JP2010023015A - Fountain installation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fountain installation which gives a change to jet water itself by only one nozzle without installing a special device. <P>SOLUTION: The fountain installation includes a nozzle 5 of which discharge openings 53 are installed on the upper surface, of which the water flow openings 51 are installed on the bottom surface and of which the discharge openings and the water flow openings are communicated with a connecting openings 52, and an opening or closing valve 4 rotatably installed in an introducing water pipe 8 of the flowing water, installing a plurality of communicating openings 12 facing the water flowing openings and closing/feeding the flow water flowing in an introducing pipe, and a driving mechanism 2 for rotating the opening or closing valve. By rotating the opening or closing valve, when the water flowing openings formed on the bottom surface of the nozzle and the introducing openings established to the opening or closing valve coincide mutually the flowing water is jetted through the discharge openings of the nozzle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a fountain device, and relates to a fountain device capable of providing a fountain with a change in squirt water.

The fountains usually installed in the corners of parks and factories are very reassuring to entertain our ears and eyes, as well as the mountain streams flowing through the mountains and the waterfalls flowing through the valleys.
However, almost all of the fountains are just spouted up and have no change at all. Some of them have intermittently changed water by ejecting or stopping water with a certain period, and by rotating or swinging the nozzle body using the reaction of the ejected water, There is one in which spout water is made to rotate or swing.
Also, there are some fountain nozzles that are controlled by computer to change the squirting water and invite aesthetics. This is a high-tech fountain. Water dances by flashing lights according to live performances, etc., and by opening and closing the fountain pump and water supply valve to shut off and supply water, creating the fountain shape as if changing. , It makes the world of aqua art appear.

Various fountains devised by the present inventors have been proposed for such problems. For example, Japanese Utility Model Publication No. 54-479 proposes a fountain capable of continuously changing the fountain from a square cross section to a cross shape, or from an inverted conical shape to a cylindrical shape. . In addition, Japanese Utility Model Publication No. 54-2240 proposes a fountain that changes the fountain so that a fan is continuously opened and closed.
Furthermore, Japanese Utility Model Publication No. 57-20293 proposes a fountain that changes the blown water so that a fan is continuously opened and closed, as described in Japanese Utility Model Publication No. 54-2240. .

  Japanese Patent Application Laid-Open No. 8-131900 discloses that the flow of water ejected from the nozzle in the horizontal direction is diffused in a substantially right angle direction by a fan-shaped diffuser plate, and the fan-shaped opening angle of the water diffused by the fan-shaped diffuser plate is limited. A fan-shaped fountain device has been proposed in which a pair of open angle plates are provided so that the angle can be changed, and a fountain having a shape for opening and closing the fan is provided.

Japanese Utility Model Publication No. 54-479 Japanese Utility Model Publication No.54-2240 Japanese Utility Model Publication No.57-20293 JP-A-8-131900

The fountain apparatus described in the above-mentioned patent document has a change in the water that is surely ejected, but in any case, only the reciprocating motion of the ejected water is simply repeated, and the viewer is quickly bored. .
In addition, in the case of the fountain apparatus described in Patent Documents 1 to 3, all of them are a combination of a plurality of gears and a cam mechanism, and there are many mechanical losses, and the driving force obtained by running water is reliably transmitted without waste. Is difficult. And since a cam etc. intervene in the flow path of flowing water, flowing water resistance is large, and since there are many engaging parts and rotating shaft support parts, the possibility of occurrence of water leakage increases and the ejection efficiency is poor.
In the case of the fountain device described in Patent Document 4, a pair of open angle plates that limit and set the fan-shaped opening angle of the water diffused by the fan-shaped diffusion plate are provided so that the angle can be changed, and the angle of the pair of open angle plates is changed and driven. In order to drive the opening angle changing drive device, a powerful power from the outside is indispensable for driving the device, and a great investment in equipment is required. Although it is possible to change the fan-shaped opening angle of the diffusion water, when the opening angle is changed, there is a change in the diffusion water at the opening angle. However, it merely reciprocates within the angle range. Accordingly, the fountain device also simply performs a reciprocating motion.
In addition, when constructing a facility for producing a lively fountain using a large number of nozzles as described above, these devices are of course, but the computer control device for operating the fountain device is enormous. Cost. In addition, the individual nozzles are merely ejected intermittently, and it is possible to produce an effect in which the ejected water moves only when the plurality of nozzles cooperate.

  The present inventors have repeated research and development thereafter, and have solved the above-mentioned various problems, by providing a plurality of discharge ports in the nozzle itself, and opening and closing a water passage hole communicating with the discharge port by an on-off valve, The object is to provide a beautiful and varied fountain with only one nozzle in the fountain itself.

  The present invention is a fountain device designed to change the water ejected from a nozzle, wherein a discharge port is provided on the surface and a water passage hole is provided on the bottom surface. A nozzle that communicates with the connection hole and jets running water from the discharge port, and is rotatably installed in the water conduit of the running water, and is provided with a plurality of communication holes that face the water passage. An on-off valve that shuts off and supplies flowing water and a drive mechanism for rotating the on-off valve. The on-off valve and the bottom surface of the nozzle are provided in contact with each other so as to be slidable. When the water flow hole formed in the bottom surface of the nozzle and the communication hole opened in the on-off valve are matched with each other, the water fountain device is configured to eject water from the discharge port of the nozzle. is there.

  The above on-off valve is rotated by external power from a prime mover such as a pulse motor or a stepping motor, or installed in a water conduit, and the kinetic energy of the water is converted into rotational energy to extract driving force. The fountain is characterized in that it can be rotated by a drive mechanism with an impeller so that the rotational speed of the on-off valve can be freely controlled or the fountain can be enjoyed without requiring any external power. Device.

  The present invention is a fountain device characterized in that a storage portion is formed in the middle of the communication hole connecting the water flow hole and the discharge port, thereby providing stability to the jet water.

  According to the present invention, a nozzle for ejecting running water flowing through a water conduit is screwed into a casing, so that the nozzle and an on-off valve for shutting off and supplying water can be attached and detached. By making it possible, it is a fountain device characterized in that fountains with different effects can be easily realized and various fountains with changes can be appreciated.

  In the present invention, by installing the impeller in a bypass passage formed by branching a water conduit, an extra part that increases flow resistance such as the impeller is not interposed in the water conduit. This is a fountain device.

According to the first to third aspects of the present invention, the on-off valve is provided with a plurality of communication holes, the nozzle is provided with a plurality of discharge ports on its surface, and the bottom surface is provided with a water flow hole. A water flow hole communicates with a connection hole so that flowing water is ejected from the discharge port, and the water flow hole leading to the nozzle discharge port is opened and closed by an on-off valve to supply or shut off the flowing water. When the opening / closing valve is rotated, when the water passage hole formed in the bottom surface of the nozzle and the communication hole opened in the opening / closing valve coincide with each other, the flowing water is supplied to the discharge port of the nozzle. As a result of this rotation, the water flowing from the discharge port changes with time, and only one fountain nozzle can produce a three-dimensional beautiful fountain that is dynamic and changes in the water. With the layout of the communication holes provided in the on-off valve and the layout of the discharge ports provided in the nozzles, fountains with different shapes, times, movements, etc. can be realized, creating a more beautiful and beautiful three-dimensional fountain. It became so.
In addition, since the on-off valve rotates relatively slowly, the water flow hole provided in the bottom surface of the nozzle is gradually opened and fully opened and then gradually closed, so that the water flowing through the water flow hole gradually increases. However, the weight will be gradually reduced, creating a tasteful atmosphere in the spout water.

Then, a driving mechanism for rotating the on-off valve rotates the impeller using the flow of water, and the rotational speed of the impeller is greatly reduced by the planetary gear to give torque to the rotational force. Because the on-off valve is rotated, there is no need for any external power such as pumps, electric motors, motors, etc., wherever water is flowing, wherever you can be beautiful and beautiful. It became possible to provide a fountain landscape. In addition, since there is nothing in the flow channel for increasing the flow resistance, the ejection efficiency is remarkably improved.
And since it has a structure that converts it into rotational energy using the kinetic energy of running water, it does not require any external power such as pumps, electric motors, motors, etc. There is no need, it has an effect as an energy saving measure, and the ECO effect for preventing global warming is also great.
In another embodiment, the on / off valve drive mechanism is equipped with a prime mover such as a pulse motor or a stepping motor to rotate the on / off valve, so that the rotation speed of the on / off valve can be freely controlled. It is possible to produce a more stable squirting water, and to make the squirting water more or less steep.

  According to the fourth aspect of the present invention, the storage portion is formed in the middle of the communication hole connecting the water flow hole and the discharge port, so that a sufficient amount of water can be secured and the stability of the water jet is remarkably improved. I was able to improve.

According to the invention of claim 5, since the nozzles can be attached to and detached from the casing by screwing, the nozzles and the on-off valve can be easily attached and detached. Therefore, by preparing multiple open / close valves with different positions and shapes of the water passage holes and nozzles with different positions and shapes of the discharge ports, and replacing the open / close valves and nozzles in an appropriate combination, the shape / spout time of the spout water -The movement can be changed easily, and it is now possible to produce a more beautiful three-dimensional fountain. In this way, if the combination of the on-off valve and the nozzle is regularly exchanged, it is possible to easily provide a beautiful fountain with different productions, and to enjoy the fountain with a fresh feeling forever without getting bored with the viewer It became so.
Further, according to the present invention, since the nozzle itself is fixed to the casing of the fountain device by screwing or fitting, it can be surely made liquid and can prevent water leakage from the gap portion and the sliding portion. In addition, it is easy to attach and detach the nozzle, and it is possible to easily and very easily perform maintenance work such as disassembly cleaning such as water scale removal and nozzle cleaning.

  According to the invention of claim 6, since the impeller is installed in the bypass flow path formed by branching the water conduit, there is no resistance to the flowing water for the fountain, and the stability of the spilled water Can be significantly improved.

The best mode of a fountain device according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded cross-sectional side view showing the best mode of a fountain device according to the present invention. In the figure, reference numeral 1 denotes a fountain device. The fountain device 1 includes a drive mechanism 2 composed of an impeller for obtaining power, a speed reducer 3 using a planetary gear for reducing the rotational speed of the drive mechanism 2, and flowing water. It comprises an on-off valve 4 for shutting off and supplying water and a nozzle 5 for ejecting running water.
The drive mechanism 2 is rotatably installed in a cylindrical portion 6b of the casing 6 of the fountain apparatus 1, and the casing 6 is installed in a water conduit 8 for flowing water 7 flowing from a water source. By being fixed to the water conduit 8, the function as the water conduit 8 is also achieved.
The drive mechanism 2 is formed in a spiral shape by twisting a plate-like member such as iron or stainless steel, or by casting or synthetic resin, and can be rotated by the flow of running water 7. Power is the source of power. That is, when the drive mechanism 2 rotates, the kinetic energy of the flowing water 7 is absorbed and converted into rotational energy for turning the on-off valve 4 described later. The rotational speed of the drive mechanism 2 depends on the diameter, inclination angle, and the like of the twisted blade, and cannot be defined unconditionally.

The speed reducer 3 is a speed reducer using a planetary gear, and the drive mechanism 2 is fixed coaxially with the rotating shaft of the sun gear 3a located at the center of the planetary gear. A gap S is provided at the axial center of the sun gear 3a so that the running water 7 can freely flow. A plurality of planetary gears 3b are meshed with the sun gear 3a and meshed with an outer ring gear 3c formed integrally with the inner peripheral wall of the casing 6 (6a). The plurality of planetary gears 3b are integrally connected by the carrier 10 so that the individual planetary gears 3b can rotate. Due to the action of the speed reducer 3 by the planetary gear, the rotational speed of the drive mechanism 2 is greatly decelerated, and torque is imparted to the rotational force and transmitted to the planetary gear 3b.
The planetary gear speed reducer 3 comprising the sun gear 3a, the planetary gear 3b and the outer ring gear 3c is housed in the gear box 6a of the casing 6, and the outer ring gear 3c is the inner peripheral wall of the gear box 6a of the casing 6. Are integrally formed. Further, in the present embodiment, the outer diameter of the sun gear 3a is slightly larger than the outer diameter of the drive mechanism 2, but this is to ensure the gap S in order to make the flowing water 7 easier to flow. Needless to say, if the outer diameter of the sun gear 3a is reduced and the number of teeth is reduced, it is needless to say that the reduction ratio can be increased. In addition, since the rotating shaft of the driving mechanism 2 and the rotating shaft of the sun gear 3a can be coaxially supported, the resistance generated in the water conduit 8 can be suppressed as much as possible.

The on-off valve 4 is rotatably fixed to a carrier 10 that connects a planetary gear 3b of a planetary gear by means of a tightening tool 11 such as a screw or a bolt, and between the speed reducer 3 and a nozzle 5 described later. And is slidably mounted in contact with the nozzle 5. With this configuration, when the flowing water 7 flows in the water guide pipe 8, the drive mechanism 2 rotates, and the rotational speed is greatly reduced by the reduction gear 3 using the planetary gear, and the planetary gear 3 b and the carrier 10 are used. The on-off valve 4 is reliably rotated.
For example, when the drive mechanism 2 rotates clockwise as viewed from the lower side of FIG. 1, the sun gear 3a is similarly rotated clockwise because the sun gear 3a is pivotally supported on the same axis as the drive mechanism 2. The planetary gear 3b meshing with the sun gear 3a rolls on the outer ring gear 3c while rotating counterclockwise, and rotates in the same direction as the sun gear 3a. Since the outer ring gear 3c is fixed, the on-off valve 4 rotatably attached to the planetary gear 3b via the carrier 10 also rotates clockwise in the same manner.
In the on-off valve 4, a plurality of communication holes 12, 12a, 12b,... Are opened, and the flowing water 7 flowing through the water conduit 8 passes through the communication holes 12, 12a, 12b,. As shown by the arrows in the figure, it flows into the water passage holes 51, 51a, 51b,... Of the nozzle 5, passes through the connection holes 52, 52a, 52b,. More erupted.
In the figure, reference numeral 13 denotes a water stop cock, which can supply the running water 7 to the conduit 8 by opening the stop cock 13 and stop supplying the running water 7 to the conduit 8 by closing it. .

In the case of the present embodiment, the nozzle 5 is formed in a substantially hemispherical shape, and is screwed to the outer peripheral edge 6 c of the casing 6. A recess 14 is formed in the bottom surface of the nozzle 5, and the opening / closing valve 4 is accommodated in the recess 14, and water passage holes 51, 51 a, 51 b, 51 c are provided in the bottom surface of the nozzle 5, Discharge ports 53, 53a, 53b, and 53c are formed on the surface. Further, connecting holes 52, 52a, 52b, 52c are formed inside the nozzle 5, and the connecting holes 52, 52a, 52b, 52c correspond to the water holes 51, 51a, 51b, 51c, respectively. The discharge ports 53, 53a, 53b, and 53c are in communication. When the on-off valve 4 is in contact with the bottom surface of the nozzle 5 and slides and rotates, the on-off valve 4 is opened on one of the water holes 51, 51a, 51b, 51c provided on the bottom surface of the nozzle 5. When any one of the communication holes 12, 12a, 12b, and 12c matches each other, the flowing water 7 flows from the matched communication holes 12, 12a, 12b, and 12c to the water holes 51, 51a, 51b, and 51c, and is further connected to the connection holes. 52, 52a, 52b, and 52c are ejected from the corresponding discharge ports 53, 53a, 53b, and 53c to form fountains.
In the present embodiment, the opening / closing valve 4 is attached to the carrier 10 by the fastening tool 11, but the opening / closing valve 4 may be directly attached to the planetary gear 3b so as to be freely rotatable. Needless to say.

