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2139results about "Screw threaded joints" patented technology
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Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member
Fire protection systems and methods having piping interconnections for connecting a fire protection device to a fluid source. The piping interconnections include a branch connector connected to a pipe header. The branch connector includes a tubular member and an internal annular seal member housed in an internal gasket chamber of the tubular member. The tubular member includes an internal stepless surface between a terminal end of the tubular member and the internal gasket chamber.
Owner:MINIMAX VIKING PATENT MANAGEMENT GMBH
High temperature remotely connected / disconnected pipe connector for molten salt reactors
A pipe connector for use in high temperature environments, such as those characteristics of molten salt reactors. The pipe connector can be used in any industry that uses pipe connectors, and in particular, can be used in a molten salt system including a reactor requiring a connection rated for a maximum of about 725° C. and about 15,000 psi. The pipe connector may comprise a pin, a seal ring, a retainer ring, a box, a locking nut, and a retaining nut.
Owner:ABILENE CHRISTIAN UNIV
Fire protection systems and methods using fire protection devices installed in pipe fittings with an internally housed seal member
Fire protection systems and methods having piping interconnections for connecting a fire protection device to a fluid source. The piping interconnections include a branch connector connected to a pipe header. The branch connector includes a tubular member and an internal annular seal member housed in an internal gasket chamber of the tubular member. The tubular member includes an internal stepless surface between a terminal end of the tubular member and the internal gasket chamber.
Owner:MINIMAX VIKING PATENT MANAGEMENT GMBH
Wall-penetrating sealing structure and method for cabinet and pipeline
The invention discloses a through-wall sealing structure and method for a cabinet and a pipeline in the technical field of liquid cooling radiators, and aims to solve the problems of poor sealing performance and high processing precision requirement of the through-wall sealing structure of the pipeline in the prior art. The method has the advantages that the precision requirement for part manufacturing is lowered, the manufacturing cost is reduced, sealing of a gap between the adapter and a cooling liquid pipeline and a gap between a pipe orifice surface and a first step is achieved by replacing a second sealing ring and a third sealing gasket which are different in size or thickness, and the sealing requirement for leakage prevention is met; even if the sealing of the second sealing ring and the third sealing gasket fails, the first sealing gasket based on the flange surface as the support can prevent the cooling liquid from seeping into the cabinet wall. The adapter is connected with the cabinet wall, the flange face serves as a support, and the cooling liquid pipeline is indirectly fixed to the cabinet wall through the flexible extrusion effect of the first sealing gasket, the second sealing ring and the third sealing gasket, so that stress deformation gaps are prevented, and sealing is ensured.
Owner:JIANGSU RUIKONG ELECTRIC TECHNOLOGY CO LTD
High-torsion-resistance sleeve air-tight seal screwed joint structure
The invention belongs to the field of petroleum industry, and discloses a high-torsion-resistance casing air-tight seal screwed joint structure which comprises a male end screwed joint and a female end screwed joint, and the male end screwed joint comprises male end threads, a male end inner sealing face, a male end outer sealing face, a male end inner circular bead and a male end outer circular bead. The female end screwed joint part comprises a female end thread, a female end inner sealing surface, a female end outer sealing surface, a female end inner circular bead and a female end outer circular bead; in the screwing process of the male end threaded connector and the female end threaded connector, the male end outer circular bead and the female end outer circular bead firstly make contact with each other and abut against each other, then bear torque and continue screwing, then the male end inner circular bead and the female end inner circular bead make contact with each other and abut against each other, screwing and screwing are finished, and a special thread form with high connection strength and excellent air-tight sealing capacity is formed. The over-torsion torque can be more than four times that of a common API connector, the connector is not damaged, and the air-tight sealing performance and the connecting performance can still be guaranteed.
