JP6655901B2 - Toilet bowl cleaning equipment - Google Patents

Description

  The present invention relates to a toilet flushing device.

  Conventionally, a toilet flushing device for flushing a toilet has a flush water tank and a tank cover that covers the flush water tank. The washing water tank is attached to a base plate provided on the rear upper surface of the toilet body. The tank cover is fixed to the base plate so as to cover the washing water tank from above the base plate (for example, see Patent Documents 1 and 2).

JP 2006-283481 A JP 2003-160960 A

  However, in the conventional toilet bowl washing apparatus, when the tank cover is covered from above the base plate so as to cover the washing water tank and then fixed to the base plate, a positional shift occurs in the horizontal direction, and the tank cover is easily attached to the base plate. May not be installed. Specifically, in the case of a configuration in which the tank cover and the base plate are fixed with screws, the tank cover is easily attached to the base plate due to a displacement between the screw holes of the tank cover and the screw holes of the base plate. Can not. In addition, the misalignment between the tank cover and the base plate causes the tank cover to interfere with other components such as electric components, thereby damaging the other components, or causing the misalignment of the tank cover to move the base cover. May be assembled.

  The present invention has been made in view of the above, and an object of the present invention is to provide a toilet bowl cleaning device that prevents horizontal displacement when a tank cover is fixed to a base plate, and facilitates fixing. Is to do.

  In order to achieve the above object, the present invention provides a toilet body (for example, a toilet body 11 described later), a base plate (for example, a base plate 20 described later) attached to a rear upper surface of the toilet body, and washing water attached to the base plate. A toilet flushing device (for example, a flushing device 100 described later) including a tank (for example, a flushing water tank 30 described later) and a tank cover (for example, a tank cover 50 described later) that covers the flushing water tank. The tank cover is not divided into an upper part and a lower part, and is integrally formed vertically. The base plate has at least two guide parts (for example, a guide described later) for guiding the tank cover to a predetermined position with respect to the base plate. A toilet flushing device having a part 23) is provided.

  It is preferable that the guide portion protrudes from a peripheral wall (for example, a peripheral wall 22 described later) that rises upward from the base plate.

  It is preferable that the guide portion has a guide surface portion (for example, inclined surfaces 235 and 236 to be described later) extending downward from the inside of the peripheral wall to the outside of the peripheral wall.

  It is preferable that the base plate includes a bottom plate portion having a rectangular shape (for example, a bottom plate portion 21 described later), and the guide portion exists at at least two corners of the bottom plate portion.

  The base plate includes a bottom plate portion having a rectangular shape having a pair of sides extending in the front-rear direction (for example, a bottom plate portion 21 described later), and the guide portion includes both corners of front ends of the pair of sides of the bottom plate portion. Preferably, it is present in a part and a part in the middle of each of the pair of sides of the bottom plate part.

  The tank cover includes a cover-side guide portion (for example, a horizontal guide portion 531 described later) for guiding a tank-side guided portion (for example, a water pipe support member 34 described later) connected to the washing water tank. It is preferable that the guide portion has a positional relationship inside the tank cover, wherein the guide portion starts to be guided by the cover side guide portion after the tank cover starts to be guided by the guide portion.

  It is preferable that a height from an upper end of the guide portion to an upper end of the tank-side guided portion is shorter than a height from a lower end of the tank cover to the cover-side guide portion.

  ADVANTAGE OF THE INVENTION According to this invention, when fixing a tank cover to a base plate, it can prevent that a positional shift in a horizontal direction arises, and can provide the toilet bowl washing apparatus which makes fixing easy.

It is a perspective view of toilet bowl washing device 100 concerning one embodiment of the present invention. 1 is an exploded perspective view of a toilet bowl cleaning device 100 according to an embodiment of the present invention. It is a perspective view which shows the base plate 20 of the toilet bowl washing apparatus 100 which concerns on the said embodiment. It is a rear view showing tank cover 50 of toilet bowl washing device 100 concerning the above-mentioned embodiment. It is a lower perspective view showing the inside of tank cover 50 of toilet bowl cleaning device 100 concerning the above-mentioned embodiment. It is a perspective view which shows the water pipe support member 34 of the toilet flushing apparatus 100 which concerns on the said embodiment. It is a side view which shows the connection member 38 of the toilet flushing 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 apparatus 100 which concerns on the said embodiment. It is a perspective view showing signs that water guide pipe support member 34 of toilet bowl washing device 100 concerning the above-mentioned embodiment is fixed to tank main part 31 of washing water tank 30. It is a rear perspective view which shows the clamping part 341 of the water pipe support member 34 of the toilet bowl washing apparatus 100 which concerns on the said embodiment. It is a front perspective view which shows the clamping part 341 of the water pipe support member 34 of the toilet bowl washing 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 pipe support member 34 of the toilet flushing apparatus 100 which concerns on the said embodiment. It is a front view which shows the spout pipe clip 44 of the toilet bowl washing apparatus 100 which concerns on the said embodiment. It is a downward perspective view showing the water discharge pipe fixing part 43 of the toilet bowl cleaning device 100 according to the embodiment. It is a side perspective view showing the water discharge pipe fixing part 43 of the toilet bowl cleaning device 100 according to the embodiment. It is an expanded sectional view showing signs that a spout pipe fixing part 43 of toilet bowl cleaning device 100 concerning the above-mentioned embodiment is connected to tank cover 50. It is an expanded sectional view showing signs that water pipe guide part 421 of hand wash water pipe 42 was inserted in water pipe fixing part 43 of toilet bowl washing device 100 concerning the above-mentioned embodiment. It is a principal part expanded sectional view which shows a mode that the water discharge pipe | tube guide part 421 of the hand-wash water discharge pipe 42 was inserted in the water discharge pipe fixing part 43 of the toilet flushing 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, an overall configuration of a toilet bowl cleaning device 100 according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of a toilet flushing apparatus 100 according to one embodiment of the present invention. FIG. 2 is an exploded perspective view of the toilet bowl cleaning apparatus 100 according to one embodiment of the present invention.

  As shown in FIGS. 1 and 2, the toilet flushing apparatus 100 of the present embodiment includes a toilet 10, a base plate 20, a flush water tank 30, a hand washing section 40, a tank cover 50, a water supply section 60, And a flow operation mechanism 70 having a dial portion 71.

  The toilet 10 includes a toilet body 11, a toilet seat 12 and a toilet lid 13 which are attached to the upper part of the toilet body 11 so as to be openable and closable with respect to the toilet body 11.

The base plate 20 is attached to a rear upper surface of the toilet body 11. A washing water tank 30 is arranged above the base plate 20.
As shown in FIG. 2, an operation dial 71 of a flow operation mechanism 70 described below is attached to the base plate 20. The operation dial section 71 can perform an operation of adjusting the flow of water flowing through a water supply flow path section (not shown) for supplying wash water to the wash water tank 30 from a water supply section 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 channel by operating the operation dial 71. Thus, for example, in an area where there is a risk of freezing of the water supply unit 60 in winter, such as a cold region, a small amount of water can be continuously circulated through the water supply flow path unit to prevent the water supply unit 60 from freezing. Note that the toilet bowl cleaning device 100 may not have the flow operation mechanism 70.

