JP6074643B2 - Washing machine - Google Patents

Description

  The present invention relates to a washing machine having a filter unit for collecting lint on the side surface of a dewatering tank.

  In a conventional electric washing machine, in order to collect lint (solid waste such as lint and waste) generated during washing, a filter unit mainly composed of a cloth bag is placed on the inner side or upper end of the dewatering tank. In this configuration, the lint collected in the cloth bag can be clearly seen from the appearance, and if the lint is not removed, the cloth bag may be darkened and feel unclean. Therefore, a filter unit is devised which is not a cloth bag but a box-shaped resin case and is attached to the inner side surface of the dewatering tank. (For example, refer to Patent Document 1).

JP 2010-12143 A

  However, in such a filter unit, even if lint is accumulated in the inside, it is difficult to understand from the appearance, so that the user does not remove lint after washing and remains until the next washing. Tend to. In that case, the accumulated lint is dried and sticks inside the filter unit including the filtration member, making it difficult to remove, and leaving it in a damp state for a long period of time causes mold and the like to become unsanitary. It becomes difficult to remove lint by hand, and lint is removed using a toothbrush or the like.

  SUMMARY OF THE INVENTION The present invention solves the above-described conventional problems, and an object thereof is to provide a washing machine that can more easily and cleanly remove lints from a box-type filter unit.

  In order to solve the conventional problems, a filter unit of the present invention includes a main body, a dehydration tank rotatably supported in the main body, a reflux water channel fixed to a side wall of the dehydration tank, and the reflux A filter unit detachably attached to the water channel, wherein the filter unit is attached to the front cover having an opening for discharging the washing water introduced from the reflux water channel and a filter member attached to the opening; A back cover that integrally forms the filter unit, and a check valve that prevents the wash water from flowing back from the filter unit to the reflux water channel, the front cover and the rear cover being detachable from each other; The washing machine according to claim 1, wherein the rear cover is provided with a scraping portion for scraping off deposits adhering to the filtration member.

  Accordingly, it is possible to easily remove lint attached or fixed to the front cover without preparing a special tool such as a toothbrush. Further, since it can be removed without touching the lints, the work can be performed cleanly and there is no unpleasant feeling.

  INDUSTRIAL APPLICABILITY The washing machine of the present invention can realize a washing machine that can easily remove lint collected by the filter unit without directly touching it with hands or without preparing other tools. .

Side sectional view of the washing machine according to Embodiment 1 of the present invention. The perspective view which shows the inside of the dehydration tank of the washing machine Configuration diagram of the filter unit of the washing machine The figure which shows the operation | movement which removes the lint of the filter unit of the washing machine The block diagram of the filter unit of the washing machine in Embodiment 2 of this invention The figure which shows the operation | movement which removes the lint of the filter unit of the washing machine

  According to a first aspect of the present invention, there is provided a main body, a dewatering tank rotatably supported inside the main body, a reflux water channel fixed to a side wall of the dehydration tank, and a filter unit detachably attached to the reflux water channel. The filter unit includes a front cover having an opening for discharging the washing water introduced from the reflux water channel and a filtration member attached to the opening; and a rear cover integrally formed with the filter unit attached to the front cover And a check valve that prevents the washing water from flowing back from the filter unit to the reflux channel, the front cover and the rear cover being detachable from each other, and the rear cover being attached to the filtration member Equipped with a scraping part to scrape off deposits, it is easy to remove lint that adheres to or adheres to the front cover without preparing a special tool such as a toothbrush. It is possible to remove. Further, since it can be removed without touching the lints, the work can be performed cleanly and there is no unpleasant feeling.

  According to a second aspect of the present invention, a guide rail is provided on the front cover of the first aspect of the invention, the front cover and the rear cover slide along the guide rail, and the scraping portion provided on the rear cover is provided. Since it is configured to slide while being pressed against the filtration member, the lint attached to the filtration member and its periphery can be rubbed firmly, and lints can be removed more effectively.

