CN113669283A

CN113669283A - Circulating fan

Info

Publication number: CN113669283A
Application number: CN202010411635.6A
Authority: CN
Inventors: 陈小平; 唐清生; 陈伟健
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 the machine body comprises fan blades, a front shell, a rear shell and a fan motor for driving the fan blades to rotate; be equipped with supporting component on the base, the last open shell of accomodating that is provided with of supporting component, it is fixed relatively for the bracing piece subassembly to accomodate the shell, install actuating mechanism in the accomodating shell, actuating mechanism turns to the second runner assembly of direction with the second including the first runner assembly that has first direction of turning to.

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 adjust the air supply angle of the circulating fan according to the needs of users and meets the requirements of the users on the air supply angle of the circulating fan.

The present invention provides a circulation fan, comprising:

the fan comprises a machine body and a fan body, wherein the machine body comprises fan blades, a front shell, a rear shell and a fan motor for driving the fan blades to rotate;

the base is equipped with supporting component, the last open shell of accomodating that is provided with of supporting component, it is fixed relatively for the bracing piece subassembly to accomodate the shell, install actuating mechanism in the accomodating shell, actuating mechanism turns to the second runner assembly of direction with the second including the first runner assembly that has first direction of turning to.

In the circulation fan of the present invention, the first rotating assembly includes a first movable frame and a first fixed frame, the first fixed frame is fixed to the housing, and the first movable frame is rotatably connected to the first fixed frame.

In the circulation fan, the second rotating assembly comprises a second fixed frame and a second movable frame, the second fixed frame is used for mounting the fan motor, the second fixed frame is rotatably mounted on the first movable frame, and the second movable frame is rotatably mounted on the first fixed frame.

In the circulation fan, the rear shell comprises a rear mesh enclosure, a rear shell containing cavity is formed in the rear mesh enclosure, and the first movable frame, the first fixed frame, the second fixed frame and the second movable frame are all arranged in the rear shell containing cavity.

In the circulation fan of the present invention, the first movable frame and the first fixed frame form a U-shaped structure.

In the circulation fan, the rear housing receiving cavity is a groove formed by recessing the rear housing to the accommodating space, and the width of the rear housing receiving cavity is greater than that of the first rotating assembly.

In the circulation fan, the first rotating assembly is further provided with a first driving piece and a first transmission piece, and the first driving piece is mounted on the first movable frame and used for driving the first transmission piece to drive the second fixed frame and the second movable frame to rotate.

In the circulation fan, the first movable frame and the first fixed frame are both in an L-shaped structure, and the first driving piece is arranged between the horizontal end of the first movable frame and the horizontal end of the first fixed frame.

In the circulation fan, the second rotating assembly further includes a second driving member and a second transmission member, and the second driving member is mounted on the second movable frame and is used for driving the second transmission member to drive the second fixed frame to rotate relative to the second movable frame.

In the circulation fan, the second transmission part comprises a driving gear and a driven gear in transmission connection with the driving gear, the driving gear is installed on the output end of the second driving part, and the driven gear is fixed on the second fixing frame.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: this application has designed a circulation fan because actuating mechanism includes first runner assembly and second runner assembly to alright carry out the rotation direction of organism through first runner assembly and second runner assembly and adjust, thereby satisfied the demand that the user was 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 a schematic cross-sectional view of the circulation fan of FIG. 1;

FIG. 3 is an exploded schematic view of the circulation fan of FIG. 1;

FIG. 4 is a cross-sectional schematic view of the chuck assembly of FIG. 1;

FIG. 5 is a schematic view of the chuck assembly of FIG. 1;

fig. 6 is a partial structural schematic view of the circulation fan in fig. 1;

FIG. 7 is a partially exploded schematic view of the circulation fan of FIG. 1;

FIG. 8 is a partially exploded schematic view of the circulation fan of FIG. 1;

FIG. 9 is a partially exploded schematic view of the circulation fan of FIG. 1;

FIG. 10 is an exploded schematic view of the drive mechanism of FIG. 1;

FIG. 11 is an exploded schematic view of the first rotation assembly of FIG. 1;

FIG. 12 is an exploded view of the first transmission member of FIG. 1;

FIG. 13 is an exploded view of the second rotating assembly of FIG. 1;

FIG. 14 is a partially exploded view of the second rotating assembly of FIG. 1;

FIG. 15 is an exploded schematic view of the second transmission member of FIG. 1;

FIG. 16 is a schematic structural view of the second fixing frame in FIG. 1;

FIG. 17 is an exploded view of the housing of FIG. 1;

FIG. 18 is an exploded schematic view of the rear housing of FIG. 1;

FIG. 19 is a schematic structural view of the rear housing of FIG. 1;

FIG. 20 is a schematic view of the fan blade shown in FIG. 1;

FIG. 21 is a schematic view of the fan blade of FIG. 1;

FIG. 22 is an exploded schematic view of the front housing of FIG. 1;

FIG. 23 is a schematic view of the front mesh enclosure of FIG. 1;

FIG. 24 is an exploded schematic view of the base of FIG. 1;

fig. 25 is a schematic structural view of the receiving case 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 application, 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 are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered as limiting the present application. 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 application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be 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 25, the present application provides a circulation fan, which includes a machine body 10 and a base 20, wherein a support assembly 30 is disposed on the base 20, and the machine body 10 is mounted at an end of the support assembly 30 away from the base 20. In this embodiment, the body 10 includes a fan blade 11, a front casing 12, a rear casing 13 and a fan motor 14 for driving the fan blade 11 to rotate, the front casing 12 and the rear casing 12 are joined to form an accommodating space, the fan blade 11 is disposed in the accommodating space, which not only can protect the fan blade 11 and prevent the fan blade 11 from hurting a user when rotating, but also can ensure that the fan motor 14 can drive the fan blade 11 to rotate and supply air to a room or a person, thereby dissipating heat or reducing the room temperature.

In an alternative embodiment, the end of the base 20 facing away from the support assembly 30 is provided with a securing structure comprising a suction cup assembly for securing the circulation fan to a resting surface. Wherein, the placing surface can be the smooth and clean object surface such as subaerial ceramic tile, and the sucking disc subassembly can adopt silicon rubber, PVC material, nitrile rubber, polyurethane or contain vinyl polymer etc. have certain rigidity and have certain pliability plasticity material to make, after adopting above technical scheme, can make the base 20 of circulation fan pass through the sucking disc subassembly and fix on the placing surface.

