CN113669289A

CN113669289A - Circulating fan

Info

Publication number: CN113669289A
Application number: CN202010411664.2A
Authority: CN
Inventors: 陈小平; 唐清生
Original assignee: Yunmi Internet Technology Guangdong Co Ltd
Current assignee: Yunmi Internet Technology Guangdong Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-11-19

Abstract

The embodiment of the invention discloses a circulating fan, which comprises a machine body and a base, wherein a supporting assembly is arranged on the base, a circulating fan is arranged on the supporting assembly, and the circulating fan comprises a first rotating assembly and a second rotating assembly; the first rotating assembly comprises a first driving part, and a driving wheel is mounted at the output end of the first driving part; the second rotating assembly comprises a second supporting frame, the second supporting frame is provided with a containing groove used for installing the machine body, and the driving wheel is in transmission connection with a driven piece annularly arranged on the second supporting frame, so that the second supporting frame can rotate along the moving track of the driven piece.

Description

Circulating fan

Technical Field

The invention relates to the field of household appliances, in particular to a circulating fan.

Background

Compared with the traditional electric fan, the circulating fan can blow out the wind spirally along a certain direction, and the spiral columnar wind can be formed along with the stirring of the fan blades.

Generally, the distance of wind blown out by the circulating fan is far, the wind has better directionality, the contact surface of the wind and surrounding air is larger, the surrounding air is scattered, more air is driven to participate in indoor air circulation, indoor air circulation is accelerated, and therefore indoor temperature is balanced.

At present, the existing circulating fan only has a left-right swinging function and cannot swing up and down, so that the up-down air supply angle cannot be adjusted and changed according to the living requirements, the requirement of a user on the adjustment of the up-down air supply angle of the circulating fan cannot be met, and the existing circulating fan has an improved space.

Disclosure of Invention

The invention provides a circulating fan which can be used for adjusting the air supply angle of the circulating fan according to the rotating angle between a first rotating assembly and a second rotating assembly, so that the requirement of a user on the air supply angle of the circulating fan can be met.

A circulation fan comprising:

the first rotating assembly comprises a first driving part, and a driving wheel is mounted at the output end of the first driving part;

the second rotating assembly comprises a second supporting frame, the second supporting frame is provided with a containing groove used for installing the machine body, and the driving wheel is in transmission connection with a driven piece annularly arranged on the second supporting frame, so that the second supporting frame can rotate along the moving track of the driven piece.

In the circulation fan, the driven part comprises a rack arranged in the second support frame, the driving wheel is provided with a first tooth part, and the first tooth part is in transmission connection with the rack.

In the circulation fan, the second support frame is of an arc-shaped structure, the first rotating assembly comprises a first support frame with a notch, and the second support frame is movably arranged in the notch.

In the circulation fan of the present invention, the second support frame includes a first member and a second member, the first member is provided with a track groove, the rack is installed in the track groove, and the second member covers an opening of the track groove.

In the circulating fan, a gap is formed between the second part and the first part, and the output end of the first driving piece penetrates through the gap and is in transmission connection with the rack.

In the circulation fan of the present invention, the first rotating assembly includes a fixing bracket, and the first driving member is mounted on the first support bracket through the fixing bracket and is located in the notch.

In the circulation fan of the present invention, the fixing frame includes a first mounting surface, a second mounting surface, and a connecting surface connected to the first mounting surface and the second mounting surface, the first driving member is mounted on the first mounting surface, and the second mounting surface is fixed to the first support frame.

In the circulating fan, the upper end of the machine body is provided with a rotating shaft, the rotating shaft is rotatably connected with the upper end of the second support frame, and the lower end of the machine body is connected with a second driving piece arranged at the lower end of the second support frame.

In the circulation fan, the upper end of the second support frame is provided with a mounting hole, a first bearing is mounted in the mounting hole, and the rotating shaft is connected with the first bearing.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs an actuating mechanism, simple structure can also be according to actuating mechanism last second rotating assembly's turned angle for adjust the air supply angle of circulation fan, thereby satisfy the demand of user to circulation fan air supply angle.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a circulation fan according to the present invention;

FIG. 2 is an exploded schematic view of the circulation fan of FIG. 1;

FIG. 3 is an exploded view of the support assembly of FIG. 1;

FIG. 4 is a schematic view of the base of FIG. 1;

fig. 5 is a partial structural view of the circulation fan in fig. 1;

FIG. 6 is a schematic structural view of the drive mechanism of FIG. 1;

