3574results about "Sleeve/socket joints" patented technology

A fluid connector system includes a first connector adjoining a second connector at a junction, and a sealing member coupled to the first connector and the second connector around the junction. The sealing member can include an annular wall having a first annular portion configured to engage the first connector and a second annular portion configured to engage the second connector. The sealing member can include an annular chamber extending between the first annular portion and the second annular portion. The annular chamber can be formed by the first annular portion sealing against an outer surface of the first connector and the second annular portion sealing against an outer surface of the second connector when a pressure between the sealing member and the first connector and the second connector is negative.

A floating joint and retainer connection structure includes a hollow fixed retainer having one closed side formed with a through opening and radially extended sliding slot pairs; an adaptor joint having a pipe connecting and a joining section connected to the retainer and a male coupler, respectively; a first sliding member having an opening fitted on the pipe connecting section, a first slide movably engaged with the sliding slots, and a front guiding recess; a second sliding member having a bore fitted on the pipe connecting section and shaped for slidably engaging with the guiding recess; and a retaining ring fitted on the pipe connecting section and attached to the second sliding member to limit the first and second sliding members from moving axially. With the first and second sliding members, the adaptor joint can translate to correct a radial fit tolerance and be conveniently assembled to the fixed retainer.

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.

A pipe coupling has two segments with action surfaces in facing relationship. Attachment elements on each segment, in the form of lugs, accommodate adjustable fasteners which draw the segments together when tightened. Support surfaces on the lugs engage one another to visually indicate that a proper installation of the coupling has been achieved.

An element changer includes a plurality of operation pin members (4) inserted in a housing (3). Each of the operation pin members (4) has a wedge surface (12c). When the operation pin members (4) are pushed into the housing (3), each wedge surface (12c) is disengaged from an engaging portion (10a) provided at a leading end portion of a tubular wall portion (10) of a tool plate (2) or of a connection plate (1). This allows a tool (5) functioning as a second element to be detached from a robot arm (8) functioning as a first element.

To provide a sealing material which is compressed to seal between a seal surface of a socket and an outer peripheral surface of a spigot, and which satisfies both requirements from a stress aspect during compression and requirements from a watertightness aspect.SOLUTION: A sealing material comprises: a heel part 13 that is fitted into a fitting groove 21 of a socket 2, and a valve part 10 that is compressed by being sandwiched between a sealing surface 23 of a socket 2 and an outer peripheral surface of a spigot 3. The valve portion 10 has a first convex part 11 formed on an outer peripheral side, and a second convex part 12 formed on an inner peripheral side. A first radius R1 of a first circle 11c including the arc-shaped outline of the first convex part 11 is smaller than a second radius R2 of a second circle 12c including the arc-shaped outline of the second convex part 12. The center C1 of the first circle is located inside the sealing surface 23 of the socket 2 in a pipe diameter direction, and is included in the circumference of the second circle 12c. The center-to-center distance between the center C1 of the first circle and the center C2 of the second circle in the pipe axial direction is smaller than the difference between the second radius R2 and the first radius R1.SELECTED DRAWING: Figure 2

The invention discloses a welding-free connection convenient steel pipe joint structure, and relates to the technical field of steel pipe joints, the welding-free connection convenient steel pipe joint structure comprises a joint pipe and a connected external steel pipe, two ends of the joint pipe are integrally provided with protruding pipes matched with the internal diameter of the external steel pipe, and the protruding pipes are inserted into the external steel pipe in a penetrating mode. And the joint pipe and the external steel pipe are fixed through the fastening sleeve. According to the convenient steel pipe joint structure without welding connection, through the ingenious mechanical linkage design, the installation efficiency and the operation convenience are remarkably improved. The key point is that the semi-ring sleeve, the clamping shaft and the elastic element cooperate with each other, so that quick connection can be realized without the traditional welding or complex thread fastening process. After the joint pipe is preliminarily butted with the external steel pipe, the rotary table and the eccentric rod can be driven by rotating the rotary knob, the movable block and the clamping shaft are automatically aligned and locked by utilizing the elastic reset characteristic of the spring, and the design avoids the requirements for accurate alignment and strong fixation in traditional installation.

A pipe coupling includes a coupling body comprising a first coupling segment and a second coupling segment, each of the first and second coupling segments defining a first end and a second end opposite the first end; a fastener mounted to the coupling body and configured to tighten the pipe coupling from an untightened configuration to a tightened configuration; and an installation indicator arranged between the first end of the first coupling segment and the first end of the second coupling segment, wherein the installation indicator is clamped between the first and second coupling segments in the tightened configuration.

