JP6552957B2 - Toilet bowl cleaning device - Google Patents

Description

  The present invention relates to a toilet bowl cleaning apparatus.

  Conventionally, a cleaning tank having a hand-washing water discharge unit, a main flow channel unit for supplying cleaning water to the cleaning tank, and a replenishment water branch flow channel unit that branches from the main flow channel unit and discharges the cleaning water as make-up water outside the cleaning tank. There is known a toilet bowl cleaning apparatus having a hand-washing side flow passage portion branched from a main flow passage portion and supplying wash water to a hand wash and spouting portion (see, for example, Patent Document 1).

  On the other hand, some toilet bowl cleaning devices include a cleaning tank that does not have a hand-washing water discharger. In the case of a washing tank having a hand washing and spouting portion, the washing water must be supplied to the hand washing and spouting portion disposed at the upper portion of the washing tank, so the water flow load of the washing water is high. It is necessary to increase the flow area by increasing the water flow area in the water flow path. Therefore, in the toilet bowl cleaning device described in Patent Document 1, it corresponds to the case of the washing tank having the hand washing and discharging part and the case of the washing tank not having the hand washing and discharging part. It is comprised so that the water flow area of the flow path of the wash water in a toilet bowl washing | cleaning apparatus can be switched.

International Publication No. 2012/043405

  However, in the toilet bowl cleaning device described in Patent Document 1, the water flow hole for switching the water flow area of the flow path of the wash water is configured integrally with the member forming the flow path of the wash water, In addition, switching of the water flow area of the flow path includes two cases corresponding to two cases, a case of a washing tank having a hand-washing water discharge unit and a case of a washing tank having no hand-washing water discharge unit, respectively. It was difficult only to switch the water flow area, and to make it versatile for other various products.

  An object of this invention is to provide the toilet bowl washing | cleaning apparatus which has high versatility so that it can respond to other various goods.

  In order to achieve the above object, the present invention provides a cleaning tank (for example, a cleaning tank 4 described later) having a hand-washing water discharge section (for example, a hand-washing water discharge section 18b described later), and a main flow path section for supplying cleaning water to the cleaning tank (For example, a main flow path portion 511 described later), a makeup water branch flow path portion (for example, a makeup water branch flow path portion 512 described below) that branches from the main flow path portion and discharges washing water as makeup water A hand-washing-side channel portion (for example, a hand-washing-side channel portion 513 described later) that branches from the main channel portion and supplies cleaning water to the hand-washing water discharge portion, the makeup water branch channel portion from the main channel portion, and the A flow path branching member (for example, a flow path branching member 55 described later) that branches the hand-washing flow path part, and the flow path branching member includes a base side branching part (for example, described later) having the main flow path part. Base side branch portion 56) and the main flow path portion A first downstream branch (for example, a first downstream side described later) having a first opening (for example, a first opening 573a described later) that is detachably connected to the base side branch unit. A second branch part 57) and a second opening part (for example, a second opening part 582a described later) communicating with the main flow path part, and detachably connected to the first downstream branch part. A downstream branch section (for example, a second downstream branch section 58 described later), and the second downstream branch section can be attached to and detached from the base branch section without going through the first downstream branch section. Toilet bowl cleaning device is provided.

  Further, the first opening and the second opening communicate with each other via an opening communication channel (for example, an opening communication channel 574 described later), and the opening communication channel is connected to the opening. It is preferable to have a flow rate adjusting unit for adjusting the flow rate of the washing water flowing through the communication channel.

  Moreover, it is preferable that the said flow volume adjustment part is detachable with respect to the said opening part communication flow path. Moreover, it is preferable that the said base side branch part, the said 1st downstream side branch part, and the said 2nd downstream side branch part are arrange | positioned along with an up-down direction.

  The first opening may constitute the makeup water branch flow path, the second opening may constitute the hand-washing flow path, and the first opening may comprise cleaning water. It is preferable to be located upstream of the said 2nd opening part in the flow of this.

  Moreover, it is preferable that the said 1st downstream branch part and the said 2nd downstream branch part are arrange | positioned above the tank cover part (for example, below-mentioned tank cover part 42) which covers the said washing tank.

  An object of this invention is to provide the toilet bowl washing | cleaning apparatus which has high versatility so that it can respond to other various goods.

It is a perspective view showing toilet bowl cleaning device 1 concerning one embodiment of the present invention. The toilet bowl washing | cleaning apparatus 1 which concerns on this embodiment WHEREIN: It is a perspective view which shows the state which removed the tank cover 20. FIG. It is the figure seen from the upper side in the state which removed the upper cover part 21 from the lower cover part 22. FIG. It is sectional drawing which shows the flow-path branch member 55 of the toilet bowl washing | cleaning apparatus 1 which concerns on this embodiment. It is a disassembled perspective view which shows the flow-path branch member 55 of the toilet bowl washing | cleaning apparatus 1 which concerns on this embodiment. It is an expansion perspective view showing channel branch member 55 of toilet bowl washing device 1 concerning this embodiment. It is an enlarged perspective view which shows a mode that the 1st downstream branch part 57 is removed and used from the flow-path branch member 55 of the toilet bowl washing | cleaning apparatus 1 which concerns on this embodiment.

