CN110374916A - A kind of use in dishwasher water pump vane - Google Patents
A kind of use in dishwasher water pump vane Download PDFInfo
- Publication number
- CN110374916A CN110374916A CN201910711774.8A CN201910711774A CN110374916A CN 110374916 A CN110374916 A CN 110374916A CN 201910711774 A CN201910711774 A CN 201910711774A CN 110374916 A CN110374916 A CN 110374916A
- Authority
- CN
- China
- Prior art keywords
- bead filler
- blade
- central axis
- outer cover
- water 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 239000011324 bead Substances 0.000 claims abstract description 68
- 239000000945 filler Substances 0.000 claims abstract description 68
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 2
- 230000004992 fission Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 description 31
- 238000001746 injection moulding Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 238000004851 dishwashing Methods 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 6
- 239000012943 hotmelt Substances 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 241001270131 Agaricus moelleri Species 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2216—Shape, geometry
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
- F04D29/242—Geometry, shape
Abstract
The present invention relates to a kind of use in dishwasher water pump vanes, including bead filler and outer cover cylinder, the outer cover cylinder is simple cylinder, or equivalent cylinder is formed by by other objects of short distance around blade, the equivalent cylinder and bead filler constitute actual water flow passage, the bead filler is made of the blade of central axis and the several groups water flow supply unit being evenly distributed in central axis outside circumference, the bead filler is divided into bead filler upper section and bead filler lower section, the bead filler upper section is centrifugal wheel, it is characterized by: the bead filler lower section is made of the water flow supply unit of 1 grade or 2 grades or 2 grades or more, the blade body of the bead filler upper section centrifugal wheel is in non-radial distribution in the outside circumference of central axis, the bead filler is integrated with outer cover cylinder, it or is fission, invention applies " spiral " runners, it can easily mention Water flow is risen, in different rotating speeds area impeller energy the operation is stable of motor, high-efficient, flow is big, pushes water flow more powerful.
Description
[technical field]
The present invention relates to a kind of use in dishwasher water pump vanes.
[background technique]
Dish-washing machine is the equipment of the tablewares such as automatic cleaning bowl, chopsticks, disk, dish, knife, fork and flushing water fruits and vegetables etc..On the market
Dish-washing machine can be divided into household and commercial two classes, domestic bowl-washing mainly have desk-top, cabinet type (embedded), sink integral type and
Integrated form etc..
Water pump vane is driven by machine shaft, and the water in water source is smoked via impeller, is thrown away, and the water flow thrown away enters rotation
Turn spray arm, projected from the apopore of rotating-spray arm later, thus to the tablewares such as bowl, chopsticks, disk, dish, knife, fork and fruit,
Vegetables etc. are rinsed.Blade water pump has centrifugal, axial-flow type, mixed-flow from the principle, and centrifugal strength is big but blade
Highly narrow, axial-flow type flow is big but lift is low, and mixed-flow is between the above two.Dish-washing machine (especially domestic bowl-washing) for
The considerations of " cycling use of water " and " rotating-spray arm configuration " are limited, narrow space locating for water pump vane and intake position is low, biography
The one stage impeller of system is difficult to meet.
Although water pump vane used in some dish-washing machines has on the basis of one stage impeller currently on the market improves combined type leaf
Wheel, be not simple one stage impeller, as patent publication No. [CN104235061 B], [CN205823715 U],
[CN205823716 U], [CN207513917 U] are described, but improvement effect is still insufficient, is mainly shown as: when motor speed into
To high revolving speed area, passivation obviously occurs for the relationship of flow and revolving speed but power increases, and efficiency reduces, bad stability.
The design of the pipeless pump water pump vane of such dish-washing machine should meet several requirements: first is that low water inlet position
Lift waterborne；Second is that there is stronger load capacity ' water ' of upper lift push (get rid of into) into rotating-spray arm；Third is that wanting
It asks flow enough and stablizes；Three requirements will meet simultaneously.
Since there are the above problems, it is necessary to propose that solution, the present invention are exactly made in this context to it
's.
[summary of the invention]
To achieve the goals above, deficiency in the prior art is solved, the present invention solves these from an other paths
Problem, advantage show themselves in that light grade spiral flow channel, and (1) in prior art products, runner precipitous (hydraulic gradient is big) is
One major defect is the main reason for causing its impeller to enter high revolving speed region aging rate reduction, bad stability.The present invention answers
With " spiral " runner, because screw-shaped flow paths can accomplish that the gradient is small, it is possible to easily promote water flow, therefore in motor
Different rotating speeds area impeller can the operation is stable, it is high-efficient；(2) ' water intaking section ' blade is few, and flow channel space is big, so flow is big；
(3) blade for throwing away wheel arranges that tangential direction arrangement can be obtained than radial arrangement in central axis outside circumference in tangential direction
Bigger water engaging surface product is obtained, therefore the load capacity of impeller is also improved, push water flow is more powerful.
To achieve the above object, present invention employs following technical proposals:
A kind of use in dishwasher water pump vane, including bead filler and outer cover cylinder, the outer cover cylinder be simple cylinder or
It is formed by equivalent cylinder by other objects of short distance around blade, the equivalent cylinder and bead filler constitute actual water flow
Runner, the bead filler is by central axis and the blade of several groups water flow supply unit being evenly distributed in central axis outside circumference
Composition, the bead filler are divided into bead filler upper section and bead filler lower section, and the bead filler upper section is centrifugal wheel, under the bead filler
Section is made of the water flow supply unit of 1 grade or 2 grades or 2 grades or more, the number of blade of the water flow supply unit of the bead filler lower section
Unequal with the number of blade of bead filler upper section centrifugal wheel, the blade body of the bead filler upper section centrifugal wheel is in the outside of central axis
Circumferential surface is in non-radial distribution, and the bead filler is integrated with outer cover cylinder or is seperated.
