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Semiconductor device and method for fabricating the same
InactiveUS20050161766A1Reduced areaSmall spacingSemiconductor/solid-state device detailsSolid-state devicesInter layerDevice material
The semiconductor device comprises an inter-layer insulating film 18 formed over a substrate 10, a fuse 26 buried in the inter-layer insulating film 18, and a cover film 30 formed over the inter-layer insulating film 18 and having an opening formed therein down to the fuse 26. The inter-layer insulating film 18 is formed in contact with the side wall of the fuse 26 in the opening, whereby the fuse 26 is supported with the inter-layer insulating film 18 to thereby prevent the pattern collapse and pattern scatter. The wide scatter of the fuses can be prevented, and the fuses can be arranged in a small pitch.
Owner:FUJITSU LTD
Refrigerator
ActiveCN101358794AEasy to operateOff stableLighting and heating apparatusDomestic refrigeratorsEngineeringPressure reduction
The invention provides an electric refrigerator that is convenient to operate open and close of cover of a storage chamber of a pressure reduction chamber, for example, a gas conditioning chamber. The electric refrigerator having a refrigerating chamber and a freezing chamber comprises a gas conditioning chamber in a shape of box for changing the state of gas in the refrigerating chamber, wherein said gas conditioning chamber comprise an opening part that opens in the front, a cover component that closes the opening part, a guiding component that is mounted in the left and right of the cover component and makes the cover component move fore and aft, and a synchronizing unit (gear, rack and so on) that synchronizes the movement of the guiding component.
Owner:HITACHI APPLIANCES INC
Steaming and baking all-in-one machine
ActiveCN111184434AStable maximum openingOff stableSteam cooking vesselsRoasters/grillsMechanical engineeringSteaming
The invention relates to a steaming and baking all-in-one machine, comprising an inner container. A first exhaust port and a second exhaust port are formed in a back plate of the inner container, thefirst exhaust port is higher than the second exhaust port, and connector assemblies capable of opening and closing the corresponding exhaust ports and adjusting the opening size are arranged in the first exhaust port and the second exhaust port. Compared with the prior art, according to different cooking modes and the cooking requirements of different dishes in the same cooking mode, the exhaust ports can be opened and closed or the opening sizes of the exhaust ports can be adjusted, and therefore the steaming and baking all-in-one machine can obtain a good cooking effect in the different cooking modes and when the different dishes are cooked.
Owner:NINGBO FOTILE KITCHEN WARE CO LTD
Intelligent electrically-operated check valve
ActiveCN104482256ASignificant progressExtended service lifeDomestic stoves or rangesOperating means/releasing devices for valvesCouplingEngineering
The invention provides an intelligent electrically-operated check valve. The intelligent electrically-operated check valve comprises a check valve support, an air duct, a check valve plate, a magnetic seal ring and an intelligent controller, wherein the air duct is arranged on the check valve support; the check valve plate arranged in the air duct is perpendicular to the axis of the air duct; a pin roll enabling the check valve plate to rotate is arranged in the air duct; the magnetic seal ring fixedly arranged on the inner wall of the air duct consists of two half magnetic seal rings positioned on the upper and lower sides of the check valve plate, and is used for sealing a gap between the check valve plate and the inner cavity of the air duct; the intelligent controller is fixed on the check valve support, is connected with the pin roll through a coupling, and is used for controlling the rotation of the pin roll; micro switch sensors are arranged on the check valve support on two sides of the coupling; the coupling is provided with two mutually perpendicular contacts along the direction perpendicular to the axis of the coupling. The intelligent electrically-operated check valve adopts integrated arrangement, is simple in structure and convenient to use, and prevents a motor from starting at negative pressure or being blocked.
Owner:江西厨味洁消防设备有限公司
Flowerpot fixing device having air purifying function
InactiveCN107787716AWith air purification functionReduce pollutionGas treatmentDispersed particle filtrationAir cleaningEngineering
The invention discloses a flowerpot fixing device having an air purifying function. The flowerpot fixing device comprises an outer supporting housing and a repair cover, wherein a fixing groove is formed in the upper end of the outer supporting housing, a supporting table is installed in the fixing groove and is connected with a rack rod through a supporting rod penetrating-fixing groove, the lower end of the supporting table is connected with the fixing groove through a second compression spring, the rack rod is connected with a threaded rod through a gear, two ends of the threaded rod are connected with the outer supporting housing through bearings, connecting rods are connected to outer sides of two ends of the threaded rod, and clamping plates are connected to the outer ends of the connecting rods. The flowerpot fixing device having the air purifying function can make the clamping plates on the left side and the right side of a flowerpot close to each other under the gravity effectof the flowerpot so as to clamp and fix the flowerpot, the larger the mass of the flowerpot is, the tighter the flowerpot is clamped, and the flowerpot fixing device has the air purifying function tofacilitate air pollution reduction and can facilitate repair performed by maintenance workers.
