8results about How to "Increase return speed" patented technology

This invention discloses a two-phase liquid-cooled heat dissipation device, comprising a heat absorption module, a heat dissipation module, a delivery pipe section, and a return pipe section. The heat absorption module, delivery pipe section, heat dissipation module, and return pipe section are sequentially connected end-to-end to form a closed-loop cavity. A cooling chamber is provided outside the closed-loop cavity within the heat dissipation module, and the heat dissipation module is provided with a cooling connector. A capillary column is provided inside the closed-loop cavity within the heat absorption module. One end face of the capillary column has a first channel recessed therein, and the other end face of the capillary column has a second channel recessed therein. The opening of the first channel faces the return pipe section, and the opening of the second channel faces the delivery pipe section. The distance between the first channel and the inner wall of the closed-loop cavity is greater than the distance between the second channel and the inner wall of the closed-loop cavity. Liquid returns into the capillary column, and through the unidirectional vapor-liquid action of the capillary column, the working fluid flows unidirectionally within the closed-loop cavity, avoiding mutual disturbance between the vapor and the return liquid, improving the flow efficiency of the working fluid, and enhancing the heat dissipation capacity of the device.

The invention discloses an elevator with a self-lubricating chain transmission box, which relates to the technical field of elevator transmission, and comprises a shell, a chain and a lubricating assembly, the lubricating assembly comprises a lubricating box, a chain box, a worm, a worm gear, a chain wheel, a chain groove, an impeller, a liquid storage cavity and a driving motor. The lubricating box is fixed in the shell, a worm and a worm gear are arranged in the lubricating box, the worm gear is meshed with the worm, the worm gear is rotatably connected in the lubricating box, and the worm is fixed on a rotating shaft of the driving motor; the chain box is fixed in the shell and located on one side of the lubricating box, a chain wheel is arranged in the chain box, and the bottom of the chain box is open; the impeller is fixed in the lubricating box, and the impeller and the worm gear are coaxially arranged; the liquid storage cavity is formed in the lubricating box and located on the lower side of the worm, lubricating oil used for lubricating the worm and the worm gear is stored in the liquid storage cavity, and the lubricating oil in the liquid storage cavity flows in the lubricating box through the impeller; the lubricating oil circulation efficiency can be improved, the worm gear and the worm are more wear-resistant, and the heat dissipation efficiency is improved.

This application relates to an ultrasonic cleaning device, belonging to the field of ultrasonic cleaning; it includes a housing; the housing has an inlet and an outlet; conveyor belts are respectively provided at the inlet and outlet; an ultrasonic cleaning tank, multiple rinsing tanks, and multiple drying tanks are provided inside the housing; a support frame is slidably arranged in the ultrasonic cleaning tank, multiple rinsing tanks, and multiple drying tanks; a cleaning mesh box is placed on each of the multiple support frames; multiple locking blocks are provided on the cleaning mesh box; a hook unit is slidably arranged above the ultrasonic cleaning tank; the hook unit is used to hook the locking blocks; a sedimentation port is provided on the bottom wall of the rinsing tank; a water exchange unit is slidably arranged below the sedimentation port; the water exchange unit has a water exchange channel; a piston is slidably arranged in the water exchange channel; a wastewater tank is provided below the water exchange unit; a clean water tank is provided on the housing; a clean water outlet communicating with the clean water tank is opened on the rinsing tank; a sealing plate is slidably arranged at the sedimentation port; this application has the technical effect of improving the cleanliness of the workpiece after rinsing.

The utility model discloses a special-shaped backflow channel temperature equalizing plate and a radiator, the temperature equalizing plate comprises an upper body, a lower body, a first capillary structure, a second capillary structure and a backflow channel body, the first capillary structure is located on the inner surface of the upper body, the second capillary structure is located on the inner surface of the lower body, and the backflow channel body is located on the lower body. The upper body and the lower body form a closed cavity, and the backflow channel body is provided with a plurality of micro-channels used for backflow of working media. According to the special-shaped backflow channel temperature uniformizing plate and the radiator, the backflow channel body is additionally arranged, and the plurality of micro-channels used for backflow of the working media are arranged on the backflow channel body; the liquid working medium is helped to flow back to the lower body, the multiple micro-channels are additionally arranged, the backflow liquid working medium collected by the micro-channels is more, the backflow speed is higher, and the heat dissipation power and the temperature uniformizing performance of the temperature uniformizing plate can be remarkably improved.

The utility model discloses a helmet electronic lock for a shared bicycle, and relates to the technical field of electronic locks, a spring bolt is rotatably mounted on a supporting shaft of a base, a driven bevel gear is rotatably mounted in a hollow shaft of the spring bolt, a torsional spring is hinged between the driven bevel gear and the spring bolt, and a lock catch meshed with the spring bolt is arranged on a helmet; the incomplete gear is rotationally installed in the base, the control module is fixedly installed in the base, the blocking piece rotationally installed on the control module is arranged in a trapezoidal groove of the incomplete gear, the blocking piece is in contact fit with the control module to control the rotating direction of an output shaft of the motor, and the motor changes the rotating direction of the incomplete gear through the speed changing assembly. And the incomplete gear changes the rotating direction of the driven bevel gear through the driving bevel gear to unlock the spring bolt. According to the helmet returning device, the returning speed of the helmet is increased, operation is easy, the helmet can be prevented from being lost, practicability is high, and structural matching is ingenious.

The invention relates to a posture-adjusting and filling-promoting centrifugal corn high-speed precision seed-metering device and a seed-metering method, and belongs to the technical field of harvesting equipment in agricultural machinery, the posture-adjusting and filling-promoting centrifugal corn high-speed precision seed-metering device comprises a rear shell, a bearing, a seed-metering disc, a flow guide turbine, a transmission shaft, a seed protection plate, a hole insert, a layered annular partition plate and a front shell; the seed metering disc comprises a posture adjusting groove; the layered annular partition plate comprises sieve holes. According to the seed-metering device, single-grain ordered seed metering of corn seeds is achieved through the centrifugal effect, population layering and posture adjustment are achieved through the synergistic effect of a flow guide turbine and a layered annular partition plate, seeds are filled in the thickness direction by combining the cooperation of a posture adjusting groove and screen holes, and the problems that due to the fact that the shapes of the corn seeds are irregular, inter-seed resistance is large, seed filling time is short, and seed filling efficiency is high are solved. And invalid seed filling such as seed blocking and blockage of the seed metering device in high-speed operation is easy to occur. Compared with a pneumatic high-speed seed-metering device, the structure of the seed-metering device is simplified under the condition of ensuring high-speed precise seed metering, and meanwhile, the operation energy consumption is greatly reduced.

The utility model discloses a natural gas on -line analysis device, including sampling valve, sampling pipeline, three -way electromagnetic valve, reflux pipeline, reflux valve, booster valve, on -line analysis appearance and pretreatment pipeline, wherein, sampling valve and reflux valve are respectively communicated and set up on natural gas pipeline, one end of sampling pipeline is communicated and set up on sampling valve, and the other end of sampling pipeline is linked with three -way electromagnetic valve first port intercommunication, one end of reflux pipeline is linked with three -way electromagnetic valve's second port intercommunication, and the other end of reflux pipeline is linked with reflux valve intercommunication, and booster valve is in series and is established on reflux pipeline, on -line analysis appearance is communicated with three -way electromagnetic valve's third port intercommunication through pretreatment pipeline, and three -way electromagnetic valve is used for switching sampling pipeline and pretreatment pipeline or with reflux pipeline intercommunication, thereby, realize the real -time circulation of sample gas and the real -time nature of sample gas's collection, avoid sample gas stagnation in sampling pipeline, influence analysis data, improve the accuracy and real -time nature of detection.

The utility model provides a temperature-uniforming plate special-shaped columnar structure, and relates to the technical field of temperature-uniforming plates, the temperature-uniforming plate special-shaped columnar structure comprises a temperature-uniforming plate main body, the temperature-uniforming plate main body is provided with a plurality of supporting column main bodies, and the supporting column main bodies are provided with channels. According to the vapor chamber, the channels are formed in the supporting column main body, the space occupied by the supporting column main body is reduced, the internal cavity space is further increased, the upper limit of the heat dissipation power of the vapor chamber main body is improved, the channels generate pressure when steam passes through, the capillary pressure is increased, the backflow speed of liquid from the condensation end to the evaporation end is increased, and the heat dissipation efficiency of the vapor chamber main body is improved. The stability of gas-liquid circulation of the vapor chamber main body is enhanced; due to the design of the channels, the cross section area of a radial flow channel from the evaporation end to the condensation end is increased, the flow of steam passing through the temperature equalizing plate in unit time is increased, and therefore the heat dissipation efficiency of the temperature equalizing plate is remarkably improved.