1021results about "Pipes" patented technology

The floor penetrating sleeve structure comprises an original structural plate, a hole is formed in the original structural plate, a floor penetrating sleeve is arranged in the hole in the original structural plate in a penetrating mode, and a water stop ring connected with the floor penetrating sleeve in a sealed mode is arranged in the middle of the wall of the floor penetrating sleeve in the circumferential direction. The water stop ring is located at the top of the hole and is in sealed connection with the edge of the hole, and the wall of the floor penetrating sleeve is in sealed connection with the inner wall of the hole through a sealing structure. The invention further discloses a construction method of the floor penetrating sleeve structure for post-trepanning construction. The method can be used for quickly and conveniently carrying out post-positioned floor penetrating sleeve construction, and can be widely applied to the field of mechanical and electrical installation of constructional engineering.

This invention relates to the field of cabin-penetrating sealing technology, specifically to a wire rope cabin-penetrating sealing device and method. The device includes a cabin-penetrating section, a transfer section, a fastening guide section, and multiple sealing sections. The fastening guide section is located at the front end of the cabin-penetrating section, and the transfer section is located at the rear end. A sealing section is provided at the fixed connection point between the transfer section and the cabin-penetrating section. The cabin-penetrating section is fixedly installed inside the cabin, and a sealing section is provided at the connection point between the cabin-penetrating section and the cabin. The sealing section includes a water-swellable sealing strip. The transfer section connects two cabin-penetrating sections installed in different cabins, achieving rapid installation, disassembly, and cabin-penetrating effect. The cabin-penetrating section and the transfer section are internally connected, with the wire rope passing through the middle. The fastening guide section is installed inside the cabin-penetrating section, and the size of the inner ring of the fastening guide section is adjusted to fix the outer wall of the wire rope. This invention solves the problems of current wire rope cabin-penetrating devices, such as simple structure, inability to provide buffering to neutralize axial sway of the wire rope, resulting in severe wear and short service life.

According to the invention the Grommet (14) is designed for a wall bushing (2) and for the sealed passage of a strand (12), in particular a cable, through an opening (10) in a wall (4). The wall (4) is especially a wall (4) of a dash panel of a motor vehicle. The grommet (14) having a grommet body (16) which extends in an insertion direction (E) and which has a proximal sealing section (18) and a distal sealing section (20), which, in the assembled state, receive the wall (4) between them, wherein the distal sealing section (20) is corrugated in the circumferential direction so that it is compressible and can be inserted through the opening (10) in the insertion direction (E). Preferably the distal sealing section (20) comprises a cap element (22) having a cap opening (23) and during assembly the grommet is inserted through the opening (10), while the cap opening (23) is oriented in the insertion direction (E). Afterwards the cap element (22) is folded over such that the cap opening (23) is oriented towards the wall (4) and a distal sealing lip (24) rests on a distal wall side (4B).

The utility model discloses a cable and pipeline penetration fire-resistant sealing device, relates to the technical field of cable penetration sealing, and aims to solve the technical problem of poor sealing effect of a current cable sealing module, the cable and pipeline penetration fire-resistant sealing device comprises a flame-retardant sleeve, and two groups of symmetrical fixing frames are arranged on the flame-retardant sleeve. The elastic sealing outer sleeve and the multi-layer elastic sealing sleeve are combined to form a sealing structure, the multi-layer elastic sealing sleeve is located in the elastic sealing outer sleeve, and the butt joint of the elastic sealing outer sleeve formed by combining the two rectangular combination sleeves is horizontally arranged. The butt joint of the multiple layers of elastic sealing sleeves formed by combining the two groups of semicircular combined elastic sealing sleeves is vertically arranged, so that the butt joint between the elastic sealing outer sleeve and the multiple layers of elastic sealing sleeves can be directly staggered, pollutants such as external dust can be effectively prevented from entering from the butt joint, and the sealing effect on a cable pipeline is ensured.

