CN113090564B

CN113090564B - Fan with fan body

Info

Publication number: CN113090564B
Application number: CN202110461548.6A
Authority: CN
Inventors: 李享福; 何志强; 谢佳航
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2023-11-10
Anticipated expiration: 2041-04-27
Also published as: CN113090564A

Abstract

The embodiment of the invention provides a fan. The fan includes a fan body and a base. The fan main body comprises a shell with a fan accommodating cavity and a fan assembly, the shell comprises an annular first side wall structure, an annular second side wall structure sleeved on the periphery of the first side wall structure, a connecting part connected between the first side wall structure and the second side wall structure, and an extension part arranged opposite to the connecting part, the shell also encloses an annular air duct communicated with the fan accommodating cavity and an air outlet communicated with the annular air duct, and the air outlet is an annular air outlet or comprises a plurality of sub air outlets which are arranged in an annular mode and correspond to the annular air duct; the base has a base body for supporting the fan body. The fan main body can rotate relative to the base main body, so that the air outlet direction of the fan main body is adjusted.

Description

Fan with fan body

Technical Field

The invention relates to the technical field of fans, in particular to a fan.

Background

In hot weather or environment, in order to alleviate the discomfort that high temperature, sultry, air do not circulate and bring, people can use electrical apparatus such as fan to drive the air flow usually to promote human comfort level, common fan in the market, usually vertical or sitting formula fan in some special environment, in the less environment of personal space such as office, vertical or sitting formula fan occupation space is great generally, is unsuitable for use, and other common handheld or centre gripping fans, though the volume is less, the air-out direction is fixed, can not satisfy different user demands of user, user experience is poor.

Disclosure of Invention

In view of this, it is necessary to provide a fan with a better user experience.

In one aspect, an embodiment of the present invention provides a fan, where the fan includes a fan main body and a base, the fan main body includes a housing having a fan accommodating cavity and a fan assembly located in the fan accommodating cavity, the housing includes an annular first sidewall structure, an annular second sidewall structure sleeved on a periphery of the first sidewall structure, a connection portion connected between the first sidewall structure and the second sidewall structure, and an extension portion disposed opposite to the connection portion, and the first sidewall structure, the second sidewall structure, the connection portion, and the extension portion are further configured to enclose into the fan accommodating cavity, an annular air duct communicated with the fan accommodating cavity, and an air outlet communicated with the annular air duct, where the air outlet is an annular air outlet or includes a plurality of sub air outlets arranged in an annular manner corresponding to the annular air duct; the base has a base body for supporting the fan body.

In one embodiment, the fan body is rotatable relative to the base body, so as to adjust the air outlet direction of the fan body. The base is further provided with a first gear piece arranged on the base body, the fan body is further provided with a second gear piece arranged on the shell, the first gear piece is used for being meshed with the second gear piece, the second gear piece can move along the first gear piece, and then the fan body rotates relatively to the base body, so that the air outlet direction of the fan body is adjusted.

Compared with the prior art, the fan provided by the embodiment of the invention has the advantages that the fan main body rotates relative to the base main body, so that the air outlet direction of the fan main body is adjusted, and the multi-directional air outlet cooling requirement of a user can be met.

In one embodiment, the extension portion is connected to one end of the second side wall structure away from the connection portion, one end of the extension portion away from the second side wall structure and one end of the first side wall structure away from the connection portion enclose the air outlet, and the air outlet is a slit air outlet facing to one side where the connection portion is located; the first side wall structure also encloses into hollow air outlet channel, the air outlet of air outlet is in after the air outlet channel accelerates to assemble from the side that connecting portion is located blows out. Through setting up the air outlet is the orientation the gap type air outlet of connecting portion place one side air-out, can play and carry out furthest's compression to the air-out effect, and can make annular wind channel is adjacent the air pressure of air outlet part is greater than the outside atmospheric pressure of air outlet, thereby form the negative pressure will the air-out in the annular wind channel is pressed to the air outlet, makes the air-out velocity faster, improves the air-out efficiency of fan.

In one embodiment, the first sidewall structure includes a first arc sidewall protruding toward the inner side, the second sidewall structure includes a second arc sidewall protruding toward a side away from the first sidewall structure, and a distance between the first arc sidewall and the second arc sidewall gradually increases and decreases in a direction from the extension portion to the connection portion; the outer surface of the first arc-shaped side wall far away from the second side wall structure is an arc-shaped surface protruding towards the inner side, the protruding vertex of the first arc-shaped side wall and the air outlet are provided with a preset distance, and the first arc-shaped side wall is used for guiding air of the air outlet towards one side where the connecting part is located. Through setting up first side wall structure includes towards the bellied first arc lateral wall of inboard, the second side wall structure is kept away from including the orientation the bellied second arc lateral wall of one side of first side wall structure, just first arc lateral wall with distance between the second arc lateral wall is followed connecting portion extremely the direction of extension increases gradually and reduces again, can be when the increase the volume in annular wind channel, plays the effect that the compression was blown out to the air-out, makes the faster blowout of air-out, and can play the effect of cooling, in addition, first arc lateral wall keeps away from the surface of second side wall structure is towards the bellied arc surface of inboard, just the protruding summit of first arc lateral wall with the air-out has preset distance, can be right the air-out of air-out plays the effect of guide, the air-out of air-out is under the inertial effect along the original direction boost pressure surface, drives the wind near the arc surface and washes down together, forms the same effect of fan's air-out efficiency improves.

