CN107165855B - Water impeller and with its draining pump group, washing machine - Google Patents
Water impeller and with its draining pump group, washing machine Download PDFInfo
- Publication number
- CN107165855B CN107165855B CN201710458980.3A CN201710458980A CN107165855B CN 107165855 B CN107165855 B CN 107165855B CN 201710458980 A CN201710458980 A CN 201710458980A CN 107165855 B CN107165855 B CN 107165855B
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- blade
- water impeller
- wheel disc
- washing machine
- impeller
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of water impeller and with its draining pump group, washing machine, water impeller includes: wheel disc, and wheel disc is formed at least partially as boot segment, and on the direction of the bottom surface far from wheel disc, the cross-sectional area of boot segment is gradually reduced；Multiple blades, multiple blade shapes are identical and are circumferentially arranged on wheel disc；The front end of blade is bent in the direction blade of the tail end of the front end of blade to blade to the direction of rotation of water impeller adjacent to the center of wheel disc, the tail end of blade adjacent to the edge of wheel disc；The lower edge of blade is fixed with boot segment, and the upper edge of blade exists relative to lower edge to be deviated, and the direction of offset and the bending direction of blade are consistent.Water impeller according to the present invention is capable of increasing the diversion effect of water impeller, improves the drain discharge of water impeller.
Description
Technical field
The present invention relates to living electric apparatus field more particularly to a kind of water impeller and with its draining pump group, washing machine.
Background technique
The motor of the draining pump for washing machine group of the relevant technologies increases by one usually between motor shaft and water impeller and opens
Chamber is moved to increase output torque to drive water impeller to rotate.Before motor drives water impeller rotation, motor shaft is starting
The both forward and reverse directions of intracavitary progress repeatedly rotate and generate noise, influence the comfort of user.Meanwhile for make motor rotate forward with it is anti-
Draining pump discharge is suitable when turning, and the blade of water impeller is straight, to keep the lift for draining pump group low, drain discharge is small.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of row
Water impeller is capable of increasing the diversion effect of water impeller, improves the drain discharge of water impeller.
The present invention also proposes a kind of draining pump group, including above-mentioned water impeller.
The present invention proposes a kind of washing machine including above-mentioned draining pump group again.
The water impeller of washing machine according to an embodiment of the present invention, comprising: wheel disc, the wheel disc are formed at least partially as drawing
Section is led, on the direction of the bottom surface far from the wheel disc, the cross-sectional area of the boot segment is gradually reduced；Multiple blades, it is described
Multiple blade shapes are identical and are circumferentially arranged on the wheel disc；The front end of the blade is described adjacent to the center of the wheel disc
The tail end of blade is adjacent to the edge of the wheel disc, the blade on the direction of the tail end of the front end of the blade to the blade
It is bent to the direction of rotation of the water impeller；The lower edge of the blade is fixed with the boot segment, the top of the blade
It is deviated along existing relative to the lower edge, the direction of the offset is consistent with the bending direction of the blade.
The water impeller of washing machine according to an embodiment of the present invention, by the way that specific location of multiple blades on wheel disc is arranged
And structure, the structure for being at least a partially formed boot segment of wheel disc is set, so as to increase the diversion effect of water impeller, is improved
The drain discharge of water impeller.
According to some embodiments of the present invention, one end far from the bottom surface of the wheel disc has the fixation of cross-section section
Axis, the front end of the blade are connected with the fixing axle.Thus can also be one while guaranteeing the drain discharge of water impeller
Determine to prevent in degree the cross sectional dimensions of one end due to the separate bottom surface of wheel disc it is smaller (i.e. one end of the separate bottom surface of wheel disc compared with
So that the foreign matters such as line bits is wrapped in the normal work on wheel disc and influencing water impeller, and then can mention to a certain extent
The reliability of high water impeller.On the other hand, since the front end of blade is connected with fixing axle, thus also can be to a certain extent
It avoids foreign matter from being deposited in the gap location between blade and wheel disc and influences the normal work of water impeller, further improve draining
The reliability of impeller.
Specifically, the diameter of the fixing axle is 5-20mm.Thus, it is possible to effectively improve the separate bottom surface due to wheel disc
One end cross sectional dimensions it is smaller and be wrapped in foreign matter on wheel disc and influence water impeller work normally the problem of, Jin Erneng
Enough reliabilities for guaranteeing water impeller to a certain extent.