Specifically, the suction cup assembly comprises a suction cup 21 arranged in a hollow conical cavity and an exhaust valve 22 arranged on the suction cup, and after the suction cup 21 is abutted against a placing surface, the suction cup 21 is pressed to the base 20 through the supporting assembly 30, so that air in the hollow conical cavity of the suction cup 21 is exhausted through the exhaust valve 22; the supporting assembly 30 is released, so that the sucker 21 automatically resets, and the sucker 21 generates negative pressure in the hollow conical cavity of the sucker 21 in the self-resetting process, so that the sucker 21 can be adsorbed on the placing surface, and the circulating fan can be stably placed on the placing surface.

It should be noted that the suction cup 21 can be pressed on the placing surface by the gravity of the circulating fan, and meanwhile, the air in the hollow conical cavity can be extracted by the exhaust valve 22 in other manners, so that negative pressure is generated in the hollow conical cavity of the suction cup 21 in the self-resetting process of the suction cup 21, thereby ensuring that the circulating fan can be stably placed on the placing surface; while the underlying surface may also include a roughened object surface, this application is not intended to be limiting.

In an alternative embodiment, the suction cup 21 is provided with a suction cup air cavity 211 and a suction cup flow channel 212 communicated with the suction cup air cavity, wherein the exhaust valve 22 is disposed on the suction cup flow channel 212, so that the air in the hollow conical cavity of the suction cup 21 can be exhausted to the outside of the suction cup 21 through the suction cup flow channel 212 after passing through the suction cup air cavity 211, and the exhaust valve 22 is used for exhausting the air in the suction cup flow channel 212 and preventing the external air from entering the suction cup flow channel 212.

Specifically, the base 20 is provided with a base cavity 23 and an exhaust hole 231, the suction cup 21 is installed on the base cavity 23, and the suction cup flow channel 212 is connected with the exhaust hole 231. In the present embodiment, the suction cup 21 and the base cavity 23 are both rectangular, the exhaust hole 231 is disposed on the sidewall of the base cavity 23, after the suction cup 21 is installed in the base cavity 23, the suction cup channel 212 may be fixed on the exhaust hole 231, and the suction cup channel 212 may also pass through the exhaust hole 231 and be flush with the outer side surface of the exhaust hole 231, and so on.

In an alternative embodiment, the discharge valve 22 may include an elastic member (not shown) for abutting the flow blocking member on a side of the suction cup flow passage 212 facing the suction cup air chamber 211, and a flow blocking member (not shown).

Specifically, the suction cup flow channel 212 is provided with an exhaust valve mounting part (not shown in the figure), the diameter of the exhaust valve mounting part is larger than that of the suction cup flow channel 212, wherein one side of the exhaust valve mounting part facing the suction cup air cavity 211 is conical, the flow blocking part can be a steel ball and the like, and the elastic part can be a spring and the like; the spring is used for on the toper department of choke piece butt exhaust valve installation department to can open the choke piece on the exhaust valve installation department during making sucking disc air cavity 211 exhaust, thereby make gas to discharge through sucking disc runner 212, the choke piece resets under the elasticity effect of elastic component after the gas in sucking disc air cavity 211 is exhausted, keeps apart sucking disc runner 212 and outside intercommunication.

In an alternative embodiment, the exhaust valve 22 may include a valve body (not shown) and a valve (not shown) mounted on the valve body, wherein the valve is provided with a fan (not shown) capable of opening in one direction, so that the gas in the suction cup air chamber 211 can be exhausted through the valve.

Specifically, the number of the fan members may be one, and the number of the fan members may also be two, so that when the gas in the suction cup air chamber 211 is exhausted through the suction cup flow passage 212, the fan members are automatically opened, and after the gas in the suction cup flow passage 212 is exhausted, the fan members are automatically closed. The closing of the fan is realized by the elastic force of the elastic piece, the opening of the fan can be realized by the pressure of gas, and other driving mechanisms can be used for realizing the opening of the fan, so that the application is not limited.

In an alternative embodiment, the exhaust valve 22 may include a rubber plug disposed on the suction cup flow channel 212, the rubber plug is used for isolating the suction cup air chamber 211 from communicating with the outside, and when the air in the suction cup air chamber 211 is exhausted through the suction cup flow channel 212, the rubber plug is opened to communicate the suction cup flow channel 212 with the outside; after the suction cup flow path 212 is exhausted, the rubber stopper is installed on the suction cup flow path 212 to prevent external air from entering the suction cup air chamber 211.

In an alternative embodiment, the suction cup 21 includes a suction cup body and a soft rubber ring (not shown) disposed on the suction cup body, wherein a connection column (not shown) protruding outwards is disposed at the center of one side of the suction cup body facing away from the soft rubber ring, and the connection column is connected to the base 20.

Specifically, be provided with the soft rubber groove of round (not shown in the figure) around the sucking disc body, the soft rubber circle passes through glue or other modes bonding in the soft rubber groove to make soft rubber circle fill and level up soft rubber groove and have the part to extend soft rubber groove, when the sucking disc body pressed the object on the surface, especially coarse object surface, the soft rubber circle can warp, makes the sucking disc hug closely on the object surface, avoids remaining the air and influence the vacuum of sucking disc between sucking disc and object surface.

In an optional embodiment, the sucking disc body is provided with a circle of inner deformation grooves which are sunken into the sucking disc body along the inner edge of the soft rubber ring, so that the sucking disc body forms a boss towards the direction of the connecting column, and the sucking disc body is ensured to have stronger deformation capacity.

In an alternative embodiment, a driving mechanism 40 is mounted on the supporting assembly 30, and the machine body 10 is mounted on the supporting assembly 30 through the driving mechanism 40, wherein the driving mechanism 40 includes a first rotating assembly 41 and a second rotating assembly 42 rotatably mounted on the first rotating assembly 41. In the present embodiment, the first rotating assembly 41 has a first turning direction, and the second rotating assembly 42 has a second turning direction, and the first turning direction and the second turning direction are perpendicular to each other, so that the air blowing angle requirement of the circulating fan for the user can be satisfied.