In one embodiment, the housing further includes an air inlet communicated with the fan accommodating cavity, the air inlet includes a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively communicated with two ends of the annular air duct, which are oppositely arranged, the first air inlet and the second air inlet are both arranged on the second side wall structure, the housing further includes an air inlet baffle, the air inlet baffle is connected with the second side wall structure and respectively covered on the first air inlet and the second air inlet, and an air inlet gap is formed between the air inlet baffle and the second side wall structure, so that the air inlet of the fan is realized through the air inlet gap; the fan assembly comprises a first fan assembly and a second fan assembly, the fan storage cavity comprises a first fan storage cavity and a second fan storage cavity which are positioned at two ends of the annular air duct and are respectively communicated with the annular air duct, the first air inlet is communicated with the first fan storage cavity, the first fan assembly is positioned in the first fan storage cavity and corresponds to the first air inlet, the second air inlet is communicated with the second fan storage cavity, and the second fan assembly is positioned in the second fan storage cavity and corresponds to the second air inlet. Through setting up first fan subassembly the second fan subassembly respectively with first air intake the second air intake is corresponding can make the both ends of fan are independent the business turn over wind, reduce the noise when the fan uses, improve simultaneously the air-out efficiency of fan.

In one embodiment, the housing includes two first side wall structures arranged in parallel and annular, the second side wall structure is sleeved on the peripheries of the two first side wall structures, so that the two first side wall structures, the second side wall structure, the connecting portion and the extending portion are further used for enclosing the fan accommodating cavity between the two first side wall structures, the annular air duct with two central axes arranged in parallel and the two air outlets respectively communicated with the two annular air ducts, and two ends of the fan accommodating cavity are respectively communicated with the two annular air ducts; the shell also comprises an air inlet communicated with the fan accommodating cavity; the fan shaft of the fan assembly is parallel to the central axes of the two annular air channels. The fan assembly is accommodated in the fan assembly through two first side wall structures which are arranged in parallel and are annular, an annular second side wall structure which is sleeved on the periphery of the two first side wall structures, a connecting part which is connected with the first side wall structures and the second side wall structures, annular air channels which are arranged in parallel by two central axes and two air outlets which are respectively communicated with the two annular air channels are also formed by the two first side wall structures, the second side wall structures and the connecting part, the fan assembly can blow out wind through two annular wind channel and corresponding the air outlet reaches the air-out cooling, makes the more comfortable purpose of user, fan assembly parcel in inside the casing makes the fan safer when using, the noise is littleer, and whole the structure of fan is succinct more, occupation space is littleer, simultaneously, through annular wind channel with annular air outlet blows out the wind, makes the air-out of fan is more close to natural wind, and the somatosensory is more comfortable when making the user use, and user experience is better.

In one embodiment, the fan further comprises a driving member, and at least one of the first gear member and the second gear member is further used for connecting the driving member, so that the first gear member moves along the second gear member under the driving of the driving member. Through setting up the driving piece drive first gear spare with at least one in the second gear spare rotates, makes first gear spare is followed the second gear spare moves, can make the fan main part for the base rotates accessible remote controller, button etc. and control, the user of being convenient for more uses, and user experience is better.

In one embodiment, one of the first gear member and the second gear member is a main gear member, the main gear member includes a first base body and a plurality of first teeth portions around an outer edge of the first base body, the other of the first gear member and the second gear member is a sub gear member, the sub gear member includes a plurality of second teeth portions arranged along an arc direction, the second teeth portions are meshed with the first teeth portions, and the main gear member rotates to enable the plurality of first teeth portions to move along the plurality of second teeth portions. Through setting up a plurality of second tooth portion with a plurality of first tooth portion meshing, just the main gear spare rotates and makes a plurality of first tooth portion follow a plurality of second tooth portion motion, can the accurate control the main gear spare with meshing and motion between the secondary gear spare make the fan main part is in rotate more accurately on the base, user experience is better.

In one embodiment, the second sidewall structure has a mounting opening therethrough, the second gear member being the main gear member and being located in the fan receiving cavity and mounted in correspondence with the mounting opening, the second gear member being at least partially exposed from the mounting opening to engage with the first gear member; the base body forms a plurality of the second teeth. Through be equipped with the installation opening that runs through in the second lateral wall structure, just the second gear spare is the main gear spare, and be located in the fan accomodates the chamber and correspond the installation opening is installed, makes the second gear spare at least part follow the installation opening expose in order with first gear spare meshing, can be right the main gear spare is spacing fixed, makes when the main gear spare rotates a plurality of first tooth portion is along a plurality of during the second tooth portion motion is more stable, has ensured stability and the security of fan during operation.

In one embodiment, the fan main body further comprises a first magnetic part arranged on the shell, the base is a magnetic attraction base and comprises a second magnetic part arranged on the base main body, and the second magnetic part is used for attracting with the first magnetic part in magnetic force, so that the base and the fan main body can be detachably connected in a magnetic mode at various different relative positions, and the air outlet direction of the fan main body is adjusted. Through the base sets up first magnetic part can be so that the base with be equipped with second magnetic part fan main part magnetism attracts mutually, so that the base with realize having the magnetism of two kinds of different relative positions and dismantle the connection between the fan main part, thereby adjust fan main part's angle, convenience of customers adjusts according to the user demand fan main part's air-out direction satisfies the different user demand of user, and user experience is better. In addition, the magnetism can dismantle and connect still be convenient for dismantlement and the connection of base and fan main part, make the fan portable, convenience of customers uses, and user experience is better, in addition, the fan subassembly accomodate in the chamber is accomodate to the fan, makes the fan is safer when using, and the noise is littleer, and whole the structure of fan is succinct more, occupation space is littleer.