According to some embodiments of the present invention, the periphery wall of the boot segment is formed as smooth surface, the smooth surface
It is rotated around the axis of rotation and is formed by smooth curve, the rotary shaft is located at the center of the wheel disc and perpendicular to the bottom surface；Institute
The center of curvature for stating any point on smooth curve is respectively positioned on the side far from the rotary shaft of the smooth curve.It is known that water
Flow flowing velocity on smooth surface faster, and the center of curvature of any point is respectively positioned on the remote of smooth curve on smooth curve
The structure setting of side from rotary shaft can further enhance the diversion effect of water impeller, make the water flow of big flow along
Smooth surface flows to the edge of the bottom surface of wheel disc, to improve the drain discharge of water impeller.
According to some embodiments of the present invention, the blade quantity is N, and the N meets: 3≤N≤10.Thereby, it is possible to full
Demand is arranged in the drain discharge and lift of sufficient water impeller.
According to some embodiments of the present invention, the height of the wheel disc is H, the value range of the H are as follows: 10-30mm.By
This, can effectively enhance the diversion effect of water impeller, improve the drain discharge of water impeller.
Further, the height of the blade is h, is met: H >=h.To keep the structure of water impeller relatively reliable, have
Conducive to the diversion effect for improving water impeller.
According to some embodiments of the present invention, the bottom surface of the wheel disc is circle, and the round diameter is D, and the D's takes
It is worth range are as follows: 30-50mm.To keep the structure of the bottom surface of wheel disc simple, easily manufactured, while the value range of the diameter of bottom surface
Restriction advantageously ensure that the reliability of structure of water impeller, while guaranteeing the drain discharge of water impeller 20.
The draining pump group of washing machine according to an embodiment of the present invention, comprising: water impeller, the water impeller are according to this
The water impeller of the washing machine of invention above-described embodiment；And motor, the motor shaft of the motor and the water impeller
Connection is to drive the water impeller to rotate.So as to realize the drain function of draining pump group.
The draining pump group of washing machine according to an embodiment of the present invention, by the way that draining according to the above embodiment of the present invention is arranged
Impeller improves the drain discharge of draining pump group so as to increase the diversion effect of water impeller and the lift of draining pump group.
According to some embodiments of the present invention, the center of the bottom surface is equipped with axis hole, the motor shaft and the axis hole it
Between be interference fitted.To ensure that the reliability connected between motor shaft and water impeller.
Optionally, the motor shaft is equipped with spline, carries out the interference fit by the spline.So as to guarantee
The reliability of the compactness and draining pump group work that are connected between motor shaft and water impeller.
Washing machine according to an embodiment of the present invention, the draining pump group including above-mentioned washing machine.
Washing machine according to an embodiment of the present invention, by the way that draining pump group according to the above embodiment of the present invention is arranged, thus
It is capable of increasing the diversion effect of water impeller and the lift of draining pump group, the drain discharge of draining pump group is improved, increases washing machine
Drainage efficiency.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the main view of water impeller according to an embodiment of the invention；
Fig. 2 is the left view of water impeller according to an embodiment of the invention；
Fig. 3 is the main view of the partial structurtes of water impeller according to an embodiment of the invention；
Fig. 4 is the left view of the partial structurtes of water impeller according to an embodiment of the invention；
Fig. 5 is the main view of another part partial structurtes of water impeller according to an embodiment of the invention；
Fig. 6 is the top view of another part partial structurtes of water impeller according to an embodiment of the invention；
Fig. 7 is the main view of the water impeller of another embodiment according to the present invention；
Fig. 8 is the left view of the water impeller of another embodiment according to the present invention；
Fig. 9 is the main view of the partial structurtes of the water impeller of another embodiment according to the present invention；
Figure 10 is the left view of the partial structurtes of the water impeller of another embodiment according to the present invention；
Figure 11 is the main view of another part partial structurtes of the water impeller of another embodiment according to the present invention；
Figure 12 is the top view of another part partial structurtes of the water impeller of another embodiment according to the present invention；
Figure 13 is the schematic diagram of draining pump group according to an embodiment of the present invention；
Figure 14 is the sectional view in the direction A-A in Figure 13；
Figure 15 is the schematic diagram of spiral case according to an embodiment of the present invention；
Figure 16 is the sectional view in the direction B-B in Figure 15.
