CN102251971A - Cross-flow fan - Google Patents
Cross-flow fan Download PDFInfo
- Publication number
- CN102251971A CN102251971A CN2010101739169A CN201010173916A CN102251971A CN 102251971 A CN102251971 A CN 102251971A CN 2010101739169 A CN2010101739169 A CN 2010101739169A CN 201010173916 A CN201010173916 A CN 201010173916A CN 102251971 A CN102251971 A CN 102251971A
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- CN
- China
- Prior art keywords
- fan blade
- positioning ring
- axial
- blade positioning
- fan
- 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.)
- Pending
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a cross-flow fan comprising a first rotary support, a second support and blades. The first rotary support and the second support are respectively provided with a plurality of jacks, and the plurality of jacks are arranged around a common rotary axial line; and the blades are detachably inserted between the first rotary support and the second support through matching with the jacks, wherein the plurality of blades are arranged by surrounding the rotary axial line to form a barrel structure. According to the cross-flow fan disclosed by the invention, the blades and other assemblies are detachably assembled, thus the manufacturing is simplified and the development cycle is shortened.
Description
Technical field
The present invention relates to a kind of axial-flow fan.
Background technique
Adopt the form of injection moulding with the moulding of fan integral molded plastic at present.Fan docks after by the Shooting Technique molding and forming again and is fused to together.For example publication number is the patent " Overflow fan and its manufacturing method and apparatus " of CN1118844A, discloses a kind of cross flow fan, and wherein multiblade impeller global formation, so construction cycle is long, and is inconvenient to make.
Summary of the invention
At the problem that exists in the correlation technique, the object of the present invention is to provide a kind of axial-flow fan, make and the shortening construction cycle with convenient.
For achieving the above object, the invention provides a kind of axial-flow fan, comprise first rotary support, second rotary support, have a plurality of jacks of arranging around common rotational axis separately; And fan blade, by cooperating, removably be interspersed between first rotary support and second rotary support with jack, wherein, a plurality of fan blades are arranged to tubular structure around this rotational axis.
Preferably, first rotary support is the first fan blade positioning ring that is provided with the revolution supporting element, and second rotary support is the second fan blade positioning ring that is provided with rotating shaft, revolution supporting element, rotating shaft and rotational axis coaxial arrangement, wherein, jack is located at respectively on the first fan blade positioning ring, the second fan blade positioning ring.
Preferably, the revolution supporting element is an axle sleeve, and axle sleeve removably is connected with the first fan blade positioning ring, the second fan blade positioning ring respectively with rotating shaft.
Preferably, the first fan blade positioning ring tightens and is connected with the yielding rubber circle, and the periphery of axle sleeve is pressed with the yielding rubber circle and cooperated.
Preferably, an end of rotating shaft is fixedly connected with the rotating shaft fixing frame, and the rotating shaft fixing frame has a plurality of second claws of arranging around rotating shaft, these a plurality of second claws and a plurality of second draw-in groove snap-fit in the circumferential setting of the second fan blade positioning ring.
Preferably, along rotational axis, also be provided with at least one the 3rd fan blade positioning ring between first rotary support and second rotary support, the 3rd fan blade positioning ring and a plurality of fan blades intert and cooperate, and the first fan blade positioning ring, the second fan blade positioning ring, the 3rd fan blade positioning ring structure are identical.
Preferably, fan blade is an alumiaum article.
Preferably, fan blade is arranged as the straight-tooth shape with respect to rotational axis.
Preferably, fan blade tilts to be the helical teeth shape with respect to rotational axis, and has identical true dip direction.
Preferably, fan blade is straight or crooked bars.
The invention has the beneficial effects as follows, compare with the integral molded plastic moulding of prior art that the fan blade of axial-flow fan of the present invention is assembled in the mode that can dismantle separately by interting to cooperate, the present invention is easy to make thus, and the construction cycle is short.Further, rotating shaft, axle sleeve, the disassembly and assembly separately of fan blade positioning ring further facilitate thus and make and the shortening construction cycle.And axial-flow fan of the present invention is that heat-resistant material is made, and is indeformable under the high temperature condition, and do not influence air quantity.
Description of drawings
Fig. 1 is the stereogram 1 of axial-flow fan of the present invention, show first rotary support and with being connected of fan blade;
Fig. 2 is the stereogram 2 of axial-flow fan of the present invention, show second rotary support and with being connected of fan blade;
Fig. 3 shows the amplification stereogram after axle sleeve, axle sleeve fixing frame, the connection of yielding rubber circle;
Fig. 4 is the amplification stereogram of the second fan blade positioning ring, show the jack that cooperates with fan blade and with the draw-in groove of rotating shaft fixing frame snap-fit;
Amplification stereogram after Fig. 5 shows rotating shaft and the rotating shaft fixing frame is connected shows second claw of rotating shaft fixing frame etc.