If the first turning direction is the transverse turning direction of the circulating fan, the second turning direction is the longitudinal turning direction of the circulating fan; if the first turning direction is the longitudinal turning direction of the circulation fan, the second turning direction is the transverse turning direction of the circulation fan, and the present application is not limited thereto.

Specifically, the first rotating assembly 41 includes a first movable frame 411 and a first fixed frame 412, and the first fixed frame 412 is rotatably connected to the first movable frame 411; the second rotating assembly 42 includes a second fixed frame 421 and a second movable frame 422, and the second fixed frame 421 is rotatably connected to the second movable frame 422. In this embodiment, the fan motor 14 is mounted on the second fixed frame 421, the second fixed frame 421 is rotatably mounted on the first movable frame 411, the second movable frame 422 is rotatably mounted on the first fixed frame 412, and the first fixed frame 412 is fixed on the supporting assembly 30. After the above technical solution is adopted, when the circulation fan works, the up-down angle of the machine body 10 can be adjusted through the relative relationship between the second fixed frame 421 and the second movable frame 422 and the first movable frame 411 and the first fixed frame 412; the adjustment of the left and right angles of the body 10 can be performed through the relative relationship between the second fixed frame 421 and the first movable frame 411, the second movable frame 422 and the first fixed frame 412, so that the air supply angle of the circulating fan can be adjusted at multiple angles, and the structure is reasonable and the function is strong.

In an optional implementation manner, the first movable frame 411 and the first fixed frame 412 are both L-shaped structures, wherein the horizontal end of the first movable frame 411 and the horizontal end of the first fixed frame 412 are rotatably connected and form a U shape, the second fixed frame 421 is rotatably installed at the vertical end of the first movable frame 411, the second movable frame 422 is rotatably installed at the vertical end of the first fixed frame 412, and not only is the structural design reasonable, but also the whole circulating fan is more compact, and the air supply angle of the circulating fan can be adjusted according to the needs of users through different rotating directions of the first rotating assembly 41 and the second rotating assembly 42, so that the requirements of the users on the air supply angle of the circulating fan are met.

The opening direction of the U-shape may be directed upward of the circulation fan, or the opening direction of the U-shape may be directed to the side of the circulation fan, and the present invention is not limited thereto.

Specifically, the first movable frame 411 and the first fixed frame 412 can be formed through a bending process, so that the manufacturing cost of the first movable frame 411 and the first fixed frame 412 can be effectively controlled, the hardness of the first movable frame 411 and the first fixed frame 412 is guaranteed, and the service life of the first rotating assembly 41 is prolonged.

It should be noted that the first movable frame 411 and the first fixed frame 412 may also be in other curved structures, such as an arc-shaped structure, where one end of the first movable frame 411 is rotatably connected to one end of the first fixed frame 412, and two ends of the machine body 10 are respectively connected to the other ends of the first movable frame 411 and the first fixed frame 412. It should be noted that the first movable frame 411 and the first fixed frame 412 may also be in other curved structures, such as an arc-shaped structure, where one end of the first movable frame 411 is rotatably connected to one end of the first fixed frame 412, and two ends of the machine body 10 are respectively connected to the other ends of the first movable frame 411 and the first fixed frame 412. In an alternative embodiment, the second fixed frame 421 includes a first mounting surface 4212, a second mounting surface 4213 and a third mounting surface 4211, wherein the first mounting surface 4212 is rotatably connected with the first movable frame 411, the second mounting surface 4213 is rotatably connected with the second movable frame 422, and the third mounting surface 4211 is used for mounting the machine body 10, and has a simple structure and a reasonable design.

Specifically, a first mounting surface 4212 and a second mounting surface 4213 are respectively arranged on two adjacent sides of a third mounting surface 4211, the second movable frame 422 is in an L-shaped structure, a horizontal end of the second movable frame 422 is rotatably connected with the second mounting surface 4213, a vertical end of the second movable frame 422 is rotatably connected with the first fixed frame 412, so that the machine body 10 on the third mounting surface 4211 can rotate left and right through the relationship between the second mounting surface 4213 and the second movable frame 422 and the relationship between the first movable frame 411 and the first fixed frame 412, the machine body 10 can rotate up and down through the relationship between the first mounting surface 4212 and the first movable frame 411 and the relationship between the second movable frame 422 and the first fixed frame 412, and thus, a user can adjust the air supply angle of the circulating fan as required, and the requirement of the user on the air supply angle of the circulating fan can be met.

It should be noted that the second movable frame 422 may also have other curved structures, such as an arc-shaped structure, and the application is not limited thereto.

After the technical scheme is adopted, the first mounting surface 4212 and the second mounting surface 4213 are formed by bending the two adjacent sides of the third mounting surface 4211, so that the second fixing frame 421 can have enough strong hardness to support the weight of the machine body 10; meanwhile, the second movable frame 422 can be formed through a bending process, so that the manufacturing cost of the second rotating assembly 42 can be reduced, the structural design is relatively reasonable, and the practicability is high.

In an alternative embodiment, the first rotating assembly 41 further includes a first bearing 416, and the first bearing 416 is disposed between the first movable frame 411 and the first fixed frame 412, so that the first movable frame 411 can be rotatably mounted on the first fixed frame 412.

Specifically, the first bearing 416 is a bearing seat, and the first fixing frame 412 is provided with a bearing seat fixing portion (not shown) and a first fixing frame fixing portion (not shown), which is disposed outside the bearing seat fixing portion. In the present embodiment, the first bearing 416 is mounted on the bearing seat fixing portion by screws, and the first fixing frame 412 is fixed on the support assembly 30 by the first fixing frame fixing portion, so that the structure is simple and the design is reasonable.

In an alternative embodiment, a fixed frame bearing 417 is disposed at a vertical end of the first movable frame 411, a movable frame bearing 426 is disposed at a vertical end of the second movable frame 421, the second fixed frame 421 is connected to the first movable frame 411 through the fixed frame bearing 417, and the second movable frame 422 is connected to the first fixed frame 412 through the movable frame bearing 426, which not only has a simple structure, but also ensures the smoothness of rotation between the second fixed frame 421 and the first movable frame 411 and between the second movable frame 422 and the first fixed frame 412.

In an alternative embodiment, the first rotating assembly 41 further comprises a first driving member 413, wherein the first driving member 413 is mounted on the first movable frame 411 for driving the second rotating assembly 42 to rotate relative to the first movable frame 411.

