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756 results about "Screw joint" patented technology
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A screw joint is a one-degree-of-freedom kinematic pair used in mechanisms. Screw joints provide single-axis translation by utilizing the threads of the threaded rod to provide such translation. This type of joint is used primarily on most types of linear actuators and certain types of cartesian robots.
Air-tight seal thread sealing performance evaluation method, thread optimal selection method and system
The invention belongs to the technical field of petroleum and natural gas industry, and discloses a gas seal thread sealing performance evaluation method and a thread optimization method and system.The evaluation method comprises the steps that structural parameters of a target connector are determined; determining the sealing contact effective length of the target joint and the initial interference magnitude of the sealing surface; obtaining a make-up torque model of the target joint; performing make-up torque parameter sensitivity analysis, and evaluating thread parameters by analyzing the influence of the magnitude of interference and the thread friction coefficient on the proportion of the total make-up torque and the shoulder surface acting torque; and performing finite element analysis on the target joint air-tight seal buckle, and evaluating the thread sealing performance under the corresponding working condition according to a finite element analysis result. Advanced theories of material mechanics, pipe column mechanics, finite element analysis and the like are integrated, various performance indexes of thread strength, thread sealing performance and the like of the threaded connector under different loading conditions can be comprehensively evaluated, and different parameter optimized thread structure stress values can be rapidly obtained.
Owner:PETROCHINA CO LTD
Foaming flexible rubber hose
The utility model relates to the technical field of flexible rubber hoses, in particular to a foaming flexible rubber hose. According to the technical scheme, the sealing assembly comprises a first threaded connector, a rubber hose, a buckle ring and an attaching block, the rubber hose is fixedly installed at the position, close to the end, of the inner wall of the first threaded connector, and the buckle ring is fixedly installed at the position, close to the end, of the outer arc face of the rubber hose; the inner wall of the second threaded connector is slidably connected with two attaching blocks which are symmetrically arranged, and the side portions of the buckle rings make contact with the attaching blocks. A first threaded connector is fixedly installed at the end of the main foaming hose, and the outer wall of the first threaded connector is in threaded connection with a second threaded connector. When air flows, the air applies pressure to the inner arc surface of the rubber hose to enable the rubber hose to be attached to the inner arc surface of the attaching block, and the clamping ring and the attaching block clamp the extending rubber sheet, so that the air is prevented from flowing to the joint of the first threaded joint and the second threaded joint, and the sealing effect is improved.
Owner:CHINA HUAYE GROUP
Floating type cutting mechanism for edge sealing belt
The utility model relates to the technical field of wood-working mechanical edge sealing equipment industry, and particularly discloses an edge sealing band floating type cutting mechanism which comprises an air cylinder bottom plate, an air cylinder is fixedly connected to the outer side of the air cylinder bottom plate, a cutter clamping sleeve is fixedly connected to the output end of the air cylinder, and a blade fixing plate is fixedly connected to the interior of the cutter clamping sleeve. The top of the air cylinder bottom plate is fixedly connected with an upper cutter guide groove, the bottom of the air cylinder bottom plate is fixedly connected with a lower cutter guide groove, the top of the air cylinder is fixedly connected with an exhaust valve, one end of the top of the exhaust valve is fixedly connected with a silencer, and the other end of the exhaust valve is in threaded connection with an L-shaped block insertion type threaded connector. The end, away from the cutter clamping sleeve, of the air cylinder is fixedly connected with a proximity sensor, the outer side of a bottom plate of the air cylinder is fixedly connected with a cutter groove, the swing assembly and the rotating shaft are arranged to control the whole cutting mechanism to swing, and meanwhile, the adjustable spring is reset through pressure, so that the cutter track material and the machining technology are optimized, and the cutting effect of a cutter edge is optimized.
