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40results about How to "Convenient on-off" patented technology
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Three-way flow guide valve
InactiveCN101021279AConvenient on-offControl on and offMultiple way valvesMedicineConical projection
The present invention discloses three-way flow-guiding valve. It includes a valve body with tubular inner cavity. The above-mentioned valve body is formed from upper and lower two portions which are screw-combined together, in the inner cavity of said valve body is set a valve core which can be upwards and downwards moved, on the valve core are set upper and lower two conical projections, and in the upper valve body interior and in the lower valve body interior two conical steps which are correspondent to said two conical projections of valve core are respectively set, between the upper part of valve core and inner cavity of valve body a sealing ring is set, on the valve body, between the sealing ring and upper conical step an upper flow-guiding hole is cut, between two conical steps a middle flow-guiding hole is cut and in the lower portion of lower conical step a lower flow-guiding hole is cut, on the valve core also is set a guide flange adaptable to the inner cavity of valve body, on the described guide flange a through hole is cut.
Owner:律天龙
Press bound type water valve
InactiveCN106168293AConvenient on-offConvenient on-off controlLift valveValve housingsMechanical engineeringImpurity
Owner:吴小艇
Clinical cooling device for emergency treatment
ActiveCN112263378AGood elasticityStrong comfortTherapeutic coolingTherapeutic heatingWater pipeEmergency treatment
The invention discloses a clinical cooling device for emergency treatment. The clinical cooling device comprises a pillow body, a hook fastener bandage and a water bag, wherein the upper portion of the pillow body is covered with a temperature conduction pad; a water storage tank is installed in the middle of the lower portion of the pillow body; water pipes are connected to the front side and therear side of the water storage tank; circulating pumps are installed in the middles of the water pipes; a display screen is installed on the outer wall of the left side of the water storage tank; a controller is connected to the right end face of the display screen; battery boxes are installed on the left side and the right side of the water storage tank; battery packs are arranged in the batteryboxes; the hook fastener bandage is connected to the lower portion of the left side of the pillow body; a loop fastener bandage is installed on the lower portion of the right side of the pillow body;the water bag is arranged in the pillow body; and a first groove is formed in the middle of the upper surface of the pillow body. The whole cooling device body is arranged to be in the shape of a pillow, so that a cooling mechanism and the pillow are effectively combined, the cooling device can be used as the pillow when cooling is not needed, and the functionality of the whole device is expanded.
Owner:THE FIRST PEOPLES HOSPITAL OF NANTONG
Device for detecting connection and disconnection of fuses in fuse box
The invention provides a device capable of conveniently and rapidly detecting connection and disconnection of fuses in a fuse box to overcome the defect that fuses in a fuse box on an automobile are time-consuming and labor-consuming in connection and disconnection in the prior art. At least one fuse is arranged in the fuse box and provided with a first terminal and a second terminal, wherein the first terminal is connected to a power supply, and the second terminal is connected to electric equipment. The device comprises a socket and a detector, the socket is provided with a pin electrically connected with the second terminal of each fuse, the detector comprises a plug and an indicating module, the plug is matched with the socket, and the indicating module is electrically connected with a pin of the plug and indicates connection and disconnection of the fuses when the plug is plugged into the socket.
Owner:BEIQI FOTON MOTOR CO LTD
Rail changing butt joint device for crane rails
The invention discloses a rail changing butt joint device for crane rails. The rail changing butt joint device comprises the first butt joint sliding rail and the second butt joint sliding rail which are in butt joint. A positioning groove plate is fixed to the first butt joint sliding rail, and a positioning groove is formed in the positioning groove plate. Correspondingly, a positioning plate inserted in the positioning groove is arranged on the second butt joint sliding rail. The positioning plate is connected with one end of a manual driving lever so as to be rotationally arranged on a supporting pillar above the second butt joint sliding rail. According to the rail changing butt joint device for the crane rails, due to rail conversion, the same crane device can work in different stations, on and off of the molded rails can be convenient, the cost of matched equipment of a user is reduced, limiting blocks are arranged on all butt joint connector devices respectively, and a trolley not in a butt joint state on the rails is prevented from sliding out of the rails. In addition, due to the design of the butt joint device, the manual accurate positioning plate is designed and the positioning groove matched with the accurate positioning plate is designed, double-rail accurate positioning butt joint is achieved, the rails do not interference with each other after being butt joint on and off, and therefore a set of lifting equipment can be used for every two adjacent stations.
