JPH0690867A - Pipe holder and wrench - Google Patents

Abstract

PURPOSE:To enable the sealing of the outer circumference of a pipe piercing an opening of a bathtub wall. CONSTITUTION:A pipe holder 10 mounted on an opening H of a bathtub wall T1 is fixed by screwing down a fixed ring 44 on a cylindrical holder body 43 with a step. A seal ring 45 is mounted on the inner circumference of the holder body 43 and an internal stopper ring 46 and an external stopper ring 47 are screwed down inside and outside the ring. A pipe 9 is made to pierce the inside of the pipe holder 10 and when the internal stopper ring 46 and the external stopper ring 47 are tightened to compress the seal ring 45 axially, the seal ring 45 is bulged inward radially to seal the outer circumference of the pipe 8. The holder body 43 and the internal stopper ring 46 is operable from inside the bathtub wall T1 with mating retaining parts 437 and 461.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe which is mounted in an opening formed in a wall of a bath and seals the outer periphery of a pipe penetrating the opening in a liquid-tight manner or fixes the pipe in the opening in a liquid-tight manner. The present invention relates to a holder and a wrench for rotating the holder body and the inner stopper ring of the pipe holder from the inside of the bath wall.

[0002]

2. Description of the Related Art An internal heat insulation / purification device immersed in a bathtub is a motor for driving a heater for heating the bathtub hot water and a pump for circulating the bathtub hot water in the purification case. The electric devices are provided, and these electric devices are supplied with power from a power supply unit provided outside the bathtub via cap tire cords. The cap tire cord is connected to the power supply unit while straddling the edge of the bathtub. However, this causes a problem that the cap tire cord is exposed and the appearance is impaired.

By the way, a pair of openings are generally formed on the wall of the bathtub to connect to a water heater for hot water supply and reheating. However, when the above-mentioned internal heat retention / purification device is used, the water heater is Is unnecessary, and therefore the opening of the bath wall is also unnecessary.
Therefore, if the cap tire cord is led to the outside of the bathtub through the opening, the aesthetic appearance can be improved.

[0004]

When the cap tire cord is penetrated through the opening of the bathtub wall and led out to the outside as described above, a sealing means for preventing leakage of bathtub hot water from the outer circumference of the cap tire cord is required. Becomes Further, when an external heat insulation / purification device installed outside the bathtub is used, two flexible pipes for guiding the bath water from the bathtub to the heat insulation / purification device and returning it again to the bathtub are provided on the bathtub wall. It is connected to the opening, but in this case as well, sealing means is required at the connection between the flexible pipe and the opening of the bath wall.

The present invention has been made in view of the above circumstances, and it is possible to liquid-tightly or connect a pipe such as a cap tire cord or a flexible pipe to an opening of a bath wall, and its operation. An object of the present invention is to provide a pipe holder that can be easily operated from the inside of a bathtub, and a wrench that operates the pipe holder.

[0006]

In order to achieve the above object, the pipe holder of the present invention is mounted in an opening formed in a wall of a bath and liquid-tightly seals the outer circumference of a pipe penetrating the opening, or A pipe holder for fixing a pipe to the opening in a liquid-tight manner, the pipe holder having a large diameter portion having a screw formed on the outer periphery and a small diameter portion having a screw formed on the outer periphery and the inner periphery, respectively. An annular fixing ring for sandwiching the bathtub wall between a stepped cylindrical holder main body penetrating through and a flange provided on the inner end of the holder main body by being screwed into a large diameter screw, and a flexible material. An annular seal ring that is formed by and is fitted to the inner circumference of the small diameter portion, and an inner stopper ring that can be screwed into the screw of the inner circumference of the small diameter portion from the inside of the bath wall to press the inner end of the seal ring, Screw the outer diameter of the small diameter part from the outside of the bathtub wall. Outer stopper ring capable of pressing the outer end of the seal ring with a plurality of engaged parts annularly arranged on the inner circumference of the holder body, and a plurality of engaged parts annularly arranged on the inner end of the inner stopper ring. It is characterized by having a joint.

The wrench of the present invention is a wrench for rotating the holder main body and the inner stopper ring of the pipe holder from the inside of the bath wall, and is provided at the bar-shaped handle and both ends of the handle. A pair of partially cylindrical bosses that can be fitted to the inner circumference of the holder main body from the inside of the bathtub wall and have a notch in a part of the peripheral wall, and the holder main body provided at the tip of one boss. Of a plurality of engaged parts, and a plurality of engaging parts provided at the tip of the other boss part and engageable with a plurality of engaged parts of the inner stopper ring It is characterized by having and.

