CN104612987A - Draught fan and air conditioner - Google Patents
Draught fan and air conditioner Download PDFInfo
- Publication number
- CN104612987A CN104612987A CN201410835019.8A CN201410835019A CN104612987A CN 104612987 A CN104612987 A CN 104612987A CN 201410835019 A CN201410835019 A CN 201410835019A CN 104612987 A CN104612987 A CN 104612987A
- Authority
- CN
- China
- Prior art keywords
- shaft part
- blower fan
- motor
- shaft
- location piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a draught fan which comprises a motor and a fan wheel. The fan wheel comprises a shaft seat located in the center and blades arranged around the shaft seat. A driving shaft of the motor comprises a first shaft section and a second shaft section, wherein the first shaft section and the second shaft section are sequentially distributed in the direction from the end, away from the motor, of the driving shaft to the motor, a shaft hole penetrating through the shaft seat is formed in the center of the shaft seat, the shaft seat is arranged on the second shaft section in a sleeving mode, the first shaft section at least partially penetrates through the shaft hole, and a vibration reduction sleeve arranged on the second shaft section in a sleeving mode is arranged between the inner wall of the shaft hole and the outer wall of the second shaft section. The draught fan further comprises a noncircular positioning piece with the surface layer made of a vibration reduction material, the side wall of the first shaft section comprises a non-cylindrical surface part, the positioning piece is arranged on the first shaft section in a matched and sleeving mode, a positioning groove matched with the positioning piece is formed in the end face, away from the motor, of the shaft seat, and the positioning piece is clamped in the positioning groove. The invention further discloses an air conditioner. The draught fan and the air conditioner greatly lower the noise generated by operation of the draught fan.
Description
Technical field
The present invention relates to field of air conditioning, particularly relate to blower fan and air conditioner.
Background technique
Along with growth in the living standard, people more and more focus on quality of the life, more and more higher to the requirement of living environment noise.At present, air-conditioning is widely used in every family, and the life of noise to user of air-conditioning impacts, and noise becomes the important parameter of heat pump performance, and therefore, each producer is always in the noise problem constantly improving air-conditioning.The blower fan running of air-conditioning is topmost noise source, the aluminum alloy hole, center of what existing air-conditioned blower fan adopted is fan blade is directly sleeved on the irony axle head of motor, make motor operationally, by the uneven centrifugal force that impact and the wind wheel running of harmonic components in power supply produce, cause the aluminum alloy axis hole rigid collision of irony axle head and fan blade, thus produce very large noise, the life of user is impacted.
Therefore, need badly a kind of blower fan is proposed new departure to reduce the noise of blower fan.
Summary of the invention
Main purpose of the present invention is to propose a kind of blower fan and air conditioner, solves the technical problem that fan operation noise is large.
For achieving the above object, the invention provides a kind of blower fan, described blower fan comprises motor and fan blade, described fan blade comprises the axle bed being positioned at center and the blade arranged around described axle bed, the live axle of described motor comprises the first shaft part and the second shaft part that are distributed successively to the direction of described motor away from one end of described motor by it, the center of described axle bed is provided with the axis hole running through described axle bed, described axle bed is nested with on described second shaft part, described first shaft part is at least partly through described axis hole, the shock-reducing sleeve be nested with on described second shaft part is provided with between the inwall of described axis hole and the outer wall of described second shaft part, described blower fan also comprises the non-circular location piece that top layer is damping material, the sidewall of described first shaft part comprises non-cylinder partial, described location piece adaptation is placed on described first shaft part, described axle bed is provided with the locating slot with described location piece adaptation away from an end face of described motor, and described location piece is stuck in described locating slot.
Preferably, described shock-reducing sleeve is rubber sleeve.
Preferably, the internal layer of described location piece is metal layer.
Preferably, the sidewall of described first shaft part also comprises cylinder partial, and described cylinder partial is provided with screw thread, and described first shaft part is bolted with a locking nut, and described locking nut supports described location piece near one end of described location piece.
