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14results about How to "Uniform injection" patented technology
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Micro turbojet engine pure hydrogen fuel injection device and combustion chamber
ActiveCN119532761AImprove stabilityImprove combustion efficiencyContinuous combustion chamberCombustion chamberHydrogen fuel
The invention provides a fuel injection device capable of fully mixing air and hydrogen fuel, the combustion stability and the combustion efficiency of the hydrogen fuel are improved, the problem of local overheating of a hydrogen fuel combustion chamber is avoided, and the pure hydrogen fuel injection device of the micro turbojet engine comprises an annular nozzle and a hydrogen fuel supply pipe which are arranged in the combustion chamber; the annular nozzle comprises a plurality of micro-mixing units, and each micro-mixing unit comprises an air channel and a fuel injection hole which are perpendicular to each other; a fuel gas road network is arranged in the annular nozzle and comprises a first gas path channel, a second gas path channel and gas holes; the first air channel and the second air channel are arranged in a front-back staggered mode in the axial direction of the annular nozzle, and the first air channel and the second air channel are communicated through the air holes. Each micro-mixing unit is communicated with the second gas path channel through a fuel injection hole, and the first gas path channel is communicated with the hydrogen fuel supply pipe.
Owner:XIAMEN UNIV +1
Novel glass forming tool
ActiveCN222574525UGuaranteed shape accuracyprevent leakageGlass shaping apparatusGlass productionMechanical engineeringFluid Leak
The utility model discloses a novel glass forming tool and relates to the field of glass processing, the novel glass forming tool comprises a supporting table and a forming die, the forming die comprises a lower die arranged on the supporting table and an upper die combined with the lower die, and the supporting table is obliquely arranged; a lower mold forming surface and a lower mold forming surface are respectively arranged on the butt joint surfaces of the lower mold and the upper mold, the lower mold forming surface and the lower mold forming surface are in butt joint to form a pouring cavity, one end of the pouring cavity is a pouring port, and the other end of the pouring cavity is closed; the upper mold and the lower mold are closed, one half of the cavity is in the inner cavity of the lower mold, the other half of the cavity is in the inner cavity of the upper mold, downward liquid leakage in the pouring process can be avoided, and the shape precision of glass forming is guaranteed.
Owner:CNBM PHOTONICS TECH CO LTD
A turn signal assembly with high uniformity of brightness and high safety factor
ActiveCN224397655UUniform injectionAvoid central bright spotsLighting and heating apparatusOptical signallingLight guideSignal light
This utility model discloses a turn signal assembly with uniform brightness and a high safety factor, including a turn signal cup and a front turn signal light guide plate. The turn signal cup has a turn signal hole for mounting the turn signal. The turn signal light guide plate has a main light guide plate facing the turn signal hole, an inner light guide plate and an outer light guide plate, located on the left and right sides of the main light guide plate and bent inwards respectively. The angle between the inner light guide plate and the main light guide plate is acute, and the angle between the outer light guide plate and the main light guide plate is obtuse. A light guide ridge is provided on the inner side of the turn signal light guide plate, and an inwardly recessed stepped portion is provided on the bottom of the outer side. This utility model's main light guide plate, in conjunction with the inner acute-angled and outer obtuse-angled light guide plate portions, expands the light diffusion range through refraction at different angles, avoiding the central bright spot or edge dark area of traditional turn signals. The horizontal ridges of the main light guide plate work in conjunction with the gradually widening ridges of the inner / outer light guide plates, ensuring that the light is emitted uniformly after multiple refractions, resulting in a more balanced brightness distribution and improved signal recognition.
Owner:DANYANG QINGTIAN PLASTIC PARTS CO LTD
Surface-emitting optical system
The utility model relates to a kind of surface light emitting optical systems, including LED light source component, support and at least one light guide plate, the LED light source component and any light guide plate are installed on the support;Any the end face of the light guide plate is light entrance, and the side surface is respectively light exit and back surface opposite to light exit;Multiple recesses in sheet shape are arranged on the back surface;The light emitted by the LED light source component can enter light guide plate from light entrance, and uniform emission is carried out to light exit after the concave reflection of the recess, then uniform emission is carried out from light exit;Compared with prior art, the utility model uniform emission is carried out to light exit, and avoids part of light loss, improves light efficiency, reduces energy consumption.
