JP4853562B2 - Washing machine - Google Patents

Description

  The present invention relates to a washing machine including a detergent container and a water filling lid for supplying water to the detergent container.

  A conventional washing machine of this type generally has a configuration in which water is supplied into a water tank through a detergent container that contains detergent from a water supply valve that supplies water from the water supply to the upper part of the washing machine body (for example, , See Patent Document 1).

  FIG. 6 is a longitudinal sectional view of a conventional drum type washing machine described in Patent Document 1, and FIG. 7 is a side view showing a configuration of a detergent container of the conventional drum type washing machine.

  In FIG. 6, in the drum type washing machine, a rotating drum (washing and dewatering tub) 62 that is rotated by a drive motor 61 and has a rotating shaft in a substantially horizontal direction or an inclined direction, and a water tub (outer tub) 63 that includes the rotating drum 62. And the detergent charging structure 64 is disposed above.

  In FIG. 7, the detergent charging structure 64 will be described. The detergent charging structure 64 includes a detergent charging unit frame 65, a detergent container 68, and a water injection lid 66 that closes the upper part thereof, and a water supply hose 70 connected to the water tank 63 is provided at the lower part of the detergent charging unit frame 65. The detergent container 68 is connected to the detergent container 65 so that the detergent container 68 can be pulled out. Further, a water supply valve 69 for stopping or supplying water from the water supply receiving port 67 is provided on the side surface of the detergent charging unit frame 65.

  By setting a detergent or finish in the detergent container 68 and opening the water supply valve 69, water is supplied from the water supply valve 69 through a part of the detergent charging unit frame 65 into the upper water injection lid 66. The The supplied water is injected into the detergent container 68 from a plurality of water injection holes (not shown) provided in the water injection lid 66, mixed with the detergent put in the detergent container 68, and mixed with the detergent. It becomes. The agent mixed water passes through the water supply hose 70 connected to the bottom from the overflow portion 71 and the like, and is supplied into the water tank 63. In the above configuration, the detergent is supplied and water is supplied. However, in the above configuration, when water is supplied to the detergent charging part at a high pressure, if water exceeding the capacity capacity flowing out from the overflowing part 71 is supplied, the overflowing water from the detergent container 68 leaks to the front of the washing machine. there were. In order to prevent this, a structure in which a seal member is attached to prevent overflow, or a water draining cover 66 is provided with a bypass drain hole that is not supplied into the detergent container 68 so that a portion of the water is not supplied. A configuration for reducing the amount of water discharged to the storage container 68 has been proposed.

JP 2007-68801 A

  However, in the configuration in which the seal member is attached, in addition to the workability and cost problems, there is a problem in the water seal durability. In the configuration such as lowering the water discharge pressure, there is a problem that the amount of water supplied to the detergent container decreases at low water pressure, and the detergent remains defective when the detergent cannot be completely discharged.

An object of the present invention is to solve the above-mentioned conventional problems, and to provide a washing machine having a detergent container that eliminates residual detergent and has no risk of water leakage.

  In order to solve the above-described conventional problems, a washing machine according to the present invention includes a rotating drum for storing laundry, a water tank containing the rotating drum, and a detergent container for storing detergent provided above the water tank. A water injection lid that injects water into the detergent storage container, a detergent charging part frame that forms a space in which the detergent storage container is retractably stored, and a water supply valve that controls water supply to the water injection lid And a washing machine provided with a water supply path that is provided at the bottom of the detergent charging unit frame and communicates with the water tank, wherein the detergent container contains a detergent container that contains the detergent, and discharges the detergent. And a recovery passage provided to communicate with the recovery groove, and a recovery passage having a bottom, provided in the drawer direction side of the detergent container, and a recovery passage provided in communication with the recovery portion. The passage is in communication with the input path. It is an.

  As a result, even when the water supplied from the water injection lid to the detergent container overflows to the front side, it can be recovered from the recovery groove through the recovery passageway into the detergent inlet frame, and an additional seal member is added. This makes it possible to prevent water leakage without increasing costs. In addition, by eliminating the risk of water leakage, it is no longer necessary to have a drain hole in the bypass, making it possible to increase the amount of water supplied from the water-filling lid to the detergent container. Sex can also be avoided. In addition, by increasing the amount of water supply, the water supply time can be shortened, leading to a reduction in time.