The blade of every grade of water flow supply unit of bead filler lower section as described above is twist along the outside circumference of central axis
Distribution.
Spiral vane as described above is formed by less than 80 degree angles of the spiral flow channel gradient.
The spiral flow channel gradient as described above is between 10~30 degree of angles.
The blade body of bead filler upper section centrifugal wheel as described above is arranged in central axis outside circumference in tangential direction.
Blade as described above is plate or flexure type.
The arcuate bending in tail portion of camber blades as described above, bending direction is along impeller direction of rotation.
Bead filler as described above is integrated with outer cover cylinder, becomes a complete impeller.
Impeller as described above is simple bead filler or is that the upper section oared segrne pii of the bead filler and outer cover cylinder is combined into
It one or is integrated for the lower section of the bead filler and outer cover cylinder
The number of blade of the water flow supply unit of bead filler lower section as described above and the number of blade of bead filler upper section centrifugal wheel are not
Equal
Bead filler and outer cover cylinder as described above are that detent is fixed and added ultrasound or heats fixed
A kind of water pump has used the use in dishwasher water pump vane as described in claim 1~12 is any.
Complete impeller resolves into the several segments of separation, the corresponding position section of each section of blade, central axis, outer cover cylinder
Three is integrated, each section of correspondence be all for the unit where it is complete, have complete independently unit function where it
Can ability, when use combines paragraph by paragraph.
The beneficial effects of the present invention are:
1, the use in dishwasher water pump vane (see attached drawing 3, Fig. 4, Fig. 5) of the present invention uses multi-level water flow supply unit, can be steady
It is fixed, enough to draw high water flow height, and then water flow is got rid of into washing procedure is carried out in rotating-spray arm, impeller load force is sufficient,
Stability of flow, it is high-efficient.Each combined type impeller is defined to be made of ' water intaking section '+' throwing away wheel ' (see attached drawing 2-1).Then existing
Have in technical products, it is that impeller is caused to enter high turn that " water intaking section " runner precipitous (hydraulic gradient is big), which is a major defect,
The main reason for fast region aging rate reduction, bad stability, allowing ' the runner gradient ' of " water intaking section " to slow down is to solve the problems, such as
It is crucial.Definition " blade+central axis+outer cover cylinder of every group continuous (uninterrupted) " is formed by each runner group and is configured to substantive
The level-one of " water flow supply unit ".Then ' water flow draws high height ' of " water intaking section " full section can pass through the method solution of superposition relay
Certainly, i.e., 1 grade it is not all right with regard to 2 grades, 2 grades are not all right with regard to 3 grades, and 3 grades are not all right with regard to 4 grades ... ..., and relay one by one is just able to achieve ' target
Water flow draws high height ', so being known as " multi-level water flow supply unit ".The water pump vane " water intaking section " of the present invention comprising 1 grade, 2 grades,
3 grades or more of multistage " water flow supply unit ", is shown in attached drawing 3, attached drawing 3-1, attached drawing 4, attached drawing 4-1, attached drawing 5, attached drawing 5-1.
2, the water flow supply unit of water pump vane " water intaking section " each level of the present invention is by several ' blades '+' central axis '
+ ' outer cover cylinder ' composition.' leaf morphology ' of the water flow supply unit of different levels can be it is identical, be also possible to difference, it is excellent
Phase selection is same；' number of blade ' of the water flow supply unit of different levels can it is identical, can also be different, the preferably identical number of blade.When
" water intaking section " is to be made of multi-level water flow supply unit and adjacent its ' leaf morphology ' of two-stage water flow supply unit (or ' blade
Number ') it is different when, to reserve appropriate fore-and-aft distance (reserving gap) between the blade of two-stage and constitute stabilization area to ensure full section
The coherent and stabilization of flow." central axis " is hollow cylinder, inside sets the flat position of installation, interts and realize motor for power supply machine shaft
Shaft is fastened with " water intaking section ".Each level shares ' central axis ' and ' outer cover cylinder '.
3, throwing away wheel (see attached drawing 2-1) is to smoke " water intaking section " outlet end ' water ' again, change direction, throwing away, and firmly will
Water flow is pushed to one section gone in rotating-spray arm.This section is the centrifugal wheel for changing certain attributes, is known as throwing away wheel.Institute
" throwing away wheel " is stated to apply the big feature of centrifugal wheel strength but optimize its some performances." throwing away wheel " is by several ' leaves
Piece '+' central axis '+toroidal ' outer cover cylinder ' is constituted.The central axis of " throwing away wheel " can be ' cylindric ' and [see attached drawing 6
(4)].Be also possible to the curved [seeing attached drawing 8 (4)] ' with flat-top cap ', central axis be it is hollow, the flat position of installation is inside set, for supplying
Machine shaft is interspersed and realizes fastening for machine shaft and " throwing away wheel ".The blade of " throwing away wheel " can be ' plate blade '
(see attached drawing 6, attached drawing 8, attached drawing 9, attached drawing 10) is also possible to ' camber blades ' (see attached drawing 11, attached drawing 12).Change ' plate
Blade ' placed angle can change the load capacity of impeller, attached drawing 6-1 is seen, because the sum of any both sides of triangle are greater than the
Three sides, so having L+r > R, then L > R-r, i.e., ' tangent line side ' length is certain for the triangle that the side+R is surrounded when by r in+L
Greater than ' longitudinal edge ' length, for ' plate blade ', ' tangential direction distribution ' is just than ' radial point on central axis circumferential surface
Cloth ' it is long-pending with bigger water engaging surface, the load capacity of impeller is improved.Allow the foot section brought ' hook-shaped bending ' of ' camber blades '
It can also be improved the load force of impeller.It is placed in ' rotating-spray arm ' in view of the pipeless pump water pump vane in work, impeller is corresponding
Position surrounding is there are appropriate gap, and ' gap location ' is full of water in work, in order to keep the dynamics of blade agitation water more sufficient and impeller
The convenience of mold manufacture, preferably ' plate blade '+' cylindrical center axis ' combine.Toroidal ' the exterior cover pipeline of " throwing away wheel "
Body ' see attached drawing 6 (6).
