46 results about "Water rocket" patented technology

The invention discloses a novel two-stage water rocket capable of being separated by air friction. The two-stage water rocket capable of being separated by the air friction comprises a one-stage rocket body, a two-stage rocket body, a parachute and a launch frame. The two-stage water rocket capable of being separated by the air friction is characterized in that the one-stage rocket body and the two-stage rocket body are connected through a separating controller, a separating control wing is arranged at the bottom of the one-stage rocket body, the separating control wing is fixedly connected with a hanging stack on the separating controller through a steer wire rope. A shackle switch, a barometer and a directional guide rail are arranged additionally on the launch frame. A manner of external force controlling trigger and separation is used, air friction which is impacted on the separating control wing in the accelerated rising process of a first stage water rocket is used skillfully for controlling the separation, and thrust of the one-stage rocket body is used fully, and an air pressure difference between the one-stage rocket body and the two-stage rocket body is small. Controllability and safety can be improved. The shackle switch is used for controlling the water rocket to launch, and a gas tube is prolonged. The barometer, the directional guide rail, the parachute and the like are installed. The controllability and the safety of the water rocket can be improved. The two-stage water rocket capable of being separated by the air friction is simple in structure, convenient to operate, safe, environment-friendly and stable in performance.

The invention relates to a physics teaching tool, in particular to a water injection and air inflation integrated water rocket launching device. The device solves the problems that the center-of-gravity position of the existing water rocket is unstable, the flying attitude in launching is inconsistent with the pre-designed flying attitude and has relatively great error and consequently the experimental effect is influenced. The upper end of a first pipeline sequentially penetrates through a launching pad and a water sleeve and is arranged in the water rocket body and located at the upper part of the water rocket body; the lower end of the first pipeline is communicated with the lower end of a second pipeline and one end of a third pipeline through a tee joint respectively; the upper end of the second pipeline is communicated with the lower end of a funnel; the second pipeline is provided with a first valve; the other end of the third pipeline is communicated with one end of a fourth pipeline; and the fourth pipeline is provided with a second valve and an air needle respectively. The device disclosed by the invention is applied to physics teaching.

The invention belongs to the technical field of fire-fighting and rescue equipment, and relates to a fire rescue device. The fire rescue device comprises a launching canister and a water rocket located in the launching canister. One end of the launching canister is sealed and provided with a nozzle assembly, and the other end of the launching canister is open. The nozzle assembly comprises a nozzle base installed in the launching canister and an air inflation nozzle which is arranged on the nozzle base in an inserted mode, and part of the air inflation nozzle is located outside the launching canister. A water spraying opening is formed in the tail of the water rocket, and the tail of the water rocket is clamped in the nozzle base in the launching canister. The middle and the tail of the water rocket communicate with each other and are filled with compressed air and water. An independent sealed space is located in the head of the water rocket, and lifesaving articles are placed inside the independent sealed space. The nozzle base is provided with a launching switch used for controlling the nozzle base to lock or release the water spraying opening. The fire rescue device is simple in structure, easy to implement and capable of being implemented remotely to rapidly provide rescue and provide rescue help.

The water rocket launch system is an automated system for launching multiple water rockets simultaneously with additional visual and auditory effects. The water rocket launch system includes a platform, with at least one launching base slidably mounted on an upper surface thereof. The at least one launching base is selectively and controllably driven to slide on the platform. At least one water rocket storage chamber is mounted on the platform, with the at least one water rocket storage chamber having an open interior region for receiving and storing a plurality of water rockets, and further having an open bottom end. A plurality of launching assemblies are mounted on the at least one launching base, so that the plurality of water rockets stored within the at least one water rocket storage chamber may be released thereon, with each launching assembly engaging and releasably supporting a respective one of the water rockets.

The invention discloses a water rocket launching device and relates to the technical field of manufacture of experiment teaching aids. The water rocket launching device comprises a launching plate, wherein the launching plate is hinged to a seat plate through a hinged shaft; the seat plate is provided with a limiting plate on which the launching plate rotates around the hinged shaft; an inflating nozzle sheathed with a conical sealing ring is formed in the launching plate; the launching plate is provided with an arc-shaped positioning plate on one side of the inflating nozzle, at least two movable pressure rods are mounted between the positioning plate and the inflating nozzle, and an ejector is arranged on the other side of the inflating nozzle and provided with an ejector plate hinged to the launching plate, an arc-shaped clamping groove for clamping the movable pressure rod is formed in the ejector plate, and a control brake handle is connected with the ejector plate through a steel wire rope. Compared with the prior art, the water rocket launching device can be instantaneously ejected out, is high in safety and good in experiment effects.