  The wash water tank 30 is disposed above and behind the base plate 20 and behind the toilet 10, is attached to the base plate 20, and stores wash water for washing the toilet body 11. As shown in FIG. 2, the washing water tank 30 includes a tank body 31 having an open upper surface, and a lid 32 disposed on the upper surface of the tank body 31 and covering the upper surface of the tank body 31.

As shown in FIG. 2, a water supply unit 60 is disposed inside the washing water tank 30 described above. The cleaning water is supplied to the cleaning water tank 30 via a water supply unit 60.
Further, a drain port (not shown) which is opened and closed by a float valve (not shown) is formed in a lower portion of the tank body 31. Then, by raising the float valve to open the drain port, the washing 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 section 40 is arranged above the washing water tank 30. The hand washing section 40 includes a hand washing bowl section 41, a hand washing spout pipe 42, a spout pipe fixing section 43, and a spout clip 44.

  The hand washing bowl portion 41 is constituted by a part of an upper cover portion 51 (described later) of the tank cover 50. The hand-washing bowl 41 receives hand-washing water discharged from the hand-washing spout 42. A drain port (not shown) is formed at the bottom of the hand washing bowl section 41.

The handwash spout 42 is disposed so as to protrude forward from the front surface on the back side of the handwash bowl portion 41. The distal end of the hand-washing spout 42 opens downward.
The hand-washing spout 42 is fixed by a spout clip 44 in a state where the base end is attached to a spout fixing portion 43 fixed to a spout mounting hole 41 a formed on the back side of the hand-washing bowl 41. Is done.

A part of the washing water supplied to the washing water tank 30 is supplied to the hand washing spout pipe 42 through the hand washing side water supply pipe 33 to the hand washing section 40 described above. Thereby, when the washing water is stored in the washing water tank 30 by the operation of the water supply unit 60, a part of the stored washing water is discharged from the hand washing water discharge pipe 42.
The drainage discharged from the hand-washing section 40 is discharged to the washing water tank 30 via a hand-washing-side drain pipe (not shown).

  The tank cover 50 has an upper cover part 51 and a lower cover part 52. In the tank cover 50, the upper cover part 51 and the lower cover part 52 are not divided into an upper part and a lower part. . Therefore, the tank cover 50 does not include a plurality of separable members, for example, the lower cover 52 is separated from the upper cover 51.

The upper cover part 51 includes the hand-washing bowl part 41 of the hand-washing part 40. The upper cover part 51 is arranged above the tank cover 50 and is formed so as to cover the upper part of the tank cover 50.
The lower cover part 52 is formed in a square cylindrical shape. The lower cover part 52 is formed so as to surround the periphery of the washing water tank 30.

When the tank cover 50 is put on the washing water tank 30, the washing water tank 30 is arranged on the upper part of the base plate 20 as shown in FIG.
In this state, the tank cover 50 is put on the washing water tank 30 so as to cover the washing water tank 30, and the lower end of the tank cover 50 is attached to the base plate 20.
Then, the spout fixing portion 43 is attached to the spout attaching hole 41 a of the hand washing bowl portion 41, and the hand washing spout 42 is attached to the spout fixing portion 43. After that, the hand-washing water discharge pipe 42 is fixed to the water discharge pipe fixing part 43 by using the water discharge pipe clip 44. Further, on one side of the tank cover 50, a cleaning operation lever handle 81 is attached to the cleaning operation section 82 from outside the tank cover 50.
In this way, as shown in FIG. 1, the tank cover 50 is put on the washing water tank 30 so as to cover the washing water tank 30.

  Next, each part will be described in detail. In the following description, the direction from the washing water tank 30 to the toilet 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. The direction from the lower cover part 52 to the upper cover part 51 (upward 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. 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 (the lower left direction in FIG. 1) is defined as the left direction. The direction is defined as the right direction, and these are defined as the left and right directions.

  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 device 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. A plurality of convex portions 212 for fixing the cleaning 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 peripheral edge of the base plate 20 and exists so as to surround the entire periphery of the base plate 20. A rib 221 is 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 21 and has a substantially triangular plate shape when viewed from a direction along the periphery of the bottom plate 21. At four corners of the bottom plate portion 21, predetermined positioning protrusions 213 projecting outward from the peripheral wall 22 in a direction along the upper surface of the bottom plate portion 21 are provided. The predetermined positioning convex portion 213 has a shape along the curved shape of the four corners of the bottom plate portion 21 and projects slightly outward.

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

  More specifically, the guide portion 23 includes a pair of side wall portions 231 having a substantially trapezoidal shape and the same shape, and a back wall portion 232 having a rectangular shape. The side edges on the side are integrally formed and connected to the rear side wall portion 232. The pair of lateral side wall portions 231 and the rear side wall portion 232 extend upward from the bottom plate portion 21 and protrude above the peripheral wall 22. Therefore, the guide portion 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 rear side wall portion 232 is located at the highest position, and extends from the upper end of the rear side wall portion 232 to the upper side of the lateral side wall portion 231 in parallel with the upper surface of the bottom plate portion 21. An inclined surface 235 that gradually extends downward is formed by the upper end of the rear side wall portion 232 and the upper end of the horizontal side wall portion 231. The inclined surface 235 is curved in an arc shape and is connected to a side edge of the lateral side wall 231. The side edge of the side wall portion 231 is formed by an inclined surface 236 that extends sharply downward toward the outside 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 side wall portion 231 is integrally formed and connected to the peripheral wall 22. These inclined surfaces 235 and 236 constitute a guide surface portion. The guide portion 23 is located at 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 edge of the tank cover 50 abuts the predetermined positioning protrusion 213 (hereinafter referred to as a “cover The tank cover 50 is guided so as to approach “fixed position”)).

  At the lower left and right ends of the base plate 20, screw holes 222 formed by through holes are formed. The screw holes 222 are formed at two positions, that is, a central position in the front-rear direction and a position closer to the front in the left and right lower end portions of the base plate 20, and a total of four positions are formed on the left and right.

  As shown in FIG. 4, the tank cover 50 is formed by integrally molding the upper cover 51 and the lower cover 52 as described above. FIG. 4 is a rear view showing the tank cover 50 of the toilet bowl cleaning device 100 according to the present embodiment. The upper cover part 51 is formed with only a back slit part 511 having a large number of slits and a water discharge pipe mounting hole 41a (see FIG. 2) as through holes communicating between the outside and the inside of the tank cover 50. Since each slit of the rear slit portion 511 is extremely thin, it is impossible to access the connecting member 38 and the like described later through the rear slit portion 511 and adjust the position of the connecting member 38 and the like described later. Further, since the hand-washing spout pipe 42 is attached to the spout pipe mounting hole 41a, when the hand-washing spout pipe 42 is attached, the connection member 38 and the like described below are accessed through the spout pipe mounting hole 41a and the connection described later is performed. The position of the member 38 and the like cannot be adjusted. That is, the tank cover 50 is attached to and fixed to the base plate 20, thereby making it impossible to access members inside the tank cover 50 from outside the tank cover 50 and adjusting the position of the members inside the tank cover 50. Disabled.

