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1198results about How to "Innovative design" patented technology

Ultra-low power consumption and high-speed level shift circuit and method based on subthreshold conduction

An ultra-low power consumption and high speed level shift circuit and method based on subthreshold conduction comprises an input shift circuit and a low power consumption output buffer, the input shift circuit comprises a pull-up network, a pull-down network and a feedback transistor, the pull-up network is of a current mirror structure, the pull-down network is composed of a first pull-down tube and a second pull-down tube, and the feedback transistor is connected with the first pull-down tube and the second pull-down tube. A feedback transistor is added, and when input signal high level conduction succeeds, the current mirror structure is switched off; and the second pull-down tube uses a common-gate transistor, and pulls down the output end of the input shift circuit to a low level by using the sub-threshold conduction principle of the common-gate transistor when the input signal is at a low level. According to the invention, the conversion speed of the falling edge signal in the circuit is effectively improved, the time delay is reduced, the static power consumption is ultralow, the wide voltage conversion range is provided, and meanwhile, the area is very small.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +2

Pipe fitting connecting device

The invention discloses a pipe fitting connecting device, relates to the technical field of pipe fitting welding, and provides the following scheme that the pipe fitting connecting device comprises a mounting frame and further comprises a multi-size pipeline clamping mechanism, the multi-size pipeline clamping mechanism is mounted on the mounting frame, and the multi-size pipeline clamping mechanism comprises two sets of first hydraulic cylinders; rubber plates are fixed to the close ends of the first hydraulic cylinders in each set, and first pressure sensors are installed on the rubber plates. The clamping problem of different pipe fittings is met through the multi-size pipeline clamping mechanism, the problem that the circle centers are difficult to align is solved through the circle center correcting mechanism, the situation that the upwarp circle centers are difficult to align due to the flexibility of the pipe fittings is also solved, the attractiveness, the sealing performance and the straightness rate of welding are guaranteed, and the welding efficiency is improved. And the welding gun moving mechanism is matched with the welding gun mechanism to enable the welding gun to obliquely move upwards, slope type welding is achieved, attractiveness and firmness are achieved, and the sealing effect is good.
Owner:LIANZHI SECURITY TECHNOLOGY (JIANGSU) CO LTD

Special anti-fogery printing ink and production thereof

InactiveCN1613922AWidely used valueBig progressInksSolventMarking Ink
The invention is about a method of marking ink which is only used to defend fake. The composition of it is: lipidol or lipid, surface active agent, integration agent, water, buffering agent. Their mass percents are: 1,2-hexylene glycol: 5%-15%, butanol: 1-5%, DH-1: 5-10%, EDTA: 0.1-0.5%, MS-1: 0.1-1%, water: the rest. The process is: a. dissolving the colorant in water, b. put the correct percent of 1,2-hexylene glycol and butanol into the solvent, then dropping the MS-1 and EDTA solution when mixing the solvent for 30-50 min, c. put the rest precent of water into the printing ink box. The picture and word would be shown red fluorescence in the UV but blank in the usual light.
Owner:邱华生

Novel antibacterial peptide GG25 and application thereof

The invention is applicable to the technical field of polypeptides, and provides a novel antibacterial peptide GG25 and application thereof, and the amino acid sequence of the antibacterial peptide GG25 is as shown in SEQ ID No.1. The molecular weight of the novel antibacterial peptide GG25 is 2890.52 Da, and the novel antibacterial peptide GG25 has antibacterial activity on escherichia coli, klebsiella pneumoniae, pseudomonas aeruginosa, enterococcus faecalis, salmonella typhimurium, methicillin-resistant staphylococcus aureus, staphylococcus aureus, staphylococcus epidermidis, listeria monocytogenes and bacillus subtilis; the hemolytic activity is low, the cytotoxicity is small, and the escherichia coli and methicillin-resistant staphylococcus aureus are not easily induced to generate drug resistance; in addition, the gelatin chitosan food coating containing GG25 also has a good beef preservation effect, and can be applied to the fields of food, animal husbandry, medicine and the like.
Owner:JILIN UNIVERSITY

Lithium battery organic-inorganic composite flame-retardant diaphragm and preparation method thereof