4, " the water intaking section " of the use in dishwasher water pump vane of the present invention can be integrated use (see attached drawing with " throwing away wheel "
1), seperated (see attached drawing 13, attached drawing 14) can also be used.It needs to guarantee connecing between each seperated section after in use, combining when fission
Touching endface is close contact, because water inlet end pressure is little, ' close contact position ' is without leaking water flow between two sections
Calculating can be with.
5, the use in dishwasher water pump vane of the present invention can also ' bead filler ' separated with ' outer cover cylinder ', recombinant use.
Shown in attached drawing 15, bead filler is together with the upper section oared segrne pii integrated injection molding of outer cover cylinder, and the remainder of outer cover cylinder is then
In addition it is arranged in other objects, is then combined together use again.Shown in attached drawing 16, the lower section of bead filler and outer cover cylinder
Together, in addition the remainder of outer cover cylinder is then arranged in other objects integrated injection molding, being then combined together again makes
With.Shown in attached drawing 17, together in addition integrated injection molding, outer cover cylinder are then arranged in other objects for whole blades and central axis,
Then it is combined together use again.
[Detailed description of the invention]
Fig. 1 is three-dimensional view of the invention.
Fig. 2, Fig. 2-1 are the principle of the present invention view.
Fig. 3 is one decomposition view one of the embodiment of the present invention, bead filler view.
Fig. 3-1 is one decomposition view two of the embodiment of the present invention, exterior cover pipeline stereogram.
Fig. 4 is two decomposition view one of the embodiment of the present invention, bead filler view.
Fig. 4-1 is two decomposition view two of the embodiment of the present invention, exterior cover pipeline stereogram.
Fig. 5 is three decomposition view one of the embodiment of the present invention, bead filler view.
Fig. 5-1 is three decomposition view two of the embodiment of the present invention, outer cover cylinder front view.
Fig. 6 is to throw away wheel one view of implementation.
Fig. 6-1 is to throw away wheel one top view of implementation.
Fig. 7 is one first glue part technique three-dimensional view of embodiment
Fig. 7-1 is one second glue part technique three-dimensional view of embodiment
Fig. 7-2 is one finished product technique cross-sectional view of embodiment
Fig. 7-3 is one finished product three-dimensional view of embodiment
Fig. 8 is to throw away wheel two view of implementation.
Fig. 8-1 is to throw away wheel two top view of implementation.
Fig. 9 is to throw away wheel implementation three-view diagram.
Fig. 9-1 is to throw away wheel three top view of implementation.
Figure 10 is to throw away wheel four view of implementation.
Figure 10-1 is to throw away wheel four top view of implementation.
Figure 11 is to throw away wheel five view of implementation.
Figure 11-1 is to throw away wheel five top view of implementation.
Figure 12 is to throw away wheel implementation six views.
Figure 12-1 is to throw away wheel six top view of implementation.
Two sections of assembled views of the mode one that Figure 13 is separately manufacturing, recombinant uses.
Three sections of assembled views of the mode one that Figure 14 is separately manufacturing, recombinant uses.
Two view of mode that Figure 15, Figure 16 are separately manufacturing, recombinant uses.
The mode three-view diagram that Figure 17 is separately manufacturing, recombinant uses.
Figure 18 is two third glue part technique three-dimensional view of embodiment.
Figure 19 is the 4th glue part technique three-dimensional view of embodiment 3.
[specific embodiment]
Further detailed description is done to the present invention with reference to the accompanying drawing.
As shown in Fig. 1 to Figure 19, a kind of use in dishwasher water pump vane, including bead filler and outer cover cylinder, the exterior cover pipeline
Body for simple cylinder or is formed by equivalent cylinder by other objects of minimum distance around blade, the equivalent cylinder and leaf
Core wheel constitutes actual water flow passage, and the bead filler is by central axis and is evenly distributed on several in central axis outside circumference
The blade composition of group water flow supply unit, the bead filler are divided into bead filler upper section and bead filler lower section, the bead filler upper section
For centrifugal wheel, the bead filler lower section is made of the water flow supply unit of 1 grade or 2 grades or 2 grades or more, the bead filler upper section from
The blade body of heart wheel and the outside circumference out of plumb of central axis, the bead filler are integrated with outer cover cylinder or are seperated.This
The use in dishwasher water pump vane of invention has level-one or second level or multi-level water flow conveying mechanism, can draw high water flow height, and then will
Water flow get rid of into rotation gushing arm in carry out the program that washes the dishes, impeller load force is strong, draws water high-efficient.