  As shown in FIGS. 4 and 5, the upper cover 51 of the tank cover 50 has a horizontal guide portion 531 and a restricting portion 535 that form cover side guide portions, respectively. 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 guide portion 531 is formed of a pair of plate-shaped members having an L-shape when viewed from the bottom, and exists in a symmetrical positional relationship with respect to the center of the tank cover 50 in the left-right direction.

  More specifically, the horizontal guide 531 includes a front-rear guide plate 532 and a left-right guide plate 533. The front-rear direction guide plate portion 532 has a positional relationship parallel to the front-rear direction and the up-down direction. The left-right guide plate portion 533 has a positional relationship parallel to the left-right direction and the up-down direction. The front-rear direction guide plate portion 532 is provided inside the tank cover 50 by being formed integrally with the back wall 501 and the upper wall 502 of the tank cover 50. The left-right guide plate portion 533 is provided inside the tank cover 50 by being formed integrally with the upper wall 502 of the tank cover 50. The left and right guide plate portions 533 of the pair of horizontal guide portions 531 have a flush positional relationship. As shown in FIG. 4, the lower edge of the left and right guide plate portions 533 of the pair of horizontal guide portions 531 has an inclined surface 534 that is inclined upward as approaching the center of the tank cover 50 in the left and right direction. ing. A sidewall upper protruding portion 365 of the water pipe support member 34 described below can contact the inclined surface 534, and the sidewall upper protruding 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 pipe support member 34 with respect to the tank cover 50, and moves the connecting member 38 supported by the water pipe support member 34 to a predetermined position in the horizontal direction with respect to the tank cover 50. To guide.

  After the tank cover 50 starts to be guided by the guide portion 23, the positional relationship in which the side wall upper projecting portion 365 as the tank-side guided portion starts to be guided by the horizontal guide portion 531 as the cover-side guide portion and the regulating portion 535 is guided. The part 23 has.

  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 the support member support portion 361 (the upper end of the side wall upper protruding portion 365) described later is measured from the lower end of the tank cover 50 to the tank. The height is shorter than the lowermost end of the horizontal guide portion 531 of the cover 50 (the lowermost end of the lower edge of the left-right guide plate portion 533 of the horizontal guide portion 531), and the lower end surface of the bottom plate portion 21 of the base plate 20 ( The height from the upper surface of the predetermined positioning convex portion 213) to the upper end of the connecting portion 381 when no external force is applied to the spring 395 of the connecting member 38 described later, from the lower end of the tank cover 50 to the tank cover 50 The height of the lower end surface of the connecting portion contact portion plate portion 536 of the regulating portion 535 is longer than the height of the portion forming the arc-shaped concave portion to the uppermost end.

  The restricting portion 535 has a connecting portion contact portion plate portion 536 and a connecting portion front-rear direction fixing portion 538. The connecting portion contact portion plate portion 536 has a single plate shape having a positional relationship parallel to the left-right direction and the up-down direction, and the lower end portion of the connecting portion contact portion plate portion 536 has a convex upward. An arc-shaped concave portion 537 to be drawn is formed. The upper end of the connection portion 381 of the connection member 38 can contact the recess 537. The connecting portion front-rear direction fixing portion 538 has a pair of plate shapes having a positional relationship parallel to the front-rear direction and the vertical direction, and exists in a left-right symmetrical positional relationship about the center of the tank cover 50 in the left-right direction. are 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 projecting downward. In front of the pair of convex portions 539, the upper end of the connecting portion 381 of the connecting member 38 is separated from the convex portion 539 and the connecting portion front-rear direction fixing portion 538 and abuts on the lower end portion of the connecting portion contact portion plate portion 536. It is arranged in a state. That is, the restricting portion 535 restricts the position of the connecting portion 381 from above the connecting portion 381.

  As shown in FIG. 2, the hand washing section 40 of the tank cover 50 is formed with a water discharge pipe mounting hole 41 a for mounting a hand water discharge pipe 42. The water discharge pipe mounting hole 41a has a substantially circular opening. The portion of the hand washing portion 40 of the tank cover 50 forming the water discharge pipe mounting hole 41a forms a peripheral portion of the mounting portion. Further, screw holes 522 formed by through holes are formed at lower left and right ends of the tank cover 50. The screw holes 522 are formed at two positions, that is, a central position in the front-rear direction and a position closer to the front in the left and right lower end portions of the tank cover 50, for a total of four positions.

  As shown in FIG. 9, the upper part of the rear part of the tank body 31, the central part in the left-right direction, has a rear support part 311 for supporting the water pipe support member 34. FIG. 9 is a perspective view illustrating a state in which the water pipe support member 34 of the toilet bowl cleaning device 100 according to the present embodiment is fixed to the tank main body 31 of the cleaning water tank 30. In FIG. 9, for convenience of explanation, only the tank main body 31 and the water pipe support member 34 are shown, and other members are not shown. The rear supporting portion 311 has a retreating portion 312 that is lowered one step backward with respect to a rear recess 314 formed to be depressed inward (forward) of the tank body 31, and the upper edge of the retreating portion 312 has And an engagement projection 313 that projects rearward and extends in the left-right direction along the upper edge. The water pipe support member 34 is supported by the tank body 31 by engaging the water pipe support member 34 with the retreating portion 312.

  As shown in FIG. 6 and the like, the water guide tube support member 34 as the tank-side guided portion has a holding portion 341, an extension portion 351, and a support member support portion 361. FIG. 6 is a perspective view showing the water pipe support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. The holding 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 has a pair of ribs 343 provided on the front surface as shown in FIG. FIG. 10 is a rear perspective view showing the holding portion 341 of the water pipe support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. FIG. 11 is a front perspective view showing the holding portion 341 of the water pipe support member 34 of the toilet bowl cleaning device 100 according to the present embodiment. The rib 343 has a triangular shape in a side view. 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 a linear projection 344 slightly projecting rearward from the rear surface and extending vertically. The linear convex portion 344 extends in the vertical direction at a position near the edge of the substantially flat plate portion 342 in the horizontal direction.

  The wavy plate portion 346 has a plate shape having a wavy shape in a side view. Specifically, as shown in FIG. 10, the corrugated plate portion 346 firstly projects rearward from the upper end of the corrugated plate portion 346, and then extends downward and slightly forward. It then bends forward and extends slightly forward. A step 347 is formed by this portion, and the step 347 can be engaged with the engagement protrusion 313 (see FIG. 9) of the tank body 31. Then, the wavy plate portion 346 bends downward, slightly approaches the substantially flat plate portion 342, and then curves backward to reach the lower end of the wavy plate portion 346. In a state where the retreating portion 312 is sandwiched between the substantially flat plate portion 342 and the corrugated plate portion 346 having the above configuration, the corrugated plate portion 346 engages with the engaging protruding portion 313 of the tank body 31 as described above. The water pipe support member 34 is attached so as not to easily come off from the tank main body 31 and can be fixed to the tank main body 31. In addition, by pulling the corrugated plate portion 346 backward and disengaging the corrugated plate portion 346 from the engagement protruding portion 313 of the tank body 31, the water guide tube support member 34 can be removed from the tank body 31. is there.

