18 results about "Plug nozzle" patented technology

1. The name of the design product: bottle neck silica gel ring. 2. The use of the design product: used for bottle neck connecting ring, connecting bottle neck and bottle plug nozzle and other accessories. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The utility model provides a radiator sealing test device and a radiator production and processing system. The radiator sealing test device comprises a machine table; the fixing mechanism comprises a product connecting plate; the testing mechanism comprises a sealing air guide assembly, a pressure-maintaining air inlet connector, a plugging connector and a leak detector, the leak detector is externally connected with air supply equipment and is communicated with the pressure-maintaining air inlet connector through the sealing air guide assembly, the pressure-maintaining air inlet connector comprises a first connector body and an air supply nozzle, the air supply nozzle can be communicated with the air inlet end of the radiator to be detected, and the plugging connector is connected with the sealing air guide assembly; the plugging connector comprises a second connector body and a plugging nozzle which are connected with each other. The plugging nozzle can plug the air outlet end of the radiator to be detected. According to the utility model, pressure-maintaining air tightness detection can be carried out on the radiator in a sealed state, and compared with a conventional bubble detection method in the industry at the present stage, the pressure-maintaining air tightness detection device has the advantages of high detection precision, wide application range, high detection efficiency, strong compatibility and the like, and has a wide application prospect in the industry.

The application provides a rotary detonation vector propulsion device based on inner column swing, which comprises a driving rod, a movable combustion chamber inner column, a combustion chamber head and a tail nozzle. The movable combustion chamber inner column comprises a movable combustion chamber inner column front end spherical surface and a movable combustion chamber inner column rear end cylinder; the combustion chamber head comprises an injection structure, a combustion chamber head straight ring plate, a combustion chamber head curved ring plate, a high-temperature-resistant sealing ring and a cooling channel; the tail nozzle is a plug nozzle, which comprises a plug nozzle outer ring and a plug nozzle center cone. The case or the parts fixed on the case are connected with the driving rod front end through a rotary pair, the driving rod rear end is connected with the inside of the movable combustion chamber inner column front end spherical surface through a rotary pair, and the movable combustion chamber inner column front end spherical surface outer wall is matched with the inner wall of the combustion chamber head curved ring plate through a spherical pair. When the device works, the two rotary pairs are respectively driven to rotate by the motor at a certain angular velocity, so that the movable combustion chamber inner column swings and deflects, the rotary detonation wave intensity in the combustion chamber and the gas flow are uneven, and thus the rotary detonation engine generates a vector thrust. The application can be used in the fields of rotary detonation vector propulsion and the like.

The application relates to an additive printing tool head which comprises a mounting body, a first nozzle, a second nozzle and a wire channel; the mounting body is provided with a lifting mechanism, the first nozzle and the second nozzle; the lifting mechanism comprises a lifting motor; the lifting motor is mounted on the first side of the mounting body, and the lifting motor drives the first nozzle to lift; the tool head further comprises a plug nozzle mechanism which comprises a swing rod and a plug nozzle; one end of the swing rod is in transmission connection with the output shaft of the lifting motor, and the other end is provided with the plug nozzle; the plug nozzle is driven by the lifting motor to move and switch between the first nozzle and the second nozzle, so as to block the first nozzle or the second nozzle in a non-working state. The use of the plug nozzle mechanism can block the nozzle in the non-working state, thereby avoiding the accidental overflow of the wire, and improving the printing efficiency and effect.

An exhaust nozzle includes an outer nozzle case having an outer surface and an inner surface, a nozzle plug, and a thrust reverser coupled to the outer nozzle case and including a first thrust reverser panel coupled to the outer nozzle case and an actuator system coupled with the first thrust reverser panel and configured to move the first thrust reverser panel between and including a stored configuration and a reverse-thrust configuration. In the stored configuration, the first thrust reverser panel and a portion of the actuator system provide a portion of an exterior surface of the exhaust nozzle.

