CN101734362B - Boost pump - Google Patents
Boost pump Download PDFInfo
- Publication number
- CN101734362B CN101734362B CN200810235865.0A CN200810235865A CN101734362B CN 101734362 B CN101734362 B CN 101734362B CN 200810235865 A CN200810235865 A CN 200810235865A CN 101734362 B CN101734362 B CN 101734362B
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- fixed
- cambered surface
- pump case
- boost pump
- 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.)
- Expired - Fee Related
Links
Abstract
The invention discloses a boost pump, which comprises a propeller and a transmission shaft. On the basis of the using direction of the boost pump, a guide plate is fixed inside the rear end of a pump shell; the guide plate mainly comprises a plurality of guide vanes; each guide vane consists of a straight section and a cambered surface section; the straight section is parallel to the axial direction of the transmission shaft; one end of the cambered surface section is connected with the straight section, and the other end of the cambered surface section is close to the propeller; the straight section and the cambered surface section are integrated; the number of the guide vanes is at least two; the plurality of guide vanes are arranged at equal intervals around a central shaft of the pump shell; one end of each guide vane far away from the central shaft of the pump shell is fixed on the inner surface of the pump shell; and the cambered surface sections of the plurality of guide vanes face towards the same direction as the rotation direction of the transmission shaft. The boost pump can linearly spray water, increases thrust and has the advantages of simple structure and easy implementation.
Description
Technical field
The present invention relates to a kind of underwater propeller, especially a kind of underwater propeller that current straight line can be sprayed.
Background technology
General existing underwater propeller is that current are sprayed with spiral fashion, the power that the current of spiral fashion ejection produce can be divided into thrust forward and the component on hand of rotation, and advance that hull or surfboard etc. advance effective force be thrust forward, therefore the power that current are produced with spiral fashion ejection can not all be converted into the power of pushing ahead, and effective merit is reduced.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of boost pump, this boost pump can make current spray with straight line, has improved thrust, and this example is simple in structure, easy to implement.
The present invention for the technical scheme that solves its technical matters and adopt is:
A kind of boost pump, comprise screw propeller and transmission shaft, screw propeller fixed cover is located on transmission shaft, take boost pump user to being benchmark, inside, pump case rear end is fixed with deflecting plate, deflecting plate mainly consists of some breather vanes, breather vane is comprised of flat segments and cambered surface section, flat segments with transmission shafts to paralleling, cambered surface section one end is connected with flat segments, the cambered surface section other end is near screw propeller, flat segments and cambered surface section are integrated, breather vane is at least two, some breather vanes are uniformly-spaced and arrange around pump case center shaft, breather vane is fixed on pump case inside face away from one end of pump case center shaft, and some breather vane cambered surface sections on transmission shaft hand of rotation towards unanimously.
Further technical scheme of the present invention is:
Described cambered surface section one end is connected with flat segments is tangent.
The number of described propeller blade and the number of breather vane meet odd even relation.
Described breather vane is provided with four, and propeller blade is provided with three.
Described deflecting plate is provided with fixed cover, and breather vane is fixed on the outside face of fixed cover near one end of pump case center shaft.
Described fixed cover is hollow, fixed cover is that sealing and shape are with rectification cap towards extraneous one end, towards one end of transmission shaft, it is opening, take boost pump user to being benchmark, fixed cover inwall front portion is radially outward formed with the first ladder, before the first ladder, be lined with pad, pad backstop is in the first ladder, before pad, be provided with the first ball bearing of main shaft, the first ball bearing of main shaft backstop is in pad, transmission shaft not-go-end inserts in the first ball bearing of main shaft, before the first ball bearing of main shaft, be provided with the first oil sealing, described pad, the first ball bearing of main shaft, transmission shaft not-go-end and the first oil sealing are positioned at fixed cover.Pad provides the shaft shoulder and has facilitated dismounting to the first ball bearing of main shaft.
The structure that described screw propeller fixed cover is located on transmission shaft is: screw propeller is positioned at pump case, and propeller center is provided with slurry hub, and slurry hub inner surface axial is provided with female splines, and transmission shaft outside face is axially arranged with male splines, and female splines and male splines fasten.Spline coupling load-carrying capacity is high, and centering and guidance quality are good, and little on the impact of transmission shaft and slurry hub, and easily assembling, not yielding.
