110results about How to "Reduce the use of parts" patented technology

A circuit board fixing mechanism is used to fix a circuit board with a plurality of openings on a setting surface with each opening provided with a contracting clamping section at the same side, wherein the fixing mechanism at least comprises a first locating part arranged on the circuit board, a plurality of support pieces provided with necks and arranged on the setting surface and an elastic piece provided with a second locating part and arranged on the setting surface; through the corresponding clamping between the necks of the support pieces and the clamping sections, freedom degree limitation in two directions can be provided; meanwhile, by means of the elastic locating of the second locating part of the elastic piece on the first locating part, freedom degree limitation in a third direction can be provided.

The invention discloses an intelligent lawn nursing robot system. The system comprises a base station and an intelligent lawn nursing robot. The intelligent lawn nursing robot comprises a shell, a moving module, a cutting module, a control module and a watering module; the moving module is used for driving the shell to move; the cutting module is used for working in a predetermined working area under the weeding mode; the control module is used for controlling the cutting module and the watering module to work; the watering module is used for watering a lawn in a watering mode; the base station is arranged to be independent from the intelligent lawn nursing robot and connected with the watering module, and the intelligent lawn nursing robot is in butt joint with the base station under thewatering mode and triggers the base station to provide a water source required for current watering for the watering module. According to the intelligent lawn nursing robot system, when the watering module waters the lawn, the intelligent lawn nursing robot does not need to walk, the watering module conducts watering according to a watering map, a sufficient water source is provided by the base station, water adding in the process is omitted, and the time and labor are saved.

The invention provides an automatic phase-failure zero-failure power-off protection device which mainly comprises an automatic shunt excitation breaker and a plurality of control relays. Two switching circuits composed of contacts of two control relays in a combination mode provide two power supply return circuits for a shut excitation coil. When phase failure and zero failure do not exist, the two switching circuits are both in the disconnected state, no current passes through the shunt excitation coil and power is normally supplied. When phase failure and zero failure exist, one of the two switching circuits is connected, the shunt excitation coil is energized and the automatic shunt excitation breaker trips to conduct power-off protection. When a shell of a distribution box is energized, the third control relay is energized, a normally-closed contact of the third control relay is disconnected, the return circuit where the normally-closed contact is located is disconnected, the action effect is equal to that of the situation that phase failure and zero failure occur, the shunt excitation coil is energized, and the automatic shunt excitation breaker trips to conduct power-off protection. The automatic phase-failure zero-failure power-off protection device has the advantages of being simple in structure, few in used part, high in reliability, low in cost and the like.

The invention discloses a lens adjusting structure and a projection optic system. The lens adjusting structure is composed of a lens holder, a pedestal, a first pre-tightening element, a second pre-tightening element, an adjusting spring, and a fastener. The lens holder includes an adjusting part and a support part; a first guide hole and a second guide hole that are formed in the two sides of the support part are arranged on the adjusting part; and a first butt-joint element arranged between the first guide hole and the second guide hole is arranged on the lower surface of the adjusting part in a protruding mode. A first positioning element and a second positioning element are arranged on the pedestal; a penetrating opening arranged between the first positioning element and the second positioning element is formed in the pedestal; and a second butt-joint element arranged at one side of the penetrating opening is arranged in the penetrating opening. According to the invention, problems that the energy is lost and the brightness performance of the overall projection optic system is reduced due to deviation of the position of the laser convergence point relative to the phosphor coating of the fluorescence color wheel in the existing optical system can be solved.

The invention discloses a positioning device for a workbench. The positioning device comprises a plurality of positioning blocks arranged between a workbench component and a workbench base, wherein through hole cavities are formed in the positioning blocks; pistons are arranged in the through hole cavities; the lower end of each piston is supported on the surface of the workbench base up and down in a movable mode by an elastic component; air detection through holes are formed on one side in the through hole cavities; air detection channels are formed in the pistons; air detection interfaces are formed on surfaces of the tops of the pistons; step structures are arranged inside the through hole cavities; bulged structures are arranged at bottoms of the pistons; when the bulged structures at the bottoms of the pistons are pressed against the step structures arranged inside the through hole cavities, the top ends of the pistons are bulged to a certain distance from the surfaces of the positioning blocks; and when the workbench is clamped and positioned, the surface of the tops of the pistons is tightly attached to the surface at the bottom of the workbench component tightly. The positioning device for the workbench has a simple structure, few application parts, a simple motion mode and high reliability and combination degree, modularized installation can be realized, and the detection effect of clamping the workbench is improved effectively.

