CN100424256C - Structure for fixing filter in washing machine - Google Patents
Structure for fixing filter in washing machine Download PDFInfo
- Publication number
- CN100424256C CN100424256C CNB031444768A CN03144476A CN100424256C CN 100424256 C CN100424256 C CN 100424256C CN B031444768 A CNB031444768 A CN B031444768A CN 03144476 A CN03144476 A CN 03144476A CN 100424256 C CN100424256 C CN 100424256C
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- Prior art keywords
- filter
- rib
- washing machine
- obstruction
- fixing
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Abstract
The present invention relates to a fixing structure of a filter of a washing machine for preventing the deformation of a filter. The fixing structure of a filter of a washing machine is composed of a blocking part, a gasket installation part, a shaft part and a filtering part, wherein the blocking part is sheathed on a water pump; the gasket installation part is integrally formed with the blocking part and a convex clamping rib for sealing a rubber gasket between the blocking part and the water pump is sheathed on the gasket installation part; the shaft part is arranged in the center of the gasket installation part and protrudes toward an opposite direction of the blocking part; the filtering part is protruded at the end of the shaft part and is used for filtering foreign objects. A fixing rib is arranged in the filtering part so as to fix the filter after the filter is molded and opened. Meanwhile, when the clamping rib is clamped on a mould, the clamping rib can not bend by using the fixing rib.
Description
Technical field
The invention belongs to the drainage system of washing machine, the filter fixing structure of the washing machine that is out of shape when particularly relating to mould open form after a kind of filter moulding that prevents washing machine.
Background technology
Washing machine is generally by forming as the lower part:
Be located at the inside of outer container 2, the cabinet of supporting by spring 3a and damper 3b 4, be located at cabinet 4 inboards, finish when being used to adorn washings and rotation laundry operations cylinder 6, be installed in a side of cabinet 4 and the drive motors 8 of swing roller 6.
In addition, the downside of cabinet 4 is provided with bellows drainpipe 18, an end of discharging cabinet 4 washed water and is connected with bellows drainpipe 18, is used to aspirate the suction pump 20 of washings.
Be connected with in the suction pump 20, guiding institute's washings of taking out to cabinet 4 inside, make the not shown grade of the circulation pipe parts of its recirculation to the drainpipe 19 of outer container 2 outsides, the guiding institute washings of taking out.
The front and back of suction pump 20 is all opened, and its inside is divided into the filter chamber 22 and the chamber 24 of drawing water by next door 21.Comprise in it to be provided with and communicate with filter chamber 22, flow into washings feed water inlet 23, communicate the case 26 that draws water of the water discharge outlet 25 of discharge washings with the chamber 24 of drawing water.Comprise the back side that is located at the case 26 that draws water in addition, make the pumping motor 30 that to settle impeller 28 in the chamber 24 of drawing water.Impeller 28 the place aheads on the next door 21 are provided with the open pore 21a that communicates with the filter chamber 22 and the chamber 24 of drawing water, and are used to guide the washings of filter chamber 22 in the chamber 24 of drawing water.
Drawing water is provided with filter 32 in the case 26, is used for filtering the impurity that the washings that flow into filter chamber 22 are mixed with.For removing these impurity, filter 32 is detachable at the front end of the case 26 that draws water.
Rotation is locked on the obstruction portion 34 of case 26 front of drawing water, when filter 32 is installed, the axial region 40 that the packing ring installation portion 38 of the rubber washer 36 of the sealing obstruction portion 34 and case 26 inside of drawing water, packing ring installation portion 38 centre are protruded, at the overlapping protrusion of open pore 21a in end and the next door 21 of axial region 40, the filter house 42 of foreign matters such as the broken end of filtration between next door 21 slits.
In the packing ring installation portion 38, the 1st folder rib 39a of being separated by with the back side of obstruction portion 34 and all form columniform boss by the 2nd folder rib 39b that rubber washer 36 spacings and the 1st folder rib 39a are separated by, the 1st folder rib 39a and the 2nd presss from both sides between the rib 39b and accompanies rubber washer 36.The 1st presss from both sides rib 39a elastic bending when the installation of filter 32, rubber washer 36 is closely attached on interior all sides of the case 26 that draws water.
As above the operation principle of suction pump is as follows in the prior art of structure:
When pumping motor 30 drove, the washings in the cabinet 4 flow into filter chamber 22 by draining spiral pipe 18 and feed water inlet 23, then successively by the slit in filter house 42 and next door 21, flow into the chamber 24 of drawing water from open pore 21a, were extracted by water discharge outlet 25 at last.
At this moment, flow into foreign matters such as being mixed with broken end in the washings in the filter chamber 22, these foreign matters are filtered when passing through between filter house 42 and the next door 21.