FIG. 7 is an exploded view of the second rotating assembly of FIG. 1;

FIG. 8 is a partially exploded view of the second rotating assembly of FIG. 1;

FIG. 9 is an exploded schematic view of the first rotation assembly of FIG. 1;

FIG. 10 is an exploded view of the housing of FIG. 1;

FIG. 11 is a schematic view of the front mesh enclosure of FIG. 1;

FIG. 12 is a schematic view of the air duct of FIG. 1;

FIG. 13 is an exploded view of the rear housing retaining plate of FIG. 1;

FIG. 14 is a schematic structural view of the rear mesh enclosure of FIG. 1;

fig. 15 is a partial configuration view of the circulation fan in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on the orientation or positional relationship illustrated in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 15, the present application provides a circulation fan, which includes a body 10, a support assembly 30 and a base 20, wherein the support assembly 30 is disposed on the base 20, and the body 10 is connected to an end of the support assembly 30 away from the base 20. In the present embodiment, the body 10 includes a fan blade 13, a front shell 11, a rear shell 12, and a fan motor 14 for driving the fan blade 14 to rotate, wherein the front shell 11 and the rear shell 12 are joined to form an accommodating space, and the fan blade 13 is disposed in the accommodating space.

In an alternative embodiment, the supporting member 30 is provided with a connecting portion 32, and the base 20 is provided with a frame portion 21, wherein the frame portion 21 is rotatably connected to the connecting portion 32, so that the base 20 has a folded state and an unfolded state relative to the supporting member 30.

Specifically, the support assembly 30 includes a support column 31, a connecting portion 32 is disposed at a lower end of the support column 31, and the base 20 is rotatably mounted on the connecting portion 32 through the bracket portion 21. When the circulating fan is placed, a user can rotate the bracket part 21 to enable the base 20 to be in an unfolded state relative to the supporting column 31, namely the supporting column 31 is perpendicular to the base 20, so that the machine body 10 can be placed on the placing table more stably; when needs remove or carry circulation fan, the user can make base 20 be fold condition relative to support column 31 through reverse direction rotation support portion 21, and base 20 is the parallel state with support column 31 promptly to reduce the required space of circulation fan removal or handling in-process, can reduce the material resources of transport again simultaneously, in addition, also be convenient for deposit of circulation fan.

In an alternative embodiment, the connecting portion 32 is provided with a rotating shaft 321, the bracket portion 21 is provided with a rotating shaft hole 211, and the position of the rotating shaft 321 corresponds to the position of the rotating shaft hole 211, so that the base 20 can be mounted on the connecting portion 32 through the connection of the rotating shaft hole 211 and the rotating shaft 321, thereby realizing the rotating connection between the base 20 and the supporting column 31.

It should be noted that the connecting portion 32 may further be provided with a rotating shaft hole, and the bracket portion 21 may be provided with a rotating shaft matching with the rotating shaft hole; or all can set up the pivot hole simultaneously on connecting portion 32 and the stake body portion 21, then pass the pivot hole on connecting portion 32 and the stake body portion 21 through other fasteners after, link together connecting portion 32 and stake body portion 21, this application does not put the restriction.

In an alternative embodiment, the rotating shaft 321 is connected with the locking member 33, and the bracket portion 21 is disposed between the locking member 33 and the connecting portion 32, so that the locking member 33 can mount the bracket portion 21 on the rotating shaft 321.

Specifically, a rotating shaft stud is provided on the rotating shaft 321, a rotating shaft screw hole matched with the rotating shaft stud is provided on the locking member 33, after the bracket portion 21 is mounted on the rotating shaft 321 through the rotating shaft hole 211, the locking member 33 is mounted on the rotating shaft 321 through the threaded connection between the rotating shaft screw hole and the rotating shaft stud. When a user needs to place the circulating fan on the placing surface, the user can adjust the selection angle of the base 20 relative to the supporting column 31 by adjusting the tightness of the locking piece 33 and the rotating shaft 321, so as to ensure that the base 20 and the supporting column 31 are kept in a roughly vertical state as much as possible, and thus the circulating fan can be placed on the placing surface more stably; when a user needs to move or carry the circulating fan, the user can adjust the tightness of the locking member 33 and the rotating shaft 321 to enable the base 20 to be folded relative to the supporting column 31, that is, the base 20 is substantially parallel to the supporting column 31, so that the circulating fan can be moved or carried conveniently, and even the circulating fan can be stored conveniently.

