2362results about "Pipe connection arrangements" patented technology

A polymer pipe has a length between a first end and a second end. The length and the first end have a first diameter and the second end is a belled end having a second diameter larger than the first diameter. An insert device is received within the second end and has an annular body and a spline groove formed in the annular body and facing radially inward. The insert device is pre-installed in the belled end during the belling process.

A connection system for reinforced thermoplastic polymer (RTP) pipe includes a first pipe with a first end and a reinforced thermoset resin (RTR) coupler positioned adjacent to the first end of the first pipe. The RTR coupler has an annular body with a first socket extension extending into the first end of the first pipe and a first thermoplastic tie layer provided between the first socket extension and the first end of the first pipe. A first set of wedges is positioned around an outer surface of the first end of the first pipe, and a first flange is fitted around the first set of wedges, wherein the first set of wedges is wedged between the first end and the first flange.

There is provided a fluorine-containing copolymer comprising tetrafluoroethylene unit, hexafluoropropylene unit and perfluoro(propyl vinyl ether) unit, wherein the copolymer has a content of hexafluoropropylene unit of 9.4 to 10.7% by mass with respect to the whole of the monomer units, a content of perfluoro(propyl vinyl ether) unit of 0.5 to 1.7% by mass with respect to the whole of the monomer units, and a melt flow rate at 372° C. of 13.0 to 18.0 g / 10 min.

A fiber reinforced laminate pipe joint can include a first pipe, a second pipe, where the first pipe and the second pipe can be fiber reinforced laminate pipes, and a pipe joint insert. The pipe joint insert can be partially inserted inside the first pipe and can be partially inserted inside the second pipe. The pipe joint insert can be bonded to the first pipe and the second pipe, where the pipe joint insert can include a fiber reinforced laminate, where a bonding agent in the fiber reinforced laminate of the pipe joint insert can be distinct from a bonding agent used to bond the pipe joint insert to the first pipe.

The glass fiber reinforced plastic pipeline comprises a water inlet pipe and a smashing mechanism, a connecting sleeve is installed at the lower end of the water inlet pipe in a threaded mode, a water outlet pipe is installed at the right end of the connecting sleeve in a threaded mode, and flange plates are fixedly installed at the tail ends of the water inlet pipe and the water outlet pipe. And the detection mechanism comprises a sealing sleeve, an overflow hole and a humidity sensor, the overflow hole is formed in the inner side face of the sealing sleeve, the humidity sensor is installed in the sealing sleeve, the output end of the motor is connected with a smashing roller, and blades are installed on the surface of the smashing roller. According to the glass fiber reinforced plastic pipeline capable of being smashed and preventing blockage, the smashing mechanism is arranged to smash large impurities mixed in sewage, the glass fiber reinforced plastic pipeline is prevented from being blocked, the detection mechanism is arranged to detect the sealing performance of the glass fiber reinforced plastic pipeline and the connecting sleeve in time, timely overhaul is facilitated, and the filtering mechanism is arranged to filter the impurities and collect and clean the impurities conveniently; and the anti-backflow mechanism can prevent the sewage from flowing back.

Integrated junction system for tubular fluid distribution elements including a tubular element which has, at a first end an enlarged cup shape whose base determines the formation of an annular shoulder inside the tubular element, a ring with a suitably shaped section, which is associated with a second end of the tubular element equipped with a truncated conical or other conveniently shaped protrusion, which abuts on the edge of this second end and with a radial appendix which is associated with the radial end of the tubular element, wherein the system in order to join two tubular elements of the same type, provides that the second end of the tubular element equipped with the ring is inserted into the first end having an enlarged cup shape of the second tubular element until the protrusion of the ring comes into contact with the annular shoulder formed inside the tubular element.