In one embodiment, the second side wall structure has a first outer surface located on the outer side, the base body has a second outer surface corresponding to the first outer surface, one of the first outer surface and the second outer surface includes an arc-shaped convex surface, the other of the first outer surface and the second outer surface is an arc-shaped concave surface adapted to the arc-shaped convex surface, the arc-shaped convex surface and the arc-shaped concave surface are magnetically attracted to the second magnetic member through the first magnetic member, the first gear member is disposed adjacent to the second outer surface, the second gear member is disposed adjacent to the first outer surface, the first gear member is movable along the second gear member, the base body and the fan body are relatively rotated, thereby adjusting the air outlet direction of the fan body, and the arc-shaped convex surface is rotatable in the arc-shaped concave surface, thereby rotating the fan body relative to the base, thereby adjusting the air outlet direction of the fan body. Through first surface with one of the second external surface includes the arc protruding surface, first surface with another of the second external surface be with the arc recessed surface of arc protruding surface adaptation, the arc protruding surface with arc recessed surface passes through first magnetic part with second magnetic part is inhaled magnetically and is connected, first gear spare can be followed second gear spare motion makes magnetic connection between the fan main part with the base is more firm simultaneously, the arc protruding surface can be in the arc recessed surface motion, thereby makes the fan main part for the base motion, thereby adjusts the angle of fan main part, adopts the arc surface can make rotation between the two can be more smooth and easy, stable, and the noise is little, easy operation.

In one embodiment, the base body includes a first supporting part for supporting the fan body, a first fixing part connected to one end of the first supporting part, and a second fixing part connected to one end of the first supporting part away from the first fixing part, the first and second fixing parts being for abutting against both sides of a first external object to fix the fan on the first external object; and/or one end of the first fixing portion far from the first supporting portion and one end of the second fixing portion far from the first supporting portion are further used for being supported on a second external object, so that the second fixing portion can support a third external object; and/or, the base further comprises a third magnetic piece, wherein the third magnetic piece is used for fixing the base to a magnetic external object in an adsorption mode. Through setting up first fixed part with the second fixed part can make the base pass through first fixed part with the butt of second fixed part is in the both sides of first external object in order will be fixed by the support main part on the first external object, such as computer, tablet etc. be convenient for the user use when using such as computer, tablet etc. first external object, simultaneously, first fixed part keep away from the one end of first supporting part with the one end that the second fixed part kept away from first supporting part still is used for supporting on the second external object, such as desktop etc. so that the second fixed part can support third external object, such as cell-phone, tablet etc. in addition, the base still includes third magnetic part, can make the base direct absorption on the magnetic external object through third magnetic part, thereby will be fixed by the support main part on the magnetic external object, has enlarged the application range of base, the user experience is better.

In one embodiment, the second fixing portion is rotatably connected to an end of the first supporting portion away from the first fixing portion, and the second fixing portion is convertible between a folded state and a supporting state; the first supporting part comprises a supporting main body, a first connecting part connected between one end of the supporting main body and the first fixing part, and a second connecting part connected between the other end of the supporting main body and the second fixing part, the first fixing part comprises a clamping hook, and when the second connecting part is in the folded state, the clamping hook and one end of the second fixing part far away from the first supporting part are clamped and fixed; the base main body further comprises a third connecting portion and a fourth connecting portion, the third connecting portion and the fourth connecting portion are oppositely arranged and are connected between the first connecting portion and the second connecting portion, the third connecting portion and the fourth connecting portion are further connected with the first supporting portion respectively, and the first supporting portion and the first to fourth connecting portions enclose a base storage cavity. Through setting up the second fixed part with the first supporting part is kept away from the one end rotation of first fixed part is connected, can make the fan when using will the second fixed part changes to the supporting state and is used for supporting by the support main part to when not using the base changes back to folding state and is convenient for accomodate. Through set up the trip in first fixed part, can be in when the second connecting portion is in the folded condition, the trip with the second fixed part is kept away from the one end block of first supporting part is fixed, makes the fan is when accomodating first fixed part with the second fixed part is accomodate steadily. Through first supporting part first to fourth connecting portion enclose into the base and accomodate the chamber can make first fixed part with the second fixed part accomodate completely in when folding state in the base accomodates the chamber, make the overall structure of base is succinct more, and occupation space is littleer, is convenient for accomodate and carries.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a fan according to a first embodiment of the present invention.

Fig. 2 is a perspective view of the fan of fig. 1 at another angle.

Fig. 3 is an exploded perspective view of the fan of fig. 1.

Fig. 4 is a cross-sectional view of the fan shown in fig. 1.

Fig. 5 is another angular cross-sectional view of the fan shown in fig. 1.

Fig. 6 is a schematic view of a partially assembled structure of the fan shown in fig. 1.

Fig. 7 is a perspective view of a fan according to a second embodiment of the present invention.

Fig. 8 is a perspective view of the fan of fig. 7 at another angle.

Fig. 9 is an exploded perspective view of the fan of fig. 7.

Fig. 10 is a cross-sectional view of the fan shown in fig. 7.

Fig. 11 is another angular cross-sectional view of the fan shown in fig. 7.

Fig. 12 is a schematic view of a partially assembled structure of the fan shown in fig. 7.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present invention and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present invention will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.

Referring to fig. 1-12, a fan 1 according to an embodiment of the present invention is provided. The fan 1 includes a fan main body 10 and a base 40. The base 40 is used for supporting and fixing the fan body 10, and may fix (support or clamp) the fan 1 on an external object (such as a table top, or clamp on an external object).

Specifically, the fan main body 10 includes a housing 20 having a fan housing cavity 20a and a fan assembly 30 located in the fan housing cavity 20a, the housing 20 includes an annular first sidewall structure 21, an annular second sidewall structure 22 sleeved on the periphery of the first sidewall structure 21, a connection portion 23 connected between the first sidewall structure 21 and the second sidewall structure 22, and an extension portion 24 disposed opposite to the connection portion 23, and the first sidewall structure 21, the second sidewall structure 22, the connection portion 23, and the extension portion 24 are further configured to enclose the fan housing cavity 20a, an annular air duct 25 communicating with the fan housing cavity 20a, and an air outlet 27 communicating with the annular air duct 25, where the air outlet 27 is an annular air outlet or includes a plurality of sub-air outlets arranged in an annular manner corresponding to the annular air duct 25; the base 40 has a base body 41 for supporting the fan body 10, wherein the base 40 further includes a first gear member 61 disposed on the base body 41, the fan body 10 further includes a second gear member 62 disposed on the housing 20, and the first gear member 61 is engaged with the second gear member 62, so that the first gear member 61 can move along the second gear member 62, and the base body 41 and the fan body 10 rotate relatively, thereby adjusting the air outlet direction of the fan body 10.

