JP2000314562A - Bus adapter - Google Patents

Abstract

[57] [Abstract] [Problem] To purify bath water requires a large circulation flow rate, and it is necessary to increase the capacity of the circulation pump or use a bus adapter with a built-in jet pump. In addition, when the hot water discharged from the jet nozzle is splashed, the hot water discharged from the jet nozzle directly hits the opposite wall of the bathtub to generate noise, and it is difficult to remove dirt, cotton dust, hair, etc. settled in the bathtub when the circulation flow rate during the purification operation is low. There were issues to be solved. A discharge direction changing plate (19) is provided at a distal end of a guide pipe (14) through which hot water discharged from a jet nozzle (13) passes.
By setting the discharge direction obliquely downward, the discharge flow is prevented from directly hitting the bathtub-to-wall, and dirt, dust, hair, and the like settled in the bathtub are suspended and efficiently removed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bath adapter which is attached to a bathtub wall when bath water is circulated by a water heater with a reheating function.

[0002]

2. Description of the Related Art Bath water after bathing contains dirt, cotton dust, hair, and the like. Usually, these have settled on the bottom surface or floated in the water, giving the bather discomfort. Therefore, conventionally, bathtub water is circulated from the bus adapter to the above-mentioned device through a circulation pipe by using a circulating pump of a purifying device and a water heater with a reheating device built in the purifying device, and a filter of the bath adapter and the inside of the device are circulated. A method of removing in a filtration device has been generally used.

[0003] Further, purification of bathtub water requires a large circulation flow rate to float dirt, cotton dust, hair, etc. settled near the bottom of the bathtub, and in order to avoid a cost increase, a pump with a built-in water heater is used. , A jet nozzle, and a bus adapter utilizing the jet pump effect. The jet pump effect referred to here means that, when the bath water sent to the jet nozzle by the circulation pump is discharged to the cylindrical guide tube, a suction flow is generated by an ejector action, and the jet flows out of the cylindrical guide tube into the bathtub. Sometimes, bathtub water is discharged at a capacity higher than the capacity of the circulation pump (the sum of the discharge flow and the suction flow from the jet nozzle).

[0004]

However, in a bath adapter to which the conventional jet pump effect is applied, when there is no hot water in the bathtub at the start of the hot water jet, hot water discharged from the jet nozzle directly splashes on the bathtub wall. There was noise. In addition, there is a problem that dirt, cotton dust, hair, and the like settled on the bottom of the bathtub cannot be removed when the circulation flow rate is low.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is possible to prevent the occurrence of noise due to splashing during hot water filling without losing the stirring power required for bathtub water purification and to reduce the circulation flow rate. However, an object of the present invention is to provide a bath adapter capable of removing dirt, cotton dust, hair and the like settled in a bathtub.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, a circulating path for circulating bath water into and out of the bath tub, and a bus adapter provided at a connection portion with the bath tub. A jet nozzle from which bathtub water circulated by the bathtub water circulating device is discharged through an outgoing pipe, and a tubular guide pipe for mixing a discharge flow discharged from the jet nozzle with a suction flow from the bathtub. Since the discharge direction changing plate for changing the discharge direction obliquely downward is provided at the tip of the guide tube, splashing occurs during hot water filling without losing the stirring power required for bathtub water purification, and noise is generated. And can remove dirt, cotton dust, hair, etc. settled in the bathtub even when the circulation flow rate is small.

According to the second aspect of the present invention, since the discharge direction changing plate is formed in a cylindrical shape, the discharge directionality is improved, the stirring performance is improved, and even when the circulation flow rate is small, dirt, cotton dust, hair, and the like settled in the bathtub. Etc. can be removed.

According to the third aspect of the present invention, since the discharge direction changing plate covers the vicinity of the center of the discharge flow of the jet nozzle, splashing occurs at the time of filling with water without lowering the stirring performance during circulation. Can be prevented.

