77results about "Pipe-joints" patented technology

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.

A connector for connecting a gas pipe and a heating component of a wire bonder includes a first connection end for connecting the connector to the heating component, and a second connection end for connecting the connector to the gas pipe. A heat-insulation tube is connected between the first connection end and the second connection end. The heat-insulation tube is made of a heat-insulation material and configured to insulate or reduce heat transfer between the first connection end and the second connection end. The connector may further include a first fastening sleeve for fastening the connection between the first connection end and the heat-insulation tube, and a second fastening sleeve for fastening the connection between the second connection end and the heat-insulation tube.

The utility model discloses a kind of outer braiding silica gel tube structures in the field of silica gel tube, with silica gel inner tube as foundation, outer side is successively coated with antistatic layer and braiding layer, antistatic layer can promptly guide away electrostatic that pipe body surface accumulates, avoid static harm;Braiding layer then enhances the overall compressive strength, effectively resist external pressure, prevent silica gel tube deformation.In the end of silica gel tube, metal sleeve ring is connected and covers pressure in braiding layer outer side, can prevent end appear warped edge, delamination etc. Phenomenon, guarantee the structural integrity of silica gel tube.Simultaneously, the outer thread body of metal sleeve ring outer side and the internal thread body of metal head clamping groove inner wall mutually cooperate, realize firm connection;Metal head is equipped with grounding end, can form static electricity release passage, further strengthen the antistatic performance of this silica gel tube.This structure is in antistatic, pressure resistance and structural stability aspect with ingenious stratified design and end connection structure, and it is applicable to the application scene of higher requirement to electrostatic protection and structural strength.

The present invention relates to a connection device between two microchannels or two millichannels of two fluid elements, comprising complementary means for holding the device, having at least one of the two fluid elements. The present invention also relates to a microfluidic or millifluidic chip, comprising a connection device between the microchannels or millichannels of the chip and the microchannels or millichannels of the fluid element. Finally, the present invention relates to a connection device between two microchannels or two millichannels of two fluid elements, comprising complementary means for holding the device, having at least one of the two fluid elements.

The coupling arrangement (2, 36) for a fluid connection in a vehicle has two fluid coupling parts (4A, 4B), each with a fluid channel (14) for a fluid, wherein a slotted diaphragm (18) is installed in each fluid channel (14), and each diaphragm (18) closes the respective fluid channel (14) at its end when coupled, allowing fluid flow only when a predetermined fluid pressure is exceeded. This provides drip protection when the coupling arrangement is disconnected.

The application provides a method for sealing a pipe joint by using an air bag, comprising the following steps: installing a manhole; inserting one end of a pipe into a reserved opening of the manhole and sealing by using a first air bag to form a first filling cavity between the pipe and the reserved opening; connecting a socket end and a spigot end of the pipe and sealing by using a second air bag to form a second filling cavity between the socket end and the spigot end; injecting sealing slurry into the first filling cavity and the second filling cavity; and extracting the first air bag and the second air bag after the sealing slurry solidifies. The method has the beneficial effects of effectively compensating for geometric deviation of the pipe joint, improving sealing reliability and anti-permeation performance, being convenient for construction and repeatable operation, being suitable for various pipe diameters and complex working conditions, significantly improving safety and durability of the pipe system in operation, and improving engineering quality.

A flexible plastic hose comprising a flexible hose wall formed of a helically wound ribbon and a helical outer support rib, and a plurality of conductors helically disposed within said support rib, wherein adjacent windings of the ribbon are attached to each other by means of a weld material such that an elongate tubular body is formed having a substantially smooth bore, wherein the support rib is positioned on top of the weld material and comprises a lower rib portion, comprising a plurality of grooves wherein the conductors are disposed, and an upper rib portion on top of the lower rib portion and the conductors, and wherein the weld material attaches the lower rib portion on the tubular body.

A coupler (10) comprises a first end (14) for receiving a pipe section and a second end (16); and an insertion indicator (30) located between the first end (14) and the second end (16). The insertion indicator (30) comprises a rigid part (32) at least partially surrounded by flexible material (35), and the rigid part (32) flexes outward upon insertion of a pipe into the coupler (10).

