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28results about How to "Inject evenly" patented technology

Sand consolidating agent and method for preparing the same

ActiveCN121950274BReduce the activation energy of the curing reactionImprove heat resistancePolymer scienceEthyl group
The application belongs to the technical field of sand consolidation agent preparation, and particularly relates to a sand consolidation agent and a preparation method thereof. The sand consolidation agent is composed of component A and component B. The component A is composed of the following raw materials: a diphenyl phenolic epoxy resin, hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene, modified nano calcium zirconate, cage octakis(aminophenyl)silsesquioxane, n-butyl glycidyl ether, KH-550 silane coupling agent, polyether amine, fumed silica and defoaming agent. The component B is composed of the following raw materials: polyborosilazane and 2-ethyl-4-methyl imidazole. The cage octakis(aminophenyl)silsesquioxane in the raw material of the sand consolidation agent strengthens the network structure stability through chemical bonding, the hexakis(4-hydroxymethylphenoxy)cyclotriphosphazene realizes thermal stabilization through chemical bonding and physical dispersion, and the modified nano calcium zirconate provides physical support. The three components synergistically improve the heat resistance of the system.
Owner:DONGYING HUIYOU GASOLINEEUM NEW TECH DEV

A special pressurized charging device

The utility model provides a kind of special pressurizing feeding device, it is related to pressurizing feeding field, a kind of special pressurizing feeding device includes barrel, head, discharge assembly and mould assembly, by feeding fan through suction angle seat, and by feeding ball valve to barrel is filled with material, when needing to feed mould, by pressurized air pipe via pressurized angle seat valve to barrel is applied pre-pressure, guarantee the stability of pressure in processing process, make its fast and full feeding process, avoid the occurrence of product material shortage phenomenon, discharge cylinder drives rotary arm to make discharge carousel rotate, cooperate with feeding hose to rapidly hit the material in barrel into mould cavity, improve the flexibility and accuracy of discharge, and can accurately control product gram weight, the setting of observation component, convenient operator observes barrel internal condition anytime, timely makes corresponding adjustment, interference fit between multiple material gun and feeding hose, ensure that material is evenly injected into mould inside, guarantee the quality and consistency of product.
Owner:ZHEJIANG HUASHENG MASCH EQUIP CO LTD

A new universal shaft assembly

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.
Owner:HENAN DALIN RUBBER & TELECOMM APP

A ground settlement device for simulating well flow stratified pumping

This utility model relates to the field of land settlement simulation technology, and discloses a land settlement device for simulating well flow stratified pumping, including a model box, an injection pipe, a pumping pipe, a water pump, a pressure measuring pipe, an earth pressure sensor, and a pore pressure sensor. The model box is cylindrical and is filled with alternating layers of clay and sand. A pumping pipe is installed along the central axis of the model box, and the injection pipe extends into it from the outside to the inside circumferentially. The pumping pipe has a multi-layered casing structure, with sealing airbags between the casings. The inner casing extends to a deeper sand layer, and the outer casing extends to a shallower sand layer. The pressure measuring pipe is installed within the depth range of each of the multiple sand-filled layers. Each casing of the injection pipe is connected to a water pump. Earth pressure sensors and pore pressure sensors are uniformly and symmetrically arranged inside the model box. This utility model aims to construct a geotechnical test chamber and simulate the radial flow field characteristics of a pumping well point through stratified pumping control, providing support for water-based well drilling projects.
Owner:CHANGAN UNIV

Geological loosening detection early warning device for geological detection

ActiveCN115657156Beffective preventionreduce casualtiesMagnetic tension forceClassical mechanics
The application discloses a geological loosening detection early warning device applied to the geological detection field, which is installed in a crack of the geological body to be monitored and extends up and down along the geological surface, and longitudinally spans multiple cracks. When the geological body deforms and moves, the sliding part drives the corresponding position of the embedded nails or the embedded cylinder to jointly move downward, and the cross-crack rope is pulled. When the geological deformation reaches a moving degree, the cross-crack rope is separated from the embedded cylinder, the upper missing disc or the lower missing disc which loses the limitation automatically rotates under the action of the magnetic force until the upper missing disc and the lower missing disc are aligned at the gap, the light of the laser lamp smoothly passes through the pair of gaps and is emitted to the air, a timely and effective long-distance light warning effect is given to the monitoring personnel, the monitoring personnel can timely prevent the geological body with disaster precursors, and personnel casualty is effectively reduced.
Owner:THE FIFTH GEOLOGICAL BRIGADE OF SHANDONG PROVINCIAL BUREAU OF GEOLOGICAL & MINERAL EXPLORATION & DEV