  The extension portion 351 has a shape obtained by dividing a substantially quadrangular prism in half, and extends in the up-down direction. The lower end of the extending portion 351 is connected to the holding portion 341 by being integrally formed therewith. The upper end of the extension 351 is connected to the support member support 361 by being integrally formed therewith. In the space surrounded by the side wall of the extension 351, as shown in FIG. 8 and the like, a hand-washing-side water supply pipe 33 for supplying the hand-washing water discharged from the hand-washing water discharging pipe 42 to the hand-washing water discharging pipe 42 can be accommodated. is there. FIG. 8 is a perspective view showing a state where the connection member 38 is supported by the water pipe support member 34 of the toilet bowl cleaning device 100 according to the present embodiment.

  As shown in FIG. 8 and the like, the support member support portion 361 has a partition wall portion 362, a middle wall 363, a connection member guide portion 364, and a sidewall upper protrusion portion 365. The partition wall portion 362 is configured by a wall portion that can accommodate the hand-washing-side water supply pipe 33 and that forms an upper end portion of a space surrounded by the side wall of the extension portion 351. A notch 366 that penetrates the partition 362 in the vertical direction is formed at the center of the partition 362. The middle wall 363 is formed by a pair of wall portions extending upward from a center position in the front-rear direction of the partition wall portion 362. The middle wall 363 has a positional relationship parallel to the up-down direction and the left-right direction, and has a rectangular shape elongated in the up-down direction. Connection member guides 364 are provided at the edges of the opposing side portions of the pair of middle walls 363, respectively. The connection member guide portion 364 has a shape as if a cylinder is divided along the axial direction, and has an arc shape in a plan view. The pair of connecting member guides 364 form a virtual columnar space in which the axis is directed vertically. In this space, a portion of the connection member 38, which is above the lower end of the spring 395, is accommodated. The connection member guide portion 364 connects this portion of the connection member 38 to the connection member guide portion 364. , So as to be slidable up and down. The side wall upper protruding portion 365 has a pair of plate shapes, extends upward from both left and right ends of the upper end portion of the middle wall 363, and includes a hand-washing spout 42 as a spouting portion, and a hand-washing side. The water supply pipe 33 extends to a connection position with the connection portion 381 of the connection member 38 to which the water supply pipe 33 is connected.

  As shown in FIGS. 7 and 8, the connecting member 38 has a connecting portion 381, a water guiding 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 connection portion 381 has a cylindrical shape with a rear end closed, and the connection portion 381 has a positional relationship in which the axis of the connection portion 381 is directed in the front-rear direction. Around the opening at the front end of the connecting portion 381 to be opened, a flange portion 382 is provided.

  The water guide 384 has a substantially cylindrical shape whose upper end and lower end are respectively opened. The water guide 384 has a positional relationship in which the axis of the water guide 384 is oriented in the up-down direction. The upper end of the water guide 384 is connected to the lower part of the rear part of the connecting part 381 by being integrally formed. Thus, the space inside the water guide section 384 and the space inside the connection section 381 communicate with each other. Ribs 385 that extend from the connecting portion 381 to the lower portion of the water guiding portion 384 are provided on left and right side surfaces of the water guiding portion 384, respectively. In addition, a double flange portion 386 is provided at the top and bottom of the water guide portion 384. The double flange portion 386 is provided at a portion slightly lower than the upper end portion of the water guide portion 384. The double flange portion 386 is vertically slidable with respect to the pair of connection member guide portions 364 (see FIG. 8).

  Further, spring guides 387 are provided on the front surface and the rear surface of the water guide portion 384. The spring guide 387 extends from the double flange portion 386 to the middle of the water guide portion 384. The lower end of the spring guide 387 has a hook portion 388 that projects 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 exists between the hook portion 388 and the double flange portion 386. The upper end of the spring 395 is in contact with the double flange 386. The lower end of the spring 395 is in contact with the hook 388. The lower end of the spring 395 contacts 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.

  When the connecting portion 381 contacts the connecting portion contact portion plate portion 536 of the regulating portion 535 of the tank cover 50, the spring 395 as an elastic member is elastically deformed, and the connecting member 38 is connected to the connecting member guide portion 364. By sliding in the vertical direction, the position of the connecting portion 381 can be adjusted in the vertical direction with respect to the water pipe support member 34. The range in which the position of the connecting portion 381 can be adjusted by the elastic deformation of the spring 395 is set to a range in which variations in products 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-wash water discharge pipe 42 as a water discharge portion.

  As described above, the tank cover 50 and the connection member 38 include the 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 includes a horizontal guide section 531, a regulating section 535, a spring 395, and the guide section 23.

  As shown in FIG. 7, a lower flange 390 is provided at a lower portion of the water guide section 384. A retaining portion 391 is formed in a lower portion of the water guide portion 384 and below the lower flange 390 to prevent the upper end portion of the hand-washing side water supply pipe 33 from easily falling out of the lower portion of the water guide portion 384. I have. The lower part of the water guiding part 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 guide section 384 and the hand-washing water supply pipe 33 as water pipes for guiding water to the hand-wash water discharge pipe 42. And since the water guide part 384 of the connecting member 38 to which the hand-washing side water supply pipe 33 is connected is detachable from the water guide pipe support member 34, the water guide pipe is connected to the water guide part 384 and guides water to the water discharge part. The water supply pipe 33 on the hand washing side is also detachable from the water pipe support member 34. That is, since the water pipe support member 34 is fixed to the tank body 31 of the washing water tank 30, the water guide section 384 of the connection member 38 and the hand-washing side water supply pipe 33 are detachable from the tank body 31.

  As shown in FIG. 17 and the like, the hand-washing water discharge pipe 42 has a water discharge pipe water guiding portion 421 extending rearward. FIG. 17 is an enlarged cross-sectional view showing a state in which the water discharge pipe guiding part 421 of the hand-wash 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 guide 421 has a substantially cylindrical shape. The water discharge pipe guiding 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 guiding 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 the packing (not shown) interposed, and the inside of the connection part 381 is directly connected to the inside of the water discharge pipe water guide part 421. Communicating. Therefore, the water discharge pipe water guide 421 is connected to the hand-washing water supply pipe 33 (see FIG. 8 and the like) serving as a water pipe inside the tank cover 50 through the connection member 38. As shown in FIG. 12, a through hole 422 is formed in a lower portion of the hand washing and discharging pipe 42. From the through hole 422, the spout clip 44 can be inserted into the hand-wash spout 42. FIG. 12 is a front view showing the positional relationship between the hand-washing spout 42 and the water pipe supporting member 34 of the toilet flushing apparatus 100 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 part 43 as a fixing member has a fixing part tubular part 431, a front plate part 432, and a rear plate part 433. FIG. 14 is a lower perspective view showing the water discharge pipe fixing part 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 part 43 of the toilet bowl cleaning device 100 according to the present embodiment. The water discharge pipe fixing portion 43 does not have a water guiding function, and is for fixing the hand-wash water discharge pipe 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 connecting member 38 without passing through the water discharge pipe fixing part 43.

