29results about How to "Free from pollution" patented technology

The application discloses a through-layer drilling ring flow supply self-cleaning and blocking integrated hole bottom extraction non-jetting drill tool, which comprises a multifunctional rod body, an extraction inner group pipe, a radial cavity forming nozzle, an axial blocking nozzle, a conical hole screen plate strip, an air inlet transition piece, a cross-border air inlet pipe, a compression spring slide valve assembly and a ring flow opening and closing drill bit. The special slide valve control mechanism is adopted, the original radial cavity forming jet flow is reserved, and the instantaneous axial blocking jet flow is added, so that the conical hole screen plate strip is self-cleaned and blocked. The cross-border air inlet pipe and the transition air inlet piece are combined and sealed, so that the radial air inlet channel passes through the axial flow supply channel without air and water leakage. The ring flow supply anti-backflow opening and closing drill bit is designed, and the jet flow water medium pollution problem and the drill bit opening and closing problem are solved.

The application discloses a kind of copolymer organic semiconductor devices based on isolation and interconnection and preparation method, including substrate, photoetching blocking layer, insulating isolation layer, N organic field effect transistor and N-1 interconnection line;Photoetching blocking layer includes isolation layer and inorganic dielectric layer;Isolation layer is opened with N longitudinal through isolation groove along length direction;Inorganic dielectric layer includes lower dielectric layer and upper dielectric layer;Lower dielectric layer is located in N isolation, and upper dielectric layer is laid on the top of isolation layer and lower dielectric layer;Each organic field effect transistor includes semiconductor layer, source, drain and gate;Semiconductor layer is laid in the isolation groove at the bottom of corresponding lower dielectric layer section, and its material is organic copolymer.The application effectively utilizes isolation groove and photoetching blocking layer, and the semiconductor layer of different semiconductor materials is wrapped and isolated, so as to realize the integration of different organic field effect transistors on the same substrate, and the organic field effect transistor can realize effective interconnection.

The utility model discloses PE water supply pipe of corrosion -resistant alloy layer's lining, relates to water supply pipe technical field, and its technical key points include PE main body structure layer, corrosion -resistant alloy lining layer, reinforcing layer and outer protective layer, corrosion -resistant alloy lining layer sets up in the inside of PE main body structure layer, reinforcing layer sets up in the outside of PE main body structure layer, outer protective layer sets up in the outside of reinforcing layer, reinforcing layer includes pressure -resistant buffer layer and tough layer, pressure -resistant buffer layer sets up in the outside of PE main body structure layer, and tough layer sets up between pressure -resistant buffer layer and outer protective layer. Technical effect is through setting up corrosion -resistant alloy lining layer, can play the role of resistance medium corrosion, prevents the corrosive component in conveying medium from causing the erosion to pipeline, ensures water quality and is not polluted, prolongs the service life of pipeline simultaneously.

The utility model discloses a device of quick replacement oil drum for oil refining production line belongs to the field of oil drum replacement. It mainly includes turnover mechanism, replacement bottom plate, oil drum conveying mechanism, and turnover mechanism includes first base, and one side is connected with the vertical plate who is perpendicular to first base on first base upper end, and the upper transverse plate who is connected with vertical plate is equipped with in first base top, and the turnover device is rotatably connected with first base on first base, and turnover device includes the second hydraulic device rotatably connected with first base, and the restraint board is connected with the second hydraulic device stretchout end, and two clamping supports are slidably connected with restraint board, and two connecting rods are rotatably connected with second hydraulic device shell, and one end of connecting rod is rotatably connected with clamping support. The utility model discloses through placing the oil drum reverse transportation, the inside of oil drum is cleaned before filling again through the turnover mechanism and is turned over filling mode, guarantees the health condition, and can improve filling efficiency.

Chemical sampling equipment comprises an operation table, a glove box, a supply unit, a cleaning unit and a cleaning unit, the operating table is provided with an operating side and a sampling side, an operating space and a sampling space are arranged in the operating table, the operating space is adjacent to and communicated with the sampling space, the operating space corresponds to the operating side, the sampling space corresponds to the sampling side, and a normally closed valve is arranged at the communicated part of the operating space and the sampling space; the glove box is arranged in the operation space; the supply unit is arranged in the operation space and is used for supplying chemicals; the cleaning unit is arranged in the operation space and is used for supplying cleaning liquid; the cleaning unit is arranged in the operation space and used for providing protective gas. In this way, it can be guaranteed that personnel cannot make contact with the chemicals, meanwhile, the chemicals can not be polluted in the drawing process, and the test quality of the chemicals is guaranteed.