A tilt arm cover plate mold for a camera

The utility model discloses a kind of camera pitch arm cover plate mould, including device ontology, the base is equipped in device ontology, lower protection seat and upper protection seat, lower protection seat is equipped with mould cavity on, lower protection seat and upper protection seat are equipped with positioning groove in, positioning groove is equipped with left positioning plate and right positioning plate in, left positioning plate and right positioning plate are equipped with mounting groove in, mounting groove is equipped with threaded rod in, threaded rod is screwed on ring, left positioning plate and right positioning plate are connected ring, threaded rod one end is equipped with knob, upper protection seat is equipped with connecting plate, connecting plate is equipped with injection port in, the position of left positioning plate and right positioning plate can be adjusted, the accurate adjustment of positioning block is realized, the precision of cover plate forming is greatly improved, product size deviation is reduced, product quality is more stable, it is favorable to improve product pass rate, reduce the rate of defective product, improve production efficiency.
Owner:NINGHAI JIYI ELECTRONICS CO LTD

A gate structure of a vehicle lamp injection mold

ActiveCN224527889UInject evenlySolve the problem of lack of price advantage
The utility model relates to car lamp injection mold gate technical field, especially for a kind of car lamp injection mold gate structure, including pouring mouth cover, the rear side of pouring mouth cover is connected with pouring outer sleeve tube, the inside of pouring mouth cover and located at intermediate position are connected with pouring runner through, the one end of pouring runner extending out pouring outer sleeve tube is connected with gate head in communication, in the utility model, by setting a kind of car lamp injection mold gate structure, when the production pouring of different car lamp injection parts is carried out, whether the caliber of pouring mouth is same or not can use this pouring mouth connecting device, solve the existing technology in the production of different car lamp injection parts, the caliber of its injection port is not same, need to use different injection gate mold and carry out injection molding, lead to the production cost of gate structure to be higher, can lead to manufacturing cost to increase, make the product of production lack the problem of price advantage in market.
Owner:JIANGSU NINGTAI MOLD CO LTD

A phase change material feeding mechanism and a microparticle extruder

This invention provides a phase change material feeding mechanism and a microparticle extruder. The phase change material feeding mechanism includes a hopper, a cover plate, a mixing mechanism, a positive pressure component, and a circulating drying component. The cover plate is detachably connected to the top of the hopper. The mixing mechanism is mounted on the cover plate and has a mixing end for mixing the material in the hopper. The positive pressure component has an injection end connected to the mixing end for injecting inert gas into the hopper following the mixing of the mixing end, thus creating a positive pressure environment within the hopper. This invention uses the cover plate to seal the top of the hopper, forming a sealed structure. The cover plate rotates and mixes with the mixing mechanism, uniformly injecting inert gas to provide a positive pressure environment within the hopper and prevent the entry of external humid air. After reaching the positive pressure condition, the circulating drying component guides the internal gas to circulate and dry the material. Combined with the mixing structure, this provides an air gap, effectively guiding gas flow and internal drying.
Owner:HUBEI SAIMO NEW ENERGY TECH CO LTD

Nanoparticles for treating retinal ischemia-reperfusion injury, methods of making, pharmaceutical compositions, and uses thereof