Owner:GUANGDONG YUECHEN MASCH CO LTD
Scraper demolding supporting frame for 3D printing
ActiveCN223763806UAdditive manufacturing apparatus3D object support structures3d printComputer printing
The utility model belongs to the technical field of 3D printing, and discloses a 3D printing scraper demolding supporting frame which comprises a printer shell, first sliding rails are fixedly arranged on the two sides of the interior of the printer shell, first sliding blocks are arranged on the top faces of the first sliding rails in a sliding mode, and a supporting frame body is fixedly arranged on the top faces of the first sliding blocks. A fixing frame is fixedly arranged on the inner side of the supporting frame body, a first motor is fixedly arranged on the outer side of the supporting frame body, a threaded shaft is fixedly arranged at the tail end of a main shaft of the first motor, and a sliding block is in threaded connection with the outer side of the threaded shaft. And the problem that the efficiency is low during manual demolding is solved, so that the working efficiency is improved, and the manpower consumption is reduced.
Owner:ZHENGZHOU LU MAN INTELLIGENT TECHNOLOGY CO LTD
Pdc bit for rock breaking by shock oscillation with pressure pulse
The present application belongs to the field of oil drilling technology, and discloses a PDC drill bit for rock breaking by pressure pulse impact oscillation. The specific technical scheme is as follows: the PDC drill bit for rock breaking by pressure pulse impact oscillation is composed of an upper threaded joint, a shell, a jet pulse block and a drill bit. The jet pulse block is composed of a fluid inlet, a left feedback channel outlet, a right feedback channel outlet, a left fluid channel, a right fluid channel, a left backflow feedback inlet, a left backflow annular fluid channel, a right backflow feedback inlet, a right backflow annular fluid channel, a fluid outlet and a fluid outlet cavity. After the drilling fluid passes through the upper threaded joint, it enters the jet pulse block from the fluid inlet, and then passes through the fluid outlet and flows out from the drill bit water eye. When the drilling fluid passes through the jet pulse block, the flow direction of the drilling fluid will change periodically due to the action of the feedback channel, and a pressure pulse will be generated, forming impact oscillation, and thus accelerating the rock breaking and drilling of the drill bit. The present application has the function of improving the rock breaking efficiency of the drill bit by relying on pressure pulse impact oscillation.
Owner:SOUTHWEST PETROLEUM UNIV +2
Operating hand for controlling a surgical robot
ActiveCN116172723BSurgical manipulatorsSurgical robotsPhysical medicine and rehabilitationPhysical therapy
The present disclosure provides a kind of for controlling surgical robot operating hand, comprising: first shell, wherein the top surface of first shell is provided with first through hole;Second shell, is installed in first shell;Ball nut, is installed at the bottom end of second shell;Lead screw, with ball nut screw joint, the bottom end of lead screw is rotatably installed in the bottom surface of first shell;Magnetic attraction type locking device, is installed on ball nut, magnetic attraction type locking device is configured to be embraced tightly with lead screw in the case where power is supplied, to prevent the rotation of lead screw;Ball type operating hand, rotatably installed on second shell by first through hole;Wherein, in the case where the angle of ball type operating hand changes, the working state of surgical robot is controlled.
Owner:TIANJIN UNIV
Valve and charging device
The utility model discloses a valve and a charging device. The valve comprises a driving part and a connecting part connected with the driving part. One end, far away from the connecting part, of the driving part is inwards concavely provided with a ventilation cavity extending into the connecting part. A ventilation groove communicating with the ventilation cavity is formed in the side wall of the connecting part, and a first screw joint part is arranged on the side wall of the connecting part. The valve can ensure the air exchange between the interior of the charging device and the exterior of the charging device, and ensures the sealing performance.
Owner:SHENZHEN WOER NEW ENERGY ELECTRICAL TECH CO LTD
Stud bolt with anti-falling structure
The utility model relates to a double-end bolt with an anti-drop structure, which comprises a double-end bolt main body, a nut is screwed outside the double-end bolt main body, anti-drop cylinders are assembled at two end parts of the double-end bolt main body, fastening screw rods are inserted in the anti-drop cylinders, fastening screw grooves are arranged at two end parts of the double-end bolt main body, and the double-end bolt main body is connected with the nut. Fixing blocks are installed at the two ends of the anti-falling barrel correspondingly, anti-falling rods are installed at the top ends of the fixing blocks, annular rotating grooves are formed in the bottom ends of the nuts, the top ends of the anti-falling rods are arranged in the annular rotating grooves, buffering cavities are formed in the bottom ends of the anti-falling rods, and limiting mechanisms are installed in the buffering cavities; the end of the limiting mechanism is connected with a fixing block, and anti-disengaging spiral teeth are arranged on the inner wall of the anti-disengaging rod and meshed with the outer threads of the stud body. The technical scheme of the utility model has the technical effects of good tooth withdrawal prevention function, high connection strength and extremely high connection stability.
Owner:YUEQING ZHONGYUE FASTENERS CO LTD
Auxiliary part of electric appliance cabinet door lock
Owner:AIKE ELECTROMECHANICAL (SUZHOU) CO LTD
Auxiliary structure for inverter sheet metal
ActiveCN224333779UPrecision weldingWelding/cutting auxillary devicesAuxillary welding devicesScrew threadScrew joint
The utility model provides an auxiliary structure that inverter sheet metal is used, relates to sheet metal processing technical field, include: bottom plate, the left and right sides of bottom plate top all weld a block adjusting support board, the left and right sides of bottom plate top still weld two groups of four guide posts, four guide posts outside all install a spring, still slide and install a block lower pressure plate between the two groups of guide posts of bottom plate top, the left and right sides of the top of two block adjusting support boards are all through thread screw joint has a locating screw, the left and right sides of the front of side support board also weld two groups of four guide posts, the guide post outside slide and install a block side pressure plate of side support board front, the left and right sides of side support board front still rotate and install two screw rods. This structure can clamp and fix when welding sheet metal part, will not appear the condition of activity in the welding process, guarantees welding accuracy.
Owner:SUZHOU JINDIAN PRECISION MFG CO LTD
Single-seat self-operated pressure regulating valve
The utility model discloses a single-seat self-operated pressure regulating valve which comprises a valve seat structure, a sealing push rod, a middle-section connecting piece and a pneumatic structure, the surface of the valve seat structure is fixedly connected with the sealing push rod in a butt joint mode, the surface of the sealing push rod is fixedly connected with the middle-section connecting piece in a butt joint mode, and the surface of the middle-section connecting piece is fixedly connected with the pneumatic structure. According to the single-seat self-operated pressure regulating valve, the valve seat structure, the middle-section connecting piece and the pneumatic structure are arranged, so that the single-seat self-operated pressure regulating valve is roughly divided into three sections, the three sections are mutually extruded and butted and are connected in series through the long screw rod, the number of fixing structures of the single-seat self-operated pressure regulating valve is reduced, and the single-seat self-operated pressure regulating valve is reduced. The device is simple in structure and convenient to maintain and disassemble, by arranging a pneumatic structure and a sealing push rod, the operation path of the device is shortened, the response speed is increased, the device is more sensitive, the length of a push rod of an existing device is shortened, and a spring is placed in the pneumatic structure.
Owner:HANGZHOU WOBEN AUTOMATIC CONTROL VALVE CO LTD
Safety valve
ActiveCN223895136UOperating means/releasing devices for valvesMultiple way valvesElectric machineryPressure reduction
The utility model belongs to the technical field of natural gas, and particularly relates to a safety valve which comprises a main valve, a first connector is arranged on one side of the main valve in a communicated mode, a second connector is arranged on the side, away from the first connector, of the main valve in a communicated mode, and a manual valve is arranged on the side, away from the main valve, of the second connector in a communicated mode. A butterfly knob is arranged on the upper side of the manual valve, a threaded connector is arranged on the side, away from the main valve, of the manual valve in a communicating mode, and fixing frames are symmetrically arranged on the two sides of the manual valve. When fuel gas is overpressure or underpressure, the main valve can be automatically closed, after the main valve is closed, the air pressure in the second connector is rapidly reduced, the pressure sensor detects that the pressure is reduced, the controller controls the motor in the fixing shell to be started, the output end of the motor drives the clamping sleeve to rotate, and the clamping sleeve screws the butterfly knob to control the manual valve to be closed. The manual valve is closed automatically, double circuit break is completed, manual closing control is not needed, and the potential safety hazard of fuel gas is further reduced.
