KR200444039Y1 - A water-rocket launcher for study - Google Patents

Abstract

The present invention is a playground equipment that students can use the principles of science to play with interest, and it is for learning to launch water rockets by filling water and air inside water rockets made of synthetic resin beverage bottles (PET bottles). Water rocket launching device, stable triangular bridge structure, launch pad and launching device for easy and stable mounting and fastening of water rocket are formed on top of the pedestal, respectively, with angle meter, level gauge, direction adjusting device and pumping device The simple and convenient fastening structure can be attached and detached and assembled, and it is fixed to the ground to support the water rocket stably and without leakage. Convenient and robust water rocket installation, uniform supply of compressed air, convenient and accurate firing angle Improved portability and adjustment compared to the water rocket launcher of the prior art by adjusting direction and precise aiming Gender, user convenience and safety, the accuracy of such usability relates to the significantly improved learning water rocket launchers.

Water rocket launch device for learning, fastening structure, folding, portability, assembly, usability, aiming, firing angle control, firing direction adjustment, horizontal adjustment, air compression lever, locking pin, locking pin

Description

A water-rocket launcher for study}

1 is a perspective view showing the overall configuration of the present invention

2 is an enlarged view of a main part according to an embodiment of the present invention;

    2a is a configuration diagram of the launch device of the present invention

    2b is a block diagram of the height adjustment device of the pedestal joint of the present invention

 3 is an exemplary view showing a water rocket launching platform operating state of the present invention

           3a is an exemplary state before use

           3b is an example of the water rocket launch state

       4 is a cross-sectional configuration of the coupling state of the water rocket and the nozzle as the main part of the present invention

       5 is a view showing an example of the main portion fastening and locking configuration of the present invention

       6 is a view showing an exemplary air compression configuration of the present invention

       7 is an enlarged cross-sectional configuration of main parts according to an embodiment of the present invention

<Explanation of symbols for main parts of drawing>

100: water rocket launch device

110: emitting device 111: fixing table

112: swivel 113: fixing ring

114: tightening bolt 115: fixed lever

116: goniometer 117: indicator hand

120: air compression lever 121: air compression piece

122: air inlet 123: compression spring

124: spray pipe 125: spray pipe spring

126: sealing

130: level 131: scale

132: rotating body 133: support

140: negative 141: guide rail

150: launch handle 151: connecting line

152: coil spring 153: working piece

154: latching pin 155: operating plate

160: firing nozzle 161: outer cylinder

162: outer cylinder spring 163: inner cylinder

164: inner body 165: body spring

166: locking pin

200: stand 210: launcher

211: Hose 212: Air control lever

214: pressure tank 215: pressure gauge

220: joint leg 221: horizontal adjustment bolt

222: support 300: foot pump

310: springboard 311: spring

312: substrate 400: water rocket

410: snout

The present invention relates to a water rocket launching device for learning, and more specifically, it is a playground equipment that students can use interestingly by incorporating the principles of science into play, and the water inside the water rocket made of a plastic beverage bottle (PET bottle). It is a learning water rocket launching device for launching a water rocket by charging air and air, and is fixed to the ground by forming a water rocket launching device with a detachable and prefabricated structure of a simple and convenient fastening structure by comprehensively improving the prior invention disclosed in the related art. It supports stable water rocket without leaking and provides convenient and robust water rocket installation, uniform supply of compressed air, convenient and accurate control of angle and direction of up, down, left and right, and precise aiming, compared to the water rocket launch pad of the prior art. Significantly improved user convenience, safety, and accuracy such as improved portability, assembly, and usability Corrupt relates to learning water rocket launchers.

Recycle the synthetic beverage waste drink bottle, etc., and install the water rocket made of synthetic resin bottle on the water rocket launching device, and then pressurized air inside the water rocket to raise the pressure inside the water rocket so that it is automatically fired at the set pressure. The water rocket launching device is almost similar to the principle of a real rocket that emits a gas and emits attention. Therefore, the interest of many teachers and students is becoming common, and the water rocket is widely used. .