It should be understood that upper and lower, left and right in this specification, upwards, downwards, to the left, to the right, directional terms be to be directed to
The description in orientation shown in the drawings, these orientation are not restrictive.If without certain illustrated, term herein to
Interior, outside, inside and outside, inside, outside refer to the range relative to part centre.In addition, terms such as term are horizontal, holds up, dangles
It is not offered as requiring component abswolute level or pendency, and allows to be slightly tilted, holded up relatively as level simply means to its direction
For it is more horizontal, being not offered as the structure but can fully horizontally will be slightly tilted.It is only logical in following detailed description
The mode for crossing explanation describes certain exemplary embodiments of the invention, and undoubtedly, those skilled in the art can be with
It recognizes, it without departing from the spirit and scope of the present invention, can be with a variety of different modes to described embodiment
It is modified.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
Embodiment one
Embodiment of the present invention sees attached drawing 3, attached drawing 3-1, by the level-one ' water flow of continuous uninterrupted long spire formula runner
Supply unit ' constitute " water intaking section ".1, water intaking section: see attached drawing 2-1, a kind of use in dishwasher water pump vane of the present invention, the water pump
Impeller includes a sections (water intaking sections) and b sections (throwing away wheel).See attached drawing 3, a sections include hollow center axis for interting machine shaft
1, it is equipped in " central axis 1 " flat position is installed, convenient for being fastened with machine shaft.It is equipped on the outside of " central axis 1 " axis body
Several screw blades 2, each " screw blade 2 " is by 360 degree of circumference divided by angle (referred to as array angle obtained by ' number of blade '
Degree, if the number of blade is N, then array angle=360 ÷ N, N are the natural number equal to 1,2,3 or more) surround " central axis 1 " axis
Heart array distribution.The outside of " screw blade 2 " is equipped with outer cover cylinder 3.The interior edge of " screw blade 2 " and " central axis 1 "
Outer surface is connected.The height of " central axis 1 " is identical as the height of " outer cover cylinder 3 ".The reality of two neighboring " screw blade 2 "
The inner surface of body+" central axis 1 " outer surface+" outer cover cylinder 3 " surrounds a cavity and shape in three dimensions jointly
At water stream channel, the water stream channel is around " central axis 1 " spiral escalation, referred to as spiral flow channel.In the band of machine shaft
Under dynamic, a sections of entirety are rotated with machine shaft, and the entrance of " spiral flow channel " is imported into source water, this ' water ' is limited in " spiral shape
The bottom lifting for " spiral flow channel " that runner " is interior, is constantly rotated, flows out from the outlet of " spiral flow channel ", thus real
The lifting for having showed water flow, has also obtained exit velocity.Again because " spiral flow channel " gradient is relatively slow, in motor different rotating speeds
Stability of flow when (low speed, middling speed, high speed).The quantity of the present embodiment " screw blade 2 " is 2, and ' array angle ' is equal to 180
Degree, i.e., " screw blade is symmetrical with the axle center of 2 " with central axises 1 ", and ' about 18 degree of angles of runner gradient α ' value, ' twine for two panels
Around angle φ ' it is equal to 360 degree of angles, ' blade pitch P ' is slightly less than " water intaking section " height H, and ' runner pitch P ' is slightly less than the half of H,
The tail position of " screw blade 2 " is lower than " outer cover cylinder 3 " height 3mm or so using slot milling as stabilization area, to ensure
The water flow of " throwing away wheel " water inlet is more stable.
2, it throws away wheel: seeing attached drawing 6, " the throwing away wheel " includes the central axis 4 for interting machine shaft, " central axis 4 "
For hollow cylinder, the flat position of installation is inside set, convenient for fastening with machine shaft, axis height is less than blade tip height, reserves fastening
Nut position.Tangential direction is dispersed with several evenly distributed and impellers and revolves in " central axis 4 " the axis body outside circumference
Turn direction plate blade 5 in the same direction, " the plate blade 5 " there are 5 sides, and following 51 are embedded in " center in level, inner edge 52
In axis 4 ", top 53 is plano-convex side, and perpendicular to horizontal plane, lower outside side 55 is that (attached drawing 6 regards recessed straight flange on upper outside side 54
55 sides are blocked in figure), such 5 side construction as possible so that the area of blade maximizes, while 53 and while 54 form opening
Water outlet.How does this example (place from the riding position of blade and is just able to achieve water engaging surface product maximization?) and blade shape
Could (how constructing make the area of blade maximize to state construction?) two aspects have all accomplished the maximization of blade area, so
The load capacity of impeller has great optimization.The outside on side 55 is equipped with toroidal outer cover cylinder 6.2 adjacent " blade 5 "
The inner surface of entity+" central axis 4 " outer surface+toroidal " outer cover cylinder 6 " surrounds one in three dimensions jointly
A cavity and form water stream channel, runner broadens from entrance to outlet is gradually radial, under the drive of machine shaft, " throwing away wheel "
Whole to rotate with machine shaft, ' water ' of " water intaking section " outlet end pours the entrance of " throwing away wheel " water stream channel with muzzle velocity,
It is directly or indirectly pushed in rising by the blade in channel, then obtains centrifugal force, under the collective effect of axial inertia and centrifugal force
' water ' particle is run toward the direction far from axle center, then obtains bigger centrifugal force ..., in this way, water flow is at runner exit with small angle
Diverging is thrown away degree (angle with horizontal plane, referred to as angle of water) outward.Change " toroidal outer cover cylinder 6 " concave surface section inside
The radius of curvature on surface will affect angle of water.One number of blade of the present embodiment is 6.
