JP2019098061A - Washing machine - Google Patents

Abstract

To provide a washing machine in which agitation performance of clothes has been further enhanced by devising the shape of a pulsator.SOLUTION: A washing machine is constituted so that an upper surface type water supply unit having a water supply port on an upper surface can be mounted on a top cover for constituting an upper part of a washing machine body. The washing machine includes: a water supply unit storage part provided at the top cover; a back surface type water supply unit stored in the water supply unit storage part and having a water supply port on the back surface; a non-back surface cover for covering the surfaces other than the back surface of the back surface type water supply unit stored in the water supply unit storage part; and a back surface cover for covering the back surface of the back surface type water supply unit stored in the water supply unit storage part. The water supply unit storage part and the non-back surface cover can be connected with each other, the water supply unit storage part and the back surface cover can be connected with each other, and the non-back surface cover and the back surface cover can be connected with each other.SELECTED DRAWING: Figure 1

Description

  Embodiments of the present invention relate to a washing machine.

  The washing machine is provided with a water supply unit for supplying water into the water tank in a top cover constituting an upper portion of the washing machine body. Here, for example, in a washing machine used in Japan, the water supply unit is generally configured to have a water supply port on the upper surface thereof.

JP, 2017-185088, A

  By the way, in countries other than Japan, for example, the People's Republic of China and the Kingdom of Thailand, the water supply unit is generally configured to have a water supply port on its back surface. Therefore, let us use the top cover of the washing machine used in Japan, that is, the top cover designed on the assumption of the water supply unit having the water supply port on the top as the top cover of the washing machine used in countries other than Japan. Then, due to the difference in the position of the water supply port, the back side of the water supply unit, in particular, where the water supply port is present can not be covered and is exposed.

  Therefore, even if the water supply unit having the water supply port on the back is attached to the top cover designed on the assumption of the water supply unit having the water supply port on the upper surface, the back surface of the water supply unit where the water supply port exists is covered. Provide a washing machine that can

  The washing machine according to the present embodiment is a washing machine configured to be attachable to an upper surface type water supply unit having a water supply port on the upper surface, to a top cover constituting an upper portion of the washing machine main body. Type water supply unit, non-back cover, back cover. The water supply unit storage portion is provided on the top cover. A back surface type water supply unit is accommodated in the said water supply unit accommodating part, and has a water supply port on the back surface. The non-back cover covers the surface other than the back surface of the back-type water supply unit housed in the water supply unit housing. A back cover covers the back of the back type water supply unit stored in the water supply unit storage unit. The water supply unit storage unit and the non-back cover can be connected, the water supply unit storage unit and the back cover can be connected, and the non-back cover and the back cover can be connected.

The construction example of the whole washing machine concerning this embodiment is shown roughly, and the side view showing the state where a back type water supply unit was attached is shown. The back view which shows roughly the structural example of the back of the upper part of the washing machine which concerns on this embodiment The construction example of the whole washing machine concerning this embodiment is shown roughly, and the side view showing the state where the upper surface type water supply unit was attached is shown. The figure which shows roughly an example of the manufacturing method of the washing machine which concerns on this embodiment (the 1) The perspective view which shows roughly the state in which the water supply unit assembly which concerns on this embodiment was accommodated in the water supply unit accommodating part. FIG. 2 schematically shows an example of a method of manufacturing a washing machine according to the present embodiment (part 2). FIG. 13 schematically shows an example of a method of manufacturing a washing machine according to the present embodiment (part 3). A perspective view schematically showing a configuration example of a back cover according to the present embodiment The figure which shows roughly the structural example which connects a back surface type water supply unit with respect to the back surface cover which concerns on this embodiment. Cross-sectional view schematically showing a configuration example of a water supply port peripheral portion of an upper surface cover and a rear surface cover according to the present embodiment A diagram schematically showing a plurality of modified examples of the configuration of the back cover according to the present embodiment A diagram schematically showing a plurality of modified examples of the configuration for connecting the rear surface type water supply unit and the rear surface cover according to the present embodiment A diagram schematically showing a plurality of modified examples of the configuration of the convex portion according to the present embodiment