The casing 6 includes a gear box 6a and a cylindrical portion 6b. The gear box 6a houses the speed reducer 3 composed of the planetary gear, and the cylindrical mechanism 6b is rotated by the drive mechanism 2. It is inserted freely. Further, a gear is provided on the inner peripheral wall of the gear box 6a, and functions as the outer ring gear 3c of the planetary gear. Needless to say, the gear box 6a and the cylindrical portion 6b may be formed by screwing together as shown in FIG.
The detailed structures such as bearings and seals necessary for attaching the drive mechanism 2 to the casing 6 are equipped with ordinary well-known techniques. However, it is complicated to describe all of these details. Detailed descriptions and descriptions in the drawings are omitted.

Next, the relationship between the on-off valve 4 and the nozzle 5 will be described in detail with reference to the drawings.
FIG. 2 is a cross-sectional plan view of the fountain device 1 taken along the line XX in FIG. 1, showing only the on-off valve 4 and the nozzle 5 for easy understanding, and the on-off valve 4 is shown by a dotted line. 5 is indicated by a solid line. In the figure, the same reference numerals as those in FIG. 1 denote the same components, and a detailed description thereof is omitted.
As shown in the figure, the water passage hole 51 is provided at the center of the nozzle 5, and the water passage holes 51 a to 51 c are sequentially provided on the straight line symmetrically about the center water passage hole 51. Yes. On the other hand, the on-off valve 4 has a communication hole 12 at the center similar to the water flow hole 51 of the nozzle 5, and communication holes 12a-12c in a cross shape in four directions facing the water flow holes 51a-51c. Is provided. With this configuration, the water flow hole 51 provided in the center and the communication hole 12 always coincide with each other, but when the on-off valve 4 rotates in the direction of the arrow in FIG. When the water communication hole 12a, the water communication hole 51b, the communication hole 12b, the water communication hole 51c, and the communication hole 12c are matched, the flowing water 7 flowing through the water conduit 8 is communicated with the communication holes 12, 12a, 12b, 12c and the water communication holes 51, It flows through 51a, 51b, 51c, passes through the connecting holes 52, 52a, 52b, 52c shown in FIG. 1, and is ejected from the corresponding discharge ports 53, 53a, 53b, 53c.

Further, when the on-off valve 4 rotates in the direction of the arrow in the figure, only the water passage hole 51 is always open, but the water passage holes 51a, 51b, 51c are closed, and the running water 7 passes through the communication hole 12, It passes through the water hole 51 and the connecting hole 52 and is ejected vigorously only from the discharge port 53. Then, when the on-off valve 4 further rotates and the water passage hole 51a and the communication hole 12a, the water passage hole 51b and the communication hole 12b, and the water passage hole 51c and the communication hole 12c match, the flowing water 7 flowing through the water conduit 8 is Of course, the ejection port 53 passes through the corresponding water passage holes 51a to 51c and the connection holes 52a to 52c, and is also ejected from the ejection ports 53a to 53c. In this case, since the running water 7 is fixed, the amount of water ejected from the discharge ports 53a to 53c is decreased, and the amount of ejection from the discharge port 53 is decreased. In this way, the water ejected from the discharge port 53 becomes higher or lower, and is intermittently ejected from the discharge port 53a, the discharge port 53b, and the discharge port 53c every time the opening / closing valve 4 rotates 90 degrees. Is done.
In the present embodiment, the sizes of the communication holes 12a, 12b, and 12c are substantially the same. In this case, however, the communication holes 12a are matched without being simultaneously matched due to the rotational angle of the on-off valve 4. After that, the communication hole 12b and the communication hole 12c are aligned with a slight time difference. Therefore, a time difference also occurs in the squirting water, and an effect that varies depending on the behavior of the fountain can be provided. The same applies when mismatching occurs. Further, when the communication holes 12a, 12b, and 12c are sequentially increased in size and formed into a larger fan shape as they go outward from the communication holes 12b and 12c, the communication holes 12a to 12c and the water holes 51a to 51c Needless to say, they coincide with each other and are ejected simultaneously from the discharge ports 53a to 53c.

As described above, the communication holes 12, 12 a, 12 b, 12 c and the water holes 51, 51 a, 51 b, 51 c are designed so as to match each other, and any one of the discharge ports 53, 53 a, 53 b, 53 c is designed. It is desirable to prevent the water pressure in the water conduit 8 from increasing abnormally so that the flowing water 7 is ejected from the water.
Further, reference numeral 11 shown in FIG. 2 is a fastening tool, and the fastening tool 11 is provided at four locations, and indicates that four planetary gears 3b are fastened. The number of the planetary gears 3b is not specified. The same applies to the following embodiments.
In addition, the attachment of the on-off valve 4 is shown as being fastened and fixed by the fastening tool 11 in the present embodiment, but is not limited to this. For example, a protrusion is formed on the planetary gear 3b, By forming a recess in the on-off valve 4, these may be fitted and fixed.

FIG. 3 is a schematic side view showing the state of the fountain, and shows the change of the fountain due to the rotation of the on-off valve 4. In FIG. 1, the connection holes 52 b and 52 c are shown in a slightly inclined state, but in FIG. 3, the connection hole 52 is formed facing upward in order to simplify the detailed description.
FIG. 2A shows the fountain in the state shown in FIG. Is small, and small jet water is formed from the three right and left discharge ports 53a to 53c. FIG. 5B shows a fountain in a state where the on-off valve 4 is rotated and the water passage holes 51a, 51b, 51c are closed. Erupting from. In this case, since the running water 7 is quantitative, the squirting water is highly squirted. As described above, the shape of the fountain is changed by repeating FIG. A and FIG.

  As shown in FIG. 1, when the shape of the discharge port 53a, the discharge port 53b, and the discharge port 53c is a fan-shaped cross section in which the vicinity of the outlet is crushed, the discharge ports 53, 53a, 53b, and 53c are as if The squirting water is squirted as a whole so that they are connected to each other. Moreover, the discharge ports 53, 53a, 53b, and 53c can interfere with each other and can be viewed in a shape in which a peacock has spread wings. Although not shown, it goes without saying that if the discharge ports 53, 53a, 53b, and 53c have a general cylindrical nozzle shape, seven linear water jets as shown in FIG. 3A can be appreciated. .

FIG. 4 is an exploded sectional side view showing another embodiment of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. In this figure, in this embodiment, the drive mechanism 2 has a turbine structure such as a compressor. The drive mechanism 2 includes a moving blade 21 and a stationary blade 22, and the moving blade 21 is coaxially coupled to a sun gear 3 a of a speed reducer 3 including a planetary gear, 22 is fixed to the casing 6 (6b). The blades 21 and the stationary blades 22 are alternately formed to be inclined to face each other like a blade of a gas turbine or a steam turbine, and the flow of the flowing water 7 is changed toward the blade 21. The moving blade 21 rotates more reliably. That is, the stationary blade 22 is inclined so that the flowing water 7 efficiently contacts the moving blade 21 while changing the flow so that the flowing water 7 is directed toward the moving blade 21.
In the case of this embodiment, only two stages of moving blades 21 and three stages of stationary blades 22 are provided because of the drawings. However, the number of stages is not specified in the present embodiment, and the more stages there are. Needless to say, the efficiency of conversion into rotational energy is increased. This rotational speed is greatly decelerated by the speed reducer 3 made of a planetary gear, and the on-off valve 4 that is rotatably fixed to the planetary gear 3b is rotated.
As for the subsequent behavior, as described in the above-described best mode, the rotation speed is greatly reduced by the speed reducer 3, and the on-off valve 4 is rotated while abutting on the nozzle 5 and slowly sliding, The shape of the fountain is changed by supplying or blocking the fountain water by opening and closing the water passage hole 51. Detailed description of the behavior is omitted.

FIG. 5 shows another embodiment of the fountain apparatus according to the present invention. FIG. 5A is a sectional side view of the main part thereof, and FIG. 5B is a plan view showing only the main part thereof. In the figure, the same reference numerals as those shown in FIG.
In the above-described best mode and embodiment, the drive mechanism 2 is installed in the water conduit 8 of the running water 7. However, this embodiment branches the water guide tube 8 of the running water 7 to drive the drive mechanism 2. For this purpose, a dedicated bypass passage 16 is provided. The bypass channel 16 is branched from the middle of the water conduit 8, is disposed so as to surround the water conduit 8, and is provided so as to flow into the water conduit 8 again. A drive mechanism 2 made of a water wheel is horizontally installed in the middle of the bypass flow path 16, and the rotation of the drive mechanism 2 is decelerated by a speed reducer 3 made up of a combination of a plurality of gears, and rotates the on-off valve 4. It is something to move.
In the figure, reference numeral 18 denotes a transmission gear, which is meshed with a gear formed on the outer edge of the on-off valve 4, and transmits the rotation decelerated by the reduction gear 3 to the on-off valve 4, The on-off valve 4 is rotated.
By providing a dedicated bypass flow path for storing the drive mechanism 2 in this manner, there is no extra part such as an impeller that increases the flow resistance in the water conduit 8, so that the jet water has a smooth behavior. Needless to say, the ejection efficiency is more effective.
In the figure, since the drawing is complicated, the cover of the speed reducer 3 is not shown. Moreover, although the bypass flow path 16 branched from the water conduit 8 and returned to the water conduit 8 again, it goes without saying that it may be discharged to the outside.

FIG. 6 shows another embodiment of the fountain apparatus according to the present invention. FIG. 6A is an exploded sectional side view thereof, and FIG. 6B is a sectional plan view taken along line YY in FIG. B shows the meshing state of the on-off valve 4 and the transmission gear 18 for easy understanding. In the figure, the same reference numerals as those shown in FIG.
In the above embodiment, the drive mechanism 2 is installed in the water conduit 8 of the flowing water 7 and the kinetic energy of the flowing water is converted into rotational energy. However, in this embodiment, the motor box 19 is formed in the casing 6. A drive mechanism 2 including a prime mover 17 such as a pulse motor or a stepping motor is built in the prime mover box 19, and the opening / closing valve 4 is rotated by a transmission gear 18 integrally coupled to the drive mechanism 2. . The transmission gear 18 meshes with an internal gear formed on the inner wall of the on-off valve 4. Further, the transmission gear 18 and the driving mechanism 2 are coupled and transmitted by forming a concave portion on one side and forming a convex portion on the other side so that they are matched. In the case of the present embodiment, as shown in FIG. 5A, the transmission gear 18 side is a convex portion and the drive mechanism 2 side is a concave portion. By forming in this way, it can be easily matched by installing the drive mechanism 2 so as to be inserted.

In this embodiment, the transmission gear 18 is meshed with the internal gear of the on-off valve 4, but the meshing of the transmission gear and the on-off valve 4 is performed as in the present embodiment. The internal gear may be formed on the inner side of the valve, or a gear (referred to as “external gear”) may be formed on the outer peripheral edge of the on-off valve 4 as shown in FIG. May be allowed. Although not shown, a gear may be formed on the end surface of the on-off valve 4 having a U-shaped cross section, and a motor may be inserted from the horizontal direction and meshed with the gear.
Further, if a reduction gear such as a planetary gear is interposed between the drive mechanism 2 and the transmission gear 18, torque can be increased, transmission can be performed more reliably, and the rotation speed can be controlled more easily. Can be performed.
Also, as shown in FIG. B, if the idle gear 20 that can freely rotate is engaged, the on-off valve 4 can be rotated more smoothly.
If a plurality of the same nozzles 5 of the communication hole 12 of the on-off valve 4 and the discharge port 53 of the nozzle 5 are installed in the same direction and the same angle, and the rotation of these on-off valves 4 is synchronized, it is more complicated, A more dynamic production is possible.

FIG. 7 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG. Further, as to the drawing procedure, only the on-off valve 4 and the nozzle 5 are shown as in FIG. 2, the on-off valve 4 is shown by a dotted line, and the nozzle 5 is shown by a solid line. The same applies to the following embodiments.
The water passage hole 51 of the nozzle 5 according to the present embodiment is formed in a spiral shape, whereas in the best mode, the water passage hole 51 is formed in a straight shape on the left and right. In this embodiment, a total of 16 water passage holes 51, 51a to 51h are formed on one side. In addition, the on-off valve 4 is provided with communication holes 12 in a cross shape so as to face the number of the water holes 51 and 51a to 51h. In this case, since the water passage holes 51 and 51a to 51h are provided symmetrically, the water passage holes 51 and 51a to 51h are always ejected symmetrically and ejected four times from the discharge ports 53 and 53a to 53h while the on-off valve 4 rotates once. It will be. Moreover, since the water passage holes 51 and 51a to 51h are formed in a spiral shape, a little time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are formed. The water flow hole 51a is closed, the water flow hole 51b and the communication hole 12b are matched, and a little time has passed after the water flow hole 51b and the communication hole 12b are matched. And the communication hole 12b become inconsistent and the water communication hole 51b is closed, and the water communication hole 51c and the communication hole 12c are matched. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. .
In the case of the present embodiment, as the on-off valve 4 rotates, the flowing water 7 is always ejected from the discharge port 53 and the water flow holes 51, 51a to 51h and the connection holes 52, 52a to 52a. Through 52h (not shown), the on-off valve 4 is intermittently ejected from the corresponding discharge ports 53a to 53h every time the opening / closing valve 4 rotates 90 degrees. In addition, it is the same as in the best mode and the above embodiment that the water jetted from the discharge port 53 becomes higher or lower.

FIG. 8 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. The on-off valve 4 in FIG. 7 communicates with the water passage hole 51 of the nozzle 5. In contrast to the case where the holes 12 are individually provided, this embodiment shows a case where the large rectangular communication holes 12 are provided in a cross shape. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In this embodiment, the eight communication holes 12 of the embodiment shown in FIG. 7 are combined into one, and basically a fountain with the same behavior as that of the above-described embodiment of FIG. 7 can be appreciated. That is, some time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are closed due to a mismatch, and the water passage hole 51b and the communication hole 12b are matched. Furthermore, after a certain amount of time has passed since the water flow hole 51b and the communication hole 12b are matched, the water flow hole 51b and the communication hole 12b are closed in a mismatch and the water flow hole 51c and the communication hole 12c are matched. To do. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. . Further, the water ejected from the discharge ports 53, 53a to 53h is the same as in the above embodiment, and detailed description thereof is omitted.

