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1188 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 buckle structure of oil casing
The invention relates to the technical field of sleeve joint structures, and discloses an oil sleeve air-tight seal buckle structure which comprises two oil sleeve bodies and a joint pipe fitting, external threads are arranged on the outer sides of the connecting ends of the two oil sleeve bodies, and internal threads matched with the external threads are arranged on the inner sides of the two ends of the joint pipe fitting. After the opposite end faces of the two oil casing bodies abut against each other, the oil casing further comprises port clamping pieces detachably arranged at the two ends of the connector pipe fitting. According to the air-tight seal buckle structure of the oil sleeve, the port clamping pieces generate fastening force when being installed at the two ends of the connector pipe fitting, the end of the oil sleeve body is further fastened, and axial relative sliding between the oil sleeve body and the connector pipe fitting is limited. In the installation process of the port clamping piece, the load sharing piece is driven to move in the radial direction of the oil sleeve body and abut against the peripheral wall of the oil sleeve body, an auxiliary supporting structure is formed between the peripheral wall of the oil sleeve body and the inner wall of the connector pipe fitting, and stress concentration of threads on the oil sleeve body and the connector pipe fitting is reduced.
Owner:JIANGSU CHENGDE STEEL TUBE SHARE CO LTD
Method for predicting screwing-on torque of casing direct-connection screwed joint
PendingCN120781551ADesign optimisation/simulationSpecial data processing applicationsMechanical modelsControl theory
The invention belongs to the technical field of make-up torque calculation, and discloses a casing direct connection screwed joint make-up torque prediction method, through an empirical formula formed by fitting of a structural mechanical model and test data, the casing direct connection screwed joint make-up torque can be calculated directly by measuring steel pipe basic structure parameters, repeated tests are not needed, and the prediction accuracy is high. And the working efficiency is greatly improved. The prediction process only depends on basic structure parameters capable of being rapidly measured and is not limited by working conditions. A fitting formula comes from verification of a large amount of test data and theoretical models, and precision and universality are both considered; and multi-parameter factor comprehensive modeling is adopted, errors caused by a single factor are effectively eliminated, the accuracy of a prediction result is high, and the stability and reliability of torque prediction are improved. By reasonably predicting the screwing-on torque, the connection strength of the steel pipe is effectively guaranteed, and underground potential safety hazards caused by improper screwing or excessive screwing are avoided, so that the integrity of a shaft structure and the safety of construction operation are guaranteed.
Owner:CHENGDE YANBEI METALLURGY MATERIAL CO LTD +1
Novel stainless steel air pipe
ActiveCN223709818UMechanical apparatusLighting and heating apparatusClassical mechanicsSS - Stainless steel
The utility model relates to the technical field of air pipes, in particular to a novel stainless steel air pipe which comprises an air pipe body, a notch is formed in the bottom of the air pipe body, an assembling frame is inserted into the notch, a screw is fixed to the top end of the assembling frame and penetrates through a top plate of the air pipe body, and a nut is in threaded connection with the top end of the screw in a sleeved mode. A filter screen frame is installed in the assembling frame, and a filter screen plate is fixed to an inner ring opening of the filter screen frame. The novel stainless steel air pipe has the advantages that the assembling frame is connected with the air pipe body through the screws and the nuts, and rapid disassembly and assembly can be achieved without complex installation tools. Therefore, not only is the installation efficiency improved, but also the maintenance cost is reduced. Due to the fact that the splicing frame can be rapidly disassembled and assembled, when the filter screen needs to be cleaned or replaced, only the splicing frame needs to be pulled out of the air pipe body, and the whole air pipe system does not need to be disassembled.