In washing machine filter 32 moulds in the prior art, its structure by the fixed mould of supporting filter house 42, be provided with the die cavity of obstruction portion 34, packing ring installation portion 38, axial region, filter house 42 shapes, can left and rightly move moulds form.During as the left and right open form that moves moulds, the 1st, 2 folder rib 39a of packing ring installation portion 38,39b is curved by the left and right folder that moves moulds, and makes filter 32 can't take shape in desirable shape, thereby causes filter 32 distortion.
Summary of the invention
The present invention is for solving the filter fixing structure of the washing machine that is out of shape when the technical problem that exists in the above-mentioned technology provides mould open form after a kind of filter moulding that prevents washing machine.
The technical scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is: the filter fixing structure of washing machine is by the obstruction portion that is enclosed within suction pump; And the integrally formed cover of obstruction portion is useful on the rubber washer between sealing obstruction portion and the suction pump and forms the packing ring installation portion of boss folder rib; In packing ring installation portion central authorities, protrude the axial region of formation in the other direction to obstruction portion; Protrude the filter house composition that is formed for filtering foreign matter at place, axial region end.Folder rib distortion when preventing mould open form after the filter moulding and be provided with the fixing rib of protrusion in the middle of the filter house of filter, it is cylindric that the cross section of the fixing rib in the middle of the Fixed-Filter, filter house becomes.
Advantage of the present invention and good effect are: in the middle of the filter house of filter, be provided with fixing rib, and in the time of can making after the filter moulding mould open form, Fixed-Filter.Be clipped on the mould when preventing to press from both sides rib and be out of shape, by being provided with fixing rib in the middle of the filter house filter house self intensity is increased simultaneously, prevent distortion because of the mould open form.
Description of drawings
Fig. 1 points out out the skeleton diagram of general washing machine one example.
Fig. 2 points out out the cut-away view of the washing machine suction pump in the prior art.
Fig. 3 points out out installed filters institute diagrammatic sketch on the washing machine suction pump in the prior art.
Fig. 4 points out out the washing machine filter among the present invention and the cut-away view of suction pump
Fig. 5 points out out the schematic diagram of the washing machine filter among the present invention.
Fig. 6 points out out the skeleton diagram of the filter mold for forming among the present invention.
The symbol description of drawing primary structure:
70: filter, 72: obstruction portion,
The 74: packing ring installation portion, 74a: the 1st folder rib,
74b: the 2nd folder rib, 78: axial region,
80: filter house, 90: fixing rib,
110: fixed mould, 120,130: left and right moving moulds.
The specific embodiment
For further understanding content of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
As Fig. 4 and shown in Figure 5, the washing machine suction pump 50 among the present invention is by forming the filter chamber 54 and the case 52 that draws water of chamber 56 that draws water, adorn impeller 62 in the chamber 56 of drawing water, and the pumping motor 60 that is fixed on case 52 rear side of drawing water is formed.In the front of case 52 of drawing water, filter 70 dismountable being installed in the filter chamber 54.
Draw water in the case 52. innerly divide the filter chamber 54 and the chamber 56 of drawing water into by next door 53, next door 53 is provided with the open pore 53a that communicates with the filter chamber 54 and the chamber 56 of drawing water.
Draw water in the case 52, the feed water inlet 55 of supplying with washings communicates with filter chamber 54, and the water discharge outlet 57 of suction washings communicates with the chamber 56 of drawing water.
Simultaneously, filter 70 is made up of following structure:
Rotation is locked on obstruction portion 72 all in case 52 front of drawing water, integrally formed with obstruction portion 72, cover is useful on the rubber washer 80 between sealing obstruction portion 72 and the suction pump 50 and the packing ring installation portion 76 of the folder rib 74 that protrudes, in packing ring installation portion 76 central authorities, the axial region 78 that protrudes in the other direction to obstruction portion 72, protrude at the place in axial region 78 ends, is used to filter the filter house 80 of foreign matter.Protrusion is provided with fixing rib 90 in filter house 80, makes when the open form of mould is done in filter 70 moulding, is used for fixing filter 70.
Here, in the packing ring installation portion 76, the diameter of its central portion is less than obstruction portion 72, and totally becomes stairstepping.Folder rib 74 is positioned at the back side of obstruction portion 72, the 1st folder rib 74a that protrudes by its central portion plate-like and be separated by by rubber washer 36 spacings with the 1st folder rib 74a, and the 2nd folder rib 74b that its central portion plate-like is protruded forms.
Overlapping big or small the same of filter house 80 and the open pore 53a in the next door 53, recessed to formation with the parabola cross sectional shape, little interval is left in its edge and next door 53.
Fixing rib 90 protrudes from the to the inside recessed of filter house 80 with the cylinder section shape.
Fig. 6 points out out the skeleton diagram of the filter mold for forming among the present invention.
