CN1888261A

CN1888261A - Washing machine filter

Info

Publication number: CN1888261A
Application number: CN 200510013955
Authority: CN
Inventors: 崔康模
Original assignee: LG Electronics Tianjin Appliances Co Ltd
Current assignee: LG Electronics Tianjin Appliances Co Ltd
Priority date: 2005-06-27
Filing date: 2005-06-27
Publication date: 2007-01-03

Abstract

The present invention relates to a washing machine filter. Said filter includes the following several portions: filtering portion which can be inserted into the interior of opening portion of water pump box and can be used for filtering foreign material, end cover portion which is formed in the front side of filtering portion, used for plugging the opening portion of water pump box and combined with water pump box and positioning mechanism which is formed on any one of end cover portion and water pump box and is used for positioning end cover portion combination position. Besides, said invention also provides the concrete structure of said positioning mechanism.

Description

Washing machine filter

Technical field

The present invention relates to the filter (filter assembly of washer) of washing machine, particularly relate to clutch washing machine filter easy, easy to clean.

Background technology

In general, washing machine is the effect that utilizes water and washing agent, and removes the device of the dirt on clothing in the drum, the bed accessory by washing, rinsing, dehydration.

Fig. 1 is the skeleton diagram of existing conventional laundry apparatus 1 example.As shown in Figure 1, washing machine comprises: the outer bucket 4 that is supported by support 3 in casing 2 inside, being arranged on outer bucket 4 inboards holds and is washed water and makes washings play the drum 6 of cleaning action when it rotates, be installed in a side of outer bucket 4 and rotate the drive motors 8 of drum 6, be configured in the water supply hose 10 and the feed water valve 12 of the top supplying washing water of casing 2, the water supply installation 14 of mixing, washing water and washing agent, outwards guide the water supply tube connector 16 of water supply installation 14 washed water and washing agent in the bucket 4, discharge the drainage connecting pipe 18 of outer bucket 4 washed water, link to each other with drainage connecting pipe 18 1 ends and aspirate the draining pump 20 of washings, outwards the scupper hose 21 of the washings that draining pump 20 aspirated is discharged in the outside of bucket 4.

Fig. 2 is the cut-away view of prior art drainage pump of washing machine 1 example, and Fig. 3 is the filter oblique view that prior art is installed in drainage pump of washing machine.

As shown in Figures 2 and 3, the drainage pump of washing machine 20 of prior art by waterproof pump box 22, be fixed on waterproof pump box 22 1 ends drain motor 26, link to each other with 26 of drain motors and be configured in the impeller 28 of waterproof pump box 22 inside, flow to the filter 30 that line bits in the washings of impeller 28 and fine wadding be configured in impeller 28 the place aheads for filtration and constitute.

Waterproof pump box 22 inside are divided into the filter housings 23 of configuration filter 30 and the water pump cover 24 of configuration impeller 28.Filter housings 23 is formed with the peristome 23b that inserts filter 30, and the suction inlet 23a that links to each other with drainage connecting pipe of formation.On water pump cover 24, form the inlet hole 25 be connected with filter housings 23, and the outlet 24a that links to each other with scupper hose 21 of formation.

Filter 30 comprises: insert filter housings 23 peristome 23a and filter the filter house 32 of foreign matter; Be formed on filter house 32 the place aheads, be the end cap portions 34 of the 23b of occlusion of openings portion with filter housings 23 clutches; Be installed in the handle portion 36 in end cap portions 34 the place aheads.

Label symbol

38 and 39 is formed on the filter house 32, filter washings behind line bits and the fine wadding the open pore and the tap of process.

Label symbol 27 is formed in the internal thread fin of filter housings 23 peristome 23b, and label symbol 33 is and the internal thread fin 27 corresponding external screw thread fins that are formed on filter 30 that filter 30 combines with filter housings 23 peristome 23b spirals.

Running to the prior art draining pump 20 of above-mentioned formation is described in detail as follows.

At first, drive drain motor 26, outer bucket 4 washed water flow into waterproof pump box 22 by tube connector 18 and suction inlet 23a, behind washings process filter housings 23 open pores 38 and tap 39 that flowed into, flow into water pump covers 24 and be discharged to the washing machine outside through outlet 24a and drain hose 21 by suction inlet 25.

If filter a large amount of foreign matters at filter house 32, then above-mentioned washing machine drainage is just obstructed, and the user need hold handle portion 36 to rotation counterclockwise.

At this moment, external screw thread fin 33 and internal thread fin 27 get loose, and filter 30 is separated from waterproof pump box 22.

Then, behind the foreign matter that removing filter house 32 is filtered, hold handle portion 36 again to the clockwise direction rotation, external screw thread fin and internal thread fin combine, and make filter 30 from newly being installed on the waterproof pump box 22.

