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47results about How to "Easy to process and assemble" patented technology

LED light source module

The invention relates to an LED light source module, which belongs to the technical field of LED semiconductor lighting. The LED light source module comprises a light pervious cover, a lamp body, an end cap, a side reflecting plate, a top reflecting plate, an LED light source, a PCB and a sealing strip, wherein the PCB is connected at the top inside the lamp body, the LED light source is welded on the PCB at the top inside the lamp body through soldering tin, an inward concave structure is arranged on the lamp body, heat radiation bars are arranged outside the concave position, the top reflecting plate is installed at the top inside the lamp body, the light pervious cover is installed in a slot at the lower part of the lamp body, the sealing strip is arranged in the gap between the light pervious cover and the lamp body, the side reflecting plate 4 is installed in the slot on the side of the lamp body, and the end cap is connected and fixed at the two ends of the lamp body to form an enclosed cavity. The LED light source module has the advantages of novel, compact, reasonable and simple structure, convenient production, manufacture, processing and assembly and good interchangeability. The reflecting plates adopt high-reflectivity specular material to enhance the reflection of light rays and improve the light efficiency of the entire module. The heat radiation performance is good, and the service life of the lamp can be prolonged.
Owner:史杰

Full reverse convection unsealed water tube boiler

The invention discloses a full reverse convection unsealed water tube boiler. Upper and lower center headers, laterally symmetrical water wall headers, a water wall tube, upper and lower laterally symmetrical convection bank headers, a convection bank, front, rear, upper and lower transverse headers, communicating tubes and the like are respectively communicated to form a radiation convective heating surface and a natural circulation water channel; furnace walls are constructed on the outer side of the water wall and the outer sides of a ceiling and the convection bank to form a hearth and a three-return flue, so that the volume of the hearth can be increased with the same boiler volume to facilitate fully burning and settling dust in a soot furnace; the water channel and a soot channel are subjected to full reverse convection transverse washing to facilitate improving the heat exchange effect and reducing soot formation on the convective heating surface; and because of an unsealed structure, the natural circulation is safe, reliable and small in flow resistance, the overall structure process is advanced, the manufacturing is simple, and large, medium and small tubes can be adopted to replace drums of various boilers, so the steel consumption can be reduced by 30 percent, the manufacturing efficiency can be improved by 40 percent, the power consumption can be reduced by 20 percent, the initial discharge concentration of the soot can be reduced by 70 percent; therefore, the boiler has obvious advantages of energy saving, consumption reduction and emission reduction.
Owner:王森

Novel locomotive traction transmission device

The invention relates to a novel locomotive traction transmission device, which comprises a bogie frame, a traction motor, a wheel set, a locomotive driving shaft and a traction motor hollow shaft, wherein the motor is positioned between middle beams and end beams of the wheel set and the bogie frame. The device is characterized in that the device also comprises an elastic coupling, elastic motorsuspension and elastic elements symmetrically arranged on the inner walls of two ends of the traction motor hollow shaft, and the stiffness of the elastic coupling, the elastic motor suspension and the elastic elements on the inner walls of two ends of the traction motor hollow shaft is different and successively increases. The device absorbs the advantages of a bearing type and a frame-supportingtype. When road conditions are good, a locomotive runs at a high speed, and then the vertical impact displacement of a line on the wheel set is low but vibration frequency is high, thus the working mode of the device is the same with the structure of a frame-supporting type wheel set hollow shaft. When road conditions are bad, the locomotive needs to slow down to run, and then the vertical impactdisplacement on the wheel set is intense but the vibration frequency is low, thus the working mode of the device is the same with that of a bearing-type traction transmission structure.
Owner:DALIAN JIAOTONG UNIVERSITY