FIG. 9 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
The communication holes 12, 12 a to 12 h according to the present embodiment are made into one pair and the water flow of each nozzle 5 while the on-off valve 4 of FIGS. 7 and 8 is provided with two pairs of communication holes 12. Each communication hole 12 facing the hole 51 is provided in a long arc shape. Therefore, basically, a fountain having the same behavior as that of the above embodiment of FIGS. 7 and 8 can be appreciated, but the squirting water from the individual discharge ports 53, 53a to 53h (not shown) is shown in FIGS. In the case of the eighth embodiment, the on-off valve 4 is ejected four times during one rotation, whereas in the present embodiment, the ejection is performed twice. By providing the communication hole 12 long in this way, the time for ejection from the ejection port 53 is naturally extended, and the ejection port 53 is formed in a spiral shape. Will move gradually and outwardly while being ejected from the plurality of discharge ports 53.

FIG. 10 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the present embodiment, the nozzle 5 is provided with two water passage holes 51a and 51b in the central portion on the same circumference and four water passage holes 51c and 51d in the outer peripheral portion, respectively, and the water passage holes 51a of these nozzles 5 are provided. Each of the two fan-shaped communication holes 12a and 12b is opposed to each of the first and second 51b and 51b, and each of the four fan-shaped communication holes 12c and 12d is opposed to the first and second water-flowing holes 51c and 51d. It is provided in a spiral shape.
Therefore, in the case of the present embodiment, all the water passage holes 51a to 51d are coincident with each other in the figure, and are ejected from a total of 12 outlets 53. When the on-off valve 4 is rotated 90 degrees as indicated by an arrow in the figure, the water holes 51a and 51b provided at the center of the nozzle 5 are inconsistent and only the water holes 51c and 51d are matched. The running water 7 is ejected from the eight outlets 53 in total of the four through holes 51c and 51d. Further, when the on-off valve 4 is rotated 90 degrees, the state shown in the figure is reached, so that the nozzles are ejected from a total of 12 outlets 53. In this way, the water passage holes 51a and 51b are matched every 180 degrees, and the water passage holes 51c and 51d are matched every 90 degrees, so that it is possible to appreciate a very complicated shape of the jet water. .
In addition, although the water flow holes 51a, 51b, 51c, and 51d of the present embodiment are generally provided in a spiral shape in contrast to each other, if they are provided on a straight line as shown in FIG. 2, a completely different fountain is produced. Needless to say, various combinations are easily conceivable.

11 and 12 are other embodiments showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 11 is a cross-sectional plan view thereof, and FIG. 12 is a side view of the fountain device according to the present embodiment. It is explanatory drawing. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above best mode and Examples 1 to 7, the discharge port 53 of the nozzle 5 has a cylindrical shape, but in this example, the discharge port 53 (53a to 53c) is formed in a ring shape. . As shown in FIG. 11, four water passage holes 51 a to 51 c are respectively provided on the bottom surface of each nozzle 5 with respect to the discharge port 53, and are connected by a connection hole 52. As shown in the figure, the communication hole 12 of the on-off valve 4 is formed in a long hole like the embodiment of FIG. 8, and the water flow hole 51 is always connected to the two communication holes 12. By forming in this way, sufficient flowing water is supplied to the ring-shaped nozzle 5 so that a beautiful ring-shaped fountain is obtained.
Further, in the middle of the connecting hole 52 that connects the water flow hole 51 and the discharge port 53, the storage portion 15 is formed in a donut shape corresponding to the water flow hole 51 and the discharge port 53, respectively, as shown in FIG. The reservoir 15 is adjusted so that the water ejected from the discharge port 53 can be ejected uniformly.

In the case of the present embodiment, as shown in FIG. 11, when the on-off valve 4 is rotated, the communication hole 12 is aligned with the water flow hole 51c of the outermost discharge port 53c. It moves to the water flow hole 51b and further to the water flow hole 51a, and as shown in FIG. 12, it changes from the ring-shaped fountain with a low alternate long and two short dashes line to the fountain shown with a one-dot chain line and a solid line. In addition, since drawing is complicated in the figure, a fountain is shown with the cross-sectional side view.
In this embodiment, a plurality of communication holes 12 are provided for one discharge port 53, but it goes without saying that one may be used.

FIG. 13 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 13A is a perspective view showing only the nozzle 5, and FIG. FIG. 1 and FIG. 2C are perspective views showing only the on-off valve 4. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above embodiment, the on-off valve 4 is a flat plate, but this embodiment shows a hemispherical, three-dimensional on-off valve 4.
As shown in the figure, the nozzle 5 is hemispherical as in the best mode, but the water passage hole 51, the connection hole 52, and the discharge port 53 are close to each other, and the nozzle 5 in FIG. The on-off valve 4 is assembled so as to be covered. The on-off valve 4 of the present embodiment is hollow and is formed in a radial shape like an umbrella bone and has a bowl shape. Although not shown in the bottom, the planetary gear 3b of the planetary gear or a prime mover such as a pulse motor or a stepping motor is used. It is connected so that rotation is possible.
In the case of the present embodiment, the discharge ports 53 are formed in four spirals as shown in FIG. B, and when the on-off valves 4 are rotated as indicated by arrows in FIG. Is always open, but the outlets 53a, 53b, 53c,..., 53g are closed in this order. Moreover, since the on-off valve 4 is formed radially, any of the discharge ports 53a to 53g is opened and closed, and an unexpectedly complex fountain is formed. In addition, since the discharge ports 53 are formed in four rows in a spiral shape, as the on-off valve 4 rotates, the spray water moves from the four discharge ports 53 so as to gradually spread outward. You will be able to appreciate a more complex landscape.
In the present embodiment, the on-off valve 4 and the nozzle 5 are illustrated with substantially the same radius of curvature, so that the water passage hole 51 and the discharge port 53 are close to each other and the connection hole 52 does not appear. If the curvature radius of the valve 4 is increased, the connection hole 52 can be formed, and stable water can be ejected.
Further, in this embodiment, if the on-off valve 4 is formed in a spiral shape along the inner wall of the nozzle 5, a fountain with more changes is formed.

FIG. 14 is a detailed sectional view of the shape of the discharge port 53 of the nozzle 5. As shown in the figure, the discharge port 53 of the nozzle 5 has a diameter that is gradually smaller than that of the water passage hole 51 and is formed in a straight line at the discharge port 53 portion. The length L1 of the straight portion of the discharge port 53 is preferably about the same as the diameter of the discharge port 53. Moreover, about length L2 from the inlet of the water flow hole 51 to a linear part, it is desirable to reduce a diameter gradually and to form in cone shape. A so-called convergent nozzle whose diameter decreases as the running water progresses is desirable.
Needless to say, the sectional shape of the nozzle 5 can be applied to all the embodiments including the best mode described above.

The embodiment described above is a very small part, and the combinations of the position / shape of the discharge port 53 of the nozzle 5 and the position / shape of the communication hole 12 of the on-off valve 4 are infinite. As described in the above-described embodiment, a plurality of on-off valves 4 can be considered for the shape of the discharge port 53 of a kind of nozzle 5, and the on-off valves 4 for shutting off and supplying water flowing through these water conduits and the flowing water By exchanging the nozzle 5 for jetting, the shape, jetting time, movement, and the like of the jet water can be changed, and a more beautiful fountain can be produced and different behavior of the fountain can be obtained. Conversely, the discharge ports 53 of the plurality of nozzles 5 are conceivable with respect to the shape of a kind of on-off valve 4, and the shape, time and movement of the water jet can be changed in the same manner. Since the on-off valve 4 and the nozzle 5 are attached by screwing, the attachment and replacement are easy. In addition, if the turning direction of the on-off valve is reversed, a completely different movement of the squirt water can be generated.
Further, the ring-shaped nozzle 5 shown in the eighth embodiment is not limited to a circular shape, and may be a polygonal shape such as a triangle, a quadrangle, or a pentagon. By making such a polygonal shape, The fountain which breaks the conventional common sense can be provided. Further, if the discharge port 53 is shaped according to various events such as a ceremonial occasion such as a heart shape, a star shape, or a fish shape, a more suitable effect can be achieved.
Similarly, in the above-described embodiment, the nozzle 5 has been described as hemispherical, but the nozzle 5 may be formed of a cylindrical column as in the second or third embodiment, or a polygonal column such as a triangular column or a quadrangular column. Further, by providing an inclination to the discharge port 53 of such a polygonal column nozzle 5, a fountain that expands greatly can be provided.

This combination may be any as long as it is the same as the idea according to the present invention, and is not limited to the above-described embodiment. It will be explained that various fountain shapes can be obtained by exchanging the combination of the nozzles 5 having different positions and shapes of the discharge ports 53 and the on-off valves 4 having different positions and shapes of the communication holes 12 as described above. It is not to be over.
The nozzle itself is fixed to the casing of the fountain device by screwing, and the speed reducer and the like are housed inside them, so that the liquid can be surely liquid-tight, and water leakage from the gap and the sliding portion is prevented. In addition to being able to prevent, it is easy to attach and detach the nozzle, and disassembly and cleaning such as removal of scale can be easily performed.
In addition, although the said storage part 15 demonstrated only about Example 8, it cannot be overemphasized that it can apply also to another above-described Example.

1 is an exploded sectional side view showing the best mode of a fountain device according to the present invention. It is a section plane explanatory view in the XX line in Drawing 1 of the fountain device by the present invention. 1A is a schematic side view showing a state of a fountain by a fountain apparatus according to the present invention. FIG. 1A shows a fountain in a state where the communication hole and the water passage hole coincide with each other, and FIG. It shows a fountain in a closed state. 1 is an exploded sectional side view showing a first embodiment of a fountain device according to the present invention. The 2nd Example of the fountain apparatus by this invention is shown, The figure A is the principal part cross-sectional side view, The figure B is a top view which shows only the principal part. The 3rd Example of the fountain apparatus by this invention is shown, The same figure A is a decomposition | disassembly cross-section side view, B of FIG. It is a section plane explanatory view showing the 4th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 5th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 6th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 7th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 8th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is side explanatory drawing of FIG. 11 of the fountain apparatus by this invention. FIG. 11 is a side explanatory view showing a ninth embodiment of the on-off valve and nozzle of the fountain device according to the present invention, in which FIG. A is a perspective view showing only the nozzle, FIG. B is a plan view thereof, and FIG. FIG. It is detailed sectional drawing which shows the shape of the discharge outlet of the nozzle by this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fountain device 2 Drive mechanism 3 Reduction gear 4 On-off valve 5 Nozzle 51 Water flow hole 52 Connection hole 53 Discharge port 6 Casing 7 Flowing water 8 Water guide pipe 11 Fastening tool 12 Communication hole 15 Storage part 16 Bypass flow path

  The present invention relates to a fountain device, and relates to a fountain device capable of providing a fountain with a change in squirt water.

The fountains usually installed in the corners of parks and factories are very reassuring to entertain our ears and eyes, as well as the mountain streams flowing through the mountains and the waterfalls flowing through the valleys.
However, almost all of the fountains are just spouted up and have no change at all. Some of them have intermittently changed water by ejecting or stopping water with a certain period, and by rotating or swinging the nozzle body using the reaction of the ejected water, There is one in which spout water is made to rotate or swing.
Also, there are some fountain nozzles that are controlled by computer to change the squirting water and invite aesthetics. This is a high-tech fountain. Water dances by flashing lights according to live performances, etc., and by opening and closing the fountain pump and water supply valve to shut off and supply water, creating the fountain shape as if changing. , It makes the world of aqua art appear.

Various fountains devised by the present inventors have been proposed for such problems. For example, Japanese Utility Model Publication No. 54-479 proposes a fountain capable of continuously changing the fountain from a square cross section to a cross shape, or from an inverted conical shape to a cylindrical shape. . In addition, Japanese Utility Model Publication No. 54-2240 proposes a fountain that changes the fountain so that a fan is continuously opened and closed.
Furthermore, Japanese Utility Model Publication No. 57-20293 proposes a fountain that changes the blown water so that a fan is continuously opened and closed, as described in Japanese Utility Model Publication No. 54-2240. .

  Japanese Patent Application Laid-Open No. 8-131900 discloses that the flow of water ejected from the nozzle in the horizontal direction is diffused in a substantially right angle direction by a fan-shaped diffuser plate, and the fan-shaped opening angle of the water diffused by the fan-shaped diffuser plate is limited. A fan-shaped fountain device has been proposed in which a pair of open angle plates are provided so that the angle can be changed, and a fountain having a shape for opening and closing the fan is provided.

Japanese Utility Model Publication No. 54-479 Japanese Utility Model Publication No.54-2240 Japanese Utility Model Publication No.57-20293 JP-A-8-131900

The fountain apparatus described in the above-mentioned patent document has a change in the water that is surely ejected, but in any case, only the reciprocating motion of the ejected water is simply repeated, and the viewer is quickly bored. .
In addition, in the case of the fountain apparatus described in Patent Documents 1 to 3, all of them are a combination of a plurality of gears and a cam mechanism, and there are many mechanical losses, and the driving force obtained by running water is reliably transmitted without waste. Is difficult. And since a cam etc. intervene in the flow path of flowing water, flowing water resistance is large, and since there are many engaging parts and rotating shaft support parts, the possibility of occurrence of water leakage increases and the ejection efficiency is poor.
In the case of the fountain device described in Patent Document 4, a pair of open angle plates that limit and set the fan-shaped opening angle of the water diffused by the fan-shaped diffusion plate are provided so that the angle can be changed, and the angle of the pair of open angle plates is changed and driven. In order to drive the opening angle changing drive device, a powerful power from the outside is indispensable for driving the device, and a great investment in equipment is required. Although it is possible to change the fan-shaped opening angle of the diffusion water, when the opening angle is changed, there is a change in the diffusion water at the opening angle. However, it merely reciprocates within the angle range. Accordingly, the fountain device also simply performs a reciprocating motion.
In addition, when constructing a facility for producing a lively fountain using a large number of nozzles as described above, these devices are of course, but the computer control device for operating the fountain device is enormous. Cost. In addition, the individual nozzles are merely ejected intermittently, and it is possible to produce an effect in which the ejected water moves only when the plurality of nozzles cooperate.

  The present inventors have repeated research and development thereafter, and have solved the above-mentioned various problems, by providing a plurality of discharge ports in the nozzle itself, and opening and closing a water passage hole communicating with the discharge port by an on-off valve, The object is to provide a beautiful and varied fountain with only one nozzle in the fountain itself.

The present invention is a fountain device in which the water ejected from a nozzle is changed, and a discharge port is provided on the surface, and water passage holes are provided symmetrically on the bottom surface. Are connected to each other through a connecting hole, and a nozzle that is configured to eject flowing water from the discharge port and a water-conducting pipe that can be rotated, and a plurality of communicating holes are provided symmetrically to face the water-transmitting hole. An on-off valve that shuts off and supplies water flowing in the water conduit and a drive mechanism for rotating the on-off valve, and the on-off valve and the bottom surface of the nozzle are in contact with each other and provided slidable. By rotating the on-off valve, when the water passage hole formed in the bottom surface of the nozzle and the communication hole opened in the on-off valve coincide with each other, flowing water is ejected from the discharge port of the nozzle. The fountain device.

In the present invention , the storage portion is formed in the middle of the communication hole connecting the symmetrical water flow hole and the discharge port so that the water flow holes in the symmetric position communicate with each other , thereby stabilizing the jet water. It is a fountain device characterized by giving.