InactiveCN119627364Aimprove performanceImproved thermal dimensional stabilityFire rescueCell component detailsElectrolytic agentPolymer science
The invention discloses a lithium battery organic-inorganic composite flame-retardant diaphragm which comprises a base material diaphragm and a flame-retardant layer on the outer side of the base material diaphragm, the base material diaphragm is a polyolefin diaphragm, and the flame-retardant layer is prepared from benzoxazine resin particles, natural clay mineral nanotubes and auxiliaries; the mass ratio of the benzoxazine resin particles to the natural clay mineral nanotubes is (40%-95%): (5%-60%). According to the present invention, the design is novel, the thermal stability and the flame retardant property of the polyolefin diaphragm in the lithium battery are effectively improved, the affinity of the polyolefin diaphragm to the electrolyte is improved, and the safety of the battery monomer is substantially improved.
Owner:ANHUI ZHONGKE RISHENG TECH CO LTD +1

Hydraulic engineering desilting equipment

The utility model discloses hydraulic engineering desilting equipment which comprises a sludge storage box, a supporting frame is fixedly installed on one side of the sludge storage box, a hydraulic cylinder is fixedly connected to the interior of the supporting frame, the output end of the hydraulic cylinder is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a connecting frame, and the other side of the connecting block is fixedly connected with a hydraulic cylinder. One side of the connecting frame is slidably connected with the supporting frame through a sliding block, a mounting box is fixedly welded to one side of the connecting frame, a driving motor is connected to the interior of the connecting frame through bolts, the output end of the driving motor penetrates through the mounting box to be in transmission connection with a rotating shaft, and two upper gears are fixedly connected to the surface of the rotating shaft; according to the desilting equipment for the water conservancy project, disclosed by the utility model, through the supporting frame, silt with different depths can be crushed and collected.
Owner:FUJIAN STRAIT YINGHANG CONSTR CO LTD

Intelligent pet cat litter basin capable of throwing and cleaning cat litter

The invention provides an intelligent pet cat litter basin capable of throwing and cleaning cat litter. The intelligent pet cat litter basin capable of throwing and cleaning cat litter comprises a cat litter basin cabin; and a worm type litter outlet module is mounted in the cat litter basin cabin. According to the intelligent pet cat litter basin capable of throwing and cleaning the cat litter, through cooperative use of the worm type litter outlet module and the movable door type cat litter cleaning module, excreted and polluted cat litter and cat excrement are cleaned and stored in the waste storage cabin under the fastest condition, so that a user can conveniently treat the cat litter, and the cat litter is convenient to use. The cat litter can be automatically cleaned, a cat owner does not need to shovel the litter manually, the conditions that separation is not thorough or damage and caking are caused in the shoveling process are avoided, the structure is simple, use is convenient, design is novel, and a user does not need to use any other tools in the daily cat litter cleaning and replacing process; and complicated cleaning work required by other cat litter basins can be quickly and simply completed.
Owner:XIANGKUN INTELLIGENT MANUFACTURING IND (SHENZHEN) CO LTD

Butterfly valve steel ladle bottom argon blowing refining device and using method thereof

ActiveCN119346812AImprove refining effectImprove exclusion effectMelt-holding vesselsProcess efficiency improvementBrickMolten steel
The invention relates to a butterfly valve steel ladle bottom argon blowing refining device and a using method thereof.The butterfly valve steel ladle bottom argon blowing refining device comprises a support and a molten steel containing component arranged on the support, and the molten steel containing component comprises a steel ladle barrel arranged on the support and a ladle wall brick arranged in the steel ladle barrel; a center air brick is embedded in the center of the ladle wall brick, a plurality of eccentric air bricks are arranged at the eccentric position of the ladle wall brick at equal intervals along the circumference, and air guide holes corresponding to the center air brick and the eccentric air bricks are formed in the bottom of the steel ladle cylinder. Finally, during working, the device integrates the eccentric argon blowing function and the central argon blowing function, the refining effect on molten steel can be effectively improved, and reliable guarantee is provided for the performance of a final butterfly valve finished product.
Owner:YANGZHONG FIRST BUTTERFLY VALVE FACTORY

Quantity-controlled feeding device of additive for producing nano purple light reflecting film and using method of quantity-controlled feeding device

