JP3161437B2 - Hot water jet nozzle structure of bubble generating bathtub - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot-water jet nozzle structure of a bubble generating bath with good assemblability and maintainability.

[0002]

2. Description of the Related Art Conventionally, as one form of a bath water jet nozzle of a bubble generating bath, there is one disclosed in Japanese Utility Model Laid-Open No. 61-185419.

[0003] That is, as shown in Fig. 3, the bath water jet nozzle has a nozzle body b attached to a side wall a of a bathtub body via a nozzle body support portion c, and is formed in a ring shape formed in the nozzle body support portion c. The spherical base f of the throat portion e is attached to the throat support piece d by a base receiver g and a pressing spring h so as to swing freely. j is a bath water inflow path, and k is an air inflow path.

In addition, the base receiver g is cylindrical and has a male thread m on the outer peripheral surface, a concave curved surface n on the inner peripheral surface, and a ring-shaped throat formed on the nozzle body support c. A female screw portion p is formed on the inner peripheral surface of the support piece d, and the male screw portion m of the base receiver g is screwed to the female screw portion p to support the spherical base f of the throat portion e from the front. At the same time, the throat portion e is detachably mounted from the inside of the bathtub body with a pressing spring h interposed between the spherical base f and the nozzle body b.

[0005]

However, the above-mentioned bath water jet nozzle has a throat portion e for maintenance and the like.
When the base receiver g screwed to the ring-shaped throat support piece d is removed at the time of removal, the throat e is pressed by the pressing spring h.
As a result, the throat portion e jumps out of the bathtub body and hits the operator, which is dangerous for the removal work.

On the contrary, when the throat portion e is mounted in the assembling operation, the throat portion e is inserted into the base receiver g.
The base receiver g is screwed onto the ring-shaped throat support piece d in a state where the spherical base f is fitted. At this time, a pressing force interposed between the spherical base f of the throat e and the nozzle body b is used. Since the screw h must be screwed against the elastic urging force of the spring h, there has been a problem that such mounting workability is poor.

[0007]

Therefore, according to the present invention, a nozzle body is attached to a bathtub body via a nozzle body support portion, and a throat portion is attached to the tip of the nozzle body so as to swing freely and communicate with each other. A makeup cover is detachably attached to the tip edge of the nozzle body support portion located inside the body, and in the bath water jet nozzle structure of the bubble generating bath tub in which the tip edge is covered with the makeup cover, The base part is slidably abutted on the tip of the nozzle body, and the inner peripheral surface of the throat part pressing body is brought into contact with the outer peripheral surface of the base part of the throat part. A presser spring is interposed between the peripheral edge and the presser spring, which expands and contracts between the throat presser and the decorative cover, thereby attaching the base of the throat to the tip of the nozzle body. The bath water jet nozzle structure of the bubble generating bath, characterized by being configured so as to there is provided cents.

The present invention is also characterized in that the throat retainer, the retainer spring, and the decorative cover are integrally connected.

[0009]

[Function] When performing maintenance of the bath water jet nozzle attached to the bathtub body, first remove the makeup cover from the inside of the bathtub body, and place the cover between the makeup cover and the outer peripheral surface of the base of the throat portion. By taking out the holding spring and the throat part holding body that are provided, and then taking out the throat part where the base is in contact with the tip of the nozzle body, maintenance and the like of these parts can be performed. Maintenance and the like of the nozzle body can be easily performed from the inside of the bathtub body.

Also, the assembling operation can be performed easily by retrofitting the parts in the reverse order to the above.

Further, the inner peripheral surface of the ring-shaped decorative cover may be formed as a tapered surface whose diameter gradually increases from the base end toward the distal end. In this case, the function is performed as follows. be able to.

That is, the throat portion is prevented from protruding into the bathtub body as much as possible, and the swing movable range of the throat portion can be largely secured without changing the size of the decorative cover. It is possible to surely respond to the request of the bathing person jetting direction of the bather, and to provide the bather with a comfortable blow bathing.

[0013]

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

FIG. 1 is a conceptual explanatory view of a bubble generating bathtub A according to the present invention.

In the bubble generating bath A, a bath hot water circulation flow path B comprising a bath hot water suction pipe 11 and a hot water hot feed pipe 12 is provided between the bathtub main body 10 and the circulation pump P. The bath hot water supply pipe 12 is branched from the middle part to three directions, and the branch strong water supply pipes 12a, 12
b, 12c, the tip jet port 12d of one branch strong feed pipe 12a is located above the standard hot water filling surface w in the bathtub body 10, and the bath water is supplied from the tip jet port 12d. Y can be spouted toward the shoulder of the bather N, and a filter F is mounted in the middle of the strong branch pipe 12a.

The tip outlets 12e, 12f of the other two branch strong feed pipes 12b, 12c open to the back side wall and the foot side wall of the bathtub body 10, respectively. From 12f, the bath Y can be spouted toward the back and the foot of the bather N, respectively.

As shown in FIG. 1, the bathtub body 10 is formed in a box shape having an upper surface opening, and a flange-shaped edge portion 10a having a constant width is formed on a peripheral edge thereof. It is formed in an inclined shape so that you can take a bath with
The upper back portion of the backrest portion 10b is provided with a head portion 10c formed in a curved pillow shape which is bulged upward, and the back of the bather N can be hung on the head portion 10c. Like that. 13 is a handle.

On the left and right sides of the head rest 10c, shoulder-side hot-water jet nozzles 14, 14 for jetting the hot-water Y toward both shoulders of the bather N (so-called shoulder blow operation) are attached. Each of the nozzles 14 is connected to a leading jet port 12d formed by branching the tip of a strong branch pipe 12a into two branches.

A back bath jet nozzle 19 and a foot bath jet nozzle 20 are attached to the lower portion of the backrest portion 10b, which is the back side wall of the bathtub body 10, and the lower portion of the foot side wall, respectively. , 20 at the tip outlets 12e, 12e,
12f is connected and connected.

As shown in FIG. 2, the shoulder-side hot-water jet nozzle 14 has a nozzle main body 21 mounted on a nozzle main body supporting portion 15 mounted on a backrest 10b of the bathtub main body 10, and a water discharge passage in the nozzle main body 21. 16 is formed in a penetrating state, a strong feed pipe communication portion 22 is provided on the upstream side of the water discharge passage 16, a hot water jetting portion 23 is provided on the downstream side, a foam forming portion 24 is provided on the downstream side, and further, A throat portion 25 is provided on the downstream side, and the throat portion 25 is configured to be swingable by a decorative cover 28 via a throat portion pressing body 26 and a pressing spring 27.

Then, the bath Y is spouted toward the shoulders of the bather N to the left and right sides of the head rest 10c (so-called shoulder blow operation), and the shoulder side bath spout nozzles 14,14 are used.
Is attached, the air intake flow passage 29 having one end communicating with the foam forming portion 24 along the outer peripheral surface of the throat portion 25.
When this is formed, since this flow path 29 is located above the bath water, the air intake flow path 29 utilizes the negative pressure generated when the bath water is jetted out of the bath water jetting part 23 in the foam forming part 24. Then, the outside air is taken in and mixed into the bath water, so that the foamed bath water Y can be discharged.

The throat portion 25 has a base portion 25a having an outer peripheral surface formed in a spherical shape, an inner peripheral surface formed in a tapered surface whose diameter is gradually reduced toward the distal end, and a distal end portion 25b formed in a cylindrical shape. The base opening 25c of the base 25a is opened in the foam forming section 24, and a sprinkling plate 31 having another number of sprinkling holes 31a is attached to the base opening 25c, and the water is mixed by the sprinkling plate 31. The efficiency is good.

The base portion 25a of the throat portion 25 has its base end side outer peripheral surface slidably slidably in contact with a concave arcuate surface 21a formed at the distal end portion of the nozzle body 21, and the distal end side outer peripheral surface of the base portion 25a. The inner peripheral surface of the ring-shaped throat portion pressing body 26 is brought into contact with the throat pressing member 26.

The throat portion holding body 26 has a plurality of air intake holes 29 formed in the center of a ring-shaped holding body main body 26a in a transversely penetrating state, and an outer peripheral surface of the holding body main body 26a is connected to a nozzle body to be described later. The presser body 26a is slidably fitted into the inner peripheral surface of the inner support portion constituting body 15a of the support portion 15 so that it can slide forward and backward, and the inner peripheral surface of the presser body 26a is fixed to the outer peripheral surface on the distal end side of the base 25a of the throat portion 25 by the pressing spring 27. Pressing is performed by pressing force.

The holding spring 27 is a throat holding member.
26, the tip of the spring 27 is brought into contact with an inner base end surface 28d of a decorative cover 28, which will be described later, and the rear end of the spring 27 is The throat portion is brought into contact with the front surface and interposed between the decorative cover 28 and the throat portion pressing body 26, and the pressing spring 27 expands and contracts between the throat portion pressing body 26 and the decorative cover 28. The base portion 25a is urged toward the tip of the nozzle body 21.

The decorative cover 28 is formed in a ring shape as a whole when viewed from the front. A female screw portion 28b is formed on the inner surface of the outer peripheral surface portion 28a, and the female screw portion 28b is connected to a nozzle body support portion described later.
The inner supporting portion 15a of the inner supporting portion 15a is detachably screwed to a male screw portion 15j formed on the peripheral surface of the tightening flange portion 15c, and the base end surface 28d of the inner peripheral portion 28c is opened in the opening of the inner supporting portion 15a. And the distal end of the pressing spring 27 is received at the base end surface 28d of the inner peripheral surface portion 28c.

Moreover, the inner peripheral surface 28c of the decorative cover 28
Are formed on a tapered surface having a constant angle β from the base end toward the distal end.

In this manner, the throat portion 25 is prevented from protruding into the bathtub body 10 as much as possible, and without changing the size of the decorative cover 28, the swing movable range of the throat portion 25 (swing Angle) can be secured large.

Further, the decorative cover 28 and the holding spring 27 are provided.
By integrally connecting the throat part holding body 26 and the throat part holding body 26, they can be integrally attached and detached, and maintenance and the like of the shoulder side bath water jet nozzle 14 can be performed more quickly and reliably.