Owner:TIANJIN STEEL PIPE MFG CO LTD
Threaded joint
A tubular threaded joint for use in the oil and gas industry is described. The tubular threaded joint includes a first tubular member having a pin and a second tubular member having a box, wherein the pin is an end portion of the first tubular member and comprises on its radially outward-facing surface a male threaded zone comprising a tapered male thread.
Owner:TENARIS CONNECTIONS BV
Sealing valve casting with anti-blocking structure
The invention relates to the technical field of sealing valves, and discloses a sealing valve casting with an anti-blocking structure, an anti-blocking mechanism used for filtering impurities in water flow is detachably mounted in a water inlet mechanism, and limiting mechanisms used for fixing the anti-blocking mechanism left and right are arranged on the two sides of the water inlet mechanism. The two sides of the upper end of the water inlet mechanism are provided with pressing and fixing mechanisms which are used for fixing the anti-blocking mechanism up and down and can slide, the pressing and fixing mechanisms are located above the limiting mechanism, the anti-blocking mechanism can be rapidly disassembled and assembled, water flowing through the interior of the water inlet pipe is filtered through a filter plate, and therefore the water inlet pipe is prevented from being blocked. Through cooperation of the limiting mechanism and the pressing and fixing mechanism, the insertion plate can be fixed in all directions, deformation of the insertion plate caused by water flow impact is prevented, the insertion plate is prevented from being jacked up, the sealing and filtering effects are improved, a blocking disc can be matched with an extension spring to block a guide groove, and the water leakage probability is reduced.
Owner:DAFENG CHAOYUE MASCH MFG CO LTD
Stainless steel bimetallic coupling
A conduit coupling assembly for joining together two metal conduits includes a first fitting having a first end opposite a second end, wherein the first end is threadably attached to the conduit, and a first washer attached to the second end of the first fitting, wherein the first washer is non-metallic. The coupling may further include a second fitting in abutment with the first washer, a nut surrounding the first fitting and the second fitting, and a second washer disposed between the nut and the second fitting, wherein the second washer is non-metallic.
Owner:CALPIPE IND LLC
Tunnel drainage pipe with falling protection structure
The utility model discloses a tunnel drainage pipe with a falling protection structure, which relates to the technical field of tunnel drainage pipes and comprises a pipe body and a protection component, the pipe body is of an integrally formed structure, and the protection component is arranged on the surface of the pipe body. The protection assembly comprises a stainless steel woven mesh, a hard alloy protection layer, an epoxy resin coating, a rubber cushion, a polyurethane protection sleeve and an elastic air bag ring. According to the tunnel drainage pipe with the falling protection structure, the overall structure can be reinforced by the device through the protection assembly, and the drainage pipe is protected through the protection structure during falling; through a clamping mounting groove, a clamping mounting ring, a threaded mounting ring, a threaded connecting groove, a main reinforcing ring, an auxiliary reinforcing ring and a reinforcing bolt, the device can achieve quick connection between drainage pipes through a connecting structure, the connecting sealing performance is high, the water leakage phenomenon is not prone to occurring, and therefore traffic accidents caused by road surface water accumulation are reduced, and the service life of the drainage pipes is prolonged. And the service life of the pavement is effectively prolonged.
Owner:ZHEJIANG JIAOTOU EXPRESSWAY CONSTR MANAGEMENT CO LTD
Anti-rotational pipe coupling
Apparatus and related method for coupling adjacent pipe lengths, for example, a drop pipe assembly that utilize an intermediate coupling member to prevent rotational disengagement of adjacent pipe lengths under the influence of rotational torque. The coupling member can comprise an internal key feature that physically engages a keyed end on at least one end of a length of pipe. The internal key feature can include key members located on each coupling end of the coupling member such that the key members engage corresponding keyed ends of adjacent lengths of pipe such that the coupling member prevents rotation of the adjacent pipe length relative to each other.
Owner:JOHNSON SCREENS INC
Composite thermal insulation pipeline
Owner:TIANJIN BINLONG GEOTHERMAL ENERGY CO LTD
Anti-freezing petrochemical engineering valve
The invention relates to the technical field of instrument valves, in particular to an anti-freezing petrochemical engineering valve. Connecting flanges are connected to the two ends of the valve body, closed rings are fixed to the two ends in the valve body, guide grooves are formed in the top ends and the bottom ends of the two ends in the valve body, conical pistons are slidably connected to the inner sides of the guide grooves, and the ends, away from each other, of the two conical pistons are slidably connected with the closed rings; a closing mechanism used for driving the conical piston and the closed ring to be separated or sealed is arranged on the inner side of the valve body. According to the anti-freezing petrochemical engineering valve, the closing mechanism is started to drive the conical piston to be in separation and sealing contact with the closed ring in the direction away from or close to each other, then petroleum in the valve body is effectively isolated or circulated, and the isolation and sealing effects of the petroleum are effectively improved through the arrangement of the conical piston and the closed ring; and through the arrangement of the two closed rings and the conical piston, the petroleum leakage condition is effectively prevented, and the practicability of the device is promoted.
Owner:JIANGSU EPICO FLUID EQUIP CO LTD
Reducing fastener having flexible sleeves for connecting a coated conduit to a fitting
A fastener for connecting a coated conduit to a fitting or to another coated conduit includes a bushing and polymeric material coating and surrounding an external surface of the bushing. The bushing includes internal and external threading The polymeric material includes a central portion coating at least the first end of the bushing, a first flexible sleeve extending from the central portion in a first direction and creating a cavity, and a second flexible sleeve extending from the central portion in a second direction, opposite the first direction. The external threading of the bushing is configured to be threaded into a fitting or conduit such that the first flexible sleeve fits over a circumference of the fitting or a coated conduit, and the internal threading of the bushing is configured to be threaded onto coated conduit such that the second flexible sleeve fits over a circumference of the coated conduit.
Owner:ROBROY IND -TEXAS LLC
RV waste management systems
A recreational vehicle waste delivery system with lengths of 3D cylindrical non-flexible tube and of 3D cylindrical flexible-tube, a first-coupler and, a second-coupler. The first coupler, the at least one flexible-tube, the second-coupler and the at least one flexible-tube in combination are able to be removably couplable modularly in series to provide an adjustable, modular waste management system for delivering waste from an rv to an in-ground sewer connection when engaged with a disposal fitting of the rv.
Owner:BENSON JEFFREY
Direct insertion type gas hose connector with gas leakage prevention structure
The utility model relates to the related technical field of gas connectors, and provides a direct insertion type gas hose connector with a gas leakage prevention structure. The direct insertion type gas hose connector comprises a connector body and a gas hose, the gas hose is arranged at one end of the connector body in a sleeving mode, and an outer sleeve layer is arranged outside the connector body; the pressing and sealing assembly is arranged between the connector body and the outer sleeve layer, the reinforcing and supporting assembly is arranged outside the outer sleeve layer, the pressing and sealing assembly comprises an outer thread layer, the outer thread layer is arranged outside the connector body, an outer ring groove is formed in the surface of the connector body, and the outer sleeve layer is connected to the outer thread layer in a screwed mode through threads. By means of the technical scheme, the technical problems that in the prior art, due to movement of equipment and vibration of a pipeline, a connector is loosened, the sealing effect is greatly reduced, due to temperature change, a hose and a connector material are shrunk or expanded, and a sealing structure is damaged are solved.
Owner:YONGQING PETROCHINA KUNLUN GAS CO LTD
Circulating circuit member, and manufacturing method for circulating circuit member
A circulating circuit member 1 forms a part of a circulating circuit through which a fluid flows. The circulating circuit member 1 includes a pipe 4; a to-be attached member that has a sleeve portion 3 made of synthetic resin to which the pipe 4 is rotationally connected; and a pin 6 that is inserted from the sleeve portion 3 to the pipe 4, in which a pin insertion hole 5 of the sleeve portion 3 through which the pin 6 is inserted is formed by a mold that is pulled out from an inside of the sleeve portion 3.