The invention discloses a quantity-controlled feeding device of an additive for producing a nanometer purple light reflecting film and a using method, the quantity-controlled feeding device comprises a feeding box, supporting frames are symmetrically and fixedly welded to the two sides of the periphery of the feeding box, a base is fixedly connected to the bottoms of the two supporting frames, and a filter plate is fixedly welded to the interior of the feeding box; material leakage openings are formed in the surface of the filter plate, the lower end of the filter plate is rotationally connected with a control plate, through holes are formed in the positions, corresponding to the material leakage openings, of the surface of the control plate, the lower end of the control plate is fixedly connected with a fixing column, and the lower end of the fixing column is fixedly connected with a bevel gear; according to the quantity-controlled feeding device of the additive for producing the nanometer purple light reflecting film and the using method, through cooperation of the bevel gear and the bevel gear, the control plate rotates, the space rotation angle between the through hole and the material leakage opening is controlled, the gap between the control plate and the filter plate can be adjusted, and therefore the corresponding flow is controlled.
Owner:WUXI WANLI ADHESION MATERIALS

Fully sealed intelligent water meter anti-theft device

The present invention discloses a fully sealed intelligent water meter anti-theft device, including a main shell, a mounting groove is provided at the bottom of the main shell, and a sealing plate is sealed and connected at the bottom opening near the mounting groove, a plurality of fixed seats are evenly distributed and installed on the upper end surface of the sealing plate, a connecting shaft is vertically connected to the fixed seats, a connecting head is provided at the top of the connecting shaft, and the connecting head and the connecting shaft are an integrated structure, a plurality of connecting seats are fixedly connected inside the main shell, and the connecting seats and the connecting shaft are arranged one by one, a connecting hole is provided at the bottom of the connecting seat, and the connecting hole and the connecting shaft are clearance-matched, a placement groove is provided on one side of the main shell, and a buzzer is fixedly installed inside the placement groove. This fully sealed intelligent water meter anti-theft device has a simple and reasonable structure, a novel design, and is easy to install. It can effectively prevent the water meter from being disassembled during use, has high safety, and is convenient for wide promotion and use.
Owner:JIANGSU TANGLI INTELLIGENT TECH CO LTD

Lamp with lampshade convenient to repair and replace

The lamp with the lampshade convenient to repair and replace comprises a lamp body, a light source radiator, a power source box, the lampshade and two side covers, and the light source radiator is arranged on the back face of the lamp body; the lampshade is installed on the front face of the lamp body in a removable mode, and the front face of the lamp body is a light-emitting face. The two side covers are detachably mounted on the two sides of the power supply box; the two side covers abut against the two sides of the lamp body to form installation limiting of the lampshade. The lamp body is rotationally connected with the power supply box through a rotary damping combination, and the lamp body rotates to open the power supply box; locking pieces are arranged between the lamp body and the two side covers and used for locking rotation of the lamp body. The lampshade is designed in a pull-out mode to be matched with detachable installation of the side cover, and the lampshade can be pulled out to be replaced only by disassembling the side cover; the lamp body is rotationally connected with the power box through the rotary damping combination to form a rotary flip structure, the power box can be rotationally opened to deal with faults, and operation is simple.
Owner:XIAMEN GUANGPU ELECTRONICS CO LTD

Sintered ore tail gas treatment equipment

The utility model discloses sinter tail gas treatment equipment which comprises a water tank, a smoke inlet section, a filling section, an acceleration section and a heat exchange section which are sequentially arranged from bottom to top, circulating water heat absorption pipes are arranged in the water pool and the heat exchange section, the water pool is further connected with a water outlet pipe, a plurality of smoke inlet pipes are arranged in the smoke inlet section, a plurality of vertical packing pieces are evenly distributed in the packing section, and a plurality of spraying water pipes are arranged above the vertical packing pieces. The acceleration section comprises two dumbbell-shaped air ducts which are symmetrically arranged, the throat parts of the air ducts are provided with vertically upward pressure gas spray pipes, the upper sides of the air ducts are connected with horizontal reversing air ducts, the outlets of the horizontal reversing air ducts are provided with a plurality of vertical turbulent flow rods, and the outlets of the two horizontal reversing air ducts are opposite and are jointly connected with the heat exchange section; the upper side of the heat exchange section is opened; the temperature and the dust content of sintering flue gas are reduced through a water bath method, heat contained in the sintering flue gas can be used for heating circulating water, the circulating water can be used for boiler supplementary water, and the purposes of energy conservation and environment protection are achieved.
Owner:CANGZHOU CHINA RAILWAY EQUIP MFG MATERIALS CO LTD