Owner:ZHEJIANG NATURAL GAS DEV CO LTD
Fire-fighting spray header with quick connection structure
The utility model provides a fire-fighting spray header with a quick connection structure, particularly relates to the technical field of fire-fighting spray headers, and comprises a fire-fighting spray header body, a screwed joint on the fire-fighting spray header body is in threaded connection with a water supply pipe, and after the screwed joint is screwed, the screwed joint extrudes a sealing gasket, so that the fire-fighting spray header with the quick connection structure is formed. After production is completed, a protective cover is connected to the outer side of a thermosensitive glass ball in a clamped mode through a first C-shaped clamping groove, then a connecting column on a protective plate is inserted into a through hole, during insertion, a first anti-disengaging ring and a second anti-disengaging ring are changed, and after insertion is completed, the protective cover is connected with the water supply pipe in a clamped mode. When the fire-fighting spray head body is installed, the first anti-falling ring and the second anti-falling ring rebound, the outer side of the first anti-falling ring is attached to the end opening of the through hole, the limiting effect after connection is achieved, and the protective cover and the protective plate are both made of rubber, so that the thermosensitive glass ball is better protected, and the thermosensitive glass ball is prevented from being collided and damaged when the fire-fighting spray head body is installed.
Owner:BEIJING ZHONGSHAN FIRE FIGHTING BAOAN TECH CO LTD
Material box logistics transportation device with elastic buffer clamping groove
The utility model discloses a material box logistics transport device with elastic buffer clamping slot relates to transport device technical field, aiming at the poor adaptability of clamping, the problem of not firm, not enough protection in prior art, present and propose the following scheme, including bottom plate, the top one end of bottom plate is connected with adjusting mechanism, and adjusting mechanism includes U type board, fixed block of welding respectively in the inner wall of both ends of U type board, the guide rod and handle screw rod connected with two fixed blocks respectively, the top other end of bottom plate is welded with first clamping mechanism and fixed. The utility model discloses clamping adaptability is strong and fixed firm: effectively solve the problem of poor adaptability of traditional device, not firm, through the handle screw rod of adjusting mechanism and fixed block screw joint cooperation, and the U type board can be driven along the guide rod steady movement to rotating handle screw rod, and then adjust the interval of second clamping mechanism and first clamping mechanism, and adapt to different specifications material box, need not to replace the device.
Owner:SHANDONG ANWEIDA LOGISTICS TRANSPORTATION CO LTD
Marine multichannel screwed joint cabin penetration pipe fitting
The utility model provides a marine multi-channel screwed joint cabin penetration pipe fitting, and relates to the technical field of cabin penetration pipe fittings. Comprising a bulkhead and a pipe fitting body, a disassembly and assembly connecting structure is arranged between the bulkhead and the pipe fitting body, the disassembly and assembly connecting structure comprises an internal thread round frame, and the outer surface of the internal thread round frame is fixedly connected with the inner wall of the bulkhead; disassembly and assembly separation structures are arranged at the two ends of the pipe fitting body, each disassembly and assembly separation structure comprises an external thread ring block, one side of the outer surface of each external thread ring block is fixedly connected with one side of the pipe fitting body, and the outer surface of each external thread ring block is in threaded connection with an internal thread ring cover. Through the arrangement of the disassembly and assembly separation structure, auxiliary disassembly and assembly can be carried out on parts such as a communicating pipe under the action of the internal thread ring cover and the external thread ring block, so that cables and the like in the pipe fitting body can be separated and arranged in a penetrating mode, the situation that the cables and the like are wound is avoided, and the subsequent arrangement cost is reduced.