A device produces and seals a line feedthrough directly beneath a ceiling and has a feedthrough box to be fastened to the ceiling, with two opposite open end faces and side walls extending between them, which are open towards the ceiling and are to be closed off by the ceiling, such that the side walls in a state of the box mounted on the ceiling, together with the ceiling, form an axial passage channel which is closed in the circumferential direction. The device also has one or more support frame elements, wherein each support frame element is integrally formed or fixed on the side walls of the box on the outside thereof, and extends radially outwards in such a way that it forms an essentially planar bearing surface for supporting a wall panel, when a vertical wall is being produced or closed off around the box.

The invention discloses a sealing device for a submarine pipeline dry-type cabin, and relates to the technical field of dry-type cabins, the sealing device comprises a controller and two flexible sealing devices, each flexible sealing device comprises a vertical telescopic driving mechanism, a supporting part, a flexible sealing door and a sealing door opening and closing execution mechanism, the sealing door opening and closing executing mechanism comprises two opening and closing executing assemblies symmetrically installed on the supporting component, each opening and closing executing assembly comprises a driving component, surrounding supports and a pressing plate, and the two driving components are used for driving the two surrounding supports to be opened or closed; when the two surrounding supports are closed, the two connecting parts can be attached under pressing of the two pressing plates, the lower ends of the two lower arc parts can be in butt joint, and the top arc part and the two lower arc parts are all attached to the submarine pipeline. The device ensures that the dry type cabin can be reliably sealed with the submarine pipeline under the dynamic working condition, the requirement for the coaxiality of the dry type cabin and the submarine pipeline is lowered, and the submarine laying efficiency of the dry type cabin is improved.

Firewall device for caulking an aperture defined in a separating element and traversed by through elements, notably consisting of cables, pipes or the like, this device being in the form of a casing of rectangular, circular or oval cross section, provided with a first aperture on a first face on which said through elements enter the casing, referred to as the front face of the casing, and a second aperture on a second face, referred to as the rear face of the casing, opposite the first face and forming an exit aperture for said through elements, such that the casing includes flaps constituting a frame for the first aperture of the casing, said device includes sheets of intumescent material covering a first part of the inner face of the casing on the rear face side of the casing, and blocks of caulking foam on the casing front face side covering a second part of the casing inner face, said foam blocks filling a first space between the casing wall(s) and said through elements, and said flaps forming retaining flanges for said foam blocks.

A fire protection element can be used for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire. The fire protection element has a belt- shaped carrier from the edge of which tongues protrude transversely to the longitudinal direction of said carrier. The tongues are connected to the belt-shaped carrier, at least a significant proportion of the tongues are formed of a bimetal, and the tongues can move in one direction under the effect of heat. A fire protection material is applied to at least one side of the tongues. Furthermore, a method can be used for sealing a combustible body, which penetrates an opening in a wall or ceiling, in the event of a fire.

The invention is a temporary flashing for plumbing pipes extending through a flat roof. The flashing provides an inexpensive plumber supplied seal that can be installed and left in place under a permanent roof flashing provided by a roofer at a later time. The flashing comprises a plastic core base and a plastic core sleeve as one or two pieces. The base and the sleeve are overmolded with a flexible rubber.

The utility model discloses an indoor ski field pipeline penetrating heat preservation and cold bridge prevention structure which comprises a heat preservation plate, a pipeline and a first heat preservation layer. The insulation board is a metal rock wool sandwich board, the pipeline penetrates through the insulation board, and a first insulation layer is arranged between the pipeline and the insulation board; the pipeline comprises a first pipeline, and when the first pipeline is a fire fighting pipeline or an air conditioner pipeline, the anti-cold-bridge structure further comprises a second heat preservation layer, a third heat preservation layer, an air isolation layer, a first fixing device and a first protection pipe. The first pipeline is sleeved with the first protection pipe, and the space between the first pipeline and the first protection pipe is filled with a second heat preservation layer; the joint of the side, facing the outdoor space, of the first pipeline and the heat preservation plate is coated with an air isolation layer. Heat transfer between the interior of the snow field and the structural layer can be efficiently isolated, the temperature of the structural layer and the temperature of the bottom of the snow layer are stabilized with extremely low heat supplement, extra energy consumption is greatly reduced, and the service life is prolonged.