Preferably, also pad is provided with between described locking nut and described location piece.
Preferably, the cross section of described first shaft part is D type.
Preferably, described second shaft part is arranged with circular groove section, described shock-reducing sleeve is nested with in described circular groove section, the outer side wall of described shock-reducing sleeve near one end of described motor is provided with the annular flange flange coaxial with described shock-reducing sleeve, and described annular flange flange is clipped in described axle bed near an end face of described motor and described circular groove section between an end face of described motor.
In addition, for achieving the above object, the present invention also provides a kind of air conditioner, and described air conditioner comprises blower fan described above.
Blower fan of the present invention and air conditioner, isolated by shock-reducing sleeve between fan blade axis hole and the live axle of motor, and, location piece and live axle, top layer damping material all by location piece between location piece and axle bed are isolated, therefore, blower fan is in running, and the axis hole of live axle and fan blade can not direct rigid collision, can be cushioned by shock-reducing sleeve, thus greatly reduce the noise of fan operation.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of blower fan preferred embodiment of the present invention;
Fig. 2 is the enlarged diagram of the A position in Fig. 1;
Fig. 3 is the axial sectional view under the assembling condition of blower fan preferred embodiment of the present invention;
Fig. 4 is the enlarged diagram of B position in Fig. 3;
Fig. 5 is the part-structure schematic diagram of live axle in blower fan preferred embodiment of the present invention;
Fig. 6 is the structural representation of shock-reducing sleeve in blower fan preferred embodiment of the present invention;
Fig. 7 is the structural representation of location piece in blower fan preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of blower fan, in conjunction with reference Fig. 1-Fig. 7, in the present embodiment, this blower fan comprises motor 10 and fan blade 20, fan blade 20 comprises the axle bed 21 being positioned at center and the blade (non-label) arranged around axle bed 21, the live axle 11 of motor 10 comprises the first shaft part 111 and the second shaft part 112 distributed successively to the direction of motor 10 away from one end of motor 10 by it, the center of axle bed 21 is provided with the axis hole 211 running through axle bed 21, axle bed 21 is nested with on the second shaft part 112, first shaft part 111 is at least partly through axis hole 211, the shock-reducing sleeve 30 be nested with on the second shaft part 112 is provided with between the inwall of axis hole 211 and the outer wall of the second shaft part 112, blower fan also comprises the non-circular location piece 40 (with reference to figure 4 and Fig. 7) that top layer 41 is damping material, the sidewall of the first shaft part 111 comprises non-cylinder partial S1 (such as plane), namely the cross section of the first shaft part 111 is non-circular, location piece 40 adaptation is placed on the first shaft part 111, namely location piece 40 has and be socketed adaptive through hole 43 with the first shaft part 111, axle bed 21 is provided with the locating slot 212 with location piece 40 adaptation away from an end face of motor 10, and location piece 40 is stuck in locating slot 212.In the present embodiment, being nested with at cross section by location piece 40 is on non-circular first shaft part 111, make location piece 40 follow the first shaft part 111 to rotate together, be stuck in the locating slot 212 with its adaptation by non-circular location piece 40 again, locating slot 212 is rotated together along with location piece 40, namely axle bed 21 rotates together along with positioning cards, thus realizes live axle 11 and drive fan blade 20 to rotate.
The blower fan that the present embodiment proposes, isolated by shock-reducing sleeve 30 between fan blade 20 axis hole 211 and the live axle 11 of motor 10, and, location piece 40 and live axle 11, top layer 41 damping material all by location piece 40 between location piece 40 and axle bed 21 are isolated, therefore, blower fan is in running, the axis hole 211 of live axle 11 and fan blade 20 can not direct rigid collision, can be cushioned by shock-reducing sleeve 30, thus greatly reduce the noise of fan operation, thus reduce the overall noise of the air-conditioning using this blower fan.
