CN2049287U - Gentle breeze compact type ceiling fan - Google Patents
Gentle breeze compact type ceiling fan Download PDFInfo
- Publication number
- CN2049287U CN2049287U CN 89207608 CN89207608U CN2049287U CN 2049287 U CN2049287 U CN 2049287U CN 89207608 CN89207608 CN 89207608 CN 89207608 U CN89207608 U CN 89207608U CN 2049287 U CN2049287 U CN 2049287U
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- Prior art keywords
- starting
- ceiling fan
- gentle breeze
- thread
- flabellum
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Abstract
The utility model discloses a movable gentle breeze compact type ceiling fan of which three fan blades are driven by a permanent-magnet external rotor and a pawl pole inner stator micro synchronous electric motor with soft wind force. The utility model adopts a simple dependable unidirectional self-starting mechanism with starting screw thread on the basis of having the advantages of less power consumption, high safety, touchable fan blades, etc. A proofing electrical shock protection method adopts the two classes electrical appliance structure of full cabinet, non protective earthing and reinforced insulation; also adopts the structure of altering the mounting angle of the fan blades for adjusting air quantity. The forenamed methods makes the gentle breeze compact type ceiling fan obtain further improvement.
Description
The utility model relates to the small-sized ceiling fan of gentle breeze of a kind of movably permanent-magnetic outer rotor, three flabellums of pawl molecular micro synchronous motor driving extremely decided at the higher level but not officially announced; it comprises following several structure characteristic: adopt the starting screw thread to do directed self-starting; adopt two electric appliances structures as the electrocution-proof protection mode, adopt the change flabellum to facing the wind the angle to adjust air quantity.
Existing drive the small-sized ceiling fan of gentle breeze of three flabellums, series of advantages such as have that air quantity is soft, little power consumption, flabellum can touch with permanent-magnetic outer rotor, pawl utmost point inner stator micro synchronous motor.In the invention bulletin book of Chinese patent, a kind of CN85102741 of being numbered, the title miniature small-sized ceiling fan for the small electric fan of weathering zone self-starter " exchange, " was disclosed in 86 years, it adopts two starting levers of dual torsion spring band, with starting the little stator of rotary inertia earlier, restart the starting mechanism of the big external rotor of band flabellum rotary inertia, its deficiency is: the comparatively complicated and starting lever of structure exposes.It is 88211697.5 Chinese patent product of the same type that number of patent application was arranged again in 88 years, its starting mechanism is that single torsion spring does not have balancing pole, its essence is 85102741 simplification, but fail to start sometimes, even back-to-back starting, need to dial the help starting,, also reduced start-up function though it has simplified starting mechanism with hand.Recently on the market product of the same type that a kind of Camel being marked as " applied for Chinese patent " appears again, its starting mechanism is also used dual torsion spring, but do not use starting lever, two torsion spring parameters change to some extent, its starting box diameter is bigger, its rotary inertia has played 85102741 starting lever, and it is comparatively complicated that its shortcoming is still starting structure.More than three kinds of miniature small-sized ceiling fans that movably adopt similar micro synchronous motor of the same type electric appliances of all adopting band ground fault protection pin to get an electric shock by ground connection preventing; their motor housing (have also comprise suspension rod) all is to have only basic insulation; from power line, introduce the protective grounding lead and rely on; the protective grounding lead may be brought atmosphere voltage into; serious electric shock accidents such as be easy to generate imperfect earth, misconnection, misplug, this is the very big shortcoming of a portable electric appliances.
More than three kinds of products all can not adjust air quantity.
The purpose of this utility model is to avoid deficiency in the above-mentioned prior art and novel product that a kind of practicality is provided.
The purpose of this utility model can reach by following measure:
A. its directed self-starting mechanism is made up of starting screw thread on inner stator hollow shaft and the suspension rod and soft washer therebetween, and soft washer has the effect at balance elasticity, buffering and the optimum interval of maintenance,
B. its shell is made for plastics entirely, and its electrocution-proof protection mode is two class formations,
C. its fan head is gone up by the lug of adorning flabellum and be can be made into one group three or two groups six, and different inclination angles is made on two planes up and down of every group of lug, makes flabellum obtain two kinds or four kinds of different angles that facing the wind, thereby obtains two kinds or four kinds of different air quantity.
The purpose of this utility model can also reach by following measure:
1. its starting screw thread is multi-thread square or trapezoidal;
2. the internal thread of above-mentioned starting screw thread is made of plastic, and its thread is thicker than the metal external thread of its engagement, with the wearing and tearing of compensation plastics.
Accompanying drawing is the plan view of the small-sized ceiling fan of the utility model gentle breeze.
The utility model is described in further detail for embodiment below in conjunction with accompanying drawing:
10～18 barium iron oxygen permanent magnets ［ 3 ］ that fan head ［ 1 ］ is alternately arranged by N, the S utmost point by permanent-magnetic outer rotor ［ 2 ］ are bonded on the outer magnetic loop ［ 4 ］, and embedding is annotated in cabinet ［ 5 ］.