The utility model discloses a layered sampling device of wastewater treatment pool applies in industrial wastewater sampling technical field, including main part, the inside rotation sleeve joint of main part has rotary drum no.

This disclosure relates to a battery cell testing apparatus, and according to one aspect of this disclosure, the battery cell testing apparatus is a battery cell testing apparatus for determining the characteristics of a battery cell, and includes: a support frame configured to support a battery cell; a sensor assembly disposed on one side of the support frame and configured to sense the characteristics of the battery cell, wherein the sensor assembly includes a sensor; and a holder coupled to the support frame to support the sensor.

The utility model provides a kind of protective face screen for dentistry, it is related to medical equipment technical field, solve the technical problem that the sewage splashes out, pollutes the face, chest etc. of patient in prior art in the high-speed rotation of instrument or pressure change inside oral cavity. The device a kind of protective face screen for dentistry, protective screen, for wearing in the process of treating dental disease of patient, and the treatment mouth for leaking out patient oral cavity is opened in protective screen;Protective plate, fixedly connected to the bottom end of protective screen to cover the neck and chest position of patient in use, and protective plate is flexibly arranged and is fixedly connected with the smooth connection of protective screen;Drainage device, fixedly installed on protective plate, to guide the flow of sewage on protective plate in the process of treating dental disease and collection storage. By designing a kind of protective face screen for dentistry, sewage splashing caused by high-speed drilling, instrument rotation or pressure change inside oral cavity can be effectively blocked.

The utility model relates to the technical fields of core sample cutting machine discloses core sample cutting machine noise reduction energy -conserving green environmental protection structure, including the protective cover of cover setting in the outside of core sample cutting machine, and the protective cover has the protective cavity of accommodating core sample cutting machine in it, the protective cover has the protective wall, and the protective wall has the openwork area of inside and outside through arrangement, and the openwork area is covered with transparent window, the outside of protective wall has the outward side wall, and the inboard wall of protective wall has the inward side wall of arrangement towards protective cavity, and the inward side wall is covered with the sound insulation cotton layer, when the protective cover cover setting in the outside of core sample cutting machine, protective cavity is in sealed state, through the sound insulation cotton layer of protective cover, and make protective cavity be in sealed state, can significantly reduce the noise of core sample cutting machine work time generation, simultaneously, the sealed setting of protective cover can block dust and impurity to enter to guarantee the health of operator.

Relates to the field of thermal control of a thermal power plant, and discloses a protective device which comprises a protective box for protecting a thermal control element, a filter screen and a ventilation opening formed in the protective box, the ventilation hood is detachably fixed to the protection box and located on the outer side of the filter screen; the cleaning unit is arranged on the ventilation hood, the cleaning unit comprises a connecting rod arranged on the ventilation hood, a cleaning roller arranged on the connecting rod, a pull rod arranged on the connecting rod and a bottom plate fixed to the lower end of the pull rod, and the bottom plate is fixedly connected with the ventilation hood through bolts; the cleaning unit is adjusted to move on the filter screen, dirt such as dust and impurities attached to the inner walls of the meshes is effectively brushed away, smoothness of the filter screen is guaranteed, thermal control elements are protected against pollution, and the heat dissipation efficiency of the thermal control elements in the protection box can be kept.

The application provides a handheld multispectral imager, which comprises an image sensor, the image sensor comprising a pixel photosensitive unit, a light splitting structure, a transition layer, a first, a second and a third cut-off filter film, the narrow-band filter film in the light splitting structure being integrally deposited and grown on the pixel photosensitive unit, the transition layer being integrally deposited and grown on the narrow-band filter film, the first cut-off filter film being integrally deposited and grown on the narrow-band filter film, the transition layer being used for transitioning the two film systems of the narrow-band filter film and the first cut-off filter film, the second cut-off filter film being arranged on the first cut-off filter film, and the third cut-off filter film being arranged on the second cut-off filter film, the first, the second and the third cut-off filter films being respectively used for cutting off first, second and third interference wave bands. The technical scheme of the application is used to solve the technical problems of low spectral transmittance and low quantum efficiency caused by the cut-off filter film pasting mode in the prior art.

