CN103982448B - A kind of ultra-fine long cross-flow fan structure - Google Patents
A kind of ultra-fine long cross-flow fan structure Download PDFInfo
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- CN103982448B CN103982448B CN201410208452.9A CN201410208452A CN103982448B CN 103982448 B CN103982448 B CN 103982448B CN 201410208452 A CN201410208452 A CN 201410208452A CN 103982448 B CN103982448 B CN 103982448B
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Abstract
A kind of ultra-fine long cross-flow fan structure, belongs to ventilating machinary technical field, comprises air channel, more than 2 elongated impellers and more than 1 elongated impeller connection set, front end bearing support assemblies, steel shaft assembly A, axle and is subject to rubber A and motor; Elongated impeller connection set comprises axle by rubber B, bearings connection part and steel shaft assembly B; Bearings connection part comprises bearing B, bearing support B and support and connection plate, and described bearing support B comprises center hole B, and center hole B is through hole; Steel shaft assembly B comprises axle sleeve B, connecting plate B and steel axle B, and axle is provided with center hole Bb by rubber B; Axle is arranged in the rear end of front elongated impeller by rubber B, and steel shaft assembly B is arranged in the front end of rear elongated impeller; Being located in the middle part of steel axle B rolls in center hole B, with bearing support B is connected, steel axle B front portion and center hole Bb secure fit; The invention has the beneficial effects as follows: super elongate conduit balanced ventilation can be provided, be widely used in the occasions such as the cultivation of bacterium mushroom, kitchen range air curtain and long narrow curtain ventilation.
Description
Technical field
The present invention is a kind of cross-flow fan structure, and particularly the ultra-fine long cross-flow fan structure of one, belongs to ventilating machinary equipment technical field.
Background technique
In industrial and agricultural production and people's daily life, general list group slim-lined construction cross flow fan, as shown in Fig. 1-1 to Fig. 1-2, can not meet the occasion that people's needs in activity in production and social life provide super elongate conduit to blow.As in mushroom breeding process, usually need to ventilate to the mushroom seedling in a row cultivated with slender type cross flow fan, much have aperture slender pipe often arranging mushroom seedling is provided with, every root thin conduit correspondence is provided with 1 slender type cross-flow fan impeller, is concentrated to wind by a centrifugal blower.The slender type cross-flow fan impeller adopted is integral wheel, and comprise shroud, hub disk, some mid-games and fan blade group, rear end is connected with motor by rubber by axle.As shown in Figure 6, the slender type cross flow fan of said structure is line style distribution by the wind longitudinal section that the aperture on slender pipe is sent, owing to often putting uneven to monsoon intensity in rip cutting plane, make the moisture that absorbs in bacterium mushroom growing process inconsistent, the height of bacterium mushroom growth is uneven, distribute in near-sinusoidal, that is very large adverse effect is produced to the seed output and quality of mushroom growth of seedling.
In other industrial and agricultural productions and life, as kitchen range air curtain needs the object reaching isolated flue, or long narrow curtain ventilates in the indoor in the places such as large supermarket, big companies's office building, need the object reaching Uniform Ventilation, usually use general list group slim-lined construction cross flow fan all can not meet required air-conditioning requirement.How can reach a standard, can come out as early as possible by the actual ultra-fine long structure cross flow fan used by actualizing technology, become the expectation of people.
Summary of the invention
The object of the invention is for general list group slim-lined construction cross flow fan in the activity in production and social life of people, the defect of super elongate conduit of can not giving security air-supply, provide a kind of ultra-fine long cross-flow fan structure, the object that people can provide super elongate conduit balanced ventilation in activity in production and social life can be reached.
