JP3480638B2 - Hand washing device for toilet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet bowl equipped with a hand-washing device adapted to supply water for hand-washing from a flush water tank of the flush toilet.

[0002]

2. Description of the Related Art For example, in the case of installing a local cleaning function on a flush type toilet body, it is covered with a casing including a cleaning water tank for supplying water for this local cleaning function and bowl cleaning of the toilet body, and the upper end of this casing is covered. It is already known to provide a handwasher. As a device provided with such a hand washing device, there is, for example, one proposed by the applicant of the present application and published as Japanese Utility Model Laid-Open No. 5-3381.

FIG. 5 (a) is a cutaway side view showing the hand-washing device portion described in the above publication, and it is assumed that the casing 52 covering the flush water tank 51 installed in the toilet body is opened at its upper end. The hand washing bowl 53 is dropped into the opening of the casing 52 and is detachably connected. The wash water tank 51 is provided with a ball tap 51a that can be operated from the outside of the casing 52. Water is supplied from the ball tap 51a to the wash water tank 51, and at the same time, a flexible water supply pipe 54 that branches toward the hand washing bowl 53 is branched. ing.

On the other hand, as shown in the vertical sectional view of FIG. 5 (b), the hand-washing pot 53 has a back guard 53a whose inside is hollow and is erected, and a water outlet 55 is formed on the front surface of the upper end thereof. Is attached. The water discharge port 55 is inserted by inserting a joint 55a provided at the base end thereof into the back guard 53a, and by connecting the joint 55a to a connection pipe 56 inserted from below into the back guard 53a, the connection pipe 56 It is fixed to the back guard 53a including the above.

Further, as shown in FIG.
A male screw 56a is provided at the lower end of the water supply pipe 54, and a nut 54a attached to the tip of the water supply pipe 54 is screwed onto the male screw 56a to connect the water supply pipe 54 and the connection pipe 56, thereby discharging from the ball tap 51a. A flow path to the water port 55 is formed. When cleaning the bowl of the toilet body, part of the water supply is branched from the ball tap 51a and supplied from the water supply pipe 54, and is discharged from the water outlet 55 as water for hand washing.

[0006]

[Problems to be Solved by the Invention] Such a hand washing bowl 5
In the case where the washing water tank 51 is provided with 3, the hand washing bowl 53 is removed from the casing 52 at the time of inspecting the inside of the washing water tank 51 and the parts are replaced, and is reattached after the work. For example, in the case of removal, the washbasin 53 is replaced with the casing 52.
The nut 54a is pulled up from its upper end with its bottom face facing forward, and a tool is applied to the nut 54a to rotate it.

However, since the nut 54a connected to the connecting pipe 56 is positioned so as to be included in the lower end portion of the back guard 53a, not only is it difficult to hang a tool, but also it takes time to rotate it. The same applies not only to the case of removal but also to the operation of screwing the nut 54 onto the male screw 56a of the connecting pipe 56.

Further, when the hand-washing pot 53 is pulled up, it is necessary to fit it within the range of the length that the flexible water supply pipe 54 extends. For this reason, if the hand washing bowl 53 is forcibly pulled upward by a large distance from the casing 52, the water supply pipe 54 may be broken or damaged. Further, not only the water supply pipe 54 but also the ball tap 51a connected thereto may be displaced, or the connecting portion with the connection pipe 56 may be loosened or the like. Further, the connection pipe 56 receives an acting force pulled downward by the water supply pipe 54 when the water supply pipe 54 becomes longer than the length when the handwash pot 53 is pulled up. Therefore, the connecting pipe 56
A load is also applied between the joint 55a and the joint 55a, resulting in poor connection.

When the hand-washing pot 53 is removed from the casing 52, the flexible water supply pipe 54 may fall into the wash water tank 52 due to its bending. For this reason, when the hand-washing pot 53 is put over the casing 52 again to be connected, the water supply pipe 54 tends to remain unconnected, and overflows from the wash-water tank 52 or hand-washing water from the spout 55 when used. In some cases, the supply cannot be achieved.

