CN100540785C - Agitation wheel for washing machine - Google Patents
Agitation wheel for washing machine Download PDFInfo
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- CN100540785C CN100540785C CNB2005100803186A CN200510080318A CN100540785C CN 100540785 C CN100540785 C CN 100540785C CN B2005100803186 A CNB2005100803186 A CN B2005100803186A CN 200510080318 A CN200510080318 A CN 200510080318A CN 100540785 C CN100540785 C CN 100540785C
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Abstract
A kind of agitation wheel for washing machine, be to be distributed with a plurality of fins on the disc substrate, the center is provided with erection column, it is characterized in that: be provided with one at least and be roughly parallel to X-axis and X-axis distance and be the drying fin of d, this drying fin moves towards disk border by the axial diameter of y, rises highly gradually; This drying fin has a drying front surface, and the dihedral angle between this drying front surface and the disc substrate inner surface is α, 45 °＜α＜90 °; This drying fin has a rear surface, and the dihedral angle between this rear surface and the disc substrate inner surface is β, 10 °＜β＜90 °.This impeller is installed on both sides in the interior bucket at the spherical end, with interior bucket axis at angle, the drying fin can drive washing clothes and roll, and improves clean result, using water wisely.
Description
Technical field
The present invention relates to a kind of impeller of washing machine, particularly a kind of agitation wheel for washing machine that is used for the double wave wheel washer.
Background technology
Existing automatic washing machine can be divided into two kinds substantially, and a kind of is the rotary drum washing machine of the vertical axis of upward-acting door, and another kind is the barrel roll laundry machine of the trunnion axis of button fly front, and the advantage of barrel roll laundry machine is that clean result is good, water-saving, but uses inconvenient; Rotary drum washing machine then with use conveniently, price is low and be subjected to consumers in general's favor, the inner bucket of existing rotary drum washing machine bottom impeller rotating fluctuating flow drives clothing upset washing.Also has bucket rotatable " hand-rubbing type " washing technology in the impeller rotating makes simultaneously.Because the impeller of rotary drum washing machine can only rotating drives the upset of clothing, a large amount of clothings and after the washing long period are easy to generate winding; Drive clothing upset washing by current, clean result is poor, water consumption is big.Recently developed a kind of suspension double-agitator washing machine, this washing machine has the impeller of bucket both sides in two outstanding standing in, and under the clutch drive mechanism drives, as wheel rotation in interior bucket, thereby drives the clothing upset.Because the rotation of two outstanding vertical waves wheels, thus have drum washing technology rollover effect good, do not twine, low wear advantages, realize the clean advantages of higher that compares of impeller washing technology simultaneously.Another big advantage of this technology is a water-saving, and owing to interior bucket, outer bucket all are designed to ball-type, the outer barrel bottom size is little, and peak level only reaches impeller 1/3 and highly washs, thereby reaches the purpose of water-saving.Need carry out special design in order to reach effective drive clothing rotation for the shape of impeller.
Summary of the invention
Technical problem to be solved by this invention is that a kind of agitation wheel for washing machine that can effectively drive the clothing upset, improve clean result is provided.
Agitation wheel for washing machine provided by the present invention is realized by following technical scheme.
A kind of agitation wheel for washing machine is to be distributed with a plurality of fins on the disc substrate, and the center is provided with erection column, it is characterized in that:
At least be provided with one and be roughly parallel to X-axis and X-axis distance and be the drying fin of d, this drying fin moves towards disk border by the axial diameter of y, highly gradually rising;
This drying fin has a drying front surface, and the dihedral angle between this drying front surface and the disc substrate inner surface is α, 45 °＜α＜90 °; This drying fin has a rear surface, and the dihedral angle between this rear surface and the disc substrate inner surface is β, 10 °＜β＜90 °.
Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:
Described agitation wheel for washing machine is characterized in that: the peak of this drying fin is lower than disk border.
Described agitation wheel for washing machine is characterized in that: the dihedral angle α the best between this drying front surface and the disc substrate inner surface is 77 °～80 °; Dihedral angle β the best between this rear surface and the disc substrate inner surface is between 15 °～30 °.
