JP6552902B2 - Toilet bowl cleaning device - Google Patents

Description

  The present invention relates to a toilet bowl cleaning apparatus.

  2. Description of the Related Art Conventionally, a toilet cleaning device for cleaning a toilet has a cleaning water tank and a tank cover that covers the cleaning water tank. A flush water tank is attached to the upper rear surface of the toilet body. The tank cover is provided to cover the flush water tank from above the flush water tank. The upper part of the tank cover is equipped with a hand washing unit.

  An opening is formed on the back surface of the tank cover, and a back cover body that covers the opening is provided. The back cover is removed from the opening, and the water discharger is connected to the water supply pipe. (See, for example, Patent Document 1).

  Moreover, the water discharging part is provided in the hand washing part. In addition, a hollow back guard is provided on the back side of the tank cover, and the inside thereof is used as a piping space for a water supply system from the flush water tank. A connection pipe communicating with the water supply system is fixed in the back guard, and the water discharge part is connected to this. The water discharger is fixed to the tank cover via a connection pipe (see, for example, Patent Document 2).

Japanese Patent No. 5625508 Japanese Utility Model Application Publication No. 5-3381

  In the conventional toilet cleaning device described in Patent Document 1, the water supply pipe connected to the water discharge unit is disposed inside the tank cover. In such a structure, the operation of connecting the water discharge unit to the water supply pipe is performed. In order to do this, an opening needs to be formed on the back of the tank cover. However, when a tank cover is installed in the toilet bowl, the distance from the opening to the back wall is short, and workability is poor. Moreover, in the structure which closes an opening part with a back cover body, since a seam arises in the back surface of a tank cover, design property is also low. For this reason, when a tank cover without an opening is used, the washing water tank is covered with the tank cover and fixed to the washing water tank. Access to the internal components of the tank cover is not possible. For this reason, after fixing a tank cover with respect to a washing water tank, a water discharge part cannot be fixed to a tank cover inside a tank cover, and cannot be connected to a water supply pipe.

  Moreover, in the conventional toilet bowl washing | cleaning apparatus of patent document 2, since the connection pipe for fixing a water discharging part to a tank cover forms a part of water conveyance part which lets water pass, a connection pipe and another member The sealability in the connection part with should be considered.

  The present invention has been made in view of the above, and an object of the present invention is to provide a tank cover even when it has a shape that makes it impossible to access members inside the tank cover from the outside of the tank cover. To provide a toilet bowl cleaning device capable of fixing a water discharge portion from the outside of a tank cover to a tank cover by a fixing member having no function of water conveyance after covering the wash water tank from above the base plate so as to cover it. is there.

  In order to achieve the above object, the present invention comprises a toilet body (for example, the toilet body 11 described later), a base plate (for example, the base plate 20 described later) attached to the rear upper surface of the toilet body, and washing water attached to the base plate A tank (for example, a washing water tank 30 described later) and a hand washing part (for example, a hand washing part 40 described later), and a tank cover (for example, a tank cover 50 described later) covering the washing water tank, A toilet bowl cleaning apparatus (for example, a toilet bowl cleaning apparatus 100 described below) including a water discharger (for example, a handwashing water discharge pipe 42 described later) attached to the handwashing unit from the outside, and the tank cover has an upper portion and a lower portion In the mounting hole formed in the tank cover (for example, a water discharge pipe mounting hole 41a described later) The tank cover includes a fixing member (for example, a water discharge pipe fixing portion 43 described later) that is fixed from the outside of the tank cover and fixes the water discharge portion to the tank cover. A through hole penetrating from the outside of the tank cover is formed, and the water conveyance part of the water discharge part, in a state of penetrating through the through hole, and a water pipe inside the tank cover (for example, a hand washing water supply pipe 33 described later) Provided is a toilet cleaning device to be connected.

  The fixing member has a hook portion (for example, a rear end hook portion 4313 to be described later) that is formed around the through hole and engageable with the peripheral portion of the mounting hole, and the water discharge penetrating the through hole. It is preferable that the water guide part of the part can contact the hook part so that the hook part engaged with the peripheral part of the attachment hole is prevented from coming off from the peripheral part of the attachment hole.

  It is preferable to have a water discharger fixing engaging member (for example, a water discharge pipe clip 44 described later) for fixing the water discharger to the fixing member by engaging with the water discharger and the fixing member.

  It is preferable that the water discharger fixing engagement member engages with the water discharger and the fixing member outside the tank cover.

  According to the present invention, the tank cover is covered from above the base plate so as to cover the washing water tank even when the tank cover has a shape that makes it impossible to access the members inside the tank cover from the outside of the tank cover. After that, the toilet cleaning device can be provided that allows the water discharger to be fixed to the tank cover from the outside of the tank cover by the fixing member that does not have the function of guiding water.

It is a perspective view of toilet bowl washing device 100 concerning one embodiment of the present invention. It is a disassembled perspective view of the toilet bowl washing | cleaning apparatus 100 which concerns on one Embodiment of this invention. It is a perspective view which shows the baseplate 20 of the toilet bowl cleaning apparatus 100 which concerns on the said embodiment. It is a rear view which shows the tank cover 50 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a lower perspective view which shows the inside of the tank cover 50 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a perspective view which shows the water pipe support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a side view which shows the connection member 38 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a perspective view which shows a mode that the connection member 38 is supported by the water pipe support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a perspective view which shows a mode that the water pipe support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment is being fixed to the tank main body 31 of the wash water tank 30. FIG. It is a back perspective view which shows the clamping part 341 of the conduit pipe support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a front perspective view which shows the clamping part 341 of the water conduit support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a front view which shows the positional relationship of the hand-washing water discharge pipe 42 and the water conduit support member 34 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a front view which shows the water discharge pipe clip 44 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a downward perspective view which shows the water discharge pipe fixing | fixed part 43 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a side perspective view which shows the water discharge pipe fixing | fixed part 43 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is an expanded sectional view showing signs that the water discharge pipe fixing part 43 of toilet bowl washing device 100 concerning the above-mentioned embodiment is connected to tank cover 50. It is an expanded sectional view which shows a mode that the water discharge pipe | tube conveyance part 421 of the hand-washing water discharge pipe 42 was inserted in the water discharge pipe fixing | fixed part 43 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment. It is a principal part expanded sectional view which shows a mode that the water discharge pipe | tube conveyance part 421 of the hand-washing water discharge pipe 42 was inserted in the water discharge pipe fixing | fixed part 43 of the toilet bowl washing | cleaning apparatus 100 which concerns on the said embodiment.

  Hereinafter, a preferred embodiment of the toilet bowl cleaning device 100 of the present invention will be described with reference to the drawings. First, the whole structure of the toilet bowl cleaning apparatus 100 which concerns on one Embodiment of this invention is demonstrated, referring FIG.1 and FIG.2. FIG. 1 is a perspective view of a toilet bowl cleaning device 100 according to an embodiment of the present invention. FIG. 2 is an exploded perspective view of the toilet bowl cleaning device 100 according to an embodiment of the present invention.

  As shown in FIGS. 1 and 2, the toilet bowl cleaning device 100 of the present embodiment operates the toilet bowl 10, the base plate 20, the flush water tank 30, the hand wash unit 40, the tank cover 50, the water supply unit 60, and And a flow operation mechanism 70 having a dial portion 71.

  The toilet bowl 10 includes a toilet body 11, and a toilet seat 12 and a toilet lid 13 which are attached to the upper portion of the toilet body 11 so as to be able to open and close with respect to the toilet body 11.

The base plate 20 is attached to the upper rear surface of the toilet body 11. Above the base plate 20, a flush water tank 30 is disposed.
As shown in FIG. 2, an operation dial portion 71 of a flow operation mechanism 70 described later is attached to the base plate 20. The operation dial unit 71 can perform an operation of adjusting the flow of water flowing through a water supply channel (not shown) that supplies cleaning water to the cleaning water tank 30 from a water supply unit 60 described later. Even when the supply of water to the washing water tank 30 is stopped, a small amount of water can be circulated through the water supply flow path portion by operating the operation dial portion 71. Thereby, for example, in a region where there is a possibility that the water supply unit 60 may freeze in winter, such as a cold district, a small amount of water can be continuously circulated in the water supply flow passage to prevent the water supply unit 60 from freezing. The toilet bowl cleaning device 100 may not have the flow operation mechanism 70.

  The washing water tank 30 is disposed behind and above the toilet bowl 10 above the base plate 20 and is attached to the base plate 20 to store washing water for washing the toilet bowl body 11. As shown in FIG. 2, the cleaning water tank 30 includes a tank main body 31 having an upper surface opened, and a lid portion 32 that is disposed on the upper surface of the tank main body 31 and covers the upper surface of the tank main body 31.