Owner:YANGZHOU HENGCHANG MASCH CO LTD
Torque detection device for trapezoidal lead screw
ActiveCN223449482UMachine gearing/transmission testingApparatus for force/torque/work measurementScrew threadRotation control
The utility model discloses a torque detection device for a trapezoid lead screw, which comprises a workbench, a torque measuring head and lead screw fixing assemblies, the torque measuring head is movably connected with the workbench, and the lead screw fixing assemblies are movably arranged at the two ends of the workbench and are matched with the ends of the lead screw; relates to the technical field of lead screw torque detection. The fixed screw cylinder is fixedly connected with the mounting frame, the control screw cylinder is in threaded connection with the fixed screw cylinder, one end of the fixed seat is fixedly provided with the threaded chuck, one end of the control screw cylinder is fixedly connected with the control ring, the control ring is movably connected with the threaded chuck, and the control screw cylinder is in threaded connection with the threaded chuck. Therefore, after the end head of the trapezoidal lead screw is inserted into the threaded clamping head, the control screw barrel can be rotated and is in threaded connection with the threaded clamping head, so that the opening size of the threaded clamping head is controlled, the threaded clamping head is matched with the size of the end head of the lead screw, the end head of the lead screw is clamped, and the clamping effect is good.
Owner:SUZHOU IND PARK HOUJIANG TECHNOLOGY CO LTD
Single-walled carbon nanotube collecting device
The invention discloses a single-walled carbon nanotube collecting device, which relates to the related technical field of carbon nanotube preparation, is used for collecting single-walled carbon nanotubes entering a deposition area of a tubular reactor, and comprises a collecting net arranged in the deposition area of the tubular reactor, the sealing flange close to the deposition area of the tubular reactor is connected with the end part of the tubular reactor in a screw joint manner, the collecting net is mounted on the sealing flange, a sealing ring is mounted at the axial end part of the sealing flange, and a first abutting surface is arranged in the tubular reactor; in the stroke that the sealing flange is inserted into the tubular reactor and rotates, the end of the sealing flange is matched with the first abutting face to extrude the sealing ring to generate elastic deformation, and the sealing ring subjected to elastic deformation is attached to the collecting net.
Owner:FUJIAN ZHONGHE NEW MATERIAL CO LTD
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
External thread ferrule joint
The invention discloses an external thread clamping sleeve joint, and particularly relates to the technical field of pipe joints, the external thread clamping sleeve joint comprises a butt joint nut, a first clamping sleeve, a second clamping sleeve and a hollow rubber ring, the hollow rubber ring is arranged in a limiting groove, and a cavity in the hollow rubber ring is filled with sealant; the first flow guide grooves are formed in the peripheral side wall of the second clamping sleeve in an array mode and used for guiding the sealant into a concave cavity generated when the connecting pipe is extruded after the second clamping sleeve deforms; in the screwing process of the external thread connector, the external thread connector can extrude and break the hollow rubber ring, so that a gap between the butt joint nut and the external thread connector is sealed through sealant firstly, and when the external thread connector is screwed till the lowest point of the chamfer of the second clamping sleeve crosses the lowest point of the first flow guide groove, the sealing effect is achieved. And finally, the sealant enters the concave cavity generated by extruding the connecting pipe after the deformation of the second clamping sleeve from the first flow guide groove, so that the sealing between the external thread joint and the connecting pipe is realized.
Owner:ZHEJIANG FANGDUN INSTR VALVE 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
Socket for a tightening tool
Disclosed is a socket unit comprising a first body portion comprising a first rear end portion for connection to the output shaft of a power tool and a front end portion adapted for engagement with a screw joint and a second body portion comprising a second rear end portion for connection to the output shaft of the direct driven power tool or a second front end portion adapted for engagement with a screw joint. The second body portion is at least partly arranged in the first body portion, and a relative rotation between the first and second body portions is allowed, such that one of the first and second body portions may rotate over a predetermined allowable angular range when the other is in engagement with the screw joint. The present specification also relates to a corresponding method, power tool and computer readable storage medium.