Longitudinal watertight bulkhead of cruise ship junction station

A longitudinal watertight bulkhead of a cruise junction station belongs to the technical field of watertight bulkheads, comprises an outer plate, and is characterized in that an inner bottom plate is arranged at the bottom of an inner cavity of the outer plate, a first horizontal truss is arranged in the middle of the inner cavity of the outer plate, a second horizontal truss is arranged in the middle of the inner cavity of the outer plate, and the first horizontal truss and the second horizontal truss are arranged in parallel. A plurality of first vertical trusses are arranged at the top of the inner bottom plate, a plurality of second vertical trusses are arranged at the tops of the first horizontal trusses, a plurality of main deck supporting columns are arranged at the tops of the second horizontal trusses, and crotch structures are arranged on the outer surfaces of the main deck supporting columns; through the first horizontal truss, the second horizontal truss, the first vertical trusses, the second vertical trusses and the crotch structures which are arranged in the outer plate, the device has the advantages of being novel in design, simple in structure, high in safety, flexible in configuration and the like, the still water bending moment of an arch in a beam of a ship body can be reduced, and the structural weight of the whole ship is reduced; and meanwhile, deformation of the ship body beam can be effectively controlled.
Owner:SHANGHAI WAIGAOQIAO SHIP BUILDING CO LTD

Mirror glass spraying device with cooling function

The invention discloses a mirror glass spraying device with a cooling function, relates to the technical field of mirror processing, and provides the following scheme that the mirror glass spraying device comprises a supporting frame and further comprises a collecting mechanism, the collecting mechanism is installed on the supporting frame, and the collecting mechanism comprises a plurality of collecting boxes fixed to the supporting frame; two splash-proof cover plates are hinged to the top of the collecting box, and smooth films are fixed to the inner walls of the splash-proof cover plates; the lifting mechanism is mounted on the collecting mechanism; different spraying spaces are switched according to different steps in the workpiece spraying process, sprayed materials fall into a designated collecting box, the materials can be directly recycled and can be directly reused through the mode, the later separation cost caused by material mixing is reduced, full-automatic closed spraying is achieved in the operation process, and the spraying efficiency is improved. Mist materials are prevented from being diffused into air, and the health of workers is also protected under the condition that waste is avoided.
Owner:SHAHE KEZHENG MIRROR IND GLASS TECH CO LTD

Condensate water collecting device for breathing machine pipeline

The utility model discloses a condensate water collecting device for a breathing machine pipeline. The condensate water collecting device aims at solving the problem that in the prior art, a condensate water collecting device for a breathing machine pipeline still needs to be improved. The device comprises a condensate water temporary storage tank, a liquid level alarm device, a condensate water collecting tank and a condensate water disinfecting and discharging device, the liquid level alarm device is arranged in the middle of the side face of the condensate water temporary storage tank, and the lower side of the condensate water temporary storage tank is connected with the condensate water collecting tank in the middle of the breathing machine through a transfer valve and a condensate water transfer pipe. Condensate water in the condensate water collecting tank is discharged into the waste water tank through the disinfection and discharge device, a shell of the liquid level alarm device is connected with a trigger pipe through a positioning insertion pipe, an adjacent trigger electrode is arranged in the trigger pipe, a trigger water absorption bag is located on the upper side of the trigger pipe, a water inlet hole is formed in the side face of the shell, and a water absorption block is arranged in the shell. A sleeve is arranged in the middle of the side face of the condensate water temporary storage tank, and a trigger water absorption bag and a trigger pipe are arranged in the sleeve. The technique is reliable in alarm and reduces the risk of contact, handling and exposure of unsterilized condensate water.
Owner:THE FIRST AFFILIATED HOSPITAL OF HAINAN MEDICAL UNIV