It should be noted that the first driving element 413 may be installed at a vertical end of the first movable frame 411, the first driving element 413 may also be installed at a horizontal end of the first movable frame 411, the first driving element 413 may be directly connected to the second rotating assembly 42, and the first driving element 413 may also be connected to the second rotating assembly 42 through other transmission assemblies.

In an alternative embodiment, the first rotating assembly 41 further includes a first transmission member 414, and the first transmission member 4141 includes a first driving wheel 4142 and a first driven wheel 4143, wherein the first driven wheel 4143 is in transmission connection with the first driving wheel 4142. In this embodiment, the first driving member 413 includes a first motor, the first driving wheel 4142 is mounted on an output shaft of the first motor, and the first driven wheel 4143 is mounted on the second rotating assembly 42. Therefore, the up-and-down rotation of the machine body 10 can be controlled by the first driving piece 413, and long-distance transmission can be performed, so that the first driving piece 413 can be installed at any position of the first movable frame 411, namely, the structure of the circulating fan is reasonably designed, and the compactness of the circulating fan is ensured.

In an alternative embodiment, the first transmission member 414 includes a first rack 4141, and the first driving wheel 4142 is drivingly connected to the first driven wheel 4143 through the first rack 4141.

Specifically, both ends of the first rack 4141 are provided with a first tooth portion 4141a and a second tooth portion 4141b, respectively, and the first driver 4142 is provided with a driver tooth portion 4142 a. When the first driving member 413 works, the first driving member 413 can drive the first driving wheel 4142 to rotate and drive the first rack to move through the meshing connection between the driving wheel tooth portion 4142a and the first tooth portion 4141a, and the first rack drives the first driven wheel 4143 to rotate through the meshing connection between the second tooth portion 4141b and the first driven wheel 4143, so that the second rotating assembly 42 can rotate relative to the first rotating assembly 41.

In an alternative embodiment, the first tooth portion 4141a is oriented perpendicular to the second tooth portion 4141b, e.g., the first tooth portion 4141a is oriented to the right of the circulating fan and the second tooth portion 4141b is oriented to the upper end of the circulating fan. In the present embodiment, the first rack is a two-degree bent structure, and the first tooth portion 4141a and the second tooth portion 4141b are respectively disposed at two ends of the first rack, so that the first driving member 413 can drive the second rotating assembly 42 to rotate for a long distance, and simultaneously, the horizontal rotating direction of the first driving wheel 4142 is converted into the vertical rotating direction of the first driven wheel 4143.

In an alternative embodiment, the first rotating assembly 41 further includes a guide holder 415 disposed on the first movable frame 411, the first rack is provided with a sliding member 41411, and the first rack 4141 is slidably mounted on the guide holder 415 through a guide sliding rail 41411.

Specifically, the guide holder 415 is provided with a guide groove 4151, and the shape of the guide groove 4151 matches with the shape of the guide groove, so that the first rack 4141 can be movably installed in the guide groove 4151 through the guide slide rail 41411.

In an alternative embodiment, the guide holder 415 may be integrally formed with the first movable frame 411, and the guide holder 415 may be separately formed from the first movable frame 411. In this embodiment, the guide seat 415 may be formed separately from the first movable frame 411, a fixed frame mounting groove 4111 is formed in the first movable frame 411, the first driving member 413 is mounted in the fixed frame mounting groove 4111, and then the guide seat 415 is mounted at the upper end of the first driving member 413.

Specifically, the guide seat 415 is provided with an open driving member installation groove (not shown), and the first driving member 413 is installed in the driving member installation groove. In the present embodiment, the first rack 4141 is mounted on the outer side of the upper end surface of the driver mounting groove, the guide holder rotating shaft is provided on the outer side of the lower end surface of the driver mounting groove, the guide holder 415 is rotatably mounted in the first bearing 416 by the guide holder rotating shaft, and the horizontal ends of the first driver 413 and the first movable frame 411 are both fitted in the driver mounting groove.

In an alternative embodiment, the first transmission member 414 includes a first belt, wherein the first driving wheel 4142 and the first driven wheel 4143 are both belt pulleys, i.e., the first driving wheel 4142 is in transmission connection with the first driven wheel 4143 through the first belt, which is simple in structure and practical.

In an alternative embodiment, the first transmission member 414 may further include a rod structure (not shown), wherein one end of the rod structure is connected to the output end of the first driving member 413, and the other end of the rod structure is in transmission connection with the machine body 10, which is simple and practical.

Specifically, the rod structure includes a first rod (not shown in the figure) and a first rack (not shown in the figure), a cam structure (not shown in the figure) is disposed on the first driving member 413, and the first rod is mounted on the cam structure and is used for driving the first rack to drive the machine body 10 to perform a swinging motion.

The first driving component 413 may be a driving motor, a pump body, or a power element such as gas, and the purpose of the first driving component is to drive the machine body 10 to swing through the first transmission component 414, which is not limited in the present application. In this embodiment, the first driving member 413 is a driving motor, and the driving motor drives the first rod to move along the track groove on the circulating fan through a cam structure, so as to drive a first rack connected to the first rod to move linearly, where the first rack is used to drive a gear on the machine body 10 to rotate, so that the machine body 10 can rotate along with the rotation of the gear.

In an alternative embodiment, the first rod is provided with a sliding slot (not shown), wherein the first rack is slidably mounted in the sliding slot, and the toothed portion of the first rack is engaged with the gear on the machine body 10, so that the machine body 10 can rotate along with the rotation of the gear.

In addition, the rod structure may further include a first rod (not shown), a second rod (not shown), and a third rod (not shown), wherein one end of the first rod is connected to the output end of the first driving member, the other end of the first rod is in transmission connection with one end of the third rod through the second rod, and the other end of the third rod is in transmission connection with the machine body 10, so that the first driving member 413 can drive the machine body 10 to rotate through the rod structure.

Specifically, the first rod and the third rod are both provided with a sliding groove (not shown in the figure), one end of the second rod is slidably mounted in the sliding groove of the first rod, and the other end of the second rod is slidably mounted in the sliding groove of the third rod.

When the first driving member 413 works, the first driving member 413 drives the first rod to do linear motion on the circulating fan, and the first rod drives the second rod to do linear motion through the sliding slot on the first rod, so that the second rod can slide through the sliding slot on the third rod, and the machine body 10 is driven to do swinging motion through the third rod.