Disclosed are chromatography systems employing a releasable coupling 100 for holding a fluid tubing to a spigot, the coupling comprising: a cylindrical inner component 110 for accepting a fluid tubing 30, said inner component including a resiliently deflectable portion 118 arranged to urge an outer surface of the tubing toward a spigot; and a cylindrical collar 130 having and internal through-aperture 132 for slideably accepting the inner component, the aperture and resilient portion having complementary surface formations which in a first position of the collar mounted to the inner component provide for said resilient deflection in use, and which in a second different position do not cause said deflection, the coupling being characterized in that the collar comprises a collar flange 134 extending outwardly away from the aperture of a size allowing manual manipulation of the collar between the first and second positions. Chromatography systems employing said couplings is disclosed also.

The utility model discloses an electric melting pipe fitting which comprises a pipe fitting main body, a melting layer, a heat conduction mechanism, a mounting ring and a blade strip, and a through hole is formed in the axial end of the pipe fitting main body; the melting layer is fixedly mounted on the inner wall of the pipe fitting main body; the heat conduction mechanism is arranged in the pipe fitting body and used for conducting heat to the melting layer. The mounting rings are fixedly mounted at the two axial ends of the pipe fitting main body; the blade strip is fixedly mounted on the radial inner wall of the mounting ring; the multiple blade strips are annularly and uniformly arranged in the axial direction of the mounting ring, and the cutting edge parts of the multiple blade strips face the outer side of the pipe fitting main body; the heat conduction mechanism comprises a resistance wire and a binding post, and the resistance wire is fixedly installed on the inner wall of the pipe fitting body and attached to the outer wall of the melting layer. The two binding posts are connected with the power input end and the power output end of the resistance wire correspondingly and extend out of the pipe fitting body. Through the cooperation of the structure, the melted melting layer is in contact with the outer wall of the pipe fitting to be connected with the scratches, the melting strength can be effectively enhanced, and the connecting quality is improved.

A method of heat welding a length of pipe with a coupling is disclosed. The coupling and the length of pipe are of a thermoplastic material. The method includes preparing a first end of the length of pipe; preparing a first groove of the coupling, wherein the first groove is configured to mechanically interface to an inner diameter (ID) and outer diameter (OD) of the length of pipe; heating the first and the first groove to a weldable temperature; joining the first end to the first groove; and permitting the first end and the first groove to cool sufficiently long to form a thermoplastic weld.

The invention relates to the technical field of pipe fitting connection, in particular to a plastic pipe fitting connecting structure which comprises a connecting mechanism used for connecting a first pipe fitting and a second pipe fitting, and annular threaded sections are arranged on the outer side of the first pipe fitting and the outer side of the second pipe fitting. According to the connecting mechanism, the threaded ring is in threaded connection with the pipe fitting; the locking piece is adopted for achieving mutual locking matching between the connecting piece and the fixing piece, the connecting reliability of the connecting piece and the fixing piece is improved, the pressing piece and the locking piece are matched to extrude the sealing gasket, the better sealing effect is achieved, the fixing piece is precisely limited through the limiting piece, and the sealing effect is improved. Meanwhile, the connecting stability of the two sets of connecting pieces is improved through mutual locking between the two semicircular hoop plates of the auxiliary piece, the overall stability of the connecting mechanism is synchronously improved, and the two pipe fittings are firmly and tightly connected together step by step under multi-stage mutual matching of the connecting pieces, the locking pieces, the fixing pieces, the locking pieces, the pressing pieces, the limiting pieces and the auxiliary piece.

The present invention relates to connector, in particular a connector suitable for securing to a breast pump element. A method of securing a tube portion to a breast pump element is also disclosed. The connector comprises: a tube portion with a first opening; and a securing member, mounted to the first opening, and configured to be engageable with a breast pump element having a fluid port so as to enclose the fluid port and form a fluid flow path between the first opening and the breast pump element. The securing member is configured to resiliently deform to be urged into a sealing abutment with the breast pump element when negative pressure is applied within the tube portion.

