CN212700532U

CN212700532U - Water rocket launcher

Info

Publication number: CN212700532U
Application number: CN202021400731.2U
Authority: CN
Inventors: 戚建波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-16
Anticipated expiration: 2030-07-16

Abstract

A water rocket launcher belongs to water rocket parts and is provided with a safety device which is sleeved at the bottom of an inner sleeve and clamped with the bottom of the inner sleeve; the shell is provided with a shoulder, the elastic sheet on the inner wall of the shell is positioned above the shoulder, and the shell is sleeved outside the inner sleeve and the safety device; a locking device which is matched with the safety device is arranged between the safety device and the shell. The utility model has the advantages that: the safety device effectively prevents misoperation from being sent out by mistake, and the safety is improved; the connecting pipe is connected with the air nozzle through the air pipe, the length of the emitter is increased, the air nozzle is external, the installation is convenient, the use is convenient, water cannot leak when water is added, and the air tightness is good.

Description

Water rocket launcher

Technical Field

The utility model belongs to a water rocket spare part, in particular to water rocket transmitter.

Background

The water rocket is a toy designed by utilizing mass ratio and air pressure, is one of the famous cases in physics teaching, can cultivate interest of students in physics learning, and the physical principle contained in the water rocket is an important basis for understanding mechanics in physics. The water rocket is also called as a pneumatic water-spraying rocket and a water-propelling rocket. The power cabin, the arrow body, the arrow head, the empennage and the parachute are made of waste beverage bottles. When the device is manufactured, one third of water is filled, and the air is filled by an inflator to reach a certain pressure and then is emitted. The rocket model is characterized in that water is ejected downwards from a nozzle at the tail part of the rocket at a high speed by using the mass ratio of water to air (the density of the water is 771 times of that of the air), the water rocket rises quickly under the reaction, the water rocket flies in the air under the action of acceleration and inertia, has a flight track like a missile, finally reaches a certain height, and opens a parachute in the air to land slowly. The water rocket can enable students to intuitively know the launching, launching and recovering processes of missiles and carrier rockets, and the flying principle and different points of the missiles and the planes; the method is used for explaining Newton's first, second and third laws (inertia, energy conservation law, action and reaction), and understanding some basic knowledge of aerodynamics, flight mechanics and the like. The teaching aid is a popular science teaching aid which is lively, has high technological content and is deeply loved by teenagers to move hands and brains.

The bottle mouth of the bottle is tightly plugged by using a rubber plug or the bottle mouth of the bottle is tightly plugged by using a threaded nozzle, so that the bottle forms a closed space, gas is injected into the closed container, the air pressure of the air in the container is increased, when the maximum degree of the engagement between the rubber plug and the bottle mouth is exceeded, the bottle mouth is freely separated from the rubber plug, water in the rocket is sprayed backwards, and the reaction force is obtained to be ejected. Before launching the water rocket, air is filled to a certain pressure, because high pressure naturally flows to low pressure, when the nozzle is opened, air naturally flows to the nozzle, but because water is blocked in the front, water is pushed out of the rocket by air, and the rocket also obtains forward speed.

The launcher is the key part of water rocket, and the more popular launcher in China at present uses various plastics quick-operation joint repacking, has following defect:

1. a plurality of plastic buckles are uniformly distributed on the inner wall of an inner sleeve of the emitter and used for clamping the nozzle. The service life is long, and the buckle can wear and tear, and the nozzle takes place to drop with the transmitter easily, and sometimes the buckle still can fracture, and nozzle and transmitter can't be connected.

2. The modified emitter can emit when pressed down because of no safety device, and the nozzle can be ejected out by the pressure of inflation when the inflation is carried out, so that the danger of automatic emission can be generated.

3. The modified launcher bears the pressure difference because of no safety device, and a gap is generated between the launcher and the nozzle during inflation, so that the air tightness and the safety are poor.

4. Only one sealing ring is used for sealing the joint of the emitter and the valve core, once the sealing ring is not installed or aged, water leakage and air leakage are easy to occur, when the water is pushed back into the emitter by inflating pressure, the sealing ring is useless, water naturally leaks, flows out of the valve core, enters the inflator and damages the inflator.

5. The air tap is sealed with the inner sleeve through the rubber ring and then is screwed tightly by the screw and the nut to be fixed with the inner sleeve, and the assembly is complicated.