Edible oil refining and precipitating device

The invention discloses an edible oil refining and precipitating device, and belongs to the technical field of edible oil treatment.The edible oil refining and precipitating device comprises two supporting plates, fixing boxes are fixedly connected between the two supporting plates, a precipitating box is fixedly connected to the bottoms of the fixing boxes, a mounting plate is fixedly connected between the two fixing boxes, and a filter screen is arranged in each fixing box; a swing filtering assembly is arranged above the fixing box and used for conducting preliminary filtering treatment on edible oil, a lifting and twisting assembly is arranged at the bottom of the swing filtering assembly, the lifting and twisting assembly is rotationally connected with the mounting plate, and the lifting and twisting assembly is used for driving the swing filtering assembly to ascend, descend and twist in a reciprocating mode; and the bottom of the lifting and twisting assembly is provided with a driving and filtering assembly. According to the edible oil centrifugal separation device, multiple times of filtering separation can be conveniently carried out, and the device can shake in the transverse direction and the longitudinal direction during centrifugal separation, so that the contact position of edible oil and the filtering holes is continuously changed, and high-quality and high-efficiency separation is guaranteed.
Owner:WEIYUAN COUNTY WEIBAOYUAN TRADING CO LTD

Auxiliary positioning clamp for milling exhaust manifold

According to the auxiliary positioning clamp for milling the exhaust manifold, an inclined positioning supporting device is arranged on the right side of the upper end face of a bottom plate, and when the inclined positioning supporting device is connected with a flange at the lower end of a middle pipe of the exhaust manifold in a matched mode, an upper end pipe of the exhaust manifold is in a horizontal state, and a pipe opening in the elbow end of the upper end of the exhaust manifold is parallel to the corresponding side wall face of the bottom plate; the left side of the upper end face of the bottom plate is provided with a positioning and supporting assembly used for supporting the elbow end of the upper end of the exhaust manifold and determining the center position of a pipe opening, and the positioning and supporting assembly is matched with a pressing assembly arranged on the upper end face of the bottom plate to fixedly support the elbow end of the upper end of the exhaust manifold on the bottom plate. Initial positioning conditions are provided for the center of a pipe opening of the upper end pipe of the exhaust manifold, reliable supporting and fixing of the exhaust manifold on the bottom plate are achieved, the defect that a traditional clamp is high in requirement for machining equipment is overcome, machining cost is reduced, the exhaust manifold can be accurately and rapidly positioned and clamped, production cost is reduced, and the machining efficiency is improved. Equipment limitation is eliminated, and the production requirements of parts are met.
Owner:SHANNXI DIESEL ENGINE HEAVY IND

Wax cutting, worm clamping and pulp digging all-in-one machine

The utility model relates to the technical field of bee-keeping industry production machinery design, in particular to a wax cutting, worm clamping and pulp digging all-in-one machine which is characterized in that a royal jelly platform base strip frame is vertically erected on an all-in-one machine rack, a royal jelly platform base strip moving device is arranged below the royal jelly platform base strip frame, and a beewax cutting knife is arranged at the outward moving end of the royal jelly platform base strip moving device; the beewax cutter is arranged on the base bar, the blade of the beewax cutter faces inwards, the honeycomb imaging device is located on one side of the insect clamping mechanical arm, the insect clamping mechanical arm is a double-needle rotary insect clamping mechanical arm, the honeycomb imaging device and the double-needle rotary insect clamping mechanical arm face the royal jelly platform base bar, and the royal jelly platform base bar is transferred to the royal jelly digging device through the base bar overturning device to dig royal jelly and discharge royal jelly. The all-in-one machine can fully automatically complete the processes of wax cutting, worm clamping, transferring and royal jelly digging in the royal jelly production process, the whole production process can be fully automatically completed by equipment except for feeding, a large amount of labor force is saved, the royal jelly production efficiency is high, and the occupied area is small.
Owner:HANGZHOU JINGYAN ELECTRONICS TECH CO LTD

