JP2003321866A - Structure for mounting water discharge pipe on toilet bowl - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for mounting a water discharge pipe on a toilet bowl, which enhances working efficiency by allows the work for mounting the water discharge pipe on the toilet bowl to be easily performed from one direction, and enhances the efficiency of the manufacture of the toilet bowl in which a mounting hole is to be drilled. <P>SOLUTION: In this structure for mounting the water discharge pipe, the water discharge pipe for discharging flushing water to the toilet bowl is mounted in the mounting hole, which is drilled in the toilet bowl, by work from one direction. The structure is equipped with: a water discharge pipe body in which a flange part, whose diameter is smaller than that of the mounting hole, is provided on an outer periphery on the side of a tip which is to be inserted into the mounting hole; a hooking member which has an opening whose diameter is smaller than the outside diameter of the flange part and into which the water discharge pipe body is to be inserted and a large diameter part having a diameter larger than that of the mounting hole in the free state of the insertion of the water discharge pipe body, and which can pass through the mounting hole in the state of being inserted into the water discharge pipe body and inclined; and a fixing member which has a peripheral-edge locking part for being locked to the peripheral edge of the mounting hole, so as to be detachably locked to the water discharge pipe body. The peripheral edge of the mounting hole is held by be sandwiched between the hooking member and the fixing member, so that the water discharge pipe can be mounted. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water discharge pipe mounting structure for mounting a water discharge pipe for discharging flush water in a bowl of a toilet bowl by a work from one direction in a mounting hole formed in the toilet bowl.

[0002]

2. Description of the Related Art A technique relating to a structure for mounting a water discharge pipe in which a water discharge pipe for discharging flushing water into a bowl of a toilet bowl is attached to a mounting hole formed in the toilet bowl from one direction.
No. 41469. In this technique, a flange is provided in the vicinity of the tip of the water discharge pipe, and the tip of the water discharge pipe is inserted from one direction from the outside of the toilet bowl into the water discharge pipe inlet formed in the upper rear part of the toilet bowl to provide the flange on the toilet bowl. Inversion bolts are inserted through the two bolt insertion holes to fix the water discharge pipe to the toilet bowl.

[0003]

In the structure for mounting the water discharge pipe to the toilet disclosed in the above publication, it is necessary to seal the water discharge pipe receiving port and the plurality of bolt insertion holes at two places, and also to discharge the water. In order to fix the water pipes at the two points of the flange, it was necessary to tighten the bolts while balancing the tightened state, and work efficiency was poor. In addition, since the above-mentioned three holes are bored in the process of manufacturing the toilet bowl, the manufacturing efficiency is poor due to an increase in the number of holes to be bored or an increase in the manufacturing die cost.

Therefore, an object of the present invention is to provide a toilet in which the work of attaching the discharge pipe to the toilet can be easily performed from one direction and the work efficiency is improved, and moreover, the efficiency of manufacturing the toilet for forming the attachment hole is improved. To provide a water discharge pipe mounting structure.

[0005]

Means for Solving the Problem and Its Action / Effect To solve the above-mentioned problems, the invention according to claim 1 pierces a water discharge pipe for discharging flushing water into the bowl of the toilet bowl. And a discharge pipe main body having a collar portion smaller than the hole diameter of the mounting hole provided on the outer periphery on the tip side to be inserted into the mounting hole. A tilted through the water discharge pipe main body having an opening through which the water discharge pipe main body is smaller than the outer diameter of the flange portion and a long diameter portion larger than the hole diameter of the mounting hole in a free state through which the water discharge pipe main body is inserted. The hooking member that can pass through the mounting hole in the above state, and a fixing member that has a peripheral edge locking portion that locks to the peripheral edge of the mounting hole and that is detachably locked to the water discharge pipe main body. The peripheral portion of the mounting hole is sandwiched between the hanging member and the fixing member. And wherein the attaching the water discharge pipe and. To attach the discharge pipe main body to the mounting hole formed in the toilet bowl, first insert the discharge pipe main body into the opening of the hook member from the base end side that is not inserted into the attachment hole, and then attach the hook member to the attachment hole. Tilt until the outer shape of the larger major diameter portion becomes smaller than the size of the mounting hole, insert the water discharge pipe body and the hooking member into the mounting hole, and return the tilt of the hooking member to the state before tilting to hook the hooking member. Since the mounting hole is sandwiched by the fixing member and the distal end side of the water discharge pipe main body is mounted and fixed to the mounting hole, the work of mounting the water discharge pipe on the toilet bowl becomes easy.

