34results about "Firework simulations" patented technology

The invention discloses a contact ignition combustible powder cold light firework effect generating device which comprises a powder channel provided with an eruption opening, and heating pieces are distributed in the powder channel and are resistance heating pieces; the powder storage device is used for feeding combustible powder into the powder channel; the wind power assembly is used for inputting airflow into the powder channel; the combustible powder carried by the airflow is in contact with the heating piece when passing through the powder channel, is ignited and is sprayed out from the spraying opening. The combustible powder is directly contacted with the heating body to be ignited, so that the heat transfer link is saved, the energy consumption is effectively reduced, and a necessary ignition component in the prior art is omitted; and preheating or a plasma generator, a pressure fuel assembly and the like are not needed, so that the device is relatively simple in structure, and product miniaturization is facilitated.

The utility model discloses an igniter with a cold light firework ejection effect, an igniter body comprises a combustion chamber, a mixing chamber, a fuel assembly and an ignition device, fuel in the fuel assembly is ejected into the mixing chamber to be mixed with air to form mixed airflow, and the mixed airflow is ignited by the ignition device; the device further comprises a powder storage device for storing combustible powder, the powder storage device is arranged close to the area where the mixed airflow passes through, and a discharging port of the powder storage device communicates with the mixing chamber and / or the combustion chamber so that the combustible powder and the mixed airflow can be mixed and combusted. When fuel of the igniter body is sprayed out at a high speed, surrounding air and powder are sucked in through suction force of airflow, the combustible powder is fully mixed with the air and fuel gas and is combusted and sprayed out, the combination of the star effect of combustion of the combustible powder and flames of the igniter can be presented, and the firework effect presented by cold light fireworks can be completely simulated. Effective function fusion of the cold light firework effect and the portable igniter is ingeniously achieved.

The utility model discloses a rotary double-spraying decoration spraying machine, which aims to be capable of rotating during decoration spraying, not spraying decoration at a fixed position, and better in ornamental value, is provided with a double-spraying decoration system, can improve the decoration spraying amount, and comprises a base, a box body and a rotary driving unit, the box body is rotationally connected with the base, and the rotary driving unit drives the box body to rotate; two spraying decoration units are arranged in the box body, each spraying decoration unit comprises a spraying decoration pipe, a feeding pipe, a charging module, a feeding module, a heating module and an air blower, the upper end of the spraying decoration pipe is connected with the top of the box body and connected with the outside, the lower end of the spraying decoration pipe is connected with the air blower, the feeding pipe is communicated with the spraying decoration pipe, and the charging module conveys materials into the feeding pipe; the heating module heats the feeding pipe, the feeding module conveys materials in the feeding pipe into the spraying decoration pipe, and the air blower sprays out the materials in the spraying decoration pipe.

The invention relates to the technical field of saluting gun trucks, and provides a saluting gun loading and replacing structure on a saluting gun truck, comprising a frame, a support frame hinged to the inner side of the frame, a hydraulic rod hinged to the outer side of the frame, an output end of the hydraulic rod hinged to the support frame, and a main gun barrel fixedly connected to one end of the top of the support frame, a mounting, replacing and igniting integrated mechanism is arranged at the other end of the top of the supporting frame and comprises a mounting plate fixedly connected to the top of the supporting frame, a rotating shaft is rotationally connected to the top end of the mounting plate, a rotating frame is fixedly connected to the rotating shaft, and a plurality of auxiliary cannon assemblies are arranged on the outer edge of the rotating frame; the outer side of the machine box is fixedly connected with a cambered surface pressing base, a driving piece is arranged on the inner side of the machine box, and an ignition piece is arranged on the supporting frame. Through combination of mechanical automation and electrical control, the problems of efficiency, safety and synchronism of an existing saluting gun vehicle are effectively solved.

