JP2018093936A - Washing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing machine which eliminates a defect of a conventional washing machine in which a space between an inner tub and an outer tub is contaminated, which prevents contamination of laundry by always keeping a clean and hygienic state of a washing tub and which can acquire favorable cleanliness and hygiene.SOLUTION: On an inner wall surface of a drum of a washing machine in which a washing space is formed, a first insertion plate and a second insertion plate are provided detachably, and by the first insertion plate and the second insertion plate, a cylindrical shape is formed for surrounding the washing space along the inner wall surface of the drum, so that a double structure, in which a wall surface of the drum serves as a first layer wall surface and an inner layer wall surface comprising the first insertion plate and the second insertion plate is constituted, is formed. Between the first insertion plate and the second insertion plate, and the inner wall surface of the drum, a gap is formed in which a water flow passes.SELECTED DRAWING: Figure 1B

Description

  The present invention relates to a washing machine, and more particularly to a washing machine for washing household clothes.

  Most of the conventional commercially available washing machines are designed to have a two-layer structure including an inner tub and an outer tub. For this reason, dirt adheres between the inner tank and the outer tank, and bacteria are easily generated, and harmful substances easily remain. However, unless the washing machine is disassembled, such dirt cannot be completely removed. Therefore, it can be said that it is extremely unsanitary.

  The present invention eliminates the disadvantages of the conventional washing machine in which the space between the inner tub and the outer tub is contaminated, and keeps the laundry tub clean and hygienic to prevent the laundry from being contaminated. It is an object to provide a washing machine capable of obtaining hygiene.

  Accordingly, the present inventor has conducted extensive research in view of the above-described drawbacks found in conventional washing machines. As a result, the first insertion plate and the second insertion plate are provided on the inner wall surface of the drum of the washing machine in which the washing space is formed. A cylindrical shape surrounding the washing space is formed along the inner wall surface of the drum by the first insertion plate and the second insertion plate so that the wall surface of the drum is a first layer wall surface. And forming a double structure comprising an inner wall surface composed of the first insertion plate and the second insertion plate, and between the first insertion plate and the second insertion plate and the inner wall surface of the drum. The present invention has been completed based on such knowledge, focusing on the point that a problem can be solved by a washing machine formed with a gap through which a water flow passes.

The present invention will be described below. The washing machine according to claim 1, wherein an inner space is formed, and an outer frame provided with a drain pipe communicating with the inner space at a bottom portion;
A motor provided on the outer bottom surface of the outer frame;
The drum is provided in the inner space of the housing and has a washing space having an opening at the upper end, and the inner wall surface is recessed outwardly to form a concave shape with an appropriate depth and spiral in the vertical direction. A plurality of spiral drain grooves that are drawn and extended are formed, the inclination angle of the spiral drain grooves is 30 degrees or more, and the depth of the spiral drain grooves is gradually deepened toward the lower side of the drum. An annular drainage groove is formed along the circumference of the portion of the drum where the upper end of the spiral drainage groove is located, and a plurality of drainage ports penetrating the drum are formed in the annular drainage groove. A first engagement groove and a second engagement groove are formed along the circumference at the upper edge of the inner wall surface, and the first engagement groove is formed at the lower edge of the inner wall surface of the drum. An engagement protrusion is formed at a position corresponding to the second engagement groove, and a plurality of tubular water channels are provided on the bottom surface of the drum. And a drum that,
A hollow shape in which an internal space communicating with the tubular water channel of the drum is formed, a first engagement protrusion to be inserted into the first engagement groove of the drum is formed at an upper end, and the drum of the drum is formed at a lower end. A plurality of first insertion plates formed with first engagement holes into which the engagement protrusions are inserted, a part of the plurality of first insertion plates being a wash plate, and a part being a filter plate A part of which is a spoiler, and a plurality of rib-like protrusions are formed on the first side surface of the washing board, and a drain outlet communicating with the internal space is formed at a position close to the upper end, When one engaging protrusion is inserted into the first engaging groove of the drum and the engaging protrusion of the drum is inserted into the first engaging hole, the rib-shaped protrusion is directed to the washing space of the drum. A plurality of first insertion plates;
A second engagement projection for inserting into the second engagement groove of the drum is formed at the upper end, and a second engagement hole for inserting the engagement projection of the drum is formed at the lower end. A second insertion plate that is an insertion plate, the second insertion plate is a corrugated plate, a plurality of corrugated portions are formed on the first side surface, and a plurality of dewatering holes are formed in the corrugated portion;
At one end of a plurality of tubular water channels 15 provided detachably at the center of the bottom surface of the drum, connected to the rotating shaft of the motor, provided with a water flow propelling plate, and provided with an outer peripheral surface on the bottom surface of the drum. A corresponding stirring blade,
Provided on the inner wall surface of the drum such that the first insertion plate and the second insertion plate are adjacent to each other, and a gap is formed between the first insertion plate and the second insertion plate and the inner wall surface of the drum. To do.