According to a fourth aspect of the present invention, the bathtub water circulated by the bathtub water circulation device is discharged through the outflow pipe in the circulation path for circulating the bathtub water into and out of the bathtub and in the bus adapter provided at the connection portion with the bathtub. Jet nozzle, and a cylindrical guide tube for mixing the discharge flow discharged from the jet nozzle and the suction flow from the bathtub, wherein the guide tube is inclined with respect to the discharge direction of the discharge flow from the jet nozzle. Because it has been turned downward, the discharge direction change plate is not required, so that it does not lose the agitation power required for bathtub water purification and prevents splashing and noise from occurring when filling the bathtub. Dirt, cotton dust, hair, etc., which have settled on the surface can be removed.

[0010] In the fifth aspect, the flow path is divided in two or more directions near the tip of the guide tube. Therefore, even when the bath adapter is attached to the long side of the bathtub, it is located near the four corners of the bottom surface of the bathtub. Precipitated dirt, cotton dust, hair, etc. can be removed.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is an overall configuration diagram in which a bus adapter according to an embodiment of the present invention is applied to a water heater with a reheating function. The bath adapter 9 is attached to a bathtub 11 as shown in the figure, and is connected to the water heater 1 with a reheating function via a circulation pipe 8.

During the reheating or purification operation, the circulation pump 1
The bathtub water is sucked from the bath adapter 9 by 0,
The water enters the water heater 1 with a reheating function as a bathtub water circulation device through the circulation pipe 8, and returns to the bathtub 11 through the circulation pipe 8 again through the heat exchanger 3.

When hot water is supplied, the water supplied from the water supply pipe 2 to the water heater 1 with the reheating function is heated by the heat exchanger 3 to become hot water, and the hot water solenoid valve 6 → the check valve 7 → the circulation pipe 8 → the bus Hot water is poured into bathtub 11 through adapter 9.

FIGS. 2A and 2B are block diagrams showing a bus adapter according to an embodiment of the present invention. FIG.
FIG. 2A shows a hot water filling operation, and FIG.
Or it indicates the time of the purification operation.

As shown in FIG. 2A, the hot water from the water heater 1 with the additional heating function flows into the bathtub 11 through both the outgoing pipe 12 and the return pipe 15 at the time of hot water filling. The hot water flowing from the outflow pipe 12 passes through the jet nozzle 13, passes through the guide pipe 14, hits the discharge direction changing plate 19, and the discharge direction is obliquely downward, and does not directly hit the wall against the bathtub, so that splashing noise is generated. Nothing.
The hot water flowing from the return space 15 does not pass through the filter 18 because the hot water flow path switching valve 16 is switched in the direction of flowing hot water through the inside of the separation pipe 17. Therefore, dirt, cotton dust, hair, and the like adhering to the filter 18 do not flow into the bathtub 11.

In addition, as shown in FIG. 2 (b), during reheating or purifying operation, the hot water in the bathtub 11 is filtered by the filter 18 and flows through the filling channel switching valve 16 to the return pipe 15 to reheat. Go to attached water heater 1. When hot water from the hot water supply device 1 with the additional heating function is ejected from the jet nozzle 13 through the going pipe 12, the bathtub water in the suction flow path 20 is sucked by the ejector action, passes through the guide pipe 14, and is discharged in the discharge direction. It is discharged to the bathtub 11 obliquely downward by the change plate 19. As a result, dirt, cotton dust, hair, and the like settled near the bottom of the bathtub are sowed up and removed by the filter 18 to be removed.
The discharge direction changing plate 19 has a range of 15 ° to 60 ° downward with respect to the discharge direction of the jet nozzle 13. Further, here, as the hot water supply device 1 with a reheating function, a reheating water heater with a purification function having a built-in germicidal lamp or a filtering unit may be used. Further, a sponge or a non-woven fabric may be used for the filter 18.

FIG. 3 is a block diagram showing a bus adapter according to one embodiment of the present invention. In addition, about the same structure as above-mentioned embodiment, the same code | symbol is attached | subjected to drawing.
The explanation is omitted. Since the discharge direction changing plate 19 is cylindrical, the discharge directionality is improved, the stirring performance is improved, and even when the circulating flow rate is small, dirt, cotton dust, hair, and the like settled in the bathtub can be removed.

FIG. 4 is a block diagram showing a bus adapter according to one embodiment of the present invention. In addition, about the same structure as above-mentioned embodiment, the same code | symbol is attached | subjected to drawing.
The explanation is omitted. Since the discharge direction changing plate 19 covers the vicinity of the center of the discharge flow of the jet nozzle 13,
Splashing during hot water filling and noise can be prevented without lowering the stirring performance during circulation.