The utility model discloses a heating system of a cold flame spraying machine, which comprises a conveying pipe used for conveying cold flame materials, a plurality of independent heating modules are sleeved on the outer surface of the conveying pipe, each heating module comprises a ceramic sleeve, a heating coil wound on the ceramic sleeve and a wiring terminal connected on the heating coil, and the ceramic sleeve is sleeved on the wiring terminal. And a ceramic space ring is arranged between the ceramic sleeves of the adjacent heating modules. Annular partition plates extending outwards in the radial direction are arranged at the left end and the right end of the ceramic sleeve, fixing columns are arranged on the outer side faces of the annular partition plates, and fixing holes capable of being matched with the corresponding fixing columns in an inserted mode are formed in the left side face and the right side face of the ceramic space ring. The device has the advantages of being more efficient, economical, reliable and higher in adaptability.

The present application relates to a kind of cold fireworks machine, it includes: frame and setting in frame blanking mechanism, heating device, feeding mechanism, injection mechanism, driving mechanism and control component;Heating device includes ceramic tube, heating wire and power plug, ceramic tube is sleeved in the outer periphery of feeding mechanism, ceramic tube includes outer peripheral wall, inner peripheral wall and the tube wall thickness part between outer peripheral wall and inner peripheral wall, multiple axial through heating holes are arranged in tube wall thickness part, multiple heating holes are evenly spaced along the circumferential direction of ceramic tube, heating wire is sequentially arranged in multiple heating holes, to be arranged at the periphery of inner peripheral wall.The present application is arranged by multiple axial through heating holes in ceramic tube, and heating wire is sequentially arranged in multiple heating holes, to form the effect that heating wire is evenly arranged in the periphery of inner peripheral wall in large area, not only can improve heating efficiency, and cost can be greatly reduced relative to the mode of heating coil.

The invention discloses an environment-friendly mechanical sound effect firecracker simulation device, and relates to the technical field of firecracker simulation devices.The environment-friendly mechanical sound effect firecracker simulation device comprises two supporting columns, a rolling assembly is arranged between the two supporting columns, and a driving assembly is arranged in one supporting column; the two side baffles are symmetrically installed outside the supporting column, and the opposite sides of the two side baffles are provided with feeding assemblies used for pushing rectangular balloons; wherein the feeding assembly comprises a second magnetic attraction block, the second magnetic attraction block is connected with the side baffle through a sliding assembly, a U-shaped linkage plate is arranged outside the second magnetic attraction block, and a plurality of rotating balls are symmetrically connected to the U-shaped linkage plate in a sliding mode. According to the invention, a sound production mode of mechanically rolling the inflatable balloon is adopted. A precisely-designed rubber wheel set rolling system is matched with precise control of a servo motor, and the cracking sound effect similar to that of a traditional firecracker is achieved. Potential safety hazards such as open fire and explosion are fundamentally eliminated, and meanwhile harmful gas and solid waste pollution generated by gunpowder combustion are avoided.

The present application relates to electronic firecracker technical field, specifically refers to a kind of high simulation firecracker;Including box, lifting device, firecracker assembly, simulation device and electric control device are arranged in the box, the upper end surface of box is equipped with cover, the lower end of lifting device is fixedly connected with box, the upper end of lifting device is fixedly connected with cover;The upper end of firecracker assembly is fixedly connected with cover, and the lower end of firecracker assembly is equipped with trigger switch;It further includes a firecracker device, and the electric control device is connected with lifting device, firecracker assembly, simulation device and trigger switch respectively by circuit, and the firecracker device cooperates with trigger switch to start firecracker assembly and simulation device work;The present application has reasonable structure, and firecracker device triggers proximity switch to open electric control device, produces flash, explosion sound, smoke and paper, and second elevator drives storage bag and simulation assembly to rise, so that firecracker assembly shortens until the bottom of cover, can effectively simulate the scene effect when real firecracker is set off, improve the entertainment and authenticity of simulation firecracker.

The utility model discloses a cold firework spraying machine capable of spraying continuously. Comprising a feeding pipeline, a feeding device for adding a cold flame material into the feeding pipeline, a pushing device for pushing the cold flame material in the feeding pipeline forwards, a heating system for heating and igniting the cold flame material in the feeding pipeline, and an eruption device for erupting the heated and ignited cold flame material out, the tail end of the spray pipe is connected with a fan and an air supply device, a cold flame connector used for being connected with a feeding pipeline is arranged on the side wall of the spray pipe, the feeding pipeline is connected to the cold flame connector, a decoration spraying opening is formed in the head end of the spray pipe, and the air supply device comprises at least two compressed air supply systems capable of supplying compressed air in turn. And the same gas distribution valve is connected between the output end of each compressed gas supply system and the tail end of the spray pipe. The device has the advantages of continuous and stable gas supply and continuous injection.