  According to the configuration of the detergent container of the washing machine of the present invention, it is possible to prevent water leakage without increasing the cost due to the addition of the seal member, and to solve the remaining detergent during low-pressure water supply.

1 is a longitudinal sectional view of a washing machine according to Embodiment 1 of the present invention. Side cross-sectional view of the detergent charging unit frame part of the washing machine Disassembled perspective view of the structure of the detergent charging unit frame of the washing machine Operation side cross-sectional view of the frame part of the detergent insertion part of the washing machine The disassembled perspective view of the structure of the detergent insertion part frame part of the washing machine in Embodiment 2 of this invention Vertical section of a conventional washing machine Side view showing the configuration of a detergent container of a conventional washing machine

A first aspect of the present invention is a rotating drum for storing laundry, a water tank containing the rotating drum, a detergent storage container provided above the water tank for storing detergent, and water injection for pouring water into the detergent storage container A lid, a detergent charging unit frame that forms a space in which the detergent container is retractably stored, a water supply valve that controls water supply to the water injection lid, and a bottom of the detergent charging unit frame A washing machine provided with a water supply path provided to communicate with the water tank,
The detergent container includes a detergent container that contains the detergent, a charging passage that communicates with the space for discharging the detergent, and a bottomed concave recovery groove provided on the side of the detergent container in the pulling direction. And a recovery passage provided so as to communicate with the recovery groove, and the recovery passage communicates with the charging passage, whereby the washing machine is characterized in that, When the supplied water overflows to the front side, it can be recovered from the recovery groove through the recovery passage and into the detergent charging unit frame, and water leakage can be prevented without increasing the cost by adding a seal member. Is possible. In addition, since the risk of water leakage is eliminated, it is possible to increase the amount of water supplied from the water injection lid to the detergent inlet, thereby avoiding the risk of remaining detergent during low-pressure water supply. In addition, by increasing the amount of water supply, the water supply time can be shortened, leading to a reduction in time.

  In the second aspect of the invention, in particular, when the recovery passage of the first aspect of the invention is a washing machine that is the detergent container, the water supplied from the water injection lid to the detergent container overflows forward. In addition, the liquid detergent container or powder detergent container can be used to collect the liquid into the detergent charging unit frame, thereby preventing water leakage and using the collection passage as a liquid or powder detergent container. Therefore, the detergent container can be downsized.

  According to a third aspect of the present invention, in particular, when the detergent container of the first or second aspect of the present invention is pulled out from the detergent charging unit frame in a normal use state, the charging channel is a space of the detergent charging unit frame. Even when the water supplied from the water injection lid to the detergent container overflows to the front side by the washing machine configured to be located in the section, the detergent is introduced from the collection groove through the collection passage. Since the detergent can be collected into the container and the detergent is put into the detergent container, when the detergent container is pulled out of the detergent container, the water remaining in the collection groove and the collection passage is removed from the detergent container. Since it is dripped in the body, dripping of water to the outside can be prevented.

  According to a fourth aspect of the present invention, there is provided a washing machine in which a rib is provided at the upper edge of the detergent charging frame of the first aspect, and the upper end of the rib is in contact with the water injection lid. Even when high water pressure is poured from the lid to the detergent container and the water jumps, the ribs prevent the water from splashing outside the detergent charging unit frame.

  In particular, the fifth invention further includes a groove on the outer periphery of the rib of the detergent charging frame body of the fourth invention, and the rib is a notch that communicates the groove and the space of the detergent charging frame body. The outer peripheral portion of the washing machine is provided with a small amount of water that has exuded from a minute gap between the tip of the rib and the lower surface of the water injection lid without dripping outside the detergent charging unit frame. It is collect | recovered by the groove | channel formed in this, and it can return to the inward of a detergent throwing-in part frame body from a notch part. Thus, in addition to the configuration for preventing water leakage from the front of the detergent container having an opening on the upper side, water leakage from the upper peripheral edge of the detergent charging unit frame can be eliminated. Thereby, the water leakage to the outside from a detergent input part frame can also be eliminated without the cost increase by addition of a sealing member also in the upper peripheral part of this detergent input part frame.