As shown in FIG. 2, a water supply unit 60 is disposed inside the washing water tank 30 described above. Cleaning water is supplied to the cleaning water tank 30 via the water supply unit 60.
Further, a drain port (not shown) opened and closed by a float valve (not shown) is formed in the lower part of the tank body 31. Then, by lifting the float valve and opening the drain port, the wash water stored in the tank body 31 flows out from the drain port and is supplied to the toilet 10, and the toilet body 11 is washed.

  The hand washing unit 40 is disposed above the washing water tank 30. The hand washing unit 40 includes a hand washing bowl 41, a hand washing and discharging pipe 42, a water discharging pipe fixing section 43, and a water discharging pipe clip 44.

  The hand-washing bowl part 41 is comprised by a part of upper cover part 51 (after-mentioned) in the tank cover 50. As shown in FIG. The hand-washing bowl unit 41 receives hand-washing water discharged from the hand-washing water discharge pipe 42. A drainage port (not shown) is formed at the bottom of the hand wash bowl 41.

The hand wash and discharge pipe 42 is disposed to project forward from the front on the back side of the hand wash bowl portion 41. The tip of the hand wash and discharge tube 42 opens downward.
The hand washing and discharging pipe 42 is fixed by the water discharging pipe clip 44 in a state where the base end portion is attached to the water discharging pipe fixing portion 43 fixed to the water discharging pipe mounting hole 41 a formed in the front on the back side of the hand washing bowl portion 41 Be done.

In the hand washing unit 40 described above, a part of the washing water supplied to the washing water tank 30 is supplied to the hand washing water discharge pipe 42 through the hand washing side water supply pipe 33. Thus, when the cleaning water is stored in the cleaning water tank 30 by the operation of the water supply unit 60, a part of the stored cleaning water is discharged from the hand-washing water discharge pipe 42.
Further, the drainage drained from the hand washing unit 40 is drained to the flush water tank 30 via the hand washing side drain pipe (not shown).

  The tank cover 50 includes an upper cover part 51 and a lower cover part 52. The tank cover 50 is formed by integrally forming a top cover portion 51 and a lower cover portion 52 that are not divided into an upper portion and a lower portion, and are integrally formed of, for example, a resin material. . Therefore, the tank cover 50 is not composed of a plurality of separable members, such as separation of the lower cover portion 52 from the upper cover portion 51, for example.

The upper cover part 51 includes the hand washing bowl part 41 of the hand washing part 40. The upper cover portion 51 is disposed on the upper portion of the tank cover 50 and is formed so as to close the upper portion of the tank cover 50.
The lower cover portion 52 is formed in a rectangular cylinder shape. The lower cover part 52 is formed so as to surround the periphery of the cleaning water tank 30.

When covering the cleaning water tank 30 with the tank cover 50, as shown in FIG. 2, the cleaning water tank 30 is arranged on the upper part of the base plate 20, and the operation dial unit 71 is attached to the base plate 20.
In this state, the tank cover 50 is placed on the washing water tank 30 so as to cover the washing water tank 30, and the lower end portion of the tank cover 50 is attached to the base plate 20.
And while attaching the water discharge pipe fixing | fixed part 43 to the water discharge pipe attachment hole 41a of the hand-washing bowl part 41, the hand-washing water discharge pipe 42 is attached to the water discharge pipe fixing | fixed part 43. FIG. Thereafter, the hand-washing water discharge pipe 42 is fixed to the water discharge pipe fixing portion 43 using the water discharge pipe clip 44. Further, the cleaning operation lever handle 81 is attached to the cleaning operation portion 82 from the outside of the tank cover 50 on one side of the tank cover 50.
Thus, as shown in FIG. 1, the tank cover 50 is put on the flush water tank 30 so as to cover the flush water tank 30.

  Next, each part will be described in detail. In the following description, the direction from the washing water tank 30 toward the toilet bowl 10 (the lower right direction in FIG. 1) is defined as the front direction, the opposite direction is defined as the rear direction, and these are defined as the front and rear directions. Further, the direction from the lower cover portion 52 to the upper cover portion 51 (upward direction in FIG. 1) is defined as the upward direction, the opposite direction is defined as the downward direction, and these are defined as the vertical direction. In addition, the direction from the side of the tank cover 50 where the cleaning operation lever handle 81 is not attached to the side where the cleaning operation lever handle 81 is attached (leftward direction in FIG. 1) is the left direction. The direction is the right direction, and these are defined as the left and right direction.

  As shown in FIG. 3, the base plate 20 has a bottom plate portion 21, a peripheral wall 22 and a guide portion 23. FIG. 3 is a perspective view showing the base plate 20 of the toilet bowl cleaning apparatus 100 according to the present embodiment. The bottom plate portion 21 has a substantially rectangular plate shape, and a circular through hole 211 is formed at the center. Further, a plurality of convex portions 212 for fixing the washing water tank 30 to the base plate 20 are formed on the upper surface of the bottom plate portion 21. The peripheral wall 22 extends upward from the periphery of the base plate 20 and is present so as to surround the entire periphery of the base plate 20. In addition, ribs 221 are provided so as to straddle the peripheral wall 22 and the bottom plate portion 21. The rib 221 is formed integrally with the peripheral wall 22 and the bottom plate portion 21, and has a substantially triangular plate shape when viewed from the direction along the periphery of the bottom plate portion 21. At four corners of the bottom plate portion 21, predetermined positioning convex portions 213 are provided which protrude outward beyond the peripheral wall 22 in the direction along the upper surface of the bottom plate portion 21. The predetermined positioning convex portion 213 has a shape along the curved shape of the four corners of the bottom plate portion 21 and protrudes slightly outward.

  The guide portion 23 has two corners of the front end of a pair of short sides extending in the front-rear direction of the substantially rectangular bottom plate 21 and a middle portion (a central portion) of a pair of short sides extending in the front-rear direction. A total of four are provided. The guide portion 23 has a U-shape in a plan view, and the U-shaped opening portion is a substantially rectangular bottom plate in the guide portions 23 positioned at two corners on the front side of the bottom plate 21. It is a direction that forms an angle of 45 ° with the long side and the short side of the portion 21, and opens outward of the bottom plate portion 21. Further, in the guide portion 23 located at the center of the short side extending in the front-rear direction, the U-shaped opening portion is opened in the direction orthogonal to the short side.

  More specifically, the guide portion 23 includes a pair of lateral wall portions 231 having the same shape and a substantially trapezoidal shape, and a rear wall portion 232 having a rectangular shape. The side edges on the side are integrally formed and connected to the back side wall portion 232. The pair of lateral side wall portions 231 and the back side wall portion 232 extend upward from the bottom plate portion 21 and protrude upward beyond the peripheral wall 22. Therefore, the guide part 23 protrudes upward from the peripheral wall 22 rising upward from the base plate 20.

  In the guide portion 23, the upper end of the back side wall portion 232 is at the highest position, and the outer side of the bottom plate portion 21 is parallel to the upper surface of the bottom plate portion 21 along the upper end of the lateral side wall portion 231 from the upper end of the back side wall portion 232 An inclined surface 235 that gradually extends downward is formed by the upper end of the back side wall portion 232 and the upper end of the lateral side wall portion 231. The inclined surface 235 is curved in an arc and connected to the side edge of the lateral side wall portion 231. The side edge of the lateral side wall portion 231 is constituted by an inclined surface 236 extending sharply downward as it goes outward of the bottom plate portion 21 in parallel with the upper surface of the bottom plate portion 21. The lower end of the inclined surface 236 formed by the side end of the lateral side wall portion 231 is integrally formed with and connected to the peripheral wall 22. These inclined surfaces 235 and 236 constitute a guide surface portion. The guide portion 23 is a predetermined position with respect to the base plate 20, that is, a position where the tank cover 50 is finally fixed to the base plate 20 (a position where the lower end edge of the tank cover 50 abuts against the predetermined positioning projection 213 The tank cover 50 is guided so as to approach the “fixed position”)).

  Screw holes 222 formed of through holes are formed in the left and right lower ends of the base plate 20. The screw holes 222 are formed at two positions, the center position in the front-rear direction and the front position, at the left and right lower ends of the base plate 20, and a total of four positions are formed on the left and right.