Thus, in the conventional structure, the nut 54a
There is a problem in that the work of turning the ball is complicated, and if the handwash bowl 53 is forcibly pulled up, the water supply passage from the ball tap 51a and the connection portion of the water discharge port 55 may be damaged.

The problem to be solved by the present invention is that in a facility in which a casing is integrally attached to a toilet bowl and a hand-washing pot is provided at the upper end of the toilet, disassembling and attaching the hand-washing pot is easy, and water supply pipes for hand-washing are damaged. It is to be able to handle it without any trouble.

[0012]

SUMMARY OF THE INVENTION According to the present invention, a casing for accommodating equipment attached to a toilet body is integrally attached to the toilet body, and an upper end portion of the casing is detachably covered with a hand washing bowl, and the toilet body is also provided. In a toilet provided with a water supply system for branching water from the wash water supply mechanism to the hand wash bowl, a joint communicating with the wash water supply mechanism is fixed to the upper end side of the casing, and the hand wash bowl has its back side. The water discharger is provided with a mounting opening on the front surface of the upwardly convex portion and the upwardly projecting portion, and the water discharger penetrates through the mounting opening and is arranged with its water discharge end facing the front side. The water discharger and the joint are connected by a flexible flow path forming member.

In such a structure, the attachment strength of the flow path forming member with the water discharger can be made larger than the attachment strength with the joint, and the coil spring is provided around the supply pipe of the elastic material. It may be inserted.

A guide rib for guiding and restraining the water discharger toward the mounting port can be provided inside the convex portion above the hand washing bowl and above the mounting port.

Further, the joint may be provided with a flow rate adjusting means for adjusting the flow rate of water flowing from the flush water supply mechanism to the water discharger.

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION By arranging the hand-washing pot on the upper end of the casing, an opening can be provided at the upper end of the casing, and the joint is located at the upper end of the casing. , The joint can be exposed when the handwash bowl is removed. On the other hand, the hand-washing pot can have a back guard on the rear side by having an inner space with its inner side protruding upward, and at the same time, pipes from the water spout and fittings can be passed through this inner space. The water discharger can be penetrated from the mounting port and the water discharge end can be positioned forward.

In such a structure, when the joint on the casing side and the water discharger fixed to the hand washing bowl are connected by the flexible flow path forming member, the joint side and the water discharger side are restrained, respectively. Regardless, when the handwash bowl is put on the casing, the flow path forming members are freely deformed.Therefore, even if the handwash bowl is not strictly aligned with the casing, a load may be exerted on the joint, the water spout itself, and the mounting parts thereof. Absent. Also, when you remove the washbasin,
Since the joint can be visually confirmed sufficiently, even if the flow path forming member comes off, it is possible to attach the handwash bowl to the casing after checking the connection with the joint.

The same applies to the case where a supply pipe using, for example, a rubber tube or the like is used as the flow path forming member, and the supply pipe is loose for the joint and stronger than this for the water discharger. The connection allows the supply pipe to come off the joint when the handwash bowl is pulled far upward. Therefore, with respect to the flow path constituent members from the wash water supply mechanism to the water discharger, the acting force such as unreasonable pulling due to the separation of the handwash bowl is not exerted, and the flow path constituent member and the casing holding the same fixedly. And prevent damage to the washbasin. Also, when the coil spring is extrapolated around the supply pipe, even if the supply pipe is long and easily bent, it is possible to prevent the supply pipe from breaking by restricting the deformation by the coil spring. Road clogging is also prevented.

Further, in the case where the guide rib is provided inside the convex portion above the hand washing bowl, when the hand washing bowl is put on the casing, the water discharger is supported by the flexible flow path forming means. Since the posture can be freely changed, the water spouting tool is inserted into the mounting port while being guided by the guide ribs, and is securely held in this position.

