CN209781266U - Fan - Google Patents

Abstract

The utility model relates to a fan, including power device, fan casing and a plurality of flabellum, the flabellum holding in the fan casing, the flabellum with power device connects, the device of shaking the head with the fan casing is connected and is driven the fan casing swing, detection device with the device of shaking the head is connected, and pendulous device includes power component and pivot, the flabellum with the pivot is connected, the pivot is in power component's drive is rotated down and is driven the flabellum is based on the pivot swing. The fan blades are driven by the power device to rotate to form air flow; the oscillating device drives the fan cover to rotate to realize the oscillating action of the fan; the swinging position of the fan cover is detected through the detection device, so that the angle of the fan can be set arbitrarily, and the fan can swing from any position and reach a preset angle; the swinging device is connected with the fan blades and adjusts the angle of the fan blades, so that the air outlet of the fan is softer and more stable; the use performance of the fan is enriched, and the practicability of the fan is improved.

Description

Fan

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a fan.

Background

The fan is an electric appliance which can make air flow, is mainly used for heat dissipation and air flow, is widely applied to places such as families, schools and offices, and is favored by a large number of users.

the change of wind direction and wind speed can only be reached through the yaw and the rotational speed of adjusting the flabellum to current fan generally, the function is comparatively single, the regulation mode has the limitation, can not satisfy user demand, and the yaw position of fan, yaw angle and flabellum angle all set for in advance, after the fan swings to certain position and stops, can't learn the current position of fan during the restart, be difficult to control the swing of fan, and the flabellum is fixed knot structure, can not be through changing flabellum angle in order to adjust wind speed and wind direction.

SUMMERY OF THE UTILITY MODEL

the utility model discloses a utility model aims at providing a fan to overcome current fan wind speed, wind direction regulation form and function singleness, the defect that the flexibility ratio is low.

The utility model provides a technical scheme that above-mentioned technical problem adopted is:

a fan, comprising;

The fan blades are contained in the fan cover, and are connected with the power device and driven by the power device to rotate so as to form airflow;

the head shaking device is connected with the fan cover and drives the fan cover to swing;

The detection device comprises a separation blade and a detection body, the head shaking device is connected with the separation blade, the separation blade is driven by the head shaking device to move, and the detection body is used for measuring the position of the separation blade;

The swinging device comprises a power element and a rotating shaft, the fan blades are connected with the rotating shaft, and the rotating shaft is driven by the power element to rotate and drive the fan blades to swing based on the rotating shaft.

In a preferred embodiment, the oscillating device includes a driving element, a first transmission body and a second transmission body, the first transmission body is connected to the second transmission body, the first transmission body is driven by the driving element to rotate and drive the second transmission body to rotate, the second transmission body is connected to the blocking plate, the blocking plate is provided with a blocking portion and a detection portion which are alternately arranged, and the detection body is located in the detection portion or the blocking plate rotates until the detection body is located in the detection portion, and the detection body identifies the current position of the blocking plate.

In a preferred embodiment, the blocking plate includes a base, the blocking portions protrude outward based on an edge of the base and are arranged at intervals along the edge of the base by a circle, and the detecting portion is formed between adjacent blocking portions.

in a preferred embodiment, the swinging device further includes a rotating assembly and a thrust assembly, the rotating assembly includes a moving plate, the moving plate is connected with the thrust assembly and moves under the driving of the thrust assembly, and the rotating shaft is connected with the moving plate and can rotate along the moving plate along with the movement of the moving plate, so that the fan blades swing based on the rotating shaft.

In a preferred embodiment, a sliding shaft is disposed on one side of the moving plate away from the rotating shaft, the rotating assembly further includes a slider, the slider is connected to the thrust assembly, an inclined sliding slot is disposed in the slider, and the sliding shaft is accommodated in the sliding slot and driven by the slider to move along the sliding slot, so that the moving plate drives the rotating shaft to rotate.

In a preferred embodiment, the rotating assembly further includes a push plate and a return spring, the push plate is connected to one end of the slider, which is far away from the moving plate, the return spring is located between the push plate and the moving plate, and two ends of the return spring respectively abut against the push plate and the moving plate.

In a preferred embodiment, rotating assembly includes rotor and thrust plate, thrust plate and movable plate connect respectively in the both ends of rotor, the rotor can be relative thrust plate and movable plate rotate, be equipped with buffer spring between thrust plate and the movable plate, buffer spring's both ends respectively with thrust plate and movable plate support and hold.