  Hereinafter, an embodiment of the toilet bowl cleaning device 1 of the present invention will be described with reference to the drawings. In the following description, the front-rear direction when viewed from a person sitting on a toilet seat (not shown) of the toilet bowl cleaning device 1 is a front-rear direction. Moreover, let the direction of the right and left when it sees from the person who sat on the toilet seat (not shown) of the toilet bowl washing | cleaning apparatus 1 be the left-right direction. Also, the vertical direction along the vertical direction is defined as the vertical direction.

  The toilet bowl cleaning apparatus 1 of this embodiment constitutes a toilet bowl apparatus, and the toilet bowl apparatus includes a toilet bowl cleaning apparatus 1, a toilet bowl 2, a base plate 3, a cleaning tank 4, as shown in FIGS. A water supply unit 5, a refill and discharge mechanism 6, a cleaning drive unit 7, a tank cover 20, and a hand wash unit 18 are provided.

  The toilet bowl 2 includes a toilet body 2a, and a toilet seat (not shown) and a toilet lid 2b which are rotatably attached to the upper portion of the toilet body 2a with respect to the toilet body 2a.

  The base plate 3 is attached to the rear upper surface of the toilet body 2a. The washing tank 4 is disposed above the base plate 3. A replenishment water discharge mechanism 6 is attached to the base plate 3.

  The makeup water discharge mechanism 6 is connected to a makeup water branch channel section 512 of a feed water channel section 51 (described later), and discharges water flowing through the makeup water branch channel section 512 to the base plate 3 as makeup water. The makeup water discharge mechanism 6 includes a makeup water discharge section 61 and a water amount adjustment operation dial 62.

  The makeup water spouting section 61 discharges makeup water to the center side of the base plate 3. The water amount adjustment operation dial 62 is capable of adjusting the flow of water flowing through the makeup water branch passage portion 512 of the water supply passage portion 51 (described later). The water amount adjustment operation dial 62 is disposed so as to protrude below the base plate 3.

  A guide wall 31 is formed on the base plate 3. The guide wall 31 is formed to rise upward from the upper surface of the base plate 3. The guide wall 31 guides the flow of makeup water discharged from the makeup water discharge unit 61. Details of the guide wall 31 will be described later.

  As shown in FIG. 1, the tank cover 20 is placed on the cleaning tank 4 so as to cover the cleaning tank 4. The tank cover 20 has an upper cover portion 21 and a lower cover portion 22. The upper cover part 21 and the lower cover part 22 are formed of, for example, a resin material.

The upper cover portion 21 constitutes the upper portion of the tank cover 20 and is formed so as to close the upper portion of the toilet bowl cleaning device 1. The upper cover portion 21 includes the hand washing bowl portion 18 a of the hand washing portion 18. The upper cover portion 21 is configured to be attachable to and detachable from the lower cover portion 22.
The lower cover portion 22 constitutes a lower portion of the tank cover 20. The lower cover portion 22 is formed in a cylindrical shape so as to surround the periphery of the cleaning tank 4. The lower cover portion 22 is formed to be narrower at the upper side as shown in FIG. 1, and the upper opening 22a is formed at the upper side as shown in FIG.

  The hand-washing part 18 is arrange | positioned above the washing tank 4, as shown in FIG. The hand-washing part 18 is provided with the hand-washing bowl part 18a and the hand-washing water discharging part 18b.

  The hand-washing bowl portion 18 a is configured by a part of the upper cover portion 21 (described later) of the tank cover 20. The hand-washing bowl part 18a receives the hand-washing water discharged from the hand-washing water discharge part 18b. A drain port (not shown) is formed at the bottom of the hand-washing bowl portion 18a.

  The hand-washing water discharge part 18b is arrange | positioned so that it may project forward from the front of the back side of the hand-washing bowl part 18a. The tip of the hand-washing and spouting portion 18b opens downward.

A part of the washing water supplied to the washing tank 4 is supplied to the hand-washing water discharger 18b through the hand-washing side channel part 513 (described later). Thus, when the wash water is stored in the wash tank 4 by the operation of the water supply unit 5, part of the stored wash water is discharged from the hand wash and discharge unit 18b.
Moreover, the waste_water | drain discharged | emitted from the hand-washing part 18 is discharged | emitted by the washing tank 4 through the hand-washing side drain pipe (not shown).

  The washing tank 4 is disposed above and behind the toilet bowl 2 above the base plate 3 and stores washing water for washing the toilet bowl body 2a. The washing tank 4 is installed in the toilet bowl washing apparatus 1. As shown in FIG. 2 and the like, the cleaning tank 4 includes a tank body 41 and a tank lid 42.