The invention provides a spray arm, comprising: an upper part of the spray arm, with a through hole in the middle; a lower part of the spray arm, with a protrusion in the middle, and a spray hole in the lower part of the spray arm The connecting piece includes a wider connecting portion and a narrower fixing portion, the connecting portion is located between the upper part of the spray arm and the lower part of the spray arm, and the fixing part passes through the through hole of the upper part of the spray arm , and the bottom of the connecting part is provided with a card slot adapted to the protrusion. The spray arm has the advantages of simple structure and convenient operation.

A brushless excitation controller is prepared as forming excitation voltage-current signal collection circuit by series-connecting reactor and current mutual inductor, parallel-connecting excitation rectification bridge formed by diodes to two ends of current mutual inductor, parallel-connecting thyristor to DC output end of excitation rectification bridge and connecting control electrode of said bridge to on-off control circuit of said thyristor.

The invention discloses a transmission structure of a fully-automatic impeller washing machine. The transmission structure of the fully-automatic impeller washing machine comprises a shaft system and a motor coaxially arranged at the bottom of the shaft system. The shaft system is fixedly provided with a outer drum, and the axial system inside the outer drum is provided with a flange disc; the flange disc is fixedly provided with a inner drum, and the shaft system inside the inner drum is fixedly provided with an impeller; the bottom surface of the outer drum, the bottom surface of the inner drum and the flange disc are concentrically arranged in parallel; the shaft system penetrates the positions of the centers of gravity of the impeller, the bottom surface of the inner drum, the flange disc and the bottom surface of the outer drum; the shaft system inside the impeller is provided with a floating disc which can vertically slide; the flange disc is fixedly provided with a floating disc base, which is penetrated by the shaft system and engaged with the floating disc. The transmission structure of the fully-automatic impeller washing machine is small in amount of applied parts, simple in structure and low in manufacturing cost, omits a mechanical reducer and reduces potential risks and defects due to existing reasons of the reducer.

The invention discloses an air deflector driving mechanism and an electrical product using the same. The air deflector driving mechanism comprises a driving box, a rack assembly arranged in the driving box, a gear meshed with the gear assembly, and a first motor used for driving the gear, wherein at least one guiding part is distributed on each of the two sides of the rack assembly and connected with the driving box; a guiding groove is formed in the surface, being in contact with the rack assembly, of each guiding part; each guiding part adopts an integrated structure; and the rack assembly is inserted between or among the guiding parts. According to such arrangement scheme, the air deflector driving mechanism provided by the invention has the advantages that the assembly process is simple, less parts are involved in the assembly process, and the cost is relatively low.

The invention discloses a multi-way valve with a priority valve on a first linkage, and solves the problems of complicated structure, large size and high control difficulty in a traditional agricultural machinery control system. The multi-way valve comprises a main valve and an operation rod; the operation rod is arranged in the main valve, and is slidingly matched with the main valve; the main valve is provided with the priority valve and a main overflow valve; a main pressure oil port, an oil return port, a first working oil port, a second working oil port and a lower communication working port are formed in the main valve; the main overflow valve is arranged between the main pressure oil port and the oil return port; and the operation rod has a first state of enabling the main pressureoil port to communicate with the first working oil port by the priority valve, a second state of enabling the main pressure oil port to communicate with the lower communication working port, and a third state of enabling the main pressure oil port to communicate with the second working oil port by the priority valve. The multi-way valve is small in product size, simple in structure, convenient toassemble, reliable in control, fast in response and long in service life.

