CN102334461A - Device for preventing hot air from flowing back in water shield of aerator and impeller aerator - Google Patents
Device for preventing hot air from flowing back in water shield of aerator and impeller aerator Download PDFInfo
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- CN102334461A CN102334461A CN2011100706073A CN201110070607A CN102334461A CN 102334461 A CN102334461 A CN 102334461A CN 2011100706073 A CN2011100706073 A CN 2011100706073A CN 201110070607 A CN201110070607 A CN 201110070607A CN 102334461 A CN102334461 A CN 102334461A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention belongs to the technical field of aerators, and relates to an impeller aerator provided with a device for preventing hot air from flowing back in a water shield. A motor is arranged in a shell consisting of a conical body and the water shield; a supporting base of the motor is connected with the shell; a motor shaft is connected with an impeller shaft and vertically extends into water downward; a motor body is positioned over the horizontal pane; an isolation device for preventing the hot air of the motor from upward flowing back and entering a fan guard of the motor is arranged between the water shield and the motor so as to ensure that the hot air formed after the heat exchange of a cooling fan and radiating fins is not returned to the fan guard of the motor and the temperature of the motor is greatly reduced; the supporting base is connected with supporting rods; and the other end of each of the supporting rods is provided with a floating body respectively. The complete machine floats on the water surface to work through the floating bodies, and a water body lifted by an impeller is guided to various directions by using the conical body so as to ensure that lower-layer water fills a vacancy, so that the aim of oxygen increase is fulfilled through the convection of the water body. Structures such as gears, reduction gearboxes and the like which are required in the prior art are abandoned, lubricating oil is not required to be filled, the oil leakage is effectively prevented from polluting fishing ponds, and the production cost is reduced.
Description
Technical field
The present invention relates to aerator, particularly relate to the paddle aerator that prevents the hot air reflux device in a kind of bucker.
Background technology
Aerator is the equipment that in the aquaculture fishes and shrimps is had lifesaving and growth encourage; The prior mechanical aerator mainly contains Waterwheel-type, vane type and water jet three major types type; On the existing aerator motor bucker is arranged, circulation or the interior circulation of part air in the air in the bucker, radiating condition is bad; Motor can not be operated at full capacity, and particularly makes the interior bearing ratio of upper end cover of motor be easier to damage; Existing paddle aerator all has gear reduction, complex structure, heaviness, cost height.
Summary of the invention
The objective of the invention is to solve the deficiency of existing aerator, providing in a kind of bucker of aerator has device and the paddle aerator that prevents hot air reflux.
The objective of the invention is to realize like this:
Prevent the device of hot air reflux in the bucker of aerator, include motor and bucker, motor is vertically installed; On the motor shaft that stretch out the motor upper end cooling fan is installed; Cooling fan has fan guard outward, and a plurality of fin are arranged on the motor casing, and fan guard and motor casing are provided with bucker outward; Air inlet is arranged at the top of bucker, the air-out window is arranged at the bottom all around, is provided with between bucker and the motor to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing last time.
Above-mentioned spacer assembly is a division board, matches with the inwall of bucker in the outside of division board, matches with the outer wall of fan guard in the inboard of division board; Said fan guard and division board are integral structure, and the junction with bucker on the division board is provided with annular slab.
Above-mentioned bucker, fan guard and division board are integral structure.
Prevent the paddle aerator of hot air reflux device in the above-mentioned bucker; Mainly comprise buoyancy aid, motor, impeller shaft, impeller, bullet and bucker; It is characterized in that motor is contained in the housing of bullet and bucker composition; Motor connects housing by supporting base, has between bucker and the motor to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing last time; Motor shaft is equipped with impeller vertically downward, the support bar of three above circumferential arrangement that the supporting base horizontal direction is connected with, and the outer end of support bar respectively is connected with a buoyancy aid.
The above-mentioned supporting base and the bottom end cover of motor are integral structure or split-type structural, and supporting base level and circumferential arrangement have three inserted link holes that cooperate support bar; One end of the support bar of being processed by metal tube is fastened in the inserted link hole of supporting base, the other end is connected with buoyancy aid through retainer ring.