  The tank body 41 stores cleaning water. The tank body 41 is formed long in the left-right direction of the toilet bowl cleaning device 1 as shown in FIG. The tank body 41 is formed with an open top, and includes a bottom (not shown) and a peripheral wall 412 which is formed to rise from the periphery of the bottom (not shown) and surround the periphery. The peripheral wall 412 constitutes the outer wall of the tank body 41 of the cleaning tank 4.

  A drain port (not shown) that is opened and closed by a float valve (not shown) is formed at the bottom (not shown) of the tank body 41. By raising the float valve and opening the drainage port, the flush water stored inside the tank body 41 flows out from the drainage port and is supplied to the toilet body 2a, and the toilet body 2a is cleaned. The float valve is connected to the cleaning drive unit 7 via a ball chain (not shown). For example, when the operation button is operated, the cleaning drive unit 7 is driven and the float valve is opened and closed.

  The cleaning drive unit 7 is driven when the toilet 2 is cleaned. The cleaning drive unit 7 includes a motor 7a (electronic component) having a motor rotating shaft member 7b. The motor 7a is housed in a motor housing portion 414 (electronic component housing portion).

  As shown in FIG. 2 and the like, the tank body 41 has a tank recess 413 which is recessed forward from the rear end of the tank body 41. The tank recess 413 is formed in the rear part of the tank body 41 so as to be recessed from the outside of the tank body 41 to the inside, and communicates over the entire area of the cleaning tank 4 in the vertical direction, and an opening 410 is provided below. . That is, the tank recess 413 is formed so as to penetrate the cleaning tank 4 in the vertical direction outside the outer wall of the cleaning tank 4.

  The tank recess 413 is formed at a position shifted from the center in the left-right direction of the toilet bowl cleaning device 1 in the cleaning tank 4 to one side (left side in FIG. 2). The tank recess 413 is formed of a first wall 413 a, a second wall 413 b, and a third wall 413 c. The first wall 413 a, the second wall 413 b, and the third wall 413 c constitute a part of the peripheral wall 412.

  The first wall portion 413a is formed on the other side (the right side in FIG. 2) of the cleaning tank 4 in the tank recess 413 and extends in the front-rear direction and the vertical direction of the cleaning tank 4. The first wall portion 413a is a surface that faces one side of the cleaning tank 4 in the left-right direction (left side in FIG. 2).

  The second wall portion 413b is formed on one side of the tank recess 413 in the left-right direction of the cleaning tank 4 (left side in FIG. 2), and extends in the front-rear direction and the vertical direction of the cleaning tank 4. The second wall portion 413b faces the first wall portion 413a substantially parallel to the first wall portion 413a on one side (left side in FIG. 2) in the left-right direction of the cleaning tank 4 relative to the first wall portion 413a. Be placed. The second wall portion 413b is a surface facing the other side of the cleaning tank 4 in the left-right direction (the right side in FIG. 2).

  The third wall portion 413c is formed on the front side of the cleaning tank 4 in the tank recess 413, and is formed by connecting the front side edges of the first wall portion 413a and the second wall portion 413b in the left-right direction. The third wall portion 413c is a surface facing the rear side (front side in FIG. 2) in the front-rear direction of the cleaning tank 4, and extends in the horizontal direction and the vertical direction of the cleaning tank 4.

  The first wall portion 413 a and the second wall portion 413 b are arranged to face each other and constitute a pair of opposed wall portions on the outer wall of the cleaning tank 4. The first wall portion 413a and the second wall portion 413b are formed to be slightly inclined so as to be gradually separated from the upper side to the lower side.

  As shown in FIG. 2, the base plate 3 is disposed below the opening 410 formed below the motor housing portion 414 (the tank recess 413 of the washing tank 4). As described above, the guide wall 31 is formed on the base plate 3.

  As shown in FIG. 2, the guide wall 31 is disposed below the tank recess 413 of the cleaning tank 4 at a position shifted from the center in the left-right direction of the base plate 3 to one side (left side in FIG. 2). The guide wall 31 is formed so as to rise upward from the upper surface of the base plate 3. The guide wall 31 is curved so that the surface on the side of the replenishing water spouting portion 61 is concave so as to guide the replenishing water discharged from the replenishing water spouting portion 61 of the replenishing water spouting mechanism 6. From the side toward the front side, it extends in an arc shape from the vicinity of the side of the discharge port of the refill water discharge part 61 to the side away from the refill water discharge part 61.

  The replenishing water spouting unit 61 discharges the replenishing water toward the first wall portion 413a (outer wall) constituting the motor housing portion 414. In the present embodiment, the makeup water discharged from the makeup water discharge section 61 is discharged toward the guide wall 31 disposed on the first wall section 413a (outer wall) side constituting the motor housing section 414, and the guide Guided along the wall 31.

  As shown in FIG. 2, the water supply unit 5 is provided in the cleaning tank 4. The water supply unit 5 includes a water supply flow passage 51. A water supply pipe 501 connected to an external water supply source (not shown) is connected to the water supply unit 5.

