1814results about "Sleeve/socket joints" patented technology

The invention relates to the technical field of composite gaskets, in particular to an anti-deformation composite gasket for a new energy thermal management system, which comprises a metal gasket and a rubber body, the metal gasket is integrally in a circular ring shape and is divided into an outer circular ring body and an inner ring belt, and the inner ring belt is positioned on the inner ring of the metal gasket and is thinner than the outer circular ring body; more than three grooves which are uniformly and equally divided are formed in the circumference of the inner ring of the metal gasket, and the rubber body is vulcanized on the inner edge of the metal gasket, is higher than the outer circular ring body towards the two sides in the thickness direction and wraps the outer circular ring body. The design that the rubber body wraps the outer circular ring body guarantees that the rubber body and the metal gasket are tightly combined, the sealing effect of the composite gasket in an automobile air conditioner pipeline system is greatly improved through the improvements, air conditioner refrigerant leakage is prevented, meanwhile, vibration in the automobile running process is absorbed, and noise generated by vibration is reduced.

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.

The present invention provides a female connector for a subsea connector assembly, including at least one latching mechanism operably mounted within an opening through a tubular wall along a wall axis aligned downwardly and converging toward a central axis. The latching mechanism includes a latch member coupled to a distal end of the link member to form a latching coupling configured to allow relative movement in at least one first degree of freedom (DOF) between the latch member and the link member, an actuator configured to move the coupled latch and link member from a first position to a second position, and a biasing member configured to bias the latch member toward and engage the first position when moving between the first and second positions. The latch member is configured to release from the biasing member in the first position and move unbiased from the first position to a third position into the central passage.

A method of placing a pipe coupling on a pipe is described. The method includes providing a coupling band and a clamping flange that extends from each one of opposing ends of the coupling band, providing removable clamp tightening parts including a set of opposing clamping ears and a fastener assembly, and providing two choices: a first choice in which the removable clamp tightening parts are assembled to the coupling band and the clamping flange before placing the pipe coupling on the pipe, and then tightening the fastener assembly to tighten the pipe coupling around the pipe, and a second choice in which the coupling band and the clamping flange are first placed on the pipe without the removable clamp tightening parts being assembled to the coupling band and the clamping flange, and then afterwards assembling the removable clamp tightening parts to the coupling band and the clamping flange, and then tightening the fastener assembly to tighten the pipe coupling around the pipe.

The utility model discloses a petroleum transmission pipeline, and mainly relates to the technical field of transmission pipelines. Comprising two pipeline bodies and a butt joint structure, the section of each pipeline body is round, the butt joint structure is located at the ends, close to each other, of the two pipeline bodies, the butt joint structure comprises a connecting cylinder, the two ends of the connecting cylinder are attached to the ends, close to each other, of the two pipeline bodies correspondingly, and two sliding rings are slidably connected to the outer wall of the connecting cylinder; the sides, away from each other, of the two sliding rings are fixedly connected with top plates, the sections of the top plates are in a right trapezoid shape, the outer wall of the connecting cylinder is fixedly connected with a positioning rod, the section of the positioning rod is in a Z shape, and the arc face of the positioning rod is slidably connected with a positioning plate. The petroleum transmission pipeline butt joint device has the advantages that a worker can conveniently conduct butt joint or separation on petroleum transmission pipelines, the petroleum transmission pipelines can be adjusted to the proper length according to actual needs, and therefore the application range of the petroleum transmission pipelines is widened.

The invention relates to the field of pipeline connection, in particular to a squeezing and pushing sealed pipeline connection protection lining sliding sleeve which comprises a sliding sleeve body, a sealing unit and a movable squeezing and pushing unit. The sliding sleeve body is of a hollow circular ring body structure, coated with a sintered epoxy powder coating and composed of two end cylinders and a middle cylinder. The outer diameter of the end cylinder is larger than that of the middle cylinder. A heat insulation layer is arranged on the outer wall of the middle-section cylinder. And the sealing unit is sleeved on the middle-section cylinder. The movable squeezing and pushing unit is of a combined circular ring structure and is movably arranged on the middle section cylinder in a sleeving mode, and the sealing unit is squeezed and pushed to the circular bead face of the end cylinder through movement to seal the gap. The invention also comprises a processing and installing method. When the sliding sleeve is installed at the pipe end, the sealing ring can be kept not compressed or compressed slightly in the radial direction as much as possible. After the sliding sleeve is installed at the pipe inlet end, the sealing ring is expanded in the radial direction through axial squeezing and pushing, the compression rate is adjustable, the sealing ring can adapt to different pipelines, compression on the radial pipe wall is generated, and therefore the reliable sealing performance of the sliding sleeve is guaranteed.