The invention discloses a water-leakage-proof pipeline butt joint device, and relates to the related field of drip irrigation pipeline butt joint, the water-leakage-proof pipeline butt joint device comprises a drip irrigation main pipe, butt joints are arranged on the two sides of the drip irrigation main pipe, drip irrigation branch pipes are connected to the outer sides of the butt joints, and butt joints are connected between the butt joints and the branch pipes; sealing sleeves are symmetrically arranged on the two sides of the butt joint device and connected with the sealing grooves in a concave-convex fit mode. Sealing bags are arranged on the inner walls of the left side and the right side of the butt joint device, and the sealing bags are tightly attached to the outer sides of the butt joint head and the branch pipe. When pipeline connection is carried out, the sealing bag is extruded to adaptively fill a tiny gap and an irregular surface at a pipeline joint to form tight fit, the sealing effect is ensured, the sealing sleeve tightly wraps the pipeline joint, the sealing reliability is further enhanced, the leakage risk is reduced, meanwhile, due to the arrangement of the locking block and the inserting groove, the sealing effect is improved, and the sealing effect is improved. And the butt joint stability of the pipelines can be further improved.

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.

The invention provides a fixed petroleum pipeline connector, and relates to the technical field of petroleum transmission. The fixed petroleum pipeline connector comprises a semicircular cover, a gas supply device, a driving device, anti-freezing mechanisms, pipelines and a cleaning mechanism, the gas supply device is fixedly connected to the right side of the semicircular cover, the driving device is fixedly connected to the left side of the semicircular cover, the pipelines are movably connected to the front side and the rear side of the semicircular cover, and the anti-freezing mechanisms are fixedly connected to the front side and the rear side of the inner side of the semicircular cover. And a cleaning mechanism is fixedly connected to the middle of the inner side of the semicircular cover, accumulated snow and soil are prevented from entering the pipeline in the pre-laying process of the pipeline through the cleaning mechanism, and meanwhile rust dust on the inner wall of the pipeline can be cleaned. The problem that the laying efficiency of the pipeline is affected due to the fact that soil and accumulated snow enter the pipeline in the laying process of the petroleum pipeline under the severe weather condition is solved.

To provide a drain hose for air conditioning which enables improvement of workability related to connection between a drain pipe of an indoor unit and the drain hose for air conditioning.SOLUTION: A drain hose for air conditioning includes: a hose part 11 in which drain water discharged from a drain pipe provided in an indoor unit of an air conditioner flows; and a connection part 20 which is provided at an end 12 of the hose part 11 so as to connect the drain pipe with the hose part. The connection part 20 has: a connection pipe 30 to be connected to the drain pipe; and a guide part 40 which guides a tip of the connection pipe 30 to the drain pipe when the connection pipe 30 is connected to the drain pipe. The guide part 40 has a first recessed part 50 disposed in a position spaced apart from a tip of the connection pipe 30 in a direction from a root of the connection pipe 30 toward the tip of the connection pipe 30. When viewed from a direction along an axis of the connection pipe 30, a side surface of the first recessed part 50 is located at the outer side of the connection pipe 30 with respect to the axis of the connection pipe 30.SELECTED DRAWING: Figure 4

A coupling for joining pipe elements has cast segments attached end to end surrounding a central space. The segments define a channel that receives a gasket. Side surfaces within the channel have angularly oriented capture surfaces which are engaged by bulbous rims on the gasket which prevent the gasket from being dislodged from the channel when at least one pipe element is inserted into the central space. Side surfaces may also have support surfaces between the capture surfaces. The gasket supports the segments in a preassembled state wherein the segments are in spaced relation sufficient to permit insertion of one or more pipe elements while the segments are attached end to end.

This document describes fluid coupling devices for fluid handling systems. For example, this document describes male and female couplings that can be snapped together, and that are disconnectable by manually compressing an ovular collar of the female coupling. Some fluid coupling devices described herein are well suited for use in systems that provide liquid cooling for heat generating devices such as batteries, power sources, electronics, computer hardware and the like. Moreover, the fluid coupling devices described herein are also suitable for many other fluid coupling uses.

The utility model discloses a sealing ring for groove connection for a high-pressure pipeline, which is matched with a hoop and comprises a rubber ring, a sealing ring and an elastic semi-ring, the sealing ring is located in the middle of the inner surface of the rubber ring and installed at the joint of the end faces of the two steel pipes, and the inner diameter is not larger than that of the steel pipes. The clamp and the inner side of the groove are in slope fit to provide sealing extrusion force for the end face of the steel pipe. The elastic semi-ring is arranged on the outer surface of the rubber ring or fixed in the rubber ring, and the assembling surface of the elastic semi-ring is consistent with the pre-tightening force direction of the bolt; or more than two sets of elastic semi-rings are uniformly distributed in the axial direction, and the splicing surfaces are mutually staggered. Or a cavity is formed in the rubber ring, passes through an inner opening in the inner end face of the inner pipe sealing ring, or is communicated with the outer pipe extending out of the outer side of the hoop. The utility model has the advantages of double sealing, good sealing performance and convenience in installation.

A joint assembly for joining a first component to a second component includes a first clevis including first clevis apertures and a second clevis including second clevis apertures. The joint assembly includes a first bearing insert and a second bearing insert fixedly coupled to the first clevis and the second clevis, respectively. The joint assembly includes a ring surrounding the first clevis and the second clevis and including a plurality of ring apertures. The joint assembly further includes a plurality of pins received within the corresponding ring aperture. Each pin includes a head portion and a shaft portion extending from the head portion. The shaft portion is coupled to the ring by a corresponding interference fit. The shaft portion is coupled to the corresponding first or second bearing inserts by a corresponding clearance fit such that the shaft portion is rotatable relative to the corresponding first or second bearing inserts.

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 utility model relates to the technical field of vibration reduction, in particular to a dynamic vibration absorber which comprises a fixing assembly which can be fixedly arranged on a pipeline in a sleeving mode. The elastic damping assemblies are arranged on the outer side of the fixing assembly at intervals in the circumferential direction of the fixing assembly, and the elastic damping assemblies are detachably connected with the fixing assembly; and the counterweight assembly is arranged on the fixing assembly in a sleeving manner, and the counterweight assembly is detachably connected with the elastic damping assembly. The vibration of the pipeline can be reduced, so that the noise is reduced, and the influence on the working state of personnel is reduced.

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.

A piping system including a pipe and a pipe block coupled to an end of the pipe. The pipe includes: a flange positioned at the end and protruding in a radially outward direction along an outer circumference of the pipe; and a coupling portion having a nipple that is inserted into the pipe block. The pipe block includes: an insertion hole into which the pipe is coupled; and a lip protruding from a surface in which the insertion hole is formed in a circumferential direction along an outer circumference of the insertion hole. An inner diameter of the lip is equal to or greater than an outer diameter of the flange, and when the pipe is coupled to the pipe block, the flange is positioned inside the lip and the lip is deformed in a radially inward direction of the pipe to grip and fix the pipe.

The invention provides a shared bolt pipe fitting which comprises a pipe fitting body, and at least one pair of positioning parts are arranged on the outer side of each communicating end. The clamp assembly comprises at least two pairs of clamp pieces, the two ends of each clamp piece are provided with installation bases used for installing bolts, the inner side of each clamp piece is provided with at least one positioning groove, and on every two adjacent pairs of clamp pieces, at least parts of every two adjacent installation bases are overlapped with each other and share the same bolt. The positioning part and the positioning groove are arranged between the end part of the pipe fitting main body and the inner side of the clamp piece, and the overlapping part of the shared bolt is arranged between the two adjacent communicating end parts, so that the communicating end parts of the clamp piece are quickly positioned and mounted, the deformation of the clamp piece in the mounting process is controlled to a certain extent, and the mounting efficiency is improved. Therefore, the connecting stability between the communicating end of the pipe fitting body and other pipeline openings is guaranteed, and the situation that media in a pipeline leak at the connecting position is avoided.

The utility model relates to a three-way connecting piece which is used for being matched with a connecting rod in a clamping mode, an elastic clamping piece is arranged on the connecting rod, the three-way connecting piece comprises a body, the body is provided with three connecting pipes, and at least one connecting pipe is provided with a clamping portion. The clamping part comprises a clamping opening formed in the connecting pipe in the circumferential direction, and the elastic clamping piece can slide in the clamping opening in the circumferential direction of the connecting pipe. The three-way connecting piece is provided with the clamping opening formed in the circumferential direction, so that the elastic clamping piece can slide in the clamping opening in the circumferential direction of the connecting pipe, when the three-way connecting piece is installed, if the elastic clamping piece of the connecting rod connected with the two three-way connecting pieces in an inserted mode has circumferential angle deviation, the connecting rod can be rotated, and the elastic clamping piece can slide in the clamping opening in the circumferential direction. And the elastic clamping pieces slide in the corresponding bayonets, so that the two elastic clamping pieces can be respectively clamped with the corresponding bayonets of the three-way connecting pieces at the two ends, and the three-way connecting pieces and the connecting rod are assembled.

This invention provides a push ring 14 that is fitted over a spigot, that faces an open end surface of a socket from the outside, that is connected to the socket by a plurality of fasteners, and the pushes a sealing material into the socket. The push ring has a pressing surface that presses the sealing material, a plurality of fastener insertion holes 21 into which the fasteners are inserted, equally-spaced regions 29 in which the intervals between the fastener insertion holes 21 in the circumferential direction A are maintained at even intervals S1, and an enlarged internal region 30 in which intervals S2 between any two fastener insertion holes 21 adjacent in the circumferential direction A is larger than the equal intervals S1, the enlarged interval region 30 being provided with a reinforcing member 23.

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.

The present invention relates to a fluid connection element (50) which comprises a body (51). The body comprises an internal receiving volume (71) and a plurality of housings (79). In each housing, a locking element (55) is movable between an internal locking position in which the locking element projects into the internal receiving volume, and an external unlocking position. The fluid connection element also comprises a locking ring (53), capable of cooperating radially with the locking elements and movable relative to the body between an advanced locking position and a retracted unlocking position, a piston (57), arranged around the body and around the locking ring and movable longitudinally relative to the body and relative to the locking ring, and a first spring (59) pushing the piston towards a position where the piston is in abutment against the body.

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.