The disclosure relates to a pipe joint applicator with a control device and a method for producing a joint between a first pipe element and a second pipe element. The pipe joint applicator with a control device thereby detects actual process parameters via means for actual value detecting. The pipe joint applicator with a control device and the method determines therefrom the target process parameters for process control means for controlling the process parameters to be delivered to a pipe joint to be made. The pipe joint applicator with a control device optionally compares at least one actual value of the process parameters to at least one target process parameter and, in the event of deviation from at least one tolerance value range, issues an alarm to the user and / or generates an error protocol.

The invention relates to the technical field of bamboo winding composite material pipelines, and discloses a bionic bamboo joint connector of a bamboo winding pressure pipeline and a processing technology of the bionic bamboo joint connector, the bionic bamboo joint connector is arranged at the connecting part of two sections of axially aligned bamboo winding pipelines, and the bionic bamboo joint connector sequentially comprises an inner lining layer and an outer lining layer from inside to outside, the embedded steel bar reinforcing layer consists of a reinforcing material and embedded steel bar glue; the film covering restraint layer is composed of fiber reinforced cloth and impregnating resin; the socket fastening layer is composed of a metal fastening piece which is connected with the two pipes in a bridging mode. A protective layer is poured, and the whole connector is wrapped with polymer modified cement mortar; the invention further provides a processing technology of the bionic bamboo joint connector. The processing technology comprises the following six steps of pretreatment, lining welding, embedded steel bar reinforcement, film covering constraint, socket fastening and pouring protection. Through the composite structure of crossed truss type embedded steel bars, polymer modified mortar pouring and socket fastening, the connector obtains high connection strength, excellent anti-drawing performance and long-term durability.

The utility model discloses a plastic pipeline convenient to splice, which comprises a first pipeline, the other end of the first pipeline is correspondingly provided with a second pipeline, one end of the first pipeline is fixedly connected with a connecting pipe, the outer ring of the connecting pipe corresponds to the inner ring of the second pipeline, one end of the first pipeline is fixedly connected with a first connecting piece, and the other end of the first pipeline is fixedly connected with a second connecting piece. A first connecting piece is fixedly connected to one end of the first pipeline, a second connecting piece is fixedly connected to one end of the second pipeline, the first connecting piece corresponds to the second connecting piece, and second mounting blocks are fixedly connected to the upper end and the lower end of the first connecting piece. And the first mounting blocks, the second mounting blocks, the limiting blocks, the limiting grooves, the positioning blocks and the positioning grooves are arranged on the first connecting piece and the second connecting piece, so that the two pipelines can be quickly spliced and mounted, and the convenience and practicability of the two plastic pipelines during splicing are improved.

The utility model relates to the technical field of plastic valves, in particular to a pipeline connecting structure. Comprising a valve body connecting pipe part, a connecting pipe and a ball-in nut, thread pairs matched with each other are arranged between the valve body connecting pipe part and the ball-in nut so that the ball-in nut can be screwed on the valve body connecting pipe part, the ball-in nut is used for making the valve body connecting pipe part abut against the contact face of the connecting pipe, a ball-in is assembled on the inner side of the connecting pipe, and the ball-in nut can be screwed on the ball-in nut. One side of the inlet ball abuts against the outer circumferential face of the valve body pipe connecting part to form a first sealing structure, the other side of the inlet ball is tightly matched with the inner side face of the connecting pipe to form a second sealing structure, the pipeline connecting structure further comprises an anti-rotation sleeve, and the anti-rotation sleeve is used for locking the valve body pipe connecting part and the inlet ball nut. The utility model provides a pipeline connecting structure which prevents fluid leakage and ensures reliability and safety in the using process.

The utility model discloses a composite pipeline which comprises a plurality of sections of composite pipe bodies and connecting pieces for fixedly connecting every two adjacent sections of composite pipe bodies, and the composite pipe bodies are made of glass fiber reinforced composite materials. The composite pipeline can be used for compressed air energy storage, through the structural design, connection of the composite pipeline can guarantee the strength and sealing performance of the composite pipeline, and the connection efficiency can be improved.