As shown in Figure 6, be used for filter forming mould 100 by forming as the lower part:
For recessed to forming filter house 80, be provided with protuberance 102 fixed mould 110, combine with fixed mould 110, and be provided with the die cavity of obstruction portion 72, packing ring installation portion 76, axial region 78, filter house 80 shapes, can move moulds 120,130 by the left and right of left and right open form.
Left and right moving moulds in 120,130 to being provided with the 1st semicircle slot part 122,132 for packing ring installation portion 76 the 1st folder rib 74a, and be the 2nd semicircle slot part 124,134 that packing ring installation portion 76 the 2nd presss from both sides rib 74b.
As above the filter forming process of structure is as follows:
Merge fixed mould 110 and left and rightly move moulds 120,130, after injecting molten resin, the molten resin of injection fill left and right move moulds 120,130 and fixed mould 110 between die cavity.
At this moment, the part of the molten resin of injection, each fills left and right the 1st semicircle slot part 122,132 that moves moulds and the 2nd semicircle slot part 124,134, the 1st folder rib 74a and the 2nd folder rib 74b is protruded, and can entangle rubber washer 36.
Be injected into the part in the molten resin on the fixed mould 110, fill the cylindrical shape slot part 104 that is formed at fixed mould 110 protuberances 102, the fixing rib 90 in the filter house 80 is protruded.
After the injection of molten resin is finished, moved moulds 120,130 o'clock towards left and right direction open form is left and right, fixing rib 90 firmly is inserted in the protuberance 102 of said fixing mould 110, and presss from both sides rib 74a with above-mentioned axial region the 78, the 1st, 2, packing ring installation portion 76, obstruction portion 72 that 74b protrudes are integrally formed, make that the 1st, 2 folder rib 74a, 74b are difficult for being partial to left and rightly moving moulds 120,130 semicircle slot part 122,124,132,134.After left and right 120,130 the open form of moving moulds, during towards the last side direction pulling of fixed mould 110, fixing rib 90 breaks away from from the cylindrical shape slot part 104 of protuberance 102, separates from fixed mould 110 thus with filter 70.
Claims (2)
1. the filter fixing structure of a washing machine, it is by the obstruction portion that is enclosed within suction pump, and the integrally formed cover of obstruction portion is useful on the rubber washer between sealing obstruction portion and the suction pump and forms the packing ring installation portion of boss folder rib; The axial region of formation is protruded in the other direction in portion at packing ring installation portion mediad obstruction; Protrude the filter house composition that is formed for filtering foreign matter at place, axial region end; It is characterized in that: folder rib distortion and in the middle of the filter house of filter, be provided with outstanding fixing rib, Fixed-Filter when preventing after the filter moulding mould open form.
2. the filter fixing structure of a kind of washing machine according to claim 1 is characterized in that: the cross section of filter house center fixed rib becomes cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031444768A CN100424256C (en) | 2003-09-28 | 2003-09-28 | Structure for fixing filter in washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031444768A CN100424256C (en) | 2003-09-28 | 2003-09-28 | Structure for fixing filter in washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1600978A CN1600978A (en) | 2005-03-30 |
| CN100424256C true CN100424256C (en) | 2008-10-08 |
Family
ID=34659632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031444768A Expired - Fee Related CN100424256C (en) | 2003-09-28 | 2003-09-28 | Structure for fixing filter in washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100424256C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101435944B1 (en) * | 2007-05-08 | 2014-09-02 | 삼성전자주식회사 | Drain apparatus and washing machine having the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3922629A1 (en) * | 1989-07-10 | 1991-01-17 | Miele & Cie | Washing machine or dryer - with filter insert on waste water path capable of sepg. heavy bodies or fly lint |
| KR940006388A (en) * | 1992-07-30 | 1994-03-23 | 쯔지 하루오 | Camera integrated video tape recorder with monitor |
| FR2751241A3 (en) * | 1996-07-19 | 1998-01-23 | Plaset Srl | Inlet filter for hydraulic pump, especially in washing machine |
| US6167733B1 (en) * | 1998-06-30 | 2001-01-02 | Daewoo Electronics Co., Ltd. | Drum type washing machine having a pump integrally formed with a filter |
-
2003
- 2003-09-28 CN CNB031444768A patent/CN100424256C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3922629A1 (en) * | 1989-07-10 | 1991-01-17 | Miele & Cie | Washing machine or dryer - with filter insert on waste water path capable of sepg. heavy bodies or fly lint |
| KR940006388A (en) * | 1992-07-30 | 1994-03-23 | 쯔지 하루오 | Camera integrated video tape recorder with monitor |
| FR2751241A3 (en) * | 1996-07-19 | 1998-01-23 | Plaset Srl | Inlet filter for hydraulic pump, especially in washing machine |
| US6167733B1 (en) * | 1998-06-30 | 2001-01-02 | Daewoo Electronics Co., Ltd. | Drum type washing machine having a pump integrally formed with a filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1600978A (en) | 2005-03-30 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20091028 |