Further, in the case where the joint is provided with the flow rate adjusting means, since the joint is exposed from the opening at the upper end of the casing when the hand washing bowl is removed, the flow rate adjusting means can be easily operated, and the flush water supply mechanism is provided. The amount of water supplied from the water spouting tool can be set to an appropriate amount even if the branch flow rate from V is varied.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a perspective view showing the outline of toilet equipment equipped with a hand washing device of the present invention.

In the figure, the casing 2 is fixed by utilizing the upper surface of the back side of the stool type toilet body 1. The casing 2 is provided with a toilet seat 2a and a toilet lid 2b which can be opened and closed, and has a washing water tank 3 which has a function of, for example, local washing and drying, and which supplies washing water to the bowl portion of the toilet body 1. An operation panel 2c for accommodating as a wash water supply mechanism and including the operation of each functional section and the case where the wash water tank 3 is electrically operated
Is located on the side. Further, as described in the conventional example, a hand-washing pot 4 is detachably provided on the upper end of the casing 2 so that the water supply branched from the wash-water tank 3 can be used for hand-washing.

FIG. 2 is a right side vertical sectional view showing the internal structure from the hand washing bowl 4 to the upper end of the casing 2.

The wash water tank 3 has a conventionally well-known ball tap 3a built therein. The valve of the ball tap 3a is opened by operating means to supply water to the wash water tank 3 and a float 3b connected to this valve.
The valve is closed by the rise in response to the water level in the wash water tank 3. In addition, a cover plate 3c is provided at the upper end of the wash water tank 3 to receive the drainage from the hand washing bowl 4 and guide it into the wash water tank 3, and the ball tap 3a is provided with a flow directly supplied to the wash water tank 3. The water supply pipe 5 which is branched and connected from the path is connected.

The water supply pipe 5 is preferably made of a highly elastic material such as rubber, or made of a synthetic resin that can be bent within a certain range. As shown in the drawing, the water supply pipe 5 penetrates through the cover plate 3c to the back side of the casing 2. It has a length that extends to the position that faces the inner wall of the. A joint 6 for connecting the water supply pipe 5 is fixed to the lower end of the inner wall of the casing 2.

The lower half of the joint 6 is a straight tube whose posture is along the inner wall of the casing 2 and a guide tube 6a whose upper end side is bent obliquely forward is the upper end of the straight tube portion. A fixed seat 6b having a circular opening cross-section formed on the back of the lever can be externally inserted and fixed to a holding rib 2d protruding forward from the inner wall of the casing 2.

Further, the joint 6 is equipped with a flow rate adjusting valve for adjusting the flow rate from the ball tap 3a. In this flow rate adjusting valve, a valve body 6d is screwed into a cylindrical holding seat 6c protruding forward substantially coaxially with the fixed seat 6b so as to be rotatable. The valve body 6d moves in the axial direction by forming a tool engaging groove or the like on the front surface thereof and turning it externally by a driver or the like, and adjusts the passing flow rate by the proportion occupied by the flow passage cross section in the joint 6.

Further, downstream of the guide pipe 6a of the joint 6,
A flexible supply pipe 7 such as a rubber hose and a water discharge joint 8 are connected to the flow path in this order. The supply pipe 7 is a guide pipe 6a.
A seal is secured only by being externally attached to the ball tap 3a, and at the same time the water tap from the ball tap 3a is prevented from coming off even if the water supply pressure is high. It is assumed that

As shown in FIG. 3, the water discharge joint 8 is an elbow having an inverted L shape, and the supply pipe 7 is provided at one end thereof.
And a flange 8b having a packing 8a attached to the front surface and a male screw 8c formed on the outer circumference in front of the flange 8b. In order to prevent the supply pipe 7 from coming off from the water discharge joint 8 even if a strong pulling force acts on the water discharge joint 8, the circumference of the supply pipe 7 inserted at the inlet portion of the water discharge joint 8 as shown in FIG. A fixing band 9 for tightly tightening is provided. The fixing band 9 may be a conventionally well-known one such as is used for tightening around a gas hose.