As a preferred embodiment of the present invention, in the invention as set forth in claim 2, the water discharge pipe main body is provided with a taper portion whose diameter is reduced from the flange portion toward the base end side which is not inserted into the mounting hole. Is characterized by. By doing so, when the water discharge pipe main body and the hooking member are inserted into the mounting hole and the mounting hole is held by the hooking member and the fixing member, the taper portion locks the hooking member to the flange portion. Since this guides the guide, the slanted hook member returns to its pre-inclined state without any special work, further facilitating the work of attaching the water discharge pipe to the toilet bowl.

Further, as a preferred aspect of the present invention, in the invention according to claim 3, the opening side of the hooking member has a substantially elliptical shape whose short side is equivalent to the maximum diameter of the tapered portion of the water discharge pipe main body. It is characterized by By doing so, the hooking member can be further tilted with respect to the water discharge pipe main body, so that the insertion work of the water discharge pipe main body and the hooking member into the mounting hole becomes easy.

Further, according to the present invention as set forth in claim 4, a spout pipe for spouting flush water on a bowl of a toilet bowl is attached to a mounting hole formed in the toilet bowl by a work from one direction. In the structure, a water discharge pipe main body having a rotation shaft provided on the outer periphery on the tip side inserted into the mounting hole, an opening through which the water discharge pipe main body tiltably supported by the rotation shaft is inserted, and the discharge pipe A hook member that has a long diameter portion larger than the hole diameter of the mounting hole in a free state in which the water pipe body is inserted and can pass through the mounting hole in a tilted state, and a peripheral edge locking portion that locks to the peripheral edge of the mounting hole. And a fixing member that detachably engages with the water discharge pipe body, and the discharge pipe is attached by sandwiching the peripheral portion of the attachment hole by the hooking member and the fixing member. To attach the water discharge pipe body to the mounting hole formed in the toilet bowl, tilt the hooking member that is tiltably supported on the water discharge pipe body until it becomes smaller than the size of the mounting hole, and hook the water discharge pipe body. Insert the member into the mounting hole until it passes, return the hooking member to the state before tilting, and narrow the mounting hole by the hooking member and the fixing member to mount and fix the tip side of the water discharge pipe body to the mounting hole. Therefore, the work of attaching the water discharge pipe to the toilet bowl becomes easy.

As a preferred aspect of the present invention, in the invention according to claim 5, an elastic member for preventing water from entering through the mounting hole is interposed between the fixing member and the mounting hole. Is characterized by. By doing so, it is possible to prevent the wash water discharged to the bowl of the toilet from leaking to the outside of the toilet from the proximal end side of the water discharge pipe body.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION A first embodiment of the present invention will be described below with reference to the drawings. 1 is a side sectional view showing a water discharge pipe mounting structure to a toilet bowl according to a first embodiment, and FIG. 2 is a side sectional view showing a water discharge pipe mounting method to a toilet bowl according to the first embodiment, FIG. 3 is a perspective view of the water discharge pipe main body and the hook member according to the first embodiment.

The toilet bowl 50 is a flush toilet bowl made of ceramics,
A water conduit 54 that is provided around the upper portion of the bowl 52 and discharges cleaning water to the bowl 52, a storage unit 56 that stores a cleaning water supply device (not shown) for supplying cleaning water to the toilet bowl 50, and a water conduit. A partition wall 58 for partitioning 54 and the storage portion 56 is provided. A mounting hole 59 having a diameter D is formed in the partition wall 58.