Being connected with impeller on the above-mentioned motor shaft is: direct mounted impeller on the motor shaft; Or motor shaft is connected with impeller shaft through shaft joint; Mounted impeller on the impeller shaft, said impeller shaft is the pipe of hollow, is shaped on tank or water hole on the impeller shaft; The impeller shaft cylindrical is provided with water lubriucated bearing, and water lubriucated bearing is installed in the bearing chamber of bullet bottom.
The inserted link hole outer wall of above-mentioned supporting base has connecting plate; The through hole that connects bullet is arranged on the connecting plate, and described bullet is a hollow housing, by injection moulding or casting forming; Bullet top have one section cylindrical; Cooperation position with bucker is arranged at columniform top, and the bullet bottom is the bullet that straight line or curve are rotated into, and is provided with the installation position and the installing hole that are connected with supporting base in the bullet; Bullet and supporting base are fastening with screw, and bullet and inserted link hole relative position have the inserted link through hole through support bar; The fastening through-hole that intersects with the inserted link hole is arranged on the supporting base; Pass fastening through-hole with trip bolt support bar and supporting base are fastenedly connected, air inlet is arranged at said bucker top, and air inlet has lid on the top; The air-out window is arranged around the bucker, water fender and gutter channel are arranged around the air-out window.
The blade of above-mentioned impeller is connected on the blade seat, blade seat is connected to form in the bottom by urceolus and inner core, between inner core and the urceolus reinforcement is arranged, and inner core cooperates with impeller shaft and uses the lateral pin socket connection.
Above-mentioned shaft joint is formed by axle sleeve and with the flexible rubber hose that clip is connected on the axle sleeve; The outer end of axle sleeve is connected with motor shaft; The outer end of flexible rubber hose is through the top clamping of clip and impeller shaft, is provided with anti-skid structure with flexible rubber hose with the faying face of the axle sleeve of clip clamping; Or said shaft joint is: impeller shaft top is the installation position that the equal hole enlargement of interior external diameter forms; The cylindrical of the location division of axle sleeve bottom matches with the interior circle of installation position; Flexible rubber hose entangles the installation position and the axle sleeve of impeller shaft simultaneously; The upper end that is stuck in flexible rubber hose with a clip is motor shaft and flexible rubber hose chucking, is stuck in another clip outside the impeller shaft of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion on the corresponding flexible rubber hose.
Above-mentioned buoyancy aid is a hollow blow molding spare, and said buoyancy aid is spherical ball float, on the spherical ball float mouth retaining ring is arranged, and the ball float lid is spirally connected through screw thread under the retaining ring and spherical ball float, and retaining ring and ball float upper part of the cover inwall have the space of backwater; The be connected retainer ring of usefulness of said support bar and ball float is a moulding, and retainer ring is installed in backing plate and the bolted of the outer rafter of support bar with two holes; Or said buoyancy aid is the flat ball float that there is the plane on both sides, and the neck of flat ball float has convex tendon, and the groove on the retainer ring inwall of support bar and flat ball float location usefulness cooperates with convex tendon, makes the plane of flat ball float and the axis parallel of support bar.
The present invention compares prior art outstanding substantive distinguishing features and marked improvement:
1. prevent the device of hot air reflux in the bucker of aerator, the hot blast that forms after the hot intersection of cooling air and fin no longer is back in the motor fan housing, motor temperature is declined to a great extent;
2. abandoned structures such as needing gear, reduction box in the prior art, the complete machine cost is significantly reduced;
3. the no deceleration paddle aerator of the present invention lubricating oil of need not annotating effectively prevents the oil leaking pollution fishing pool;
4. no deceleration paddle aerator of the present invention is simple in structure, and major part realizes not having cutting and few cut by plastics and aluminium die cast.