  Hereinafter, an embodiment according to a washing machine will be described with reference to the drawings. The washing machine 10 illustrated in FIG. 1 is a so-called vertical axis type washing machine in which the rotation axis of the rotation tank is in the vertical direction, and the top cover 12 constitutes the upper portion of the washing machine main body 11 constituting the outer shell thereof. There is. Although not shown in detail, the inside of the washing machine main body 11 is a bottomed cylindrical water tank having an open upper surface, a bottomed cylindrical rotation tank rotatably provided in the water tank, and A pulsator rotatably provided at the bottom, a rotating tank and a motor for rotating the pulsator, a water supply mechanism for supplying water into the water tank, a drainage mechanism for discharging water in the water tank to the outside of the machine, etc. are provided. There is.

  The top cover 12 is provided with a laundry entrance (not shown) for taking in and out the laundry at a substantially central portion thereof. Further, the top cover 12 is provided with a lid (not shown) that opens and closes the laundry entrance. In addition, the top cover 12 is provided with a water supply unit storage unit 20 in a part thereof, in this case, at least a portion on the rear side of the laundry entrance. The water supply unit accommodating portion 20 is a long space extending in the left-right direction of the washing machine main body 11 on the rear side of the top cover 12. An upper surface cover 21, which is a separate component from the top cover 12, is detachably attached to an upper portion of the water supply unit housing portion 20. In addition, a rear cover 22 which is a separate component from the top cover 12 and the top cover 21 is detachably attached to the rear of the water supply unit housing 20.

  The washing machine 10 which concerns on this embodiment assumes the structure which has the water supply port of a water supply unit not on the upper surface of the washing machine main body 11, but on the back. Therefore, in the present embodiment, the back surface type water supply unit 30 is accommodated in the water supply unit accommodation unit 20. The back surface type water supply unit 30 is configured to have a water supply port 31 on the back surface.

  The upper surface cover 21 is attached to an upper portion of the water supply unit storage unit 20 in a state where the back surface type water supply unit 30 is stored in the water supply unit storage unit 20, and the surface other than the rear surface Cover the The top surface cover 21 is an example of a non-back surface cover that covers the surfaces other than the back surface of the back surface type water supply unit. On the other hand, the back cover 22 is attached to the rear of the water supply unit storage unit 20 in a state where the back type water supply unit 30 is stored in the water supply unit storage unit 20, and the back surface of the back type water supply unit 30. Cover the side where the exists. As described above, the upper surface cover 21 is connected and fixed to the water supply unit storage unit 20. The back cover 22 is connected and fixed to the water supply unit storage unit 20. In addition, the top cover 21 and the back cover 22 are mutually connected and fixed. That is, the washing machine 10 according to the present embodiment is configured to have the upper surface cover 21 and the back surface cover 22 as separate parts from the top cover 12 including the water supply unit housing 20, and these upper surface cover 21 and the back surface cover 22. As a separate part, it is configured to be assembled to the water supply unit storage unit 20.

  As illustrated in FIG. 2, a semicircular notch 21 a is provided at the lower end of the rear surface of the upper surface cover 21. On the other hand, at the upper end of the rear cover 22, a semicircular cutout 22a is provided. When the upper surface cover 21 is attached to the upper portion of the water supply unit housing 20 and the rear surface cover 22 is attached to the rear, the notch 21a of the upper surface cover 21 and the notch 22a of the rear surface cover 22 are mutually different. The holes 40 facing each other and opening in a circular shape are formed. The water supply port 31 of the back surface type water supply unit 30 accommodated in the water supply unit accommodation portion 20 is inserted into the hole 40 and protrudes rearward from the back surface of the washing machine main body 11.