3, production technology: the present embodiment one " central axis 1 "+" screw blade 2 "+" central axis 4 "+broadening formation " outer cover
For 6 " integrated injection molding of cylinder at the first glue part (see attached drawing 7), it is recessed that the first glue part oared segrne pii outside is evenly distributed with several axial directions
Slot." outer cover cylinder 3 "+broadening formation " outer cover cylinder 6 " integrated injection molding is at the second glue part (see attached drawing 7-1), the second glue part loudspeaker
The internal diameter of mouth section is slightly larger than the outer diameter of the first glue part oared segrne pii and corresponding first glue part is evenly distributed with equal number of axial direction
Raised line.Dimensional tolerance is with two glue parts are in ' oared segrne pii ' and ' screw blade outer is contacted with cylinder contact-segment ' tie-down as mark
It is quasi-.First glue part oared segrne pii is pressed into the second glue part ultrasound again or hot melt, ' detent is fixed ' plus ultrasound or the dual fixation of hot melt,
The intensity and appearance of product are ensured.(see attached drawing 7-2, attached drawing 7-3)
Embodiment two
Embodiment two of the present invention is shown in attached drawing 4, attached drawing 4-1, is conveyed by intermittent two-stage short screw-shaped flow paths ' water flow
Unit ' " water intaking section " is constituted, " throwing away wheel " is the same as embodiment one.See attached drawing 4, it is single to define the conveying of junior's short screw-shaped flow paths ' water flow
Member ' it is a1, the upper level of a1 is a2.The embodiment two " water intaking section " includes the hollow center axis 1 for interting machine shaft,
It is equipped in " central axis 1 " flat position is installed, convenient for being fastened with machine shaft.At " central axis 1 " if being equipped on the outside of axis body
Dry a1 sections of blades 21 and several a2 sections of blade 22, blade 21 and blade 22 are by 360 degree of the circumference ' blades divided by place section
(referred to as array angle, if the number of blade is N, then array angle=360 ÷ N, N are equal to 1,2,3 or more to number ' gained angle
Natural number) surround " central axis 1 " axle center array distribution.The outside of " blade 21 " and " blade 22 " is equipped with shared outer cover cylinder 3,
The interior edge of " blade 21 " and " blade 22 " is connected with the outer surface of " central axis 1 ".The tail end of " blade 21 " and " blade 22 "
Front end is not attached to, and separates appropriate distance in the longitudinal direction, the outer surface and " outer cover cylinder 3 " of the distance segment and " central axis 1 "
Inner surface one section of cavity is formed on longitudinal space as stabilization area, be labeled as a1a2 sections.The height of " central axis 1 " with it is " outer
The height of cover cylinder 3 " is identical.At a1 sections, entity+" central axis 1 " outer surface of two neighboring " screw blade 21 "+
The inner surface of " outer cover cylinder 3 " surrounds a cavity in three dimensions jointly and forms water stream channel, which encloses
Around " central axis 3 " spiral escalation, it is labeled as spiral flow channel 1.Similarly at a2 sections, two neighboring " screw blade 22 "
The inner surface of entity+" central axis 1 " outer surface+" outer cover cylinder 3 " surround a cavity in three dimensions jointly and
Water stream channel is formed, which is labeled as spiral flow channel 2 around " central axis 3 " spiral escalation.In machine shaft
Drive under, a1 sections whole to rotate with machine shaft, and the entrance of " spiral flow channel 1 " is imported into source water, this ' water ' is limited in
The bottom lifting for " spiral flow channel 1 " that " spiral flow channel 1 " is interior, is constantly rotated, from the outlet stream of " spiral flow channel 1 "
The lower end for reaching a1a2 sections out, it is thus achieved that the lifting of water flow.Water flow is also squeezed into constantly, is pushed water flow up to walk, is arrived
The entrance for entering " spiral flow channel 2 " up to a1a2 sections of upper ends, is limited in " spiral into ' water ' in " spiral flow channel 2 "
The bottom lifting for " spiral flow channel 2 " that shape runner 2 " is interior, is constantly rotated, flows out from the outlet of " spiral flow channel 2 ", to
The water inlet of " throwing away wheel " washes away, and the water inlet for reaching " throwing away wheel " is promoted through two-stage.The present embodiment " spiral flow channel " slope
Degree is still relatively slow, so the stability of flow at motor different rotating speeds (low speed, middling speed, high speed), but a1a2 sections cannot grow,
I.e. the distance between the 1st grade blade group and the 2nd grade blade group cannot be big, are otherwise likely to result in cutout, also unstable.This implementation
Example " blade 21 " and " blade 22 " is with the same quantity of form, and quantity is all 3, and ' array angle ' is approximately equal to 120 degree, ' runner slope
About 21 degree of angles of α ' value are spent, ' 117 degree of angles of winding angle φ ' value, ' blade pitch P ' is slightly less than the 1.33 of water intaking section height H
Times, ' runner pitch P ' is slightly less than the one third of H.The tail position of " blade 21 " is lower than a1 sections of height 3mm or so to reserve sky
Between be used as stabilization area, the tail position of " blade 22 " lower than a2 sections of height 3mm or so using slot milling as stabilization area, to ensure
The water flow of " throwing away wheel " water inlet is more stable.
2, throw away wheel: " the throwing away wheel " of the embodiment two and " the throwing away wheel " of embodiment one is identical,.
3, the production technology of the embodiment two: the present embodiment two " central axis 1 "+" blade 21 "+" blade 22 "+" center
Axis 4 "+broadening formation " outer cover cylinder 6 " integrated injection molding is at third glue part (see attached drawing 18), and third glue part oared segrne pii outside is uniformly
Several axial notches are distributed with." exterior cover pipeline 3 "+broadening formation " outer cover cylinder 6 " integrated injection molding is at the second glue part (see attached drawing
7-1), the second glue part oared segrne pii internal diameter is slightly larger than third glue part oared segrne pii outer diameter and corresponding third glue part is evenly distributed with
Equal number of axial direction raised line.Dimensional tolerance is with two glue parts are in ' oared segrne pii ' and ' screw blade outer is contacted with cylinder
Section ' contact is fastened as standard.Third glue part oared segrne pii is pressed into the second glue part ultrasound again or hot melt, ' detent is fixed ' plus ultrasound
Or the dual fixation of hot melt, ensure the intensity and appearance of product.