  In the washing machine according to the present invention, all accessories provided in the washing tub are detachably provided and can be easily attached and detached, and a spiral drainage groove is formed in the drum. Cleaning or dehydration is easy and practical to maintain cleanliness.

It is a top view of the state which provided the washing board and the corrugated board in the drum in this invention. It is a perspective view of the drum of the state disclosed in FIG. It is a top view of the drum in this invention. FIG. 3 is a perspective view of a drum disclosed in FIG. 2. It is the perspective view which showed the washing board in this invention. It is the perspective view which showed the corrugated board in this invention. It is a top view of the drum of the state which provided the stirring blade in this invention. It is explanatory drawing which showed the attachment structure of the stirring blade in this invention. It is the top view which showed the stirring blade in this invention. It is explanatory drawing which showed the structure of the stirring blade disclosed to FIG. 6A. It is the top view which showed the drum of the washing machine by this invention. It is explanatory drawing which showed the structure of the washing machine by this invention.

  The present invention eliminates the disadvantages of the conventional washing machine in which the space between the inner tub and the outer tub is contaminated, and keeps the laundry tub clean and hygienic to prevent the laundry from being contaminated. A washing machine capable of providing hygiene is provided, wherein a first insertion plate and a second insertion plate are detachably provided on an inner wall surface of a drum of a washing machine in which a washing space is formed, and the first insertion plate And the second insertion plate form a cylindrical shape surrounding the washing space along the inner wall surface of the drum, whereby the wall surface of the drum is a first layer wall surface, and the first insertion plate and the second insertion plate A double structure that forms an inner wall surface composed of an insertion plate is formed, and a gap through which a water flow passes is formed between the first insertion plate, the second insertion plate, and the inner wall surface of the drum. . In order to explain the structure and characteristics of the washing machine, a specific example will be given and described in detail below with reference to the drawings.

  As disclosed in FIGS. 1A and 1B, a washing machine according to the present invention includes a drum 1, a first insertion plate 2 and a plurality of second insertion plates 3 provided in a washing space in the drum 1, and a stirring blade 4. Comprising.

  As disclosed in FIGS. 2A, 2B, 7A, and 7B, the drum 1 is a container that is provided in the outer frame 5 of the washing machine and performs washing by putting water and laundry therein, and has a cylindrical shape. The upper end is an opening surface, and the stirring blade 4 is rotatably provided on the bottom surface.

  The stirring blade 4 is connected to the rotating shaft of the motor 6 provided on the outer bottom surface of the outer frame 5 from below. Therefore, by rotating the stirring blade 4 by the motor 6, the water contained in the drum 1 can be swirled and flowed. In addition, a rebound preventing portion 51 that prevents the water from rebounding is provided at the upper edge of the outer frame 5.

  On the inner wall surface of the drum 1, there are formed a plurality of spiral drain grooves 11 that are recessed outwardly to have a concave shape with an appropriate depth and that extend in a vertical direction. The depth of the spiral drain groove 11 gradually increases toward the lower side of the drum 1. Preferably, the spiral drainage groove 11 is formed by press molding, and the inclination angle of the spiral drainage groove 11 is 30 degrees or more.

  In addition, an annular drainage groove 12 is formed along the circumference at a position where the upper end of the spiral drainage groove 11 of the drum 1 is located, and a plurality of drainage ports 13 penetrating the drum 1 are formed in the annular drainage groove 12. To do.

A first engagement groove 14 </ b> A and a second engagement groove 14 </ b> B are formed along the circumference at the upper edge of the inner wall surface of the drum 1, and a first edge is formed at the lower edge of the inner wall surface of the drum 1. A plurality of engaging protrusions 16 extending in the vertical direction are formed at positions corresponding to the engaging grooves 14A and the second engaging grooves 14B. The first engagement groove 14A and the second engagement groove 14B are formed so as to be distributed along the circumference at the upper end edge of the drum 1, and the first engagement groove 14A and the engagement second engagement groove 14B. Are arranged adjacent to each other, and the engaging protrusions 16 are formed so as to be distributed along the circumference at the lower end edge of the inner wall surface of the drum 1.

