85results about "Liquid ejecting guns" patented technology

A water gun is provided. On the water gun, when a liquid pump is turned on, liquid in a liquid storage device is injected into a first water tank through a water inlet hole. The liquid pump is used as a unique power source to synchronously perform two functions: In a first function, the liquid in the first water tank is extracted through the water outlet hole for being pressurized, thus forming a high-pressure jet water flow. In a second function, a dynamic pressure field is built inside the first water tank to force a part of the liquid to flow towards a second water tank through a water replenishment hole. The single-pump double-output design directly replaces a shooting water pump and a mist spray water pump that work independently in a traditional double-pump system, and fundamentally reduces power consumption.

Provided herein are shaped-charges having curved walls to provide better controllable and improved liquid jet parameters. The shaped-charge comprises a container having a plurality of curved walls for containing a liquid. One or more explosive charges are immersed in the liquid and a detonator channel positioned through the container wall to controllably detonate the one or more explosive charges and from a wedge-shaped liquid jet. Multipoint initiation is achieved using a number of initiation points; a location of one or more initiation contact points with the geometrically-shaped explosive charges; and / or an initiation timing of each of the initiation contact points, including simultaneous initiation or a sequence of initiations. Also provided are related methods of forming liquid jets and attendant applications, including target disruption.

Provided herein are mass focusing shaped charges and related methods useful for disrupting targets in either underwater or on land. The mass focusing shaped charges comprise an explosives shell having an explosives shell surface, wherein at least a portion is curved and defines an inner volume configured to contain an inner volume of fluid or a metal liner. A distal body is comprising a SMART material is positioned between the inner volume of fluid and a to-be-disrupted target. A conformable layer of explosives conforms to at least a portion of a surface of the explosives shell, the conformable layer of explosives configured for explosive initiation by a detonator. Upon explosive initiation the inner volume of fluid or metal liner is forcefully ejected to form a fluid or metal jet in a direction through the distal body and toward the target.

A cell phone case to hold a concealed defense system, comprising, a concealed defense system, a cell phone case, and an attachable means to removably attach the concealed defense system to the back of the cell phone case to form a flat foot that stabilizes and directs the defense system toward the danger or a target. The concealed defense system can be a flat mini pepper spray canister or a flat defense projectile device.

This application relates to the field of riot control devices and discloses an innovative multifunctional riot shield, specifically for police equipment. The riot shield includes a shield body, an auxiliary support assembly, a dispersing assembly, and a control assembly. The front surface of the shield body has an observation window; the auxiliary support assembly connects the user's upper arm to the shield body to distribute the weight of the grip; the dispersing assembly is located on the inner wall of the shield body and, through a central processing unit, controls a micro-pump to spray the medium from the gas cylinder outwards via a transmission pipe. The device features a linkage locking assembly; pressing the unlock button moves the unlocking plate, and the protrusion drives the locking buckle and the moving sleeve to move downwards synchronously, simultaneously releasing the lock between the central processing unit and the gas cylinder; in conjunction with the torsion spring structure of the rotary joint, the gas cylinder automatically tilts outwards and pops out after unlocking. This invention achieves active dispersing and identity verification control of the riot shield, and also features rapid gas cylinder replacement and ergonomic auxiliary support functions.

Disclosed is an actuator for actuation of a fluid dispense valve in a pressurized fluid powered fluid dispensing device. The actuator comprising structure to generate a pressure differential between a first zone and a second zone. The zones being adjacent a valve member of the fluid dispense valve of the device such that upon generation of the pressure differential the valve member is moved from the zone of relatively higher pressure towards the zone of relatively lower pressure such that the valve is opened.

Provided is a hand-cranked driving device, including a shooting component and a hand crank. The shooting component includes a shell, a connecting shaft rotatably penetrating through both sides of the shell, a first groove body and a second groove body respectively fixed to both ends of the connecting shaft, a piston rod movably connected in the shell in a reciprocating manner, and a driving wheel in driving connection to the piston rod through a driving component. A first clamping portion is arranged on the first groove body. A second clamping portion clamped with the first clamping portion is arranged on the driving wheel. The hand crank includes a connecting rod. The connecting rod is detachably fixed in the first groove body or the second groove body. Further provided is a hand-cranked water gun with the hand-cranked driving device.

The utility model relates to security and protection instruments, in particular to a multifunctional constraint type anti-riot fork which comprises a fork head and an operating rod connected with the fork head, the operating rod is of a hollow structure, and a spraying mechanism is arranged on the operating rod. The spraying mechanism comprises a spraying head fixedly arranged on the operating rod, a water pump arranged in the operating rod in a sleeving manner and communicating with the spraying head, a liquid storage tank arranged in the operating rod in a sleeving manner and communicating with the water pump, a battery module arranged in the operating rod in a sleeving manner and used for providing power for the water pump, and a switch module fixedly arranged on the outer surface of the operating rod and used for controlling the water pump; the anti-riot fork not only has the restraining function of a traditional anti-riot fork, but also can provide an additional anti-riot function, and the anti-riot capacity of security personnel is improved.

The utility model relates to a toy water gun, which comprises a shell, a water pump, a water pump and a water pump, the liquid spraying mechanism comprises a liquid storage cavity, a liquid spraying pump and a liquid guide pipe set, the liquid storage cavity and the liquid spraying pump are arranged on the shell, the liquid spraying pump is communicated with the liquid storage cavity and the liquid spraying level through the liquid guide pipe set, and the liquid spraying pump is used for pumping liquid in the liquid storage cavity to the liquid spraying level to be sprayed out; the spraying mechanism comprises an atomizing liquid box and an atomizing part, the atomizing liquid box is connected with the shell, the atomizing part is used for leading liquid in the atomizing liquid box and atomizing the liquid, and the water mist output end of the atomizing part is communicated with the spraying position. And through the arrangement of the liquid spraying mechanism and the mist spraying mechanism, liquid spraying can be carried out from the liquid spraying position, mist spraying can be carried out from the mist spraying position, and the functions of the product are greatly enriched. Furthermore, mist spraying is carried out while liquid spraying is carried out, the gun flame effect of a gun can be simulated through water mist, and the simulation degree of a product is greatly improved.

The water spray structure of a continuous shooting toy water gun of the present invention comprises: a housing; a water spray chamber, provided at a front end of the housing; a rear end of the water spray chamber, the rear end of the water spray chamber fixedly connected to the front end of the housing to form an integral unit; a nozzle provided at a front end of the water spray chamber; a water inlet provided at a bottom surface of the water spray chamber, the bottom surface of the water spray chamber being connected to the water storage chamber by the water inlet; a piston positioned inside the water spray chamber; an electric motor installed at a rear end of the housing; a swinging mechanism; and a driving mechanism connected to a motor shaft of the electric motor and thereby drives the piston through the swinging mechanism.

The utility model discloses a special launching anchor hook for a pulse air pressure spray water gun, and relates to the technical field of anchor hooks. During use, the connecting threaded rod is screwed into the connecting hole, when the first through hole in the connecting threaded rod is aligned with the second through hole in the connecting rod, the bolt is screwed into the connecting threaded rod, the bolt penetrates through the second through hole and the first through hole, and finally the nut is screwed, so that on one hand, the stability between the connecting threaded rod and the connecting rod is further enhanced; on the other hand, subsequent replacement of a new anchor hook is facilitated, and potential safety hazards caused by damage or unsuitability of the anchor hook are reduced; after a proper anchor hook is checked or replaced, the anchor hook is inserted into a front gun barrel of the pulse gun, the anchor hook is pushed out of the gun barrel of the pulse gun by utilizing the gas pressure of 2.5 Mpa at an outlet of a main valve body of the pulse gun, a rope is tied in advance through a rope hanging ring, and then rescue can be carried out on accident sites outside 120 meters. Therefore, the problem that people cannot go to a long-distance accident site due to flood and collapse is solved.

The utility model relates to the technical field of toys, in particular to a self-luminous water gun which comprises an outer sleeve assembly and a pull rod assembly arranged in the outer sleeve assembly in a movable push-pull mode, the outer sleeve assembly comprises a pearl wool protective sleeve and an outer cylinder body which are sequentially and fixedly connected from outside to inside, and a water outlet is formed in the front end of the outer sleeve assembly. An outer end cover, a shower head cover, a water spraying end cover, a flange plate, a fan blade end cover and a water containing pipe are sequentially and fixedly connected to the inner side of the outer cylinder body in the direction from the water outlet to the pull rod assembly, a generator and an LED lamp are installed on one side of the flange plate, and a driving impeller connected with an input shaft of the generator is installed on the other side of the flange plate. The utility model has the technical effects and advantages that: 1, the generator is driven by water flow to generate electric energy to drive the LED lamp to emit light without using a battery, so that more energy is saved and the environment is protected; 2, the outer side of the water gun is provided with a soft pearl wool protective layer, so that the safety of the child during playing is ensured, and the body or the water gun is prevented from being damaged;