Novel centrifugal machine static balancing device

ActiveCN105080734AEasy to processLarge trim rangeCentrifugesModular designEngineering
The invention discloses a novel centrifugal machine static balancing device. The novel centrifugal machine static balancing device comprises a balancing frame, a lead screw, a movable balancing weight, a motor, a rotary transmission device and a traveling nut. A connecting hole is formed in the first end of the balancing frame, and a fixed balancing weight is installed at the second end of the balancing frame. Two guide rails are arranged on the upper surfaces of the two sides of the balancing frame in parallel respectively. The two ends of the movable balancing weight are installed on the two guide rails respectively and can be moved. The motor is installed on the movable balancing weight. A rotary shaft of the motor is connected with the input end of the rotary transmission device. The output end of the rotary transmission device is connected with the traveling nut. The lead screw is sleeved with the traveling nut. The two ends of the lead screw are fixedly installed at the two ends of the balancing frame respectively. Through the combination of the movable balancing weight and the fixed balancing weight, the novel centrifugal machine static balancing device has the advantages that machining is easy due to modular design, the balancing range is wide, the application range is wide, and operation is easy.
Owner:GENERAL ENG RES INST CHINA ACAD OF ENG PHYSICS

Extreme ultraviolet lithography light source collection and illumination system

The invention provides an extreme ultraviolet lithography light source collection and illumination system. The extreme ultraviolet lithography light source collection and illumination system comprises two parts including a front-end reflection mirror set and a rear-end reflection mirror set, wherein the front-end reflection mirror set and the rear-end reflection mirror set are mounted and fixed by a supporting structure. Each layer of a reflection surface in the front-end reflection mirror set is formed by rotating different parabolic segments around the optical axis; the center of an extreme ultraviolet light source is located on a focal plane of a parabola and is located on the optical axis. Light emitted by a light source is reflected by each parabola to be emitted by a parallel light path; each annular conical surface of the rear-end reflection mirror set is used for separating the parallel light path emitted by the front-end reflection mirror set into a plurality of narrow and thin parallel light paths and all the parallel light paths are reflected to a final illumination point. According to the extreme ultraviolet lithography light source collection and illumination system, the light is collected and the function of an illumination system can also be realized to finish light bean reshaping and spectrum filtering work a good illumination condition is provided for the aeration of a mask plate; a collection system and the illumination system are integrated so that the whole working space can be diminished and the structure of an optical system is compact.
Owner:HARBIN INST OF TECH

Single-contact external compressor protector

The invention discloses a single-contact external compressor protector. The single-contact external compressor protector comprises a base box, a bimetallic strip, a short wiring pin, a long wiring pin and two plug pins, wherein one end of the bimetallic strip is provided with a circular arc sheet with a movable contact; the short wiring pin is an L-shaped electric connecting piece with a static contact; the long wiring pin is an L-shaped electric connecting piece with a cantilever and a groove; ends of the short wiring pin and the long wiring pin are riveted in a cavity of the base box, and the other ends of the short wiring pin and the long wiring pin extend out of the base box and are respectively welded with the two plug pins; and one end of the bimetallic strip is welded with a cantilever of the long wiring pin by a welding pin through a welding hole, and the other end of the bimetallic strip is elastically connected with the static contact of the short wiring pin in a pressed manner. Compared with the prior art, the single-contact external compressor protector has a simple structure and components are convenient to process and assemble, thereby further reducing the production cost and failure risks of the products, achieving dual-protection for temperature and current, achieving high reliability, and further improving the quality and application safety of the product.
Owner:SHANGHAI AEROSPACE SCI & IND ELECTRIC APPLIANCE RES INST

Adjustable hinge

ActiveCN104033059AEasy to process and assembleUniform upper and lower gapsHingesSurface fittingHinge angle
The invention discloses an adjustable hinge. The adjustable hinge comprises a left hinge, a right hinge and a shaft lever; each of the left hinge and the right hinge comprises a base plate and a shaft sleeve, wherein each base plate is provided with a fixing hole for mounting; each shaft sleeve is formed by outwards extending one side edge of the base plate and bending and curving toward one side of the upper surface of the base plate; an outwards convex shaft ring is arranged in the middle part of the shaft lever, which divides the shaft lever into an upper section and a lower section; the shaft sleeves of the right hinge and the left hinge are respectively rotatably connected with the upper section and the lower section at two sides of an upper shaft ring of the shaft lever; an adjusting bolt is in threaded connection with the inner lower end of the shaft sleeve of the left hinge, far from the shaft ring; the inner end surface of the adjusting bolt is connected against the end surface of the lower section of the shaft lever; reinforcing sheets which are clung to the upper surfaces of the base plates outwards extend from the side edges of openings in the shaft sleeves of the left hinge and the right hinge; the reinforcing sheets pass through the fixing holes for mounting in the base plates. With the adoption of the adjustable hinge, the upper and lower gaps between a door and a door frame can be adjusted, the shaft sleeves are high in intensity, and thus the phenomenon that the shaft sleeves are expanded and opened when using the hinge can be avoided; the processing is convenient; the production efficiency is high; in addition, printed patterns are high in quality.
Owner:浙江科秀五金有限公司