The water supply flow passage 51 includes a main flow passage 511, a makeup water branch flow passage 512, and a hand wash flow passage 513.
The main flow path part 511 passes through the inside of the cleaning tank 4. The main flow path unit 511 supplies the cleaning water supplied from the water supply unit 5 to the cleaning tank 4. At the downstream end of the main flow channel portion 511, a water spray plate 565 which constitutes a flush water discharge portion is provided. The watering plate 565 discharges cleaning water into the cleaning tank 4.

  The makeup water branch flow path portion 512 branches from the main flow path portion 511 and passes outside the cleaning tank 4. The makeup water branch flow channel section 512 discharges the cleaning water supplied from the water supply section 5 to the base plate 3 outside the cleaning tank 4 as makeup water to be supplied to the toilet body 2a. As described above, the makeup water branch flow path section 512 is provided with a makeup water discharge section 61 (a water discharge section) that discharges makeup water to the base plate 3 as described above.

  The hand-washing-side channel portion 513 branches from the main channel portion 511, more specifically, branches from the makeup water branch channel portion 512 branched from the main channel portion 511, and extends toward the hand-washing portion 18. The hand-washing side flow path part 513 is connected to the hand-washing water discharge part 18b at the downstream end.

  The makeup water branch channel portion 512 and the hand washing side channel portion 513 are branched by the channel branch member 55 from the main channel portion. The flow path branching member 55 includes a base-side branching part 56, a first downstream-side branching part 57, and a second downstream-side branching part 58, which are in this order in the vertical direction along the vertical direction. They are arranged side by side upward.

The base-side branch portion 56 has a cylindrical branch portion 561, a tank-side opening 562, and a branch-side opening cylindrical portion 563.
The cylindrical branched portion 561 has a cylindrical shape extending substantially horizontally, and has an opening at one end in the axial direction, and the other end in the axial direction is closed. The opening at one end of the cylindrical branched portion 561 has a connection portion 561 a that connects a pipe member that circulates the washing water.

  As shown in FIG. 4, a branching plate 561 b is provided in the other end of the cylindrical branching portion 561 to divide the internal space of the cylindrical branching portion 561 in the vertical direction. The inner circumferential surface of the cylindrical branch portion 561 is closer to the inner space of the cylindrical branch portion 561 connected to and in communication with the inner space of the branch side opening cylindrical portion 563 as described later. A part of the inner diameter changes at a position near one end. Specifically, in the portion from the position near one end of the cylindrical branch 561 to the other end of the cylindrical branch 561, the width of the space inside the cylindrical branch 561 in the horizontal direction is Although it is the same as one end of the cylindrical branched portion 561, the space inside the cylindrical branched portion 561 is configured to be narrow in the vertical direction. The branch plate 561b is configured such that the space inside the cylindrical branch portion 561 is narrowed from the wall portion closing the other end portion of the cylindrical branch portion 561 toward one end portion of the cylindrical branch portion 561. It extends over the entire area.

  The tank side opening 562 has a hollow and substantially disk shape. The tank side opening 562 is connected to the lower part of the side surface (circumferential surface) near the other end of the cylindrical branch 561 at the upper end surface. In addition, a through-hole penetrating the upper end surface of the tank-side opening 562 in the vertical direction is formed at the center of the upper end surface of the tank-side opening 562, and the cylindrical portion 562a extends downward from the through-hole. There is. The space surrounded by the inner peripheral surface of the cylindrical portion 562a and the portion of the internal space of the cylindrical branch portion 561 that is partitioned by the branch plate 561b and located below the branch plate 561b communicate with each other. This communicating space constitutes the main flow path portion 511, and as indicated by arrow A in FIG.

  A water spray plate 565 is fixed to the lower end of the tank side opening 562. The water spray plate 565 has a hollow substantially disk shape having the same outer diameter as the tank side opening 562, and has a partition wall 565a that partitions the inner space of the water spray plate 565 up and down. The partition 565a is formed with a large number of through holes 565b which extend radially from the central portion of the partition 565a and penetrate in the vertical direction. The through-hole 565b is not formed in the central portion of the partition wall 565a but is closed. Therefore, the washing water flowing through the cylindrical portion at the center of the upper end surface of the tank side opening 562 is sprayed downward in a shower-like manner from the numerous through holes 565b after colliding with the closed portion. It is configured. Further, the water spray plate 565 has a hook portion 565c extending upward at the upper end portion. The water spray plate 565 is fixed to the tank side opening 562 by the hook portion 565c engaging with the hole 562b formed on the side surface of the tank side opening 562.