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

  The front plate-shaped 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 in the center of a long side located on the upper side. The curved convex portion 4321 is formed so as to protrude rearward from the front plate portion 432 to a substantially intermediate position between the front plate portion 432 and the rear plate portion 433. As shown in FIG. 14, a rectangular parallelepiped concave portion 4322 in which the inner peripheral surface of the fixed portion cylindrical portion 431 is depressed outwardly of the fixed portion cylindrical portion 431 is formed in the curved convex portion 4321 as shown in FIG. Have been. The lower end of the front plate-shaped portion 432 (the lower end of the front plate-shaped portion 432 shown in FIG. 15) has a slope cut from the upper front to the lower rear, that is, the normal of the slope is changed from the lower front to the lower rear. Has a slope directed upward.

  On the back surface of the front plate-shaped portion 432, a front clip positioning projection 4323 is provided. Four front clip positioning projections 4323 are provided on the upper and lower portions of the rear surface of the front plate-shaped portion 432, one each on the right and left sides of the fixed portion tubular portion 431, for a total of four. The front clip positioning projections 4323 each have a linear shape extending in the left-right direction, and slightly project rearward from the rear surface of the front plate-shaped portion 432. The projection amounts of the four front clip positioning projections 4323 from the rear surface of the front plate portion 432 are all the same.

  The rear plate portion 433 has a substantially rectangular plate shape in a front view. On the front surface of the rear plate portion 433, a rear clip positioning convex portion 4331 is provided. The rear clip positioning convex portion 4331 is located around the fixed portion tubular portion 431 on the front surface of the rear plate-shaped portion 433, three on the right side of the fixed portion tubular portion 431, three on the left side, and on the lower side. One, seven in total. The rear clip positioning projections 4331 each have a linear shape extending in the left-right direction, and protrude forward from the front surface of the rear plate-shaped portion 433. Further, at the center position in the left-right direction of the rear clip positioning convex portion 4331 provided below the fixed portion cylindrical portion 431, the rear clip positioning convex portion 4331 is moved from the rear clip positioning convex portion 4331 to the fixed portion cylindrical portion 431. A centrally extending projection 4332 extending toward the center is provided. The amount of protrusion of the rear clip positioning convex portion 4331 from the front surface of the rear plate-shaped portion 433 increases as going upward.

  The fixing portion tubular portion 431 has a clip engagement corner portion 4311, a rear flange portion 4312, a rear end hook portion 4313, and a positioning projection 4314. A pair of clip engaging corners 4311 are provided, one each on the left and right of the upper surface of the fixed part tubular part 431 located between the front plate part 432 and the rear plate part 433 in the front-rear direction. It is constituted by a horn-shaped portion formed by a plane extending in the vertical direction and a plane extending in the horizontal direction intersect. The rear flange portion 4312 has a flange shape slightly projecting radially outward of the fixed cylindrical portion 431 from the fixed cylindrical portion 431 immediately behind the rear plate portion 433. The rear end hook portions 4313 are present one by one on the left and right at the rear end of the fixed portion tubular portion 431, and the wedges increase in the radial direction thickness of the fixed portion tubular portion 431 toward the front. It has a shape. The positioning projection 4314 is formed by a projection extending downward from the rear end of the fixed portion tubular portion 431. The positioning convex part 4314 is provided with a water discharging pipe fixing hole so that the water discharging pipe fixing part 43 does not rotate in the water discharging pipe mounting hole 41a when the water discharging pipe fixing part 43 is mounted on the water discharging pipe mounting hole 41a. It engages with an engagement recess 41b formed in the lower part of 41a.

  As shown in FIG. 13, the water discharge pipe clip 44 as the water discharge portion fixing engagement member has a lower end plate-shaped portion 441, a base plate-shaped portion 444, and a U-shaped engagement portion 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-shaped portion 441 has a substantially rectangular plate shape that matches a through-hole 422 (see FIG. 12 and the like) formed in the lower part of the rear part of the handwash spout 42. As described later, the U-shaped engaging portion 446 is inserted into the through-hole 422 and the through-hole 422 is closed when the U-shaped engaging portion 446 is engaged with the fixed portion tubular portion 431. Have been. A through hole 442 having a rectangular opening is formed at the center of the lower end plate portion 441. The base plate portion 444 has a plate shape having a positional relationship intersecting with the lower end plate portion 441. The lower end of the base plate 444 is connected to the upper surface of the lower plate 441 by being formed integrally therewith. The upper end of the base plate portion 444 is connected to the central portion of the U-shaped engaging portion 446 by being formed integrally therewith.

  The U-shaped engaging portion 446 has a plate-shaped U-shape having a predetermined width in the front-rear direction. The pair of distal ends of the U-shaped engaging portion 446 are provided with fixing projections 447 that protrude from one of the distal ends in a direction approaching the other of the distal ends. The fixing projection 447 engages with the clip engaging corner 4311 of the water discharge pipe fixing part 43. In addition, a positioning protrusion 448 is provided at the center of the U-shaped engaging portion 446. The positioning projection 448 projects upward in the direction away from the base plate-shaped portion 444 in a substantially rectangular parallelepiped shape from the center of the U-shaped engagement portion 446, and contacts the fixed portion tubular portion 431. In contact therewith, the positioning of the water discharge pipe clip 44 with respect to the fixed portion tubular portion 431 is performed.

  An assembly method of the toilet bowl cleaning apparatus 100 according to the present embodiment having the above-described configuration, that is, a construction method including a step of covering the washing water tank 30 with the tank cover 50 and attaching the water discharging section to the tank cover 50 will be described. First, as shown in FIG. 2, a washing water tank 30 and the like are attached and fixed to a base plate 20 attached to a rear upper surface of the toilet body 11. Next, the tank cover 50 is covered from above the base plate 20 so as to cover the washing water tank 30. At this time, the inner surfaces of the two corners at the front of the lower opening of the tank cover 50 abut against the guide surfaces (inclined surfaces 235, 236) of the two guides 23 located at the front of the base plate 20. And slide it. 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 of the base plate 20 in the front-rear direction, and are slid. Thereby, the lower portion of the tank cover 50 is guided by the guide surface portion, and the tank cover 50 is guided so as to gradually approach the cover fixing position.