The utility model discloses a spraying decoration machine, a first protective cover can rotate, a discharging pipe is opened during spraying, and the protection grade of the spraying decoration machine is improved. According to the technical scheme, the spraying decoration machine comprises a machine base, the discharging pipe is arranged on the machine base, a spraying decoration supply unit is arranged in the machine base, and the spraying decoration supply unit is connected with the discharging pipe; a first driving part is arranged on the machine base, a first protective cover is arranged at the output end of the first driving part, and the first driving part drives the first protective cover to rotate so that the first protective cover can cover or open a pipe opening of the discharging pipe.

The utility model provides a wall-mounted double-roller balloon extruding and exploding machine and a roller used for the same. The balloon extruding and exploding machine comprises a mounting frame, a plurality of rollers and a driving device, the driving tooth roller and the driven tooth roller are arranged on the mounting frame side by side, the driving tooth roller can rotate around the axial direction relative to the mounting frame, and gear teeth which are meshed with each other are arranged between the peripheral surfaces of the driving tooth roller and the driven tooth roller, so that the driving tooth roller drives the driven tooth roller to synchronously rotate; and the suction cup mechanism is connected to the mounting frame and comprises a suction cup adsorbed on a plane. The balloon extrusion explosion machine provided by the utility model is convenient to use and good in extrusion effect.

The utility model relates to the technical field of fireworks, and discloses a handheld fine-safety cracker structure which comprises a barrel, the barrel is composed of a tail barrel, a middle barrel and a head barrel, a driven part used for igniting gunpowder is arranged in the middle barrel, a control mechanism used for controlling the driven part is arranged on the middle barrel, and the head barrel is connected with the tail barrel. According to the handheld fine-safety cracker structure, through the arrangement of the driven part, when gunpowder needs to be added into the middle barrel, the middle barrel and the head barrel are detached, the L-shaped abutting rod does not abut against the head barrel any more, then the L-shaped abutting rod cannot apply thrust to the bearing block, the bearing block can be fixed, and the gunpowder can be added into the middle barrel, so that the gunpowder can be added into the middle barrel, and the safety of the cracker structure is improved. Under the action of the elastic piece, the bearing block drives the flintstone to move towards the side away from the friction wheel, so that the flintstone does not make contact with the friction wheel, safety during gunpowder filling is guaranteed, accidental gunpowder ignition and danger are avoided, meanwhile, secondary use can be achieved, and resource waste is avoided.

This invention provides an air explosion device, comprising an explosive body, which is a hollow cylinder with an explosion port at the top. Protruding rings are fixed to the inner walls of the top and bottom of the explosive body. A sliding shaft assembly is installed inside the explosive body, and a central shaft assembly is enclosed within the sliding shaft assembly. A tail plate is fixed to the top of the central shaft assembly, and the bottom of the central shaft assembly is fixed to the bottom of the explosive body. The explosive body, central shaft assembly, tail plate, and sliding shaft assembly together form an air chamber structure. Compared to existing technologies, the explosive body can store compressed air, which can be released instantaneously through the movement of the sliding shaft, generating an explosion sound and shock wave. It can be used as a bird deterrent, a salute cannon, a seismic air gun, a blockage clearer, a blasting device, a drum, or other products that use compressed air to generate an explosion sound or impact force. It is not only safe and environmentally friendly but also more effective. Colored paper, water, or colored smoke can also be added inside the explosive cylinder to enhance the effect.

