JP7353589B2 - Bathtub unit and how to assemble the bathtub unit - Google Patents

Description

Aspects of the present invention generally relate to bathtub units and methods of assembling bathtub units.

2. Description of the Related Art A bathtub cleaning device is known that automatically cleans a bathtub by discharging detergent from a discharge section (nozzle) provided in the bathtub. By using such a bathtub cleaning device, a user can clean the bathtub with a single touch by operating a remote control or the like.

In such a bathtub cleaning device, a detergent tank that stores detergent for cleaning the bathtub is located in a space (a space behind the bathtub) below an external extension (flange) that extends horizontally and outward from the upper end of the main body that stores hot water for the bathtub. is provided (for example, Patent Document 1). The detergent tank is attached and fixed to an injection hole provided in the outer extension of the bathtub, and when replenishing detergent, the detergent is injected into the detergent tank through the injection hole.

Patent No. 3780607

In a bathtub cleaning device, it is desirable that the detergent tank has a large capacity in order to reduce the frequency of detergent replenishment. On the other hand, in the space behind the bathtub where the detergent tank is provided, there are also provided a detergent liquid feed pipe section that connects the detergent tank and the discharge section, piping for reheating, and the like. Therefore, the detergent tank has a large capacity and is provided so as not to interfere with the bathtub, the detergent liquid supply pipe, piping, and the like. In other words, the detergent tank is installed to fit snugly into a narrow space.

Incidentally, in recent years, bathtubs have been created in which sloped surfaces are formed on the outer extension of the bathtub to improve the design of the bathtub, and the dimensions of the main body that stores hot water are enlarged relative to the outer extension to improve the bathing experience for bathers. It has been devised. When a bathtub cleaning device is installed in such a bathtub, due to the formation of an inclined surface on the outer extension of the bathtub and the enlargement of the dimensions of the main body of the bathtub, the horizontal surface portion of the outer extension becomes narrower or disappears. It is necessary to provide the section on the inclined surface of the extension section. In this case, since the outer extension portion where the injection hole portion is provided is inclined, if the detergent tank is attached straight to the injection hole portion, the detergent tank will be attached in an inclined state. If the detergent tank is installed at an angle in the bathtub, the detergent tank will occupy more than necessary installation space in the narrow space behind the bathtub, which may make it difficult to route the detergent liquid supply pipe, etc. . Additionally, detergent tanks are designed to fit snugly into the narrow space behind the bathtub, so if the detergent tank is installed at an angle, it may interfere with the bathtub or piping, causing the detergent tank to fit into the bathtub. There is a risk that it will not be able to be firmly fixed.

The present invention was made based on the recognition of this problem, and when installing a detergent tank in an inclined injection hole, it is possible to easily route the detergent liquid supply pipe, etc., and the detergent tank can be easily moved. To provide a bathtub unit that can be securely fixed to a bathtub and a method for assembling the bathtub unit.

A first invention provides a bathtub provided with an injection hole portion for injecting detergent, a detergent tank provided below the injection hole portion and storing the detergent injected from the injection hole portion, and the injection hole portion. a joint pipe portion that connects the detergent tank and the detergent tank; a discharge portion that discharges the detergent stored in the detergent tank into the bathtub; and a detergent feeder that sends the detergent in the detergent tank to the discharge portion. The bathtub includes a main body for storing hot water, and an outer extension extending outward from the upper end of the main body, the outer extension being inclined with respect to the horizontal direction. The detergent tank has a sloped part, the injection hole part is provided in the sloped part, and the detergent tank has a tank body for storing the detergent, and an opening provided in the upper part of the tank body to which the joint pipe part is connected. The joint tube section has a first tube section connected to the injection hole section, a second tube section connected to the opening section, and the first tube section and the second tube section. a bent part bent between the joint pipe part, and the joint pipe part supports the detergent tank so that the opening part opens vertically upward by the bent part. It is a unit.

According to this bathtub unit, in the joint pipe section that connects the injection hole section and the detergent tank, there is a gap between the first pipe section connected to the injection hole section and the second pipe section connected to the opening of the detergent tank. A bent part is provided. Accordingly, when the detergent tank is attached to the inclined injection hole portion, the detergent tank can be supported by the joint pipe portion having the bent portion so that the opening portion faces vertically upward. In other words, the detergent tank can be attached to the inclined injection hole portion without tilting. Therefore, it is possible to prevent the detergent tank from occupying an unnecessarily wasteful installation space, so that the work of routing the detergent liquid feeding pipe portion and the like can be easily performed. Furthermore, since the detergent tank can be prevented from interfering with the bathtub, piping, etc. when the detergent tank is attached, the detergent tank can be securely fixed to the bathtub.