Owner:JIANGSU HUAXIA INTPROP SERVICE CO LTD
DC power source device and power conversion method
ActiveUS20140063860A1Improve power factorOff stableEfficient power electronics conversionAc-dc conversionPower factorTransformer
FETs disposed in a DC / DC converter are each driven by a drive transformer. A voltage from a single drive power supply disposed in common for the FETs is divided into positive and negative biases to be applied to the FETs, and an operational state of the FETs is detected based on voltage signals. A sequence circuit turns on an input from a three-phase AC power supply by driving a relay circuit at a time point when it is confirmed that the FETs have normally started stable ON / OFF operation, and drives a power factor improvement circuit, which converts AC voltage from the three-phase AC power supply into a DC voltage by simultaneously performing full-wave rectification and power factor improvement.
Owner:MITSUBISHI ELECTRIC CORP
Electromagnetic operation device
InactiveCN1725407AOff stableHigh-tension/heavy-dress switchesAir-break switchesEngineeringThree-phase
Owner:HITACHI LTD
Drifting guide window
PendingCN108571259AWill not be deformed or damagedExtended service lifePin hingesSealing arrangementsEngineeringBilateral symmetry
The invention discloses a drifting guide window which comprises drifting window sashes, wherein the drifting window sashes are arranged in a left-side window frame and a right-side window frame communicated with each other; guide rails are arranged at the upper and lower ends of the left-side window frame and the right-side window frame; the drifting guide window further comprises a supporting device, a left guide piece and a right guide piece; the supporting device is arranged at the upper end of the drifting window; the left guide piece is arranged at the lower end of the drifting window; and the right guide piece is in bilateral symmetry with the left guide piece. The drifting guide window provided by the invention is less in types of connecting pieces and simple in structure, the connecting pieces are difficult to deform and clamp, the window has a labor-saving effect and is convenient to close and stable to open, the connecting pieces are easy to manufacture and mount, the drifting window is low in production cost, the window can be opened to ventilate on rainy days, and the safety and the sealing performance are excellent.
Owner:张伟
Refrigerator door hinge with damping buffering structure
PendingCN109681063AAchieve closureSolve inertial rotationLighting and heating apparatusWing accessoriesEngineeringCam
The invention relates to the technical field of hinges, and discloses a refrigerator door hinge with a damping buffering structure. The refrigerator door hinge comprises a base used for connecting a refrigerator cabinet body, and a connecting rod used for connecting a refrigerator door, wherein the base is rotatably connected with a cam disc by virtue of a center pin shaft, one end of the connecting rod is provided with a connecting hole used for being connected with the refrigerator door, the other end of the connecting rod is connected with the cam disc by virtue of a first hinge shaft, thebase is provided with a cam jacking and pressing mechanism for controlling the rotating speed of the cam disc, and the cam jacking and pressing mechanism comprises a cam jacking and pressing head applying the pressure onto a cam surface of the cam disc; and the base is also provided with a damper for retarding the closing speed of the refrigerator door, the connecting rod is provided with a connecting rod extension section, and the end part of the connecting rod extension section is in contact with the damper when the refrigerator door rotation angle is smaller than or equal to a set criticalangle. By adopting the refrigerator door hinge with the damping buffering structure, the user experience to open and close the refrigerator door is improved, and the service life of products is prolonged.
Owner:JIANGSU SACA PRECISION TECH CO LTD
Filter device
ActiveCN102802753AEnsure closure functionOff stableMembrane filtersMachines/enginesFilter elementOil filter
The present invention relates to a filter device (1), in particular an oil filter, having a filter housing cover (2) which delimits a receiving chamber (5) and in which is arranged an annular filter element (6), having a housing (4) in which a dome (15) is arranged centrally and to which the filter housing cover (2) is screwed, having at least one intermediate piece (3) which is arranged between the filter housing cover (2) and the housing (4) when the filter housing cover (2) is screwed to the housing (4), having a housing-side inlet duct (7) which communicates with an untreated side of the annular filter element (6), and a housing-side outlet duct (8) which communicates with a clean side of the annular filter element (6), having a housing-side drainage duct (9) through which the receiving chamber (5) can be drained during the removal of the filter housing cover (2), having a closure device (11) which is arranged in the intermediate piece (3) so as to be rotatable about the filter axis (10) and which has a closure element (12) by means of which the drainage duct (9) can be closed off.
Owner:MAHLE INT GMBH
Guide rail return traction device
Owner:李绍汉
Flow path switch control device
InactiveCN102052468ASlow downOff stableOperating means/releasing devices for valvesLighting and heating apparatusDifferential pressureControl system
The invention discloses a flow path switch control device which is used for control systems, such as heating ventilating and air conditioning, refrigeration and the like. In the prior art, because the pressure of the upper part of a piston instantaneously lowers at the moment that a pilot valve is switched on and off, a larger pressure difference is formed between the upper part and the lower part of the piston to push the piston to move so as to generate strong impact with a piston stopping component, and the service life of a product and the operation stability of a refrigeration system are influenced. The flow path switch control device comprises a fluid inlet, a fluid outlet, a valve device and a pressure balance control loop, wherein the valve device is arranged between the fluid inlet and the fluid outlet; the pressure balance control loop is also provided with a regulation device for alleviating the pressure variation of fluid flowing through the pressure balance control loop when the flow path switch device is opened and closed, so that the flow path switch control device is stable when being switched on and off, the problems of intense vibration and high noise at the moment of high differential pressure movement are solved.
Owner:ZHEJIANG SANHUA CLIMATE & APPLIANCE CONTROLS GRP CO LTD
Connector
ActiveUS20180331452A1Simple structureSmall sizeEngagement/disengagement of coupling partsSecuring/insulating coupling contact membersEngineeringMechanical engineering
A connector includes a housing (10) having cavities (13) and deflectable and deformable locking lances (15) project into the cavities (13), and a front retainer (60) to be mounted into the housing (10) from the front. A terminal fitting (50) is inserted into the cavity (13) of the housing (10), and the locking lance (15) resiliently locks a lance receiving portion (54) so that rearward detachment of the terminal fitting (50) is restricted. The front retainer (60) includes a deflection restricting portion (77) configured to restrict the deflection of the locking lances (15), and a retaining portion (69) configured to lock retainer receiving portions (55) and retain the terminal fittings (50) by laterally approaching the terminal fittings (50) by a tilting displacement about a hinge (68) from an opening state to a closing state.
Owner:SUMITOMO WIRING SYST LTD
Filter device
InactiveCN102458598AOff stableGuaranteed functionSeparation devicesMembrane filtersInlet channelEngineering
The present invention relates to a filter device (1), particularly an oil filter, having a filter housing cover (2) bounding a receiving chamber (5), in which a ring filter element (6) is disposed, having a housing (4) in which a dome (15) is centrally disposed, and onto which the filter housing cover (2) can be threaded, having at least one intermediate piece (3) disposed on the filter housing cover (2) threaded onto the housing (4) between the filter housing cover (2) and the housing, having an inlet channel (7) on the housing side communicating with an unfiltered side of the ring filter element (6) and an outlet channel (8) on the housing side communicating with a clean side of the ring filter element (6), having an idler channel (9) on the housing side, through which the receiving chamber (5) can be emptied when the filter housing cover (2) is removed, having a closure device (11); rotatably disposed about the filter axis (10) comprising a closure element (12) by means of which the idler channel (9) can be closed off.
Owner:MAHLE INT GMBH
Accident quick gate falling speed regulation device for wind hoist and control method
ActiveCN107558446ASolve problems with complex dynamics that are difficult to controlPrevent runawayBarrages/weirsHydro energy generationEngineeringDamping torque
The invention discloses an accident quick gate falling speed regulation device for a wind hoist and a control method. The accident quick gate falling speed regulation device comprises a brake, a height gauge, a speed sensor and a controller. The balancing magnitude relation of damping torque and holding force of the brake is controlled by acquiring the comparison value of the gate falling speed and the predetermined speed, and the purpose that a gate falls down at the predetermined speed is achieved; by acquiring the gate falling speed and the position signal, control is conducted according toa sequence closing method, quick falling of the gate and timely water flowing speed reduction are achieved, a hydraulic turbine set is prevented from operating in a runaway manner, the gate slowly falls into a bottom sill, the impact is reduced, and the gate and the bottom sill are protected from being damaged due to impact. According to the accident quick gate falling speed regulation device forthe wind hoist and the control method, the full-closed-loop automatic redundancy design is adopted, it is guaranteed that the gate is quickly, stably and safely closed in time under the accident state.