Compared with the prior art, in the fan 1 provided by the embodiment of the invention, the first gear piece 61 and the second gear piece 62 enable the second gear piece 62 to move along the first gear piece 61, so that the fan main body 10 rotates compared with the base main body 41, and the air outlet direction of the fan main body 10 is adjusted, so that the multi-directional air outlet cooling requirement of a user can be met.

The fan 1 may further include a circuit board 50, and the circuit board 50 may be electrically connected to the fan assembly 30 and a control switch (not shown) that may be provided on the housing 20.

The extending portion 24 is connected to an end of the second side wall structure 22 away from the connecting portion 23, the end of the extending portion 24 away from the second side wall structure 22 and an end of the first side wall structure 21 away from the connecting portion 23 enclose the air outlet 27, and the air outlet 27 is a slit air outlet 27 facing to an air outlet on a side of the connecting portion 23; the first side wall structure 21 further encloses a hollow air outlet channel 21a, and the air outlet of the air outlet 27 blows out from the side where the connecting portion 23 is located after the air outlet channel 21a is accelerated and converged. By setting the air outlet 27 as a slit air outlet 27 facing the air outlet on the side where the connecting portion 23 is located, the air outlet can be compressed to the greatest extent, and the air pressure of the part, adjacent to the air outlet 27, of the annular air duct 25 is greater than the air pressure outside the air outlet 27, so that negative pressure is formed to press the air outlet in the annular air duct 25 to the air outlet 27, the air outlet speed is faster, and the air outlet efficiency of the fan 1 is improved.

The first sidewall structure 21 includes a first arc sidewall 211 protruding toward the inside, the second sidewall structure 22 includes a second arc sidewall 221 protruding toward a side away from the first sidewall structure 21, and a distance between the first arc sidewall 211 and the second arc sidewall 221 gradually increases and decreases in a direction from the connection portion 23 to the extension portion 24; the outer surface of the first arc-shaped side wall 211 away from the second side wall structure 221 is an arc-shaped surface protruding towards the inner side, and the protruding vertex of the first arc-shaped side wall 211 has a preset distance from the air outlet 27, and the first arc-shaped side wall 211 is used for guiding the air of the air outlet 27 towards the side where the connecting portion 23 is located. Through setting up first side wall structure 21 includes towards the bellied first arc lateral wall 211 of inboard, second side wall structure 22 is kept away from towards the bellied second arc lateral wall 221 of one side of first side wall structure 21, just first arc lateral wall 221 with distance between the second arc lateral wall 222 is followed connecting portion 23 extremely the direction of extension 24 increases gradually and reduces again, can be when the increase annular duct 25's volume, can play the effect of compression acceleration blowout to the air-out, makes the air-out of air-out 27 blows out faster, and can play the effect of cooling, in addition, first arc lateral wall 211 is kept away from the surface of second side wall structure 22 is towards the bellied arc surface of inboard, just the protruding summit of first arc lateral wall 211 with air-out 27 has the distance of predetermineeing, can be right the effect that the air-out of air-out 27 plays the guide, after compressing and discharging, under the inertial effect along the direction down arc surface, drive the wind-out near the surface together forms the fan's that the fan of fan that the waterfall forms under the side, the boost efficiency is the same.

The housing 20 further includes an air inlet 26 in communication with the fan receiving cavity 20 a.

In another embodiment, as shown in fig. 1-6, the housing 20 includes two first side wall structures 21 that are disposed in parallel and are annular, the second side wall structure 22 is sleeved on the peripheries of the two first side wall structures 21, so that the two first side wall structures 21, the second side wall structure 22, the connecting portion 23, and the extending portion 24 are further configured to enclose the fan housing cavity 20a between the two first side wall structures 21, the annular air duct 25 with two central axes disposed in parallel, and the two air outlets 27 that are respectively communicated with the two annular air ducts 25, and two ends of the fan housing cavity 20a are respectively communicated with the two annular air ducts 25; the fan axis of the fan assembly 30 is parallel to the central axes of the two annular air ducts 25. Through two side by side and annular first side wall structure 21, cover locate two first side wall structure 21 outlying annular second side wall structure 22, connect in first side wall structure 21 with the connecting portion 23 of second side wall structure 22 enclose into fan 1's casing 20 and will fan assembly 30 holds wherein, and two first side wall structure 21 second side wall structure 22 with connecting portion 23 still enclose into two axis side by side annular wind channel 25 and two with two air outlets 27 that communicate respectively of annular wind channel 25, fan assembly 30 can blow out the wind through two annular wind channel 25 and corresponding air outlet 27, reaches the air-out cooling, makes the purpose that the user is more comfortable, fan assembly 30 parcel in inside casing 20 makes fan 1 safer when using, and the noise is less, and whole fan 1's structure is succinct more, occupation space is less, simultaneously, through annular wind channel 25 and annular air outlet 27 will wind the body is more comfortable when making fan 1's the air outlet feel more natural, and more comfortable when using the user experience.