The preferred shock-reducing sleeve 30 of the present embodiment is rubber sleeve, and shock-reducing sleeve 30 also can be made for other soft material, and the top layer 41 of location piece 40 is rubber layer or other soft material layers.
Further, with reference to Fig. 7, in the present embodiment, the internal layer 42 of location piece 40 adopts metal layer, thus ensures that location piece 40 has higher intensity, more durable.Certainly, the internal layer 42 of location piece 40 can also be the material layers that other intensity is higher, such as hard plastic material, alloy material etc.
Further, the sidewall of first shaft part 111 of the present embodiment also comprises cylinder partial S2, cylinder partial S2 is provided with screw thread L (with reference to Fig. 5, screw thread L on the present invention first shaft part 111 is not shown in the diagram), first shaft part 111 is bolted with a locking nut 50, locking nut 50 supports location piece 40 near one end of location piece 40.By locking nut 50, location piece 40 is locked in locating slot 212 in the present embodiment, thus live axle 11 is firmly connected with fan blade 20, ensure the normal operation of blower fan.In the present embodiment, also can arrange a pad between locking nut 50 and location piece 40 locking nut 50 and location piece 40 are separated, locking nut 50 is by pushing against pad to be locked in locating slot 212 by location piece 40, by pad, locking nut 50 and location piece 40 are separated, locking nut 50 can be avoided in screwing operations to cause damage to location piece 40 top layer 41.
In the present embodiment, preferably the cross section of the first shaft part 111 is D type is example, and namely the sidewall of the first shaft part 111 comprises a plane (i.e. non-cylinder partial S1) and a cylinder.Certainly, the cross section of the first shaft part 111 can also be other non-circular shape.
Further, with reference to Fig. 5, the present embodiment is arranged with circular groove section 1121 on the second shaft part 112, shock-reducing sleeve 30 is nested with in circular groove section 1121, the outer side wall of shock-reducing sleeve 30 near one end of motor 10 is provided with the annular flange flange 31 coaxial with shock-reducing sleeve 30, and annular flange flange 31 is clipped in axle bed 21 near an end face of motor 10 and circular groove section 1121 between an end face S3 of motor 10.The present embodiment, by shock-reducing sleeve 30 is nested with in circular groove section 1121, avoid in motor 10 runs, the isolated failure caused axis hole 211 and live axle 11 that shock-reducing sleeve 30 slides to motor 10 direction or axle bed 21 slides to motor 10 direction, ensure that axis hole 211 and live axle 11 are effectively isolated by shock-reducing sleeve 30.
The present invention also provides a kind of air conditioner, and this air conditioner comprises blower fan.This blower fan can comprise the technological scheme in above-mentioned any embodiment, and its detailed construction can refer to Fig. 1-Fig. 7, does not repeat at this.Owing to have employed the scheme of aforementioned blower fan, air conditioner of the present invention is compared to existing air conditioner, and the noise that blower fan is running significantly reduces, and the overall noise of air conditioner reduces.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a blower fan, described blower fan comprises motor and fan blade, described fan blade comprises the axle bed being positioned at center and the blade arranged around described axle bed, it is characterized in that, the live axle of described motor comprises the first shaft part and the second shaft part that are distributed successively to the direction of described motor away from one end of described motor by it, the center of described axle bed is provided with the axis hole running through described axle bed, described axle bed is nested with on described second shaft part, described first shaft part is at least partly through described axis hole, the shock-reducing sleeve be nested with on described second shaft part is provided with between the inwall of described axis hole and the outer wall of described second shaft part, described blower fan also comprises the non-circular location piece that top layer is damping material, the sidewall of described first shaft part comprises non-cylinder partial, described location piece adaptation is placed on described first shaft part, described axle bed is provided with the locating slot with described location piece adaptation away from an end face of described motor, and described location piece is stuck in described locating slot.
2. blower fan as claimed in claim 1, it is characterized in that, described shock-reducing sleeve is rubber sleeve.
