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27results about How to "Prevent pulling out" patented technology
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A pediatric stomach tube storage device
This utility model provides a pediatric gastric tube holder, belonging to the field of gastric tube storage technology. It includes a lower storage box and an upper storage box, with the lower storage box located below the upper storage box and the two boxes connected by a locking mechanism. An elastic clip is fixed to the bottom of the lower storage box; a magnetic strip is embedded and fixed to the bottom of the lower storage box; a lower moving platform is located inside the lower storage box; a suction strip is embedded and fixed to the top of the lower moving platform; and a lower vortex-shaped wire plate and a lower gastric tube guide cover are fixed to the top of the lower moving platform. This utility model allows for a certain amount of displacement for the gastric tube after storage by reserving space inside the lower and upper storage boxes. This allows for the release of a portion of the gastric tube when it is accidentally pulled, preventing it from being pulled out of the patient's body, ensuring normal use of the gastric tube, and reducing patient pain.
Owner:NANTONG MATERNAL & CHILD HEALTH CARE HOSPITAL
Catheter nursing device for intravenous therapy in oncology department
PendingCN121987442Aimprove securityImprove efficiencyNursing accommodationNursing processNursing care
The invention relates to the technical field of medical instruments, and discloses a catheter nursing device for intravenous therapy in the oncology department, which comprises a mounting seat, an arm clamping and fixing mechanism is arranged on the outer wall of the mounting seat, the arm clamping and fixing mechanism comprises a servo motor, and the front surface of the servo motor is fixedly connected with the upper end of the back surface of the arm clamping and fixing mechanism; the output end of the servo motor movably penetrates through the front face of the mounting base, a lead screw is fixedly mounted at the output end of the servo motor, a mounting frame is movably mounted on the front face of the lead screw, the back face of the mounting frame is fixedly connected with the front face of the mounting base, a connecting frame is fixedly mounted at the middle end of the front face of the mounting frame, and a limiting guide rod is fixedly mounted at the front end of the inner wall of the mounting frame. By arranging the arm clamping and fixing mechanism, the arm of a patient can be stably fixed, the problem that a catheter is pulled out or shifted due to shaking of the arm of the patient or misoperation of medical staff in the nursing process is effectively solved, and the nursing safety and efficiency are improved.
Owner:HUBEI HENGJIU BIOMEDICAL TECH CO LTD
Aluminum profile capable of being quickly spliced
The utility model discloses an aluminum profile capable of being quickly spliced, and relates to the technical field of aluminum profiles. The aluminum profile comprises an aluminum profile body, a butt joint column is fixed to one end of the aluminum profile body, a butt joint hole and an installation cavity are formed in the other side of the aluminum profile body, limiting grooves are formed in the outer surface and the back of the butt joint column, and a gear is installed in the installation cavity through an installation frame. A worker inserts a butt joint column of one set of aluminum main bodies into a butt joint hole of the other set of aluminum main bodies, when the butt joint column makes contact with a limiting tooth column and exerts pressure on the butt joint column, the limiting tooth column is subjected to the extrusion wheel to avoid, and when the butt joint column continues to be inserted, the limiting groove corresponds to the limiting tooth column in position, and under the reset effect of a spring, the butt joint column and the limiting tooth column are in butt joint. And one end of the limiting tooth column is inserted into the limiting groove, so that the purpose of fixing the butt joint column is achieved.
Owner:ANHUI REN ALUMINUM TECH CO LTD
Railway track anti-creeper
Owner:CHANGCHUN DIDALON RAIL VEHICLE EQUIP CO LTD
wire connectors
ActiveCN224683541UPrevent pulling outFacilitates individual control of locking forceStructural engineeringMechanical engineering
The utility model discloses a wiring connector belongs to connector technical field. The utility model discloses a wiring connector, and the prelock structure that can lock the terminal locking part in the prelock position and the final lock structure that can lock the terminal locking part in the final lock position are equipped between the terminal locking part and the shell, and the prelock structure includes the prelock assembly no.