Description of drawings
Fig. 1 is a no deceleration paddle aerator perspective view of the present invention;
Fig. 2 is a no deceleration paddle aerator sketch map of the present invention (electric motor end cap and supporting base one);
Fig. 3 is the local enlarged diagram of Fig. 2;
Fig. 4 is a no deceleration paddle aerator sketch map of the present invention (electric motor end cap and supporting base split);
Fig. 5 is the structural representation of supporting base of the present invention;
Fig. 6 is a float structure sketch map of the present invention;
Fig. 7 is the local enlarged diagram of Fig. 6;
Fig. 8 is a bucker structural representation of the present invention;
Fig. 9 is a bullet structural representation of the present invention;
Figure 10 is a linear cone sketch map of the present invention;
Figure 11 is a shaped form cone sketch map of the present invention;
Figure 12 is supporting base of the present invention and electric motor end cap integrative-structure sketch map;
Figure 13 is a blade wheel structure sketch map of the present invention;
Figure 14 is a flat ball float structural representation of the present invention;
Figure 15 is support bar of the present invention and retainer plate assembling sketch map
Figure 16 is fan guard of the present invention and division board integrative-structure sketch map;
Figure 17 is fan guard of the present invention and division board integrative-structure sketch map;
Figure 18 is a division board schematic perspective view of the present invention;
Figure 19 is that the motor of aerator of the present invention prevents hot air reflux schematic representation of apparatus (fan guard and division board one);
Figure 20 is that the motor of aerator of the present invention prevents hot air reflux schematic representation of apparatus (bucker, fan guard, division board one);
Figure 21 is that the motor of aerator of the present invention prevents hot air reflux schematic representation of apparatus (fan guard and division board split).
Among the figure: 1-motor; 11-motor shaft; 12-fan guard; 121-annular slab; 122-stiffener; 123-fixing hole; 124-division board; 13-fan;
2-supporting base; 21-bottom end cover; 22-connecting plate; 23-through hole; 24-upper hole; 25-inserted link hole; 26-bearing chamber; 27-bottom hole;
3-bullet; 31-location wall; 32-inserted link through hole; 33-installing hole; 34-installation position; 35-bearing chamber; 36-cylindrical; 37-straight line; 38-curve; 39-flange; 40-hollow-out parts;
4-bucker; 41-air-out window; 42-gutter channel; 43-water fender; 44-lid; 45-air inlet;
5-connector; 51-axle sleeve; 511-location division; 52-flexible rubber hose; 53-clip; 54-anti-slip tank;
6-buoyancy aid; 61-flat ball float; 611-plane; 612-convex tendon; 613-neck; 614-screw thread; 615-retaining ring; 62-retainer ring; 621-groove; 622-backing plate; 63-ball float lid;
7-impeller; 71-urceolus; 72-inner core; 73-blade; 74-breach; 75-reinforcement;
8-impeller shaft; 81-excessively tanks; 82-wide diameter portion; 83-installation position; 84-lateral pin; 85-water lubriucated bearing;
9-support bar.
Embodiment
The present invention is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-2 1:
Prevent the device of hot air reflux in the bucker of aerator, mainly form that motor 1 is vertically installed by motor 1, bucker 4, air inlet 45, air-out window 41 etc.; On the motor shaft that stretch out the motor upper end cooling fan 13 is installed; Outside the cooling fan 13 fan guard 12 is arranged, a plurality of fin are arranged on the motor casing, bucker 4 is arranged outward; There is the bottom all around of air inlet 45, bucker that air-out window 41 is arranged on the bucker; Have between bucker 4 and the motor 1 to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing 12 last time, the hot blast that forms after cooling fan and the fin heat exchange no longer is back in the motor fan housing 12, motor 1 temperature is declined to a great extent.
Said spacer assembly is that fan guard 12 arranged outside have division board 124, and the inwall of the outside of division board 124 and bucker 4 matches, and the outer wall of the inboard of division board 124 and fan guard 12 matches.Fan guard 12 can be made into one with division board 124.Fan guard 12 is processed one with division board 124, uses the mating surface of injection mo(u)lding and bucker 4 that annular slab 121 is arranged, and between the straight wall of annular slab 121 and fan guard 12 stiffener is arranged.The fixing means of fan guard 12 and motor 1 can be that screw or snapping are fixed.Division board 124 cooperates the upper end that makes motor 1 to obtain the housing supporting with bucker 4, increases globality, effectively prevents traffic-induced damage.Bucker, fan guard and division board can also be processed one.