Owner:NIPPON THERMOSTAT CO LTD
Leak-proof automobile oil pipe joint
The utility model provides a leakproof automobile oil pipe joint, which belongs to the technical field of automobile oil pipe joints and comprises an oil inlet elbow, a connector and an oil outlet pipe, external threads are arranged at the right end of the outer surface of the oil inlet elbow and the left end of the outer surface of the oil outlet pipe, and internal threads are arranged on the left side and the right side of the interior of the connector. The oil inlet elbow and the oil outlet pipe are respectively in threaded connection with the left and right sides of the connector; by arranging the sealing rings, when the oil inlet elbow is connected with the oil outlet pipe, the two sealing rings are embedded into the left end and the right end of the interior of the connector respectively, and the sealing rings are fixedly arranged on the left side and the right side of the interior of the connector through fixing glue; and then the oil inlet elbow and the oil outlet pipe are in threaded connection with the internal threads on the left side and the right side of the connector through the external threads correspondingly, the oil inlet elbow and the oil outlet pipe abut against the sealing rings correspondingly, the sealing effect is achieved, the sealing performance of the connecting position is guaranteed, and the oil leakage preventing effect is achieved.
Owner:QINGDAO HAIDEYU PRECISION TECH CO LTD
Connecting element
Owner:MICOSYSTEM SRL
Threaded connection for pipe
A threaded connection for pipe in which the axial distance between the box intermediate shoulder surface and the box end shoulder surface of the box before make-up, LB, is larger than the axial distance between the pin intermediate shoulder surface and the pin end shoulder surface of the pin before make-up, LP, such that, upon completion of make-up, the pin and box intermediate shoulder surfaces and are in contact and function as torque shoulders, while the pin and box end shoulder surfaces are in light (or no) contact. The difference between the axial distances, (LB−LP), is such that, when the pin and box are made up and upon application of an axial compressive load, the pin and box are slightly axially compressed by the compressive load and the pin end shoulder surface comes into pressure contact with the box end shoulder surface to bear part of the compressive load.
Owner:NIPPON STEEL CORPORATION +1
Manufacturing method for pipe threaded joints
To adjust misalignment of tubes joined together in the peripheral direction more accurately than conventionally.SOLUTION: A method for manufacturing a tube screw joint comprises: a step (step S1) of forming a box at one end of a first element tube having a first marking added to the outer peripheral surface; a step (step S3) of disposing a second element tube having a second marking added to the outer peripheral surface in a first lathe so as to set the second marking at a prescribed pin machining initial position and to form a trial pin on one end of the second element tube; a step (step S4) of fastening the box and a trial pin together to measure a misaligning amount α; and a step (step S5) of disposing a third element tube having a third marking added to the outer peripheral surface in the first lathe so as to set the third marking at the pin machining initial position, and forming a pin at one end of the third element tube by using a program having the rotation angle of the element tube offset by the misaligning amount α with respect to a program used for machining the trial pin.SELECTED DRAWING: Figure 3
Owner:NIPPON STEEL CORPORATION
Protective mechanism for gas outlet pipe
ActiveCN222669693UImprove practicalityImprove universalityPipe elementsPipeline systemsAnnular arrayMechanics
The utility model discloses a gas out-of-ground pipe protection mechanism, and particularly relates to the technical field of gas out-of-ground pipe protection, the gas out-of-ground pipe protection mechanism comprises a first gas conveying pipe, the left end of the outer surface of the first gas conveying pipe is fixedly connected with a connecting mechanism, and the left part of the outer surface of the first gas conveying pipe and the right side of the outer part of a matching part are jointly sleeved with a monitoring mechanism; and bearing mechanisms are fixedly connected to the outer surface of the first gas conveying pipe and the outer portion of the matching part, and a plurality of buffering mechanisms are fixedly connected to the outer portions of the two bearing mechanisms in an annular array mode. According to the protection mechanism for the fuel gas out-of-ground pipe, the first gas conveying pipe and the second gas conveying pipe can be connected through the connecting mechanism, and whether fuel gas leaks at the joint of the first gas conveying pipe and a matched part or not can be monitored under the action of the monitoring mechanism; and by means of the buffering mechanism and the first protection mechanism, the external collision force can be buffered and absorbed, and the practicability and universality of the device are improved.