Embodiment three
Embodiment three of the present invention is shown in attached drawing 5, attached drawing 5-1, by level-one ' water flow supply unit '+' vast sky of short runner
Section ' constitute " water intaking section ", i.e., 1 grade of short runner is made of ' short blade group '+' central axis '+' outer cover cylinder ', is above blade group
It is empty." throwing away wheel " is the same as embodiment one.See attached drawing 5, the embodiment three " water intaking section " includes for interting the hollow of machine shaft
Central axis 1 is equipped in " central axis 1 " and installs flat position, convenient for fastening with machine shaft.Outside " central axis 1 " axis body
Side is equipped with several blades 2, and each " blade 2 " is by 360 degree of circumference divided by angle (referred to as array angle, if leaf obtained by ' number of blade '
The piece number is N, then array angle=360 ÷ N) surround " central axis 1 " axle center array distribution.The outside of " blade 2 " is equipped with exterior cover pipeline
Body 3, the interior edge of " blade 2 " are connected with the outer surface of " central axis 1 ".The height of the height of " central axis 1 " and " outer cover cylinder 3 "
It is identical.The inner surface of the entity of two neighboring " blade 2 "+" central axis 1 " outer surface+" outer cover cylinder 3 " is jointly three
A cavity is surrounded in dimension space and forms channel, referred to as channel, which rises around " central axis 1 ".In machine shaft
Drive under, water intaking section integrally is rotated with machine shaft, the entrance in " channel " is imported into source water, this ' water ' is limited in " channel "
Interior, " channel " that is constantly rotated bottom lifting, flows out from the outlet in " channel ", reaches the bottom of " long dead band ", water flow
It is also squeezed into constantly, water flow is pushed up to walk, reached the upper end of " long dead band ", reach the water inlet of " throwing away wheel ", realized
The lifting of water flow.Ratio of slope above-described embodiment one of short runner and wanting suddenly for embodiment two, otherwise water flow may not reach
The water inlet of " throwing away wheel ", it is assumed that angle of gradient θ, then ' water particle ' obtains upward ' longitudinal dynamic in the collision with " blade 2 "
Amount component ' (a kind of relationship being presented with K × sin (θ) × cos (θ) product, K is non-constant coefficient) related with angle of gradient θ,
As the runner gradient is by gradual steep (i.e. θ, which starts from scratch, to become larger), longitudinal momentum component becomes larger, and illustrates that upward thrust becomes therewith
Greatly, so the runner gradient of the present embodiment three is steeper.But continue to increase after angle of gradient θ is greater than a certain angle, upward pushes away
Power becomes smaller therewith instead, and the energy quantitative change idle work of consumption is gone, and here it is the appearance when motor enters high revolving speed area of precipitous runner
The reason of problems.Although the runner of the present embodiment three is steep, blade is short, and runner is short, and the distance to flog a dead horse is short, " long
Dead band " shifts water flow onto the water inlet of " throwing away wheel " by upward thrust, but the experimental result of the present embodiment three evident from than
The effect of embodiment one and embodiment two is poor.The quantity of the present embodiment three " blade 2 " is 5, and ' array angle ' is equal to 72 degree,
' 35 degree of angles of runner gradient α ' value, ' winding angle φ ' is equal to 70 degree of angles, and ' long dead band ' height is about the 2 of ' blade sections ' height
Times.
2, throw away wheel: " the throwing away wheel " of the embodiment three and " the throwing away wheel " of embodiment one is identical, sees.
3, the production technology of the embodiment three: the present embodiment three " central axis 1 "+" blade 2 "+" central axis 4 "+loudspeaker
The shape of the mouth as one speaks " outer cover cylinder 6 " integrated injection molding is at the 4th glue part (see attached drawing 19), if being evenly distributed on the outside of the 4th glue part oared segrne pii
Dry axial notch." exterior cover pipeline 3 "+broadening formation " outer cover cylinder 6 " integrated injection molding is at the second glue part (see attached drawing 7-1), and second
Glue part oared segrne pii internal diameter slightly larger than the 4th glue part oared segrne pii outer diameter and corresponding 4th glue part be evenly distributed with it is equal number of
Axial raised line.Dimensional tolerance is with two glue parts are in ' oared segrne pii ' and ' screw blade outer is contacted with cylinder contact-segment ' tie-down
For standard.4th glue part oared segrne pii is pressed into the second glue part ultrasound again or hot melt, and ' detent is fixed ' plus ultrasound or hot melt are dual
It is fixed, ensure the intensity and appearance of product.
The mode that separately manufacturing, recombinant use
Water pump for dish-washing machine impeller of the present invention can also realize integral type in such a way that separately manufacturing, recombinant use
The approximately uniform function of impeller and performance.The mode that separately manufacturing, recombinant use has following three kinds: mode one is separate unit
It is multi-section combined, if attached drawing 13 is two sections of combinations, if attached drawing 14 is three Duan Zuhe, the unit of their each section of correspondence where it
For be all ability that is complete, having complete independently Elementary Function where it, when use, combines paragraph by paragraph, by central axis top
Portion's ' fastening nut ' even if with guarantee after machine shaft fastening each section dock end face be close contact can be with without leaking water flow.
The impeller of which difference not big with Unitary Impeller in function and performance, but product strength, appearance, assembly ease
Have an impact.Mode two is semi-independent unit assembly type, as shown in Fig. 15, blade+central axis+outer cover cylinder upper section horn mouth
Together, in addition the remainder of outer cover cylinder is then arranged in other objects, assemble for position section three in one injection molding
It can realize the approximately uniform function of Unitary Impeller and performance." throwing away wheel " in this kind of mode, unit is complete, but is taken
Water segment unit is imperfect, and ' the outer cover cylinder ' of water intaking section is moulded in other object and then is assembled could realize together
Normal function, so referred to as semi-independent unit assembly type.As shown in Fig. 16, blade+central axis+outer cover cylinder water intaking section
Set section three in one injection molding together, in addition the remainder of outer cover cylinder is then arranged in other objects, assemble just
The approximately uniform function of Unitary Impeller and performance may be implemented." water intaking section " unit is complete in this kind of mode, but " is thrown away
Wheel " unit is imperfect, and ' the outer cover cylinder ' that throws away wheel is moulded in other object and then is assembled could realize together
Normal function, so referred to as semi-independent unit assembly type.Mode three is dependent unit assembly type, as shown in Fig. 17, impeller
In addition core integrated injection molding, outer cover cylinder are then arranged in other objects, Unitary Impeller approximation can be realized by assembling
Identical function and performance.Each unit is all imperfect in this kind of mode, is unable to the function of its place elementary section of complete independently,
In addition match with the articles where ' outer cover cylinder ' and be just able to achieve normal function, so referred to as dependent unit assembly type.