In one embodiment, as shown in fig. 7-12, the air inlet 26 includes a first air inlet 261 and a second air inlet 262, the first air inlet 261 and the second air inlet 262 are respectively communicated with two opposite ends of the annular air duct 25, the first air inlet 261 and the second air inlet 262 are both disposed on the second side wall structure 22, the housing 20 further includes an air inlet baffle 28, the air inlet baffle 28 is connected with the second side wall structure 22 and respectively covers the first air inlet 261 and the second air inlet 262, and an air inlet gap 281 is further formed between the air inlet baffle 28 and the second side wall structure 22, so that the air inlet of the fan 1 is realized by the air inlet gap 281 through the first air inlet 261 and the second air inlet 262; the fan assembly 30 includes a first fan assembly 31 and a second fan assembly 32, the fan housing cavity 20a includes a first fan housing cavity 20b and a second fan housing cavity 20c located at two ends of the annular air duct 25 and respectively communicated with the annular air duct 25, the first air inlet 261 is communicated with the first fan housing cavity 20b, the first fan assembly 31 is located in the first fan housing cavity 20b and corresponds to the first air inlet 261, the second air inlet 262 is communicated with the second fan housing cavity 20c, and the second fan assembly 32 is located in the second fan housing cavity 20c and corresponds to the second air inlet 262. By arranging the first fan assembly 31 and the second fan assembly 32 corresponding to the first air inlet 261 and the second air inlet 262 respectively, the two ends of the fan 1 can independently enter and exit air, so that the air-out strength and efficiency of the fan 1 are improved.

Further, the fan 1 further comprises a driving member 63, and at least one of the first gear member 61 and the second gear member 62 is further configured to connect the driving member 63, such that the first gear member 61 moves along the second gear member 62 under the driving of the driving member 63. By arranging the driving member 63 to drive at least one of the first gear member 61 and the second gear member 62 to rotate, the first gear member 61 moves along the second gear member 62, so that the rotation of the fan main body 10 relative to the base 40 can be controlled by a remote controller, a key, etc., which is more convenient for users to use and better in user experience. The driving member 63 may be a motor.

One of the first gear member 61 and the second gear member 62 is a main gear member 64, the main gear member 64 includes a first base 641 and a plurality of first teeth 642 circumferentially disposed around the outer edge of the first base 641, the other of the first gear member 61 and the second gear member 62 is a sub gear member 65, the sub gear member 65 includes a plurality of second teeth 651 aligned in an arc direction, the second teeth 651 are engaged with the first teeth 642, and the main gear member 64 rotates such that the plurality of first teeth 642 move along the plurality of second teeth 651. By providing a plurality of second teeth 651 meshed with a plurality of first teeth 642, and rotating the main gear member 64 such that a plurality of first teeth 642 move along a plurality of second teeth 651, the meshing and movement between the main gear member 64 and the sub gear member 65 can be precisely controlled, so that the fan body 10 rotates on the base 40 more precisely, and the user experience is better.

In this embodiment, the second side wall structure 22 has a mounting opening 22a therethrough, the second gear member 62 is the main gear member 64, which is connected to the driving member 63 and is located in the fan housing cavity 20a and is mounted corresponding to the mounting opening 22a, and the second gear member 62 is at least partially exposed from the mounting opening 22a to be engaged with the first gear member 61; the base body 41 forms a plurality of the second teeth 651. Through the second side wall structure 22 is provided with the through installation opening 22a, and the second gear member 62 is the main gear member 64, and is located in the fan accommodating cavity 20a and is installed corresponding to the installation opening 22a, so that the second gear member 62 is at least partially exposed from the installation opening 22a to be meshed with the first gear member 61, and the main gear member 64 can be limited and fixed, so that when the main gear member 64 rotates, the plurality of first tooth portions 642 are more stable when moving along the plurality of second tooth portions 651, and stability and safety of the fan 1 during working are ensured.

Further, the fan main body 10 further includes a first magnetic member 71 disposed on the housing 20, the base 40 is a magnetic base and includes a second magnetic member 72 disposed on the base main body 41, and the second magnetic member 72 is configured to magnetically attract the first magnetic member 71, so that a plurality of different magnetic detachable connections between the base 40 and the fan main body 10 are realized, thereby adjusting the air outlet direction of the fan main body 10. Through setting up base 40 first magnetic part 71 can be so that base 40 with be equipped with second magnetic part 72 fan main part 10 magnetism is inhaled mutually, so that base 40 with realize having the magnetism of two kinds of different relative positions and dismantle the connection between the fan main part 10, thereby adjust fan main part 10's angle, convenience of customers adjusts according to the user demand fan main part 10's air-out direction satisfies the different user demand of user, and user experience is better. In addition, the detachable connection of magnetism is also convenient for the dismantlement and the connection of base 40 and fan main part 10, makes fan 1 portable, and convenience of customers uses, and user experience is better.

Wherein the first magnetic member 71 may be positioned inside the base body 41. The second magnetic member 72 may be disposed inside the fan housing chamber 20a and inside the second sidewall structure 22. The first magnetic member 71 and the second magnetic member 72 may be permanent magnets, or one of the first magnetic member 71 and the second magnetic member 72 may be a permanent magnet, the other one may be a soft magnet, the permanent magnet may be a magnet capable of retaining relatively high remanence in an open state for a long period of time, such as a natural magnet (magnetite), an artificial magnet (alnico), or the like, the soft magnet may be a magnet made of a material such as iron, and the like, the magnetism may not be permanently retained, such as a ferrosilicon alloy (silicon steel sheet), the permanent magnet and the soft magnet are both common magnetic materials, the production and processing technology is also mature, and the production cost of manufacturing the first magnetic member 71 and the second magnetic member 72 by adopting the permanent magnet or the soft magnet is low, and the method is suitable for mass production.