Appended drawing reference:
Drain pump group 100；
Water impeller 20；
Wheel disc 2；Boot segment 21；Fixing axle 22；Bottom surface 23；
Blade 3；The front end 311 of blade；The tail end 312 of blade；The lower edge 313 of blade；The upper edge 314 of blade；
Pump case 30；
Spiral case 301；Water inlet 3011；Water outlet 3012.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " length ", "upper", "lower", " preceding ", " water
It is flat ", "bottom", "inner", "outside", " clockwise ", " counterclockwise ", the instructions such as " circumferential direction " orientation or positional relationship for based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The water impeller 20 of washing machine according to an embodiment of the present invention is described below with reference to Fig. 1-Figure 12.
As shown in Fig. 1-Figure 12, the water impeller 20 of washing machine according to an embodiment of the present invention, comprising: wheel disc 2 and multi-disc
Blade 3.
Specifically, wheel disc 2 is formed at least partially as boot segment 21, on the direction of the bottom surface 23 far from wheel disc 2, draw
The cross-sectional area for leading section 21 is gradually reduced.Known water flow is the edge that the bottom surface 23 of wheel disc 2 is flowed to by the upper end of wheel disc 2,
To wheel disc 2 boot segment 21 structure setting can make water flow quickly flow to wheel disc 2 bottom surface 23 edge, that is, guide
The setting of section 21 increases the diversion effect of water impeller 20, and then improves the drain discharge of water impeller 20.
Multiple 3 shapes of blade are identical and are circumferentially arranged on wheel disc 2.It can thus be appreciated that multiple blades 3 are distributed on wheel disc 2
It is even, be conducive to the stability for improving water impeller 20.
The front end 311 of blade is adjacent to the center of wheel disc 2, and the tail end 312 of blade is adjacent to the edge of wheel disc 2, before blade
End 311 to blade tail end 312 direction blade 3 along water impeller 20 direction of rotation be bent.That is, before blade
End 311 to blade tail end 312 bending direction it is identical as the direction of rotation of water impeller 20.To be conducive to increase draining leaf
The diversion effect of wheel 20 improves the drain discharge of water impeller 20.
The lower edge 313 of blade and boot segment 21 are fixed, and the upper edge 314 of blade is opposite, and the lower edge 313 of blade exists
Offset, the direction of offset are consistent with the bending direction of blade 3.That is, the upper edge 314 of blade is relative to the following of blade
It is tilted along 313 towards the direction of rotation of water impeller 20.So as to further increase the diversion effect of water impeller 20, mention
The drain discharge of high water impeller 20.Further, when the upper edge of blade 314 relative to blade lower edge 313 towards row
When the inclined angle in the direction of rotation of water impeller 20 is 10 ° -40 °, it can guarantee that the diversion effect of water impeller 20 is good and drains
Flow is big.
Certain each blade 3 relative to wheel disc 2 structure setting mode it also will be understood that are as follows: when with the thickness side of blade 3
To surface be the plane of reference, the periphery of the plane of reference includes first edge, second edge, third edge and the 4th edge.First side
Edge is the front end 311 of blade and is located on wheel disc 2, and the center of neighbouring wheel disc 2.Second edge be blade tail end 312 and
The edge of neighbouring wheel disc 2.Third edge is the lower edge 313 of blade and fixes with boot segment 21, and the third edge of blade 3
An end of two ends respectively with an end of first edge and second edge be correspondingly connected with.4th edge is blade
Upper edge 314 and the 4th edge two ends another end with another end of first edge and second edge respectively
Portion is correspondingly connected with.It follows that the sequentially connected first edge (front end 311 of blade) of all causes head and the tail of the plane of reference, third
Edge (lower edge 313 of blade), second edge (tail end 312 of blade) and the 4th edge (upper edge 314 of blade) surround.
On the direction of first edge to second edge, the plane of reference is gradually deviated from the radial direction of bottom surface 23, on third side
On edge to the direction at the 4th edge, the plane of reference was gradually deviated from third edge and the face vertical with bottom surface 23, any on the plane of reference
The center of curvature at two o'clock is located at the same side of blade 3.The curved surface that there is certain tilt angle to make the plane of reference be formed.
Water impeller 20 according to an embodiment of the present invention, by the way that specific location and knot of multiple blades 3 on wheel disc 2 is arranged
The structure for being at least a partially formed boot segment 21 of structure, setting wheel disc 2 mentions so as to increase the diversion effect of water impeller 20
The drain discharge of high water impeller 20.
Preferably, the cross section of boot segment 21 is circle.It is easily manufactured to keep the structure of boot segment 21 simple.
Further, when the diameter of the minimum cross-section of boot segment 21 is 0-20mm, it is ensured that water impeller 20
Diversion effect and drain discharge.It follows that when the diameter of the minimum cross-section of boot segment 21 is 0, so that wheel disc 2 is separate
One end of bottom surface 23 is formed as sharp cone distal, to make that the diversion effect of wheel disc 2 is good, drain discharge is big.
According to some embodiments of the present invention, one end of the separate bottom surface 23 of wheel disc 2 has the fixing axle 22 of cross-section section,
The front end 311 of blade is connected with fixing axle 22.It follows that fixing axle 22 and boot segment 21 are arranged along the short transverse of wheel disc 2,
To which the separate bottom surface 23 due to wheel disc 2 can also be prevented to a certain extent while guaranteeing the drain discharge of water impeller 20
One end cross sectional dimensions smaller (i.e. one end of the separate bottom surface 23 of wheel disc 2 is thinner) and make line bits etc. foreign matters be wrapped in wheel disc
The normal work of water impeller 20 is influenced on 2, and then can improve the reliability of water impeller 20 to a certain extent.It is another
Aspect, since the front end 311 of blade is connected with fixing axle 22, to also foreign matter can be avoided to be deposited in blade to a certain extent
Gap location between 3 and wheel disc 2 and the normal work for influencing water impeller 20, further improve the reliable of water impeller 20
Property.
Specifically, when the diameter of fixing axle 22 is 5-20mm, it can effectively improve the separate bottom surface 23 due to wheel disc 2
One end cross sectional dimensions it is smaller and be wrapped in foreign matter on wheel disc 2 and influence water impeller 20 work normally the problem of, into
And it can guarantee the reliability of water impeller 20 to a certain extent.
Optionally, the diameter of fixing axle 22 is 5.5-18.5mm.Further, the diameter of fixing axle 22 is 8.1-
15.3mm。
Optionally, when one end of the separate bottom surface 23 of wheel disc 2 has the fixing axle 22 of cross-section section, the minimum of boot segment 21
The diameter of cross section is equal with the diameter of fixing axle 22.So as to so that fixing axle 22 and 21 arc transition of boot segment, i.e. wheel disc 2
Entire periphery wall be formed as smooth surface, and then make water impeller 20 have preferable diversion effect and biggish blowdown stream
Amount.It can be deposited in the gap of boot segment 21 and 22 junction of fixing axle to avoid foreign matters such as line bits simultaneously and influence water impeller
The reliability of 20 work.
Preferably, the central axis of the axis with boot segment 21 of fixing axle 22 is overlapped.To make the structure of water impeller 20
Reliably.
According to some embodiments of the present invention, the periphery wall of boot segment 21 is formed as smooth surface, and smooth surface is by smooth
Curve rotates around the axis of rotation to be formed, and rotary shaft is located at the center of wheel disc 2 and perpendicular to bottom surface 23.Any point on smooth curve
The center of curvature is respectively positioned on the side of the separate rotary shaft of smooth curve.For example, either segment is indent on smooth curve.
It is known that flowing velocity of the water flow on smooth surface is faster, and on smooth curve any point the center of curvature it is equal
The diversion effect of water impeller 20 can further be enhanced positioned at the structure setting of the side of the separate rotary shaft of smooth curve,
The water flow of big flow is set to flow to the edge of the bottom surface 23 of wheel disc 2 along smooth surface, to improve the blowdown stream of water impeller 20
Amount.Simultaneously it is understood that the cross-sectional area of boot segment 21 gradually subtracts due on the direction of the bottom surface 23 far from wheel disc 2
It is small, it follows that on the direction of the bottom surface 23 far from wheel disc 2, about between any two smooth curves of axisymmetry
The length of the line for being parallel to bottom surface 23 be gradually reduced.Herein it should be noted that " smooth curve " is boot segment 21 upper
The upward any bus in lower section.
According to some embodiments of the present invention, the height of wheel disc 2 is H, when the value range of H are as follows:, can when 10-30mm
The diversion effect for effectively enhancing water impeller 20, improves the drain discharge of water impeller 20.
Further, as shown in Fig. 5 and Figure 11, the height of blade 3 is h, when h meets: when H >=h, can make water impeller 20
Structure it is relatively reliable, be conducive to improve water impeller 20 diversion effect.
Further, when h and H meets: when 0≤H-h≤15mm, can guarantee the drain discharge of water impeller 20, simultaneously
Keep the structure of water impeller 20 simple.
Optionally, 5.2mm≤H-h≤14.3mm.Further 7mm≤H-h≤13.5mm.
According to some embodiments of the present invention, the height of the front end 311 of blade is greater than the height of the tail end 312 of blade.?
The front end 311 of blade is known adjacent to 2 center of wheel disc, and the tail end 312 of blade is adjacent to the edge of wheel disc 2.Therefore, in implementation of the invention
The structure setting of blade 3 can make water flow flow to the tail end 312 of blade along the front end of blade 311 naturally in example, so as to
Enough further improve the drain discharge of water impeller 20.
According to some embodiments of the present invention, 33 quantity of blade is N, when N meets: when 3≤N≤10, can satisfy draining
Demand is arranged in the drain discharge and lift of impeller 20.
Optionally, 4≤N≤9.Further, 5≤N≤7.
Optionally, the bottom surface 23 of wheel disc 2 is circle, round diameter D, when the value range of D are as follows: when 30-50mm, can make
The structure of the bottom surface 23 of wheel disc 2 is simple, easily manufactured, while the restriction of the value range of the diameter of the bottom surface 23 of wheel disc 2 is advantageous
In the reliability of structure of guarantee water impeller 20, while guaranteeing the drain discharge of water impeller 20.
Further, the diameter of the bottom surface 23 of wheel disc 2 is 32.4-48.4mm.Optionally, the diameter of the bottom surface 23 of wheel disc 2
For 35.1-45.3mm.
Optionally, water impeller 20 is integrally formed part.To make being simple to manufacture for water impeller 20, water impeller is improved
20 production efficiency.
Draining pump group 100 according to an embodiment of the present invention is described below with reference to Fig. 1-Figure 16.
The draining pump group 100 of washing machine according to an embodiment of the present invention, comprising: water impeller 20 and motor are (not shown
Out).
Specifically, water impeller 20 is the water impeller 20 according to the washing machine of the above embodiment of the present invention, motor
Motor shaft (not shown go out) is connect to drive the rotation of water impeller 20 with water impeller 20.So as to realize draining pump group 100
Drain function.
The draining pump group 100 of washing machine according to an embodiment of the present invention, it is according to the above embodiment of the present invention by being arranged
Water impeller 20 improves draining pump group so as to increase the diversion effect of water impeller 20 and the lift of draining pump group 100
100 drain discharge.
It is understood that when the motor fixed with direction of rotation of water impeller 20 is connect, when motor shaft rotates counterclockwise,
The Far Left endpoint on 312 top of tail end of blade is located at a left side for the Far Left endpoint of 312 lower part of tail end of blade.If motor shaft is suitable
Clockwise rotation, then the 312 top rightmost endpoint of tail end of corresponding blade is located at the rightmost of 312 lower part of tail end of blade
The right side of endpoint.So as to further improve the drain discharge of draining pump group 100.
Optionally, the fixed rotation of motor.To make to be formed as receded disk impeller with the water impeller 20 of motor axis connection.It can
With understanding be draining pump group 100 further include pump case 30, motor and water impeller 20 are located in pump case 30.When draining pump group 100
Pump case 30 in when being in half half gaseity of water when water (in pump case 30 without full of), the blade 3 of water impeller 20 is to cut
Mode enter the water surface, and the blade of the prior art is to enter the water surface in a manner of slap, thus compared with prior art, motor
Fixed rotation can reduce noise to a certain extent.
Further, pump case 30 further includes spiral case 301, and water impeller 20 is located in spiral case 301 and the wheel of water impeller 20
The central axis of disk 2 is overlapped with the central axis at the water inlet 3011 of spiral case 301.To advantageously ensure that water impeller 20
Drain discharge.Specifically, the half of the height where the tail end 312 of blade and the half of the height where spiral case 301 are located at same
On one horizontal plane.It can be understood that being additionally provided with water outlet 3012 on spiral case 301 so that the water in spiral case 301 to be discharged.
Further, the central axis of water impeller 20 is overlapped with the central axis of spiral case 301.To be conducive to the row of raising
The stability of the structure of water pump group 100.
Optionally, the center of bottom surface 23 is equipped with axis hole (not shown go out), is interference fitted between motor shaft and axis hole.To protect
The reliability connected between motor shaft and water impeller 20 is demonstrate,proved.
Further, motor shaft is equipped with spline, carries out the interference fit by spline.So as to guarantee motor shaft
The reliability that the compactness and draining pump group 100 connected between water impeller 20 works.
Preferably, without starting chamber in draining pump group 100.So as to be effectively prevented from draining pump group 100 in start-up course
The middle comfort for generating noise and influencing user.
Washing machine according to an embodiment of the present invention (not shown go out), the draining pump group 100 including above-mentioned washing machine.
Washing machine according to an embodiment of the present invention, by the way that draining pump group 100 according to the above embodiment of the present invention is arranged, from
And it is capable of increasing the diversion effect of water impeller 20 and the lift of draining pump group 100, the drain discharge of draining pump group 100 is improved,
Increase the drainage efficiency of washing machine.
Below with reference to Fig. 1-Fig. 6 and Figure 13-Figure 16 to the knot of draining pump group 100 accord to a specific embodiment of that present invention
Structure is described in detail.It should be understood that following explanations only has exemplary, those of ordinary skill is reading this
After the following technical proposals of invention, it is clear that technical solution therein or some technical characteristics can be combined or be replaced
It changes, modify, this also falls within protection scope of the presently claimed invention.
As shown in Fig. 1-Fig. 6 and Figure 13-Figure 16, without starting chamber in draining pump group 100, draining pump group 100 includes: draining leaf
Wheel 20, motor and pump case 30.
Specifically, motor and water impeller 20 are located in pump case 30, pump case 30 further includes spiral case 301, is set on spiral case 301
There are water inlet 3011 and water outlet 3012.Water impeller 20 is located in spiral case 301 and the central axis and spiral case of water impeller 20
301 central axis is overlapped.
Water impeller 20 is integrally formed part, and water impeller 20 includes: wheel disc 2 and blade 3.
The central axis of wheel disc 2 is overlapped with the central axis at the water inlet 3011 of spiral case 301.The bottom surface 23 of wheel disc 2 is
Round and diameter is 30-50mm, and the height H of wheel disc 2 is 10-30mm.
One end of the close bottom surface 23 of wheel disc 2 is formed as boot segment 21, and the cross section of boot segment 21 is circle.Wheel disc 2
One end far from bottom surface 23 forms the fixing axle 22 with cross-section section.Fixing axle 22 and boot segment 21 are along the height side of wheel disc 2
To arrangement, the diameter of the minimum cross-section of boot segment 21 is equal with the diameter of fixing axle 22, in the side of the bottom surface 23 far from wheel disc 2
Upwards, the cross-sectional area of boot segment 21 is gradually reduced.The periphery wall of boot segment 21 is formed as smooth surface, and smooth surface is by smooth
Curve rotates around the axis of rotation to be formed, and rotary shaft is located at the center of wheel disc 2 and perpendicular to bottom surface 23.Any point on smooth curve
The center of curvature is respectively positioned on the side of the separate rotary shaft of smooth curve.The diameter of fixing axle 22 is 5-20mm.In boot segment 21
Mandrel line is overlapped with the central axis of fixing axle 22.
Blade 3 is seven, and the shape of seven blades 3 is identical and is circumferentially arranged on wheel disc 2, and the front end 311 of blade is neighbouring
The center of wheel disc 2, the tail end 312 of blade is adjacent to the edge of wheel disc 2, in the direction of the tail end 312 of the front end of blade 311 to blade
Blade 3 is bent to the direction of rotation of water impeller 20, and the lower edge 313 of blade and boot segment 21 are fixed, the upper edge of blade
There is offset in the lower edge 313 of 314 relative vanes, the direction of offset is consistent with the bending direction of blade 3, i.e. the upper edge of blade
314 relative to blade lower edge 313 towards water impeller 20 direction of rotation tilt, inclined angle be 10 ° -40.
The height of the front end 311 of blade is greater than the height of the tail end 312 of blade.And the height h of blade 3 and wheel disc 2
Height H meets 0≤H-h≤15mm.The half of height where the tail end 312 of blade and the half of the height where spiral case 301
In same level.
Motor is rotated counterclockwise, and the motor shaft of motor is connect to drive water impeller 20 to rotate with water impeller 20.
3 bending direction of blade of water impeller 20 is identical as the direction of rotation of motor shaft, i.e., from the tail end of blade 312 to the front end of blade
311 bending direction is counterclockwise.The 312 top Far Left endpoint of tail end of blade is located at 312 lower part of tail end of blade
A left side for Far Left endpoint.The center of bottom surface 23 is equipped with axis hole, and motor shaft is equipped with spline structure to be interference fitted with axis hole.