Conventional learning water rocket launching device is supported by a variety of detachable fastening method, such as screw fastening a well-shaped water rocket coupled to the warhead, a plurality of wings at the bottom of the container bottle body made by recycling synthetic resin waste beverage bottles, etc. In addition, the launching device consists of a launching pad that flies with the propulsion force that spouts water by the action of compressed air, and a base that stably supports the launching device on the floor. The angle and direction adjusting device, the air injection device such as a foot pump, a remote launch handle, a water rocket guide rail and the like are organically and integrally formed.

However, the conventional learning water rocket launching device is complicated and uncomfortable to use for young students who are inexperienced and difficult to operate. Development of a water rocket launcher capable of launching was required

Prior art of the learning rocket launch pad for solving the above problems of the prior art,

Recycled water rocket recycled water bottle, triangular leg-shaped pedestal for holding the water rocket fixed to the ground, and horizontally with the launch nozzle that can accommodate the water rocket and mount it accurately and safely. A water rocket launching device composed of a launcher that can be switched is configured to operate with a propulsive force to eject water by the action of compressed air while the water rocket is guided to the launch guide rail by the operation of the launch handle at a predetermined set pressure.

It is possible to achieve straight alignment by precisely adjusting the firing direction and the firing angle of the top, bottom, left and right, and the user convenience and safety are greatly improved compared to the water rocket launch pad of the prior art, but the device is also complicated for the inexperienced young students. In addition, the inconvenience of carrying and of course, difficult operation, there is a problem that can not be accurately fired or a safety accident may occur.

Applicant has completed the present invention as a result of trying to implement a water rocket launching device for learning significantly improved compared to the prior art stability, accuracy, operability by solving the above problems of the prior art comprehensively.

The present invention is devised to solve the above problems,

A stable triangular bridge structure, a launch pad and a launch device for easy and stable mounting and fastening of water rockets are formed on the top of the support, and a simple and convenient fastening structure with an angle meter, a level gauge, a direction control device, and a pump device added thereto. The water rocket launching device is formed by the detachable and prefabricated structure of the product, so that it is fixed to the ground and stably supports the water rocket without leaking. The purpose of this invention is to provide a learning water rocket launching device which greatly improves user convenience, safety, and accuracy such as improved portability, assemblability, and usability compared to the water rocket launching device of the prior art by enabling adjustment of the degree and direction and precise aiming. .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, the configuration of the present invention for achieving the above object will be described in detail with reference to the accompanying drawings, and detailed descriptions of well-known components that may obscure the subject matter of the present invention will be omitted.

The present invention is a pedestal 200 having a water rocket 400 recycled synthetic resin waste beverage bottle and a launch pad 210 for supporting the water rocket 400 fixed to the ground, the disc 140 for receiving and seating the water rocket It is composed of a firing nozzle 160 and a firing handle 150 mounted on the water rocket 400 at an inclined direction to the guide rail 141 by the operation of the firing knob 150 at a set pressure. As a water rocket launcher that operates with the propulsion to discharge water,

Hemispherical pressure tank 214 equipped with a cone-shaped support 222 at the bottom and a pressure gauge 215 in the middle with the upper launch pad 210 as a vertex, and the horizontal adjustment bolt 221 mounted at the semicircular coupling part. An inclined pedestal 200 of a triangular shape that is spaced apart at regular intervals is formed by three pairs of two-segment link function joints 220, in which the height and width are adjusted by operation,

As the fixing stand 111 fixedly mounted to the launch pad 210 in the upper part of the pedestal 200, the rotating table 112 mounted on the other side of the disc 140 on which the launch nozzle 160 is mounted on one side is folded in a shaft. In the learning water rocket launch device is coupled and equipped with a fixed lever 115 for adjusting the firing direction and angle of the water rocket 400,

An air compression lever 120 for opening and closing the air inlet 122 by the air compression piece 121 is mounted on the rear surface of the disc 140, and a firing nozzle 160 mounted on the front surface symmetrical to the outer cylinder ( 161, the inner cylinder 163 having a water rocket access hole inside and the body spring 165 is mounted on the outer circumference to form a double-cylindrical structure in which the body 164 operating forward and backward overlaps concentrically,