The invention provides a balloon extrusion explosion machine. The balloon extrusion explosion machine comprises a mounting frame; each pair of extrusion rollers comprises a first tooth roller and a second tooth roller; each of the first tooth roller and the second tooth roller comprises a roller and end parts at the upper end and the lower end; a tensioning part; a feeding hole belt; all the first tooth rollers and / or all the second tooth rollers horizontally bypass the same feeding hole belt at the end part of the same end, and the other end of the feeding hole belt horizontally bypasses the corresponding tensioning part of the corresponding end; push-and-pull protruding columns which are matched with the perforation interval of the feeding hole belt and extend outwards and containing holes which are concave inwards are arranged on the peripheral faces of the two ends of the first tooth roller and / or the second tooth roller at intervals in the circumferential direction, so that the feeding hole belt is driven to rotate synchronously when the first tooth roller and the second tooth roller rotate. The positions, corresponding to the two ends, of the inner side face, close to the corresponding first tooth roller or second tooth roller, of the feeding plate are provided with buckling parts which extend inwards, can be buckled to the penetrating holes of the feeding hole belt, penetrate through the penetrating holes and then stretch into the containing holes. The balloon extrusion explosion machine provided by the invention is convenient to use.

A modular pyrotechnic launch unit includes a launch module, a first module, and a second module. The launch module includes a launch barrel. The first module is coupled in series to the launch module. The first module includes a first ignition state in which the first module ignites a pyrotechnic element that will then pass through the launch barrel. The first module also includes a first pass-through state in which the first module allows a pyrotechnic element ignited by another module to pass through the first module. The second module is coupled in series to the first module. The second module includes a second ignition state in which the second module ignites a pyrotechnic element that will then pass through the first module and through the launch barrel.

The utility model is applicable to the technical field of entertainment tools, and provides a candy colored ribbon, which comprises a shell filled with a throwing object, when the two ends of the shell are stressed and pulled, the shell is stressed and divided into two sections, the throwing object respectively enters the two sections of the shell, the two ends of the shell are provided with handheld parts, and the handheld parts are connected with the shell. The middle section of the shell is provided with an easy-to-open line convenient for separating the shell, so that the interestingness of the device is increased, the structure of the ejection flower cavity is simplified, and the manufacturing cost of the device is reduced by arranging the ejection flower cavity into a manual throwing structure and arranging the shell into a candy structure.

The utility model discloses a cold firework spraying machine capable of rotating by 360 degrees, which comprises a box body, a feeding pipeline is fixedly connected in the box body, the tail end of the feeding pipeline is connected with an air blowing device, the side wall of the feeding pipeline is connected with a feeding device, the box body is further rotatably connected with a rotating sleeve, and the rotating sleeve is connected with the air blowing device. The head end of the feeding pipeline is inserted into one end of the rotating sleeve, the feeding pipeline and the rotating sleeve can rotate relatively, a spraying pipe is arranged at the other end of the rotating sleeve, one end of the spraying pipe is inserted into the rotating sleeve, a spraying opening is formed in the other end of the spraying pipe, and a driving device used for driving the rotating sleeve to rotate is arranged between the rotating sleeve and the box body. The cold firework spraying device has the advantages that 360-degree rotary spraying of cold fireworks can be achieved, and the spraying effect is more gorgeous.

A numerical control electronic ignition circuit belongs to the technical field of electronic circuits. A conventional numerical control electronic ignition circuit needs to occupy four IO ports of a microprocessor, and in some working occasions (such as electronic fireworks and oxygen blasting), one microprocessor needs to control N ignition channels at the same time, so that a microprocessor with not less than 4N IO ports needs to be used. According to the invention, a capacitor charging circuit, a capacitor discharging circuit and an ignition resistor circuit are detected and integrated in one IO-A port, and an ignition control IO-B port is added, so that only two IO ports are needed, N ignition channels are controlled to have 2N IO ports, and the requirement on microprocessor resources can be reduced.

The utility model discloses a combustible powder cold light firework effect generating device which comprises a powder storage device and further comprises a heating body, a heating cavity of the heating body is provided with a powder channel, and the powder channel is provided with a wind power assembly for supplying air into the powder channel. The powder channel is provided with a high-temperature friction heat generating mechanism for enabling the combustible powder to collide with the inner wall of the powder channel; the combustible powder in the powder storage device passes through the powder channel based on wind power to be heated and ignited. When combustible powder flows in a powder channel provided with a high-temperature friction heat generating mechanism based on wind power, powder particle flow performs reversing motion, so that the friction coefficient and normal pressure between powder particles and the wall of the channel are greatly increased, and local high-temperature friction heat is generated. Therefore, the heating body only needs to provide a relatively low heating temperature, the combustible particles can be reliably ignited to be sprayed out under the cooperation of local high-temperature friction heat, and the cold light firework effect formed by the star body effect of combustible powder combustion is achieved.