It should be noted that the base 20 is substantially perpendicular or parallel to the supporting column 31, and mainly is manually adjusted by a user without error, so that the base 20 and the supporting column 31 are perpendicular, which generally means that an included angle between the base 20 and the supporting column 31 is between 70 and 110 degrees; the base 20 is parallel to the supporting column 31, which generally means that the included angle between the base 20 and the supporting column 31 is between-20 and 20 degrees.

In an alternative embodiment, a positioning member 34 is further disposed on the supporting assembly 30, wherein the positioning member is mounted on the connecting portion 32 and used for guiding the bracket portion 21 to be connected to the connecting portion 32, so that an operator can better assemble the base 20 with the supporting column 31, and a large amount of manpower and material resources are reduced.

In an alternative embodiment, the positioning member 34 is a U-shaped structure, one end of which is mounted on the connecting portion 32, and in this embodiment, the bracket portion 21 passes through the other end of the positioning member 34 and then is connected to the connecting portion 32, so as to achieve the positioning effect.

In an alternative embodiment, the supporting member 30 further includes a decorative sleeve 35, and the decorative sleeve 35 is disposed on the connection portion 32 and the bracket portion 21 for hiding the connection portion 32 and the bracket portion 21 in the decorative sleeve 35.

Specifically, the decoration sleeve 35 is provided with a decoration sleeve inner hole with an inner diameter matched with the outer diameter of the support column 31, the decoration sleeve 35 is sleeved outside the support column 31 through the decoration sleeve inner hole, and when the relative angle between the base 20 and the support column 31 is adjusted, the decoration sleeve 35 is moved out of the connection part 32 and the support part 21; after the relative angle between the base 20 and the supporting column 31 is adjusted, when the base 20 and the supporting column 31 are in a vertical state, the decorative sleeve 35 can be moved to the joint of the connecting portion 32 and the frame portion 21, which not only can ensure the stability of the connection between the connecting portion 32 and the frame portion 21, but also can hide the connecting portion 32 and the frame portion 21 in the decorative sleeve 35.

In an alternative embodiment, a driving mechanism 40 is mounted on the support assembly 30, wherein the machine body 10 is mounted on the driving mechanism 40 through the front case 11, so that the driving mechanism 40 can adjust the rotation angle of the machine body 10 relative to the support assembly 30.

Specifically, the driving mechanism 40 includes a first rotating assembly 41 and a second rotating assembly 42, wherein the front housing 11 is rotatably mounted on the second rotating assembly 42, and the second rotating assembly 42 is rotatably mounted on the supporting assembly 30 through the first rotating assembly 41.

In this embodiment, the first rotating assembly 41 has a first rotating direction relative to the supporting assembly 30, the second rotating assembly 42 has a second rotating direction relative to the supporting assembly 30, and the plane where the first rotating direction is located is perpendicular to the plane where the second rotating direction is located, so that the rotating angle of the machine body 10 can be adjusted in all directions, the air supply angle of the circulating fan can be adjusted, and the requirement of a user on the air supply angle of the circulating fan can be met.

In an alternative embodiment, the second rotating assembly 42 includes a second driving member 421 and a second supporting frame 422 having a receiving slot, wherein the second driving member 421 is used for driving the front shell 11 to rotate the machine body 10 in the receiving slot. In the present embodiment, the second support frame 422 is drivingly connected to the first rotating assembly 41.

It should be noted that the second supporting frame 422 may have any shape, and may also have a bent curved structure, wherein the accommodating groove may be formed by bending the second supporting frame 422, or the accommodating groove may also be formed by a concave cavity formed on the inner side of the second supporting frame 422, and the size of the concave cavity matches the size of the machine body 10, so that the machine body 10 can smoothly rotate in the accommodating groove.

After the technical scheme is adopted, the machine body 10 can be rotatably arranged in the accommodating groove on the second supporting frame 422, so that the second driving piece 421 can drive the machine body 10 to rotate relative to the supporting assembly 30 conveniently to adjust the air supply angle of the circulating fan, and the requirement of a user on the air supply angle of the circulating fan can be further met; but also the structure of the whole circulating fan is more compact.

In an alternative embodiment, the first rotating assembly 41 includes a first driving member 411, and the first driving member 411 is fixed on the supporting assembly 30, in this embodiment, an output end of the first driving member 411 is in transmission connection with a driven member on the second supporting frame 422, and is used for driving the second supporting frame 422 to move along a moving track of the driven member, so that a user's requirement on a blowing angle of the circulating fan can be met from another rotation angle direction.