The utility model provides a hand-cranking driving device which comprises a shooting assembly and a hand-cranking piece. The shooting assembly comprises a shell, a connecting shaft, a first groove body, a second groove body, a piston rod and a driving wheel, wherein the connecting shaft rotatably penetrates through the two sides of the shell, the first groove body and the second groove body are fixed to the two ends of the connecting shaft respectively, the piston rod is connected into the shell in a reciprocating motion mode, and the driving wheel is in driving connection with the piston rod through a driving assembly. A first clamping part is arranged on the first groove body, and a second clamping part clamped with the first clamping part is arranged on the driving wheel; the hand-cranking piece comprises a connecting rod, and the connecting rod is detachably fixed in the first groove body or the second groove body. The utility model further provides a hand-cranking water gun provided with the hand-cranking driving device. According to the hand-cranking driving device and the hand-cranking water gun, the position of the hand-cranking piece can be changed according to the hand using habit of a player, practicability is high, and the hand-cranking driving device and the hand-cranking water gun can be

A toy water gun with an umbrella comprises a water gun body and an umbrella body, the water gun body is provided with a gun barrel, and the end of the gun barrel is provided with a muzzle; the umbrella body is provided with umbrella cloth, an umbrella rod, a plurality of umbrella ribs, a plurality of supporting rods, an annular fixing sleeve and an annular sliding sleeve, the annular fixing sleeve is fixed to the upper end of the umbrella rod, and the lower end of the umbrella rod is connected with a muzzle of the gun barrel. The annular sliding sleeve is slidably mounted on the umbrella rod; the upper end part of the umbrella body is provided with a water jet port for jetting water flow; a plurality of pressing claws are arranged on the lower portion of the annular sliding sleeve and evenly arranged in the circumferential direction of the annular sliding sleeve, and the upper end of each pressing claw is connected with the lower portion of the annular sliding sleeve. An outer hoop sleeve is arranged outside the lower part of the annular sliding sleeve; the outer hoop sleeve and the annular sliding sleeve are screwed through threads, and a big-end-up taper is formed on the inner surface of the lower portion of the outer hoop sleeve. The umbrella rod does not need to be provided with a deformation joint, and the cavity of the umbrella rod can be directly used as a water flow channel, so that the whole structure is simpler, and the assembly is more convenient; and the range of the finally ejected water flow is further facilitated.

An actuator for driving a fluid dispensing valve in a pressurized fluid driven fluid dispensing device is disclosed. The actuator includes a structure for creating a pressure difference between the first region and the second region. These regions are adjacent to a valve member of a fluid distribution valve of the device such that upon creation of a pressure differential, the valve member moves from a region of relatively high pressure to a region of relatively low pressure, thereby opening the valve.

The utility model relates to the technical field of toy water cups, and discloses a silica gel foldable water cup toy which comprises a connecting block, clamping blocks are fixedly connected to the left end and the right end of the connecting block, a sound production assembly is arranged at the bottom end of the connecting block, a second telescopic cylinder is fixedly connected to the top end of the connecting block, and a fixing ring is fixedly connected to the top end of the second telescopic cylinder. A nozzle is fixedly connected to the inner wall of the front end of the fixing ring, a hose is fixedly connected to the rear end of the nozzle, an air inlet cylinder is fixedly connected to the inner wall of the rear end of the fixing ring, and a baffle is connected to the inner wall of the air inlet cylinder through a reset assembly. According to the utility model, a child can press the cup cover to extrude the second contraction cylinder to enable water in the second contraction cylinder to be sprayed out from the spray head to be used as a water gun, or push the base to extrude the first contraction cylinder to enable air in the first contraction cylinder to be discharged from the air tap of the sound generator to make a sound, or observe that objects in the cup cover float in water to play amusement; and the entertainment modes are diversified to better attract children.

This disclosure relates to the field of water spraying device technology, and discloses a water gun and water spraying device; the water gun includes a barrel, a pull-out component, and a first elastic element. The barrel has a water gun nozzle and a fixed end arranged opposite each other in a first direction. A variable volume water storage tank and a water inlet area are provided inside the barrel. The water inlet area is closer to the water gun nozzle than the variable volume water storage tank. A water supply hole is provided on the barrel wall of the water inlet area for connecting a water pump. The pull-out component is located inside the barrel and includes a pull-out tube and a movable rod. The movable rod is connected to the pull-out tube along the first direction. The end of the pull-out tube near the water inlet area is the pull-out end. The pull-out end is sealed and slidably fitted to the barrel to form a variable volume water storage tank. The movable rod moves along the first direction to open or close the water gun nozzle. The first elastic element is located between the pull-out tube and the fixed end.