Owner:SHANGHAI KANGSUO AUTO ELECTRIC TECHNICAL CO LTD
Slide rail device with synchronous stopping mechanism
ActiveCN224083886UPrevent pulling outRack/frame constructionSupport structure mountingControl theoryMechanical engineering
A sliding rail device with a synchronous stopping mechanism is suitable for being arranged on a server cabinet where a plurality of sliding rail devices are arranged, the sliding rail devices are connected with linkage pieces, and each sliding rail device comprises an outer frame, an outer rail, a middle rail and the synchronous stopping mechanism. The outer rail comprises a movable groove, and the middle rail comprises a middle outer face facing the outer rail. The synchronous stopping mechanism comprises a stopping piece, a stopping block, a linkage piece and an elastic piece, wherein the stopping piece movably penetrates through the movable groove and is fixedly connected with the movable piece, the stopping block is arranged on the middle outer face, and the elastic piece is arranged on the installation face and is connected with the linkage piece. And each stop block is provided with a stop convex part, and the stop convex parts jointly define a stop groove which extends in an inclined manner and is used for the stop piece to movably extend in. When the middle rail moves relative to the outer rail, the stopping piece is pushed by the stopping block to move downwards along the stopping groove, then the linkage piece is driven to move downwards, meanwhile, the stopping pieces of other sliding rail devices are driven to move downwards to the position beside the stopping protruding part, and therefore the middle rails of other sliding rail devices are stopped from moving relative to the outer rail.
Owner:FIRST DOME
A disposable self-locking syringe
This utility model belongs to the field of medical device technology, and in particular to a disposable self-locking syringe, including a syringe barrel and a needle mounted on the surface of the syringe barrel. A rubber head is slidably connected to the inner surface of the syringe barrel, and a push rod is fixedly connected to the surface of the rubber head. A pressing plate is fixedly connected to the end of the push rod away from the rubber head. The syringe barrel also includes a connecting plate fixedly connected to one end, and a gripping part is fixedly connected to the surface of the connecting plate. Both the connecting plate and the gripping part are slidably connected to the rubber head. This device can not only lock the push rod in one direction, but also does not hinder the extraction of liquid medicine after the push rod is installed, making it convenient for medical personnel to use. When the push rod is pushed all the way down, it is locked so that it cannot be reused after use, thus fundamentally eliminating the need for reuse.
Owner:THE THIRD MEDICAL CENT OF THE CHINESE PEOPLES LIBERATION ARMY GENERAL HOSPITAL
A cylinder-driven closed-lift wedge tight self-locking mechanism
PendingCN122590631AImplement switch lock functionAchieve filling and inflation
The application provides a cylinder-driven closed gas rod wedge locking self-locking mechanism. The wedge locking self-locking mechanism comprises a cylinder, a wedge block, a pressing block and a closed gas rod, the closed gas rod is formed in extension along a horizontal direction, the wedge block is formed in extension along a vertical direction, the end of the closed gas rod is matched with an opening of a combustion chamber for opening and closing the opening, the head of the closed gas rod is connected with the pressing block, the piston rod of the cylinder is connected with the top surface outer wall of the wedge block, one side surface of the wedge block is a first inclined surface, the side surface of the pressing block facing the wedge block is a second inclined surface, and the first inclined surface is matched with the second inclined surface. The cylinder serves as a driving source, relies on the mutual pressing of the wedge block and the pressing block, and is linked with the closed gas rod to convert the vertical direction force into the horizontal direction force, so that the opening and closing locking function of the combustion chamber is realized. Through the limiting action of the two side walls of the U-shaped fork on the pressing block and the limiting locking action of the screw cylinder on the U-shaped fork, the closed gas rod can be more accurately controlled, and the sealing performance and the use safety are ensured.