Grinding machine for laser cladding middle trough

InactiveCN119501745AConvenient for blowing and coolingimprove securityGrinding drivesGrinding machinesMachinePhysics
The invention discloses a grinding machine for laser cladding of a middle trough, and belongs to the technical field of middle trough machining, the grinding machine comprises two bottom plates, a plurality of guiding and conveying assemblies are arranged at the tops of the bottom plates in an array mode, the guiding and conveying assemblies are used for conveying the middle trough, and supporting rods are fixedly connected to the two sides of the tops of the bottom plates; a sliding rail is fixedly connected to the top end of the supporting rod, an adjusting and grinding assembly is arranged on the sliding rail in a sliding mode, the adjusting and grinding assembly is attached to the inner wall of the middle groove for grinding, a pressing assembly is arranged on the adjusting and grinding assembly, and the pressing assembly provides downward extrusion force for the adjusting and grinding assembly. And two moving assemblies are fixedly connected to the adjusting and polishing assembly. The inner wall of the upper side of the middle groove can be conveniently and comprehensively ground, grinding is carried out while moving, the grinding efficiency is improved, meanwhile, blowing cooling is carried out during grinding, the middle groove is driven to slide in a reciprocating mode during grinding, staggered movement of the middle groove and a grinding structure is achieved, and therefore the grinding effect and efficiency are improved.
Owner:GANSU RONGHE GRP COAL MASCH CO LTD

Lubricating oil supplementing device of diesel engine

According to the lubricating oil supplementing device for the diesel engine, the diesel engine is communicated with an engine belt lubricating oil bottom shell through a diesel lubricating oil system, and needed lubricating oil is provided for the diesel engine through the diesel lubricating oil system; a lubricating oil supplementing tank is arranged outside the machine belt lubricating oil bottom shell, the upper end and the lower end of the lubricating oil supplementing tank communicate with the machine belt lubricating oil bottom shell through a lubricating oil supplementing loop, and lubricating oil in the lubricating oil supplementing tank is supplemented into the machine belt lubricating oil bottom shell through the lubricating oil supplementing loop in combination with the lubricating oil liquid level in the machine belt lubricating oil bottom shell. The lubricating oil supplementing loop is designed to communicate the machine belt lubricating oil bottom shell with the lubricating oil supplementing tank located outside the machine belt lubricating oil bottom shell, so that the lubricating oil liquid level control under the non-stop state is realized under the normal operation state of the diesel engine, and the adverse effect on the normal operation of the diesel engine or a ship after the liquid level alarm of the diesel engine is solved; a crankcase cover plate does not need to be opened for lubricating oil supplementation, the defect of lubricating oil supplementation during shutdown is overcome, normal operation of the diesel engine is guaranteed, and the power-to-weight ratio index of the diesel engine is improved.
Owner:SHANNXI DIESEL ENGINE HEAVY IND

Special normal-pressure high-frequency motor built-in concrete vibrator for equipment

The invention discloses a concrete vibrator with a built-in normal-pressure high-frequency motor special for equipment, and belongs to the technical field of engineering machinery. According to the technical scheme, the front end of a sleeve of the vibrator is connected with a pointed end through threads, and an oil cover, two sets of lower bearings, an oil seal cover, a coil inserting stator and a bearing seat are sequentially arranged in the sleeve; an upper bearing is arranged in the bearing seat, a rotor is supported by the lower bearing and the upper bearing, and an eccentric block and an oil suction pipe are arranged at the lower end of the rotor; the upper end of the sleeve is connected with an upper cover through threads, a wiring terminal and a wiring seat are arranged in the upper cover, a cable is fixed on the wiring terminal through a thread pair I, the cable is connected with a frequency conversion control cabinet fixed on equipment, and an electronic frequency converter and a grounding wire are arranged in the frequency conversion control cabinet. The upper cover is connected with four symmetrically-arranged rubber springs through a connecting pipe and a lower clamping plate and is connected with equipment through an upper clamping plate and an equipment connecting plate by using a thread pair II. The vibrator has the advantages of overcoming the defects of an existing vibrator for equipment, and being novel in design, reasonable in structure, safe and reliable.
Owner:ANYANG VIBRATOR

Range hood flue check valve

The flue check valve of the range hood comprises a head section, a middle section and a tail section, the head section is detachably and coaxially inserted in the front side of the middle section, the rear side of the middle section is detachably inserted in the front side of the tail section, a screw rod is arranged on the tail section, and an abutting plate is connected to the screw rod in a threaded mode; two hinge shafts are symmetrically arranged on the inner side of the middle section, a meshing gear set is arranged between the two hinge shafts in a matched mode, valve plates are further fixedly arranged on the two hinge shafts respectively, the valve plates and the hinge shafts are obliquely arranged forwards, a rubber mat is arranged on the front sides of the two valve plates jointly, and oblique ring edges matched with the two valve plates are arranged on the inner side of the middle section. A magnetic attraction mechanism is arranged between the inclined ring edge and the valve plate in a matched mode. According to the utility model, the two valve plates can be synchronously opened and closed through the application of the meshing gear set, so that the same opening degree when smoke flows and the synchronous closing of the flow channel when the smoke does not flow are ensured.
Owner:张志威

