JP3065890U - Ship toy - Google Patents

Abstract

(57) [Summary] [Purpose] Ship toys can be made using plastic bottle waste in a simple manner and used as educational materials as well as toys. [Structure] A heat exchanger is made by spirally winding an aluminum pipe 4 to 6 times to form a spring. The upper part of the heat exchanger is a water discharge pipe, and the lower part is a water absorption pipe. The water discharge pipe is bent downward after providing a parallel part. On the other hand, the water intake pipe is bent upward, and is held at a height approximately equal to or less than the height of the water discharge pipe, and then bent downward. This heat exchanger system is placed on a hull made by devising a plastic bottle to be discarded, and when the heat exchanger part is heated, heated water spouts from the water discharge pipe and the hull is propelled by the reaction. is there. On the other hand, water suitable for the jetted water is absorbed from the water suction pipe. In this way, the ship toy is continuously propelled.

Description

[Detailed description of the invention]

[0001]

[Industrial applications]

 The present invention is a ship toy having a heat exchanger for heating a helically wound aluminum pipe with water filled from below, and can be easily made using waste such as plastic bottles. It is also suitable as a teaching material for quantitatively experimenting with the conversion of thermal energy to kinetic energy.

[0002]

[Prior art]

 Conventionally, ship toys using steam (a pom-pom ship) are made of brass brazed, have a vibrating plate such as a brass thin plate, and automatically vibrate and discharge water by vibrating (the sound of pom-pom).

[0003]

[Problems to be solved by the invention]

 As described above, conventional ship toys require brazing with silver brazing or the like, and children cannot make them easily. In addition, since it was made of brass, the manufacturing cost was high and it was expensive for children.

[0004]

[Means to solve the problem]

 The heat exchange system consists of a heat exchanger in which an aluminum pipe is wound in a spiral shape, and a suction / drainage system in which the lower pipe is raised to the height of the upper pipe and the ends of the upper and lower pipes are bent downward. Since the helical aluminum pipe is heated, water in the pipe is heated by the heating of the helical aluminum pipe and the natural circulation action by nucleate boiling causes the water heated from the tip of the upper pipe of the helical pipe. Gains thrust. On the other hand, the lower pipe absorbs water that is compatible with the jetted water by natural circulation, so that the ship can be propelled continuously without the need to artificially replenish water. In addition, since aluminum pipes are used, they can be easily bent, making it possible for children and adults to work happily.

[0005] Next, since a crank mechanism linked to the suction / drainage device is provided, it can be provided to toys such as amphibious vehicles, fish, automobiles, animals such as frogs, and insects. In this case, if the helical aluminum pipe is heated strongly, a state of so-called film boiling occurs in the pipe, and a mixture of steam and water is violently ejected from the tip of the upper pipe. If the upper and lower pipes are slidably supported in order to further increase the suction and discharge forces from the upper and lower pipes, the entire pipe system will violently reciprocate back and forth. The reciprocating motion is used to convert the torque into rotational force by a crank mechanism.

[0006]

【Example】

 Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of a boat toy according to a first embodiment, FIG. 2 is a side sectional view, FIGS. 3 to 6 are partially enlarged views, and FIG. 7 is a partially manufactured view. 1 to 7, 1 is a toy boat, 2 is a hull, and a PET bottle to be discarded is used. 2a is a cap portion of the PET bottle and represents a bow. 2b is a stern, 2c is a wave hood, 2d is a center part of the hull, 3 is a boiler, 3a is a heat exchanger, 3a1 is an upper end of the heat exchanger 3a, 3a2 is a lower end of the heat exchanger 3a, 3b 3b1 is one end of the water discharge pipe 3b, 3b2 is the other end of the water discharge pipe 3b, 3c is the water absorption pipe, 3c1 is one end of the water absorption pipe 3c, 3c2 is the other end of the water absorption pipe 3c, 4 is the rudder, and 5 is the candle. The reference numeral 6 denotes a saucer for the heating tool 5 made of aluminum foil or the like, 7 denotes a water surface, and 8 denotes a cylindrical rod used for making the heat exchanger 3a.

Next, the points of the present invention will be described in detail based on a first embodiment. The boiler 3 includes a heat exchanger 3a, a water discharge pipe 3b, and a water suction pipe 3c. The heat exchanger 3a has a spring shape in which an aluminum pipe is spirally wound four to six times vertically. One end 3b1 of the water discharge pipe 3b communicates with the upper end 3a1 of the heat exchanger 3a, and the other end (open end) 3b2 is bent downward and provided with a parallel portion 3b3 having a predetermined length. ing. On the other hand, one end 3c1 of the water absorption pipe 3c communicates with the lower end 3a2 of the heat exchanger 3a, and the other end (open end) 3c2 is almost the same height as or less than the height of the parallel part 3b3 of the water discharge pipe 3b. After being raised up, it has an optional water reservoir parallel portion 3c3, and is further bent downward to open. It is preferable that the heat exchanger 3a, the water discharge pipe 3b, and the water absorption pipe 3c are continuously formed by one aluminum pipe. The heat exchanger 3a is placed at the center 2d of the hull 2 and the open end 3b2 of the water discharge pipe 3b and the open end 3c2 of the water absorption pipe 3c penetrate the wall of the stern 2c so as to be outside the hull 2. I have. A heating tool 5 such as a candle is provided below the heat exchanger 3a. The heating tool 5 is a pan 6 made of aluminum foil or the like so that the heat is not transmitted to the hull 2 and melted. It is placed on.

The first embodiment is configured as described above, and its operation will be described below. First, the boiler 3 is filled with water using a spoiler, an intake device, and the like, and the hull 2 is floated on the water surface 7. At this time, the opening end 3b2 of the water discharge pipe 3b and the opening end 3c2 of the water absorption pipe 3c are provided below the water surface 7. Next, the candle of the heating tool 5 is lit to heat the heat exchanger 3a. The water in the heat exchanger 3a is brought into a nucleate boiling state by the heat of the candle, and the heated water is ejected from the open end 3b2 of the water discharge pipe 3b by natural circulation. This reaction causes the hull 2 to move forward. Further, since the water in the heat exchanger 3a evaporates and blows out from the open end 3b2 of the water discharge pipe 3b, the pressure in the heat exchanger 3a decreases, and predetermined water is absorbed from the open end 3c2 of the water suction pipe 3c. You. Further, the absorbed water is heated by the heat exchanger 3a, and the heated water is ejected from the open end 3b2 of the water discharge pipe 3b, so that the hull 2 moves forward. In this way, the ship toy 1 made of PET bottles is automatically and continuously propelled without refilling water.

FIG. 8 shows a second embodiment of the present invention in which the open end 31b2 of the water discharge pipe 31b and the open end 31c2 of the water suction pipe 31c are further bent to form parallel portions 31b4, 31c4. By providing the parallel portions 31b4 and 31c4, the force of the water discharged from the water discharge pipe 31b becomes the reaction force of the propulsion force of the hull, and the propulsion efficiency of the hull further increases. In this case, the parallel part 31b4 may be provided only in the water discharge pipe 31b.

FIG. 9 is a partial explanatory view of a third embodiment of the present invention, in which cylindrical pipes 92b and 92c are fixedly covered on the front side of the parallel portions 32b3 and 32c3 of the water discharge pipe 32b and the water suction pipe 32c, and the cylindrical pipe is provided. One ends of the shafts 102b and 102c are fixed to the outside of the shafts 92b and 92c, and the other ends of the coaxial shafts 102b and 102c pass through long grooves 112b and 112c formed in the center part 22d of the hull. In such a configuration, when the heat exchanger 32a is strongly heated, a state of so-called film boiling occurs in the heat exchanger 32a, and a mixture of steam and water is vigorously ejected from the distal end of the water discharge pipe 32b. As described above, since the suction and discharge forces from the water discharge pipe 32b and the water suction pipe 32c are further increased, the entire pipe system violently reciprocates back and forth. A spring or the like may be attached to the other end of each of the shafts 102b and 102c so that the shafts 102b and 102c can be moved forward while jumping.

