CN207437415U

CN207437415U - Electric fan

Info

Publication number: CN207437415U
Application number: CN201721379762.2U
Authority: CN
Inventors: 李�杰
Original assignee: Weifang Goertek Electronics Co Ltd
Current assignee: Weifang Goertek Electronics Co Ltd
Priority date: 2017-10-24
Filing date: 2017-10-24
Publication date: 2018-06-01
Anticipated expiration: 2027-10-24

Abstract

The utility model discloses a kind of electric fans, and including connector and fan head, fan head includes motor, blade and rotary head device, and one end of motor output shaft is equipped with blade, and rotary head device includes rotary head transmission mechanism and angle adjusting mechanism；Rotary head transmission mechanism includes worm screw, one end of worm screw is connected with motor output shaft, worm engaging has turbine, turbine is coaxially connected with driving gear, and driving gear is engaged with driven gear, and driven gear is coaxially connected with wheel disc by hollow fixing axle, wheel disc is equipped with planetary gear, planetary gear deviates the center of wheel disc, is hingedly connected with swing rod between planetary gear and connector, and the hinge joint of swing rod and planetary gear deviates the center of planetary gear；Angle adjusting mechanism includes the ring gear engaged with planetary gear, and the center of ring gear is connected with adjustment axis, and the end of adjustment axis is equipped with head-shaking switch.In use, swing rod and the hinge joint of planetary gear and the distance of internal tooth circle center can be adjusted as needed, to adjust the swing angle of fan head.

Description

Electric fan

Technical field

The utility model is related to electric fan technical fields.

Background technology

Electric fan is a common electric equipment products for Chinese.Early in 1979 of Initial stages for reform and opening-up, electric wind Fan enters huge numbers of families as " the general favour product " of household electrical appliances.The demand of Chinese market electric fan is updated essentially from family at present With newly-increased two parts of family.Electric fan has tended to saturation in city dweller, and in rural area, resident gathers around being averaged for electric fan There is rate also to reach 77.7%.In recent years, with the popularization of air-conditioning, electric fan industry was once generally considered " setting sun production Industry ".But actually air-conditioning volume is big, expensive, makes one to be susceptible to suffer from air conditioner disease, while power is larger, and power consumption is big, these all make to disappear Expense person is difficult to receive.Electric fan market potential is still huge, recovers since 2003 Chinese electric fan market.

Now on the market, in order to realize that the sustainable of fan shakes the head, the mechanical sustainable electric fan shaken the head uses two more Grade worm and gear and quadric chain are realized.Motor provides power to first order worm gear, and second level worm screw connection four connects The rocking arm of linkage.By the deceleration transmission twice of worm and gear, to reach the rocking arm slow rotation of quadric chain, to promote Fan head or so has shaking the head for rule rate.Average family vertical electric-fan at present, fan head-turned angle is generally in 0-180 ° of model In enclosing, the fan head rotational angle of some industrial vertical electric-fans is in 0-360 ° of scope.But all there are one lack for these electric fans Point：The head of electric fan generally can not arbitrarily adjust the angle, can only the mechanical angle for swinging one 0-180 ° or 0-360 °. By taking family vertical fan as an example, if indoor only have two people, and two people are origin compared with electric fan, into 60 ° of angles And sit, when starting the fan head spinfunction of electric fan, fan head can rotate in the range of 0-180 °, effective operating angle Only 60 ° of degree, 120 ° of additional scopes belong to non-productive work angle, thus cause a large amount of wastes of electric energy.

In addition, summer indoor temperature is high, being air-dried can make human body generate discomfort, and conventional fan can only make interior after starting Air circulation but air humidity can not be increased, this is also a significant drawback of electric fan.

The content of the invention

Technical problem to be solved in the utility model is：There is provided a kind of steering angle adjustable electric fan, which sets There is rotary head device, which according to working environment, can adjust the rotational angle range of fan head.