  In addition, the washing machine 10 which concerns on this embodiment is equipped with two or more holes 40 in this case. Therefore, even if the back surface type water supply unit 30 includes a plurality of, for example, two water supply ports 31 for hot water and cold water, these two water supply ports 31 can be inserted through the holes 40 respectively. . Moreover, when the back surface type water supply unit 30 is configured to include one water supply port 31, one of the two holes 40 is made to insert the water supply port 31, and the other hole 40 is attached with the lid 41 and closed. It can be configured to

  As illustrated in FIG. 3, the top cover 12 described above is configured so that the upper surface type water supply unit 130 can also be attached to the water supply unit storage unit 20. The upper surface type water supply unit 130 is configured to have a water supply port 131 on the upper surface thereof. That is, the washing machine 10 can be configured to have the water supply port of the water supply unit not on the back surface of the washing machine main body 11 but on the top surface. When the upper surface type water supply unit 130 is attached to the top cover 12, the upper cover 121 is used instead of the upper surface cover 21 described above. The upper cover 121 is attached to an upper portion of the water supply unit storage unit 20 in a state where the upper surface type water supply unit 130 is stored in the water supply unit storage unit 20, and the upper surface of the upper surface type water supply unit 130, that is, the water supply port 131 Cover the existing surface. The upper cover 121 is provided with a hole 140 through which the water supply port 131 of the upper surface type water supply unit 130 is inserted. The upper cover 121 basically has the same configuration as the above-described upper cover 21 except that the hole 140 is provided. In addition, when the upper surface type water supply unit 130 is accommodated in the water supply unit accommodating portion 20, the surface on which the water supply port 131 of the upper surface type water supply unit 130 is present is covered by the upper cover 121, so the back cover 22 is unnecessary.

  That is, the top cover 12 can be attached to the back surface type water supply unit 30, and is configured as a common part to which the top surface type water supply unit 130 can also be attached. The upper surface cover 21 and the rear surface cover 22 are dedicated components used when the rear surface type water supply unit 30 is attached to the top cover 12. In addition, the upper cover 121 is a dedicated part used when the upper surface type water supply unit 130 is attached to the top cover 12.

  Next, an example of a manufacturing method in the case of attaching the back surface type water supply unit 30 to the top cover 12 will be described.

(First manufacturing method)
According to the manufacturing method illustrated in FIG. 4, first, in step A1, the back cover 22 is connected to the back surface of the back surface type water supply unit 30, that is, the surface on which the water supply port 31 exists, and the back surface type water supply unit 30 is back surface cover Fix at 22 That is, the back cover 22 and the back type water supply unit 30 are connected to form the water supply unit assembly 50. Then, at step A2, the water supply unit assembly 50 is accommodated in the water supply unit accommodating portion 20. Then, in step A3, the upper surface cover 21 is attached to the upper portion of the water supply unit storage unit 20, and the upper surface of the back surface type water supply unit 30 stored in the water supply unit storage unit 20 is covered. Thereby, the washing machine 10 illustrated in FIG. 1, that is, the washing machine 10 in which the back surface type water supply unit 30 is accommodated in the water supply unit accommodation unit 20 is manufactured.

  As illustrated in FIG. 5, according to the water supply unit assembly 50 in which the back surface type water supply unit 30 is fixed to the back surface cover 22, when the water supply unit assembly 50 is accommodated in the water supply unit housing 20, the back surface cover 22 is fixed. It can function as a stand of the back surface type water supply unit 30. Therefore, as compared with the case where the back surface type water supply unit 30 is accommodated alone in the water supply unit accommodating portion 20, the back surface type water supply unit 30 can be stably disposed in a horizontal state.

  In the present embodiment, the back surface type water supply unit 30 has a rectangular parallelepiped shape in which the height dimension, width dimension, and depth dimension of the main body portion are different from each other, and the water supply unit housing portion 20 in the state where the height dimension is shortest. Housed inside. Thereby, the dimension of the height direction of the water supply unit accommodating part 20 which accommodates the back surface type water supply unit 30 can be restrained in particular, and the dimension of the height direction of the washing machine 10 whole can be restrained by extension. The height direction of the back surface type water supply unit 30 corresponds to the vertical direction of the washing machine body 11, the width direction corresponds to the horizontal direction of the washing machine body 11, and the depth direction corresponds to the longitudinal direction of the washing machine body 11. .

(Second manufacturing method)
According to the manufacturing method illustrated in FIG. 6, first, in step B1, the back cover 22 is attached to the back side of the water supply unit storage unit 20. Then, the back surface type water supply unit 30 is accommodated in the water supply unit accommodation unit 20 in step B2. Then, in step B3, the upper surface cover 21 is attached to the upper portion of the water supply unit storage unit 20, and the upper surface of the back surface type water supply unit 30 stored in the water supply unit storage unit 20 is covered. Thereby, the washing machine 10 illustrated in FIG. 1, that is, the washing machine 10 in which the back surface type water supply unit 30 is accommodated in the water supply unit accommodation unit 20 is manufactured.