Owner:安徽克鲁克智能装备有限公司
Multi-functional wall skin cleaning device for decoration
InactiveCN108487655AImprove convenienceConvenient for later touch-up paintBuilding repairsWater storage tankSpray nozzle
The invention relates to the field of decoration appliances, in particular to a multi-functional wall skin cleaning device for decoration. The multi-functional wall skin cleaning device for decorationcan effectively solve the problem that the function of a mortar knife is relatively simple in the past. The multi-functional wall skin cleaning device for decoration structurally comprises a mortar knife, and a handle is arranged at the bottom of the mortar knife. A first supporting rod is fixedly arranged at the bottom of the handle, and a through hole is formed in the first supporting rod perpendicular to the axis in a penetrating mode. A water outlet pipe is disposed in the through hole in a penetrating mode, and the upper end portion of the water outlet pipe extends above the mortar knifeand a spray nozzle is arranged at the tail end of the water outlet pipe. The lower end of the water outlet pipe is connected with a water outlet of a water suction pump fixed to the top of a water storage tank, and a water inlet of the water suction pump is fixedly connected with a water inlet pipe inserted into the water storage tank. A storage battery is fixedly arranged at the top, on one sideof the water suction pump, of the water storage tank, and the storage battery is electrically connected with a switch arranged on the outer surface of the water suction pump through a connecting line. Fixing straps are separately arranged on two sides of the water storage tank. The multi-functional wall skin cleaning device for decoration is easy to operate and comvenient to use, and is suitablefor a variety of places.
Owner:邵业韬
Head-mounted monocular wide-angle low-illumination-level CMOS night-vision device
The invention provides a head-mounted monocular wide-angle low-illumination-level CMOS night-vision device which comprises an objective lens system mechanism, a main shell structure, an eye lens system mechanism, a power supply mechanism, a knob switch, a low-illumination CMOS detector, a signal processing and control system and an OLED display screen, wherein the objective lens system mechanism is arranged at the front end of the main shell structure; the eye lens system mechanism is arranged at the rear end of the main shell structure; the low-illumination CMOS detector is arranged inside the main shell structure and is arranged at the rear end of the objective lens system mechanism; the signal processing and control system is arranged at the rear end of the low-illumination CMOS detector and is used for displaying a signal received by the low-illumination CMOS detector on the OLED display screen; the OLED display screen is arranged inside the main shell structure and is arranged at the rear end of the signal processing and control system for imaging; the knob switch is arranged on the main shell structure and is used for powering on and off a power supply and a light compensating lamp; the objective lens system mechanism comprises an objective lens frame which makes reciprocation movement in the direction of a straight line, and a double-gauss objective lens group arranged inside the objective lens frame.
Owner:NANJING UNIV OF SCI & TECH
Shielding device for ore pulp outlet of mineral separation system
The invention discloses a shielding device for an ore pulp outlet of a mineral separation system. The shielding device comprises a control rod with high self-weight. A blocking piece used for blocking the ore pulp outlet is arranged at the lower end of the control rod and comprises a big-end-up truncated-cone-type rubber plug. The truncated-cone-type rubber plug is clamped by an upper gasket and a lower gasket. The control rod penetrates the upper gasket, the rubber plug and the lower gasket. The tail end of the lower gasket is screwed down by a pair of anti-loosening nuts. When being used, the shielding device is manually taken down by operators, the specified ore pulp outlet is plugged by the blocking piece at the lower end, and when the ore pulp outlet is plugged, the posture of the shielding device is adjusted, and the control rod is perpendicular to the bottom plane of an ore distribution cylinder bottom. As the self-weight of the control rod is high, the rubber plug can be well attached to the upper edge of the ore pulp outlet, so that ore pulp is blocked, and overhauling of downstream equipment is facilitated.
