JP2610543B2 - Forced reflux water pool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION BACKGROUND OF THE INVENTION (1) Field of Industrial Application The present invention relates to a water flow pool in which a flow is provided to water in a tank, and particularly to a forced reflux water flow pool.

(2) Prior Art It is conventionally known that water (including cold water and hot water) in a pool is moved to form a water flow pool.

And as means to move the water in the pool,
A method of forming a flow in a pool by providing a discharge port and a discharge port and simultaneously discharging water from the discharge port and discharging water from the discharge port, or using a stirrer,
A method of stirring and moving water in a pool is employed. Further, in a small pool, a jet stream may be created by using a jet type jetting means to move water in the pool. Further, in the above, there is a method in which a discharge port and a discharge port are connected by a pipe or the like, a transmitter is provided therebetween, and a forced reflux type is adopted.

However, the above-mentioned conventional means for moving water in the pool by means of an outlet and an outlet requires the supply of fresh water at all times, which is extremely uneconomical depending on the purpose of use. It is. In addition, in the stirring type and the jet flow type,
The movement of water or the like is performed at random, and a flow in a certain direction cannot always be expected. Further, it is difficult to say that the forced-reflux water transfer means effectively uses the flow of water for the return means.

(3) Problems to be Solved by the Invention The present invention solves the drawbacks of the above-mentioned types of water flow pools, and in this kind of water flow pool, a forced water flow can be effectively used as a reflux means. It is intended to provide a reflux water flow pool.

Further, it is another object of the present invention to provide a means capable of sending a strong discharge flow into the water tank in the forced reflux type water flow pool.

B. Configuration of the Invention (1) Means for Solving the Problems The forced reflux water flow pool of the present invention employs the following configuration to achieve the above object. That is, the tank portion 1 is divided into an upstream side and a downstream side, and the tank portion on the downstream side is a deep tank portion having a deep water depth.
1A, a return path 2 having a closed cross section having a width smaller than the width of the tank section and having a reduced cross section is formed at a lower portion of the upstream tank section, and one end of the return path 2 Is a rising portion 2a reaching the upper portion of the upstream tank portion, a discharge port 3 communicating with the tank portion is formed, and the other end of the return path 2 is upstream of the deep tank portion 1A. A suction port 4 communicating with a side wall of the step portion with the side water tank is formed, and a rising portion of the return path 2 is formed.
2a, a water flow control member composed of flat control plates 24 and 25 having plate surfaces arranged orthogonally is attached to the discharge port 3 and is driven by a driving motor 15 facing the discharge port 3. It is characterized in that the screw blades 17 of the operated water jetting device 6 are arranged.

(2) Action By the screw action of the screw blade 17 arranged facing the discharge port 3, water in the recirculation path 2 is sucked out and sent out as a jet flow toward the discharge port 3. The water injected from the outlet 3 flows in the tank 1 and is introduced into the suction port 4 formed on the other end of the tank 1. The water introduced into the suction port 4 moves in the reflux path 2 and is again guided to the discharge port 3. By repeating this, the forced reflux of water is performed.

In this recirculating water flow, the water in the recirculating passage 2 is subjected to an action of reducing the cross-section to increase the flow velocity and perform an efficient recirculating action, and the screw blade 17 is disposed facing the discharge port 3, so that the tank A strong water flow can be sent out into the part 1 and an easily controlled water flow is created.

In the deep tank section 1A, it becomes a standing swim section, and a health promotion function is further added to the main flow pool.

In addition, the control plates 24 and 25 allow the jet flow sent out by the screw blades 17 to flow along the plate surface of the control plate, whereby the discharged water flow reaches the far side of the tank portion and enters the tank portion 1 as much as possible. Creates a uniform water flow.

(3) Example An example of the forced reflux water flow pool of the present invention will be described with reference to the drawings.