The utility model discloses a milk protein content detection device, which relates to the technical field of milk protein content detection and comprises a liquid chromatograph, a feeding end of the liquid chromatograph is communicated with a feeding pipe, a peristaltic pump for driving feeding is arranged outside the feeding pipe, and a protective cover for preventing raw materials from being polluted is arranged on the surface of the feeding pipe. The feeding end of the feeding pipe is inserted into a test tube, a tray for supporting the test tube is arranged on the side surface of the liquid chromatograph, a sealing mechanism for sealing the test tubes with different sizes is arranged on the protective cover, and a limiting structure is arranged at the upper end of the tray. The test tubes are fixed from the side face through the multiple clamping pieces, the test tubes of different sizes are conveniently fixed, the protection stability of the test tubes and the feeding tube is improved, raw materials are protected against pollution, the test tubes are clamped and fixed through cooperation of the fixing plate and the two clamping arms, the structure is simple, use is convenient, the test tubes can be rapidly fixed, and the practicability is high. The test tube is prevented from toppling during sampling detection.

This application relates to a wireless power supply device and vehicle, addressing the problems of limited battery life and environmental pollution associated with powering tire pressure sensors via chemical batteries in related technologies. The device includes an antenna, a radio frequency (RF) rectifier circuit, and an energy management circuit. The antenna is disposed on the surface of the wheel hub, which is obscured by the tire. The RF rectifier circuit and energy management circuit are disposed on the tire pressure sensor. The antenna is connected to the RF rectifier circuit, and the RF rectifier circuit is connected to the energy management circuit. The antenna transmits induced current to the RF rectifier circuit. The RF rectifier circuit converts the induced current into a stable DC voltage, which is then transmitted to the energy management circuit. The energy management circuit stores and manages the stable DC voltage, which is then transmitted to the tire pressure sensor for its use.

This utility model discloses an adjustable flow bottle cap, including a cap body. A baffle is provided in the inner cavity of the cap body. A central post extending upwards integrally is provided at the center of the upper surface of the baffle, and at least one first through hole is formed on the baffle. A rotatable rotating cap is detachably fitted onto the central post. A sealing plate is provided at the lower end of the rotating cap. The sealing plate is in contact with the upper surface of the baffle, and at least one second through hole selectively communicating with the first through hole is formed at a corresponding position on the sealing plate. By rotating the rotating cap, the sealing plate can be rotated relative to the baffle, thereby aligning or interleaving the second through hole with the first through hole, thus regulating the flow rate through the bottle cap. This utility model has the advantages of simple structure, reliable sealing, and easy disassembly.

This utility model relates to the field of motor power technology, specifically a stator and rotor mounting mechanism for a roller brush motor. It includes a fixed shaft, a stator assembly, a rotor assembly, and a housing. The fixed shaft comprises a fixed connecting part, a stator connecting part, and an output connecting part arranged sequentially. The stator assembly is mounted on the stator connecting part. The fixed connecting part is used for fixing the shaft. The output connecting part is provided with a rotating connecting element. The housing includes a rotor housing and an output connecting end cover. The rotor housing covers the outside of the stator assembly. The output connecting end cover is located at one end of the rotor housing and connected to the rotating connecting element. The rotor assembly is located on the inner wall of the rotor housing and is opposite to the stator assembly. This utility model ensures the stability of motor operation. The stator connecting part provides an installation position for the stator assembly, enabling precise installation and ensuring accurate relative positioning between the stator and rotor, thus guaranteeing uniform distribution and efficient conversion of the motor's magnetic field.

This utility model provides an intelligent force-controlled lightweight lithium-ion battery pruning machine. The machine includes a cutting blade and comprises a motor housing, a gear reduction mechanism, and an eccentric wheel. The motor housing has a motor output end. The gear reduction mechanism is connected to the motor output end and includes a rotating shaft. The eccentric wheel is fixed on the rotating shaft and connected to one end of the cutting blade. The gear reduction mechanism also includes a connecting end, and an oil seal mechanism is provided between the connecting end and the motor output end. This utility model solves the problem of excessive internal moving parts in pruning machines, leading to repeated friction during high-frequency shearing operations, resulting in a higher failure rate and increased equipment maintenance costs.