PendingCN122499130Aprecision releaseImprove retention
This invention relates to the field of biomedical technology, specifically to nanoparticles for treating retinal ischemia-reperfusion injury, their preparation method, pharmaceutical composition, and uses. The nanoparticles consist of a zeolite imidazole ester-8 core encapsulating baicalin and a polydopamine shell coating its surface, prepared via in-situ self-polymerization. The nanoparticles utilize the polydopamine shell to scavenge reactive oxygen species and prolong intraocular residence time, while their core responsively degrades in a weakly acidic pathological microenvironment, precisely releasing baicalin, thereby synergistically exerting antioxidant, anti-inflammatory, and anti-apoptotic effects. Experiments show that these nanoparticles can effectively reduce oxidative damage and inflammation in the model retina, significantly inhibit ganglion cell apoptosis, and restore electroretinogram function, providing a novel multi-target therapeutic strategy for retinal ischemic diseases.
Owner:CHONGQING MEDICAL UNIVERSITY AFFILIATED THIRD HOSPITAL(FANGDA HOSPITAL) +1

Fireproof glass grouting device

The utility model relates to the technical field of glass manufacturing, in particular to a fireproof glass grouting device which comprises two vertical plates arranged at intervals, an inverted-U-shaped shell arranged between the tops of the two vertical plates, a fireproof liquid storage mechanism arranged on the upper side of the inverted-U-shaped shell and a supporting mechanism arranged between the bottoms of the two vertical plates. The transverse reciprocating driving mechanism is arranged in the inverted-U-shaped shell, the moving seat is arranged on the transverse reciprocating driving mechanism, the lifting adjusting mechanism is arranged on the moving seat, the discharging pipe is connected with the lifting adjusting mechanism, and the telescopic hose is communicated with a feeding port of the discharging pipe. The device can adjust the blanking pipe to a proper grouting height according to the width of the fireproof glass to adapt to the glass specification; and the discharging pipe can be driven to horizontally move in a reciprocating mode, fireproof liquid is evenly injected into the glass cavity, local accumulation and filling blind areas are avoided, even covering of slurry is achieved, and the grouting quality and effect are improved.
Owner:GANSU JICHENG HONGYUN GLASS CO LTD

An apparatus for preparing a titanic acid gel and a system for preparing nano-titanium white

ActiveCN224585931UUniform particle size distributionInject evenly
The utility model relates to titanium dioxide preparation device technical field especially relates to a device and preparation nanometer titanium dioxide of preparation titanogel. Include: reaction container, stirring mechanism, vortex disperser, set up in reaction container bottom, including turbine, perforated screen and umbrella -like diffusion head, for dispersing into liquid alkali and even injection titanyl sulfate solution in fine flow, interface, with vortex disperser connects, for conveying liquid alkali, through the vortex disperser of reaction container bottom realizes the even injection of liquid alkali, avoids local concentration too high, improves mixing efficiency, reduces particle agglomeration, ensures that titanogel particle size distribution is even, and further ensures that nanometer titanium dioxide particle size distribution is even, the core innovation of the utility model lies in the traditional top drop -wise mixing mode is innovated as bottom vortex injection mode, and the mixing dynamics characteristics of reaction liquid are fundamentally changed.
Owner:SHANDONG DAWN TITANIUM IND

Adhesive layer coating unit, electrode assembly manufacturing apparatus including the same, and electrode assembly manufacturing method

The present application provides an adhesive layer coating unit configured to continuously apply an adhesive layer having a first width in a longitudinal direction of a first separator. The adhesive layer coating unit includes a transfer roller configured to support a bottom surface of the first separator and transfer the first separator, a discharge roller configured to transfer the first separator that has passed through the transfer roller while supporting a top surface of the first separator, wherein a coating groove having the first width and a closed curve shape is formed in a circumferential surface of the discharge roller, and a coating member configured to inject an adhesive into a space between the discharge roller and the top surface of the first separator that has passed through the transfer roller. As the adhesive flows in the coating groove of the discharge roller, the adhesive layer having the first width is continuously applied on the top surface of the first separator.
Owner:LG ENERGY SOLUTION LTD