1 to 6 show an embodiment of a forced-reflux water flow pool according to the present invention. 1 and 2 show the overall configuration of one embodiment, FIG. 3 shows a partial configuration thereof, and FIGS. 4 to 6 show another aspect of the main part thereof. The arrow in the figure indicates the direction of the water flow.

As shown in FIGS. 1 to 3, a forced-reflux water flow pool P (hereinafter, simply referred to as a “water flow pool”) according to one embodiment of the present embodiment is formed in a tank portion 1 and a lower portion of the tank portion 1. A return path 2, a discharge port 3 and a suction port 4 formed in communication between an end of the return path 2 and the tank section 1, and a water flow transmission disposed facing the back of the discharge port 3. It is composed of the main parts of the punching machine 6.

 Hereinafter, the detailed configuration of each unit will be described.

The tank section 1 is divided into an upstream side and a downstream side, and is formed by a side wall section 8 of the tank body and a partition plate 9 arranged in the tank body.

In the upstream tank portion, the upper edge portion is filled with water as a normal water level, and a sufficient length and volume for a person to lie down and take a swimming posture is secured. Then, a swimming state is taken by causing a reflux of water in the water, so that swimming training can be performed or a body is stimulated to maintain and improve health.

A deep tank portion 1A having a deep water depth is formed in the downstream tank portion, and a step portion a is formed between the downstream tank portion and the upstream tank portion. This deep tank 1A
Is a standing swim section, when water is filled to the normal water level,
Can take a standing swim posture. 27 is a tile part.

The return channel 2 has a closed cross section, and the partition plate 9 of the tank portion 1 on the upstream side.
And the base 10 of the tank body. The width of the return path 2 is smaller than that of the tank 1, and the outlet 3 rises at one end of the tank 1 with a rising portion 2 a, and a discharge port 3 communicating with the inside of the tank 1 near the normal water level. Be established. The reduction ratio of the cross section of the return channel 2 to the tank 1 is 1/5 to 1 as a guide.
/ 10.

The outlet 3 is usually formed in a circular shape, but may have another shape (for example, a square, a rectangle, an octagon, etc.). A rigid net 12 as a water flow control member is mounted on the front surface of the outlet 3.

In addition, a suction port 4 that opens to the deep tank portion 1A is formed at the other end of the return path 2. The suction port 4 has a grating to prevent foreign matter from entering. The suction port 4
Forms part of a step a between the upstream water tank and the deep tank section 1A.

A partition plate 13 is provided in the center longitudinal direction of the return path 2 to partition the water flow in the return path 3 and contribute to an increase in flow velocity.

The water flow delivery device 6 faces the delivery port 3 and is installed in the return path 2.

More specifically, the water flow sending device 6 includes a driving motor 1
5, a drive shaft 16 and a screw blade 17, and a drive motor 15 is fixed to the outside of the tank 1 of the pool P
The drive shaft 16 of the drive motor 15 passes through the side wall 8 of the tub 1 via a watertight bearing 20, and a screw blade 17 is fixed to the tip of the drive shaft.

In this embodiment, a single outlet 3 and a single water flow transmitter 6 are provided for one person, but a plurality of outlets can be freely arranged even for one person.

In addition, although not shown, a drain port is provided in a part of the recirculation path 2, in particular, a lower part of the rising part 2 a, and the drain port is closed with a plug. Instead of the plug, an appropriate conduit is connected from the drain port, water guided from the drain port is guided to a filter (not shown), and returned to the tank portion 1 again, so that water can be recycled. it can.

The water flow pool P of the present embodiment is shown for one person.

In the water flow pool 1 according to the present embodiment having such a configuration, the screw blade 17 is rotated by the driving of the drive motor 15 of the water flow sending device 6, and the water in the recirculation path 2 is sucked out by the rotation action. It is sent to the delivery port 3 as a jet flow.

The net 12 attached to the outlet 3 protects the screw blades 17 and rectifies the water flow.

The water injected from the discharge port 3 flows in the tank section 1, reaches the deep tank section 1A, and flows to the suction port 4 formed in the lower bottom thereof. The water introduced into the suction port 4 moves in the reflux path 2 and is again guided to the discharge port 3. By repeating this, the forced reflux of water is performed.

In the process of forced circulation of the water, the flowing water increases its flow velocity in the circulation path 2 under the effect of reducing the cross section, and does not decrease the flow velocity until reaching the rising portion 2a. Can efficiently discharge the jet stream toward the discharge port 3. Therefore, the water flow sending device 6 requires only a small horsepower, and efficiency can be improved.

 3 to 5 show other embodiments of the water flow control member.

In the embodiment shown in FIGS. 3 and 4, a single control plate 24 is disposed at the center of the front surface of the discharge port 3 toward the inside of the tank portion 1. The control plate 24 is not limited to a single control plate, but may be a mode in which two control plates 25 are arranged side by side as shown in FIG. These control plates 24 and 25 are formed in a flat plate shape, and their plate surfaces are arranged perpendicular to the discharge port 3, and more specifically, perpendicular to the front surface of the screw blade 17.

By these control plates 24, 25, the jet flow sent out by the screw blades 17 flows along the plate surfaces of the control plates 24, 25, thereby increasing the rectification action and making the water flow as uniform as possible in the tank 1. produce. In other words, a strong flow into the tank 1 is brought as far as possible.

C. Effects of the Invention According to the forced reflux water flow pool of the present invention, the tank is divided into an upstream tank and a downstream deep tank, and a reflux path is formed at a lower portion of the upstream tank, and Since the one end portion is a rising portion, and the screw blades are arranged facing the discharge port formed in the rising portion, the water is very smoothly and effectively returned under the effect of reducing the cross section in the return path,
Furthermore, it has made it possible for the running water to be extremely powerful. Therefore, a strong water flow can be obtained with a small power, which is economical.

Further, the water flow energy is concentrated by the control plate disposed at the discharge port, and the water flow flows along the plate surface of the control plate. As a result, a strong water flow is sent out to the tank.

Furthermore, according to the forced-reflux type water flow pool of the present invention, swimming training can be performed by strong water flow action in the tank portion, and the body is stimulated to maintain and improve health. In addition, in the deep tank, a standing swim operation can be performed, and various trainings can be performed.

[Brief description of the drawings]

FIG. 1 is a plan view of an embodiment of a forced reflux pool according to the present invention, FIG. 2 is a longitudinal sectional view at the center thereof, and FIG. 3 is III in FIG.
FIG. 4 is a cross-sectional view taken along the line III, FIG. 4 is a view showing another aspect of the main part, FIG. 5 is a view showing an arrangement of a control plate, and FIG. DESCRIPTION OF SYMBOLS 1 ... Tank part, 1A ... Deep tank part, 2 ... Reflux path, 2a ... Rise part, 3 ... Discharge port, 4 ... Suction port, 6 ... Discharge machine, 13 ... Partition plate , 15 …… Drive motor, 17 ……
Screw blades, 24, 25 ... Control plate

Claims (2)

(57) [Claims] A tank portion is divided into an upstream side and a downstream side, and a downstream tank portion is a deep tank portion having a deep water depth, and a lower portion of the upstream tank portion is wider than a horizontal width of the tank portion. A return path having a closed cross-section that is narrowed and reduced in cross section is formed, and one end of the return path is a rising portion that reaches an upper portion of the upstream-side tank section and communicates with the tank section. A discharge port is formed, and at the other end of the return path, a suction port communicating with a side wall of a step portion with the upstream water tank of the deep tank is formed. A water flow control member composed of a flat control plate having a plate surface arranged orthogonally is attached to the mouth, and a screw blade of a water flow delivery machine operated by a driving motor facing the delivery port is provided. A forced-reflux water flow pool, which is provided. 2. The forced reflux water flow pool according to claim 1, wherein an appropriate number of longitudinally extending partition plates are provided in the return path.