The invention discloses a fairing separation mechanism, a water rocket model with the same and a teaching aid, the fairing separation mechanism comprises two groups of fairings, an accommodating cavity is formed between the two groups of fairings, a carrier plate is arranged in the accommodating cavity, and a main plate is arranged below the carrier plate; a plurality of groups of first elastic separation parts are connected between the fairing and the main plate, a plurality of groups of second elastic connection parts are connected between the carrier plate and the main plate, the first elastic separation parts and the second elastic connection parts are connected with breaking parts, and the breaking parts are fixedly connected with the main plate; and the water rocket model comprises a fairing separation mechanism, a rocket body, a parachute, an empennage, a clinker bottle and a tail jet. Separation of the fairing is guaranteed through the first elastic separation part and the second elastic connection part, the parachute is bounced and separated under the action of the second elastic connection part, it is guaranteed that the parachute can be opened in real time, and factors influencing the flight attitude and height of the rocket are explored by changing conditions.

The water rocket engine with a two-phase nozzle includes a water rocket propulsion system having a reservoir, and a nozzle assembly disposed along a central longitudinal axis therein, the nozzle assembly comprising an inverted cup shaped fluid capture vessel having a substantially concave sidewall and extending away from an elongated tube. Open lower portion of the fluid capture vessel forms a fluid inlet. The elongated tube has a concave shaped side wall that forms a nozzle gas inlet at an upper portion of the tube, a nozzle outlet at a lower portion of the tube, and a passageway disposed between the tube upper portion and the tube lower portion. Within the confines of the capture vessel, fluid injection holes are disposed in the tube sidewall to provide fluid intake into the nozzle passageway where fluid and gas combine to form a two phase propellant.

A plastic sheet that can be formed into a cylinder or truncated cone and attached to a pressure vessel by use of integral self-adhesive tabs. The cylinder or truncated cone is then used as an extension and structure for the attachment of rocket fins.

The invention discloses a water rocket automatic filling system. The water rocket automatic filling system is characterized by comprising a filling connector, a water adding device, a pressure source, a pressure sensing device, a T-branch pipe, a second T-branch pipe, a one-way valve, a second one-way valve and a control circuit which are arranged inside a box except for the filling connector, wherein the filling connector extends to a water rocket launching support through a hose pipe. The water rocket automatic filling system has the advantages of avoiding fluid (water) and gas back flowing, being light, handy and simple in structure, easy to carry along and low in cost and saving time and labor due to the fact that the control circuit is used to control automatic filling of the rocket.

The invention discloses a water rocket pressure-operated interstage locking-separating device, which comprises an upper base, a lower fixing anchor seat, a supporting stand column, a piston-spring assembly and a locking-separating device. The lower fixing anchor seat is sleeved and fixed at the upper end of the rocket body of a lower-stage water rocket; the piston-spring assembly comprises a cylinder barrel, a piston, tension springs and a tension spring hanging rod, the cylinder barrel is fixedly arranged on the periphery of an upper end opening of a rocket body of the lower-stage water rocket in a sleeving mode, the piston is communicated with the interior of the lower-stage water rocket and keeps consistent pressure, the tension spring hanging rod is fixed to the piston, one end of each tension spring is hung at the two side ends of the tension spring hanging rod respectively, and the other end of each tension spring is fixed on the cylinder barrel; and the locking-separating device is fixed to the upper base, and an upper-stage water rocket body is connected to the locking-separating device. According to the device, locking and separating of all stages of the water rocket are achieved, the overall lift limit of the water rocket is improved, the functions of the water rocket and the load capable of being carried by the water rocket are expanded, the working pressure range is wide, and the pressure adjusting freedom degree is high.