The technological scheme that the present invention takes to achieve these goals is: a kind of ultra-fine long cross-flow fan structure, comprises air channel, elongated impeller, front end bearing support assemblies, steel shaft assembly A, axle by rubber A and motor; Described air channel comprises front-end face housing, ear end face housing and bottom shell; Described elongated impeller comprises shroud, hub disk, 6 mid-games and fan blade, and supported fixing between fan blade by mid-game, fan blade diameter is 18-50mm, and the longitudinal length (L) of the fan blade between 2 mid-games is 45-75mm; Described front end bearing support assemblies is arranged on the front of elongated impeller, comprises bearing A and bearing support A; Described bearing support A comprises center hole A, interior annular groove A and external annular groove A, and described center hole A is blind hole, to impeller direction opening; Described interior annular groove A is arranged in the middle part of center hole A inwall, and described bearing A is arranged in interior annular groove A; Described front-end face housing is provided with center hole Aa, and described center hole Aa inner edge is inlayed with the external annular groove A of bearing support A and is connected; Described steel shaft assembly A comprises axle sleeve A, connecting plate A and steel axle A, and steel shaft assembly A is arranged in the front end of elongated impeller, and steel axle A stretches into roll in center hole A, with bearing A and is connected, and described connecting plate A is fixedly connected with shroud; Described axle comprises center hole Ab by rubber A, and axle is arranged in the rear end of elongated impeller by rubber A, is fixedly connected with hub disk; Described elongated impeller is more than 2, and described motor is arranged on the rear of elongated impeller, is fixedly connected with screw with ear end face housing, motor comprises machine shaft, described machine shaft stretches out forward, through the center hole Ab of axle by rubber A, and machine shaft and center hole Ab secure fit;
Also comprise more than 1 elongated impeller connection set, described elongated impeller connection set is arranged between former and later two elongated impellers, former and later two elongated impellers are linked together, and making the center line of former and later two elongated impellers on same straight line, elongated impeller connection set comprises axle by rubber B, bearings connection part and steel shaft assembly B; Described bearings connection part comprises bearing B, bearing support B and support and connection plate; Described bearing support B comprises center hole B, interior annular groove B and external annular groove B, and described center hole B is through hole, and described interior annular groove B is arranged in the middle part of center hole B inwall, and described bearing B is arranged in interior annular groove B; Described support and connection plate comprises support and connection plate main body and lower crimp, and described support and connection plate main body is provided with center hole Ba, and described center hole Ba inner edge is inlayed with the external annular groove B of bearing support B and is connected; Described steel shaft assembly B comprises axle sleeve B, connecting plate B and steel axle B;
Described axle is provided with center hole Bb by rubber B, and axle is arranged in the rear end of front 1 elongated impeller by rubber B, is fixedly connected with the hub disk of elongated impeller; Described steel shaft assembly B is arranged in the front end of rear 1 elongated impeller, and connecting plate B is fixedly connected with the shroud of rear 1 elongated impeller; Being located in the middle part of described steel axle B rolls in center hole B, with bearing support B is connected, steel axle B is anterior to be extended forward, the center hole Bb that is subject to rubber B through axle and with center hole Bb secure fit;
Described lower crimp is provided with screw hole, and support and connection plate is by screw hole, be fixedly connected with bottom shell with screw.
The ultra-fine long cross-flow fan structure of described one comprises 2 elongated impellers and 1 elongated impeller connection set.
The ultra-fine long cross-flow fan structure of described one comprises 3 elongated impellers and 2 elongated impeller connection sets.