A second invention is the bathtub unit according to the first invention, wherein the joint pipe portion is separate from the extension portion.

According to this bathtub unit, by making the joint pipe part and the extension part of the bathtub separate, the bathtub and the joint pipe part, which have a complicated shape having an inclined part, can be separately molded. Thereby, it is possible to suppress the occurrence of molding defects in each part, and it is possible to more reliably attach the detergent tank without tilting it.

A third invention is based on the second invention, wherein the joint pipe portion includes an upper member connected to the injection hole portion and having a first flange portion, and a lower member connected to the opening portion and having a second flange portion. , and a fastening member that fastens the first flange portion and the second flange portion.

According to this bathtub unit, the joint pipe portion includes an upper member having the first flange portion, a lower member having the second flange portion, and a fastening member that fastens the first flange portion and the second flange portion. have As a result, by simply connecting the upper member to the injection hole and the lower member to the detergent tank in advance, and then fastening the first flange and the second flange with the fastening member, the joint can be connected to the injection hole. A detergent tank can be easily attached via the pipe. In other words, it is not necessary to attach a detergent tank having a large volume by turning it like a screw, for example, so that workability can be improved. Furthermore, since there is no need to attach the detergent tank by turning it like a screw, it is possible to prevent the detergent tank from interfering with the bathtub, piping, etc.

A fourth invention is based on the third invention, wherein the first flange part and the second flange part are provided in the second pipe part and are fastened by the fastening member while facing each other in the vertical direction. This bathtub unit is characterized by:

According to this bathtub unit, by providing the first flange part and the second flange part in the second pipe part, the first flange part and the second flange part are fastened together by the fastening member while facing each other in the vertical direction. can do. Thereby, the fastening operation can be performed more easily than when the first flange portion and the second flange portion are fastened together using a fastening member while diagonally facing each other. Therefore, the detergent tank can be installed more easily.

A fifth invention is a method for assembling the bathtub unit according to the fourth invention, in which the first flange is held horizontally using a jig, and the upper member is attached to the injection hole. step, a second step of attaching the lower member to the opening of the detergent tank, and after the first step and the second step, the first flange portion and the second flange portion are vertically moved. The method for assembling a bathtub unit is characterized by comprising a third step of fastening the fastening members in a facing state.

According to this bathtub unit assembly method, the first step of attaching the upper member to the injection hole of the bathtub using a jig and the second step of attaching the lower member to the opening of the detergent tank are performed in advance at the factory. Then, at the construction site, the bathtub unit can be easily assembled by simply performing the third step of fastening the first flange part and the second flange part. Furthermore, by performing the first step using a jig, the detergent tank can be more reliably and easily attached without tilting.

According to an aspect of the present invention, when a detergent tank is attached to an inclined injection hole, the detergent liquid feeding pipe can be easily routed, and the detergent tank can be firmly fixed to the bathtub. A bathtub unit and a method of assembling the bathtub unit are provided.

FIG. 1 is a perspective view schematically showing a bathtub unit according to an embodiment. It is an explanatory view showing typically a bathtub unit concerning an embodiment. FIG. 2 is a cross-sectional view schematically showing a part of the bathtub unit according to the embodiment. FIG. 2 is an exploded perspective view schematically showing a part of the bathtub unit according to the embodiment. It is a sectional view showing typically a joint pipe part of a bathtub unit concerning an embodiment. FIG. 2 is an explanatory diagram schematically showing a method of assembling a bathtub unit according to an embodiment. FIG. 2 is an explanatory diagram schematically showing a method of assembling a bathtub unit according to an embodiment.

Embodiments of the present invention will be described below with reference to the drawings. Note that in each drawing, similar components are denoted by the same reference numerals, and detailed explanations are omitted as appropriate.
FIG. 1 is a perspective view schematically showing a bathtub unit according to an embodiment.
FIG. 2 is an explanatory diagram schematically representing the bathtub unit according to the embodiment.
As shown in FIGS. 1 and 2, the bathtub unit 100 includes a bathtub 10, a waterproof pan 20, and a bathtub cleaning device 30.

The bathtub 10 has a main body part 11 that is open at the top and stores hot water, and an externally extending part 12 that extends from the upper end of the main body part 11 toward the outside (sideward) of the main body part 11. The bathtub 10 has a substantially rectangular shape having long sides and short sides when viewed from above.

The main body part 11 has a bottom part 11a located at the lower part of the main body part 11, and a side part 11b extending upward from the outer edge of the bottom part 11a. Hot water can be stored inside the space surrounded by the bottom part 11a and the side part 11b.