Owner:ZHEJIANG QIANTAI TECH CO LTD
Photovoltaic panel dust removal equipment
Owner:GUANGXI XINGHU NEW ENERGY CO LTD +1
A method of manufacturing a fully-coated sucker rod
The present application relates to a kind of methods for manufacturing full-coated sucker rod, step one, sucker rod matrix is manufactured by machining method, the middle part of the finished sucker rod matrix is rod body, two end parts are rod head and two ends are symmetrically arranged, the rod head is from the end of sucker rod matrix towards rod body in turn threaded joint, unloading groove, shoulder, wrench square and flange, the outer surface of the rod body is covered with anticorrosive non-metal material layer;Step two, metal sleeve is made by machining method, and the finished metal sleeve is cylindrical;Step three, by extrusion, the metal sleeve is tightly attached to the outer surface of the shoulder, wrench square and flange, and completely covers the shoulder, wrench square and flange, and the anticorrosive non-metal material layer is covered, and the metal sleeve outer surface and the corresponding position of the shoulder, wrench square and flange form the same shape as the shape of the outer surface of the shoulder, wrench square and flange.The present application can reduce the cost and workload of machining, and facilitate on-site operation, improve work efficiency.
Owner:KENLI COUNTRY JINXIUMETAL SURFACE PROTECTION CO LTD
Shower wall base and shower assembly
The utility model discloses a shower wall seat and shower subassembly relates to bathroom accessory technical field, including the base that is used for installing on the wall and screw joint in the base end, the one face of base that faces the locking piece is concavely equipped with the first arc groove, the one face of locking piece that faces the base is concavely equipped with the second arc groove, and the first arc groove is concavely equipped with the second arc groove. The first arc-shaped groove and the second arc-shaped groove jointly define a containing groove used for containing a columnar object. Due to the fact that the base and the locking piece which are in threaded connection with each other are arranged, the containing groove used for containing the columnar object is defined by the locking piece and the base together, the size of the containing groove can be changed by adjusting the locking piece in the application process, shower rods of different sizes can be correspondingly installed, the application range is wider, and installation is more convenient and faster.
Owner:QUANZHOU BEGET SANITARY WARE CO LTD +1
Leakage testing device for oil level gauge of transformer
The leakage testing device comprises a tank body and an oil level gauge body, the left end of the tank body is provided with an air inlet, the left end of the tank body is provided with a pressure relief valve, the right end of the tank body is provided with a pressure monitoring meter, the upper end of the tank body is provided with an oil level gauge connecting port, and the upper end of the oil level gauge connecting port is provided with a threaded connecting ring. The oil level indicator body comprises an oil level indicator pipe body and a glass observation window, the glass observation window is installed on the side face of the oil level indicator pipe body, a matching ring is installed on the outer surface of the oil level indicator pipe body, and a threaded connector is installed at the lower end of the matching ring. Air with specified pressure is pumped into the air inlet, the pressure monitoring meter is observed, inflation is stopped after the specified pressure is reached, soapy water can be coated around the glass observation window after pressurization is completed, whether bubbles are generated or whether the air pressure is reduced or not is observed at specified time, and therefore the purpose of checking is achieved.
Owner:GUANGDONG KEHUA ELECTRIC POWER TECHNOLOGY CO LTD
Folding storage microphone support
The utility model discloses a folding storage microphone support which comprises a U-shaped seat, a folding arm and an adjusting head, a screw joint clamp is arranged on the U-shaped seat, an internal hexagonal wrench is arranged in the screw joint clamp, the folding arm is rotatably connected with the U-shaped seat, a plurality of connectors are arranged at the folding position of the folding arm, and the corresponding connectors are rotatably connected through a plurality of fasteners. The adjusting head is rotationally connected with the connector, the adjusting head is connected with a clamp through a connecting pipe, and the clamp is rotationally connected with an arc-shaped clamping plate through a hinge seat; the folding arm is rotatably connected with the U-shaped seat through the inclined plate, the universal ball enables the arc-shaped clamping plate to clamp the microphone through the V-shaped clamp, the folding arm can be flexibly pushed when the microphone is held, the position of the microphone can be rapidly adjusted by means of the universal ball, and the position of the microphone can be conveniently and conveniently changed, and the arc-shaped clamping plate is rotatably connected with the V-shaped clamp through the hinge seat. The arc-shaped clamping plate can rotate conveniently to be attached to the microphone, the straight-cylinder-shaped microphone and the conical-cylinder-shaped microphone can be clamped conveniently, and the microphone is prevented from loosening.
Owner:ENPING FUJIAYU HARDWARE PRODUCTS CO LTD
Touch screen assembly
ActiveCN224054566UDigital data processing detailsCasings/cabinets/drawers detailsTouchscreenScrew joint
The utility model discloses a touch screen assembly which comprises an outer frame, a touch screen is fixedly installed in the outer frame, a pressing frame covers the surface of the outer frame, meanwhile, the touch screen is fixedly connected in the outer frame through the pressing frame, a flat cable is arranged at the end of the touch screen, a penetrating hole is formed in the end of the outer frame, and a threaded connection hole is formed in the bottom of the pressing frame. Meanwhile, the screw joint holes are matched with fixing bolts in size, and the fixing bolts penetrate through penetrating holes formed in the outer frame and are fixed in the screw joint holes formed in the bottom of the pressing frame in a screw joint mode. According to the touch screen assembly, when the touch screen is detached and maintained, the fixing bolts are detached, the ends of the fixing bolts are separated from the interiors of the threaded connection holes, so that the pressing frame is detached from the surface of the outer frame, and the touch screen can be rapidly detached and fixed; and a traditional mode of fixing by using a buckle or dispensing is replaced, so that the outer frame cannot be scratched and damaged in the disassembly and assembly process.
Owner:ANHUI WEIDING ELECTRONIC TECHNOLOGY CO LTD
Leakage-proof pneumatic electromagnetic valve
The utility model relates to the technical field of pneumatic electromagnetic valves, in particular to a leakproof pneumatic electromagnetic valve, which comprises an electromagnetic valve body, the electromagnetic valve body is provided with a screwed joint, the leakproof pneumatic electromagnetic valve further comprises a sleeve arranged at the screwed joint, and a screwing ring is arranged on the sleeve and used for connecting a hose with the sleeve. The ring connecting part and the outer cylinder are screwed through rotation of the holding ring, the conical sleeve is continuously close to the middle vertical wall in the screwing process, and the inner diameter of the conical cylinder is gradually increased when the conical cylinder is close to the ring connecting part, so that the hose is continuously tightened to the outer wall of the inner cylinder in the moving process of the conical sleeve; therefore, the problem that the joint of the pneumatic electromagnetic valve and the external hose is prone to leakage is solved.
Owner:APPLIED TECH COLLEGE OF SOOCHOW UNIV
Freezing pipe anti-fracture device
The utility model discloses an anti-fracture device for a freezing pipe, belongs to the technical field of stratum freezing engineering, and solves the problem of frozen saline leakage caused by cracking of the existing freezing pipe in the construction process. The device comprises a freezing pipeline formed by threaded connection of a plurality of sections of freezing pipes, a protective cylinder is fixed on the outer wall of the freezing pipeline, and the outer wall of the protective cylinder is provided with threads used for being screwed into a stratum; a PVC backflow pipe used for backflow of frozen saline water is arranged in the freezing pipeline, and the space between the outer wall of the PVC backflow pipe and the inner wall of the freezing pipeline is filled with a lining. The protection barrel with the spiral threads is arranged outside the freezing pipe, so that the freezing pipe can be protected, and salt water leakage caused by cracking of joints of the freezing pipe is prevented. And the protective cylinder can be screwed into the stratum more easily through the spiral threads on the outer wall when the protective cylinder is blocked.