In an alternative embodiment, the rod structure further comprises a sleeve (not shown in the figures) through which the second rod is moved in a straight line on the circulation fan.

Specifically, the second rod is disposed between the first rod and the third rod, and the sliding direction of the second rod is perpendicular to the sliding direction of the first rod, so that the first rod can drive the third rod to slide or swing through the second rod, and the machine body 10 can be driven to swing.

In an alternative embodiment, the third rod is rotatably mounted on the circulating fan through a pivot at an end close to the machine body 10, and when the second rod slides in the sliding slot of the third rod, the third rod rotates around the pivot, so as to drive the machine body 10 on the third rod to perform a swinging motion.

In an alternative embodiment, the second rotating assembly 42 further includes a second driving member 423, and the second driving member 423 is mounted on the second movable frame 422 for driving the second fixed frame 421 to rotate relative to the second movable frame 422.

In an alternative embodiment, the second rotating assembly 42 further includes a second transmission member 424, and the second driving member 423 is in transmission connection with the second fixed frame 421 through the second transmission member 424, and is used for driving the second fixed frame 421 to rotate relative to the second movable frame 422.

In an alternative embodiment, the second movable frame 421 is provided with an open driving member fixing groove 4221 at a horizontal end thereof, wherein the second driving member 423 is installed in the driving member fixing groove 4221.

Specifically, the second rotating assembly 42 further includes a supporting seat 425 disposed on the second movable frame 422, and the supporting seat 425 is mounted on the upper end of the second driving member 423. In this embodiment, the second driving element 423 is a driving motor, the shape and size of the driving element fixing groove 4221 are matched with those of the second driving element 423, and after the second driving element 423 is fixed to the driving element fixing groove 4221, the supporting seat 425 is installed at the upper end of the second driving element 423, so that the fixing flange of the second driving element 423 is clamped between the supporting seat 425 and the second movable frame 422, and the fixing stability of the second driving element 423 is improved.

The supporting base 425 is provided with a rotating shaft portion 4251, and the second fixing frame 421 is rotatably mounted on the rotating shaft portion 4251 through a second transmission member 424, so that the second driving member 423 can drive the second fixing frame 421 to rotate relative to the second movable frame 422 through the second transmission member 424.

In an alternative embodiment, second transmission member 424 includes a drive gear 4241 and a driven gear 4242, and driven gear 4242 is in driving connection with drive gear 4241. In the present embodiment, a drive gear 4241 is attached to the output end of the second driver 423, and a driven gear 4242 is fixed to the second fixing frame 421.

Specifically, a rotating shaft hole 4242a is formed in a side of the driven gear 4242, which faces away from the second fixing frame 421, so that the driven gear 4242 can be rotatably mounted on the rotating shaft portion 4251 through the rotating shaft hole 4242a, and the structure is simple and practical.

After adopting above technical scheme, actuating mechanism 40's first direction of turning can be realized and the second direction of turning can be realized through second driving piece 423 through first driving piece 413 to the user can adjust the air supply angle of circulation fan pair through mutually supporting of first driving piece 413 and second driving piece 423. In addition, the first driving member 413 and the second driving member 423 are independent of each other, that is, the angular rotation speed of each direction of the circulating fan is controlled, the area of the air supply angle of the circulating fan can be accurately adjusted, and the angle control function and the speed controllability of the angular rotation are good.

In an alternative embodiment, the first driven wheel 4143 has a driven gear mounting shaft, and the first driven wheel 4143 is connected to the fixed frame bearing 417 through the driven gear mounting shaft, so as to ensure smooth rotation between the first driven wheel 4143 and the first movable frame 411.

In an alternative embodiment, the front shell 12 includes an air duct 122 and a front mesh enclosure 121, wherein the front mesh enclosure 121 is disposed at a front end of the air duct 122, and in this embodiment, a distance from a center of the fan blade 11 to the front mesh enclosure 121 of the air duct 122 is at least 15mm to 35mm, so as to ensure that the air duct 122 has an optimal air guiding effect. It can be appreciated that too short a length of the air duct does not provide a wind guiding function, and that too long a length of the air duct increases the weight of the front housing 12, wastes material, and increases manufacturing costs.

After the technical scheme is adopted, because this application restricts the length of guide duct 122, not only can ensure the wind-guiding effect of guide duct 122, make the wind of circulation fan blow from the center of flabellum 11 and can assemble to the in-process of preceding screen panel 121, reduce the area of blowing, the wind speed also accelerates thereupon, thereby improved the air supply distance of circulation fan, then can be more even blow to the user through preceding screen panel 121 again, more have the comfort.

In an alternative embodiment, the distance from the center of the fan blade 11 to the front mesh enclosure 121 of the air duct 122 is 35mm, and since there is a certain error in the forming process of the air duct 122, the distance from the center of the fan blade 11 to the front mesh enclosure 121 of the air duct 122 may be any value between 30mm and 40mm, so as to ensure that the air duct 122 has an optimal air guiding effect.

In an optional embodiment, a radial gap between the air duct 122 and the fan blade 11 is 2-10mm, so as to avoid interference between the air duct 122 and the fan blade 11, and to ensure that the wind generated by the fan blade 11 can flow from the radial gap between the air duct 122 and the fan blade 11 to the front mesh enclosure 121 along the guiding direction of the air duct 122.

In an alternative embodiment, the first outlet air screen plate is formed by a plurality of grid bars according to a preset rotation angle, and the thickness of each grid bar is 4-15 mm.

In an alternative embodiment, the thickness of the grid bars is 1-4 mm.

In an alternative embodiment, the gap between each grid bar is 4-8 mm.

In an alternative embodiment, the front mesh enclosure 121 includes a mesh enclosure outer ring and a mesh enclosure inner ring, wherein the mesh enclosure inner ring is disposed inside the mesh enclosure outer ring, the mesh enclosure outer ring has a first mesh outlet plate 1212, the first mesh outlet plate 1212 is capable of allowing the wind from the circulation fan to diffuse around, and the mesh enclosure inner ring is used for eliminating the noise generated when the circulation fan operates.

Specifically, the mesh enclosure inner ring is provided with a second air outlet mesh plate 1213, and the rotation angle of the second air outlet mesh plate 1213 is opposite to the rotation angle of the first air outlet mesh plate 1212, so that the noise reduction effect can be achieved.