The utility model discloses a leakproof sealing joint for an automobile air conditioner pipeline, which relates to the technical field of automobile air conditioner pipelines, and comprises a connector, a pipeline body is detachably sleeved on the surface of the connector, a sealing assembly is fixedly mounted on the surface of the connector, and the sealing assembly comprises a mounting sleeve. The mounting sleeve is fixedly arranged on the surface of the connector in a sleeving mode, the first sealing sleeve and the second sealing sleeve of the sealing assembly are opened, the pipeline body is arranged on the surface of the connector in a sleeving mode through the positioning strip for positioning, and after sleeving is completed, the first sealing sleeve and the second sealing sleeve are controlled to be closed to be arranged on the surface of the pipeline body in a sleeving mode. The pipeline body is positioned on the surface of the connector, and after positioning is completed, the first sealing sleeve and the second sealing sleeve are fixed under the cooperation of the fixing piece and the corresponding fixing buckle, so that the pipeline body is installed and fixed on the surface of the connector, and the sealing performance of the pipeline body after connection is improved.

A pipeline system includes a mechanical metal to metal connection that can provide a fluid tight seal. A pipe mandrel is employed to span the connection between bell ends on two pipes. The system includes at least one of: a) an elastomeric seal in an annular gland at an end of the mandrel; b) a stop ring encircling the mandrel and positioned between the belled ends; and c) wherein the teeth each have a radiused tip.

A compression fitting including a body portion defining a first end portion, and a grip ring assembly with a grip ring disposed within the first end portion, the grip ring being movable from a first axial position to a second axial position with respect to the longitudinal center axis of the first end portion, wherein the grip ring is disposed in the first axial position when the compression fitting is in a loosened configuration, and in the second axial position when the compression fitting is in the tightened.

The invention relates to the technical field of gas safety valves, and discloses a novel gas safety valve which comprises a pipeline, a safety valve body is arranged on one side of the top of the pipeline, a positioning ring is fixedly installed at one end of the pipeline, a filtering structure is slidably connected into the positioning ring, and a connecting ring is fixedly installed on the surface of the other end of the pipeline. Positioning plates are fixedly mounted at the four corners of the surface of the connecting ring, threaded grooves are formed in the middles of the surfaces of the positioning plates, positioning rods are in threaded connection with the interiors of the threaded grooves, a mounting frame is fixedly mounted in the middle of the top of the pipeline, and a plurality of pressure relief assemblies are arranged in the mounting frame. According to the pipeline, when the pipeline conveys gas, the filtering structure in the positioning ring can filter the gas, after the gas is filtered, the filtering structure can be conveniently disassembled and cleaned by personnel, the efficiency of filtering foreign matters in the gas is improved, the filtering structure can be recycled, and the replacement cost is saved.

The invention discloses a sound insulation and noise reduction water supply and drainage pipeline, and belongs to the technical field of water supply and drainage pipelines, the sound insulation and noise reduction water supply and drainage pipeline comprises a pipeline body and a connecting mechanism, the pipeline body comprises an outer pipe body, an inner pipe body, a supporting ring and a sealing ring, and an exhaust mechanism is arranged at the top of the outer pipe body and comprises an exhaust pipe, a sealing cover and a one-way valve; the two ends of the outer side of the outer pipe body are fixedly sleeved with fixing rings. The connecting mechanism comprises a front connecting base, a rear connecting base, a connecting frame, a fixing frame and a plug pin. The interlayer space between the inner pipe body and the outer pipe body is vacuumized and reliably sealed, the transmission path of sound in the structure is effectively cut off, outward transmission of noise generated by water flow in the pipe and vibration of the pipe is remarkably blocked in the vacuum state, and the overall sound insulation performance is greatly improved; the core measure is supplemented with the design of the supporting ring and the elastic sealing ring, vibration buffering is provided at a key connecting point, energy is absorbed and dissipated, and excellent environmental noise control is comprehensively achieved.