  As described above, when the tank cover 50 starts to be guided to the cover fixing position, the upper end portion of the side wall upper protruding portion 365 of the support member supporting portion 361 becomes the horizontal guide plate portion of the horizontal guide portion 531 inside the tank cover 50. 533 slides in contact with the inclined surface. 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 guide plate portion 533 and the connecting portion contact portion plate portion 536 of the regulating portion 535, respectively.

  The upper end of the connecting portion 381 of the connecting member 38 comes into contact with the connecting portion front-rear direction fixing portion 538 of the regulating portion 535 and the upper end of the connecting portion 381 contacts the arc-shaped concave portion 537 of the lower end of the connecting portion contact portion plate 536. Touch Further, the tank cover 50 is further moved downward and guided to approach the cover fixing position. At this time, since the upper end of the connection portion 381 of the connection member 38 is in contact with the connection portion contact portion plate portion 536 of the regulating portion 535, the connection portion front-rear direction fixing portion 538 and the connection portion contact portion plate portion 536 are provided. Is pressed downward. Since the connection member 38 has the 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 connecting portion 381 of the connecting member 38 has a positional relationship that matches the water discharge pipe mounting hole 41a in a front view. Further, when viewed from the side, the screw hole 222 of the base plate 20 and the screw hole 522 of the tank cover 50 have the same positional relationship.

  Next, as shown in FIG. 16, from the outside of the tank cover 50, the fixing portion tubular portion 431 of the water discharge pipe fixing portion 43 is moved from the rear end of the fixing portion tubular portion 431 (from the rear end hook portion 4313). ) Inserting into the water discharge pipe mounting hole 41a, pushing the rear end hook portion 4313 into the water discharge pipe mounting hole 41a, and engaging and fixing the peripheral part of the water discharge pipe mounting hole 41a. FIG. 16 is an enlarged cross-sectional view showing a state where the water discharge pipe fixing portion 43 of the toilet bowl cleaning device 100 according to the present embodiment is connected to the tank cover 50. In this state, since nothing is inserted into the space formed by the inner peripheral surface of the fixed portion tubular portion 431, the rear end hook portion 4313 is located radially inward of the fixed portion tubular portion 431. , And the engagement of the rear end hook portion 4313 with the portion around the water discharge pipe mounting hole 41a is easily released.

  Next, the water discharge pipe water guiding part 421 of the hand washing water discharge pipe 42 was 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 formed by the fixed part cylindrical part 431. The water discharge pipe water guide part 421 is connected to the connection part 381 of the connection member 38 through the through hole. As a result, as shown in FIG. 17, the space surrounded by the inner peripheral surface of the fixed portion tubular portion 431 is in a state where the water discharge pipe water guiding portion 421 is filled. As a result, as shown in FIG. 18, the rear end hook portion 4313 immediately moves inward in the radial direction of the fixed portion tubular portion 431 (in the direction indicated by the arrow A in FIG. 18), so that the water discharge pipe water supply can be immediately performed. Since it comes into contact with the side surface of the portion 421, the fixed portion cylindrical portion 431 can hardly be moved inward in the radial direction. FIG. 18 is a main part enlarged cross-sectional view showing a state in which the water discharge pipe water guiding part 421 of the hand wash 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 section 421 of the hand-wash water discharge pipe 42 inserted in the water discharge pipe fixing section 43 is located around the mounting hole of the rear end hook 4313 (the tank forming the water discharge pipe mounting hole 41a). The rear end hook portion 4313 can be prevented from moving in a direction in which the cover 50 is disengaged from the hand washing portion 40). Thereby, the state where the rear end hook portion 4313 is engaged with the portion around the water discharge pipe mounting hole 41a is maintained, and the rear end hook portion 4313 is hard to come off from the portion around the water discharge pipe mounting hole 41a. The state is maintained. When connecting the water discharge pipe water guide 421 to the connection 381 of the connection member 38, the water discharge pipe water supply 421 is pushed in, so that the connection 381 is pressed rearward. The portion abuts on the convex portion 539 of the connecting portion front-rear direction fixing portion 538, whereby the rearward movement of the connecting portion 381 is regulated.

  Next, the spout clip 44 is inserted from the U-shaped engaging portion 446 into a through hole 422 formed in the lower part of the rear part of the handwash spout 42. Then, the U-shaped engaging portion 446 (see FIG. 13) of the water discharge pipe clip 44 is moved upward from below in 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 of opening upward. At this time, a pair of U-shaped engagement portions 446 are provided on the front side and the back side of the fixed portion tubular portion 431 shown in FIG. The rear plate-shaped portion 433 is inserted between the front clip positioning convex portion 4331 and the front clip. 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. As a result, the water discharge pipe clip 44 is fixed to the water discharge pipe fixing part 43, and the lower end plate-shaped part 441 of the water discharge pipe clip 44 engages with the through hole 422 formed in the lower part of the rear part of the hand washing water discharge pipe 42. Then, the hand-washing water discharge pipe 42 is set so as not to come off the tank cover 50.

According to the toilet bowl cleaning apparatus according to the embodiment having the above configuration, the following effects can be obtained.
As described above, the toilet flushing device 100 includes the toilet body 11, a base plate 20 attached to the rear upper surface of the toilet body 11, a washing water tank 30 attached to the base plate 20, a tank cover 50 covering the washing water tank 30, , Is provided. The tank cover 50 is not divided into an upper part and a lower part, and is integrally configured vertically. The base plate 20 has at least two guide portions 23 for guiding the tank cover 50 to a predetermined position (cover fixing position) with respect to the base plate 20. .

  With this configuration, when the tank cover 50 is covered from above the base plate 20 with the washing water tank 30, and the tank cover 50 is covered with the washing portion 30 by the guide portion 23, the cover fixing position can be adjusted with high accuracy. Can guide you. For this reason, 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 matched with high accuracy, the tank cover 50 can be easily fixed to the base plate 20 by screws, and the productivity can be improved. In addition, since the displacement between the base plate 20 and the tank cover 50 can be suppressed, interference and erroneous assembly between the tank cover 50 and other components can be prevented, and the quality can be improved.

  The guide portion 23 projects 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. In addition, the tank cover 50 can be guided by the guide portion 23. Thereby, the tank cover 50 can be positioned at a predetermined position with respect to the peripheral wall 22 with high accuracy.

  The guide portion 23 has a guide surface portion (inclined surfaces 235, 236) extending downward from the inside of the peripheral wall 22 to the outside of the peripheral wall 22 and extending downward. With this configuration, the tank cover 50 that has begun to be guided by the guide portion 23 inside the peripheral wall 22 in the direction along the bottom plate portion 21 can be guided to the outside of the peripheral wall 22.

  Further, the base plate 20 includes a bottom plate portion 21 having a rectangular shape, and the guide portions 23 exist at at least two corners of the bottom plate portion 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 portions in the middle of each 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 includes a horizontal guide portion 531 as a cover-side guide portion and a regulating portion 535 as a cover-side guide portion for guiding the water guide tube support member 34 as a tank-side guided portion connected to the washing water tank 30. Inside. After the tank cover 50 starts to be guided by the guide portion 23, the guide portion has a positional relationship in which the tank-side guided portion starts to be guided by the cover-side guide portion.