Cover ［ 6 ］ respectively has one group three the 120 ° uniform lugs that connect into integral body with screw, nut, packing ring on cabinet ［ 5 ］ and the plastics, on last cover ［ 6 ］ three lugs or casing ［ 5 ］ three lugs below, fastening three flabellums ［ 7 ］, two contact planes up and down of fastening flabellum ［ 7 ］ are made different inclination angles, thereby can obtain two kinds of different air quantity.As one group of three lug being increased to 60 ° of two groups of uniform six lugs, and one group of three lug that will increase newly make other two kinds of different inclination angles, also can obtain other two kinds of different air quantity.
A rotating shaft ［ 8 ］ is being annotated in the place's embedding of plastic shell ［ 5 ］ inner face central axis, rotating shaft ［ 8 ］ is through in inner stator bearing screw ［ 9 ］ endoporus that lining is housed, in rotating shaft ［ 8 ］ upper end circlip for shaft is housed, in case spline axle ［ 8 ］ and external rotor ［ 2 ］ fall.
Inner stator bearing screw ［ 9 ］ is contained in the inner stator hollow shaft ［ 10 ］, screwing of bearing screw, the inner stator ［ 16 ］ of will comprise interior magnetic loop ［ 11 ］, go up the lower claw utmost point ［ 12 ］, the coil ［ 13 ］ of band thermosetting plastics skeleton being formed compresses.
The wire outlet hole that two projections are arranged on the plastic skeleton is added with lead wire ［ 14 ］ fiberglass sleeve and through fixing to pass.
Inner stator hollow shaft ［ 10 ］ is gone up removable mounting and soft washer ［ 15 ］, and hollow shaft ［ 10 ］ is meshed with plastics suspension rod ［ 17 ］ by screw thread.These three other parts are finished the starting of the micro synchronous motor of band flabellum ［ 7 ］.Starting process is as follows:
After the motor energising, produce the magnetic pulsating between magnetic pole, the reverse self blocking of screw pair makes the magnetic pulsating produce directional starting.Because external rotor ［ 2 ］ rotary inertia of band flabellum ［ 7 ］ is much larger than inner stator ［ 10 ］, thereby inner stator ［ 10 ］ is earlier to starting in the other direction.Instantaneous generation is led synchronously into moment between the magnetic pole of inner stator ［ 10 ］ starting back, makes inner stator ［ 10 ］ continue counterrotating, and promotes the starting of external rotor ［ 2 ］ forward.The rotation of inner stator ［ 10 ］, drive external rotor ［ 2 ］ connects flabellum ［ 7 ］ integral body and rises along helical, gravity countertorque and inertia countertorque have been produced, it is more and more fast to impel external rotor ［ 2 ］ to be rotated in the forward, and inner stator ［ 10 ］ counterrotating is more and more slow, to external rotor ［ 2 ］ when reaching stabilized (steady-state) speed, inner stator ［ 10 ］ no longer rotates.The gravitational moment that at this moment whole fan head ［ 1 ］ flabellum ［ 7 ］ produces balances each other with the moment of elasticity of synchronous electromagnetic torque and soft washer ［ 15 ］, and ceiling fan enters steady running, proceed-to-send.
After the electric fan stall, the external rotor ［ 2 ］ of inertia rotation is taken back position of rest with inner stator ［ 10 ］.Soft washer ［ 15 ］ also plays buffering and keeps optimum interval except that above-mentioned balance elastic reaction.The starting screw thread is multi-thread square or trapezoidal, and internal thread forms with plastic injection-moulded, and its thread is thicker than its outside thread that is meshed, with the wearing and tearing of compensation plastics.The shortcoming of above-mentioned starting mechanism is only to be applicable to vertically arranged ceiling fan, and can not be used for the electric fan that level is installed.
The top of plastics suspension rod ［ 17 ］ is connecting coupling ［ 18 ］ with screw thread and binder, goes up removable mounting at coupling ［ 18 ］ and Yangtze River Delta shape chromium plating steel suspension hook ［ 19 ］, though suspension hook is a metal part in addition, meets two electric appliances requirements by GB4706.1.
With suspension hook ［ 19 ］ on 90 ° the coupling ［ 18 ］, buriedly go into lock screw, fastening the insulation pressing of power line, fastening the two core power-line ［ 20 ］ that has sheath, the end of power line ［ 20 ］ connecting can not reclosing two core flat pin plugs ［ 21 ］.
Electrocution-proof protection mode of the present utility model is two class formations, must meet State Standard of the People's Republic of China GB4706.1-84 " safety general of family expenses and similar applications electrical equipment requires ", and this NBS is an adopting by equivalent IEC international standard.The major character that this product belongs to two electric appliances is:
Plug and power line be without protective grounding, and with two core RVV and two flat pin non rewirable plugs.The power line outlet port is fixed with collets.Thereby eliminated the hidden danger of bringing with ground wire;
The exposed parts of electric fan, except that tiny part in addition has the reinforced insulation level to meet the standard-required, the casing of motor, last cover and suspension rod etc. all adopt plastics to make, and constitute all insulation shell construction;
Double insulatedly withstand voltagely be: superinsulation 2500V, basic insulation 1250V.Reinforced insulation and whole withstand voltage 3750V.