Rectangular open magnetic field type low-frequency vibration calibration table with double-magnetic-circuit two-end symmetric excitation

The invention provides a rectangular open magnetic field type low-frequency vibration calibration table with double-magnetic-circuit two-end symmetric excitation, belonging to the field of vibration measurement technology. A rectangular open magnetic field type magnetic circuit structure is provided. Two permanent magnets are symmetrically installed at two ends of a center magnet yoke and face magnetic poles. Two symmetric closed magnetic circuits are formed by magnet yokes. The strong magnetic field distribution with high uniformity is generated in air gaps. After a working coil is energized, the working coil is affected by Lorentz force in a magnetic field, and precisely controllable electromagnetic drive force is generated. The surfaces of the magnet yokes adjacent to the air gaps are provided with an array type micro structure in the form of deep trenches, and the eddy current loss can be effectively inhibited. The organic integration design of air lubricated guide technology is employed, and outstanding electromagnetic drive mechanical performance and high movement guide precision are obtained at the same time. According to the rectangular open magnetic field type low-frequency vibration calibration table, large stroke, high thrust, a linear electromagnetic driving force characteristic and high movement guide precision can be considered, and the high performance low frequency vibration calibration table is provided for low-frequency/ultra-low frequency vibration calibration.
Owner:HARBIN INST OF TECH

Button cell and preparation method thereof

The invention discloses a button cell and a preparation method thereof, the button cell comprises a steel shell, a cell assembly and a steel sheet assembly, and the steel shell is provided with an insulation avoidance gap; the battery cell assembly comprises a soft package battery cell, a first tab and a second tab, the first tab and the second tab are respectively arranged on the soft package battery cell, and the first tab is welded on the steel shell; the steel sheet assembly comprises a first steel sheet and a second steel sheet, the first steel sheet is welded on the steel shell, the second tab is welded on the second steel sheet, the second steel sheet is aligned with the insulating avoidance gap, and one end of the first steel sheet and one end of the second steel sheet are used forbeing jointly inserted into an external electronic device. According to the button battery disclosed by the invention, by arranging the soft package battery cell, compared with a laminated battery, the button cell is simpler in process and more convenient to process and assemble; by forming the insulating avoidance notch in the steel shell, the tabs or the steel sheets can be prevented from making contact with the steel shell in the assembling process, and therefore the problem of short circuit can be avoided.
Owner:HUIZHOU HENGTAI TECH

Compressing mechanism part and compressor and refrigerating plant with compressing mechanism part

The invention discloses a compressing mechanism part and a compressor and a refrigerating plant with the compressing mechanism part. The compressing mechanism part comprises a double-cavity air cylinder, a piston and a sliding sheet; the double-cavity air cylinder is internally provided with a first air cylinder cavity and a first sliding sheet cavity, and the first sliding sheet cavity is constructed to be a first working cavity with variable internal pressure; the piston which eccentrically rotates is arranged in the first air cylinder cavity; the sliding sheet doing reciprocating motion is arranged in the first sliding sheet cavity, the first air cylinder cavity is divided into a first compression cavity and a first air suction cavity through the corresponding piston and the corresponding sliding sheet, the first compression cavity is provided with a first exhaust opening, the first air suction cavity is provided with a first air suction opening, the first working cavity is provided with a second air suction opening and a second exhausting opening, and the first exhausting opening is connected with the second air suction opening through a refrigerant channel. By means of the compressing mechanism part, secondary compression of one air cylinder on refrigerants can be achieved, the compressor production efficiency is improved, and the compressor manufacturing cost can be reduced.
Owner:GUANGDONG MEIZHI COMPRESSOR