Owner:713TH RES INST OF CHINA STATE SHIPBUILDING CORP LTD
Restraint bolster suitable for ERCP operation
The utility model provides a restraint bolster suitable for ERCP operation, which comprises a main bolster bag and two auxiliary bolster bags, the two auxiliary bolster bags are arranged on two opposite sides of the main bolster bag, the two auxiliary bolster bags and the main bolster bag can be folded to be overlapped, one side of the main bolster bag is provided with a fixing band for binding a bed and a restraint band for restraining a patient, and the other side of the main bolster bag is provided with a fixing band for binding the bed and a restraint band for restraining the patient. The two sides of the main pillow bag are respectively provided with an upper fixing strap and a lower fixing strap, and the two sides of the main pillow bag are respectively provided with an upper restraint strap and a lower restraint strap. And a patient can be fixed.
Owner:THE FIRST HOSPITAL OF LONGYAN CITY FUJIAN PROVINCE
A cutting eyelet method and device for a lock eyelet machine
PendingCN122588798AAchieve one-time moldingNo need for one-time molding
The application discloses a cutting type eyeletting method and device, and relates to the technical field of eyeletting processing. In order to solve the problem that the existing eyeletting machine cannot provide stable solid support for the fabric to be processed during the eyeletting process, resulting in fabric subsidence and yarn pulling, yarn extraction and burr, the method comprises the following steps: placing the fabric to be processed in the eyeletting area of the needle plate of the eyeletting machine; supporting the fabric to be processed by using the support body arranged in the eyeletting area; controlling the cutter to move downward along the direction perpendicular to the plane of the fabric to be processed, the cutter has a cutting edge, and the cutting edge is used for forming a shearing surface parallel to the supporting surface of the support body; controlling the cutter to continue to move downward to a preset termination position, so that the fabric to be processed located between the cutter and the support body is subjected to the supporting action provided by the support body and the vertical shearing action provided by the cutter at the same time, and the eyeletting incision of the fabric to be processed is formed by cutting; in this way, the burr, yarn extraction and yarn pulling phenomenon of the incision can be effectively reduced.
Owner:BULLMER ELECTROMECHANICAL TECH
Building construction positioning pile
ActiveCN224092466UStrong pull-out resistanceavoid displacementProtective foundationDirt cleaningArchitectural engineeringElectric machinery
The utility model discloses a building construction gauge pile, and relates to the technical field of gauge piles, the building construction gauge pile comprises a fixed seat, the side wall of the bottom of the fixed seat is fixedly connected with a pile cylinder, the side wall of the top of the pile cylinder is provided with a motor, the output end of the motor is fixedly connected with a rotating rod, the end part of the rotating rod is fixedly connected with a drill bit, and the rotating rod is arranged in the pile cylinder; by arranging the pile barrel, the inserting rods and the movable plate, the positioning pile can be stably fixed underground, damage to the positioning pile caused by external environmental factors such as weathering, water flow scouring and soil erosion is reduced, the service life of the positioning pile is prolonged, the multiple inserting rods can be tightly combined with soil or a rock stratum underground, and the compaction assembly is arranged on the side wall of the bottom of the fixing base. The positioning pile can obtain higher pulling resistance, displacement or pulling out under the action of external force is prevented, meanwhile, stable fixation can ensure that the positioning pile always keeps the original position and direction in the construction process, and therefore the construction accuracy is guaranteed.
Owner:SICHUAN FOURTH CONSTR CO LTD
Tail-rotating insertion pin for hairdressing device
The utility model discloses a tail-rotating plug pin for a hairdressing device, particularly relates to the technical field of tail-rotating plugs, and comprises a mounting block, a connecting ring is arranged at the bottom of the mounting block, a lifting rod is arranged at the top end in the mounting block in a penetrating manner, and a plurality of moving blocks are arranged on the side wall, close to the bottom end, of the mounting block in a penetrating manner; one side of the top of the mounting block is rotationally connected with an inclined pipe; the outer wall, close to the top, of the mounting block is in threaded connection with a threaded ring; the bottom end of the lifting rod is fixedly connected with a moving disc, and the top of the moving disc is fixedly connected with an extrusion spring around the outer wall of the lifting rod. The top of the end, close to the interior of the mounting block, of the moving block is rotationally connected with a connecting rod. The bottom of the moving disc is rotationally connected with the connecting rod. And an extension rod is arranged at the center of the bottom of the connecting ring, and a cable penetrates through one side of the interior of the mounting block. The plug has the advantages that the plug can be conveniently rotated and clamped to avoid pulling and falling off, the clamping is conveniently released, and the plug is convenient to plug and unplug.