Significantly, permanently indicate that two class formation symbols " return ";
Creep age distance, electric clearance, insulation break-through distance and other all need meet the requirement of GB4706.1-84 two electric appliances about test requirements document and test method, sign etc.
Most preferred embodiment of the present utility model now is that the flabellum external diameter that the atomic type synchronous motor of permanent magnetism, external rotor, the pawl of 3 to 5 watts of 16 utmost points, 375 rev/mins, input power drives is 400 millimeters of φ, and air quantity is 12～18M
3/ minute the little ceiling fan of gentle breeze.According to the technical program, can be made into 10～20 utmost points, 600～300 rev/mins, φ 200 to φ 500, import the little ceiling fan of gentle breeze of 2～10 watts all size.
The utility model compared with prior art has the following advantages:
1. starting is rapid, steady, and starting mechanism is simpler;
2. improved the electrocution-proof protection ability;
3. can there be level to adjust air quantity with the mode of adjusting the flabellum established angle.
Claims (3)
1, the small-sized ceiling fan of a kind of gentle breeze, form of the present utility model being characterised in that by the micro synchronous motor driving flabellum [7] that permanent-magnetic outer rotor [2], pawl utmost point inner stator [16] are formed:
A. its directed self-starting mechanism is made up of starting screw thread on inner stator hollow shaft [10] and the suspension rod [17] and soft washer [15] therebetween,
B. its shell is made for plastics entirely, and its electrocution-proof protection mode is two class formations,
C. its fan head [1] is gone up by the lug of dress flabellum [7] and is made one group three or two groups six, and different inclination angles is made on two planes up and down of every group of lug, makes flabellum [7] obtain two kinds or four kinds of different angles that facing the wind.
2,, it is characterized in that its starting screw thread is multi-thread square or trapezoidal by the small-sized ceiling fan of the described gentle breeze of claim 1.
3, by the described starting screw thread of claim 2, it is characterized in that internal thread makes with plastic injection-moulded, its thread is thicker than the metal external thread of its engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207608 CN2049287U (en) | 1989-05-17 | 1989-05-17 | Gentle breeze compact type ceiling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89207608 CN2049287U (en) | 1989-05-17 | 1989-05-17 | Gentle breeze compact type ceiling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2049287U true CN2049287U (en) | 1989-12-13 |
Family
ID=4864438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89207608 Withdrawn CN2049287U (en) | 1989-05-17 | 1989-05-17 | Gentle breeze compact type ceiling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2049287U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201921A (en) * | 2015-09-11 | 2015-12-30 | 广东顺德量磁电气有限公司 | Fan blade mounting structure and ceiling fan comprising same |
| CN105201893A (en) * | 2015-09-11 | 2015-12-30 | 广东顺德量磁电气有限公司 | Ceiling fan flange and ceiling fan provided with same |
| CN107313961A (en) * | 2017-08-17 | 2017-11-03 | 江门市新会区华利电器有限公司 | It is a kind of coaxial to turning electric ceiling |
| CN107542679A (en) * | 2016-06-28 | 2018-01-05 | 上海科整电气科技有限公司 | A kind of insertion slot type variable speed fan |
| CN107542678A (en) * | 2016-06-28 | 2018-01-05 | 上海科整电气科技有限公司 | A kind of two-layer equation variable speed fan |
| CN108339427A (en) * | 2018-03-08 | 2018-07-31 | 佛山市熙华科技有限公司 | A kind of agitating device |
-
1989
- 1989-05-17 CN CN 89207608 patent/CN2049287U/en not_active Withdrawn
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201921A (en) * | 2015-09-11 | 2015-12-30 | 广东顺德量磁电气有限公司 | Fan blade mounting structure and ceiling fan comprising same |
| CN105201893A (en) * | 2015-09-11 | 2015-12-30 | 广东顺德量磁电气有限公司 | Ceiling fan flange and ceiling fan provided with same |
| CN105201921B (en) * | 2015-09-11 | 2017-09-12 | 广东顺德量磁电气有限公司 | A kind of flabellum mounting structure and the ceiling fan with the flabellum mounting structure |
| CN105201893B (en) * | 2015-09-11 | 2018-01-12 | 广东顺德量磁电气有限公司 | A kind of ceiling fan flange and the ceiling fan with the flange |
| CN107542679A (en) * | 2016-06-28 | 2018-01-05 | 上海科整电气科技有限公司 | A kind of insertion slot type variable speed fan |
| CN107542678A (en) * | 2016-06-28 | 2018-01-05 | 上海科整电气科技有限公司 | A kind of two-layer equation variable speed fan |
| CN107313961A (en) * | 2017-08-17 | 2017-11-03 | 江门市新会区华利电器有限公司 | It is a kind of coaxial to turning electric ceiling |
| CN108339427A (en) * | 2018-03-08 | 2018-07-31 | 佛山市熙华科技有限公司 | A kind of agitating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |