148results about "Pipes" patented technology

This utility model discloses a gas metering box, including a metering box body. Both sides of the metering box body have through-holes for pipes. Sealing sleeves are provided on both the inner and outer sides of the through-holes. The sealing sleeves are fixedly connected to the metering box body by adhesive. The end of the sealing sleeve furthest from the metering box body is inclined inwards, and the edge of this end of the sealing sleeve is turned outwards at a 45-degree angle. A restraining ring is fitted on the outer side of this end of the sealing sleeve. The advantage of this utility model is that by using the sealing sleeve to fit against the outer surface of the gas pipe installed through the through-hole, the gap between the gas pipe and the through-hole is sealed, thus preventing external dust and moisture from entering the metering box body. This seal also prevents the pipes and gas meter installed inside the metering box from being corroded by dust and external moisture.

The present invention relates to a reusable sealing element for joints, cable penetrations and building entry / entry points formed with an aluminum composite pipe 3, namely an aluminum pipe coated on the outside with PE-LD with and without an inner PE-LD pipe, which is formed with a mechanically reversible connectable push-on valve connection 9, to reliably prevent the passage of gas through the filling piece 3, which is arranged at the end of the aluminum composite pipe, in the squeezed state of the pipe 2.

Hermetic pipe penetration to pass media transported by a pipeline through a wall separating mutually hermetically separated building spaces; such hermetic pipe penetration comprises an embeddable part (9) and a flow part (5) and a shaped collar (1), said shaped collar (1) comprising a rigidity-creating part (1a) and a connecting part (lb), the connecting part (1b) is provided for a connection of the embeddable part (9) with the flow part (5). The shape of the rigidity-creating part (1a) influences the rigidity of the connection of the flow part (5) with the embeddable part (9) and also a quantity of heat passing from the flow part (5) to the embeddable part (9). The connecting part (lb) of the shaped collar (1) is provided with a foot (1c). The foot (1c) is designed to be fitted on the flow part (5) and connected with it by connecting joints (3).

The utility model relates to the technical field of modular integrated building, especially a pipeline connecting assembly for concrete modular integrated building pipeline floor-penetrating, the pipeline connecting assembly includes pre -buried water stop, pre -buried sleeve, connecting pipe and socket fixed pipe fitting, since the second connecting portion of socket fixed pipe fitting stretches into the connecting space of the third connecting portion of pre -buried sleeve and is connected with the inner wall of connecting space threadedly, the field operation step is reduced to the threaded connection and prefabricated component, and the installation efficiency is further improved. At the same time, since the first connecting portion of connecting pipe and the second connecting portion of socket fixed pipe fitting are connected through sealing ring assembly. Through setting sealing ring assembly cooperation threaded connection, realize double sealing structure, further reduce the risk of water leakage, especially suitable for bathroom, kitchen and other high waterproof requirement scene.

A cable protector (10) includes an umbrella-shaped member (20) separate from the cable protector body (11). The umbrella-shaped member (20) has a covering portion (21) that covers the insertion hole (Sa) of a sound insulation member (S) provided on one side of a vehicle body panel (P). The covering portion (21) is inclined toward the sound insulation member (S) with an increased diameter. Furthermore, the cable protector body (11) has a locking portion (32) that is axially locked relative to the front end (22) of the covering portion (21), which is the front end of the umbrella-shaped member (20).

The invention relates to a mounting system (1) for attaching an insert part in a wall opening, in particular a housing comprising - an interface (4) arranged or arrangable in a wall section (40), in particular a housing, which has an interface opening (44) arranged around a through-axis (A), which is circumferentially encompassed by an edge contour (41) with radially inwardly projecting retaining projections (42) and gaps (43) in between, - a fixing insert (3) which has an insertion section (31) which can be inserted in an insertion direction (R) in a first rotational position (P1) from an outside through the interface opening (44) and is provided circumferentially with radially attached fixing elements (32) extending in the circumferential direction and with a cylindrical central through screw-in opening (33) with an internal thread (34) and is limited at its rear end section with respect to the insertion direction (R) by a stop arrangement (30) surrounding the screw-in opening (33) and projecting radially beyond the interface opening (44) at least in sections, and - an insert part which is designed as a screw-in part (2) which can be screwed into the internal thread (34) and has a screw fitting (20) which transitions at its rear section in the insertion direction (R) into a contact flange (21) which completely encompasses the stop arrangement (30) in the assembled state and is brought into contact with the outside of the wall section (40) with its contact side, in which an annular space (24) is formed which completely surrounds the screw fitting (20) and is bounded by an inner wall surface of the contact flange (21).