Supernormal dry film plug hole device and method

PendingCN122500880AResidue reductionprevent springback
The present application relates to printed circuit board manufacturing technology field, specifically said is super conventional dry film plug hole device and method, including: upper die holder, the upper die holder inside is formed with upper chamber, the upper chamber is connected with vacuum / positive pressure switching system, the lower surface of the upper die holder is equipped with the capillary hole that communicates with the upper chamber;And lower die holder, the lower die holder inside is formed with glue injection cavity, the glue injection cavity is connected with glue injection system, the upper surface of the lower die holder is equipped with the glue injection pipe that communicates with the glue injection cavity.The present application is by printed board "inversion", plug hole face down, resin is injected from below, air is discharged from above;Make the hole bubble residual significantly reduce;At the same time, the capillary hole for intercepting resin is arranged in the upper die holder, so that the plug hole of different aperture on the same printed board is filled in turn under the unified negative pressure parameter and glue injection pressure according to the aperture from big to small, solve the problem of big hole in traditional scheme and small hole exhaust deficiency.
Owner:GUANGDE JINTENG ELECTRONIC TECH CO LTD

Sand consolidation agent and preparation method thereof

ActiveCN121950274AReduce curing reaction activation energyImprove heat resistanceDrilling compositionPolymer scienceEthyl group
The invention belongs to the technical field of sand consolidation agent preparation, and particularly relates to a sand consolidation agent and a preparation method thereof. The sand consolidation agent is composed of a component A and a component B, the component A is prepared from the following raw materials: biphenyl novolac epoxy resin, hexa (4-hydroxymethyl phenoxy) cyclotriphosphazene, modified nano calcium zirconate, cage-shaped octa (aminophenyl) silsesquioxane, n-butyl glycidyl ether, a KH-550 silane coupling agent, polyether amine, fumed silica and a de-foaming agent; the component B is prepared from the following raw materials: polyborosilazane and 2-ethyl-4-methylimidazole. Cage-shaped octa (aminophenyl) silsesquioxane in raw materials of the sand consolidation agent strengthens the stability of a network structure through chemical bonding, hexa (4-hydroxymethylphenoxy) cyclotriphosphazene achieves thermal stabilization through chemical bonding and physical dispersion, and modified nano calcium zirconate plays a physical support role. The three synergistically improve the heat resistance of the system.
Owner:DONGYING HUIYOU GASOLINEEUM NEW TECH DEV

Hydrogen injection machine for high-concentration hydrogen-rich liquid

The utility model provides a hydrogen injection machine for high-concentration hydrogen-rich liquid, which relates to the technical field of hydrogen injection, and comprises a shell and a cover body, a fixing frame capable of fixing a bottle body is arranged in the shell, a detachable placing frame is arranged above the fixing frame, a hydrogen injection pipe is arranged on the cover body, the hydrogen injection pipe is connected with a hydrogen storage tank, and the hydrogen storage tank is connected with the shell. The hydrogen injection pipe comprises a pipe body, one end of the pipe body is provided with a gas inlet nozzle, the gas inlet nozzle is connected with the hydrogen storage tank through a connecting pipe, the pipe body is provided with a diffusion assembly, and the diffusion assembly evenly disperses hydrogen output from the hydrogen storage tank into the bottle body.
Owner:SICHUAN HYDROGEN MEDICAL SEN TECHNOLOGY CO LTD

Efficient and energy-saving plastic bottle blank injection molding machine

The utility model relates to an efficient energy-saving plastic bottle blank injection molding machine, which comprises a shell covered on the periphery, a feeding mechanism and an injection molding cavity are arranged in the shell, a mold closing mechanism is arranged in the opposite direction of the injection molding cavity and is used for injection molding of a plastic bottle blank, the feeding mechanism comprises a first motor arranged at the head end of the shell, and a power output end of the first motor is sleeved with a first belt wheel; the first belt wheel is connected with an adapter pipe, a plurality of heating rings are sleeved on the adapter pipe to heat bottle blank raw materials, a rotatable feeding paddle is screwed in the adapter pipe, and the tail end of the feeding paddle is connected with an injection molding cavity; the mold closing mechanism comprises a second motor arranged at the rear end of the shell, the second motor is connected with a lead screw, a mold closing plate arranged opposite to the injection molding cavity is arranged at the tail end of the lead screw, and mold closing-demolding is achieved along with driving of the lead screw to advance and retreat; the production efficiency is improved and the energy consumption is reduced through the optimal design of links such as feeding, heating and mold closing.
Owner:ANHUI BENONSON PACKAGING CO LTD