In a preferred embodiment, the negative ion module further comprises a first electric conductor and a second electric conductor, and negative ions generated between the first electric conductor and the second electric conductor pass through the second electric conductor to follow the airflow formed by the fan blades.

In a preferred embodiment, still include the filter screen subassembly, the filter screen subassembly includes filter screen skeleton and filter screen body, be equipped with the filtration mesh hole that supplies the air to pass on the filter screen body, the filter screen skeleton install in fan housing is last, the edge of filter screen body is equipped with the posting, be equipped with a plurality of locating holes on the posting, be equipped with the reference column on the filter screen skeleton, the tip of reference column is equipped with relatively the convex part of the edge evagination of reference column, the convex part can be gone into in the locating hole.

in a preferred embodiment, still include aircraft bonnet, support column and stand subassembly, the fan casing is installed on the aircraft bonnet, be connected through the stand subassembly between aircraft bonnet and the support column, the stand subassembly includes a plurality of stands that are the platykurtic, and is adjacent form the ventilation chamber between the stand, the inside holding that is equipped with of fan casing the holding chamber of flabellum, the ventilation chamber with holding chamber intercommunication, air can pass the ventilation chamber gets into the holding intracavity.

The utility model discloses following beneficial effect has at least:

The fan blades are driven by the power device to rotate to form air flow; the oscillating device drives the fan cover to rotate to realize the oscillating action of the fan; the swinging position of the fan cover is detected through the detection device, so that the angle of the fan can be set arbitrarily, and the fan can swing from any position and reach a preset angle; the swinging device is connected with the fan blades and adjusts the angle of the fan blades, so that the air outlet of the fan is softer and more stable; the use performance of the fan is enriched, and the practicability of the fan is improved.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a perspective view of the fan of the present invention;

FIG. 2 is a schematic perspective view of the filter screen frame of the present invention;

Fig. 3 is a schematic perspective view of the filter screen body of the present invention;

Fig. 4 is a perspective view of the fan of the present invention in another direction;

Fig. 5 is a schematic perspective view of the anion module of the present invention;

FIG. 6 is a perspective view of the oscillating device of the present invention;

Fig. 7 is a schematic perspective view of the detecting device of the present invention;

Fig. 8 is another perspective view of the detecting device of the present invention;

Fig. 9 is a perspective view of the thrust assembly of the present invention;

Fig. 10 is a perspective view of the rotating assembly of the present invention;

Fig. 11 is another perspective view of the rotating assembly of the present invention.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

first embodiment

Referring to fig. 1, the fan of the present invention includes a supporting pillar 120, a supporting seat 110 and a fan cover 130, the supporting pillar 120 is installed above the supporting seat 110, and the bottom of the supporting seat 110 is attached to the ground or other placing planes to ensure the stability of the whole easy-to-clean fan. The support post 120 can be a telescopic structure, so as to adjust the length of the support post 120, and meet different use requirements of the fan. The top of the supporting column 120 is connected to the fan housing 130 to support the fan housing 130, the fan blades 140 are disposed inside the fan housing 130, and the fan blades 140 are driven by a power device (not shown) to rotate to form an air flow, thereby achieving an air circulation effect.

the fan-shaped fan cover comprises a fan cover 130, a support column 120 and a hood 150, wherein the hood 150 is connected between the support column 120 and the fan cover 130, the upper end of the support column 120 is connected with the hood 150, the side part of the hood 150 is connected with the fan cover 130, and a power device is contained in the hood 150 and provides power for rotation of fan blades 140.

Fan housing 130 includes preceding screen panel 131 and back screen panel 132, and preceding screen panel 131 forms an accommodation chamber 133 with back screen panel 132 lock, and flabellum 140 is located this accommodation chamber 133, and preceding screen panel 131 all is the fretwork shape with back screen panel 132, the air admission of being convenient for, and back screen panel 132 is the air intake of fan, and preceding screen panel 131 is the air outlet of fan, and the air that gets into from back screen panel 132 forms the air current under the drive of flabellum 140, flows from preceding screen panel 131, realizes the circulation of air. After the front mesh enclosure 131 and the rear mesh enclosure 132 are separated, the fan blades 140 inside the fan enclosure 130 can be wiped or cleaned, so that the use performance and the air quality of the fan are improved.

a filter screen assembly 200 is further included, the filter screen assembly 200 is mounted on the side of the fan housing 130 near the hood 150, and the filter screen assembly 200 can block dust and lint in the air from entering the fan housing 130 and facilitate cleaning.