Width-adjustable wide-frequency-domain acoustic waveguide based on interval coupling type topological boundary state

The invention discloses a width-adjustable wide-frequency-domain acoustic waveguide based on an interval coupling type topological boundary state, and belongs to the technical field of topological photonic crystals. The acoustic waveguide comprises interval coupling type topological boundary state scatterers and a substrate, and is characterized in that the interval coupling type topological boundary state scatterers are all arranged on the substrate; the periodically arranged scatterers form a cellular array, the scatterers are divided into I-type photonic crystals PnC1 and II-type photonic crystals PnC2 according to the rotation angles of the scatterers, a plurality of topological paths are constructed by arranging the two photonic crystals in a spaced coupling mode, and the wide-frequency-domain acoustic waveguide with the adjustable width is achieved. The width-adjustable acoustic waveguide is realized by introducing a plurality of topological paths, and low-loss, high-efficiency and wide-frequency-domain unidirectional transmission of acoustic wave signals along the topological paths is finally realized. The waveguide has high robustness and width adjustability, and a new thought is provided for solving the problem of connection between a topological structure and block equipment.
Owner:SOUTHEAST UNIV

Eye-protecting steam eyeshade

The utility model relates to the technical field of steam eyeshades, and particularly discloses an eye-protecting steam eyeshade which comprises a heating bag, an opening is formed in one side of the heating bag, a waterproof zipper tape is fixed to the opening, two built-in frames are placed in the heating bag, the two built-in frames are connected together through ear plates made of soft rubber, and the ear plates are made of soft rubber. The interior of the built-in frame is divided into two cavities through a partition plate, a heating body is placed in one cavity, a medicine bag is placed in the other cavity, a protection ring is fixed to the outer portion of the side, close to the medicine bag, of the heating bag, and a plurality of air holes are formed in the protection ring. The ear band has the advantages that the design is novel, repeated use can be achieved by replacing the heating body and the medicine bag, targeted treatment of different diseases can be conveniently achieved by replacing the medicine bags stored with different formulas, cost is saved, the length of the ear band is adjustable, and the ear band can be conveniently used by people with different facial forms.
Owner:XIAN LANGZHUO IND & TRADE CO LTD

Multifunctional carry-on air bag capable of watching mobile phone from front side

The utility model belongs to the field of articles for daily use, and particularly relates to a multifunctional carry-on air bag allowing a user to watch a mobile phone from the front. The device comprises an inverted-V-shaped piece or an n-shaped piece capable of being bent out in a deforming mode, the inverted-V-shaped piece comprises at least one pair of transverse inner pieces and a pair of transverse outer pieces which are connected, matched and telescopic, and the two ends of the pair of transverse inner pieces are rotationally connected and integrally form an inverted-V-shaped piece. The > connecting piece or the n-shaped piece can be hung on the two shoulders of a human body and can be placed on one side and / or the upper body part of the human body when sitting, and at least one pair of telescopic structures and / or at least one pair of inflatable air bags are symmetrically arranged at the side front position of the > connecting piece or the n-shaped piece. At least one inflatable air bag between the upper body part and the arms of a human body is used as a supporting part, so that people can read a book or a mobile phone or other handheld articles without lowering the head when standing and sitting on the chair, arm fatigue can be relieved, and harm to body health caused by lowering the head can be relieved; and the multi-purpose function and the pleasant experience feeling of different crowds in multiple scenes can be realized.
Owner:周文化

Manual safety turning gear of steam turbine

The utility model discloses a steam turbine manual safety turning gear which comprises a movable base, a standing platform is arranged on the movable base, an auxiliary turning mechanism is arranged on one side of the standing platform, the auxiliary turning mechanism comprises a supporting frame, a first chain wheel is arranged on the supporting frame, a rocker is arranged on the first chain wheel, and a second chain wheel is arranged on the rocker. A chain is wound on the first chain wheel, the chain is wound to a second chain wheel, and the second chain wheel is arranged on the barring wheel; the jigger is simple in structure and novel in design, the movable and liftable standing platform is arranged, an operator can stand on the standing platform, the jigger can better exert force during jigger, meanwhile, the auxiliary jigger mechanism is arranged, the other operator can assist in operation, the two operators are matched to complete the long-time jigger process, the jigger burden of the operator is relieved, and the jigger effect is guaranteed.
Owner:SHANYING INT HLDG CO LTD