[0008]

Embodiments of the present invention will be described below with reference to the drawings.

1 to 15 show a first embodiment of the present invention. FIG. 1 is a partially omitted perspective view showing a state where a heat retention / purification device is installed in a bath, and FIG. -2 line sectional view,
3 is a three-direction arrow view of FIG. 2, FIG. 4 is a view taken along line 4-4 of FIG. 2, FIG. 5 is a sectional view taken along line 5-5 of FIG. 4, and FIG. 6 is 6-6 of FIG.
7 is a sectional view taken along line 7-7 in FIG. 4, FIG. 8 is a sectional view taken along line 8-8 in FIG. 2, and FIG. 9 is a sectional view taken along line 9-9 in FIG.
Is a sectional view of the seal ring, FIG. 11 is a sectional view taken along line 11-11 of FIG. 2, FIG. 12 is a side view of the wrench, and FIG. 13 is 1 of FIG.
3 direction arrow view, FIG. 14 is a 14 direction arrow view of FIG. 12, FIG.
5 is an explanatory view of the action of the wrench.

As shown in FIGS. 1 to 3, a purification case C of a heat retention / purification device for purifying hot water in the bathtub T while keeping it at an appropriate temperature.
Is made of a hard synthetic resin and has a flat quadrangular shape in which both front and rear wall surfaces 1 and 2 are wider than the peripheral wall surface 3 so that the front case half C _F and the rear case half C _R can be freely opened and closed. It is formed in a hermetically-sealed state by connecting the two together. The front case half C _F and the rear case half C _R are the front case half C _F.
Left and right lower of two which is screwed to the rear case half C _R of the bolt 4, 4 (see FIG. 3), through the rear case half body C _R from the left and right side edges of the front case half C _F of It is connected by two clips 5 and 5 (see FIG. 2) that can be bent.

A clean hot water injection nozzle 6 for injecting clean hot water is opened at the center of the front case half C _F , and bathtub hot water inlets 7 and 7 (see FIG. 2) are provided at the left and right lower ends. It is opened. Further, four suction cups 8 ... Are attached to the outer peripheral edge of the rear case half body C _{R, and} the purification case C can be detachably adsorbed and held on one inner wall surface of the bathtub T by these suction cups 8.

A cap extending from the upper end of the purification case C
The tire cord 9 is a side wall T of the bathtub T. ₁Formed on top and bottom
Two pipe holders attached to each pair of openings H, H
It is led to the outside of the bathroom through one of 10, 10, and there
It is connected to the installed power supply unit P. Also power supply unit
Control box installed in bathroom
B is connected.

Next, the internal structure of the heat retention / purification device will be described in detail with reference to FIGS.

FIG. 4 shows a state in which the front case half C _F is removed and the inside of the rear case half C _R is viewed, and the rear case half C _R is formed by the curved partition wall 11 on the upper side. It is divided into a purification chamber 12 and a lower pump chamber 13. The purification chamber 12 accommodates a right purification element assembly 14 and a left purification element assembly 15 whose vertical dimension is slightly smaller than that. Between the left and right purification element assemblies 14 and 15, a connector box 16 for accommodating the end portion of the cap tire cord 9, the clean water injection nozzle 6, and a float type water level sensor 17 are arranged. . A submersible pump 19 integrated with a motor 18 is arranged on the left side of the pump chamber 13, and a ceramic heater 20 is arranged on the right side. Also, the rear case half C _R
The left and right lower ends of the suction chamber 2 facing the pair of suction ports 7, 7.
1, 21 are divided, a hot water temperature sensor 22 is arranged in the left suction chamber 20, and a partition wall 11 separating the right suction chamber 20 and the pump chamber 13 faces one end of the ceramic heater 20. Thus, the opening 11 ₁ is formed.

Since the right purification element assembly 14 and the left purification element assembly 15 have substantially the same structure except that the vertical dimension is slightly different, the structure of the right purification element assembly 14 will be described below. To do.

As will be apparent with reference to FIGS. 5 and 6 together, the right purification element assembly 14 is constructed by stacking the filter unit 23 and the activated stone unit 24 on top of each other. The filter unit 23 is formed by loading a fiber filter 26 such as glass fiber inside a stainless rectangular frame 25, and the activated stone unit 24 is a stainless rectangular frame of the same size as the rectangular frame 25 of the filter unit 23. Both sides of the body 27 are covered with mesh plates 28, 28 such as wire mesh, and activated stones 29 such as barley stone are loaded inside the plates. The right purification element assembly 14 is housed in the purification chamber 12 of the rear case half C _R with the elastic packing 30 attached to the outer periphery thereof.