The negative ion generator further comprises a negative ion module 300, wherein the negative ion module 300 is positioned in the hood 150 and can generate negative ions, and the negative ions are communicated with the accommodating cavity 133 and driven by air flow generated by the fan blades 140 to flow. The anion has the effect of disinfecting and air-purifying to can promote human metabolism, improve the immunocompetence of organism, strengthen the human function, reach the effect of adjusting organism function balance, the anion flows under the effect of air current, fully contacts with indoor air, purifies and disinfects the air, improves air quality.

Still include stand subassembly 400, stand subassembly 400 is connected between aircraft bonnet 150 and support column 120, stand subassembly 400 includes ventilation chamber 410, this ventilation chamber 410 and holding chamber 133 intercommunication, the air can get into holding chamber 133 through ventilation chamber 410 in, does not receive the shelter from, has improved the air capacity in the entering fan casing 130, and increase fan casing 130 is to the receiving area of air, thereby improve the air capacity that gets into fan casing 130 and the air current intensity that flabellum 140 formed, optimize the air circulation performance of fan.

The fan further comprises a swinging device 500, and the swinging device 500 is connected with the fan blade 140, so that the fan blade 140 is driven by the swinging device 500 to rotate, the air outlet speed and the air direction of the fan are adjusted, and the air blown by the fan blade 140 is softer and more dispersed.

still including shaking the head device 600, shaking the head device 600 and being connected with fan casing 130 to drive fan casing 130 swing, reach the requirement effect of fan, shaking the head device 600 and being connected with detection device 700, detection device 700 is used for detecting the turned position of fan casing 130, and the current turned angle of quick discernment fan makes the fan can follow optional position and rotates.

2-3, filter screen subassembly 200 includes filter screen skeleton 210 and filter screen body 220, filter screen skeleton 210 encloses along fan casing 130's edge and is equipped with a week, prevent that filter screen skeleton 210 from blockking in the air admission fan casing 130, be equipped with the filter mesh hole 221 that supplies the air to pass on filter screen body 220, filter mesh hole 221 on filter screen body 220 can block dust and the flock in the air, prevent that this impurity from flowing to other spaces along with the air current that flabellum 140 formed, influence the indoor environment, and filter screen body 220 is removable relatively filter screen skeleton 210, on the basis of realizing air purification, be convenient for the washing and the clearance in fan later stage, high durability and convenient use.

Filter screen subassembly 200 includes filter screen body 220 and filter screen skeleton 210, and filter screen body 220 can dismantle with filter screen skeleton 210 and be connected, and filter screen skeleton 210 includes a plurality of reference columns 211 and connecting rod 212, and two adjacent reference columns 211 are connected in the both ends of connecting rod 212, and connecting rod 212 is elongated shaft-like and bends into the shape corresponding with fan casing 130 edge, installs in the filter screen skeleton 210 at fan casing 130 edge, does not influence in the air admission fan casing 130. The positioning hole 222 corresponding to the positioning post 211 is formed in the filter body 220, and the positioning post 211 can be inserted into the positioning hole 222 to complete the connection between the filter body 220 and the filter framework 210.

Preferably, the end of the positioning column 211 is provided with a convex portion 2111 protruding outwards, the convex portion 2111 may be spherical, and the convex portion 2111 can be clamped into the positioning hole 222, so as to prevent the positioning column 211 from loosening from the positioning hole 222, and improve the stability of the installation of the filter screen body 220 and the filter screen framework 210.

Filter screen body 220 is the semicircle cyclic annular, the utility model provides a filter screen body 220 is equipped with two, and two filter screen bodies 220 splice into a complete ring through filter screen skeleton 210, and aircraft bonnet 150 passes from inside ring, makes the structural connection of fan more compact. The edge of the filter screen body 220 is provided with a positioning frame 223, the positioning holes 222 are uniformly distributed along the positioning frame 223, a net body is connected between the positioning frame 223 of the inner ring and the positioning frame 223 of the outer ring, and the net body can be made of nylon, fiber or asbestos.