Owner:CIXI YINTUO ELECTRONICS CO LTD
Deceleration clutch device and washing machine
PendingCN121760171AGuaranteed uptimePrevent pulling outOther washing machinesTextiles and paperLaundry washing machineRolling-element bearing
The invention discloses a speed reduction clutch device and a washing machine. The speed reduction clutch device comprises an output shaft, an output shaft sleeve and a limiting device. The output shaft sleeve is provided with an axial through hole, the output shaft is arranged in the axial through hole of the output shaft sleeve in a penetrating mode, a rolling bearing and an oil bearing are arranged between the output shaft and the output shaft sleeve in the axial direction, and the limiting device is arranged between the output shaft sleeve and the output shaft and prevents the output shaft from moving upwards. The rolling bearing and the oil-retaining bearing are arranged between the output shaft and the output shaft sleeve in the axial direction, the rolling bearing can play a role in supporting the output shaft to rotate, and the problem of water leakage caused by the fact that radial gaps among the output shaft, the output shaft sleeve and matched parts are enlarged due to excessive abrasion caused by friction is solved; the noise reduction effect can also be achieved when the output shaft rotates; the rolling bearing and the oil bearing are matched to reduce cost and improve the operation effect of the output shaft. The limiting device is arranged between the output shaft sleeve and the output shaft, so that the output shaft can be prevented from moving upwards and being pulled out.
Owner:QINGDAO HAIER WASHING MASCH CO LTD +1
An integrated processing equipment for carbonizing and shaping bamboo skewers
This invention discloses an integrated processing equipment for carbonizing bamboo skewers, relating to the technical field of forming. It includes a casing, with a heating wire fixedly connected to the lower part of the casing, and an air outlet pipe connected to the upper middle part of the casing. Guide plates symmetrically distributed along the casing are fixedly connected inside the casing. A first placement frame is slidably connected inside the casing, and a second placement frame is placed on the first placement frame. A ventilation groove is opened in the middle of the second placement frame. Both the first and second placement frames have multiple air outlets. Fan blades symmetrically distributed along the casing are rotatably connected inside the casing. This invention, by setting up a first and second placement frame stacked vertically, and utilizing the hot airflow generated by the heating wire passing through the air outlets of both frames, combined with the motor-driven fan blades and guide plate structure, rationally distributes the hot airflow to each layer of bamboo skewers, ensuring uniform heating of multiple layers of bamboo skewers during carbonization, effectively improving carbonization quality and consistency.
Owner:HUNAN FUSEN BAMBOO DEVELOPMENT CO LTD
Optical cable terminal box jumper fiber plug structure
ActiveCN224417069Ufirmly connectedPrevent loosening and falling offStructural engineeringOptical fiber connector
The utility model belongs to the technical field of optical fiber patch cord, and disclose the jumper tail fiber plug -pull structure of optical cable junction box, including optical cable adapter, the optical cable adapter is installed in the optical cable junction box, the one end of optical cable adapter is equipped with the mounting groove, the optical fiber connector is installed in the mounting groove, the optical fiber connector is equipped with the plug -pull assembly with mounting groove, the plug -pull assembly includes sleeve rod, the sleeve rod is connected with the optical fiber connector sliding sleeve, both ends of optical fiber connector are all fixedly connected with the joint block, two the joint block all is hollow, the inner surface of two joint block all is connected with the moving block slidingly, the utility model discloses through setting plug -pull assembly, in the sleeve rod sliding drive moving block movement, make the plug -in block can accurate and firmly card into the slot, realize the stable connection of optical fiber connector and optical cable adapter, effectively prevent the tail fiber loose and fall off, guarantee the stability of signal transmission.