Owner:CHINA CONSTR FIRST GRP SOUTHCHINA CORP CO LTD GUANGDONG PROVINCE +1
A Chinese medicinal material seedling raising period mulching device
The utility model relates to a film covering device technical field, and disclose a traditional chinese medicinal material seedling period film covering device, including the fixed frame, the top fixed connection of fixed frame has the mounting bracket, the back of mounting bracket is fixedly connected with the rectangular plate, the inner surface movable sleeve joint of rectangular plate has the fine toothed screw rod, the bottom end of fine toothed screw rod penetrates rectangular plate and extends to the inside of rectangular plate and has the motion block of screw joint. The utility model discloses through setting up the slope, connecting rod, fixed sleeve, telescopic link and mounting seat, when rotating fine toothed screw rod, will make the motion block under the spacing action of mounting bracket, carry out vertical downward movement to the movement of two slope, to make two connecting rods drive two telescopic links and two mounting seats under the spacing action of fixed sleeve, carry out horizontal opposite movement, finally realize the function of adjusting two mounting seat interval, convenient operating personnel installs the film covering roller of different size to adapt complex seedling mode.
Owner:XINJIANG TIANJIAO ENVIRONMENTAL PROTECTION ENG CO LTD
PVC mine pipe drilling device
The utility model discloses a PVC mine pipe drilling device relates to mine PVC pipe drilling technical field, the utility model discloses a U -shaped frame, the both sides of U -shaped frame are provided with pipeline fixed establishment, and the lateral wall of U -shaped frame is opened with the accommodation hole, the fixed mounting of accommodating hole has the adjusting screw pipe, and the screw joint of adjusting screw pipe installs the adjusting screw rod, the one end of adjusting screw rod is provided with the poking mechanism, and the other end of adjusting screw rod is provided with drill bit link mechanism, drill bit link mechanism includes the connecting cylinder, one side fixed mounting of connecting cylinder is on adjusting screw rod, and the connecting cylinder is inserted and is installed with the connecting drill bit. The utility model discloses can adjust the size of drill bit according to the size of the drilling of need, and will two clamping arc -shaped board buckle on the pipeline not lock tightly, then removes U -shaped frame can drive the connecting drill bit adjustment alignment on the pipeline any position, then lock tightly clamping arc -shaped board again, thereby can realize drilling on the pipeline any position.
Owner:JIANGXI HONGMINGYUAN NEW MATERIALS CO LTD
Small electric folding magnesium alloy frame
The utility model belongs to the technical field of small -size electric mobile car, specifically is a small -size electric foldable magnesium alloy frame, including the frame, the frame is combined by front frame and rear frame, the front frame both sides are equipped with a plurality of pedal assembly mounting hole, be provided with front and rear frame rotating shaft on the frame, be equipped with a plurality of frame lock mounting hole on the front frame, the frame lock is fixed with frame lock mounting hole through bolt and screw joint, through design structure, the frame is integrally die casting by mould, all the sub -modules of chassis and seat module can be assembled well through the shunt pipeline first, then the mounting feature and mounting hole of the frame casting are total assembled on the assembly line. The overall assembly efficiency is high, and the management is convenient.
Owner:LAUNCH DESIGN INC LTD
Hexagonal cable protection tube with high compression resistance
ActiveCN223884901UCable installations in surface ductsCable installations in underground tubesScrew threadScrew joint
The utility model relates to the technical field of cable protection tubes, in particular to a hexagonal cable protection tube with strong compression resistance, which comprises tube bodies, a screw sleeve and a connecting sleeve are respectively embedded at two ends of each tube body, a connecting tube head is integrally formed at one end of each connecting sleeve and is matched with the screw sleeve, and when the two tube bodies are connected end to end, the screw sleeve is connected with the connecting tube head. Notches are formed in the ends, connected with the pipe bodies in a screwed mode, of the screw sleeves and the connecting pipe heads, half studs are fixed in the notches, after the two pipe bodies are connected end to end, the half studs at the ends of the two pipe bodies are spliced into a stud, and the stud is sleeved with a nut in a screwed mode; the utility model has the beneficial effects that the screw sleeve and the connecting sleeve are respectively embedded at the two ends, and the end-to-end connection of the two pipe bodies is realized through threaded connection. The connecting mode is simple and easy to implement, and tight connection between the two pipe bodies can be ensured. In addition, the notch is formed in the end of the pipe body, the half stud is fixed, and then the nut is arranged in a sleeving mode for locking, so that the connecting structure is further reinforced, and potential safety hazards caused by loose connection are effectively avoided.