But, in the washing machine of prior art, when the filter 30 after removing line bits and fine wadding is installed in waterproof pump box 22 again,, then have the shortcoming of filter 30 separation difficulty with on the rotation lock with sudden force.

And, when filter 30 is installed, on little power rotation lock, then there is the shortcoming of seepage washings between filter 30 and the water pump 22.

Summary of the invention

The present invention proposes for the shortcoming that solves above-mentioned prior art, and its purpose is, by between filter and waterproof pump box detent mechanism being set, provides a kind of positioning and optimizing, clutch washing machine filter easily.

Washing machine filter involved in the present invention comprises: insert in the waterproof pump box peristome and filter the filter house of foreign matter; Be formed on filter house the place ahead, the end cap portions that combines with waterproof pump box for occlusion of openings portion; At least the detent mechanism that on one of them of end cap portions and waterproof pump box, forms for positioning end cap binding site.

And, protrude formation internal thread fin at the waterproof pump box peristome.The formation of end cap portions comprises: be formed on the end plate portion of filter house front, the cylindrical portion along end plate portion forms on every side is formed on the outer peripheral face of cylindrical portion and the external screw thread fin that combines with the internal thread fin.Above-mentioned detent mechanism is to protrude the positioning convex that forms in cylindrical portion outer peripheral face one side, and end cap portions is stuck on the internal thread fin.

For preventing to occur the gap in the waterproof pump box, positioning convex is at least more than two.

The internal thread fin forms several in the space on the circumference of waterproof pump box peristome, at least one positioning convex is stuck on the internal thread fin.

And different internal thread fins is different with distance between the filter housings front end, and different positioning convex has different protruding amplitudes.

Aforesaid washing machine filter of the present invention is provided with detent mechanism at least on one of them of end cap portions and waterproof pump box, filter and waterproof pump box are combined on the optimum position, so, have the advantage that is easy to the filter clutch.

In addition, optimize the binding site of filter and waterproof pump box as mentioned above, so, the advantage that prevents seepage washings between filter and the water pump had.

In addition, owing to prevent that filter is connected with the excessive tightness of waterproof pump box, so, the advantage of damage risk minimization when also having separator-filter.

In addition, detent mechanism is to be made of and clutch when radially being close to several projectioies of radially protruding, so, also have and optimize the radially advantage of binding site.

Description of drawings

Fig. 1 is the skeleton diagram of conventional laundry apparatus 1 example;

Fig. 2 is the cut-away view of prior art drainage pump of washing machine 1 example;

Fig. 3 is the filter oblique view that is installed in drainage pump of washing machine of prior art;

Fig. 4 is the cut-away view that filter of the present invention separates with drainage pump of washing machine;

Fig. 5 is the cut-away view that filter of the present invention combines with drainage pump of washing machine;

Fig. 6 is mounted in the filter oblique view of the present invention in the drainage pump of washing machine.

Accompanying drawing drawing description of symbols:

50: draining pump 52: waterproof pump box

54: filter housings 54a: suction inlet

54b: peristome 55: internal thread fin

56: water pump cover 56a: outlet

58: inlet hole 60: drain motor

70: impeller 82: filter house

84: end cap portions 85: end plate portion

86: cylindrical portion 87: the external screw thread fin

90: handle 100: detent mechanism

102: be decided to be protruding h: the front end spacing

W: protruding amplitude

Describe embodiments of the invention in detail below in conjunction with accompanying drawing.

Fig. 4 is the cut-away view that filter of the present invention separates with drainage pump of washing machine, and Fig. 5 is the cut-away view that filter device of the present invention combines with drainage pump of washing machine, and Fig. 6 is mounted in the filter oblique view of the present invention in the drainage pump of washing machine.

To shown in Figure 6, drainage pump of washing machine 50 is made of waterproof pump box 52, drain motor 60, impeller 70, filter 80 as Fig. 4.

Waterproof pump box 52 inner area are divided into the filter housings 54 of configuration filter 80 and the water pump cover 56 of configuration impeller 70.On filter housings 54, form the peristome 54b of the internal thread fin 55 of fastening filter 80.On water pump cover 56, form the suction inlet 58 that is connected with filter housings 54.

Form the suction inlet 54a that connects drainage connecting pipe (not shown) at filter housings 54, form the outlet 56a that connects scupper hose (not shown) at water pump cover 56.

Drain motor 60 is configured in filter housings 54 rears, is fixedly mounted on an end of waterproof pump box 52.Impeller 70 links to each other with 60 of drain motors, and rotatable water pump cover 56 inboards that are configured in.

Filter 80 comprises: it is inboard and filter the filter house 82 of foreign matter to insert filter housings 54 peristome 54b; Be formed on filter house 82 the place aheads, be combined in the end cap portions 84 of filter housings 54 for the 54b of occlusion of openings portion; For the binding site of positioning end cap 84 at the detent mechanism that wherein forms at least one on end cap portions 84 and the filter housings 54.

