1837results about "Hose connections" patented technology

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 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.

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 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 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.

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.

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 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 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 recreational vehicle waste delivery system with lengths of 3D cylindrical non-flexible tube and of 3D cylindrical flexible-tube, a first-coupler and, a second-coupler. The first coupler, the at least one flexible-tube, the second-coupler and the at least one flexible-tube in combination are able to be removably couplable modularly in series to provide an adjustable, modular waste management system for delivering waste from an rv to an in-ground sewer connection when engaged with a disposal fitting of the rv.

A hose protection device has an inner tube (1) and an outer sleeve (2). One end of the inner tube (1) is connected to a hose (3). Another end of the inner tube (1) is connected to a connector (4) configured for connecting a water gun nozzle. The outer sleeve (2) is fitted on and rotatably connected to the inner tube (1). The hose protection device has the effect of towing the hose (3) easily.

The utility model relates to the related technical field of gas connectors, and provides a direct insertion type gas hose connector with a gas leakage prevention structure. The direct insertion type gas hose connector comprises a connector body and a gas hose, the gas hose is arranged at one end of the connector body in a sleeving mode, and an outer sleeve layer is arranged outside the connector body; the pressing and sealing assembly is arranged between the connector body and the outer sleeve layer, the reinforcing and supporting assembly is arranged outside the outer sleeve layer, the pressing and sealing assembly comprises an outer thread layer, the outer thread layer is arranged outside the connector body, an outer ring groove is formed in the surface of the connector body, and the outer sleeve layer is connected to the outer thread layer in a screwed mode through threads. By means of the technical scheme, the technical problems that in the prior art, due to movement of equipment and vibration of a pipeline, a connector is loosened, the sealing effect is greatly reduced, due to temperature change, a hose and a connector material are shrunk or expanded, and a sealing structure is damaged are solved.

An irrigation fitting comprises a first fitting branch and a second fitting branch. The first fitting branch comprises a first planar region and a second planar region. The second fitting branch comprises a third planar region and a fourth planar region. The first planar region and the third planar region jointly comprise a first curved concave edge and a second curved concave edge. The second planar region and the fourth planar region jointly comprise a third curved concave edge and a fourth curved concave edge.

One aspect of the disclosure is a method of attaching a hose coupling to a reinforced hose. In one embodiment, the method comprises: skiving the first end of the reinforced hose to expose at least one reinforcing layer of a plurality of reinforcing layers of the reinforced hose; positioning the skived first end of the reinforced hose in an inner cavity of the hose coupling; introducing a vacuum into the inner cavity through a vent port in the hose coupling; and introducing a bonding agent into the cavity through an injection port in the hose coupling, wherein the bonding agent is drawn by the vacuum into the plurality of reinforcing layers of the reinforced hose.

The invention relates to the technical field of flexible connecting pipelines, and discloses an asymmetric net sleeve metal hose and a forming method thereof.The asymmetric net sleeve metal hose comprises a corrugated pipe, the two ends of the corrugated pipe are fixedly connected with connecting pipes correspondingly, the outer side of the corrugated pipe is wrapped with a woven net sleeve, and the two ends of the woven net sleeve are fixedly connected with connecting rings correspondingly; the connecting ring is fixedly connected with the connecting pipe, and the woven mesh sleeve is of an unbalanced woven structure. The bending fatigue life of the metal hose is prolonged, the minimum bending radius is reduced, the self-supporting capacity of the metal hose in the specific direction is improved, and the application range of the metal hose is expanded.

The invention discloses a FanERC ship filling active safety disengaging device which comprises a left valve body, a right valve body and an air inlet connector, the left valve body and the right valve body are fixedly connected through a breaking bolt, a sealing cavity is formed in the connecting position after the left valve body and the right valve body are connected, and the air inlet connector is fixedly arranged on the left valve body and communicates with the sealing cavity. The gas inlet connector is connected with a nitrogen releasing device, after the nitrogen releasing device receives a releasing signal sent by the main control system, the nitrogen releasing device releases high-pressure nitrogen, the high-pressure nitrogen enters the sealing cavity through the gas inlet connector, the breaking bolt is thrusted and broken through high pressure, the left valve body and the right valve body are separated, and the left valve body and the right valve body automatically achieve self-sealing. The active separation mode does not need to depend on too large tension borne by the pipeline to break the bolt, impact and damage of the tension to the LNG conveying pipeline, the filling hose and other equipment can be reduced to the maximum extent, the LNG leakage risk caused by pipeline damage is reduced from the source, and the service life and safety of filling operation related equipment are guaranteed.