Take boost pump user to being benchmark, and the rear end of described pump case is fixed with reducing cover, and reducing cover is hollow, and reducing cover front end is fixed on pump case rear end, and reducing cover front inner diameter equals pump housing back end inside diameter, and reducing cover front inner diameter is greater than reducing cover back end inside diameter.Reducing cover front inner diameter is greater than reducing cover back end inside diameter, water flow section can be dwindled, and has increased water velocity, thereby increased propelling thrust in the situation that discharge is constant.
Take boost pump user to being benchmark, pump case front end is fixed with the inlet segment of hollow cylindrical, inlet segment center shaft is provided with the bracing ring of hollow, be provided with some stay bearing plates, bracing ring is connected by some stay bearing plates with inlet segment, stay bearing plate is at least two, some stay bearing plates axle centered by bracing ring is disperses distribution, in bracing ring, be fixed with tapered roller bearing, transmission shaft is through in tapered roller bearing, the rear and front end of tapered roller bearing is all provided with the second oil sealing, inlet segment lower external face is provided with into water plate, water inlet plate is dull and stereotyped, water inlet prelaminar part is positioned at before inlet segment, and water inlet prelaminar part offers arc opening, be provided with two connecting panels, a connecting panel is connected water inlet prelaminar part left side with the left side of inlet segment front upper portion, another piece connecting panel is connected water inlet prelaminar part right side with the right side of inlet segment front upper portion, the front end of connecting panel is arc, and camber line is crooked backward, described inlet segment, bracing ring, stay bearing plate, water inlet plate and connecting panel are integrated.
Be provided with first and second flange, the second flange is before the first flange, transmission shaft is through in first and second flange simultaneously, the first flange front inner surface radially outward forms the second ladder, before the second ladder, be provided with the 3rd oil sealing, the 3rd oil sealing stop is in the second ladder, the second flange rear inner surface radially inwardly forms ring-type backstop, the anterior shoulder of transmission shaft is provided with the second ball bearing of main shaft, the second ball bearing of main shaft stop is after ring-type backstop, before ring-type backstop, be provided with the 4th oil sealing, first and second flange fixes (bottom that the first flange is fixed on hull or surfboard etc.).
The invention has the beneficial effects as follows: take boost pump user to being benchmark, inside, pump case rear end is fixed with deflecting plate, deflecting plate mainly consists of some breather vanes, breather vane is comprised of flat segments and cambered surface section, flat segments with transmission shafts to paralleling, cambered surface section one end is connected with flat segments, the cambered surface section other end is near screw propeller, flat segments and cambered surface section are integrated, breather vane is at least two, some breather vanes are uniformly-spaced and arrange around pump case center shaft, breather vane is fixed on pump case inside face away from one end of pump case center shaft, and some breather vane cambered surface sections on transmission shaft hand of rotation towards unanimously, this example can make current spray with straight line, improved thrust, and this example is simple in structure, easy to implement.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present invention;
Fig. 2 is decomposition texture schematic diagram of the present invention;
Fig. 3 is deflector structure schematic diagram of the present invention;
Fig. 4 is breather vane structural representation of the present invention.
The specific embodiment
Embodiment: a kind of boost pump, comprise screw propeller 1 and transmission shaft 2, screw propeller fixed cover is located on transmission shaft, take boost pump user to being benchmark, pump case 3 inside, rear end are fixed with deflecting plate 4, deflecting plate mainly consists of some breather vanes 41, breather vane is comprised of flat segments 411 and cambered surface section 412, flat segments with transmission shafts to paralleling, cambered surface section one end is connected with flat segments, the cambered surface section other end is near screw propeller, flat segments and cambered surface section are integrated, breather vane is at least two, some breather vanes are uniformly-spaced and arrange around pump case center shaft, breather vane is fixed on pump case inside face away from one end of pump case center shaft, and some breather vane cambered surface sections on transmission shaft hand of rotation towards consistent (be some breather vanes towards unanimously, and towards both can be identical with transmission shaft hand of rotation, also can be contrary with transmission shaft hand of rotation).
Described cambered surface section one end is connected with flat segments is tangent.
The number of described propeller blade and the number of breather vane meet odd even relation.
Described breather vane is provided with four, and propeller blade is provided with three.
Described deflecting plate is provided with fixed cover 42, and breather vane is fixed on the outside face of fixed cover near one end of pump case center shaft.