The invention relates to a claw-type launcher for water rocket launching. The claw-type launcher is provided with an integrally formed launcher body and two claws, clamping buckle parts are arranged at the upper ends of the claws; limiting horizontal bars facing the corresponding clamping buckle portions are respectively formed at the ends of the same sides of the two clamping buckle parts; the launcher further includes a limiting mechanism that can limit and release the two limiting horizontal bars; when the limiting mechanism limits the limiting horizontal bars, the claws and the clamping buckle parts cannot move; and when the limiting mechanism releases the limiting horizontal bars, the l limiting horizontal bars, the claws and the clamping buckle parts can be opened. By adopting the structure, the limiting horizontal bars extending on the claws are used to lock and release in a limiting mode, the release stroke of the limiting mechanism is shorter and the release synchronization isbetter, and launching is facilitated; the structure of the limiting mechanism is diversified, a variety of launch methods can be achieved, such as multiple water rocket relay launches, mortar launches, and the like, different launch effects are brought, and the needs of more users can be met.

An auxiliary power-assisted empennage for a water rocket, comprising a socket body, a fixed piece, a fastening bolt, an empennage, a deflector and a booster piece, the empennage includes a socket pipe installed between the tail of the water rocket body and the nozzle body; the outer wall of the socket pipe is provided with four tail fins extending radially; the socket body and the tail fins are fixedly connected by a fixed piece; the fixed piece is adhered to the outer wall of the socket pipe; the tail fin There are deflectors adhered between the fins; the upper surface of the connection between the deflector and the tail fin is provided with a booster sheet; the outer wall of the socket pipe is provided with 4 fastening bolts; the deflector is arc-shaped plate structure; the inner wall of the socket pipe is provided with threads; the booster plate is a tetrahedron structure with an inclined surface, and is attached to the tail fin and is seamlessly connected with the surface of the socket pipe body; the socket pipe body of the present invention is arranged. It is beneficial to install the empennage device on the water rocket more quickly and conveniently.

The present invention relates to a large-volume split-type water rocket parachute umbrella bin. The umbrella bin has a bullet-shaped bin body, and the bin body is formed by connecting and combining afirst and second shells that can be opened and closed; a connecting portion connected with the top of the water rocket body is formed at the center of the bottom surface of the bin body; a surroundingrubber band is connected with the bottom of the side wall of the first shell; a mounting recess hollow toward the inner portion of the second shell is formed at the middle of the second shell; and arubber band connection and release device is arranged in the mounting recess, and the rubber band connection and release device can be connected with the movable end of the surrounding rubber band andcan release the movable end of the surrounding rubber band in due course. According to the large-volume split-type water rocket parachute umbrella bin provided by the present invention, by using thestructure, the opening manner of the bin body becomes a side opening or split type, the opening area after opening is maximized, the internal space of the bin body is completely exposed, the load in the bin body including the parachute can be opened smoothly, and the situation that the parachute cannot be opened cannot occur.

The invention relates to the field of model rockets, in particular to a parallel type water rocket launcher. The launcher solves the problems of the existing model rockets that the environment is polluted, and a parent of a plurality of parallelly-connected subrockets does not have a matched launching device. A lateral wall of an inflation pipeline is respectively communicated with a pressure adjusting valve, a pressure meter, a gas needle and two first ball valves. One end of the inflation pipeline is communicated with a plurality of gas inlet pipes of the water rocket launcher, a water injection device is respectively communicated with a first connecting pipe, the first connecting pipe is respectively communicated with a plurality of second connecting pipes, each second connecting pipe is communicated with a plurality of gas inlet pipe lateral walls of the launcher, each second connecting pipe is provided with a second ball valve, the water rocket launcher is fixed on a launching platform, a launching plate is arranged on the launching platform parallelly, the launching plate is provided with a plurality of launching sleeves of the water rocket launcher, a lead screw is fixedly connected onto the launching plate, and the lead screw is in transmission connection with a guiding rod of an air cylinder. The parallel type water rocket launcher is applicable to the model rockets.

The invention discloses a firework setting-off device based on water rockets. The firework setting-off device comprises a launching box and a water tank arranged in the launching box. A plurality of water rocket launchers and a launching control mechanism for controlling the multiple water rocket launchers are arranged on the launching box. A water rocket body is installed on each water rocket launcher in a matched mode, separating head covers are connected to the head of each water rocket body, and a firework containing cavity for containing fireworks is arranged between each head cover and the corresponding water rocket body. The launching box is further provided with a water filling and inflating assembly for filling water into the water rocket bodies and inflating the water rocket bodies and an igniting assembly for igniting the fireworks. The firework setting-off device has the advantages that use is convenient, the functions are complete, an external structure is simple and elegant, movement and storage are convenient, and applicability is good.