The application discloses a replacement joint with bidirectional interlocking, which comprises a joint body, a plurality of protrusions arranged on the jointing end of the joint body, and a plurality of recesses. When two replacement joints are jointed together, the protrusions of the opposite replacement joint are rotated and pushed to the slope, the slope is rotated and moved upward, the protrusions are also rotated and moved upward to the inclined rail, and the locking hook is rotated and moved downward. At this time, the locking hook does not interfere with the circumferential rotation track of the protrusions of the opposite joint, and the two replacement joints can also be twisted and loosened in the circumferential direction. When the valve core is driven to rotate and open by the handle, the driving protrusion is moved upward and rotated into the straight rail through the inclined rail, the locking hook hooks the opposite protrusion to limit the circumferential rotation of the opposite replacement joint, the movable locking buckle is circumferentially engaged with the protrusions of the opposite replacement joint, the circumferential rotation freedom of the replacement joint is effectively limited, and the two replacement joints are prevented from loosening.

The utility model relates to the technical field of hoop seats and clamps, and discloses a seamed welding hoop seat and clamp which comprise a plate body and an arch-shaped seat body which are integrally formed, and the plate body and the arch-shaped seat body define a cylindrical cavity for a hoop belt and a bolt to penetrate through; a welding seam deviating from the center line of the plate body is arranged on the plate body; the plate body is provided with a welding spot used for being connected with the strap and deviating from the welding seam. The hoop comprises a hoop belt, a fastener and the hoop base, the fastener comprises a bolt and a spring arranged on the bolt in a sleeving mode, the bolt comprises a meshing tooth end, a screw rod and a screwing end, a first gasket is integrally formed at the screwing end, and a second gasket arranged on the bolt in a sleeving mode is arranged between the spring and the hoop base. According to the scheme, the hoop seat gap deviates from the center line of the bottom, when the hoop seat and the hoop belt are subjected to spot welding, a welding spot cannot be overlapped with a hoop seat welding seam, so that the cracking risk caused by stress increase due to the fact that the welding seam is welded again is effectively reduced, and the use reliability of the hoop seat and the hoop is improved; and the cost of the whole hoop seat and the seamless welding hoop seat of the steel pipe can be greatly reduced.

A gripping assembly for a pipe fitting includes a substantially annular ramp defining a ramp void therethrough, the substantially annular ramp further defining an angled ramp surface angled radially inward relative to the ramp void; and a annular grip ring defining a ring void therethrough, the substantially annular grip ring further defining an inward gripper surface and an angled ring surface, the angled ring surface extending radially inward relative to ring void and contacting and slidable along the angled ramp surface of the substantially annular ramp; wherein the ramp void and the ring void are configured to receive a pipe end of a pipe therethrough, the substantially annular ramp is configured to bias the substantially annular grip ring radially inward towards the pipe, and the inward gripper surface is configured to grip an outer pipe surface of the pipe.

The utility model discloses an air conditioner pipeline connector, which relates to the technical field of pipeline connection, and comprises a central pipeline and a positioning pipe, the side end part of the central pipeline is fixedly provided with a pre-tightening ring, the side end part of the positioning pipe is fixedly provided with a clamping ring, and a positioning assembly is arranged on the surface of the positioning pipe. The positioning assembly comprises a fixing ring, two guide plates and folding plates, each guide plate and each folding plate are of a split structure, when each folding plate horizontally slides on the side end portion of the corresponding guide plate and swings towards one side through the corresponding deflection buckle, pulling force is generated on the pull rod connected with the folding plate, the pull rod rotates at the top end of the folding plate, pulling force is generated on the folding plates at the same time, and the folding plates are folded. The folding plate drives the friction block to move towards the pre-tightening ring, extrusion force is generated on the pre-tightening ring, connection of the central pipeline and the positioning pipe is further fastened, butt joint is tighter, certain vibration and pressure can be borne, the deflection buckle and the blocking shell are in butt joint and are extruded and fixed through the bolt, and the overall stability of the positioning assembly is improved.

A quick coupling system where a conduit can be pushed into the coupling to secure and seal the conduit with the coupling includes a gripping ring and a seal. The seal is located outboard of the gripping ring so that the gripping ring does not damage the outer surface of the conduit engaged by the seal. The coupling system also may include a wiper outboard of the seal to clean the outer surface of the conduit as the conduit is inserted into the coupling system.