(Third manufacturing method)
According to the manufacturing method illustrated in FIG. 7, first, in step C1, the back cover 22 is attached to the back surface of the back surface type water supply unit 30, that is, the surface on which the water supply port 31 exists, That is, the top cover 21 is attached to the surface where the water supply port 31 does not exist. That is, the top cover 21 and the back cover 22 are connected to the back type water supply unit 30 to form the water supply unit assembly 60. When the water supply unit assembly 60 is formed, the upper surface cover 21 may be attached to the back surface type water supply unit 30 before the back surface cover 22, or the back surface water supply unit may be mounted before the upper surface cover 21. 30 may be attached. Then, at step C2, the water supply unit assembly 60 is accommodated in the water supply unit accommodating portion 20. Thereby, the washing machine 10 illustrated in FIG. 1, that is, the washing machine 10 in which the back surface type water supply unit 30 is accommodated in the water supply unit accommodation unit 20 is manufactured.

  Next, a configuration example of the back cover 22 will be described. As illustrated in FIG. 8, the back cover 22 is provided with a back cover main body 23 and a plurality of, in this case, two arms 24. The back cover main body portion 23 has a long rectangular plate shape extending in the left-right direction of the washing machine main body 11. The arms 24 extend linearly from the left and right ends of the back cover main body 23 respectively. The back surface type water supply unit 30 is connected to the back surface cover 22 in a state of being sandwiched between the two arms 24.

  Here, as illustrated in FIG. 9, protrusions 32 are provided on the left and right side surfaces of the back surface type water supply unit 30. On the other hand, the arm 24 is provided with a hole 25 penetrating the arm 24. The back surface type water supply unit 30 is connected and fixed to the back surface cover 22 by fitting the projection 32 into the hole 25 of the arm 24. At this time, it is not necessary to fix the back surface type water supply unit 30 to the back surface cover 22 with, for example, a screw. As described above, the arm portion 24 fixes the rear surface type water supply unit 30 to the rear surface cover 22 by sandwiching the rear surface type water supply unit 30 and inserting the projection 32 into the hole 25. That is, the arm portion 24 functions as a fixing portion to which the back surface type water supply unit 30 is fixed in the back surface cover 22.

  Next, the structure of the top cover 21 and the back cover 22 will be described. As illustrated in FIG. 10, the upper surface cover 21 is provided with a multiple wall portion 61 constituted by a large number of, in this case, two wall portions 61a on the back surface. In addition, the back cover 22 is provided with a multiple wall portion 62 constituted by a large number, in this case, two wall portions 62 a, in the back cover main body portion 23. The water supply port 31 of the back surface type water supply unit 30 is fixed in a state of being sandwiched between the multiple wall portion 61 of the upper surface cover 21 and the multiple wall portion 62 of the rear surface cover 22.

  At this time, the convex portion 70 provided on the peripheral surface of the water supply port 31 of the back surface type water supply unit 30 is between the wall portions 61 a constituting the multiple wall portion 61 and the wall portion 62 a constituting the multiple wall portion 62. It is in the state of being sandwiched between In the present embodiment, the projection 70 abuts on the inner wall 61a of the multiple wall 61 and the inner wall 62a of the multiple wall 62, and the outer wall 61a of the multiple wall 61 and the multiple wall It is in a state of being separated from the outer wall 62 a of the portion 62. According to this configuration, even if water W intrudes from the periphery of the water supply port 31 of the back surface type water supply unit 30, the water W can be between the wall portion 61a of the multiple wall portion 61 and the wall portion of the multiple wall portion 62 It can be held between 62a. Therefore, the water W entering from the periphery of the water supply port 31 of the back surface type water supply unit 30 is prevented from reaching the inner side of the multiple wall portions 61, 62, that is, the main portion of the back surface type water supply unit 30. Can.

