13results about How to "Convenient screw connection" patented technology

The utility model provides a kind of adjustable food wringer, including outer cup body, inner cup body, lid, pressing plate, screw knob and elastic member;Multiple drainage holes are arranged at the bottom of inner cup body, inner cup body is sleeved in outer cup body, so that the liquid storage cavity is formed between the outer bottom wall of inner cup body and the inner bottom wall of outer cup body;Lid is detachably connected at the cup mouth of outer cup body;Threaded hole is provided in lid, screw knob is threadedly connected in threaded hole;The upper end of elastic member is connected with screw knob, and the lower end of elastic member is connected with the upper surface of pressing plate, so that pressing plate forms pressing on food placed in inner cup body by vertical movement of screw knob and elastic member;It is more stable to extrude, stress is uniform, and efficiency is higher.

The utility model discloses a sewage waste solid-liquid separation device, which relates to the technical field of sewage treatment and comprises a water inlet hopper, and a solid-liquid separation box is fixedly mounted on the lower surface of the water inlet hopper. According to the sewage waste solid-liquid separation device, sewage enters the box body through a water inlet hopper, solid waste is filtered through a filter plate, water is filtered to the position below the filter plate through a through hole, solid and liquid are separated, a servo motor is started to drive a threaded rod to rotate, and therefore a pressing plate is driven to move downwards; when a pressing plate moves to be connected with a connecting rod, a first bevel gear is driven to be in meshed connection with a second bevel gear, and the second bevel gear, the first bevel gear and a lead screw are driven to rotate through a threaded rod and the connecting rod; and a lead screw drives a moving block to move so as to drive a scraping plate to move, so that separated solid waste is conveniently pushed into the solid storage tank, and cleaning is convenient.

The utility model relates to the technical field of chemical experiments, in particular to a magnetic stirrer with a noise reduction function, and solves the problems that when a magnetic stirrer in the prior art stirs a solution in a container, the liquid in the container is in a rotational flow shape, so that the container is stressed, and when the solution needs to be stirred at a high speed, the container is not stressed. The problems that in the prior art, due to the fact that the liquid stress is large, the rotational flow speed is too high, the container stress is large, vibration occurs, noise is large, position deviation is caused, and stirring is affected are solved. The utility model discloses a magnetic stirrer with a noise reduction function. The magnetic stirrer comprises a stirrer body, a stirring container arranged at the top of the stirrer body and a plurality of adjusting blocks arranged around the stirring container, according to the utility model, multi-point supporting and limiting are formed outside the stirring container through the plurality of limiting arc plates, so that the position deviation and vibration of the stirring container are avoided, the generation of noise is further avoided, and meanwhile, the stirring production quality is improved.

The invention relates to a high-yield compact deuterium-deuterium neutron generator, which belongs to the technical field of accelerator neutron sources, and mainly comprises an ion source part, a cavity part, a target body part, and a vacuum-pumping system, a high-voltage feed-in system, a radio frequency system, a cooling system and a gas supply system which are matched with the ion source part, the cavity part and the target body part, the gas supply system introduces reaction gas into the ion source, the ion source ionizes the gas through the radio frequency system to generate ion beams, the target body part leads out the ion beams through the high-voltage system, accelerates the ion beams and then bombards the ion beams onto the target, deuterium-deuterium fusion reaction is carried out, and neutrons are generated. According to the device, an inductively coupled plasma source serves as a single ion source, a high-voltage feed-in line is soaked in a flowing insulating medium, a titanium adsorption target with a copper substrate is adopted, the neutron yield can reach # imgabs0 # or above, and the device has the advantages of being low in energy consumption, high in neutron yield, compact in structure and the like.