In order to improve the connection stability between the filter screen body 220 and the filter screen framework 210, a plurality of positioning frames 223 may be disposed on the filter screen body 220, for example, the positioning frames 223 are disposed on the inner ring and the outer ring of the screen body and between the inner ring and the outer ring; in order to improve the purification effect of the fan, a plurality of layers of filter screen bodies 220 can be arranged, the filter screen bodies 220 are stacked on the side part of the fan cover 130 layer by layer, the filtering strength of the filter screen holes 221 on impurities in the air is enhanced, and when cleaning is carried out, only the filter screen body 220 on the outer side needs to be detached, and the filter screen body 220 on the inner layer can be continuously used; the filter screen bodies 220 can be spliced along the radial direction, namely, the inner ring of the outer filter screen body 220 is overlapped with the outer ring of the inner filter screen body 220, so that the positioning holes 222 at the overlapped parts of different filter screen bodies 220 are communicated, and the connection with the filter screen framework 210 is facilitated.

Referring to fig. 4, the pillar assembly 400 includes a first pillar 420 and a second pillar 430, the first pillar 420 and the second pillar 430 are spaced apart from each other such that a ventilation chamber 410 is formed between the first pillar 420 and the second pillar 430, and front and rear ends of the ventilation chamber 410 penetrate and communicate with the receiving chamber 133. Therefore, air can enter the accommodating cavity 133 through the ventilation cavity 410 and the fan cover 130, the upright post assembly 400 does not shield the air from entering the fan cover 130, the receiving area of the fan cover 130 to the air is increased, the air quantity entering the fan cover 130 and the air flow strength formed by the fan blades 140 are improved, and the ventilation performance of the easy-ventilation fan to the air is optimized.

Preferably, the first upright post 420 and the second upright post 430 are both flat or thin, and the first upright post 420 and the second upright post 430 are preferably avoided being flat, so that air is not blocked by the side surfaces of the first upright post 420 and the second upright post 430 in the entering direction, and can smoothly enter the accommodating cavity 133, and the air volume entering the accommodating cavity 133 is increased. The flat surfaces of the first upright post 420 and the second upright post 430 are arranged oppositely, so that the volume of the ventilation cavity 410 is increased on the basis of ensuring the connection strength of the upright post assembly 400, the hood 150 and the support column 120, and air can conveniently pass through the ventilation cavity 410 and enter the accommodating cavity 133.

The first upright 420 and the second upright 430 may be provided in plurality, and the first upright 420 and the second upright 430 are arranged at intervals, so that the ventilation cavity 410 is formed between the adjacent first upright 420 and the first upright 420, between the adjacent first upright 420 and the adjacent second upright 430, and between the adjacent second upright 430 and the adjacent second upright 430. Through setting up a plurality of first stands 420 and second stand 430, improved stand subassembly 400's joint strength, can set up to equidistant between first stand 420 and the second stand 430, consequently the air distribution that gets into in the holding chamber 133 through ventilation chamber 410 is even to the fan has improved the stability of fan formation air current.

The lengths of the first upright post 420 and the second upright post 430 can be selected according to actual conditions on the premise that the communication between the ventilation cavity 410 and the accommodating cavity 133 in the upright post assembly 400 is satisfied. The utility model provides a first stand 420 and second stand 430's length is the aircraft bonnet 150 edge just and the fan casing 130 distance between the outside edge, has guaranteed stand subassembly 400's joint strength and ventilation performance simultaneously.

Referring to fig. 5, the negative ion module 300 includes a first conductor 310 and a second conductor 320, the first conductor 310 is connected to a power source and can generate negative ions, a conductive pin 330 is disposed on the first conductor 310, the conductive pin 330 is aligned with the center of the second conductor 320, the second conductor 320 is grounded through a conductive wire, and the negative ions move from the first conductor 310 to the second conductor 320, pass through the second conductor 320, and flow to the outside of the fan along with the wind current generated by the fan blade 140. The second conductor 320 is hollow, and has a plurality of air holes for passing through negative ions, and the shape of the air holes can be selected according to actual conditions, such as circular, strip, arc, etc. The negative ions pass through the air holes under the driving of the airflow generated by the fan blade 140 and flow to the outside of the fan along with the airflow for air purification, and the second conductor 320 may be made of a conductive material such as copper sheet.

