12results about How to "Fast injection" patented technology

The application belongs to the technical field of medical devices, and particularly relates to an injection mechanism for emergency treatment, which comprises a syringe and an open-box body, the syringe comprises a barrel, a needle plug and a needle, the needle plug is arranged in the barrel, the needle is installed on the barrel, a first clamping mechanism for limiting the relative movement of the needle plug relative to the barrel is installed on the barrel, the free end of the first clamping mechanism is clamped on the needle plug, a sliding seat is slidably installed in the open-box body, an installation groove is formed in the sliding seat, the barrel of the syringe is inserted into the installation groove, a first compression spring is installed below the sliding seat in the open-box body, a second clamping mechanism is installed on the open-box body, the free end of the second clamping mechanism is clamped on the sliding seat, a cover is further installed on the open-box body, and the cover is in transmission connection with the second clamping mechanism. The purpose is to solve the problem of low efficiency caused by the structural defects of the existing injection mechanism.

The utility model provides an assembly type high-pressure cleaning machine which comprises an installation frame, a water bucket is arranged on the top of the installation frame, a booster pump is arranged on the right side of the water bucket, and the bottom of the booster pump is fixedly connected with the top of the installation frame. The bottom of the water bucket fixedly communicates with a first connecting pipe, the other side of the first connecting pipe fixedly communicates with the input end of a booster pump, the output end of the booster pump fixedly communicates with a water conveying pipe, the side, away from the booster pump, of the water conveying pipe fixedly communicates with a three-way pipe, and the interior of the three-way pipe is rotationally connected with a hollow column. The bottom of the hollow column communicates with the interior of the conveying pipe through a three-way pipe. By arranging the mounting frame, the water bucket, the booster pump, the first connecting pipe, the water conveying pipe, the three-way pipe, the hollow column, the winding disc, the hose, the rotating frame, the anti-rotating structure and the spraying structure, the problems that an existing high-pressure cleaning machine cannot adapt to multi-scene application and is poor in stability are solved.

The utility model discloses an atomization device. The atomization device comprises a shell, an atomization main machine, a suction nozzle and a sealing piece. The atomization main machine comprises a liquid storage space with an open end and an atomization assembly with an atomization channel; the sealing piece is provided with an air outlet channel connected with the atomization channel in a sealed mode and a liquid injection channel communicated with the liquid storage space. The shell comprises a main body part installed in the main body part and a connecting part. The connecting part at least partially abuts against the side, back on to the atomization main machine, of the sealing piece so that the sealing piece can seal the open end, and an installation space is formed in one side of the sealing piece. The suction nozzle is detachably installed in the installation space and comprises a suction channel communicated with the outside. When the suction nozzle is installed in the installation space, the suction channel is connected with the air outlet channel in a sealed mode, and the suction nozzle seals the liquid injection opening of the liquid injection channel. When liquid injection is needed, the suction nozzle is taken down, and the liquid injection channel is opened, so that liquid injection can be quickly carried out; after liquid injection is completed, the suction nozzle can be installed, the liquid injection channel is closed again, and the liquid injection device has the advantages of being high in liquid injection speed, good in sealing performance and the like.

The application belongs to the technical field of organic electroluminescence, and discloses a compound, a composition containing the compound and a light-emitting device thereof. The compound has a structure shown in the following formula (1) or formula (2): formula (1); formula (2); wherein Y is selected from O or S; X1-X5 are each independently selected from CR0 or N. The compound has a suitable HOMO energy level, is beneficial to the injection of holes, can reduce the accumulation of holes at the interface of a light-emitting layer when the compound is used as a host material of an organic electroluminescence device, thereby significantly reducing the driving voltage of the device, balancing the transport of holes and electrons, and being beneficial to improving the light-emitting efficiency and service life of the device.

The utility model discloses a compression-resistant irrigation and drainage pile for farm irrigation and emergency drainage, and belongs to the technical field of farm irrigation, the compression-resistant irrigation and drainage pile comprises a pile body with the bottom buried in a farmland soil body and a water pipe, an annular connecting disc is coaxially arranged at the bottom of the pile body, the connecting disc is detachably connected with the water pipe, a connecting port is formed in the side wall of the pile body, and the connecting port is connected with the pile body. The connector is communicated with a water pipe; a water sealing disc moving vertically is arranged in the pile body, and the peripheral side of the water sealing disc is attached to the inner wall of the pile body. The utility model aims to solve the problem of weak anti-backflow capability caused by incapability of quickly switching irrigation and drainage modes according to working condition requirements due to no active isolation structure in the existing patent.

The utility model relates to the technical field of aluminum bar casting, in particular to an aluminum bar casting forming device which comprises a supporting platform, supporting legs which are symmetrically distributed are fixedly installed on the two sides of the bottom of the supporting platform, a lower die is fixedly installed on the top of the supporting platform, and an upper die is arranged on the top of the lower die. And a supporting shaft is rotationally mounted on one side of the top of the supporting platform. According to the aluminum bar casting forming device, the supporting platform, the supporting legs, the lower mold, the upper mold, the injection nozzle, the fixing plate, the connecting block, the supporting shaft, the first gear, the second gear, the second servo motor and the hydraulic telescopic rod are used in cooperation. In the using period of the whole device, the position of the upper die is adjusted completely by means of the lifting and steering functions of the device in the assembling process of the upper die and the lower die, the upper die can be disassembled and assembled conveniently, external hoisting equipment is not needed, time and labor are saved, and the safety coefficient is high.

