878results 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 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 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 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 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 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.

A coupling structure includes: a grommet having a tubular part; and a corrugated tube that is to be inserted into the tubular part. The corrugated tube alternately has a crest part and a trough part. The tubular part has a plurality of projection parts each provided to protrude to be annular on an inner circumferential surface, and an annular recess part provided on the inner circumferential surface and alternately disposed with the projection part. The projection part is provided so as to have a larger pitch than the trough part.

This application discloses a prefabricated installation structure for metal ducts, belonging to the technical field of pipe connection structures. It provides a prefabricated installation structure for ducts with better connection flatness, including a bridging component connecting adjacent ducts. The bridging component includes an inner frame and an outer frame. A narrowing frame is provided between the outer wall of the inner frame and the inner wall of the outer frame. Embedded grooves are formed between the two end faces of the narrowing frame and the outer walls of the inner and outer frames. A pressing component is fixedly connected to a pair of opposing outer sides of the outer frame. The duct has an outwardly extending side plate on the side perpendicular to the pressing component. A snap-fit ​​component is fixedly connected to the outer frame on the side perpendicular to the pressing component. This invention, by providing a pressing component structure on opposing sides and applying pre-pressure, can better keep adjacent ducts in the same extension direction. Combined with the bridging component embedded in the duct end structure, the connection ends of the duct units can be kept flush, effectively reducing the light transmission probability at the connection point and effectively improving airtightness.

The utility model discloses a rectangular discharge flue connecting device, and relates to the technical field of smoke discharge pipeline connection. The first connecting mechanism is used for being detachably connected with the pipe wall at the bottom end of an upper pipeline; the second connecting mechanism is detachably connected with the top end pipe wall of the lower pipeline; the connecting mechanism is provided with a communicating hole, and the two ends of the connecting mechanism are connected with the first connecting mechanism and the second connecting mechanism correspondingly; the upper pipeline is communicated with the lower pipeline through the communicating hole; the problems that an existing flue connecting device needs secondary construction, supporting and connecting of a connecting pipeline are difficult to achieve, and stability is poor are solved.

The utility model provides an oil pipe joint auxiliary installation structure which comprises a first joint mechanism, a second joint mechanism and an auxiliary installation mechanism, the first joint mechanism comprises a corrugated pipe, a first connector, a limiting cap, a first spring, a sealing block, a second spring, a ball body, a sealing block and a third spring, and the second joint mechanism is sleeved with the first joint mechanism. And an auxiliary mounting mechanism is arranged between the first connector mechanism and the second connector mechanism, and the position of the thread cone can be flexibly adjusted through the design of a limiting ring, a sliding rod and a fixing ring in the auxiliary mounting mechanism. According to different installation scenes and oil pipe directions, the relative position of the thread cone and the second connector can be accurately adjusted by sliding the position of the fixing ring on the sliding rod, installation operation is convenient, and the installation accuracy and efficiency are improved.

Disclosed is an isolator for an aircraft fuel tank, the isolator configured to isolate a conductive interior panel of the fuel tank from a conductive duct passing through the panel. The isolator comprises: a plurality of first attachment points for attaching the isolator to the panel; a plurality of second attachment points for attaching the isolator to the duct; and an aperture defined by an outer wall and extending from a first side of the isolator to a second side of the isolator, the aperture configured to receive the duct in use; wherein the isolator comprises a non-conductive material. Also disclosed is an isolation system, an aircraft and a method of isolating a conductive interior panel or an aircraft fuel tank from a conductive duct passing through the panel.