  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 longitudinal sectional view of a washing machine according to the first embodiment of the present invention. In FIG. 1, the left side indicates the front of the washing machine. FIG. 2 is a side cross-sectional view of the detergent charging unit frame portion of the washing machine. FIG. 3 is an exploded perspective view of the structure of the detergent charging unit frame of the washing machine.

  In FIG. 1, a washing machine 1 has a washing machine housing 2 in which a rotating drum 4 and a water tub 3 are installed. An upper portion of the water tank 3 is provided with a detergent charging portion frame body 40 having a substantially U-shaped box shape with a bottom and having an opening on the upper side. Further, a water injection lid 30 is provided above the detergent charging unit frame 40. The detergent container 21 is housed in the space 40d in the detergent container 40 so that it can be pulled out. The water injection lid 30 is provided with a first water supply path 31 and a second water supply path 32 for supplying water to the detergent container 21. A water supply valve 7 is connected to the first water supply path 31 and the second water supply path 32, and water is supplied by opening and closing the water supply valve 7. A water supply path 26 is connected to the bottom of the detergent charging unit frame 40, and the water supply path 26 is connected to the water tank 3.

In FIG. 2, the detergent charging unit frame part will be described in more detail. The detergent container 21 is housed in the detergent charging unit frame 40 so as to be pulled out. The detergent container 21 includes a handle 25 and can be pulled out freely by an operation by the handle 25. The detergent container 21 includes a powder detergent container 22 that contains a powdered synthetic detergent, a liquid detergent container 23 that contains a liquid detergent or a liquid bleach, and a liquid finish agent container 24 that contains a liquid finish. ing. The water injection lid 30 has a water passage space portion 37 that serves as a water passage for water to be supplied to the detergent container 21, and a water injection port 33 in which a large number of small holes are formed on the bottom surface. The water flow space portion 37 is formed by thermally welding two resin molded plates made of polypropylene resin or the like. The water flow space 37 includes a first water supply path 31 that supplies water to the powder detergent container 22 and the liquid detergent container 23, and a second water supply path 32 that supplies water to the liquid finish agent container 24. Is provided.

  A powder detergent charging path 22 a is formed on the downstream side of the powder detergent container 22, a liquid detergent charging path 23 a is formed on the downstream outer bottom of the liquid detergent container 23, and downstream of the outer bottom of the liquid finishing agent container 24. On the side, a liquid finish agent charging path 24a is formed.

  The detergent charging unit frame 40 is integrally formed with a detergent liquid supply path 41 at the bottom. As shown by arrows A and B, the detergent liquid is diluted with water supplied from the water supply valve 7 so that the detergent liquid flows from the detergent introduction paths to the detergent liquid supply path 41 through the space 40d. Further, the detergent mixture is supplied from the detergent liquid supply path 41 into the water tank 3 via the water supply path 26 connected to the detergent liquid supply path 41.

  The exploded perspective view of FIG. 3 shows a disassembled state in which the detergent container 21 is pulled out from the detergent charging unit frame 40 to a predetermined position or more and the water injection lid 30 is removed upward.

  In FIG. 3, the 1st water supply path 31 and the 2nd water supply path 32 are formed in the back (left side of a figure) of the water injection cover body 30. As shown in FIG. Also, the detergent charging part frame 40 is formed in a bottomed U-shaped box with a bottom that is open and serves as a drawer opening for the detergent container 21.

  The detergent container 21 has a powder detergent container 22 on the left side in FIG. 3 and a liquid detergent container 23 and a liquid finish container on the drawing direction side (front side of the washing machine in the first embodiment, right side in FIG. 3). The part 24 and the collection passage 19 are arranged in parallel. During washing, water is supplied from the first water supply path 31 of the water injection lid 30 to the powder detergent container 22 and the liquid detergent container 23. At the time of rinsing, water is supplied from the second water supply channel 32 to the liquid finishing agent storage unit 24.