In order to solve the above technical problems, the technical solution of the utility model is：

Electric fan, including：In the fan head on the connector, the fan head includes electricity for connector and rotational installation Machine, blade and rotary head device, the motor are Dual-output shaft motor, and one end of motor output shaft is fixedly connected with the blade, institute The other end for stating motor output shaft connects the rotary head device, and the rotary head device includes rotary head transmission mechanism and angular adjustment machine Structure；The rotary head transmission mechanism includes worm screw, and one end of the worm screw is fixedly connected with the motor output shaft, and the worm screw nibbles Conjunction has turbine, and the turbine has been fixedly and coaxially connected driving gear, and the driving gear is engaged with driven gear, the driven tooth Wheel has been fixedly and coaxially connected wheel disc by hollow fixing axle, and the wheel disc is equipped with planetary gear, and the planetary gear deviates the wheel The center of disk, is hingedly connected with swing rod between the planetary gear and the connector, the swing rod is hinged with the planetary gear Point deviates the center of the planetary gear；The angle adjusting mechanism includes the ring gear engaged with the planetary gear, described The center of ring gear is fixedly connected with adjustment axis, and the adjustment axis passes through the hollow fixing axle, and the end of the adjustment axis is set There is head-shaking switch.

Preferably, the hinge joint of the swing rod and the planetary gear is located on the axis of the ring gear.

Preferably, the motor output shaft, which rotates, is arranged in motor shaft supporting frame, the motor shaft supporting frame and the company The opposite one side of connector is fixed with shaft, and casing is fixed on the connector, and the shaft, which rotates, is arranged on described sleeve pipe It is interior.

Preferably, the head-shaking switch is equipped with knob and pointer, and electric fan housing is equipped with angle value at the pointer.

Preferably, electric fan is additionally provided with decreasing temperature and increasing humidity device, the decreasing temperature and increasing humidity device include plunger pump, cam mechanism and Piece occurs for steam, and the rear that piece is arranged at the blade occurs for the steam；The cam mechanism is described by the worm drive Plunger pump is driven from the cam mechanism to be realized water suction and piece water supply occurs to the steam.

Preferably, the plunger pump includes the pump housing, partition plate and the pump cover that are sequentially fixed together, is set on the pump cover There are inlet and outlet, the water inlet is equipped with water inlet conical plug, spring and plunger, the both ends of the spring and is respectively supported at On the water inlet conical plug and the plunger, the water outlet is connected to the steam and piece occurs, and the water outlet is equipped with water outlet Conical plug, the partition plate are equipped with straight pipeline, are slidingly and sealingly connected with pump plug in the straight pipeline, are hinged on the pump housing Lever arm, the pump plug are supported in the lever arm and stretch on described in vivo one end of pump, the other end support of the lever arm In on the cam of the cam mechanism.

Preferably, the cam mechanism includes camshaft and the cam being arranged on the camshaft, the cam One end of axis is connected with the worm screw spline, and the other end of the camshaft is equipped with cam clutch mechanism.

Preferably, the steam generation piece is made of blotting paper.The steam occurs on piece and is equipped with multiple through holes.

Preferably, the decreasing temperature and increasing humidity device further includes water tank, and the water tank is arranged on the electric fan, the water inlet It is connected with the water tank.

Preferably, the driving gear, the worm screw, the turbine, the camshaft, the cam, the plunger pump It is respectively positioned in a protective housing.

After employing above-mentioned technical proposal, the beneficial effects of the utility model are：