Owner:SHANGHAI HANSAIL MARINE & OFFSHORE DESIGN
Automatic wheel set painting device
The invention relates to an automatic wheel set painting device which comprises a first driving mechanism, a rotating mechanism, a wheel set rolling mechanism, a rocker arm assembly, sliding grooves,a rack structure, a second driving mechanism and a painting device body. The sliding grooves used for containing wheel sets are symmetrically formed in the two sides of the top of the rack structure.The first driving mechanism is fixedly arranged at the bottom of the rack structure, is connected with the rotating mechanism fixed on the side wall of the rack structure and drives the rotating mechanism to rotate; A fixing assembly is fixed to the side face of the rack structure and supports the wheel set rolling mechanism. The second driving mechanism works to drive the rocker arm assembly to rotate around a rotating joint of the rocker arm assembly and the rack structure, the rocker arm assembly rotates to push the wheel sets to roll to the wheel set rolling mechanism, and the rolling mechanism works to drive the wheel sets to rotate. The painting device body is located below the wheel sets at the moment, the painting device body works to paint the wheel sets, the problem that the wheel sets are pushed manually and painted manually is avoided, the painting efficiency is improved, and meanwhile the safety of workers is effectively guaranteed.
Owner:HUAINAN MINING IND GRP
Integrated injection device
PendingCN108514670AEasy switch controlEasy to flow on and offAutomatic syringesPharmaceutical containersEngineeringIntegrated injection logic
The invention discloses an integrated injection device. The integrated injection device comprises an injection pipe (3), a liquid inlet assembly and an air inlet assembly, and a liquid absorbing pipe(1) is installed at the front end of the injection pipe (3). The integrated injection device is characterized in that the interior of the injection pipe (3) is divided into a liquid absorbing cavity (4) and an air cavity (7) through a partition plate (6), and the liquid inlet assembly and the air inlet assembly are installed at the front portion and the rear portion of the side face of the injection pipe (3) respectively; the air inlet assembly comprises a plug A (8) and an air pipe (10), the plug A (8) is in detachable cooperation with an air hole (9) in the side wall of the injection pipe (3), the top of the air pipe (10) is connected with the plug A (8), a pressure regulating box (12) is installed at the tail of the air pipe (10), and the air hole (9) is communicated with the air cavity(7); the liquid inlet assembly comprises a mounting base (17) and a plug B (20), and a special-shaped cavity (18) is formed in the mounting base (17). The integrated injection device is convenient tooperate, saves time and labor, and is simple in structure, efficient, reliable, suitable for being popularized and applied for integrated injection of liquid absorbing and injecting.
Owner:陈琳
Gasoline engine gasoline sprayer nozzle
ActiveCN106968857AReduce processing difficultyConvenient on-offInternal combustion piston enginesFuel injection apparatusSprayerGasoline
The invention relates to a gasoline engine gasoline sprayer nozzle comprising a needle valve assembly and a valve seat assembly. The needle valve assembly comprises a needle valve rod, a armature and a valve head, wherein the armature and the valve head are fixed at the upper end and the lower end of the needle valve rod correspondingly. The valve seat assembly comprises a valve sleeve and a valve seat fixed at the lower end of the valve sleeve. The needle valve rod is placed in the valve sleeve. A gasoline guiding channel is formed between the needle valve rod and the valve sleeve. The valve head is placed in a central hole of the valve seat. A spraying hole is formed in the end of the valve seat. The valve head is of a hollow structure. A hollow cavity of the valve head constitutes a part of a fuel oil channel and communicates with the gasoline guiding channel through valve head gasoline inlet hole in the upper end of the valve head, and a gasoline spraying oblique hole is formed in the end of the valve head. In the gasoline engine gasoline sprayer nozzle, the fuel oil channel in the valve seat is formed in the sealing valve head, so that machining difficulty is reduced; flowing and blocking of the fuel oil is better facilitated by sealing through a cone valve; and the sealing valve head has the functions of the fuel oil channel and sealing simultaneously, and the valve seat only keeps guiding and sealing functions, so that the machining difficulty of the whole nozzle is reduced greatly.