6. The air tap is short, which is inconvenient for connecting the inflator.

Disclosure of Invention

The utility model aims to overcome the defects and provide a water rocket launcher, the safety device of which effectively avoids the missending out of improper operation and increases the safety; the air cock is external, is connected with the connecting pipe through the trachea, has increased the length of transmitter, and the gas tightness is good.

The utility model aims at realizing through the following technical scheme: the utility model provides a water rocket launcher, it includes the base, fixes the interior sleeve pipe in the base top, and the solid device of card that interior sleeve pipe inner wall is fixed, suit are at the outer shell of interior sleeve pipe, the suit is located the spring between interior sleeve pipe and the shell outside the interior sleeve pipe and set up the air cock of installing the valve inside in base below and interior sleeve pipe intercommunication, be equipped with the shell fragment in the shell, the one end and the shell inner wall of shell fragment are fixed, and the protruding edge of turning up at interior sleeve pipe top is gone up in the other end top-mounting, its characterized: it also includes a safety device; the safety device is sleeved at the bottom of the inner sleeve and clamped with the bottom of the inner sleeve; the shell is provided with a shoulder, the elastic sheet on the inner wall of the shell is positioned above the shoulder, and the shell is sleeved outside the inner sleeve and the safety device; a locking device which is matched with the safety device is arranged between the safety device and the shell.

The locking device comprises an opening and a stop block which are matched with each other, the bottom edge of the shell is provided with the opening, and the outer side wall of the safety device is provided with the stop block which is matched with the opening for use.

An inner boss is arranged on the inner side of the safety device, and a spring is arranged between the inner boss of the safety device and the shoulder of the shell.

The clamping device comprises sliding balls, at least two holes are uniformly distributed in the side wall of the inner sleeve, and the sliding balls are installed in the holes.

The diameter of the ball is slightly larger than that of the hole.

The connecting pipe is arranged below the base and communicated with the inner sleeve, the connecting pipe is connected with the air faucet through the air pipe, and the valve inside is arranged in the air faucet.

The outside of shell is equipped with the preformed hole.

And a shielding device is arranged on the side edge of the hole.

The utility model has the advantages and beneficial effects that:

1. set up safety device, lock the back, even press down the transmitter, can not launch yet, just can launch after the unblock, effectively avoid the misoperation mistake to shoot, increased the security.

2. The safety device is arranged, after the gas is pumped, the nozzle cannot be ejected out by pressure, no gap exists between the emitter and the nozzle, and the gas tightness and the safety are good.

3. The air cock is external, and integrated into one piece structure, need not the equipment, and the installation is simple, has increased the length of transmitter, convenient better with inflater interface connection.

4. The air cock is external, and integrated into one piece structure, and emitter and air cock part, it is appropriate to seal from top to bottom, hits the atmospheric pressure and pushes back the water in the emitter, just can not leak gas naturally, leak, and the gas tightness is better.

5. The hole site is reserved in the side setting of shell, makes things convenient for individual DIY installation to act as go-between for remote control uses.

6. The sliding ball is installed on the inner sleeve, so that the inner sleeve is not easy to drop and can better clamp the nozzle.

Drawings

Fig. 1 is a schematic view of the disassembly structure of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Figure 3 is a schematic view of the safety device opening configuration.

Figure 4 is a schematic view of a safety device closure configuration.

Fig. 5 is a cross-sectional view of fig. 4.

Wherein:

1-base, 2-inner sleeve, 3-hole, 4-sliding ball, 5-baffle, 6-safety device, 7-stop block, 8-shell, 9-shoulder, 10-elastic sheet, 11-convex edge, 12-opening, 13-spring, 14-preformed hole, 15-connecting pipe, 16-air pipe, 17-air nozzle, 18-nut, and 19-inner boss.