Stator assembly of outer rotor motor

The invention aims to provide a stator assembly, which can improve the output power of an outer rotor motor, has a good insulation effect and is convenient to process and assemble, of the outer rotormotor. The stator assembly of the outer rotor motor comprises a stator iron core and stator frameworks arranged at two axial ends of the stator iron core, the stator iron core comprises an iron core ring part and iron core tooth parts located in the circumferential outer side of the iron core ring part. Each stator framework is composed of a framework ring part and a framework gear sleeve part which is arranged outside the iron core gear part in a sleeving mode and located outside the framework ring part in the circumferential direction. The framework tooth sleeve parts are in one-to-one correspondence with the iron core tooth parts and are provided with accommodating grooves matched with the iron core tooth parts; winding grooves for giving way to windings are formed between the adjacentframework tooth sleeve parts, the axial end parts of the framework tooth sleeve parts extend outwards in the circumferential direction to form positioning plates located in the axial sides of the outer ends of the iron core tooth parts, and limiting blocks are arranged in the sides, away from the stator iron core, of the positioning plates.
Owner:HENGDIAN GRP INNUOVO ELECTRIC +1

Ground thrust vector calibration device for small turbojet engine

The invention is suitable for the technical field of wind tunnel tests, and provides a small turbojet engine ground thrust vector calibration device, which comprises a flow guide part, and is characterized in that the flow guide part comprises a flow guide plate and a flow guide plate base; the flow guide plate base is fixed to the tail end of the spray pipe diffusion section, the flow guide plate is rotationally connected to the flow guide plate base, and the rotating angle of the flow guide plate is adjusted by rotating the positioning connecting piece. The guide plate is arranged at the tail end of the nozzle diffusion section, and the rotating angle of the guide plate can be adjusted by rotating the connecting piece, so that the upper guide plate and the lower guide plate of the thrust vector nozzle deflect within the range of more than 90 degrees, and the left guide plate and the right guide plate deflect within the range of +/-30 degrees; the spray pipe diffusion section, the flow guide part and the rotary positioning connecting piece are all arranged to be of a steel structure, the high temperature of the tail flame of the turbine engine can be borne, and the testing device cannot be affected by the high temperature of the tail flame of the turbine engine.
Owner:LOW SPEED AERODYNAMIC INST OF CHINESE AERODYNAMIC RES & DEV CENT

Air floating piston for reciprocating type compressor

The invention discloses an air floating piston for a reciprocating type compressor. The air floating piston comprises a piston body, a piston rod, a Venturi tube and a one-way valve; the piston rod ismounted at the axial center of the piston body; a connecting cavity, a left air cavity and a right air cavity are formed in the piston body; the Venturi tube is arranged in the piston body; the one-way valve is installed in the Venturi tube; the Venturi tube is communicated with the connecting cavity and the left air cavity; and the left air cavity is communicated with the right air cavity through air cavity through holes, wherein a part of the air cavity through holes are communicated with the outside of the piston body. According to the air floating piston for the reciprocating type compressor of the invention, by means of the Venturi throttling, pressure regulation and cooling principle, with an external cooling medium not required, gas cooling and decompression are realized through amechanical means; and therefore, the wear of sealing components and an air cylinder is decreased; and the service lives of the sealing components can be prolonged, the maintenance period of the compressor can be prolonged, the number of the times of the shutdown of the compressor and the maintenance costs of the compressor can be decreased, the mechanical performance of the compressor can be improved, and costs can be saved.
Owner:INST OF SINOPEC OILFIELD EQUIP CORP +1