The invention relates to the technical field of pipeline connection, in particular to a self-anchoring pipeline butt joint combined pipe fitting which comprises a first pipe fitting and a second pipe fitting, the first pipe fitting is provided with a first inserting opening, and the first inserting opening is provided with a first long sliding section and a second long sliding section; a first stop ring located between the first sliding long section and the second sliding long section is arranged on the outer wall of the first inserting opening. The second pipe fitting is provided with a first bellmouth connected with the first inserting opening in an inserted mode, a first self-anchoring bin, a first sliding bin, a partition part, a first sealing bin and a second sliding bin are sequentially arranged in the first bellmouth, and the partition part is used for the first sliding long section to enter the second sliding bin; a first self-anchoring piece is arranged in the self-anchoring bin and used for anchoring the first inserting opening and stopping the second sliding long section from moving into the second sliding bin. A first sealing piece connected with the second sliding long section in a sealed mode is arranged in the first sealing bin. According to the method, multi-section simultaneous construction of the whole-line self-anchoring connector can be achieved, and when foundation settlement is too large, the axial tension of the connector is reduced, and connector pulling-out or cracking is avoided.

A compression fitting includes a first fitting segment defining a first arcuate central section, a first retention rib extending radially inward from the first arcuate central section; a second fitting segment defining a second arcuate central section, a second retention rib ending radially inward from the second arcuate central section; and a grip ring defining a first ring end and a second ring end, wherein a split is defined between the first ring end and the second ring end, and wherein the first ring end engages the first retention rib and the second ring end engages the second retention rib.

Provided is a hose joint that allows whether or not tightening has been completed to be determined. The hose joint includes: a nipple provided along an insertion space of the hose body, a sleeve deformable in a radial direction thereof and provided so as to surround an outer circumference of the insertion space of the hose body formed along an outer peripheral surface of the nipple, a plurality of separated holders provided outside the sleeve to cover an outer face of the sleeve in a circumferential direction thereof and be separable in the radial direction, and a tightening member provided to extend across the plurality of separated holders so as to move the individual separated holders closer together in the radial direction and cause diameter reduction of the sleeve, the hose joint further including a spacer disposed between each of the plurality of separated holders and the sleeve.

A pipe fitting includes a fitting body defining an inner body surface, an outer body surface, a first axial fitting end, and a second axial fitting end, the inner body surface defining a fitting bore extending from the first axial fitting end to the second axial fitting end, and an assembly window extending through the fitting body from the outer body surface to the inner body surface.

A pipe belling process where a heated thermoplastic pipe end is forced over a sealing gasket on a forming mandrel, with the pipe being subsequently cooled to retain the gasket in an internal groove simultaneously formed in the pipe end. The sealing gasket is a two-component gasket with an elastic component and a plastic component. The elastic component is stretched over a portion of the plastic component during assembly with the plastic component acting as a belling ramp for the gasket during the subsequent pipe belling operation.

The invention relates to the technical field of open type connectors, and discloses a high-bearing-capacity steel press-open type connector and a forming process thereof.The high-bearing-capacity steel press-open type connector comprises two symmetrically-arranged clamping rings, a first combination block and a second combination block, the first combination block and the second combination block are fixedly connected with the ends of the two clamping rings correspondingly, and the first combination block and the second combination block are in contact fit; the outer walls of the two clamping rings are fixedly sleeved with outer clamping hoops, connecting blocks are fixedly arranged at the ends, close to each other, of the two outer clamping hoops, a supporting assembly is arranged between the two connecting blocks and used for connecting the two clamping rings, a sliding groove is formed in the outer wall of the first combination block, and a rotating clamping plate is arranged in the sliding groove in a sliding and penetrating mode. According to the high-bearing-capacity steel press-open type connector and the forming process thereof, after the connector is arranged outside a pipeline, the two clamping rings in the connector can be assembled through rotary insertion matching of the clamping plate and the clamping groove of the connector, meanwhile, the two clamping rings are stably limited and cannot deviate due to vibration, and the connecting stability of the connector to the pipeline is guaranteed.

The utility model provides a building water supply and drainage leakproof component, which relates to the field of drainage leakproof and comprises a fixing mechanism, and the inner wall of the fixing mechanism is slidably connected with a pipeline assembly; the fixing mechanism comprises a first semi-circular ring and a second semi-circular ring, the outer wall of the first semi-circular ring is fixedly connected with a group of connecting blocks, the first semi-circular ring and the second semi-circular ring can be quickly aligned through the sliding fit of the positioning blocks and the positioning grooves, the manual alignment time is shortened, and due to the structural design of the insertion blocks and the insertion grooves, the labor intensity of workers is reduced. Traditional bolt fixing is replaced, quick connection is achieved only by embedding the inserting block into the inserting groove, the tedious step that multiple sets of bolts are fastened one by one is avoided, in addition, the first limiting rod is sleeved with the compressed spring, when the movable plate moves, the compressed spring is compressed to store elastic potential energy, continuous pressing force is provided, tight connection is guaranteed, it is indirectly guaranteed that the inserting block is stably located in the inserting groove, and the clamping effect is good. During dismounting, the inserting blocks can be separated from the inserting grooves by pulling the pull rods to lift the movable plates, and operation is simple and efficient.