In an alternative embodiment, the inner mesh enclosure comprises an outer ring and a central disk 1214, wherein the central disk is located inside the outer ring and the second outlet air mesh plate 1213 is connected between the outer ring and the central disk 1214. In this embodiment, the mesh enclosure outer ring includes an outer ring edge 1211, one end of the first air outlet mesh plate 1212 is connected to the outer ring edge 1211, and the other end of the first air outlet mesh plate 1212 is connected to the outer ring, wherein the diameter of the inner ring is 10 to 30mm, so that the noise of the circulation fan can be reduced by 1.3 dB.

In an optional embodiment, the center of the mesh enclosure inner ring is provided with a solid structure, and the outer diameter of the solid structure is equal to (0.02-0.3) times of the outer diameter of the mesh enclosure inner ring.

In an alternative embodiment, the inner side of the mesh enclosure inner ring is provided with a cross-shaped structure.

In an optional embodiment, the inner ring of the mesh enclosure is provided with a second air outlet screen plate formed by grid plates, and the number of the grid plates is smaller than that of grid strips on the first air outlet screen plate.

In an alternative embodiment, the width of the grid plate is smaller than the width of the grid bars.

In an alternative embodiment, the direction of rotation of the grating plates is opposite to the direction of rotation of the grating strips.

In an optional embodiment, the first outlet net plate 1212 is disposed on the mesh enclosure outer ring in a counterclockwise twisting manner, and the mesh enclosure inner ring is in a solid structure or a concentric structure, so as to better eliminate noise generated when the circulation fan operates.

In an alternative embodiment, the front mesh enclosure 121 includes a mesh enclosure inner ring and a mesh enclosure outer ring, wherein the mesh enclosure inner ring is located inside the mesh enclosure outer ring, and the mesh enclosure outer ring is provided with the first outlet mesh plate. Noise generated when the circulation fan operates.

In an alternative embodiment, the mesh enclosure inner ring and the mesh enclosure outer ring may be integrally formed, so as to better control the manufacturing cost of the front mesh enclosure 121.

In an alternative embodiment, the front mesh enclosure 121 is removably connected to the air duct 122. Specifically, the outer rim 1211 has a flange protruding toward the rear case 13, the air duct 122 includes an outer case 1221, an inner case 1222, and a rib 1223, the rib 1223 is disposed between the outer case 1221 and the inner case 1222, and the flange of the front mesh cover 121 is engaged with the inner case 1222 or the rib 1223.

In the present embodiment, the number of the reinforcing ribs 1223 is plural, and the plural reinforcing ribs 1223 are arranged between the outer casing 1221 and the inner casing 1222 at intervals in a circumferential array, so that not only the strength of the air guide duct 122 can be ensured, but also the manufacturing cost of the air guide duct 122 can be reduced, and a large amount of manufacturing materials can be saved; in addition, other electronic components of the circulating fan can be conveniently installed in the cavity formed between the outer shell 1221 and the inner shell 1222, so that the structure of the circulating fan is more compact, and the design is more reasonable.

In an alternative embodiment, the length of the inner casing 1222 extending toward the front mesh enclosure 121 is less than the length of the outer casing 1221 extending toward the front mesh enclosure 121, so that the flange is just clamped on the reinforcing rib 1223, and the stability of the connection between the front mesh enclosure 121 and the air duct 122 is improved.

In an optional embodiment, the rear shell 13 includes a rear mesh enclosure 132, the rear mesh enclosure 132 is provided with a rear shell accommodating cavity 131, wherein the driving mechanism 40 is accommodated in the rear shell accommodating cavity 131, so as to prevent the driving mechanism 40 from affecting the appearance of the circulating fan, and meanwhile, the driving mechanism 40 can be protected, when the air conditioner is operated in a circulation mode, air can be discharged from the rear mesh enclosure 132 into the accommodating space and then is discharged through the front mesh enclosure 121 along the air duct 122, so that when the rotation of the machine body 10 is reduced, the rear shell 13 affects the air duct formed by the air duct 122, so that the air suction is smoother, and the air volume is more sufficient.

After the technical scheme is adopted, the air duct 122 surrounds the outer side of the fan blade 11, so that air can be gathered and blown by the air duct 122, wind power is improved, air can be discharged from the rear mesh enclosure 132 along the air duct 122 from the front mesh enclosure 121, and a better heat dissipation effect is brought to a user.

In an alternative embodiment, the support assembly 30 includes a support column having a housing 31 with an opening 311, and the driving mechanism 40 is mounted in the housing 31.

Specifically, the receiving shell 31 has a cylindrical shape, and the shape of the rear shell receiving cavity 131 is matched with the shape of the receiving shell 31, so that the rear shell 13 can be rotatably mounted on the receiving shell 31 through the rear shell receiving cavity 131. In this embodiment, the opening 311 of the storage case 31 is disposed at the upper portion of the storage case 31 and faces the rear case 13, the first fixed frame 412, the first movable frame 411, the second fixed frame 421 and the second movable frame 422 are sequentially installed in the storage case 31 from the opening 311 of the storage case 31, and then the bottom of the fan motor 14 and the rear case storage cavity 131 are fixed on the second fixed frame 421, so that the whole driving mechanism 40 can be installed in the cavity formed by the rear case storage cavity 131 and the storage case 31, and when the circulation fan works, the driving mechanism 40 can drive the rear case storage cavity 131 to rotate relative to the storage case 31.

In an alternative embodiment, the first fixed frame 412 is installed in the receiving shell 31 through a first fixed frame fixing portion, and the first movable frame 411, the second fixed frame 421 and the second movable frame 422 are sequentially connected with the first fixed frame 412 in a rotating manner.

In an alternative embodiment, the rear housing receiving cavity 131 is a groove formed by recessing the rear housing 13 into the receiving space, and the width of the rear housing receiving cavity 131 is greater than the entire width of the driving mechanism 40, so that the entire driving mechanism 40 can be received in the rear housing receiving cavity 131.

In an optional embodiment, the rear casing 13 is provided with a rear casing rotating shaft hole 1313, and the output end of the fan motor 14 passes through the rear casing rotating shaft hole 1313 and then is connected with the fan blade 11, so that the fan motor 14 can drive the fan blade 11 to rotate relative to the rear casing 13, and a better heat dissipation effect is brought to a user.