  As shown in FIG. 4, as described above, the tank cover 50 is formed by integrally molding the upper cover portion 51 and the lower cover portion 52. FIG. 4 is a rear view showing the tank cover 50 of the toilet bowl cleaning device 100 according to the present embodiment. In the upper cover part 51, only a rear slit part 511 having a large number of slits and a water discharge pipe mounting hole 41a (see FIG. 2) are formed as through holes that communicate the outside and the inside of the tank cover 50. Since each slit of the back surface slit portion 511 is extremely thin, it is not possible to access the later-described connection member 38 and the like through the back surface slit portion 511 and perform position adjustment of the later-described connection member 38 and the like. Further, since the hand wash water discharge pipe 42 is attached to the water discharge pipe attachment hole 41a, when the hand wash water discharge pipe 42 is attached, the connection member 38, which will be described later, is accessed through the water discharge pipe attachment hole 41a. Position adjustment of member 38 grade | etc., Can not be performed. That is, the tank cover 50 is attached to and fixed to the base plate 20, thereby making it impossible to access the members inside the tank cover 50 from the outside of the tank cover 50, and adjusting the positions of the members inside the tank cover 50. To make it impossible.

  As shown in FIGS. 4 and 5, the upper cover portion 51 of the tank cover 50 includes a horizontal guide portion 531 and a restricting portion 535 that respectively constitute cover-side guide portions. FIG. 5 is a lower perspective view showing the inside of the tank cover 50 of the toilet bowl cleaning device 100 according to the present embodiment. The horizontal direction guide part 531 is comprised by a pair of plate-shaped member which has L shape at the bottom view, and exists in the left-right symmetric positional relationship centering on the center of the tank cover 50 in the left-right direction.

  More specifically, the horizontal direction guide portion 531 has a longitudinal direction guide plate portion 532 and a lateral direction guide plate portion 533. The longitudinal direction guide plate portion 532 has a positional relationship parallel to the longitudinal direction and the vertical direction. The left-right direction guide plate part 533 has a positional relationship parallel to the left-right direction and the up-down direction. The longitudinal guide plate portion 532 is provided inside the tank cover 50 by being integrally formed with the back wall 501 and the upper wall 502 of the tank cover 50. The lateral direction guide plate portion 533 is provided inside the tank cover 50 by being integrally formed with the upper wall 502 of the tank cover 50. The left and right direction guide plate portions 533 of the pair of horizontal direction guide portions 531 have a flush positional relationship. As shown in FIG. 4, the lower edge of the horizontal guide plate portion 533 of the pair of horizontal guide portions 531 has an inclined surface 534 that is inclined upward as it approaches the center of the tank cover 50 in the horizontal direction. ing. A side wall upward projecting portion 365 of a water conduit support member 34 described later can abut on the inclined surface 534, and the side wall upward projecting portion 365 moves along the inclined surface 534 in a state of contacting the inclined surface 534. It is possible. That is, the horizontal guide portion 531 positions the water conduit support member 34 with respect to the tank cover 50, and the connection member 38 supported by the water conduit support member 34 is placed at a predetermined position in the horizontal direction with respect to the tank cover 50. Guide.

  After the tank cover 50 starts being guided by the guide portion 23, the positional relationship in which the side wall upper projecting portion 365 as the tank side guided portion begins to be guided by the horizontal guide portion 531 as the cover side guide portion and the restricting portion 535 is The unit 23 is included.

  Specifically, in the vertical direction, the height from the upper end of the guide portion 23 of the base plate 20 to the upper end of a support member support portion 361 described later (the upper end of the side wall upward projecting portion 365) is from the lower end of the tank cover 50 to the tank. The lower end surface of the bottom plate portion 21 of the base plate 20 is shorter than the height to the lowermost end of the horizontal direction guide portion 531 of the cover 50 (the lowermost end of the lower end edge of the horizontal direction guide plate portion 533 of the horizontal direction guide portion 531) The height from the upper surface of the predetermined positioning protrusion 213 to the upper end of the connection portion 381 when no force is applied to the spring 395 of the connection member 38 described later is the tank cover 50 from the lower end of the tank cover 50. The lower end surface of the connection portion contact portion plate portion 536 of the restriction portion 535 is longer than the height to the uppermost end of the portion forming the arc-shaped concave portion.

  The restricting portion 535 has a connecting portion abutting portion plate portion 536 and a connecting portion longitudinal direction fixing portion 538. The connection portion contact portion plate portion 536 has a single plate shape having a positional relationship parallel to the left and right direction and the up and down direction, and the lower end portion of the connection portion contact portion plate portion 536 is convex upward. An arc-shaped recess 537 is formed. The upper end of the connection portion 381 of the connection member 38 can come into contact with the recess 537. The connecting portion front-rear direction fixing portion 538 has a pair of plates having a positional relationship parallel to the front-rear direction and the up-down direction, and exists in a symmetrical relationship with respect to the center of the tank cover 50 in the left-right direction. doing. The rear end portions of the lower end portions of the pair of connecting portion front-rear direction fixing portions 538 have convex portions 539 that protrude downward. The upper end of the connection portion 381 of the connection member 38 is separated from the protrusion 539 and the connection portion longitudinal fixing portion 538 in front of the pair of convex portions 539 and abuts on the lower end portion of the connection portion contact portion plate portion 536 Arranged in the state. That is, the restricting portion 535 restricts the position of the connection portion 381 from the upper side of the connection portion 381.

  As shown in FIG. 2, a water discharge pipe attachment hole 41 a is formed in the hand wash section 40 of the tank cover 50 for attaching a hand wash water discharge pipe 42. The water discharge tube mounting hole 41a has a substantially circular opening. The portion of the hand wash portion 40 of the tank cover 50 forming the water discharge pipe attachment hole 41a constitutes the peripheral portion of the attachment portion. In addition, screw holes 522 formed by through holes are formed in the left and right lower ends of the tank cover 50. The screw holes 522 are respectively formed at two positions, that is, a center position in the front-rear direction and a front-side position of the left and right lower ends of the tank cover 50, and a total of four positions are formed.

  As shown in FIG. 9, the upper part of the rear part of the tank main body 31 and the central part in the left-right direction has a rear support part 311 for supporting the water conduit support member 34. FIG. 9 is a perspective view showing how the water conduit support member 34 of the toilet bowl cleaning device 100 according to the present embodiment is fixed to the tank body 31 of the flush water tank 30. As shown in FIG. In FIG. 9, for convenience of explanation, only the tank main body 31 and the water conduit support member 34 are illustrated, and the illustration of the other members is omitted. The rear support portion 311 has a retreating portion 312 that is lowered rearward by one step with respect to the rear recessed portion 314 formed to be recessed inward (forward) of the tank main body 31, and the upper end edge of the retreating portion 312 is And an engaging protrusion 313 extending rearward and extending in the left-right direction along the upper edge. The water pipe support member 34 is supported by the tank body 31 by the water pipe support member 34 engaging with the receding portion 312.

  As shown in FIG. 6 and the like, the water conduit support member 34 as the tank-side guided portion has a sandwiching portion 341, an extension portion 351, and a support member support portion 361. FIG. 6 is a perspective view showing the water conduit support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. The sandwiching portion 341 has a substantially flat plate portion 342 and a corrugated plate portion 346 as shown in FIGS. The substantially flat plate portion 342 extends downward, and a pair of ribs 343 is provided on the front surface as shown in FIG. FIG. 10 is a rear perspective view showing the pinching portion 341 of the water conduit support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. FIG. 11 is a front perspective view showing the pinching portion 341 of the water conduit support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. The rib 343 has a triangular shape when viewed from the side. The width of the rib 343 in the front-rear direction increases as it goes upward. As shown in FIG. 10, the rear surface is provided with linear convex portions 344 that project slightly rearward from the rear surface and extend in the vertical direction. The linear convex portion 344 extends in the vertical direction at a position near the end edge of the substantially flat plate portion 342 in the left-right direction.

  The corrugated plate portion 346 has a plate shape having a corrugated shape when viewed from the side. Specifically, as shown in FIG. 10, the corrugated plate portion 346 first protrudes rearward from the upper end of the corrugated plate portion 346 and then extends downward and slightly forward. And it bends forward and extends slightly forward. A stepped portion 347 is formed by this portion, and the stepped portion 347 can be engaged with the engagement protrusion 313 (see FIG. 9) of the tank body 31. Then, the waved plate portion 346 is bent downward, slightly approaches the substantially flat plate portion 342, and then curved backward to reach the lower end portion of the waved plate portion 346. In the state where the retreating portion 312 is sandwiched between the substantially flat plate portion 342 and the wave plate portion 346 having the above-described configuration, the wave plate portion 346 is engaged with the engagement protrusion portion 313 of the tank body 31 as described above. The water pipe support member 34 is attached so as not to be easily detached from the tank body 31, and can be fixed to the tank body 31. Further, the water guide pipe support member 34 can be removed from the tank body 31 by pulling the wave plate 346 rearward and releasing the engagement of the wave plate 346 with the engagement protrusion 313 of the tank body 31. is there.