Owner:WUXI VOCATIONAL & TECHN COLLEGE
Knife switch type electric energy metering combined conjunction box
InactiveCN108548947ASimplified quantityQuality improvementTime integral measurementEngineeringPotential transformer
The invention relates to a knife switch type electric energy metering combined conjunction box which comprises a box body. The box body is provided with a plurality of different terminals which are respectively connected with power-supply-side voltage, power-supply-side current, a voltage transformer and a current transformer. The knife switch type electric energy metering combined conjunction boxfurther comprises an on-off connecting module and a knife switch. The first end of the knife switch is fixed in the box body through the on-off connecting module. The second end of the knife switch rotates around the first end. When the knife switch rotates to a position which is coplanar with the box body, the on-off connecting module is on, the knife switch type electric energy metering combined conjunction box is in a working state. When the knife switch is rotated to be perpendicular with the box body, the on-off connecting module is off, and the knife switch type electric energy meteringcombined conjunction box is in an off state. Compared with prior art, the knife switch type electric energy metering combined conjunction box has advantages of no frequent wiring error, easy operation, easy maintenance, high practicability, etc.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER
Plug with touch switch
InactiveCN104009344AConvenient on-offAvoid frequent plugging and unpluggingCoupling device detailsEmbedded systemTouch switch
The invention discloses a plug with a touch switch. The plug comprises a plug shell. Plug pieces are arranged at the front end of the plug shell. A boss is arranged at the rear end of the plug shell, and the lower end of the boss is connected with a power line. A touch-sensitive chip is arranged on the boss, and the lower end of the touch-sensitive chip is connected with a touch-sensitive circuit board assembly. The touch-sensitive circuit board assembly is arranged in the boss and comprises a wiring terminal, a touch-sensitive circuit board and an elastic connector, wherein one end of the elastic connector is connected to the lower end of the touch-sensitive chip, the other end of the elastic connector is connected with the touch-sensitive circuit board, the touch-sensitive circuit board is connected with the wiring terminal, and the wiring terminal is connected with a plug circuit. In this way, a user can switch on or switch off a circuit more conveniently and does not need to plug or pull the plug frequently, so that the service life of the plug is prolonged and electric power is saved.
Owner:CHANGZHOU CITY WUJIN DISTRICT XIANGYU ELECTRONICS COMPONENTS
All-pneumatic all-dimensional drill carriage
PendingCN108868599AFlexible and stable operationConvenience to workDerricks/mastsAlarmsDrive wheelEngineering
The invention discloses an all-pneumatic all-dimensional drill carriage. The all-pneumatic all-dimensional drill carriage comprises driving wheels, a first track, a second track, traveling speed reducers, a pump station, an oil pump, a reduction gearbox, a fixing plate, a pneumatic motor, a control chamber, an alarm device, a valve, a first reversing valve, a second reversing valve, a pneumatic alarm horn, a base, a vertical column, a supporting column, a drill arm, an integrated atomized lubricator, a pneumatic control valve and an atomized lubricator. The vertical column and the alarm deviceare arranged at one end, away from the control chamber, of the base. Accuracy and safety in pressure comparison of an air passage and a liquid passage in the alarm device are achieved, and accurate alarm instructions can be provided by the first reversing valve and the second reversing valve.
