131results about "Bends" patented technology

Maintenance kit for a hydraulic system equipped with suction (13) and delivery (14) pipes that define a first connection interface (61), the kit comprising: - at least one pump, said pump having a second connection interface configured for reversible coupling with said first connection interface (61); - a connector element (50) equipped with a third connection interface (51, 52); wherein the third connection interface (51, 52) of said connector element (50) is dimensionally and functionally identical to the second connection interface of said pump, so that said connector element (50) and said pump are mutually interchangeable for coupling with the second connection interface of the hydraulic system, said first, second, and third connection interfaces being configured for coupling by means of reversible fastening means (60) that ensures a hermetic seal of the system under pressure without the need for additional sealing materials.

The application discloses an erosion-resistant elbow and a preparation method thereof, and specifically comprises the following steps: (1) structure design and blank preparation; (2) preparation of cladding powder; (3) pretreatment; (4) laser cladding treatment; and (5) post-treatment. According to different erosion degrees of different regions of the inner wall of the elbow, different cladding layers are designed, and reasonable elbow structures and cladding materials are designed, so that the erosion-resistant performance of the inner wall of the elbow is maximally improved.

This application provides a method for installing an extra-large drainage system, comprising the following steps: S1. Arranging a sliding device along the installation axis inside the extra-large concrete pipe, and setting a lifting device on the sliding device; S2. Sliding x extra-large drainage systems sequentially to their corresponding positions on the sliding device using the lifting device, controlling the distance between two adjacent extra-large drainage systems to be a, where a is less than b; S3. Continuing to assemble the remaining (n-x) extra-large drainage systems, but controlling the distance between two adjacent extra-large drainage systems to be b; S4. Sliding the second to nth extra-large drainage systems together until the distance between the second and first extra-large drainage systems is b; repeating the above sliding process until the distance between the xth to (x-1th)th extra-large drainage systems is b, thus completing the installation of the extra-large drainage system. This application solves the problem of interference between lifting machinery and pipe cavities due to limited space, and realizes the installation of extra-large drainage systems in confined spaces.

To propose a fitting for a secondary pipeline of a double pipe system which can be produced in a simple and low-cost manner and in which it is possible to check the connecting points of the primary and secondary pipelines during assembly.SOLUTION: A fitting includes: two half-shells 2 composed of plastic, wherein each of the half-shells has an integrated heating wire, wherein each heating wire is arranged in the region of a connecting piece 4 and the heating wire has a plurality of meandering windings, wherein each heating wire is arranged in a groove provided for the heating wire in the half-shell; and connecting elements 7 which connect the two half-shells. The fitting has spacer elements arranged on the inner circumference of the half-shells for concentric arrangement of the fitting with respect to a primary pipeline.SELECTED DRAWING: Figure 1

The utility model relates to natural gas pipeline technical field, concretely relates to a kind of anti-erosion pipeline elbow, including spherical cavity and erosion-resistant layer, spherical cavity is equipped with fluid inlet pipe and fluid outlet pipe in the radial communication, the included angle of the axis of fluid inlet pipe and fluid outlet pipe is less than 180 °, fluid inlet pipe and fluid outlet pipe are symmetrically arranged in the middle section of spherical cavity, erosion-resistant layer is lined in spherical cavity inner wall, erosion-resistant layer is equipped with first hole and second hole, first hole is communicated with fluid inlet pipe, second hole is communicated with fluid outlet pipe. By being provided with spherical cavity between fluid inlet pipe and fluid outlet pipe with certain included angle state, fluid can flow along the arc inner wall of spherical cavity in turning position, reduce direct scouring to inner wall in turning position, to reduce the degree of erosion, extend the service life of elbow, simultaneously, by being provided with erosion-resistant layer in elbow, the erosion resistance of elbow can be improved, to further extend the service life of elbow.

The application relates to the technical field of water purification equipment, and provides a water outlet pipe structure of a water purifier, which comprises a water outlet pipe body, the water outlet pipe body comprises a first pipe body and a second pipe body which are communicated with each other and perpendicular to each other, water flows through the first pipe body and flows out along the pipe opening of the second pipe body, a rib is connected in the second pipe body, the central axis of the rib is in the same line with the central axis of the first pipe body, the rib extends to one side of the outlet of the second pipe body, and a spacing is left between the rib and the side wall of the second pipe body which is close to one side of the first pipe body. Based on the above, the water outlet pipe of the water purifier is leveled, and the economic burden is reduced.

