2731results about "Hose connections" patented technology

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 hose assembly for use with a tankless water heater. The hose assembly includes a flexible hose, a first connector assembly, and a second connector assembly. The first connector assembly is fluidly coupled with the flexible hose and includes a first fitting. The first fitting is rotatably coupled with the first connector assembly such that the first fitting is independently rotatable relative to the flexible hose. The second connector assembly is fluidly coupled with the flexible hose opposite to the first connector assembly.

A cable mount for a fluid conduit, comprising a lower main body (7) with a bore therethrough and a shaped opening formed thereinto, an upper body (6) for engagement relative to the main body and comprising a cable bore therethrough and a receiving opening oriented towards the shaped opening in the main body and a collet (8) with a collet bore defined by a segmented body and having at least one tapered radial surface to abut a surface of the receiving opening in the upper body and a shaped lower portion with at least one radial surface corresponding to the shaped opening in the main body to resist rotation of the collet as the upper body is tightened onto the lower body, wherein the collet bore has a predefined dimension when the upper body is fully engaged with the main body.

The utility model discloses a pipeline compensator convenient to install, and relates to the technical field of pipeline compensators, the pipeline compensator comprises a pipeline compensator main body, and the upper end and the lower end of the pipeline compensator main body are fixedly provided with fixing discs. An annular pull rod is pulled to drive two sets of movable insertion rods to move upwards, so that a limiting ring fixed to the annular pull rod is driven to move upwards, a first spring is further extruded, then a connecting pipe is held by hand, the position of a positioning block is adjusted, the positioning block is located above a clamping groove, a positioning disc is inserted into a fixing disc, the connecting pipe is rotated clockwise by 90 degrees, and the first spring is fixed. According to the fixing assembly, the positioning block is located above the trapezoidal block, the clamping block is located over the clamping groove, the annular pull rod is loosened, the elastic force of the first spring is utilized to drive the limiting ring, the movable insertion rod and the clamping block to move downwards into the clamping groove, and then the pipeline compensator body can be installed through the connecting pipe; and the disassembly and assembly efficiency of the butt joint of the connecting pipe and the pipeline compensator main body by workers is greatly improved.

The hose joint includes: a nipple having conductivity and provided along an insertion space of the hose body; a sleeve deformable in a radial direction 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 of the sleeve to cover an outer face of the sleeve in a circumferential direction 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 nipple having the conductivity has a grounding clip having conductivity, the grounding clip is locked to an outer circumference of the nipple, each of the separated holders having a holder extension part.

To enable reduction of effort required to confirm whether or not a flexible pipe has been properly connected.SOLUTION: Sealing material 22 for flexible pipe comprises a seal acting part 160, a cylindrical body part 162, and a penetration preventing part 164. The seal acting part 160 engages with a valley part 312 of a flexible pipe 300 as the seal acting part is stored together with the flexible pipe 300. As a result, the seal acting part 160 seals a gap between outer peripheral surfaces 310 and 312 of the flexible pipe 300 and a portion in which the flexible pipe 300 is stored. The cylindrical body part 162 is directly or indirectly connected to the seal acting part 160. The body part 162 has an inner diameter that allows insertion of the flexible pipe 300. The penetration preventing part 164 is directly or indirectly connected to the body portion 162. The penetration preventing part 164 prevents the flexible pipe 300 from passing through the body part 162. A groove 180 is provided in an outer perimeter of the body part 162.SELECTED DRAWING: Figure 4

Provided is a hose including a first connector assembly including a regulator assembly, a second connector assembly, and a hose assembly coupled to the first and second connector assemblies. The hose assembly includes an inner hose member having first and second ends, an outer hose member having first and second ends, a first hose connector assembly coupled to the first ends of the inner hose member and outer hose member and the first connector assembly, and a second hose connector assembly coupled to the second ends of the inner hose member and outer hose member and the second connector assembly.

Provided is an adjustable quick alignment device for an oil filling crane pipe, which includes a sealing mechanism 1, a multi-jaw chuck mechanism 2, and a driving mechanism 3. 【Solution means】The sealing mechanism includes an oil delivery pipe, a screw sleeve, an inner sealing spacer ring, an outer sealing O-ring, a cover plate, and a stopper disk. A multi-jaw chuck mechanism is mounted on the stopper disk. When the driving mechanism rotates, the stopper disk and the screw sleeve are rotated. The rotation of the stopper disk causes the gripping jaws of the multi-jaw chuck mechanism to expand and contract, realizing the grasping and unloading of the inlet flange. The screw sleeve moves along the axial direction of the oil delivery pipe. The cover plate presses the outer sealing O-ring to press the inlet flange to form a primary seal, presses the inner wall of the inner sealing spacer ring, expands at the conical trumpet opening of the oil delivery pipe, and presses the inner wall of the inlet flange to form a secondary seal.

A rotation sleeve grip structure for garden hoses or other tubings is provided. A hose assembly can include a hose tubing and a rotation sleeve installed over an outer surface of the hose tubing, where the rotation sleeve is constrained between first and second open ends of the hose tubing and comprises a hollow cylindrical shell configured to enclose a portion of the hose tubing along a longitudinal length. The rotation sleeve is rotatable through 360 degrees about a circumference of the outer surface of the hose tubing. An inner sleeve can be affixed to the outer surface of the hose tubing, and may be disposed between the hose tubing and the rotation sleeve. One or more circumferential rib protrusions and corresponding circumferential channels for receiving the rib protrusions can be provided between the inner sleeve and the rotation sleeve.

A clamp including a body having a top portion hinged to a bottom portion, each of the top portion and the bottom portion including a rounded inner surface for receiving an elongated element, a ratchet on the top portion having a plurality of teeth, an opening in the bottom portion for removably receiving the ratchet, and a retaining assembly for adjustably engaging a portion of the plurality of teeth in the opening, the retaining assembly being releasable without tools.

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.

A breakaway valve for a cryogenic fluid tank includes a tank-side valve and a nozzle-side valve. The tank-side valve is connected to and forms a first vacuum-insulation layer with a first jacketed hose. The first jacket support includes first bellows configured to reduce heat transfer with the first vacuum-insulation layer and one or more first bellow supports that include first teeth inserted between and engaging the first bellows to provide structural support to the first bellows. The nozzle-side valve is connected to and forms a second vacuum-insulation layer with a second jacketed hose. The second jacket support includes second bellows configured to reduce heat transfer with the second vacuum-insulation layer and one or more second bellow supports that include second teeth inserted between and engaging the second bellows to provide structural support to the second bellows.

The utility model relates to the technical field of hose connectors, in particular to a buckling-free full-bore acid fracturing hose assembly which comprises a hose and a connector. The hose sequentially comprises a lining layer, a framework layer and an outer rubber layer from inside to outside. The connector comprises a sleeve and a wedge-shaped sleeve, the sleeve is installed at the end of the hose, the outer rubber layer wraps the outer side of the sleeve, the inner diameter of the sleeve is equal to the inner diameter of the lining layer, an anti-pulling-off hole is formed in the sleeve and is a conical hole, and the diameter of the axial outer end of the conical hole is larger than that of the axial inner end of the conical hole. The outer side of the wedge-shaped sleeve is conical, the wedge-shaped sleeve is inserted into the inner ring of the framework layer, and the outer ring of the framework layer is embedded into the anti-pull-off hole. According to the utility model, the influence of a non-drift-diameter joint on the flow is reduced, and the pulling risk of the hose and the joint is reduced.

The invention discloses a metal hose quick-plug connector, which relates to the technical field of pipeline connection, and comprises a male connector and a female connector, at least three clamping pins which are arranged in a circumferential array around the male connector are fixed outside the male connector, a clamping ring which is rotatably clamped with the clamping pins is fixed outside the female connector, and a sealing ring is arranged between the male connector and the female connector. The locking mechanism comprises a sleeve connected to the interior of the female connector in a sliding mode, a positioning pipe is fixed to the male connector, the steel ball clamps the sleeve under the action of the elastic force of the spring, and rotation of the sleeve and the female connector relative to the male connector can be limited within the preset working torque range; therefore, excessive abrasion of an internal sealing ring caused by frequent rotation of the male connector and the female connector is avoided, sealing stability of the quick-plug connector is guaranteed, meanwhile, when torsional force borne by the male connector and the female connector exceeds a preset range, the male connector and the female connector can release torsional stress through relative rotation, and the metal hose is effectively prevented from being damaged due to excessive torsion.

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 connector with a sealing function and automation equipment, and discloses automation equipment with the connector with the sealing function, the connector with the sealing function comprises a connector main body, a first sealing piece and a first valve core, the connector main body is provided with an air inlet channel and at least one air outlet channel, the air inlet channel is communicated with the air outlet channel, the air inlet channel is provided with a first opening, the air outlet channel is provided with a second opening, the first opening is used for allowing the first connecting pipe to be inserted, the second opening is used for being communicated with the second connecting pipe, and the first sealing piece is contained in the corresponding air outlet channel and provided with a first avoiding hole; the first valve element is slidably arranged in the air outlet channel so as to be switched between the opening state of opening the air outlet channel and the closing state of closing the air outlet channel, air source waste can be reduced, maintenance personnel do not need to close the electromagnetic valve on the first connecting pipe, the maintenance operation of the maintenance personnel can be simplified, and the maintenance efficiency is improved. And maintenance personnel can conveniently replace the second connecting pipe.

A first joint has a central axis and extends in an axial direction along the central axis. The first joint includes a first joint body, an axially facing portion, an actuation portion, and a mounting portion. The first joint body is coupled to the second joint along the central axis. The axially facing portion axially opposes a protruding portion protruding from an outer peripheral surface of the second joint, from a front end side in an axial direction of the first joint body. The actuation portion is connected to the axially facing portion and is actuatable along an axis intersecting direction intersecting the central axis. The mounting portion includes an actuation portion restricting portion restricting movement of the actuation portion in a state where the axially facing portion and the protruding portion oppose each other.

The invention belongs to the technical field of engineering elements, and particularly relates to a connector for a heat dissipation water tank and a working method thereof. The connector for the heat dissipation water tank comprises a female connector arranged on the side wall of the water tank; the male joint is matched with the female joint and is arranged at the end part of a water outlet pipe of the generator set; the adjusting and sealing assembly comprises an inner sealing pipe arranged in the female connector in a sliding mode and an outer adjusting pipe arranged outside the female connector in a sleeving mode. After the male connector is inserted into the female connector, water flow pushes the inner sealing pipe to move towards the water tank, and the end of the inner sealing pipe abuts against the reducing conical surface in the female connector in a sealed mode. When the inner sealing pipe axially moves, the water outlet pipe is tightened to reduce water flow impact on the female joint; by adjusting the matching of the sealing assembly, the male joint and the female joint, the impact force of water flow on the female joint is reduced, and the sealing performance of the male joint and the female joint is improved.

The utility model relates to the technical field of fire fighting equipment, and discloses a fire hose quick connecting and sealing device which comprises a connecting male head, the outer side of the connecting male head is sleeved with a connecting female head, the outer side of the connecting female head is fixedly sleeved with a fixing seat, a cavity is formed in the fixing seat, and a piston mechanism is arranged in the cavity; a sealing seat is arranged on the inner wall of the female connector, a mounting groove is formed in the inner wall of the sealing seat, a sealing mechanism is arranged in the mounting groove, a groove is formed in the outer side of the male connector, and a limiting mechanism is arranged between the groove and the female connector. Compared with the prior art, the fire hose has the following advantages and effects that by arranging the sealing mechanism, a tiny gap between the connecting male head and the connecting female head can be effectively filled through the expanded sealing air bag, the purpose of preventing fire fighting water from leaking from the connecting part under the pressure effect is achieved, and therefore the sealing performance and reliability of the fire hose during water passing are guaranteed, and the service life of the fire hose is prolonged. And a powerful guarantee is provided for smooth fire-fighting operation.

The invention discloses a vacuum pump fluid pipeline sealing connection structure, which relates to the technical field of pipeline connection and comprises a hard pipe, a flexible pipe, a connection mechanism and a sealing mechanism. The connecting mechanism and the sealing mechanism are arranged, the connector is connected with the hard pipe, the two hoops are connected to the outer wall of the first butt joint plate and the outer wall of the second butt joint plate in a sleeving mode, and the hard pipe and the connector are positioned; the hose is connected to the outer wall of the connector in a sleeving mode, the clamping blocks are displaced and inserted into the clamping grooves, and the hose and the connector are fixed; the rotating ring rotates to drive the extrusion block to move to press the hose on the outer wall of the connector, so that the sealing performance between the connector and the hose is improved; and the rotating ring rotates to drive the extrusion rod to move to extrude the second butt-joint plate, and the second butt-joint plate is tightly attached to the first butt-joint plate, so that the sealing performance between the hard pipe and the connector is improved, and connection and sealing operation between the hard pipe and the hose are facilitated.

The utility model relates to the technical field of gas pipelines, in particular to a variable-wave-pitch gas appliance connecting pipe. A variable-wave-pitch gas appliance connecting pipe comprises a corrugated pipe body, a coating layer and connector assemblies connected to the two ends of the corrugated pipe body. The corrugated pipe body is composed of a wide-wave-pitch section and two dense-wave-pitch sections, and the two dense-wave-pitch sections are connected to the two ends of the wide-wave-pitch section in the length direction respectively. The two ends of the variable-wave-pitch gas appliance connecting pipe are convenient to bend, the variable-wave-pitch gas appliance connecting pipe is convenient to install in a narrow space and a place where a pipeline needs to be bent, a connector is not prone to loosening after installation, the sealing effect is good, a right-angle elbow bent by 90 degrees does not need to be welded, cost is effectively reduced, a user can conveniently judge the position where the corrugated pipe is easy to bend, operation convenience is high, and practicability is high. The technical problems that when an existing corrugated pipe is installed in a narrow space, the end of the pipe needs to be bent in a hard mode, a connector is prone to loosening, the sealing effect is affected, and the cost is high when a 90-degree right-angle elbow is used are solved.

A deformable adapter sleeve 44 adapts a standard manifold connector designed for non-corrugated tubing to enable connection of a length of corrugated tubing to a manifold. The corrugated tubing has at least one corrugation groove. The deformable adapter sleeve comprises a main body 46 with an axially-extending bore 48 allowing the length of corrugated tubing 40 to be received within the deformable adapter sleeve, and a protrusion 52. The protrusion extends in a radial direction for insertion into a corrugation groove such that the diameter of the bore varies axially. The main body includes a deformable material which enables further insertion of the main body into the corrugation groove or a second corrugation groove by deformation of the main body. The main body further comprises a further material distinct from the deformable material. The further material is provided as a layer radially outwardly of the deformable material. A method of adapting a standard manifold connector designed for non-corrugated tubing for enabling a length of corrugated tubing to be connected to a manifold is also provided.

The utility model relates to the technical field of corrugated pipes, and discloses a high-flexibility corrugated pipe which comprises a corrugated pipe body, a corrugated pipe outer wall is fixedly connected to the side face of the corrugated pipe body, the side face of the corrugated pipe outer wall is corrugated, a corrugated pipe inner container is fixedly connected to the side face of the corrugated pipe outer wall, and the corrugated pipe inner container is fixedly connected to the side face of the corrugated pipe body. The side face of the corrugated pipe body is fixedly connected with a connecting device, and the side face of the connecting device is fixedly connected with an anti-skid connector. The resin outer layer, the polyethylene layer and the silica gel inner layer are adopted in the main pipe body, the flexibility is high, the gaps are formed between the adjacent corrugated rings, and therefore the corrugated pipe can be bent at will, the overall flexibility of the corrugated pipe is effectively enhanced through the combined structure of the corrugated pipe outer wall and the corrugated pipe inner container, and the service life of the corrugated pipe is prolonged. The corrugated outer wall design not only endows the corrugated pipe with greater deformability, but also can uniformly disperse stress when bearing external pressure, reduces the risk of rupture, and ensures the stability and safety of fluid or gas in the transmission process.