Owner:VARROC TYC AUTO LAMPS CO LTD (CQ)
Light condensation structure and vehicle lamp
ActiveCN224175000Uincrease profitUniform injectionVehicle headlampsOptical signallingFirst lightEngineering
The light gathering structure comprises a light gathering body, the light gathering body comprises a light gathering face, a side wall and a refraction inclined face, the light gathering face is located at one end of the side wall, the refraction inclined face is located at the other end of the side wall, and light emitted by a light source is refracted by the light gathering face to enter the light gathering body. Light emitted by the light source is collimated by the light condensing surface, the collimated light is first light, the first light is reflected by the side wall to become second light, the second light is refracted by the refraction inclined surface and is emitted out of the light condensing body, and the light, refracted by the refraction inclined surface, of the second light is emergent light. Compared with the prior art, the efficient and uniform condensation structure has the advantages that the utilization rate of light emitted by the light source is high, light loss caused by the light emitting angle of the light source is avoided, the light emitted by the efficient and uniform condensation structure is more uniform compared with the prior art, the dark space defect is avoided, and the overall irradiation effect is better.
Owner:KEBODA TECH CO LTD +1
Automobile decoration strip mold
The utility model discloses an automobile decoration strip die which comprises a workbench, the top of the workbench is fixedly connected with a die base, the top of the die base is fixedly connected with a sliding assembly, the sliding assembly comprises two sets of limiting blocks, and the two sets of limiting blocks are both fixedly connected to the inner wall of the die base. A threaded rod is rotationally connected between the inner walls of each set of limiting blocks, through cooperation of an arranged telescopic air cylinder and a servo motor, the movable buckle modules can be moved to any position, the effect that adjustment is conducted in advance according to the automobile decoration strips of different models is achieved, the movable buckle modules on the left side and the right side are adjusted according to the models of the automobile decoration strips, and the adjustment efficiency is improved. When the movable buckle module needs to be adjusted forwards and backwards to be arranged externally, a servo motor is started, an output shaft of the servo motor drives a threaded rod to rotate between two limiting blocks on the mold base, a telescopic air cylinder drives the movable buckle module to move forwards and backwards, and when the height of the movable buckle module needs to be adjusted, the movable buckle module can move forwards and backwards.
Owner:YUHE PRECISION MOULD SUZHOU CO LTD
Injection mold for processing plastic tableware
InactiveCN222271114Uimprove qualityEfficient injection moldingInjection molding processMechanical engineering
The utility model relates to an injection mold for processing plastic tableware, which comprises an upper mold, a lower mold and a demolding component, the upper mold is opposite to the lower mold, the upper mold is connected with the lower mold to form an injection molding cavity, the upper mold is provided with an injection molding runner, the injection molding runner is divided into a plurality of sub-runners, each sub-runner is respectively communicated to the injection molding cavity, and the demolding component is arranged on the lower mold. The demolding assembly is used for separating the injection finished product from the injection cavity. The main injection molding runner is communicated to the mold outer glue injection assembly, the main injection molding runner is divided into a plurality of sub-runners at the upper mold, and the sub-runners are communicated to the injection molding cavity, so that multi-point injection molding and rapid and efficient injection molding can be realized, glue injection is more uniform, and the problems of non-uniform thickness, breakage and the like of a finished product caused by unbalanced flowing of glue in the injection molding process are avoided; and a good glue discharging effect is ensured, and the quality of an injection molding part is improved.
Owner:HUIZHOU HUILI DAILY NECESSITIES CO LTD
Sand shooting cylinder for vertical sand shooting molding machine
ActiveCN224294645UImprove liquidityfully dispersedMoulding machinesMolding machineMechanical engineering
The utility model discloses a sand shooting cylinder for vertical sand shooting molding machine relates to vertical sand shooting molding machine technical field, including the outer tube, be provided with the inner net tube in the outer tube, the inner net tube outer wall is wound with the air -permeable net inner wall fixed with the air inlet component for blocking sand to pass, the air inlet component with the air -permeable hole on the inner net tube intercommunication, fixed and intercommunication have the pneumatic vibration subassembly of the inner net tube center area on the air inlet component. The utility model can improve the sand flowability of center area to improve sand shooting effect.
Owner:HEBEI KAIEN ELECTROMECHANICAL EQUIP CO LTD
Surgical care disinfection device
The utility model discloses a surgical nursing disinfection device, including the lamp stand, the lamp stand is equipped with the lamp stand and the connecting head, the both ends of lamp stand are all connected with connecting head, be equipped with the insertion cavity in connecting head, disinfection lamp subassembly, including two disinfection lamp groups and a plurality of guide board, two disinfection lamp group insertion respectively inserts into the insertion cavity of two connecting heads, the top of each disinfection lamp group all is equipped with a plurality of guide board, a plurality of guide board interval distribution in the length direction of disinfection lamp group, and guide board extends in the width direction of disinfection lamp group. The utility model discloses a surgical nursing disinfection device, it can install the lamp stand through the lamp stand, and the connecting head of lamp stand connects disinfection lamp group in the mode of insertion, with the guide board of disinfection lamp group top guiding guide light and exporting along the width direction, improve the irradiation surface of disinfection lamp group.