Chlorine buffer tank

The utility model discloses a chlorine buffer tank which comprises a buffer tank body, the lower end of the buffer tank body is connected with a blow-off pipe, the lower end of the blow-off pipe is connected with a collecting box, the blow-off pipe is provided with a first electromagnetic valve, the lower end of the collecting box is connected with a discharge pipe, and the bottom end of the discharge pipe is provided with a box body. A second electromagnetic valve is arranged on the discharging pipe; a baffle is arranged in the discharging pipe, a rotating shaft fixedly penetrates through one side of the baffle, one end of the rotating shaft rotationally penetrates through the side wall of the discharging pipe, the end, penetrating through the discharging pipe, of the rotating shaft is connected with a motor, and a weight sensor is arranged on the upper wall of the baffle.
Owner:FUXIN HANDAO CHEM IND CO LTD

Experimental device for multiple working conditions of composite pipe

According to the multi-working-condition experimental device for the composite pipe, an L-shaped baffle is fixed to the left end of a supporting seat plate, and a rotary supporting device installed on the L-shaped baffle and a position-adjustable supporting device installed on the supporting seat plate are coaxially arranged; the outer ends of the rotary supporting device and the position-adjustable supporting device are fixedly connected with water injection pipes communicating with the interiors of the rotary supporting device and the position-adjustable supporting device in a sealed mode. The rotary supporting device is fixedly connected with the left end of the composite pipe in a sealed mode, and the position-adjustable supporting device is fixedly connected with the right end of the composite pipe in a sealed mode to test the internal pressure working condition or the torsion working condition or the stretching working condition or the torsion working condition or the stretching working condition or the bending working condition of the composite pipe. According to the invention, reliable support of the composite pipe in a state that one end rotates and the other end is fixed is realized, conditions are provided for experiments under internal pressing, stretching, bending, twisting and composite working conditions of the composite pipe, the defects of complexity, higher cost and great maintenance difficulty of a traditional experimental device are overcome, and experiments under various working conditions are completed more accurately and conveniently.
Owner:BAOJI TIANLIAN HUITONG COMPOSITE MATERIAL CO LTD

Rapid detection method for plant extract

The invention relates to the field of detection equipment, in particular to a plant extracting solution rapid detection method which comprises the following steps: step 1, sampling: taking quantitative plant extracting solution stock solution, and introducing the stock solution into a rapid detection device; step 2, installing the detection plate on a rapid detection device, and adjusting various detection parameters; 3, the rapid detection device works, and the plant extract stock solution is sucked and transferred to a detection plate; 4, standing is conducted for 10-15 min, and a detection result is recorded, the rapid detection device is achieved through cooperation of a mechanical structure, multiple power elements do not need to be adopted for controlling all actions respectively, and therefore the device has the advantage of being low in failure rate while the automation degree is guaranteed, and the rapid detection device is suitable for application and popularization.
Owner:ZHANGJIAJIE JIYUAN TECH CO LTD

Pleurotus eryngii culture shelf

The utility model discloses a pilose antler mushroom culture frame which comprises a culture frame body, a shell is fixedly welded to the outer side of the culture frame body, a power motor is connected to one side of the culture frame body through bolts, the output end of the power motor is in transmission connection with an upper chain wheel, and the upper chain wheel is in transmission connection with a lower chain wheel through a chain. A sliding rail is fixedly welded to one side of the cultivation frame body, a connecting column is rotationally connected to one side of the chain, a supporting frame is fixedly welded to one end of the connecting column, a pulley is fixedly connected to one side of the supporting frame, and the pulley is in sliding connection with the sliding rail. The multiple placing frames are driven to rotate through the chain, the pilose antler mushrooms in the placing frames can be picked and placed when the placing frames rotate to proper positions, the multiple placing frames can be stacked, the occupied space is reduced, and certain physical strength and time of manpower are saved.
Owner:JIANHE COUNTY LVFENG IND CO LTD

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