According to the first aspect of the present invention, the on-off valve is provided with a plurality of symmetrical communication holes, the nozzle is provided with a plurality of discharge ports on the surface, and the bottom surface is provided with a symmetrical water flow hole. The outlet and the water passage hole are communicated with each other through a connecting hole, and water is ejected from the outlet, and the water passage leading to the nozzle outlet is opened and closed by an on-off valve to supply or shut off the water. Since the opening / closing valve rotates, when the water passage hole formed in the bottom surface of the nozzle and the communication hole established in the opening / closing valve match each other, flowing water is supplied to the discharge port of the nozzle. The flowing water that spouts from the discharge port changes with time by turning the on-off valve, and only one fountain nozzle can produce a three-dimensional beautiful fountain that is dynamic and changes. With the layout of the communication holes provided in the on-off valve and the layout of the discharge ports provided in the nozzles, fountains with different shapes, times, movements, etc. can be realized, creating a more beautiful and beautiful three-dimensional fountain. It became so.
In addition, since the on-off valve rotates relatively slowly, the water flow hole provided in the bottom surface of the nozzle is gradually opened and fully opened and then gradually closed, so that the water flowing through the water flow hole gradually increases. However, the weight will be gradually reduced, creating a tasteful atmosphere in the spout water.

Then, a driving mechanism for rotating the on-off valve rotates the impeller using the flow of water, and the rotational speed of the impeller is greatly reduced by the planetary gear to give torque to the rotational force. Because the on-off valve is rotated, there is no need for any external power such as pumps, electric motors, motors, etc., wherever water is flowing, wherever you can be beautiful and beautiful. It became possible to provide a fountain landscape. In addition, since there is nothing in the flow channel for increasing the flow resistance, the ejection efficiency is remarkably improved.
And since it has a structure that converts it into rotational energy using the kinetic energy of running water, it does not require any external power such as pumps, electric motors, motors, etc. There is no need, it has an effect as an energy saving measure, and the ECO effect for preventing global warming is also great.
In another embodiment, the on / off valve drive mechanism is equipped with a prime mover such as a pulse motor or a stepping motor to rotate the on / off valve, so that the rotation speed of the on / off valve can be freely controlled. It is possible to produce a more stable squirting water, and to make the squirting water more or less steep.

According to the second aspect of the present invention, the storage portion is formed in the middle of the communication hole connecting the symmetrical water flow hole and the discharge port so that the water flow holes at the symmetric positions communicate with each other. As a result, a sufficient amount of water could be secured and the stability of the jet water could be remarkably improved.

Since the nozzles can be attached to and detached from the casing by screwing, these nozzles and the on-off valve can be easily attached and detached. Therefore, by preparing multiple open / close valves with different positions and shapes of the water passage holes and nozzles with different positions and shapes of the discharge ports, and replacing the open / close valves and nozzles in an appropriate combination, the shape / spout time of the spout water -The movement can be changed easily, and it is now possible to produce a more beautiful three-dimensional fountain. In this way, if the combination of the on-off valve and the nozzle is regularly exchanged, it is possible to easily provide a beautiful fountain with different productions, and to enjoy the fountain with a fresh feeling forever without getting bored with the viewer It became so.
Further, according to the present invention, since the nozzle itself is fixed to the casing of the fountain device by screwing or fitting, it can be surely made liquid and can prevent water leakage from the gap portion and the sliding portion. In addition, it is easy to attach and detach the nozzle, and it is possible to easily and very easily perform maintenance work such as disassembly cleaning such as water scale removal and nozzle cleaning.

  The impeller is installed in a bypass channel formed by branching the water conduit so that the stability of the effluent can be significantly improved without any resistance to running water for the fountain. became.

The best mode of a fountain device according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded cross-sectional side view showing the best mode of a fountain device according to the present invention. In the figure, reference numeral 1 denotes a fountain device. The fountain device 1 includes a drive mechanism 2 composed of an impeller for obtaining power, a speed reducer 3 using a planetary gear for reducing the rotational speed of the drive mechanism 2, and flowing water. It comprises an on-off valve 4 for shutting off and supplying water and a nozzle 5 for ejecting running water.
The drive mechanism 2 is rotatably installed in a cylindrical portion 6b of the casing 6 of the fountain apparatus 1, and the casing 6 is installed in a water conduit 8 for flowing water 7 flowing from a water source. By being fixed to the water conduit 8, the function as the water conduit 8 is also achieved.
The drive mechanism 2 is formed in a spiral shape by twisting a plate-like member such as iron or stainless steel, or by casting or synthetic resin, and can be rotated by the flow of running water 7. Power is the source of power. That is, when the drive mechanism 2 rotates, the kinetic energy of the flowing water 7 is absorbed and converted into rotational energy for turning the on-off valve 4 described later. The rotational speed of the drive mechanism 2 depends on the diameter, inclination angle, and the like of the twisted blade, and cannot be defined unconditionally.

The speed reducer 3 is a speed reducer using a planetary gear, and the drive mechanism 2 is fixed coaxially with the rotating shaft of the sun gear 3a located at the center of the planetary gear. A gap S is provided at the axial center of the sun gear 3a so that the running water 7 can freely flow. A plurality of planetary gears 3b are meshed with the sun gear 3a and meshed with an outer ring gear 3c formed integrally with the inner peripheral wall of the casing 6 (6a). The plurality of planetary gears 3b are integrally connected by the carrier 10 so that the individual planetary gears 3b can rotate. Due to the action of the speed reducer 3 by the planetary gear, the rotational speed of the drive mechanism 2 is greatly decelerated, and torque is imparted to the rotational force and transmitted to the planetary gear 3b.
The planetary gear speed reducer 3 comprising the sun gear 3a, the planetary gear 3b and the outer ring gear 3c is housed in the gear box 6a of the casing 6, and the outer ring gear 3c is the inner peripheral wall of the gear box 6a of the casing 6. Are integrally formed. Further, in the present embodiment, the outer diameter of the sun gear 3a is slightly larger than the outer diameter of the drive mechanism 2, but this is to ensure the gap S in order to make the flowing water 7 easier to flow. Needless to say, if the outer diameter of the sun gear 3a is reduced and the number of teeth is reduced, it is needless to say that the reduction ratio can be increased. In addition, since the rotating shaft of the driving mechanism 2 and the rotating shaft of the sun gear 3a can be coaxially supported, the resistance generated in the water conduit 8 can be suppressed as much as possible.

The on-off valve 4 is rotatably fixed to a carrier 10 that connects a planetary gear 3b of a planetary gear by means of a tightening tool 11 such as a screw or a bolt, and between the speed reducer 3 and a nozzle 5 described later. And is slidably mounted in contact with the nozzle 5. With this configuration, when the flowing water 7 flows in the water guide pipe 8, the drive mechanism 2 rotates, and the rotational speed is greatly reduced by the reduction gear 3 using the planetary gear, and the planetary gear 3 b and the carrier 10 are used. The on-off valve 4 is reliably rotated.
For example, when the drive mechanism 2 rotates clockwise as viewed from the lower side of FIG. 1, the sun gear 3a is similarly rotated clockwise because the sun gear 3a is pivotally supported on the same axis as the drive mechanism 2. The planetary gear 3b meshing with the sun gear 3a rolls on the outer ring gear 3c while rotating counterclockwise, and rotates in the same direction as the sun gear 3a. Since the outer ring gear 3c is fixed, the on-off valve 4 rotatably attached to the planetary gear 3b via the carrier 10 also rotates clockwise in the same manner.
In the on-off valve 4, a plurality of communication holes 12, 12a, 12b,... Are opened symmetrically facing the water holes 51, 51a, 51b,. The flowing water 7 passes through the communication holes 12, 12a, 12b,... And flows into the water flow holes 51, 51a, 51b,. , 52b,... And ejected from the discharge ports 53, 53a, 53b,.
In the figure, reference numeral 13 denotes a water stop cock, which can supply the running water 7 to the conduit 8 by opening the stop cock 13 and stop supplying the running water 7 to the conduit 8 by closing it. .

In the case of the present embodiment, the nozzle 5 is formed in a substantially hemispherical shape, and is screwed to the outer peripheral edge 6 c of the casing 6. A recess 14 is formed in the bottom surface of the nozzle 5, and the opening / closing valve 4 is accommodated in the recess 14, and water is passed symmetrically on the bottom surface of the nozzle 5 facing the communication hole 12 of the opening / closing valve 4. Holes 51, 51a, 51b, 51c are provided, and discharge ports 53, 53a, 53b, 53c are formed on the surface thereof. Further, connecting holes 52, 52a, 52b, 52c are formed inside the nozzle 5, and the connecting holes 52, 52a, 52b, 52c correspond to the water holes 51, 51a, 51b, 51c, respectively. The discharge ports 53, 53a, 53b, and 53c are in communication. When the on-off valve 4 is in contact with the bottom surface of the nozzle 5 and slides and rotates, the on-off valve 4 is opened on one of the water holes 51, 51a, 51b, 51c provided on the bottom surface of the nozzle 5. When any one of the communication holes 12, 12a, 12b, and 12c matches each other, the flowing water 7 flows from the matched communication holes 12, 12a, 12b, and 12c to the water holes 51, 51a, 51b, and 51c, and is further connected to the connection holes. 52, 52a, 52b, and 52c are ejected symmetrically from the corresponding discharge ports 53, 53a, 53b, and 53c to form a fountain.
In the present embodiment, the opening / closing valve 4 is attached to the carrier 10 by the fastening tool 11, but the opening / closing valve 4 may be directly attached to the planetary gear 3b so as to be freely rotatable. Needless to say.

The casing 6 includes a gear box 6a and a cylindrical portion 6b. The gear box 6a houses the speed reducer 3 composed of the planetary gear, and the cylindrical mechanism 6b is rotated by the drive mechanism 2. It is inserted freely. Further, a gear is provided on the inner peripheral wall of the gear box 6a, and functions as the outer ring gear 3c of the planetary gear. Needless to say, the gear box 6a and the cylindrical portion 6b may be formed by screwing together as shown in FIG.
The detailed structures such as bearings and seals necessary for attaching the drive mechanism 2 to the casing 6 are equipped with ordinary well-known techniques. However, it is complicated to describe all of these details. Detailed descriptions and descriptions in the drawings are omitted.

Next, the relationship between the on-off valve 4 and the nozzle 5 will be described in detail with reference to the drawings.
FIG. 2 is a cross-sectional plan view of the fountain device 1 taken along the line XX in FIG. 1, showing only the on-off valve 4 and the nozzle 5 for easy understanding, and the on-off valve 4 is shown by a dotted line. 5 is indicated by a solid line. In the figure, the same reference numerals as those in FIG. 1 denote the same components, and a detailed description thereof is omitted.
As shown in the figure, the water passage hole 51 is provided at the center of the nozzle 5, and the water passage holes 51 a to 51 c are sequentially provided on the straight line symmetrically about the center water passage hole 51. Yes. On the other hand, the on-off valve 4 has a communication hole 12 at the center similar to the water flow hole 51 of the nozzle 5, and communication holes 12a-12c in a cross shape in four directions facing the water flow holes 51a-51c. Is provided. With this configuration, the water flow hole 51 provided in the center and the communication hole 12 always coincide with each other, but when the on-off valve 4 rotates in the direction of the arrow in FIG. When the water communication hole 12a, the water communication hole 51b, the communication hole 12b, the water communication hole 51c, and the communication hole 12c are matched, the flowing water 7 flowing through the water conduit 8 is communicated with the communication holes 12, 12a, 12b, 12c and the water communication holes 51, It flows through 51a, 51b, 51c, passes through the connecting holes 52, 52a, 52b, 52c shown in FIG. 1, and is ejected from the corresponding discharge ports 53, 53a, 53b, 53c.

Further, when the on-off valve 4 rotates in the direction of the arrow in the figure, only the water passage hole 51 is always open, but the water passage holes 51a, 51b, 51c are closed, and the running water 7 passes through the communication hole 12, It passes through the water hole 51 and the connecting hole 52 and is ejected vigorously only from the discharge port 53. Then, when the on-off valve 4 further rotates and the water passage hole 51a and the communication hole 12a, the water passage hole 51b and the communication hole 12b, and the water passage hole 51c and the communication hole 12c match, the flowing water 7 flowing through the water conduit 8 is Of course, the ejection port 53 passes through the corresponding water passage holes 51a to 51c and the connection holes 52a to 52c, and is also ejected from the ejection ports 53a to 53c. In this case, since the running water 7 is fixed, the amount of water ejected from the discharge ports 53a to 53c is decreased, and the amount of ejection from the discharge port 53 is decreased. In this way, the water ejected from the discharge port 53 becomes higher or lower, and is intermittently ejected from the discharge port 53a, the discharge port 53b, and the discharge port 53c every time the opening / closing valve 4 rotates 90 degrees. Is done.
In the present embodiment, the sizes of the communication holes 12a, 12b, and 12c are substantially the same. In this case, however, the communication holes 12a are matched without being simultaneously matched due to the rotational angle of the on-off valve 4. After that, the communication hole 12b and the communication hole 12c are aligned with a slight time difference. Therefore, a time difference also occurs in the squirting water, and an effect that varies depending on the behavior of the fountain can be provided. The same applies when mismatching occurs. Further, when the communication holes 12a, 12b, and 12c are sequentially increased in size and formed into a larger fan shape as they go outward from the communication holes 12b and 12c, the communication holes 12a to 12c and the water holes 51a to 51c Needless to say, they coincide with each other and are ejected simultaneously from the discharge ports 53a to 53c.

As described above, the communication holes 12, 12 a, 12 b, 12 c and the water holes 51, 51 a, 51 b, 51 c are designed so as to match each other, and any one of the discharge ports 53, 53 a, 53 b, 53 c is designed. It is desirable to prevent the water pressure in the water conduit 8 from increasing abnormally so that the flowing water 7 is ejected from the water.
Further, reference numeral 11 shown in FIG. 2 is a fastening tool, and the fastening tool 11 is provided at four locations, and indicates that four planetary gears 3b are fastened. The number of the planetary gears 3b is not specified. The same applies to the following embodiments.
In addition, the attachment of the on-off valve 4 is shown as being fastened and fixed by the fastening tool 11 in the present embodiment, but is not limited to this. For example, a protrusion is formed on the planetary gear 3b, By forming a recess in the on-off valve 4, these may be fitted and fixed.

FIG. 3 is a schematic side view showing the state of the fountain, and shows the change of the fountain due to the rotation of the on-off valve 4. In FIG. 1, the connection holes 52 b and 52 c are shown in a slightly inclined state, but in FIG. 3, the connection hole 52 is formed facing upward in order to simplify the detailed description.
FIG. 2A shows the fountain in the state shown in FIG. Is small, and small jet water is formed from the three right and left discharge ports 53a to 53c. FIG. 5B shows a fountain in a state where the on-off valve 4 is rotated and the water passage holes 51a, 51b, 51c are closed. Erupting from. In this case, since the running water 7 is quantitative, the squirting water is highly squirted. As described above, the shape of the fountain is changed by repeating FIG. A and FIG.