The water discharge pipe main body 10 is made of brass in a hollow cylindrical shape, and has a water passage 1 for passing wash water in the center thereof.
8, a collar portion 12 having a diameter D4 smaller than the diameter D of the mounting hole 59 is provided on the outer periphery on the tip side inserted into the mounting hole 59,
The taper portion 14 has a diameter reduced from the flange portion 12 toward the base end side which is not inserted into the mounting hole 59, and the male screw 16.

The hooking member 20 is formed in the shape of an elliptical ring whose vertical direction is long, and the external shape in the vertical direction is a mounting hole 59.
Has a diameter D1 which is larger than the diameter D, a width D2 which is smaller than the diameter D of the mounting hole 59 in the lateral direction of the outer shape, and a collar portion through which the water discharge pipe body 10 is inserted at the center. 12
22 having a diameter D3 which is smaller than the diameter D4 of the discharge pipe body 10 and slightly larger than the maximum diameter portion of the tapered portion 14 of the water discharge pipe body 10.
Is equipped with.

The fixing member 30 is a so-called flanged hexagonal nut having a flange 32 having a diameter larger than the diameter D of the mounting hole 59, and is screwed with the male screw 16 provided in the water discharge pipe body 10 at the center. The female screw 34 is provided.

The packing 40 is made of synthetic rubber such as EPDM and has an outer shape having the same outer diameter as the diameter D of the mounting hole 59.
2 and a collar 44 having a diameter larger than the diameter D of the mounting hole 59, and is formed in a substantially T-shape on the side surface.
A hole 46 through which is inserted is opened. It should be noted that a protrusion 48 that comes into contact with the outer periphery of the water discharge pipe body 10 in a watertight manner is formed in part of the hole 46.
Are installed around.

The attachment of the water discharge pipe body 10 to the toilet 50 is as follows.
First, after inserting the water discharge pipe body 10 into the opening 22 of the hook member 20 from the base end side that is not inserted into the attachment hole, the hook member 20 has a diameter D1 larger than the diameter D of the attachment hole 59. The water discharge pipe main body 10 and the hooking member 20 are tilted until they become smaller than D, as shown in FIG.
Insert from the 6 side into the mounting hole 59. Next, the water discharge pipe main body 10
When the hook is pulled back, one of the hooking members 20 comes into contact with the collar portion 12 and the other comes into contact with the partition wall 58 on the water conduit 54 side. When the water discharge pipe main body 10 is further pulled back from that state, the opening 22 of the hooking member 20 is guided to the taper portion 14, and thus the hooking member 20 returns to the state before tilting without any special work. At this time, the diameter D of the hook member 20 is larger than the diameter D of the mounting hole 59.
1 is larger and the diameter D4 of the collar portion 12 is larger than the diameter D3 of the opening 22 of the hooking member 20, the hooking member 20 is between the partition wall 58 and the collar portion 12 on the side of the water conduit 54. Will be held in. Further, no special work is required to return the hook member 20 to the state before tilting,
The work of attaching the water discharge pipe body 10 to the toilet bowl 50 becomes easy.

Then, the packing 40 is pushed from the insertion portion 42 side while inserting the water discharge pipe main body 10 into the hole 46 of the packing 40 until the collar 44 contacts the partition wall 58 on the storage portion 56 side. At this time, since the projections 48 provided around the hole 46 come into contact with the outer periphery of the water discharge pipe body 10 in a watertight manner, the water discharge pipe body 10
It is possible to prevent the wash water discharged from the water conduit 54 from entering the storage portion 56 through the hole 46 and leaking to the outside of the toilet.
Further, the outer diameter of the insertion portion 42 and the diameter D of the mounting hole 59 are the same,
Further, since the projection 48 provided around the hole 46 comes into contact with the outer periphery of the water discharge pipe body 10 in a watertight manner, the center of the water discharge pipe body 10 is located substantially at the center of the mounting hole 59. As a result,
Since the center of the opening 22 of the hooking member 20 is also located substantially at the center of the mounting hole 59, the vertical direction having a height of the diameter D1 larger than the diameter D of the mounting hole 59 of the hooking member 20 is almost the same. The partition wall 58 on the side of the water conduit 54 is evenly contacted.