The second sidewall structure 22 has a first outer surface 223 located at an outer side, the base body 41 has a second outer surface 411 corresponding to the first outer surface 223, one of the first outer surface 223 and the second outer surface 411 includes an arc-shaped convex surface, and the other of the first outer surface 223 and the second outer surface 411 is an arc-shaped concave surface adapted to the arc-shaped convex surface. In this embodiment, the first outer surface 223 includes the arc-shaped convex surface 224, and the second outer surface 411 includes the arc-shaped concave surface 412 is mainly described as an example. The arc-shaped convex surface 224 is magnetically connected with the arc-shaped concave surface 412 through the first magnetic member 71 and the second magnetic member 72, the first gear member 61 is disposed adjacent to the second outer surface 411, the second gear member 62 is disposed adjacent to the first outer surface 223, the first gear member 61 can move along the second gear member 62, the base body 41 and the fan body 10 are rotated relatively, so as to adjust the air outlet direction of the fan body 10, and the arc-shaped convex surface 224 can rotate in the arc-shaped concave surface 412, so that the fan body 10 rotates relative to the base 40, so as to adjust the air outlet direction of the fan body 10. By including an arc-shaped protrusion surface on one of the first outer surface 223 and the second outer surface 411, the other of the first outer surface 223 and the second outer surface 411 is an arc-shaped recess surface adapted to the arc-shaped protrusion surface, the arc-shaped protrusion surface 224 and the arc-shaped recess surface 412 are magnetically connected to the second magnetic member 72 through the first magnetic member 71, the first gear member 61 can move along the second gear member 62, so that the magnetic connection between the fan body 10 and the base 40 is firmer, and at the same time, the arc-shaped protrusion surface 224 can move in the arc-shaped recess surface 412, so that the fan body 10 moves relative to the base 40, thereby adjusting the angle of the fan body 10, and the arc-shaped surface can enable the two to rotate more smoothly and stably, and has less noise and easy operation.

Specifically, the base body 41 includes a first supporting portion 42 for supporting the fan body 10, a first fixing portion 43 connected to one end of the first supporting portion 42, and a second fixing portion 44 connected to one end of the first supporting portion 42 remote from the first fixing portion 43. The first fixing portion 43 and the second fixing portion 44 are used for abutting against two sides of a first external object (such as a computer display screen, a headboard, a table board, or a push rod of a trolley) to fix the fan 1 on the first external object. Further, an end of the first fixing portion 43 away from the first supporting portion 42 and an end of the second fixing portion 44 away from the first supporting portion 42 are further used for being supported on a second external object (such as a desktop), so that the second fixing portion 44 can support a third external object (such as a mobile phone, a tablet, etc.). In addition, the base 40 further includes a third magnetic member for attracting and fixing the base 40 to a magnetic external object. It will be appreciated that by providing the first supporting portion 42, the first fixing portion 43, the second fixing portion 44, the third magnetic member, etc., the base 40 may be fixed on a first external object, such as a computer display screen, a headboard, a table board, or a push rod of a cart, and supported on a second external object, such as a table top, etc., so that the second fixing portion may support a third external object, such as an electronic device, such as a mobile phone, a tablet, etc., and in addition, the base 40 further includes a third magnetic member, through which the base 40 may be directly adsorbed on the magnetic external object, thereby fixing the supported body on the magnetic external object, expanding a use range of the base 40, and improving a user experience.

Further, the second fixing portion 44 is rotatably connected to an end of the first supporting portion 42 away from the first fixing portion 43, and the second fixing portion 44 is convertible between a folded state and a supporting state; the first supporting portion 42 includes a supporting body 421, a first connecting portion 422 connected between one end of the supporting body 421 and the first fixing portion 43, and a second connecting portion 423 connected between the other end of the supporting body 421 and the second fixing portion 44, the first fixing portion 43 includes a hook 431, and when the second connecting portion 423 is in the folded state, the hook 431 and one end of the second fixing portion 44 away from the first supporting portion 42 are engaged and fixed; the base body 41 further includes a third connecting portion 424 and a fourth connecting portion 425, the third connecting portion 424 and the fourth connecting portion 425 are disposed opposite to each other and are connected between the first connecting portion 422 and the second connecting portion 423, the third connecting portion 424 and the fourth connecting portion 425 are further connected with the first supporting portion 42, and the first supporting portion 42 and the first to fourth connecting portions 422-425 enclose a base accommodating cavity 40a. By providing the second fixing portion 44 rotatably connected to the end of the first supporting portion 42 away from the first fixing portion 43, the fan 1 can be rotated to the supporting state of the second fixing portion 44 for supporting the fan body 10 when in use, and rotated back to the folded state for easy storage when the base 40 is not in use. Through set up the trip 431 in first fixed part 43, can be in when second connecting portion 423 is in the folded condition, trip 431 with the one end block of first supporting part 42 is kept away from to second fixed part 44 is fixed, makes fan 1 is when accomodating first fixed part 43 with second fixed part 44 is accomodate steadily, makes the overall structure of base 40 is succinct more, and occupation space is less, and the convenient storage carries.

Further, the second fixing portion 44 is further provided with a first hanging portion 44a, and the first hanging portion 44a is used to hang the base body 41 on a fourth external object. It will be appreciated that the base 40 may be suspended on the fourth external object by the first suspension portion 44a, such as a wall surface, and may be provided with suspension nails or the like, so that the base 40 may be suspended on the fourth external object by the first suspension portion 44a, and the base main body 41 may be suspended on the fourth external object by the first suspension portion 44a, thereby expanding the application range of the base 40 and improving the user experience.

Specifically, the base 40 further includes an adhesive plate 45, the adhesive plate 45 includes a second hanging portion 451 corresponding to the first hanging portion 44a, the adhesive plate 45 is configured to be fixed on the fourth external object, the second hanging portion 451 is located at a side of the adhesive plate 45 away from the fourth external object, and the second hanging portion 451 is configured to be connected and fixed with the first hanging portion 44a, so that the base body 41 is fixed on the fourth external object through the adhesive plate 45. It will be appreciated that the use of the adhesive plate 45 allows the base 40 to be nailless mounted to the fourth external object in need of hanging mounting. By arranging the adhesive plate 45, the second hanging portion 451 and the first hanging portion 44a may be connected and fixed, so that the base body 41 is fixed on the fourth external object by the adhesive plate 45, so that the hanging and the picking of the supported body on the base 40 are facilitated, and the user experience is better.