referring to fig. 6, the oscillating device 600 includes a first transmission body 610 and a second transmission body 620, the first transmission body 610 is rotatably connected with the supporting column 120, the first transmission body 610 is driven by the power motor to rotate and drive the second transmission body 620 to rotate, so as to realize the rotation of the second transmission body 620 relative to the supporting column 120; a central shaft 630 is connected to the center of first transmission body 610, and first transmission body 610 is connected with the power motor through central shaft 630, so that power transmission between the power motor and first transmission body 610 is realized; the central shaft 630 is connected with the hood 150, and in the process of rotation of the central shaft 630, the hood 150 rotates along with the central shaft 630, so as to drive the fan cover 130 to rotate along with the central shaft 630, so that the fan cover 130 moves relative to the support column 120, and the swinging motion of the fan is realized.

the first transmission body 610 and the second transmission body 620 may be provided in a gear structure, and power transmission is achieved by engagement of the two.

a connecting piece 640 is further arranged between the first transmission body 610 and the second transmission body 620, the connecting piece 640 is fixedly connected with the support column 120, and the second transmission body 620 is rotatably connected with the connecting piece 640, so that when the second transmission body 620 rotates, the upper end of the connecting piece 640 rotates along with the second transmission body 620, and the lower end of the connecting piece 640 is fixed, thereby realizing the relative rotation between the second transmission body 620 and the support column 120. The rotary connection between the second transmission body 620 and the connection member 640 may be in the form of hinge, shaft hole connection, etc. on the basis of realizing the relative rotation between the two.

the detecting device 700 includes a blocking piece 710 and a detecting body 720, the blocking piece 710 can move along with the rotation of the second transmission body 620, and a through groove for the blocking piece 710 to pass through is arranged in the detecting body 720, so that the position change between the blocking piece 710 and the detecting body 720 is realized. The utility model provides a separation blade 710 optional photoelectric separation blade, be equipped with the photoelectric sensing element who responds to separation blade 710 on detecting body 720, refer to fig. 7, be equipped with detection portion 711 and stop part 712 on the separation blade 710, follow second transmission body 620 rotation in-process at separation blade 710, detection portion 711 and stop part 712 detect body 720 and produce the position change relatively, when detecting body 720 is located detection portion 711, perhaps separation blade 710 rotates to detecting body 720 when being located detection portion 711 just, detect body 720 acquires the current position of separation blade 710, thereby the current turned angle of quick identification fan, make the fan rotate from arbitrary position, improve fan turned angle's accuracy.

During the oscillating process of the fan, or the fan may stop at any position under artificial oscillation, the oscillating position of the fan is measured by detecting the position of the blocking piece 710 by the detecting body 720, the current rotation angle of the fan is obtained, and the fan rotates based on the current angle, so that the effect of accurately rotating the fan at any position by an angle is achieved.

Referring to fig. 8, the barrier 710 includes a base 713, barrier portions 712 protruding outward based on an outer edge of the base 713, the barrier portions 712 being arranged at intervals along the outer edge of the base 713, and the detection portion 711 being formed between adjacent barrier portions 712. When the blocking part 712 is located at the detection body 720 or the blocking part 712 rotates to the detection body 720, the position of the photoelectric signal on the detection body 720 is blocked, and the detection body 720 does not detect the position signal of the baffle 710; when the detection part 711 is positioned at the detection body 720 or the detection part 711 just rotates to the detection body 720, the position of the photoelectric signal on the detection body 720 is exposed, and the position angle of the baffle 710 at the moment is measured; the detecting body 720 feeds back the position information to the driving module, and the driving module receives the signal and sends an instruction to rotate the fan to a predetermined angle at the current position. The swing position of the fan can be measured, the fan can rotate from any swing position, and the rotation angle is more accurate.

The number of the detectors 720, the detection parts 711 and the blocking parts 712 can be selected according to actual requirements, and the larger the number of the detectors 720, the more finely the distribution of the detection parts 711 and the blocking parts 712 along the base 713, and the faster and more accurate the measurement of the fan angle by the detectors 720. In a preferred embodiment, each detection part 711 corresponds to a detection body 720, so that the detection body 720 can quickly capture a slight angle change of the fan and position the rotation angle of the fan.

the blocking portions 712 of the present invention are provided with two, each blocking portion 712 protrudes outward relative to the edge of the blocking piece 710, and the concave space formed between the two blocking portions 712 and the edge of the base 713 is the detecting portion 711. The angles formed by the outer walls of the two sides of the two blocking parts 712 and the center of the base 713 and the angles formed by the edges of the two sides of the detecting part 711 and the center of the base 713 are both 40 degrees. On the basis of ensuring accurate measurement of the rotation position of the fan, the number of the blocking parts 712 and the detecting parts 711 is the least, the required cost is the lowest, and the use performance of the fan is greatly optimized.