Owner:湖南联诚能源发展有限公司
Distribution box capable of conveniently cleaning inner dust
InactiveCN107579451AOff stableThorough and effective dust removalSubstation/switching arrangement detailsDistribution frameIndustrial engineering
The invention relates to a distribution box and in particular relates to a distribution box capable of conveniently cleaning inner dust. The technical problem to be solved in the invention is to provide a distribution box capable of conveniently cleaning inner dust through which a circuit board inside the distribution box can be moved out of the distribution box without removing electric wires. Inorder to solve the technical problem, the invention provides such a distribution box capable of conveniently cleaning inner dust, comprising a door cover, a distribution frame, a partition plate, a hinge, a take-up mechanism, a fixing mechanism, a sliding mechanism, a circuit board and a bottom plate, wherein a first wire inlet is formed in the top of the distribution frame; the door cover is hinged to the outer side wall of the distribution frame through the hinge; the partition plate is fixedly connected to the upper part of the inner wall of the distribution frame and is provided with a second wire inlet; and the take-up mechanism is arranged on the upper part in the distribution frame. According to the distribution box disclosed by the invention, the effect of moving the circuit boardinside the distribution box out of the distribution box without removing any electric wire can be achieved.
Owner:浙江江山博奥电气有限公司
Reduced-pressure type backflow preventer
ActiveCN106594325ABackflow effect is goodOff stableCheck valvesMultiple way valvesSpring forceEngineering
The invention discloses a reduced-pressure type backflow preventer which comprises a valve body, two check valves with the same structure and a drain valve, wherein a cavity is formed in the valve body, and a water inlet, a water outlet and a drain opening are formed in the valve wall of the valve body; the two check valves are fixedly mounted in the valve body through support pieces and are located at the water inlet and the water outlet respectively; the drain valve is mounted outside the valve body and located at the drain opening; each check valve comprises a valve seat, a valve clack, a rocker and a twins torsional spring; one side of each valve clack is hinged to the upper end of the corresponding valve seat, and rollers are mounted on the other sides of the valve clacks; the rockers are connected with the lower ends of the valve seats through pin shafts; the rollers are propped against the rockers and slide on the rockers; the pin shafts are sleeved with the twins torsional springs; and the spring forces of the twins torsional springs act on the rockers to keep the valve clacks in a normally-closed state, and the rollers on the valve clacks are enabled to roll on the rockers by external forces to realize the opening of the valve clacks. Owing to the twins torsional spring-rocker structures of the check valves, the reduced-pressure type backflow preventer achieves a better flow prevention effect.
Owner:GUANGDONG YONGQUAN VALVE TECH
Hydraumatic variable force buffer
The invention discloses a hydraumatic variable force buffer. The buffer comprises an oil cylinder, a spring, a piston assembly and a sealing system, wherein the spring, the piston assembly and the sealing system are all arranged in the oil cylinder, the spring is connected with the piston assembly, and the sealing system is arranged between the piston assembly and the inner wall of the oil cylinder. Compared with the prior art, the buffer provided by the invention has the following beneficial effects: when a door is closed, the buffer can dynamically generate corresponding counterforce according to the speed of the door and the magnitude of external force, the door can be smoothly closed so as not to make a sound; and 2, the structure is simple, the operation is easy, and the cost is cheap.
Owner:董芬芳
Connector
ActiveUS10224665B2Simple structureSmall sizeEngagement/disengagement of coupling partsSecuring/insulating coupling contact membersMechanical engineeringMental detachment
A connector includes a housing (10) having cavities (13) and deflectable and deformable locking lances (15) project into the cavities (13), and a front retainer (60) to be mounted into the housing (10) from the front. A terminal fitting (50) is inserted into the cavity (13) of the housing (10), and the locking lance (15) resiliently locks a lance receiving portion (54) so that rearward detachment of the terminal fitting (50) is restricted. The front retainer (60) includes a deflection restricting portion (77) configured to restrict the deflection of the locking lances (15), and a retaining portion (69) configured to lock retainer receiving portions (55) and retain the terminal fittings (50) by laterally approaching the terminal fittings (50) by a tilting displacement about a hinge (68) from an opening state to a closing state.