  The branch side opening cylinder portion 563 has a substantially cylindrical shape. The lower end portion of the branch-side opening cylindrical portion 563 is integrally molded and connected to the upper portion of the side surface (peripheral surface) near the other end portion of the cylindrical branched portion 561. The internal space of the branch-side opening cylindrical portion 563 and the portion of the internal space of the cylindrical branch portion 561 which is partitioned by the branch plate 561 b and located above the branch plate 561 b communicate with each other. The upper end portion of the branch-side opening cylindrical portion 563 opens upward. A clip insertion groove 563a into which a tip end portion 576a of a clip 576 described later can be inserted is formed on the entire outer peripheral surface of the upper portion of the branch side opening cylindrical portion 563. A part of the branch side opening cylinder part 563 above the clip insertion groove 563a and below the upper end of the branch side opening cylinder part 563 is formed so as to make a round around the branch side opening cylinder part 563. An O-ring 568 fitted in the groove is provided. The O-ring 568 seals between the outer peripheral surface of the branch side opening cylindrical portion 563 and the inner peripheral surface of the first main portion 571 of the first downstream side branch portion 57.

  The first downstream branch portion 57 includes a first main portion 571 having a substantially cylindrical shape. The branch side opening cylindrical portion 563 is inserted into the opening at the lower end portion of the first main body portion 571, and the internal space of the first main body portion 571 communicates with the internal space of the branch side opening cylindrical portion 563. The lower end portion of the first main body portion 571 is provided with a clip insertion portion 572 into which a clip 576 having a bifurcated tip portion 576a can be inserted from the horizontal direction. The clip 576 inserted into the clip insertion part 572 is a clip on the peripheral surface of the branch side opening cylinder part 563 in which the tip part 576a of the bifurcated clip 576 is inserted into the opening part of the lower end part of the first main body part 571. It is inserted into the insertion groove 563a. As a result, the first downstream branch portion 57 is connected to the branch-side opening cylindrical portion 563 of the base-side branch portion 56. Since the first downstream branching portion 57 is connected to the base side branching portion 56 in a state where the clip 576 is inserted into the clip insertion groove 563 a, the first downstream branching portion 57 is branched from the base side branching portion 56. The axial center of the side opening cylinder portion 563 and the axial center of the first main body portion 571 of the first downstream branching portion 57 are rotatable with respect to the base side branching portion 56 in a positional relationship. By removing the clip 576, the first downstream branch portion 57 is removed from the branch-side opening cylinder portion 563. That is, the first downstream branch 57 is detachably connected to the base branch 56.

  A lower portion of the first main body portion 571 and an upper portion of the clip insertion portion 572 has a first opening cylindrical portion 573. The first opening cylinder portion 573 has a substantially cylindrical shape that protrudes in the horizontal direction from the side surface (circumferential surface) of the first main body portion 571, and the protruding end has a first opening portion 573a that opens in the horizontal direction. Have. The internal space of the first opening cylinder portion 573 communicates with the internal space of the first main body portion 571. Therefore, the first opening 573 a communicates with the main flow passage 511. That is, the communicating space constitutes the makeup water branch flow channel portion 512, and the washing water flows as shown by the arrow B in FIG. One end portion of the first opening cylinder portion 573 has a connection portion 573c that constitutes the makeup water branch flow path portion 512 and is connected to a pipe member through which the cleaning water flows, and makes it difficult to remove the pipe member. A plurality of grooves are formed. The end portion of the makeup water branch flow channel portion 512 is connected to the connection portion 573c. The side surface of the upper portion of the first body portion 571 and above the first opening cylindrical portion 573 is formed with a clip insertion groove 571c into which a tip portion 586a of a clip 586 described later can be inserted.

  As shown in FIG. 4, an intermediate portion between the lower and upper portions of the first main body portion 571 has an intermediate diameter portion whose inner diameter decreases in two steps from the lower portion to the upper portion. That is, the inner diameter of the lower portion of the first main body 571 is large, the inner diameter of the intermediate portion of the first main body 571 is medium, and the inner diameter of the upper portion of the first main body 571 is small. In the middle diameter portion, a constant flow rate valve 575 which constitutes a flow rate adjustment portion is provided. The constant flow valve 575 is constituted by a water governor, and an O-ring provided in the water governor is deformed by the pressure of the wash water flowing through the inner diameter portion of the first main body 571, and the wash water flow area. Is changed so that the flow rate of the washing water flowing through the middle diameter portion of the first main body portion 571 is maintained at a predetermined amount. The constant flow valve 575 is detachable from the opening communication channel 574, and the water governor is removed from the first main body 571 of the first downstream branching portion 57 as necessary. Ru.

  The portion of the first main body portion 571 above the clip insertion groove 571a and below the upper end of the first main body portion 571 is fitted in a groove formed so as to make a round around the first main body portion 571. An O-ring 578 is provided. The O-ring 578 seals between the outer peripheral surface of the first main body portion 571 and the inner peripheral surface of the second main body portion 581 of the second downstream branching portion 58.