Hydraulic brake master pump

The invention discloses a hydraulic brake master pump, which comprises a pump body, an oil cup arranged on the pump body, plunger pistons in a plunger piston cavity, a front sealing ring, a rear sealing ring and a return spring, wherein the plunger pistons comprise a large plunger piston and a small plunger piston integrally formed with the large plunger piston; the front sealing ring and the rear sealing ring are positioned on the small plunger piston and the large plunger piston to divide the plunger piston cavity into a front cavity, a middle cavity and a rear cavity respectively; the pump body is provided with a liquid feeding hole and a liquid outlet, one end of the liquid feeding hole is communicated with the plunger piston cavity, the other end of the liquid feeding hole is communicated with the oil cup, and the liquid outlet is positioned at the front end of the plunger piston cavity; the inner wall of the plunger piston cavity is provided with a first axial groove for communicating the front cavity and the middle cavity; and the pump body is provided with a one-way valve for allowing the brake liquid to flow to the oil cup from the middle cavity. Compared with the prior art, the hydraulic brake master pump has the advantages that: because the one-way valve is independent of the plunger pistons and arranged in the oil cup and the large plunger pistons and the small plunger pistons are formed integrally, the integral structure is simple, and processing and assembly are convenient.
Owner:罗定

Bladeless type downhole motor

The invention relates to the technical field of drilling equipment, and provides a bladeless type downhole motor. The bladeless type downhole motor comprises a bladeless downhole power device, a coaxial speed reducing device and a drilling tool executing unit which are successively distributed from top to bottom, wherein the bladeless downhole power device comprises a connecting barrel, a connecting shaft and at least two blow-back type bladeless downhole power units which are successively distributed from top to bottom; and the coaxial speed reducing device comprises at least one coaxial speed reducer, the coaxial speed reducer comprises a coaxial outer barrel assembly and a speed reducing transmission tube string, and a speed reducing transmission tube string capable of automatically rotating relatively is arranged in the coaxial outer barrel assembly. By arrangement of the multi-stage bladeless downhole power device, the power requirement for the downhole motor can be met; by arrangement of the coaxial speed reducing device, coaxial speed reducing and torque rise transmission can be realized, processing and assembling are facilitated, the bladeless type downhole motor can adaptto deep well high-pressure operation, requirements for downhole complicated working conditions are met, the processing cost is low, good economic benefit can be created, and the bladeless type downhole motor has the characteristic of easiness in popularization.
Owner:曾卫林

Low-temperature plasma hydrogen peroxide sterilizer and using method thereof

The invention discloses a low-temperature plasma hydrogen peroxide sterilizer and a using method thereof. Compared with existing products in market utilizing bearings, high-precision sliding rails, steel wire rollers and other combined structures, the structure of a sterilization cabin door plate is simpler, the requirement for balance and cooperation of the sterilization cabin door plate in the moving process is ensured, and assembling, disassembling and maintenance are convenient. By arranging an infrared induction probe, alternatives of operators for operating machines are added, and the operators can select operation modes according to the actual condition. By designing an anti-collision assembly, the phenomenon that when an objective disc is not placed in place or other interference objects exist when the sterilization carbon door is closed, the door plate and the objective disc are disturbed, and damage to components is caused can be effectively avoided, the phenomenon that the limbs of the operators are pinched can be effectively avoided, and personal safety of the operators is protected. Due to a cassette type medicine adding device, the prominent problem that the medicineadding dosage is not stable in market is solved, a high-concentration hydrogen peroxide solution is effectively isolated, and the safety of the operators is protected.
Owner:河南省三强医疗器械有限责任公司

Semi-trailer equipped with branch leg connection device

The invention relates to a semi-trailer with a connecting device of landing legs and comprises a connecting device of landing legs that is fixed on a trailer frame, and the connecting device of landing legs comprises a left landing leg component, a right landing leg component and a gear transmission mechanism, wherein, the landing leg component comprises a landing leg, a connection board of landing legs, a support board and a connection angle iron, an adjustment mechanism that is used for leading the connection angle iron to move in the front and back direction relatively to the connection board of landing legs is arranged between the connection angle iron and the connection board of landing legs. Due to the connection angle iron that is arranged in the left and right landing leg components and connected between the bottom of the trailer frame and the connection board of landing legs and the adjustment mechanism that is arranged between the connection angle iron and the connection board of landing legs, the invention leads the connection angle iron to move in the front and back direction relatively to the connection board of landing legs, thus leading the landing leg components to be adjusted in the front and back direction relatively to the trailer frame; the invention can satisfy different loading situations by adjusting the gravity center position of the trailer, thus leading a semi-trailer parking to be more stable and safer, and as the connecting device of landing legs is self-adjusted, the invention is suitable for the semi-trailers in different models and simplifies the processing and the assembly of the semi-trailers.
Owner:CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) CO LTD +1