  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, the tank cover 50 starts to be guided by the guide portion 23, The guide portion (water guide tube support member 34) can be guided by the cover-side guide portion (horizontal guide portion 531 and regulating portion 535). For this reason, during 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 (the water pipe support) is set. The member 34) is guided by the cover-side guide portion (horizontal guide portion 531 and regulating portion 535) to position the tank-side guided portion (water guide tube support member 34) with respect to the tank cover 50 with high accuracy. Can be.

  The height from the upper end of the guide portion 23 to the upper end of the tank-side guided portion (the water pipe support member 34) is larger than the height from the lower end of the tank cover 50 to the cover-side guide portion (the horizontal guide portion 531). short.

  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, the tank cover 50 starts to be guided by the guide portion 23, A configuration in which the guide section is guided by the cover-side guide section can be easily realized.

  Further, the toilet flushing device 100 includes a toilet main body 11, a base plate 20 attached to a rear upper surface of the toilet main body 11, a washing water tank 30 attached to the base plate 20, and a hand washing section 40, and a tank covering the washing water tank 30. The cover 50 is connected to the water spouting section (the hand washing spouting pipe 42) provided in the hand washing section 40, the water spouting section and the water guide pipe (the hand washing side water supply pipe 33) that guides water to the spouting section, and is connected to the water spouting section. A connection member 38 having a portion 381. The tank cover 50 is not divided into an upper portion and a lower portion, and is configured integrally with the upper and lower portions. A guide portion 531, a regulating portion 535, a spring 395, and a guide portion 23) are provided.

  With this configuration, the position of the connection 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 and covers the washing water tank 30, In addition, the connection portion 381 can be positioned at a predetermined position with respect to the tank cover 50 with high accuracy. As a result, the water discharge section can be easily connected to the connection section 381 from outside the tank cover 50. As a result, it is possible to use 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 to and fixed to the base plate 20. The attachment and detachment of the base plate 20 to and from the base plate 20 can be facilitated. Further, unlike the related art, the labor for removing the back cover body can be saved, and the design can be improved.

  Further, the connection member 38 includes a spring 395 as an elastic member constituting an adjustment mechanism. When the connection portion 381 contacts the tank cover 50, the spring 395 is elastically deformed, and the position of the connection portion 381 can be adjusted. is there. With this configuration, when the connecting portion 381 contacts the tank cover 50, the spring 395 as an elastic member is elastically deformed, and the connecting portion 381 is moved to a predetermined position with respect to the tank cover 50, that is, the hand washing water discharge pipe 42 is connected to the connecting portion 381. It can be easily positioned at a position where it can be connected.

  Further, the tank cover 50 has a regulating portion 535 inside the tank cover 50 that regulates the position of the connection portion 381 from above the connection portion 381 to constitute an adjustment mechanism. With this configuration, it is possible to easily position the connecting portion 381 in the vertical direction at a predetermined position with respect to the tank cover 50, that is, at a position where the hand-washing spout 42 as the spouting portion can be connected to the connecting portion 381.

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

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

  Further, the toilet flushing device 100 includes a toilet body 11, a base plate 20 attached to a rear upper surface of the toilet body 11, a washing water tank 30 attached to the base plate 20, and a tank cover that includes the hand washing unit 40 and covers the washing water tank 30. 50, a hand-washing spout 42 as a spout provided in the hand-washing section 40, and a hand-washing side water supply pipe 33 as a spout for guiding water to the spout and the spout. A connection member 38 that circulates to the water discharge section, a hand-washing side water supply pipe 33 as a water guide pipe, and a water guide pipe 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, and is integrally configured vertically. The water pipe support member 34 is detachably attached to the washing water tank 30.

  With this configuration, the connecting 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 with respect 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 part provided in a tank cover has a configuration connected to a washing-water tank. However, this connection is not required, and a continuous configuration can be achieved. Therefore, when the tank cover 50 that disables the position adjustment of the members (the connection member 38 and the like) inside the tank cover 50 from the outside of the tank cover 50 is removed, the tank cover 50 can be easily removed. Can be. In addition, when the tank cover 50 covers the washing water tank 30 from above the base plate 20 and covers the washing water tank 30, 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 spout 42 as the spouting section can be easily connected to the connection section 381 from outside the tank cover 50. Further, since the water pipe support member 34 is detachable 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.

  In addition, the hand-washing-side water supply pipe 33 as a water guide pipe is configured by one continuous seamless pipe member having one end connected to the washing water tank 30 and the other end connected to the connection member 38. With 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 as the water guide pipe and the connecting member 38 are detachable from the water guide pipe support member 34. With this configuration, it is not necessary to provide a connection portion between the washing water tank 30 and the hand-washing side water supply pipe 33 as a water pipe, and the hand-washing side water supply pipe 33 as a water pipe is formed as 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 hand-washing-side water supply pipe 33 and the connecting member 38 can be appropriately attached to and detached from the water pipe supporting member 34, so that the degree of freedom of the assembly process of the toilet flushing apparatus 100 can be increased.

Further, in the method of constructing a toilet flushing device, a tank cover that includes a handwashing section 40 provided with a handwash spouting pipe 42 as a spouting section, and covers the flushing water tank 30 attached to the base plate 20 attached to the rear upper surface of the toilet body 11. The method includes a step of covering the washing water tank 30 with the washing water 50 and a step of attaching a hand-washing spout 42 as a spouting section to the hand-washing section 40 of the tank cover 50 from outside the tank cover 50.
The tank cover 50 is not divided into an upper part and a lower part, and is configured integrally with the upper part and the lower part. Before the step of covering the tank cover 50 on the washing water tank 30, the water discharging part A connecting member 38 connected to a hand-washing water supply pipe 42 as a hand-washing water supply pipe 33 and a hand-washing-side water supply pipe 33 serving as a water guide pipe for guiding water to the water discharge section. There is a step of bringing the member 38 and the water discharge pipe 42 into a supported state. With this configuration, assembly of the toilet bowl cleaning device 100 can be facilitated.

  Further, the toilet flushing device 100 includes a toilet body 11, a wash water tank 30 connected to the toilet body 11, a tank cover 50 including a hand washing section 40 and covering the wash water tank 30, and a hand wash from the outside of the wash water tank 30. And a hand-washing spout 42 as a spouting section attached to the section 40. 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 part 43 is fixed to the formed water discharge pipe mounting hole 41a from the outside of the tank cover 50, and fixes a water discharge pipe 42 as a water discharge part to the tank cover 50 as a fixing member. The through hole through which the water guide part (water discharge pipe water guide part 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 water guiding function, it is not necessary to consider sealing properties at a connection portion between the water discharge pipe fixing portion 43 and another member. In addition, a water guiding part (water discharging pipe water guiding part 421) of the water discharging part is inserted into the water discharging pipe fixing part 43, and the water discharging pipe water guiding part 421 is connected to the hand-washing side water supply pipe 33 inside the tank cover 50. It is not necessary to form an opening on the back surface of the tank cover 50 for connecting the water guide part (water discharge pipe water guide part 421) with the water-washing side water supply pipe 33 inside the tank cover 50. As a result, as the tank cover 50 is attached and fixed to the base plate 20, the tank cover 50 has a shape that makes it impossible to adjust the position of the members (such as the connection member 38) inside the tank cover 50 from the outside of the tank cover 50. The tank cover 50 can be used, and the tank cover 50 can be easily attached and detached. Further, unlike the related art, the labor for removing the back cover body can be saved, and the design can be improved.