  The second downstream branch portion 58 includes a second main portion 581 having a substantially cylindrical shape and a second opening cylindrical portion 582. The upper portion of the first main body portion 571 of the first downstream branch portion 57 is inserted into the opening at the lower end portion of the second main body portion 581. The lower end portion of the second main body portion 581 is provided with a clip insertion portion 583 in which a clip 586 whose tip end is bifurcated can be inserted from the horizontal direction. The clip 586 inserted into the clip insertion portion 583 has a front end portion 586a of the bifurcated clip 586 at the upper peripheral surface of the first main body portion 571 inserted into the opening at the lower end portion of the second main body portion 581. It is inserted into the clip insertion groove 571c. Thus, the second downstream branch 58 is connected to the upper portion of the first main body 571. Since the second downstream branch portion 58 is connected to the first downstream branch portion 57 with the clip 586 inserted into the clip insertion groove 571c, the second downstream branch portion 58 is connected to the first downstream branch portion 57. Rotating with respect to the first downstream branching portion 57 in a positional relationship in which the axial center of the first main body portion 571 of the portion 57 and the axial center of the second main body portion 581 of the second downstream branching portion 58 coincide. It is. By removing the clip 586, the second downstream branch 58 is removed from the first downstream branch 57. That is, the second downstream branching portion 58 is detachably connected to the first downstream branching portion 57.

  As described above, although the upper portion of the first main body portion 571 of the first downstream branch portion 57 is inserted into the opening at the lower end portion of the second main body portion 581, the upper portion of the first main body portion 571 The branch side opening cylinder portion 563 of the base side branch portion 56 has the same outer shape. Also, the clip 567 and the clip 586 have the same shape. For this reason, the branch side opening cylinder part 563 of the base side branch part 56 is inserted into the opening part of the lower end part of the second main body part 581 so that the base side branch part 56 does not go through the first downstream side branch part 57. The second main body portion 581 of the second downstream branch portion 58 can be connected to the branch side opening cylindrical portion 563 of the second downstream side branch portion 563.

  The second opening cylindrical portion 582 has a cylindrical shape extending substantially horizontally, and has a second opening 582a opened at one end in the axial direction, and the other end in the axial direction is closed. . One end of the second opening cylinder part 582 has a connection part 582c that constitutes the hand-washing-side flow path part 513 and is connected to a pipe member through which the washing water flows, and a plurality of pipes for making it difficult to remove the pipe member. Grooves are formed. The end of the hand-washing side flow passage 513 is connected to the connection portion 582c. A flange 582 d is provided at the base of the connection portion 582 c. The second main body portion 581 is connected to a lower portion of a portion near the other end portion of the second opening cylindrical portion 582 on the upper end surface.

  An internal space of a portion near the other end of the second opening cylindrical portion 582 connected to the upper end surface of the second main body portion 581 has an opening portion opening toward the internal space of the second main body portion 581 There is. This opening is connected to the opening at the upper end of the first main body 571. Thus, the second opening 582a and the first opening 573a communicate with each other through the internal space of the first main body 571 and the internal space of the second opening cylindrical portion 582. An internal space of the first main body portion 571 and an internal space of the second opening cylindrical portion 582 constitute an opening communication passage 574. Therefore, the opening communication passage 574 has a constant flow valve 575. Further, the second opening 582 a circulates in the main flow path portion 511 via the opening communication path 574 and the internal space of the branch side opening cylinder portion 563 of the base side branch portion 56. That is, the communicating space constitutes the hand-washing side flow passage 513, and the washing water flows as shown by the arrow C in FIG. Therefore, the first opening cylindrical portion 573 is located upstream of the second opening 582a in the flow of the washing water.

  As shown in FIG. 2, the tank lid portion 42 is disposed on the upper surface of the tank body 41 and covers the upper surface of the tank body 41. The tank lid 42 has a first lid 43 and a second lid 44. The first lid portion 43 and the second lid portion 44 are formed by dividing the tank lid portion 42 into a plurality of portions. The first lid portion 43 and the second lid portion 44 are formed in a plate shape and cover the upper surface of the tank body 41. However, the first downstream branch portion 57 and the second downstream branch portion 58 of the flow path branch member 55 are disposed above the tank lid portion 42.

  The first lid 43 and the second lid 44 are arranged such that the first lid 43 and the second lid 44 are aligned in the left-right direction of the toilet bowl cleaning device 1. The combined size of the first lid portion 43 and the second lid portion 44 is such that when the upper cover portion 21 is removed from the lower cover portion 22, as shown in FIG. It is formed to be approximately the same size or slightly larger than the upper opening 22a formed in the portion.

  The first lid 43 is disposed on the upper surface of the tank main body 41 on one side (left side in FIG. 3) of the toilet bowl cleaning device 1 in the left-right direction. The motor 7 a of the cleaning drive unit 7 is attached to the first lid 43. Further, an operation cord (not shown) for connecting an operation lever (not shown) and the motor rotation shaft member 7b is provided.

  The second lid portion 44 is disposed on the upper surface of the tank body 41 on one side (right side in FIG. 3) of the toilet bowl cleaning device 1 in the left-right direction. The second lid 44 is a lid different from the first lid 43 among the plurality of divided lids.