The activated stone 29 has a function of eluting minerals in hot water passing therethrough and adsorbing and decomposing pollutants and organic substances that cannot be filtered by the fiber filter 26.

A plurality of horizontally extending ribs 31 are formed on the inner surface of the front case half C _{F and} the inner surface of the rear case half C _R.
, 32 ... are respectively projected, and the front surfaces of the left and right purification element assemblies 14, 15 are formed by the ribs 31 of the front case half C _F , and the ribs 3 of the rear case half C _R are formed.
The rear surfaces of the left and right purification element assemblies 14, 15 are respectively supported by 2. Therefore, the left and right suction ports 7, 7
The bath water drawn in from the left and right suction chambers 21 and 21 can flow into the front surfaces of the left and right purification element assemblies 14 and 15 through the left and right edges of the front case half C _F. Further, a partition plate 33 is provided on the rear case half C _R so as to be located between the left and right purification element assemblies 14 and 15.
(See FIG. 6) is provided, the clean water passage 34 extending vertically between the partition plate 33 and the rear case half C _R is formed. Then, the left and right purification element assemblies 1
The clean hot water that has passed through Nos. 4 and 15 is collected in the clean hot water passage 34 and then sucked into the submersible pump 19 located below the clean hot water passage 34.

As is apparent from FIGS. 4 and 7, the suction pipe 19 ₁ extending upward from the submersible pump 19 penetrates the partition wall 11 and extends into the clean hot water passage 34. A discharge pipe 19 ₂ extending upward from the submersible pump 19 also extends into the clean hot water passage 34 through an opening 11 ₂ formed in the partition wall 11 and is connected to the clean hot water injection nozzle 6 through a tube 35 from there.

As is apparent from FIG. 4, the power supply unit P
A cap tire cord 9 extending from a bundle of a plurality of lead wires (not shown), an ozone pipe, and an air pipe, the outside of which is covered with a silicon pipe, and the plurality of lead wires are inside the connector box 16 to detect a water level sensor. Water level sensor lead wire 36 connected to 17, hot water temperature sensor 2
2 is connected to the hot water temperature sensor lead wire 37, the ceramic heater lead wire 38 connected to the ceramic heater 20, and the motor lead wire 39 connected to the motor 18. The ozone pipe of the cap tire cord 9 is connected to the ozone pipe 40 connected to the clean water injection nozzle 6, and the air pipe of the cap tire cord 9 is connected to the air pipe 41 connected to the ceramic heater 20.

Next, the structure of the pipe holder 10 will be described with reference to FIGS. Pipe holder 1 made of synthetic resin
0 is composed of five members: a holder body 43, a fixed ring 44, a seal ring 45, an inner stopper ring 46, and an outer stopper ring 47. The holder body 43 is a stepped cylindrical member having a large diameter portion 43 ₁ and a small diameter portion 43 ₂ , and a flange 43 ₃ is formed at the inner end located inside the bath T. Further, the screw 43 ₄ is formed on the outer circumference of the large diameter portion 43 ₁ , and the screws 43 ₅ , 43 ₆ are formed on the outer circumference and the inner circumference of the small diameter portion, respectively. Further, four engaged parts 43 _7, ... Are provided so as to project inwardly on the inner circumference of the large diameter part 43 ₁ . When the holder main body 43 is inserted into the opening H of the bathtub wall T ₁ from the inside to the outside of the bathtub, the annular fixing ring 44 is screwed into the screw 43 ₄ of the large diameter portion 43 ₁ , so that the holder main body 43 Is fixed to the bathtub wall T ₁ . At this time, packings 48 and 49 are provided between the flange 43 ₃ of the holder body 43 and the bathtub wall H, and between the fixing ring 44 and the bathtub wall H, respectively.

A flexible annular seal ring 45 is fitted to the inner circumference of the small diameter portion 43 ₂ of the holder main body 43, and is screwed to the screw 43 ₆ on the inner circumference of the small diameter portion 43 ₂ at the inner end thereof. While contacting the outer end of the annular inner stopper ring 46,
The inner end of the annular outer stopper ring 47 which is screwed into the screw 43 ₅ of the outer periphery of the small-diameter portion 43 ₂ is brought into contact with the outer end thereof. At the inner end of the inner stopper ring 46, four engaged parts 46 ₁ ... Are projected toward the inside of the bathtub T. Then, the cap tire cord 9 is inserted through the inner circumferences of the inner stopper ring 46, the seal ring 45, and the outer stopper ring 47.