A filtration module is provided, the module including at least one filtration packet containing filtration media or one or more membranes, such as a stack of membranes, the at least one filtration packet having one or more fluid ports, the one or more fluid ports being surrounded by a primary seal and a secondary seal spaced from the primary seal. The secondary seals are designed to maintain sterility of the assembly during shipping, handling and / or installation. A removable film may cover one or more fluid ports to maintain sterility prior to use.

This invention provides fire-resistant devices that reduce construction man-hours, constructed fire-resistant structures, and methods for constructing fire-resistant structures. [Solution] The fire-resistant device 1 comprises a base portion 11 with a circumferential shape and a thermal expansion portion 12 made of a thermally expandable material, with a portion of it fixed to the base portion 11, wherein the thermal expansion portion 12 is one or more long strip-shaped bodies, or an assembly of multiple cylindrical bodies nested radially, and is arranged in a manner that allows for axial displacement in a direction perpendicular to the radial and circumferential directions while maintaining a connection state with the base portion 11.

The present invention relates to a heat-absorbing module (1) of a device for wrapping and passive fire protection of elements to be protected. The module is characterized in that it extends along a longitudinal axis (X-X'), wherein it comprises two rectangular strips of fire-resistant barrier fabric (11, 12), wherein the two fabric strips (11, 12) are assembled so that their respective long sides are parallel to the longitudinal axis (X-X') of the module (1) and are stitched together to form a plurality of closed oblong storage pockets (13) having a longitudinal axis (Y-Y'), said storage pockets (13) being parallel to each other along their longitudinal sides, and the longitudinal axes (Y-Y') of the storage pockets (13) being perpendicular to the longitudinal axis (X-X') of the heat-absorbing module (1), and wherein at least one of the storage pockets (13) is filled with a heat-absorbing material (100) in powder form.

The present invention provides a corrugated rigid synthetic resin pipe opening water-sealing structure and method that allows for easy installation of a high-performance pipe opening water-sealing device inside a corrugated rigid synthetic resin pipe, while also ensuring sufficient water sealing at the pipe opening of the corrugated rigid synthetic resin pipe. [Solution] In the high-performance pipe opening water-sealing device, a pipe shaping member 19 is applied to the inner surface recess of the corrugated rigid synthetic resin pipe on the inner surface of the pipe opening 4 of the corrugated rigid synthetic resin pipe 2, and the surface of the inner surface recess of the corrugated rigid synthetic resin pipe is shaped into a substantially flat surface. By inserting the high-performance pipe opening water-sealing device into the flattened corrugated rigid synthetic resin pipe 2, the high-performance pipe opening water-sealing device can be easily installed inside the pipe opening 4 of the corrugated rigid synthetic resin pipe 2, and even if the corrugated rigid synthetic resin pipe 2 has an inner surface recess formed thereon, a sufficient water-sealing effect can be obtained at the pipe opening 4 of the corrugated rigid synthetic resin pipe 2.

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.

To provide a grommet that offers excellent workability for inserting electrical wires into the cylindrical portion. [Solution] The grommet 1 comprises a cylindrical portion 20 that is elastically deformable in the radial direction and through which an electric wire W is inserted, and a main body portion 10 that extends from the cylindrical portion 20 and is fitted into a through hole Pa of the mounting target P. The cylindrical portion 20 has a first variable portion 21 which is configured such that a part of the cylindrical wall of the cylindrical portion 20 is grooved inward or outward in the radial direction and extends along the cylindrical axis of the cylindrical portion 20. The main body portion 10 has a second variable portion 14 which is configured such that a part of the main body portion 10 is grooved in the radial direction and extends continuously with the first variable portion 21. The first variable portion 21 has a thin-walled structure in which, in a cross section perpendicular to the cylindrical axis of the cylindrical portion 20, the thickness of the first variable portion 21 is smaller than the thickness of a different part of the first variable portion 21.

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.

This utility model relates to the field of building pipeline technology, specifically a wall-penetrating device for leak-proof pipes in building structures. It includes a wall and a pipe. The surface of the wall has a perforation for the pipe to pass through. The surface of the pipe is equipped with a sealing device, which includes an air bladder and a cover. The air bladder is sleeved and connected to the pipe. There are two covers, each sleeved and connected to the pipe. The inner wall of the air bladder has a cavity. An inlet valve and an outlet valve are fixedly connected to the surface of the air bladder. A threaded sleeve is fixedly connected to the surface of the cover. This utility model, by setting up a sealing device, inflates the air bladder through the inlet valve, using its expansion to fill the gap between the pipe and the wall perforation. This sealing method can adapt to various irregular gap shapes and, together with the cover, provides protection. It reduces the need for concrete filling for leak prevention, which leads to inconvenient operation and subsequent disassembly, thus improving overall practicality.

The invention relates to a housing (1) for a firestop through penetration device (10), wherein - the housing (1) is preformed to be installed in a breakthrough of a firewall, so as to form a side wall of an axial channel having opposite openings (2, 3) to both sides of the firewall and configured to receive penetrants; - the housing (1) is at least partly metallic; and - in any longitudinal intersecting plane taken along the axial direction of the housing (1), each heat conduction path formed by metallic parts of the housing (1) is interrupted at least once between the opposite openings (2, 3) of the housing (1) by a thermal break.

Metallic housing (5) for a firestop through penetration device (4). The housing (5) is preformed to be installed in a breakthrough (3) of a firewall (2) to form a side wall of an axial channel and configured to receive penetrants (10); it has one or more of the following constructional features reducing thermal conduction between its opposite openings (6, 7): - a radial thickness of less than 2 mm; and / or - stainless steel, chrome steel, and / or other steel alloys with chrome, nickel, molybdenum, titanium, and / or tungsten used as its material(s); and / or - a corrugated longitudinal profile, increasing the length of heat conduction paths connecting the opposite openings (6, 7); and / or - a plurality of slots (17, 17a, 17b) extending at least partly in a circumferential direction and being successively arranged in the axial direction with offsets, increasing the length of heat conduction paths connecting the opposite openings (6, 7).

To provide a grommet and electrical connector assembly that simplifies automation.SOLUTION: A grommet 1 includes an elastically expandable tube part and a cap-shaped housing part 6. The tube part includes a cable receptacle for passing an electrical cable 12 connected to an electrical connector 2. The housing part includes a connector receptacle for receiving the electrical connector connected to the cable receptacle. The grommet has a configuration in which the electrical connector is at least partially disposed in the connector receptacle, the electrical cable is at least partially disposed in the cable receptacle, and, first, the tube part at a mounting position 20 is elastically expanded so that its inner diameter is at least twice the inner diameter in a no-load state 7.SELECTED DRAWING: Figure 2

The application relates to the technical field of boiler economizers, in particular to a through-wall pipe anti-abrasion device which comprises a protective plate and a filling layer; a plurality of protective plates are arranged to form a protective groove, the protective groove is used for covering the through-wall pipe outside, and the filling layer is arranged in the protective groove to fill the gap between the protective groove and the through-wall pipe; the anti-abrasion device is characterized in that the anti-skid groove is formed by the arrangement of the protective plate outside the through-wall pipe, and the filling layer is encapsulated, so that the through-wall pipe is protected, the problem that the through-wall pipe is easily subjected to the coupling damage of sulfuric acid dew point corrosion and ash particle impact abrasion under the complex flue gas dynamics environment between boilers in the prior art is solved, and the long-term operation of the equipment is ensured.

This invention discloses a flexible boiler roof sealing structure based on a multi-layer ceramic fiber braid, comprising an integrally formed anchored multi-layer ceramic fiber braid. The braid is formed using a multi-warp, multi-weft integrated weaving process, with each layer locked together by vertical anchoring ribs formed by continuous ceramic fiber filaments, creating a seamless, integral structure. A continuous annular fiber reinforcing ring is integrally woven along the pre-fabricated mounting holes of the braid. An annular stress-relieving pleated section is integrally formed between the reinforcing ring and the main body of the braid, with a dual-effect self-healing unit embedded within the pleated section. Compared with existing technologies, this invention solves the problems of interlayer debonding, opening tearing, and sealing failure in existing boiler roof sealing structures, significantly improving the long-term reliability of the sealing structure and meeting the requirements for long-term safe and stable boiler operation.

The utility model relates to the technical field of building engineering, especially a kind of anti-settling structure for reclamation area buried drainage pipeline.Set in the pre-buried area of drainage pipeline, including: fine soil layer filled in the bottom of pre-buried area;At least two U-shaped hangers, hanger interval distribution in the top surface of fine soil layer, and upper end protrudes pre-buried area and is fixed with floor reinforcement;Backfill soil layer filled in pre-buried area, the backfill soil layer is located on the top surface of fine soil layer, and backfill soil layer partially buries the hanger and completely buries the drainage pipeline;And burying layer filled in the pre-buried area, the burying layer is located on the top surface of backfill soil layer and is located on the bottom surface of floor reinforcement.Affirmative effect: by setting hanger, and the upper end of hanger is buried in floor, and hanger is buried, to replace traditional concrete foundation, and hanger is fixedly connected with floor reinforcement, avoid the substantial settlement of buried drainage pipeline, improve the reliability and stability of drainage system.

The utility model relates to the technical field of clean engineering technical support discloses a process water through plate joint for biological product workshop clean workshop, including tubular body, the front part of tubular body is equipped with the connecting structure for connecting with outside pipeline, the middle part of tubular body is equipped with the fastening structure for fastening process water through plate joint on the wallboard, the rear part of tubular body is equipped with the chuck of quick -mounting clamp joint, the middle part of tubular body has the locating ring that forms radially outward expansion, the locating ring is arranged between fastening structure and chuck, and the locating ring has the sealing surface for abutting on the wallboard of arrangement to the front. In this way, through the design of chuck and connecting structure on process water through plate joint, realize the mutual connection of process pipeline in biological product workshop clean workshop production equipment and technical aisle, and connection is convenient to detach, and installation is simple. And, through the sealing surface abutment on the wallboard of biological product workshop clean workshop, realize the tight sealing.

The application discloses a kind of middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, belong to middle pressure pipeline construction technical field.The middle pressure pipeline through isolation joint vertical arrangement structure and fixed assembly, by the hoop assembly is embraced in pipeline structure, make second piston be extruded and move up, make second piston move by the first piston movement of hydraulic drive, make first piston by connecting rod drive first locking block and limit block interlock, make the rotation direction of screw cylinder lock, when hoop assembly is locked in pipeline structure, make overall gravity move down, make first piston rod move down, then by the second piston rod movement of hydraulic drive, make second piston rod drive second locking block and aperture interlock, to bolt lock, prevent bolt from vibrating and loosening, to this can in hoop assembly assembly process, complete automatic locking screw cylinder, and the purpose of automatic locking bolt, to effectively play the effect of anti-disengagement, keep the firmness of pipeline installation.

The application discloses a kind of high-pressure gas storage crossing manhole sealing lap joint structure and construction method, it is related to compressed air energy storage artificial cavern gas storage engineering technical field, including gas storage and crossing manhole pipeline, the crossing manhole pipeline includes the built-in section being arranged in the sealing body of the gas storage and the extension section being extended into the inside of the gas storage, the interface of the extension section and the inner wall of the gas storage, the periphery inner wall on the crossing manhole pipeline and the periphery on the extension section are all sprayed with flexible spray sealing layer, the periphery on the flexible spray sealing layer of the extension section is provided with hoop assembly, the combination length of flexible spray sealing layer and pipeline is lengthened, simultaneously, through hoop assembly, radial compression force is applied, ensure that flexible spray sealing layer and extension section outer wall are closely combined, avoid that joint surface is separated, fundamentally solve the problem of sealing failure.