FIG. 10 and FIG. 11 show a mechanism in which a pipe system slides. FIG. 10 shows a state in which the water in the heat exchanger 32a is in a film boiling state when the heat exchanger 32a is being heated, and vigorously blows out from the water discharge pipe 32b, so that the pipe system moves forward. The heat exchanger 32a moves forward, and the water in the heat exchanger 32a, which is far from the heating source, is cooled and returns to water to be in a negative pressure state, sucks water from the water absorption pipe 32c, and the pipe system is returned to its original position by the reaction. Move backward.

FIG. 12 is a partial explanatory view of a fourth embodiment of the present invention, in which rotating bodies 133b and 133c are attached to the other ends of the shafts 103b and 103c via clamp mechanisms 123b and 123c. In such a configuration, if the heat exchanger 33a is strongly heated, the pipe system reciprocates strongly for the above-described reason. This reciprocating force is transmitted to the crank mechanisms 123b and 123c, whereby the rotating bodies 133b and 133c rotate. In this case, if water is constantly supplied from a water supply source (not shown) to the water suction pipe 33c, the water can be moved on land, and an amphibious toy can be made. In addition, the present invention can be used for toy frogs, toy fish, and the like using the reciprocating motion of the water discharge pipes 32b: 33b and the water suction pipes 32c: 33c.

[0013]

[Effect of the invention]

 According to the present invention, a ship toy can be made with a simple device using a plastic bottle for disposal, and the following effects can be obtained. 1) Wastes such as plastic bottles can be used. 2) Work can be done easily, and it can be used as a teaching material to convert energy, that is, heat energy to kinetic energy. 3) It can be used as a teaching tool for free research and as an experimental tool for the next research. Relationship between the diameter of the aluminum pipe and the speed of the ship. Relationship between the position of the candle flame and the amount of water discharged (speed). The relationship between the angle of the water discharge end of the aluminum pipe and the speed of the ship. 4) Adults and children can learn the principle of heat exchange together and have fun. 5) Various toys can be easily and interestingly made using the reciprocating motion of the water discharge pipe and the water suction pipe.

[Brief description of the drawings]

FIG. 1 is a perspective view of a ship toy according to a first embodiment of the present invention, FIG. 2 is a side sectional view thereof, FIGS. 3 to 6 are partially enlarged views thereof, FIG. 9 and 10 are partially enlarged views according to the second embodiment of the present invention, and FIG.
1 is a partially enlarged view according to a third embodiment of the present invention, and FIG. 12 is a partially enlarged view according to a fourth embodiment of the present invention.

[Description of sign]

2 ... hull, 3a, 31a, 32a, 33a ... heat exchanger, 3b, 31b, 32b: 33b ... water discharge pipe,
3c, 31c, 32c, 33c ... water absorption pipe, 5 ...
Heat source saucer

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[Procedure amendment]

[Submission date] May 7, 1999 (1999.5.7)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims for utility model registration

[Correction method] Change

[Correction contents]

[Utility model registration claims]

2. A suction mechanism according to claim 1 , wherein a sliding mechanism is attached to the suction / drainage device.
Ship toys. ────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] August 14, 1999 (1999.8.1)
4)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims for utility model registration

[Correction method] Change

[Correction contents]

[Utility model registration claims]

Claims (2)

[Utility model registration claims] 1. A heat exchanger in which an aluminum pipe is spirally wound, a lower pipe is lifted to a height substantially equal to the height of an upper pipe, and then a tip of the upper and lower pipes is bent downward. A vessel to house a heating source disposed below the heat exchanger. 2. The ship toy according to claim 1, wherein a sliding mechanism is attached to the suction / drainage device.