  As shown in FIG. 1, when the shape of the discharge port 53a, the discharge port 53b, and the discharge port 53c is a fan-shaped cross section in which the vicinity of the outlet is crushed, the discharge ports 53, 53a, 53b, and 53c are as if The squirting water is squirted as a whole so that they are connected to each other. Moreover, the discharge ports 53, 53a, 53b, and 53c can interfere with each other and can be viewed in a shape in which a peacock has spread wings. Although not shown, it goes without saying that if the discharge ports 53, 53a, 53b, and 53c have a general cylindrical nozzle shape, seven linear water jets as shown in FIG. 3A can be appreciated. .

FIG. 4 is an exploded sectional side view showing another embodiment of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. In this figure, in this embodiment, the drive mechanism 2 has a turbine structure such as a compressor. The drive mechanism 2 includes a moving blade 21 and a stationary blade 22, and the moving blade 21 is coaxially coupled to a sun gear 3 a of a speed reducer 3 including a planetary gear, 22 is fixed to the casing 6 (6b). The blades 21 and the stationary blades 22 are alternately formed to be inclined to face each other like a blade of a gas turbine or a steam turbine, and the flow of the flowing water 7 is changed toward the blade 21. The moving blade 21 rotates more reliably. That is, the stationary blade 22 is inclined so that the flowing water 7 efficiently contacts the moving blade 21 while changing the flow so that the flowing water 7 is directed toward the moving blade 21.
In the case of this embodiment, only two stages of moving blades 21 and three stages of stationary blades 22 are provided because of the drawings. However, the number of stages is not specified in the present embodiment, and the more stages there are. Needless to say, the efficiency of conversion into rotational energy is increased. This rotational speed is greatly decelerated by the speed reducer 3 made of a planetary gear, and the on-off valve 4 that is rotatably fixed to the planetary gear 3b is rotated.
As for the subsequent behavior, as described in the above-described best mode, the rotation speed is greatly reduced by the speed reducer 3, and the on-off valve 4 is rotated while abutting on the nozzle 5 and slowly sliding, The shape of the fountain is changed by supplying or blocking the fountain water by opening and closing the water passage hole 51. Detailed description of the behavior is omitted.

FIG. 5 shows another embodiment of the fountain apparatus according to the present invention. FIG. 5A is a sectional side view of the main part thereof, and FIG. 5B is a plan view showing only the main part thereof. In the figure, the same reference numerals as those shown in FIG.
In the above-described best mode and embodiment, the drive mechanism 2 is installed in the water conduit 8 of the running water 7. However, this embodiment branches the water guide tube 8 of the running water 7 to drive the drive mechanism 2. For this purpose, a dedicated bypass passage 16 is provided. The bypass channel 16 is branched from the middle of the water conduit 8, is disposed so as to surround the water conduit 8, and is provided so as to flow into the water conduit 8 again. A drive mechanism 2 made of a water wheel is horizontally installed in the middle of the bypass flow path 16, and the rotation of the drive mechanism 2 is decelerated by a speed reducer 3 made up of a combination of a plurality of gears, and rotates the on-off valve 4. It is something to move.
In the figure, reference numeral 18 denotes a transmission gear, which is meshed with a gear formed on the outer edge of the on-off valve 4, and transmits the rotation decelerated by the reduction gear 3 to the on-off valve 4, The on-off valve 4 is rotated.
By providing a dedicated bypass flow path for storing the drive mechanism 2 in this manner, there is no extra part such as an impeller that increases the flow resistance in the water conduit 8, so that the jet water has a smooth behavior. Needless to say, the ejection efficiency is more effective.
In the figure, since the drawing is complicated, the cover of the speed reducer 3 is not shown. Moreover, although the bypass flow path 16 branched from the water conduit 8 and returned to the water conduit 8 again, it goes without saying that it may be discharged to the outside.

FIG. 6 shows another embodiment of the fountain apparatus according to the present invention. FIG. 6A is an exploded sectional side view thereof, and FIG. 6B is a sectional plan view taken along line YY in FIG. B shows the meshing state of the on-off valve 4 and the transmission gear 18 for easy understanding. In the figure, the same reference numerals as those shown in FIG.
In the above embodiment, the drive mechanism 2 is installed in the water conduit 8 of the flowing water 7 and the kinetic energy of the flowing water is converted into rotational energy. However, in this embodiment, the motor box 19 is formed in the casing 6. A drive mechanism 2 including a prime mover 17 such as a pulse motor or a stepping motor is built in the prime mover box 19, and the opening / closing valve 4 is rotated by a transmission gear 18 integrally coupled to the drive mechanism 2. . The transmission gear 18 meshes with an internal gear formed on the inner wall of the on-off valve 4. Further, the transmission gear 18 and the driving mechanism 2 are coupled and transmitted by forming a concave portion on one side and forming a convex portion on the other side so that they are matched. In the case of the present embodiment, as shown in FIG. 5A, the transmission gear 18 side is a convex portion and the drive mechanism 2 side is a concave portion. By forming in this way, it can be easily matched by installing the drive mechanism 2 so as to be inserted.

In this embodiment, the transmission gear 18 is meshed with the internal gear of the on-off valve 4, but the meshing of the transmission gear and the on-off valve 4 is performed as in the present embodiment. The internal gear may be formed on the inner side of the valve, or a gear (referred to as “external gear”) may be formed on the outer peripheral edge of the on-off valve 4 as shown in FIG. May be allowed. Although not shown, a gear may be formed on the end surface of the on-off valve 4 having a U-shaped cross section, and a motor may be inserted from the horizontal direction and meshed with the gear.
Further, if a reduction gear such as a planetary gear is interposed between the drive mechanism 2 and the transmission gear 18, torque can be increased, transmission can be performed more reliably, and the rotation speed can be controlled more easily. Can be performed.
Also, as shown in FIG. B, if the idle gear 20 that can freely rotate is engaged, the on-off valve 4 can be rotated more smoothly.
If a plurality of the same nozzles 5 of the communication hole 12 of the on-off valve 4 and the discharge port 53 of the nozzle 5 are installed in the same direction and the same angle, and the rotation of these on-off valves 4 is synchronized, it is more complicated, A more dynamic production is possible.

FIG. 7 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG. Further, as to the drawing procedure, only the on-off valve 4 and the nozzle 5 are shown as in FIG. 2, the on-off valve 4 is shown by a dotted line, and the nozzle 5 is shown by a solid line. The same applies to the following embodiments.
The water passage hole 51 of the nozzle 5 according to the present embodiment is formed in a spiral shape, whereas in the best mode, the water passage hole 51 is formed in a straight shape on the left and right. In this embodiment, a total of 16 water passage holes 51, 51a to 51h are formed on one side. In addition, the on-off valve 4 is provided with communication holes 12 in a cross shape so as to face the number of the water holes 51 and 51a to 51h. In this case, since the water passage holes 51 and 51a to 51h are provided symmetrically, the water passage holes 51 and 51a to 51h are always ejected symmetrically and ejected four times from the discharge ports 53 and 53a to 53h while the on-off valve 4 rotates once. It will be. Moreover, since the water passage holes 51 and 51a to 51h are formed in a spiral shape, a little time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are formed. The water flow hole 51a is closed, the water flow hole 51b and the communication hole 12b are matched, and a little time has passed after the water flow hole 51b and the communication hole 12b are matched. And the communication hole 12b become inconsistent and the water communication hole 51b is closed, and the water communication hole 51c and the communication hole 12c are matched. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. .
In the case of the present embodiment, as the on-off valve 4 rotates, the flowing water 7 is always ejected from the discharge port 53 and the water flow holes 51, 51a to 51h and the connection holes 52, 52a to 52a. Through 52h (not shown), the on-off valve 4 is intermittently ejected from the corresponding discharge ports 53a to 53h every time the opening / closing valve 4 rotates 90 degrees. In addition, it is the same as in the best mode and the above embodiment that the water jetted from the discharge port 53 becomes higher or lower.

FIG. 8 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. The on-off valve 4 in FIG. 7 communicates with the water passage hole 51 of the nozzle 5. In contrast to the case where the holes 12 are individually provided, this embodiment shows a case where the large rectangular communication holes 12 are provided in a cross shape. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In this embodiment, the eight communication holes 12 of the embodiment shown in FIG. 7 are combined into one, and basically a fountain with the same behavior as that of the above-described embodiment of FIG. 7 can be appreciated. That is, some time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are closed due to a mismatch, and the water passage hole 51b and the communication hole 12b are matched. Furthermore, after a certain amount of time has passed since the water flow hole 51b and the communication hole 12b are matched, the water flow hole 51b and the communication hole 12b are closed in a mismatch and the water flow hole 51c and the communication hole 12c are matched. To do. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. . Further, the water ejected from the discharge ports 53, 53a to 53h is the same as in the above embodiment, and detailed description thereof is omitted.

FIG. 9 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
The communication holes 12, 12 a to 12 h according to the present embodiment are made into one pair and the water flow of each nozzle 5 while the on-off valve 4 of FIGS. 7 and 8 is provided with two pairs of communication holes 12. Each communication hole 12 facing the hole 51 is provided in a long arc shape. Therefore, basically, a fountain having the same behavior as that of the above embodiment of FIGS. 7 and 8 can be appreciated, but the squirting water from the individual discharge ports 53, 53a to 53h (not shown) is shown in FIGS. In the case of the eighth embodiment, the on-off valve 4 is ejected four times during one rotation, whereas in the present embodiment, the ejection is performed twice. By providing the communication hole 12 long in this way, the time for ejection from the ejection port 53 is naturally extended, and the ejection port 53 is formed in a spiral shape. Will move gradually and outwardly while being ejected from the plurality of discharge ports 53.

FIG. 10 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the present embodiment, the nozzle 5 is provided with two water passage holes 51a and 51b in the central portion on the same circumference and four water passage holes 51c and 51d in the outer peripheral portion, respectively, and the water passage holes 51a of these nozzles 5 are provided. Each of the two fan-shaped communication holes 12a and 12b is opposed to each of the first and second 51b and 51b, and each of the four fan-shaped communication holes 12c and 12d is opposed to the first and second water-flowing holes 51c and 51d. It is provided in a spiral shape.
Therefore, in the case of the present embodiment, all the water passage holes 51a to 51d are coincident with each other in the figure, and are ejected from a total of 12 outlets 53. When the on-off valve 4 is rotated 90 degrees as indicated by an arrow in the figure, the water holes 51a and 51b provided at the center of the nozzle 5 are inconsistent and only the water holes 51c and 51d are matched. The running water 7 is ejected from the eight outlets 53 in total of the four through holes 51c and 51d. Further, when the on-off valve 4 is rotated 90 degrees, the state shown in the figure is reached, so that the nozzles are ejected from a total of 12 outlets 53. In this way, the water passage holes 51a and 51b are matched every 180 degrees, and the water passage holes 51c and 51d are matched every 90 degrees, so that it is possible to appreciate a very complicated shape of the jet water. .
Note that the water passing holes 51a of this embodiment, 51b, 51c, 51d, which are those provided in a generally symmetrical helically, as shown in FIG. 2, when provided in a straight line, to produce a completely different fountain Needless to say, various combinations are easily conceivable.

11 and 12 are other embodiments showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 11 is a cross-sectional plan view thereof, and FIG. 12 is a side view of the fountain device according to the present embodiment. It is explanatory drawing. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above best mode and Examples 1 to 7, the discharge port 53 of the nozzle 5 has a cylindrical shape, but in this example, the discharge port 53 (53a to 53c) is formed in a ring shape. . As shown in FIG. 11, four water passage holes 51 a to 51 c are respectively provided on the bottom surface of each nozzle 5 with respect to the discharge port 53, and are connected by a connection hole 52. As shown in the figure, the communication hole 12 of the on-off valve 4 is formed in a long hole like the embodiment of FIG. 8, and the water flow hole 51 is always connected to the two communication holes 12. By forming in this way, sufficient flowing water is supplied to the ring-shaped nozzle 5 so that a beautiful ring-shaped fountain is obtained.
Further, in the middle of the connecting hole 52 that connects the water flow hole 51 and the discharge port 53, the storage portion 15 is formed in a donut shape corresponding to the water flow hole 51 and the discharge port 53, respectively, as shown in FIG. The reservoir 15 is adjusted so that the water ejected from the discharge port 53 can be ejected uniformly.

In the case of the present embodiment, as shown in FIG. 11, when the on-off valve 4 is rotated, the communication hole 12 is aligned with the water flow hole 51c of the outermost discharge port 53c. It moves to the water flow hole 51b and further to the water flow hole 51a, and as shown in FIG. 12, it changes from the ring-shaped fountain with a low alternate long and two short dashes line to the fountain shown with a one-dot chain line and a solid line. In addition, since drawing is complicated in the figure, a fountain is shown with the cross-sectional side view.
In this embodiment, a plurality of communication holes 12 are provided for one discharge port 53, but it goes without saying that one may be used.

FIG. 13 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 13A is a perspective view showing only the nozzle 5, and FIG. FIG. 1 and FIG. 2C are perspective views showing only the on-off valve 4. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above embodiment, the on-off valve 4 is a flat plate, but this embodiment shows a hemispherical, three-dimensional on-off valve 4.
As shown in the figure, the nozzle 5 is hemispherical as in the best mode, but the water passage hole 51, the connection hole 52, and the discharge port 53 are close to each other, and the nozzle 5 in FIG. The on-off valve 4 is assembled so as to be covered. The on-off valve 4 of the present embodiment is hollow and is formed in a radial shape like an umbrella bone and has a bowl shape. Although not shown in the bottom, the planetary gear 3b of the planetary gear or a prime mover such as a pulse motor or a stepping motor is used. It is connected so that rotation is possible.
In the case of the present embodiment, the discharge ports 53 are formed in four spirals as shown in FIG. B, and when the on-off valves 4 are rotated as indicated by arrows in FIG. Is always open, but the outlets 53a, 53b, 53c,..., 53g are closed in this order. Moreover, since the on-off valve 4 is formed radially, any of the discharge ports 53a to 53g is opened and closed, and an unexpectedly complex fountain is formed. In addition, since the discharge ports 53 are formed in four rows in a spiral shape, as the on-off valve 4 rotates, the spray water moves from the four discharge ports 53 so as to gradually spread outward. You will be able to appreciate a more complex landscape.
In the present embodiment, the on-off valve 4 and the nozzle 5 are illustrated with substantially the same radius of curvature, so that the water passage hole 51 and the discharge port 53 are close to each other and the connection hole 52 does not appear. If the curvature radius of the valve 4 is increased, the connection hole 52 can be formed, and stable water can be ejected.
Further, in this embodiment, if the on-off valve 4 is formed in a spiral shape along the inner wall of the nozzle 5, a fountain with more changes is formed.

FIG. 14 is a detailed sectional view of the shape of the discharge port 53 of the nozzle 5. As shown in the figure, the discharge port 53 of the nozzle 5 has a diameter that is gradually smaller than that of the water passage hole 51 and is formed in a straight line at the discharge port 53 portion. The length L1 of the straight portion of the discharge port 53 is preferably about the same as the diameter of the discharge port 53. Moreover, about length L2 from the inlet of the water flow hole 51 to a linear part, it is desirable to reduce a diameter gradually and to form in cone shape. A so-called convergent nozzle whose diameter decreases as the running water progresses is desirable.
Needless to say, the sectional shape of the nozzle 5 can be applied to all the embodiments including the best mode described above.