To provide a powder mixture transport method which can stably pneumatically transport a powder mixture containing inorganic powder and can suppress piping wear.SOLUTION: In a method for pneumatically transporting a powder mixture 3, in which air is flowed inside a pipe 20 containing stainless steel material, and a powder mixture containing inorganic powder is transported by entraining air, an inner surface 20a of the pipe 20 has a hardness higher than that of an outer surface 20c of the pipe 20 through hardening treatment, the hardness of the inner surface 20a of the pipe 20 is at least 10 times that of the hardest inorganic powder contained in the powder mixture 3, the hardest inorganic powder has a hardness of at least 30 HV and an average particle size of at most 200 μm, the flow rate of the air flowing inside the pipe 20 is at least 200 m / min and at most 500 m / min, and the ratio of mass of the powder mixture 3 against the area S of the inside of the pipe 20 in a cross section perpendicular to the axial direction of the pipe 20 is at least 1.0×104 kg / m2 and at most 5.0×104 kg / m2.SELECTED DRAWING: Figure 1

The utility model discloses a high -performance silica gel fuel pipe, including large diameter pipe and small pipe, the outer wall of large diameter pipe is provided with first flange joint, the one end of small pipe is integrated with the second flange joint of first flange joint's adaptation, limiting component is used for preventing the dislocation of first flange joint and second flange joint in the connecting process, prevent the component of falling off, for limiting the axial separation of first flange joint and second flange joint, the utility model limiting component guarantees first flange joint and second flange joint accurate butt joint, make sealing surface close fitting, effectively promote the sealing performance, prevent medium leakage, prevent the component of falling off and locking component cooperation, form double protection, significantly enhance the axial tension resistance and the anti -external force impact ability of large diameter pipe and small pipe connection, avoid accidental uncoupling, the locking of locking component to prevent the component of falling off, ensure that the whole connecting structure keeps stable under complex working condition.

We propose a novel configuration for joints used to connect pipe materials. [Solution] A joint to which at least one pipe material is connected, forming a series of flow channels for fluid to flow inside the main body, wherein a first engaging portion and a second engaging portion are formed on the outside of the main body, and the first engaging portion and second engaging portion of one joint and the second engaging portion and first engaging portion of another joint are configured to engage with each other. Furthermore, the first engaging portion and the second engaging portion are formed on a connecting portion provided on the outside of the main body, with the first engaging portion formed on one side of the connecting portion and the second engaging portion formed on the other side of the connecting portion.

This utility model discloses a building waste discharge HPVC pipe fitting with an inspection mechanism. It includes a waste discharge pipe connecting pipe fixedly connected to the bottom of the waste discharge pipe fitting, a sealing cap threaded onto the outside of the connecting pipe, an inner liner assembly installed between the connecting pipe and the sealing cap, the inner liner assembly used to cover and seal the inspection hole, a sealing element slidingly engaging with the inside of the connecting pipe, the top of the sealing element matching the inner wall of the waste discharge pipe fitting, a limiting plate fixedly connected to the bottom of the sealing element, the limiting plate engaging between the connecting pipe and the sealing cap, and a drainage assembly disposed on the sealing element. This utility model utilizes the combined use of the waste discharge pipe fitting, connecting pipe, sealing cap, and inner liner assembly. The inner liner assembly includes a sealing element, a limiting plate, and a drainage assembly. The sealing element can cover and seal the inspection hole at the bottom of the waste discharge pipe fitting, thereby forming a flat, circular curved surface inside the waste discharge pipe fitting, reducing the accumulation of debris and impurities inside the connecting pipe.

The present invention relates to a connecting device (1) for a motor vehicle for connecting two lines. The connecting device (1) comprises a first receptacle (4) for the detachable retention of an end section (2a) of the first line (2) and a second receptacle (5) for the detachable retention of an end section (3a) of the second line (3). The first receptacle (4) is coupled to the second receptacle (5) for the transport of a medium from the first line (2) to the second line (3) or vice versa. Furthermore, the first receptacle and the second receptacle are arranged relative to each other such that, in the retained state of the end sections (2a, 3a), the outlet direction (a1) of the first line (2) forms an angle (α) of less than 180° with the outlet direction (a2) of the second line (3).The receptacles (4, 5) each have a secondary locking mechanism (7) for securing one of the end sections, wherein the secondary locking mechanism (7) preferably provides additional security against unintentional loosening of the end section (2a, 3a) due to vibrations, shaking, or movement of the connecting device, in contrast to a primary holding mechanism (6) of the end sections. This enables a simple, space-saving, and secure connection of two lines in the motor vehicle.

The utility model relates to the technical field of pipe fitting plugging, disclose a bend plugging mechanism, including the plugging structure and locking structure, the plugging structure includes flexible sealing element and hard joint piece, the thickness of hard joint piece extends along the first direction, and the side of hard joint piece along the first direction is jointed with flexible sealing element, to restrict flexible sealing element relative hard joint piece along the plane perpendicular to the first direction movement, the edge of hard joint piece is adjacent to the edge of flexible sealing element, and the side surface of flexible sealing element away from hard joint piece covers the leakage point of bend, the locking structure includes chain and locker, and the chain is jointed with hard joint piece away from flexible sealing element's side around bend, and the both ends along its length direction of chain are connected with locker and are taut through locker, to make flexible sealing element abut on the bend and plug the leakage point. The utility model discloses the plugging effect of bend plugging mechanism is good, and simple structure, convenient operation.