According to a third aspect of the present invention, in particular, the filtration member of the first or second aspect is configured by a mesh inserted into the front cover , so that the unevenness of the sliding surface of the scraping portion is eliminated, and the smooth scraping portion Since lints are not caught and left at the step between the filtration member and the front cover during scraping, the filtration member and its surroundings can be kept clean.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a side sectional view of a washing machine according to an embodiment of the present invention, and FIG. 2 is a perspective view showing the inside of a dewatering tank. 1 and 2, the washing machine main body 1 has a suspension cylinder 2 that supports a suspension cylinder 3 in a suspension vibration-proof manner. The washing / dehydrating shaft 4 is hollow and has a biaxial structure. The dewatering tank 5 has a large number of dewatering holes 6 on the side wall, a fluid balancer 7 at the upper part of the inner periphery, and a pulsator 8 formed in a pan-shaped shape with the outer periphery inclined. ing. The transmission mechanism 9 includes a reduction gear (not shown) during washing, a switching clutch (not shown) for washing and dewatering shafts, and a brake (not shown) for stopping the dewatering tank 5 during dehydration. doing.

  The motor 10 is attached to the bottom of the receiving cylinder 3, and the motor-side pulley 11 and the mechanical-side pulley 12 transmit the power of the motor 10 to the washing / dehydrating shaft 4 via the transmission mechanism 9 via the belt 13.

  The reflux water channel 20 is attached to the inner side surface of the dehydration tank 5, the filter unit 30 is detachably attached to the reflux water channel 20, and the lower end of the reflux water channel 20 is connected to the side of the pulsator 8.

  FIG. 3 is a configuration diagram of the filter unit, and FIG. 4 is a diagram illustrating an operation for removing lints of the filter unit. Hereinafter, the configuration of the filter unit will be described using these.

  The filter unit 30 is composed of a front cover 32 and a rear cover 33 provided with an opening 38, and is integrally formed by claw fitting with each other, and a filtration member 31 that is a nylon mesh is insert-molded in the front cover 32. The lint is removed when the washing water is discharged from the opening 38 to the outside of the filter unit 30.

  Further, a check valve 34 is attached to either the front cover 32 or the rear cover 33, and the wash water is introduced into the filter unit 30 from the reflux water channel 20, and the introduced wash water flows back to the reflux water channel 20. To prevent it.

  The front cover 32 and the rear cover 33 are respectively provided with ribs 39 and 40 extending in the vertical direction. In the state of the filter unit 30, the inside is partitioned into three elongated rooms. Further, a spatula-shaped scraping portion 37 is provided at the upper end of the rear cover 33, so that the adhered matter adhering to the filtration member 31 can be scraped off.

  About the washing machine comprised as mentioned above, the operation | movement and an effect | action are demonstrated. When the blades on the back surface of the pulsator 8 are rotated, the wash water on the lower surface of the pulsator 8 is pushed out in the outer peripheral direction, and a water flow is generated ascending the reflux water channel 20 toward the filter unit 30. This water flow pushes open the check valve 34 to enter the filter unit 30, is trapped by the filtration member 31, and is discharged into the dehydration tank 5. Thereby, the lints 36 contained in the washing water are collected in the filter unit 30. When the washing water is drained, the check valve 34 prevents the reverse flow so that the lint 36 accumulated in the filter unit 30 does not flow out of the filter unit 30 by flowing backward through the reflux water channel 20.

  Next, an operation for removing the lints 36 collected in the filter unit 30 will be described with reference to FIG. When the claw fitting of the filter unit 30 is removed, the front cover 32 and the rear cover 33 are separated, and the lints 36 collected inside can be discarded. Since the rear cover 33 has a smooth resin surface, the lints 36 can be easily removed, but the lints 36 attached to the filtration member 31 on the inner surface of the front cover 32 are difficult to remove. Therefore, the front cover 32 is held as it is with one hand, the rear cover 33 is held with the other hand, and the vicinity of the surface of the filtration member 31 of the front cover 32 is scraped off by the scraping portion 37 at the upper end of the rear cover 33. Thus, the lints 36 can be removed. In this way, the lints 36 can be removed without directly touching the finger.

  Further, when the front cover 32 and the rear cover 33 are separated, the inner sides thereof are divided into elongated sections partitioned by ribs 39 and 40. For this reason, a plurality of small lumps can be formed when removing the lints 36 that have been dried and stuck, so that removal is facilitated when scraping or washing with water.

