37results about How to "Fixing process is simple" patented technology

The invention relates to application of an immobilized quinone compound in accelerating the denitrification process of a microorganism, belonging to the technical field of chemical engineering, biological engineering and environmental engineering. The immobilized quinone compound is 1,8-dichloroanthraquinone and 1,5-dichloroanthraquinone or 1,4,5,8-tetrachloroanthraquinone. The immobilized quinone compound can intensify, regulate and control the denitrification process of an organism, accelerate the velocity and the capacity of the microorganism on the denitrification process of nitrogenous substances, effectively reduce the cost of water treatment and has the advantages of good stability, loss difficulty and reduced secondary pollution, low price of immobilized raw material sodium alginate, good biocompatibility, simple fixing process and low production cost and is easy to realize redox mediator recovery, regeneration and recycling.

The invention provides a novel environment-friendly modified plastic circulation mold shell. The novel environment-friendly modified plastic circulation mold shell comprises a shell top, a shell body, a shell bottom and strengthening ribs and is characterized by further comprising a positioning edge and a water wetting port, the inclined shell body is arranged at the lower end of the shell top, the shell bottom is arranged at the lower end of the shell body, the positioning edge is arranged at the bottom of the shell bottom, the water wetting port is formed in the center of the shell top, and the strengthening ribs which are arranged in a staggered mode are arranged on the inner side of the shell top and the inner side of the shell body. According to the novel modified plastic mold shell, the positioning edge is increased, when the shell bottom of the plastic mold shell is spliced, a positioning groove is formed by combining positioning edges of the shell bottoms of two adjacent plastic mold shells, a positioning mold plate is clamped in the positioning groove for positioning, the plastic mold shell fixing process is simplified, the plastic mold shell is fixed more firmly, the situations of mold exploding and running are greatly avoided in the concrete pouring process, and therefore the construction quality is guaranteed.

The invention discloses a high-temperature superconducting magnetic levitation propulsion system, the system comprises a vehicle body and a track, a vehicle-mounted levitation magnet is arranged at the bottom of the vehicle body, the vehicle-mounted levitation magnet is fixedly connected with the vehicle body, the vehicle-mounted levitation magnet comprises high-temperature superconducting strips,and the multiple high-temperature superconducting strips are arranged in a stacked mode; the rail is fixedly arranged on the ground, and a permanent magnet rail is arranged on the rail, corresponds to the vehicle-mounted suspension magnet and is used for achieving suspension and guiding of the vehicle body. The high-temperature superconducting magnetic levitation propulsion system is simple in structure, the structure is ingenious, the suspension magnet is not a traditional high-temperature superconducting block but a high-temperature superconducting strip. The high-temperature superconducting strips are more uniform in trapped magnetic flux, train operation vibration is small, the fixing process of the stacked / woven high-temperature superconducting strips is simple, the high-temperaturesuperconducting strips can be stacked in different directions according to needs, great convenience is brought to design of the superconducting suspension magnet, and the specific requirements for suspension force and guide force are met.

The invention discloses a middle frame and a making method thereof, and an electronic device; the method comprises the following steps: preprocessing a metal base material so as to form frame prefabricated slabs, wherein slots are formed on the inner side wall of the frame prefabricated slab; providing a middle plate, and forming a plurality of bumps arranged at intervals on the side wall of the middle plate; assembling the bumps into the slots so as to set the plurality of frame prefabricated slabs around the periphery of the middle plate, and using the plurality of frame prefabricated slabsto form an annular outer frame that encircles the middle plate, thus obtaining the middle frame. The method can effectively improve the raw material utilization rate, can save raw materials, can reduce production costs, can reduce processing time, can improve production efficiency, and can simplify the solidification process.

The invention discloses a disc type motor rotor structure and a disc type motor. The disc type motor rotor structure comprises a hub support, an annular clamp and a plurality of permanent magnets, wherein the hub support is in a disc shape, an axle hole is formed in the center of the hub support, an inner limiting ring is installed on the installation face of the hub support and located on the periphery of the axle hole in a protruding mode, the annular clamp is arranged on the periphery of the hub support, a plurality of clamping grooves distributed in the peripheral direction of the annular clamp are formed in the inner side face of the annular clamp, the outer ends of the permanent magnets are correspondingly clamped and limited to the multiple clamping grooves, and the inner ends of the permanent magnets are limited by the inner limiting ring. Due to the fixing structure, the magnetic faces of the permanent magnets are not damaged, the magnetism of the whole magnet is not affected, the structure is simple and convenient to install, the permanent magnets adopt the boltless fixing structure, and the disc type motor rotor structure is suitable for batched production.