As is apparent from FIG. 10, the inner circumference of the seal ring 45 is bulged inward so that the cap tire cord 9 can be lightly press-fitted, and the inner stopper ring 46 and the outer stopper ring 47 come close to each other. By tightening and compressing the seal ring 45 in the axial direction,
The seal ring 45 can be further bulged inward in the radial direction to liquid-tightly seal the outer circumference of the cap tire cord 9.

The upper pipe holder 10 through which the cap tire cord 9 does not penetrate is closed by using a cap 50 as shown in FIG. That is, the cap 50 having the flange 50 ₁ is attached to the seal ring 4 from the outside of the bath T.
When the outer stopper ring 47 is screwed into the inner periphery of the cap ring 5, the flange 50 _{1 of the} cap 50 is attached to the seal ring 4.
5 is sandwiched between the outer stopper ring 47 and the outer stopper ring 47, whereby the holder body 43 is closed and leakage of bath water is prevented.

Next, the structure of the wrench 51 for operating the pipe holder 10 will be described with reference to FIGS.

The wrench 51 is provided with a rod-shaped handle portion 52 and a pair of boss portions 53 and 54 which are provided at both ends thereof and can be fitted to the inner circumference of the large diameter portion 43 ₁ of the holder body 43. A notch 53 _{1 into} which the cap tire cord 9 can be fitted on the side wall of one boss portion 53, and four engaged portions 43 ₇ formed on the large diameter portion 43 ₁ of the holder body 43 can be engaged. And four concave engaging portions 54 ₂ are formed. The other boss 54
Notch 54 _{1 into} which the cap tire cord 9 can be fitted, and four concave engaging portions 54 ₁ that can engage with the four engaged portions 46 ₁ formed on the inner stopper ring 46. ₂
And are formed.

Next, the operation of the embodiment of the present invention having the above construction will be described.

The power switch of the control box B is turned on to operate the motor 18 and the ceramic heater 20 of the submersible pump 19. The suction force of the submersible pump 19 is
Since the purified case C is hermetically sealed, the unpurified hot water in the bath T is sucked into the case C through the suction ports 7, 7 provided at the lower edge of the case C.

As shown by the arrows in FIGS. 4 to 6, the unclean hot water that has flowed into the suction chambers 21 and 21 through the suction ports 7 and 7 flows upward from the unclean water and then the ribs of the front case half C _F. Three
1 is guided to change the direction inward and is evenly guided to the front surfaces of the right purification element assembly 14 and the left purification element assembly 15.

Unclean hot water is filtered by the filter unit 2 of the right purification element assembly 14 and the left purification element assembly 15.
3, 23 and the activated stone units 24, 24 are passed from front to back to be purified into clean hot water, and both purification element assemblies 1
Reach the back of 4,15. Clean water is the rear case half C _R
Being guided by the ribs 32 ... of the same to gather in the clean hot water passage 34, and then sucked into the submersible pump 19 through the suction pipe 19 ₁ . The clean hot water discharged to the discharge pipe 19 ₂ of the submersible pump 19 is supplied to the clean hot water injection nozzle 6 through the tube 35, and is injected into the bathtub T from there.

As described above, when the unpurified hot water passes through the fiber filter 26 of the filter unit 23, 23, the propagation of aerobic microorganisms is promoted and the organic purification action of the unpurified hot water is enhanced. The hot water that has passed through the fiber filter 26 is
It flows to the activated stone units 27, 27, where pollutants and organic substances that cannot be filtered by the filter units 23, 23 are adsorbed and decomposed. As a result, clean and clear hot water can be supplied to the bathtub T.

Ozone from the ozone generator provided in the power supply unit P is supplied to the clean hot water injection nozzle 6 via the cap tire cord 9, where it is mixed with clean hot water and sprayed into the bath T to sterilize the hot water. Exert.

On the other hand, the hot water sucked into the suction chamber 21 from the right suction port 7 flows into the pump chamber 13 through the opening 11 ₁ formed in the partition wall 11 and is heated by the ceramic heater 20. The heated hot water flows into the purification chamber 12 through the opening 11 ₂ formed in the partition wall 11 and is sucked into the submersible pump 19 through the suction pipe 19 ₁ . At this time, the hot water temperature set in the control box B is compared with the actual hot water temperature detected by the hot water temperature sensor 22, and the energization of the ceramic heater 20 is controlled according to the difference, so that the hot water temperature is always optimized. Can be held at a value.