Described fixed cover is hollow, fixed cover is that sealing and shape are with rectification cap towards extraneous one end, towards one end of transmission shaft, it is opening, take boost pump user to being benchmark, fixed cover inwall front portion is radially outward formed with the first ladder 421, before the first ladder, be lined with pad 422, pad backstop is in the first ladder, before pad, be provided with the first ball bearing of main shaft 423, the first ball bearing of main shaft backstop is in pad, transmission shaft not-go-end 21 inserts in the first ball bearing of main shaft, before the first ball bearing of main shaft, be provided with the first oil sealing 424, described pad, the first ball bearing of main shaft, transmission shaft not-go-end and the first oil sealing are positioned at fixed cover.Pad provides the shaft shoulder and has facilitated dismounting to the first ball bearing of main shaft.
The structure that described screw propeller fixed cover is located on transmission shaft is: screw propeller is positioned at pump case, and propeller center is provided with slurry hub 11, and slurry hub inner surface axial is provided with female splines, and transmission shaft outside face is axially arranged with male splines, and female splines and male splines fasten.Spline coupling load-carrying capacity is high, and centering and guidance quality are good, and little on the impact of transmission shaft and slurry hub, and easily assembling, not yielding.
Take boost pump user to being benchmark, and the rear end of described pump case is fixed with reducing cover 5, and reducing cover is hollow, and reducing cover front end is fixed on pump case rear end, and reducing cover front inner diameter equals pump housing back end inside diameter, and reducing cover front inner diameter is greater than reducing cover back end inside diameter.Reducing cover front inner diameter is greater than reducing cover back end inside diameter, water flow section can be dwindled, and has increased water velocity, thereby increased propelling thrust in the situation that discharge is constant.
Take boost pump user to being benchmark, pump case front end is fixed with the inlet segment 6 of hollow cylindrical, inlet segment center shaft is provided with the bracing ring 61 of hollow, be provided with some stay bearing plates, bracing ring is connected by some stay bearing plates 62 with inlet segment, stay bearing plate is at least two, some stay bearing plates axle centered by bracing ring is disperses distribution, in bracing ring, be fixed with tapered roller bearing 63, transmission shaft is through in tapered roller bearing, the rear and front end of tapered roller bearing is all provided with the second oil sealing 64, inlet segment lower external face is provided with into water plate 65, water inlet plate is dull and stereotyped, water inlet prelaminar part 651 is positioned at before inlet segment, and water inlet prelaminar part offers arc opening, be provided with two connecting panels 66, a connecting panel is connected water inlet prelaminar part left side with the left side of inlet segment front upper portion, another piece connecting panel is connected water inlet prelaminar part right side with the right side of inlet segment front upper portion, the front end of connecting panel is arc, and camber line is crooked backward, described inlet segment, bracing ring, stay bearing plate, water inlet plate and connecting panel are integrated.
Be provided with first, two flanges 7, 8, the second flange is before the first flange, transmission shaft is through at first simultaneously, in two flanges, the first flange front inner surface radially outward forms the second ladder 71, before the second ladder, be provided with the 3rd oil sealing 72, the 3rd oil sealing stop is in the second ladder, the second flange rear inner surface radially inwardly forms ring-type backstop 81, the anterior shoulder of transmission shaft is provided with the second ball bearing of main shaft 82, the second ball bearing of main shaft stop is after ring-type backstop, before ring-type backstop, be provided with the 4th oil sealing 83, first, two flanges fix (bottom that the first flange is fixed on hull or surfboard etc.).
The axial centre that the described center shaft of this example is parts.