Further, the first hanging portion 44a includes a hanging hole, and the second hanging portion 451 includes a projection mountable in the hanging hole. Through setting up first suspension portion 44a is the suspension hole, second suspension portion 451 for can install in the lug in the suspension hole can make the suspension of base 40 is fixed and is taken the operation more easily, and the user can be accomplished by one hand the base 40 with the suspension connection and the dismantlement of fourth external object, user experience is better.

Further, the second fixing portion 44 is rotatably connected to an end of the first supporting portion 42 away from the first fixing portion 43, and the second fixing portion 44 is switchable between a folded state and a supporting state. By providing the second fixing portion 44 and rotatably connecting one end of the first supporting portion 42 away from the first fixing portion 43, the base 40 can rotate the second fixing portion 44 to a supporting state for supporting the supported body when in use, and to a folded state for easy storage when the supported body is not in use.

The fan disclosed in the embodiments of the present invention has been described in detail, and specific examples are applied to illustrate the principles and embodiments of the present invention, and the description of the above embodiments is only for helping to understand the fan and core ideas of the present invention; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the idea of the present invention, the present disclosure should not be construed as limiting the present invention in summary.

Claims

1. A fan, the fan comprising:

the fan main body comprises a shell with a fan accommodating cavity and a fan assembly positioned in the fan accommodating cavity, wherein the shell comprises an annular first side wall structure, an annular second side wall structure sleeved on the periphery of the first side wall structure, a connecting part connected between the first side wall structure and the second side wall structure, and an extending part arranged opposite to the connecting part, the first side wall structure, the second side wall structure, the connecting part and the extending part are also used for enclosing the fan accommodating cavity, an annular air duct communicated with the fan accommodating cavity and an air outlet communicated with the annular air duct, and the air outlet is an annular air outlet;

the base is provided with a base main body for supporting the fan main body, and the fan main body can rotate relative to the base main body so as to adjust the air outlet direction of the fan main body;

the extension part is connected with one end of the second side wall structure, which is far away from the connecting part, the air outlet is formed by enclosing one end of the extension part, which is far away from the second side wall structure, and one end of the first side wall structure, which is far away from the connecting part, and the air outlet is a gap type air outlet which is used for exhausting air towards one side where the connecting part is located; the first side wall structure also encloses a hollow air outlet channel, and the air outlet of the air outlet blows out from one side where the connecting part is located after accelerating convergence of the air outlet channel;

The first side wall structure comprises a first arc-shaped side wall protruding towards the inner side, the second side wall structure comprises a second arc-shaped side wall protruding towards one side away from the first side wall structure, and the distance between the first arc-shaped side wall and the second arc-shaped side wall gradually increases and then decreases along the direction from the extension part to the connecting part; the outer surface of the first arc-shaped side wall far away from the second side wall structure is an arc-shaped surface protruding towards the inner side, the protruding vertex of the first arc-shaped side wall has a preset distance from the air outlet, the first arc-shaped side wall is used for guiding the air of the air outlet towards the side where the connecting part is located,

the shell comprises two first side wall structures which are arranged in parallel and are annular, the second side wall structures are sleeved on the peripheries of the two first side wall structures, the second side wall structures, the connecting part and the extending part are also used for enclosing a fan accommodating cavity between the two first side wall structures, two annular air channels with two central axes arranged in parallel and two air outlets which are respectively communicated with the two annular air channels, and two ends of the fan accommodating cavity are respectively communicated with the two annular air channels; the shell also comprises an air inlet communicated with the fan accommodating cavity; the fan shaft of the fan assembly is parallel to the central axes of the two annular air channels,

The cross section of first lateral wall structure perpendicular to the axis of annular wind channel is along predetermineeing the first bar that the straight line direction extends, one second lateral wall structure with accomodate the chamber, another second lateral wall structure is followed predetermineeing the straight line direction and arranging in proper order, makes the second lateral wall structure perpendicular to the cross section of the axis of annular wind channel is along predetermineeing the second bar that the straight line direction extends, the base connect in the second lateral wall structure with accomodate the part that the chamber position corresponds, the base still including set up in the first gear spare of base main part, the fan main part still including set up in the second gear spare of casing, first gear spare be used for with the second gear spare meshing, make the second gear spare can be followed first gear spare motion, and then the fan main part is compared the base main part rotates, thereby adjusts the play wind direction of fan main part.

2. The fan of claim 1 further comprising a drive member, at least one of the first gear member and the second gear member further being adapted to couple the drive member such that the first gear member moves along the second gear member upon actuation of the drive member.

3. The fan of claim 1, wherein one of the first gear member and the second gear member is a main gear member, the main gear member includes a first base and a plurality of first teeth circumferentially disposed on an outer edge of the first base, the other of the first gear member and the second gear member is a sub gear member, the sub gear member includes a plurality of second teeth aligned in an arc direction, the second teeth are engaged with the first teeth, and the main gear member rotates such that the plurality of first teeth move along the plurality of second teeth.

4. The fan of claim 3 wherein said second sidewall structure has a mounting opening therethrough, said second gear member being said main gear member and being located in said fan receiving cavity and mounted in correspondence of said mounting opening, said second gear member being at least partially exposed from said mounting opening for engagement with said first gear member; the base body forms a plurality of the second teeth.

5. The fan of claim 1, wherein the base body includes a first supporting portion for supporting the fan body, a first fixing portion connected to one end of the first supporting portion, a second fixing portion connected to one end of the first supporting portion remote from the first fixing portion,

The first fixing part and the second fixing part are used for abutting against two sides of a first external object to fix the fan on the first external object; and/or one end of the first fixing portion far from the first supporting portion and one end of the second fixing portion far from the first supporting portion are further used for being supported on a second external object, so that the second fixing portion can support a third external object; and/or, the base further comprises a third magnetic piece, wherein the third magnetic piece is used for fixing the base to a magnetic external object in an adsorption mode.