In an optional embodiment, a fan blade avoiding groove 1312 is formed in one side of the rear housing 13, which faces away from the rear housing accommodating cavity 131, a fan blade rotating shaft 1121 is arranged on the fan blade 11, and the fan blade rotating shaft 1121 is connected with an output shaft of the fan motor 14 at a position where the fan blade avoiding groove 1312, so that a sufficient installation space can be effectively provided for the fan blade 11, and meanwhile, the problem of collision between the fan blade 11 and the rear housing 13 is also avoided.

In an alternative embodiment, the rear housing 13 is provided with a rear housing fastening 1311 at the position of the rear housing receiving chamber 131, wherein the rear housing 13 is fastened to the drive mechanism 40 by means of the rear housing fastening 1311.

Specifically, the second fixing frame 421 is provided with a fixing frame mounting portion and a fixing frame through hole 4211a, the fan motor 14 sequentially passes through the fixing frame through hole 4211a and the rear housing rotating shaft hole 1313 and then is connected to the fan blade rotating shaft 1121, and the second fixing frame 421 is fixed to the rear housing fixing portion 1311 through the fixing frame mounting portion.

In an alternative embodiment, the fan blade 11 includes a fan blade fixing shaft 112 disposed at the center of the fan blade 11 and a blade assembly 111 disposed outside the fan blade fixing shaft 112, wherein the fan blade rotating shaft 1121 is disposed at the center of the fan blade fixing shaft 112. In this embodiment, the blade assembly 111 includes the first blade 1111, the second blade 1112 and the third blade 1113, the direction of the torsion of the first blade 1111 is the same as the direction of the torsion of the second blade 1112, the third blade 1113 is connected between the middle portions of the first blade 1111 and the second blade 1112, so that not only the pressure on the first blade 1111 and/or the second blade 1112 can be changed when the blade assembly 111 rotates, respectively, the area with a large pressure difference is widely distributed, and the vortex or separation phenomenon easily generated by the gas on the first blade 1111 and/or the second blade 1112 is avoided, thereby effectively improving the kinetic energy of the gas, and having the advantages of concentrating the gas flow, increasing the flow rate, reducing the noise, and the like.

In an optional embodiment, the number of the blade assemblies 111 is at least three, and the three groups of the blade assemblies 111 are uniformly arranged outside the fan blade fixing shaft 112 at intervals with the fan blade fixing shaft 112 as a center, so that the distance between the output air volume of the circulating fan and the distance between the airflow entering the room or the environmental space can be effectively increased, the stability of the rotation of the fan blades 11 is ensured, and the noise is reduced.

In an optional embodiment, the first blade 1111 includes a first segment 11111 and a second segment 11112, wherein the first segment 11111 is connected to the blade fixing shaft 112, the second segment 11112 is connected to the first segment 11111, and the third blade 1113 is disposed between the first segment 11111 and the second segment 11112, so that the blade assembly 111 has an effect of guiding the airflow, and reduces the resistance of the airflow output, thereby increasing the flow rate of the airflow, further increasing the distance of the airflow output, and improving the adjustment effect of the indoor airflow circulation temperature.

In an alternative embodiment, the width of the first segment 11111 is different from the width of the second segment 11112 and the width of the second blade 1112, and when the fan motor 14 drives the blade assembly 111 to rotate, the width of the first segment 11111, the width of the second segment 11112 and the width of the second blade 1112 can generate air volumes with different sizes and blowing angles, and the air volumes with different sizes and different angles all act on the air duct 122 and are discharged from the front mesh cover 121 along the air duct 122 and blown to the indoor periphery, so as to reduce the indoor temperature.

In an alternative embodiment, the first segment 11111 is disposed to incline with respect to the blade fixing shaft 112 to form a first included angle, the second segment 11112 is disposed to incline with respect to the blade fixing shaft 112 to form a second included angle, and the first included angle is different from the second included angle, so that the flowing direction of the airflow can be effectively changed, and the airflow is sequentially discharged from the front mesh enclosure 121 and blown to the indoor periphery.

In an alternative embodiment, the second segment 11112 and the third blade 1113 are inclined to form a third angle, and the third angle is different from the first angle and the second angle, and the flowing direction of the airflow is effectively changed again, so that the airflow is sequentially discharged from the front mesh cover 121 and blown to the indoor periphery.

In an alternative embodiment, the third blade 1113 is disposed concentrically with the blade fixing shaft 112, which not only reduces the resistance of the blade assembly 111 during operation, but also increases the strength of the first blade 1111 and the second blade 1112, thereby increasing the service life of the first blade 1111 and the second blade 1112.

In an optional embodiment, the third blade 1113 is in a triangular structure, wherein the first blade 1111 is connected to one of the edges of the third blade 1113, and the second blade 1112 is connected to the other edge of the third blade 1113, so that the design can be performed by utilizing the stress conditions of the first blade 1111 and the second blade 1112, the blade assembly 111 can generate a large air volume, and the service life of the blade assembly 111 can be ensured at the same time, and the structure is simple and the design is reasonable.

In an alternative embodiment, a sensor and an MCU control chip disposed on the circuit board 50 are disposed on the circulating fan, wherein the sensor is electrically connected to the MCU control chip for controlling the rotation of the driving mechanism 40 and the power on of the fan motor 14.

In an alternative embodiment, the supporting column is provided with a sensor mounting cavity 33, and the sensor can be mounted on the circuit board 50 or can be provided separately from the circuit board 50. In the present embodiment, both the sensor and the circuit board 50 are mounted in the sensor mounting cavity 33.

It should be noted that the sensor may be an infrared sensor, or the sensor may also be a camera, and the purpose of the sensor is mainly to enable the fan motor 14, the first driving member 413, and the second driving member 423 to be adjusted after being fed back to the MCU control chip through signals of the sensor, so as to control the rotation speed of the fan motor 14, the rotation direction of the driving mechanism 40, and the like.

After the technical scheme is adopted, whether the infrared sensor is adopted for sensing the human existence or not is adopted in the application, and then the obtained signal is acquired by the infrared sensor and transmitted to the MCU control chip to control the switch and the rotating speed of the circulating fan, so that the device is more humanized, and the energy consumption is saved.

In an alternative embodiment, the sensor may also be a temperature sensor, and the signal of the temperature sensor may be DS18B20, so that the circulating fan can control the rotation speed of the fan according to the current room temperature, and energy consumption is saved.