  The extension part 351 has a shape obtained by dividing a substantially square pole into halves, and extends in the vertical direction. The lower end portion of the extension portion 351 is connected to the holding portion 341 by being integrally formed. An upper end portion of the extension portion 351 is connected to the support member support portion 361 by being integrally formed. As shown in FIG. 8 and the like, the hand-washing side water supply pipe 33 for supplying the hand-washing water discharged from the hand-washing water discharge pipe 42 to the hand-washing water discharge pipe 42 can be accommodated in the space surrounded by the side wall of the extending portion 351. is there. FIG. 8 is a perspective view showing the connecting member 38 supported by the water conduit supporting member 34 of the toilet bowl cleaning device 100 according to the present embodiment.

  As illustrated in FIG. 8 and the like, the support member support portion 361 includes a partition wall portion 362, an intermediate wall 363, a connection member guide portion 364, and a side wall upward projecting portion 365. The partition wall part 362 is configured by a wall part that can accommodate the hand-washing side water supply pipe 33 and that forms the upper end part of the space surrounded by the side wall of the extension part 351. A notch 366 penetrating the partition wall 362 in the vertical direction is formed at the center of the partition wall 362. The middle wall 363 is formed of a pair of wall portions extending upward from the center position of the partition 362 in the front-rear direction. The middle wall 363 has a positional relationship parallel to the up-down direction and the left-right direction, and has an elongated rectangular shape in the up-down direction. A connecting member guiding portion 364 is provided at the edge of the mutually opposing side of the pair of middle walls 363. The connecting member guiding portion 364 has a shape as if the cylinder is divided along the axial direction, and has an arc shape in plan view. The pair of connection member guide portions 364 form a virtual cylindrical space whose axis is directed in the vertical direction. In this space, a portion of the connecting member 38 which is above the lower end of the spring 395 is accommodated, and the connecting member guiding portion 364 makes this portion of the connecting member 38 the connecting member guiding portion 364 , Vertically slidably supported. The side wall upward projecting portion 365 has a pair of plate-like shapes, and extends upward from both ends of the upper end portion of the middle wall 363 in the left-right direction. The hand wash water discharge pipe 42 serving as the water discharge portion and the hand wash side The water supply pipe 33 extends to the connection position with the connection portion 381 of the connection member 38 connected.

  As shown in FIGS. 7 and 8, the connection member 38 includes a connection portion 381, a water conveyance portion 384, and a spring 395 as an elastic member. FIG. 7 is a side view showing the connection member 38 of the toilet bowl cleaning device 100 according to the present embodiment. The connecting portion 381 has a cylindrical shape with a closed rear end, and the connecting portion 381 has a positional relationship in which the axis of the connecting portion 381 is oriented in the front-rear direction. A flange portion 382 is provided around the opening at the front end of the connecting portion 381 that opens.

  The water guide portion 384 has a substantially cylindrical shape with an upper end and a lower end opened. The axial center of the water guiding portion 384 has a positional relationship in which the water guiding portion 384 is directed in the vertical direction. The upper end portion of the water guiding portion 384 is connected to the lower portion of the rear portion of the connecting portion 381 by being integrally formed. Thereby, the space inside the water conveyance part 384 and the space inside the connection part 381 are in communication. Ribs 385 extending from the connection portion 381 to the lower portion of the water conveyance portion 384 are provided on the left and right side surfaces of the water conveyance portion 384, respectively. In addition, an upper portion of the water guide portion 384 has a double flange portion 386 that is doubled up and down. The double flange portion 386 is provided at a portion slightly below the upper end portion of the water conveyance portion 384. The double flange portion 386 is slidable in the vertical direction with respect to the pair of connection member guide portions 364 (see FIG. 8).

  In addition, spring guides 387 are provided on the front and rear surfaces of the water guide portion 384. The spring guide 387 extends from the double flange 386 to the middle of the water conduit 384. The lower end portion of the spring guide 387 has a hook portion 388 that protrudes outward in the radial direction of the water guide portion 384. As shown in FIGS. 7 and 8, a spring 395 as an elastic member is present between the hook portion 388 and the double flange portion 386. The upper end portion of the spring 395 is in contact with the double flange portion 386. The lower end portion of the spring 395 is in contact with the hook portion 388. Further, the lower end portion of the spring 395 abuts on the partition 362 of the support member support 361 when the connection member 38 is supported by the support member support 361 as shown in FIG. 8.

  When the connection portion 381 abuts on the connection portion contact portion plate portion 536 of the regulation portion 535 of the tank cover 50, the spring 395 as an elastic member is elastically deformed and the connection member 38 is connected to the connection member guide portion 364 By sliding in the up and down direction, the connection portion 381 can adjust the position with respect to the water conduit support member 34 in the up and down direction. The range in which the position of the connection portion 381 can be adjusted due to the elastic deformation of the spring 395 is set to a range in which product variations can be absorbed. The double flange portion 386 and the spring 395 constitute a support member that supports a water guide portion 384 as a water guide member that guides water to the hand-washing water discharge pipe 42 as a water discharge portion.

  As described above, the tank cover 50 and the connection member 38 include an adjustment mechanism that adjusts the position of the connection portion 381 to a predetermined position with respect to the tank cover 50. The adjustment mechanism has a horizontal direction guide portion 531, a restricting portion 535, a spring 395, and a guide portion 23.

  As shown in FIG. 7, a lower flange 390 is provided at the lower portion of the water guide portion 384. A stopper 391 for preventing the upper end portion of the hand-washing side water supply pipe 33 from easily coming out of the lower portion of the water guide portion 384 is formed at a lower portion of the water guide portion 384 and below the lower flange 390. There is. The lower part of the water conduit 384 is inserted into the hand-washing side water supply pipe 33 until the upper end of the hand-washing side water supply pipe 33 reaches the lower flange 390. Therefore, the water pipe support member 34 supports the water guiding portion 384 as a water pipe leading the water to the hand-washing water discharge pipe 42 and the hand-washing side water supply pipe 33. And since the water conveyance part 384 of the connection member 38 to which the hand-washing side water supply pipe 33 was connected is detachable with respect to the water conveyance pipe support member 34, it is connected to the water conveyance part 384 as a water conveyance pipe which guides water to the water discharge part. The hand-washing side water supply pipe 33 is also detachable from the water guide pipe support member 34. That is, since the water conduit support member 34 is fixed to the tank main body 31 of the flush water tank 30, the water conduit 384 of the connection member 38 and the hand-washing side water supply pipe 33 are detachable with respect to the tank main body 31.

  As shown in FIG. 17 and the like, the hand-washing water discharge pipe 42 has a water discharge pipe conduit 421 extending rearward. FIG. 17 is an enlarged cross-sectional view illustrating a state in which the water discharge pipe guiding part 421 of the hand-washing water discharge pipe 42 is inserted into the water discharge pipe fixing part 43 of the toilet bowl cleaning device 100 according to the present embodiment. The water discharge pipe water guiding portion 421 has a substantially cylindrical shape. The water discharge pipe water conveyance part 421 is inserted into the water discharge pipe fixing part 43 as a fixing member and penetrates the water discharge pipe fixing part 43, and the rear end of the water discharge pipe water conveyance part 421 is located inside the connection part 381 . Therefore, the connection part 381 is connected to the water discharge pipe 42 as a water discharge part with a packing (not shown) interposed therebetween, and the inside of the connection part 381 is directly connected to the inside of the water discharge pipe water guiding part 421. Communicate with each other. Therefore, the water discharge pipe water guiding portion 421 is connected to the hand-washing side water supply pipe 33 (see FIG. 8 and the like) as a water guiding pipe inside the tank cover 50 through the connection member 38. As shown in FIG. 12, a through hole 422 is formed in the lower part of the hand-washing water discharge pipe 42. From the through hole 422, the water discharge pipe clip 44 can be inserted into the hand-washing water discharge pipe 42. FIG. 12 is a front view showing the positional relationship between the hand-washing water discharge pipe 42 and the water conduit support member 34 according to the present embodiment. In FIG. 12, illustration of the tank cover 50 is omitted for convenience of explanation.

  As shown in FIGS. 14 and 15, the water discharge pipe fixing portion 43 as a fixing member includes a fixing portion cylindrical portion 431, a front side plate-like portion 432, and a rear side plate-like portion 433. FIG. 14 is a lower perspective view showing the water discharge pipe fixing portion 43 of the toilet bowl cleaning device 100 according to the present embodiment. FIG. 15 is a side perspective view showing the water discharge pipe fixing portion 43 of the toilet bowl cleaning device 100 according to the present embodiment. The water spouting tube fixing portion 43 does not have the function of water conveyance, and is for fixing the hand-washing water spouting tube 42 to the tank cover 50. Hand wash water from the hand wash side water supply pipe 33 is supplied to the hand wash water discharge pipe 42 via the connection member 38 without passing through the water discharge pipe fixing portion 43.