Claims (5)
1. a boost pump, comprise screw propeller (1) and transmission shaft (2), screw propeller fixed cover is located on transmission shaft, it is characterized in that: take boost pump user to being benchmark, pump case (3) inside, rear end is fixed with deflecting plate (4), deflecting plate mainly consists of some breather vanes (41), breather vane is comprised of flat segments (411) and cambered surface section (412), flat segments with transmission shafts to paralleling, cambered surface section one end is connected with flat segments, the cambered surface section other end is near screw propeller, flat segments and cambered surface section are integrated, breather vane is at least two, some breather vanes are uniformly-spaced and arrange around pump case center shaft, breather vane is fixed on pump case inside face away from one end of pump case center shaft, and some breather vane cambered surface sections on transmission shaft hand of rotation towards unanimously,
Described deflecting plate is provided with fixed cover (42), and breather vane is fixed on the outside face of fixed cover near one end of pump case center shaft;
Described fixed cover is hollow, fixed cover is that sealing and shape are with rectification cap towards extraneous one end, towards one end of transmission shaft, it is opening, take boost pump user to being benchmark, fixed cover inwall front portion is radially outward formed with the first ladder (421), before the first ladder, be lined with pad (422), pad backstop is in the first ladder, before pad, be provided with the first ball bearing of main shaft (423), the first ball bearing of main shaft backstop is in pad, transmission shaft not-go-end (21) inserts in the first ball bearing of main shaft, before the first ball bearing of main shaft, be provided with the first oil sealing (424), described pad, the first ball bearing of main shaft, transmission shaft not-go-end and the first oil sealing are positioned at fixed cover,
The structure that described screw propeller fixed cover is located on transmission shaft is: screw propeller is positioned at pump case, and propeller center is provided with slurry hub (11), and slurry hub inner surface axial is provided with female splines, and transmission shaft outside face is axially arranged with male splines, and female splines and male splines fasten;
Take boost pump user to being benchmark, pump case front end is fixed with the inlet segment (6) of hollow cylindrical, inlet segment center shaft is provided with the bracing ring (61) of hollow, be provided with some stay bearing plates, bracing ring is connected by some stay bearing plates (62) with inlet segment, stay bearing plate is at least two, some stay bearing plates axle centered by bracing ring is disperses distribution, in bracing ring, be fixed with tapered roller bearing (63), transmission shaft is through in tapered roller bearing, the rear and front end of tapered roller bearing is all provided with the second oil sealing (64), inlet segment lower external face is provided with into water plate (65), water inlet plate is dull and stereotyped, water inlet prelaminar part (651) is positioned at before inlet segment, and water inlet prelaminar part offers arc opening, be provided with two connecting panels (66), a connecting panel is connected water inlet prelaminar part left side with the left side of inlet segment front upper portion, another piece connecting panel is connected water inlet prelaminar part right side with the right side of inlet segment front upper portion, the front end of connecting panel is arc, and camber line is crooked backward, described inlet segment, bracing ring, stay bearing plate, water inlet plate and connecting panel are integrated,
Be provided with first and second flange (7,8), the second flange is before the first flange, transmission shaft is through in first and second flange simultaneously, the first flange front inner surface radially outward forms the second ladder (71), before the second ladder, be provided with the 3rd oil sealing (72), the 3rd oil sealing stop is in the second ladder, the second flange rear inner surface radially inwardly forms ring-type backstop (81), the anterior shoulder of transmission shaft is provided with the second ball bearing of main shaft (82), the second ball bearing of main shaft stop is after ring-type backstop, before ring-type backstop, be provided with the 4th oil sealing (83), first and second flange fixes.
2. a kind of boost pump according to claim 1, is characterized in that: described cambered surface section one end is connected with flat segments is tangent.
3. a kind of boost pump according to claim 1, is characterized in that: the number of described propeller blade and the number of breather vane meet odd even relation.
4. a kind of boost pump according to claim 3, is characterized in that: described breather vane is provided with four, and propeller blade is provided with three.
5. a kind of boost pump according to claim 1, it is characterized in that: take boost pump user to being benchmark, the rear end of described pump case is fixed with reducing cover (5), reducing cover is hollow, reducing cover front end is fixed on pump case rear end, reducing cover front inner diameter equals pump housing back end inside diameter, and reducing cover front inner diameter is greater than reducing cover back end inside diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235865.0A CN101734362B (en) | 2008-11-10 | 2008-11-10 | Boost pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810235865.0A CN101734362B (en) | 2008-11-10 | 2008-11-10 | Boost pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101734362A CN101734362A (en) | 2010-06-16 |