Embodiment
As depicted in figs. 1 and 2, axial-flow fan of the present invention comprises: first rotary support 1, second rotary support 2 and fan blade 3, wherein, first rotary support 1, second rotary support 2 are arranged to have common rotational axis, a plurality of fan blades 3 are interspersed between first rotary support 1 and second rotary support 2 and around this common rotational axis and are arranged to tubular structure, and promptly a plurality of fan blades 3 are arranged around the rotational axis of axial-flow fan.Because fan blade 3 interts and cooperates with first rotary support 1, second rotary support 2, so each fan blade 3 is knockdown pieces.
Further referring to Fig. 1 and Fig. 2, first rotary support 1 is for being provided with the first fan blade positioning ring 12 of revolution supporting element, the first fan blade positioning ring 12 is along being circumferentially with a plurality of jacks 11, second rotary support 2 is for being provided with the second fan blade positioning ring 22 of rotating shaft 23, wherein, rotating shaft 23 is used to drive axial-flow fan, the second fan blade positioning ring 22 is along being circumferentially with a plurality of jacks 21, the two ends of fan blade 3 are interted with jack 11,21 respectively and are cooperated, the revolution supporting element is an axle sleeve 13 in this enforcement, according to concrete situation, also can replace with minor axis.
In conjunction with Fig. 1 and Fig. 3, removably connecting between the axle sleeve 13 and the first fan blade positioning ring 12 described.The periphery of axle sleeve 13 and yielding rubber circle 15 drive fits, and yielding rubber circle 15 is fastenedly connected by the axle sleeve fixing frame 14 and the first fan blade positioning ring 12.Particularly, axle sleeve fixing frame 14 has a plurality of first claws 141 along circumferential arrangement, the first fan blade positioning ring 12 is along being circumferentially with a plurality of first draw-in grooves, and the snap-fit of first claw 141 and first draw-in groove further can be in axial direction further fixing with axle sleeve fixing frame 14 by bolt; Yielding rubber circle 15 is pressed on the first fan blade positioning ring 12 by axle sleeve fixing frame 14.
Referring to Fig. 4 and Fig. 5, one end of rotating shaft 23 is fixedly connected with rotating shaft fixing frame 26, rotating shaft fixing frame 26 has a plurality of second claws 25 of arranging around rotating shaft 23, second claw 25 has the rake that increases progressively along the gyratory directions of axial-flow fan, the second fan blade positioning ring 22 is along being circumferentially with a plurality of second draw-in groove, 24, the second claws 25 and second draw-in groove, 24 snap-fit.Thus, the rotating shaft 23 that is connected with rotating shaft fixing frame 26 removably is connected with the second fan blade positioning ring 22, rotates with the second fan blade positioning ring 22 when rotating shaft 23 is subjected to driving force.
In addition, referring to Fig. 1 and Fig. 2, between the first fan blade positioning ring 12 and the second fan blade positioning ring 22, also be provided with the 3rd fan blade positioning ring 4, and the 3rd fan blade positioning ring 4 interts with a plurality of fan blades 3 equally and cooperates, each fan blade 3 can be dismantled from axial-flow fan separately thus, note that fan blade 3 is not blocked by the 3rd fan blade positioning ring 4.The structure of the first fan blade positioning ring 12, the second fan blade positioning ring 22, the 3rd fan blade positioning ring 4 is identical.
To sum up, axial-flow fan is that dismountable a plurality of part/parts are assembled.Wherein, axle sleeve 13, rotating shaft 23 constitute two revolution support ends of axial-flow fan, thereby driven by motor rotating shaft 23 can drive this axial-flow fan.
In the present embodiment, fan blade 3 is an alumiaum article, but is not limited to alumiaum article, can be other materials that are subjected to keep behind the warping force torsional deflection.Axle sleeve fixing frame 14 and rotating shaft fixing frame 26 are that working of plastics, rotating shaft 23 and axle sleeve 13 are metalwork.The tubular structure that fan blade 3 constitutes can be straight cylinder or awl tube etc., and the fan blade 3 that constitutes tubular structure can be arranged as helical teeth shape or straight-tooth shape, promptly, fan blade 3 is in tilted layout or is arranged in parallel with respect to rotational axis, fan blade 3 shown in attached Fig. 1 and 2 is arranged as the helical teeth shape, and along inclined.In addition, the structure of fan blade 3 also can be the bars of crooked (for example S type) except illustrated straight list structure.