Symmetrical rotor structure of double-end axial magnetic circuit hybrid excitation motor

The invention provides a symmetrical rotor structure of a double-end axial magnetic circuit hybrid excitation motor. The structure comprises a rotating shaft, an N-pole outer iron core, an S-pole outer iron core, an N-pole inner iron core, an S-pole inner iron core, a right excitation winding, a right excitation bracket, a left excitation winding and a left excitation bracket. The whole rotor structure is centrosymmetric about the center of the rotating shaft, the N-pole inner iron core and the S-pole inner iron core are symmetrically matched with each other with the rotating shaft as the center, and the N-pole outer iron core and the S-pole outer iron core are correspondingly installed outside the N-pole inner iron core and the S-pole inner iron core respectively and matched with each other to form a cylinder to thereby jointly form the radial and axial magnetic circuits of a rotor. According to the invention, the brushless excitation of the hybrid excitation motor is realized, the difficulty of a solid material processing technology is reduced, the motor can be conveniently processed and assembled, and possibility is provided for realizing batch production of the brushless hybridexcitation motor with an axial magnetic circuit.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Drum-type heavy sheet abrasion monitoring sensor, alarming system and drum-type heavy sheet abrasion monitoring method

The invention discloses a drum-type heavy sheet abrasion monitoring sensor, an alarming system and a drum-type heavy sheet abrasion monitoring method. The abrasion monitoring sensor comprises a rotating disc, an inner shell and an outer shell. The inner shell and the outer shell are fixedly connected, and a cavity for containing the rotating disc is formed between the inner shell and the outer shell. The rotating disc is fixed to a cam shaft of a brake and rotates synchronously along with the cam shaft. A metal ring piece is fixedly arranged on the rotating disc and comprises a metal ring anda plurality of metal teeth distributed on the metal ring. A first metal contact and a second metal contact are installed on the inner shell. The first metal contact is correspondingly in contact withthe metal ring, the second metal contact corresponds to the metal teeth and is in contact with the corresponding metal tooth now and then and not in contact with the metal teeth now and then accordingto different rotating positions of the metal ring piece. The metal contacts are connected with a counting sensor. According to the drum-type heavy sheet abrasion monitoring sensor, the alarming system and the drum-type heavy sheet abrasion monitoring method, the structure is simple, and cost is low; and through the contact type counting of the two metal contacts, the influence of the external world on signal transmission is low, the requirement on the performance of materials is low, and the abrasion condition of a brake pad can be monitored in real time.
Owner:JINAN GOLD PHOENIX BRAKE SYST

Automatic cleaning sterilizer and working method thereof

The invention discloses an automatic cleaning sterilizer and a working method thereof. The automatic cleaning sterilizer comprises a door lock device, a cleaning machine outer box, machine doors, a chemical box door, a cleaning frame, a cleaning bin, a filter, a fan, a heating chamber, a frame, a side pipe, air springs, a door shaft, a liquid adding device, a limiting plate, an exhaust port, a finheating pipe, a silicone hose, a one-way valve, a top water spraying pipe, a bottom water spraying pipe, a circulating pump, a drainage pump, a drainage pipe, a water heating pipe, a water adding pipe, a disinfectant adding opening, an oil adding opening, an enzyme adding opening and a spraying arm. The door lock structure of the automatic cleaning sterilizer is simple, the requirement for normalworking of the door lock structure under the high temperature condition is met, machining and assembling are facilitated, disassembling is further convenient, and later repairing and maintenance arefacilitated. By controlling pump bodies, the outstanding problem that the chemical adding dosage is instable in a current market is solved, meanwhile, the working efficiency is improved, the quicker and more convenient effects are achieved, the safety of workers is protected, the automatic cleaning sterilizer further has the characteristics of multiple cleaning and multiple rinsing, thus the cleaning effect is significantly improved, and secondary pollution is avoided.
Owner:河南省三强医疗器械有限责任公司
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