The longitudinal length (L) of the fan blade between described fan blade diameter and 2 mid-games combines as shown in table 1:
Table 1:
Described connecting plate A and connecting plate B is set on axle sleeve A and axle sleeve B respectively, and is respectively fixedly connected with impeller front disc by screw.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the elongated impeller connection set in the present invention comprises axle by rubber B, bearings connection part and steel shaft assembly B, an indivisible total inventive concept should be considered as, the elongated impeller of more than 2 can be made to link together and to form ultra-fine long cross-flow fan structure, the ratio of the longitudinal length and elongated impeller diameter often organizing fan blade is kept to remain within normal 1.5-2.5 scope doubly, the circular runout of equipment in running is made to remain within the allowed band of 0.3-0.4mm, thus, this is the creative technological scheme that other mechanical structures did not realize;
(2) as shown in Figure 7, in the cultivation of bacterium mushroom, because the whole plane of ultra-fine long cross flow fan all can spare to wind in rip cutting plane to monsoon intensity uniformity, make the water tariff collection that absorbs in bacterium mushroom growing process consistent, thus ensure that the growth of bacterium mushroom is vigorous, highly consistent, bacterium mushroom production large size is increased production, than using general list group slim-lined construction cross flow fan by unit area volume increase more than 30%;
(3) the multiple occasion in industrial and agricultural production and people's daily life can be widely used in, ensure slender type cross-flow fan impeller its match with the wind being permitted lacunary slender pipe is sent even intensity, reach the object producing ideal operation effect.Such as except for except the cultivation of bacterium mushroom, also can be used for the object that kitchen range air curtain reaches isolated flue; Or ventilate for long narrow curtain, make the room ventilation of super sized type room as places such as large supermarket, big companies's office buildings even; And other fields needing ultra-fine long pipeline to blow can be widely used in.
Accompanying drawing explanation
Fig. 1-1: former one group of wheel member plan view;
Fig. 1-2: former one group of wheel member right elevation;
Fig. 2-1: general assembly drawing of the present invention;
Fig. 2-2: Fig. 2-1A portion enlarged view;
Fig. 2-3: Fig. 2-1B portion enlarged view;
Fig. 2-4: Fig. 2-1C portion enlarged view;
Fig. 3-1: steel shaft assembly master looks enlarged view;
Fig. 3-2: enlarged view is looked on the steel shaft assembly right side;
Fig. 4-1: support and connection plate master looks enlarged view;
Fig. 4-2: enlarged view overlooked by support and connection plate;
Fig. 5-1: bearings connection part master looks enlarged view;
Fig. 5-2: enlarged view is looked on a bearings connection part left side;
Fig. 6: with giving wind schematic diagram during conventional elongated cross flow fan cultivation mushroom;
Fig. 7: with apparatus of the present invention cultivation mushroom time give wind schematic diagram.
Description of reference numerals: air channel 1, front-end face housing 101, center hole Aa101a, ear end face housing 102, bottom shell 103, impeller 2, shroud 201, hub disk 202, mid-game 203, fan blade 204, front end bearing support assemblies 3, bearing A301, bearing support A302, center hole A303, interior annular groove A304, external annular groove A305, steel shaft assembly A4, axle sleeve A401, connecting plate A402, steel axle A403, axle is by rubber A5, center hole Ab501, motor 6, machine shaft 601, connection set 7, axle is by rubber B701, bearing B702, bearing support B703, center hole B7031, interior annular groove B7032, external annular groove B7033, support and connection plate 704, support and connection plate main body 7041, lower crimp 7042, center hole Ba7043, axle sleeve B705, connecting plate B706, steel axle B707, bacterium mushroom 8, wind 9.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, but not as a limitation of the invention.