FIG. 5 is a block diagram showing a bus adapter according to one embodiment of the present invention. In addition, about the same structure as above-mentioned embodiment, the same code | symbol is attached | subjected to drawing.
The explanation is omitted. Since the guide tube 14 is obliquely downward with respect to the discharge direction of the discharge flow from the jet nozzle 13, a discharge direction changing plate is unnecessary, and splashing occurs during hot water filling without losing the stirring power required for bathtub water purification. It is possible to prevent noise from occurring and to remove dirt, cotton dust, hair, and the like settled in the bathtub 11 even when the circulation flow rate is small.

FIGS. 6A and 6B are a block diagram (FIG. 6A) showing the guide tube 14 of the bus adapter according to the embodiment of the present invention and a diagram expressing the effect (FIG. 6B). )). In addition, about the same structure as the above-mentioned embodiment,
The same reference numerals are given to the drawings, and description thereof will be omitted. Guide tube 14
By separating the flow direction in two directions near the tip of the bathtub, the discharge direction is separated to the left and right, so that even when the bath adapter is attached to the long side of the bathtub 11, sedimentation occurs near the four corners on the bottom of the bathtub 11. Dust, cotton dust, hair and the like can be removed.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram in which a bus adapter according to an embodiment of the present invention is applied to a water heater with a reheating function.

FIG. 2 is a structural diagram of a bus adapter according to another embodiment of the present invention.

FIG. 3 is a structural diagram of a bus adapter according to another embodiment of the present invention.

FIG. 4 is a structural diagram of a bus adapter according to another embodiment of the present invention.

FIG. 5 is a structural diagram of a bus adapter according to another embodiment of the present invention.

FIG. 6 is a view showing a structure diagram and effects of a guide tube according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Hot water heater with reheating function 2 ... Water supply pipe 3 ... Heat exchanger 4 ... Hot water supply pipe 5 ... Hot water tap 6 ... Hot water solenoid valve 7 ... Check valve 8 ... Circulation piping 9 ... Bus adapter 10 ... Circulation pump 11 ... Bathtub 12 ... Going pipe 13 ... Jet nozzle 14 ... Guide pipe 15 ... Return pipe 16 ... Hot water path switching valve 17 ... separation pipe 18 ... filter 19 ... discharge direction changing plate 20 ... suction flow path

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroki Maruyama 431-1 Uozakihama-cho, Higashinada-ku, Kobe-shi, Hyogo Prefecture Within Nihon Yupro Corporation (72) Inventor Kenichi Kawahara 2-1-1 Nakajima, Kokurakita-ku, Kitakyushu-shi, Fukuoka Prefecture No. 1 To-Toki Equipment Co., Ltd. F-term (reference) 3L037 DA02 DB07 DC08

Claims (5)

[Claims] 1. A jet nozzle through which a bathtub water circulated by a bathtub water circulation device is discharged through a forward pipe in a circulation path for circulating bathtub water into and out of the bathtub, and in a bus adapter provided at a connection portion with the bathtub. A discharge direction changing plate for changing the discharge direction obliquely downward at the tip of the guide tube, comprising a cylindrical guide tube for mixing the discharge flow discharged from the jet nozzle with the suction flow from the bathtub. A bus adapter, comprising: 2. The bus adapter according to claim 1, wherein said discharge direction changing plate has a cylindrical shape. 3. The bus adapter according to claim 1, wherein the discharge direction changing plate covers the vicinity of the center of the discharge flow of the jet nozzle. 4. A jet nozzle through which a bathtub water circulated by a bathtub water circulation device is discharged through a forward pipe in a circulation path for circulating bathtub water into and out of the bathtub, and in a bus adapter provided at a connection portion with the bathtub. And a cylindrical guide tube for mixing the discharge flow discharged from the jet nozzle with the suction flow from the bathtub, wherein the guide tube is inclined downward with respect to the discharge direction of the discharge flow from the jet nozzle. A bus adapter characterized by becoming. 5. The method according to claim 1, wherein the flow path is divided into two or more directions near the distal end of the guide tube.
4. The bus adapter according to 4.