Owner:SUMITOMO WIRING SYST LTD
Pressure adjusting device of door hinge self-closing mechanism and door hinge comprising same
The invention relates to the technical field of hardware equipment, and discloses a pressure adjusting device of a door hinge self-closing mechanism and a door hinge comprising the pressure adjusting device. The door hinge comprises a fixed machine body and a movable machine body which are hinged, and the pressure adjusting device comprises a first sliding block, a second sliding block and a screw rod. The first sliding block is assembled in the movable machine body in a sliding mode and can slide in the telescopic direction of the self-closing mechanism, one end of the first sliding block is connected with the self-closing mechanism, and the other end of the first sliding block is provided with a first inclined surface; the second sliding block is assembled in the movable machine body in a sliding mode, the sliding direction of the second sliding block is perpendicular to the telescopic direction of the self-closing mechanism, and a second inclined surface connected with the first inclined surface in an abutting mode is arranged on the side face of the second sliding block. The screw rod is in threaded connection to the side wall of the movable machine body, and one end of the screw rod is rotationally connected with the end, away from the first sliding block, of the second sliding block. According to the door hinge with the pressure adjusting device, the pressure of the self-closing mechanism in the door hinge can be adjusted in real time, so that the door hinge can adapt to door bodies with different weights.
Owner:GUANGDONG MINGMEN LOCKS IND
Magnetic latching contactor and communication power supply system
ActiveCN101989515AOff stableAvoid shockElectromagnetic relay detailsEmergency power supply arrangementsEngineeringContactor
The invention discloses a magnetic latching contactor, comprising a main contact module and an auxiliary contact module. The main contact module comprises a fixing contact part and a moving contact part, provides the forward magnetic force to hold the contact of the moving contact part and the fixing contact part, and provides the backward magnetic force to separate the moving contact part and the fixing contact part when receiving the reversed control pulse from the external. The auxiliary contact module comprises a first conducting end and a second conducting end which are communicated mutually through an auxiliary contact switch. The auxiliary contact switch is set in a mode as follows: the moving contact part prompts the auxiliary contact switch to be disconnected when the moving contact part moves to or beyond the critical switching position, and the critical switching position is the position of the moving contact part which the main contact module just can not return back to the closing state due to the stop of the reversed control pulse. The invention further discloses a communication power supply system with the magnetic latching contactor. The magnetic latching contactor of the invention can realize the stable interruption of the contactor and ensure the safe power off of the battery in the communication power supply system.
Owner:VERTIV CORP
Semiconductor device
InactiveUS20100133650A1Off stableSlow changeSemiconductor/solid-state device detailsSolid-state devicesElectric fusesEngineering
A semiconductor device includes an electric fuse formed on a substrate. The electric fuse includes: a first interconnect formed on one end side thereof; a second interconnect formed in a layer different from a layer in which the first interconnect is formed; a first via provided in contact with the first interconnect and the second interconnect to connect those interconnects; a third interconnect formed on another end side thereof, the third interconnect being formed in the same layer in which the first interconnect is formed, as being separated from the first interconnect; and a second via provided in contact with the third interconnect and the second interconnect to connect those interconnects, the second via being lower in resistance than the first via. The electric fuse is disconnected by a flowing-out portion to be formed of a conductive material forming the electric fuse which flows outwardly during disconnection.
Owner:RENESAS ELECTRONICS CORP
Refrigerator door opening and closing control method based on angle and angular velocity, computer readable storage media and refrigerator
InactiveCN110887337AAngular velocity decelerationGuaranteed continuous stabilityDomestic cooling apparatusLighting and heating apparatusIceboxControl engineering
The invention provides a refrigerator door opening and closing control method based on angle and angular velocity, computer readable storage media and a refrigerator. The method comprises the steps that angle and angular velocity data of a refrigerator door are detected in real time, the opening and closing state of the refrigerator door is judged by analyzing the angle and the angular velocity, amotor is controlled to operate according to the opening and closing state of the refrigerator door, and therefore the speed of the refrigerator door is controlled. According to the refrigerator dooropening and closing control method based on the angle and the angular velocity, the computer readable storage media and the refrigerator, the angle and the angular velocity are judged, and the motor is intervened in the closing process of the refrigerator door, so that the secondary spring opening of the refrigerator door and the toppling of objects in the refrigerator caused by excessive force are avoided, and the refrigerator door are ensured to be stably closed.