The invention relates to the technical field of cold firework eruption equipment, in particular to a discharging mechanism of cold firework instant eruption equipment and eruption equipment. The discharging mechanism comprises a hopper, a feeding mechanism and a discharging mechanism, the feeding end of the feeding pipe is connected with the discharging opening through a metal powder falling channel. The switch device is arranged at the metal powder falling channel; the switch device comprises a driving mechanism, a rotating shaft driven by the driving mechanism, and a cover plate fixedly connected with the rotating shaft; the driving mechanism is used for driving the rotating shaft to rotate so as to drive the cover plate to be switched between the closing position where the cover plate covers the discharging opening and the opening position where the cover plate leaves the discharging opening. The problem that in the prior art, horizontal sliding of the cover plate relative to the discharging port is converted into rotating motion, sliding friction force is used for solving the problem that the cover plate is abraded fast, and the problem that in the prior art, due to the fact that a motion gap exists between the cover plate and the discharging port, metal powder is blocked in the gap, and the gap is prone to being stuck is solved.

The utility model relates to a handheld electronic saluting gun, which comprises a gun barrel (1), a gas storage and injection device (2), a nozzle (3) and an igniter (4), a drainage chamber (11), a mixed explosion chamber (12) and a plurality of stages of detonation chambers (13) are arranged in the gun barrel (1), a gas outlet of the gas storage and injection device (2) is connected with the nozzle (3), a gas nozzle of the nozzle (3) faces the direction of the mixed explosion chamber (12), a drainage tube (5) is arranged between the drainage chamber (11) and the mixed explosion chamber (12), and the mixed explosion chamber (12) is connected with the igniter (4). An ignition head (41) of the igniter (4) is arranged in the mixed explosion chamber (12), partition plates (15) are arranged in the gun barrel (1), and detonation holes (16) with the area larger than that of the first level are formed in the partition plates respectively. The hand-held chirp is suitable for being held by a hand, the chirp is more flexible and convenient, the festive atmosphere of wedding or celebrations can be increased, and the entertainment and interestingness are better. The gas cylinder is used for inflation or directly serves as a gas source, repeated use and continuous buzzing can be achieved, and safety and environment friendliness are achieved.

The utility model discloses a contact ignition combustible powder cold light firework effect generating device which comprises a powder channel provided with an eruption opening, heating pieces are distributed in the powder channel, and the heating pieces are resistance heating pieces. The powder storage device is used for feeding combustible powder into the powder channel; the wind power assembly is used for inputting airflow into the powder channel; the combustible powder carried by the airflow is in contact with the heating piece when passing through the powder channel, is ignited and is sprayed out from the spraying opening. The combustible powder is directly contacted with the heating body to be ignited, so that the heat transfer link is saved, the energy consumption is effectively reduced, and a necessary ignition component in the prior art is omitted; and preheating or a plasma generator, a pressure fuel assembly and the like are not needed, so that the device is relatively simple in structure, and product miniaturization is facilitated.

This utility model belongs to the field of celebratory fireworks technology, specifically relating to a meteor shower charging cage and charging device. The charging cage includes a cage frame, the sides and bottom of which are divided into multiple discharge areas. Several dividing strips are evenly welded to each discharge area, forming a long, narrow discharge slit between adjacent dividing strips. The length of the discharge slit is at least twice its width. The charging cage of this utility model includes a cage frame, with its sides and bottom divided into multiple discharge areas. Several dividing strips are evenly welded to each discharge area, forming a discharge slit between adjacent dividing strips. When heated iron filings rotate, they are thrown out from each discharge area, and the discharge occurs through the narrow discharge slit between two dividing strips. The resulting sparks are sheet-like, creating a stronger visual impact and better aesthetics.