Embodiment 1:
As shown in Fig. 2-1 to Fig. 5-2, a kind of ultra-fine long cross-flow fan structure, comprises air channel 1, elongated impeller 2, front end bearing support assemblies 3, steel shaft assembly A4, axle by rubber A5 and motor 6; Described air channel 1 comprises front-end face housing 101, ear end face housing 102 and bottom shell 103; Described elongated impeller 2 comprises shroud 201, hub disk 202,6 mid-games 203 and fan blade 204, and supported fixing between fan blade 204 by mid-game 203, fan blade 204 diameter is 18mm, and the longitudinal length L of the fan blade 204 between 2 mid-games 203 is 45mm; Described front end bearing support assemblies 3 is arranged on the front of elongated impeller 2, comprises bearing A301 and bearing support A302; Described bearing support A302 comprises center hole A303, interior annular groove A304 and external annular groove A305, and described center hole A303 is blind hole, to impeller 2 direction opening; Described interior annular groove A304 is arranged in the middle part of center hole A303 inwall, and described bearing A301 is arranged in interior annular groove A304; Described front-end face housing 101 is provided with center hole Aa101a, and described center hole Aa101a inner edge is inlayed with the external annular groove A305 of bearing support A301 and is connected; Described steel shaft assembly A4 comprises axle sleeve A401, connecting plate A402 and steel axle A403, steel shaft assembly A4 is arranged in the front end of elongated impeller 2, steel axle A403 stretches into roll in center hole A303, with bearing A301 and is connected, and described connecting plate A402 is fixedly connected with shroud 201; Described axle comprises center hole Ab501 by rubber A5, and axle is arranged in the rear end of elongated impeller 2 by rubber A5, is fixedly connected with hub disk 202; Described elongated impeller 2 is 2, described motor 6 is arranged on the rear of last 1 elongated impeller 2, be fixedly connected with screw with ear end face housing 102, motor 6 comprises machine shaft 601, described machine shaft 601 stretches out forward, through the center hole Ab501 of axle by rubber A5, machine shaft 601 and center hole Ab501 secure fit;
Also comprise 1 elongated impeller connection set 7, described elongated impeller connection set 7 is arranged between former and later two elongated impellers 2, former and later two elongated impellers 2 are linked together, and making the center line of former and later two elongated impellers 2 on same straight line, elongated impeller connection set 7 comprises axle by rubber B701, bearings connection part and steel shaft assembly B; Described bearings connection part comprises bearing B702, bearing support B703 and support and connection plate 704; Described bearing support B703 comprises center hole B7031, interior annular groove B7032 and external annular groove B7033, described center hole B7031 is through hole, described interior annular groove B7032 is arranged in the middle part of center hole B7031 inwall, and described bearing B702 is arranged in interior annular groove B7032; Described support and connection plate 704 comprises support and connection plate main body 7041 and lower crimp 7042, and described support and connection plate main body 7041 is provided with center hole Ba7043, and described center hole Ba7043 inner edge is inlayed with the external annular groove B7033 of bearing support B703 and is connected; Described steel shaft assembly B comprises axle sleeve B705, connecting plate B706 and steel axle B707;
Described axle is provided with center hole Bb by rubber B701, and axle is arranged in the rear end of front 1 elongated impeller 2 by rubber B701, is fixedly connected with the hub disk 202 of elongated impeller 2; Described steel shaft assembly B is arranged in the front end of rear 1 elongated impeller 2, and connecting plate B706 is fixedly connected with the shroud 201 of rear 1 elongated impeller 2; Being located in the middle part of described steel axle B707 rolls in center hole B7031, with bearing support B703 is connected, steel axle B707 is anterior to be extended forward, the center hole Bb that is subject to rubber B701 through axle and with center hole Bb secure fit;
Described lower crimp 7042 is provided with screw hole, and support and connection plate 704 is by screw hole, be fixedly connected with bottom shell 103 with screw.
Described connecting plate A402 and connecting plate B706 is set on axle sleeve A401 and axle sleeve B705 respectively, and is respectively fixedly connected with shroud 201 by screw.
As shown in Figure 7, in bacterium mushroom 8 cultivates, due to the whole plane of ultra-fine long cross flow fan, all can to spare to wind consistent to wind 9 even intensity in rip cutting plane, make the water tariff collection that absorbs in bacterium mushroom 8 growing process consistent, thus it is vigorous, highly consistent to ensure that bacterium mushroom 8 grows, bacterium mushroom 8 production large size is increased production, than using general list group slim-lined construction cross flow fan by unit area volume increase more than 30%.
Embodiment 2-9:
As shown in Fig. 2-1 to Fig. 5-2, in embodiment 2-9, the ultra-fine long cross-flow fan structure of described one, comprises air channel 1, elongated impeller 2, front end bearing support assemblies 3, steel shaft assembly A4, axle by rubber A5 and motor 6; Described elongated impeller 2 comprises shroud 201, hub disk 202,6 mid-games 203 and fan blade 204, and supported fixing between fan blade 204 by mid-game 203, elongated impeller 2 is 2, also comprises 1 elongated impeller connection set 7; The longitudinal length L of the fan blade between described fan blade diameter and 2 mid-games 203 is as shown in table 2:
Table 2:
Remaining with embodiment 1.