Owner:ATLAS COPCO IND TECHNIQUE AB INTELLECTUAL PROPERTY DEPARTMENT
Basic flush type coupling-free gas seal oil sleeve joint assembly
The invention relates to the technical field of threaded connection of oil casings, in particular to a basically flush type coupling-free air-tight seal oil casing joint assembly which comprises an external thread joint and an internal thread joint, and after the external thread joint and the internal thread joint are screwed together, the external thread joint and the internal thread joint are screwed together. An outer metal sealing structure, an outer elastic sealing structure, meshing threads, an inner elastic sealing structure, an inner metal sealing structure, a torque shoulder and the like are sequentially formed. Through the cooperation of the external thread connector, the internal thread connector, the external metal sealing structure, the external elastic sealing structure, the meshing thread and the internal metal sealing structure, the connecting and sealing functions are provided, the connector is basically flush with the pipe body, the oil casing can enter a well easily, the well cementation gap is large, and the connector connecting efficiency can reach 65%-70%; and 2) the inner and outer seals are both metal / metal seal and elastic seal, and the double-seal structure greatly improves the sealing effect, and is suitable for ultra-deep wells and high-pressure natural gas wells with harsh conditions.
Owner:DAQING XIMU LAISI SHIYOU ZHUANYONG GUAN MFG 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
Large-capacity sterile enzyme-free buffer solution storage barrel
The utility model relates to the technical field of buffer solution storage containers, in particular to a large-capacity sterile enzyme-free buffer solution storage barrel which comprises a barrel body, the barrel body is cylindrical, a bottle opening is fixed at the upper end of the barrel body, a sealing cover is sleeved at the outer end of the bottle opening through threads, and a bottle opening filter sieve is arranged in the bottle opening in a covering mode. A liquid taking assembly is arranged at the inner concave position of the lower side of the outer end of the barrel body and comprises a liquid outlet valve and a liquid taking opening fixedly connected with the barrel body, a threaded connection sleeve is fixed to the rear end of the liquid outlet valve, and the threaded connection sleeve is connected to the outer end of the liquid taking opening in a sleeving mode through threads. According to the utility model, the bottle opening filter sieve is arranged in the bottle opening, when the sealing cover is opened, the entering air can be filtered, the external pollution can be prevented, the environment in the barrel can be always kept in a sterile and enzyme-free state, and the arranged liquid taking assembly can discharge a buffer solution in the barrel body by opening the liquid outlet valve, so that the liquid taking is more convenient.
Owner:SHENZHEN BIOCOMMA TECH
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
Discharging and cooling integrated mechanism for laser cutting machine
The discharging and cooling integrated mechanism comprises a laser cutting head, an adjusting pipe is arranged on one side of the laser cutting head, a water inlet groove, a water storage groove, an adjusting groove and a water outlet groove are formed in the adjusting pipe, a fixing frame is arranged at the position of the water inlet groove, and the upper end face of the fixing frame is fixedly connected with a forward and reverse motor. The output end of the forward and reverse motor is connected with a rotating shaft, the end, away from the forward and reverse motor, of the rotating shaft is fixedly connected with a connecting column, and through use of the forward and reverse motor, the rotating shaft drives the connecting rod to rotate, so that the connecting rod drives the screw rod to rotate, and the screw rod is in threaded connection with the lifting block; when the laser cutting machine works, the lifting device drives the positioning block, the adjusting rod and the adjusting block to lift, so that the position of the adjusting block in the adjusting groove is changed, the water outlet amount of the adjusting pipe is flexibly adjusted, a workpiece subjected to laser cutting can be rapidly cooled, the water outlet amount is rapidly adjusted, and water sources are saved.
Owner:BOZHOU JIEKONG INTELLIGENT EQUIP 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
Joint cold compress device
The utility model discloses a joint cold compress device which aims to solve the problems that in the prior art, a cold compress mode is complex to operate and inconvenient to use, ice water obtained after ice blocks are melted flows everywhere and needs to be cleaned when flowing to the ground, much inconvenience exists in the using process, the attaching effect of the joint cold compress device and the mixed skin is poor, cold energy is not uniform, and the cold compress effect is poor. The cold compress effect is not good, and the cold compress effect is affected. The cold compress device comprises a fluid bag, a storage bag is installed on the front face of the fluid bag, a silica gel lining is installed on the back face of the fluid bag, a communicating pipe is installed on the outer surface of the fluid bag in a penetrating mode, a threaded connector is installed at the top end of the communicating pipe, a threaded cap is arranged above the threaded connector, and a line pipe is installed on the outer surface of the fluid bag. And cold air in the cold compress device is prevented from overflowing and losing, external high temperature is prevented from being conducted into the cold compress device to accelerate ice lolly melting, the cold compress device is more sufficient in cold air, the cold compress duration is prolonged, and the cold compress effect is guaranteed.
