Air circulation fan
Technical field
The utility model belongs to household appliance technical field, more particularly, to a kind of air circulation fan.
Background technique
Compared with traditional electric fan, air circulation fan can allow wind twist to blow out along certain direction, with
Flabellum agitation, can form spiral column wind.The wind distance that air circulation fan is produced by boasting farther out, has preferable directionality,
Such wind and the contact surface of ambient air are bigger, and the air of surrounding is broken up, and drive more air to participate in room air and follow
Ring accelerates indoor air circulation, to balance room temperature.
For the blowing range for expanding air circulation fan, the oscillating function of head can be added.Air circulation fan or so is shaken at present
It is all mode to be shaken using chassis, but the operation button part of air circulation fan is also on chassis, when an air circulation fan left side when head
When the right side is shaken the head, operation button also moves together, when needing to operate, since operation button is partially in motion state, works as needs
When operation, it can make inconvenient for operation.
Utility model content
The purpose of this utility model is to provide a kind of air circulation fans for being able to solve at least one of above problem.
One aspect according to the present utility model provides a kind of air circulation fan, including head, pedestal, chassis, bracket
And oscillating mechanism, pedestal are set on chassis, oscillating mechanism includes motor, turntable, crank and connecting rod, and motor is fixed under chassis
Side, the output axis connection of crank and motor, one end of connecting rod connect with crank, and the other end is connect with turntable, one end of bracket and
Turntable connection, the other end are connect with head, and pedestal is fixed with turntable, and pedestal is set in the outside of bracket.
The beneficial effects of the utility model are: being equipped with oscillating mechanism, is rotated by motor and drive crank rotation, then passed through
Connecting rod drives turntable rotation, so that driven by rotary disc head is swung, meets the requirement of air circulation fan;Motor is solid
It is scheduled below chassis, therefore, when so that turntable rotating, chassis is remained stationary, and facilitates operation.
In some embodiments, chassis is equipped with key, and key is electrically connected with head, motor.Chassis is kept not as a result,
It is dynamic, facilitate the operation of key.
In some embodiments, air circulation fan further includes chassis lid, and chassis lid is set to the lower section on chassis, and and chassis
It is interlocked.It is equipped with chassis lid as a result, the globality of air circulation fan can be improved.
In some embodiments, head includes front housing, rear shell and fan blade, and front housing is matched with rear shell, before fan blade is set to
Between shell and rear shell, front housing is equipped with fixture block, and rear shell is equipped with card slot, and fixture block can be matched with card slot.Front housing and rear shell are logical as a result,
It crosses fixture block to be cooperated with card slot, therefore, facilitates the dismounting of front housing, to facilitate the cleaning of each relevant portion of head.
In some embodiments, the tie point of connecting rod and turntable is located at the side of center of turntable.Turn thus, it is possible to increase
The amplitude of fluctuation of disk, and then increase the amplitude of fluctuation of head, it drives more air to participate in indoor air circulation, accelerates indoor
Air circulation.
In some embodiments, the side of turntable is equipped with shaft, and chassis is equipped with axis hole, and shaft is matched with axis hole, turns
One end of axis is equipped with mounting groove, and mounting groove outer sheath is equipped with circlip, and the outer diameter of circlip is greater than the internal diameter of axis hole, elasticity
The upper surface of retaining ring and the end face on chassis abut against.As a result, by being equipped with mounting groove, circlip and installation in one end of shaft
Slot cooperation, and the upper surface of circlip and the end face on chassis abut against, and therefore, when so that shaft rotating in axis hole, pass through
The effect of circlip and chassis effectively prevents turntable and moves up and down in rotation, and guarantee turntable can only rotate cannot be upper and lower
It is mobile, it ensure that the fluency of turntable rotation, improve the service life of turntable.
In some embodiments, air circulation fan further includes axle sleeve, and axle sleeve is set on the outside of shaft, is located at shaft and axis
Between hole.It is equipped with axle sleeve as a result, effectively prevents shaft and is directly contacted with axis hole, reduce friction between the two, improve
Smooth degree when shaft rotates, improves the service life on turntable and chassis.