Owner:JIKAI HEBEI MECHATRONICS TECH CO LTD
Flow control device for alloy liquid
ActiveCN102728829BImprove processing yieldSimple structureMelt-holding vesselsMolten metal pouring equipmentsAlloyGraphite
Owner:ANHUI CHUJIANG TECHCAL NEW MATERIAL CO LTD
Wheel pair paint brushing method
The invention relates to a wheel pair paint brushing method. The wheel pair paint brushing method comprises the following steps that S1, a wheel pair is arranged at the top of a rack structure of a wheel pair paint brushing device; S2, a rotating mechanism is started, the rotating mechanism works to drive a first rolling wheel to roll, the wheel pair is driven by the first rolling wheel to rotate,a gap is reserved between the first rolling wheel and a second rolling wheel so as to prevent the wheel pair from deviating, and a rolling mechanism works to drive the wheel pair to rotate; and S3, the paint brushing device is started, the paint brushing device is located below the wheel pair at the moment, and the paint brushing device works to brush paint to the wheel pair. In the method, the rolling mechanism works, the first rolling wheel drives the wheel pair to rotate, the gap is reserved between the first rolling wheel and the second rolling wheel so as to prevent the wheel pair from deviating, the paint brushing device is located below the wheel pair at the moment, the wheel pair constantly rotates at the original position, and therefore the paint brushing device can brush paint to the wheel pair precisely and more evenly, the problems of manual wheel pair pushing and manual paint brushing are avoided, and the paint brushing efficiency is improved.
Owner:HUAINAN MINING IND GRP
Hydraulic engineering water gate opening and closing device based on capacitive sensing
InactiveCN111705753AReduce the effect of frictionAvoid wasting time and effortBarrages/weirsConverting sensor output electrically/magneticallyGear wheelElectric machinery
The invention relates to the technical field of hydraulic engineering, and discloses a hydraulic engineering water gate opening and closing device based on capacitive sensing. The hydraulic engineering water gate opening and closing device based on capacitive sensing comprises a dam body and a rotating wheel. A sliding rail is movably connected with the exterior of the dam body, and a gate is movably connected with the exterior of the first sliding rail. A motor is movably connected with the exterior of the dam body, a rotating rod is movably connected with the exterior of the motor, and gearsare fixedly connected with the exterior of the rotating rod. A connecting block is movably connected with the exterior of the rotating wheel, a first connecting rod is movably connected with the exterior of the connecting block, and a moving block is movably connected with the interior of the first connecting rod. Due to the mutual cooperation of the dam body, the first sliding rail, the gate, the motor, the rotating rod and the gears, when the opening and closing operation of the gate is conducted, the time and labor waste and the low efficiency caused by the manual operation can be avoided,and water flow connection and disconnection under the emergency conditions can also be more convenient. In addition, the gears rotate to drive the gate to ascend and descend, and therefore the influence of the phenomenon that the gate corrodes and rusts to generate the high friction force can be reduced.
Owner:马卫富
Integrated tester for LED driving power supply
PendingCN107831451AImprove securityImprove reliabilityPower supply testingCombined testElectrical and Electronics engineering
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA ZHONGSHAN INST
Multifunctional electricity-saving switch and method for automatically switching on and off mobile phone regularly
InactiveCN101867661ADrain controlConvenient on-offCurrent supply arrangementsElectric switchesControl theoryAnimal husbandry
The invention relates to a multifunctional electricity-saving switch and a method for automatically switching on and off a mobile phone regularly, aiming at automatically switching on and off electric equipment so as to save the electricity. The electric equipment can be switched on and off because the mobile phone can vibrate regularly. One power line is connected with the electric equipment, and the other power line is connected with the electric equipment through contact points which are connected in series. The static contact point of the multifunctional electricity-saving switch is arranged on the inner wall of the shell of the electric equipment, and the movable contact point is arranged on the inner wall of the shell of the electric equipment through an elastic sheet; and a press button on the movable contact point penetrates through a hole disposed on the shell of the electric equipment and protrudes from the shell of the electric equipment. The mobile phone which can vibrate regularly is arranged on the press buttons on the contact points slantwise and can automatically slide off the press buttons under the dead weight when vibrates so that the movable contact point and the static contact point can be switched on and off, and the press buttons can be reset under the elastic force. The multifunctional electricity-saving switch has the characteristics of compact structure, is sensitive and reliable and can accurately switch on and off the electric equipment regularly, thereby being widely applied to the life and the work of people and the electric equipment used in the fields of the industry, the agriculture and the animal husbandry.