No deceleration paddle aerator of the present invention; Mainly by: buoyancy aid 6, motor 1, impeller shaft 8, impeller 7, bullet 3, bucker 4 etc. are formed; Motor 1 is contained in the housing of bullet 3 and bucker 4 compositions; Motor 1 connects housing by supporting base 2, has between bucker and the motor to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing last time; Motor shaft 11 connects impeller shaft 8 and is equipped with vertically downward in the impeller entering water; Motor body is in position above water, and supporting base 2 horizontal directions are connected with the support bar 9 of three above circumferential arrangement, and the other end of support bar 9 respectively has a buoyancy aid 6; Complete machine leans on buoyancy aid 6 work that floats on the surface; The water body that impeller 7 starts fills a vacancy the water of lower floor by bullet 3 guiding four directions, and the water body convection current reaches the purpose of oxygenation.This machine does not have reducing gear, and noise is low, cost is low, the life-span is long.
The bottom end cover 21 of above-mentioned supporting base 2 and motor is processed one, or supporting base 2 and motor 1 split combination, supporting base 2 levels and circumferentially be evenly equipped with three inserted link holes 25 that cooperate support bars; One end of the support bar of being processed by metal tube is fastened in the inserted link hole 25 of supporting base 2; Inserted link hole 25 and support bar 9 matching parts respectively have screw or pin fastening; The other end of support bar 9 is provided with the retainer ring 62 of buoyancy aid, and support bar 9 is easy to assembly with supporting base 2, does not need flange to connect.
Above-mentioned impeller shaft can be integral with motor shaft 11, or motor shaft 11 is connected by shaft joint 5 with impeller shaft; Impeller shaft 8 is pipes of hollow; Be shaped on tank 81 or water hole on the impeller shaft 8; Impeller shaft 8 cylindrical water lubrication bearings 85; Water lubriucated bearing 85 is installed in that the lower bearing of bullet 3 is indoor, and pipe is lower than solid shafting cost, flows out from the pipe center when crossing tank 81 and making the water that infiltrates in the bullet 3 straight.
Inserted link hole 25 outer walls of above-mentioned supporting base have connecting plate 22; The through hole 23 that connects bullet is arranged on the connecting plate 22, and described bullet 3 is hollow housing, by injection moulding or casting forming; Bullet 3 tops have one section cylindrical 36; Cylindrical 36 tops have flange 39 and with the cooperation position of bucker 4, bullet 3 bottoms are bullets that straight line 37 or curve 38 are rotated into, and are provided with the installation position 34 and the installing hole 33 that are connected with supporting base in the bullet 3; Bullet 3 is fastening by screw with supporting base 2; Bullet 3 has the inserted link through hole 32 through support bar with inserted link hole 25 relative positions, hollow-out parts 40 is arranged below the inserted link through hole, has in the bullet and the corresponding location of supporting base wall 31.
Inserted link hole 25 outer walls of above-mentioned supporting base have the fastener hole that intersects with inserted link hole 25; Fastener hole divides upper hole 24 and bottom hole 27; Screw head can be passed through more greatly in upper hole 24 apertures; Bottom hole 27 is screw or through hole, and the head of trip bolt makes the bottom of support bar 9 and supporting base 2 fastening through upper hole.
Above-mentioned impeller 7 is made up of blade 73, blade seat etc.; Blade seat is connected to form in the bottom by urceolus 71 and inner core 72; There is the hole that cooperates with impeller shaft 8 at inner core 72 centers, between inner core 72 and the urceolus 71 reinforcement 75 are arranged, the breach 74 that inner core 72 has the lateral pin 84 with impeller shaft to cooperate; Lateral pin 84 is by the interior circle location of urceolus 71, and the reinforcement 75 between lateral pin 84, breach 74, inner core 72 and the urceolus 71 transmits moments of torsion jointly; Impeller 7 bottoms are fixed by nut.Impeller 7 extension mouths are by the plastics single injection-molded, and the extension mouth of impeller 7 plays guide functions, and water body is sprayed around bullet 3, if the urceolus internal diameter of impeller greater than the small end of bullet, shouldn't extension mouth.