The installation step of axial-flow fan of the present invention: refill after being fixed in axle sleeve 13 in the yielding rubber circle 15 and be assigned in axle sleeve fixing frame 14; The assembly parts of above-mentioned axle sleeve fixing frame and the rotating shaft 23 that is fixed with rotating shaft fixing frame 26 are assemblied in respectively in the corresponding fan blade positioning ring, to obtain first rotary support 1 and second rotary support 2; Then the 2, the 3rd fan blade positioning ring 4 between first rotary support 1, second revolution is arranged as and has identical rotational axis, the 3rd fan blade positioning ring 4 is located between first rotary support 1 and second rotary support 2, fan blade 3 is inserted first, second, third fan blade positioning ring, and the axial-flow fan of Zhi Zuoing has the fan blade of straight-tooth shape thus.When needs are produced the axial-flow fan with helical teeth shape fan blade, also need to increase and reverse step, promptly, reverse first blade support 1 and second blade support 2 in opposite direction, make fan blade 3 locate around the rotational axis inclination back of axial-flow fan, assemble out the axial-flow fan of required corner thus, it may be noted that this moment, fan blade was to be arranged to tubular structure earlier reverse then.
Compare with the integral molded plastic moulding of prior art, the fan blade of axial-flow fan of the present invention is assembled in the mode that can dismantle separately by interting to cooperate, and the present invention is easy to make thus, and the construction cycle is short.Further, rotating shaft, axle sleeve, the disassembly and assembly separately of fan blade positioning ring further facilitate thus and make and the shortening construction cycle.And axial-flow fan of the present invention is that heat-resistant material is made, and is indeformable under the high temperature condition, and do not influence air quantity.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an axial-flow fan is characterized in that, comprising:
First rotary support (1), second rotary support (2) have a plurality of jacks of arranging around common rotational axis separately; And
Fan blade (3) by cooperating with described jack, removably is interspersed between described first rotary support (1) and second rotary support (2),
Wherein, a plurality of described fan blades (3) are arranged to tubular structure around described rotational axis.
2. axial-flow fan according to claim 1, it is characterized in that, described first rotary support (1) is for being provided with the first fan blade positioning ring (12) of revolution supporting element, described second rotary support (2) is for being provided with the second fan blade positioning ring (22) of rotating shaft (23), described revolution supporting element, rotating shaft (23) and described rotational axis coaxial arrangement, wherein, described jack is located at respectively on the described first fan blade positioning ring (12), the second fan blade positioning ring (22).
3. axial-flow fan according to claim 2 is characterized in that, described revolution supporting element is axle sleeve (13), and described axle sleeve (13) removably is connected with the described first fan blade positioning ring (12), the second fan blade positioning ring (22) respectively with rotating shaft (23).
4. axial-flow fan according to claim 3 is characterized in that, the described first fan blade positioning ring (12) tightens and is connected with yielding rubber circle (15), and the periphery of described axle sleeve (13) is pressed with described yielding rubber circle (15) and cooperated.
5. axial-flow fan according to claim 3, it is characterized in that, one end of described rotating shaft (23) is fixedly connected with rotating shaft fixing frame (26), described rotating shaft fixing frame (26) has a plurality of second claws (25) of arranging around described rotating shaft (23), described a plurality of second claws (25) and a plurality of second draw-in groove snap-fit in the circumferential setting of the described second fan blade positioning ring (22).
6. axial-flow fan according to claim 5, it is characterized in that, along described rotational axis, between described first rotary support (1) and second rotary support (2), also be provided with at least one the 3rd fan blade positioning ring (4), described the 3rd fan blade positioning ring (4) and described a plurality of fan blades (3) intert and cooperate, and the described first fan blade positioning ring (12), the second fan blade positioning ring (22), the 3rd fan blade positioning ring (4) structure are identical.
7. according to claim 1 or 2 described axial-flow fans, it is characterized in that described fan blade (3) is an alumiaum article.
8. axial-flow fan according to claim 7 is characterized in that, described fan blade (3) is arranged as the straight-tooth shape with respect to described rotational axis.
9. axial-flow fan according to claim 7 is characterized in that, described fan blade (3) tilts to be the helical teeth shape with respect to described rotational axis, and has identical true dip direction.