Embodiment 10:
As shown in Fig. 2-1 to Fig. 5-2, the ultra-fine long cross-flow fan structure of described one, comprises 3 elongated impellers 2 and 2 elongated impeller connection sets 7 (wherein the 3rd elongated impeller 2 and another 1 elongated impeller connection set 7 do not show in Fig. 2-1 " general assembly drawing of the present invention ").
Remaining with embodiment 1.
Above-described embodiment, 10 kinds of just the present invention's more preferably embodiment, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacing all should be included in protection scope of the present invention.
Claims (5)
1. a ultra-fine long cross-flow fan structure, comprises air channel, elongated impeller, front end bearing support assemblies, steel shaft assembly A, axle by rubber A and motor; Described air channel comprises front-end face housing, ear end face housing and bottom shell; Described elongated impeller comprises shroud, hub disk, 6 mid-games and fan blade, and supported fixing between fan blade by mid-game, fan blade diameter is 18-50mm, and between 2 mid-games, the longitudinal length (L) of fan blade is 45-75mm; Described front end bearing support assemblies is arranged on the front of elongated impeller, comprises bearing A and bearing support A; Described bearing support A comprises center hole A, interior annular groove A and external annular groove A, and described center hole A is blind hole, to impeller direction opening; Described interior annular groove A is arranged in the middle part of center hole A inwall, and described bearing A is arranged in interior annular groove A; Described front-end face housing is provided with center hole Aa, and described center hole Aa inner edge is inlayed with the external annular groove A of bearing support A and is connected; Described steel shaft assembly A comprises axle sleeve A, connecting plate A and steel axle A, and steel shaft assembly A is arranged in the front end of elongated impeller, and steel axle A stretches into roll in center hole A, with bearing A and is connected, and described connecting plate A is fixedly connected with shroud; Described axle comprises center hole Ab by rubber A, and axle is arranged in the rear end of elongated impeller by rubber A, is fixedly connected with hub disk; It is characterized in that: described elongated impeller is more than 2, described motor is arranged on the rear of last 1 elongated impeller, be fixedly connected with screw with ear end face housing, motor comprises machine shaft, described machine shaft stretches out forward, through the center hole Ab of axle by rubber A, machine shaft and center hole Ab secure fit;
Also comprise more than 1 elongated impeller connection set, described elongated impeller connection set is arranged between former and later two elongated impellers, former and later two elongated impellers are linked together, and making the center line of former and later two elongated impellers on same straight line, elongated impeller connection set comprises axle by rubber B, bearings connection part and steel shaft assembly B; Described bearings connection part comprises bearing B, bearing support B and support and connection plate; Described bearing support B comprises center hole B, interior annular groove B and external annular groove B, and described center hole B is through hole, and described interior annular groove B is arranged in the middle part of center hole B inwall, and described bearing B is arranged in interior annular groove B; Described support and connection plate comprises support and connection plate main body and lower crimp, and described support and connection plate main body is provided with center hole Ba, and described center hole Ba inner edge is inlayed with the external annular groove B of bearing support B and is connected; Described steel shaft assembly B comprises axle sleeve B, connecting plate B and steel axle B;
Described axle is provided with center hole Bb by rubber B, and axle is arranged in the rear end of front 1 elongated impeller by rubber B, is fixedly connected with the hub disk of elongated impeller; Described steel shaft assembly B is arranged in the front end of rear 1 elongated impeller, and connecting plate B is fixedly connected with the shroud of rear 1 elongated impeller; Being located in the middle part of described steel axle B rolls in center hole B, with bearing support B is connected, steel axle B is anterior to be extended forward, the center hole Bb that is subject to rubber B through axle and with center hole Bb secure fit;
Described lower crimp is provided with screw hole, and support and connection plate is by screw hole, be fixedly connected with bottom shell with screw.
2. the ultra-fine long cross-flow fan structure of one according to claim 1, is characterized in that: comprise 2 elongated impellers and 1 elongated impeller connection set.