The embodiment described above is a very small part, and the combinations of the position / shape of the discharge port 53 of the nozzle 5 and the position / shape of the communication hole 12 of the on-off valve 4 are infinite. As described in the above-described embodiment, a plurality of on-off valves 4 can be considered for the shape of the discharge port 53 of a kind of nozzle 5, and the on-off valves 4 for shutting off and supplying water flowing through these water conduits and the flowing water By exchanging the nozzle 5 for jetting, the shape, jetting time, movement, and the like of the jet water can be changed, and a more beautiful fountain can be produced and different behavior of the fountain can be obtained. Conversely, the discharge ports 53 of the plurality of nozzles 5 are conceivable with respect to the shape of a kind of on-off valve 4, and the shape, time and movement of the water jet can be changed in the same manner. Since the on-off valve 4 and the nozzle 5 are attached by screwing, the attachment and replacement are easy. In addition, if the turning direction of the on-off valve is reversed, a completely different movement of the squirt water can be generated.
Further, the ring-shaped nozzle 5 shown in the eighth embodiment is not limited to a circular shape, and may be a polygonal shape such as a triangle, a quadrangle, or a pentagon. By making such a polygonal shape, The fountain which breaks the conventional common sense can be provided. Further, if the discharge port 53 is shaped according to various events such as a ceremonial occasion such as a heart shape, a star shape, or a fish shape, a more suitable effect can be achieved.
Similarly, in the above-described embodiment, the nozzle 5 has been described as hemispherical, but the nozzle 5 may be formed of a cylindrical column as in the second or third embodiment, or a polygonal column such as a triangular column or a quadrangular column. Further, by providing an inclination to the discharge port 53 of such a polygonal column nozzle 5, a fountain that expands greatly can be provided.

This combination may be any as long as it is the same as the idea according to the present invention, and is not limited to the above-described embodiment. It will be explained that various fountain shapes can be obtained by exchanging the combination of the nozzles 5 having different positions and shapes of the discharge ports 53 and the on-off valves 4 having different positions and shapes of the communication holes 12 as described above. It is not to be over.
The nozzle itself is fixed to the casing of the fountain device by screwing, and the speed reducer and the like are housed inside them, so that the liquid can be surely liquid-tight, and water leakage from the gap and the sliding portion is prevented. In addition to being able to prevent, it is easy to attach and detach the nozzle, and disassembly and cleaning such as removal of scale can be easily performed.
In addition, although the said storage part 15 demonstrated only about Example 8, it cannot be overemphasized that it can apply also to another above-described Example.

1 is an exploded sectional side view showing the best mode of a fountain device according to the present invention. It is a section plane explanatory view in the XX line in Drawing 1 of the fountain device by the present invention. 1A is a schematic side view showing a state of a fountain by a fountain apparatus according to the present invention. FIG. 1A shows a fountain in a state where the communication hole and the water passage hole coincide with each other, and FIG. It shows a fountain in a closed state. 1 is an exploded sectional side view showing a first embodiment of a fountain device according to the present invention. The 2nd Example of the fountain apparatus by this invention is shown, The figure A is the principal part cross-sectional side view, The figure B is a top view which shows only the principal part. The 3rd Example of the fountain apparatus by this invention is shown, The same figure A is a decomposition | disassembly cross-section side view, B of FIG. It is a section plane explanatory view showing the 4th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 5th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 6th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 7th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 8th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is side explanatory drawing of FIG. 11 of the fountain apparatus by this invention. FIG. 11 is a side explanatory view showing a ninth embodiment of the on-off valve and nozzle of the fountain device according to the present invention, in which FIG. A is a perspective view showing only the nozzle, FIG. B is a plan view thereof, and FIG. FIG. It is detailed sectional drawing which shows the shape of the discharge outlet of the nozzle by this invention.

DESCRIPTION OF SYMBOLS 1 Fountain device 2 Drive mechanism 3 Reduction gear 4 On-off valve 5 Nozzle 51 Water flow hole 52 Connection hole 53 Discharge port 6 Casing 7 Flowing water 8 Water guide pipe 11 Fastening tool 12 Communication hole 15 Storage part 16 Bypass flow path

  The present invention relates to a fountain device, and relates to a fountain device capable of providing a fountain with a change in squirt water.

The fountains usually installed in the corners of parks and factories are very reassuring to entertain our ears and eyes, as well as the mountain streams flowing through the mountains and the waterfalls flowing through the valleys.
However, almost all of the fountains are just spouted up and have no change at all. Some of them have intermittently changed water by ejecting or stopping water with a certain period, and by rotating or swinging the nozzle body using the reaction of the ejected water, There is one in which spout water is made to rotate or swing.
Also, there are some fountain nozzles that are controlled by computer to change the squirting water and invite aesthetics. This is a high-tech fountain. Water dances by flashing lights according to live performances, etc., and by opening and closing the fountain pump and water supply valve to shut off and supply water, creating the fountain shape as if changing. , It makes the world of aqua art appear.

Various fountains devised by the present inventors have been proposed for such problems. For example, Japanese Utility Model Publication No. 54-479 proposes a fountain capable of continuously changing the fountain from a square cross section to a cross shape, or from an inverted conical shape to a cylindrical shape. . In addition, Japanese Utility Model Publication No. 54-2240 proposes a fountain that changes the fountain so that a fan is continuously opened and closed.
Furthermore, Japanese Utility Model Publication No. 57-20293 proposes a fountain that changes the blown water so that a fan is continuously opened and closed, as described in Japanese Utility Model Publication No. 54-2240. .

  Japanese Patent Application Laid-Open No. 8-131900 discloses that the flow of water ejected from the nozzle in the horizontal direction is diffused in a substantially right angle direction by a fan-shaped diffuser plate, and the fan-shaped opening angle of the water diffused by the fan-shaped diffuser plate is limited. A fan-shaped fountain device has been proposed in which a pair of open angle plates are provided so that the angle can be changed, and a fountain having a shape for opening and closing the fan is provided.

Japanese Utility Model Publication No. 54-479 Japanese Utility Model Publication No.54-2240 Japanese Utility Model Publication No.57-20293 JP-A-8-131900

The fountain apparatus described in the above-mentioned patent document has a change in the water that is surely ejected, but in any case, only the reciprocating motion of the ejected water is simply repeated, and the viewer is quickly bored. .
In addition, in the case of the fountain apparatus described in Patent Documents 1 to 3, all of them are a combination of a plurality of gears and a cam mechanism, and there are many mechanical losses, and the driving force obtained by running water is reliably transmitted without waste. Is difficult. And since a cam etc. intervene in the flow path of flowing water, flowing water resistance is large, and since there are many engaging parts and rotating shaft support parts, the possibility of occurrence of water leakage increases and the ejection efficiency is poor.
In the case of the fountain device described in Patent Document 4, a pair of open angle plates that limit and set the fan-shaped opening angle of the water diffused by the fan-shaped diffusion plate are provided so that the angle can be changed, and the angle of the pair of open angle plates is changed and driven. In order to drive the opening angle changing drive device, a powerful power from the outside is indispensable for driving the device, and a great investment in equipment is required. Although it is possible to change the fan-shaped opening angle of the diffusion water, when the opening angle is changed, there is a change in the diffusion water at the opening angle. However, it merely reciprocates within the angle range. Accordingly, the fountain device also simply performs a reciprocating motion.
In addition, when constructing a facility for producing a lively fountain using a large number of nozzles as described above, these devices are of course, but the computer control device for operating the fountain device is enormous. Cost. In addition, the individual nozzles are merely ejected intermittently, and it is possible to produce an effect in which the ejected water moves only when the plurality of nozzles cooperate.

  The present inventors have repeated research and development thereafter, and have solved the above-mentioned various problems, by providing a plurality of discharge ports in the nozzle itself, and opening and closing a water passage hole communicating with the discharge port by an on-off valve, The object is to provide a beautiful and varied fountain with only one nozzle in the fountain itself.

The present invention is a fountain device in which the water ejected from a nozzle is changed, and a discharge port is provided on the surface, and water passage holes are provided symmetrically on the bottom surface. Are connected to each other through a connecting hole, and a nozzle that is configured to eject flowing water from the discharge port and a water-conducting pipe that can be rotated, and a plurality of communicating holes are provided symmetrically to face the water-transmitting hole. An on-off valve that shuts off and supplies water flowing in the water conduit and a drive mechanism for rotating the on-off valve , between the recess formed on the bottom surface of the nozzle and the casing of the fountain device, A speed reducer for reducing the number of revolutions of the on-off valve and the driving mechanism and rotating the on-off valve is housed, and the on- off valve and the bottom surface of the nozzle are in contact with each other so as to be slidable. By rotating the water passage hole formed in the bottom surface of the nozzle. When the communication hole opened in the closing is met each other, a fountain device being characterized in that so as to eject the flowing water from the discharge port of the nozzle corresponding to the vent water hole.

According to the first aspect of the present invention, the on-off valve is provided with a plurality of symmetrical communication holes, the nozzle is provided with a plurality of discharge ports on the surface, and the bottom surface is provided with a symmetrical water flow hole. The outlet and the water passage hole communicate with each other through a connecting hole, and the water flow is ejected from the discharge port, and the water passage hole leading to the nozzle discharge port is opened and closed by an on-off valve to supply or shut off the water flow. Since the opening and closing valve is rotated, when the water passage hole formed in the bottom surface of the nozzle and the communication hole opened in the opening and closing valve match each other, the flowing water is supplied to the discharge port of the nozzle. The flowing water that spouts from the discharge port changes with time by turning the on-off valve, and only one fountain nozzle can produce a three-dimensional beautiful fountain that is dynamic and changes. With the layout of the communication holes provided in the on-off valve and the layout of the discharge ports provided in the nozzles, fountains with different shapes, times, movements, etc. can be realized, creating a more beautiful and beautiful three-dimensional fountain. It became so.
In addition, since the on-off valve rotates relatively slowly, the water flow hole provided in the bottom surface of the nozzle is gradually opened and fully opened and then gradually closed, so that the water flowing through the water flow hole gradually increases. However, the weight will be gradually reduced, creating a tasteful atmosphere in the spout water.

Then, a driving mechanism for rotating the on-off valve rotates the impeller using the flow of water, and the rotational speed of the impeller is greatly reduced by the planetary gear to give torque to the rotational force. Because the on-off valve is rotated, there is no need for any external power such as pumps, electric motors, motors, etc., wherever water is flowing, wherever you can be beautiful and beautiful. It became possible to provide a fountain landscape. In addition, since there is nothing in the flow channel for increasing the flow resistance, the ejection efficiency is remarkably improved.
And since it has a structure that converts it into rotational energy using the kinetic energy of running water, it does not require any external power such as pumps, electric motors, motors, etc. There is no need, it has an effect as an energy saving measure, and the ECO effect for preventing global warming is also great.
In another embodiment, the on / off valve drive mechanism is equipped with a prime mover such as a pulse motor or a stepping motor to rotate the on / off valve, so that the rotation speed of the on / off valve can be freely controlled. It is possible to produce a more stable squirting water, and to make the squirting water more or less steep.

And since the storage part was formed so that the water flow hole in a symmetrical position might mutually communicate in the middle of the communication hole which connects a symmetrical water flow hole and a discharge port, it can secure sufficient quantity of spout water. The stability of the erupted water was significantly improved.

Since the nozzles can be attached to and detached from the casing by screwing, these nozzles and the on-off valve can be easily attached and detached. Therefore, by preparing multiple open / close valves with different positions and shapes of the water passage holes and nozzles with different positions and shapes of the discharge ports, and replacing the open / close valves and nozzles in an appropriate combination, the shape / spout time of the spout water -The movement can be changed easily, and it is now possible to produce a more beautiful three-dimensional fountain. In this way, if the combination of the on-off valve and the nozzle is regularly exchanged, it is possible to easily provide a beautiful fountain with different productions, and to enjoy the fountain with a fresh feeling forever without getting bored with the viewer It became so.
Further, according to the present invention, since the nozzle itself is fixed to the casing of the fountain device by screwing or fitting, it can be surely made liquid and can prevent water leakage from the gap portion and the sliding portion. In addition, it is easy to attach and detach the nozzle, and it is possible to easily and very easily perform maintenance work such as disassembly cleaning such as water scale removal and nozzle cleaning.

  The impeller is installed in a bypass channel formed by branching the water conduit so that the stability of the effluent can be significantly improved without any resistance to running water for the fountain. became.

The best mode of a fountain device according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is an exploded cross-sectional side view showing the best mode of a fountain device according to the present invention. In the figure, reference numeral 1 denotes a fountain device. The fountain device 1 includes a drive mechanism 2 composed of an impeller for obtaining power, a speed reducer 3 using a planetary gear for reducing the rotational speed of the drive mechanism 2, and flowing water. It comprises an on-off valve 4 for shutting off and supplying water and a nozzle 5 for ejecting running water.
The drive mechanism 2 is rotatably installed in a cylindrical portion 6b of the casing 6 of the fountain apparatus 1, and the casing 6 is installed in a water conduit 8 for flowing water 7 flowing from a water source. By being fixed to the water conduit 8, the function as the water conduit 8 is also achieved.
The drive mechanism 2 is formed in a spiral shape by twisting a plate-like member such as iron or stainless steel, or by casting or synthetic resin, and can be rotated by the flow of running water 7. Power is the source of power. That is, when the drive mechanism 2 rotates, the kinetic energy of the flowing water 7 is absorbed and converted into rotational energy for turning the on-off valve 4 described later. The rotational speed of the drive mechanism 2 depends on the diameter, inclination angle, and the like of the twisted blade, and cannot be defined unconditionally.

The speed reducer 3 is a speed reducer using a planetary gear, and the drive mechanism 2 is fixed coaxially with the rotating shaft of the sun gear 3a located at the center of the planetary gear. A gap S is provided at the axial center of the sun gear 3a so that the running water 7 can freely flow. A plurality of planetary gears 3b are meshed with the sun gear 3a and meshed with an outer ring gear 3c formed integrally with the inner peripheral wall of the casing 6 (6a). The plurality of planetary gears 3b are integrally connected by the carrier 10 so that the individual planetary gears 3b can rotate. Due to the action of the speed reducer 3 by the planetary gear, the rotational speed of the drive mechanism 2 is greatly decelerated, and torque is imparted to the rotational force and transmitted to the planetary gear 3b.
The planetary gear speed reducer 3 comprising the sun gear 3a, the planetary gear 3b and the outer ring gear 3c is housed in the gear box 6a of the casing 6, and the outer ring gear 3c is the inner peripheral wall of the gear box 6a of the casing 6. Are integrally formed. Further, in the present embodiment, the outer diameter of the sun gear 3a is slightly larger than the outer diameter of the drive mechanism 2, but this is to ensure the gap S in order to make the flowing water 7 easier to flow. Needless to say, if the outer diameter of the sun gear 3a is reduced and the number of teeth is reduced, it is needless to say that the reduction ratio can be increased. In addition, since the rotating shaft of the driving mechanism 2 and the rotating shaft of the sun gear 3a can be coaxially supported, the resistance generated in the water conduit 8 can be suppressed as much as possible.