  The liquid finishing agent storage unit 24 is formed with a hollow pipe 24b having a predetermined height at the bottom. The pipe 24b has an upper end opened and a lower end opened to the liquid finish agent introduction path 24a. The liquid finish agent accommodating portion 24 is covered with a liquid finish agent accommodating portion lid 24d having a cap-shaped cylindrical portion 24c at a position corresponding to the pipe 24b from above. There is a predetermined gap between the lower end portion of the cylindrical portion 24c and the bottom portion of the liquid finish storage portion 24, and there is a predetermined gap between the inner upper surface of the cylindrical portion 24c and the upper end portion of the pipe 24b. ing. With this configuration, when water is supplied to the liquid finish storage unit 24, the supplied water rises between the inner surface of the cylindrical portion 24c and the outer surface of the pipe 24b due to the siphon effect, and passes through the inside of the pipe 24b. It will fall to the liquid finishing agent charging path 24a.

  Between the liquid detergent container 23 and the liquid finish agent container 24 on the pull-out direction side (right side in FIG. 3), there is a bottomed concave collection groove 50. The collection groove 50 communicates with the collection passage 19 provided at the side of the liquid detergent container 23 and the notch 20.

  The recovery passage 19 communicates with the liquid detergent charging path 23a or the liquid finishing agent charging path 24a on the outer bottom portion on the downstream side of the detergent container 21 and serves as a discharge outlet.

Further, the labyrinth rib 40a is formed on the upper edge of the detergent charging unit frame 40 on the three sides of the U-shape when viewed from above, and the upper end of the labyrinth rib 40a is brought into contact with the lower surface of the water injection lid 30. A groove 40b is wound around the outer periphery. Further, the groove 40b forms a total of four notches 40c, two on the back side in FIG. 3 and one on each of the other two sides so as to communicate with the inside of the detergent charging unit frame 40. ing.

  In the first embodiment, a state where the detergent container is pulled out will be described with reference to FIG. FIG. 4 is an operation side cross-sectional view of the detergent charging unit frame portion of the washing machine according to the first embodiment, in which the detergent container is pulled out to a predetermined position in the normal use state. The state of being pulled out to a predetermined position for normal use is when the user pulls out the detergent container 21 toward the front of the washing machine housing 2 before starting washing and puts in detergents. A predetermined amount of detergent or the like is put into the liquid detergent container 23 or the powder detergent container 22 of the detergent container 21 from above (in the direction of arrow C) while being pulled out.

  As described above, when the detergent container 21 is pulled out from the detergent charging unit frame 40 to a predetermined position for normal use by operating the handle 25, the liquid detergent container 23, the liquid finish agent container 24, and the collection groove are collected. The liquid detergent charging path 23a or the liquid finishing agent charging path 24a, which is the outlet of 50, is configured not to protrude from the space 40d of the detergent charging section frame 40 but to be located inward.

  The operation of the washing machine configured as described above will be described below. Commercially available powder detergents, liquid detergents, and liquid finishes are put into the powder detergent container 22, liquid detergent container 23, and liquid finish container 24 of the detergent container 21 by the user. The type of detergent to be added is appropriately selected by the user, and may be one or all of them.

  When the washing process is started, the water supply valve 7 is opened and water is supplied. The supplied water flows into the first water supply path 31 provided in the water flow space portion 37. The water that has flowed into the first water supply channel 31 is poured into the powder detergent container 22 and the liquid detergent container 23 from the water filling port 33.

  In the powder detergent container 22, the powder detergent and water are mixed and dissolved to form a detergent mixture. The detergent mixture flows into the powder detergent charging path 22a, and the space 40d and the detergent liquid supply path as indicated by the arrow A. It will flow to 41. Similarly, in the liquid detergent container 23, the liquid detergent and water are mixed and dissolved to form a detergent mixed liquid. The detergent mixed liquid flows into the liquid detergent charging path 23a, and the space 40d and the detergent liquid as indicated by the arrow B. It flows to the supply path 41.

  These detergent mixed liquids are finally supplied to the water tank 3 through the water supply path 26 via the detergent liquid supply path 41.