  In the present embodiment, the multiple wall portion 61 is provided on the entire back surface of the upper surface cover 21. The multiple wall portion 62 is provided on the entire back cover main body 23 of the back cover 22. However, the multiple wall portions 61 and 62 may be provided in a region sufficient to prevent the infiltration of water at least around the water supply port 31 of the back surface type water supply unit 30, for example, It is good also as composition provided only in the peripheral part of hole 40 by which water supply mouth 31 is inserted.

  According to the washing machine 10 according to the present embodiment, when the back type water supply unit 30 having the water supply port 31 on the back side is accommodated in the water supply unit accommodation unit 20, the back type water supply unit 30 accommodated in the water supply unit accommodation unit 20 The rear cover 22 covers the rear surface of the housing, that is, the surface having the water supply port 31. According to this configuration, the back surface type water supply unit 30 having the water supply port 31 on the back surface is attached to the water supply unit accommodating portion 20 of the top cover 12 designed on the assumption of the upper surface type water supply unit 130 having the water supply port 131 on the upper surface. Even if it is a case, the back surface of the back surface type water supply unit 30 in which the water supply port 31 exists can be covered, without exposing outside.

  Further, according to the present embodiment, the back cover 22 is configured to be connected to the back type water supply unit 30. According to this configuration, the back cover 22 can be made to function as a stand of the back type water supply unit 30, and the back type water supply unit 30 can be stably mounted in the water supply unit housing 20 in a horizontal state. Further, when manufacturing the washing machine 10, the back cover 22 and the back surface type water supply unit 30 can be handled as a water supply unit assembly 50 in which these are integrated. Can be easily installed.

  Further, according to the present embodiment, the back cover 22 includes the arm 24 to which the back type water supply unit 30 is fixed. According to this configuration, the back surface cover 22 can be firmly connected to the back surface type water supply unit 30, and the back surface type water supply unit 30 can be accommodated in the water supply unit accommodating portion 20 in a more stable state.

  Further, according to the present embodiment, the back cover 22 includes the multiple wall portion 62 configured by the multiple wall portions 62 a. According to this configuration, it is possible to prevent water entering from the outside from reaching the back surface type water supply unit 30, and the waterproofness of the back surface type water supply unit 30 can be improved.

  Further, according to the present embodiment, the back cover 22 is provided with the multiple wall portion 62 on the entire back cover main body portion 23 which constitutes the main body portion. According to this configuration, it is possible to prevent the entry of water from the outside over a wide range. The entry of water from the outside is most likely to occur around the water supply port 31 of the back surface type water supply unit 30 in which a gap is easily formed. Therefore, by providing the multiple wall portion 62 at least around the water supply port 31 of the back surface type water supply unit 30, sufficient waterproof performance can be exhibited.

  Moreover, according to this embodiment, the convex part 70 provided in the surrounding surface of the water supply port 31 of the back surface type water supply unit 30 is pinched | interposed by the some wall part 62a which comprises the multiple wall part 62. As shown in FIG. According to this configuration, entry of water can be prevented also by the convex portion 70, and the waterproofness of the back surface type water supply unit 30 can be further improved.

  Moreover, according to this embodiment, the back surface type water supply unit 30 is accommodated in the water supply unit accommodating part 20 in the state which the height dimension becomes the shortest. According to this configuration, it is possible to suppress the size of the water supply unit storage portion 20 for storing the back surface type water supply unit 30, and consequently, the height direction of the entire washing machine 10, and the entire size can be reduced.

  Further, according to the present embodiment, the plurality of holes 40 through which the water supply port 31 of the back surface type water supply unit 30 can be inserted is provided, and the lid 41 is detachably attached to the holes 40. According to this configuration, even if the back surface type water supply unit 30 includes the plurality of water supply ports 31, the back surface type water supply unit 30 can be accommodated in the water supply unit accommodating portion 20 without difficulty. When the back surface type water supply unit 30 is configured to have the water supply ports 31 smaller than the number of the holes 40, the hole 41 where the water supply port 31 is not inserted can be closed by the lid 41. Therefore, it is possible to prevent the waterproof performance from being damaged while the hole 40 is opened, and closing the hole 40 with the lid 41 impairs the appearance of the washing machine 10, in particular, the appearance of the back surface. Can be avoided.