Owner:孙柏昌
High-precision dispensing valve for COB
InactiveCN103495525AStable jobConvenient on-offLiquid surface applicatorsCoatingsValve seatEngineering
The invention discloses a high-precision dispensing valve for COB. The high-precision dispensing valve for COB comprises a valve seat (4), a pump block (5) and a connecting part fixedly connected to the outside of the valve seat. The pump block is provided with an inner slide (6) communicated with the valve seat. An injection rod (1) in sliding fit with the slide is fitted in the slide. A drain connector (7) is communicated with the bottom of the valve seat. A spool component capable of controlling connection and disconnection between the valve seat and the drain connector is disposed inside the valve seat. The connecting part comprises an inlet passage (8) communicated with the valve seat. One end of the inlet passage, far away from the valve seat, is provided with an exhaust hole, and an exhaust screw (9) is fitted to the exhaust hole. The high-precision dispensing valve for COB has the advantages that the exhaust hole and the exhaust screw provided for the inlet passage are good for pre-dispensing exhausting and guarantee operational stability of the dispensing valve; first and second seal rings and sliding fit between the seal fits allows residual liquid to be discharged out of the valve block and the valve block to be sealed; the valve seat and the drain connector can be connected and disconnected conveniently and fast through the spool component and a stem on a spool of the spool component.
Owner:TONGLING FUSHI SANJIA MACHINE
Heat-preservation electric cooker with functions of uniform heating and quick heating
InactiveCN108937540AEasy to cleanImprove cleanlinessCooking-vessel lids/coversCooking vessel constructionsSlide plateEngineering
The invention discloses a heat-preservation electric cooker with the functions of uniform heating and quick heating. The electric cooker comprises supporting rods, a base and return springs, wherein limiting threaded rods are arranged in the supporting rods, a shell is installed on the base, and the base is located on the supporting rods. An insertion hole is formed in the rear end of the shell, the rear end of the insertion hole is provided with a sliding plate, a poke piece is installed at the front end of the shell, and a release rod is installed on the poke piece. Grabbing arms are arranged on the left side and the right side of the shell respectively, a heat-insulated plate is installed on the return springs, and the return springs are located in the shell. Heating wires are arrangedin the heat-insulated plate, and magnetic conductive stainless steel is arranged in the heating wires. By arranging the supporting rods and the base, the situation is prevented that when the electriccooker works, there is an included angle between the horizontal center line of the electric cooker and the level ground, so that the cooking time of the electric cooker is long, or the electric cookeris not evenly heated; a user conveniently clean the base, and it is ensured that the base is clean.
Owner:周玉兰
Crane track change and docking device
Owner:安徽克鲁克智能装备有限公司
A wheel set automatic painting device
The invention relates to an automatic paint brushing device for wheel sets, which includes a first driving mechanism, a rotating mechanism, a wheel set rolling mechanism, a rocker arm assembly, a chute, a frame structure, a second driving mechanism and a paint brushing device; wherein: the frame The two sides of the top of the structure are symmetrically provided with chutes for accommodating the wheel sets; the bottom of the frame structure is fixedly provided with a first driving mechanism, which is connected to the rotating mechanism fixed on the side wall of the frame structure and drives the rotating mechanism to rotate The fixed component is fixed on the side of the frame structure and supports the wheel pair rolling mechanism; the second driving mechanism works to drive the rocker arm assembly to rotate around its rotational connection with the frame structure, and the rocker arm assembly rotates to push the wheel pair to roll to the wheel. At the rolling mechanism, the rolling mechanism works to drive the wheel pair to rotate; the paint brushing device is located under the wheel set at this time, and the paint brushing device works to paint the wheel set, which avoids the problem of manpower pushing the wheel set and manual painting, and improves the While painting efficiency, it can effectively ensure the safety of employees.