This utility model relates to the technical field of drip irrigation devices, specifically to a drip irrigation device for high-yield wheat cultivation. It includes an external pipe and a main pipe. A filter section is located at one end of the main pipe, within the external pipe. Equally spaced pipe assemblies and an external filter pipe are fixedly connected to the outside of the main pipe. A delivery branch pipe connects the external filter pipe and the main pipe. A filter screen is fitted onto the surface of the filter section. An extension section and a flow guide section are located at the connection point between the external pipe and the main pipe. Through holes are formed on the surface of the filter section. The external pipe facilitates threaded connection between the entire device and external liquid supply equipment. The flow guide section concentrates and directs the input external liquid. The extension section ensures proper flow of the liquid through the through holes. The filter screen filters the input external liquid. The through holes facilitate the entry of the filtered external liquid into the main pipe.

The hydraulic ball receiving and serving platform truck comprises a bottom frame and a push rod, the top of the bottom frame is fixedly connected with a connecting frame, the inner side of the bottom frame is movably connected with a first adjusting frame and a second adjusting frame in a sleeved mode, and the second adjusting frame is located on the inner side of the first adjusting frame. The position, close to the bottom of one side, of the inner side of the second adjusting frame and the position, close to the middle of one side, of the inner side of the first adjusting frame are movably sleeved with lifting hydraulic cylinders, and the tops, away from the center, of the second adjusting frame and the first adjusting frame are movably sleeved with a top frame. A back plate is fixedly connected to the position, close to the other side, of the top of the top frame, and a limiting groove is formed in the middle of the back plate. According to the pipe cleaning device, the fixing piece and the push rods are arranged, the push rods with different lengths are adopted to be connected with the push-pull hydraulic cylinder so as to be matched with the pipe cleaner for operation, the flexibility of the device can be improved, the overall adaptation degree of the device is high, and the overall device is convenient to use.

The utility model discloses a dismounting tool for a moving side assembly of a GIS breaker arc extinguish chamber, comprising an operation board, a fixed support and a plurality of positioning pins, the operation board comprises an axial through center hole, the plurality of positioning pins are fixed on the top surface of the operation board and are uniformly distributed along the circumferential direction of the operation board; the top end of the fixing support is connected with the bottom face of the operation board. The fixing support of the disassembling and assembling jig is fixed on the workbench, the operation board is in a horizontal state, and the receiving disc of the movable side assembly is placed on the top face of the operation board. And after being circumferentially positioned by the positioning pin on the top surface of the operating panel, the connecting hole on the connecting disc can be conveniently in threaded connection with a connecting rod or a contact seat, and a rated torque is achieved.

The utility model relates to the technical field of food processing, in particular to an automatic start-stop mechanism with a pure mechanical structure. According to the technical scheme, the automatic starting and stopping mechanism of the pure mechanical structure comprises a connector, connecting pipes, a pressing plate and a one-way valve, the connecting pipes are arranged at the two ends of the one-way valve, sealing end plates are arranged at the tail ends of the connecting pipes, the pressing plate is installed on the connecting pipes, the pressing plate is elastically connected with the connector through a spring, and the connector is connected with the one-way valve. A connecting groove is formed in the inner side of the connector, and the connector is fixedly connected with a pipeline through the connecting groove. The sealing device has the advantages of being simple in structure, reliable in performance, high in automation degree, excellent in sealing performance, firm and durable in structure, wide in applicability and the like, has important significance in improving the efficiency of equipment, reducing energy consumption and guaranteeing the stability of the system, and is mechanical equipment with wide application prospects.

The application discloses a garden shovel for garden engineering, and relates to the technical field of garden maintenance, which comprises a shovel handle, a shovel head arranged on the shovel handle, an extension handle arranged at one end of the shovel handle away from the shovel head, a threaded end arranged at one end of the shovel handle away from the shovel head, a threaded hole arranged at one end of the extension handle close to the shovel handle and threadedly connected with the threaded end, a fixing sleeve arranged on the shovel handle, the end of the shovel handle connected with the extension handle being sleeved in the fixing sleeve, the side walls of the shovel handle and the extension handle being attached to the inner side wall of the fixing sleeve, a blocking plate arranged on the shovel handle and attached to the fixing sleeve, and a fixing plate arranged at one end of the extension handle close to the shovel handle and attached to the fixing sleeve. The cooperation relationship between the threaded end and the threaded hole is controlled, the connection relationship between the shovel handle and the extension handle is changed, and the type of the garden shovel is adjusted, so that different types of garden shovels are directly replaced, and the problem of inconvenience in carrying multiple garden shovels is solved.