The invention discloses a police tool grabbing and using device and a using method thereof, and the police tool grabbing and using device comprises a grabbing part which is used for being grabbed by a palm; the two police tools are oppositely arranged on the grabbing piece, and one end of each police tool protrudes out of the grabbing piece; the grabbing piece comprises a tool outer sleeve, a first inner space and a second inner space are arranged in the tool outer sleeve, one police tool is arranged in the first inner space, and the other police tool is arranged in the second inner space. The grabbing handle is arranged on the outer wall of the tool outer sleeve, four first through holes are formed in the grabbing handle, fingers of a palm penetrate through the first through holes, and the palm grabs the tool outer sleeve and the grabbing handle; therefore, the technical problems that use is inconvenient, use flexibility is poor, and potential safety hazards exist due to the fact that tools fall off are solved.

The toy gun comprises a gun body, an empty hanging piece, a locking piece, an unlocking assembly, a first pulling machine handle, a first elastic piece and a second elastic piece, and the gun body is provided with a shell throwing window; the empty hanging piece is arranged on the gun body in a sliding manner and is provided with a first position for closing the shell ejecting window and a second position for opening the shell ejecting window; the locking piece is used for locking the empty hanging piece to keep the empty hanging piece at the second position; the unlocking assembly is used for unlocking the locking piece so that the locking piece can unlock the empty hanging piece. The first elastic piece acts on the empty hanging piece to reset the empty hanging piece from the second position to the first position; the first pulling machine handle and the empty hanging piece are arranged in a split mode, the first pulling machine handle is arranged on the gun body in a sliding mode and is provided with a first initial position and a first plug pulling position, the first pulling machine handle is switched to the first plug pulling position from the first initial position, and the empty hanging piece is driven to be switched to the second position from the first position; and the second elastic piece drives the first pulling machine handle to be switched from the first pulling bolt position to the first initial position. Empty hanging of a real gun is simulated, the service life is prolonged, and the use hand feeling is improved.

Safety device for locomotives to avoid collisions with persons on tracks, characterized in that that they have a sensor system for obstacle detection, a control unit for analyzing the sensor data and a high-pressure water jet unit, When a person is detected on the tracks, a directed high-pressure water jet is automatically triggered, to remove the person from the tracks and at the same time initiate an emergency brake on the locomotive.

Described is a spitball gun that is operable for collecting, wetting, and projecting paper ammunitions. The spitball gun includes a paper advancing chamber having an opening for receiving paper ammunition and an advancing mechanism for advancing paper through the paper advancing chamber to a loading chamber. A water tank is also connected with the loading chamber. An indexing lever is used to cause paper to be pulled through the paper advancing mechanism while water is released onto the paper from the water tank. A firing pin handle with a connected paper cutter is used to cut the paper and load the paper into the loading chamber. Finally, air from an attached air tank is used to expel a wetted paper wad from the loading chamber and through the barrel of the spitball gun.

The utility model discloses a toy driving mechanism, which belongs to the technical field of driving mechanisms and comprises a shell, a motor and a gear set are arranged in the shell, an output end of the motor is connected with a starting gear, the starting gear is connected with the gear set, and the gear set is connected with a connecting piece so that the connecting piece can move back and forth in the shell. A sleeve is installed at the end, away from the motor, of the shell, the end, away from the gear set, of the connecting piece is movably arranged in the sleeve, a second limiting column is arranged on the connecting piece, and a second limiting groove matched with the second limiting column is formed in the shell. The gear set drives the connecting piece to move back and forth in the shell, one end of the connecting piece also moves in the sleeve along with the connecting piece, so that the end of the connecting piece conducts piston motion, air in the sleeve is pumped out, water is squeezed out, the water pump is suitable for users of various age groups, and the use experience of the users is improved.

The long-distance tear injection device loaded on the unmanned aerial vehicle comprises a base, the base is fixedly connected to the top end bearing face of the unmanned aerial vehicle, a pressurizing injector is installed on the plate face of the base, a fixing support is installed at the side end of the pressurizing injector, and the pressurizing injector is installed on the fixing support. The pressurizing ejector and the base are limited and fixed through the fixing support, a long gun ejector head is installed at the front end of the pressurizing ejector, the rear end of the pressurizing ejector is detachably connected with a material pot, a pump is installed at the top end of the pressurizing ejector, the input end of the pump is communicated with the material pot through a hose, and the pump is connected with the material pot. And the output end of the pump is communicated with the pressurizing ejector. The pressurizing ejector is installed on the unmanned aerial vehicle, and the unmanned aerial vehicle approaches target personnel by means of maneuverability of the unmanned aerial vehicle and conducts non-fatal strike on the target personnel or areas, so that the target personnel or the areas lose resistance temporarily, and safety of handling personnel is guaranteed.