The application relates to the technical field of lithium battery manufacturing equipment, and discloses an automatic suction nozzle feeding device, which comprises a base, a positioning unit, a transplanting unit, a feeding unit and a suction nozzle clamping module arranged on the base; the feeding unit comprises a vibrating disc, a direct-shaking feeder and a material taking table which are sequentially connected, and a material groove is sequentially connected between the direct-shaking feeder and the material taking table; the transplanting unit comprises a Y-direction moving module and a Z-direction moving module, the Z-direction moving module is in transmission connection with the suction nozzle clamping module; the suction nozzle clamping module comprises a mounting seat, a plurality of suction nozzle assemblies and an X-direction moving module, each suction nozzle assembly comprises a adapter plate and a clamping jaw, and the mounting seat is further provided with a driving unit for driving the clamping jaw to clamp or release the suction nozzle. Through cooperation of the structures, the suction nozzle can be accurately and automatically placed in a suction nozzle inserting tool, manual work only needs to store the suction nozzle in the vibrating disc, manual intervention and labor cost for placing the suction nozzle are reduced, and the automatic feeding function of the suction nozzle inserting tool is realized.

1. The name of the design product: quick plug nozzle (cleaning machine 1 / 4 type). 2. The use of the design product: for cleaning machine 1 / 4 quick plug nozzle. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model belongs to the technical field of packaging bottles, and discloses a bottle with a breathable cap, which comprises a bottle, a plug nozzle, a support, a breathable film, an inner screw cap and an outer cap, the plug nozzle is sleeved in the bottle, the bottle is screwed with the inner screw cap, the periphery of the inner screw cap is fastened with the outer cap, the support is arranged between the inner screw cap and the plug nozzle, and the breathable film is arranged at the center of the upper end face of the support. The bottle comprises a bottle body, a bottle neck is arranged in the center of the upper end of the bottle body, an outer protruding rotating thread used for being in threaded connection with the inner screw cap is arranged on the outer side face of the bottle neck, and the bottle body is in threaded connection with the inner screw cap through the outer protruding rotating thread. The lower end of the side face of the inner wall of the inner screw cap is provided with an inner concave rotating thread used for being in threaded connection with the outer convex rotating thread, the inner screw cap is in threaded connection with the bottle through the inner concave rotating thread, the periphery of the outer wall of the inner screw cap is provided with a convex buckle ring used for being buckled with the outer cap, and the inner screw cap is buckled with the outer cap through the convex buckle ring. Appropriate exchange of gas inside and outside the bottle is achieved through the breathable film in the center of the upper end of the support, pressure is balanced, and bottle body expansion caused by gas accumulation is effectively prevented.

The patent is a kind of ring cluster plug engine layout scheme fusing multiple unit solid-liquid combustion chamber, which uses liquid propellant supply system to adjust the flow of multiple unit combustion chamber, has thrust regulation, thrust vector and multiple starting ability, and comprises liquid propellant, storage tank, storage tank valve, storage tank pipeline, electric pump, power supply and control module, plug cone, post-pump pipeline, flange, inner nozzle, combustion chamber, solid charge, injector, ignition device, combustion chamber pipeline, combustion chamber pipeline valve and liquid collecting ring. The electric pump, post-pump valve and combustion chamber pipeline valve work cooperatively to adjust the valve opening, change the liquid propellant flow into the combustion chamber, and realize the nozzle thrust regulation; the inner nozzles are uniformly arranged along the plug cone in a ring direction, each inner nozzle corresponds to a combustion chamber and a combustion chamber pipeline, the combustion chamber pipeline valve controls the opening, adjusts the combustion chamber pipeline valve to change the flow field of the plug nozzle engine, generates lateral force, and realizes the engine thrust vector; the liquid propellant is injected into the combustion chamber multiple times, the mixed solid-liquid propellant is ignited by the ignition device, and the nozzle realizes multiple start.

This invention relates to the field of petroleum development technology, and provides a downhole positive pressure self-retrieving hydraulic deblocking system comprising: a high-pressure pump; tubing connected to the high-pressure pump; a drill plug nozzle; and a self-retrieving sand string disposed between the tubing and the drill plug nozzle. The self-retrieving sand string comprises: a central tube, the inner wall of which defines a string cavity, the string cavity being in fluid communication with the tubing and the drill plug nozzle to form at least a portion of a high-pressure fluid flow channel; and an outer wall tube coaxial with and circumferentially surrounding the central tube. This deblocking system removes and cleans the wellbore inner wall using water jet technology, while simultaneously recovering and returning deblocking debris and sand particles through a self-retrieving sand device design, achieving integrated deblocking and sand retrieval operations in horizontal wells. This invention also provides a downhole positive pressure self-retrieving hydraulic deblocking method using this deblocking system.