  The fixed portion cylindrical portion 431 has a substantially cylindrical shape, and the space formed by the inner peripheral surface of the fixed portion cylindrical portion 431 constitutes a through hole. The front side plate-like portion 432 is connected to the front end portion of the fixed portion cylindrical portion 431 by being integrally formed, and the radial outside of the fixed portion cylindrical portion 431 from the periphery of the fixed portion cylindrical portion 431 It has a flange shape that protrudes in the direction. The rear side plate-like portion 433 is connected by being integrally formed in the vicinity of the rear end portion of the fixed portion cylindrical portion 431, and the radius of the fixed portion cylindrical portion 431 from the periphery of the fixed portion cylindrical portion 431 It has a flange shape that protrudes outward in the direction.

  The front plate-like portion 432 has a substantially rectangular plate shape when viewed from the front, and has a curved convex portion 4321 that curves upward and protrudes at the center of the long side located on the upper side. The curved convex portion 4321 is formed so as to protrude rearward from the front plate-like portion 432 and to a substantially intermediate position between the front plate-like portion 432 and the rear plate-like portion 433. As shown in FIG. 14, the curved convex portion 4321 is formed with a rectangular parallelepiped concave portion 4322 in which the inner peripheral surface of the fixed portion cylindrical portion 431 is formed in a substantially rectangular parallelepiped shape and is recessed toward the outside of the fixed portion cylindrical portion 431. It is done. The lower end portion of the front plate-like portion 432 (the lower end portion of the front plate-like portion 432 shown in FIG. 15) is a slope that is cut from the front upper side to the lower rear side, that is, the normal line of the slope is rearward from the lower front side. It has a slope that points upwards of the

  A front clip positioning convex portion 4323 is provided on the back surface of the front plate-like portion 432. Four front clip positioning convex portions 4323 are provided on the upper and lower portions of the rear surface of the front side plate-like portion 432 and one each on the right side and the left side of the fixed portion cylindrical portion 431. The front clip positioning convex portions 4323 have linear shapes extending in the left-right direction, respectively, and project slightly rearward from the back surface of the front side plate-like portion 432. The projection amounts of the four front clip positioning convex portions 4323 from the back surface of the front side plate-like portion 432 are all the same.

  The rear side plate-like portion 433 has a substantially rectangular plate shape in a front view. A rear clip positioning convex portion 4331 is provided on the front surface of the rear plate portion 433. The rear clip positioning convex portion 4331 is around the fixed portion cylindrical portion 431 on the front surface of the rear plate-like portion 433, and is three on the right side, three on the left side, and on the lower side of the fixed portion cylindrical portion 431. A total of seven are provided. The rear clip positioning convex portions 4331 each have a linear shape extending in the left-right direction, and project forward from the front surface of the rear plate-like portion 433. Furthermore, at the center position in the left-right direction of the rear clip positioning convex portion 4331 provided one below the fixed portion cylindrical portion 431, the rear clip positioning convex portion 4331 is directed to the fixed portion cylindrical portion 431. A centrally extending convex portion 4332 extending in the direction is provided. The amount of protrusion of the rear clip positioning convex portion 4331 from the front surface of the rear plate-like portion 433 increases as it goes upward.

  The fixed cylindrical portion 431 includes a clip engagement corner portion 4311, a rear flange portion 4312, a rear end hook portion 4313, and a positioning convex portion 4314. One pair of clip engagement corners 4311 is provided on the left and right of the upper part of the peripheral surface of the fixed cylindrical portion 431 located between the front plate portion 432 and the rear plate portion 433 in the front-rear direction. It is constituted by a rectangular portion formed by intersecting a surface extending in the up-down direction and a surface extending in the left-right direction. The rear flange portion 4312 has a flange shape which slightly protrudes outward in the radial direction of the fixed portion cylindrical portion 431 from the fixed portion cylindrical portion 431 immediately behind the rear side plate-like portion 433. The rear end hooks 4313 are provided one by one on the left and right at the rear end of the fixed cylindrical portion 431, and the thickness of the fixed cylindrical portion 431 in the radial direction becomes thicker as it goes forward. It has a shape. The positioning convex portion 4314 is constituted by a convex portion extending downward from the rear end portion of the fixed portion cylindrical portion 431. The positioning convex portion 4314 has a water discharge tube mounting hole so that the water discharge tube fixing portion 43 does not rotate in the water discharge tube mounting hole 41a when the water discharge tube fixing portion 43 is mounted in the water discharge tube mounting hole 41a. It engages with an engaging recess 41b formed in the lower part of 41a.

  As shown in FIG. 13, the water discharge pipe clip 44 as a water discharge part fixing engagement member has a lower end plate 441, a base plate 444 and a U-shaped engagement part 446. . FIG. 13 is a front view showing the water discharge pipe clip 44 of the toilet bowl cleaning device 100 according to the present embodiment. The lower end plate-like portion 441 has a substantially rectangular plate shape that coincides with a through hole 422 (see FIG. 12 and the like) formed in the lower portion of the rear portion of the hand-washing water discharge pipe 42. As described later, when the U-shaped engaging portion 446 is inserted into the through hole 422 and the U-shaped engaging portion 446 is engaged with the fixed portion tubular portion 431, the through hole 422 is closed. It is done. A through hole 442 having a rectangular opening is formed in the central portion of the lower end plate-like portion 441. The base plate-like portion 444 has a plate shape having a positional relationship intersecting with the lower end plate-like portion 441. The lower end portion of the base plate portion 444 is connected to the upper surface of the lower end plate portion 441 by being integrally formed. The upper end portion of the base plate portion 444 is connected to the central portion of the U-shaped engaging portion 446 by being integrally formed.

  The U-shaped engaging portion 446 has a plate-like U-like shape having a predetermined width in the front-rear direction. A pair of tip portions of the U-shaped engagement portion 446 is provided with a fixing projection 447 that protrudes from one tip portion toward the other tip portion. The fixing projection 447 engages with the clip engaging corner 4311 of the water discharge pipe fixing portion 43. An alignment convex portion 448 is provided at the center of the U-shaped engagement portion 446. The alignment convex portion 448 protrudes upward from the center of the U-shaped engagement portion 446 in a direction away from the base plate-like portion 444, and contacts the fixed portion cylindrical portion 431. In contact therewith, the water discharge pipe clip 44 is positioned relative to the fixed portion tubular portion 431.

  About the assembly of the toilet bowl cleaning apparatus 100 which concerns on this embodiment provided with the above structure, ie, the tank cover 50 is covered on the wash water tank 30, and the construction method which has the process of attaching the water discharging part to the tank cover 50 is demonstrated. First, as shown in FIG. 2, the flush water tank 30 and the like are attached and fixed to the base plate 20 attached to the upper rear surface of the toilet body 11. Next, the tank cover 50 covers the flush water tank 30 from above the base plate 20 and covers the flush water tank 30. At this time, the inner surfaces of the two corners at the front of the opening in the lower part of the tank cover 50 are in contact with the guide surfaces (inclined surfaces 235, 236) of the two guides 23 located at the front of the base plate 20. Let it slide. Further, the inner surfaces of the left and right side portions of the tank cover 50 are brought into contact with the guide surface portions of the two guide portions 23 located in the middle in the front-rear direction of the base plate 20 and are slid. Thus, the lower portion of the tank cover 50 is guided by the guide surface portion, and the tank cover 50 is gradually guided so as to approach the cover fixing position.

  As described above, when the tank cover 50 starts being guided to the cover fixing position, the upper end portion of the side wall upper projecting portion 365 of the support member supporting portion 361 is the left-right direction guide plate portion of the horizontal guide portion 531 inside the tank cover 50. It slides in contact with the inclined surface of 533. By this sliding, the upper end portions of the pair of side wall upper protruding portions 365 are guided to positions between the left-right direction guide plate portion 533 and the connection portion abutting portion plate portion 536 of the regulating portion 535, respectively.

  The upper end portion of the connection portion 381 of the connection member 38 abuts on the connection portion longitudinal direction fixing portion 538 of the regulation portion 535 and a portion of the arc-shaped concave portion 537 of the lower end portion of the connection portion contact portion plate portion 536 Contact. Further, the tank cover 50 is further moved downward and guided so as to approach the cover fixing position. At this time, since the upper end portion of the connection portion 381 of the connection member 38 is in contact with the connection portion contact portion plate portion 536 of the regulation portion 535, the connection portion longitudinal fixing portion 538 and the connection portion contact portion plate portion 536 Is pushed downward by Since the connecting member 38 has a spring 395 as an elastic member, the spring 395 is compressed. Then, when the tank cover 50 is finally positioned at the cover fixing position, the opening of the connection portion 381 of the connection member 38 has a positional relationship that matches the water discharge pipe attachment hole 41 a in a front view. Further, in a side view, the screw hole 222 of the base plate 20 and the screw hole 522 of the tank cover 50 are in a positional relationship.