The invention discloses a composite hose structure for fuel gas transmission, and relates to the technical field of fuel gas transmission and distribution equipment, the composite hose structure comprises a dual-mode quick sealing assembly, dual-mode monitoring is formed by an FBG sensor, a phase-sensitive optical time domain reflectometer and a carbon tube composite filament, the FBG sensor can capture fine strain of a reinforced fiber layer in real time, and the phase-sensitive optical time domain reflectometer can capture the fine strain of the reinforced fiber layer in real time; the phase-sensitive optical time domain reflectometer detects and captures stress waves generated by crack propagation in a material through broadband sound waves, early recognition of millimeter-level damage in a pipe is achieved, grids woven by carbon tube composite filaments are utilized, continuity of the grids is monitored in real time through alternating-current impedance measurement, and the detection accuracy of the millimeter-level damage in the pipe is improved. When local grid resistance is increased due to breakage of the reinforced fiber layer, a micro-damage area can be accurately positioned, when leakage occurs, the memory alloy spring receives an electric signal monitored by a dual-mode, then axial thrust is generated to push the outer side of the fluororubber sealing ring, the fluororubber sealing ring expands in the radial direction under the thrust action of the memory alloy spring, and the leakage is prevented. And rapid and effective mechanical hard sealing is realized.

The utility model relates to a high-pressure flexible hose assembly for fracturing operation. The high-pressure flexible hose assembly comprises a connector and a hose. Wherein the joint comprises an inner core body and a middle sleeve, and the hose comprises an inner rubber layer, a steel wire winding layer and a UPE wear-resistant sealing layer; the first end of the inner core body penetrates into an inner hole of the hose from the end of the hose, and the middle sleeve located on the outer side of the inner core body is connected with the outer side of the steel wire winding layer in a buckling and pressing mode. The inner rubber layer located on the inner side of the steel wire winding layer is connected with the first sealing section of the inner core body in a sealed mode, and the UPE abrasion-resistant sealing layer located on the inner side of the inner rubber layer is connected with the second sealing section of the inner core body in a sealed mode. Compared with the prior art, according to the technical scheme, the sealing performance and the abrasion resistance of the hose can be effectively improved in a double-section sealing mode, so that the service life is prolonged, and the leakage risk is reduced.

The invention relates to the technical field of tunnel construction, in particular to a curtain grouting device for tunnel water stopping, which mainly comprises a machine body and further comprises an adjusting mechanism arranged on one side of the machine body and a fixing mechanism arranged on one side of the machine body. By screwing a nut, controlling the position of an adjusting block and fixing the adjusting block, the adjusting block drives an adjusting column and a fixing strip to rotate by a certain angle through an adjusting groove, drives a fixing block and an arc-shaped plate to rotate by a certain angle, loosens a hose, drives a connecting sleeve and a fixing rod to rotate by a certain angle, and the fixing rod moves into the inner wall of the arc-shaped plate and drives a cylinder to move into the inner wall of a mounting groove; the clamping column and the clamping groove are clamped to fix the cylinder and further fix the connecting sleeve, so that a certain angle is formed between the connecting sleeve and the fixing sleeve, the hose and the grouting head are connected by a certain length and are in an arc-shaped bent state, it is guaranteed that the joint of the hose and the grouting head cannot be bent by a large angle to be damaged, and slurry on the inner wall of the hose smoothly circulates; and therefore, the grouting efficiency and quality are improved.

The utility model relates to the technical field of flexible rubber hoses, in particular to a foaming flexible rubber hose. According to the technical scheme, the sealing assembly comprises a first threaded connector, a rubber hose, a buckle ring and an attaching block, the rubber hose is fixedly installed at the position, close to the end, of the inner wall of the first threaded connector, and the buckle ring is fixedly installed at the position, close to the end, of the outer arc face of the rubber hose; the inner wall of the second threaded connector is slidably connected with two attaching blocks which are symmetrically arranged, and the side portions of the buckle rings make contact with the attaching blocks. A first threaded connector is fixedly installed at the end of the main foaming hose, and the outer wall of the first threaded connector is in threaded connection with a second threaded connector. When air flows, the air applies pressure to the inner arc surface of the rubber hose to enable the rubber hose to be attached to the inner arc surface of the attaching block, and the clamping ring and the attaching block clamp the extending rubber sheet, so that the air is prevented from flowing to the joint of the first threaded joint and the second threaded joint, and the sealing effect is improved.

This can help prevent medical tubing from becoming blocked when it is being installed. [Solution] A tube connector for connecting a medical tube to a medical device, comprising a female member into which the medical tube is inserted, a male member 22 that screws into the female member, and an O-ring housed in the female member and deforming as the male member 22 screws into the female member, thereby fixing the medical tube 11, wherein the male member 22 has a pressing portion 42 that presses the O-ring as it screws, and the pressing portion 42 has a plurality of pressers 51 arranged at predetermined intervals in the circumferential direction.

The utility model provides a quick connector of a fuel gas corrugated pipe, and belongs to the technical field of fuel gas pipelines. The problem that potential safety hazards exist when an existing quick connector is used is solved. The quick connector of the fuel gas corrugated pipe comprises a locking nut, a connector body, a sealing gasket and a clamping piece, the sealing gasket is arranged at the end, facing the locking nut, of the connector body, the inner side of the locking nut is provided with an annular protruding shoulder, the clamping piece is arranged between the sealing gasket and the protruding shoulder, and the inner side of the clamping piece is provided with a clamping part protruding inwards. The quick connector of the fuel gas corrugated pipe further comprises an annular insulating ring made of insulating materials, the insulating ring is arranged on the outer side of the clamping piece in a sleeving mode, the outer side face of the insulating ring can abut against the inner wall of the locking nut, and the end, facing the protruding shoulder, of the insulating ring is provided with an annular blocking edge protruding inwards. And the blocking edge is positioned between the clamping piece and the convex shoulder. The quick connector of the fuel gas corrugated pipe can effectively avoid potential safety hazards.

A coupling for a tube includes an attachment and a housing. The attachment is attached to the tube and has a barrel-shaped exterior surface. The housing contains the barrel-shaped exterior surface such that the attachment is rotatable in the housing while not being removable from the housing. The coupling thereby allows easy rotation of the tube within the coupling. The coupling may be utilized to attach the tube to another tube or to another structure.

An end fitting for connecting two sections of pipe to one another can comprise a first tubular member, and a second tubular member disposed coaxially about the first tubular member to delimit an annular gap therebetween for receiving an end portion of a pipe. A sleeve can be disposed coaxially about the first tubular member and within the annular gap such that a pressurised medium is receivable between the sleeve and one of first and second tubular members to move at least a portion of the sleeve radially and thereby clamp the end portion of the pipe between the first and second tubular members when received in the annular gap. The end fitting may have particular application in conveying oil and gas field fluids, including hydrocarbon fluids.

A pipe fitting (100) includes a tubular connecting part (101); the tubular connecting part being configured to be inserted into an expanded pipe end section (111) of a pipe (110) having a first circumferential intact sealing region (113) on the inner surface (112) of the pipe end section (111); the tubular connecting part comprising a first radially outwards extending circumferential sealing barb (105′) positioned for engaging, when in use, with the first circumferential intact sealing region during shrinkage of the pipe end section for forming a sealing between the pipe fitting and the pipe.

The present invention provides a tube connector and a tube with a connector that facilitate the screwing of a second member onto a first member. [Solution] A tube connector 12 for connecting a medical tube 11 to a medical device D, comprising a female member 21 into which the medical tube 11 is inserted, a male member 22 that screws into the female member 21, and an O-ring 23 housed in the female member 21 and deforming as the male member 22 is screwed into the female member 21, thereby fixing the medical tube 11, wherein screwing gripping portions 37 and 62 for screwing the male member 22 into the female member 21 are formed on the outer circumferential surface 61 of the female member 21 and the outer circumferential surface 36 of the male member 22 at positions spaced apart from the ends on the adjacent sides of each other.