The extension portion 12 constitutes the upper surface of the bathtub 10. The outer extension part 12 has an inclined part 12a inclined with respect to the horizontal direction. The angle of inclination of the inclined portion 12a with respect to the horizontal plane is, for example, 60 degrees or less. In this example, the inclined portion 12a is inclined downward toward the outside of the main body portion 11. The inclined portion 12a may be inclined upward toward the outside of the main body portion 11. Further, in this example, the inclined portion 12a is provided on a part of the outer extension portion 12, but the inclined portion 12a may be provided on the entire outer extension portion 12, for example. That is, the extension portion 12 does not need to be provided with a horizontal portion.

The inclined portion 12a is provided with an injection hole portion 13 that passes through the inclined portion 12a. The injection hole portion 13 penetrates the inclined portion 12a in a direction perpendicular to the inclined surface of the inclined portion 12a. In other words, the injection hole portion 13 opens in a direction perpendicular to the inclined surface of the inclined portion 12a. By injecting the detergent into the injection hole section 13, the user can supply the detergent to the bathtub cleaning device 30 (detergent tank 31 to be described later) provided below the injection hole section 13.

The waterproof pan 20 is provided below and on the sides of the bathtub 10. The waterproof pan 20 has a bottom portion 20a located at a lower portion of the waterproof pan 20, and a side portion 20b extending upward from the outer edge of the bottom portion 20a. The bathtub 10 is housed inside a space surrounded by a bottom part 20a and a side part 20b of the waterproof pan 20.

A space S is provided between the side surface 11b of the main body 11 of the bathtub 10 and the side surface 20b of the waterproof pan 20. In other words, the space S is a space below the extension portion 12 of the bathtub 10 (bathtub back space). The space S is provided with piping for reheating, a bathtub cleaning device 30, and the like. Although not shown in FIG. 1, a bath apron is provided on the surface of the waterproof pan 20 facing the washing area floor. The bath apron shields the space S from being seen from the washing area floor side.

The bathtub cleaning device 30 includes a detergent tank 31 , a joint pipe section 32 , a discharge section 33 , and a detergent liquid feeding pipe section 34 . The bathtub cleaning device 30 cleans the bathtub 10 by discharging detergent stored in a detergent tank 31 into the interior of the bathtub 10 (main body section 11) from a discharge section 33.

The detergent tank 31 stores detergent injected from the injection hole portion 13. The detergent tank 31 is provided below the injection hole portion 13. The joint pipe section 32 connects the injection hole section 13 and the detergent tank 31. The joint pipe section 32 is provided below the injection hole section 13 and above the detergent tank 31. The structures of the detergent tank 31 and the joint pipe portion 32 will be described later.

The discharge unit 33 discharges the detergent stored in the detergent tank 31 into the bathtub 10. The discharge part 33 is provided, for example, at the bottom 11a of the main body 11, and sprays detergent in the form of a mist toward the side surface 11b of the main body 11. The detergent liquid sending pipe section 34 connects the discharge section 33 and the detergent tank 31 and sends the detergent stored in the detergent tank 31 to the discharge section 33 . The detergent liquid feeding pipe section 34 is located below the detergent tank 31, for example. The detergent liquid feeding pipe section 34 is connected to the bottom of the detergent tank 31, for example. The detergent liquid feeding pipe section 34 is, for example, a detergent hose. The detergent liquid feeding pipe section 34 is not limited to a hose, but may be another tubular member such as a pipe.

The detergent liquid feeding pipe section 34 is provided with, for example, a pump P for feeding the detergent in the detergent tank 31 to the discharge section 33 . Further, the detergent liquid feeding pipe section 34 may be provided with a solenoid valve, a check valve, or the like, if necessary.
Furthermore, there is a flow path through which hot water flows and a suction port established in a venturi section provided in the middle of the flow path, and the negative pressure generated in the venturi section by the water flow is used to suck detergent from the detergent hose connected to the suction port. Alternatively, a cleaning liquid may be prepared by mixing detergent with hot water, and the liquid may be sent to the discharge section 33.

The detergent injected from the injection hole section 13 passes through the joint pipe section 32 and is stored in the detergent tank 31. When a bathtub cleaning operation is performed using a remote control or the like, the pump P is driven. When the pump P is driven, the detergent stored in the detergent tank 31 is supplied to the discharge section 33 through the detergent liquid supply pipe section 34, and the detergent is discharged from the discharge section 33. Thereby, the bathtub 10 can be cleaned automatically.

The detergent tank 31, the joint pipe section 32, the detergent liquid sending pipe section 34, and the pump P are provided in the space S between the bathtub 10 and the waterproof pan 20. That is, at least a portion of the bathtub cleaning device 30 is provided in the space S between the bathtub 10 and the waterproof pan 20. In this example, the detergent tank 31 and the joint pipe part 32 are located in the space S between the short side side part 11b of the main body part 11 of the bathtub 10 and the short side side part 20b of the waterproof pan 20. It is set in.