  Although the toilet bowl cleaning device 1 of the present embodiment configured as described above has the cleaning tank 4 having the hand-washing water discharger 18b, the toilet bowl cleaning device having the cleaning tank that does not have the hand-washing waterer It is possible to use the flow path branching member 55. Hereinafter, the case where the flow path branch member 55 is used in the toilet bowl washing apparatus provided with the washing tank which does not have the hand washing water discharging part will be described with reference to FIGS.

  First, in the flow path branch member 55, the clip 576 inserted in the clip insertion part 572 of the first downstream branch part 57 is removed, and the first downstream branch part 57 is removed from the base side branch part 56. Further, the clip 586 inserted into the clip insertion portion 583 of the second downstream branch portion 58 is removed, and the second downstream branch portion 58 is removed from the first downstream branch portion 57. Next, the upper part of the branch side opening cylinder part 563 (see FIG. 5 and the like) of the base side branch part 56 is inserted into the opening part at the lower end part of the second main body part 581 of the second downstream side branch part 58. Next, the clip 586 is inserted into the clip insertion portion 583 of the second downstream branch 58 to connect the second downstream branch 58 to the base branch 56.

  Thereby, the internal space of the second opening cylinder part 582 and the internal space of the branch side opening cylinder part 563 are connected and communicated, and as a result, the second opening part 582a communicates with the main flow path part 511. And the end part of the pipe member which comprises the supplementary water branch flow path part 512 is connected to the 2nd opening cylinder part 582 of the 2nd downstream branch part 58 instead of the hand-washing side flow path part 513. Therefore, in the toilet bowl cleaning apparatus including a cleaning tank that does not have a hand-washing water discharger, the first downstream branching portion 57 is unnecessary and is not used. In this case, there is no cleaning water flowing into the cleaning tank via the hand-washing side channel portion 513. Compared with the tank side opening part 562 in the structure which has the hand-washing water discharge part 18b like this embodiment in order to make this amount of washing water flow out from a tank side opening part, a tank side opening part is large. Configured

According to the toilet bowl cleaning device 1 of the present embodiment described above, the following effects can be obtained.
The toilet bowl cleaning device 1 according to the present embodiment includes a cleaning tank 4 having a hand-washing water discharger 18b, a main channel 511 for supplying cleaning water to the cleaning tank 4, a branch from the main channel 511, and using the cleaning water as makeup water. The replenishing water branch flow path portion 512 to be discharged, the hand washing side flow passage portion 513 that branches from the main flow passage portion 511 and supplies the wash water to the hand washing water discharge portion 18b, and the replenishment water branch flow passage portion 512 from the main flow passage portion 511 A flow path branching member 55 that branches the hand-washing flow path portion 513.
The flow path branching member 55 has a base side branch portion 56 having a main flow path portion 511, and a first opening 573a communicating with the main flow path portion 511, and is detachably connected to the base side branch portion 56. A second downstream branching portion 58 having a first downstream branching portion 57 and a second opening 582a communicating with the main flow path portion 511 and detachably connected to the first downstream branching portion 57; Equipped with
The second downstream branch 58 can be detachably connected to the base branch 56 without the first downstream branch 57.

  Therefore, when the washing tank 4 of the toilet bowl cleaning device 1 has the hand-washing water discharger 18b, the second downstream branching portion 58 is connected to the base branching portion 56 via the first downstream branching portion 57. Used. In addition, when the cleaning tank of the toilet bowl cleaning device does not have a hand washing water discharge unit, the second downstream branching unit 58 is directly connected to the base side branching unit 56 without the first downstream branching unit 57. In this state, the flow path branching member 55 can be used. Moreover, the case where the washing tank 4 of the toilet bowl cleaning device 1 has the hand washing water discharging part 18b without changing the position where the main flow path part 511 and the makeup water branch flow path part 512 are arranged, It can correspond, respectively, when not having. Therefore, it is possible to provide a toilet cleaning device 1 having high versatility so as to be compatible with various other products.

  In the present embodiment, the first opening 573a and the second opening 582a communicate with each other via the opening communication channel 574. The opening communication passage 574 has a constant flow rate valve 575 that constitutes a flow rate adjustment unit for adjusting the flow rate of the washing water flowing through the opening communication passage 574. Therefore, it is possible to easily adjust the cleaning water flowing through the first opening 573a and the second opening 582a to appropriate flow rates. As a result, some products use, for example, a relatively large amount of makeup water, but such products can be easily coped with. Further, for example, when there is a request from the user who uses the toilet bowl cleaning device 1 to increase the amount of washing water discharged from the hand-washing water discharger 18b, the constant flow valve 575 can be removed, It can be easily coped with by replacing the constant flow valve 575 with a constant flow valve having a high flow rate. In addition, even when the flow rate of the cleaning water flowing to the first opening 573a is increased, a certain amount of the cleaning water does not affect the flow rate of the cleaning water flowing to the second opening 582a. It can be made to circulate to opening 582a.