The invention discloses a glove, and relates to the technical field of electronics. The glove comprises a body and a first sensor, wherein the body wraps the hand, the first sensor is arranged at thefirst position of the body, the first position corresponds to the joint of the hand, and the first sensor detects motion information of the hand when the hand moves. The technical problem that in theprior art, the connecting portion of a photoelectric detector and optical fiber in a data glove thin plastic optical fiber sensor is prone to damage and cannot be replaced, the fixation process is complex, so that the size of the plastic optical fiber sensor is increased, and the plastic optical fiber sensor is difficult to detect. The technical effects that the fixation process is simple, plasticoptical fiber processing accuracy and coupling efficiency are improved, splicing loss is reduced, the mechanical strength is high, and detection and replacement are easy are achieved.

A fixing structure for the filter unit of electric oven is composed of a top plate of internal cavity with a through hole, a filter unit inserted in said through hole for filtering out the harmful gas, and a ventilation tube above said filter unit for exhausting the harmful gas.

The invention discloses a method for preparing a middle frame, the middle frame and electronic equipment. The method comprises the following steps: a metal master plate is formed based on a metal substrate through extrusion molding; the metal master plate is pretreated to form multiple frame precast slabs; grooves are formed in the inner side walls of the frame precast slabs; a middle plate is provided; multiple convex parts are arranged on the side wall of the middle plate at intervals; and the convex parts are assembled in the grooves to arrange the multiple frame precast slabs on the peripheral sides of the middle plate to form an annular outer frame surrounding the middle plate so as to obtain the middle frame. The method is high in utilization rate of raw materials and low in total wastes to reduce the material cost, and meanwhile, has the advantages of simple procedures, stable sizes, low machining cost, simple fixing process and high production efficiency; and the middle frame prepared by the method is excellent in appearance quality and high in overall strength, and further improves the product market competitivity.

The invention discloses a refrigerating device. The refrigerating device comprises a fan, an air duct and a micro-channel condenser, wherein the fan and the micro-channel condenser are fixed to two opposite sides of the air duct respectively, locating columns extend out from one side, facing the micro-channel condenser, of the air duct, a buffer piece is arranged at the front end of each locatingcolumn in a sleeving mode, and the buffer pieces are inserted into the micro-channel condenser, so that the air duct and the micro-channel condenser are assembled stably. According to the refrigerating device, the air duct and the micro-channel condenser are combined through buckles, clamping grooves and the locating columns provided with the buffer pieces, therefore, the situation that the air duct and the micro-channel condenser are fixed through rigid connection is avoided, the fixing process is simple, and the functions of shock absorption and noise reduction are achieved.

The invention discloses a spliced combined cab for a motor tricycle. The spliced combined cab comprises a front windshield assembly, a shed frame combination, a front transverse beam and a cab front panel, wherein an installing platform is formed on the cab front panel; the front windshield assembly consists of a support framework, a transparent windshield and a sealing rubber strip; the transparent windshield is bonded and fixed in an installing groove formed on the support framework through the sealing rubber strip; a bent-over edge which corresponds to the installing platform on the cab front panel is formed at the lower end of the support framework; the front windshield assembly is fixedly arranged on the cab front panel by using a bolt; the shed frame combination consists of a support framework and a ceiling; a forward extending part is formed at the upper end of a support vertical column of the support framework, is connected with the support framework through a bolt, and is used for fixing the ceiling through a bolt; and the lower end of the support vertical column is fixedly connected with the front transverse beam through a bolt. An assembled combined structure is formed by all assemblies of the cab.

This invention relates to a reciprocal movement electric machine improved stacked core fixing structure including iron core, coil, and fixing rings, the said coil tube is an insulator with coil woundin it, the terminal part and the coil tube formed into one integral unit with external power supply turned-on to the coil, a first and a second layers of stacked iron cores are stacked bodies, among which the first one is formed by multiple silicon-steel sheets in specific sheet shape and the second one is plug into inside or outside of the first one kept at a certain distance, the insertion slots are set up on the first and second stacked iron cores in concentric circles, the fixing ring is pressed into the slot, and its inlet side section is narrower than the central section.

