JPH08266433A - Hot water-circulating device for bathtub - Google Patents

Abstract

PURPOSE: To easily form an air jet stream, and discharge a purified hot water from a discharging port by mixing air which is drawn through an air feeding pipe arranged in a hot water discharging pipe into the purified hot water which flows in a hot water discharging pipe. CONSTITUTION: A hot water discharging part 30 consists of a hot water discharging pipe 32 with a large diameter which communicates with a filtering tank at the rear end part through an elastic hose 31 which is approx. vertical to the filtering tank, and an air feeding pipe 33 with a small diameter which is concentrically arranged in the hot water discharging pipe 32. The tip of the air feeding pipe 33 is located in the vicinity of the hot water discharging port of the hot water discharging pipe 32, and the rear end of the air feeding pipe 33 is connected to an air hose 34 which communicates with the outside air to constitute an air ejector.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot water circulating device for bathtubs.

[0002]

2. Description of the Related Art A number of hot water circulating devices for bathtubs have been filed and disclosed in the present invention. As an example, the actual Kaihei 2-
There is 137664 publication.

[0003]

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention The injection-suction member in the hot water circulation type bathtub device described in the above publication has a suction port, an injection port, and a hot water refining material built in the bathtub casing in which these are mounted. However, the casing in the bathtub tends to increase in size. The present invention solves the above problems, and a hot water circulating device for a bath, which does not store a fining material in a casing in a bath, and easily jetizes a hot water jet flow without reducing the flow rate thereof. It is intended to be offered to the market.

[0004]

In order to solve the above-mentioned problems, this specific invention provides a main body part in which a filtration tank filled with a warm water circulating fining material is built, and a detachable jetter case in the main body part. In a hot water circulating device for a bath, which comprises a stored hot water intake / exhaust unit, the hot water intake / exhaust unit includes a hot water suction unit and a hot water discharge unit, and the hot water discharge unit is connected via a hose substantially vertical to the filtration tank. It consists of a large-diameter hot water discharge pipe communicating at its rear end and a small-diameter air supply pipe concentrically fixed in the hot water discharge pipe. The tip of this air supply pipe is near the hot water discharge port of the hot water discharge pipe. The rear end of the air supply pipe is connected to an air hose communicating with the outside air to form an air ejector.
The hot water discharge pipe is rotatable around the vertical axis of the air hose in a horizontal plane in a desired range along the guide groove of the jetter case. In order to solve the above-mentioned problems, it is preferable that the air supply pipe in the hot water circulation device for a bathtub is detachably fixed to the hot water discharge pipe at a rear end thereof. In order to solve the above-mentioned problems, it is preferable in terms of preventing water leakage that the air hose in the hot water circulation device for a bath has elasticity and is watertightly connectable to the connection portion of the hot water discharge pipe. In order to solve the above problems, a hose of a handy massager is detachably connectable via a joint to a cylindrical nozzle watertightly attached to a hot water discharge port of the hot water discharge pipe in the hot water circulation device for a bathtub. It is convenient for operation of the handy massager to be characterized.

[0005]

The operation of the invention described in claim 1 will be described below together with its method of use. First, the main body is placed and fixed on a triangular corner of the bathtub or the like. Next, a hot water intake / exhaust part is connected to the main body by a hose, and the hot water intake / exhaust part is positioned in the bath water. In this state, the pump provided in the main body is started to suck hot water from the hot water suction unit,
It passes through a warm water circulating fining material in a filtration tank built in this main body through a hose. The hot water purified by the hot water circulation fining material is discharged into the bathtub through the hot water discharge pipe via the hose. At this time, the outside air sucked through the air hose flows into the warm water flowing through the warm water discharge pipe, and the warm water is discharged as a jet stream from the warm water discharge port. The discharge direction is arbitrarily changed by manually rotating the hot water discharge pipe around the vertical axis of the hose to massage the waist and the like of the bather.

According to the operation of the invention described in claim 2, in addition to the operation of the invention described in claim 1, the air supply pipe is
It is detachably fixedly held in the hot water discharge pipe against the flow of hot water. When the air supply pipe is replaced, this fixing is released, and the hot water discharge pipe is taken out from the hot water discharge port and replaced. According to the invention of claim 3,
In addition to the action of the invention described, an elastic hose is watertightly connected to the connection part of the hot water discharge pipe, and the total amount of the warm water, which is clear water from the filtration tank, flows into the hot water discharge pipe without leaking water into the jetter case. Let

According to the invention of claim 4, claim 1,
In addition to the actions of the invention described in a few items, the user, particularly the bather, grips the handy massager through the joint, and directs the hot water discharger of the handy massager in an arbitrary direction to arm, neck, etc. Massage with warm water. At this time, the air is not sucked into the warm water.