The invention relates to the technical field of municipal drainage pipelines, in particular to a sewage pipeline structure and a maintenance method.The sewage pipeline structure comprises a pipe body, a first connecting end, a second connecting end, an elastic sealing ring and a locking mechanism, the elastic sealing ring is arranged in an annular groove of the connecting end and provided with a corrugated protrusion and a flow guide groove, and the locking mechanism comprises a locking ring and a locking sleeve; a guide structure, an elastic buckle array and a pressure color-changing anti-skid gasket are arranged; a guide plate with a pressure sensor is arranged in the pipe body, and a reinforcing rib with an access hole is arranged on the outer wall. Reliable sealing, operation state monitoring and convenient overhauling can be achieved, and the safety and maintenance efficiency of a sewage pipeline system are effectively improved.

According to the technical scheme, the composite seamless nickel alloy pipe comprises an alloy pipe and a graphene heating belt, a heating groove is formed in the portion, close to the inner surface, of the interior of the alloy pipe, the graphene heating belt is installed in the heating groove, and heat preservation tinfoil is arranged on the portion, located on the outer surface of the graphene heating belt, of the interior of the heating groove. A heat preservation groove is formed in the alloy pipe close to the outer surface, a vacuum groove A is formed in the alloy pipe and located in a gap between the heating groove and the heat preservation groove, and a vacuum groove B is formed in the alloy pipe and located at the top of the vacuum groove A. The composite seamless nickel alloy pipe for petroleum transportation solves the problems that when an existing seamless steel pipe for petroleum transportation is used in a low-temperature environment, petroleum is prone to being supercooled under the influence of external cold air, the viscosity of the petroleum is increased, and the petroleum transportation efficiency is reduced, the condensation probability of the petroleum is reduced, and therefore normal transportation of the petroleum is guaranteed.

The utility model belongs to the technical field of pipeline connectors, and provides a petroleum storage and transportation pipeline sealing connector which comprises a fixing unit and a sealing connecting unit, the fixing unit comprises an adjusting seat, a forward lead screw is movably connected with the front face of the adjusting seat in a penetrating mode, and one end of the forward lead screw is fixedly connected with a reverse lead screw. The top of the adjusting seat is fixedly connected with a fixing support, and an adjusting groove is formed in the center of the top of the adjusting seat. The sealing connecting unit comprises a sliding seat which is located at the top of the adjusting seat and movably connected through an adjusting groove, the top of the sliding seat is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with a sealing ring, a mounting groove is formed in the inner wall of the connecting pipe, and a sealing rubber sleeve is mounted on the inner wall of the connecting pipe through the mounting groove; the pipeline sealing connector is convenient for workers to mount and dismount, so that the pipeline sealing connector can adapt to petroleum storage and transportation pipelines of various models and sizes, and the adaptability of the pipeline sealing connector is improved.

The utility model relates to a novel stainless steel pipe connecting structure, and aims to solve the problems of complicated installation, insufficient sealing performance, high cost and the like in the conventional connecting mode. The structure comprises an open annular shell, and two ends of the open annular shell are folded inwards to form a groove-shaped structure; one end of each extension plate is perpendicular to the side wall of the shell, and the other end of each extension plate is bent and attached to form an enclosed cavity and is provided with a mounting groove; the arc-shaped gasket is located in the cavity, two ends abut against the extension plates, and mounting holes are formed; the C-shaped lining plate is attached to the inner wall of the groove-shaped structure of the shell and is internally provided with a One side of the annular clamping strip is in contact with the inner wall, and the other side of the annular clamping strip is of a tooth-shaped structure to form a guide inclined surface; and the screw rod penetrates through the mounting hole and is connected with the nut to realize stainless steel pipe connection. The structure simplifies installation, improves sealing performance, reduces cost and is suitable for various stainless steel pipe connection scenes.