The invention provides a backlight module and a display device. The backlight module comprises a first region and a second region disposed in the first region. The first region is provided with a backplate. The back plate comprises a bottom plate and a side plate connected with the bottom plate. The bottom plate is a through hole in the second region. The side plate surrounds the second region. According to the backlight module, an annular flexible circuit board and a light guide component are arranged in the second region. A light source is disposed on the inside surface of the annular flexible circuit board. The annular flexible circuit board is fixedly connected with the side plate, so that the assembly process difficulty is reduced, the basic function of display can be achieved underthe action of the light guide component, and the fixing process of the light source can be simplified.

The invention discloses a fixator of bone and cartilage and a using method of the fixator. The fixator of the bone and the cartilage is pre-embedded into a receptor bone bed, the fixator is a bracketformed by absorbable medical polymer materials through 3D printing, the bracket is composed of a barrel body on the upper part and a cone on the lower part, and the fixator clamps and fixes donor bonecultured by tissue engineering and the cartilage. According to the fixator of the bone and the cartilage and the using method of the fixator, a tissue engineering donor can be reliably fixed to the receptor bone bed, the fixing processing cannot wear peripheral cartilage, and the fixing processing is extremely simple; the donor is always in close contact with the receptor bone bed, and a stable heal environment is provided; and after the fixator fixes the donor bone to the cartilage, finally no foreign matter exists in a body, and complication cannot occur.

The invention relates to a preparation method and application of an antimicrobial liquid. The preparation method comprises the following steps: mixing 0.2-0.4 gram of charge-transfer catalyst (mass / gram) with every liter of inorganic silicon liquid (volume / liter), and carrying out ultrasonic dispersion for 15-30 minutes to obtain the antimicrobial liquid. The application method comprises the following steps: evenly dispersing the antimicrobial liquid on the surface of a glass, marble, ceramic tile or ceramic construction material or a daily article prepared from glass, ceramic or marble by an impregnation-dip coating film formation, brushing or spraying technique; and finally, carrying out low-temperature heat treatment at 100-300 DEG C for 15-30 minutes to obtain the antimicrobial function construction material or daily article. The invention has obvious killing effects on Staphylococcus aureus and Escherichia coli, and adopts the novel antimicrobial mechanism of no need of light and water; the invention has the advantages of small use amount, low-temperature treatment, low energy consumption, low cost, simple fixing technique and wide application range, and is easy for popularization and convenient to operate; and the antimicrobial liquid has the advantages of no toxicity, no stimulation and delicate fragrance.

The invention discloses a magnetic bearing ring of a micro-Hall motor. The magnetic bearing ring consists of a ring body (1), a shaft hole (2), an interference rib (3), an orientation groove (4), a magnetic core groove (5 ), hot melting table (6) and mesopore (7). In the present invention, the non-magnetized magnetic core is embedded in the magnetic core groove first, and the magnetic core is fixed by hot-melt flattening and hot-melt table, and then the magnetic core is oriented magnetized based on the directional groove, and then the ring body is fixed through the shaft hole. The technical solution of interference press fitting on the rotor shaft of the motor overcomes the problems and deficiencies of the existing technology such as uneven magnetic distribution or high cost of complex process, so that the setting of the rotation measuring magnet of the micro-Hall motor achieves a magnetic The purpose of uniform distribution, process simplification and cost reduction.

The invention provides a power line fixing structure, a display device and a power line installation method. The power line fixing structure comprises a cover plate and a fixed piece. One end of the fixed piece is snapped into the cover plate, the other end of the fixed piece and the cover plate form a clamping part for fixing a power line, and the clamping part and a clamping groove of the powerline are in mutual engagement. The invention provides the power line fixing structure, the display device and the power line installation method, one end of the fixed piece is snapped into the cover plate, the other end of the fixed piece and the cover plate form the clamping part for fixing the power line, the power line is fixed to the cover plate through the clamping part, when the power line is installed, the power line is directly inserted into the cover plate, then the fixed piece is snapped into the cover plate such that the power line is fixed in the clamping part formed by the cover plate and the fixed piece without screws for fixation, the fixing process of the power line is simple, and the production efficiency is improved.