On the other hand, the hand-washing pot 4 has an outer shape that exactly overlaps the opening 2e cut out at the upper end of the casing 2, and has an engaging seat 4 having a substantially U-shaped cross-section at the front edge.
By forming a and engaging the engaging seat 4a with the projection 2f provided along the opening 2e of the casing 2 as shown in FIG. 2, the engaging seat 4a can be fixed to the casing 2 in a predetermined position and posture. To do.

The hand-washing pot 4 has a cross-sectional shape in which it is obliquely recessed from the front side toward the back side, and the drain port 4b which penetrates the cover plate 3c and faces the wash water tank 3 at the bottom portion thereof.
Is provided. The male screw 8c of the water discharge joint 8 is provided at the upper end on the back side of the recessed portion and substantially in the center in the frontage direction.
A mounting port 4c having an inner diameter such that a portion can be inserted is opened, and a guide rib 4d for positioning the water discharge joint 8 and restraining it in a fixed position is provided above the mounting port 4c. The guide rib 4d is formed in a portion surrounded by the outer top 4e in which the back side of the hand-washing pot 4 is inclined obliquely downward, and as shown in FIG. By applying it, the upward movement of the water discharge joint 8 is restrained and the front, rear, left and right positioning can be performed.

Further, the water discharge cap 10 is screwed into the male screw 8c of the water discharge joint 8 protruding from the mounting port 4c, and the water discharge cap 10 itself and the flange 8b of the water discharge joint 8 hold the periphery of the mounting port 4c. By doing so, the water discharge joint 8 and the water discharge cap 10 are fixed to the hand washing bowl 4.

In the above construction, before the hand-washing pot 4 is covered with the casing 2, as shown in FIG. 3, only the water discharge cap 10 is separate from the other piping members, and the water supply pipe 5 to the water discharge joint 8 are preliminarily formed. They are connected by piping and are held by the joint joint 6 in the casing 2. When the hand washing bowl 4 is removed from the casing 2, the joint 6
Since the whole of the joint is exposed to the outside, the valve body 6 of this joint 6
The operation of turning d with a tool on the front surface can be easily performed, and the flow rate of water for hand washing from the ball tap 3a to the water discharge end can be easily adjusted.

When the hand-washing pot 4 is mounted on the casing 2 as shown in FIG. 3, the front edge of the hand-washing pot 3 is dropped into the opening 2e so that the engaging seat 4a is projected.
Engage with the lower end of f. Then, by covering the top 4e of the hand-washing pot 4 on the back side of the casing 2 so that the engaging point serves as a pivot, the hand-washing pot 4e can be completely covered by the casing 2 as shown in FIG. it can.

Here, the supply pipe 7 uses a rubber hose or the like as described above, but when the water discharge joint 8 is connected to the upper end as shown in FIG. It shall have sufficient mechanical strength to maintain the standing posture without breaking. That is, even if the material is elastic, the supply pipe 7 can support the water discharge joint 8 by setting the thickness of the supply pipe 7 to be suitable for the weight of the water discharge joint 8.

Therefore, when covering the hand washing bowl 4 from the state shown in FIG. 3, the outer peripheral surface of the hand washing bowl 4 and the top 4 are covered.
The water discharge joint 8 will gradually hit the inner peripheral surface of e,
Since the lower end of the water discharge joint 8 is elastically supported by the water supply pipe 7, its posture is changed while following these peripheral surfaces. That is, in the state of FIG. 3, the water discharge joint 8 has the lower surface of the tip of the male screw 8c abutting the outer peripheral surface of the handwash bowl 4, and the supply pipe 7 is bent upward from the guide pipe 6a in an obliquely forward posture. Has become. Then, when the hand washing bowl 4 is covered, the guide tube 6a is in an obliquely forward posture, so that the male screw 8c portion always moves while being pressed against the outer peripheral surface of the hand washing bowl 4 by the elastic bias of the supply tube 8. I will do it. Therefore, finally, as shown in FIG. 2, the male screw 8c is guided to the mounting port 4c side and enters therein.

