923results about "Pipe-joints" patented technology

The utility model relates to the technical field of nodular cast iron pipes, in particular to a socket type pipeline connector which comprises a socket, a spigot and a sealing piece, the socket comprises an annular sealing groove, an annular limiting part and a deflection groove which are coaxial, the annular limiting part separates the annular sealing groove and a conical groove, an annular retaining groove is formed in the annular sealing groove, and the deflection groove is formed in the spigot. An annular containing groove is formed by the distance between the annular retaining groove and the annular limiting part. The maximum-diameter port of the conical groove is connected with the annular limiting part; the inner diameter of the annular limiting part is smaller than the maximum inner diameter of the conical groove; the sealing piece comprises a hard rubber ring and a soft rubber ring, the outer ring of the hard rubber ring is arranged in the annular retaining groove, the outer ring of the soft rubber ring is tightly attached to the annular containing groove, the inner diameter of the hard rubber ring and the inner diameter of the soft rubber ring are smaller than the inner diameter of the annular limiting part, and the outer wall of the inserting opening is attached to the inner ring of the soft rubber ring in a sealed mode. Under the condition that the insertion depth of an insertion opening of an existing socket and spigot type pipeline connector into a deflection groove is the same, the deflection angle of the insertion opening in the deflection groove can be effectively increased.

The invention discloses a nozzle flow meter convenient to assemble and adjust and an assembling and adjusting method thereof, and belongs to the technical field of flow meters, and the nozzle flow meter convenient to assemble and adjust comprises two connecting pipes, a pore plate assembly and a connecting mechanism. Annular grooves are formed in the opposite ends of the two connecting pipes. The pore plate assembly is located between the two connecting pipes. According to the connecting mechanism, the first fixing ring, the second fixing ring and the tensioning assembly are arranged, the distance between the two connecting pipes can be changed by adjusting the tensioning assembly, the pore plate assembly can be easily clamped between the two connecting pipes, the assembling efficiency is improved, and the operation difficulty is reduced; and the pore plate assembly is detachably connected with the connecting pipe, so that the pore plate assembly can be conveniently maintained, repaired or replaced in the later period.

The invention discloses a novel plug-in type glass fiber reinforced plastic air duct, and relates to the technical field of glass fiber reinforced plastic air ducts. The novel plug-in type glass fiber reinforced plastic air duct comprises a duct body, a plug-in section is arranged at the left end of the duct body in a sealing and sliding mode through a piston ring, a clamping ring is fixed to the left end of the plug-in section, and a check ring is fixed to the inner wall of the duct body; the sealing adjusting assembly is mounted on the inner wall of the socket section through two sliding grooves; and the auxiliary dismounting assembly is arranged between the mounting frame and the sealing adjusting assembly. The sealing ring tightly attached to the outer wall of the inserting section is arranged on the inner wall of the socket section, so that the sealing performance of the inserting structure is improved; the sealing adjusting assembly is arranged, the sealing ring is opened in the inserting process of the inserting section, and the friction resistance during inserting is reduced; by arranging the inserting section capable of being adjusted in a sliding mode and the auxiliary disassembling assembly, the inserting section can be slidably contained in the barrel body during disassembling, the two ends of the middle-section glass fiber reinforced plastic air barrel and the other glass fiber reinforced plastic air barrel are not partially overlapped, and therefore the middle-section glass fiber reinforced plastic air barrel can be rapidly separated from the air barrels at the two ends, and the maintenance and replacement efficiency is improved.

The invention discloses a workshop air purification dehumidifier, and belongs to the technical field of dehumidification, the workshop air purification dehumidifier comprises a machine body, the machine body is provided with a through air cabinet pipe, the air cabinet pipe is internally provided with a ventilation pipe, one end of the air cabinet pipe is provided with a fan matched with the ventilation pipe, the other end of the air cabinet pipe is provided with an air inlet, and the air cabinet pipe is internally provided with a transition mechanism; and a pre-cleaning mechanism is arranged in the ventilation pipe. According to the device, through the passing groove defined by the air inlet and the adjusting blocks and the design of multiple sections of different diameters of the ventilation pipe, a section of Venturi pipeline with the inlet shrunk and then gradually enlarged is formed from the air inlet to the ventilation pipe, on the premise that the power of the fan is not increased, the air inlet flow is accelerated, kinetic energy is converted into negative pressure energy through the Bernoulli effect, and the energy efficiency is improved. The high-speed low-pressure area of the throat remarkably increases the suction force at the inlet of the air inlet, and the suction efficiency of heavy impurities such as water vapor suspended in a workshop is improved, so that the overall purification efficiency is improved.