Owner:HUAINAN MINING IND GRP
Negative oxygen ion generator
PendingCN110975149ASolve problems that are not convenient for treatmentFacilitate adjuvant therapyMechanical apparatusElectrotherapyOxygen ionsControl theory
The invention provides a negative oxygen ion generator. The negative oxygen ion generator comprises a generator body, a filter screen, control buttons, an air inlet fan, a generation bin, a flow guidefan, a high-voltage discharge module, an oscillation module, a boost driving module and a timing module, wherein the filter screen is mounted below the front end surface of the generator body; the control buttons are installed on the upper end surface of the generator body; the air inlet fan is mounted on the rear side of the filter screen; the flow guide fan is mounted on the rear side of the air inlet fan; the generation bin is arranged at the rear side of the flow guide fan; the timing module is mounted on the upper side of the generation bin; the output end of the timing module is connected with the input end of the boost driving module; the output end of the boost driving module is connected with input end of the oscillation module; and output end of the boost driving module is connected with the input end of the high-voltage discharge module. By means of the design, the problem that original negative oxygen ions are inconvenient to treat is solved; and the negative oxygen ion generator is reasonable in structure, convenient to assemble and install and good in adjuvant therapy effect.
Owner:刘红宝
Assembly method of multi-stage oil cylinder
The invention provides an assembling method of a multi-stage oil cylinder, which is characterized in that a telescopic assembly in each stage of cylinder body is regarded as a whole, a lower-stage telescopic assembly is directly sleeved in an upper-stage cylinder body, and the assembling method is used for sequentially outwards assembling cylinder body at each stage from the innermost telescopic assembly and comprises the following circulating steps of: vertically placing the upper-stage cylinder body with an upward opening; the upper stage of cylinder body is clamped from the outer side; vertically dropping the lower-stage telescopic assembly into the upper-stage cylinder body, wherein in the dropping process, certain air is reserved between the bottom end of the lower-stage telescopic assembly and the bottom end of an inner hole of the upper-stage cylinder body by controlling connection and disconnection between the inner hole of the upper-stage cylinder body and external air, so that an isolation gap is formed; and tightening a guide sleeve between the upper-stage cylinder body and the lower-stage telescopic assembly by using specified torque. The assembling method of the multi-stage oil cylinder has the advantages that the design is scientific, the cleanliness can be guaranteed, the guide sleeve can be tightened, and the assembling quality is good.
Owner:郑煤机智鼎液压有限公司 +1
Bookshelf book self-cleaning device and system based on state detection
ActiveCN113477616AAvoid cross contaminationPrevent spillageMeasurement devicesDirt cleaningEngineeringAtmospheric sciences
The invention discloses a bookshelf book self-cleaning device and system based on state detection, and relates to the technical field of book management. A transverse dust guide notch matched with a pair of dust suction pipe heads is formed in the bottom of the front side face of a back plate of each placement layer of the bookshelf; the back side of the bookshelf is provided with an air inlet pipeline connected with air supply branch pipes and an air return pipeline connected with air return branch pipes; a plurality of inclined plate dust guide through grooves located in the lower side of an inner inclined plate are formed in the inner inclined plate, a bottom side dust guide plate is arranged at the lower end of a front side contact plate, and a plurality of bottom side dust suction through grooves are formed in the bottom of the front side contact plate and located above the bottom side dust guide plate; and a distance sensor is embedded in the lower side of an air outlet pipe of a handheld wireless fan. According to the bookshelf book self-cleaning device, dust on the upper sides of books or the plate face of the bookshelf is correspondingly blown inwards through the handheld blower, negative-pressure guide dust collection is conducted, dust overflowing during cleaning of the books on the bookshelf is avoided, and meanwhile cross contamination caused by a large amount of dust between the books is avoided.