Owner:新乡县欣鹏燃气有限公司
Combinable multi-way valve adopting double-valve-element structure
PendingCN121162716AOperating means/releasing devices for valvesMultiple way valvesIsolation valveHeat management
The invention discloses a combinable multi-way valve adopting a double-valve-element structure, and relates to the technical field of new energy automobile heat pump heat management systems, the combinable multi-way valve comprises a valve body, a first valve element, a second valve element, a valve element driving unit and a plurality of water pipe connectors; according to the combinable multi-way valve adopting the double-valve-element structure, the two independent valve cavities are formed in the single valve body, and the first valve element and the second valve element which are controlled by the valve element driving unit through a synchronous and asynchronous gear system are arranged; through cooperation of a middle sealing ring used for isolating a valve cavity and a connector sealing ring used for guaranteeing external sealing, cooperative and non-cooperative accurate rotation control over the two cylindrical valve elements can be achieved through a single motor driving system, and therefore the purpose that the two cylindrical valve elements can be accurately rotated and controlled on the premise that reliable sealing and independent action of the valve elements are guaranteed is achieved. The complexity of a mechanical structure and an electric control system controlled by multiple channels is remarkably simplified, and a solid structural foundation is laid for further realizing multifunctional integration.
Owner:SUZHOU FURISHITONG AUTOMOBILE TECHNOLOGY CO LTD
Universal storage security implement for cannabis containers
A universal security implement for cannabis containers includes a security mechanism interface, a rim, and an immobilization implement. A user of the universal security implement for cannabis containers can fully secure a container by situating the universal security implement onto or into the container such that the immobilization implement fully precludes movement relative to the container. Moreover, the universal security implement's user may manipulate a security mechanism, such as a child-resistant cap, such that the security mechanism and the security mechanism interface interact to fully close and secure the contents within the container.
Owner:PAPER TUBE LLC
Threaded Tubular Fittings
A tubular coupling (1) including a first tubular part (2) and a second tubular part (3), each tubular part (2, 3) having a thread (8) and a sealing surface (9, 7, 13, 15), the thread (8, 14) having a varying thread width, the threads (8, 14) interlocking in an assembled state of the tubular coupling (1), the sealing surfaces (7, 9, 13, 15) in sealing contact in the assembled state of the tubular coupling (1), the tubular coupling (1) having a reference mark (26) having an optimum relative position between the tubular parts (2, 3), the optimum relative position corresponding to a nominal optimum relative position with a correction applied, the correction being a function of a characteristic of one of the first tubular part (2) and the second tubular part (3) on which the reference mark is provided, and a target torque of the tubular coupling (1).
Owner:VALLOUREC MANNESMANN OIL & GAS FRANCE +1
Air inlet device of positive pressure type explosion-proof power distribution cabinet
The invention discloses an air inlet device of a positive pressure type explosion-proof power distribution cabinet, which is characterized in that a pressure reducing valve, a reversing electromagnetic valve and a positive pressure air supply speed regulating valve are all mounted on a cabinet body, and a speed reducing valve is positioned outside the cabinet body; the reversing solenoid valve and the positive pressure air supply speed regulating valve are positioned in the cabinet body; the manual ball valve is further mounted at an air inlet of the pressure reducing valve; the reversing electromagnetic valve is communicated with the pressure reducing valve through an air pipe assembly; and the reversing electromagnetic valve is communicated with the positive pressure air supply speed regulating valve through the air supply pipe. Through the application of the air inlet device of the positive pressure type explosion-proof power distribution cabinet, the pressure reducing valve, the reversing solenoid valve and the positive pressure air supply speed regulating valve are arranged on the cabinet body, so that the air inlet flow entering the cabinet body can be accurately regulated through the device, and the stability of the internal pressure of the positive pressure cabinet is ensured; and meanwhile, good sealing performance and durability are achieved.