Finally, the female screw 34 of the fixing member 30 is inserted from the flange 32 side into the water discharge pipe main body 10 and screwed into the male screw 16 of the water discharge pipe main body 10, whereby the toilet 50
The installation of the water discharge pipe main body 10 to is completed. At this time, the packing 4 is provided between the partition wall 58 and the flange 32 on the storage section 56 side.
Since the collar 44 of 0 is sandwiched in a watertight manner, the discharge pipe body 10
It is possible to prevent the wash water discharged from the water guide passage 54 from entering the storage portion 56 through the mounting hole 59 and leaking to the outside of the toilet. The tip end side of the water supply passage 18 of the water discharge pipe main body 10 is opened to the water guide passage 54, and the base end side is connected to a wash water supply device (not shown) by a rubber hose.

By the above series of operations, the water discharge pipe main body 10
Is fixed to the partition wall 58 of the toilet 50, the water discharge pipe main body 1
When the wash water is discharged from 0, the movement and vibration of the tip of the water discharge pipe body 10 can be regulated by the flow pressure of the wash water and the like, so that the wash water is prevented from scattering outside the bowl and the washing failure is prevented. It is also possible.

Next, a second embodiment of the present invention will be described with reference to the drawings. Here, parts having the same structure and work as those of the first embodiment will be omitted, and only parts different from the first embodiment will be omitted. Will be explained. 4 is a side sectional view showing a water discharge pipe mounting structure to a toilet bowl according to a second embodiment, and FIG. 5 is a side sectional view showing a water discharge pipe mounting method to a toilet bowl according to the second embodiment,
FIG. 6 is a perspective view of a water discharge pipe main body and a hook member according to the second embodiment.

The water discharge pipe main body 60 is made of brass in a hollow cylindrical shape, and has a water passage 6 at the center for passing wash water.
8 and a male screw 66 is provided at the center of the outer circumference. Further, on the tip side inserted into the mounting hole 59 on the outer periphery, the height of the outer shape has a diameter D1 which is larger than the diameter D of the mounting hole 59, and the lateral direction of the outer shape has the diameter D of the mounting hole 59. The hook member 70, which has a smaller diameter D2 and has an opening 72 at the center and is formed in the shape of an elliptical ring whose vertical direction is long, is tilted by the pin 80 so as to be tiltable about the horizontal direction. There is. The configurations of the toilet bowl 50, the fixing member 30, and the packing 40 are the same as those in the first embodiment.

The attachment of the discharge pipe main body 60 to the toilet 50 is as follows.
As shown in FIG. 5, the pin 80 is tilted to the water discharge pipe main body 60 and tilted until the diameter D1 of the hook member 70 is smaller than the diameter D of the mounting hole 59. 60 and the hook member 70 are stored in the storage section 5.
Insert from the 6 side into the mounting hole 59. Next, the water discharge pipe main body 60
When the water discharge pipe main body 60 is pulled back while moving downward with respect to the center of the attachment hole 59, the lower part of the hook member 70 contacts the partition wall 58 on the water conduit 54 side. When the water discharge pipe body 60 is further pulled back from that state, the hook member 70 naturally returns to the state before tilting. Further, even if an attempt is made to pull back the water discharge pipe main body 60, the diameter D1 of the hooking member 70 is larger than the diameter D of the mounting hole 59, and therefore the water discharge pipe main body 60 cannot be pulled back.

The vertical center of gravity of the hook member 70 is
For example, if a weight is set below the center by attaching a weight or the like, the hooking member 70 always tries to keep the vertical state. Therefore, in order to return the hooking member 70 to the state before tilting after tilting. Since it is not necessary to move the water discharge pipe main body 60 downward with respect to the center of the mounting hole 59 or to use an elongated tool, the work of attaching the water discharge pipe main body 10 to the toilet 50 becomes easy.