Above-mentioned shaft joint 5 is that motor shaft 11 is furnished with axle sleeve 51; Axle sleeve 51 has location division 511 and impeller shaft 8 grafting to cooperate and is connected through flexible rubber hose 52; There is clip 53 at described flexible rubber hose 52 two ends, and clip 53 is stuck on the corresponding flexible rubber hose 52 in the outside that anti-skid structure is arranged on the axle sleeve 51; Impeller shaft 8 tops are the installation position 83 that the equal hole enlargement of interior external diameter forms; The cylindrical of location division 511 matches with the interior circle of installation position 83; Described clip 53 is stuck on the corresponding flexible rubber hose 52 in impeller shaft 8 outsides of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion; Clip 53 be by steel plate stretch the cylinder type band bottom outlet form the clip undergauge and block flexible rubber hose 52 two ends, the method for clip is varied, as long as flexible rubber hose 52 two ends and impeller shaft 8 or axle sleeve 51 card jails; Tie up with iron wire good, if the external diameter of motor shaft 11 and impeller shaft 8 external diameters quite can be without axle sleeves 51.
Above-mentioned buoyancy aid 6 is spherical hollow blow molding spares, is called ball float, and retaining ring 615 is arranged on the ball float mouth, and retaining ring is shaped on the screw thread 614 that cooperates with ball float lid 63 for 615 times, and the inwall that retaining ring 615 and ball float cover 63 tops has the space of backwater; Support bar is that coating steel pipe is processed; Support bar 9 is mouldings with the retainer ring 62 that ball float cooperates; Retainer ring 62 is installed in backing plate 622 and the bolted of support bar 9 outer rafters with two holes; Retainer ring 62 is that the moulding cost is low, and retainer ring 62 does not have welding processing with support bar 9, prevents that effectively retainer ring 62 and support bar 9 are because of welding corrosion, fracture.The inwall that retaining ring 615 and ball float cover 63 tops has the space of backwater, can reduce seal request between the screw thread that ball float lid and ball float lid cooperate.
There is plane 611 on the both sides of above-mentioned ball float; Be called flat ball float 61, the neck 613 of flat ball float 61 has convex tendon 612, the retainer ring 62 fluted 621 of ball float; Groove 621 and convex tendon 612 location; The axial line of plane 611 and support bar 9 that makes ball float reduces the oxygenation resistance to water-flow because parallel, and flat ball float 61 is convenient to stack and transport.
The foregoing description is merely preferred embodiment of the present invention, is not to limit protection scope of the present invention according to this, so: all equivalences of doing according to structure of the present invention, shape, principle change, and all should be covered by within protection scope of the present invention.
Claims (10)
1. prevent the device of hot air reflux in the bucker of aerator, include motor and bucker, it is characterized in that motor vertically installs; On the motor shaft that stretch out the motor upper end cooling fan is installed; Cooling fan has fan guard outward, and a plurality of fin are arranged on the motor casing, and fan guard and motor casing are provided with bucker outward; Air inlet is arranged at the top of bucker, the air-out window is arranged at the bottom all around, is provided with between bucker and the motor to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing last time.
2. preventing the device of hot air reflux in the bucker of aerator as claimed in claim 1, it is characterized in that said spacer assembly is a division board, matches with the inwall of bucker in the outside of division board, matches with the outer wall of fan guard in the inboard of division board; Said fan guard and division board are integral structure, and the junction with bucker on the division board is provided with annular slab.
3. prevent the device of hot air reflux in the bucker of aerator as claimed in claim 1, it is characterized in that said bucker, fan guard and division board are integral structure.
4. have the paddle aerator that prevents the hot air reflux device in the arbitrary described bucker of claim 1-3; Mainly comprise buoyancy aid, motor, impeller shaft, impeller, bullet and bucker; It is characterized in that motor is contained in the housing of bullet and bucker composition; Motor connects housing by supporting base, has between bucker and the motor to prevent that the motor heat wind direction from flowing into the spacer assembly of motor fan housing last time; Motor shaft is equipped with impeller vertically downward, the support bar of three above circumferential arrangement that the supporting base horizontal direction is connected with, and the outer end of support bar respectively is connected with a buoyancy aid.
5. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4, the bottom end cover that it is characterized in that supporting base and motor is integral structure or split-type structural, and supporting base level and circumferential arrangement have three inserted link holes that cooperate support bar; One end of the support bar of being processed by metal tube is fastened in the inserted link hole of supporting base, the other end is connected with buoyancy aid through retainer ring.
6. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4, it is characterized in that being connected with impeller on the said motor shaft is: direct mounted impeller on the motor shaft; Or motor shaft is connected with impeller shaft through shaft joint; Mounted impeller on the impeller shaft, said impeller shaft is the pipe of hollow, is shaped on tank or water hole on the impeller shaft; The impeller shaft cylindrical is provided with water lubriucated bearing, and water lubriucated bearing is installed in the bearing chamber of bullet bottom.
7. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4, it is characterized in that the inserted link hole outer wall of supporting base has connecting plate, the through hole that connects bullet is arranged on the connecting plate; Described bullet is a hollow housing; By injection moulding or casting forming, bullet top have one section cylindrical, the cooperation position with bucker is arranged at columniform top; The bullet bottom is the bullet that straight line or curve are rotated into; Be provided with the installation position and the installing hole that are connected with supporting base in the bullet, bullet and supporting base are fastening with screw, and bullet and inserted link hole relative position have the inserted link through hole through support bar; The fastening through-hole that intersects with the inserted link hole is arranged on the supporting base; Pass fastening through-hole with trip bolt support bar and supporting base are fastenedly connected, air inlet is arranged at said bucker top, and air inlet has lid on the top; The air-out window is arranged around the bucker, water fender and gutter channel are arranged around the air-out window.
8. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4; The blade that it is characterized in that impeller is connected on the blade seat, blade seat is connected to form in the bottom by urceolus and inner core; Between inner core and the urceolus reinforcement is arranged, inner core cooperates with impeller shaft and uses the lateral pin socket connection.
9. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4; It is characterized in that said shaft joint forms by axle sleeve and with the flexible rubber hose that clip is connected on the axle sleeve; The outer end of axle sleeve is connected with motor shaft; The outer end of flexible rubber hose is through the top clamping of clip and impeller shaft, is provided with anti-skid structure with flexible rubber hose with the faying face of the axle sleeve of clip clamping; Or said shaft joint is: impeller shaft top is the installation position that the equal hole enlargement of interior external diameter forms; The cylindrical of the location division of axle sleeve bottom matches with the interior circle of installation position; Flexible rubber hose entangles the installation position and the axle sleeve of impeller shaft simultaneously; The upper end that is stuck in flexible rubber hose with a clip is motor shaft and flexible rubber hose chucking, is stuck in another clip outside the impeller shaft of last hole enlargement of intersection of impeller shaft end wide diameter portion and wide diameter portion on the corresponding flexible rubber hose.
10. prevent the paddle aerator of hot air reflux device in the bucker as claimed in claim 4; It is characterized in that said buoyancy aid is a hollow blow molding spare; Said buoyancy aid is spherical ball float; On the spherical ball float mouth retaining ring is arranged, the ball float lid is spirally connected through screw thread under the retaining ring and spherical ball float, and retaining ring and ball float upper part of the cover inwall have the space of backwater; The be connected retainer ring of usefulness of said support bar and ball float is a moulding, and retainer ring is installed in backing plate and the bolted of the outer rafter of support bar with two holes; Or said buoyancy aid is the flat ball float that there is the plane on both sides, and the neck of flat ball float has convex tendon, and the groove on the retainer ring inwall of support bar and flat ball float location usefulness cooperates with convex tendon, makes the plane of flat ball float and the axis parallel of support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100706073A CN102334461B (en) | 2010-07-20 | 2011-03-23 | Device for preventing hot air from flowing back in water shield of aerator and impeller aerator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010238618.3 | 2010-07-20 | ||