The invention discloses a crawler-type swing arm suspension type walking mechanism and a crawler vehicle. The walking mechanism comprises a spring damping component, one end of the spring damping component is rotationally connected with a first connecting shaft fixed on a vehicle body, and the other end of the spring damping component is rotationally connected with one end of a swing arm through afirst rotating shaft, the other end of the swing arm is rotationally connected with two gear train fixing plates through a second rotating shaft, a second connecting shaft is rotationally installed in the middle of the swing arm, the second connecting shaft is fixed on the vehicle body, the two sides of the swing arm are respectively provided with a tensioning adjuster, the two gear train fixingplates are fixedly connected through a fixed shaft, an idler wheel and bogie wheels are installed between the two gear train fixing plates through a wheel shaft, the idler wheel is connected with a driving wheel through a crawler ring, and the driving wheel is meshed with the crawler ring and is connected with a decelerator fixed on the vehicle body. The crawler-type swing arm suspension type walking mechanism in the invention is simple and compact in structure, the crawler ring is convenient for tensioning adjustment and easy to implement, and the crawler-type swing arm suspension type walking mechanism is good in tensioning and suspension vibration damping performance and capable of being flexibly arranged on the vehicle body.

The invention provides a transmission gear case for wheeled tractors and relates to a gear case working cooperatively with a wheeled tractor. The transmission gear case comprises a case body on which an input shaft, output shafts and a shifting member are arranged, and a bevel gear assembly, a transition gear and a double gear, which are arranged on the shafts. The invention is characterized in that the at least two output shafts are provided, including an output shaft I and an output shaft II, wherein the output shaft I and the output shaft II are arranged in parallel; the input shaft is arranged vertically to the output shafts; and the input shaft, the output shaft I and the output shaft II are in the same plane. In the invention, the output shaft I is used as both the output shaft and a shifting transition shaft, so that the structure is simplified greatly, the consumption of parts is minimized, both the cost and the power consumption are reduced, and the maintenance and repair of the machine is facilitated. The output directions of the two output shafts are different from each other, and the output speed of the output shafts is adjustable, so that the invention can meet the requirement for various agricultural operations under different working environments.

A small-tonnage hydraulic elevator used for well workover is provided, which has a main body, a valve and a lock tongue. The valve is rotatably connected to one side of the lower part of the middle hole of the main body through the valve shaft, and the lock tongue is connected to the other side of the lower part of the middle hole of the main body through the lock tongue shaft. Rotational connection, the upper side of the main body is equipped with a valve cylinder, the piston rod of the valve cylinder is hinged with the valve through the valve linkage mechanism and drives the valve to rotate around the valve axis, and the other side of the upper part of the main body is provided with a deadbolt cylinder, the piston of the deadbolt cylinder The rod is hinged with the deadbolt through the deadbolt link structure and drives the deadbolt to rotate around the deadbolt axis, and the upper part of the main body is provided with a hydraulic valve body assembly. The invention can be used for various types of workover rigs and various types of wellhead automation equipment. It is a small-tonnage elevator with a load of less than 80 tons. It is small in size, light in weight, simple in structure, and easy to maintain. Remote operation, automatic balance adjustment, realize unmanned wellhead operation, improve workover efficiency, reduce production cost and improve safety performance.

The invention discloses a two-grade pressure reducing disc and a pressure reducing valve. The pressure reducing disc comprises a disc body, a first rotating structure, a second rotating structure andan airflow groove, wherein the disc body is provided with an upper bottom surface, a peripheral side surface and a lower bottom surface; the first rotating structure is annularly arranged on the upperbottom surface of the disc body with the circle center of the upper bottom surface of the disc body as the center; the second rotating structure is annularly arranged on the lower bottom surface of the disc body with the circle center of the lower bottom surface of the disc body as the center; the airflow groove is arranged on the peripheral side surface of the disc body parallel to the center axis of the disc body; and two ends thereof respectively communicate with the first rotating structure and the second rotating structure. The pressure reducing valve comprises the pressure reducing disc. The two-grade pressure reducing disc and the pressure reducing valve are simple in structure and fewer in used part; the first rotating structure and the second rotating structure are arranged on the upper bottom surface and the lower bottom surface of the disc body; after high-pressure gas enters the pressure reducing valve, the airflow flowing direction is the rotary flowing direction, so thatthe potential energy is continuously reduced in the rotating process to achieve the purpose of pressure reduction, the pressure reducing effect is obvious, and the speed is higher; and when the pressure of the introduced high-pressure gas is higher, the pressure reducing ratio is higher.