  The present embodiment is not limited to the above-described embodiment, and may be modified or expanded as follows, for example. For example, the configuration of the back cover 22 can be modified as appropriate. That is, as illustrated in the pattern A of FIG. 11, the back cover 22 may be configured to have arm portions 124 linearly extending at both upper and lower end portions of the back cover main body portion 23 as an example of a fixing portion. In addition, the arm part 124 illustrated to this pattern A has comprised flat plate shape flat in the horizontal direction compared with the arm part 24 mentioned above. As described above, the shape, size, and the like of the arm portion can be appropriately changed and implemented.

  Further, as exemplified in the pattern B of FIG. 11, the back cover 22 may be configured to include plate-like portions 224 extending in a plate shape at both upper and lower end portions of the back cover main body portion 23 as an example of a fixing portion. In addition, as illustrated in pattern C in FIG. 11, the back cover 22 may be configured to have dimensions of the plate-like portions 324a and 324b extending in a plate shape, in this case, different dimensions in the left-right direction. In addition, as exemplified in the pattern D of FIG. 11, the back cover 22 may be configured to include two or more, for example, four arms 424. The configuration example of the pattern D is a configuration example in which a plurality of, in this case, two arm portions 424 are provided at both left and right end portions of the back cover main body portion 23.

  Further, as exemplified in the pattern E of FIG. 11, the back cover 22 may be configured to have arm portions 522 at both left and right end portions and the upper and lower end portions of the back cover main body portion 23. Further, as exemplified in the pattern F of FIG. 11, the back cover 22 may be configured to include the guide rail 622 as an example of the fixing portion. Also in the configuration example including the guide rails 622 as an example of the fixing portion, the number of guide rails 622 is not limited to two, and can be appropriately changed and implemented, for example, four. In addition, the some structural example illustrated in FIG. 11 is an example to the last, and the structure of the back cover 22 can be changed suitably, and can be implemented.

  Moreover, it is also possible to change about the structure for connecting the back surface type water supply unit 30 and the back surface cover 22. FIG. That is, as exemplified in the pattern A of FIG. 12, the back surface type water supply unit 30 may be provided with the plurality of protrusions 32 and the arm 24 may be provided with the plurality of holes 25. Thereby, fixation of the back surface type water supply unit 30 by the arm part 24 can be made stronger. In addition, as illustrated in pattern B of FIG. 12, the projections 32 and the holes 33 are provided in the back surface type water supply unit 30, and the holes 25 and the projections 26 are provided in the arm 24. The protrusion 32 may be inserted into the hole 25 of the arm 24, and the protrusion 26 of the arm 24 may be inserted into the hole 33 of the back surface type water supply unit 30. Also according to this configuration, the fixation of the back surface type water supply unit 30 by the arms 24 can be made more rigid.

  Also. As illustrated in the pattern C of FIG. 12, the projection 34 is provided on the back surface type water supply unit 30 and the slide rail 27 is provided on the arm 24, and the projection 34 of the back surface type water supply unit 30 of the arm 24 The slide rail 27 may be configured to slide. Also according to this configuration, the fixation of the back surface type water supply unit 30 by the arms 24 can be made more rigid. In addition, the some structural example illustrated in FIG. 12 is an example to the last, and the structure for connecting the back surface type water supply unit 30 to the back surface cover 22 can be changed suitably, and can be implemented.

  In addition, the convex portion 70 provided on the peripheral surface of the water supply port 31 of the back surface type water supply unit 30 may be provided at least at a part of the peripheral surface of the water supply port 31. can do. That is, as exemplified in the pattern A of FIG. 13, the water supply port 31 of the back surface type water supply unit 30 may be configured to include an annular convex portion 70A provided on the entire periphery thereof. Further, as exemplified in the pattern B of FIG. 13, the water supply port 31 of the back surface type water supply unit 30 may be configured to include plate-like convex portions 70B provided above and below the circumferential surface thereof.