The utility model discloses a gear box screw plug surface cleaning assembly and a sand blasting machine, the gear box screw plug surface cleaning assembly comprises a bearing platform and a mounting support, a plurality of fixing columns are arranged around the surface of the bearing platform at equal intervals, screw plugs to be cleaned are inserted into the fixing columns through plug nozzles to complete fixation, and the mounting support is provided with an upper row of transverse rods and a lower row of transverse rods. A plurality of cleaning nozzles are sequentially arranged on the upper-row cross rod and the lower-row cross rod, the two rows of cleaning nozzles are sequentially arranged in a crossed mode, the cleaning directions of the two rows of cleaning nozzles are opposite, a crossed cleaning area is formed, and the bearing table is driven to rotate and the two rows of cleaning nozzles are driven to swing up and down through the rotary driving unit and the up-down driving unit respectively. And the surface of the screw plug is cleaned. The cleaning nozzles located on the upper transverse rod and the lower transverse rod deflect up and down to clean the plug screw located on the bearing table, oil stains and dust on the surface of the plug screw are rapidly removed, it is guaranteed that the later sand blasting process is conducted smoothly, and the sand blasting effect and the quality of the follow-up process are improved.

The invention belongs to the field of engine combustion chambers and combustion heater devices, and discloses a composite pintle nozzle and a wide-range efficient combustion method thereof. A double-layer circular tube structure with a closed bottom surface is arranged on the central axis of the combined pintle nozzle, a radial circular seam is arranged between an inner-layer circular tube and an outer-layer circular tube, a central straight hole is formed in the bottom surface of the inner-layer circular tube, and a radial hole is formed in the side wall, close to the bottom surface, of the outer-layer circular tube; a circular seam is further formed in the outer side of the outer-layer circular pipe; oxidizing agents are supplied to the circular seams. According to the wide-range efficient combustion method, the flow of fuel flowing through radial holes and a central straight hole is controlled by a cavitation pipe. According to the composite pintle nozzle and the wide-range efficient combustion method thereof, through an adjusting structure and a fuel supply scheme, the purposes that the flow changes in a larger range, the temperature distribution of a combustion outlet is more uniform, an oxidizing agent reacts more thoroughly, and the combustion efficiency is higher are achieved; the wide-range efficient combustion method is simple, reliable and high in distribution efficiency and has engineering practical value.

A propulsion unit includes a gas turbine engine and an exhaust nozzle coupled to an aft end of the gas turbine engine. The exhaust nozzle is configured to interact with exhaust gases exiting the gas turbine engine in an aft direction. The exhaust nozzle includes an outer nozzle case and an inner plug that cooperate to define an exhaust flow path therebetween. The exhaust nozzle is configured to manipulate the exhaust gases to provide different thrust capabilities for the gas turbine engine. The exhaust nozzle includes a thrust reverser configured to be retained by the inner plug.

The application provides a single-hand operation quick plug nozzle interface and fire extinguisher. The interface comprises: a male connector, a locking part of the male connector is arranged at a plug end away from a valve outlet of the fire extinguisher and can move along a radial direction of the male connector; a female connector, the female connector is sleeved on an inner part of the male connector, and an inner wall of the female connector is provided with a locking part; and a sliding sleeve, the sliding sleeve is sleeved on an outer wall of the male connector and can slide along an axial direction of the male connector. The application can accurately control the radial locking and releasing of the locking part through a single axial push-pull action of the sliding sleeve, and can simplify the double-hand rotating action required by the traditional threaded connection into a single-hand linear action through an intuitive operation mechanism of 'push-pull lock opening', so that an operator can complete the quick connection or disassembly by only using the fingers of the same hand while holding the fire extinguisher or the nozzle with one hand, the response time is significantly shortened in an emergency fire, the operation efficiency is improved, and the pain points of the traditional interface in a tense, dim or narrow space are solved.