The invention discloses a water rocket launching device and a teaching aid, which are used for water rocket launching teaching. The device comprises a movable rack; an adjusting mechanism is mounted on the top surface of the movable rack; the adjusting mechanism is used for debugging and mounting the water rocket; the launching mechanism is fixedly mounted on the top surface of the movable rack, and is limited in the area of the adjusting mechanism; the launching mechanism comprises a clamping piece and a releasing assembly; the clamping piece is mounted at a bottom opening of the water rocket; the releasing assembly is used for controlling installation and launching of the clamping piece and the water rocket; the gas-liquid system is fixedly mounted in an inner cavity of the movable rack; the gas-liquid system is communicated with the clamping piece through a pipeline; and the gas-liquid system is in signal interaction with the release assembly. According to the scheme, a remote full-automatic control mode is achieved technically, accurate and quantitative pressurization and water adding are achieved, the safety limit value and the safety mode are set, and the safety risk of the water rocket is greatly reduced.

The invention relates to a small water rocket capable of being launched in an arbitrary direction, belonging to the field of physical demonstrative experiments. The small water rocket is composed of a body (1) and an inflator (2), and is characterized in that a piston (3) with a small hole in the body (1) and the periphery on the inner side of the body (1) are in smooth contact with each other, and both ends of a spring (9) are respectively fixed with the piston (3) and the body (1); during filling water, a bottle opening (4) is faced up, a proper amount of water is injected into a water filling region (7), a rubber tube (6) is inserted into the bottle opening (4), and the bottle opening (4) is faced down to start inflation; the body (1) is formed by cutting and assembling an 8ml soft plastic bottle and a 10ml plastic injector, a hole in the inner top of the body (1) is sealed with a sealant (8), and the outer top of the body (1) is provided with a streamlined soft bulb (5); and the inflator (2) is formed by sheathing the rubber tube (6) on the needle column of a 50ml plastic injector. The small water rocket is mainly designed for realizing the technique of launching a water rocket in an arbitrary direction, and has more educational functions when being used in school teaching.

Disclosed is an apparatus for testing a water rocket and a method for use thereof, the apparatus comprising a housing, a load cell assembly, a launcher assembly, a rocket assembly, and a base piston. The load cell assembly, the launcher assembly, the rocket assembly, and base piston all situated within the housing. A hose running from the exterior of the housing to the launcher assembly and / or the rocket assembly, whereby water or air may be supplied to the launcher assembly or the rocket assembly. The supply of air and / or water pressurizes the rocket assembly and the launcher assembly, which may then be released to cause the rocket to exert a force in a direction opposite to the direction of the release of water and air. The load cell is adapted to capture and record the thrust of the water rocket. The housing is adapted to retain the released water within the housing. The base piston is adapted to move the launcher assembly out of the way of the releasing water and air, whereby the launcher assembly does not impede the exit of the water or air that could result in inaccurate data.

The invention discloses a water rocket assembling and launching system matched with VR simulation for use, which comprises a supporting table, a part placing platform and a launching platform are arranged on the supporting table, a part placing area and a finished product placing area are arranged on the part placing platform, the part placing area is used for placing water rocket parts which are not assembled yet, and the launching platform is used for launching the water rocket parts. The finished product placing area is used for placing the launching device; the part containing platform comprises a first groove and a sliding plate, the first groove communicates with the right side wall of the part containing platform, the sliding plate is arranged on the first groove in a sliding mode, the finished product containing area is arranged on the sliding plate, and a second groove located on the same horizontal line as the first groove is formed in the launching platform. The second groove is communicated with the left side wall of the launching platform; the objective of the invention is to solve the problem of poor practicability caused by the fact that an existing VR system cannot link virtuality and reality together.