In an optional implementation mode, the sensor can also be a sound sensor, so that the circulating fan can judge the surrounding movement according to sound, and further control the switch of the circulating fan, and the effect of saving energy consumption is achieved.

In an alternative embodiment, the sensor mounting cavity 33 is disposed below the receiving shell 31, wherein one side of the sensor mounting cavity 33 is provided with a window, and the other side of the sensor mounting cavity is an open end, so that the sensor can be mounted in the sensor mounting cavity through the open end, and then the sensor transmits a signal to the outside of the sensor mounting cavity through the window to acquire a detection signal.

In an alternative embodiment, the supporting assembly 30 further includes a first cover plate 32, and the first cover plate 32 covers the open end, so that the sensor can be enclosed in the sensor installation cavity to protect the sensor, and the aesthetic property of the circulating fan is not affected.

In an alternative embodiment, the first cover plate 32 has a concave structure, and its two protruding ends are fixed in the sensor mounting cavity by screws.

Further, the sensor may be installed above the rear case receiving chamber 131. Specifically, the upper end of the rear housing accommodating cavity 131 is provided with a sensor mounting part 1314, wherein the sensor is detachably mounted on the sensor mounting part 1314, so that the detection range of the sensor can be ensured, and meanwhile, the heat generated by the sensor due to work can be dissipated to the outside through the airflow generated by the machine body 10, therefore, the peripheral side of the sensor mounting part is designed by adopting a hole structure, and the sensor mounting part is simple and reasonable.

In an optional embodiment, the circulating fan is further provided with a display screen 60, and the display screen is electrically connected with the MCU control chip and used for displaying the current room temperature, the rotating speed of the fan motor 14, the working mode of the circulating fan, and the like, so that the display screen can be clear at a glance.

The display screen 60 may also be a touch display screen, and a user may control the rotation speed of the fan motor 14 and the working mode of the circulating fan through the display screen, or the display screen 60 may also be one of a flexible display screen, a straight screen, or a curved screen. The application is not limited.

In an alternative embodiment the display screen is positioned 30-70mm at the lower end of the front shell.

In an alternative embodiment, the display screen 60 may be disposed on the end surface of the first cover plate 32, and integrally designed with the first cover plate 32, and then the first cover plate 32 is covered on the open end of the sensor mounting cavity 33, which is simple and reasonable in design.

Specifically, the bottom of the sensor installation cavity 33 is provided with a display screen fixing portion, and the first cover plate 32 is fixed on the display screen fixing portion through a fastening member.

In this embodiment, the sensor is mounted on a circuit board 50, and the circuit board 50 is fitted on the back surface of a first cover plate 32, which is provided with a support structure on which a display screen 60 is mounted.

In an alternative embodiment, the display screen 60 may also be mounted on the air duct 122, and the structure is simple and reasonable.

Specifically, the outer casing 1211 is provided with a display screen mounting opening 1324, and the display screen 60 is mounted on the display screen mounting opening 1324.

In this embodiment, the air duct 122 further includes a support frame 70, wherein the display screen 60 is mounted on the display screen mounting opening 1324 through the support frame 70, which can effectively provide support protection for the display screen 60.

In an optional embodiment, the circulating fan is further provided with a wireless communication module, which may be USR-215b, so that the mobile phone can generate a signal to the MCU control chip through the wireless communication module to adjust the operating mode of the circulating fan, or receive the signal through the wireless communication receiving module to display the operating state of the circulating fan on the operation interface of the mobile phone or other electronic device.

After the technical scheme above is adopted, because be equipped with sensor and display screen 60 on the circulation fan of this application, can judge through the sensor whether someone exists at certain limit circulation fan to with the signal transmission to MCU control chip that the sensor gathered, and then can control the operating condition of circulation fan. The display screen 60 allows the user to more intuitively know the operating state of the circulation fan.

In addition, the circulation fan of this application can be through the first runner assembly 41 of horizontal rotation and second runner assembly 42 of tilting, when realizing the horizontal hunting and the vertical hunting of circulation fan very easily, has advantages such as simple structure is compact, simple to operate, spare part figure are few again, is favorable to the small-size design of circulation fan shell at the drive position for whole circulation fan is more small and exquisite pleasing to the eye, better demand that accords with people.

In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. 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 structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application 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, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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 application. 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 application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A circulation fan, comprising:

2. The circulation fan according to claim 1, wherein the first rotating assembly includes a first movable frame and a first stationary frame, the first stationary frame being fixed to the receiving case, the first movable frame being rotatably connected to the first stationary frame.

3. The circulation fan according to claim 2, wherein the second rotation member includes a second fixed frame and a second movable frame for mounting the fan motor, the second fixed frame being rotatably mounted on the first movable frame, and the second movable frame being rotatably mounted on the first fixed frame.

4. The circulation fan according to claim 3, wherein the rear case includes a rear mesh enclosure, a rear case receiving cavity is provided on the rear mesh enclosure, and the first movable frame, the first fixed frame, the second fixed frame, and the second movable frame are all mounted in the rear case receiving cavity.

5. The circulation fan according to claim 4, wherein the first movable frame and the first fixed frame form a U-shaped structure.

6. The circulation fan according to claim 4, wherein the rear housing receiving cavity is a groove formed by recessing the rear housing into the receiving space, and a width of the rear housing receiving cavity is greater than a width of the first rotating member.

7. The circulation fan as claimed in claim 3, wherein the first rotating assembly further comprises a first driving member and a first driving member, the first driving member is mounted on the first movable frame and is configured to drive the first driving member to rotate the second fixed frame and the second movable frame.

8. The circulation fan as claimed in claim 7, wherein the first movable frame and the first fixed frame are each of an L-shaped configuration, and the first driving member is installed between a horizontal end of the first movable frame and a horizontal end of the first fixed frame.

9. The circulation fan as claimed in claim 3, wherein the second rotation assembly further comprises a second driving member and a second transmission member, the second driving member being mounted on the second movable frame for driving the second transmission member to rotate the second fixed frame relative to the second movable frame.

10. The circulation fan as claimed in claim 9, wherein the second transmission member includes a driving gear installed at an output end of the second driving member and a driven gear drivingly connected to the driving gear, the driven gear being fixed to the second fixing frame.