10. according to Claim 8 or 9 described axial-flow fans, it is characterized in that described fan blade (3) is straight or crooked bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101739169A CN102251971A (en) | 2010-05-17 | 2010-05-17 | Cross-flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101739169A CN102251971A (en) | 2010-05-17 | 2010-05-17 | Cross-flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102251971A true CN102251971A (en) | 2011-11-23 |
Family
ID=44979465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101739169A Pending CN102251971A (en) | 2010-05-17 | 2010-05-17 | Cross-flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102251971A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264255A (en) * | 2013-05-09 | 2013-08-28 | 华南理工大学 | Automatic fine machining equipment for machining shaft sleeves of fans |
| CN104895836A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN105240937A (en) * | 2015-10-12 | 2016-01-13 | 珠海格力电器股份有限公司 | Air-conditioner indoor unit and air conditioner |
| CN106855276A (en) * | 2016-12-30 | 2017-06-16 | 宁波奥克斯电气股份有限公司 | The outdoor unit of combined air conditioners |
| CN106885359A (en) * | 2017-03-17 | 2017-06-23 | 广东美的制冷设备有限公司 | Tubular wine wheel, indoor apparatus of air conditioner and air-conditioner |
| CN106895914A (en) * | 2015-12-18 | 2017-06-27 | 无锡市金义博仪器科技有限公司 | Heat abstractor in a kind of spectrometer |
| CN107228406A (en) * | 2017-05-27 | 2017-10-03 | 珠海格力电器股份有限公司 | Ducting assembly and the air-conditioning system with it |
| CN107525246A (en) * | 2017-09-11 | 2017-12-29 | 珠海格力电器股份有限公司 | Fan blade mounting structure and there is its air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1431679A (en) * | 1972-04-12 | 1976-04-14 | Wallman Knut Olof Lennart | Impellers for cross-flow fans |
| US4538963A (en) * | 1983-07-08 | 1985-09-03 | Matsushita Electric Industrial Co., Ltd. | Impeller for cross-flow fan |
| CN1334409A (en) * | 2000-07-19 | 2002-02-06 | 松下电器产业株式会社 | Cross flow fan |
| JP3782898B2 (en) * | 1999-01-13 | 2006-06-07 | シャープ株式会社 | Cross current fan |
| CN201173195Y (en) * | 2007-08-24 | 2008-12-31 | 柯振辉 | Improved transverse-flow type fan structure |
-
2010
- 2010-05-17 CN CN2010101739169A patent/CN102251971A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1431679A (en) * | 1972-04-12 | 1976-04-14 | Wallman Knut Olof Lennart | Impellers for cross-flow fans |
| US4538963A (en) * | 1983-07-08 | 1985-09-03 | Matsushita Electric Industrial Co., Ltd. | Impeller for cross-flow fan |
| JP3782898B2 (en) * | 1999-01-13 | 2006-06-07 | シャープ株式会社 | Cross current fan |
| CN1334409A (en) * | 2000-07-19 | 2002-02-06 | 松下电器产业株式会社 | Cross flow fan |
| CN201173195Y (en) * | 2007-08-24 | 2008-12-31 | 柯振辉 | Improved transverse-flow type fan structure |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264255A (en) * | 2013-05-09 | 2013-08-28 | 华南理工大学 | Automatic fine machining equipment for machining shaft sleeves of fans |
| CN104895836A (en) * | 2014-03-05 | 2015-09-09 | 珠海格力电器股份有限公司 | Cross-flow fan blade and fan |
| CN104895836B (en) * | 2014-03-05 | 2017-11-28 | 珠海格力电器股份有限公司 | Through-flow fan blade and blower fan |
| CN105240937A (en) * | 2015-10-12 | 2016-01-13 | 珠海格力电器股份有限公司 | Air-conditioner indoor unit and air conditioner |
| CN110107957A (en) * | 2015-10-12 | 2019-08-09 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN106895914A (en) * | 2015-12-18 | 2017-06-27 | 无锡市金义博仪器科技有限公司 | Heat abstractor in a kind of spectrometer |
| CN106855276A (en) * | 2016-12-30 | 2017-06-16 | 宁波奥克斯电气股份有限公司 | The outdoor unit of combined air conditioners |
| CN106885359A (en) * | 2017-03-17 | 2017-06-23 | 广东美的制冷设备有限公司 | Tubular wine wheel, indoor apparatus of air conditioner and air-conditioner |
| CN107228406A (en) * | 2017-05-27 | 2017-10-03 | 珠海格力电器股份有限公司 | Ducting assembly and the air-conditioning system with it |
| CN107525246A (en) * | 2017-09-11 | 2017-12-29 | 珠海格力电器股份有限公司 | Fan blade mounting structure and there is its air conditioner |
| CN107525246B (en) * | 2017-09-11 | 2023-07-14 | 珠海格力电器股份有限公司 | Fan blade mounting structure and air conditioner with same |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20111123 |