Further, the lid 8b comes into contact with the guide rib 4d a little before the time when the male screw 8c portion enters the mounting opening 4c, which also prompts the male screw 8c portion to enter the mounting opening 4c. Then, as shown in FIG. 2, the water discharge joint 8 is held in a state where its L-shaped bent corner portion abuts on the guide rib 4d, whereby the water discharge joint 8 is attached with the male screw 8c in its predetermined posture. 4c
Can be exposed to the outside. And this male screw 8
If the spout cap 10 is screwed into c, the ball tap 3a
A flow path from the end to the water discharge end is formed, and water for hand washing is supplied from the water discharge cap 10 when cleaning the ball portion of the toilet body 1.

When removing the hand washing bowl 4 from the casing 2, after removing the water discharge cap 10 from the state shown in FIG. 2, if the hand washing bowl 4 is pulled up to the front side in the posture shown in FIG. 3, the male screw 8c of the water discharge joint 8 is removed. The part comes out from the mounting opening 4c, and the handwash bowl 4 can be removed as it is.

Here, in the case where the hand washing bowl 4 is forcibly separated from the casing 2 without removing the water spouting cap 10, the water spouting joint 8 moves together with the hand washing bowl 4. On the other hand, the supply pipe 7 is only externally inserted in the guide pipe 6a, and the fixing band 9 is provided between the supply pipe 7 and the water discharge joint 8.
Since it is strongly fixed by, the supply pipe 7 is also pulled out from the guide pipe 6a and separated at the same time when the hand-washing pot 4 is separated. Therefore, the diagonal upward force due to the slip resistance when the supply pipe 7 is pulled out acts on the joint 6 as a load, and this slip resistance is not so large, so the load on the joint 6 can be ignored. It can be suppressed to a certain degree.

In this way, the spout joint 8 is left as it is and the handwash bowl 4 is left.
Even if is removed, no external force is applied to the members on the upstream side of the joint 6. Therefore, the flexible water supply pipe 5 is not broken or the direction of the ball tap 3a is not changed, and an accident such as water leakage is prevented.
Further, since the water spout joint 8 and the water spout cap 10 also move integrally with the hand washing bowl 4 without being rigidly restrained by the joint 6 side, looseness of tightening between the water spout joint and the water spout cap 10 and the posture There is no change, and the destruction of the hand washing bowl 4 itself is avoided.

FIG. 4 shows another example, which is a hand washing pot 4
The supply pipe 7 is made longer than in the previous example so that the hand washing bowl 4 can be opened wide relative to the casing 2 when the valve body 6d for adjusting the flow rate is operated by removing the valve from the casing 2. .

When the supply pipe 7 is lengthened in this way,
When the hand washing bowl 4 is installed on the casing 2,
It is not a straight tube as shown in FIG. 2, but is largely bent and deformed. Therefore, when the rubber hose is used as the supply pipe 7, the flow path cross section of the bent portion may remain recessed, which hinders hand washing and water supply.

On the other hand, as shown in the figure, a coil spring 11 made of metal is externally inserted around the entire length of the supply pipe 7. The coil spring 11 bends by itself and allows the supply pipe 7 to be bent, while the lower limit of the bending radius can be restricted. That is, since the coil spring 11 has a property that it is difficult to bend in the axial direction into an acute angle, by using this to correct the bending of the supply pipe 7, it is possible to eliminate the bend of the supply pipe 7, Is prevented from being blocked.

Further, in any of the examples of FIG. 3 and FIG. 4, when the hand washing bowl 4 is separated until the supply pipe 7 comes off the joint 6, the joint 6 is largely exposed from the opening 2e of the casing 2 to the outside. Therefore, it is possible to easily visually confirm that the supply pipe 7 has been disengaged from the joint 6, and the connection between the supply pipe 6 and the joint 6 during the work of covering the casing 2 with the hand washing bowl 4 again. It is possible to encourage the worker to do what is necessary. Therefore, even after the maintenance and inspection of the wash water tank 3, the connection of the flow path from the ball tap 3a to the hand washing bowl 4 will not be forgotten, and there will be no problem such as water leakage or supply of hand washing water.