The on-off valve 4 is rotatably fixed to a carrier 10 that connects a planetary gear 3b of a planetary gear by means of a tightening tool 11 such as a screw or a bolt, and between the speed reducer 3 and a nozzle 5 described later. And is slidably mounted in contact with the nozzle 5. With this configuration, when the flowing water 7 flows in the water guide pipe 8, the drive mechanism 2 rotates, and the rotational speed is greatly reduced by the reduction gear 3 using the planetary gear, and the planetary gear 3 b and the carrier 10 are used. The on-off valve 4 is reliably rotated.
For example, when the drive mechanism 2 rotates clockwise as viewed from the lower side of FIG. 1, the sun gear 3a is similarly rotated clockwise because the sun gear 3a is pivotally supported on the same axis as the drive mechanism 2. The planetary gear 3b meshing with the sun gear 3a rolls on the outer ring gear 3c while rotating counterclockwise, and rotates in the same direction as the sun gear 3a. Since the outer ring gear 3c is fixed, the on-off valve 4 rotatably attached to the planetary gear 3b via the carrier 10 also rotates clockwise in the same manner.
In the on-off valve 4, a plurality of communication holes 12, 12 a, 12 b,... Are opened symmetrically facing the water passage holes 51, 51 a, 51 b,. The flowing water 7 passes through the communication holes 12, 12a, 12b,... And flows into the water flow holes 51, 51a, 51b,. , 52b,... And ejected from the discharge ports 53, 53a, 53b,.
In the figure, reference numeral 13 denotes a water stop cock, which can supply the running water 7 to the conduit 8 by opening the stop cock 13 and stop supplying the running water 7 to the conduit 8 by closing it. .

In the case of the present embodiment, the nozzle 5 is formed in a substantially hemispherical shape, and is screwed to the outer peripheral edge 6 c of the casing 6. A recess 14 is formed in the bottom surface of the nozzle 5, and the opening / closing valve 4 is accommodated in the recess 14, and water is passed through the bottom surface of the nozzle 5 symmetrically facing the communication hole 12 of the opening / closing valve 4. Holes 51, 51a, 51b, 51c are provided, and discharge ports 53, 53a, 53b, 53c are formed on the surface thereof. Further, connecting holes 52, 52a, 52b, 52c are formed inside the nozzle 5, and the connecting holes 52, 52a, 52b, 52c correspond to the water holes 51, 51a, 51b, 51c, respectively. The discharge ports 53, 53a, 53b, and 53c are in communication. When the on-off valve 4 abuts on the bottom surface of the nozzle 5 and slides and rotates, the on-off valve 4 is opened on one of the water holes 51, 51a, 51b, 51c provided on the bottom surface of the nozzle 5. When any one of the communication holes 12, 12a, 12b, and 12c matches each other, the flowing water 7 flows from the matched communication holes 12, 12a, 12b, and 12c to the water holes 51, 51a, 51b, and 51c, and is further connected to the connection holes. 52, 52a, 52b, and 52c are ejected symmetrically from the corresponding discharge ports 53, 53a, 53b, and 53c to form a fountain.
In the present embodiment, the opening / closing valve 4 is attached to the carrier 10 by the fastening tool 11, but the opening / closing valve 4 may be directly attached to the planetary gear 3b so as to be freely rotatable. Needless to say.

The casing 6 includes a gear box 6a and a cylindrical portion 6b. The gear box 6a houses the speed reducer 3 composed of the planetary gear, and the cylindrical mechanism 6b is rotated by the drive mechanism 2. It is inserted freely. Further, a gear is provided on the inner peripheral wall of the gear box 6a, and functions as the outer ring gear 3c of the planetary gear. Needless to say, the gear box 6a and the cylindrical portion 6b may be formed by screwing together as shown in FIG.
The detailed structures such as bearings and seals necessary for attaching the drive mechanism 2 to the casing 6 are equipped with ordinary well-known techniques. However, it is complicated to describe all of these details. Detailed descriptions and descriptions in the drawings are omitted.

Next, the relationship between the on-off valve 4 and the nozzle 5 will be described in detail with reference to the drawings.
FIG. 2 is a cross-sectional plan view of the fountain device 1 taken along the line XX in FIG. 1, showing only the on-off valve 4 and the nozzle 5 for easy understanding, and the on-off valve 4 is shown by a dotted line. 5 is indicated by a solid line. In the figure, the same reference numerals as those in FIG. 1 denote the same components, and a detailed description thereof is omitted.
As shown in the figure, the water passage hole 51 is provided at the center of the nozzle 5, and the water passage holes 51 a to 51 c are sequentially provided on the straight line symmetrically about the center water passage hole 51. Yes. On the other hand, the on-off valve 4 has a communication hole 12 at the center similar to the water flow hole 51 of the nozzle 5, and communication holes 12a-12c in a cross shape in four directions facing the water flow holes 51a-51c. Is provided. With this configuration, the water flow hole 51 provided in the center and the communication hole 12 always coincide with each other, but when the on-off valve 4 rotates in the direction of the arrow in FIG. When the water communication hole 12a, the water communication hole 51b, the communication hole 12b, the water communication hole 51c, and the communication hole 12c are matched, the flowing water 7 flowing through the water conduit 8 is communicated with the communication holes 12, 12a, 12b, 12c and the water communication holes 51, It flows through 51a, 51b, 51c, passes through the connecting holes 52, 52a, 52b, 52c shown in FIG. 1, and is ejected from the corresponding discharge ports 53, 53a, 53b, 53c.

Further, when the on-off valve 4 rotates in the direction of the arrow in the figure, only the water passage hole 51 is always open, but the water passage holes 51a, 51b, 51c are closed, and the running water 7 passes through the communication hole 12, It passes through the water hole 51 and the connecting hole 52 and is ejected vigorously only from the discharge port 53. Then, when the on-off valve 4 further rotates and the water passage hole 51a and the communication hole 12a, the water passage hole 51b and the communication hole 12b, and the water passage hole 51c and the communication hole 12c match, the flowing water 7 flowing through the water conduit 8 is Of course, the ejection port 53 passes through the corresponding water passage holes 51a to 51c and the connection holes 52a to 52c, and is also ejected from the ejection ports 53a to 53c. In this case, since the running water 7 is fixed, the amount of water ejected from the discharge ports 53a to 53c is decreased, and the amount of ejection from the discharge port 53 is decreased. In this way, the water ejected from the discharge port 53 becomes higher or lower, and is intermittently ejected from the discharge port 53a, the discharge port 53b, and the discharge port 53c every time the opening / closing valve 4 rotates 90 degrees. Is done.
In the present embodiment, the sizes of the communication holes 12a, 12b, and 12c are substantially the same. In this case, however, the communication holes 12a are matched without being simultaneously matched due to the rotational angle of the on-off valve 4. After that, the communication hole 12b and the communication hole 12c are aligned with a slight time difference. Therefore, a time difference also occurs in the squirting water, and an effect that varies depending on the behavior of the fountain can be provided. The same applies when mismatching occurs. Further, when the communication holes 12a, 12b, and 12c are sequentially increased in size and formed into a larger fan shape as they go outward from the communication holes 12b and 12c, the communication holes 12a to 12c and the water holes 51a to 51c Needless to say, they coincide with each other and are ejected simultaneously from the discharge ports 53a to 53c.

As described above, the communication holes 12, 12 a, 12 b, 12 c and the water holes 51, 51 a, 51 b, 51 c are designed so as to match each other, and any one of the discharge ports 53, 53 a, 53 b, 53 c is designed. It is desirable to prevent the water pressure in the water conduit 8 from increasing abnormally so that the flowing water 7 is ejected from the water.
Further, reference numeral 11 shown in FIG. 2 is a fastening tool, and the fastening tool 11 is provided at four locations, and indicates that four planetary gears 3b are fastened. The number of the planetary gears 3b is not specified. The same applies to the following embodiments.
In addition, the attachment of the on-off valve 4 is shown as being fastened and fixed by the fastening tool 11 in the present embodiment, but is not limited to this. For example, a protrusion is formed on the planetary gear 3b, By forming a recess in the on-off valve 4, these may be fitted and fixed.

FIG. 3 is a schematic side view showing the state of the fountain, and shows the change of the fountain due to the rotation of the on-off valve 4. In FIG. 1, the connection holes 52 b and 52 c are shown in a slightly inclined state, but in FIG. 3, the connection hole 52 is formed facing upward in order to simplify the detailed description.
FIG. 2A shows the fountain in the state shown in FIG. Is small, and small jet water is formed from the three right and left discharge ports 53a to 53c. FIG. 5B shows a fountain in a state where the on-off valve 4 is rotated and the water passage holes 51a, 51b, 51c are closed. Erupting from. In this case, since the running water 7 is quantitative, the squirting water is highly squirted. As described above, the shape of the fountain is changed by repeating FIG. A and FIG.

  As shown in FIG. 1, when the shape of the discharge port 53a, the discharge port 53b, and the discharge port 53c is a fan-shaped cross section in which the vicinity of the outlet is crushed, the discharge ports 53, 53a, 53b, and 53c are as if The squirting water is squirted as a whole so that they are connected to each other. Moreover, the discharge ports 53, 53a, 53b, and 53c can interfere with each other and can be viewed in a shape in which a peacock has spread wings. Although not shown, it goes without saying that if the discharge ports 53, 53a, 53b, and 53c have a general cylindrical nozzle shape, seven linear water jets as shown in FIG. 3A can be appreciated. .

FIG. 4 is an exploded sectional side view showing another embodiment of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. In this figure, in this embodiment, the drive mechanism 2 has a turbine structure such as a compressor. The drive mechanism 2 includes a moving blade 21 and a stationary blade 22, and the moving blade 21 is coaxially coupled to a sun gear 3 a of a speed reducer 3 including a planetary gear, 22 is fixed to the casing 6 (6b). The blades 21 and the stationary blades 22 are alternately formed to be inclined to face each other like a blade of a gas turbine or a steam turbine, and the flow of the flowing water 7 is changed toward the blade 21. The moving blade 21 rotates more reliably. That is, the stationary blade 22 is inclined so that the flowing water 7 efficiently contacts the moving blade 21 while changing the flow so that the flowing water 7 is directed toward the moving blade 21.
In the case of this embodiment, only two stages of moving blades 21 and three stages of stationary blades 22 are provided because of the drawings. However, the number of stages is not specified in the present embodiment, and the more stages there are. Needless to say, the efficiency of conversion into rotational energy is increased. This rotational speed is greatly decelerated by the speed reducer 3 made of a planetary gear, and the on-off valve 4 that is rotatably fixed to the planetary gear 3b is rotated.
As for the subsequent behavior, as described in the above-described best mode, the rotation speed is greatly reduced by the speed reducer 3, and the on-off valve 4 is rotated while abutting on the nozzle 5 and slowly sliding, The shape of the fountain is changed by supplying or blocking the fountain water by opening and closing the water passage hole 51. Detailed description of the behavior is omitted.

Reference example 1

FIG. 5 shows a reference example of the fountain device according to the present invention. FIG. 5A is a cross-sectional side view of the main part thereof, and FIG. 5B is a plan view showing only the main part. In the figure, the same reference numerals as those shown in FIG.
In the above best mode and embodiment, the drive mechanism 2 is installed in the water conduit 8 of the running water 7. However, in this reference example, the drive mechanism 2 is driven by branching the water conduit 8 of the running water 7. For this purpose, a dedicated bypass passage 16 is provided. The bypass channel 16 is branched from the middle of the water conduit 8, is disposed so as to surround the water conduit 8, and is provided so as to flow into the water conduit 8 again. A drive mechanism 2 made of a water wheel is horizontally installed in the middle of the bypass flow path 16, and the rotation of the drive mechanism 2 is decelerated by a speed reducer 3 made up of a combination of a plurality of gears, and rotates the on-off valve 4. It is something to move.
In the figure, reference numeral 18 denotes a transmission gear, which is meshed with a gear formed on the outer edge of the on-off valve 4, and transmits the rotation decelerated by the reduction gear 3 to the on-off valve 4, The on-off valve 4 is rotated.
By providing a dedicated bypass flow path for storing the drive mechanism 2 in this manner, there is no extra part such as an impeller that increases the flow resistance in the water conduit 8, so that the jet water has a smooth behavior. Needless to say, the ejection efficiency is more effective.
In the figure, since the drawing is complicated, the cover of the speed reducer 3 is not shown. Moreover, although the bypass channel 16 showed the reference example which branched from the water conduit 8 and returned to the water conduit 8 again, it cannot be overemphasized that you may make it discharge | release outside.

Reference example 2

FIG. 6 shows another reference example of the fountain device according to the present invention. FIG. 6A is an exploded sectional side view thereof, and FIG. 6B is a sectional plan view taken along the line Y-Y in FIG. B shows the meshing state of the on-off valve 4 and the transmission gear 18 for easy understanding. In the figure, the same reference numerals as those shown in FIG.
In the above embodiment, the drive mechanism 2 is installed in the water conduit 8 of the flowing water 7 and the kinetic energy of the flowing water is converted into rotational energy. However, in this reference example, the motor box 19 is formed in the casing 6. A drive mechanism 2 comprising a prime mover 17 such as a pulse motor or a stepping motor is built in the prime mover box 19, and the opening / closing valve 4 is rotated by a transmission gear 18 integrally coupled to the drive mechanism 2. . The transmission gear 18 meshes with an internal gear formed on the inner wall of the on-off valve 4. Further, the transmission gear 18 and the driving mechanism 2 are coupled and transmitted by forming a concave portion on one side and forming a convex portion on the other side so that they are matched. In the case of this reference example, as shown in FIG. 5A, the transmission gear 18 side is a convex portion and the drive mechanism 2 side is a concave portion. By forming in this way, it can be easily matched by installing the drive mechanism 2 so as to be inserted.

In this reference example, the transmission gear 18 is meshed with the internal gear of the on-off valve 4; however, the meshing of the transmission gear and the on-off valve 4 is performed as in this reference example. The internal gear may be formed on the inner side of the valve, or a gear (referred to as “external gear”) may be formed on the outer peripheral edge of the on-off valve 4 as shown in FIG. May be allowed. Although not shown, a gear may be formed on the end surface of the on-off valve 4 having a U-shaped cross section, and a motor may be inserted from the horizontal direction and meshed with the gear.
Further, if a reduction gear such as a planetary gear is interposed between the drive mechanism 2 and the transmission gear 18, torque can be increased, transmission can be performed more reliably, and the rotation speed can be controlled more easily. Can be performed.
Also, as shown in FIG. B, if the idle gear 20 that can freely rotate is engaged, the on-off valve 4 can be rotated more smoothly.
If a plurality of the same nozzles 5 of the communication hole 12 of the on-off valve 4 and the discharge port 53 of the nozzle 5 are installed in the same direction and the same angle, and the rotation of these on-off valves 4 is synchronized, it is more complicated, A more dynamic production is possible.