This utility model discloses an adjustable plastic pipe reducer connector, including a connector body and an inlet connector. One end of the connector body is connected to the inlet connector, and the other end of the connector body is connected to a fixed pipe. An mounting block is fixedly installed on the outer surface of the fixed pipe, and the end of the fixed pipe away from the connector body is connected to an outlet connector. This utility model, through the cooperation of components such as the connector body, inlet connector, fixed pipe, mounting block, outlet connector, connecting pipe, connecting groove, sealing sleeve, positioning block, positioning rod, and limiting ring, achieves the function of adjusting the reducer connector. It improves the setting method of reducer connectors in the prior art, allowing for the replacement and adjustment of the outlet connector. By replacing and adjusting the outlet connector, the reducer connector can be adapted to the pipe after the diameter change, improving the applicability of the reducer connector.

A well completion pipe has a plurality of pipe joints, each comprising an outer pipe, and an inner pipe disposed inside the sleeve. The inner pipe extends longitudinally beyond a respective longitudinal end of the outer pipe or the outer pipe extends longitudinally beyond a respective longitudinal end of the inner pipe. The inner pipe and the outer pipe comprise respective threaded connections at each longitudinal end. The respective threaded connections form a metal to metal seal when engaged to corresponding mating threads. An intermediate layer in the form of a sleeve is disposed between the outer pipe and the inner pipe and defines a passageway that is pressure isolated from the interior of the inner pipe and extends longitudinally between respective longitudinal ends of the inner pipe and the outer pipe, the passageway being exposed at each longitudinal end of the intermediate layer.

The utility model discloses a kind of multifunctional three-way pipe fittings, comprising: pipe body, connecting assembly and filter assembly, the pipe body is Y type setting, the pipe body is connected with external pipeline by the connecting assembly, the filter assembly is set in the pipe body inside. Through the application of the utility model, a kind of multifunctional three-way pipe fittings is presented, which can not only be flexibly adapted to different pipe diameters, thereby facilitating the installation process, different pipe diameter connection is conveniently and quickly completed, but also by setting first regulating valve and second regulating valve to realize the accurate adjustment of each branch flow, which is conducive to meeting the precise flow distribution demand of industrial production, fine irrigation and other scenarios;In addition, the three-way pipe fittings is also provided with filter assembly, which can effectively intercept impurities and protect downstream equipment.

The utility model provides a quick -plug formula microtubule reducing joint of sealing structure area belongs to precision instrument technical field. Including the connector, still including the reinforcement subassembly, reinforcement subassembly includes setting up the support pipe of connector one side, the one side of support pipe all is seted up with the sliding slot, the inside of sliding slot is provided with the rolling ball and slides, the one side of support pipe is provided with the connecting soft pad, reinforcement subassembly at the time of use, support pipe plays the basic support effect, sliding slot provides the sliding space for the rolling ball, and the rolling ball can be in the flexible movement in the groove, be used for adjusting position, and the connecting soft pad can enhance the sealing property in the connection, reduce the attrition between parts, thereby make the whole reinforcement subassembly realize the effect of firm connection and good sealing in use, the connecting pipe's fixed groove and the connecting soft pad of support pipe joint, enhance the connection sealing property, the connecting pipe slot place is equipped with the rotating shaft, and the shaft interlocking block can rotate around the shaft, and the spring piece of slot place connects the interlocking block, provides the elasticity.

The utility model belongs to pipeline connection technical field, concretely relates to a stainless steel reducing straight through, including first half straight through and second half straight through that are mirror image each other, one group of connecting plates are integrally formed in first half straight through and second half straight through both sides, are provided with connecting structure on connecting plate, first half straight through and second half straight through are formed through connecting plate cooperation connecting structure and are spliced and form reducing straight through structure, when first half straight through and second half straight through splice, the section of rubber capsule located outside accommodating groove is just inserted in sealing groove, when fluid enters reducing straight through structure, fluid can enter rubber capsule through through -hole and extrude rubber capsule inflation, make rubber capsule outer wall and sealing groove inner wall closely fit, and the greater fluid pressure, rubber capsule and sealing groove inner wall fit more closely, realize the sealing of the connecting place of first half straight through and second half straight through, avoid the problem that fluid is easy to leak from the connecting place of first half straight through and second half straight through when fluid pressure is bigger as far as possible.

The application discloses a pipe assembly, a device containing the pipe assembly and a heating and ventilation system. The pipe assembly comprises a first pipe, a copper connector and a second pipe. The first pipe formed by steel material has a main pipe wall and a plug-in hole formed by flanging the main pipe wall laterally. The main pipe wall forms a partial circuit of a refrigerant circulation loop. The inner hole wall axial length of the plug-in hole is greater than the outer hole wall axial length. The first port of the transition connector is plugged into the plug-in hole. The main component material of the transition connector is different from that of the first pipe. The second pipe has a connecting pipe wall plugged into the second port. The main component material of the connecting pipe wall is the same as that of the transition connector. The plug-in hole formed by flanging the main pipe wall increases the connecting contact area between the transition connector and the first pipe, improves the connecting reliability of the transition connector and the first pipe, limits the preparation material of the pipe assembly, improves the connecting strength of the pipe assembly and reduces the leakage risk of the pipe assembly.

A coupling device 100 is provided, comprising: a cylindrical housing part 10 into which a plug 200 is inserted at one end and a supply line P is connected at the other end; a valve part 20 configured to be in an open state by contact with the plug 200 inserted into the housing part 10, allowing fluid to flow from the plug 200 into the coupling device 100; a bellows part 30 with an expandable internal flow channel 31 formed therein, through which the fluid flowing in from the plug 200 is supplied to the supply line P when the valve part 20 is open;and a stop 40 forming a supply flow channel 41 through which the liquid is supplied from the inner flow channel 31 to the supply line P, and the stop 40 consists of a conductive fluorinated resin material, which contains a fluorinated resin material and a conductive material dispersed in this fluorinated resin material and is in electrical conduction with an earthing part 60 which is kept at earth potential.

This utility model provides an integrally molded booster pump pipe, comprising an upper thin pipe, an upper pagoda head, a thick pipe, a lower pagoda head, and a lower thin pipe connected in sequence. The upper thin pipe, upper pagoda head, thick pipe, lower pagoda head, and lower thin pipe form an integrally molded structure with a through-flow channel inside. Both the upper and lower pagoda heads are frustum-shaped. The small ends of the two pagoda heads are positioned opposite each other and connected to both ends of the thick pipe, while the large ends of the two pagoda heads are connected to the upper and lower thin pipes, respectively. The diameter of the thick pipe is larger than the diameters of the upper and lower thin pipes. This integrally molded booster pump pipe completely eliminates the connection gaps of traditional segmented pipelines through its integrated structural design, achieving a completely closed-loop delivery of the liquid medicine. The frustum-shaped pagoda head provides reliable tooling fit and a smooth pipe diameter transition, effectively solving the problems of loose pipeline connections, easy loosening and leakage under high pressure, and difficult assembly in existing technologies, thus improving the safety, reliability, and ease of use of the liquid medicine delivery.

To provide a piping connection structure that can restrict the rotation of multiple connectors, even when multiple connectors are arranged in parallel with only a small gap between them. [Solution] The first connector 6 is provided on the outer circumference of the first connector body 6A to which the heater inlet side pipe 7 is connected, and has a projection 6C extending in the axial direction of the first connector body 6A. The second connector 9 is provided on the outer circumference of the second connector body 9A to which the heater outlet side pipe 8 is connected, and has a groove 9C extending in the axial direction of the second connector body 9A. The groove 9C has a first opening at one end in the axial direction of the second connector body 9A, and the projection 6C is inserted into the groove 9C from the first opening and fitted into the groove 9C, thereby restricting the rotation of the first connector 6 and the second connector 9.

The invention relates to a grounding device (10) for a local gas extractor (100), the grounding device (10) being configured to interconnect a tubing (2), a conductive duct (4) and a coupling element (6) of the local gas extractor (100) to divert static electricity, the tubing (2) comprising a metal wire (3), wherein the grounding device (10) comprises a conductive body with: a head section (20) configured to interact with a part of the metal wire (3) of the tubing (2); and a connection section (30) configured to be arranged on the tubing (2) in abutment with the duct (4) and the coupling element (6). The invention further relates to a local gas extractor arrangement (100) comprising such a grounding device (10) and a method for mounting such a grounding device (10).

The utility model relates to hydraulic support sealing technical field especially relates to a kind of hydraulic support liquid pipe joint sealing device to solve the problem that the material used in the prior art due to hydraulic support liquid pipe joint sealing is easy to break and affect the sealing performance of hydraulic support liquid pipe joint sealing. Hydraulic support liquid pipe joint sealing device includes sealing main body, sealing main body is made of hydrolytic polyurethane material, and the section of sealing main body is D-shaped structure, the curvature radius of arc-shaped sealing surface is adapted to the inner wall of liquid pipe joint, for converting the axial impact force of high-pressure emulsion into radial expansion force to realize hydraulic self-tight sealing. The corresponding plane of flat support back and installation groove forms surface contact, for providing anti-extrusion support. The hydraulic support liquid pipe joint sealing device provided by the utility model is used in the sealing of hydraulic support liquid pipe joint.

Systems for disconnecting the respective interconnected high pressure (HP) and low pressure (LP) fluid flow lines extending between a hydraulic fracturing (frac) pump and a frac missile are provided. Certain embodiments involve a disconnect trailer separate and distinct from the frac pump, its carrier and the frac missile. First and second rotation drivers are disposed on the disconnect trailer and configured to engage and rotate at least part a corresponding connector coupled between the respective interconnected HP and LP fluid flow lines without any personnel in the red zone.

The invention relates to a wear ring (10) for mounting on a pipe, tube, cable or the like, more particularly on a corrugated pipe (14). The wear ring (10) comprises two ring halves (18a, 18b), which can be interconnected to form a ring (18), wherein a fastening structure (26), by means of which the ring (18) can be fixed on the corrugated pipe (14), is provided on the ring halves (18a, 18b). The ring halves (18a, 18b) comprise connecting elements (22), by means of which the ring halves can be interlockingly interconnected in an axial direction, and the fastening structure (26) is formed by at least one ring insert (26), which can be radially moved on the ring (18) and which can be locked on the ring (18) in a radially inner position in order to fix the ring (18) on the corrugated pipe (14).

This utility model discloses an easy-to-install silicone tube, comprising a tube body and a hollow connector. The tube body has insertion portions at both ends with an outer diameter smaller than its own size, coaxially mounted with a first annular magnetic block and spaced-apart annular bodies. The connector has corresponding second annular magnetic blocks and annular slots on the inner walls of the annular grooves at both ends. The first and second annular magnetic blocks form a magnetic connection, and the annular bodies engage with the annular slots. In use, the insertion portions of the tube body and the connector are automatically attracted by the magnetic blocks, allowing for quick guidance and positioning without precise alignment, significantly reducing installation time. The engagement of the annular bodies with the annular slots allows for tool-free fixation, and the spaced distribution of multiple annular bodies and slots further enhances connection stability. This silicone tube innovatively combines magnetic guidance with snap-fit ​​locking, effectively solving the problems of inconvenient installation and unstable connections associated with traditional silicone tubes, significantly improving installation efficiency and reliability, and is suitable for various material conveying scenarios.

This utility model provides a water distributor for water pumps protected against water hammer, belonging to the technical field of water distributors. It solves the technical problem that traditional water pumps typically only have one type of pipe diameter connection port. Since different pipe diameters can better adapt to fluid flow requirements, using only one pipe diameter can lead to pressure fluctuations during fluid flow, thus affecting the efficiency of the entire system. The water distributor for water pumps protected against water hammer includes a main body. An inlet pipe is opened on one side of the main body, and two outlet pipes are symmetrically opened on the surface of the main body away from the inlet pipe. Connecting pipes are fixedly connected to the ends of the inlet pipe and the two outlet pipes away from the main body. Each of the three connecting pipes has a first pair of interfaces and a second pair of interfaces, and each of the first and second pairs of interfaces has a fixing mechanism for fixing the connector. In this utility model, the first and second pairs of interfaces ensure that connection ports of different pipe diameters can be connected to the main body.

The application discloses a large-diameter light integrated composite water pipeline and a construction method thereof, and relates to the technical field of long-distance water conveying engineering. The pipeline comprises a pipeline main body, a socket end and a spigot end arranged at the axial two ends. The pipeline main body is sequentially provided with an inner lining layer, a steel fiber concrete layer, a steel reinforcement framework and a stainless steel cylinder from inside to outside. The steel reinforcement framework is composed of multiple groups of three-dimensional framework units arranged along the axial direction at intervals. Each group of three-dimensional framework units comprises longitudinal steel reinforcement, a first annular steel reinforcement, a second annular steel reinforcement and framework connecting steel reinforcement. The second annular steel reinforcement is coaxially arranged between the two first annular steel reinforcements and has a smaller diameter. The framework connecting steel reinforcement connects the two to form a triangular support structure. The first annular steel reinforcement is welded and fixed to the inner wall of the stainless steel cylinder, so that the steel fiber concrete layer and the stainless steel cylinder are combined into an integral force structure, thereby achieving a significant reduction in the self weight of the pipeline. While reducing the self weight, the application forms a collaborative force system through integrated structural design.