The invention discloses a safe water rocket launching cradle, belongs to a teaching tool, and in particular relates to a device which can demonstrate safe launching of a water rocket. The safe water rocket launching cradle disclosed by the invention comprises a base and a guide frame and is characterized in that the guide frame is composed of a front guide frame fixing ring and a rear guide frame fixing ring as well as six guide rods which are uniformly fixed at the periphery of each guide frame fixing ring, and the bottom of the rear guide frame fixing ring is arranged on a supporting upright. The safe water rocket launching cradle disclosed by the invention has the beneficial effects that the guide frame and a supporting device of the guide frame are improved, a danger caused by the fact that a sliding rail type guiding device can fly reversely is avoided, safety problem of launch crew can be well guaranteed, convenience is provided for understanding physical backflushing motion by students, and the safe water rocket launching cradle can be popularized and used in middle and primary schools.

The invention discloses a high-position automatic water spraying noise reduction system following rocket exhaust flame, and belongs to the technical field of rocket launching noise protection. The system comprises nozzles, a quick valve control system, an air supply system, a water supply system and a drainage system; the nozzles are connected to the water supply system through water spraying pipelines, and evenly arranged on the front side and the rear side of a launching station; and the water spraying range can cover a launching pad after stable water spraying of the nozzles. The rapid valve control system is arranged on a water supply pipeline, and short-range water spraying of the system is achieved before ignition of a rocket engine; long-range water spraying of the system is achieved at a certain moment after a rocket is ignited to take off, and the time interval between the working conditions of short-range water spraying and long-range water spraying is about 1 s; the air supply system is used for providing compressed air for the quick valve control system as a control air source; and large-flow sprayed water is timely collected and discharged to a low-lying position outside a launching site through the drainage system. According to the system, the working conditions of water spraying are switched according to the rocket launching conditions, the safety of a rocket body can be guaranteed, and meanwhile noise radiation and propagation are restrained.

The invention provides a pressure-operated glider connecting-separating device of a water rocket boosting glider. The pressure-operated glider connecting-separating device comprises a connecting base, a connecting sliding block and a piston-spring mechanism. The connecting base is provided with a connecting sliding groove matched with the connecting sliding block in the vertical direction. The piston-spring mechanism comprises a soft gas circuit connector, a cylinder-piston assembly, a tension spring, a tension spring fixed hanging rod, a tension spring movable hanging rod, a tension spring movable hanging rod limiter and a carbon fiber bolt; the soft gas path joint is connected to the soft gas path; the cylinder-piston assembly is composed of a cylinder barrel and a piston, the tension spring fixed hanging rod is fixedly arranged on the upper portion of the outer wall of the cylinder barrel, and the tension spring movable hanging rod is connected to the working tail end of the piston; the tension spring is hung between the tension spring fixed hanging rod and the tension spring movable hanging rod; the tension spring movable hanging rod limiter is arranged at the lower part of the cylinder barrel; and the upper end of the carbon fiber bolt is fixed on the tension spring movable hanging rod. The device provided by the invention can work independently; the reliability and the action triggering precision are high; and the design requirements of moisture resistance and water pressure impact resistance are met.

The invention discloses a novel rocket head structure capable of lowering resistance for a water rocket. The novel rocket head structure comprises a rocket head body, a connection segment, air breaking fins, air splitting fins and an inner cavity, wherein the connection segment is arranged at the bottom of the rocket head body; the inner cavity is formed inside the rocket head body; three air splitting fins are arranged on the outer circumference of the rocket head body from top to bottom; three air splitting fins are taken as one group, and four groups of air splitting fins are arranged around a rocket head body array; four air breaking fins are arranged around the rocket head body array; center lines of the air breaking fins and the air splitting fins are spaced by 45 degrees. Through arrangement of the connection segment, connection of the rocket body is facilitated, an integral structure is formed, flying resistance is lowered, and the problem of poor firmness during use is solved.

The invention relates to a parallel modular flexible power device for a water rocket. The parallel modular flexible power device comprises a nose cone part (1), an interstage part (2), an empennage part (3) and a power part (4), the nose cone part (1), the interstage part (2) and the empennage part (3) are coaxially and detachably connected in sequence; the power part (4) is detachably connected with the empennage part (3); at least one interstage part (2) is arranged; a parachute device (11) is arranged in the head cone part (1); and one or more power parts (4) are connected in parallel. The water rocket device is light in weight, sufficient in power, simple in structure, convenient to assemble and disassemble and high in reliability.