Owner:ANHUI UNIV OF SCI & TECH
Gas alarm calibrating device
PendingCN111784993AEasy to install and disassembleImprove sealingAlarmsReliability engineeringElectrical and Electronics engineering
The invention provides a gas alarm calibrating device. The gas alarm calibrating device comprises a gas alarm calibrating module, a gas path module, a portable ventilation box and a diffusion cover connector, the diffusion cover connector is located in the portable ventilation box and used for clamping a gas alarm to be calibrated, and the gas alarm calibrating module is connected to the gas alarmto be calibrated through the gas path module so as to calibrate the gas alarm. According to the gas alarm calibrating device, the calibrating efficiency is improved by three times, the labor intensity of calibrating personnel is greatly reduced, and the risk of occupational diseases is reduced. Therefore, the gas alarm calibration process becomes convenient, quick, safe and efficient, and a veryideal use effect is achieved.
Owner:CHINA PETROLEUM & CHEM CORP +1
Butt joint device and cooling fan
PendingCN110707467ARealize wireless transmissionVoltage regulationLighting and heating apparatusCoupling device detailsWireless transmissionAC - Alternating current
The invention provides a butt joint device and a cooling fan, and the device comprises a first butt joint structure which comprises a first metal coil suitable for being connected with a first AC wireand a first insulation shell surrounding the first metal coil; a second butt joint structure which comprises a second metal coil suitable for being connected with a second alternating current wire and a second insulation shell surrounding the second metal coil; and a metal core which is suitable for being at least partially and simultaneously arranged in the first metal coil and the second metalwire in a working state. According to the butt joint device, the metal coils is arranged in an insulating shell according to the principle of a transformer, direct contact between the conductive partsis avoided, so that the butt joint device is prevented from electric leakage due to contact between the conductive parts and the outside in the power-on process, the power utilization safety is ensured, wireless transmission of current is realized, meanwhile, the voltage of an electric wire can be adjusted, and the application range is wider.
Owner:GREE ELECTRIC APPLIANCES INC
Intelligent controll vortex street flow sensor
ActiveCN100533070CEasy Fluid ControlHigh precisionVolume meteringVolume/mass flow by dynamic fluid flow effectCouplingActuator
The invention relates to an instrument pipeline fluid control device, comprising bracket, shaft coupler, radiator, protective cover, electric actuator, high temperature ball valve and vortex flow sensor, where the casing of the electric actuator is a lengthened casing, the electric actuator is installed through the bracket on an actuator platform of the high temperature ball valve and the shaft coupler connects the electric actuator and high temperature ball valve; circuit board of the vortex flow sensor is directly installed in the lengthened casing, and the protective cover and radiator are arranged between the main body of the vortex flow sensor and the electric actuator; probe signals are transmitted through leads to signal amplification circuit board. And it has advantages of convenient to measure and convenient to control pipeline ON / OFF.
Owner:NANJING XIAO INSTR MEASUREMENT
Energy-saving wall suitable for non-heating indoor bathroom
InactiveCN112695915APromote circulationGood energy saving effectHeating fuelLighting and heating apparatusThermodynamicsEngineering
The invention provides an energy-saving wall suitable for a non-heating indoor bathroom, and belongs to the technical field of main wall energy saving. The energy-saving wall suitable for the non-heating indoor bathroom comprises a base layer wall and a gas insulation assembly, wherein the base layer wall comprises a main wall body, a cavity is formed in the main wall body, the gas insulation assembly comprises a gas inlet pipeline, a gas outlet pipeline, an electric heating pipe and an energy supply piece, the gas inlet pipeline and the gas outlet pipeline are arranged in the cavity, and the energy supply piece comprises a solar panel and a storage battery pack. The solar panel and the storage battery pack are arranged outside the main wall body, so that power is supplied to heat the electric heating pipe arranged inside the gas outlet pipeline, the energy-saving effect is increased, external air which flows into the gas outlet pipeline flows into an external non-heating bathroom after being heated, the internal temperature of the bathroom is increased, the using effect of the non-heating bathroom is increased, and the effects of energy conservation and environmental friendliness are achieved.
Owner:王爱林
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