The utility model belongs to the technical field of municipal pipeline maintenance and relates to a municipal pipeline maintenance device which comprises a first connecting pipe and a second connecting pipe, the outer side wall of the right end of the first connecting pipe is in threaded connection with an adapting pipe, and an inserting pipe is fixedly arranged on the right side wall of the adapting pipe. An annular inserting groove matched with the inserting pipe in an inserted mode is formed in the left side wall of the second connecting pipe, and a first sealing ring is arranged in the annular inserting groove. When the maintenance device is used, the left end of a first connecting pipe and the right end of a new HDPE pipe can be subjected to hot melting welding, the left end of the new HDPE pipe and a cutting opening of a left pipeline are subjected to hot melting welding, the right end of a second connecting pipe and a cutting opening of a right pipeline are subjected to hot melting welding, and an adapting pipe is connected between the right end of the first connecting pipe and the left end of the second connecting pipe; when the new HDPE pipe and the left pipeline are subjected to hot-melt welding and the second connecting pipe and the right pipeline are subjected to hot-melt welding, the new HDPE pipe and the second connecting pipe can be moved in the axial direction, hot-melt butt joint extrusion force at a left pipeline cutting opening and a right pipeline cutting opening can be ensured, and the structural strength of the hot-melt welding position can be ensured.

The utility model discloses an electric hot melting sleeve for a pipeline interface, which relates to the technical field of electric hot melting sleeves and comprises a pipe body and a filling port. Pole piece mounting grooves are formed in the left side and the right side of the pipe body, hot melting electrode plates are inserted into the pole piece mounting grooves, fixing bases are fixed to the left side and the right side of the top face of the pipe body, the top faces of the hot melting electrode plates are connected with the bottom ends of electric connectors, and the electric connectors are located in the fixing bases; an identification column is mounted on the inner side of the top surface of the hot melting electrode plate and is in sliding connection with a through groove in one side of the top surface of the pipe body, and a material injection opening is formed in the middle of the top surface of the pipe body; the pipeline connector electric hot melting sleeve further comprises a limiting baffle and a pipeline connector electric hot melting sleeve, a proper foaming material is injected into a pipe body through a material injection opening, the influence of external temperature on a pipeline can be effectively prevented through cooperation of heat preservation cotton and a protection sleeve, and the electric connector is connected with the output end of an external welding machine; and therefore, the two sides of the pipe body are melted to be fixedly adhered to the outer side of the pipeline.

The utility model discloses a quick mounting structure for a plastic pipe. The quick mounting structure comprises a first pipe body and a second pipe body, a connecting assembly is arranged between the first pipe body and the second pipe body and comprises a connecting sleeve fixedly connected with the end of the first pipe body, and the connecting assembly further comprises a butt joint sleeve fixedly connected with the end of the second pipe body. Wherein discs are fixedly connected to the interior of the connecting sleeve and the side, close to the connecting sleeve, of the butt joint sleeve, and barbs and trapezoidal strips are symmetrically and fixedly connected to the exteriors of the discs; limiting assemblies are symmetrically arranged on the outer portion of the butt joint sleeve. The barb penetrates through the neutral position and slides along the inclined faces of the trapezoidal strips, the barb can pull the two trapezoidal strips on the different sides to get close, then the two discs drive the sealing rings to get close and extrude, the two plastic pipes are in rapid butt joint, the sealing rings extruded mutually can prevent fluid from seeping out, and the sealing performance of the device is ensured.

A fitting nut made of a resin material includes: a hollow, large-diameter tube portion having a female thread formed on its inner peripheral wall; and a small-diameter tube portion that is continuous to the large-diameter tube portion and having a hollow cylindrical shape with a smaller diameter than the large-diameter tube portion. The small-diameter tube portion includes, in the outer peripheral wall thereof, a plurality of engagement grooves that are depressed inwardly in the diameter direction of the small-diameter tube portion and extend along the longitudinal direction that is orthogonal to the diameter direction.