 When the body 164 elastically receives the water rocket 400 inserted into the water rocket access hole of the inner cylinder 163, the locking pin 166 between the guide groove 167 on the side wall at a position corresponding to the water rocket access hole. ), The water rocket spout 410 is elastically fastened and closes the air inlet 122 using the air compression lever 120 to complete the installation of the water rocket 400 and is mounted on the launch handle 150. When the operation piece 153 mounted on the outer surface of the outer cylinder 161 is pulled up and down by pulling the connecting line 151 to pull the outer cylinder 161, the locking pin 154 locks the locking force of the water rocket spout 410. It is configured to fire the water rocket 400 by canceling.

The present invention improves the fastening structure in stably mounting the water rocket on the pedestal fixed to the ground while the water rocket is seated on the launch guide rail and fixedly mounting the water rocket to the launch nozzle. It is a water rocket launching device which allows the air to be released at a desired pressure through the pressure gauge of the pressure tank to be fired by operating the firing knob at the set pressure

A stable triangular bridge structure, a launch pad and a launch device for easy and stable mounting and fastening of water rockets are formed on the top of the support, and a simple and convenient fastening structure with an angle meter, a level gauge, a direction control device, and a pump device added thereto. The water rocket launching device is formed by the detachable and prefabricated structure of the product, so that it is fixed to the ground and stably supports the water rocket without leaking. It is characterized by the ability to adjust the direction and precise aiming.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention is roughly divided into the water rocket 400 recycled synthetic resin waste drink bottle and the pedestal for holding the water rocket to the ground (200), the water rocket launching device (100) for receiving and launching the water rocket, foot pump It consists of 300 and acts on the same principle as a real rocket by the propulsion force to spray water by the action of compressed air.

The water rocket 400 is a conventional water rocket, which is a known water rocket in which warheads and wings are coupled to upper and lower portions of the synthetic resin waste drink container, and a screw groove is formed in the rear spout 410. Will be used again.

In addition, the government of the triangular leg-shaped pedestal 200, which serves as the holding post of the water rocket launching device 100 of the present invention, is provided with a flat launch pad 210 so that the frame frame of the triangular pillar stably supports the water rocket 400. In addition to the launch nozzle 160, peripheral devices for adjusting the firing angle and direction, horizontal, pressure in addition to the three-dimensionally coupled to constitute a launch pad device.

The triangular leg-shaped pedestal 200 is a two-legged link function joint leg 220, the height of which is adjusted by opening a predetermined interval by a simple operation by the tightening method horizontal adjustment bolt 221 mounted on the semi-circular coupling portion 3 The dogs are formed in a pair so that they are horizontal and at the same time, they can be easily and safely folded or unfolded. In particular, the support legs 222 of the joint legs are conical and closely contact with the bottom of the bottom to maintain overall stability and are convenient to carry and store. And, the horizontal state is to check the state that the center of the scale droplet display of the horizontal system 130.

A lower hemispherical pressure tank 214 having a pressure gauge 215 is mounted at the bottom of the pedestal 200 to be connected to a hose 211 having an air control lever 212 interposed therebetween. It is selectively connected to a known foot pump 300 having a footrest 310 elastically installed with a compression spring 311 on the) and injecting air at a desired pressure while checking the value through the pressure gauge 215. .

In addition, the hose 211 is connected to the air inlet 122 through the hollow donut-shaped fixing ring 113 of the launch pad 210 located in the government of the pedestal 200, the air inlet 122 is an angle described later The air inlet 122 is closed by pressing the sealing piece 126 by the action of the air pressing piece 121 which is connected to the relatively short air compression lever 120 compared to the fixing lever 115 and interlocked with the connecting rod that rotates. And to complete the installation of the water rocket by blocking the inflow of additional air to the water rocket 400, the pressure of the air compression piece 121 is formed on the extension line of the air inlet 122 through the body 164 A spring force is transmitted by acting upward on the pipe-shaped injection pipe 124 as the compressed air access passage.