Detailed Description

Example (b): as shown in the figure, the water rocket launcher is provided with a circular base 1, an inner sleeve 2 is fixed above the base 1, four holes 3 are uniformly distributed in the side wall of the inner sleeve 2, the diameter of a sliding ball 4 is slightly larger than that of the holes 3, the sliding ball is installed into the holes 3 from the outer side of the inner sleeve 2 and cannot fall into the inner sleeve 2, two sides and the upper edge of each hole 3 are provided with baffles 5 for blocking the sliding ball and avoiding the sliding ball from sliding towards two sides and upwards, and the top of the inner sleeve 2 is provided with an everting convex edge 11; the safety device 6 is an annular sleeve and is sleeved at the bottom of the inner sleeve 2, an inner boss 19 is arranged on the inner wall of the safety device 6 along the circumferential direction of the inner wall, the inner boss 19 is clamped with the bottom of the inner sleeve 2, and a stop block 7 is arranged on the outer side wall of the safety device 6; the shell 8 is an annular sleeve with a necking, the necking is provided with a shoulder 9, four elastic sheets 10 are arranged along the inner wall of the shell, the elastic sheets 10 are positioned above the shoulder, one end of each elastic sheet is fixed with the shoulder 9 of the shell, the other end of each elastic sheet is supported on an outward-turning convex edge 11 at the top of the inner sleeve 2 to prevent the shell 8 from sliding off, the shell 8 is sleeved outside the inner sleeve 2 and the safety device 6, the four elastic sheets 10 and the four holes 3 are arranged at intervals, a spring 13 is sleeved outside the inner sleeve 2 and positioned between the shoulder 9 of the shell and an inner boss 19 of the safety device to enable the inner sleeve 2 to move up and down in the shell 8, an opening 12 is arranged at the bottom edge of the shell 8 and matched with a stop dog 7 of the safety device 6, the base 1 is rotated to separate the stop dog 7 from the opening 12 and press the shell 8 downwards, the safety device 6 stops the shell 8 from being pressed down, the sliding ball 4 can not move back and forth, the nozzle is clamped with the inner sleeve 2, and the water rocket can not fly out even if the pressure is enough; rotating the base 1 to enable the stop 7 to correspond to the position of the opening 12, pressing the shell 8 downwards, enabling the shoulder 9 of the shell 8 to compress the spring 13 downwards, enabling the stop 7 to be located in the opening 12 at the moment, enabling the sliding ball 4 not to be blocked by the shoulder 9 and to be in a relaxed state and capable of moving back and forth, enabling the connecting pipe 15 to be communicated with the inner sleeve 2 and enabling the connecting pipe 15 and the air nozzle 17 to be provided with external threads respectively, enabling two ends of the transparent air pipe 16 to be connected with the connecting pipe 15 and the air nozzle 17 respectively and locked and fixed through the nut 18, inflating through the air nozzle 17, transmitting the pressure of the inflator into the launcher, and enabling the pressure of the water rocket to be ejected out when the pressure is sufficiently large and the nozzle is not blocked;

a preformed hole 14 can be arranged on the outer side of the shell 8, and an individual can install a stay wire in a DIY mode to remotely control the water rocket.

Claims

1. The utility model provides a water rocket launcher, it includes the base, fixes the interior sleeve pipe in the base top, and the solid device of card that interior sleeve pipe inner wall is fixed, suit are at the outer shell of interior sleeve pipe, the suit is located the spring between interior sleeve pipe and the shell outside the interior sleeve pipe and set up the air cock of installing the valve inside in base below and interior sleeve pipe intercommunication, be equipped with the shell fragment in the shell, the one end and the shell inner wall of shell fragment are fixed, and the protruding edge of turning up at interior sleeve pipe top is gone up in the other end top-mounting, its characterized: it also includes a safety device; the safety device is sleeved at the bottom of the inner sleeve and clamped with the bottom of the inner sleeve; the shell is provided with a shoulder, the elastic sheet on the inner wall of the shell is positioned above the shoulder, and the shell is sleeved outside the inner sleeve and the safety device; a locking device which is matched with the safety device is arranged between the safety device and the shell.

2. A water rocket launcher according to claim 1, wherein: the locking device comprises an opening and a stop block which are matched with each other, the bottom edge of the shell is provided with the opening, and the outer side wall of the safety device is provided with the stop block which is matched with the opening for use.

3. A water rocket launcher according to any one of claims 1-2, wherein: an inner boss is arranged on the inner side of the safety device, and a spring is arranged between the inner boss of the safety device and the shoulder of the shell.

4. A water rocket launcher according to claim 3, wherein: the clamping device comprises sliding balls, at least two holes are uniformly distributed in the side wall of the inner sleeve, and the sliding balls are installed in the holes.

5. A water rocket launcher according to claim 4, wherein: the diameter of the ball is slightly larger than that of the hole.

6. A water rocket launcher according to claim 3, wherein: the connecting pipe is arranged below the base and communicated with the inner sleeve, the connecting pipe is connected with the air faucet through the air pipe, and the valve inside is arranged in the air faucet.

7. A water rocket launcher according to claim 3, wherein: the outside of shell is equipped with the preformed hole.

8. A water rocket launcher according to claim 4, wherein: and a shielding device is arranged on the side edge of the hole.