Next, the packing 40 is inserted into the water discharge pipe main body 60 and the fixing member 30 is screwed onto the male screw 66 of the water discharge pipe main body 60. Since these operations are the same as in the first embodiment, The description is omitted. The water supply passage 6 of the water discharge pipe main body 60
The tip end side of 8 is opened to the water conduit 54, and the base end side is connected to a wash water supply device (not shown) by a rubber hose.

Next, a third embodiment of the present invention will be described with reference to the drawings. Here, parts having the same structure and work as those of the first embodiment will be omitted, and only parts different from the first embodiment will be described. Will be explained. FIG. 7 is a side sectional view showing a method for attaching a water discharge pipe to a toilet according to the third embodiment, and FIG. 8 is a perspective view of a water discharge pipe main body, a hook member and the like according to the third embodiment.

The hooking member 90 is formed in an elliptic ring shape whose vertical direction is long, and the external shape in the vertical direction is a mounting hole 59.
Has a diameter D1 which is larger than the diameter D of the mounting hole 59, a width D2 which is smaller than the diameter D of the mounting hole 59 in the left-right direction, and an opening 92 through which the water discharge pipe main body 10 is inserted.
Is equipped with. The opening 92 has a substantially elliptical shape with a long vertical direction, and the diameter D3H on the short side is smaller than the diameter D4 of the collar portion 12 and slightly larger than the maximum diameter portion of the taper portion 14 of the water discharge pipe main body 10 on the long side side. Has a diameter D3V larger than the diameter D3H on the short side. The configurations of the toilet bowl 50, the water discharge pipe body 10, the fixing member 30, and the packing 40 are the same as those in the first embodiment.

The attachment of the water discharge pipe body 10 to the toilet 50 is as follows.
First, after inserting the water discharge pipe main body 10 into the opening 92 of the hooking member 90 from the base end side that is not inserted into the mounting hole, the hooking member 90 has a diameter D1 larger than the diameter D of the mounting hole 59. It is tilted until it becomes smaller than D, and the water discharge pipe main body 10 and the hook member 90 are accommodated in the storage portion 5 as shown in FIG.
Insert from the 6 side into the mounting hole 59. At this time, since the diameter D3V on the long side of the opening 92 is formed to be larger than the diameter D3H on the short side, the hook member 90 can be further tilted with respect to the water discharge pipe main body 10. Body 1
0 and the hooking member 90 can be easily inserted into the mounting hole 59.

Then, when the water discharge pipe body 10 is pulled back, one of the hooking members 90 contacts the flange portion 12 and the other contacts the partition wall 58 on the water conduit 54 side. When the water discharge pipe main body 10 is further pulled back from this state, the hooking member 90 is initially guided by the tapered portion 14 above the opening 92, but since the upper side of the opening 92 is the substantially elliptical long side, the curvature is high. Since the radius is small, the shorter side having a larger radius of curvature is guided as it approaches the maximum diameter portion of the tapered portion 14, and as a result, the hooking member 90 causes the center of the water discharge pipe main body 10 to substantially coincide with the center thereof. Return to the state before tilting. In this state, the diameter D1 of the hooking member 90 is larger than the diameter D of the attachment hole 59, and the collar portion 1 is larger than the diameter D3H of the opening 92 on the short side.
Since the diameter D4 of 2 is larger, the hook member 20 is sandwiched between the partition wall 58 on the water conduit 54 side and the flange portion 12.

Next, the packing 40 is inserted into the water discharge pipe body 10 and the fixing member 30 is screwed onto the male screw 16 of the water discharge pipe body 10. Since these operations are the same as those in the first embodiment, The description is omitted. The water supply passage 1 of the water discharge pipe body 10
The tip end side of 8 is opened to the water conduit 54, and the base end side is connected to a wash water supply device (not shown) by a rubber hose.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a structure for attaching a water discharge pipe to a toilet according to a first embodiment.