Referring to fig. 9, the swing device 500 includes a thrust assembly 510 and a rotating assembly 520, two sides of the thrust assembly 510 are respectively connected to a power element 530 and the rotating assembly 520, the thrust assembly 510 is driven by the power element 530 to move the thrust assembly 510 in the horizontal direction, and the thrust assembly 510 drives the rotating assembly 520 to move, thereby realizing the rotation of the fan blade 140.

Thrust unit 510 includes linkage 511, linkage 511 includes first connecting rod 5111 and second connecting rod 5112, the both ends of first connecting rod 5111 are connected with runner assembly 520 and second connecting rod 5112 respectively, the other end of second connecting rod 5112 is connected with power element 530, and move under the drive of power element 530, preferably, first connecting rod 5111 rotates with second connecting rod 5112 and is connected, drive first connecting rod 5111 when second connecting rod 5112 moves, first connecting rod 5111 rotates based on the junction with second connecting rod 5112, the other end of first connecting rod 5111 drives runner assembly 520 and moves.

the rotation connection between the first link 5111 and the second link 5112 can be a hinge connection, a shaft hole connection, etc., the power element 530 can be a driving element such as an air cylinder, etc., and the power element 530 can perform telescopic movement and drive the first link 5111 and the second link 5112 to rotate relatively, so as to realize the power transmission of the first link 5111 to the rotating assembly 520.

In addition, the first connecting rod 5111 and the second connecting rod 5112 may also be in threaded connection, specifically, a connecting hole is formed in the end portion of the first connecting rod 5111 connected to the second connecting rod 5112, the second connecting rod 5112 is inserted into the connecting hole, an internal thread is formed on the inner wall of the connecting hole, a thread matched with the connecting hole of the first connecting rod 5111 is formed on the outer wall of the second connecting rod 5112, the power element 530 may select a driving member such as a motor, and the second connecting rod 5112 is driven by the power element 530 to rotate, so as to drive the end portion of the first connecting rod 5111 to move along the second connecting rod 5112. Still be equipped with axis of rotation 5113, axis of rotation 5113 is installed on the aircraft bonnet 150, this axis of rotation 5113 sets up in the middle part of first link 5111 and first link 5111 can rotate relative to this axis of rotation 5113, in the process that first link 5111 removed relative to second link 5112, the middle part of first link 5111 rotates for this axis of rotation 5113, the one end that second link 5112 was kept away from to first link 5111 drives runner assembly 520 and removes, realize thrust assembly 510 to runner assembly 520's pushing effect.

Thrust assembly 510 further includes a flat bearing 512, and the flat bearing 512 is connected to rotating assembly 520, and the flat bearing 512 receives the pushing force of linkage 511 on rotating assembly 520, so as to realize power transmission between thrust assembly 510 and rotating assembly 520. The thrust assembly 510 further includes a mounting seat 530 for connecting the second link 5112, the mounting seat 530 is fixed in the hood 150, the second link 5112 passes through the mounting seat 530 to be connected with the first link 5111, and the mounting seat 530 is provided with a movement space for the first link 5111 to move relative to the second link 5112, so as to ensure the stability of the movement of the linkage 511.