And the pedestal 200, the upper launch pad 210 is mounted on the holding rod 111 vertically, the holding rod 111 is mounted on the back of the disc 140 to accommodate the firing nozzle 160 with a fastening bolt 114 is mounted The 112 is axially coupled to the rotatable to expand or fold the disc 140 is formed to be foldable for convenient carrying and storage.

In addition, the indicator needle 117 and the angle fixing lever 115 are attached to the coupling shaft of the fixing member 111 and the rotating member 112 so as to interlock with the inclination angle of the rotation operation of the rotating member 112. A goniometer 116 is provided on the scale of which the firing angle is displayed, and the steering angle can be adjusted while visually checking.

In addition, the rear surface of the disc 140, the antenna scale 131 is mounted on the rotating body 132 axially coupled to the support 133, pull out the antenna scale 131 by the desired height and raise the angle fixing lever 115 Adjust the direction by aiming the target (not shown) while moving up, down, left, and right, and then aiming the target and the vertex of the water rocket 400 and the end of the antenna scale 131 in a straight line to aim and increase the accuracy of the hit. .

In this way, the auxiliary device of the firing direction and the angle adjusting means such as the level gauge 130, the goniometer 116 and the scale 131 is additionally mounted on the back of the disc 140 supporting the firing nozzle 160, thereby facilitating the launch of the water rocket. Let's do it.

In addition, the front surface of the disc 140 is equipped with a firing nozzle 160 for inserting and firing the water rocket 400, the firing nozzle 160 is the outer cylinder 161 inside the body spring 165 to the outer periphery A body 164 mounted and operated back and forth and an inner cylinder 163 having a water rocket access hole on the body are formed in a double cylindrical cylinder structure overlapping concentrically.

As described above, the inner cylinder 163 of the firing nozzle 160 has a cylindrical shape, and a water rocket access hole is formed to receive the water rocket 400 therein, and a body spring 165 wound around the bottom thereof is formed therein. 164 is elastically installed to enable the front and back haunting operation.

Three stopper function locking pins 166 in a triangular shape on the side wall of the inner cylinder 163 is elastically mounted so as to stand out between the guide grooves 167 and the inner cylinder by the external force pushed by the water rocket 400. When it is inserted into the water rocket access hole 168 of the 163, the spring 165 of the body 164 is contracted downward, and at the same time, the locking pin 166 is released and operated so that the locking ring formed on the locking pin is formed in the water rocket 400. The snout 410 is caught in a jaw and fastened firmly.

In addition, the outer circumference of the inner cylinder 163 is formed so that the outer cylinder 161 overlaps concentrically, the bottom of the outer cylinder 161 is formed so that the outer cylinder spring 162 is mounted to operate up and down, the outer cylinder ( The outer circumference of the 161 is a spring 152 is mounted at the end of the connecting line 151, the operating piece 153 is elastically installed to be interlocked with the firing handle, the outer cylinder 161 is up and down by the pulling action of the firing handle 150 As a configuration to operate, by pulling the firing handle 150, the engaging pin 154 mounted through the outer cylinder 161 and the inner cylinder 163 one side wall is separated from the inner cylinder and the outer cylinder so that the water rocket 400 is launched. Will be.

In addition, a pair of guide rails 141 having a plurality of pipes inserted in parallel are mounted on the front surface of the disc 140 on which the firing nozzle 160 is mounted so that the scale, the scale, and the target are aligned in a straight line. To facilitate the filling of water at the same time.

Referring to the method and operation of the present invention made as described above are as follows.

First, the water rocket launching device for learning according to the present invention is unfolded at an appropriate place, and then stably installed by adjusting the width and height using the horizontal adjusting bolt 221 and the horizontal gauge 130 by extending the joint legs 220 of the pedestal 200. While holding the water rocket 400 in hand, while rotating the swivel 112 on the base 200 while releasing the locking lever 115 on the right side, the launch guide rail 141 mounted on the disc 140 is folded down. Lower (to below horizontal) the water rocket 400 filled with the appropriate amount of water is placed in the guide rail 141 while preventing water from leaking, and the angle lock lever 115 is operated up, down, left, and right to adjust the angle and direction. After setting and then inserting the water rocket 400 into the water rocket access hole 168 of the firing nozzle 160 while pulling the connecting line 151 with the launch handle 150, the water rocket by the external force pushed by the user The snout 410 is mounted on the firing nozzle 160, the inner cylinder 141 Lightly push in the pin 166 to rewind the lock pin, and then the water rocket spout 310 is locked by the lock pin again, and at the same time, the body spring 165 of the outer body of the body 164 located below the inner cylinder 163 contracts. The water rocket 400 is firmly mounted to the firing nozzle 160.