Owner:SHENZHEN BIYANG OPTICAL COMM TECH CO LTD
A drip irrigation tape lifting device
The utility model discloses a kind of drip irrigation belt lifting equipment, including rack, shallow burying soil breaker and impurity removing belt extractor are respectively installed on the rack, the shallow burying soil breaker includes first connecting frame, hinged with first cross frame on the first connecting frame, the other end of the first cross frame is hinged with first drive motor, and the output end of the first drive motor is fixedly connected with disc. Through the shallow burying soil breaker and impurity removing belt extractor set, by its cooperation, drip irrigation belt can be quickly lifted, wherein, shallow burying soil breaker is driven by first drive motor disc and first pole bar high-speed rotation, can quickly hook up drip irrigation belt buried in soil upward;Impurity removing belt extractor is driven by second drive motor driving link, second connecting rod, can drive driving rod and second pole bar reciprocating swing, to further separate drip irrigation belt from soil, so that the lifting amount of drip irrigation belt in unit time can be greatly improved.
Owner:李用齐
Eye massager
ActiveCN224166569UPrevent pulling outImprove reliabilityEye exercisersOphthalmologyMechanical engineering
The utility model discloses an eye massager, which relates to the technical field of massage equipment, and comprises a casing, an eye massager, an eye massager body and an eye massager body, the soft rubber part comprises a base plate, a massage terminal and a first surrounding edge, the massage terminal is arranged on the base plate in a protruding mode, the first surrounding edge is arranged on the periphery of the base plate, the base plate is arranged in the machine shell, and the massage terminal penetrates out of the machine shell from the installation opening; the vibration piece is arranged in the massage terminal; the supporting piece is connected with the machine shell, the supporting piece is provided with a front end face facing the base plate and a rear end face opposite to the front end face, the front end face is matched with the periphery of the machine shell to clamp the base plate, and the first surrounding edge abuts against the rear end face. The eye massager provided by the utility model solves the technical problem that the soft rubber of the massage head is easy to pull out.
Owner:SHENZHEN BREO TECH CO LTD
Hot-pressing demolding device, hot-pressing mold and hot-pressing method
ActiveCN119750891BImprove convenienceavoid damageGlass pressing apparatusStructural engineeringMechanical engineering
The present application belongs to the field of glass hot-pressing technology equipment, and particularly relates to a hot-pressing demolding device, a hot-pressing mold and a hot-pressing method. The hot-pressing demolding device comprises a lock catch assembly, a first half sleeve with a first groove and a second half sleeve with a second groove, and the first groove and the second groove jointly form a positioning hole; the lock catch assembly has a locked state and an unlocked state; when the lock catch assembly is in the locked state, the lock catch assembly connects the first half sleeve and the second half sleeve and restricts the relative movement of the first half sleeve and the second half sleeve in a first direction; when the lock catch assembly is in the unlocked state, the movement restriction of the first half sleeve and the second half sleeve is released. The present application can avoid forcibly pulling out the upper mold, the lower mold and the glass blank in the vertical direction, and improves the convenience of glass blank demolding.