  In addition, a rinsing step is performed after the washing step. During this rinsing step, the water supplied from the water supply valve 7 flows into the second water supply path 32 provided in the water flow space portion 37. The water that has flowed into the second water supply path 32 is poured into the finishing agent storage unit 24 from the water injection port 33.

  In the finishing agent container 24, the finishing agent and water are mixed and dissolved to form a detergent mixture, and the detergent mixture is siphoned between the inner surface of the cylindrical portion 24c and the outer surface of the pipe 24b, and the pipe 24b. It flows into the finishing agent charging path 24a through the inside, and flows to the space 40d and the detergent liquid supply path 41 as indicated by an arrow B. Further, the detergent mixture is supplied to the water tank 3 through the water supply path 26.

  As described above, the detergent mixture is supplied to the water tank 3 during the washing process and the rinsing process.

Here, in the first embodiment, the detergent container 21 is provided with a collection groove 50 and a collection passage 19. A collection groove 50 is provided on the liquid detergent container 23 and the finish agent container 24 in the drawing direction side (front side of the washing machine in the first embodiment, right side in FIG. 3). The passage 19 and the notch 20 communicate with each other. Therefore, since it flows slowly due to the siphon effect, water is supplied to the finishing agent storage section 24 where water easily collects from the water injection lid 30 by high pressure, and even if the supplied water overflows in the direction of withdrawal, the detergent is stored. Without being leaked to the outside of the container 21, it is recovered into the recovery groove 50. Further, the recovered water can be recovered from the recovery groove 50 through the recovery passage 19 into the detergent input frame 40 from the liquid detergent input path 23a or the liquid finish agent input path 24a. This makes it possible to prevent water leakage without increasing the cost due to the addition of the seal member.

  Further, since there is no risk of water leakage, it is possible to increase the amount of water supplied from the water injection lid 30 to the detergent charging unit, thereby avoiding the risk of remaining detergent during low-pressure water supply. In addition, by increasing the amount of water supply, the water supply time can be shortened, leading to a reduction in time.

  Moreover, in this Embodiment 1, the high labyrinth rib 40a is formed in the outer peripheral wall of 3 sides of the detergent injection | throwing-in part frame 40, and the labyrinth rib 40a is made to contact the lower surface of the said water injection lid body 30. FIG. Therefore, even when high water pressure is injected from the water injection lid 30 to the detergent container 21 and the water jumps, the labyrinth rib 40a prevents water from splashing outside the detergent charging unit frame 40. Further, the groove 40b formed in the outer peripheral portion of the labyrinth rib 40a and the minute amount of water oozing out from the minute gap between the lower surface of the water filling lid 30 is not dripped to the outside of the detergent charging unit frame 40. It can collect | recover and return to the inside of the detergent injection | throwing-in part frame 40 from the notch part 40c. Thus, in addition to the configuration for preventing water leakage from the front (the handle 25 side) of the detergent container 21 having an opening upward, water leakage from the upper peripheral edge of the detergent charging unit frame 40 can be eliminated. Thereby, the water leakage to the outside from the detergent addition part frame 40 can also be eliminated also in the upper peripheral part of this detergent injection part frame 40, without the cost increase by addition of a sealing member.

  As shown in FIG. 4, when the detergent container 21 is pulled out from the detergent charging unit frame 40 to a predetermined position in the normal use state, the liquid detergent charging channel 23a or the liquid finishing agent charging channel 24a is It is configured so as not to protrude from the space portion 40d of the detergent charging portion frame body 40 but to be located inward. Therefore, when the liquid detergent is put in the liquid detergent container 23, or when the liquid finish agent is excessively poured into the liquid finish agent container 24 and flows out due to the siphon effect, the overflowing water remains in the recovery groove 50. In such a case, the liquid detergent can be collected into the detergent charging unit frame 40 from the liquid detergent charging path 23a or the liquid finishing agent charging path 24a, so that dripping of the liquid detergent, liquid finishing agent and water to the outside is prevented. It becomes possible.

(Embodiment 2)
The configuration and operation of the second embodiment of the present invention will be described with reference to FIG. The description of the same configuration as in the first embodiment will be omitted, and only different parts will be described.