  Next, as shown in FIG. 16, from the outside of the tank cover 50, the fixing portion cylindrical portion 431 of the water discharge pipe fixing portion 43 is moved from the rear end portion of the fixing portion cylindrical portion 431 (from the rear end hook portion 4313. The rear end hook portion 4313 is pushed into the water discharge pipe attachment hole 41a and engaged with and fixed to a portion around the water discharge pipe attachment hole 41a. FIG. 16 is an enlarged cross-sectional view showing how the water discharge pipe fixing portion 43 of the toilet bowl cleaning device 100 according to this embodiment is connected to the tank cover 50. As shown in FIG. In this state, since nothing is inserted into the space formed by the inner peripheral surface of the fixed portion cylindrical portion 431, the rear end hook portion 4313 is formed radially inward of the fixed portion cylindrical portion 431. The engagement of the rear end hook portion 4313 with the portion around the water discharge pipe mounting hole 41a is apt to disengage.

  Next, the water discharge pipe guiding part 421 of the hand-washing water discharge pipe 42 is inserted into the fixed part cylindrical part 431 of the water discharge pipe fixing part 43 from the outside in front of the tank cover 50, and is formed by the fixed part cylindrical part 431. The through hole is penetrated, and the water discharge pipe water guiding portion 421 is connected to the connecting portion 381 of the connecting member 38. As a result, as shown in FIG. 17, the space surrounded by the inner peripheral surface of the fixed portion cylindrical portion 431 is in a state where the water discharge pipe guiding portion 421 is filled. Thus, as shown in FIG. 18, the rear end hook portion 4313 immediately moves to the water discharge pipe even if it tries to move inward in the radial direction of the fixed portion tubular portion 431 (the direction indicated by arrow A in FIG. 18). Since it abuts on the side surface of the portion 421, it can hardly move inward in the radial direction of the fixed portion cylindrical portion 431. FIG. 18 is an enlarged sectional view of an essential part showing a state in which the water discharge pipe water conducting part 421 of the hand-washing water discharge pipe 42 is inserted into the water discharge pipe fixing part 43 of the toilet bowl cleaning device 100 according to the present embodiment.

  That is, the water discharge pipe water guiding part 421 of the hand-washing water discharge pipe 42 inserted into the water discharge pipe fixing part 43 is a peripheral part of the attachment hole (the tank in which the water discharge pipe attachment hole 41a is formed) of the rear end hook part 4313. The cover 50 can be abutted so as to inhibit the movement of the rear end hook portion 4313 in the direction in which the engagement with the hand washing portion 40 of the cover 50 is released. Thus, the state where the rear end hook portion 4313 is engaged with the portion around the water discharge tube mounting hole 41a is maintained, and the rear end hook portion 4313 is difficult to come off from the portion around the water discharge tube mounting hole 41a. The state is maintained. Further, when connecting the water discharge pipe water guiding part 421 to the connection part 381 of the connecting member 38, the water discharging pipe water guiding part 421 is pushed back to push the connection part 381 backward, but at this time, the upper end of the connection part 381 When the portion abuts on the convex portion 539 of the connecting portion longitudinal direction fixing portion 538, the rearward movement of the connecting portion 381 is restricted.

  Next, the water discharge pipe clip 44 is inserted from the U-shaped engagement portion 446 into the through hole 422 formed in the lower portion of the rear portion of the hand-washing water discharge pipe 42. Then, the U-shaped engagement portion 446 (see FIG. 13) of the water discharge pipe clip 44 is moved upward from the lower side of FIG. 15 with respect to the water discharge pipe fixing portion 43 shown in FIG. The fixing portion tubular portion 431 is relatively inserted into the U-shaped opening in a positional relationship in which it opens upward. At this time, the pair of U-shaped engaging portions 446 includes a front clip positioning convex portion 4323 on the back surface of the front plate-like portion 432 on the near side and the far side of the fixed portion cylindrical portion 431 shown in FIG. It is inserted between the rear side clip positioning convex part 4331 of the front surface of the rear side plate-like part 433. Then, the U-shaped engaging portion 446 is further moved upward, and the fixing protrusion 447 of the U-shaped engaging portion 446 is engaged with the clip engaging corner portion 4311. This engagement is performed outside the tank cover 50. Thereby, the water discharge pipe clip 44 is fixed to the water discharge pipe fixing part 43, and the lower end plate-like part 441 of the water discharge pipe clip 44 is engaged with the through hole 422 formed in the lower part of the back of the hand wash water discharge pipe 42. In addition, the hand-washing water discharge pipe 42 is in a state where it cannot be detached from the tank cover 50.

According to the toilet bowl cleaning device according to the embodiment having the above-described configuration, the following effects can be obtained.
As described above, the toilet bowl cleaning apparatus 100 includes the toilet body 11, the base plate 20 mounted on the upper rear surface of the toilet body 11, the flush water tank 30 attached to the base plate 20, and the tank cover 50 covering the flush water tank 30. And. The tank cover 50 is not divided into an upper part and a lower part, and is configured as a single body. The base plate 20 has at least two guide parts 23 that guide the tank cover 50 to a predetermined position (cover fixing position) with respect to the base plate 20. .

  With this configuration, the tank cover 50 covers the washing water tank 30 from above the base plate 20, and when covering the washing water tank 30, the cover fixing position by the guide portion 23 with high accuracy. Can be guided by Therefore, the tank cover 50 can be positioned with high accuracy with respect to the connection member 38 which is a member inside the tank cover 50. Further, since the tank cover 50 can be prevented from being obliquely fixed to the base plate 20, the screw holes 222 of the base plate 20 and the tank cover 50 for fixing the tank cover 50 to the base plate 20 can be prevented. The screw holes 522 can be made to coincide with each other with high accuracy, the tank cover 50 can be easily fixed to the base plate 20 with screws, and the productivity can be improved. Further, since the positional deviation between the base plate 20 and the tank cover 50 can be suppressed, interference and misassembly between the tank cover 50 and other parts can be prevented, and the quality can be improved.

  The guide portion 23 protrudes from the peripheral wall 22 that rises upward from the base plate 20. With this configuration, when the tank cover 50 covers the washing water tank 30 from above the base plate 20 and covers the washing water tank 30, before the lower edge of the tank cover 50 reaches the upper edge of the peripheral wall 22. Further, the tank cover 50 can be guided by the guide portion 23. Thus, the tank cover 50 can be positioned at a predetermined position relative to the peripheral wall 22 with high accuracy.

  Further, the guide portion 23 has a guide surface portion (inclined surfaces 235, 236) extending downward from the inside of the peripheral wall 22 in the direction from the inside to the outside of the peripheral wall 22. With this configuration, it is possible to guide the tank cover 50 which has started to be guided by the guide portion 23 inside the circumferential wall 22 in the direction along the bottom plate portion 21 to the outside of the circumferential wall 22.

  The base plate 20 also includes a bottom plate 21 having a rectangular shape, and the guide 23 is present at at least two corners of the bottom plate 21. More specifically, the base plate 20 includes a bottom plate portion 21 having a rectangular shape having a pair of sides extending in the front-rear direction. The guide portions 23 are present at both corners of the front ends of the pair of sides of the bottom plate portion 21 and intermediate portions of the pair of sides of the bottom plate portion 21. With this configuration, even when a wall or the like exists behind the base plate 20, the tank cover 50 can be easily guided by the guide portion 23 from the front.

  The tank cover 50 also includes a horizontal guide portion 531 as a cover side guide portion and a regulating portion 535 as a cover side guide portion that guides the conduit guide member 34 as a tank side guided portion connected to the cleaning water tank 30. Inside of The guide portion has a positional relationship in which the tank side guided portion begins to be guided by the cover side guide portion after the tank cover 50 starts being guided by the guide portion 23.

  With this configuration, the tank cover 50 covers the flush water tank 30 from above the base plate 20, and when the flush water tank 30 is covered, the tank cover 50 begins to be guided by the guide portion 23. The guide portion (water conduit supporting member 34) can be guided by the cover side guide portion (horizontal direction guide portion 531, the regulation portion 535). For this reason, in the middle of the positioning of the tank cover 50 with respect to the base plate 20 by the guide portion 23, first, after the tank cover 50 is roughly positioned with respect to the base plate 20, the tank-side guided portion (water conduit support) The member 34) is guided by the cover side guide portion (the horizontal guide portion 531 and the restriction portion 535), and the tank side guided portion (water guide tube support member 34) is positioned with respect to the tank cover 50 with high accuracy. Can.