Owner:HENGSHUI JINGDA PSYCHIATRIC HOSPITAL
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
Vertical hanger
The utility model discloses a vertical type suspension fitting which comprises a suspension fitting body. The height adjusting assembly comprises a height adjusting groove vertically extending in the height direction of the hanger body, two first supporting rings, a height adjusting bolt and a first height adjusting nut, and the height adjusting bolt sequentially penetrates through the two first supporting rings and is rotationally connected with the first supporting rings; the first height adjusting nut is sleeved on the height adjusting bolt to form screw joint; the clamping arm comprises two first sections which are oppositely arranged, a second section which is connected with the two first sections, and a hook which is formed on the second section; the two first sections are located on the two sides of the hanger body correspondingly and hinged to the hanger body correspondingly, and the two first sections are both located below the first height adjusting nut. Compared with the prior art, the vertical type suspension fitting is good in reliability, long in service life and high in safety.
Owner:FOSHAN SHUNDE WEIHUANG PRECISION HARDWARE PROD CO LTD
Slide valve vacuum pump convenient to maintain
ActiveCN223447236URotary/oscillating piston combinations for elastic fluidsRotary/oscillating piston pump componentsSpool valveTransmission belt
The utility model discloses a slide valve vacuum pump convenient to maintain, which belongs to the technical field of maintenance of slide valve vacuum pumps and comprises a base, a pump body and a motor. The pump further comprises a moving mechanism arranged below the motor and a protection mechanism arranged between the pump body and the motor. The moving mechanism comprises a sliding base, a connecting base slidably connected to the top of the sliding base, a threaded connector fixed to the top of the connecting base, a threaded rod rotationally connected to the outer wall of the connecting base and a rotary disc fixed to one end of the threaded rod, and the threaded connector is in threaded connection to the outer wall of the threaded rod. When a transmission belt between the pump body and the motor is disassembled, assembled, maintained and replaced, the motor can be stably close to or far away from the pump body through the moving mechanism, and when the belt between the motor and a belt pulley of the pump body is disassembled and assembled by an auxiliary person, the belt can be stretched and pulled more easily and conveniently without effort.
Owner:TAIZHOU XINYU VACUUM EQUIP MFG CO LTD
Quick pipeline connecting device with three-way elbow
The utility model discloses a pipeline quick connecting device with a three-way elbow, which belongs to the technical field of pipeline connection and comprises a pipeline and the three-way elbow connected with the pipeline, a joint and a lantern ring screwed outside the joint are arranged at the connecting end of the three-way elbow, a first thread is arranged on the outer wall of the joint, and a second thread is arranged on the outer wall of the lantern ring. The front end of the connector is provided with three segmented arc-shaped pieces, the rear end of the connector is of a pipeline-shaped structure, and segmented second threads are arranged in the lantern ring. According to the quick pipeline connecting device with the three-way elbow, the lantern ring is in threaded connection with the three-way connector, the three-section arc sheet type structure at the front end of the connector is used for wrapping a to-be-connected pipeline in the connector, and the to-be-connected pipeline and the connector are locked in cooperation with the lantern ring; meanwhile, sealing rings are arranged on the lantern ring and the connector, the sealing performance of the position of the connector is guaranteed, and leakage is avoided; meanwhile, a plurality of sealing rings are arranged, so that the friction at the joint can be increased, and the joint cannot be loosened.
Owner:HEBEI QUNPENG PIPE IND CO LTD