FIG. 7 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG. Further, as to the drawing procedure, only the on-off valve 4 and the nozzle 5 are shown as in FIG. 2, the on-off valve 4 is shown by a dotted line, and the nozzle 5 is shown by a solid line. The same applies to the following embodiments.
The water passage hole 51 of the nozzle 5 according to the present embodiment is formed in a spiral shape, whereas in the best mode, the water passage hole 51 is formed in a straight shape on the left and right. In this embodiment, a total of 16 water passage holes 51, 51a to 51h are formed on one side. In addition, the on-off valve 4 is provided with communication holes 12 in a cross shape so as to face the number of the water holes 51 and 51a to 51h. In this case, since the water passage holes 51 and 51a to 51h are provided symmetrically, the water passage holes 51 and 51a to 51h are always ejected symmetrically and ejected four times from the discharge ports 53 and 53a to 53h while the on-off valve 4 rotates once. It will be. Moreover, since the water passage holes 51 and 51a to 51h are formed in a spiral shape, a little time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are formed. The water flow hole 51a is closed, the water flow hole 51b and the communication hole 12b are matched, and a little time has passed after the water flow hole 51b and the communication hole 12b are matched. And the communication hole 12b become inconsistent and the water communication hole 51b is closed, and the water communication hole 51c and the communication hole 12c are matched. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. .
In the case of the present embodiment, as the on-off valve 4 rotates, the flowing water 7 is always ejected from the discharge port 53 and the water flow holes 51, 51a to 51h and the connection holes 52, 52a to 52a. Through 52h (not shown), the on-off valve 4 is intermittently ejected from the corresponding discharge ports 53a to 53h every time the opening / closing valve 4 rotates 90 degrees. In addition, it is the same as in the best mode and the above embodiment that the water jetted from the discharge port 53 becomes higher or lower.

FIG. 8 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. The on-off valve 4 in FIG. 7 communicates with the water passage hole 51 of the nozzle 5. In contrast to the case where the holes 12 are individually provided, this embodiment shows a case where the large rectangular communication holes 12 are provided in a cross shape. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In this embodiment, the eight communication holes 12 of the embodiment shown in FIG. 7 are combined into one, and basically a fountain with the same behavior as that of the above-described embodiment of FIG. 7 can be appreciated. That is, some time passes after the water passage hole 51a and the communication hole 12a are matched, and the water passage hole 51a and the communication hole 12a are closed due to a mismatch, and the water passage hole 51b and the communication hole 12b are matched. Furthermore, after a certain amount of time has passed since the water flow hole 51b and the communication hole 12b are matched, the water flow hole 51b and the communication hole 12b are closed in a mismatch and the water flow hole 51c and the communication hole 12c are matched. To do. In this way, the spout water moves so as to gradually spread outward from the coincidence of the water passage hole 51a and the communication hole 12a to the coincidence of the water passage hole 51h and the communication hole 12h with a time difference. . Further, the water ejected from the discharge ports 53, 53a to 53h is the same as in the above embodiment, and detailed description thereof is omitted.

FIG. 9 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
The communication holes 12, 12 a to 12 h according to the present embodiment are made into one pair and the water flow of each nozzle 5 while the on-off valve 4 of FIGS. 7 and 8 is provided with two pairs of communication holes 12. Each communication hole 12 facing the hole 51 is provided in a long arc shape. Therefore, basically, a fountain having the same behavior as that of the above embodiment of FIGS. 7 and 8 can be appreciated, but the squirting water from the individual discharge ports 53, 53a to 53h (not shown) is shown in FIGS. In the case of the eighth embodiment, the on-off valve 4 is ejected four times during one rotation, whereas in the present embodiment, the ejection is performed twice. By providing the communication hole 12 long in this way, the time for ejection from the ejection port 53 is naturally extended, and the ejection port 53 is formed in a spiral shape. Will move gradually and outwardly while being ejected from the plurality of discharge ports 53.

FIG. 10 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the present embodiment, the nozzle 5 is provided with two water passage holes 51a and 51b in the central portion on the same circumference and four water passage holes 51c and 51d in the outer peripheral portion, respectively, and the water passage holes 51a of these nozzles 5 are provided. Each of the two fan-shaped communication holes 12a and 12b is opposed to each of the first and second 51b and 51b, and each of the four fan-shaped communication holes 12c and 12d is opposed to the first and second water-flowing holes 51c and 51d. It is provided in a spiral shape.
Therefore, in the case of the present embodiment, all the water passage holes 51a to 51d are coincident with each other in the figure, and are ejected from a total of 12 outlets 53. When the on-off valve 4 is rotated 90 degrees as indicated by an arrow in the figure, the water holes 51a and 51b provided at the center of the nozzle 5 are inconsistent and only the water holes 51c and 51d are matched. The running water 7 is ejected from the eight outlets 53 in total of the four through holes 51c and 51d. Further, when the on-off valve 4 is rotated 90 degrees, the state shown in the figure is reached, so that the nozzles are ejected from a total of 12 outlets 53. In this way, the water passage holes 51a and 51b are matched every 180 degrees, and the water passage holes 51c and 51d are matched every 90 degrees, so that it is possible to appreciate a very complicated shape of the jet water. .
In addition, although the water flow holes 51a, 51b, 51c, and 51d of the present embodiment are provided spirally in a symmetrical manner, if they are provided on a straight line as shown in FIG. 2, a completely different fountain can be produced. Needless to say, various combinations are easily conceivable.

11 and 12 are other embodiments showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 11 is a cross-sectional plan view thereof, and FIG. 12 is a side view of the fountain device according to the present embodiment. It is explanatory drawing. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above best mode and Examples 1 to 5 , the shape of the discharge port 53 of the nozzle 5 is cylindrical, but in this example, the discharge port 53 (53a to 53c) is formed in a ring shape. . As shown in FIG. 11, four water passage holes 51 a to 51 c are respectively provided on the bottom surface of each nozzle 5 with respect to the discharge port 53, and are connected by a connection hole 52. As shown in the figure, the communication hole 12 of the on-off valve 4 is formed in a long hole like the embodiment of FIG. 8, and the water flow hole 51 is always connected to the two communication holes 12. By forming in this way, sufficient flowing water is supplied to the ring-shaped nozzle 5 so that a beautiful ring-shaped fountain is obtained.
Further, in the middle of the connecting hole 52 that connects the water flow hole 51 and the discharge port 53, the storage portion 15 is formed in a donut shape corresponding to the water flow hole 51 and the discharge port 53, respectively, as shown in FIG. The reservoir 15 is adjusted so that the water ejected from the discharge port 53 can be ejected uniformly.

In the case of the present embodiment, as shown in FIG. 11, when the on-off valve 4 is rotated, the communication hole 12 is aligned with the water flow hole 51c of the outermost discharge port 53c. It moves to the water flow hole 51b and further to the water flow hole 51a, and as shown in FIG. 12, it changes from the ring-shaped fountain with a low alternate long and two short dashes line to the fountain shown with a one-dot chain line and a solid line. In addition, since drawing is complicated in the figure, a fountain is shown with the cross-sectional side view.
In this embodiment, a plurality of communication holes 12 are provided for one discharge port 53, but it goes without saying that one may be used.

FIG. 13 is a cross-sectional plan view of another embodiment showing the relationship between the on-off valve 4 and the nozzle 5 of the fountain device according to the present invention. FIG. 13A is a perspective view showing only the nozzle 5, and FIG. FIG. 1 and FIG. 2C are perspective views showing only the on-off valve 4. In the figure, the same reference numerals as those shown in FIG. 1 and FIG.
In the above embodiment, the on-off valve 4 is a flat plate, but this embodiment shows a hemispherical, three-dimensional on-off valve 4.
As shown in the figure, the nozzle 5 is hemispherical as in the best mode, but the water passage hole 51, the connection hole 52, and the discharge port 53 are close to each other, and the nozzle 5 in FIG. The on-off valve 4 is assembled so as to be covered. The on-off valve 4 of the present embodiment is hollow and is formed in a radial shape like an umbrella bone and has a bowl shape. Although not shown in the bottom, the planetary gear 3b of the planetary gear or a prime mover such as a pulse motor or a stepping motor is used. It is connected so that rotation is possible.
In the case of the present embodiment, the discharge ports 53 are formed in four spirals as shown in FIG. B, and when the on-off valves 4 are rotated as indicated by arrows in FIG. Is always open, but the outlets 53a, 53b, 53c,..., 53g are closed in this order. Moreover, since the on-off valve 4 is formed radially, any of the discharge ports 53a to 53g is opened and closed, and an unexpectedly complex fountain is formed. In addition, since the discharge ports 53 are formed in four rows in a spiral shape, as the on-off valve 4 rotates, the spray water moves from the four discharge ports 53 so as to gradually spread outward. You will be able to appreciate a more complex landscape.
In the present embodiment, the on-off valve 4 and the nozzle 5 are illustrated with substantially the same radius of curvature, so that the water passage hole 51 and the discharge port 53 are close to each other and the connection hole 52 does not appear. If the curvature radius of the valve 4 is increased, the connection hole 52 can be formed, and stable water can be ejected.
Further, in this embodiment, if the on-off valve 4 is formed in a spiral shape along the inner wall of the nozzle 5, a fountain with more changes is formed.

FIG. 14 is a detailed sectional view of the shape of the discharge port 53 of the nozzle 5. As shown in the figure, the discharge port 53 of the nozzle 5 has a diameter that is gradually smaller than that of the water passage hole 51 and is formed in a straight line at the discharge port 53 portion. The length L1 of the straight portion of the discharge port 53 is preferably about the same as the diameter of the discharge port 53. Moreover, about length L2 from the inlet of the water flow hole 51 to a linear part, it is desirable to reduce a diameter gradually and to form in cone shape. A so-called convergent nozzle whose diameter decreases as the running water progresses is desirable.
Needless to say, the sectional shape of the nozzle 5 can be applied to all the embodiments including the best mode described above.

The embodiment described above is a very small part, and the combinations of the position / shape of the discharge port 53 of the nozzle 5 and the position / shape of the communication hole 12 of the on-off valve 4 are infinite. As described in the above-described embodiment, a plurality of on-off valves 4 can be considered for the shape of the discharge port 53 of a kind of nozzle 5, and the on-off valves 4 for shutting off and supplying water flowing through these water conduits and the flowing water By exchanging the nozzle 5 for jetting, the shape, jetting time, movement, and the like of the jet water can be changed, and a more beautiful fountain can be produced and different behavior of the fountain can be obtained. Conversely, the discharge ports 53 of the plurality of nozzles 5 are conceivable with respect to the shape of a kind of on-off valve 4, and the shape, time and movement of the water jet can be changed in the same manner. Since the on-off valve 4 and the nozzle 5 are attached by screwing, the attachment and replacement are easy. In addition, if the turning direction of the on-off valve is reversed, a completely different movement of the squirt water can be generated.
Further, the ring-shaped nozzle 5 shown in the sixth embodiment is not limited to a circular shape, and may be a polygonal shape such as a triangle, a quadrangle, or a pentagon. By making such a polygonal shape, The fountain which breaks the conventional common sense can be provided. Further, if the discharge port 53 is shaped according to various events such as a ceremonial occasion such as a heart shape, a star shape, or a fish shape, a more suitable effect can be achieved.
Similarly, in the above embodiment, the nozzle 5 has been described as hemispherical, but the nozzle 5 may be formed of a cylindrical column as in Reference Example 1 or Reference Example 2, or a polygonal column such as a triangular column or a quadrangular column. In addition, by providing an inclination to the discharge port 53 of such a polygonal column nozzle 5, a fountain that expands greatly can be provided.

This combination may be any as long as it is the same as the idea according to the present invention, and is not limited to the above-described embodiment. It will be explained that various fountain shapes can be obtained by exchanging the combination of the nozzles 5 having different positions and shapes of the discharge ports 53 and the on-off valves 4 having different positions and shapes of the communication holes 12 as described above. It is not to be over.
And, the nozzle itself is fixed by screwing into the casing of the fountain device, and since the speed reducer and the like are housed inside these, it can be surely liquid-tight and from the gap or sliding part. Water leakage can be prevented, the nozzle can be easily attached and detached, and disassembly and cleaning such as scale removal can be easily performed.
In addition, although the said storage part 15 demonstrated only about Example 8, it cannot be overemphasized that it can apply also to another above-described Example.

1 is an exploded sectional side view showing the best mode of a fountain device according to the present invention. It is a section plane explanatory view in the XX line in Drawing 1 of the fountain device by the present invention. 1A is a schematic side view showing a state of a fountain by a fountain apparatus according to the present invention. FIG. 1A shows a fountain in a state where the communication hole and the water passage hole coincide with each other, and FIG. It shows a fountain in a closed state. 1 is an exploded sectional side view showing a first embodiment of a fountain device according to the present invention. The reference example 1 of the fountain apparatus by this invention is shown, The figure A is the principal part cross-sectional side view, The figure B is a top view which shows only the principal part. The reference example 2 of the fountain device according to the present invention is shown, in which FIG. A is an exploded sectional side view, and FIG. It is a section plane explanatory view showing the 2nd example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 3rd example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 4th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 5th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is a section plane explanatory view showing the 6th example which shows only an on-off valve and a nozzle of a fountain device by the present invention. It is side explanatory drawing of FIG. 11 of the fountain apparatus by this invention. FIG. 7 is a side explanatory view showing a seventh embodiment of the on-off valve and nozzle of the fountain device according to the present invention, in which FIG. A is a perspective view showing only the nozzle, FIG. FIG. It is detailed sectional drawing which shows the shape of the discharge outlet of the nozzle by this invention.

DESCRIPTION OF SYMBOLS 1 Fountain device 2 Drive mechanism 3 Reduction gear 4 On-off valve 5 Nozzle 51 Water flow hole 52 Connection hole 53 Discharge port 6 Casing 7 Flowing water 8 Water guide pipe 11 Fastening tool 12 Communication hole 15 Storage part 16 Bypass flow path

Claims (6)

  A fountain device designed to change the squirting water from a nozzle, wherein a discharge port is provided on the surface, a water passage hole is provided on the bottom surface, and the discharge port and the water passage hole communicate with each other through a connecting hole. In addition, a nozzle configured to eject flowing water from the discharge port and a rotating water flow pipe are rotatably installed, and a plurality of communication holes facing the water flow hole are provided to block the flowing water flowing through the water flow pipe. -It is composed of an opening / closing valve for supplying water and a drive mechanism for rotating the opening / closing valve, and is provided so as to be slidable by contacting the opening / closing valve and the bottom surface of the nozzle, and by rotating the opening / closing valve The water fountain device is characterized in that when the water flow hole formed in the bottom surface of the nozzle and the communication hole opened in the on-off valve coincide with each other, the flowing water is ejected from the discharge port of the nozzle.   An impeller in which the drive mechanism is rotatably installed in a water conduit, and is a prime mover in which the kinetic energy of running water is converted into rotational energy by the impeller, and the on / off valve is rotated by the prime mover. The fountain device according to claim 1, wherein   2. The fountain device according to claim 1, wherein the drive mechanism is a prime mover such as a pulse motor or a stepping motor, and the prime mover rotates the on-off valve.   The fountain device according to any one of claims 1 to 3, wherein a storage portion is formed in the middle of the connecting hole that connects the water passage hole and the discharge port.   By screwing the nozzle for ejecting the flowing water flowing through the water conduit into the casing, the nozzle and the on-off valve for shutting off / supplying the flowing water can be attached and detached, and the on-off valve and the nozzle can be exchanged. The fountain device according to any one of claims 1 to 4, wherein   The fountain device according to any one of claims 3 to 5, wherein the impeller is installed in a bypass passage formed by branching a water conduit.