Described agitation wheel for washing machine, it is characterized in that: this disc substrate is made up of three parts: outer ring round table surface, main round table surface, bottom anchor ring and the arc surface that connects between outer ring round table surface, main round table surface, bottom anchor ring and the center installation cylinder are formed, wherein: the big footpath of outer ring round table surface is the impeller outer diameter D, bus and center line angle are 75 °, highly are 3D/40; The big footpath of main round table surface is connected with the path of outer round platform, and bus and center line angle are 30 °, and the bottom minor diameter is 0.6D; It is that radius is the bottom anchor ring of 0.2D that main round table surface and center are installed between the cylinder.
Described agitation wheel for washing machine is characterized in that: this drying fin projection on the disc base plan is made up of three sections camber lines, and first is the camber line that is positioned on the round table surface of outer ring, and radius is 0.5D, and central angle is 13 °; Second portion is the camber line that is positioned on main round table surface and the bottom anchor ring, and radius is 2.25D, and central angle is 10 °; Third part is for around center erection column and the involute that moves closer to, and 0.09D is to 0.14D for the dress cylindrical radius of therefrom feeling at ease, and the center angle is 180 °.
Described agitation wheel for washing machine is characterized in that: be provided with at least in the front at the edge of taper one with the reverse secondary drying projection of drying front surface, the front of this pair drying projection is triangular in shape, its maximum height is between 5～50 millimeters.
Described agitation wheel for washing machine is characterized in that: the Breadth Maximum of this drying front surface is less than the D/2 millimeter, and the maximum normal direction height of this drying front surface and disc substrate is less than the D/4 millimeter.
Described agitation wheel for washing machine is characterized in that: described impeller outer diameter D is relevant with the washing machine inner tub diameter, and cos30 °-6 of impeller outer diameter D=interior bucket diameter * is the washing machine of 500mm for interior bucket diameter, and best impeller diameter is 424mm; The diameter of described drying fin and X-direction be 0.14D apart from d.
Described agitation wheel for washing machine is characterized in that: be provided with drainage hole in the impeller bottom.
Described agitation wheel for washing machine is characterized in that: the back side in impeller outer ring round table surface is provided with bevel gear.
The invention has the advantages that:
Because substrate is into the indent spherical crown surface, be applicable to the interior bucket at the spherical end, and bucket both sides in can being arranged at angle with interior bucket axis, help the upper and lower of washing clothes and roll; Helical trend and can drive washing clothes to the vertical height at spherical crown inner concave edge by the low helicoid design that raises gradually by the center and roll raising clean result, using water wisely.
For architectural feature of the present invention and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows:
Description of drawings
Fig. 1 is the front view of agitation wheel for washing machine of the present invention.
Fig. 2 is the main apparent coordinates graph of a relation of agitation wheel for washing machine of the present invention.
Fig. 3 is the stereogram of agitation wheel for washing machine of the present invention.
Fig. 4 is 0 ° of-180 ° of profile among Fig. 1.
Fig. 5 is 45 ° of-225 ° of profiles among Fig. 1.
Fig. 6 is 90 ° of-270 ° of profiles among Fig. 1.
Fig. 7 is 135 ° of-315 ° of profiles among Fig. 1.
Fig. 8 is the normal section schematic diagram of the A-A position of drying fin.
The specific embodiment
Shown in Fig. 1～3, agitation wheel for washing machine provided by the present invention, same with existing impeller, be on a disc substrate 1, to be distributed with a plurality of fins 2, the effect of this fin 2 is to drive water to change.The center is provided with erection column 5, the difference of agitation wheel for washing machine of the present invention and existing impeller is: on disc substrate 1, at least being provided with a distance that is roughly parallel to X-axis and X-axis is drying fin 3 (see figure 2)s of d, these drying fin 3 major parts are moved towards disk border by the axial diameter of y, rise highly gradually.
Described disc substrate 1 is formed (referring to Fig. 1,4～7) by three parts: outer ring round table surface 8, main round table surface 9, bottom anchor ring 10 and the arc surface that connects between outer ring round table surface 8, main round table surface 9, bottom anchor ring 10 and the center installation cylinder 5 are formed, wherein: the big footpath of outer ring round table surface 8 is the impeller outer diameter D, bus and center line angle are 75 °, highly are 3D/40; The big footpath of main round table surface 9 is connected with the path of outer ring round table surface, and bus and center line angle are 30 °, and the bottom minor diameter is 0.6D; It is that radius is the bottom anchor ring 10 of 0.2D that main round table surface and center are installed between the cylinder.