The back side bath jet nozzle 19 and the foot side bath jet nozzle 20 have the same basic structure as the above-mentioned shoulder side bath jet nozzle 14, but each nozzle 19, 20 is immersed in the bath water. Therefore, air cannot be taken in from the air intake channel 29 because the air intake channel 29 is submerged in the bath water. Therefore, the base end of the air intake pipe 35 is separately connected to the foam forming section 24 so that the air intake pipe 35
More outside air is taken into the foam forming section 24, and the bath water mixed with bubbles is blown out from the throat section 25.

Further, the bath hot water jetting portion 23 has a structure in which a cross-shaped rib is mounted in a circular hole, so as to increase the flow velocity, increase the negative pressure, and divide the bath hot water so as to jet it out. Can increase the contact area with air,
Air can be efficiently taken in the foam forming section 24, and a mild foam can be formed.

At this time, since the throat section 25 is swingable in the vertical direction, the drop position of the foamy bath Y can be easily changed, and the desired body part of the bather N can be changed. You can massage properly.

Moreover, even when the foamed bath water Y hits both shoulders of the bather N, it does not largely scatter, but flows down into the bathtub body 10 along the shoulders of the bather N. It is possible to reduce waste of bath water and eliminate the need for replenishment of circulating bath water.

The nozzle body support 15 is an inner support structure.
15a and an outer support portion structure 15b, and a packing flange 30 is provided by a tightening flange portion 15c provided on the inner support portion structure 15a and a tightening flange portion 15d provided on the outer support portion structure 15b. The backrest 10b of the bathtub body 10 is detachably screwed through screwing portions 15e, 15f provided on the inner and outer peripheral surfaces of the components 15a, 15b so as to be sandwiched from the inner and outer sides. 15h is a recess for fitting a fastening tool, 32 is a seal ring, and 33 is a slip washer.

In this manner, the shoulder side bath water jet nozzle 14
By removing the makeup cover 28, the holding spring 27, and the throat part holding body 26 from the inside of the bathtub body 10, the nozzle body 21 can be taken out, so that maintenance work, etc., and assembly work after the maintenance work, etc. can be performed easily. I can do it.

In FIG. 1, S denotes a control unit, and an output side of the control unit S is connected to a motor M for driving a circulation pump P. Reference numeral 18 denotes an operation panel connected to the input side of the control unit S. The operation panel 18 is attached to the side wall of the bathroom close to the bathtub main body 10 or the edge 10a of the bathtub main body 10 so that it can be operated at hand.

In this embodiment, the shoulder side bath water jet nozzle
Although the nozzle 14 is attached to the bathtub body 10, the nozzle 14 may be disposed not only in the bathtub body 10 but also on a wall of a bathroom as long as it is above the standard hot water level of the bathtub body 10.

[0038]

According to the present invention, the following effects can be obtained.

A pressing spring is interposed between the throat portion pressing body and the inner peripheral edge of the decorative cover, and the pressing spring expands and contracts between the throat portion pressing body and the decorative cover. Since the base is urged toward the tip of the nozzle body, the holding spring expands and contracts in the front-rear direction, so that the base of the throat section has an appropriate holding force and the nozzle body and the throat section holding body. Thus, it is possible to easily perform the swinging operation of the throat portion with an appropriate operation force, and it is possible to prevent the throat portion from falling off from the nozzle body.

When the throat retainer, the retaining spring, and the decorative cover are integrally connected, they can be integrally attached or detached.
Maintenance and subsequent nozzle assembly work can be performed more quickly and reliably.

[Brief description of the drawings]

FIG. 1 is a conceptual configuration explanatory view of a bathtub apparatus according to the present invention.

FIG. 2 is a sectional side view of a bath water jet nozzle.

FIG. 3 is an explanatory cross-sectional side view of a conventional bath water jet nozzle.

[Explanation of symbols]

 A Bathtub equipment B Bathwater circulation channel F Filtration machine P Circulation pump 10 Bathtub body 11 Bathwater suction pipe 12 Bathwater strong-feed pipe

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A61H 23/00 A47K 3/00

Claims (2)

(57) [Claims] A nozzle body is mounted on a bathtub body via a nozzle body support portion, and a throat portion is mounted on a tip of the nozzle body so as to swing freely and communicate with the nozzle body, and a nozzle body support portion located inside the bathtub body. A makeup cover is removably attached to the tip edge of the bath, and the makeup foam cover covers the tip edge of the bath water jet nozzle structure. The base of the throat is swung to the tip of the nozzle body. It is movably contacted, and the inner peripheral surface of the throat part pressing body is brought into contact with the outer peripheral surface of the base of the throat part, and a pressing spring is provided between the throat part pressing body and the inner peripheral edge of the decorative cover. The holding spring is attached to the throat holding body.
By expanding and contracting between the makeup cover and the throat
A hot-water jet nozzle structure for an air bubble generating bath, wherein the base is biased toward the tip of the nozzle body . 2. The hot-water jet nozzle structure of a bubble generating bathtub according to claim 1, wherein the throat holding body, the holding spring, and the decorative cover are integrally connected.