And above-mentioned filter 80 also is included as and makes the convenient and handle portion 90 that protrude more forward than end cap portions 84 of end cap portions 84 clutches.

For protruding at the peristome 54b of filter housings 54, combined filtering device 80 forms internal thread fin 55.

Internal thread fin 55 forms several in the space on the circumference of waterproof pump box 52 peristome 54b, combine with external screw thread fin 87.

And for making filter 80 fore-and-aft direction clutches, internal thread fin 55 and waterproof pump box 52 form different front end spacing h ', h " (h '＞h ").

End cap portions 84 comprises: be formed on the end plate portion 85 of filter house 82 fronts, and along the cylindrical portion 86 that end plate portion 85 forms on every side, external screw thread fin 87 formations that are formed on cylindrical portion 86 outer peripheral faces and combine with internal thread fin 55.

Detent mechanism is the positioning convex that protrudes in cylindrical portion 86 outer peripheral faces one side, and end cap portions 84 is stuck on the internal thread fin 55.

Positioning convex is formed on the front end of filter 80, and at least one projection is stuck on the internal thread fin 55; For preventing that filter 80 from radial clearance occurring and having two above positioning convex at least for well in waterproof pump box 52.

And, when one of them of positioning convex is stuck on the internal thread fin 55, for prevent its another be stuck on the internal thread fin 55, and positioning convex has different protruding amplitudes.The protruding amplitude of the 1st projection 103 is w ", the protruding amplitude of the 2nd projection 104 is w '.

The 1st projection 103 is identical with the radical length of the 2nd projection 104, the protruding amplitude difference that fore-and-aft direction forms, the protruding amplitude w of the 1st projection 103 " the protruding amplitude w ' than the 2nd projection 104 is longer, w "＞w '.

The effect that describes the draining running of drainage pump of washing machine of above-mentioned formation and filter in detail is as follows.

At first, in washing process or rinse cycle end or dehydration, start drain motor 60, then the washings of discharging through drainage connecting pipe flow into waterproof pump box 52 inside by suction inlet 54a, the line bits and the fine wadding of being sneaked in the washings that flow into wait foreign matter to be filtered by filter 82, and the washings after filtration process water pump cover 56 and outlet 56a and scupper hose successively are discharged to the washing machine outside.

If filter a large amount of foreign matters at filter house 82, impeded drainage then is just the user holds handle portion 90 rotating filter portions 82 counterclockwise.

At this moment, external screw thread fin 87 gets loose with internal thread fin 55, and filter 80 is separated from waterproof pump box 52.

Then, behind the foreign matter that removing filter house 82 is filtered, hold the rotation of handle portion 90 clockwise directions.

At this moment, positioning convex radially is close in peristome 54b inboard, and external screw thread fin 87 combines with internal thread fin 55, and advances to peristome 54b rear.

That is, several positioning convex radially are close to, thereby prevent radially loosening.

Simultaneously, if filter 80 is bonded to certain depth at peristome 54b spiral, the 1st projection 103 is stuck in the internal thread fin 55 one front end in the positioning convex, thereby prevents that filter 80 from entering again.

Thus, when filter 80 combines in the optimum position with waterproof pump box 52, the 1st projection 103 and internal thread fin 55 fore-and-aft directions chucking, thus make filter 80 and waterproof pump box 52 with the clutch of best combination position.

Claims

1, a kind of washing machine filter, comprise the filter house that inserts filter housings peristome inboard and filter foreign matter, be formed on filter house the place ahead, be the end cap portions of occlusion of openings portion clutch, it is characterized in that also being included as positioning end cap binding site and be formed on end cap portions and the waterproof pump box detent mechanism on one of them at least at filter housings.

2, washing machine filter according to claim 1 is characterized in that, protrudes at the waterproof pump box peristome to form the internal thread fin; End cap portions comprises the end plate portion that is formed on the filter house front, and the cylindrical portion along end plate portion forms on every side is formed on the outer peripheral face of cylindrical portion and the external screw thread fin that combines with the internal thread fin; Detent mechanism is to protrude the positioning convex that forms in cylindrical portion outer peripheral face one side, and end cap portions is stuck on the internal thread fin.

3, washing machine filter according to claim 1 is characterized in that, for preventing to occur the gap in the waterproof pump box, positioning convex is at least more than two.

4, washing machine filter according to claim 2 is characterized in that, the internal thread fin forms several in the space on the circumference of waterproof pump box peristome, and at least one positioning convex is stuck on the internal thread fin.

5, washing machine filter according to claim 4 is characterized in that, different internal thread fins is different with distance between the filter housings front end, and different positioning convex has different protruding amplitudes.