  Further, the height from the upper end of the guide portion 23 to the upper end of the tank side guided portion (water conduit supporting member 34) is higher than the height from the lower end of the tank cover 50 to the cover side guide portion (horizontal direction guide portion 531). short.

  With this configuration, the tank cover 50 covers the flush water tank 30 from above the base plate 20, and when the flush water tank 30 is covered, the tank cover 50 begins to be guided by the guide portion 23. The structure which guides a guide part to a cover side guide part is easily realizable.

  In addition, the toilet bowl cleaning apparatus 100 includes the toilet bowl body 11, a base plate 20 attached to the upper rear surface of the toilet bowl 11, a flush water tank 30 attached to the base plate 20, and a hand wash unit 40. A connection that connects the cover 50, a water discharge section (hand wash water discharge pipe 42) provided in the hand washing section 40, a water discharge section and a water guide pipe (hand wash side water supply pipe 33) that guides water to the water discharge section, and is connected to the water discharge section. And a connecting member 38 having a portion 381. The tank cover 50 is not divided into an upper part and a lower part but integrally formed up and down, and the tank cover 50 and the connection member 38 adjust the position of the connection portion 381 to a predetermined position relative to the tank cover 50 (horizontal direction A guide portion 531, a restricting portion 535, a spring 395, and a guide portion 23) are provided.

  With this configuration, the position of the connecting portion 381 can be adjusted to a predetermined position with respect to the tank cover 50. Therefore, when the tank cover 50 covers the washing water tank 30 from above the base plate 20, the washing water tank 30 is covered. In addition, the connection 381 can be positioned at a predetermined position relative to the tank cover 50 with high accuracy. As a result, the water discharger can be easily connected to the connection part 381 from the outside of the tank cover 50. As a result, the tank cover 50 having a shape that makes it impossible to adjust the position of members inside the tank cover 50 from the outside of the tank cover 50 by being attached and fixed to the base plate 20 can be used. The attachment and detachment with respect to the 50 base plates 20 can be facilitated. Further, as in the prior art, it is possible to save time and effort for removing the back cover, and to improve the design.

  In addition, the connection member 38 includes a spring 395 as an elastic member constituting an adjustment mechanism, and the spring 395 is elastically deformed when the connection portion 381 comes into contact with the tank cover 50, so that the position of the connection portion 381 can be adjusted. is there. With this configuration, when the connection portion 381 contacts the tank cover 50, the spring 395 as an elastic member is elastically deformed, so that the connection portion 381 is located at a predetermined position relative to the tank cover 50, that is, the hand-washing water discharge pipe 42 is connected to the connection portion 381. It can be easily positioned at a position connectable to

  In addition, the tank cover 50 has a restricting portion 535 that regulates the position of the connection portion 381 from above the connection portion 381 to configure the adjustment mechanism inside the tank cover 50. With this configuration, the connection portion 381 can be easily positioned in a predetermined position with respect to the tank cover 50 in the vertical direction, that is, a position where the hand-washing water discharge pipe 42 serving as the water discharge portion can be connected to the connection portion 381.

  In addition, the tank cover 50 includes a horizontal direction guide portion 531 that guides the connection member 38 to a predetermined position in the horizontal direction with respect to the tank cover 50 to configure an adjustment mechanism. With this configuration, the connecting portion 381 can be easily positioned in the horizontal direction at a predetermined position relative to the tank cover 50, that is, at a position where the water discharger can be connected to the connecting portion 381.

  Further, the connection member 38 includes a water guide portion 384 as a water guide member that guides water to the hand-washing water discharge pipe 42 as a water discharge portion, and a double flange portion 386 and a spring 395 as a support member that supports the water guide portion 384. Prepare. With this configuration, when the tank cover 50 is placed over the wash water tank 30 so as to cover the wash water tank 30 from above the base plate 20, the connecting portion 381 is positioned at a predetermined position with respect to the tank cover 50, that is, the water discharge portion. The hand-washing water discharge pipe 42 can be easily arranged at a position where it can be connected to the connection portion 381.

  The toilet bowl cleaning device 100 includes a toilet bowl body 11, a base plate 20 attached to the rear upper surface of the toilet bowl body 11, a wash water tank 30 attached to the base plate 20, and a tank cover that covers the wash water tank 30 with a hand-washing unit 40. 50, a hand wash water discharge pipe 42 serving as a water discharge section provided in the hand wash section 40, and a hand wash side water supply pipe 33 serving as a water guide pipe for guiding water to the water discharge section and the water discharge section. A connecting member 38 that circulates to the water discharge section, a hand-washing side water supply pipe 33 as a water conduit, and a water conduit support member 34 that supports the connection member 38 are provided. The tank cover 50 is not divided into an upper part and a lower part but integrally formed in the upper and lower parts, and the water pipe support member 34 is detachably attached to the flush water tank 30.

  With this configuration, the connection portion 381 between the hand-washing water discharge pipe 42 and the hand-washing side water supply pipe 33 can be held at a predetermined position relative to the tank cover 50. For this reason, conventionally, a hand-washing side water supply pipe as a water guide pipe for supplying hand-washing water to a hand-washing water discharge pipe as a water discharge section provided in the tank cover has a configuration connected to the washing water tank. However, this connection can be eliminated and the configuration can be continuous. For this reason, when removing the tank cover 50 that makes it impossible to adjust the position of the members inside the tank cover 50 (such as the connecting member 38) from the outside of the tank cover 50, the removal is facilitated. Can do. Further, when the tank cover 50 is covered with the wash water tank 30 so as to cover the wash water tank 30 from above the base plate 20, the connecting portion 381 can be positioned at a predetermined position with respect to the tank cover 50 with high accuracy. . As a result, the hand-washing water discharge pipe 42 as the water discharge part can be easily connected to the connection part 381 from the outside of the tank cover 50. Moreover, since the water conduit support member 34 can be attached to and detached from the washing water tank 30, the washing water tank 30 can be used in common even when the toilet bowl washing device does not have a hand washing section.

  Further, the hand-washing side water supply pipe 33 as a water conduit is configured by a single continuous pipe member having one end connected to the wash water tank 30 and the other end connected to the connection member 38. By this configuration, the configuration of the hand-washing side water supply pipe 33 can be simplified.

  Further, the hand-washing side water supply pipe 33 and the connection member 38 as the water conduit are detachable from the water conduit support member 34. With this configuration, it is not necessary to provide a connection between the washing water tank 30 and the hand-washing side water supply pipe 33 as the water conduit, and the hand-washing side water supply pipe 33 as the water conduit is a continuous structure. The water supply pipe 33 and the connection member 38 can be removed from the water pipe support member 34. Therefore, the degree of freedom in the assembly process of the toilet bowl cleaning device 100 can be increased by attaching and detaching the hand-washing side water supply pipe 33 and the connection member 38 with respect to the water conduit support member 34 as appropriate.

Moreover, in the construction method of the toilet bowl cleaning apparatus, a tank cover is provided with the hand-washing unit 40 provided with the hand-washing water discharge pipe 42 as the water discharge unit, and covers the washing water tank 30 attached to the base plate 20 attached to the rear upper surface of the toilet body 11 50 to cover the washing water tank 30 and from the outside of the tank cover 50, a step of attaching a hand washing water discharge pipe 42 as a water discharging part to the hand washing part 40 of the tank cover 50.
As the tank cover 50, the tank cover 50 that is not divided into an upper part and a lower part and is configured as an upper and lower part is used, and before the step of covering the cleaning water tank 30 with the tank cover 50, The connection member 38 is connected to the hand-washing water discharge pipe 42 and the hand-washing side water supply pipe 33 as a water conduit leading the water to the water discharge portion, and the water from the hand-washing side water supply pipe 33 is made to flow to the water discharge pipe 42 It has the process of making the member 38 and the water discharge pipe 42 the state supported. With this configuration, the toilet bowl cleaning device 100 can be easily assembled.

  The toilet bowl cleaning device 100 includes a toilet body 11, a wash water tank 30 connected to the toilet body 11, a tank cover 50 that includes a hand wash unit 40 and covers the wash water tank 30, and performs hand washing from the outside of the wash water tank 30. A toilet flushing device 100 including a hand-washing water discharge pipe 42 as a water discharge unit attached to the unit 40, wherein the tank cover 50 is not divided into an upper part and a lower part, and is configured integrally with the upper and lower parts. A water discharge pipe fixing portion 43 is provided as a fixing member that is fixed to the formed water discharge pipe mounting hole 41 a from the outside of the tank cover 50 and fixes the water discharge pipe 42 as the water discharge section to the tank cover 50. A through-hole through which the water guide portion (water discharge water guide portion 421) of the hand-wash water discharge pipe 42 penetrates from the outside of the tank cover 50 is formed. 421, while penetrating through the through hole and is connected to the interior of the water conduit of the tank cover 50 (handwashing side water supply pipe 33).