In some embodiments, circlip is located at the lower section of axle sleeve, and the outer diameter of axle sleeve one end is greater than the internal diameter of axis hole,
One end of axle sleeve and the outer end face of axis hole abut against, and circlip is abutted against with axle sleeve outer end face.Thus, it is possible to make elastic gear
The effect for preventing turntable from moving up and down is enclosed, integral assembling structure is simple.
In some embodiments, the side of turntable is equipped with column, and chassis is equipped with sliding slot, and the bottom end of column and sliding slot match
It closes.Stress when passing through the cooperation of column and sliding slot, the stability that turntable can be kept to rotate as a result, and turntable being kept to rotate
Harmony improves the service life of turntable.
In some embodiments, column is equipped with accommodating cavity, is equipped with compressed spring and ball, compressed spring one in accommodating cavity
End is abutted against with accommodating cavity bottom, and the other end is abutted against with ball, and the outer end of ball exceeds the bottom end of column, ball and sliding slot phase
Cooperation.As a result, by the cooperation of ball and sliding slot, can directly contacting to avoid column and sliding slot, when reducing turntable rotation by
The frictional force arrived improves the service life of turntable, and improves the fluency of turntable rotation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the air circulation fan of the utility model;
Fig. 2 is the structural schematic diagram for not installing head section in the air circulation fan of the utility model;
Fig. 3 is the structural schematic diagram of rear shell in the air circulation fan of the utility model;
Fig. 4 is the structural schematic diagram of front housing in the air circulation fan of the utility model;
Fig. 5 is the structural schematic diagram of oscillating mechanism in the air circulation fan of the utility model;
Fig. 6 is the structural schematic diagram at one of visual angle of oscillating mechanism in the air circulation fan of the utility model;
Fig. 7 is the structural schematic diagram that the air circulation fan turntable of the utility model is matched with chassis;
Fig. 8 is the structural representation at one of visual angle that the air circulation fan turntable of the utility model is matched with chassis
Figure;
Fig. 9 is the schematic cross-sectional view of the A-A of Fig. 8;
Figure 10 is the schematic cross-sectional view of the B-B of Fig. 8.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Referring to figs. 1 to Figure 10.Air circulation fan, including head 1, pedestal 2, chassis 3, bracket 4 and oscillating mechanism 5, pedestal 2
On chassis 3, oscillating mechanism 5 includes motor 51, turntable 52, crank 53 and connecting rod 54, and motor 51 is bolted on bottom
3 lower section of disk, one end of the output axis connection of crank 53 and motor 51, connecting rod 54 are connect with crank 53, and the other end and turntable 52 connect
It connects, one end of bracket 4 is connect with turntable 52, and the other end is connect with head 1, and pedestal 2 and turntable 52 are fixed, and pedestal 2 is set in branch
The outside of frame 4.Bracket 4 is bolted on turntable 52, and head 1 is fixed on bracket 4, facilitates head 1 with turntable 52
Realization is shaken the head;The fixed neighboring for being set in turntable 52 of pedestal 2, improves the globality of air circulation fan.
The outer end face on chassis 3 is equipped with key 6, and key 6 is electrically connected with head 1, motor 51.Chassis 3 is protected when in use as a result,
It holds motionless, facilitates the operation of key 6.
The air circulation fan when in use, by the rotation of motor 51, drives crank 53 to rotate, crank 53 passes through connecting rod 54
Turntable 52 is driven to swing, to realize the swing of head fixed on 52 turntables.The air circulation fan structure is relatively simple, peace
Dress is convenient, reduces whole material and assembling cost;Meanwhile when motor 51 drives turntable 52 to be swung, air circulation
The chassis 3 of fan remains stationary, so that the operation button part on chassis 3 also remains stationary, facilitates operation.
Air circulation fan further includes chassis lid 7, and chassis lid 7 is set to the lower section on chassis 3, and is interlocked with chassis 3.As a result,
In the cavity that motor 51 is located at chassis 3 and chassis lid 7 is formed.
Head 1 includes front housing 11, rear shell 12 and fan blade 13, and front housing 11 is matched with rear shell 12, and fan blade 13 is set to front housing 11
Between rear shell 12, front housing 11 is equipped with fixture block 111, and rear shell 12 is equipped with card slot 121, and fixture block 111 can be matched with card slot 121.
To, front housing 11 is cooperated with rear shell 12 by fixture block 111 and the fastening of card slot 121, therefore, facilitate the dismounting of front housing 11,
Facilitate the cleaning of head 1.
The tie point of connecting rod 54 and turntable 52 is located at the side at 52 center of turntable.The connection of connecting rod 54 and turntable 52 as a result,
Point is in eccentric position, and turntable 52 can be made when crank 53 drives lower swing, increase the amplitude of fluctuation of turntable 52, improve
The working efficiency of air circulation fan.
Crank 53 includes the first vertical portion 531, the second vertical portion 532 and horizontal part 533, and the both ends of horizontal part 533 are distinguished
It is connect with the first vertical portion 531 and the second vertical portion 532, the output axis connection of the first vertical portion 531 and motor, the second vertical portion
532 connect with one end of connecting rod 54.In actual use, it is opened up on the first vertical portion 531 and the second vertical portion 532
There is through-hole, the output shaft of motor 51, which is inserted into the through-hole on the first vertical portion 531, to be fixed, and one end insertion second of connecting rod 54 is vertical
It is fixed in through-hole in portion 532, facilitate being connected and fixed for crank 3 and other component, as a result, convenient for the transmitting of the movement of crank 53.
In order to guarantee that crank 53 and motor 51 export the stability of axis connection, the first vertical portion 531 passes through pin shaft 56 and electricity
The output shaft of machine 51 is fixed, and pin shaft 56 runs through the output shaft of the first vertical portion 531 and motor 51, so that the two is tightly fastened.
Connecting rod 54 is arc-shaped, and wherein the arcuate shape of connecting rod 54 is consistent with the arcuate shape of turntable 52, so that turntable 52
In rotation, connecting rod 54 will not interfere turntable 52, simplify the structure of connecting rod 54, and ensure that the normal pendulum of turntable 52
It is dynamic.
The side of turntable 52 is equipped with shaft 521, and chassis 3 is equipped with axis hole 31, and shaft 521 is matched with axis hole 31, shaft 521
One end be equipped with mounting groove 5211,5211 outer sheath of mounting groove is equipped with circlip 8, and the outer diameter of circlip 8 is greater than axis hole 31
Internal diameter, the end face of the upper surface and chassis 3 of circlip 8 abuts against.
Air circulation fan further includes axle sleeve 9, and axle sleeve 9 is set in 521 outside of shaft, between shaft 521 and axis hole 31.
Wherein, axle sleeve 9 is oiliness shaft lining for powder metallurgy, so that shaft 521 plays lubricating action during rotation, reduces shaft 521
Frictional force when rotation makes the head of air circulation fan shake the head more smooth.
Circlip 8 is located at the lower section of axle sleeve 9, and the outer diameter of 9 one end of axle sleeve is greater than the internal diameter of axis hole 31, one end of axle sleeve 9
It is abutted against with the outer end face of axis hole 31, circlip 8 is abutted against with 9 outer end face of axle sleeve.
When in use, shaft 521 rotates the air circulation fan in axis hole 31 as a result, passes through circlip 8 and axle sleeve 9
Close contact, can prevent turntable 52 rotation when move up and down, ensure that the normal rotation of turntable 52, effectively prevent turn
There is stuck phenomenon when rotating in disk 52.
The side of turntable 52 is equipped with column 522, and chassis 3 is equipped with sliding slot 31, and the bottom end of column 522 is matched with sliding slot 31.
Column 522 is an integral molding structure with turntable 52.
Column 522 is equipped with accommodating cavity 523, is equipped with compressed spring 10 and ball 20,10 one end of compressed spring in accommodating cavity 523
It is abutted against with 523 bottom of accommodating cavity, the other end is abutted against with ball 20, and the outer end of ball 20 exceeds the bottom end of column 522, ball
20 match with sliding slot 32.The bounce for passing through compressed spring 10 as a result, ball 20 is pressed on sliding slot 32, to avoid
Column 522 is directly contacted with sliding slot 32, reduces the friction between column 522 and sliding slot 32, avoids the rotation of turntable 52
Failure, to ensure that head is normally shaken the head.In rotation, column 522 rotates turntable 52 along sliding slot 32, maintains turntable 52
The fluency of rotation.
Above-described is only preferred embodiments of the present invention, it is noted that for the ordinary skill of this field
For personnel, without departing from the concept of the present invention, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.