The utility model relates to a vehicle hydrogen storage bottle opening sealing structure, which comprises a plastic inner container, a bottle valve seat, a joint and a locking nut, the bottle valve seat is positioned at the bottle opening of the plastic inner container, the joint is tightly connected in the bottle opening of the plastic inner container through a sealing structure, and the sealing structure and the plastic inner container are sealed by pressing the joint downwards through the locking nut and extruding the sealing structure. The metal connector, the sealing ring and the bottle opening of the plastic inner container are extruded to achieve sealing, the plastic inner container adopts the injection molding technology, the cylinder valve seat serves as an embedded part, the shoulder of the cylinder valve seat is wrapped in the plastic inner container, the binding force of the cylinder valve seat and the plastic inner container in the long-term working process of the gas cylinder is guaranteed, separation is avoided, and the service life of the gas cylinder is prolonged. The cylinder valve seat, the connector and the locking nut are simple in structure and easy to machine, the cylinder valve seat is fixed through the fixing tool, sealing can be achieved by screwing the locking nut through a tool wrench, and installation is convenient.

The utility model discloses a pipe connecting device which comprises a first connector and a second connector, and the second connector is coaxially connected with the first connector in an inserted mode. The first connector and the second connector are each provided with an inserting pipe used for being connected with an external pipeline. A hot melting assembly is arranged on each inserting pipe, and meanwhile a sealing assembly and a hot melting assembly are further arranged in a connecting area of the first connector and the second connector; compared with the prior art, the quick hot melting connection of the inserting area can be achieved through the hot melting assembly, and the connection efficiency of the pipeline can be improved; meanwhile, compared with a traditional gluing mode, melting and mixing of materials of the pipeline and the connecting device are achieved through hot melting connection, the connecting strength between the connecting device and the external pipeline is improved as much as possible, and water seepage of the connector is prevented advantageously; and meanwhile, the end of the external pipeline is separated from water flow in an inner inserting connection mode, the isolation and protection effect on the end area is further improved, and water seepage is avoided.

The fluidic device (1) comprises a tubular end portion (9) of a first pipe (7), this portion (9) being essentially made from synthetic material and having at least one electrically conductive inner surface (25), as well as an outer surface (27), a connector (17), suitable for a second pipe (11), the connector (17) comprising an electrically conductive tubular insert (19), received in the end portion (9) of the first pipe (7) and in contact with at least part of the inner surface (25) thereof.

The invention relates to the technical field of sealing, in particular to a sealing structure, a gallium nitride production reaction furnace and a horizontal gallium nitride production system. The sealing structure comprises a main pipe body, a protective ring, a guide pipe, a piston, a pressure sensor, a gas detection sensor and a data center. An air inlet flange is arranged at the air inlet end of the main pipe body. An annular groove is formed in the inner ring wall of the additional protection ring, the additional protection ring is arranged on the air inlet flange in a sleeving mode, the sealing face of the air inlet flange is arranged corresponding to the annular groove, and sealing treatment is conducted between the additional protection ring and the air inlet flange. One end of the guide pipe is fixedly connected with the protective ring and communicated with the annular groove, and the guide pipe is arranged in the axial direction of the main pipe body. The piston is in sliding fit in the guide pipe. The side, away from the protective ring, of the piston is fixedly connected with a piston rod. The pressure sensor is used for detecting the air pressure in the annular groove, and the gas detection sensor is used for detecting whether corresponding gas exists in the annular groove or not. And the pressure sensor and the gas detection sensor are electrically connected with the data center. The sealing effect can be monitored in real time.

A conduit coupling device is provided for enabling a conduit coupling system and method. The conduit coupling device has two portions, a coupler and a cap, that adhere, respectively, to two separate conduits being coupled together. The coupler has a first tubular end and a second end that provides an arcuate cutout. The coupler provides a glue channel along the arcuate cutout. The inner surfaces of two ends engage outer surfaces of the two separate conduits, respectively. The cap is dimensioned and adapted to adhere to a portion of the outer surface of the second arcuate cutout conduit so as to provide a glue ridge there along. The glue ridge is dimensioned to be slidably received in the glue channel, thereby forming a locked engagement between the first and second conduits.