A portable device for rapid detection of mastitis in dairy cows

ActiveCN224624550UObvious beneficial effectIdentify anomalies
This utility model discloses a portable device for rapid detection of mastitis in dairy cows, comprising a main body and a storage box. A negative pressure tube is installed at one end of the main body, and a cover is fixedly supported at the top of the negative pressure tube by a stabilizing frame. The output end of the cover is connected to the negative pressure tube via a liquid extraction tube. A detection box is installed on the top of the main body, with one end connected to the negative pressure tube via a liquid inlet tube. A movable tray is installed on the inner side of the other end of the detection box. An odor sensor, a color sensor, and a vision sensor are arranged side-by-side on the top of the detection box, with their detection ends extending above the movable tray. This utility model, through the coordinated operation of multiple sensors, can more accurately identify various abnormal phenomena in milk caused by inflammation, such as clots, flocculent matter, blood streaks, and turbidity. Compared to single detection methods, this multi-dimensional detection approach greatly improves the accuracy and reliability of the detection.
Owner:YINCHUAN ANIMAL HUSBANDRY TECH EXTENSION SERVICE CENT

A particle injection device for oil drilling

ActiveCN121321912BImprove drilling qualityImprove drilling efficiencyFlushingDrilling machines and methodsParticle injectionWell drilling
This invention belongs to the technical field of oil drilling equipment, specifically a particle injection device for oil drilling, including a particle tank, which is a parallel double tank that can be used alternately; an outlet pipe is installed at the lower end of the particle tank, and an regulating pipe and an injection pipe are sequentially installed on the outlet pipe. A nozzle pipe and a mixing pipe are respectively installed at both ends of the injection pipe, and the mixing pipe is connected to the main manifold; a spiral plate is installed inside the mixing pipe; a control hose is installed inside the regulating pipe, and a control pipe is installed on the regulating pipe, connecting the control hose and the inner wall of the regulating pipe, and the control pipe is connected to an external hydraulic pump; this invention has a simple structure, can impact and agitate the particles in the tank to prevent particles from clogging the outlet, and at the same time, agitate the particles to make the particles and drilling fluid evenly mixed, while continuously controlling and adjusting the particle injection volume to change the concentration of injected particles.
Owner:DINGBIAN COUNTY HUACHENG PETROLEUM ENGINEERING CO LTD

Refilling pump

To obtain a refilling pump that allows air to flow from the outside into the sealed inner container when a liquid is dispensed, the refilling pump is a refilling pump 1 for dispensing liquid from the inner container 6 contained in the outer container 3, which is installed on a cap 5 that closes the opening 4 of the outer container 3. The pump consists of a cylindrical cylinder 11, a dispensing nozzle 13 located at the upper part of the cylindrical cylinder 11, and a nozzle connected to the cylindrical cylinder 11. The lower part of the connecting tube 14 of 11 is composed of a suction tube 15. The suction tube 15 is composed of a small diameter tube 16 and a large diameter tube 17. The small diameter tube 16 is airtightly fitted to the outer periphery of the connecting tube 14. The large diameter tube 17 is connected to the upper end of the small diameter tube 16 and is movably fitted to the outer periphery of the cylindrical cylinder 11. The large diameter tube 17 is provided with a first vent hole 19 that connects the gap 18 between the cylindrical cylinder 11 and the large diameter tube 17 to the inner container 6.
Owner:NIPPON PAPER IND CO LTD