The application discloses a W / O / W compound emulsion and a preparation method and application thereof. The preparation method of the compound emulsion comprises the following steps: mixing cinnamyl aldehyde and hydrophobic bacterial cellulose with oil to prepare an oil phase; mixing the oil phase with a nutritional ingredient aqueous solution to prepare a W1 / O primary emulsion by homogenously emulsifying; mixing the W1 / O primary emulsion with an aqueous solution W2 containing bacterial cellulose to homogenously emulsify, and the W / O / W compound emulsion is obtained; and the hydrophobic bacterial cellulose is obtained by hydrophobic modification of bacterial cellulose. The cinnamyl aldehyde in the oil phase is released to the outside at the same time as the nutritional ingredient in the inner aqueous phase, so that the released nutritional ingredient is prevented from being polluted by bacteria, the antibacterial time is prolonged, and the shelf life of the compound emulsion is prolonged. In addition, the bacterial cellulose is used as a water-soluble emulsifier to stabilize the O / W2 emulsion, and the hydrophobic bacterial cellulose is used as an oil-soluble emulsifier to stabilize the W1 / O emulsion, so that the compound emulsion has good biocompatibility, safety and stability.

The utility model relates to sensor technical field, and disclose a protective structure for array sensor, including bottom box, array sensor circuit board and top cover, the bottom box outer rim department fixed mounting has sealing assembly, the top cover is close to bottom box one end fixed mounting is connected with sealing assembly's connection frame no.

The utility model discloses a novel multifunctional laser engraving head, including laser head upper main part and laser head lower main part, the top of laser head upper main part is provided with the inclined plane for installing reflector module, the other side of top is provided with laser hole, and the dustproof mirror subassembly is installed to the laser hole, and the middle part of laser head upper main part is provided with first focusing mirror cavity, and first focusing mirror cavity is installed with first focusing mirror module, and the side of lower position of laser head upper main part is provided with focal length observation hole, the middle part of laser head lower main part is provided with second focusing mirror cavity, and second focusing mirror cavity is installed with second focusing mirror module, first focusing mirror cavity and first focusing mirror module, second focusing mirror cavity and second focusing mirror module all adopt magnetic attraction type connection, and the lower end of laser head lower main part is installed with engraving head subassembly, and the side of engraving head subassembly is installed with sensing assembly, the utility model discloses have high work efficiency, wide use range, precision height advantage.

The utility model discloses a new energy automobile electricity taking head's metal connecting piece concretely relates to new energy automobile electricity taking head technical field, including the shell, the electricity taking head is installed to the shell front side, the connecting buckle is installed to the shell top, the connecting assembly is installed to the shell outside, and the shell is provided with sealing mechanism with the electricity taking head outside, the connecting assembly includes two fixed shell, and the fixed shell is fixedly connected with the shell both sides, and the fixed rod is movably connected in the fixed shell, and the fixed rod one end is fixedly connected with the rack, and the rack one side is fixedly connected with the extension spring, and the extension spring one end is fixedly connected with the fixed shell inside. The utility model discloses connecting assembly and sealing mechanism, can with dust cover and electricity taking head one end stable connection, can effectively reduce dust, moisture and other impurities and enter electricity taking head inside to prolong its life, can make electricity taking head and car connecting part and shell and external joint relatively close connection simultaneously, strengthened the stability of electrical connection.

The utility model relates to riveting and welding platform technical field, and disclose a kind of multifunctional riveting and welding platform, including base, the top of base is fixedly installed with support, the top surface of support is installed with rivet pull assembly, the right side of rivet pull assembly is installed with welding machine, the top surface of base is connected with top plate by guide pillar, the bottom of top plate is installed with cylinder.The multifunctional riveting and welding platform, four supporting feet are used to provide more stable support, the outer side of guide pillar is slidably connected with pressing plate, guide pillar provides guiding effect for pressing plate, four cylinders can ensure symmetrical stress and synchronous movement, ensure the stability and repeatability of device, the clamping block of support top is used to fix die holder, the sealing gasket of silicone rubber material can provide better sealing, positioning pin and proximity sensor can make workpiece be correctly placed on die holder, suction cup can fix workpiece when riveting and welding, prevent moving in processing or operating process, increase stability.