| CN101734362B true CN101734362B (en) | 2014-07-30 |
Family
ID=42458535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810235865.0A Expired - Fee Related CN101734362B (en) | 2008-11-10 | 2008-11-10 | Boost pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101734362B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105366015A (en) * | 2015-12-04 | 2016-03-02 | 苏州金业船用机械厂 | Novel propeller |
| CN105545816A (en) * | 2016-01-29 | 2016-05-04 | 扬州大学 | Linear gradually-shrunk transition round nozzle of water spraying propelling pump device |
| CN107215459A (en) * | 2017-07-18 | 2017-09-29 | 南砚今 | A kind of low noise novel propeller |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3939794A (en) * | 1969-02-17 | 1976-02-24 | Hull Francis R | Marine pump-jet propulsion system |
| US3827392A (en) * | 1972-07-21 | 1974-08-06 | Scooter Ski Ltd | Water planing craft |
| CN1046713A (en) * | 1989-04-29 | 1990-11-07 | 武汉水运工程学院 | Propeller protector |
| JP2890733B2 (en) * | 1990-07-31 | 1999-05-17 | スズキ株式会社 | Water jet unit for small jet propulsion |
| JPH04159193A (en) * | 1990-10-22 | 1992-06-02 | Yamaha Motor Co Ltd | Propulsion device structure for water jet pusher boat |
| US5152704A (en) * | 1991-05-09 | 1992-10-06 | Team Scarab, Inc. | Water jet propulsion unit |
| JP3505697B2 (en) * | 1995-10-06 | 2004-03-08 | ヤマハ発動機株式会社 | Bearing structure of jet pump for small watercraft |
| CN2260055Y (en) * | 1995-11-20 | 1997-08-20 | 张建华 | Propeller being mounted in duct for river ship |
| US5975966A (en) * | 1998-11-17 | 1999-11-02 | Lin; Yeun-Junn | Propelling system of small boat |
| JP3946019B2 (en) * | 2001-09-18 | 2007-07-18 | 本田技研工業株式会社 | Bearing structure for marine drive shaft |
| CN2659798Y (en) * | 2003-12-11 | 2004-12-01 | 王宝民 | Multiple propeller propulsion |
| CN2803923Y (en) * | 2004-11-04 | 2006-08-09 | 吕静 | Conduit |
| CN2771100Y (en) * | 2005-03-22 | 2006-04-12 | 胡济荣 | Hydrojet propeller |
| US7361068B2 (en) * | 2006-05-31 | 2008-04-22 | Honeywell International, Inc. | Seal pressure vent system for a waterjet apparatus |
| CN201058663Y (en) * | 2007-06-22 | 2008-05-14 | 蔡伟涵 | Water-uptake injection apparatus |
| CN201292005Y (en) * | 2008-11-10 | 2009-08-19 | 昆山市美吉动力机械科技有限公司 | Propulsion pump |
-
2008
- 2008-11-10 CN CN200810235865.0A patent/CN101734362B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101734362A (en) | 2010-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201292005Y (en) | Propulsion pump | |
| CN107725476B (en) | A kind of adjustable hydraulic propeller of blade-section | |
| CN101734362B (en) | Boost pump | |
| CN201300970Y (en) | Gasoline engine dynamic surfboard with modified propulsion structure | |
| CN101746490A (en) | Petrol engine power surfboard with improved structure | |
| CN107676214A (en) | Rudder ball turbine generator after a kind of marine propeller | |
| CN102765473A (en) | Oil distribution device for propeller variable pitch | |
| CN114056529A (en) | Rim driving propeller with dummy shaft structure | |
| CN101734355A (en) | Improvement of gasoline engine power surfboard | |
| CN104832442B (en) | A kind of very-long-range with function of increasing pressure penetrates mist depositing dust air cleaning facility | |
| CN204851684U (en) | Super long -range fog dust fall air purification equipment of penetrating with pressure boost function | |
| CN108327883A (en) | A kind of hydraulic jet propulsion system shafting structure | |
| CN104929690A (en) | Fluid engine | |
| CN201291997Y (en) | Improvement of dynamic surfboard of gasoline engine | |
| CN201842251U (en) | Pitch-adjustable lateral propeller | |
| CN111068091A (en) | Disinfectant pressurizing device for epidemic prevention | |
| CN107905783B (en) | Coal cutter cutting part with differential separation roller | |
| CN209179936U (en) | A kind of power-equipment driven using wind-force | |
| CN106677111A (en) | Air barrel and road cleaning device | |
| US10634047B2 (en) | Multiple axle-sleeve driving bidirectional rotating wheel-shaped fan turbine and a bushing wheel-shaped fan compressor | |
| CN201841893U (en) | Front transmission shaft assembly of miniature car | |
| CN111806664A (en) | Pod propeller fin structure for increasing hydrodynamic performance | |
| CN106014975B (en) | A kind of cantilevered twin-screw water jet propulsion pump | |
| CN216468397U (en) | Hub body structure of propeller with adjustable pitch | |
| CN106516062A (en) | Optimally designed ship propulsion device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI MEIJI POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: KUNSHAN MAGIC MOTIVE POWER MACHINE TECHNOLOGY CO., LTD. Effective date: 20150413 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215321 SUZHOU, JIANGSU PROVINCE TO: 238161 MAANSHAN, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150413 Address after: Hanshan Lin Town Industrial Park 238161 Anhui city of Ma'anshan Province in Hanshan County Patentee after: ANHUI MAGIC MOTIVE POWER TECHNOLOGY CO., LTD. Address before: 215321 No. 889, affinity Road, Zhang Pu town, Jiangsu City, Kunshan Province Patentee before: Kunshan Magic Motive Power Machine Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20151110 |
|
| EXPY | Termination of patent right or utility model |