  With this configuration, since the water discharge pipe fixing portion 43 as a fixing member does not have a function of guiding water, it is not necessary to consider the sealing performance at the connection portion between the water discharge pipe fixing portion 43 and another member. In addition, since the water guide part (water discharge pipe water supply part 421) of the water discharge part is inserted into the water discharge pipe fixing part 43 and the water discharge pipe water supply part 421 is connected to the hand-washing side water supply pipe 33 inside the tank cover 50, the water discharge part It is not necessary to form an opening on the back surface of the tank cover 50 for connecting the water guide portion (water discharge pipe water guide portion 421) to the hand-washing side water supply pipe 33 inside the tank cover 50. As a result, the tank cover 50 has a shape that makes it impossible to adjust the position of the members (such as the connecting member 38) inside the tank cover 50 from the outside of the tank cover 50 by being attached and fixed to the base plate 20. The tank cover 50 can be used, and the tank cover 50 can be easily attached and detached. Further, as in the prior art, it is possible to save time and effort for removing the back cover, and to improve the design.

  Further, the water discharge pipe fixing portion 43 as a fixing member has a hook portion 4313 that is formed around the through hole of the water discharge pipe fixing portion 43 and can be engaged with the peripheral portion of the attachment hole (water discharge pipe attachment hole 41a). The water discharge pipe water guiding part 421 penetrating the through hole is configured to prevent the hook part 4313 engaged with the peripheral part of the water discharge pipe attaching hole 41a from being detached from the peripheral part of the water discharge pipe attaching hole 41a. Can be contacted. With this configuration, the water discharge pipe fixing portion 43 can be made difficult to be detached from the tank cover 50, and thereby the water discharge portion can be made difficult to be detached from the tank cover 50.

  Further, the toilet flushing device 100 engages with the hand-washing water discharge pipe 42 as a water discharge part and the water discharge pipe fixing part 43 as a fixing member, thereby fixing the water discharge part 42 to the water discharge pipe fixing part 43. And a water discharge pipe clip 44 as an engagement member. With this configuration, the water discharge pipe 42 can be easily fixed to the water discharge pipe fixing portion 43.

  Further, the water discharge pipe clip 44 as the water discharge part fixing engagement member engages with the hand wash water discharge pipe 42 and the water discharge pipe fixing part 43 outside the tank cover 50. With this configuration, the water discharge pipe clip 44 can be easily engaged with the hand-discharge water discharge pipe 42 and the water discharge pipe fixing part 43 outside the tank cover 50.

  The present invention is not limited to the above-described embodiment, and modifications, improvements, and the like as long as the object of the present invention can be achieved are included in the present invention.

  For example, the configuration of each part of the toilet bowl cleaning device is not limited to the configuration of each part in the present embodiment. For example, although four guide portions 23 are provided on the base plate 20, the number is not limited thereto. For example, the guide portions may be present at at least two corners of the bottom plate. Further, although the connection member 38 has the spring 395 as an elastic member, the connection member 38 is not limited to the spring 395. For example, the connection member 38 may be configured by a bellows or a telescopic rod antenna.

  The tank cover 50 is formed by integrally molding the upper cover portion 51 and the lower cover portion 52, and has a rear surface having a large number of slits as through holes that communicate the outside and the inside of the tank cover 50. Only the slit portion 511 and the water discharge pipe mounting hole 41a are formed, but the present invention is not limited to this configuration. The tank cover is not divided into an upper part and a lower part, and it is sufficient that the tank cover is configured as an upper and lower part. With this configuration, as in the present embodiment, the tank cover is attached and fixed to the base plate, thereby making it impossible to access the members inside the tank cover from the outside of the tank cover, and the members inside the tank cover. Even when the tank cover has a configuration that makes it impossible to adjust the position, the above-described effects can be obtained.

  Here, “a configuration that disables access to members inside the tank cover from the outside of the tank cover and disables position adjustment of the members inside the tank cover by being attached and fixed to the base plate”. When the washing water tank is covered by the tank cover, the members inside the tank cover (such as the connecting member 38) cannot be accessed from the outside of the tank cover, and as a result, from the outside of the tank cover. It means that the position adjustment of the internal member of the tank cover can not be performed. Therefore, the tank cover has an opening that is closed by a lid member that can be opened and closed. After the cleaning water tank is covered by the tank cover, the position of the internal member can be adjusted by opening the lid member. When the through hole that allows the position of the internal member to be adjusted by inserting a hand or jig is formed in a state where the tank cover is opened after the washing water tank is covered by the tank cover , The tank cover is "a configuration that disables access to the members inside the tank cover from outside the tank cover and makes it impossible to adjust the position of the members inside the tank cover by being fixed to the base plate" Does not correspond to having

  Therefore, for example, even when the tank cover is configured by joining a plurality of members, when the toilet cleaning device is assembled with the plurality of members joined together by an adhesive or the like, After the washing water tank is covered by the cover, none of the plurality of members can be removed, so that the members inside the tank cover cannot be accessed from the outside of the tank cover. It is sufficient if the position adjustment of the internal members is not possible.

  The tank cover 50 and the connection member 38 include an adjustment mechanism that adjusts the position of the connection portion 381 to a predetermined position with respect to the tank cover 50, and the adjustment mechanism includes a horizontal guide portion 531, a restriction portion 535, and a spring 395. And the guide portion 23, but the present invention is not limited to this configuration. The tank cover or the connection member may have a configuration including an adjustment mechanism that adjusts the position of the connection portion to a predetermined position relative to the tank cover.

20: Base plate 22: Peripheral wall 23: Guide portion (adjustment mechanism)
30: Washing water tank 33: Hand-washing side water supply pipe (conduction pipe)
34 ... water pipe support member 38 ... connection member (internal member)
40 ... hand wash section 42 ... hand wash spout tube (water discharge section)
43 ··· Water discharge pipe fixing part
44 ... Water discharge pipe clip (engagement member for fixing water discharge part)
50 ... Tank cover 100 ... Toilet bowl cleaning device 235, 236 ... Inclined surface (guide surface portion)
365 ... Side wall upward projecting part (tank side guided part)
381 ... Connection part 384 ... Water guide part (water guide member)
386 ... Double flange (support member)
395 ... Spring (elastic member, support member, adjustment mechanism)
421 ... Water discharge pipe water guide part 531 ... Horizontal direction guide part (cover side guide part, adjustment mechanism)
535 ... Restriction part (cover side guide part, adjustment mechanism)
4313 ... Rear end hook part 4314 ... Positioning convex part

Claims (4)

With the toilet bowl body,
A base plate attached to a rear upper surface of the toilet body;
A wash water tank attached to the base plate;
A tank cover having a hand wash and covering the wash water tank;
A water discharger attached to the handwashing part from the outside of the tank cover;
A toilet bowl cleaning device provided with
The tank cover is not divided into an upper part and a lower part, and is composed of an upper and lower part,
It is fixed from the outside of the tank cover to a mounting hole formed in the tank cover, and includes a fixing member that fixes the water discharge portion to the tank cover.
The fixing member is formed with a through hole through which the water guide portion of the water discharge portion passes from the outside of the tank cover,
The water guide part of the water discharge part is connected to a water guide pipe inside the tank cover in a state of passing through the through hole ,
A connection member connected to the water conduit that guides water to the water discharge part, and having a connection part connected to the water discharge part;
Wherein when the tank cover is positioned, the connecting portion of the opening positional relationship between Do that toilet bowl flushing device matching the water discharge pipe mounting hole in the front view. The fixing member has a hook portion formed around the through hole and engageable with a peripheral portion of the mounting hole,
The water guiding portion of the water discharger passing through the through hole contacts the hook portion so as to inhibit the hook portion engaged with the periphery of the mounting hole from coming off the periphery of the mounting hole. The toilet bowl cleaning apparatus according to claim 1, which is accessible.   The toilet bowl washing | cleaning apparatus of Claim 1 or Claim 2 which has a water discharge part fixing engagement member which fixes the said water discharge part to the said fixing member by engaging with the said water discharge part and the said fixing member.   The toilet flushing apparatus according to claim 3, wherein the water discharger fixing engaging member is engaged with the water discharger and the fixing member outside the tank cover.

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