The projection of described drying fin 3 on the X-Y plane of disc substrate 1 formed (referring to Fig. 1) by three sections camber lines, and first is the camber line I that is positioned on the round table surface of outer ring, and radius is 0.5D, and central angle is 13 °; Second portion is the camber line II that is positioned on main round table surface and the bottom anchor ring, and radius is 2.25D, and central angle is 10 °; Third part is for around center erection column and the involute III that moves closer to, and therefrom the feel at ease radius 0.09D Rotate 180 ° radius of dress cylinder 5 of this involute III extends to 0.14D.
Figure 8 shows that the normal section schematic diagram of the A-A position of drying fin, and see also Fig. 1, described drying fin 3 has a drying front surface 4, and the dihedral angle between this drying front surface 4 and the disc substrate inner surface is α, 45 °＜α＜90 °; This drying fin has a rear surface 6, and the dihedral angle between this rear surface 6 and the disc substrate inner surface is β, 10 °＜β＜90 °.Dihedral angle α the best between this drying front surface and the disc substrate inner surface is 77 °～80 °; Dihedral angle β between this rear surface and the disc substrate inner surface is a variable, gradually change from big to small to the edge by the center erection column, the β maximum of involute III part, the β minimum of camber line I part, the β of camber line II part is roughly between 15 °～30 °.Fig. 4～7 show the position of drying fin 3 on the different cross section, drying front surface 4 and rear surface 6.
The maximum normal direction height of this drying front surface and disc substrate is less than D/4, and the best is D/5.The impeller outer diameter D is relevant with the washing machine inner tub diameter, and cos30 °-6 of impeller outer diameter D=interior bucket diameter * is the washing machine of 500mm for interior bucket diameter, and best impeller diameter is 424mm; The diameter of described drying fin and X-direction be 0.14D apart from d.The peak of this drying fin is lower than disk border.
On outer ring round table surface 8, be provided with at least one with the reverse secondary drying projection 11 of drying front surface.Drying front surface 4 is effectively to drive the clothing upset with the effect of secondary drying projection 11, improves and washes effect.This pair drying front surface is triangular in shape, and its maximum height is between 5～50 millimeters, and the best is 20～25mm.
Be provided with drainage hole in the impeller bottom, be used for the water of impeller internal memory is discharged.The back side of impeller outer ring round table surface is provided with bevel gear.
The bucket end of bucket was the suspension double-agitator washing machine of sphere in this impeller was applicable to, bucket two bottom sides in this two impeller is arranged at, and the angle between impeller axis and the interior bucket rotation is 45 °～70 °, preferably is 60 °.Its power is arranged to bevel gear 8 by being arranged at tapered edges along 7 the back side, by the bevel gear transmission of shaft end in being located at.
In sum, the general form of impeller of the present invention is as follows, central authorities at impeller have an erection column 5, described fin 3 from accompanying drawing 1 as can be seen, is begun in 270 ° of positions of definition by drying front surface 4 and rear surface 6 crossing formation, described fin 3 raises gradually for involute substantially, finally be one and slightly descend near disk border the time, in the process of prolonging the involute rising, described α angle and β contention step reduce.In the present invention, described in the accompanying drawing 10 °, 45 °, 90 ° ..., 225 etc. be provided with in order to clearly demonstrate the present invention, when their shift in position, change described angle technical scheme of the present invention place can be described equally, therefore, these angles are not used for limiting.
The above only is the specific embodiment of the invention, everyly is familiar with this skill personage and makes various modifications or change very easily in view of the above, therefore, does not allly allly break away from the equivalence that claim spirit of the present invention done and replaces, and all should be included in this patent protection domain.
Claims (11)
1, a kind of agitation wheel for washing machine, it is characterized in that: on the X-Y plane of impeller disc substrate, with the impeller center is the origin of coordinates, this impeller external diameter is D, at least being provided with one is roughly parallel to X-axis and X-axis distance and is the drying fin of d, this drying fin moves towards disk border by the axial diameter of y, rises highly gradually;
This drying fin has a drying front surface, and the dihedral angle between this drying front surface and the disc substrate inner surface is α, 45 °＜α＜90 °; This drying fin has a rear surface, and the dihedral angle between this rear surface and the disc substrate inner surface is β, 10 °＜β＜90 °.