Owner:GREE ELECTRIC APPLIANCES INC
Air exchange fan with automatic closed air inlet
PendingCN107956727ASolve the problem of being easily blown by the windOff stablePump controlPump installationsRotational axisElectric machine
The invention provides an air exchange fan with an automatic closed air inlet. The air exchange fan can reliably close an air exchange port when it is in an idle state. The air exchange fan comprisesa framework-shaped fan body, several window blades, and an electromagnet. The middle of the fan body is provided with the air exchange port, a motor and a fan blade are installed in the air exchange port; one side of the fan body is provided with several rotating shafts for mounting the window blades, and the window blades can freely rotate around the rotating shaft; one side of each window bladedeviating from the rotating shaft is provided with a moving shaft in a protruding manner, the moving shafts of all window blades are connected with link rods; the end parts of the link rods are provided with guide rods perpendicular to the link rods in a protruding manner; the fan body is provided with an arc guide slot, and the end part of the guide rod is located in the guide slot; the radius ofthe guide slot is equal to the space between the rotating shafts and the moving shafts on the same window blade, the central angle of the guide slot is 90 degrees; the end parts of the link rods areprovided with magnets; the electromagnet is connected with a power source of the air exchange fan through AC / DC converting circuit; the electromagnet is installed on the fan body, and faced to the lower end part of the guide slot.
Owner:XINYI HUIMEI ELECTRICAL APPLIANCES
Fireproof door for preventing and controlling mine fire
InactiveCN110593952ASatisfy the law of floatingAmbient air pressure dropsMining devicesActivated carbonHeat flow
The invention discloses a fireproof door for preventing and controlling a mine fire. The fireproof door comprises a door body and a manhole penetrating through the door body, wherein two sliding doorsare arranged in the door body, and the sliding doors are parallel to the door body and are slidably connected to the bottom of the manhole; the tops of the two sides of the door body are jointly connected to an air flow adjusting device and a pressure relief device; the two sliding doors are respectively arranged on the two sides of the door body, each sliding door communicates with a flow adjusting chamber on the same side of the door body and hermetically communicates with an airflow channel, and the joint of each airflow channel and the corresponding flow adjusting chamber is located in aspace below a partition plate in the corresponding flow adjusting chamber. According to the fireproof door for preventing and controlling the mine fire, two airflow flowing effects are formed by the air flow adjusting device and the pressure relief device, and the flow rates of the air flow adjusting device and the pressure relief device are different, so that a stable airflow flowing trend is formed in a plane, smoke and heat flow impact the fireproof door, flows in a direction parallel to the fireproof door and then flows out to form an airflow circulating process, the smoke is fully in contact with an activated carbon layer to absorb harmful substances, the airflow is guided conveniently, and fire extinguishing is facilitated.
Owner:HENAN UNIV OF URBAN CONSTR
Retracting device
ActiveCN105696890AReliable and buffered offOff stableBuilding braking devicesPin hingesFlareMechanical engineering
The invention relates to a retracting device used for a vane fan of a door or a window. The retracting device comprises a housing, a piston loaded with a spring unit and a drive component matching a pin bolt of the vane fan or a framework. A buffer space and a non-pressure space are arranged on the side oppositely of the piston. The drive component is coupled to the spring unit and guided in a chute guide device of the housing such that the drive component is driven by the pin bolt till the vane fan is opened to the pre-set flare angle of the vane fan while the spring unit is pressed. At the pre-set flare angle, the drive component deviates at the terminal position beyond the dead point. In the terminal position, the drive component releases the pin bolt and is kept by the spring unit. The drive component deviates again by the pin bolt till the closed vane fan reaches the pre-set flare angle such that the released and pressed spring unit can close the vane fan in a buffering mode under action of the spring unit by means of the piston.