In addition, when the water rocket is mounted to the firing nozzle as described above, and then lifts the air compression lever 120 upward, the air compression piece 121 connected to the air compression lever 120 presses the sealing piece 126 and the air inlet ( 122 is closed and the mounting of the water rocket 400 is completed by blocking the introduction of additional air into the water rocket 400.

Of course, aiming the target with the angle fixing lever 115 to set the direction, the vertex of the target and the water rocket scale, aiming so that the scale is in a straight line, using the foot pump 300 to force injection of the compressed air into the water rocket 400 Preliminary work is needed to maintain the proper pressure over distance.

When the water rocket is operated to release the lock of the water rocket spout 410 by operating the launch handle 150, the water rocket is airborne by the explosive propulsion force as the water is injected backward by the compressed air charged in the water rocket 400. This process is repeated when the water rocket is mounted and used again.

The present invention described above is not limited to the above-described embodiment, since various substitutions and changes can be made by those skilled in the art without departing from the technical spirit of the present invention. .

In this way, the present invention has a stable triangular bridge structure, a launch pad and a launch device for easily and stably mounting and fastening the water rocket on the upper portion of the pedestal, respectively, and an angle meter, a level gauge, a direction control device, and a pump device are added thereto. The simple and convenient fastening structure can be detached and assembled, and the elastic force acts comprehensively with one simple operation to pull the launching handle, so that the water rocket can be loaded and fired efficiently and fixed on the ground while supporting the water rocket stably. Improved portability and assembly compared to prior art water rocket launchers by enabling convenient and robust water rocket installation, uniform supply of compressed air, convenient and accurate adjustment of the launch angle and direction, and precise aiming without leakage. Significantly improved user convenience, safety, and accuracy of sex, usability, etc. There is.

Claims (2)

A semi-spherical pressure tank 214 equipped with a cone-shaped support 222 at the bottom and a pressure gauge 215 in the middle with the water rocket 400 and the launch pad 210 at the top is mounted on the semi-circular coupling portion 223. A horizontally inclined pedestal 200 of a pair of two-segment link function joint legs 220, the horizontal height and width of which is adjusted by the operation of the horizontal adjustment bolt 221, a predetermined interval, the upper portion of the pedestal 200 As the launching pad 210 of the fixed base 111, the rotating table 112 for receiving the disc 140 is folded axially and the fixed lever 115 for adjusting the firing direction and angle of the water rocket 400 is mounted, The launch nozzle 160 for receiving and seating the rocket, and the locking pin 154 to lock or release the water rocket spout 410 to the launch handle 150 for launching the water rocket 400 is composed of the launch handle 150 In the state that the water rocket 400 is inclined to the guide rail 141 by the operation, the locking pin 154 is the water rocket To terminate the locking force of the snout 410 in the water launch device for launching the rocket water 400, The firing nozzle 160 is a double in which the inner cylinder 163 having a water rocket access hole inside the outer cylinder 161 and the body spring 165 are mounted on the outer circumference so that the body 164 operating forward and backward overlaps concentrically. Formed into a cylindrical structure, A bottom of the outer cylinder 161 of the firing nozzle 160 is formed so that the outer cylinder spring 162 is mounted so that it can operate up and down, the outer circumference of the outer cylinder 162 is a spring 152 at the end of the connecting line 151 Is equipped with an operating piece 153 is elastically installed to interlock with the launch handle is a learning water rocket, characterized in that the outer cylinder 161 is operated up and down by the pulling action of the launch handle 150 to fire the water rocket structure Launcher delete

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