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 belongs to the technical field of two-way pipes, in particular to a hot forging two-way pipe fitting, which comprises a two-way pipe main body, the bottom of the two-way pipe main body is communicated and fixed with a lower through pipe, and two ends of the two-way pipe main body and the bottom end of the lower through pipe are fixedly connected with first sealing rings. The movable ring is moved, the movable ring drives the connecting block to move through the flexible steel rope, the connecting block drives the clamping pin to slide on the fixing rod and compress the first spring, the mounting block on the second sealing ring is inserted into the cavity, and when one side of the first sealing ring makes contact with one side of the second sealing ring, force applied to the movable ring is released at the moment; when the pipeline is connected with the two-way pipe fitting, the first spring in a compressed state resets, the first spring drives the corresponding clamping pin to be clamped with the clamping groove, and therefore the pipeline and the two-way pipe fitting are connected, the moving ring is moved during disassembly and assembly, operation is simple and convenient in the disassembly and assembly process, and meanwhile through the arrangement of the first sealing ring and the second sealing ring, the sealing effect is good. And the stability and the sealing performance after connection are improved.

The disclosure relates to adapters, systems, and methods to connect a metal component and a ceramic component. The systems and methods generally include a metal header, a header seal and a zirconia toughened alumina (ZTA) header.

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.

Air guidance system for a vehicle, comprising at least two air guidance channels (1, 2) produced by a blow molding process or a 2-plate thermoforming process, wherein the air ducts (1, 2) overlap in a common connection area (3) such that a first connection section (4) of the first air duct (1) is enclosed by a second connection section (5) of the second air duct (2) and, wherein the connecting sections (4, 5) have corresponding polygonal cross-sections, and wherein the connecting sections (4, 5) are detachably connected to each other via at least one locking connection (6) provided in the connecting area (3), wherein the locking connection (6) is formed from a locking element (7) formed in the first connection section (4) and a counter-locking element (8) formed in the second connection section (5), wherein the connecting sections (4, 5) have corresponding polygonal cross-sections with at least two corners (9a, 9b, 10a, 10b, 11a, 11b, 12a, 12b), wherein the locking element (7) and the counter-locking element (8) are each arranged on at least one of the respective adjacent corners (9a, 9b, 10a, 10b) of the connecting sections (4, 5), characterized by the fact that in the common connection area (3) at least one additional stop system (13) is provided, consisting of a stop element (14) formed in the first connection section (4) and a counter-stop element (15) formed in the second connection section (5), wherein the stop element (14) and the counter-stop element (15) are also arranged on at least one of the respective adjacent corners (11a, 11b, 12a, 12b) of the connecting sections (4, 5), wherein the locking connection (6) and the stop system (13) are coordinated such that, after the locking connection (6) has engaged, the stop element (14) and the counter-stop element (15) define a final position of the locking connection (6) in order to prevent the locking connection (6) from over-engaging.

The utility model relates to the technical field of all-air air-conditioning systems, in particular to a novel all-air air-conditioning transmission and distribution pipeline system which comprises a variable-diameter pipeline joint connected with an air outlet of a unit, one end of the variable-diameter pipeline joint is connected with a first rectangular straight pipe, one end of the first rectangular straight pipe is connected with a transition assembly used for penetrating through a wall or a lintel, and the other end of the first rectangular straight pipe is connected with a second rectangular straight pipe. The transition assembly is connected to one end of a second rectangular straight pipe, the other end of the second rectangular straight pipe is connected with one end of a third rectangular straight pipe through a rectangular straight joint, and the other end of the third rectangular straight pipe is connected with a rectangular elbow. According to the novel all-air air conditioner transmission and distribution pipeline system, the purpose of reducing the pipe diameter can be achieved through connection among the square-to-round straight joint, the round straight pipe and the round-to-square elbow, damage of system construction to a building main body structure is reduced, construction accidents are avoided, and the construction efficiency is improved. And it can be guaranteed that air passing through the pipeline can carry enough cold and heat quantity and fresh air demand quantity, and it can be guaranteed that the cold and heat quantity value conveyed to each room is balanced.

Deformable Adapter Sleeve, Kit Comprising the Same, and Method of Use Thereof A deformable adapter sleeve (44;144) is provided for adapting a standard manifold connector (14) designed for non-corrugated tubing (12) to enable connection of a length of corrugated tubing (40) to a manifold (10). The length of corrugated tubing (40) has at least one corrugation groove. The deformable adapter sleeve (44;144) has a main body (46;146). The main body (46;146) has an axially-extending bore (48;148) and a protrusion (52). The axially-extending bore (48;148) enables the length of corrugated tubing (40) to be received within the deformable adapter sleeve (44). The protrusion (52) extends at least partially in a radial direction for insertion into the or a first corrugation groove such that the diameter of the bore (48;148) varies axially. The main body (46;146) includes a deformable material which enables further insertion of at least part of the main body (46;146) into the first corrugation groove or a second corrugation groove by deformation of the main body (46;146). The main body (46;146) further comprises a further material distinct from the deformable material. The further material is provided as a layer radially outwardly of the deformable material.

The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline connecting device which comprises a pipeline body, a clamping groove is formed in the pipeline body, two rotating shafts are rotationally connected into the pipeline body, connecting rods are connected to the outer surfaces of the two rotating shafts in a sleeved mode, and clamping blocks are fixedly connected to the opposite ends of the two connecting rods. The two clamping blocks are matched with the clamping groove, the spring is connected to the outer surface of the pipeline body in a sleeving mode, the sleeve is connected to the outer surface of the spring in a sleeving mode, and the sleeve is slidably connected to the outer surface of the pipeline body. The sleeve is driven to slide and reset through the acting force of the spring, the sliding base is pushed to the initial position through sliding of the sleeve, the pipeline body can be mounted and dismounted only by sliding the sleeve in the operation process, dismounting work does not need to be carried out with the help of extra tools, operation is easy and convenient, and practicability of the device is improved.

The utility model discloses an assembly type low-specific-friction low-air-leakage ventilation pipeline, and relates to the technical field of ventilation air pipes. The utility model comprises pipe joints which are spliced end to end; the pipe joint comprises an outer shell and an inner shell which are coaxially arranged in a sleeved mode, and the inner wall of the outer shell is attached to the outer wall of the inner shell. A first annular groove surrounding the axis of the outer shell is formed in the middle section of the inner wall of the outer shell, second annular grooves surrounding the axis of the outer shell are formed in the two ends of the inner wall of the outer shell, and one side of each second annular groove penetrates through the end of the outer shell. A cooling filling cavity is formed between the outer wall of the inner shell and the first annular groove in a surrounding mode, the outer wall of the inner shell and the two second annular grooves form a first sealing filling cavity and a second sealing filling cavity respectively, and the first sealing filling cavity and the second sealing filling cavity of the other pipe joint are spliced to form a sealing cavity. The purposes that the air pipe can be conveniently assembled, the sealing performance is excellent, and meanwhile the air pipe has low specific friction resistance and good flame retardant performance are achieved.

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.

The invention relates to the technical field of mechanism design, and discloses a case of a server, a liquid cooling system and a cabinet. The case of the server comprises a case body, a cover plate is arranged on one side of the case body and comprises a cover plate main body and a sub-cover body, a notch is formed in the side, close to a rear window of the case body, of the cover plate main body, the sub-cover body is detachably arranged at the notch, and the distance between the sub-cover body and a first wall of the case body is larger than the distance between the cover plate main body and the first wall. The first wall is opposite to the cover plate; and the liquid cooling blind plug is arranged at the rear window of the box body, is positioned between the sub-cover body and the first wall, and can float along the radial direction and / or the axial direction of the liquid cooling blind plug. According to the case provided by the embodiment of the invention, the risk that the liquid cooling blind-plug connector collides with the cover plate of the case body in the floating process can be reduced, the floating range of the liquid cooling blind-plug connector is enlarged, the connection between the liquid cooling blind-plug connector and the fluid connector on the cabinet is more reliable, and the structural strength of the rear window of the case body and the cover plate main body can be improved.

The invention belongs to the technical field of ceramic connection, and discloses a silicon carbide pipe sealing connecting piece for laser-assisted high-entropy glass connection and a preparation method and application thereof. According to the method, silicon oxide, aluminum oxide, titanium oxide, iron oxide and rare earth oxide which are equal in mole are subjected to planetary ball milling, rotary evaporation, drying and sieving to prepare solder powder. And slurry obtained by mixing an isobutylene maleic anhydride polymer 104 aqueous solution and solder powder is added from the other end assembled by the silicon carbide cladding tube and the end plug, and a to-be-connected piece is obtained. And placing the to-be-connected piece in laser equipment, heating the connection part through laser in different atmospheres until the connection part is molten, and rapidly cooling to obtain the high-entropy glass connected silicon carbide pipe sealing connection piece. The connecting layer of the connecting piece is compact, the connecting piece is tightly combined with the silicon carbide cladding pipe and the end plug of the silicon carbide cladding pipe, the connecting piece has good corrosion resistance and sealing performance, high mechanical strength is kept at 800 DEG C, and the connecting piece can be applied to the field of silicon carbide ceramic cladding end plug sealing.

The invention relates to the technical field of pressure testing devices.The embodiment of the invention provides a pressure testing device and method.The pressure testing device of the pressure container comprises a connecting cylinder, a moving plate, a pushing assembly, a supporting assembly and a plugging assembly, and the connecting cylinder is welded and fixedly installed at a pressure testing opening of the pressure container; the moving plate is slidably installed in a sliding groove of the pressure test plate, the pushing assembly is arranged on the side face of the pressure test plate, a pressure test assembly is arranged on the pushing assembly through the moving plate, the pushing assembly is used for pushing the pressure test assembly into a pressure container, the supporting assembly is arranged on the pushing assembly, and the plugging assembly is arranged on the supporting assembly and used for plugging a gap. According to the technical scheme, the technical problem that in the prior art, when over-pressure testing is carried out on the pressure vessel and the connecting pipe is installed on the pressure vessel, a plurality of bolts need to be installed when flange connection is carried out, and consequently the process is tedious is solved.

The invention discloses a light-weight corrosion-resistant prestressed concrete cylinder pipe which comprises a steel cylinder, a UHPC pipe core, a BFRP prestressed tendon layer and a mortar protection layer. The two layers of UHPC pipe cores are respectively positioned on the two sides of the steel cylinder; the BFRP prestressed tendon layer is fixed through a split type basalt anchoring device, and the anchoring device comprises an inner layer BFRP-RPM embedded part and an outer layer epoxy resin grouting layer. Variable cross-section thickness distribution is designed in the axial direction of the UHPC pipe core, the end thickness # imgabs0 # of a bell and spigot is 60-80 mm, and the middle thickness # imgabs1 # of the bell and spigot is 40-50 mm; bFRP prestressed tendons are adopted to replace traditional high-strength prestressed steel wires. The BFRP material has excellent corrosion resistance and can keep stable performance in a chloride ion corrosion environment, so that the problem of wire breakage caused by corrosion is avoided, the corrosion resistance of the pipeline is remarkably improved, and the service life of the pipeline is prolonged.

A connector includes a connecting body with a fluid passage at least part way therethrough, and a seal is provided with an outer portion of a fluid tube. A cartridge proximate to the connecting body has a hollow portion therethrough. A grab part has at least one tooth to retain the fluid tube and is between the cartridge and the seal. A demount part within the hollow portion moves the teeth to allow release of the fluid tube. A latch is located on one of the connecting body or a sleeve covering at least part of the cartridge or the connecting body. A mating catch is located on the other of the sleeve or the connecting body, and engagement of the latch with the catch connects the sleeve to the connecting body and helps restrain cartridge movement.

A method of installing a hose is provided. A length of the hose is determined to mount between a first liquid connector and a second liquid connector. An interval connector is identified that is a greater distance than the length from a fixed connector mounted to a first end of the hose. The fixed connector mounts to the first liquid connector, and a removable connector mounts to the second liquid connector. A tube of the hose is cut at a connection end of the identified interval connector. The tube is also cut at a connection end of the removable connector. The connection end of the identified interval connector is mounted to the connection end of the removable connector to form a shortened hose.

To provide a technology capable of removing static electricity from the entire fluid while keeping pressure loss of fluid in a pipe low.SOLUTION: A static eliminator is an instrument used to remove static electricity from fluid in a pipe, and comprises a static elimination rod. The static elimination rod is made of conductive resin, is a member that does not allow fluid to pass through, is grounded, and is arranged in a flow path in the pipe so as to intersect with a center part of the flow path. The static elimination rod includes a cavity at a position where it intersects with the center part of the flow path. The cavity passes through the static elimination rod parallel to a direction of the flow path.SELECTED DRAWING: Figure 3

A fitting for use with metal, corrugated tubing having peaks and valleys includes a nut configured to receive the tubing; a sealing member for placement in a valley of the tubing, the sealing member including a sealing surface; an adaptor configured to engage the nut, the adaptor including an adaptor sealing surface; and an anti-tamper sleeve configured to encompass the nut and adaptor; wherein upon assembly, the tubing is compressed between the adaptor sealing surface and the sealing surface.

A system includes a bracket and a connector. The bracket includes a first base and a first annulus. The first base includes a first attachment feature, and the first base is configured for attachment to a first surface. The first annulus is connected to the first base and includes a first plurality of interior ribs. The connector includes a trunk and a first ridge band. The trunk has first and second ports at opposite ends thereof. The first ridge band is disposed on the trunk and includes an annular ridge; a plurality of dentils extending from the annular ridge and toward one of the first and second ports; and a gap between adjacent dentils of the plurality of dentils, wherein the gap is configured to accept one of the first plurality of interior ribs of the bracket. A method of mounting a conduit on a surface is also described.

The invention relates to an electric heat tracing pipe convenient to connect, and relates to the technical field of heat tracing pipes, the electric heat tracing pipe convenient to connect comprises a group of annular plates, an inner pipe and an outer pipe are fixedly arranged between the annular plates, the outer pipe sleeves the inner pipe, an electric heating layer is arranged between the outer pipe and the inner pipe, an insulating sleeve is detachably arranged on the annular plates, the insulating sleeve and the inner pipe are communicated with each other, and the electric heating layer is arranged between the outer pipe and the inner pipe. A sealing assembly is arranged between the insulating sleeve and the inner pipe, the sealing assembly is used for sealing the insulating sleeve and the inner pipe, a series connection assembly and a parallel connection assembly are arranged in the insulating sleeve, the series connection assembly is used for connecting the electric heating layers which are oppositely arranged in series, and the parallel connection assembly is used for connecting the electric heating layers which are oppositely arranged in parallel. The electric tracing pipe connecting structure has the effects of facilitating connection of the electric tracing pipe and reducing the circuit laying work amount.

The utility model provides a multi -section type prevents and arranges smoke air pipe, including galvanized air pipe, the both ends of galvanized air pipe are installed and air pipe fixed end board no.

The utility model discloses a civil engineering air duct and air pipe connecting joint which comprises an installation groove formed in the top of a civil engineering air duct, a T-shaped embedded part is fixedly installed on the installation groove, and a first heat-resisting sealing part is arranged between the T-shaped embedded part and the installation groove. A reducer pipe is detachably installed in the T-shaped embedded part, and an air pipe is fixedly installed at the top of the reducer pipe in a sealed mode. The joint has high connection leakproofness, is simple and compact in structure, facilitates construction and installation operation, reduces operation time and construction cost, and is high in structural stability after connection and wide in application prospect.

The utility model belongs to the technical field of automobile pipeline air tightness inspection, and particularly relates to automobile pipeline air tightness inspection equipment which comprises an inflator with moving wheels, and a first joint and a second joint which are used for plugging two ends of an automobile pipeline are arranged on the inflator. The first connector and the second connector are each provided with an annular air bag used for expansion sealing, a first inflation pipe and a third inflation pipe which are used for connection are arranged between the two annular air bags and the inflator, and an inspection area used for air tightness inspection is formed among the first connector, the second connector and the automobile pipeline. The annular air bags are additionally arranged on the first connector and the second connector, the first connector and the second connector can be rapidly and stably clamped at the end of the automobile pipeline through the annular air bags, the speed of connecting equipment with the automobile pipeline is increased, and meanwhile the sealing performance of connection between the connectors and the automobile pipeline is improved.

To provide a medical tube for a humidification system for respiration.SOLUTION: A medical tube comprises a tail to connect an embedded wire to an electrical component. The tail may include a flattened portion and an exposed portion to facilitate attachment of the medical tube to an electrical component. The tail may include a second flattened portion. One or more wires, such as a heater wire or a sensor wire, may be embedded in the medical tube. The medical tube may include a connector that comprises a printed circuit board to which the one or more wires are attached. The connector may include features to support the printed circuit board, aid in assembly of the one or more wires to the connector, and protect electrical components against liquid ingress.SELECTED DRAWING: Figure 1

A connection device includes a base body with a hose-receiving region, wherein a seal-receiving region is formed in the hose-receiving region and wherein a collet-chuck-receiving region is formed in the hose-receiving region, a collet chuck with a connection opening for receiving a line-shaped component, the connection opening having a connection opening diameter, the collet chuck having elastically resilient clamping elements distributed over the circumference, the collet chuck being received in the collet-chuck-receiving region so as to be displaceable in the axial direction relative to the base body, the clamping elements being displaceable in the radial direction by axial displacement of the collet chuck relative to the base body, a sealing element, which is arranged in the seal-receiving region and forms a seal between the line-shaped component and the base body. The connection device is configured to receive line-shaped components with different line diameters.