Owner:WAROM TECHNOLOGY INCORPORATED COMPANY
Pipe joint, manufacturing method of pipe joint and using method of pipe joint
The invention discloses a pipe joint, a manufacturing method of the pipe joint and a using method of the pipe joint, and relates to the technical field of fluid equipment. The pipe joint comprises a pipe joint main body, a temperature conducting rod and a fiber bragg grating, the pipe joint main body is provided with a fluid channel capable of circulating fluid and a mounting hole; the temperature conducting rod is mounted in the mounting hole; the temperature conducting rod is provided with a gap which is used for installing a fiber grating. The fiber bragg grating comprises a main fiber bragg grating and at least one auxiliary fiber bragg grating which are connected in series; the main fiber bragg grating is positioned at a gap recess at the communicating part of the temperature conducting rod and the fluid channel; the auxiliary fiber bragg grating is positioned near the main fiber bragg grating in the fiber; the gap is opened towards the fluid channel, and the gap is filled with a temperature conducting material for fixing the fiber bragg grating and conducting fluid temperature so as to ensure that the main fiber bragg grating and the auxiliary fiber bragg grating are in the same temperature field and different pressure strain fields; and the time difference of fluid pressure signals reflected by different main fiber gratings is compared to detect the pulsation and propagation direction of fluid in the pipe joint main body.
Owner:WEIFANG JIATENG HYDRAULIC TECH CO LTD
Tube connectors and tubes with connectors
The present invention provides a tube connector and a tube with a connector that allow for precise alignment of the tip position of a medical tube when attaching it. [Solution] A tube connector 12 for connecting a medical tube 11 to a medical device, comprising a female member 21 into which the medical tube 11 is inserted, a male member 22 that screws into the female member 21, and a packing 23 that is housed in the female member 21 and deforms as the male member 22 screws into the female member 21, thereby fixing the medical tube 11, wherein at least the male member 22 of the female member 21 and male member 22 is translucent.
Owner:HIRAKAWA HEWTECH
Single-channel rotary joint
Owner:ANSHAN BEIFANG ROTARY JOINT MANUFACTURING CO LTD
Equipment fixer
The present invention relates to a fuel tank (Y) that contains fuel, at least one fluid (A) carried in the fuel tank (Y) by the manufacturer, at least one body (2) that is located inside or outside the fuel tank (Y) and allows fluid (A) to be carried through the openings therein, an adapter (3) having threads on its inner wall, an equipment (4) having threads on its outer wall, carrying fluid (A) and being removably mounted to the adapter (3) by means of threads, a part (5) having one end mounted to the body (2) and the other end to the adapter (3), thus allowing the adapter (3) to be mounted to the body (2), at least one gasket (6) having a cross-sectional area predetermined by the user, extending all around and providing sealing, and an interface (510) that has a cylindrical form and is located on the part (5) and through which the fluid (A) passes (FIG. 1, FIG. 4, FIG. 5).
Owner:TUSAS TURK HAVACILIK VE UZAY SANAYII ANONIM SIRKETI
Faucet with novel valve core pipe
The utility model relates to the technical field of faucets, and provides a faucet which is low in production cost and provided with a novel valve element pipe, the faucet comprises the valve element pipe, the valve element pipe comprises a water inlet pipe, a water outlet pipe and a valve seat arranged between the water inlet pipe and the water outlet pipe, and a valve element installation sleeve is detachably arranged on the valve seat. And a positioning device for positioning the valve core is arranged on the valve core mounting sleeve.
Owner:QUANZHOU YOUYUNIKA KITCHEN & BATHROOM CO LTD