3. blower fan as claimed in claim 1, it is characterized in that, the internal layer of described location piece is metal layer.
4. blower fan as claimed in claim 1, it is characterized in that, the sidewall of described first shaft part also comprises cylinder partial, and described cylinder partial is provided with screw thread, described first shaft part is bolted with a locking nut, and described locking nut supports described location piece near one end of described location piece.
5. blower fan as claimed in claim 4, is characterized in that, be also provided with pad between described locking nut and described location piece.
6. blower fan as claimed in claim 1, it is characterized in that, the cross section of described first shaft part is D type.
7. the blower fan according to any one of claim 1-6, it is characterized in that, described second shaft part is arranged with circular groove section, described shock-reducing sleeve is nested with in described circular groove section, the outer side wall of described shock-reducing sleeve near one end of described motor is provided with the annular flange flange coaxial with described shock-reducing sleeve, and described annular flange flange is clipped in described axle bed near an end face of described motor and described circular groove section between an end face of described motor.
8. an air conditioner, is characterized in that, described air conditioner comprises blower fan according to any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835019.8A CN104612987B (en) | 2014-12-26 | 2014-12-26 | Blower fan and air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410835019.8A CN104612987B (en) | 2014-12-26 | 2014-12-26 | Blower fan and air-conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612987A true CN104612987A (en) | 2015-05-13 |
| CN104612987B CN104612987B (en) | 2017-07-07 |
Family
ID=53147590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410835019.8A Active CN104612987B (en) | 2014-12-26 | 2014-12-26 | Blower fan and air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612987B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202318A (en) * | 2015-09-18 | 2015-12-30 | 无锡泓瑞航天科技有限公司 | Lengthening-shaft motor vibration-reducing supporting device |
| CN106704204A (en) * | 2015-07-24 | 2017-05-24 | 浙江三花汽车零部件有限公司 | Electronic pump |
| CN108825539A (en) * | 2018-08-16 | 2018-11-16 | 袁毛毛 | A kind of bladeless fan with purification function |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS62158197U (en) * | 1986-03-28 | 1987-10-07 | ||
| JPH03102094U (en) * | 1990-02-01 | 1991-10-24 | ||
| JP5171544B2 (en) * | 2008-10-27 | 2013-03-27 | 三菱電機株式会社 | Blower |
| CN203348142U (en) * | 2013-06-26 | 2013-12-18 | 成纶企业股份有限公司 | Electric fan blade damping and silencing structure |
| CN203584868U (en) * | 2013-11-13 | 2014-05-07 | 宁波市鸿博机械制造有限公司 | Vane pump shaft |
-
2014
- 2014-12-26 CN CN201410835019.8A patent/CN104612987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62158197U (en) * | 1986-03-28 | 1987-10-07 | ||
| JPH03102094U (en) * | 1990-02-01 | 1991-10-24 | ||
| JP5171544B2 (en) * | 2008-10-27 | 2013-03-27 | 三菱電機株式会社 | Blower |
| CN203348142U (en) * | 2013-06-26 | 2013-12-18 | 成纶企业股份有限公司 | Electric fan blade damping and silencing structure |
| CN203584868U (en) * | 2013-11-13 | 2014-05-07 | 宁波市鸿博机械制造有限公司 | Vane pump shaft |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704204A (en) * | 2015-07-24 | 2017-05-24 | 浙江三花汽车零部件有限公司 | Electronic pump |
| US10590936B2 (en) | 2015-07-24 | 2020-03-17 | Zhejiang Sanhua Automotive Components Co., Ltd. | Electrically driven pump and method for manufacturing the same |
| CN105202318A (en) * | 2015-09-18 | 2015-12-30 | 无锡泓瑞航天科技有限公司 | Lengthening-shaft motor vibration-reducing supporting device |
| CN108825539A (en) * | 2018-08-16 | 2018-11-16 | 袁毛毛 | A kind of bladeless fan with purification function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612987B (en) | 2017-07-07 |
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