Specifically, install action wheel 4112 on the output of first driving piece 411, be equipped with the follower on the second support frame 422, the follower encircles in the outside of holding tank, and action wheel 4112 is connected with the follower transmission of ring setting on second support frame 422 to make second support frame 422 can rotate along the removal orbit of follower.

In an alternative embodiment, the driven member includes a rack 4223 disposed in the second support frame 422, wherein the driving wheel 4112 is provided with a first tooth portion 4112, and the first tooth portion 4112 is in transmission connection with the rack 4223. When the first driving element 411 works, the first driving element 411 drives the driving wheel 4112 to rotate, so that the driving wheel 4112 can drive the second supporting frame 422 to move along the moving track of the rack 4223 through the rack 4223, and the air supply angle of the circulating fan can be adjusted.

In an alternative embodiment, the second supporting frame 422 is an arc-shaped structure, the first rotating assembly 41 further includes a first supporting frame 412 having a notch 4121, the first supporting frame 412 is mounted on the supporting column 31, the second supporting frame 422 is movably mounted in the notch 4121, and when the first driving member 411 is operated, the driving wheel 4112 drives the second supporting frame 422 to move in an arc-shaped manner along the notch 4121 through the rack 4223, which is simple and practical.

In an alternative embodiment, the upper end of the first support frame 412 has an arc-shaped end face 4122, and the diameter of the arc-shaped end face 4122 is larger than the height of the machine body 10.

In an alternative embodiment, the receiving groove is formed by an inner concave portion formed by bending the second support frame 422 into a semicircular shape, wherein the diameter of the inner concave portion is matched with the diameter of the machine body 10, and the receiving groove has a simple structure and is manufactured at a low cost.

In an alternative embodiment, the second support 422 comprises a first member 4221 and a second member 4222, wherein the first member 4221 is provided with a track groove, the rack 4223 is installed in the track groove, and the second member 4222 covers an opening of the track groove, so that the rack 4223 can be protected, external dust can be prevented from damaging the rack 4223 when the rack 4223 works, and the service life of the rack 4223 is shortened; meanwhile, the aesthetic property of the circulating fan cannot be influenced by the structure of the rack 4223.

In an alternative embodiment, a gap is provided between the second member 4222 and the first member 4221, wherein the output end of the first driving element 411 passes through the gap and is in transmission connection with the rack 4223.

Specifically, action wheel 4112 and rack 4223 all set up in the track inslot, so not only can improve the smoothness nature of action wheel 4112 and rack 4223 meshing, also can avoid outside dust granule to cause the damage to action wheel 4112 and rack 4223 simultaneously, influence action wheel 4112 and rack 4223's life.

In an alternative embodiment, the first driver 411 includes a first driver body 4111 and a fixing frame 4113, wherein the first driver body 4111 is mounted on the first support frame 412 by the fixing frame 4413 and is located in the notch 4121.

Specifically, mount 4113 includes first installation face, second installation face and connects the face of being connected on first installation face and second installation face, wherein, first driving piece body 4111 is installed at first installation face, and the second installation face is fixed on first support frame 412, can be more firm like this fix first driving piece body 4111 on first support frame 412, can ensure again that action wheel 4112 installed on first driving piece body 4111 can be connected with rack 4223 meshing simultaneously.

In an alternative embodiment, the upper end of the machine body 10 is provided with a rotating shaft 1111, wherein the rotating shaft 1111 is rotatably connected with the upper end of the second supporting frame 422, and the lower end of the machine body 10 is in transmission connection with the second driving member 421 mounted at the lower end of the second supporting frame 422, so that the second driving member 421 can drive the machine body 10 to rotate in the accommodating groove.

In an alternative embodiment, the upper end of the second support frame 422 is provided with a mounting hole, and a first bearing 4227 is mounted in the mounting hole, wherein the rotation shaft 1111 is connected with the first bearing 4227 to improve the smoothness that the machine body 10 can rotate in the receiving groove.

In an alternative embodiment, the second rotating assembly 42 further includes a second driving member fixing portion 4225, wherein the second driving member fixing portion 4225 is installed at a lower end of the second support frame 422, and the second driving member 421 is installed in the second driving member fixing portion 4225.

After the technical scheme is adopted, the second support frame 422 is bent into an arc-shaped structure through a bending process, and the end part of the second support frame 422 needs to be subjected to certain processes such as grinding or cutting to install the second driving piece 421 on the second support frame 422, so that the manufacturing process is relatively complex; in the present application, the second driving member fixing portion 4225 is installed on the second support frame 422, and then the second driving member 421 is installed on the second driving member fixing portion 4225, so that the processing cost and the manufacturing process of the second support frame 422 can be effectively reduced.

In an alternative embodiment, the second rotating assembly 42 further includes a bearing fixing portion 4224, wherein the bearing fixing portion 4224 is installed at an upper end of the second support frame 422, the first bearing 4227 is installed in the bearing fixing portion 4224, and the rotating shaft 1111 of the body 10 passes through the bearing fixing portion 4224 and then is connected to the first bearing 4227.

In an alternative embodiment, the second rotating assembly 42 further includes a bearing member mounting member 4226, the bearing member mounting member 4226 is mounted in the bearing member fixing portion 4224, the first bearing 4227 is mounted in the bearing member mounting member 4226, and the relative position between the first bearing 4227 and the rotating shaft 1111 can be ensured only by controlling the precision of the bearing member mounting member 4226 in the machining process, so that the machining cost and the manufacturing process of the second support frame 422 are effectively reduced.

In an alternative embodiment, the front shell 11 includes an air duct 111 and a front mesh enclosure 112 installed at a front end of the air duct 111, wherein the front mesh enclosure 112 has two states of being folded and unfolded, so that the front mesh enclosure 112 can be folded and folded after being separated from the air duct 111.

The front mesh enclosure 112 can be detached from the air duct 111, and the front mesh enclosure 112 can be simultaneously detached, so that the front mesh enclosure 112 is convenient to clean.

In an optional embodiment, the front mesh enclosure 112 includes a plurality of first mesh outlet plates 1121 and slider assemblies 1122 sleeved on each of the first mesh outlet plates 1121, wherein a furling assembly 1123 is connected between every two adjacent slider assemblies 112 for switching between an expanded state and a furled state of the front mesh enclosure 112.

Specifically, the sliding block assembly 112 includes a first sliding block and a second sliding block, where the first sliding block and the second sliding block are respectively disposed at positions of the first air outlet mesh plate 1121 near two ends. When the front mesh enclosure 112 is folded, the first slider and the second slider can slide on the first air outlet mesh plate 1121, so that the first air outlet mesh plate 1121 can be folded together; when the front mesh enclosure 112 is unfolded, the first slider and the second slider can also slide on the first wind outlet mesh plate 1121, so that the first wind outlet mesh plates 1121 can be arranged at intervals.

In an alternative embodiment, the closing assembly 1123 comprises a first closing member connected to two adjacent first sliding blocks and a second closing member connected to two adjacent second sliding blocks for connection limitation.

It should be noted that the first furling member and the second furling member may also be made of flexible members, and the first slider and the second slider may also be fixed on the first air outlet mesh plate 1121, and the first furling member and the second furling member are respectively connected to the first slider and the second slider; or the first slider and the second slider may also be through holes on the first wind outlet mesh plate 1121, and the first furling member and the second furling member are disposed through the through holes, so as to ensure that the front mesh enclosure 112 has an expanded state and a furled state.

In an alternative embodiment, the first outlet net plate 1121 includes two first net plates 11211 and a plurality of second net plates 11212, and the plurality of second net plates 11212 are sequentially disposed between the two first net plates 11211 at intervals. In this embodiment, the front mesh enclosure 112 is a circular structure after being unfolded, and two first mesh plates 11211 are overlapped together at the side opposite to the second mesh plate 11212.

Specifically, the thickness of the first net plate 1121 is equal to half of the thickness of the second net plate 11212, after the front net cover 112 is unfolded, because the two first net plates 11211 are overlapped, the two first net plates 11211 can be regarded as one second net plate 11212, so that the thickness of each first air outlet net plate 112 on the front net cover 112 is ensured to be consistent, and the aesthetic property of the front net cover 112 is not affected.

In an optional embodiment, the air duct 111 is provided with a number of screen mounting portions 1113 matching with the number of the first outlet screens 1121, the screen mounting portions 1113 are uniformly arranged on the inner side of the air duct 111 in a circumferential array, and the front mesh enclosure 112 is fixed on the air duct 111 by connecting the first screen 1121 with the screen mounting portions 1113.

Specifically, the net plate mounting part 1113 is a groove for arranging the air duct 111, and the width of the groove is matched with the thickness of the second net plate 11212, so that the second net plate 11212 can be embedded in the net plate mounting part 1113 conveniently, and the assembly of the front mesh enclosure 112 and the air duct 111 is completed.

In an alternative embodiment, the rear shell 12 includes a rear shell fixing plate 121 and a rear mesh enclosure 122, wherein the rear mesh enclosure 122 also has two folded and unfolded states, so that the rear mesh enclosure 122 can be folded after being separated from the rear shell fixing plate 121, and the rear mesh enclosure 122 can be cleaned conveniently.

In an alternative embodiment, the rear mesh enclosure 122 is shaped like a semi-sphere with a circular opening, wherein the circular opening of the rear mesh enclosure 122 is detachably mounted on the rear shell fixing plate 121, and one end of the rear shell fixing plate 121 far away from the rear mesh enclosure 122 is connected to the air duct 111.

In an alternative embodiment, the structure of the rear mesh enclosure 122 is similar to that of the front mesh enclosure 112, and the rear mesh enclosure 122 includes a plurality of second wind outlet plates 1221 and second slider assemblies 1222 sleeved on each of the second wind outlet plates 1221, wherein a second furling assembly 1223 is connected between every two adjacent second slider assemblies 1222 for converting the unfolded state and the furled state of the rear mesh enclosure 122.

Specifically, the second slider assembly 1222 includes a first slider and a second slider, wherein the first slider and the second slider are respectively disposed at the positions near the two ends of the second wind outlet net plate 1221. When the rear mesh enclosure 122 is folded, the first slider and the second slider can slide on the second air outlet mesh plate 1221, so that the second air outlet mesh plate 1221 can be folded together; when the rear mesh enclosure 122 is expanded, the first slider and the second slider can also slide on the second air outlet mesh plate 1221, so that the second air outlet mesh plates 1221 can be arranged at intervals.

In an alternative embodiment, the second gathering assembly 1223 includes a first gathering member and a second gathering member, wherein the first gathering member is connected to two adjacent first slides, and the second gathering member is connected to two adjacent first slides to perform a connection limiting function.

In an optional embodiment, the rear shell 12 further includes a blower housing 1212, and after the blower motor 14 is fixed to the rear shell fixing plate 121, the blower housing 1212 accommodates the blower motor 14 in the blower housing 1212 to protect the blower motor 14.

Specifically, be equipped with motor installation department 11211 on the backshell fixed plate 121, motor installation department 11211 comprises two intercrossing's strengthening rib in the backshell fixed plate 121, not only can not influence the air inlet effect of circulation fan, and the structure is also simple moreover, the shaping of being convenient for.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments, or examples, for implementing different features of the invention. The components and arrangements of the specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A circulation fan, comprising:

a body;

the fan comprises a base, a fan body and a fan cover, wherein the base is provided with a supporting assembly, the supporting assembly is provided with a circulating fan, and the circulating fan comprises a first rotating assembly and a second rotating assembly;

2. The circulation fan of claim 1, wherein the driven member comprises a rack disposed in the second support frame, and the driving wheel has a first tooth portion, and the first tooth portion is in driving connection with the rack.

3. The circulation fan as claimed in claim 2, wherein the second support bracket has an arc-shaped configuration, and the first rotating assembly includes a first support bracket having a notch in which the second support bracket is movably installed.

4. The circulation fan according to claim 2, wherein the second support frame comprises a first member and a second member, the first member is provided with a track groove, the rack is installed in the track groove, and the second member covers an opening of the track groove.

5. The circulation fan as claimed in claim 4, wherein a gap is provided between the second member and the first member, and the output end of the first driving member is connected to the rack gear after passing through the gap.

6. The circulation fan of claim 3, wherein the first rotation assembly includes a mount by which the first driving member is mounted on the first support bracket in the notch.

7. The circulation fan as claimed in claim 6, wherein the fixing frame includes a first mounting surface, a second mounting surface, and a connecting surface connected to the first mounting surface and the second mounting surface, the first driving member is mounted on the first mounting surface, and the second mounting surface is fixed to the first support frame.

8. The circulation fan as claimed in claim 3, wherein a rotation shaft is provided at an upper end of the body, the rotation shaft is rotatably connected to an upper end of the second support frame, and a lower end of the body is connected to a second driving member mounted at a lower end of the second support frame.

9. The circulation fan according to claim 8, wherein a mounting hole is formed at an upper end of the second support frame, a first bearing is installed in the mounting hole, and the rotation shaft is connected to the first bearing.

10. The circulation fan as claimed in claim 1, wherein the body includes a fan blade, a front housing, a rear housing, and a fan motor for driving the fan blade to rotate, the front housing is coupled to the rear housing to form an accommodating space, and the fan blade is disposed in the accommodating space.