[0045]

According to the present invention, when the hand-washing pot is attached to or removed from the casing, the water spout can be quickly guided to the attachment port of the hand-washing pot, and the flow path can be removed even when the hand-washing pot is forcibly removed. Since an unreasonable force does not act on the constituent members themselves, the hand washing bowl or the casing, it is possible to obtain equipment which is easy to handle and at the same time does not damage the members.

Further, by fixing the joint to the upper end of the casing or providing the flow rate adjusting means, even if the joint and the supply pipe are detached after removing the hand washing bowl, the connection will not be forgotten, and the water discharger Since it is possible to easily change the amount of water supplied from, it becomes possible to provide a suitable hand-washing facility corresponding to the installation conditions.

[Brief description of drawings]

FIG. 1 is a perspective view of toilet equipment equipped with a hand washing device of the present invention.

FIG. 2 is a vertical cross-sectional view of the inside of a casing showing an upper end portion of a hand washing pot and a wash water tank.

FIG. 3 is a vertical cross-sectional view showing a state where the top side of the hand washing bowl is separated from the casing.

FIG. 4 is a longitudinal cross-sectional view showing an example in which the supply pipe is long and provided with a coil spring for preventing its bending, and the supply pipe is disengaged from the joint.

FIG. 5 is a conventional example, (a) of the same figure is a cutaway side view showing the internal structure of the casing, and (b) of the same figure is a vertical cross-sectional view of the main part showing the spout.

[Explanation of symbols]

1: Toilet body 2: Casing 3: Wash water tank 3a: Ball tap 4: Hand wash bowl 4a: engagement seat 4b: Drainage port 4c: Mounting port 4d: Guide rib 5: Water pipe 6: Joint 6a: Guide tube 6b: Fixed seat 6c: holding seat 6d: valve body 7: Supply pipe 8: Spout fitting 8a: packing 8b: Flange 8c: Male screw 9: Fixed band 10: Water discharge cap 11: Coil spring

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Bibliographic references Flat 5-3381 (JP, U) Flat-open 54-173544 (JP, U) Flat-flat 4-37677 (JP, U) Flat-open Sho 63- 61474 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) E03D 9/00-9/16

Claims (5)

(57) [Claims] 1. A casing for accommodating devices attached to the toilet body is integrally attached to the toilet body, a top of the casing is detachably covered with a hand-washing pot, and a flush water supply mechanism for the toilet body is used. In a toilet bowl having a water supply system for branching water into a hand washing bowl, a joint communicating with the wash water supply mechanism is fixed to the upper end side of the casing, and the hand washing bowl is formed so that its back side is convex upward and An attachment port for the water spouting tool is provided on the front surface of the upwardly convex portion, and the water spouting device penetrates through the mounting port and is arranged with its water discharge end facing the front side. Hand-washing device provided in a toilet bowl that is connected by a flexible flow path forming member. 2. The hand-washing device provided in a toilet according to claim 1, wherein the attachment strength of the flow path forming member to the water discharger is made larger than the attachment strength to the joint. 3. The hand-washing device for a toilet bowl according to claim 1, wherein the flow path forming member is a supply pipe made of an elastic material, and a coil spring is externally fitted around the supply pipe. 4. A guide rib for guiding and constraining the water discharger toward the mounting port is provided inside the convex portion above the hand washing bowl and above the mounting port. A hand washing device provided in the toilet bowl according to any one of 1 to 3. The method according to claim 5, wherein said joint, toilet according to claim 1 comprising comprises a flow rate adjusting means for adjusting the flow rate of the water towards the water discharge device from the washing water supply mechanism Hand washing equipment to prepare for.