[0008]

【Example】

Example 1 This example is a representative example of the invention described in claims 1, 2 and 3. In FIG. 1, A is a main body B having a built-in filtration tank 24 filled with a warm water circulating fining material that is placed and fixed on the edge of a bath (not shown), and the main body B
1 shows a hot water circulating device for a bath, which includes a hot water suction / discharge part C housed in a removable jetter case 20. The warm water suction / discharge section C includes a warm water suction section 21 and a warm water discharge section 30. The hot water discharger 30 has a large-diameter hot water discharge pipe 32 communicating at the rear end thereof with an elastic hose 31 substantially perpendicular to the filtration tank 24, and a small diameter concentrically arranged inside the hot water discharge pipe 32. Of the air supply pipe 33, the tip of the air supply pipe 33 is located in the vicinity of the hot water discharge port of the hot water discharge pipe 32, and the rear end of the air supply pipe 33 is connected to an air hose 34 communicating with the outside air. It constitutes an air ejector. The hot water suction unit 21 is connected to the primary side of the pump P provided in the main body B by piping. The rear end of the air supply pipe 33 is detachably fixed to the hot water discharge pipe 32. That is, the hot water discharge pipe 32 has a substantially L shape, and the hose 31 is attached to the vertical pipe portion 32a.
Is detachably and watertightly connected, and a cylindrical jet nozzle 35 for discharging hot water is detachably and watertightly attached to a tip of a horizontal pipe portion 32b of the horizontal pipe portion 32 of the hot water discharge pipe 23.
A jaw 36, which abuts the upper and lower inner surfaces of a guide groove (not shown) formed in the jetter case 20, is formed integrally with the jet nozzle 35 so as to extend vertically, near the tip of b. It has a shape protruding from (see FIG. 3). The hot water discharge pipe 3 along this guide groove
2 is rotatable in a desired range around the vertical axis of the hose 31 in a horizontal plane. A connecting hollow flange 37 for attaching an air hose protrudes outward from an end portion on the side opposite to the tip of the horizontal pipe portion 32b, that is, a corner portion of the L-shaped hot water discharge pipe 32 along the axis of the horizontal pipe portion. A pipe 38 for connecting the air hose 34 is provided so as to stand upright on the upper surface of the hollow flange 37.
On the side surface of 7, there is provided a projection 60 having a female screw engraved therein into which the screw 39 for fixing the air of the air supply pipe is engraved (see FIGS. 2, 3 and 4).

Embodiment 2 This embodiment is a representative embodiment of the invention described in claim 4 and is different from Embodiment 1 in that the jet nozzle 3 is used.
The hose 41 of the handy massager 40 is detachably watertightly fitted and connected to the outer peripheral surface of the connector 5 via the joint 50 (see FIG. 5). Other than that, the same reference numerals as those of the first embodiment indicate the same operations. Since the operation of each embodiment is the same as the operation of the invention described in the corresponding claim, the description thereof is omitted here.

[0010]

According to the invention described in claim 1,
The air sucked through the air supply pipe arranged in the hot water discharge pipe is mixed with purified warm water flowing through the hot water discharge pipe to easily form an air jet flow, and as a jet flow from the discharge port. Clean hot water can be discharged. Also,
It is not necessary to form a bellows portion in the hot water discharge pipe, and the structure can be simplified.

The effect of the invention described in claim 2 is, in addition to the effect of the invention described in claim 1, that the air supply pipe resists the flow of hot water into the hot water discharge pipe and the flow of the jet flow. Can be fixed and held without any trouble. Further, the air supply pipe can be easily replaced by releasing the fixing of the rear end portion.

According to a third aspect of the invention, in addition to the effects of the first and second aspects of the invention, the hose has elasticity and is watertightly connectable to the connection portion of the hot water discharge pipe. Therefore, the entire amount of the hot water clarified in the filtration tank can be discharged as a jet stream from the hot water discharge port without leaking from the connection portion between the hose and the hot water discharge pipe. The effect of the invention described in claim 4 is, in addition to the effect of the invention described in claims 1, 2, and 3, the posture of the handy massager can be freely changed regardless of the direction of the hot water discharge port, It is possible to spray clean hot water to the area to be massaged. Each embodiment can exert the effects of the invention described in the corresponding claims, and since the jaw 36 abuts on the inner surface of the jetter case 20, the hot water discharge pipe 32 is smoothly guided along the guide groove of the jetter case 20. Guide can be rotated.

[Brief description of drawings]

FIG. 1 is a partially omitted exploded perspective view of a first embodiment.

FIG. 2 is an exploded perspective view of a hot water discharge part of FIG.

FIG. 3 is a front view of an assembly of FIG. 2 with some parts omitted.

FIG. 4 is a partially cutaway front view of FIG.

FIG. 5 is a schematic diagram of a second embodiment.

[Explanation of symbols]

 32 Hot water discharge pipe 33 Air supply pipe

Claims (4)

[Claims] 1. A hot water circulating device for a hot water bath, comprising: a main body containing a filtration tank filled with a hot water circulating fining material; and a hot water intake / exhaust portion housed in a removable jetter case on the main body. The hot water intake / exhaust part includes a hot water suction part and a hot water discharge part, and the hot water discharge part is a large-diameter hot water discharge pipe that communicates at its rear end via a hose that is substantially vertical to the filtration tank. It consists of a small-diameter air supply pipe concentrically fixed in the hot water discharge pipe, the tip of this air supply pipe is located near the hot water discharge port of the hot water discharge pipe, and the rear end of this air supply pipe is the outside air. Is connected to an air hose that communicates with the air hose and constitutes an air ejector, and this hot water discharge pipe is rotatable around the vertical axis of the air hose within a desired range in the horizontal plane along the guide groove of the jetter case. Tub hot water circulation system, characterized in that to are. 2. The hot water circulation device for a bath according to claim 1, wherein the air supply pipe is detachably fixed to the hot water discharge pipe at a rear end portion thereof. 3. The hot water circulation device for a bath according to claim 1, wherein the air hose has elasticity and can be connected to the connection portion of the hot water discharge pipe in a watertight manner. 4. A hose of a handy massager is detachably connectable to a cylindrical jet nozzle watertightly attached to a hot water discharge port of the hot water discharge pipe via a joint. The hot water circulation device for a bathtub according to 2 or 3.