FIG. 2 is a side sectional view showing a method for attaching the water discharge pipe to the toilet according to the first embodiment.

FIG. 3 is a perspective view of a water discharge pipe main body and a hook member according to the first embodiment.

FIG. 4 is a side sectional view showing a water discharge pipe mounting structure for a toilet bowl according to a second embodiment.

FIG. 5 is a side sectional view showing a method for attaching the water discharge pipe to the toilet according to the second embodiment.

FIG. 6 is a perspective view of a water discharge pipe body and a hook member according to a second embodiment.

FIG. 7 is a side sectional view showing a method for attaching the water discharge pipe to the toilet according to the third embodiment.

FIG. 8 is a perspective view of a water discharge pipe body and a hook member according to a third embodiment.

[Explanation of symbols]

10, 60 ... Water pipe body 12 ... Tsubabe 14 ... Tapered part 16, 66 ... Male screw 18, 68 ... Waterway 20, 70, 90 ... Hooking member 22, 72, 92 ... Opening 30 ... Fixing member 32 ... Flange 34 ... Female screw 40 ... packing 42 ... insertion part 44 ... Tsuba 46 ... hole 48 ... Protrusion 50 ... Toilet bowl 52 ... Bowl 54 ... Headrace 56 ... Storage section 58 ... Partition 59 ... Mounting hole 80 ... pin D, D1, D2, D3, D3H, D3V, D4 ... Diameter

Claims (5)

[Claims] 1. A water spouting pipe mounting structure for mounting a water spouting pipe for spouting flush water to a bowl of a toilet bowl from one direction in a mounting hole formed in the toilet bowl, which is inserted into the mounting hole. The water discharge pipe main body having a collar portion smaller than the hole diameter of the mounting hole on the outer periphery on the tip side, the opening through which the water discharge pipe body smaller than the outer diameter of the collar portion is inserted, and the water discharge pipe body are inserted. A hook member that has a longer diameter portion larger than the hole diameter of the mounting hole in a free state and can pass through the mounting hole while being inserted into the water discharge pipe main body and a peripheral member that locks to the peripheral edge of the mounting hole. A fixing member having a stop portion and detachably engaged with the water discharge pipe main body, wherein the water discharge pipe is attached by sandwiching a peripheral portion of the attachment hole by the hooking member and the fixing member. Water pipe mounting structure to the toilet bowl. 2. The discharge to a toilet bowl according to claim 1, wherein the water discharge pipe main body is provided with a taper portion whose diameter is reduced from the collar portion toward a base end side which is not inserted into the mounting hole. Water pipe mounting structure. 3. The toilet bowl according to claim 2, wherein the opening of the hook member has a substantially elliptical shape whose short side is equivalent to the maximum diameter portion of the tapered portion of the water discharge pipe body. Discharge pipe mounting structure. 4. A water discharge pipe mounting structure for mounting a water discharge pipe for discharging flushing water into a bowl of a toilet bowl from one direction in a mounting hole formed in the toilet bowl, the structure being inserted into the mounting hole. The water discharge pipe main body having a rotary shaft provided on the outer circumference on the tip side, the opening through which the water discharge pipe main body tiltably supported by the rotary shaft is inserted, and the water discharge pipe main body is inserted in the free state. A hook member that has a long diameter portion larger than the hole diameter and can pass through the mounting hole in a tilted state; and a peripheral edge locking portion that locks to the peripheral edge of the mounting hole, and is detachable from the water discharge pipe body. A water discharge pipe mounting structure for a toilet, comprising: a fixing member that is locked to the water discharge pipe, wherein the water discharge pipe is attached by sandwiching a peripheral edge portion of the mounting hole between the hooking member and the fixing member. 5. The discharge to a toilet bowl according to claim 1, wherein an elastic member for preventing water from entering through the mounting hole is interposed between the fixing member and the mounting hole. Water pipe mounting structure.