FIG. 3 is a cross-sectional view schematically showing a part of the bathtub unit according to the embodiment.
FIG. 4 is an exploded perspective view schematically showing a part of the bathtub unit according to the embodiment.
FIG. 5 is a cross-sectional view schematically showing the joint pipe portion of the bathtub unit according to the embodiment.
As shown in FIGS. 3 to 5, the injection hole section 13 of the bathtub 10 is provided with a mounting section 35 for attaching the joint pipe section 32 to the injection hole section 13. That is, in this example, the joint pipe section 32 is connected to the injection hole section 13 via the attachment section 35.

The attachment part 35 has a cylindrical part 35a and a flange part 35b. The cylinder portion 35a has a cylindrical shape and is housed inside the injection hole portion 13. The flange portion 35b extends outward from the upper end of the cylindrical portion 35a, and engages with the edge (extended portion 12) of the injection hole portion 13. The inner periphery of the cylindrical portion 35a is threaded for connection to the joint tube portion 32.

By providing the attachment portion 35, the joint tube portion 32 can be connected to the injection hole portion 13 more easily. Further, since it is not necessary to provide a structure for connecting the joint pipe portion 32 to the injection hole portion 13 itself, it is possible to more easily mold the bathtub 10 having a complicated shape. The attachment part 35 is provided as necessary and can be omitted.

Furthermore, a filter 36 is provided inside the attachment portion 35 . The filter 36 is, for example, a metal mesh. By providing the filter 36, even if the detergent contains foreign matter, it is possible to prevent the foreign matter from entering the detergent tank 31 or the like. The filter 36 is provided as needed and can be omitted.

A joint pipe section 32 is connected to the lower part of the attachment section 35 . The joint pipe portion 32 is connected to the attachment portion 35 and is supported by the attachment portion 35 . In this example, the upper part of the joint tube part 32 (an upper member 321 to be described later) is connected to the lower part (cylindrical part 35a) of the attachment part 35 by being screwed thereto.

A detergent tank 31 is connected to the lower part of the joint pipe section 32 . The detergent tank 31 is connected to the joint pipe part 32 and is supported by the joint pipe part 32. In this example, the detergent tank 31 is connected to the lower part of the joint pipe section 32 (a lower member 322 described below) by being screwed thereto.

A detergent liquid feeding pipe section 34 is connected to the lower part of the detergent tank 31 . The detergent liquid feed pipe section 34 is supported by the detergent tank 31 by being connected to the lower part of the detergent tank 31 (an outlet section 31c described below).

The detergent injected from the injection hole portion 13 (attachment portion 35) passes through the attachment portion 35, filter 36, and joint pipe portion 32, and is stored in the detergent tank 31. The detergent stored in the detergent tank 31 passes through the detergent liquid supply pipe section 34 and is discharged from the discharge section 33.

In this example, a first seal member 37 is provided at the connection portion between the attachment portion 35 and the joint tube portion 32. The first seal member 37 is, for example, a packing. By providing the first seal member 37, leakage of detergent from the connection portion between the attachment portion 35 and the joint pipe portion 32 can be suppressed.

Further, in this example, a second seal member 38 is provided at the connection portion between the joint pipe portion 32 and the detergent tank 31. The second seal member 38 is, for example, a packing. By providing the second seal member 38, leakage of detergent from the connection portion between the joint pipe portion 32 and the detergent tank 31 can be suppressed.

The structure of the detergent tank 31 will be explained in more detail below.
The detergent tank 31 has a tank body 31a, an opening 31b, and an outlet 31c. The tank body 31a is hollow and can store detergent inside the space. In this example, the maximum length of the tank body 31a in the horizontal direction is greater than the maximum length in the vertical direction. Thereby, the capacity of the tank body 31a can be increased while suppressing interference with the bathtub 10, waterproof pan 20, piping, etc.

The opening 31b is provided at the top of the tank body 31a. The opening 31b has a cylindrical shape extending upward from the upper end of the tank body 31a. The opening 31b is connected to the joint tube section 32. In this example, the opening 31b is connected to the lower part of the joint tube part 32 (a lower member 322 described below) by being screwed thereto. A thread is cut on the outer periphery of the opening 31b for connection to the joint pipe section 32.

The outlet portion 31c is provided at the bottom of the tank body 31a. The outlet portion 31c has a cylindrical shape extending downward from the bottom of the tank body 31a. The outlet portion 31c is connected to the upper end of the detergent liquid feed pipe portion 34.

In this example, a remaining amount detection section 40 for detecting the remaining amount of detergent in the tank main body 31a is provided inside the tank main body 31a. The remaining amount detection unit 40 is, for example, a float switch. The remaining amount detection unit 40 is provided to be able to detect the remaining amount of detergent in the tank body 31a when the opening 31b is opened facing vertically upward (that is, when the detergent tank 31 is not tilted). ing.

The detergent tank 31 is supported by the joint pipe part 32 so that the opening part 31b opens vertically upward. In other words, the joint pipe portion 32 supports the detergent tank 31 horizontally.

Note that in the present specification, "vertical" is not limited to strictly vertical, and may be approximately vertical. Here, "substantially vertical" includes a range of ±8 degrees with respect to the direction of gravity (vertical direction). Furthermore, in the present specification, "horizontal" is not limited to strictly horizontal, but may be approximately horizontal. Here, "substantially horizontal" includes a range of ±8 degrees with respect to the direction (horizontal direction) perpendicular to the direction of gravity.

The structure of the joint tube section 32 will be explained in more detail below.
The joint tube portion 32 includes a first tube portion 32a, a second tube portion 32b, and a bent portion 32c. The first tube portion 32a is a portion of the joint tube portion 32 above the bent portion 32c. The first pipe section 32a is connected to the injection hole section 13 of the bathtub 10. In this example, the first pipe section 32a is connected to the injection hole section 13 via the attachment section 35. The first tube portion 32a extends in the same direction as the opening of the injection hole portion 13. That is, the first tube portion 32a extends in a direction perpendicular to the inclined surface of the inclined portion 12a. In other words, the first tube portion 32a is connected perpendicularly to the inclined surface of the inclined portion 12a.

The second tube portion 32b is a portion of the joint tube portion 32 that is lower than the bent portion 32c. The second pipe portion 32b is connected to the opening 31b of the detergent tank 31. The second pipe portion 32b extends in the vertical direction. That is, the first tube section 32a and the second tube section 32b extend in different directions.

The bent portion 32c is located between the first tube portion 32a and the second tube portion 32b, and is bent. By providing the bent portion 32c, the joint tube portion 32, which extends in the same direction as the opening of the injection hole portion 13 at the upper portion (first tube portion 32a), is extended in the vertical direction at the lower portion (second tube portion 32b). be able to. In other words, the bent portion 32 converts the first tube portion 32a extending diagonally downward into the second tube portion 32b extending vertically downward. Thereby, the joint pipe part 32 can support the detergent tank 31 so that the opening part 31b faces vertically upward.

In this example, the joint pipe section 32 is separate from the extension section 12 of the bathtub 10. That is, the joint pipe portion 32 is provided so as to be detachable from the extension portion 12 of the bathtub 10. Note that the joint pipe portion 32 may be integrated with the outer extension portion 12 of the bathtub 10.

Further, the joint tube section 32 includes an upper member 321, a lower member 322, and a fastening member 323. The upper member 321 is connected to the injection hole portion 13 of the bathtub 10. The upper member 321 includes at least the first tube portion 32a. The lower member 322 is connected to the opening 31b of the detergent tank 31. The lower member 322 includes at least the second tube portion 32b. The fastening member 323 fastens the upper member 321 and the lower member 322.

The upper member 321 has a cylindrical first cylindrical portion 321a and a first flange portion 321b that extends outward from the first cylindrical portion 321a. A thread for connecting to the attachment part 35 is cut on the outer periphery of the upper part of the first cylindrical part 321a. The first flange portion 321b is provided at the lower part of the upper member 321. In this example, a portion of the lower portion of the upper member 321 (a portion located below the first flange portion 321b) is housed inside the lower member 322.

The lower member 322 has a cylindrical second cylindrical portion 322a and a second flange portion 322b that extends outward from the second cylindrical portion 322a. A thread for connecting to the opening 31b of the detergent tank 31 is cut on the inner periphery of the lower end of the second cylindrical portion 322a. The second flange portion 322b is provided on the upper part of the lower member 322. In this example, the second flange portion 322b is provided at the upper end of the lower member 322.

The fastening member 323 is fastened with the first flange portion 321b of the upper member 321 and the second flange portion 322b of the lower member 322 in contact with each other. That is, the fastening member 323 fastens the upper member 321 and the lower member 322 via the first flange portion 321b and the second flange portion 322b. The fastening member 323 is, for example, a quick fastener.

A seal member 324 is provided at the connection portion between the upper member 321 and the lower member 322. The seal member 324 is, for example, an O-ring. By providing the seal member 324, leakage of detergent from the connection portion between the upper member 321 and the lower member 322 can be suppressed.

In this example, the first flange portion 321b and the second flange portion 322b are provided on the second pipe portion 32b. That is, the upper member 321 consists of the first tube part 32a, the second tube part 32b, and the bent part 32c, and the lower member 322 consists of the second tube part 32b. In other words, the bent portion 32c is provided on the upper member 321.

By providing the first flange portion 321b and the second flange portion 322b on the second pipe portion 32b extending in the vertical direction, the fastening member 323 It can be concluded by. In other words, the first flange portion 321b and the second flange portion 322b can be fastened together by the fastening member 323 in a state where they are both horizontal.

Note that the bent portion 32c may be provided on the lower member 322. In this case, the upper member 321 includes a first tube portion 32a, and the lower member 322 includes a first tube portion 32a, a second tube portion 32b, and a bent portion 32c.

6 and 7 are explanatory diagrams schematically showing a method of assembling the bathtub unit according to the embodiment.
As shown in FIG. 6, in the method for assembling the bathtub unit according to the embodiment, as a first step, the first flange portion 321b is held horizontally using the jig 200, and the injection hole portion 13 is Attach the upper member 321 of the joint tube section 32. The first step is performed, for example, in a factory.

The jig 200 includes a storage section 201 that accommodates the upper member 321 and a fixing section 202 that fixes the jig 200 to the bathtub 10. The fixing portion 202 has a groove whose side surfaces are vertical and whose bottom surface is horizontal. The jig 200 can be made horizontal by bringing the bottom surface of the groove of the fixing part 202 into contact with a portion of the bathtub 10 whose lower end is horizontal (for example, an upright surface). Thereby, the jig 200 can hold the upper member 321 while keeping the first flange portion 321b horizontal.

In the first step, with the upper member 321 held by the jig 200, the attachment part 35 is rotated from above the injection hole part 13 and attached to the upper member 321. Thereby, the upper member 321 can be attached to the injection hole part 13 (attachment part 35) without moving the upper member 321 and with the first flange part 321b kept horizontal.

As shown in FIG. 7, in the bathtub unit assembly method according to the embodiment, the lower member 322 is then attached to the opening 31b of the detergent tank 31 as a second step. The second step is performed, for example, in a factory. Note that the second step may be performed at the construction site. Further, the second step may be performed before the first step, after the first step, or simultaneously with the first step.
Furthermore, the second step may be omitted by integrally molding the detergent tank 31 and the lower member 322.

In the second step, for example, the lower member 322 is rotated and attached to the opening 31b of the detergent tank 31. Thereby, the detergent tank 31 can be attached to the lower member 322 without moving the detergent tank 31.

As shown in FIG. 7, in the bathtub unit assembly method according to the embodiment, as a third step, the first flange portion 321b of the upper member 321 and the second flange portion 322b of the lower member 322 are vertically aligned. They are fastened by a fastening member 323 in a state where they face each other in the direction. The third step is performed, for example, at a construction site. The third step is performed after the first step and the second step.

In the third step, the first flange portion 321b of the upper member 321 previously attached to the injection hole portion 13 in the first step, and the second flange portion of the lower member 322 previously attached to the detergent tank 31 in the second step. The portion 322b is fastened by a fastening member 323. When attaching the upper member 321 to the injection hole part 13 in the first step, the first flange part 321b is kept horizontally, so the detergent By simply holding the tank 31, the first flange portion 321b and the second flange portion 322b can be made to face each other in the vertical direction.

Hereinafter, the effects of the bathtub unit 100 and its assembly method according to the embodiment will be described.
When the bathtub cleaning device 30 is installed in a bathtub 10 with an inclined outer extension part 12, since the outer extension part 12 where the injection hole part 13 is provided is inclined, it is difficult to attach the detergent tank 31 straight to the injection hole part 13. , the detergent tank 31 is installed in an inclined state. When the detergent tank 31 is attached to the bathtub 10 in an inclined state, the detergent tank 31 occupies more wasted installation space than necessary, and there is a possibility that routing work of the detergent liquid feed pipe section 34 and the like becomes difficult. Furthermore, since the detergent tank 31 is installed to fit snugly into a narrow space, if the detergent tank 31 is attached to the bathtub 10 in an inclined state, the detergent tank 31 may interfere with the bathtub 10 or piping, and the detergent tank 31 may There is a possibility that it will not be able to be firmly fixed to the bathtub 10.

On the other hand, according to the embodiment, in the joint pipe part 32 that connects the injection hole part 13 and the detergent tank 31, the first pipe part 32a connected to the injection hole part 13 and the opening part 31b of the detergent tank 31 are connected to each other. A bent portion 32c is provided which is bent between the connected second pipe portion 32b. Thereby, when the detergent tank 31 is attached to the inclined injection hole part 13, the detergent tank 31 can be supported by the joint pipe part 32 having the bent part 32c so that the opening part 31b opens vertically upward. . That is, the detergent tank 31 can be attached to the inclined injection hole portion 13 without tilting. Therefore, it is possible to prevent the detergent tank 31 from occupying an unnecessarily wasteful installation space, so that the work of routing the detergent liquid feeding pipe portion 34 and the like can be easily performed. Further, since the detergent tank 31 can be prevented from interfering with the bathtub 10, piping, etc. when the detergent tank 31 is attached, the detergent tank 31 can be securely fixed to the bathtub 10.

Furthermore, when the remaining amount detecting section 40 is provided inside the detergent tank 31, if the detergent tank 31 is installed in an inclined state, the remaining amount detecting section 40 may not be able to accurately detect the remaining amount of detergent. . For example, if the remaining amount detection unit 40 is located above the tilted detergent tank 31, the detergent will collect on the lower side of the tilted detergent tank 31, so even though some detergent remains, the detergent will run out. It will be falsely detected. In this case, even though there is sufficient detergent remaining in the detergent tank 31, the solenoid valve provided in the detergent liquid supply pipe section 34 discharges the detergent from the detergent tank 31 based on the false detection by the remaining amount detection section 40. It operates to stop the supply of detergent to the section 33. As a result, the original capacity of the detergent tank 31 cannot be used up. Further, for example, when the remaining amount detection section 40 is located below the inclined detergent tank 31 and the detergent liquid supply pipe section 34 is connected to the upper side of the inclined detergent tank 31, the detergent Since the detergent collects on the lower side of the tank 31, it is falsely detected that a large amount of detergent remains even though there is little detergent. In this case, even though the amount of detergent in the detergent tank 31 is low, the solenoid valve provided in the detergent liquid supply pipe section 34 discharges detergent from the detergent tank 31 based on the false detection by the remaining amount detection section 40. The detergent continues to be fed to the section 33. As a result, air enters the detergent liquid feeding pipe section 34, resulting in a decrease in cleaning performance, or the detergent dries and sticks, resulting in problems.

On the other hand, according to the embodiment, since the detergent tank 31 can be attached to the inclined injection hole part 13 without tilting, when the remaining amount detection part 40 is provided inside the detergent tank 31, The remaining amount of detergent can be accurately detected by the remaining amount detection section 40. As a result, the solenoid valve provided in the detergent liquid feed pipe section 34 can be operated correctly according to the remaining amount of detergent, and the original capacity of the detergent tank 31 can be used up, and air can be removed from the detergent liquid feed pipe section 34. This can prevent the detergent from entering the detergent, reducing cleaning performance, and causing problems due to the detergent drying and sticking.

Moreover, when attempting to integrally mold the bathtub 10, which has a complicated shape in which the outer extension part 12 is inclined, and the joint pipe part 32, which has the bent part 32c, molding defects such as sink marks are likely to occur due to the complexity of the shape. Become. If a molding defect occurs, there is a risk that the detergent tank 31 will be attached in an inclined state even if the joint pipe portion 32 having the bent portion 32c is provided.

On the other hand, according to the embodiment, by making the joint pipe part 32 and the outer extension part 12 of the bathtub 10 separate, it is possible to separately mold the bathtub 10 and the joint pipe part 32, which have complicated shapes. can. Thereby, it is possible to suppress the occurrence of molding defects in each component, and it is possible to more reliably attach the detergent tank 31 without tilting it.

For example, when attaching the detergent tank 31 to the injection hole section 13 via the joint pipe section 32, the detergent tank 31 is attached to the joint tube section 32 connected to the injection hole section 13, It is conceivable to attach a joint pipe section 32 connected to the detergent tank 31 to the hole section 13. However, if the detergent tank 31 or the joint pipe portion 32 connected to the detergent tank 31 is to be attached by screwing, the detergent tank 31 having a large volume will be attached by turning it like a screw, resulting in poor workability. Further, depending on the shape of the detergent tank 31, when the detergent tank 31 is rotated, the detergent tank 31 may interfere with the bathtub 10, piping, etc., making installation difficult.

On the other hand, according to the embodiment, the joint tube part 32 includes an upper member 321 having a first flange part 321b, a lower member 322 having a second flange part 322b, a first flange part 321b and a second flange part. 322b. With this, by simply connecting the upper member 321 to the injection hole part 13 and the lower member 322 to the detergent tank 31 in advance, and fastening the first flange part 321b and the second flange part 322b with the fastening member 323, The detergent tank 31 can be easily attached to the injection hole section 13 via the joint pipe section 32. In other words, there is no need to turn the large-volume detergent tank 31 like a screw to attach it, so that workability can be improved. Further, since there is no need to attach the detergent tank 31 by turning it like a screw, interference of the detergent tank 31 with the bathtub 10, piping, etc. can be suppressed.

Further, according to the embodiment, the first flange portion 321b and the second flange portion 322b are provided on the second pipe portion 32b. That is, the bent portion 32c is provided on the upper member 321. Thereby, the first flange part 321b and the second flange part 322b can be fastened by the fastening member 323 in a state where they face each other in the vertical direction, so the first flange part 321b and the second flange part 322b can be The fastening work can be performed more easily than when fastening with the fastening member 323 while facing each other. Therefore, the detergent tank 31 can be attached more easily.

Further, according to the embodiment, a first step of attaching the upper member 321 to the injection hole portion 13 of the bathtub 10 using the jig 200, a second step of attaching the lower member 322 to the opening portion 31b of the detergent tank 31, The bathtub unit 100 can be easily assembled by performing the steps in advance at the factory and then performing the third step of fastening the first flange portion 321b and the second flange portion 322b at the construction site. Furthermore, by performing the first step using the jig 200, the detergent tank 31 can be more reliably and easily attached without tilting.

As described above, according to the embodiment, when installing a detergent tank in an inclined injection hole, it is possible to easily route the detergent liquid supply pipe, and the detergent tank can be firmly attached to the bathtub. A bathtub unit and a method of assembling the bathtub unit are provided.

The embodiments of the present invention have been described above. However, the invention is not limited to these descriptions. Appropriate design changes made by those skilled in the art with respect to the above-described embodiments are also included within the scope of the present invention as long as they have the characteristics of the present invention. For example, the shape, size, material, arrangement, etc. of each element included in the bathtub unit etc. are not limited to those illustrated and can be changed as appropriate.
Furthermore, the elements of each of the embodiments described above can be combined to the extent technically possible, and combinations of these are also included within the scope of the present invention as long as they include the features of the present invention.

10 Bathtub, 11 Main body, 11a Bottom, 11b Side, 12 Extended portion, 12a Inclined portion, 13 Injection hole, 20 Waterproof pan, 20a Bottom, 20b Side, 30 Bathtub cleaning device, 31 Detergent tank, 31a Tank body , 31b opening part, 31c outlet part, 32 joint pipe part, 32a first pipe part, 32b second pipe part, 32c bending part, 33 discharge part, 34 detergent liquid feeding pipe part, 35 attachment part, 36 filter, 37, 38 first and second seal members, 40 remaining amount detection section, 100 bathtub unit, 200 jig, 201 storage section, 202 fixing section, 321 upper member, 321a first cylinder section, 321b first flange section, 322 lower member , 322a second cylinder part, 322b second flange part, 323 fastening member, 324 sealing member, P pump, S space

Claims (5)

A bathtub equipped with an injection hole for injecting detergent;
a detergent tank provided below the injection hole and storing the detergent injected from the injection hole;
a joint pipe portion connecting the injection hole portion and the detergent tank;
a discharge unit that discharges the detergent stored in the detergent tank into the bathtub;
a detergent liquid sending pipe section that sends the detergent in the detergent tank to the discharge section;
Equipped with
The bathtub has a main body that stores hot water, and an outer extension that extends outward from the upper end of the main body,
The external extension part has an inclined part inclined with respect to the horizontal direction,
The injection hole portion is provided in the inclined portion,
The detergent tank has a tank body for storing the detergent, and an opening provided at the upper part of the tank body to which the joint pipe part is connected,
The joint pipe part is bent between a first pipe part connected to the injection hole part, a second pipe part connected to the opening part, and the first pipe part and the second pipe part. It has a bent part;
The bathtub unit is characterized in that the joint pipe part supports the detergent tank so that the opening part opens vertically upward by the bent part. The bathtub unit according to claim 1, wherein the joint pipe portion is separate from the outer extension portion. The joint pipe portion includes an upper member connected to the injection hole portion and having a first flange portion, a lower member connected to the opening portion and having a second flange portion, the first flange portion and the second flange portion. The bathtub unit according to claim 2, further comprising a fastening member for fastening the bathtub unit. 4. The bathtub unit according to claim 3, wherein the first flange portion and the second flange portion are provided on the second pipe portion and are fastened by the fastening member while facing each other in a vertical direction. A method of assembling a bathtub unit according to claim 4, comprising:
A first step of attaching the upper member to the injection hole portion while keeping the first flange portion horizontal using a jig;
a second step of attaching the lower member to the opening of the detergent tank;
After the first step and the second step, a third step of fastening the first flange portion and the second flange portion with the fastening member in a state where they face each other in the vertical direction;
A method of assembling a bathtub unit characterized by comprising:

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