Disclosed herein is a cannon system (400) and method, the system (400) comprising: a tank (200) comprising at least one baffle (210, 220a, 220b, 220c, 220d) extending from an interior surface of the tank (200); at least one pump each comprising bearings supporting a shaft of the pump, the at least one pump configured to pump fluid into the tank (200) from a fluid source and configured to disperse fluid from the tank (200); and a suction system (300) comprising at least one float (320) positioned above a suction screen (310), the at least one float (320) configured to hold the suction screen (310) below an intake fluid level of the fluid source, the suction screen (310) in fluid connection with the at least one pump.

The utility model discloses a toy shooting water gun. The toy shooting water gun comprises a gun body, a power device arranged in the gun body, a piston pump device located in the gun body and a movable gun shell connected to the gun body in a sleeving mode. The piston pump device comprises a piston cylinder, a push rod and a connecting block, wherein one end of the push rod is inserted into the piston cylinder, and the connecting block is arranged at the other end of the push rod. A clamping opening is formed in the moving gun shell, a clamping block is arranged on the connecting block, and the clamping block of the connecting block is clamped and matched in the clamping opening of the moving gun shell; the power device is connected with the connecting block in a driving mode, the connecting block is driven by the power device to move in a reciprocating mode, and the moving gun shell and the push rod move in a reciprocating mode along with the connecting block. When the toy shooting water gun drives the piston pump to move based on the power device, the motion gun shell can be driven to reciprocate, the feedback effect of the shooting action of the water gun is improved, and therefore the use experience of a user on the toy shooting water gun is improved.

The invention relates to the related technical field of toys, in particular to a single-shot pulling and tying type water gun. Comprising a gun body, a machine part, a firing device, a pressurizing device and a water sump cartridge holder, a machine part is arranged in the gun body, a firing device is arranged on the inner side of the machine part, a pressurizing device is arranged on one side of the firing device, and a water sump clip is arranged below the pressurizing device; the percussion device comprises a sleeve, a gun bolt, a pressurization connecting hole, a spring base block, a spring, a driving hammer, a base block rivet and a rivet groove, the sleeve is embedded in the inner side of the machine part, one end of the sleeve penetrates through the machine part and is sleeved with the gun bolt, the other end of the sleeve is provided with the pressurization connecting hole, the spring base block, the spring and the driving hammer are sequentially arranged on the inner side of the sleeve, and the base block rivet is arranged below the spring base block. And a rivet groove is formed below the sleeve. The purpose of compressed water spraying is achieved through the percussion device and the pressurizing device, the playability is improved through a pull plug reset type structure of the percussion device, the pull rod is reset behind the pull rod and cannot be in a stretching state, and the pull rod structure is protected.

According to the water spraying device for the electric toy, the sector gear is matched with the first rack and the second rack which are parallel to each other and are in central symmetry, so that first teeth in the first rack and the second rack can be in contact with the sector gear in the rotating process of the sector gear; and the first rack and the second rack can be in engaged connection with the sector gear in turn to drive the other end of the piston to move back and forth in the air cylinder barrel in a reciprocating manner, so that water absorption and water spraying actions are realized. The water spraying device of the electric toy is reasonable in structural design, due to the fact that no spring is arranged, loads of teeth of the racks can be reduced, meshing between the sector gear and the racks is stable, abrasion is not prone to occurring, and it can be guaranteed that the water spraying device has the good working effect and the long service life.

An anti-freeze water gun structure has a gun body. The gun body has a water passageway therein, a water inlet at a lower end thereof, and a water chamber between the water passageway and the water inlet. A guide tube is provided in the water chamber. A slidable piston is fitted onto the guide tube. A lower end of the guide tube has a sealing structure for blocking a lower end of the water chamber. A lower half of the water chamber, located below the piston, is surrounded by the piston, an inner wall of the water chamber, an outer wall of the guide tube and the sealing structure to form a closed chamber. An elastic member is provided in the closed chamber for elastically pushing the piston upward. A water channel communicating with the water inlet and the water passageway is formed in the guide tube.