Owner:SHENZHEN UNIV
Protective plug for USB interface
ActiveCN224123580UPrevent pulling outprevent pryingDigital data processing detailsCouplings bases/casesUSBMechanical engineering
The utility model discloses a protective plug for a USB interface, and relates to the technical field of protective plugs, the protective plug comprises a plug body inserted in a cavity of the USB interface and a plug cap located at the end of the plug body, the wall of the cavity is provided with a slotted hole, the plug body is provided with a clamping hook clamped with the slotted hole, and the plug cap is provided with a clamping groove. The hook-shaped part of the clamping hook is at least clamped with the hole wall of the groove hole in the pulling-out direction of the plug body, the plug cap is attached to the end face of the USB interface or attached to the end face of a shell containing the USB interface, the thickness of the plug cap is gradually increased in the direction from the outer edge of the plug cap to the middle, and therefore a conical surface is formed on the side, away from the plug body, of the plug cap. According to the utility model, the requirement of forbidding the USB interface can be effectively met, and the USB interface is prevented from being forcibly pulled out
Owner:INSPUR (SHANDONG) COMPUTER TECH CO LTD
Terminal shell capable of improving stability of wire rod
ActiveCN224249091UAccurate insertionavoid offsetIncorrect coupling preventionSecuring/insulating coupling contact membersWire rodStructural engineering
The utility model relates to the technical field of terminal housings, and particularly discloses a terminal housing capable of improving wire stability, which comprises a housing, a plurality of terminal slots arranged in the housing, a wire inlet hole and a wire outlet hole respectively arranged at two ends of each terminal slot, a guide groove arranged at the wire inlet hole and a detachable rear cover arranged at the wire outlet hole, the rear cover is provided with an arc-shaped groove matched with the outer wall of the wire, the arc-shaped groove and the guide groove are oppositely arranged, and when the rear cover is installed at the wire inlet hole, a wire clamping space is formed between the guide groove and the arc-shaped groove. The utility model has the advantages of simple structure and convenient use, can ensure that the wire is inserted in place, improves the tension resistance of the wire, avoids the risk of circuit failure, and meets the use requirements.
Owner:HUIZHOU TAIJI ELECTRONIC LNDUSTRY CO LTD
Reinforcing device with inclined strut structure for single-pipe tower
The utility model discloses a reinforcing device for a single-pipe tower with an inclined strut structure in the technical field of single-pipe towers, which comprises a supporting seat and the single-pipe tower, the single-pipe tower is fixedly connected to the middle of the top of the supporting seat through bolts, four arc-shaped blocks are uniformly arranged around the outer side wall of the single-pipe tower, and the inclined strut structure is arranged between the supporting seat and the single-pipe tower. Every two adjacent arc-shaped blocks are fixedly connected through a U-shaped bolt, connecting notches are formed in the outer side walls of the arc-shaped blocks, and supporting bottom plates are fixedly connected to the front side wall, the rear side wall, the left side wall and the right side wall of the supporting base. The single-pipe tower can be effectively supported when the single-pipe tower is used, the tower body is effectively prevented from shaking, inclining or collapsing, and therefore the stability and safety in the using process are guaranteed, the anti-pulling capacity of the single-pipe tower can be improved, the phenomenon that the tower body is pulled out of the ground under the wind load effect is avoided, the fixing effect is improved, and meanwhile the stability in the using process is guaranteed.
Owner:HUBEI YUANYAN COMMUNICATION ENGINEERING CO LTD
Adaptive energy-absorbing buffer body, intelligent anti-collision structure and ship anti-collision armor
ActiveCN120422527BImproved resistance to sea ice head-on collisionsImprove the ability to rub
This invention discloses an adaptive energy-absorbing buffer, an intelligent anti-collision structure, and ship anti-collision armor. The adaptive energy-absorbing buffer includes a foam energy-absorbing layer and an adaptive buffer composite, wherein the adaptive buffer composite is uniformly distributed within the foam energy-absorbing layer. The adaptive buffer composite includes a flexible thin shell and a shear-thickening fluid encapsulated within the flexible thin shell. This invention effectively improves the ability of polar vessels to withstand head-on collisions and abrasions with sea ice during continuous icebreaking navigation, reduces damage to the outer steel plates of the hull from collisions, greatly expands the safety design space, extends the service life of the steel plates, and reduces ship maintenance costs.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Safety data network cable connector
ActiveCN224217824UControllable plug-in permission managementPrevent pulling outCoupling device detailsAccess networkData port
The utility model relates to the technical field of network cable connectors, in particular to a safety type data network cable connector, which comprises an end, a lock head is sleeved at the tail of the end, the lock head extends to a buckle position of the end and abuts against the buckle, and a lockset is arranged between the lock head and the end to limit movement of the lock head. The safety type data network cable connector further comprises a key, the key is detachably arranged on the lock head, the key is matched with the lockset to cancel limitation of the lock head, the detachable key is adopted to be matched with the lockset, only an authorized person can unlock through the key, controllable plugging authority management of the data port connector is achieved, and the safety type data network cable connector is convenient to use. The network cable is prevented from being pulled out or inserted at will, unauthorized equipment is effectively prevented from being connected to the network, the protection requirements of the national defense military industry, government, finance and other high-safety-level fields are met, and the overall structure is simple and practical.