3. the ultra-fine long cross-flow fan structure of one according to claim 1, is characterized in that: comprise 3 elongated impellers and 2 elongated impeller connection sets.
4. the ultra-fine long cross-flow fan structure of one according to claim 1, is characterized in that: the longitudinal length (L) of the fan blade between described fan blade diameter and 2 mid-games combines as shown in table 1:
Table 1:
。
5. the ultra-fine long cross-flow fan structure of one according to claim 1, is characterized in that: described connecting plate A and connecting plate B is set on axle sleeve A and axle sleeve B respectively, and is respectively fixedly connected with impeller front disc by screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410208452.9A CN103982448B (en) | 2014-05-11 | 2014-05-11 | A kind of ultra-fine long cross-flow fan structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410208452.9A CN103982448B (en) | 2014-05-11 | 2014-05-11 | A kind of ultra-fine long cross-flow fan structure |
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| CN103982448A CN103982448A (en) | 2014-08-13 |
| CN103982448B true CN103982448B (en) | 2016-03-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001056121A1 (en) * | 2000-01-28 | 2001-08-02 | Ebara Corporation | Excimer laser |
| CN201133384Y (en) * | 2007-11-29 | 2008-10-15 | 四川长虹电器股份有限公司 | Cross-flow fan |
| CN201318319Y (en) * | 2008-12-15 | 2009-09-30 | 浙江朗迪集团股份有限公司 | Metal cross flow fan |
| CN201386694Y (en) * | 2009-04-13 | 2010-01-20 | 宁波朗迪叶轮机械有限公司 | Central disc and bearing rubber for tangential fan |
| CN201420685Y (en) * | 2009-04-16 | 2010-03-10 | 宁波朗迪叶轮机械有限公司 | Cross-flow fan |
| CN203822665U (en) * | 2014-05-11 | 2014-09-10 | 余姚天超通风设备有限公司 | Super-slender cross-flow fan structure |
-
2014
- 2014-05-11 CN CN201410208452.9A patent/CN103982448B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001056121A1 (en) * | 2000-01-28 | 2001-08-02 | Ebara Corporation | Excimer laser |
| CN201133384Y (en) * | 2007-11-29 | 2008-10-15 | 四川长虹电器股份有限公司 | Cross-flow fan |
| CN201318319Y (en) * | 2008-12-15 | 2009-09-30 | 浙江朗迪集团股份有限公司 | Metal cross flow fan |
| CN201386694Y (en) * | 2009-04-13 | 2010-01-20 | 宁波朗迪叶轮机械有限公司 | Central disc and bearing rubber for tangential fan |
| CN201420685Y (en) * | 2009-04-16 | 2010-03-10 | 宁波朗迪叶轮机械有限公司 | Cross-flow fan |
| CN203822665U (en) * | 2014-05-11 | 2014-09-10 | 余姚天超通风设备有限公司 | Super-slender cross-flow fan structure |
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| CN103982448A (en) | 2014-08-13 |
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Address after: 315400 Zhejiang city of Yuyao Province Lin Shan Zhen Yao North Avenue Road No. 95 Yu Yaotianchao ventilation equipment Co. Ltd. Applicant after: Yuyao Tianchao Ventilation Equipment Co., Ltd. Address before: 315400 No. 90, Haitong Road, Si Gate Industrial Park, Zhejiang, Yuyao Applicant before: Yuyao Tianchao Ventilation Equipment Co., Ltd. |
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Address after: No.95, Yaobei Avenue East Road, Linshan Town, Yuyao City, Ningbo City, Zhejiang Province, 315400 Patentee after: Ningbo Tianchao Ventilation Equipment Co.,Ltd. Address before: 315400 Yuyao TianChao ventilation equipment Co., Ltd., 95 Yaobei Avenue East Road, Linshan Town, Yuyao City, Zhejiang Province Patentee before: YUYAO TIANCHAO VENTILATION EQUIPMENT Co.,Ltd. |