6376results 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.

The utility model discloses a clamping and pressing type pipe fitting with a limiting function. The clamping and pressing type pipe fitting comprises a pipe body, the connector assembly is used for connection at a pipe body connector, and the inner wall of the connector assembly is connected with the outer wall of the pipe body in an inserted mode; the clamping ring is used for limiting the clamping and pressing position of the clamping and pressing tool, and the inner wall of the clamping ring is fixedly connected with the outer wall of the connector assembly. According to the device, the sliding ring and the clamping ball are arranged, during connection, the sliding ring is pushed towards the side close to the sleeve, then the pipe body is inserted into the sleeve, the sliding ring is loosened, the compression spring drives the sliding ring to reset, the clamping ball is extruded into the trapezoidal groove, and therefore the pipe body and the sleeve can be prevented from sliding relatively to be dislocated during clamping and pressing; after the pipe body is inserted into the sleeve, the pipe body extrudes the V-shaped gasket, at the moment, the two sides of the V-shaped gasket make contact with the inner wall of the sleeve and the outer wall of the limiting ring respectively, and leakage can be prevented when fluid flows.

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.

The invention discloses a sewage treatment pipeline, and relates to the technical field of pipelines. The sewage treatment pipeline comprises pipeline bodies, and the pipeline bodies are fixed through a connecting mechanism; the connecting mechanism comprises a base, the top of the base is fixedly connected with two symmetrically-arranged first clamping hoops, and the side wall of each first clamping hoop is rotationally connected with a second clamping hoop through a rotating assembly. According to the sewage treatment pipeline, when the pipeline body is connected, more convenience and rapidness are achieved, meanwhile, automatic blowing cleaning can be conducted on the end face and the side wall of the connecting part, the sealing effect is guaranteed, when the sewage treatment pipeline is used, impurities can be intercepted on the surface of the filter screen and in the working pipe, blockage of the pipeline body can be avoided, and meanwhile, the pipeline body is prevented from being blocked. According to the pipeline, intercepted impurities can be absorbed, in addition, the surface of the filter screen can be subjected to absorption, scraping and vibration cleaning, the cleaning efficiency and effect are guaranteed, and then the using effect and the service life of the pipeline body are guaranteed.

First and second pipe elements are joined end to end by a coupling. The first and second pipe elements have a circumferential groove at an end, and each of the grooves has a floor. A plurality of segments, each having oppositely disposed ends, and a respective connection member positioned at each end, form the coupling. A first end of each segment is connected to a second end of another of the segments such that said segments surround a central space for receiving the second pipe element.

The utility model relates to the field of fire-fighting engineering, and discloses a combinable smoke exhaust pipeline structure for fire-fighting engineering, which comprises a smoke pipe and a hoop, the smoke pipe is a sectional pipeline, the hoop is sleeved at a smoke pipe connecting port, the hoop is fixedly connected with a hanging bracket, a slot is arranged on the outer wall of the hoop, and the hanging bracket is fixedly connected with the smoke pipe connecting port. And combined section steel is welded to the top end and the bottom end of the outer wall of the smoke pipe. According to the combinable smoke exhaust pipeline structure for the fire engineering, the hoops are arranged, the pipelines are combined and installed in a segmented connection mode, the pipe opening of each section of smoke pipe is aligned with the hoops to be inserted into the hoops, the combined steel on the outer walls of the smoke pipes can be inserted into the limiting steel on the inner walls of the hoops from the inserting grooves in the hoops and embedded into the limiting steel on the inner walls of the hoops, and transverse clamping is formed to prevent the smoke pipes from shaking during installation; and then connecting bolts are driven in to connect the combined section steel with the limiting steel, so that through tight connection with the hoop, the connection stability is improved, the smoke pipes can be combined and installed according to the requirements of the number and the length to form a long-distance smoke exhaust pipeline, and the problem that connection is affected by disassembly and assembly is solved.

An adapter for facilitating an easy and secure connection between a sewage drainpipe and a sewage disposal inlet. The adapter includes a tubular member, at least one connection lug, a ring, and at least one flange. The tubular member forms a channel defining an inlet and an outlet, the outlet insertable into the sewage disposal site inlet. At least one flange extends from an outer surface of the tubular member to increase an outer circumference of the tubular member to allow the adapter to facilitate a rapid and secure frictional connection with the sewage disposal site inlet. The flanges are configured to form a stepped configuration so the adapter may securely fit into a variety of disposal site inlet sizes. The ring, typically disposed above the flanges, includes a threaded portion, and is configured to thread onto a predetermined sewage disposal site inlet size to form a substantially leak-free seal.

An undersea hydraulic coupling member having a ring-shaped seal with multiple sealing surfaces extending radially inwardly therefrom is disclosed. The multiple sealing surfaces help guide the probe of the male coupling member into the female member without the risk of drag or galling of the receiving chamber or metal seal retained therein. The seal has an interfit with reverse inclined shoulders in the female member to restrain the seal from moving radially inwardly due to vacuum or low pressure. The seal also includes an internal biasing element to restrain the seal from moving radially inwardly during de-mating of the coupling members.

A pipeline connecting device belongs to the field of pipeline connecting devices and comprises an outer pipe, two inner pipes are rotationally arranged in the outer pipe, a row of multiple sliding rings are arranged in each inner pipe in a sliding mode, every two adjacent sliding rings are connected through an elastic rubber cylinder, and a fixing ring fixed to the outer pipe is arranged between the two inner pipes. The fixing ring is connected with the adjacent sliding rings on the two sides through the elastic rubber barrels respectively, the elastic rubber barrels, the sliding rings and the fixing ring form a fixing barrel, and transverse strip-shaped sliding grooves are formed in the inner wall of the inner pipe respectively. The pipeline connecting device is simple in structure, ingenious in concept, capable of being suitable for connection of pipelines of various sizes, high in applicability, good in sealing effect and easy to operate, multiple independent seals are arranged, multiple seals are formed, the pipelines can be rapidly positioned, clamped and sealed only by screwing the inner pipe to enable the inner pipe to rotate relative to the outer pipe, market requirements can be met, and the pipeline connecting device is suitable for popularization.

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.

The invention relates to a tool holder for the, in particular force-fit, mounting of a tool, in particular a rotary tool, and to a kit, in particular for such a tool holder. The tool holder comprises a receiving body which has a rotary axis, a rear interface for receiving the tool holder in a work spindle of a machine tool, a front receiving section for the force-fit retention of the tool, in particular the rotary tool, a coolant bore arranged along the rotary axis between the interface and the receiving section, by means of which coolant can be guided along the rotary axis from the interface to the receiving section and which has a first area with a second area adjoining it in the direction of the rotary axis towards the receiving section, wherein a diameter of the first area is larger than a diameter of the second area, and a coolant pipe arranged in the first area of ​​the coolant bore which has a diameter larger. Towards the receiving section, a cavity is formed in the receiving body or in the first area with the increased diameter between the coolant pipe and the smaller diameter second area of ​​the coolant bore. To improve the coolant flow and thus the cooling of a tool, the tool holder is designed with a bridging element in the cavity between the coolant pipe and an interface-side end of the smaller diameter, second area. This bridging element is designed to allow coolant flow and seal the coolant flow against the cavity.

The utility model discloses an industrial gas leakage positioning device, which relates to the technical field of gas leakage detection and comprises a first arc-shaped plate and a second arc-shaped plate, the first arc-shaped plate and the second arc-shaped plate are symmetrically arranged in an abutting mode, and annular air bags are fixedly arranged on the inner walls of the two sides of the first arc-shaped plate. Annular grooves are formed in the inner walls of the two sides of the second arc-shaped plate, one sides of the two annular air bags are clamped into the corresponding annular grooves, an air leakage alarm is fixedly arranged on one side of the first arc-shaped plate, and a trigger button is fixedly arranged on one side of the air leakage alarm. A fixing shell is fixedly arranged on one side of the air leakage alarm, one end of the trigger button extends to the inner side of the fixing shell, and a first piston is arranged in the fixing shell in a sliding mode. The pipeline node air leakage detection device can perform air leakage detection on pipeline nodes, can be conveniently matched with pipelines with different diameters, and is high in applicability.

A support for coaxial flanges of a double-coaxial coupling includes a circular support structure providing a primary mounting zone for attaching a primary flange for connecting a primary outer tube, and a secondary mounting zone for attaching a secondary flange for connecting a coaxial secondary inner tube. The primary and the secondary mounting zones are spaced apart from each other in a radial direction for centering the primary and the secondary flanges in a radially spaced coaxial manner. The primary mounting zone provides an outer circumferential connection region with at least three mounting points for attaching the primary flange. The secondary mounting zone provides an inner circumferential connection region with at least three mounting points for attaching the secondary flange. A thermal path within the circular support structure between the mounting points of the primary and secondary mounting zones is longer than the distance between the two points.

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.