Owner:TAIZHOU PUBLIC SECURITY BUREAU HUANGYAN BRANCH
Anti-blocking device for building electromechanical drainage
PendingCN121853805APrevent pulling outavoid cloggingBuilding material handlingSewer pipelinesArchitectural engineeringHouse building
The invention relates to the technical field of house building electromechanical, in particular to an anti-blocking device for house building electromechanical drainage, which comprises an anti-blocking base, the anti-blocking base is movably inserted into a drainage pipe, an anti-blocking cover is fixed at the top end of the anti-blocking base, a push rod hole is formed in the anti-blocking base, a push rod is movably inserted into the push rod hole, and the push rod is inserted into the push rod hole. A limiting plate is fixed to the end, extending out of the push rod hole, of the push rod and fixedly provided with an anti-skid pad which abuts against the inner wall of the drainage pipe. The anti-blocking drainage pipe has the beneficial effects that the anti-blocking base is placed in the drainage pipe, and the anti-blocking cover is lapped at the top end of the drainage pipe to seal the port of the drainage pipe, so that the aim of preventing sundries from falling into the drainage pipe to block the drainage pipe can be fulfilled; therefore, the anti-blocking base can be arranged in the middle of the drainage pipe, and the situation that the anti-blocking cover cannot completely cover an opening of the drainage pipe due to deviation of the anti-blocking base is avoided.
Owner:THE FIRST COMPARY OF CHINA EIGHTH ENG BUREAU LTD
Flame-retardant nylon 6 material as well as preparation method and application thereof
The invention relates to the technical field of polymer composite materials, and provides a flame-retardant nylon 6 material as well as a preparation method and application thereof. The flame-retardant nylon 6 material comprises the following components in parts by weight: 100 parts of flame-retardant nylon 6 and 30-35 parts of pretreated glass fibers, the pretreated glass fibers are obtained by impregnating glass fibers with modified silica sol; the modified silica sol is obtained by modifying silica sol with N-beta-aminoethyl-gamma-aminopropyl trimethoxy silane. Through the technical scheme, the problem of low strength of the nylon 6 material in the prior art is solved.
Owner:CANGZHOU BOHAI NEW DISTRICT XINYI CHEMICAL CO LTD
Preparation method of high-temperature-resistant and impact-resistant PVC insulating material
The application relates to a preparation method of high-temperature-resistant and impact-resistant PVC insulating material and belongs to the technical field of composite materials; a polyurethane flame-retardant chain extender with a pyridine ring structure, a phosphate structure and two hydroxyl structures in the structure is prepared, the polyurethane is modified by using the polyurethane flame-retardant chain extender, a flame-retardant polyurethane segment with the phosphate structure and the pyridine ring structure in the structure is prepared, and finally the flame-retardant polyurethane segment is grafted on the surface of glass fiber to obtain modified glass fiber. The modified glass fiber of the application is close to random distribution in the PVC matrix, and shows isotropy, so that the impact from different directions can be effectively resisted. In addition, the modified glass fiber of the application can effectively improve the rigidity of PVC and inhibit the thermal slip of molecular chains at the interface, so that the high-temperature resistance of the composite material can also be effectively improved.
Owner:YANGGU CHANGHUI CABLE CO LTD