  Further, as exemplified in the pattern C of FIG. 13, the water supply port 31 of the back surface type water supply unit 30 has a convex portion 70C having a shape in which a part of the convex portion 70B described above, in this case, a central portion is cut out. It is good also as composition provided. Further, as exemplified in the pattern D of FIG. 13, the water supply port 31 of the back surface type water supply unit 30 may be configured to include a convex portion 70D which protrudes from above and below the circumferential surface thereof. In addition, the some structural example illustrated in FIG. 13 is an example to the last, and the number of the convex parts 70, a magnitude | size, a shape, a position, etc. can be changed suitably and can be implemented.

  Further, the number of the holes 40 through which the water supply port 31 of the back surface type water supply unit 30 is inserted is not limited to two, for example, according to the number of water supply ports 31 of the back surface type water supply unit 30 assumed. It can change suitably and can implement. The multiple structures 61 and 62 are not limited to the double structure including the two wall portions 61a and 62a, and may be, for example, a multiple structure including three or more wall portions. In addition, the non-back cover may be a cover that covers the back of the back-type water supply unit 30, that is, the surface other than the surface having the water supply port 31. Therefore, only the top cover 21 covering the top of the back-type water supply unit 30 Alternatively, for example, it may be a side cover that covers the side, a front cover that covers the front, a lower cover that covers the lower, and the like. In addition, the present embodiment can be applied to a so-called drum-type washing machine of a horizontal axis type in which the rotation axis of the rotation tank is inclined downward or rearward.

  According to the washing machine according to the present embodiment, the back cover covering the back surface of the back surface type water supply unit accommodated in the water supply unit accommodation portion, that is, the surface having the water supply port is provided as a separate component from other covers. According to this configuration, even if the water supply unit having the water supply port on the back is attached to the top cover designed on the assumption of the water supply unit having the water supply port on the upper surface, the water supply unit having the water supply port exists. It can cover the back.

  Note that the present embodiment is presented as an example, and is not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and modifications can be made without departing from the scope of the invention. The present embodiment and the modifications thereof are included in the scope and the gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.

  In the drawings, 10 is a washing machine, 11 is a washing machine main body, 12 is a top cover, 20 is a water supply unit storage unit, 21 is a top cover (non-back cover), 22 is a back cover, 30 is a back type water supply unit, 31 is A water supply port, 40 is a hole, 41 is a lid, 61, 62 multiple wall parts, 70 is a convex part, 130 is an upper surface type water supply unit, 131 a water supply port.

Claims (9)

In a washing machine configured to be attachable to an upper surface type water supply unit having a water supply port on the upper surface, to a top cover constituting an upper portion of the washing machine main body,
A water supply unit storage unit provided in the top cover;
A back type water supply unit which is accommodated in the water supply unit accommodation part and which has a water supply port on the back side;
A non-back cover covering a surface other than the back surface of the back type water supply unit housed in the water supply unit housing portion;
A back cover that covers a back surface of the back surface type water supply unit housed in the water supply unit housing portion;
Equipped with
The water supply unit accommodating portion and the non-back cover can be connected,
The water supply unit accommodating portion and the back cover can be connected,
The washing machine, wherein the non-back cover and the back cover can be connected.   The washing machine according to claim 1, wherein the back cover is connected to the back type water supply unit.   The washing machine according to claim 1 or 2, wherein the back cover comprises a multiple wall section constituted by a plurality of wall sections.   The washing machine according to claim 3, wherein the back cover comprises the multiple wall portion at least around a water supply port of the back surface type water supply unit.   The washing machine according to any one of claims 1 to 4, wherein the non-back cover comprises a multi-wall portion constituted by a plurality of wall portions.   The washing machine according to claim 5, wherein the non-back cover comprises the multiple wall portion at least around a water supply port of the back surface type water supply unit. A convex portion is provided on the peripheral surface of the water supply port of the rear surface type water supply unit,
The washing machine according to any one of claims 3 to 6, wherein the convex portion is sandwiched by the wall portion constituting the multiple wall portion.   The washing machine according to any one of claims 1 to 7, wherein the back surface type water supply unit is accommodated in the water supply unit accommodating portion in a state where the height dimension is shortest. A plurality of holes through which the water supply port of the back surface type water supply unit can be inserted;
A lid removably attached to the hole;
The washing machine according to any one of claims 1 to 8, comprising:

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