The invention discloses a manufacturing process and structure of an LED module, which is characterized in that the LED chip is fixed on the upper surface of a substrate through an insulating adhesive layer; two LED chips form a pair of LEDs, and the electrode faces upward; Then the substrate electrode is fixed on the upper surface of the substrate through an insulating adhesive layer; and then the bonding wire is bonded between the substrate electrode and the electrode of the LED chip; a parallel connection part is set between every two adjacent LED pairs , the bonding wire is drawn from the electrodes of each LED chip in the LED pair and connected to the parallel part, so that the LED pair becomes an electrically parallel parallel unit; all the parallel units are connected in series through the parallel part to form an LED string; finally The phosphor layer is applied to cover the LED chip, bonding wire and insulating adhesive layer; the substrate itself of this solution omits all insulating layers and soldering points, the thermal resistance is small, and the uneven heat conduction caused by the welding process / structure is also avoided , the fixing process of the LED chip is simple, the structure is simple, and the processing speed is fast.

A polarizing prism mad eof YVO4 crystal features that its angle theta must be greater than alpha e but less han alpha o to ensure full reflection of slow light on air gap interface, a high-safety polarizing angle beta must exist to ensure complete linear polarization of outgoing light, and the fast light must have the transmission rate at air gap interface as high as passible. Its advantages are with transmission range, great birefringence, high optical uniformity, low temp coefficient, and high hardness.

The invention discloses a preparation method and an application of a quinonyl starch functional material, which belongs to the field of environment engineering, chemical engineering and material engineering. According to the technical scheme, starch which is rich in resource, simple in chain structure, free of biologic toxicity and harm, stable in property and easy to modify is adopted as a carrier material for fixing a quinones compound by using a chemical grafting method, and the prepared quinonyl starch is applied to an accelerated perchlorate micro-biological degradation process. The preparation method and the application have the beneficial effects that firstly, as the quinones compound is fixed to a starch macromolecular framework by using a chemical grafting method, the fixation process is simple, the stability is good, the quinonyl is not easy to loss, and the secondary pollution is effectively reduced; secondly, the raw materials are cheap, good in biocompatibility, low in production cost and easy in practical application; thirdly, a good catalysis effect is achieved when the quinonyl starch is applied to acceleration perchlorate micro-biological degradation; fourthly, the application field of a quinonyl modified starch functional material is widened.

The invention discloses a magnetic bearing ring of a micro Hall motor. The magnetic bearing ring comprises a ring body (1), a bearing hole (2), interference ribs (3), a positioning groove (4), magnetic core grooves (5), hot melting tables and mesoporous (7). According to the technical scheme, magnetic cores which are not magnetized are firstly embedded into the magnetic core grooves and fixed by hot-melting flattening of the hot melting tables, and then the magnetic cores are directionally magnetized based on the positioning groove, and finally the ring body is arranged on a rotor shaft of the motor through the shaft hole in an interference press manner, therefore, the problems and the defects of non-uniform magnetic distribution or high process complexity and low cost are solved; and through the arrangement of a rotation detection magnet of the micro Hall motor, the purposes of uniform magnetic distribution, process simplicity and cost reduction are achieved.

The invention discloses a novel middle pipe structure for mounting a ball bearing. The novel middle pipe structure for mounting the ball bearing comprises a middle pipe, the middle pipe is arranged in a stationary blade hub, one end of the middle pipe is fixedly provided with a first ball bearing through a binder in a bonding manner, and the other end of the middle pipe is fixedly provided with a second ball bearing through a binder in a bonding manner; one end of the middle pipe is provided with a first radial supporting circular ring surface, the other end of the middle pipe is provided with a second radial supporting circular ring surface, a first groove is formed in the first radial supporting circular ring surface, and a first communicating cavity used for accommodating the binder is formed among the first groove, the first ball bearing and the middle pipe; and a second groove is formed in the second radial supporting circular ring surface, and a second communicating cavity used for accommodating the binder is formed among the second groove, the second ball bearing and the middle pipe. According to the novel middle pipe structure for mounting the ball bearing, the concentricity of the bearing is improved, the service life of the fan is prolonged, the fixing technology of the ball bearing and the middle pipe is simplified, and the assembling cost is reduced.

The invention discloses a model airplane light source hanging device, and relates to the technical field of model airplane accessories. Comprising a base and a guardrail, the guardrail is arranged below the base, an LED lamp holder is fixedly installed in the base, a wire is arranged in the base, an LED colored lamp is installed at the lower end of the LED lamp holder, an inserting groove is formed in the outer edge of the lower end of the base, and a clamping bamboo shoot is fixedly connected to the inner wall of the inserting groove; the guardrail is arranged to form a cage-shaped protection structure on the lower portion and the outer side of the LED colored lamp after the device is combined, the LED colored lamp is protected when a model airplane is collided, the situation that the fragile transparent shell part of the LED colored lamp is directly contacted with a sharp object to be damaged is prevented, the base and the guardrail are combined in an inserted connection mode, and the LED colored lamp can be conveniently assembled and disassembled. The LED colored lamps are fixed through sliding connection of the clamping bamboo shoots and the sliding grooves, the overall fixing process is simple, the LED colored lamps and the LED lamp holders can be directly separated after the guardrail is disassembled, the disassembling and assembling process is simplified, and the purpose of facilitating disassembling and assembling is achieved.