A numerical control electronic ignition circuit belongs to the technical field of electronic circuits. A conventional numerical control electronic ignition circuit needs to occupy four IO ports of a microprocessor, and in some working occasions (such as electronic fireworks and oxygen blasting), one microprocessor needs to control N ignition channels at the same time, so that a microprocessor with not less than 4N IO ports needs to be used. According to the utility model, the capacitor charging circuit, the capacitor discharging circuit and the ignition resistor circuit detection are integrated on one IO-A port, and an ignition control IO-B port is added, so that only two IO ports are needed, N ignition channels are controlled to have 2N IO ports, and the requirement on microprocessor resources can be reduced.

The utility model discloses a fan-shaped bead-spitting firework combined structure assembled with a setting-off supporting component. The structure is characterized in that the structure is formed by combining at least one configuration plate assembly body of a modular structure; the configuration plate assembly body comprises at least two single bead-spitting firework bodies or / and at least two bead-spitting firework combination body units or / and at least two spraying firework effect barrels which are arranged and connected to form a bead-spitting firework configuration integrated setting-off assembly of a fan-shaped combination structure. The setting-off supporting component is connected with the bottom of the bead-spitting firework configuration integrated setting-off assembly, the setting-off supporting component comprises a base supporting plate and a supporting clamp structure connected to the base supporting plate, and the bead-spitting firework configuration integrated setting-off assembly and the setting-off supporting component are connected into a setting-off combination through the supporting clamp structure. The device has the advantages of being simple in structure, convenient to assemble and combine, good in safety performance, capable of overcoming a traditional combined setting-off mode of bead spitting fireworks, capable of achieving modularization, integration and low-cost optimization and the like.

The utility model provides a balloon type firework cylinder which comprises an outer cylinder body, an inner cavity is formed in the outer cylinder body, and a base is arranged at the bottom of the outer cylinder body. The inner cylinder body is arranged in the inner cavity of the outer cylinder body, the inner cylinder body is provided with an inner cavity with an opening in the top, and the inner cylinder body comprises a bottom plate and a plurality of side plates movably connected with the bottom plate; the balloon is arranged in an inner cavity of the inner barrel body, and the balloon is connected with the outer barrel body through a traction rope; the ejection mechanism is arranged in an inner cavity of the outer barrel body, is located below the inner barrel body and comprises a driving device and a triggering device, when the triggering device triggers the driving device, the balloon is ejected out of the outer barrel body, the balloon is ejected and lifted off from the firework barrel, and the celebration atmosphere is created; compared with a traditional firework cylinder, the firework cylinder is more stereoscopic and visual tension.

The utility model relates to the technical field of firework devices, in particular to an imitated firework spraying device which comprises a shell, an ignition rod, a motor and a power supply device, the motor is installed at the bottom of the shell, and a friction wheel is arranged on a rotating shaft of the motor; a hole groove is formed in the shell, the ignition rod is placed in the hole groove, and the bottom of the ignition rod abuts against the friction wheel. The bottom of the shell is provided with a nozzle, and the opening height of the nozzle is matched with the height of the contact position of the ignition rod and the friction wheel. The firework device has the advantages that when the firework device is used, the ignition rod is directly placed in the hole groove of the shell and abuts against the friction wheel through the dead weight of the ignition rod, after the motor is started, the friction wheel rubs the ignition rod to generate sparks, and the sparks are jetted out from the nozzle at the bottom of the shell to form the firework effect; the scheme is simple in structure, small in size and convenient for a user to hold and play; and by installing the nozzle, the ignition rod can be prevented from being consumed too fast, the spark spraying time can be prolonged, sparks can be gathered, and the light sensation effect of the fireworks is improved.

A modular pyrotechnic launch unit includes a launch module, a first module, and a second module. The launch module includes a launch barrel. The first module is coupled in series to the launch module. The first module includes a first ignition state in which the first module ignites a pyrotechnic element that will then pass through the launch barrel. The first module also includes a first pass-through state in which the first module allows a pyrotechnic element ignited by another module to pass through the first module. The second module is coupled in series to the first module. The second module includes a second ignition state in which the second module ignites a pyrotechnic element that will then pass through the first module and through the launch barrel.