Leakage-proof oil injection equipment

ActiveCN224179201UEffectively blockedprevent leakageTobaccoThermodynamicsInjection equipment
The utility model relates to the field of tobacco tar injection equipment, in particular to leakage-proof oil injection equipment which comprises a needle head body and a connecting piece, the needle head body is communicated with a plurality of oil injection needles, one end of the connecting piece is connected with the needle head body, and the other end of the connecting piece is connected with a sealing plug. The plane where the bottom of the sealing plug is located is lower than the plane where the tail ends of needle heads of all the oil injection needles are located. The outer diameter of the sealing plug is larger than or equal to the diameter of the heating wire assembly hole. The sealing plug is arranged, the position of the sealing plug is lower than the positions of the tail ends of the needle heads of all the oil injection needles, and meanwhile it is ensured that the outer diameter of the sealing plug is larger than or equal to the hole diameter of the heating wire assembly hole, so that the heating wire assembly hole is effectively plugged, and oil liquid is prevented from leaking from the hole. By means of the design, the problem that oil liquid is prone to leakage when the heating core is not installed in a traditional oil injection mode is fundamentally solved.
Owner:DONGGUAN HENGCHUANGDA AUTOMATION EQUIP CO LTD

Deformation joint water leakage filling device

According to the technical scheme, the deformation joint leakage filling device is characterized in that the deformation joint leakage filling device comprises a grouting pipe, one end of the grouting pipe is provided with a tail end, and the outer portion of the tail end is in threaded connection with a connector; the fixing assembly is arranged outside the grouting pipe and used for fixing the grouting pipe, the fixing frame is arranged, the fixing frame is movably installed outside the grouting pipe, the fixing frame can be firmly connected with peripheral structures (such as the building structure surface and a supporting object) through fixing bolts, and the grouting pipe can be effectively prevented from shifting; meanwhile, when the depth of the grouting pipe penetrating into the deformation joint needs to be adjusted, the fastening bolt can be unscrewed and adjusted to the proper position, then the fastening bolt is tightened, different grouting requirements are met, after the grouting pipe is fastened through the fastening bolt, shaking of the grouting pipe during grouting can be effectively reduced, and the grouting pipe can be stably fixed through stabilizing the grouting pipe; the grout can be uniformly and stably injected into a target area, and the compactness and integrity of grouting are improved, so that the engineering quality is improved.
Owner:SICHUAN LUFU CONSTRUCTION ENGINEERING CO LTD

A dense honeycomb structure cross-linked sodium hyaluronate gel and its preparation method

This invention provides a dense honeycomb structure cross-linked sodium hyaluronate gel and its preparation method, comprising the following steps: S1. Preparing a chloride ion solution, adding a cross-linking agent, slowly adding sodium hyaluronate under stirring conditions, adjusting the pH to alkaline, and stirring evenly under vacuum conditions to obtain a mixture; S2. Maintaining vacuum conditions, heating the mixture in a water bath, cutting it to obtain a block gel, cross-linking it in a water bath to obtain a cross-linked sodium hyaluronate gel; S3. Adjusting the pH of the cross-linked sodium hyaluronate gel to neutral, performing a first vortex-shear composite grinding treatment to obtain a homogeneous paste-like gel, dialysis, then a second vortex-shear composite grinding treatment, adding non-cross-linked sodium hyaluronate and PBS solution, performing a third vortex-shear composite grinding treatment, filling, and sterilizing to obtain the dense honeycomb structure cross-linked sodium hyaluronate gel. The dense honeycomb structure cross-linked sodium hyaluronate gel obtained by this invention has smooth injection, strong support, long-lasting effect, and low adverse reaction rate.
Owner:HYAMED BIOTECHNOLOGY (ZHUHAI) CO LTD

Battery dispensing anti-overflowing glue tool jig

This utility model belongs to the field of battery assembly and processing technology, and discloses a battery dispensing anti-overflow glue fixture, including a base and an anti-overflow glue cover plate. The top of the base is provided with multiple workpiece grooves, and the bottom of the anti-overflow glue cover plate is provided with multiple limiting grooves that match the workpiece grooves. This solution innovatively designs an anti-overflow glue cover plate based on existing fixtures, which is provided with multiple glue injection holes. Glue is dispensed through the glue injection holes, optimizing the glue flow path and ensuring that the glue is injected evenly and accurately into the battery gaps, avoiding overflow. The inner wall of the glue injection hole is inclined, which effectively prevents the glue from adhering to the hole wall during the injection process and reduces stringing. The overall solution not only improves the cleanliness and accuracy of dispensing, but also significantly enhances the stability and safety of the dispensing process. This fixture can effectively prevent glue from contaminating the battery surface and battery terminals while ensuring efficient dispensing, thereby improving production efficiency and reducing subsequent cleaning and rework costs.
Owner:ZHUHAI ZHONGJING NEW ENERGY TECH CO LTD