Air from an air pump provided in the power supply unit P is supplied to the cap tire cord 9 ceramic heater 20 to prevent deterioration of durability due to overheating of the ceramic heater 20.

When the amount of hot water in the bathtub T decreases below a specified value, the water level sensor 17 is turned on, and a lamp or buzzer provided in the control box B is activated to give an alarm.

Now, in order to fix the pipe holder 10 to the opening H of the bathtub wall T ₁ , the holder body 43 is penetrated from the inside of the bathtub wall T ₁ to the outside thereof, and the screw formed on the outer periphery of the large diameter portion 43 ₁ thereof. 43 ₄ may be screwed to the fixing ring 44. At this time, as shown in FIG.
When one of the bosses 53 is fitted to the inner circumference of the large-diameter part 43 ₁ , the engaging parts 53 ₂ of the boss 53 engage with the engaged parts 43 ₇ of the holder body 43. Handle part 5 of wrench 51
By gripping 2 and rotating it, the holder body 43 and the fixing ring 44 can be tightened or loosened relatively.

Further, after the cap tire cord 9 is passed through the inner stopper ring 46, the seal ring 45 and the outer stopper ring 47, as shown in FIG.
When the other boss portion 54 of the wrench 51 is fitted to the inner circumference of the large diameter portion 43 ₁ of the holder body 43, the engaging portion 5 of the boss portion 54
4 ₂ ... engages the engaged portion 46 ₁ ... to the inner stop ring 46. Therefore, by gripping and rotating the handle portion 52 of the wrench 51, the inner stopper ring 46 is moved forward to pinch the seal ring 45 between it and the outer stopper ring 47, and the seal ring 45 that bulges inward is attached to the cap tire. The sealability can be improved by closely contacting the outer circumference of the cord 9. When removing the cap tire cord 9,
Rotate the wrench 51 in the opposite direction to rotate the inner stopper ring 4
Loosen six.

The bosses 53, 54 at both ends of the wrench 51
Since the notches 53 ₁ and 54 ₁ are formed in each of the above, the boss portions 53 ₁ and 53 ₂ can be fitted into the large diameter portion 43 ₁ of the holder body 43 without being disturbed by the cap tire cord 9.

The upper pipe holder 10 through which the cap tire cord 9 does not penetrate can also be operated by the wrench 51 in the same manner as described above. As shown in FIG. 11, the flange 50 _{1 of the} cap 50 is replaced with the seal ring 45. By tightening the inner stopper ring 46 while sandwiching it with the outer stopper ring 47, the holder body 43
Can be closed to prevent leakage of hot water from the bathtub.

16 and 17 show a second embodiment of the present invention.

As shown in FIG. 16, in this embodiment, the heat-retaining / purifying device for bath water is an external type, and the purifying case C is installed outside the wall surface W of the bathroom. Therefore, the bath water is sucked into the purification case C through the bellows type flexible pipe 55 connected to the lower pipe holder 10 provided on the bath wall T ₁ , and the purified hot water purified there is bath water T ₁ It is returned to the bathtub T via a bellows-type flexible pipe 55 connected to the upper pipe holder 10 provided in the.

As is apparent from FIG. 17, the flexible pipe 5
Flange 55 formed at the end of 5 ₁The outer stopper
Sandwiched between the inner end of ring 47 and the outer end of seal ring 45
The boss of the wrench 51 from the inside of the bath T in
If the inner stopper ring 46 is advanced using 54,
Compressed seal ring 45 and outer stopper ring 47
And the flange 55 between₁It can be fixed in a liquid-tight manner by sandwiching
You can

Although the embodiment of the present invention has been described in detail above, the present invention is not limited to the above embodiment, and various design changes can be made.

[0044]

As described above, according to the pipe holder of the present invention, the annular seal ring fitted to the inner circumference of the holder main body of the holder main body fixed to the bath wall in cooperation with the fixing ring is provided with the inner stopper. By compressing from the inside and outside with the ring and the outer stopper ring, it is possible to liquid-tightly seal the outer periphery of the pipe penetrating the opening of the bath wall or fix the pipe to the opening in a liquid-tight manner. Moreover, by disposing a plurality of engaged parts in an annular shape on the inner periphery of the holder body, the holder body can be rotated and removed from the inside of the bath wall, and a plurality of engaged parts can be attached to the inner end of the inner stopper ring. By arranging the joint portion in an annular shape, the inner stopper ring can be rotated from the inside of the bath wall to attach and detach the pipe.