The invention relates to the technical field of heat distribution pipelines, and discloses a quick-connection water-leakage-proof heat distribution pipeline which comprises a heat distribution pipeline body, and a first flange is fixedly installed at one end of the heat distribution pipeline body. According to the heat distribution pipeline capable of being quickly connected and preventing water leakage, through matched arrangement of the heat distribution pipeline bodies, the first flanges, the second flanges, the L-shaped grabbing plates, bevel gears and hand wheels, when the heat distribution pipeline is used, the first flange plates and the second flanges at one ends of the two heat distribution pipelines are in butt joint, and then the L-shaped grabbing plates can be clamped into grooves in the second flanges by rotating the L-shaped grabbing plates; then a hand wheel is shaken to drive a rotating shaft and a bevel gear to rotate and drive a bevel gear ring and a gear ring which are meshed to rotate at the same time, then the gear ring drives a gear and a threaded rod to rotate, then the threaded rod drives a U-shaped plate to move, and at the moment, an L-shaped grabbing plate fixes a first flange and a second flange together, so that dismounting and mounting are convenient; and the operation difficulty and the construction intensity of workers are effectively reduced.

The invention provides a hydraulic pipe metal joint with a double-layer sealing structure, and belongs to the technical field of hydraulic pipe metal joints, the hydraulic pipe metal joint comprises a main joint jacket, and the outer wall of the main joint jacket is fixedly connected with an auxiliary joint jacket. According to the oil pipe connector, the special flowing space is formed between the partition plate and the auxiliary connector outer sleeve, and when leaking, an oil pipe can flow in the space formed by the main connector outer sleeve, the auxiliary connector outer sleeve and the outer portion of the inner oil pipe and flow into the special flowing space where the partition plate and the auxiliary connector outer sleeve are located; hydraulic oil flows into the corresponding telescopic pipes through the oil guide grooves, then the telescopic pipes are pushed to extend, the vertical plates are pushed to drive the sliding plates and the clamping plates to move, namely the clamping plates are pushed to extrude the sealing grooves of the inner oil pipe, the larger the leakage pressure is, the higher the clamping force of the clamping plates is, and therefore the outer oil pipe and the inner oil pipe are effectively prevented from falling off, and risks caused by falling off are effectively reduced; the service life of equipment is prolonged, and a good protection function is achieved.

The utility model relates to the technical field of municipal water supply pipelines, and discloses a reinforcing structure at the joint of municipal water supply pipelines, which comprises an adapting pipe and an inserting pipe, and a reinforcing mechanism is arranged at one end of the adapting pipe; the reinforcing mechanism comprises a fixing ring, two clamping plates are arranged in the fixing ring, an adjusting rod is arranged at the upper end of the fixing ring, two limiting barrier strips are arranged at the lower ends of the clamping plates, sealing air bag strips are arranged at the lower ends of the clamping plates and fixedly connected with the clamping plates, and an inflation air nozzle is arranged at one end of the fixing ring and fixedly connected with the fixing ring. A connecting hose is arranged at one end of the sealing air bag strip, one end of the connecting hose is fixedly connected with the sealing air bag strip, one end of the connecting hose is connected with the inflation nozzle, and a sealing assembly is arranged at the lower end of the sealing air bag strip. According to the pipeline connecting structure, the reinforcing mechanism is arranged, so that the pipeline connecting position can be sealed, the sealing effect of the pipeline connecting position can be effectively improved, and leakage of the pipeline connecting position is avoided.

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.

A seal includes an undulating profile following a circumferential path centered on a main axis, such that the path has a variable axial amplitude relative to a reference transverse plane perpendicular to the main axis between two, lower and upper, transverse planes and defines a non-planar geometric profile of the seal. The undulating profile has at least two peaks and at least two troughs that are formed by axial excursions relative to the transverse reference plane so that compression of the seal follows a stepped profile in which the steps are defined by the upper and lower planes and intermediate planes located between the upper and lower planes.

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.

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 has two segments with lugs adapted to receive adjustable fasteners to draw the segments together to join pipe elements. Each lug has an inner surface and a stop surface in spaced relationship. The stop surfaces on corresponding lugs contact each other when the adjustable fasteners are tightened.

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 utility model is suitable for the technical field of pipeline connection, and provides a pipeline high-applicability stable connecting assembly which comprises a main connecting pipe fitting and two locking hoops, and the two locking hoops are used for being locked on two pipelines to be connected towards the two sides. Two pipelines to be connected penetrate through the locking hoops from the two sides correspondingly, extend and penetrate into the main connecting pipe fitting in an inserted mode, and are sealed through the main connecting pipe fitting. The main connecting pipe fitting comprises a connecting cylinder, and inserting cavities are formed in the two sides of the connecting cylinder respectively. A plurality of unit locking plates movably penetrate through the periphery of the penetrating cavity, and inclined planes are arranged at the ends of the unit locking plates; when a medium flows in the pipeline, the medium flows to push the inclined surface forwards, and the inclined surface pushes the unit locking plate upwards, so that the unit locking plate is enabled to be more propped against the end of the pipeline, and the stable sealing effect of the insertion cavity on the end of the pipeline is ensured; and when a medium continuously flows subsequently, the stable and continuous sealing effect of the inserting cavity on the end of the pipeline can be achieved.

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.