FIG. 5 is an exploded perspective view of the structure of the detergent charging unit frame part of the washing machine according to the second embodiment of the present invention, in which the detergent container 21 is pulled out to a predetermined position and the water filling lid 30 is shown. Shows a disassembled state in which is removed upward.
In FIG. 5, the detergent container 21 has a liquid detergent container 23 and a liquid finish container 24 arranged in parallel. Further, a concave collection groove 50 with a bottom is provided between the handle 25 in front of the liquid detergent container 23 and the liquid finish agent container 24 (right side in FIG. 4). The collection groove 50 is connected to the liquid detergent container 23 by the notch 20 and is further connected to the liquid detergent charging path 23a. Therefore, the liquid detergent container 23 serves as a recovery passage for the water overflowing the recovery groove 50.

The operation of the washing machine configured as described above will be described below.
The liquid detergent container 23 serves as the collection passage 19 in the first embodiment. Therefore, even when the water supplied from the water injection lid 30 to the detergent container overflows to the front side, it flows from the collection groove 50 through the liquid detergent container 23 into the detergent charging unit frame 40. Can be recovered. Therefore, it is possible to prevent water leakage without increasing the cost due to the addition of the seal member. Further, since the liquid detergent container 23 serves as a recovery passage, the detergent container itself can be downsized.

  In the second embodiment, the liquid detergent container 23 is configured to function as a recovery passage. However, the liquid finish agent container 24 and the powder detergent container 22 are configured to function. Is also possible.

  In Embodiment 2, the liquid detergent container 23 and the liquid finish container 24 are provided in parallel on the handle 25 side in front of the powder detergent container 22 (on the right side in FIG. 4). The same effect can be obtained even if the arrangement of the part 22 and the liquid detergent container 23 or the liquid finish container 24 is replaced, or the powder detergent container 22 and the liquid detergent container 23 are configured as one container. Obtainable.

  As described above, the washing machine according to the present invention can prevent water leakage without increasing the cost due to the addition of the seal member, and can solve the remaining detergent at the time of low-pressure water supply. The present invention can be applied not only to a drum-type washing machine in which a drum is inclined, but also to a washing machine in which a washing and dewatering tub is a vertical type.

3 Water tank 4 Rotating drum 7 Water supply valve 19 Recovery passage 21 Detergent container 22 Detergent container (detergent container)
23 Liquid detergent container (detergent container)
23a Liquid detergent input path (input path)
24 Liquid finishing agent storage (detergent storage)
24a Liquid finishing agent input path (input path)
26 Water supply path 30 Water injection lid 40 Detergent input part frame 40a Labyrinth rib 40b Groove 40c Notch 40d Space part 41 Detergent liquid supply path 50 Collection groove

Claims (5)

A rotating drum for storing laundry, a water tank containing the rotating drum, a detergent container provided above the water tank for storing detergent, a water injection lid for pouring water into the detergent container, and the detergent A detergent charging unit frame that constitutes a space for accommodating the storage container so that it can be withdrawn, a water supply valve that controls water supply to the water injection lid, and a water tank provided at the bottom of the detergent charging unit frame and communicating with the water tank A washing machine equipped with a water supply channel
The detergent container includes a detergent container that contains the detergent, a charging passage that communicates with the space for discharging the detergent, and a bottomed concave recovery groove provided on the side of the detergent container in the pulling direction. A washing passage provided so as to communicate with the collection groove, and the collection passage communicates with the charging passage. The washing machine according to claim 1, wherein the recovery passage is the detergent container. 3. The detergent container according to claim 1, wherein the detergent container is configured such that, when the detergent container is pulled out from the detergent charging unit frame in a normal use state, the charging channel is positioned in a space of the detergent charging unit frame. Washing machine. The washing machine according to claim 1, wherein a rib is provided on an upper edge portion of the detergent charging frame, and an upper end portion of the rib is in contact with the water injection lid. The washing machine according to claim 4, further comprising a groove on an outer periphery of the rib of the detergent charging frame, wherein the rib includes a notch that communicates the groove and a space of the detergent charging frame.

Images