Referring to fig. 10, the rotating assembly 520 includes a pushing shaft 521 and a rotating shaft 522, the pushing shaft 521 is connected to the plane bearing 512 and receives the pushing force of the plane bearing 512, the pushing shaft 521 is connected to the rotating shaft 522 and drives the rotating shaft 522 to rotate, and the fan blade 140 is connected to the rotating shaft 522 and can swing along with the rotation of the rotating shaft 522, thereby implementing the angle change of the fan blade 140.

specifically, the rotating body 523 and the first pushing plate 524 are arranged in this embodiment, the second pushing plate 525 is arranged in the embodiment, the first pushing plate 524 and the second pushing plate 525 are respectively connected to two ends of the rotating body 523 and can rotate relative to the rotating body 523, the rotating shaft 522 is fixedly arranged on the second pushing plate 525 and connected to the left side of the rotating body 523, the right side of the rotating body 523 is connected with the first pushing plate 524 through a connecting shaft 526, the first pushing plate 524 is connected with the pushing shaft 521 and moves under the driving of the pushing shaft 521, the right end of the rotating body 523 rotates under the driving of the first pushing plate 524, the rotating shaft 522 rotates along with the rotation of the rotating body 523, and then the fan blade 140 is driven to swing relative to the rotating shaft 522, so that the angle change of the fan blade 140 is realized.

The horizontal movement of the pushing shaft 521 is converted into the rotation of the rotating shaft 522 through the rotating body 523, so that the purpose of adjusting the angle of the fan blade 140 is achieved. The rotating body 523 may be selected to have a cam structure or a link structure.

A buffer spring (not shown) is further arranged between the first pushing plate 524 and the second pushing plate 525, two ends of the buffer spring are respectively abutted against the first pushing plate 524 and the second pushing plate 525, when the first pushing plate 524 is moved by the pushing force of the pushing shaft 521, the buffer spring gives an opposite acting force to the first pushing plate 524, and in the rotation process of the fan blade 140, the buffer spring also gives a counter acting force to the first pushing plate 524 and the second pushing plate 525, so that the swing of the fan blade 140 is more stable, and the angle adjustment is more accurate.

The position of the rotating shaft 522 for installing the fan blade 140 can be determined according to practical application occasions, and the swing amplitude of the fan blade 140 can be adjusted by setting different installation positions of the fan blade 140 and the rotating shaft 522 so as to meet different adjustment requirements of the fan blade 140 and improve the practicability of the fan.

In this embodiment, all the fan blades 140 accommodated in the fan housing 130 are connected to the rotating shaft 522 and driven by the rotating shaft 522 to swing simultaneously, so as to improve the angle adjustment efficiency of the fan blades 140 and ensure the angle uniformity of the fan blades 140 and the uniformity of the fan outlet air.

Second embodiment

Referring to fig. 11, the difference between the present embodiment and the first embodiment is that the rotating assembly 540 in the present embodiment includes a thrust plate 541 and a moving plate 542, the thrust plate 541 is connected to the flat bearing 512 and moves under the pushing of the flat bearing 512, the thrust plate 541 is connected to the moving plate 542 to enable the moving plate 542 to move along with the thrust plate 541, the surface of the rotating shaft 543 is attached to the surface of the moving plate 542 and rotates under the driving of the moving plate 542, the fan blades are connected to the rotating shaft 543 and rotate along with the rotating shaft 543 to realize the angle change of the fan blades,

specifically, a sliding shaft 544 is arranged on one side of the moving plate 542 close to the thrust plate 541, a slider 545 is arranged on one side of the thrust plate 541 close to the moving plate 542, the sliding shaft 544 is connected with the slider 545, and the slider 545 can move along with the rotation of the sliding shaft 544 to drive the moving plate 542 to move, so that the rotating shaft 543 moves along with the moving plate 542, and the angle adjustment of the fan blades is realized.

an inclined sliding groove 546 is formed in the slider 545, the sliding shaft 544 is accommodated in the sliding groove 546, and when the slider 545 moves along with the thrust plate 541, the sliding shaft 544 moves along the sliding groove 546, so that the sliding shaft 544 drives the moving plate 542 to move, and the horizontal movement of the thrust plate 541 and the vertical movement of the moving plate 542 are converted. The moving plate 542 and the rotating shaft 543 are provided with mutually engaged gear teeth, so that during the moving process of the moving plate 542 along the vertical direction, the rotating shaft 543 rotates along the surface of the moving plate 542 along with the moving of the moving plate 542, and the rotating process of the rotating shaft 543 drives the fan blades to rotate, so that the fan blades swing.

a return spring 547 is further disposed between the thrust plate 541 and the moving plate 542, two ends of the return spring 547 respectively abut against the thrust plate 541 and the moving plate 542, a moving space for the return spring 547 to expand and contract and a moving space for the relative movement between the slider 545 and the sliding shaft 544 are disposed between the thrust plate 541 and the moving plate 542, and when the thrust plate 541 and the moving plate 542 move relatively, the return spring 547 provides a reverse acting force to the thrust plate 541 and the moving plate 542, so as to improve the stability of the swinging of the fan blades and the accuracy of angle adjustment.