6. The fan of claim 5, wherein the second fixing portion is rotatably connected to an end of the first supporting portion remote from the first fixing portion, and the second fixing portion is convertible between a folded state and a supporting state; the first supporting part comprises a supporting main body, a first connecting part connected between one end of the supporting main body and the first fixing part, and a second connecting part connected between the other end of the supporting main body and the second fixing part, the first fixing part comprises a clamping hook, and when the second connecting part is in the folded state, the clamping hook and one end of the second fixing part far away from the first supporting part are clamped and fixed; the base main body further comprises a third connecting portion and a fourth connecting portion, the third connecting portion and the fourth connecting portion are oppositely arranged and are connected between the first connecting portion and the second connecting portion, the third connecting portion and the fourth connecting portion are further connected with the first supporting portion respectively, and the first supporting portion and the first to fourth connecting portions enclose a base storage cavity.

7. A fan, the fan comprising:

the shell comprises an annular first side wall structure, and the second side wall structure is sleeved on the periphery of the first side wall structure, so that the first side wall structure, the second side wall structure, the connecting part and the extending part are also used for enclosing the fan containing cavity positioned on two sides of the first side wall structure;

the shell also comprises an air inlet communicated with the fan accommodating cavity, the air inlet comprises a first air inlet and a second air inlet, the first air inlet and the second air inlet are respectively communicated with two ends of the annular air duct, which are oppositely arranged, the first air inlet and the second air inlet are respectively arranged on the second side wall structure, the shell also comprises an air inlet baffle, the air inlet baffle is connected with the second side wall structure and is respectively covered on the first air inlet and the second air inlet, an air inlet gap is formed between the air inlet baffle and the second side wall structure, so that the first air inlet and the second air inlet can realize air inlet of the fan through the air inlet gap;

The fan assembly comprises a first fan assembly and a second fan assembly, the fan accommodating cavity comprises a first fan accommodating cavity and a second fan accommodating cavity which are positioned at two ends of the annular air duct and are respectively communicated with the annular air duct, the first air inlet is communicated with the first fan accommodating cavity, the second air inlet is communicated with the second fan accommodating cavity,

the first fan assembly is positioned in the first fan accommodating cavity and corresponds to the first air inlet, the second air inlet is communicated with the second fan accommodating cavity, the second fan assembly is positioned in the second fan accommodating cavity and corresponds to the second air inlet,

the cross section of the first side wall structure perpendicular to the central axis of the annular air duct is a first bar shape extending along a preset straight line direction, and the cross section of the second side wall structure perpendicular to the central axis of the annular air duct is a second bar shape extending along the preset straight line direction.

8. The fan of claim 7, wherein the base further comprises a first gear member disposed on the base body, the fan body further comprises a second gear member disposed on the housing, the first gear member is configured to mesh with the second gear member, such that the second gear member is movable along the first gear member, and the fan body rotates relative to the base body, thereby adjusting an air outlet direction of the fan body.

9. The fan of claim 8 further comprising a drive member, at least one of said first gear member and said second gear member further being adapted to couple said drive member such that said first gear member moves along said second gear member upon actuation of said drive member.

10. The fan of claim 8, wherein one of the first gear member and the second gear member is a main gear member, the main gear member includes a first base and a plurality of first teeth circumferentially disposed on an outer edge of the first base, the other of the first gear member and the second gear member is a sub gear member, the sub gear member includes a plurality of second teeth aligned in an arc direction, the second teeth are engaged with the first teeth, and the main gear member rotates such that the plurality of first teeth move along the plurality of second teeth.

11. The fan of claim 10 wherein said second sidewall structure has a mounting opening therethrough, said second gear member being said main gear member and being located in said fan receiving cavity and mounted in correspondence of said mounting opening, said second gear member being at least partially exposed from said mounting opening for engagement with said first gear member; the base body forms a plurality of the second teeth.

12. The fan of claim 7 or 8, wherein the fan body further comprises a first magnetic member disposed on the housing, the base is a magnetically attractive base and comprises a second magnetic member disposed on the base body, the second magnetic member being magnetically attractive to the first magnetic member to enable a magnetically detachable connection between the base and the fan body in a plurality of different relative positions.

13. The fan of claim 12, wherein the second sidewall structure has a first outer surface on an outer side, the base body has a second outer surface corresponding to the first outer surface, one of the first outer surface and the second outer surface includes an arc-shaped convex surface, the other of the first outer surface and the second outer surface is an arc-shaped concave surface adapted to the arc-shaped convex surface, the arc-shaped convex surface magnetically contacts the second magnetic member through the first magnetic member, the first gear member is disposed adjacent to the second outer surface, the second gear member is disposed adjacent to the first outer surface, the first gear member is movable along the second gear member, the base body and the fan body are relatively rotated, thereby adjusting an air outlet direction of the fan body and the arc-shaped convex surface is rotatable in the arc-shaped concave surface, such that the fan body is rotated relative to the base, thereby adjusting the air outlet direction of the fan body.

14. The fan as claimed in claim 7 or 8, wherein the base body includes a first supporting portion for supporting the fan body, a first fixing portion connected to one end of the first supporting portion, a second fixing portion connected to one end of the first supporting portion remote from the first fixing portion,

15. The fan as claimed in claim 14, wherein the second fixing portion is rotatably connected to an end of the first supporting portion remote from the first fixing portion, and the second fixing portion is convertible between a folded state and a supporting state; the first supporting part comprises a supporting main body, a first connecting part connected between one end of the supporting main body and the first fixing part, and a second connecting part connected between the other end of the supporting main body and the second fixing part, the first fixing part comprises a clamping hook, and when the second connecting part is in the folded state, the clamping hook and one end of the second fixing part far away from the first supporting part are clamped and fixed; the base main body further comprises a third connecting portion and a fourth connecting portion, the third connecting portion and the fourth connecting portion are oppositely arranged and are connected between the first connecting portion and the second connecting portion, the third connecting portion and the fourth connecting portion are further connected with the first supporting portion respectively, and the first supporting portion and the first to fourth connecting portions enclose a base storage cavity.