It is carried out below with reference to structure of Fig. 7-Figure 16 to the draining pump group 100 of another specific embodiment according to the present invention detailed
It describes in detail bright.It should be understood that following explanations only have it is exemplary, those of ordinary skill read it is of the invention under
After stating technical solution, it is clear that technical solution therein or some technical characteristics can be combined or replaced, modified,
This also falls within protection scope of the presently claimed invention.
As shown in Fig. 7-Figure 16, without starting chamber in draining pump group 100, draining pump group 100 includes: water impeller 20, motor
With pump case 30.
Specifically, motor and water impeller 20 are located in pump case 30, pump case 30 further includes spiral case 301, is set on spiral case 301
There are water inlet 3011 and water outlet 3012.Water impeller 20 is located in spiral case 301 and the central axis and spiral case of water impeller 20
301 central axis is overlapped.
Water impeller 20 is integrally formed part, and water impeller 20 includes: wheel disc 2 and blade 3.
The central axis of wheel disc 2 is overlapped with the central axis at the water inlet 3011 of spiral case 301.The bottom surface 23 of wheel disc 2 is
Round and diameter is 30-50mm, and the height H of wheel disc 2 is 10-30mm.
Wheel disc 2 is integrally formed into boot segment 21, and the cross section of boot segment 21 is circle.In the bottom surface 23 far from wheel disc 2
Direction on, the cross-sectional area of boot segment 21 is gradually reduced.The periphery wall of boot segment 21 is formed as smooth surface, smooth surface by
Smooth curve rotates around the axis of rotation to be formed, and rotary shaft is located at the center of wheel disc 2 and perpendicular to bottom surface 23.It is any on smooth curve
The center of curvature of point is respectively positioned on the side of the separate rotary shaft of smooth curve.The diameter of boot segment 21 is 0-20mm.
Blade 3 is seven, and the shape of seven blades 3 is identical and is circumferentially arranged on wheel disc 2, and the front end 311 of blade is neighbouring
The center of wheel disc 2, the tail end 312 of blade is adjacent to the edge of wheel disc 2, in the direction of the tail end 312 of the front end of blade 311 to blade
Blade 3 is bent to the direction of rotation of water impeller 20, and the lower edge 313 of blade and boot segment 21 are fixed, the upper edge of blade
There is offset in the lower edge 313 of 314 relative vanes, the direction of offset is consistent with the bending direction of blade 3, the upper edge of blade
314 relative to blade lower edge 313 towards water impeller 20 direction of rotation tilt, inclined angle be 10 ° -40.
The height of the front end 311 of blade is greater than the height of the tail end 312 of blade.And the height h of blade 3 and wheel disc 2
Height H meets 0≤H-h≤15mm.The half of height where the tail end 312 of blade and the half of the height where spiral case 301
In same level.
Motor is rotated counterclockwise, and the motor shaft of motor is connect to drive water impeller 20 to rotate with water impeller 20.
3 bending direction of blade of water impeller 20 is identical as the direction of rotation of motor shaft, i.e., from the tail end of blade 312 to the front end of blade
311 bending direction is counterclockwise.The 312 top Far Left endpoint of tail end of blade is located at 312 lower part of tail end of blade
A left side for Far Left endpoint.The center of bottom surface 23 is equipped with axis hole, and motor shaft is equipped with spline structure to be interference fitted with axis hole.
Other of draining pump group 100 according to an embodiment of the present invention are constituted and are operated for those of ordinary skill in the art
For be all it is known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (12)
1. a kind of water impeller of washing machine (20) characterized by comprising
Wheel disc (2), the wheel disc (2) are formed at least partially as boot segment (21), in the bottom surface (23) far from the wheel disc (2)
On direction, the cross-sectional area of the boot segment (21) is gradually reduced；
Multiple blades (3), the multiple blade (3) shape is identical and is circumferentially arranged on the wheel disc (2)；Before the blade
Hold the center of (311) neighbouring the wheel disc (2), the edge of the tail end (312) neighbouring the wheel disc (2) of the blade, described
The rotation of blade (3) the Xiang Suoshu water impeller (20) on the front end (311) of blade to the direction of the tail end (312) of the blade
Turn direction bending；The lower edge (313) and the boot segment (21) of the blade are fixed, upper edge (314) phase of the blade
There is offset to the lower edge (313) of the blade, the direction of the offset is consistent with the bending direction of the blade (3).