Adjustable rotary staged cement injector

ActiveCN224705750UInject evenlyImprove cementing quality
This utility model relates to the field of cement injection equipment technology, and discloses an adjustable rotary staged cement injection equipment, including an inlet pipe, a fixed pipe, a rotating pipe, a rotating connecting pipe, a drive integrated device, an auxiliary drive device, a curved metal pressure pipe, and a mud injection pipe integrated device. One end of the inlet pipe is connected to the cement tank, and the other end of the inlet pipe is connected to the top of the fixed pipe. The bottom end of the fixed pipe is connected to the top of the rotating pipe through the rotating connecting pipe. The drive integrated device is fixedly connected to the outer circumference of the fixed pipe, and the drive end of the drive integrated device is connected to the rotating pipe. The bottom end of the rotating pipe is connected to the top of the mud injection pipe integrated device through the curved metal pressure pipe. The outer circumference of the rotating pipe is connected to the auxiliary drive device, and the drive end of the auxiliary drive device is connected to the mud injection pipe integrated device. This utility model uses the drive integrated device to drive the rotating pipe to rotate, and the auxiliary drive device to adjust the mud injection pipe integrated device, to achieve uniform cement injection.
Owner:FIZZER PETROLEUM EQUIP (LIAONING) CO LTD

Low-voltage high-brightness reverse polarity red LED chip and preparation method thereof

PendingCN122340983AShorten the average expansion pathReduced spreading resistanceCurrent distributionElectrical polarity
This invention discloses a low-voltage, high-brightness, reverse-polarity red LED chip and its fabrication method. The chip includes a Si support substrate, an epitaxial stack disposed on the Si support substrate, a P-side electrode disposed on the P-type side of the epitaxial stack, and an N-side electrode disposed on the N-type side of the epitaxial stack. The P-side electrode includes multiple semi-circular electrode units, each having a straight edge and a rounded edge. The semi-circular electrode units are positioned close to the projection area of ​​the N-side electrode in the chip plane direction. The straight edges of the semi-circular electrode units form linear or planar current injection boundaries. This invention enables the current to extend laterally from the linear or planar current injection boundaries formed by the straight edges of the semi-circular electrode units towards the chip plane, reducing current spreading resistance, improving current distribution uniformity, and reducing the electrode shading area, thereby achieving low operating voltage and high light output.
Owner:FOCUS LIGHTINGS SCI & TECH

An oil injection device for an electric vehicle fork

ActiveCN224690326UInject evenlyprevent leakageOil canElectric cars
The utility model relates to the field of electric motor car front fork, concretely relates to an oil injection device for electric motor car front fork, including oil injection bottle, be used for oil storage and oil injection, oil pipe is used for conveying lubricating oil, oil injection subassembly is used for the injection of lubricating oil to the interval between fixed rod and dust cover, and oil injection half ring spare and the number is two, the bottom fixed connection of two oil injection half ring spare has the guide piece, the lower part fixed connection of guide piece has the insert piece, the bottom fixed connection of oil injection half ring spare has the baffle, the guide piece is located outside, the baffle is located inside, the top fixed connection of oil injection half ring spare has the oil inlet, through setting up oil injection bottle, oil pipe, oil injection subassembly, through setting up the cooperation between oil injection half ring spare and guide piece and baffle, insert piece and other components, make oil injection when oil can be more evenly injected between fixed rod and dust cover and not easy to leak, so as to guarantee the front fork and the surrounding environment, more practical.
Owner:WUXI TIANXI MECHANICAL EQUIP MFG CO LTD