A drip irrigation lateral connector to a feeder pipe, a feeder pipe adapted for mounting those connectors and an irrigation system comprises a feeder pipe with those connectors and drip irrigation laterals that are mounted to those connectors by standard drip irrigation lateral connectors, wherein each of those connectors comprising a bushing and a sleeve element and wherein the sleeve is formed with a multi-armed circumferential array that are adapted for snap mounting of said sleeve into said bushing or disassembly from it by linearly pushing the sleeve towards the bushing or linearly retrieving the sleeve from the bushing while disconnecting the sleeve's multi-armed circumferential array from the bushing.

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.

A pipe joint of the present disclosure comprises: an outer joint pipe having a first inner peripheral surface portion on one side in an axial direction and a second inner peripheral surface portion on the other side in the axial direction, and allowing an outer peripheral surface of a pipe to be fitted onto the first inner peripheral surface portion from the one side in the axial direction; an inner joint pipe having a first outer peripheral surface portion on the one side in the axial direction that is fitted onto an inner peripheral surface of the pipe from the other side in the axial direction, a second outer peripheral surface portion that is fitted onto the second inner peripheral surface portion from the other side in the axial direction, and an end portion on the other side in the axial direction that is connected to a fluid device; an annular seal member that is installed on the first outer peripheral surface portion and seals a gap between the first outer peripheral surface portion and the inner peripheral surface of the pipe; a first restriction portion that restricts the pipe from moving toward the one side in the axial direction relative to the first inner peripheral surface portion by fitting the outer peripheral surface of the pipe on the first inner peripheral surface portion; and a second restriction portion that restricts the inner joint pipe from moving toward the other side in the axial direction relative to the second inner peripheral surface portion by fitting the second outer peripheral surface portion on the second inner peripheral surface portion.

The invention belongs to the technical field of hose assemblies, and particularly relates to a high-pressure-resistant assembly joint core tail. Comprising a core tail body, the core tail body comprises a connecting section and a connector section, a plurality of sealing grooves are formed in the outer arc side face of the connecting section of the core tail body in the axial direction, an O-shaped sealing ring and a memory alloy compensation ring are arranged in one sealing groove, and a glue injection hole is formed in the connector section of the core tail body. And a glue outlet hole is formed in each sealing groove, and a glue conveying hole channel formed in the side wall of the core tail body is connected between the glue injection hole and each glue outlet hole. The high-pressure-resistant assembly joint core tail has the advantages that the high-pressure-resistant assembly joint core tail has multiple sealing and anti-falling functions, and the sealing performance is stable.

An assembly for connecting a tube having a tube connector and a flow restricting orifice. The flow restricting orifice includes a tubular nozzle having an insert portion for insertion into a mouth of the tube connector and a visible marking having a marking element which extends radially outwardly from the tubular nozzle and which includes a frangible connection which is connected to the tubular nozzle and which has at least one predetermined breaking point. The frangible connection is configured to release the marking element when the frangible connection is broken before the tube is completely pushed onto the tube connector. The marking element is configured to be retained on the tube connector or on a tube connected to the tube connector to remain, wherein the flow restricting orifice is fitted in a mouth of the tube connector.

The invention relates to a press-fit joint. The press fitting may include a connector body and a press sleeve. The connector body includes a connection section and a retention section. The connection section is configured to receive a catheter. A press-fit sleeve may be crimped over the conduit and the connection section.