2. the water impeller (20) of washing machine according to claim 1, which is characterized in that the separate institute of the wheel disc (2)
The one end for stating bottom surface (23) has the fixing axle (22) of cross-section section, the front end (311) and the fixing axle (22) of the blade
It is connected.
3. the water impeller (20) of washing machine according to claim 2, which is characterized in that the diameter of the fixing axle (22)
For 5-20mm.
4. the water impeller (20) of washing machine according to claim 1, which is characterized in that the periphery of the boot segment (21)
Wall is formed as smooth surface, and the smooth surface is rotated around the axis of rotation by smooth curve to be formed, and the rotary shaft is located at described
The center of wheel disc (2) and perpendicular to the bottom surface (23)；
The center of curvature of any point is respectively positioned on the side far from the rotary shaft of the smooth curve on the smooth curve.
5. the water impeller (20) of washing machine according to any one of claims 1 to 4, which is characterized in that the blade (3)
Quantity is N, and the N meets: 3≤N≤10.
6. the water impeller (20) of washing machine according to any one of claims 1 to 4, which is characterized in that the wheel disc (2)
Height is H, the value range of the H are as follows: 10-30mm.
7. the water impeller (20) of washing machine according to claim 6, which is characterized in that the height of the blade (3) is
H meets: H >=h.
8. the water impeller (20) of washing machine according to any one of claims 1 to 4, which is characterized in that the wheel disc (2)
Bottom surface (23) be circle, the round diameter be D, the value range of the D are as follows: 30-50mm.
9. a kind of draining pump group (100) of washing machine characterized by comprising
Water impeller (20), the water impeller (20) are the draining according to washing machine of any of claims 1-8
Impeller (20)；With
Motor, the motor shaft of the motor are connect to drive the water impeller (20) to rotate with the water impeller (20).
10. the draining pump group (100) of washing machine according to claim 9, which is characterized in that the center of the bottom surface (23)
Equipped with axis hole, it is interference fitted between the motor shaft and the axis hole.
11. the draining pump group (100) of washing machine according to claim 10, which is characterized in that the motor shaft is equipped with
Spline carries out the interference fit by the spline.
12. a kind of washing machine, which is characterized in that the draining pump including the washing machine according to any one of claim 9-11
Group (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458980.3A CN107165855B (en) | 2017-06-16 | 2017-06-16 | Water impeller and with its draining pump group, washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710458980.3A CN107165855B (en) | 2017-06-16 | 2017-06-16 | Water impeller and with its draining pump group, washing machine |
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| Publication Number | Publication Date |
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| CN107165855A CN107165855A (en) | 2017-09-15 |
| CN107165855B true CN107165855B (en) | 2019-05-21 |
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ID=59818729
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| CN201710458980.3A Active CN107165855B (en) | 2017-06-16 | 2017-06-16 | Water impeller and with its draining pump group, washing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425854A (en) * | 2018-04-19 | 2018-08-21 | 江门市蓬江区硕泰电器有限公司 | A kind of water pump and rinsing maching |
| CN108425853A (en) * | 2018-04-19 | 2018-08-21 | 江门市蓬江区硕泰电器有限公司 | A kind of water pump and rinsing maching |
| CN110836189A (en) * | 2018-08-15 | 2020-02-25 | 青岛海尔滚筒洗衣机有限公司 | Pump assembly and washing equipment equipped with same |
| ES2953936T3 (en) * | 2019-12-13 | 2023-11-17 | Dab Pumps Spa | Impeller for centrifugal pump, particularly for a pump with a recessed impeller, and pump with said impeller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842021Y (en) * | 2005-09-30 | 2006-11-29 | 力帆实业(集团)有限公司 | Water-cooled motorcycle engine water pump impeller |
| EP1887126A1 (en) * | 2006-08-07 | 2008-02-13 | Electrolux Home Products Corporation N.V. | Electric motor-driven water pump for a washing machine |
| CN101871459B (en) * | 2009-04-24 | 2013-10-30 | 德昌电机(深圳)有限公司 | Discharge pump |
| DE202016101625U1 (en) * | 2016-03-24 | 2016-05-09 | Canto Ingenieurgesellschaft Mbh | The centrifugal pump impeller |
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Effective date of registration: 20190724 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |
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