The application discloses a binary plug nozzle with a two-stage adjusting plate structure and an adjusting method thereof, and belongs to the technical field of space propulsion systems, and aims to solve the problem of strong coupling of the flow rate and the area ratio of an existing adjusting mechanism. The nozzle comprises a first exhaust passage and a second exhaust passage, and a common plug cone is arranged between the two exhaust passages. An adjusting system is independently arranged in each exhaust passage and comprises a converging adjusting plate and a diverging adjusting plate. The converging adjusting plate is used for adjusting the throat cross-sectional area. In the flow direction, the gas inlet end of the diverging adjusting plate is rotationally connected with the gas outlet end of the converging adjusting plate. The diverging adjusting plate is configured to move in linkage with the converging adjusting plate and can independently rotate around the rotation shaft of the gas inlet end of the diverging adjusting plate relative to the converging adjusting plate, so as to independently adjust the outlet cross-sectional area. The application realizes mechanical decoupling of the flow rate and the nozzle area ratio, and improves the wide-working-condition propulsion efficiency and the thrust vector control capability.

The present disclosure provides a coffee pressurizing valve and a moka pot; the coffee pressurizing valve has a liquid passing channel formed in a pressurizing valve assembly; a pressurizing plug nozzle is installed on the pressurizing valve assembly and is arranged at the entrance of the liquid passing channel; a guide structure and a sealing matching structure are formed on the inner surface of the liquid passing channel, and the sealing matching structure is coaxially arranged with the guide structure; a counterweight sealing plug is movably arranged in the liquid passing channel and is adapted to the guide structure to make the moving direction of the counterweight sealing plug consistent with the extension direction of the guide structure; a liquid seepage gap is formed between the outer surface of the counterweight sealing plug and the inner surface of the liquid passing channel, the liquid seepage gap is communicated with the outlet of the liquid passing channel, the counterweight sealing plug can stably descend along the extension direction of the guide structure under the action of gravity, or the counterweight sealing plug can stably ascend along the extension direction of the guide structure under the action of the coffee liquid pressure, and the counterweight sealing plug is less likely to be deformed and skewed by the impact of the coffee liquid.

This invention discloses a plug-type nozzle applicable to supersonic passenger aircraft and its parametric design method, belonging to the field of aero-engine tail nozzle design. The nozzle includes a plug cone, a nozzle cylinder fitted around the plug cone, and an actuating rod controlling the axial position of the plug cone. The plug cone includes a converging section and an expanding section connected axially. The expanding section constitutes the core expansion profile of the nozzle, generated by a parametric curve equation controlled by multiple sets of independent geometric parameters. These geometric parameters include at least a diameter parameter controlling the radial dimension of the profile, an exit section parameter controlling the exit state of the profile, and shape parameters independently controlling the geometric features of the profile. This invention resolves the contradiction between design freedom and wide-range performance in existing technologies.

The utility model discloses a spray nozzle for an electrostatic spray gun, which comprises a rear joint connected with a spray gun head, the rear joint is in threaded connection with a middle connecting part, the middle connecting part is connected with a front spray nozzle head, a funnel through groove is arranged in the middle connecting part, a spray nozzle through groove communicated with the funnel through groove is arranged in the front spray nozzle head, and the spray nozzle through groove is communicated with the funnel through groove. A detachable filter screen is installed at the connecting position of the middle connecting part and the rear connector, a fastening retaining ring is installed on the front nozzle head, and the fastening retaining ring enables the front nozzle head to be detachably installed on the middle connecting part, so that the middle connecting part and the front nozzle head can be separated from each other, and when the electrostatic spray gun is used, inner caked large particles can be filtered conveniently. And meanwhile, the nozzle is integrally connected in a separable manner, so that the nozzle is conveniently separated section by section and cleaned section by section, the spraying transmitting end of the electrostatic spraying gun is timely cleaned and maintained, and the use effect of multiple spraying of the electrostatic spraying gun is effectively improved.