Owner:THE SIXTH AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
A crystalline polyimide / polyimide composite material, its preparation method and application
This invention discloses a crystalline polyimide / polyimide composite material, its preparation method, and its applications. The method involves first uniformly mixing phenylhexacarboxylic acid trihydride with a diamine monomer, followed by a solid-phase reaction under argon atmosphere protection. After the reaction, the product is immersed in a polar solvent to obtain crystalline polyimide. Then, the crystalline polyimide is added to an organic solution of polyamic acid, subjected to ultrasonic treatment in an ice-water bath, and subsequently thermosetting to obtain the crystalline polyimide / polyimide composite material. The crystalline polyimide in this composite material has a layered two-dimensional COF structure, giving it relatively high thermal conductivity, heat resistance, and high-temperature mechanical properties. Introducing the crystalline polyimide into the polyamic acid solution utilizes the special interfacial compatibility between the amino groups in the crystalline polyimide and the anhydrides in the polyamic acid to react, solving the problem of difficult processing and effectively expanding its application range.
Owner:SHAANXI UNIV OF SCI & TECH
Liquid injection machine for soft package lithium ion battery
ActiveCN222530775UImprove stability and uniformityimprove performanceCell component detailsElectrical batteryLithium-ion battery
The utility model discloses a soft package lithium ion battery liquid injection machine which comprises a supporting frame, the supporting frame is used for supporting and positioning the soft package lithium ion battery liquid injection machine, an auxiliary liquid injection mechanism is fixedly arranged on one side of the supporting frame, and an elastic clamping mechanism is fixedly arranged at the top end of the auxiliary liquid injection mechanism; the elastic clamping mechanism comprises a positioning frame, a positioning groove is formed in the middle of the top of the positioning frame, and a positioning gear is rotationally arranged in the middle of the positioning groove; the flexible package lithium ion battery is driven by the moving frame to perform reciprocating liquid injection, so that liquid is uniformly injected into the inner side of the flexible package lithium ion battery, and the flexible package lithium ion battery at the top end of the positioning frame vibrates, so that residual bubbles on the inner side of the flexible package lithium ion battery are conveniently discharged through vibration; the stability and uniformity of liquid injection of the soft package lithium ion battery are improved, the performance of the soft package lithium ion battery is improved, and the practicability of the liquid injection machine of the soft package lithium ion battery is improved.
Owner:SHENZHEN JINGRUN IND CO LTD
Cylindrical full-tab lithium ion positive plate, battery roll core and battery
ActiveCN222619768UIncrease productivityImprove pass rateSecondary cellsNon-aqueous electrolyte accumulator electrodesElectrical batteryCell fabrication
The utility model discloses a cylindrical full-tab lithium ion positive plate, a battery roll core and a battery, and belongs to the technical field of batteries. The battery roll core is formed by winding a positive plate, a diaphragm, a negative plate and a diaphragm, and the battery is manufactured through the procedures of assembling, baking, liquid injection, formation and sealing in sequence; longitudinal grooves are respectively formed in two side surfaces of the positive plate and penetrate through the length of the positive plate; the full-tab cylindrical battery is suitable for a battery manufacturing process, gas-liquid circulation between the interior of a battery roll core and a roll core center hole is realized through the slotting design of the positive plate, and the problems of difficulty in infiltrating the interior of the roll core from two ends, low liquid injection efficiency, long electrolyte infiltrating time and the like of an existing full-tab cylindrical battery are effectively solved.
Owner:HEFEI GUOXUAN HIGH TECH POWER ENERGY
Magnetic lamp structure in cabinet
ActiveCN222651195UWide applicabilityUniform injectionDomestic lightingLighting support devicesLight headMechanical engineering
Owner:ZHONGSHAN CINGSO OPTOELECTRONICS TECH CO LTD
Multi-scale adaptive flat oxygen injection rake
ActiveCN224181071UUniform injectionLow pressure loss operationAerodynamic testingSpray nozzlesMechanical engineeringFluid system
The utility model provides a multi-scale adaptive flat oxygen injection harrow, which can cover the width of the section of the whole flow channel without changing the structure of the existing closed-loop fluid equipment and achieve uniform oxygen injection, and the front end of the injection harrow comprises an injection harrow front section, a closed-loop fluid system butting flange and an injection harrow rear section which are connected in sequence, the injection rake rear section is connected with the injection rake front section after penetrating through the closed-loop fluid system butt flange, and an internal air duct of the injection rake front section is communicated with an internal air duct of the injection rake rear section; the rear section of the injection rake is a flat plate body with a playground-shaped section, and a plurality of exhaust holes which are distributed in a linear array are formed in two arc-shaped edges of the rear section of the injection rake.
Owner:CHENGDU JIAODA PUER IND CO LTD