  Further, in the present embodiment, the constant flow rate valve 575 configuring the flow rate adjustment unit is attachable to and detachable from the opening communication passage 574. Therefore, the constant flow valve 575 can be removed when the flow rate of the cleaning water in the opening communication channel 574 does not need to be a predetermined amount or does not need to be limited. Therefore, the flow rate of the cleaning water in the opening communication channel 574 can be adjusted and set to an arbitrary amount.

  Moreover, in this embodiment, the base side branch part 56, the 1st downstream branch part 57, and the 2nd downstream branch part 58 are arrange | positioned along with the up-down direction. Therefore, the dimension L (refer FIG. 4) of the flow-path branch member 55 in a horizontal direction can be restrained small, for example, the dimension in the horizontal direction of the branch part of the conventional toilet bowl washing | cleaning apparatus described in patent document 1 In comparison, the dimension can be approximately half.

  Further, in the present embodiment, the first opening 573a can constitute the make-up water branch channel portion 512, the second opening 582a can constitute the hand-washing side channel portion 513, and the first opening The part 573a is located upstream of the second opening 582a in the flow of cleaning water. Therefore, for example, even if the amount of makeup water flowing to the first opening 573a via the makeup water branch flow path portion 512 is temporarily 2 to 3 times the normal amount, It can be set as the structure which keeps the quantity of the washing water which distribute | circulates to the opening part 582a constant.

  Further, in the present embodiment, the flow path branch member 55 is a portion disposed above the tank lid portion 42 covering the cleaning tank 4, the first downstream branch portion 57 and the second downstream side branch portion 58. Have. For this reason, in the flow path branching member 55, the first downstream branching portion 57 and the second downstream branching portion 58 can be easily attached and detached.

As mentioned above, although the preferable embodiment of the toilet bowl washing | cleaning apparatus 1 of this invention was described, this invention is not restrict | limited to embodiment mentioned above, It can change suitably.
For example, in the present embodiment, the flow rate adjusting unit includes the water governor as the constant flow rate valve 575, but is not limited to this configuration. For example, the flow rate adjusting unit may be configured by an orifice or a tubular member in which a hole is formed.

  Further, in the present embodiment, the base-side branching portion 56, the first downstream-side branching portion 57, and the second downstream-side branching portion 58 are arranged side by side in this order along the vertical direction. However, it is not limited to this configuration. For example, the base-side branching portion 56, the first downstream-side branching portion 57, and the second downstream-side branching portion 58 may be arranged along the vertical direction in this order, and inside the cleaning tank 4 , May be arranged side by side along the horizontal direction.

1 Toilet bowl washing device 4 Washing tank (toilet bowl washing tank)
18b Hand wash water discharge part 42 Tank lid part 55 Flow path branch member 56 Base side branch part 57 First downstream side branch part 58 Second downstream side branch part 511 Main flow path part 512 Supply water branch flow path part 513 Hand wash side flow path part 573a First opening 574 Opening communication channel 575 Constant flow valve (flow rate adjusting unit)
582a second opening

Claims (6)

A wash tank having a hand wash and spout unit,
A main flow path section for supplying cleaning water to the cleaning tank, a supply water branch flow path section that branches from the main flow path section and discharges the wash water as makeup water, a branch from the main flow path section, and A hand-washing-side flow channel section that supplies water to the hand-washing water discharge section;
A flow path branching member for branching the makeup water branch flow path portion and the hand wash side flow path portion from the main flow path portion;
The flow path branch member has a base side branch portion having the main flow path portion, and a first opening communicating with the main flow path portion, and is detachably connected to the base side branch portion. A downstream branch portion; and a second downstream branch portion having a second opening communicating with the main flow path portion and detachably connected to the first downstream branch portion;
The second downstream side branch portion is detachably connectable to the base side branch portion without interposing the first downstream side branch portion. The first opening and the second opening communicate with each other through an opening communication channel,
The toilet bowl cleaning apparatus according to claim 1, wherein the opening communication passage has a flow rate adjustment unit for adjusting a flow rate of washing water flowing through the opening communication passage.   The toilet flushing apparatus according to claim 2, wherein the flow rate adjusting unit is detachable from the opening communication channel.   The said base side branch part, a said 1st downstream branch part, and a said 2nd downstream branch part are arrange | positioned along with the up-down direction, The any one of Claims 1-3. Toilet bowl cleaning device. The first opening can constitute the makeup water branch flow channel, and the second opening can constitute the hand wash flow channel.
The toilet bowl cleaning apparatus according to any one of claims 1 to 4, wherein the first opening is located upstream of the second opening in the flow of washing water.   The toilet cleaning device according to any one of claims 1 to 5, wherein the first downstream branch portion and the second downstream branch portion are disposed above a tank lid portion that covers the cleaning tank.

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