The invention discloses a manual safety device based on a driving hammer type emission pistol. The manual safety device comprises a manual safety device body, stop iron, a driving hammer, a driving hammer spring, a driving hammer spring rod, a driving hammer spring base, an emission machine base and a stop iron spring; the emission machine base is fixedly installed on a grip of the pistol, the manual safety device body is installed on the emission machine base and can rotate, a first shaft and a second shaft are fixedly installed on the emission machine base, the stop iron capable of rotating and the stop iron spring are installed on the first shaft in a sleeving mode, and the driving hammer and the driving hammer spring base are installed on the second shaft in a sleeving mode; the driving hammer spring rod is arranged in the driving hammer, the driving hammer spring is installed on the driving hammer spring rod in a sleeving mode, the rear end of the driving hammer spring base abuts against the driving hammer spring rod, and the front end of the driving hammer spring base is matched with the manual safety device body; the stop iron is matched with the manual safety device body and the driving hammer. The stop iron and the driving hammer can be controlled by rotating the manual safety device body, the safety function can be realized, the driving hammer can be safely relieved at the single-action to-be-percussed state, and the safety of the pistol can be improved further.

Provided is an automobile, a differential of the automobile and a TCU. The differential comprises a differential shell, a planetary gear shaft, two planetary gears, two half shafts, a planetary wheel system, a first clutch and a second clutch, wherein the planetary gear shaft and the planetary gears are located in the differential shell; the planetary gear shaft is connected to the differential shell, and the two planetary gears are correspondingly connected to the two ends of the planetary gear shaft; one end of each half shaft is fixedly provided with a half shaft gear, the half shaft gears are engaged with the two planetary gears in the differential shell, and the other ends of the two half shafts extend out of the differential shell and are used for being connected to two automobile drive wheels; the planetary wheel system is located outside the differential shell, a sun wheel is used for being connected to a transmission output gear, and a planetary carrier is fixedly connected to the differential shell; the first clutch is used for being selectively connected with the transmission output gear and the planetary carrier; and the second clutch is used for being selectively connected with a gear ring and the differential shell. By means of the scheme, the differential is compact in structure, control over gear switching is simple, and the development cost and production cost are both lower.

A microscope machine platform structure is used for placing wafers. A plurality of wafers are contained in a wafer box. The microscope machine platform structure comprises a work platform surface which can move up and down and a drive motor which can control the work platform surface to move up and down. A clamping groove for clamping the wafer box and a sensor which is used for sensing whether the wafer box is mounted on the work platform surface or not are arranged on the work platform surface. The microscope machine platform structure further comprises a fixing lock for locking the wafer box and the fixing lock rotate with the rotation of the drive motor. Due to the fact that the fixing lock is arranged to lock the wafer box, the fact that someone takes the wafer box from the work platform surface by mistake in the working process of a microscope can be prevented, and the fact that the wafers are damaged and other safety hidden dangers occur can be avoided.

The invention discloses a workpiece conveying mechanism for a glass tube production pot furnace. The mechanism comprises a motor, a worm, a worm wheel, a pinion, a gear wheel, a front connecting rod, a rocker, a rear connecting rod, a push block and a rack, wherein the rotating shaft of the motor is connected with the worm; the worm and the worm wheel are in meshed connection; the pinion and the worm wheel are coaxially connected; the gear wheel and the pinion are in meshed connection; one end of the front connecting rod is connected with one side of the gear wheel in a rotating manner; one end of the rocker is fixed and connected in a rotating manner, and the other end of the rocker is connected with the push block by virtue of the rear connecting rod in a rotating manner; and the other end of the front connecting rod and the upper section of the rocker are in rotating connection. The workpiece conveying mechanism has the advantages of simple structure, accurate conveying position, strong durable working capability, low cost and few parts, has especially quick conveying response, can be used for effectively improving the working efficiency, and has popularization and application values.