| CN201010238618 | 2010-07-20 | ||
| CN2011100706073A CN102334461B (en) | 2010-07-20 | 2011-03-23 | Device for preventing hot air from flowing back in water shield of aerator and impeller aerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102334461A true CN102334461A (en) | 2012-02-01 |
| CN102334461B CN102334461B (en) | 2013-11-27 |
Family
ID=44496413
Family Applications (8)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100706073A Expired - Fee Related CN102334461B (en) | 2010-07-20 | 2011-03-23 | Device for preventing hot air from flowing back in water shield of aerator and impeller aerator |
| CN2011200786001U Expired - Fee Related CN202005207U (en) | 2010-07-20 | 2011-03-23 | Hot air reflowing prevention device in waterproof cover of aerator and pumping aerator |
| CN2011100702918A Expired - Fee Related CN102285724B (en) | 2010-07-20 | 2011-03-23 | Water-lifting aerator |
| CN2011200785615U Expired - Fee Related CN202005206U (en) | 2010-07-20 | 2011-03-23 | Hot air reflowing prevention device in waterproof cover of aerator and impeller aerator |
| CN201110070364.3A Expired - Fee Related CN102334460B (en) | 2010-07-20 | 2011-03-23 | Pumping type aerator for preventing hot air from flowing back |
| CN2011200782693U Expired - Fee Related CN201952291U (en) | 2010-07-20 | 2011-03-23 | Pumping-up aerator |
| CN2011200782778U Expired - Fee Related CN202011789U (en) | 2010-07-20 | 2011-03-23 | Ungeared impeller-type aerobic machine |
| CN2011100702937A Expired - Fee Related CN102336478B (en) | 2010-07-20 | 2011-03-23 | Speed reducing impeller-free aerator |
Family Applications After (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200786001U Expired - Fee Related CN202005207U (en) | 2010-07-20 | 2011-03-23 | Hot air reflowing prevention device in waterproof cover of aerator and pumping aerator |
| CN2011100702918A Expired - Fee Related CN102285724B (en) | 2010-07-20 | 2011-03-23 | Water-lifting aerator |
| CN2011200785615U Expired - Fee Related CN202005206U (en) | 2010-07-20 | 2011-03-23 | Hot air reflowing prevention device in waterproof cover of aerator and impeller aerator |
| CN201110070364.3A Expired - Fee Related CN102334460B (en) | 2010-07-20 | 2011-03-23 | Pumping type aerator for preventing hot air from flowing back |
| CN2011200782693U Expired - Fee Related CN201952291U (en) | 2010-07-20 | 2011-03-23 | Pumping-up aerator |
| CN2011200782778U Expired - Fee Related CN202011789U (en) | 2010-07-20 | 2011-03-23 | Ungeared impeller-type aerobic machine |
| CN2011100702937A Expired - Fee Related CN102336478B (en) | 2010-07-20 | 2011-03-23 | Speed reducing impeller-free aerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (8) | CN102334461B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102334460A (en) * | 2010-07-20 | 2012-02-01 | 吴为国 | Device for preventing hot air from flowing back in water shield of aerator and pumping aerator |
| CN102986585A (en) * | 2012-12-10 | 2013-03-27 | 罗华平 | Improved insect-killing water-culturing oxygenating integrated machine |
| CN105325355A (en) * | 2015-10-22 | 2016-02-17 | 无锡市永亿精密铸造有限公司 | Impeller type aerator |
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| CN103385197B (en) * | 2012-05-07 | 2016-08-03 | 吴为国 | A kind of paddle aerator |
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| CN102334460A (en) * | 2010-07-20 | 2012-02-01 | 吴为国 | Device for preventing hot air from flowing back in water shield of aerator and pumping aerator |
| CN102334460B (en) * | 2010-07-20 | 2014-02-12 | 吴为国 | Pumping type aerator for preventing hot air from flowing back |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102334461B (en) | 2013-11-27 |
| CN102336478B (en) | 2013-06-12 |
| CN102334460B (en) | 2014-02-12 |
| CN201952291U (en) | 2011-08-31 |
| CN102334460A (en) | 2012-02-01 |
| CN102285724A (en) | 2011-12-21 |
| CN102336478A (en) | 2012-02-01 |
| CN202005207U (en) | 2011-10-12 |
| CN202005206U (en) | 2011-10-12 |
| CN102285724B (en) | 2013-04-03 |
| CN202011789U (en) | 2011-10-19 |
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