The transmission of motion between the thrust assembly and the rotating assembly 540 is realized through different rotating assemblies 540, the effect of fan blade swing is achieved, and the diversity of the fan structure is improved.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims (10)

1. A fan, comprising;

The fan blades are contained in the fan cover, and are connected with the power device and driven by the power device to rotate so as to form airflow;

The head shaking device is connected with the fan cover and drives the fan cover to swing;

The detection device comprises a separation blade and a detection body, the head shaking device is connected with the separation blade, the separation blade is driven by the head shaking device to move, and the detection body is used for measuring the position of the separation blade;

The swinging device comprises a power element and a rotating shaft, the fan blades are connected with the rotating shaft, and the rotating shaft is driven by the power element to rotate and drive the fan blades to swing based on the rotating shaft.

2. The fan according to claim 1, wherein the oscillating device comprises a driving element, a first transmission body and a second transmission body, the first transmission body is connected with the second transmission body, the first transmission body is driven by the driving element to rotate and drive the second transmission body to rotate, the second transmission body is connected with the blocking piece, the blocking piece and the detecting piece are arranged alternately, and the detecting piece is located in the detecting piece or the current position of the blocking piece is identified when the blocking piece rotates to the position where the detecting piece is located in the detecting piece.

3. the fan as claimed in claim 2, wherein the blocking plate includes a base, the blocking portions are protruded outwardly based on an edge of the base and are arranged at intervals along the edge of the base by a circle, and the detecting portion is formed between adjacent blocking portions.

4. The fan as claimed in claim 1, wherein the swinging device further comprises a rotating assembly and a thrust assembly, the rotating assembly comprises a moving plate, the moving plate is connected with the thrust assembly and moves under the driving of the thrust assembly, and the rotating shaft is connected with the moving plate and can rotate along the moving plate along with the movement of the moving plate, so that the fan blades swing based on the rotating shaft.

5. The fan as claimed in claim 4, wherein a sliding shaft is disposed on a side of the moving plate away from the rotating shaft, the rotating assembly further comprises a sliding block connected to the thrust assembly, an inclined sliding slot is disposed in the sliding block, and the sliding shaft is received in the sliding slot and driven by the sliding block to move along the sliding slot, so that the moving plate drives the rotating shaft to rotate.

6. The fan as claimed in claim 5, wherein the rotating assembly further comprises a push plate and a return spring, the push plate is connected to one end of the slider away from the moving plate, the return spring is located between the push plate and the moving plate, and two ends of the return spring respectively abut against the push plate and the moving plate.

7. The fan according to claim 4, wherein the rotating assembly comprises a rotating body and a thrust plate, the thrust plate and the moving plate are respectively connected to two ends of the rotating body, the rotating body can rotate relative to the thrust plate and the moving plate, a buffer spring is arranged between the thrust plate and the moving plate, and two ends of the buffer spring respectively abut against the thrust plate and the moving plate.

8. The fan according to claim 1, further comprising an anion module, wherein the anion module comprises a first conductor and a second conductor, and anions generated between the first conductor and the second conductor pass through the second conductor to follow an airflow formed by the fan blades.

9. The fan according to claim 1, further comprising a filter screen assembly, wherein the filter screen assembly comprises a filter screen framework and a filter screen body, the filter screen body is provided with filter screen holes for air to pass through, the filter screen framework is mounted on the fan cover, a positioning frame is arranged on the edge of the filter screen body, the positioning frame is provided with a plurality of positioning holes, the filter screen framework is provided with positioning columns, the end portions of the positioning columns are provided with convex portions which are convex relative to the edges of the positioning columns, and the convex portions can be clamped into the positioning holes.

10. The fan according to claim 1, further comprising a hood, a support column and a column assembly, wherein the fan cover is mounted on the hood, the hood is connected with the support column through the column assembly, the column assembly comprises a plurality of flat columns, a ventilation cavity is formed between every two adjacent columns, an accommodating cavity for accommodating the fan blades is formed inside the fan cover, the ventilation cavity is communicated with the accommodating cavity, and air can pass through the ventilation cavity and enter the accommodating cavity.