The utility model relates to food processing technical field, proposes a kind of automatic eggbeater for food processing, including base, the top of base is fixedly connected with hydraulic telescopic link, the telescopic end of hydraulic telescopic link is fixedly connected with support plate, the top of support plate is provided with motor, the output of motor is through the bottom of support plate, and the through part is rotationally connected, the circumferential surface of motor is fixedly connected with motor support seat, one end of motor support seat is fixedly connected in the top of support plate, the side of hydraulic telescopic link is provided with control button. The utility model passes through planetary gear set, gear shaft one, gear shaft two are driven to both revolve around revolution axis one and self-rotate, realize the compound motion of stirring blade. Through the above technical scheme, the problem that single-shaft stirring is difficult to quickly break the surface tension of egg liquid in the prior art, resulting in long whipping time and uneven bubble distribution is solved.

The utility model relates to the technical field of RO membrane component discloses a kind of RO membrane components for tidal flat subsea water desalination, including RO membrane piece, the outer surface of the RO membrane piece is equipped with water inlet pipe, and the water inlet pipe is equipped with backflushing mouth, the outer surface of the water inlet pipe is fixedly connected with first fixed block, by integrating filter plate, spiral block, backflushing mouth and collecting structure at the water inlet pipe of RO membrane component, the cyclone sedimentation and physical filtration of large particle impurities can be realized before seawater enters membrane piece, effectively protect membrane element from pollution, at the same time, there is valve core structure driven by micro motor, water flow opening and closing control and backwashing operation can be realized, improve cleaning efficiency. Impurities are introduced into collection box by specially designed impurity outlet, and intermittent discharge is carried out by electromagnetic valve, to avoid blockage accumulation, overall structure is compact, and function integration degree is high, the service life of RO membrane component is significantly prolonged, and the filtering efficiency and stability under the environment of tidal flat are improved.

The utility model discloses a kind of true stone paint production drying devices, including support seat, the top of the support seat is fixedly connected with jar body, one end of the jar body is fixedly connected with blowing assembly, the bottom of the support seat is fixedly connected with multiple fixed plates, the bottom of the fixed plate is rotatably connected with angle adjusting assembly;The blowing assembly includes the protective sleeve of fixed connection in one end of jar body, the inner wall of the protective sleeve is fixedly connected with double-roller fan in one end, one side of the double-roller fan is fixedly connected with electric heating wire, one side of the electric heating wire is fixedly connected with dust screen plate;The angle adjusting assembly includes the U-shaped plate of rotationally connected in the bottom of fixed plate, the bottom of the U-shaped plate is fixedly connected with pneumatic cylinder.The utility model is set through blowing assembly, effectively improve air flow, accelerate the drying of true stone paint raw material, reduce drying time, improve drying effect and production efficiency, and ensure that the quality of product meets standard.

The application discloses a kind of interpenetrating structure copolymer organic inverters and preparation method, including substrate, 2 organic field effect transistors, power supply end, ground terminal, output terminal, input terminal and interconnection line;Each organic field effect transistor includes organic semiconductor layer, photoetching dielectric barrier layer, source, drain and gate;Source includes n source fingers;Drain includes n drain fingers, n drain fingers and n source fingers equidistantly staggered, and form 2n-1 source-drain gap;Gate includes 2n-1 gate fingers arranged directly above source-drain gap.The application can effectively utilize photoetching dielectric barrier layer, introduce photoetching into the preparation of organic circuit, can effectively protect organic semiconductor material, and can be integrated on the same substrate Multiple organic field effect transistors are realized.In addition, interpenetrating structure can improve the on-current of circuit and reduce on-resistance, while the circuit opening voltage can be well reduced, and the power consumption of circuit is reduced.

The utility model discloses a kind of for cirrhosis liver cancer early screening detection kit, belong to biological medicine field.The kit includes detection kit body, its inside slidably installed has pull assembly, and folding shelf is placed symmetrically in pull assembly;Two rows of detection card bags are equipped on the upper layer of folding shelf, and one row of auxiliary tool bag is equipped in front end of lower layer, and one row of reagent bottle is equipped in rear end, and limit by groove and baffle.Detection kit body contains storage box body and guide rail strip;Pull assembly includes embedded bottom frame, support frame, box cover, folding handle, control product and sealing washer, control product is positive and negative control product, and sealing washer is silicon rubber material.The utility model is designed by slidable pull assembly and folding handle, simplifies to use process;Folding shelf layered structure improves storage regularity;Control product guarantees detection effectiveness;Sealing washer enhances protection performance, applicable to cirrhosis liver cancer early screening.