A novel vehicle dust sensor relates to the technical field of vehicle sensors and comprises an upper cover, a shell, a base, an air inlet pipe, an exhaust pipe, a PCB (printed circuit board), an inner cover, a light emitting pipe and a light receiving pipe, the shell is arranged below the upper cover, the base is arranged below the shell, the air inlet pipe and the exhaust pipe are respectively arranged at two ends of the base, and the PCB and the inner cover are sequentially arranged between the upper cover and the shell from top to bottom. A light-emitting tube and a light-receiving tube which are electrically connected are arranged below the PCB, the light-emitting tube and the light-receiving tube both extend downwards to penetrate through the inner cover to be arranged in the shell, and a light path area is arranged in the shell. According to the utility model, the air inlet duct and the air outlet duct matched with the light path area are arranged in the base, so that air can be injected into the light path area, and the detection efficiency is improved; through the light emitting tube, the first lens, the light receiving tube and the second lens which are arranged in the light path area in a matched mode, injected air is rapidly detected, the dust concentration in a vehicle is detected through signal changes generated through light refraction, external interference is reduced, and the detection efficiency, data and precision are improved.

This invention relates to the field of tunnel construction technology, and discloses a novel tunnel anchor grouting device, comprising a grouting tank body, a first partition plate on the inner wall of the grouting tank body, a second partition plate below the first partition plate, and a third partition plate below the second partition plate. The first partition plate and the top surface of the inner cavity of the grouting tank body form a piston chamber. The device drives a connecting rod via a piston rod, which in turn drives a wheel via a fixing screw. The wheel drives a wheel shaft to rotate, which in turn drives a drive gear. The drive gear drives a meshing driven gear, which in turn drives a stirring rod. The stirring rod then rapidly agitates the concrete raw materials and water. This transmission eliminates the need for a motor, reducing construction electricity consumption and preventing electrical leakage hazards in seeping tunnels, thus greatly improving the safety of the construction site.

The utility model provides a medical ear canal cleaning device, which relates to the technical field of medical instruments and particularly comprises a base, a flushing head is arranged on one side of the base, two cylinders are arranged inside the base, an infusion cavity and a recovery cavity are arranged on the flushing head, the infusion cavity and the recovery cavity are respectively communicated with the two cylinders, and the infusion cavity and the recovery cavity are communicated with the two cylinders. An inclined through hole plate is fixedly installed on one side of the interior of the flushing head and located in the infusion cavity, and a plurality of water inlet holes are formed in the bottom of the flushing head and located in the outer side of the recovery cavity. The first servo motor drives the auxiliary gear and the threaded rod to rotate, then the piston is driven to move in the barrel, and precise conveying of cleaning liquid and waste liquid recycling are achieved; the diameter of the auxiliary gear on one side of the infusion cavity is smaller than that of the auxiliary gear on one side of the recovery cavity, so that under the same rotating speed, a piston of the infusion cavity is high in moving speed, cleaning liquid can be rapidly injected into the ear canal, a piston of the recovery cavity is relatively low in moving speed, full recovery of waste liquid is guaranteed, and the cleaning efficiency and effect are improved.

This utility model discloses a grain storage container with a nitrogen replacement system. The container includes a nitrogen filling pipe assembly located on at least one inner wall along its length. The assembly comprises multiple horizontally parallel main gas pipes, one end of which is connected to a vertically arranged inlet pipe. Each inlet pipe has an inlet extending outwards from the container for connecting to an external nitrogen filling device to introduce nitrogen into the main gas pipes. Each main gas pipe has multiple downwardly inclined filling pipes connected along its length for insertion into the grain pile for uniform nitrogen filling. This utility model has the advantages of simple and compact structure, ease of manufacturing, uniform and rapid nitrogen filling, convenient and simple maintenance, and good grain preservation and storage effect.

The invention discloses a gravity energy storage system of a wind power tower, a control method of the gravity energy storage system, equipment and a medium, and relates to the technical field of renewable energy source grid connection and mechanical energy storage. The system comprises a tower supporting structure, an energy storage mass module, a traction module, a winding drum-electro-mechanical conversion module, a power conversion and protection module and a monitoring and communication module. The energy storage mass module is suspended on a vertical axis in the tower drum supporting structure through the traction module and is connected with the winding drum-electromechanical conversion module through the traction module, and the winding drum-electromechanical conversion module is arranged at the top of the tower drum supporting structure; and a motor of the winding drum-electro-mechanical conversion module is connected with the traction module. Through the combination of a tower built-in gravity energy storage structure and a rapid control strategy, tower resonance and vibration can be suppressed, the frequency change rate of a power grid is reduced, and the operation stability and reliability of a wind turbine generator and a power system are improved.

This invention relates to the technical field of hydraulic control for injection molding machines, and specifically discloses a hydraulic circuit for an injection system of an injection molding machine, including an oil tank, an injection cylinder, a power oil circuit with a first accumulator, and an injection oil circuit. The injection cylinder has an injection chamber and an injection retraction chamber. The injection oil circuit includes a first cartridge valve installed on one side of the injection chamber and a second cartridge valve installed on one side of the injection retraction chamber. The first cartridge valve is a three-position three-way proportional servo cartridge valve, with its first port connected to the first accumulator, its second port connected to the injection chamber, and its third port connected to the oil tank. The three-position three-way proportional servo cartridge valve has a conducting position that allows the second port to connect to either the first or the third port, and a closing position that cuts off the first, second, and third ports from each other. Utilizing its three-way and adjustable opening size characteristics, the injection system integrates three major functions: injection speed control, holding pressure control, and pre-plasticizing back pressure control, thus saving costs.