The utility model relates to the technical field of motor end covers, in particular to a vibration reduction end cover of a motor, which comprises a motor shell, a motor rotor is arranged on the surface of the motor shell, an end cover body is fixedly mounted on the surface of the motor shell, and a fixing seat is fixedly connected onto the surface of the motor shell. A movable plate is rotationally connected to the surface of the fixed seat, a limiting plate is fixedly connected to the surface of the movable plate, and a fixed plate is fixedly connected to the surface of the end cover body. The movable plate is rotated on the fixed seat, so that the limiting plate is clamped and connected to the clamping groove of the fixed plate, and then the first bolt penetrates through the circular hole of the fixed plate, so that the first bolt is in threaded connection to the threaded groove of the limiting plate; the movable plate and the limiting plate limit the position of the end cover body on the motor shell through the fixed plate, so that the phenomenon that the end cover body vibrates on the motor shell is avoided, and noise is avoided.

The utility model provides a special tool for hoisting a piston head, which comprises a first arc-shaped hoop and a second arc-shaped hoop which are arranged in pairs, first lug plates are symmetrically arranged at the opening end of the first arc-shaped hoop, and second lug plates are symmetrically arranged at the opening end of the second arc-shaped hoop; the first arc-shaped hoop and the second arc-shaped hoop are clamped outside the piston head and are fixedly connected through a bolt assembly; a first hoisting rod is fixed on the outer wall of the arc-shaped middle part of the first arc-shaped hoop, and a second hoisting rod is fixed on the outer wall of the arc-shaped middle part of the second arc-shaped hoop. The hoisting tool is suitable for accurate and safe hoisting in the surfacing process of the corrosion-resistant nickel-chromium alloy material of the piston head of the large-cylinder-diameter diesel engine by adopting a welding robot, so that high-efficiency batch production is facilitated; and the piston head can be conveniently and safely lifted by a lifting worker, and the piston head is prevented from falling off in the process of using a magnet to lift due to overhigh surfacing temperature.

The invention discloses a positioning tool for assembling a hard tube endoscope, and belongs to the technical field of optical lens processing devices.The positioning tool comprises a bottom plate, conveying guide rails are integrally formed and connected to the two sides of the top end of the bottom plate, sliding blocks fixed to pushing air cylinders are movably connected to the conveying guide rails, and the pushing air cylinders are symmetrically arranged with the bottom plate as the center; the eyepiece clamping and docking mechanism comprises a first rack arranged on the sliding block, a first motor is installed on the first rack, an output shaft of the first motor extends to first rotating teeth on the inner wall of the first cover body, and the first cover body is fixedly connected with a shell of the first motor through a first rotating rod. The technical problems that during manual assembly, the working efficiency is low, and during machine assembly, a single-shape clamping mechanism cannot be used for effective limiting and fixing and cannot be used for adaptive clamping according to the shape of an assembly, so that the follow-up assembly work is affected can be solved.

The utility model provides a graphite drying kiln, and belongs to the technical field of graphite drying. The graphite drying kiln comprises a main body and a processing mechanism, the main body comprises a kiln body, a connecting pipe is installed on one side of the inner wall of the kiln body, an air inlet pipe is installed on the side, close to the outer portion of the connecting pipe, of the kiln body, the air inlet pipe communicates with the connecting pipe, a mounting plate is movably arranged in the kiln body, and a pair of supporting plates is installed at the upper end of the mounting plate; a connecting sleeve and a mounting seat are rotationally connected to the interiors of the pair of supporting plates through bearings correspondingly, a box body is mounted between the connecting sleeve and the mounting seat, the interior of the connecting sleeve is attached to the exterior of the connecting pipe, and a material opening is formed in one side of the exterior of the box body; a plurality of mounting rings are arranged in the exhaust pipe, an activated carbon adsorption plate is mounted in the center of the interior of each mounting ring, and by means of the drying device, hot air can be effectively and directly fed into the box body, and gas generated in the drying process can be treated.