Owner:GEZE GMBH
Oscillating bar crank isolating valve
ActiveCN101525676AAvoid stuck phenomenonOff stableBlast furnace detailsHeating stovesEngineeringButterfly valve
The invention discloses an oscillating bar crank isolating valve, which comprises a valve body, a valve cover, a flashboard and a driving device. The opening and closing of the flashboard uses a crank oscillating bar structure which comprises a crank, a crank shaft, a lever and an oscillating bar; wherein, the crank, the lever and the crank shaft are fixedly connected; one end of the lever is connected with the oscillating bar by a hinge and the other end of the oscillating bar is connected with a flashboard shaft by the hinge. Guide pads used for rotating, opening and shutting are arranged at two sides of the flashboard. The valve body is correspondingly provided with a slide rail. The driving device moves to drive the crank and the lever to swing around the crank shaft and drive the oscillating rod to swing. The flashboard swings along the oscillating rod and upgrades, and the valve opens. The driving device returns stroke, and the valve closes. The flashboard has a rotation, opening and shutting process correspondingly to the valve body in the instant of opening and shutting while a flashboard guide rod and the guidance of the slide rail of the valve are rotatably matched, thus avoiding the occurrence of the deadlocking phenomenon of a wedge block of the flashboard. The valve has the advantages of good sealing property and long service life of the flashboard, small volume, light weight, operational safety and moderate cost and the like of a butterfly valve and can be suitable for parting off working condition of middle and low temperature medium in blast furnace ironmaking.
Owner:SHILIN LUOHE METALLURGY EQUIP
Moveable-threshold fireproof protective airtight door of escape route of high-speed railway tunnel
PendingCN111350542AEasy to passEasy constructionMining devicesFireproof doorsRailway tunnelDoor threshold
The invention belongs to the technical field of civil defense doors and particularly relates to a moveable-threshold fireproof protective airtight door of an escape route of a high-speed railway tunnel. The moveable-threshold fireproof protective airtight door comprises a door frame, a door leaf, hinges, closing locks, a movable threshold and a sealing device. The door frame is installed on a tunnel wall. The door leaf is rotationally matched with the door frame through the hinges. The closing locks are installed on the door frame and are in sliding fit with the door frame. The movable threshold is installed at the bottom of the door frame and connected with the tunnel wall. When the door leaf is closed, the movable threshold abuts against the bottom of the door leaf. The sealing device isinstalled on the door frame and the door leaf. When the door leaf is closed, the door leaf is pressed to the movable threshold in an embedded manner. By arranging the movable threshold, the installation condition of the protective door is improved, a step is not needed when the protective door is installed, and the moveable-threshold fireproof protective airtight door has the feature of convenient construction. Meanwhile, the movable threshold can be detached, so that materials and personnel can conveniently pass, and therefore the moveable-threshold fireproof protective airtight door also the feature of high passage capacity.
Owner:GUANGZHOU METRO DESIGN & RES INST
Hydraulic damping door closer
InactiveCN105971434ANot easy to produceImprove performanceBuilding braking devicesDrive shaftControl theory
The invention discloses a hydraulic damping door closer, belonging to the technical field of door and window hardware, comprising a door closer body, a driving rod, and a driven rod. The door closer body includes a transmission shaft, a connecting rod, a piston, and a casing. The transmission shaft is connected in rotation with the housing, the piston is in transmission connection with the transmission shaft, the piston and the housing form a closed piston cavity, the piston cavity is provided with an energy storage spring, one end of the active rod is fixedly connected with the transmission shaft, and the other end Hinged with the driven rod, the driven rod is provided with a hydraulic damper and the driven rod is provided with a hinged end of the door body. The invention can realize the stable opening and closing of the door body, reduce impact and collision, prolong the service life of the door body, and has the advantages of simple structure, convenient maintenance and small occupied space.
Owner:CHENGDU RUIDA KEHENG TECH
An energy-saving and environment-friendly refrigerator freezer based on a link mechanism
The invention provides an energy-saving and environment-friendly refrigerator freezer based on a link mechanism, and relates to the technical field of energy conservation and environment protection. The energy-saving and environment-friendly refrigerator freezer based on the link mechanism includes a cabinet body, the right end of the cabinet body is rotatably connected with a cabinet door, and the inner side of the cabinet door is fixedly connected with a sealing strip. Position ball, the inside of the cabinet body is slidingly connected with a storage cabinet, the upper and lower sides of the storage cabinet inside the cabinet body are fixedly installed with limit strips, and the front side of the storage cabinet is rotatably connected with a sealing plate. The energy-saving and environment-friendly refrigerator freezer based on the link mechanism can isolate the ingredients in different storage cabinets from each other, avoid the occurrence of odors, save the use of plastic wrap, avoid a large loss of cold air, and avoid The phenomenon that the cabinet door bounces open due to excessive force ensures the stable closing of the cabinet door, improves the sealing effect, reduces the power consumption of the refrigerator, and is more energy-saving and environmentally friendly.
Owner:广东津晶电器有限公司
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