  The first engaging groove 14A and the engaging protrusion 16 formed at a corresponding position below are provided for attaching the first insertion plate 2, and are formed at a corresponding position below the second engaging groove 14B. The engagement protrusion is used for attaching the second insertion plate 3.

  The outer frame 5 is a housing that covers the outside of the washing machine, and may be formed in any shape as long as it has an appropriate shape as the housing of the washing machine. The outer frame 5 has an internal space for providing the drum body 1 and, as disclosed in FIG. 7B, a drain pipe 52 communicating with the internal space is provided at the bottom of the outer frame 5. A motor 6 is provided at the center position of the outer bottom surface of the outer frame 5, and the rotating shaft of the motor 6 extends upward along the vertical direction to penetrate the bottom surface of the outer frame 5 and attach the stirring blade 4.

  As disclosed in FIGS. 5A to 6B, the stirring blade 4 is detachably provided at the center position of the bottom surface of the drum 1, and the rotating shaft of the motor 6 is connected thereto. A water flow propelling plate 41 is provided inside the stirring blade 4, and the outer peripheral surface of the stirring blade 4 corresponds to one end of a plurality of tubular water channels 15 provided on the bottom surface of the drum 1.

  The wall surface of the drum 1 is the first layer wall surface, and the first insertion plate 2 and the second insertion plate 3 form a double structure in which the inner layer wall surface is configured. That is, the inner wall surface of the drum 1 is formed in a cylindrical shape surrounding the washing space along the circumference, and a water flow is passed between the first insertion plate 2 and the second insertion plate 3 and the inner wall surface of the drum 1. A gap is formed.

  The first insertion plate 2 is a washing plate 2A, a filter plate 2B, and a spoiler 2C based on different functions required for washing. Two washboards 2A are provided, and are attached to opposing positions on the inner wall surface of the drum 1, respectively. The filter plate 2B and the spoiler 2C are provided so as to face each other at a position where a line orthogonal to a line connecting the two washing plates 2A intersects the inner wall surface of the drum 1.

  As shown in FIG. 3, some of the first insertion plates 2 are washing plates 2A, the washing plates 2A have a hollow shape in which an internal space 24 is formed, and the upper end of the washing plate 2A has a first engagement. A first engaging protrusion 25 corresponding to the mating groove 14A is formed. A first engagement hole 23 corresponding to the engagement protrusion 16 is formed at the lower end of the washing plate 2A. The first engagement hole 23 communicates with the internal space 24 of the washing board 2A.

  The washing plates 2A are provided at positions facing the inner wall surface of the drum 1, respectively. In this case, the first engagement protrusion 25 of the washing plate 2 </ b> A is inserted into the first engagement groove 14 </ b> A of the drum 1, and the engagement protrusion 16 of the drum 1 is inserted into the first engagement hole 23. Therefore, the internal space 24 of the washing board 2A communicates from the lower end to the other end of the tubular water channel. A plurality of rib-like protrusions 21 are formed on the first side surface of the washing board 2A, and a drain port 22 communicating with the internal space 24 is formed at a position close to the upper end of the washing board 2A.

  When assembling the washing plate 2 </ b> A on the drum 1, the plurality of rib-shaped protrusions 21 and the drainage ports 22 are directed toward the washing space of the drum 1. In other words, on the inner wall surface of the drum 1, washing plates 2A are provided at opposite positions on the circumference, and when the stirring blade 4 is rotated by the drive of the motor 6, the stirring blade 4 not only swirls the water flow. The water flow propelling plate 41 formed on the stirring blade 4 pushes a part of the water flow, so that the pushed water flow passes through the tubular water channel 15 and enters the internal space 24 of the washing plate 2A, and further drains above the washing plate 2A. It flows out of the mouth 22. The laundry comes into contact with the rib-like projections 21 in the process of being moved by the rotating water flow, and the cleaning power is increased by friction.

  In the present invention, some of the first insertion plates 2 may be filter plates 2B. It is a plate body in which the internal space of the filter plate 2B is formed, and is formed with a drain hole (not shown). A filter is provided in the drain hole. The filter plate 2B is provided on the inner wall surface of the drum 1 at a position facing the spoiler 2C.