  Further, the water discharge pipe fixing part 43 as a fixing member has a hook part 4313 formed around the through hole of the water discharge pipe fixing part 43 and capable of engaging with the periphery of the mounting hole (water discharge pipe mounting hole 41a). The water discharge pipe water guiding portion 421 penetrating the through hole has a hook portion 4313 so as to prevent the hook portion 4313 engaged with the peripheral portion of the water discharge tube mounting hole 41a from coming off from the peripheral portion of the water discharge pipe mounting hole 41a. Can be abutted. With this configuration, the water discharge pipe fixing portion 43 can be made hard to come off from the tank cover 50, so that the water discharge portion can be made hard to come off from the tank cover 50.

  Further, the toilet flushing device 100 is configured to fix the water discharge pipe 42 to the water discharge pipe fixing part 43 by engaging the water-washing water discharge pipe 42 as a water discharge part and the water discharge pipe fixing part 43 as a fixing member. Water pipe clip 44 as an engagement member for use. With this configuration, the water discharge pipe 42 can be easily fixed to the water discharge pipe fixing portion 43.

  The water discharge pipe clip 44 as a water discharge part fixing engagement member is engaged 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 pipe clip 44 can be easily engaged with the hand-wash water pipe 42 and the water pipe fixing portion 43 outside the tank cover 50.

  The present invention is not limited to the above embodiment, and includes modifications and improvements as long as the object of the present invention can be achieved.

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

  Further, the tank cover 50 is formed by integrally molding the upper cover portion 51 and the lower cover portion 52, and has a back surface having a number of slits as through holes communicating the outside and the inside of the tank cover 50. Although only the slit portion 511 and the water discharge pipe mounting hole 41a are formed, the present invention is not limited to this configuration. The tank cover does not have to be divided into an upper part and a lower part, and it suffices if the tank cover is configured integrally with the upper and lower parts. 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 members inside the tank cover from outside the tank cover, The above-described effects can be obtained even when the tank cover has a configuration that makes the position adjustment impossible.

  Here, “a configuration that, by being attached and fixed to the base plate, disables access to members inside the tank cover from outside the tank cover and disables position adjustment of the members inside the tank cover” Cannot access members inside the tank cover (such as the connection member 38) from outside the tank cover when the washing water tank is covered by the tank cover. This means that the position of the members inside the tank cover cannot be adjusted. Therefore, the tank cover has an opening closed by an openable / closable lid member, and after the washing water tank is covered by the tank cover, the position of the internal member can be adjusted by opening the lid member. In the case where the through hole enough to adjust the position of the internal member by inserting a hand or a jig is formed in an open state in the tank cover after the washing water tank is covered by the tank cover, , The tank cover is configured such that, by being attached to and fixed to the base plate, access to the members inside the tank cover from outside the tank cover is disabled, and position adjustment of the members inside the tank cover is disabled. It does not correspond to having.

  Therefore, for example, even when the tank cover is formed by joining a plurality of members, the plurality of members are joined to each other by an adhesive or the like, and when the toilet cleaning device is assembled, the tank is After the washing water tank is covered by the cover, none of the plurality of members can be removed, and therefore, the members inside the tank cover cannot be accessed from outside the tank cover, and the tank cover cannot be removed. It suffices if the position adjustment of the internal members is not possible.

  Further, the tank cover 50 and the connection member 38 include an adjustment mechanism for adjusting the position of the connection portion 381 to a predetermined position with respect to the tank cover 50. The adjustment mechanism includes a horizontal guide portion 531, a regulating 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 for adjusting the position of the connection portion to a predetermined position with respect to the tank cover.

20: Base plate 22: Peripheral wall 23: Guide part (adjustment mechanism)
30 ... wash water tank 33 ... hand wash side water supply pipe (water pipe)
34 ... water pipe support member 38 ... connection member (internal member)
40 ... hand washing part 42 ... hand washing spout (water spouting part)
43 ... water discharge pipe fixing part (fixing member)
44… water spout clip (water spout fixing member)
50: tank cover 100: toilet bowl cleaning device 235, 236: inclined surface (guide surface)
365: Side wall upper protrusion (tank-side guided portion)
381: connection part 384: water guide part (water guide member)
386: Double flange part (support member)
395: spring (elastic member, support member, adjustment mechanism)
421: water discharge pipe water guide 531: horizontal guide (cover side guide, adjustment mechanism)
535: regulating part (cover side guide part, adjustment mechanism)
4313: Rear end hook portion 4314: Positioning convex portion

Claims (5)

The toilet body,
A base plate attached to a rear upper surface of the toilet body,
A washing water tank attached to the base plate,
A tank cover for covering the washing water tank, comprising:
The tank cover is not divided into an upper part and a lower part, and is configured vertically integrally,
The base plate has at least two guide portions for guiding the tank cover to a predetermined position with respect to the base plate,
The guide portion projects from a peripheral wall rising upward from the base plate,
The toilet flushing device, wherein the guide portion has a guide surface portion extending in a direction from the inside of the peripheral wall to the outside of the peripheral wall and extending downward, and guiding from the inside to the outside of the peripheral wall. The base plate includes a bottom plate having a rectangular shape,
The toilet bowl cleaning device according to claim 1, wherein the guide portion exists at at least two corners of the bottom plate portion. The base plate includes a bottom plate having a rectangular shape having a pair of sides extending in the front-rear direction,
The toilet bowl cleaning device according to claim 2, wherein the guide portion is present at both corners of the front ends of the pair of sides of the bottom plate portion, and at a portion of each of the pair of sides of the bottom plate portion. . The toilet body,
A base plate attached to a rear upper surface of the toilet body,
A washing water tank attached to the base plate,
A tank cover for covering the washing water tank, comprising:
The tank cover is not divided into an upper part and a lower part, and is configured vertically integrally,
The base plate has at least two guide portions for guiding the tank cover to a predetermined position with respect to the base plate,
The tank cover has a cover-side guide portion in which the tank-side guided portion connected to the washing water tank is guided, inside the tank cover,
The toilet cleaning device, wherein the guide portion has a positional relationship in which the tank-side guided portion starts to be guided by the cover-side guide portion after the tank cover starts to be guided by the guide portion. The toilet flushing device according to claim 4, wherein a height from an upper end of the guide portion to an upper end of the tank-side guided portion is shorter than a height from a lower end of the tank cover to the cover-side guide portion.

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