Owner:JINING YANZHOU HAORAN ELECTRICAL TECH CO LTD
Auxiliary injection device for peripheral nerve injury drug delivery
The invention belongs to the technical field of injection auxiliary fixing devices, and particularly relates to a peripheral nerve injury drug delivery auxiliary injection device which comprises a fixing seat, the fixing seat comprises a clamping plate, an adjusting belt is arranged on the clamping plate, an injection position is formed in one side of the clamping plate, and the clamping plate is connected with a bearing table through a connecting plate; a palm groove and a thumb groove are formed in the bearing table, a bearing groove is formed in the top of the bearing table, an adjusting table is installed in the bearing groove, a bearing frame is installed in the adjusting table, an assembly fixing groove is formed in the bearing frame, and a screw joint ring is installed in the assembly fixing groove. The invention aims to provide the auxiliary injection device for peripheral nerve injury drug delivery, the problems that existing manual injection is inaccurate in positioning, poor in stability and inconvenient to operate are solved, accurate alignment of injection positions, stable fixation of limbs of a patient and flexible adjustment of injection angles and heights are achieved, the operation intensity of medical staff is reduced, and the operation efficiency is improved. The drug delivery effect is improved.
Owner:YUNNAN UNIV
Quantitative feeding device for insecticide production
The utility model relates to the related field of insecticide manufacturing technology, in particular to a quantitative feeding device for insecticide manufacturing, which comprises a feeding hopper, a classification component and an adjusting component, the classification component comprises a three-way valve, a piston meter and a screw conveyer, the upper end of the three-way valve is connected with the feeding hopper, and the two sides of the three-way valve are connected with a first guide pipe and a second guide pipe; the piston meter is communicated with the first guide pipe, the second guide pipe is connected with the spiral conveyor, the spiral conveyor is provided with a weighing hopper, the adjusting assembly comprises a first connector and a corrugated pipe, the first connector is fixed to the discharging port, the outer side of the first connector is in threaded connection with a first sleeve, and a second sleeve is fixed to the outer side of the first sleeve; the quantitative feeding requirements of different types of materials can be met by flexibly switching material conveying paths, the adaptability of equipment to various materials is improved, the discharging direction and length can be flexibly adjusted, and butt joint with subsequent machining equipment of different specifications is facilitated.
Owner:JIANGSU BAILING AGROCHEMICAL CO LTD
Wall-hung type disinfection cabinet supporting structure
The utility model discloses a wall-hung type disinfection cabinet supporting structure which comprises a cabinet body, a cabinet door is hinged to the top of one side of the cabinet body, a supporting frame is in threaded connection with the bottom of one end of the cabinet door through a bolt, the cabinet door is hinged to the cabinet body through a hinge piece, the hinge piece comprises two linkage rods and two connecting rods, one end of each linkage rod is connected with a first rotating disc, and the other end of each linkage rod is connected with a second rotating disc. One end of the connecting rod is connected with a second rotating disc, a plurality of second convex points are annularly arranged on the surface of the first rotating disc, a plurality of first convex points are annularly arranged on the surface of the second rotating disc, and by means of the clamping design of the second convex points and the first convex points, stress can be evenly dispersed through clamping of the second convex points and the first convex points in the frequent opening and closing process; and after the cabinet door is opened, second convex points on the surface of the first rotating disc can be clamped into overlapping grooves between two groups of adjacent first convex points on the surface of the second rotating disc, so that the first rotating disc and the second rotating disc can be kept in a clamped state, and the situation that the cabinet door is accidentally closed when shaking is avoided.
Owner:FOSHAN SHUNDE SMARTER ELECTRIC APPLIANCE MFG CO LTD