The implementation of " throwing away wheel "
" throwing away wheel " unit of water pump for dish-washing machine impeller of the present invention has 6 kinds of implementations: the implementation is seen
Attached drawing 6, attached drawing 6-1, the implementation two are shown in attached drawing 8, attached drawing 8-1, including the central axis 4 for interting machine shaft, " in
Mandrel 4 " is the curved hollow cylinder of ' with flat-top cap ', inside set and install flat position, convenient for fastening with machine shaft, in axis top
Centre recess, reserves fastening nut position.Tangential direction is dispersed with several uniformly in " central axis 5 " the axis body outside circumference
Arrange and impeller direction of rotation quadrangle flat board blade 5 in the same direction.Horn mouth is equipped in the inferior border of " blade 5 "
Shape outer cover cylinder 6.The implementation three is as shown in attached drawing 9, attached drawing 9-1, including the central axis 4 for interting machine shaft,
" central axis 4 " is hollow cylinder, inside set the flat position of installation, and convenient for fastening with machine shaft, axis height is less than blade tip height,
Reserve fastening nut position.In " central axis 4 " the axis body outside circumference tangential direction be dispersed with several are evenly distributed,
The pentagon plate blade 5 in the same direction with impeller direction of rotation.Toroidal exterior cover pipeline is equipped in the inferior border of " blade 5 "
Body 6.The implementation four is as shown in attached drawing 10, attached drawing 10-1, including the central axis 4 for interting machine shaft, " central axis
4 " be the curved hollow cylinder of ' with flat-top cap ', inside set and install flat position, convenient for being fastened with machine shaft, axis top central fovea
It falls into, reserves fastening nut position.It is evenly distributed to be dispersed with several for tangential direction in " central axis 4 " the axis body outside circumference
, with impeller direction of rotation quadrangle flat board blade 5 in the same direction.It is equipped with outside toroidal in the inferior border of " blade 5 "
Cover cylinder 6.The implementation five is as shown in attached drawing 11, attached drawing 11-1, including the central axis 4 for interting machine shaft, " in
Mandrel 4 " is the curved hollow cylinder of ' with flat-top cap ', inside set and install flat position, convenient for fastening with machine shaft, in axis top
Centre recess, reserves fastening nut position.Tangential direction is dispersed with several uniformly in " central axis 4 " the axis body outside circumference
Arrange and impeller direction of rotation quadrangle camber blades 5 in the same direction.Horn mouth is equipped in the inferior border of " blade 5 "
Shape outer cover cylinder 6.The implementation six is as shown in attached drawing 12, attached drawing 12-1, including the central axis for interting machine shaft
4, " central axis 4 " is the curved hollow cylinder of ' with flat-top cap ', inside set and install flat position, convenient for being fastened with machine shaft,
Axis top concavity, reserves fastening nut position.Tangential direction is dispersed with several in " central axis 4 " the axis body outside circumference
A evenly distributed and impeller direction of rotation quadrangle camber blades 5 in the same direction, the arcuate bending of blade afterbody, bending
Direction is along impeller direction of rotation.Toroidal outer cover cylinder 6 is equipped in the inferior border of " blade 5 ".
" the water intaking section " of the corresponding specification of " the bead filler lower section " of claims, but its concept extension is than " water intaking section "
Small, " water intaking section " includes " bead filler lower section " and outer cover cylinder section；Similarly, " the bead filler upper section " of claims corresponding explanation
" throwing away wheel " on book, but its concept extension is smaller than " throwing away wheel ", and " throwing away wheel " includes " bead filler upper section " and outer cover cylinder
Oared segrne pii.
Foregoing description of the present invention is fluid media (medium) for embodiment using water, but the fluid media (medium) of its application includes but is not limited to
Water, the present invention include but is not limited to above-described embodiment and content shown in the drawings, other all and technical solution of the present invention have
There is the product structure of identical essentiality content to fall within the scope of protection of the present invention.
Claims (11)
1. a kind of use in dishwasher water pump vane, including bead filler and outer cover cylinder, the outer cover cylinder be simple cylinder or by
Other objects of short distance are formed by equivalent cylinder around blade, and the equivalent cylinder and bead filler constitute actual water flow stream
Road, the bead filler is by central axis and the blade group of several groups water flow supply unit being evenly distributed in central axis outside circumference
At the bead filler is divided into bead filler upper section and bead filler lower section, and the bead filler upper section is centrifugal wheel, it is characterised in that: institute
It states bead filler lower section to be made of the water flow supply unit of 1 grade or 2 grades or 2 grades or more, the water flow of the bead filler lower section conveys single
The number of blade of member and the number of blade of bead filler upper section centrifugal wheel are unequal, and the blade body of the bead filler upper section centrifugal wheel is in
The outside circumference of mandrel is in non-radial distribution, and the bead filler is integrated with outer cover cylinder or is seperated.
2. use in dishwasher water pump vane according to claim 1, it is characterised in that: every grade of water flow of the bead filler lower section
The blade of supply unit is twist distributed along the outside circumference of central axis.
3. use in dishwasher water pump vane according to claim 2, it is characterised in that: the spiral vane is formed by spiral shell
Revolve less than 80 degree angles of the shape runner gradient.
4. use in dishwasher water pump vane according to claim 3, it is characterised in that: the spiral flow channel gradient 10~
Between 30 degree of angles.