Since rotary head transmission mechanism includes sequentially connected turbine and worm drive mechanism, gear transmission structure and planetary gear train Structure, motor impart power to wheel disc by this three layers of constitutions, and wheel disc drives planetary gear revolution, and when planetary gear revolution is put The pulling limitation of bar so that planetary gear drives fan head to swing back and forth；Since angle adjusting mechanism includes nibbling with planetary gear The ring gear of conjunction, the center of ring gear are fixedly connected with adjustment axis, and the end of adjustment axis is equipped with head-shaking switch, shakes the head out when pressing Guan Shi, ring gear are engaged with planetary gear, rotate head-shaking switch, and head-shaking switch drives ring gear to rotate by adjustment axis, ring gear Planetary gear is driven to rotate, not only axis of the rotation again around ring gear revolves round the sun planetary gear, the position hair of the hinge joint of swing rod and planetary gear It changes dynamic, the hinge joint and the distance of internal tooth circle center of swing rod and planetary gear change, then the swing angle of fan head occurs When variation, the i.e. hinge joint of swing rod and planetary gear and the distance difference of internal tooth circle center, the pendulum of different fan heads is corresponded to respectively Dynamic angle, unclamps head-shaking switch, and ring gear is no longer engaged with planetary gear, determines the position of the hinge joint of swing rod and planetary gear, i.e., Determine the swing angle of fan head.In actual use, the swing angle of fan head can be adjusted as needed, to meet electric fan Need of work.

Be located at due to the hinge joint of swing rod and planetary gear on the axis of ring gear, then the hinge joint of swing rod and planetary gear with it is interior The center of gear ring does not have eccentric distance, and fan head is not swung, and electric fan is only dried to a direction.

Piece occurs since decreasing temperature and increasing humidity device includes plunger pump, cam mechanism and steam, cam mechanism is by worm drive, column Plug pump is driven realization water suction and piece is occurred to steam and supplied water from cam mechanism；Upon rotation of the blade, the wind-force of generation sends out steam Moisture on raw cook is write freely and easily in air, plays the role of decreasing temperature and increasing humidity.

Description of the drawings

Fig. 1 is the structure diagram of the fan head of the utility model electric fan；

Fig. 2 is the structure diagram that fan head removes after guard, blade in Fig. 1；

Fig. 3 is the structure diagram of rotary head device in Fig. 1；

Fig. 4 is the schematic diagram of rotary head device in Fig. 1；

Fig. 5 is the enlarged structure schematic diagram in A portions in Fig. 1；

Fig. 6 is the configuration schematic diagram of plunger pump in Fig. 1；

In figure：1- connectors；2- rotary head devices；20- planetary gears；21- worm screws；22- turbines；23- driving gears；24- from Moving gear；25- wheel discs；26- ring gears；27- swing rods；The hollow fixing axles of 28-；29- head-shaking switch；291- adjustment axis；292- revolves Button；293- pointers；3- motor shaft supporting frames；31- shafts；4- blades；5- plunger pumps；501- bolts；502- pump covers；503- is intake Mouthful；504- water outlets；505- lever arms；506- nuts；The 507- pump housings；508- pump plugs；509- partition plates；510- plungers；511- bullets Spring；512- water inlet conical plugs；513- water outlet conical plugs；6- motor output shafts；Piece occurs for 7- steam；71- through holes；8- cam machines Structure；81- camshafts；82- cams；83- cam clutch mechanisms；9- motors；10- protective housing；11- casings；12- front mesh enclosures；13- Rear net cover.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain The utility model, and it is not used in restriction the utility model.

As shown in Figure 1, a kind of electric fan, including：Connector 1 and rotational installation are in the fan head on connector 1, fan head 1 is equipped with rotary head device 2, motor 9, blade 4 and decreasing temperature and increasing humidity device.Motor 9 is Dual-output shaft motor, and motor 9 is fixed on electricity In arbor supporting rack 3, the motor output shaft 6 of motor 9 is rotatablely installed on motor shaft supporting frame 3, and one end of motor output shaft 6 is consolidated Dingan County is equipped with blade 4, and the front and rear of blade 4 is respectively equipped with the front mesh enclosure 12 mutually snapped together and rear net cover 13, electricity The other end of machine output shaft 6 is connected with rotary head device 2.Wherein, rotary head device 2 includes rotary head transmission mechanism and angular adjustment machine Structure.

As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 are jointly shown, and rotary head transmission mechanism includes worm screw 21, one end of worm screw 21 and motor One end of output shaft 6 is fixedly connected, and worm screw 21 is engaged with turbine 22, and turbine 22 has been fixedly and coaxially connected driving gear 23, actively Gear 23 is engaged with driven gear 24, and driven gear 24 has been fixedly and coaxially connected wheel disc 25 by hollow hollow fixing axle 28, Wheel disc 25 is equipped with planetary gear 20, and planetary gear 20 deviates the center of wheel disc 25, is hingedly connected between planetary gear 20 and connector 1 The hinge joint of swing rod 27, swing rod 27 and planetary gear 20 deviates the center of planetary gear 20.

Angle adjusting mechanism includes the ring gear 26 that can be meshed with planetary gear 20, and the center of ring gear 26 is fixedly connected with Adjustment axis 291, adjustment axis 291 pass through hollow fixing axle 28, and the end of adjustment axis 291 is equipped with head-shaking switch 29.

Head-shaking switch 29 is spline-Spring Card crash structure, and external splines is respectively equipped in adjustment axis 291 and hollow fixing axle 28 And internal spline, the end of adjustment axis 291 are fixed with knob 292, knob 292 is equipped with pointer 293, and adjustment axis 291 is arranged with Spring, spring supporting is on knob 292 and electric fan housing.In electric fan housing at knob 292, equipped with angle value, with Facilitate adjustment fan head swing angle.

The side surface opposite with connector 1 of motor shaft supporting frame 3 is fixed with shaft 31, is fixed on connector 1 Casing 11, shaft 31, which rotates, to be arranged in casing 11.Fan head swing when, shaft 31 be fan head around swing center of rotation Axis, shaft 31 are also used for supporting the weight of fan head.

Jointly shown with Fig. 5 as shown in Figure 1, Figure 2, decreasing temperature and increasing humidity device is made of paper including plunger pump 5, cam mechanism 8 and by absorbing water Into steam piece 7 occurs, steam occurs piece 7 and is fixed on motor shaft supporting frame 3, and positioned at the rear portion of blade 4, piece 7 occurs for steam It is equipped with multiple through holes 71.

Plunger pump 5 includes sequentially passing through bolt 501, the pump housing 507 that nut 506 is fixed together, partition plate 509 and pump Lid 502.

Pump cover 502 is equipped with water inlet 503 and water outlet 504, and water inlet 503 is connected with water tank, and water tank can be set It on electric fan, can also be arranged at outside electric fan, water outlet 504 is connected to steam and occurs on piece 7, is set at water inlet 503 Have into water conical plug 512, spring 511 and plunger 510, the both ends of spring 511 are respectively supported at into water conical plug 512, plunger 510 On, water outlet conical plug 513 is equipped at water outlet 504.

Partition plate 509 is equipped with straight pipeline, and pump plug 508 is slidingly and sealingly connected in straight pipeline.Pump plug 508, partition plate 509, Annular seal space is collectively formed in pump cover 502, water inlet conical plug 512 and water outlet conical plug 513.

Lever arm 505 is hinged in the pump housing 507, pump plug 508 is supported in lever arm 505 and stretches on one end in the pump housing 507, The other end of lever arm 505 is supported on cam 82.

Cam mechanism 8 includes camshaft 81, and camshaft 81 is fixed with cam 82, and camshaft 81 passes through spline and worm screw 21 It is connected, the end of camshaft 81 is equipped with cam clutch mechanism 83, and cam clutch mechanism 83 is for allowing camshaft 81, worm screw 21 Interior external splines cooperate or be separated from each other.

Jointly shown with Fig. 5 as shown in Figure 1, Figure 2,3 one side of motor shaft supporting frame is fixed with protective housing 10, driving gear 23rd, worm screw 21, turbine 22, camshaft 81, cam 82 and plunger pump 5 are respectively positioned in protective housing 10, and protective housing 10 is used to protect Protect the parts in it.

When electric fan works, motor 9 drives worm screw 21 to rotate, and worm screw 21 drives turbine 22 to rotate, and turbine 22 drives actively Gear 23 rotates, and driving gear 23 drives driven gear 24 to rotate, and driven gear 24 is rotated with runner disc 25, and wheel disc 25 drives row Star-wheel 20 revolves round the sun around the center of wheel disc 25, and planetary gear 20 is limited be subject to the pulling of swing rod 27, and planetary gear 20 drives fan head around set Pipe 11 swings back and forth.

When adjusting fan head swing angle according to environment, knob 292 is pressed, in adjustment axis 291 and hollow fixing axle 28 Inside and outside spline fitted, adjustment axis 291 promote ring gear 26 to be engaged with planetary gear 20, and turn knob 292 to a certain angle value is adjusted Axis 291 drives ring gear 26 to rotate, and ring gear 26 drives planetary gear 20 to rotate, and 20 rotation of planetary gear is simultaneously in ring gear 26 The heart revolves round the sun, the hinge joint shift in position with driven fork 27 Yu planetary gear 20, and the hinge joint of swing rod 27 and planetary gear 20 is apart from internal tooth The distance for enclosing 26 centers changes, and to change swing angle of the fan head around casing 11, unclamps knob, spring pushes out adjustment axis 291, the interior external splines separation in adjustment axis 291 and hollow fixing axle 28, ring gear 26 is separated with planetary gear 20 so that swing rod 27 It is fixed with the hinge joint position of planetary gear 20, the swing angle of fan head is fixed, and fan head is swung according to set angle.

When swing rod 27 and the distance difference at the center of the hinge joint and ring gear 26 of planetary gear 20, fan head is according to different Angle swinging then in actual use, can adjust the swing angle of fan head as needed, to meet the work need of electric fan It will.

If swing rod 27 and the hinge joint of planetary gear 20 are placed exactly on the axis of ring gear 26, swing rod 27 and planetary gear 20 The center of hinge joint and ring gear 26 there is no eccentric distance, then fan head is not swung.

During decreasing temperature and increasing humidity, cam clutch mechanism 83 is manipulated so that camshaft 81, the interior external splines on worm screw 21 cooperate, Worm screw 21 drives camshaft 81 to rotate, and camshaft 81 is rotated with moving cam 82, and lever arm 505 is around the periodically upper bottom of hinge joint It is dynamic.

When one end that 82 activation lever arm 505 of cam is stretched into the pump housing 507 moves downward, pump plug 508 moves downward, close It seals cavity volume to expand, pressure reduces, and under inside and outside differential pressure effect, water inlet conical plug 512, water outlet conical plug 513 are to annular seal space Interior movement, spring 511 compress, and water inlet 503 is opened, and water outlet 504 is closed, and the water in water tank passes sequentially through water inlet 503, column Plug 510 is flowed into annular seal space；When one end that 82 activation lever arm 505 of cam is stretched into the pump housing 507 moves upwards, seal cavity Product reduces, pressure increase, and pressure difference and spring 511 promote water inlet conical plug 512 to move out, the water inlet sealing water inlet of conical plug 512 Mouth 503, pressure difference promote water outlet conical plug 513 to move out, opening water outlet 504, and the water in annular seal space flows to steam and piece 7 occurs On, water is diffused rapidly to steam and each place of piece 7 occurs, and is precipitated on through hole 71；When blade 4 rotates, from blade 4 Rear suction airflow, when air-flow is occurred by through hole 71 and steam on 7 surface of piece, water droplet is converted to steam, and steam is with air-flow stream It moves in air, reduce indoor temperature and improves air humidity, play the role of cooling humidification.

When indoor air humidity is enough, cam clutch mechanism 83 is manipulated, allows camshaft 81, inside and outside on worm screw 21 Spline is separated from each other, and decreasing temperature and increasing humidity device no longer works.

The above is the citing of the utility model preferred forms, wherein the part do not addressed in detail is this field The common knowledge of those of ordinary skill.The scope of protection of the utility model is subject to the content of claim, any to be based on this reality The equivalent transformation carried out with new technical inspiration, also within the scope of protection of the utility model.

Claims

1. electric fan, including：Connector and rotational installation in the fan head on the connector, the fan head include motor, Blade and rotary head device, the motor are Dual-output shaft motor, and one end of motor output shaft is fixedly connected with the blade, the electricity The other end of machine output shaft connects the rotary head device, which is characterized in that the rotary head device includes rotary head transmission mechanism and angle Spend adjusting mechanism；

The rotary head transmission mechanism includes worm screw, and one end of the worm screw is fixedly connected with the motor output shaft, the worm screw Turbine is engaged with, the turbine has been fixedly and coaxially connected driving gear, and the driving gear is engaged with driven gear, described driven Gear has been fixedly and coaxially connected wheel disc by hollow fixing axle, and the wheel disc is equipped with planetary gear, described in the planetary gear deviates The center of wheel disc is hingedly connected with swing rod, the hinge of the swing rod and the planetary gear between the planetary gear and the connector Contact deviates the center of the planetary gear；

The angle adjusting mechanism includes the ring gear engaged with the planetary gear, and the center of the ring gear is fixedly connected There is adjustment axis, the adjustment axis passes through the hollow fixing axle, and the end of the adjustment axis is equipped with head-shaking switch.

2. electric fan as described in claim 1, which is characterized in that the hinge joint of the swing rod and the planetary gear is located at described On the axis of ring gear.

3. electric fan as described in claim 1, which is characterized in that the motor output shaft, which rotates, is arranged on motor shaft supporting frame Interior, the motor shaft supporting frame one side opposite with the connector is fixed with shaft, and set is fixed on the connector Pipe, the shaft, which rotates, to be arranged in described sleeve pipe.

4. electric fan as described in claim 1, which is characterized in that the head-shaking switch is equipped with knob and pointer, electric wind fan case Body is equipped with angle value at the pointer.

5. such as claim 1-4 any one of them electric fans, which is characterized in that electric fan is additionally provided with decreasing temperature and increasing humidity device, institute Stating decreasing temperature and increasing humidity device includes plunger pump, cam mechanism and steam generation piece, and the steam generation piece is arranged at the blade Rear；For the cam mechanism by the worm drive, the plunger pump is driven from the cam mechanism realizes water suction and to described Steam occurs piece and supplies water.

6. electric fan as claimed in claim 5, which is characterized in that the plunger pump includes the pump being sequentially fixed together Body, partition plate and pump cover, the pump cover are equipped with inlet and outlet, and the water inlet is equipped with water inlet conical plug, spring and column Plug, the both ends of the spring are respectively supported on the water inlet conical plug and the plunger, and the water outlet is connected to the water Piece occurs for vapour, and the water outlet is equipped with water outlet conical plug, and the partition plate is equipped with straight pipeline, in the straight pipeline slidingly and sealingly Pump plug is connected with, lever arm is hinged on the pump housing, the pump plug is supported in the lever arm and stretches into the pump in vivo one On end, the other end of the lever arm is supported on the cam of the cam mechanism.

7. electric fan as claimed in claim 6, which is characterized in that the cam mechanism includes camshaft and is arranged at described convex The cam on wheel shaft, one end of the camshaft are connected with the worm screw spline, and the other end of the camshaft is equipped with convex Take turns clutch.

8. electric fan as claimed in claim 5, which is characterized in that the steam occurs piece and is made of blotting paper, the steam Generation on piece is equipped with multiple through holes.

9. electric fan as claimed in claim 6, which is characterized in that the decreasing temperature and increasing humidity device further includes water tank, the water tank On the electric fan, the water inlet is connected with the water tank.

10. electric fan as claimed in claim 9, which is characterized in that the driving gear, the worm screw, the turbine, described Camshaft, the cam, the plunger pump are respectively positioned in a protective housing.