  When the stirring blade 4 rotates the water flow, the water flow propulsion plate 41 simultaneously moves a part of the water flow. The water flow pushed by the water flow propulsion plate 41 enters the internal space of the filter plate 2B through the tubular water channel 15, and is further discharged from the drain port of the filter plate 2B. In this case, by passing through a filter provided at the drain port, the water flow can be filtered to remove fiber waste or foreign matter.

  In the present invention, some of the first insertion plates 2 may be spoilers 2C. The spoiler 2C is a plate that does not form an internal space, and forms appropriate protrusions on the surface. The spoiler 2C is provided on the inner wall surface of the drum 1 at a position facing the position where the filter plate 2B is provided.

  When the stirring blade 4 swirls the water flow, the swirling water flow is affected by the spoiler 2C to generate a turbulent flow. For this reason, the laundry receives the impact of the water flow, and the cleaning effect is enhanced.

  As shown in FIG. 4, the second insertion plate 3 is a corrugated plate 3A, and a second engagement protrusion 34 is formed at the upper end of the corrugated plate 3A, and a second engagement hole 33 is formed at the lower end. To do. A plurality of corrugated portions 31 are formed on the first side surface of the corrugated plate 3 </ b> A, and the corrugated portion 31 is provided with a plurality of dewatering holes 32 penetrating from the first side surface to the second side surface.

  The corrugated plate 3A is provided at a position facing the inner wall surface of the drum 1. In this case, the second engagement protrusion 34 is inserted into the second engagement groove 14 </ b> B of the drum 1, and the engagement protrusion 16 of the drum 1 is inserted into the second engagement hole 33. Therefore, by combining the corrugated plate 3A, the washing plate 2A, the filter plate 2B, and the spoiler 2C, an inner layer wall surface is formed along the inner wall surface of the drum 1.

  In the washing machine having the above configuration, when the stirring blade 4 swirls the water flow, the washing effect of the laundry is enhanced by the friction with the waved portion 31. When the washing is completed and the water is dehydrated, a part of the water in the drum 1 is blown out from the dewatering hole 32 and a part of the water is blown out, flows along the spiral drainage groove 11 and exits from the drainage port 13. The water that has flowed out of the drum 1 goes out of the outer frame 5 through the drain pipe 52.

  When the washing machine according to the present invention is used for a certain period of time and dirt is deposited on the inner wall surface of the drum 1 and the outer peripheral surfaces of the first insertion plate 2 and the second insertion plate 3, the first insertion plate 2 and the first insertion plate 2 This is convenient because it can be attached again after removing and cleaning the 2 insertion plate 3 with a simple operation. Such operations can always keep the inner layer of the washing machine clean and hygienic, and the laundry after washing is clean and hygienic and free from contamination.

DESCRIPTION OF SYMBOLS 1 Drum 11 Spiral drainage groove 12 Annular drainage groove 13 Drain outlet 14A First engagement groove 14B Second engagement groove 15 Tubular channel 16 Engagement protrusion 2 First insertion plate 2A Washing plate 2B Filter plate 2C Spoiler 21 Rib-like projection Portion 22 Drain port 23 First engagement hole 24 Internal space 25 First engagement protrusion 3 Second insertion plate 3A Corrugated plate 31 Corrugated part 32 Dewatering hole 33 Second engagement hole 34 Second engagement protrusion 4 Stirring blade 41 Water flow Propulsion plate 5 Outer frame 51 Rebound prevention part 52 Drain pipe 6 Motor