2, impeller according to claim 1, it is characterized in that: the central authorities of described impeller have an erection column, described fin is intersected by drying front surface and rear surface and forms, described fin is that involute raises gradually substantially, finally being one near disk border the time slightly descends, in the process that raises along involute, described α angle and β contend to go on foot and reduce.
3, agitation wheel for washing machine according to claim 1 is characterized in that: be distributed with a plurality of fins on the disc substrate, the center is provided with erection column, and the peak of this drying fin is lower than disk border.
4, agitation wheel for washing machine according to claim 1 is characterized in that: the dihedral angle α between this drying front surface and the disc substrate inner surface is 77 °～80 °; Dihedral angle β between this rear surface and the disc substrate inner surface is between 15 °～30 °.
5, agitation wheel for washing machine according to claim 1, it is characterized in that: this disc substrate is made up of three parts: outer ring round table surface, main round table surface, bottom anchor ring and the arc surface that connects between outer ring round table surface, main round table surface, bottom anchor ring and the center installation cylinder are formed, wherein: the big footpath of outer ring round table surface is the impeller outer diameter D, bus and center line angle are 75 °, highly are 3D/40; The big footpath of main round table surface is connected with the path of outer round platform, and bus and center line angle are 30 °, and the bottom minor diameter is 0.6D; It is that radius is the bottom anchor ring of 0.2D that main round table surface and center are installed between the cylinder.
6, agitation wheel for washing machine according to claim 1 is characterized in that: this drying fin projection on the disc base plan is made up of three sections camber lines, and first is the camber line that is positioned on the round table surface of outer ring, and radius is 0.5D, and central angle is 13 °; Second portion is the camber line that is positioned on main round table surface and the bottom anchor ring, and radius is 2.25D, and central angle is 10 °; Third part is for around center erection column and the involute that moves closer to, and 0.09D is to 0.14D for the dress cylindrical radius of therefrom feeling at ease, and the center angle is 180 °.
7, agitation wheel for washing machine according to claim 5 is characterized in that: on the round table surface of outer ring, be provided with at least one with the reverse secondary drying projection of drying front surface, the front of this pair drying projection is triangular in shape, its maximum height is between 5～50 millimeters.
8, agitation wheel for washing machine according to claim 1 is characterized in that: the Breadth Maximum of this drying front surface is less than D/2, and the maximum normal direction height of this drying front surface and disc substrate is less than D/4.
9, according to claim 4 or 5 or 7 described agitation wheel for washing machine, it is characterized in that: described impeller outer diameter D is relevant with the washing machine inner tub diameter, the bucket diameter deducts 6 unit lengths again after multiply by cos30 ° in the impeller outer diameter D equaled, for interior bucket diameter is the washing machine of 500mm, and the impeller diameter is 424mm.
10, agitation wheel for washing machine according to claim 1 is characterized in that: be provided with drainage hole in the impeller bottom.
11, agitation wheel for washing machine according to claim 1 is characterized in that: the back side in impeller outer ring round table surface is provided with bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100803186A CN100540785C (en) | 2004-08-02 | 2005-07-01 | Agitation wheel for washing machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420085007.X | 2004-08-02 | ||
| CN200420085007 | 2004-08-02 | ||
| CNB2005100803186A CN100540785C (en) | 2004-08-02 | 2005-07-01 | Agitation wheel for washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN1734004A CN1734004A (en) | 2006-02-15 |
| CN100540785C true CN100540785C (en) | 2009-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100803186A Active CN100540785C (en) | 2004-08-02 | 2005-07-01 | Agitation wheel for washing machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102720032B (en) * | 2012-06-19 | 2017-06-09 | 青岛海尔洗衣机有限公司 | A kind of dynamical washing machine of double impeller three and its control method |
| CN105239306A (en) * | 2014-07-11 | 2016-01-13 | 苏州三星电子有限公司 | Washing machine and impeller thereof |
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