Further, according to the wrench of the present invention, the pair of boss portions provided at both ends of the rod-shaped handle portion, the engaging portion engageable with the engaged portion of the holder body, and the inner stopper ring. Since the engaged portion that is engageable with the engaged portion is formed, the holder body and the inner stopper ring can be rotated from the inside of the bath wall by a simple operation. Moreover, since the notch is formed in the boss portion, the wrench can be operated without interfering with the pipe penetrating the opening of the bathtub wall.

[Brief description of drawings]

FIG. 1 is a partially omitted perspective view showing a state in which a heat insulation / purification device of a first embodiment is mounted in a bathtub.

FIG. 2 is a sectional view taken along line 2-2 of FIG.

FIG. 3 is a three-direction arrow view of FIG.

4 is a view taken along the line 4-4 of FIG.

5 is a sectional view taken along line 5-5 of FIG.

6 is a sectional view taken along line 6-6 of FIG.

7 is a sectional view taken along line 7-7 of FIG.

8 is a sectional view taken along line 8-8 of FIG.

9 is a sectional view taken along line 9-9 of FIG.

FIG. 10 is a sectional view of a seal ring.

11 is a cross-sectional view taken along line 11-11 of FIG.

FIG. 12 is a side view of the wrench.

FIG. 13 is a view in the direction of arrow 13 in FIG.

FIG. 14 is a view in the direction of arrow 14 in FIG.

FIG. 15 is an explanatory view of the action of the wrench.

FIG. 16 is a partially omitted perspective view showing a state where the heat retention / purification device of the second embodiment is mounted outside the bathtub.

17 is a sectional view taken along line 17-17 of FIG.

[Explanation of symbols]

9 cap tire cord (pipe) 10 pipe holder 43 holder body 43 ₁ large diameter part 43 ₂ small diameter part 43 ₃ flange 43 ₄ screw 43 ₅ screw 43 ₆ screw 43 ₇ engaged part 44 fixing ring 45 seal ring 46 inner stopper ring 46 ₁ Engaged part 47 Outer stopper ring 52 Handle part 53 Boss part 53 ₁ Notch 53 ₂ Engagement part 54 Boss part 54 ₁ Notch 54 ₂ Engagement part 55 Flexible pipe H opening T ₁ Bathtub wall

Claims (2)

[Claims] 1. A bathtub wall (T₁) In the opening (H) formed in
Outside the pipe (9) that is mounted and passes through the opening (H)
Liquid-tightly seal the circumference or pipe in the opening (H)
It is a pipe holder for fixing (55) liquid-tightly.
Screw (43_Four) Formed large diameter portion (43₁)
And screws (43_Five, 43₆)
Small diameter part formed (43₂) Has a bathtub wall (T ₁) Inside
Stepped cylindrical holder body (4
3) and the large diameter part (43₁) Screw (43_Four)
A flange (43) provided on the inner end of the holder body (43)₃)
Between the bathtub wall (T₁) Holding ring
(44) and a small diameter portion (43₂)
An annular seal ring (45) that fits on the inner circumference of the
Division (43₂) Inner screw (43₆) To the bathtub wall (T₁)
The inner end of the seal ring (45) is pressed by screwing from the inside of the
Possible inner stopper ring (46) and small diameter part (4
Three₂) Screw (43_Five) To the bathtub wall (T₁) Outside
The outer end of the seal ring (45) can be pressed by screwing from
The outer stopper ring (47) and the holder body (43)
A plurality of engaged parts (43₇)When,
Arranged annularly at the inner end of the inner stopper ring (46)
A plurality of engaged parts (46 ₁) And
Pipe holder. 2. A wrench for rotating the holder body (43) and the inner stopper ring (46) of the pipe holder (10) according to claim 1 from the inside of the bath wall (T ₁ ), which is a rod-shaped handle. The part (52) and the handle part (52) are provided at both ends, respectively, and can be fitted to the inner circumference of the holder body (43) from the inside of the bathtub wall (T ₁ ). A pair of partially cylindrical boss portions (53, 54) having (53 ₁ , 54 ₁ ), and a plurality of engaged portions of the holder body (43) provided at the tip of one boss portion (53). (43
₇ ) engageable with the engaged portion (53 ₂ ) and a plurality of engaged portions (46 ₁ ) of the inner stopper ring (46) provided at the tip of the other boss portion (54). A wrench having a plurality of engageable engaging parts (54 ₂ ).