The invention discloses a middle pipe with a liquid injection groove and a groove structure. The middle pipe comprises a middle pipe body, the middle pipe body is arranged in a stationary blade hub, a first ball bearing is fixedly arranged at one end of the middle pipe body through an adhesive in a bonding manner, a second ball bearing is fixedly arranged at the other end of the middle pipe body through an adhesive in a bonding manner, a first radial support ring surface is arranged at one end of the middle pipe body, and a second radial supporting ring surface is arranged at the other end of the middle pipe body; and the first radial supporting ring surface is provided with a first groove, the first radial supporting ring surface is further provided with a first liquid injection groove, the first liquid injection groove is connected with the first groove, the second radial supporting ring surface is provided with a second groove, the second radial supporting ring surface is further provided with a second liquid injection groove, and the second liquid injection groove is connected with the second groove. According to the middle pipe, the stress of a ball bearing is improved, the service life of the bearing is prolonged, the concentricity of the ball bearing and the middle pipe is ensured, and the process difficulty of adhesive injection is reduced.

The invention relates to a clamp photo frame. The clamp photo frame comprises a frame body, a back plate and suspension ropes, wherein the frame body is arranged on the back plate, the suspension ropeis arranged on the frame body, a fixing clamp for fixing a photo is arranged on the hanging rope, a steel ball is also arranged on the suspension rope, and the frame body is further provided with anelastic rope enabling the steel balls to abut against the fixing clamps. The elastic rope further comprises a supporting section used for supporting the suspension rope. The method has the advantagesthat the method is simple, the photo is fixed on the hanging rope in the frame body in a hanging manner through the fixing clamp, according to the photo frame, an existing structure that a photo is installed on a single frame body is changed, different installation requirements can be met according to the number and the size of the photo installed according to the type of the photo, the photo is convenient to install and detach, the photo can be hung rapidly without extra auxiliary parts, the photo fixing process is simplified, and the photo can be replaced rapidly and conveniently.

The invention discloses a method for forming supramolecular hydrogel through enzyme self-assembly for biological catalysis, and relates to a method for immobilizing ethanol dehydrogenase through an enzyme self-assembly method, application of the ethanol dehydrogenase and a method for synthesizing R-chiral alcohol. The method for immobilizing the ethanol dehydrogenase by using the enzyme self-assembly method comprises the following steps: mixing the ethanol dehydrogenase, a nitrogen-containing organic ligand and a pH buffer solution to obtain a pre-gelatinized initial solution; mixing the initial solution and the metal ion solution, and continuously carrying out gelation reaction to obtain a gel solution; and centrifuging, washing and freeze-drying the gel solution to obtain the porous hydrogel containing the ethanol dehydrogenase. The immobilization method is simple in step, a carrier is not needed, chemical modification and additional additives are not needed, and compared with free enzyme, the hydrogel obtained through enzyme self-assembly has better organic solvent tolerance, heat stability and storage stability and can be used for preparing the hydrogel. The catalyst is used for catalyzing asymmetric reduction of aryl ketone to synthesize R-chiral alcohol, and has very high yield and chiral selectivity.

The invention discloses a middle pipe with an annular groove structure. The middle pipe comprises a middle pipe body, the middle pipe body is arranged in a stationary blade hub, a first ball bearing is fixedly arranged at one end of the middle pipe body through adhesive in a bonding manner, a second ball bearing is fixedly arranged at the other end of the middle pipe body through the adhesive in a bonding manner, a first radial supporting circular ring surface is arranged at one end of the middle pipe body, a second radial supporting circular ring surface is arranged at the other end of the middle pipe body, the first radial supporting circular ring surface is provided with a first annular groove, the first annular groove is higher than the first ball bearing, the second radial supporting circular ring surface is provided with a second annular groove, and the second annular groove is higher than the second ball bearing. The concentricity of the two assembled ball bearings is improved, the reliability of the fan is improved, and the service life of the fan is prolonged.