(Embodiment 2)
FIG. 5 is a configuration diagram of a filter unit according to the second embodiment of the present invention, and FIG. 6 is a diagram illustrating an operation of removing lints of the filter unit. Hereinafter, the configuration of the filter unit will be described using these.

  Although the basic configuration is the same as that of the filter unit in the first embodiment, a groove-shaped guide rail 35 extending in the longitudinal direction of the front cover 32 is provided on the side surface of the front cover 32, and on the inner side of the upper end side surface portion 41 of the rear cover 33. Cylindrical protrusions (not shown) that fit into the guide rails 35 are provided. As shown in FIG. 6, the rear cover 33 is slid in the longitudinal direction of the front cover 32 with the upper end side surface portion 41 as a fulcrum. Can be done.

  The front cover 32 and the rear cover 33 are detachably fitted via a guide rail 35. Apart from this, the lower ends of the front cover 32 and the rear cover 33 are formed with fitting claws different from the guide rails 35, and this claw fitting is also detachable.

  Next, an operation for removing the lints 36 collected in the filter unit 30 will be described. When the lower claw fitting of the lower part of the filter unit 30 is removed, as shown in FIG. 6, the filter unit 30 is coupled to the guide rail 35 of the front cover 32 only by the cylindrical protrusion provided inside the upper end side surface portion 41 of the rear cover 33. . The front cover 32 is held with one hand as it is, the rear cover 33 is held with the other hand, and the front cover 32 and the rear cover 33 are slid so that the rear cover 33 is formed on the side surface of the front cover 32. Move along 35. Accordingly, the scraping portion 37 formed at the upper end of the rear cover 33 is rubbed along the surface of the filtration member 31 inside the front cover 32, and lints attached to the surface can be removed. The guide rail 35 is provided with an appropriate gap, and the groove width of the guide rail 35 is larger than the cylindrical protrusion of the rear cover 33, so that it can slide even when lints adhere to the guide rail 35. It is like that.

  Further, when a force is applied, the front cover 32 and the rear cover 33 are separated from the guide rail 35. Note that the presence of a gap in the guide rail 35 allows the user to adjust the pressing force of the front cover 32 and the rear cover 33.

  As described above, the washing machine according to the present invention can easily and reliably remove cleanly the lint collected by the filter unit in the washing machine equipped with the box-type filter unit. Therefore, it becomes easy to keep the filter unit clean at all times, and lints are less likely to adhere to clothes after washing. As a result, it is possible to suppress scattering of allergens such as dust from clothing, and it is possible to provide a cleaner living space.

  As described above, the washing machine according to the present invention can easily and surely and cleanly remove the lint collected in the filter unit. It can also be used for washing machine applications.

DESCRIPTION OF SYMBOLS 1 Main body 2 Suspension 3 Receptacle 4 Washing / dehydration shaft 5 Dehydration tank 6 Dehydration hole 7 Fluid balancer 8 Pulsator 9 Transmission mechanism part 10 Motor 11 Motor side pulley 12 Mechanical side pulley 13 Belt 20 Reflux channel 30 Filter unit 31 Filter member 32 Front Cover 33 Rear cover 34 Check valve 35 Guide rail 36 Lints 37 Scraping section

Claims (3)

A main body, a dehydration tank rotatably supported inside the main body, a reflux water channel fixed to a side wall of the dehydration tank, and a filter unit detachably attached to the reflux water channel, A front cover having an opening for discharging the washing water introduced from the reflux channel, a filtration member attached to the opening, a rear cover attached to the front cover and integrally forming the filter unit, and washing from the filter unit A non-return valve for preventing water from flowing back to the reflux water channel, the front cover and the rear cover being detachable from each other, and the rear cover for scraping deposits adhering to the filtration member A washing machine characterized by providing a scraping part. A guide rail is provided on the front cover, the front cover and the rear cover slide along the guide rail, and the scraper provided on the rear cover slides while pressing against the filtration member. The washing machine according to claim 1. The said filtration member is comprised by the mesh inserted in the said front cover , The unevenness | corrugation of the sliding surface of the said scraping part was eliminated, and the scraping part was made to slide smoothly. Washing machine.

Images