A fire protection collar for a pipe has a belt package at least in part having an intumescent material, a first and a second closure element. The first closure element is arranged at a first end of the belt package and the second closure element is arranged at a second end of the belt package opposite the first end. The first closure element and the second closure element can be fastened together in such a way that the belt package forms a substantially closed contour. The belt package has a package length between the first end and the second end of the belt package and is exposed at least in part along the package length.

A limit stop relates to devices for limiting the effect of severe accident consequences on process equipment connected by pipelines passing through walls. The stop may be used, in particular, in the nuclear industry. The limit stop installed in a protective wall. The stop is made in the form of an anchor with horizontal grooves and an insert into the pipeline with horizontal teeth. The anchor is mounted on a protective wall. The insert is installed on the pipeline from the outer side of the protective wall. The anchor and insert are made with the possibility of locking the teeth in the grooves during torsion. The insert is provided with a postulated break site. The stop makes it possible to increase the safety of operation of high-pressure pipelines.

Cable entry (100), comprehensive - a holder (110) with a through-opening (112) belonging to the holder (110) and at least one projection (114) arranged between the through-opening (112) belonging to the holder (110) and an edge section of the holder (110) belonging to the holder (110), which extends away from the holder (110) in the direction of passage, and - a seal (120) with a through-opening (122) belonging to the seal (120) and at least one recess (127) belonging to the seal (120) arranged between the through-opening (122) belonging to the seal (120) and an edge section of the seal (120) belonging to the seal (120), which is designed to engage with the corresponding projection (114) of the holder (110), wherein the holder (110) has a strain relief (113) acting on an outer circumference of a line (200) in the form of at least one hook which is directed into the through-opening (112) of the holder (110).

The utility model discloses a fluid transmission assembly and a fluid transmission system, and relates to the field of medicine production. The fluid transmission assembly comprises a chuck, a sealing part and a locking part. The chuck comprises a chuck body, a first pipe body and a second pipe body. The sealing component comprises a sealing connecting sleeve, the sealing connecting sleeve is provided with a first end and a second end which are oppositely arranged, the first end abuts against the lateral end face, adjacent to the second pipe body, of the disc body in a surrounding mode, and the second end is suitable for being connected with the container in a sealed mode. According to the fluid transmission assembly provided by the utility model, the first end of the sealing connecting sleeve and the disc body are fixed through the locking component, so that the first end of the sealing connecting sleeve tightly and annularly abuts against the lateral end face, adjacent to the second pipe body, of the disc body, and a sealing isolation area is constructed between the second pipe body and the connecting pipe; therefore, the sealing performance of the fluid transmission assembly is improved, external gas is prevented from entering the connecting pipe, the pollution risk is reduced, and the defect that the environmental cleanliness is affected due to the fact that fluid leaks and diffuses to the outside can be effectively overcome.

The utility model provides a roof-out riser airtight structure which comprises a pouring body, a pre-buried pipe is vertically arranged in the pouring body, a riser is arranged in the middle of the pre-buried pipe in a penetrating mode, the side wall of the lower portion of the riser is wrapped with a waterproof gas-insulation film, and the other side of the waterproof gas-insulation film is attached to the lower end face of the pouring body. An asphalt hemp thread layer is attached to the side wall of the upper portion of the embedded pipe, the other side of the asphalt hemp thread layer is attached to the upper end face of the pouring body, the space between the upper end of the embedded pipe and the vertical pipe is filled with sealant, the outer side of the asphalt hemp thread layer is sleeved with a second heat preservation sleeve, and a second mortar layer is arranged on the outer side of the second heat preservation sleeve. The structure at the position of the vertical pipe out of the roof has the advantage of being good in sealing performance.

A luminaire assembly comprising: a housing; a moisture intrusion guard including an orifice and at least one slot; a cover coupled to the housing, the cover comprising a retention assembly including at least one protrusion passing through at least one slot of the moisture intrusion guard, the retention assembly locking the cover to the housing.

The utility model is applicable to the technical field of wall bushings, and discloses a wall bushing fireproof plugging device which is characterized in that sealing baffles are rotatably mounted on two sides in a connecting sleeve, hollow frames are fixedly mounted at two ends of the top of the outer side of the connecting sleeve, reset twisting mechanisms are arranged in the hollow frames, and the reset twisting mechanisms are in transmission connection with the sealing baffles; and abutting mechanisms are detachably installed at the two ends of the outer side of the connecting sleeve correspondingly and movably inserted into the outer side of the sealing baffle, rotating rods are vertically and fixedly installed at the two ends of the outer side of the sealing baffle correspondingly, and the side edges of the rotating rods are rotationally installed in the connecting sleeve through bearings in a penetrating mode. According to the technical scheme, after the thermosensitive glass column is broken and loses the abutting limiting force on the sealing baffle, under the twisting restoring action of the reset torsion spring, the sealing baffle is driven to automatically conduct restoring rotation in the connecting sleeve, fireproof blocking treatment is automatically conducted on the interior of the connecting sleeve, and it is avoided that fire spreading affects the safety of other buildings.

The application provides a kind of for coal mine stoping working face goaf gas detection communication device, including side sealing block and plugging wall, detection communication pipe, it is arranged in the through hole inside the plugging wall;And pipe plug, detachably arranged in one end of the detection communication pipe, when needing to determine the gas in stoping working face goaf, pull out pipe plug, connect detection communication pipe with gas detector and carry out gas detection, pipeline support assembly, including lateral support assembly and horizontal support assembly, pipeline support assembly is arranged at the junction of the communication pipe both sides and plugging wall.The application passes through the through hole of the plugging wall of detection communication pipe, when needing to determine the gas in stoping working face goaf, pull out pipe plug, connect detection communication pipe with gas detector, can determine the gas composition in this area, greatly improves the gas detection efficiency in stoping working face goaf, and has important significance for improving the management level of mine fire prevention.

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.

The present disclosure relates to a wellhead penetrator system comprising a penetrator body comprising a hollowed cylindrical frame connecting a top end to a bottom end; a cable seal located within the penetrator body, comprising: a cylindrical core made of a polymer having three cylinder-shaped port holes configured to each provide a path for of the three insulated electrical wires; a top side, wherein the port holes extend upward from the top side of the cable seal; and a bottom side facing into the cavity located in the bottom end of the penetrator body, wherein the port holes extend downward from the bottom side of the cable seal; and a follower comprising a cylindrical metal body and cylindrical holes, wherein the follower seats against the bottom side of the cable seal so that port holes of the cable seal protrude through the cylindrical holes of the follower.

The utility model discloses a double-layer gas tube device of a vacuum coating machine, which relates to the technical field of vacuum coating machines, and comprises a coating machine body, a scraping cleaning mechanism is arranged in the coating machine body, the scraping cleaning mechanism comprises a fixed block, and the fixed block is fixedly connected in the coating machine body. Through the arrangement of the scraping and cleaning mechanism, the effect of scraping and cleaning a film layer on the double-layer inflation tube body can be achieved, in the using process, the motor is started to drive the scraping ring to scrape and clean the film layer attached to the double-layer inflation tube body, and in the moving process of the scraping ring, the motor support slides on the sliding rail, so that the film layer is scraped and cleaned. According to the double-layer inflation tube, the scraping ring can move more stably and smoothly, the situation that gas cannot be inflated due to the fact that the film layer on the double-layer inflation tube body cannot be scraped and cleaned and the air outlet hole in the double-layer inflation tube body is blocked by the film layer can be avoided, and the practicability of the inflation tube is guaranteed.

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.

A sealing module (13) for connecting a conduit (11) to a partition lead-through system (10), wherein the sealing module (13) comprises an axis (A) and a compressible body (16a, 16b) having an axially extending through opening. The sealing module (13) comprises a conduit connector (19) having at least one tubular portion (28, 29), wherein the tubular portion (28, 29) extends in axial direction and have an exterior surface facing a radial direction, wherein said exterior surface of the tubular portion (28, 29) is arranged with a gap (37) to the compressible body (16a, 16b) along the through opening for receiving an end of the conduit (11). Disclosed is also a lead-through system comprising one or more sealing modules (13). A method for connecting a conduit to a partition lead-through system is also disclosed together with the use of such a sealing module (13).

The application discloses a cavity sealing device suitable for inductive heating in a closed cavity, which comprises a ceramic substrate, the ceramic substrate is sealingly connected with the closed cavity, a first pipe and a second pipe are respectively arranged on the left side and the right side of the ceramic substrate, a gap is formed between the two pipes and the ceramic substrate to form a cavity, and the first pipe and the second pipe are respectively provided with a first sealing ring, a second sealing ring and a third sealing ring, the end of the first pipe is provided with an elastic structure which is in contact with the second pipe, the first pipe and the second pipe are further connected with a fastener, and the first pipe and the second pipe are both split conical structures which are hollow and communicated, the inner diameter of the second pipe is matched with the outer diameter of the first pipe; during operation, the conical structure is pressed to compress the edge sealing gasket to strengthen the sealing through the pressure difference between the inside and the outside of the closed cavity, the closed cavity can adapt to the case that the pressure in the cavity is less than or greater than the atmospheric pressure outside, the current conduction is ensured, the circumferential sealing ring ensures the flow of cooling water in the pipeline, the ceramic substrate is made of non-conductive ceramic material and can realize overall sealing, and the problem that the existing sealing device can only be used in a single pressure field is effectively solved.

To provide a compartment penetrating structure, compartment penetrating member and compartment penetrating method causing members for use in a building fire protection construction to exert highly efficient fireproof and fire-extinguishing performances and suppressing deviation of an insertion member for use in the building fire protection construction.SOLUTION: A section penetration part 15 as a fire protection construction formed at a partition part 11 of a building and, the inside of which is penetrated by an elongated insertion body 21, includes an insertion member 3 inserted into the section penetration part 15 in a sleeve-like manner, a locking member 4 coming into contact with at least one end 30 side of the insertion member 3 and the partition part 11 and fixing the location of the insertion member 3, and a sheet-like wrapping part 5 provided at least on one end 30 side of the insertion member 3 and covering a gap 50 between an opening 13D of the section penetration part 15 provided at the partition part 11, and the insertion body 21.SELECTED DRAWING: Figure 1

An elongate connector for subsea connection of cables and the like to wind turbine generators has a plurality of locking elements arranged on ramp surfaces and held in a plurality of cages on the connector. The cages are moveable to move the locking elements along the ramp surfaces between an engaged position and a disengaged position and the plurality of cages are moveable independently of each other. A release collar is provided, which can move all the cages simultaneously to the disengaged position, in order to allow removal of the connector.

The utility model relates to the technical field of pipeline sealing in a water supply and drainage pipe network, in particular to a sealing device for a pipeline penetrating through a well wall. The waterproof pipeline comprises a pipeline body and a waterproof sleeve, the waterproof sleeve is located on the outer side of the pipeline body, an annular cavity is formed between the waterproof sleeve and the pipeline body and filled with polystyrene foam, and waterproof mortar layers are fixed to the positions, between the left end and the right end of the waterproof sleeve and the pipeline body, of the annular cavity respectively. The waterproof pipeline is reasonable and compact in structure and convenient to use, the polystyrene foam is filled in the annular cavity formed between the waterproof sleeve and the pipeline body, and the waterproof mortar layers are respectively fixed at the positions of the annular cavities between the left end and the right end of the waterproof sleeve and the pipeline body, so that the purpose of sealing is achieved; the sealing device has the advantages of being safe, reliable, good in sealing effect and high in applicability, uneven sedimentation of the pipeline or the inspection well caused by leakage is prevented, and process dependence and construction difficulty are greatly reduced.