The present invention will be described below.
The washing machine according to claim 1 is:
An outer frame in which an internal space is formed and a drain pipe communicating with the internal space is provided at the bottom;
A motor provided on the outer bottom surface of the outer frame;
The drum is provided in the inner space of the outer frame and has a washing space having an opening at the top, and the inner wall surface is recessed outwardly to form a concave shape with an appropriate depth and spiral in the vertical direction. A plurality of spiral drain grooves extending to draw a spiral, the inclination angle of the spiral drain grooves is 30 degrees or more, and the depth of the spiral drain grooves gradually decreases toward the lower side of the drum. An annular drainage groove is formed along the circumference of the drum at a position where the upper end of the spiral drainage groove is located, and a plurality of drainage ports penetrating the drum are formed in the annular drainage groove. A first engagement groove and a second engagement groove are formed along the circumference at the upper edge of the inner wall surface of the inner wall, and the first engagement groove is formed at the lower edge of the inner wall surface of the drum. And a second engagement groove, and a plurality of tubular water channels are provided on the bottom surface of the drum. And no,
A hollow shape in which an internal space communicating with the tubular water channel of the drum is formed, a first engagement protrusion to be inserted into the first engagement groove of the drum is formed at an upper end, and the drum of the drum is formed at a lower end. A plurality of first insertion plates formed with first engagement holes into which the engagement protrusions are inserted, a part of the plurality of first insertion plates being a wash plate, and a part being a filter plate A part of which is a spoiler, and a plurality of rib-like protrusions are formed on the first side surface of the washing board, and a drain outlet communicating with the internal space is formed at a position close to the upper end, the first engagement projection inserted in the first engagement groove of the drum, the rib-like protrusion when inserting the engagement projections of the drum in the first engagement hole toward the washing space of the drum A plurality of first insertion plates,
A second engagement projection for inserting into the second engagement groove of the drum is formed at the upper end, and a second engagement hole for inserting the engagement projection of the drum is formed at the lower end. A second insertion plate that is an insertion plate, the second insertion plate is a corrugated plate, a plurality of corrugated portions are formed on the first side surface, and a plurality of dewatering holes are formed in the corrugated portion;
Provided detachably in the center position of the bottom surface of the drum, and the connected rotary shaft of the motor, inside provided water propulsion plate, and one end of a plurality of tubular water passage peripheral surface is provided on the bottom of the drum A corresponding stirring blade,
Provided on the inner wall surface of the drum such that the first insertion plate and the second insertion plate are adjacent to each other, and a gap is formed between the first insertion plate and the second insertion plate and the inner wall surface of the drum. To do .

Claims (1)

An outer frame in which an internal space is formed and a drain pipe communicating with the internal space is provided at the bottom;
A motor provided on the outer bottom surface of the outer frame;
The drum is provided in the inner space of the housing and has a washing space having an opening at the upper end, and the inner wall surface is recessed outwardly to form a concave shape with an appropriate depth and spiral in the vertical direction. A plurality of spiral drain grooves that are drawn and extended are formed, the inclination angle of the spiral drain grooves is 30 degrees or more, and the depth of the spiral drain grooves is gradually deepened toward the lower side of the drum. An annular drainage groove is formed along the circumference of the portion of the drum where the upper end of the spiral drainage groove is located, and a plurality of drainage ports penetrating the drum are formed in the annular drainage groove. A first engagement groove and a second engagement groove are formed along the circumference at the upper edge of the inner wall surface, and the first engagement groove is formed at the lower edge of the inner wall surface of the drum. An engagement protrusion is formed at a position corresponding to the second engagement groove, and a plurality of tubular water channels are provided on the bottom surface of the drum. And a drum that,
A hollow shape in which an internal space communicating with the tubular water channel of the drum is formed, a first engagement protrusion to be inserted into the first engagement groove of the drum is formed at an upper end, and the drum of the drum is formed at a lower end. A plurality of first insertion plates formed with first engagement holes into which the engagement protrusions are inserted, a part of the plurality of first insertion plates being a wash plate, and a part being a filter plate A part of which is a spoiler, and a plurality of rib-like protrusions are formed on the first side surface of the washing board, and a drain outlet communicating with the internal space is formed at a position close to the upper end, When one engaging protrusion is inserted into the first engaging groove of the drum and the engaging protrusion of the drum is inserted into the first engaging hole, the rib-shaped protrusion is directed to the washing space of the drum. A plurality of first insertion plates;
A second engagement projection for inserting into the second engagement groove of the drum is formed at the upper end, and a second engagement hole for inserting the engagement projection of the drum is formed at the lower end. A second insertion plate that is an insertion plate, the second insertion plate is a corrugated plate, a plurality of corrugated portions are formed on the first side surface, and a plurality of dewatering holes are formed in the corrugated portion;
At one end of a plurality of tubular water channels 15 provided detachably at the center of the bottom surface of the drum, connected to the rotating shaft of the motor, provided with a water flow propelling plate, and provided with an outer peripheral surface on the bottom surface of the drum. A corresponding stirring blade,
Provided on the inner wall surface of the drum such that the first insertion plate and the second insertion plate are adjacent to each other, and a gap is formed between the first insertion plate and the second insertion plate and the inner wall surface of the drum. A washing machine characterized by that.