5. use in dishwasher water pump vane according to claim 1, it is characterised in that: the leaf of the bead filler upper section centrifugal wheel
Piece main body is arranged in central axis outside circumference in tangential direction.
6. use in dishwasher water pump vane according to claim 5, it is characterised in that: the blade is plate or bending
Type.
7. use in dishwasher water pump vane according to claim 6, it is characterised in that: the tail portion of the camber blades is arc-shaped
Hook-shaped bending, bending direction is along impeller direction of rotation.
8. use in dishwasher water pump vane according to claim 1, it is characterised in that: the bead filler is combined into outer cover cylinder
One, becomes a complete impeller.
9. use in dishwasher water pump vane according to claim 1, it is characterised in that: if complete impeller is resolved into separation
Dry section, each section of central axis, blade, outer cover cylinder corresponding position section three be integrated.
10. use in dishwasher water pump vane according to claim 1, it is characterised in that: the impeller be simple bead filler or
Person is that the upper section oared segrne pii of the bead filler and outer cover cylinder is integrated or is under the bead filler and outer cover cylinder
Section is integrated.
11. a kind of water pump, it is characterised in that: used the use in dishwasher water pump vane as described in claim 1~10 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711774.8A CN110374916A (en) | 2019-08-02 | 2019-08-02 | A kind of use in dishwasher water pump vane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910711774.8A CN110374916A (en) | 2019-08-02 | 2019-08-02 | A kind of use in dishwasher water pump vane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110374916A true CN110374916A (en) | 2019-10-25 |
Family
ID=68257778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910711774.8A Pending CN110374916A (en) | 2019-08-02 | 2019-08-02 | A kind of use in dishwasher water pump vane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110374916A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143142A (en) * | 2020-01-22 | 2021-07-23 | 宁波方太厨具有限公司 | Cleaning machine |
| CN113520264A (en) * | 2020-04-14 | 2021-10-22 | 宁波方太厨具有限公司 | Water pumping mechanism for cleaning machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000189372A (en) * | 1998-12-25 | 2000-07-11 | Matsushita Electric Ind Co Ltd | Dish washing and drying machine |
| CN106015083A (en) * | 2016-07-05 | 2016-10-12 | 江门市地尔汉宇电器股份有限公司 | Mixed flow pump impeller and water pump |
| CN109973423A (en) * | 2017-12-28 | 2019-07-05 | 宁波方太厨具有限公司 | Water pump vane and its application for cleaning machine |
| CN211525170U (en) * | 2019-08-02 | 2020-09-18 | 殷章标 | Improved water pump impeller for dish-washing machine |
-
2019
- 2019-08-02 CN CN201910711774.8A patent/CN110374916A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000189372A (en) * | 1998-12-25 | 2000-07-11 | Matsushita Electric Ind Co Ltd | Dish washing and drying machine |
| CN106015083A (en) * | 2016-07-05 | 2016-10-12 | 江门市地尔汉宇电器股份有限公司 | Mixed flow pump impeller and water pump |
| CN109973423A (en) * | 2017-12-28 | 2019-07-05 | 宁波方太厨具有限公司 | Water pump vane and its application for cleaning machine |
| CN211525170U (en) * | 2019-08-02 | 2020-09-18 | 殷章标 | Improved water pump impeller for dish-washing machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113143142A (en) * | 2020-01-22 | 2021-07-23 | 宁波方太厨具有限公司 | Cleaning machine |
| CN113143142B (en) * | 2020-01-22 | 2022-10-21 | 宁波方太厨具有限公司 | Cleaning machine |
| CN113520264A (en) * | 2020-04-14 | 2021-10-22 | 宁波方太厨具有限公司 | Water pumping mechanism for cleaning machine |
| CN113520264B (en) * | 2020-04-14 | 2023-02-14 | 宁波方太厨具有限公司 | Water pumping mechanism for cleaning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110374916A (en) | A kind of use in dishwasher water pump vane | |
| CN206221315U (en) | Blower fan | |
| US10330104B2 (en) | Air conditioner | |
| CN105452673B (en) | Impeller and the rotating machinery for possessing impeller | |
| US20150030457A1 (en) | Impeller manufacturing method and impeller | |
| CN108953236B (en) | A kind of rotor structure of centrifugal blower | |
| CN106382254A (en) | Impeller | |
| CN211525170U (en) | Improved water pump impeller for dish-washing machine | |
| CN207673439U (en) | It is a kind of to use the molding aero-engine of 3D printing | |
| KR20180039548A (en) | Centrifugal impeller having backward blades using dual gradient sectional shape type | |
| CN107050542A (en) | Minitype centrifugal blood pump and its circulation blood supply method that a kind of anti-haemocyte is damaged | |
| CN109965821A (en) | A kind of cleaning machine | |
| CN108547794A (en) | A kind of fire-fighting high-speed centrifugal pump | |
| CN208918913U (en) | Axial-flow windwheel, air-conditioner outdoor unit and air conditioner | |
| CN103185029A (en) | Centrifugal fan vane | |
| CN203175982U (en) | Centrifugal fan blade | |
| CN207346102U (en) | One kind atomization spray disk, flusher and unmanned plane | |
| CN103185030A (en) | Oblique-flow centrifugal impeller for air conditioner | |
| CN207349169U (en) | A kind of compact liquefied natural gas immersed pump guide vane structure | |
| CN106015083A (en) | Mixed flow pump impeller and water pump | |
| CN109466772A (en) | A kind of atomization spray disk, flusher and unmanned plane | |
| CN209261908U (en) | Wind wheel, fan assembly and dryer | |
| CN108443221A (en) | A kind of centrifugation blade and air cleaning facility | |
| CN103185028A (en) | Backward-inclined centrifugal fan vane | |
| CN207315728U (en) | A kind of wind wheel of vehicular air purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |