JP2763742B2 - Bathtub unit - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a unit in a bathtub of a hot water circulation treatment apparatus.

[0002]

2. Description of the Related Art A unit in a bath tub of a conventional hot water circulating treatment apparatus includes a front case and a back plate each having an open back and a bottom, both of which are assembled in a box shape. The unit houses a water-absorbing nozzle having a check valve inside. One end of a connection hose is connected to the water-absorbing nozzle, and the other end of the connection hose projects to the upper part of the front case and is connected to a connection pipe. A water absorption pipe extending to the hot water circulation treatment device is connected to the connection pipe. The hot water in the bathtub is absorbed by a water absorption nozzle, a connecting hose, a water absorption pipe, and a hot water circulation treatment device through a net provided at an opening on the lower surface of the unit. A discharge nozzle is provided on the front of the unit. The discharge nozzle is connected to a discharge pipe extending to the hot water circulation processing device through the upper part of the front case. Hot water sterilized and warmed in the hot water circulation treatment device is discharged into a bathtub through a discharge pipe and a discharge nozzle.

In order to discharge air from the discharge nozzle, the discharge nozzle is provided with an air adjustment valve, and one end of the air hose is connected to the adjustment valve and the other end is opened to the outside of the bathtub. And are arranged in parallel.

[0004]

However, since the conventional unit in a bath tub is composed of many parts such as a front case, a back plate, a water suction nozzle, a discharge nozzle, an air adjustment valve, and a connecting hose, the number of assembly steps is reduced. In many cases, there is a problem that assembling work takes time.

[0005] In view of the above problems, an object of the present invention is to provide a unit in a bathtub of a hot water circulation treatment apparatus having a small number of parts and a small number of assembling steps.

[0006]

Means for Solving the Problems To solve the above-mentioned problems, a first aspect of the present invention is to provide a hot water circulating treatment apparatus which comprises a water absorption pipe section for absorbing hot water in a bath tub and flowing the hot water into the hot water circulating treatment apparatus. A discharge pipe section for discharging the hot water sent from the apparatus into the bathtub, and further provided to be connected to the discharge pipe section so as to inhale air and discharge the air into the bathtub together with the discharge of the hot water. In the unit in the bathtub provided with the air suction pipe, the water suction pipe, the discharge pipe, and the air suction pipe are connected to each other by a common fastener.

According to a second aspect of the present invention, the fastener has a pair of grips formed on both sides for gripping the water suction pipe and the discharge pipe, and a mounting portion for the air suction pipe for gripping the air suction pipe at the front. The gist is that is provided.

[0008]

According to the first aspect of the present invention, the water suction pipe, the discharge pipe, and the air suction pipe are connected by the fastener.

In the second aspect, the water suction pipe portion and the discharge pipe portion are gripped by the pair of grip portions of the fastener, and the air suction pipe portion is gripped by the mounting portion provided at the front portion.

[0010]

FIG. 1 shows a first embodiment of the present invention.
This will be described with reference to FIG. As shown in FIG. 2, the unit B in the bathtub is provided with a suction cup 3
At 9, the hot water circulation treatment device 3 is attached to a wall near the inside of the bathtub 2. A water absorption pipe 4 for absorbing hot water and a discharge pipe 5 for discharging the hot water are connected to an upper portion of the unit B in the bathtub. The upper ends of both pipes 4 and 5 are connected to a connection pipe (not shown) provided in hot water circulation treatment device 3.

As shown in FIGS. 1, 3, and 4, the unit B in the bathtub includes a filter support 40, a water absorption pipe 42 communicating with the support 40 and extending upward, and a discharge pipe arranged in parallel with the pipe 42. It is composed of a pipe 41 and a discharge nozzle 48 provided near the end of the discharge pipe 41, and these are integrally formed.

The filter support 40 is formed in a bottomed cylindrical shape having a diameter larger than the diameter of the water absorption pipe 42, and protrudes from the front surface of the unit B. A plurality of straightening ribs 52 are provided forward from the bottom surface of the filter support 40 and are arranged toward the opening of the water absorption pipe 42.
A cover 44 is detachably fitted in the front of the filter support 40. The cover 44 has an opening 43 which is formed so as to protrude downward at a lower portion and open downward.
A sponge 45 is detachably attached to the inside of the cover 44, and the sponge 45 comes into contact with the rib 52 when the cover 44 is attached to the filter support 40. Further, the sponge 45 removes impurities such as hair when sending hot water in the bathtub 2 to the hot water circulation treatment device 3.

A connecting pipe 37 having a priming nozzle 38 is attached to the tip of the water absorbing pipe 42, and the water absorbing pipe 4 is further attached to the connecting pipe 37.
A check valve 49 is provided at the lower end of the connecting pipe 37 so that hot water does not flow from the water absorbing pipe 4 to the water absorbing pipe 42.

As shown in FIGS. 1, 6, 7 and 8,
The air adjusting pipe 54 is provided for the water absorbing pipe 4 and the discharging pipe 5 with the fastener 5.
1 attached. The fastener 51 has a pair of gripping pieces 51a as gripping portions formed on both sides thereof in an arc shape, and the water absorption pipe 4 and the discharge pipe 5 are gripped respectively.
A pair of attachment pieces 51b are formed in the front part of the fastener 51 in an arc shape, and the air adjustment pipe 54 is fitted in a non-rotatable manner. The air adjusting tube 54 is formed in an elbow shape, and an air adjusting screw 50 is detachably screwed to an upper open end. An elastically deformable ring-shaped packing 56 is interposed between the head of the air adjusting screw 50 and the opening end. The air adjustment screw 50 has a male screw portion 50a whose both edges are cut in the length direction. A knob 50b is provided on the head of the screw 50. A female screw 54a into which the male thread portion 50a of the air adjusting screw 50 can be screwed is formed on the inner periphery of the upper end opening of the air adjusting tube 54. A communication hole 54b having an opening 54c is provided at the lower end of the air adjusting pipe 54 so as to communicate with the opening end. An upper end of an air hose 47 is attached to a lower end of the air adjusting pipe 54, and the hose 47 communicates with the opening 54c.

When the air adjusting screw 50 is retracted in the opening direction, a space is formed between the air adjusting screw 50 and the packing 56, and air flows through the space, the cut portion of the male screw portion 50a and the communication hole 54b, and the air hose 47. It is designed to be inhaled. The amount of air can be adjusted according to the degree of screwing of the air adjusting screw 50 with the female screw portion 54a.

As shown in FIGS.
The discharge nozzle 48 is provided at the lower end of
The direction determining member 36 for determining the direction in which the hot water is discharged is attached to the discharge nozzle 48. The rear end of the direction determining body 36 is formed in a double cylindrical shape, and is fitted to the discharge nozzle 48 by an outer cylinder. A nozzle port 48a is fitted inside the discharge nozzle 48. A packing 53 is provided between the nozzle port 48a and the rear end of the inner cylinder of the direction determining body 36.
Is provided. The lower end of the air hose 47 is connected to the upper part of the outer cylinder of the direction determining body 36. Accordingly, the structure between the nozzle port 48a and the direction determining body 36 is an ejector structure, and the air from the air hose 47 is attracted from the rear end of the direction determining body 36 by the hot water discharged from the nozzle port 48a to determine the direction. The water is spouted from the body 36 together with the warm water. Hot water sterilized and warmed in the hot water circulation treatment device 3 passes through the discharge pipe 11 and the discharge nozzle 18 and passes through the air hose 47 to send air to the direction determining member 36, where the same hot water and air are mixed. The water is discharged into the bathtub 2.

A suction cup 39 is attached to the lower end and the upper end on the back side of the filter support 40, and the unit B is placed in the bathtub 2.
It can be attached to and detached from the inner wall. next,
The operation of the bathtub unit B configured as described above will be described.

The hot water in the bathtub 2 passes through the sponge 45 from the opening 43 of the cover 44 in the direction of arrow σ in FIG. At this time, impurities such as hair contained in the warm water are removed by the sponge 45. Next, the hot water is sent from the water suction pipe 42 to the connecting pipe 37 through the check valve 49, and further sent to the hot water circulation processing device 3 through the water suction pipe 4.

The hot water sterilized and warmed by the hot water circulation treatment device 3 is sent to the discharge pipe 41 through the discharge pipe 5 and discharged from the discharge nozzle 48 into the bathtub 2. Also,
The amount of air flowing into the air adjusting pipe 54 is adjusted according to the degree of screwing of the air adjusting screw 50 with the female screw portion 54a.
In addition, the discharge pipe 5, the water absorption pipe 4, and the air adjustment pipe 54 are integrally connected by the fastener 51.

Therefore, according to the unit B in the bathtub of the present embodiment, by arranging the air adjusting pipe 54 on the opening side of the air hose 47 outside the bathtub, not only can the structure be simplified greatly, but also the discharge and main parts of the main part can be reduced. Since the water-absorbing pipes 41 and 42 are integrally formed together with the filter support 40, the number of parts can be reduced and the number of assembling steps can be reduced unlike the conventional case.

Further, since the discharge pipe 5, the water suction pipe 4, and the air adjusting pipe 54 can be integrally connected by one fastener 51, the number of parts and the number of assembling steps can be reduced.

The present invention is not limited to the above embodiment, and may be, for example, as follows. That is, in the present embodiment, the air adjusting pipe 54 is not rotatable with respect to the fastener 51 by the regulating member 57. However, the air adjusting pipe 54 may be fixed to the fastener 51 with an adhesive, for example. Therefore, the air adjustment pipe 5
4 can be securely bonded to the fastener 51.

While the embodiments of the present invention have been described above, technical ideas other than the claims that can be grasped from the above embodiments will be described below together with their effects. (A) The air adjusting pipe (54) is a unit in a bathtub that is fixedly attached to the fastener 51 with an adhesive.

With such a configuration, the air adjusting pipe 54 can be bonded and fixed to the fastener 51.

[0025]

As described above in detail, according to the first aspect, it is possible to connect the water suction pipe section, the discharge pipe section, and the air suction pipe section with a single fastener, so that the number of parts and assembly can be increased. The number of steps can be reduced.

According to the second aspect, the water suction pipe and the discharge pipe can be reliably gripped by the pair of grips, and the air suction pipe can be gripped by the attachment.

[Brief description of the drawings]

FIG. 1 is a front view showing a part of a first embodiment of the present invention as a cross-sectional view.

FIG. 2 is a perspective view showing an installation state of the hot water circulation processing device.

FIG. 3 is also a rear view of the unit in the bathtub.

FIG. 4 is also a side sectional view of a unit in a bathtub.

FIG. 5 is also a side sectional view of a discharge nozzle.

FIG. 6 is a cross-sectional view of the air adjustment tube.

FIG. 7 is a side view of the air adjusting tube.

FIG. 8 is a rear view of the air adjusting screw.

[Explanation of symbols]

2 bathtub 3 hot water circulation treatment device 41 discharge pipe 42
... water absorption pipe part, 47 ... air hose, 51 ... fastener, 51a ...
Gripping portion, 51b: mounting portion, 54: air adjusting tube, 57: regulating member.

Continuation of the front page (56) References JP-A-2-111369 (JP, A) JP-A-6-134017 (JP, A) JP-A-2-49530 (JP, U) JP-A-5-51417 (JP , U) (58) Field surveyed (Int. Cl. ⁶ , DB name) A61H 33/00

Claims (2)

(57) [Claims] 1. A water absorption pipe section (42) for absorbing hot water in a bathtub (2) and flowing hot water into a hot water circulation treatment device (3).
And a discharge pipe section (41) for discharging hot water sent from the hot water circulation treatment device (3) into the bathtub (2).
And an air suction pipe section (47, connected to the discharge pipe section (41)) for sucking air and discharging the hot water and air into the bathtub (2).
54) In the bathtub unit provided with the bathtub, the water suction pipe section (42), the discharge pipe section (41), and the air suction pipe section (47, 54) are connected to each other by a common fastener (51). Inside unit. 2. The fastener (51) has a pair of grips (51a) formed on both sides for gripping a water suction pipe (42) and a discharge pipe (41), and an air suction pipe (47) at a front part. , 5
The unit in a bathtub according to claim 1, further comprising a mounting portion (51b) for an air suction pipe portion (47, 54) for gripping 4).