The utility model discloses a kind of leak-proof ferrule type outer thread elbow, the thickness of the waterproof antiskid rubber ring is less than the thickness of the stepped groove, the circumference of the inner circumference of the stress ring is consistent with the inner circumference of the through slot of the leftmost end inside movable ferrule, the inner buckle ring is conical structure, the stress ring, inner buckle ring, compression ring and movable ferrule integrally formed, the length of the ring groove is less than the length of the barrel groove;Thread two, pipe groove, leakage prevention cylinder, press groove and insert ring are provided on the second connecting end head;The inside of the movable ferrule is provided with thread groove, stepped groove, waterproof antiskid rubber ring, stress ring, inner buckle ring, compression ring, barrel groove, embedded interface, ring groove and through slot.This scheme effectively improves the leak-proof effect of thread elbow, avoids the phenomenon of traditional blade wear.

A tubular connecting member configured to interconnect a plurality of tubular members in a fluid flow system, the tubular connecting member comprising: - at least one primary outlet having a primary inflow / outflow direction, configured to connect to its outer end a primary tubular element having a cylindrical cross-section at least at its outer end; and - at least one secondary outlet having a secondary inflow / outflow direction, configured to connect to its outer end a secondary tubular element having a cylindrical cross-section at least at its outer end, wherein the secondary inflow / outflow direction is positioned at a non-zero angle with respect to the primary inflow / outflow direction, and the secondary outlet further comprises an inner portion having a non-circular, particularly elliptical, cross-section when viewed in a plane substantially perpendicular to the secondary inflow / outflow direction.

This invention relates to the field of water hinge technology, specifically a dual-channel water hinge, comprising a rotating ring with a rotating structure on its exterior, and a docking structure for connecting water channels connected to the rotating ring; an overflow structure connected within the rotating ring; the rotating structure is sealed using a third sealing structure, and the rotating ring and the rotating structure are sealed using a first sealing structure and a second sealing structure. The embedded dual-channel design saves on the number of parts and installation space, reduces weight, and improves the power-to-weight ratio; effectively reducing processing costs. The sealing assembly uses dynamic and static ring mechanical seals, which have advantages such as reliable performance, low leakage, long service life, automatic compensation, and no frequent maintenance, and can meet the sealing requirements of harsh working conditions such as high temperature, low temperature, high pressure, high vibration, and highly corrosive media.

A flow conduit comprising: in a first configuration thereof, a straight length of tubing (10) having a first open end, a second open end, an inner wall surrounding an interior flow conduit and extending from the first open end to the second open end, and an outer circumferential surface (16) extending from the first open end to the second open end, and a temperature control element (22) wound over the outer circumferential surface (16) and adhered thereto with an initial adherence material over an adhered length of the temperature control element (22); and in a second configuration the length of tubing (10) includes at least one bend therein and at least one portion of the tubing (10) extending from the bend, and the temperature control element (22) wound over the outer circumferential surface (16) is adhered to the outer circumferential surface (16) of the tubing (10) by the initial adherence material over the span of the bend and on the at least one portion of the tubing (10) extending therefrom.

The utility model relates to tempering protection device technical field, especially a kind of preheating burner tempering protection device for gasification device, including preheating burner, first guide ring, second guide surface, connecting sleeve, sealing disc, drainage portion, slide bar and limit sleeve, preheating burner is equipped with 90 ° bending structure in its export end, first guide ring is fixedly installed in preheating burner inner wall, and its bottom surface is equipped with first guide surface.The utility model wherein preheating burner is equipped with 90 ° bending structure in its export end, changes the axial ejection direction of traditional straight-through structure, forces flame to flow along bending path, makes high-temperature gas away from operating area, when tempering occurs, flame blocked by fire-retardant net, reverse airflow pushes sealing disc, drives sealing disc to close first guide ring, forms physical block, reduces flame from preheating burner and avoids preheating burner open end directly towards patrol channel and operator work area to cause direct burn threat.

The utility model discloses a kind of steel seamless elbow with inner support structure, it is related to pipe fitting technical field, to solve the technical problem of current high-angle elbow easy to damage, short service life, increase cost, including elbow and inner tube, the inner support component is installed in the elbow, the inner support component is composed of outer bending piece, buffer ring and inner bending piece, and outer bending piece and inner bending piece are connected by buffer ring, the inner tube is threadedly installed at the port of elbow, the outer side of the inner tube is fixed with outer cylinder by sleeve joint, sealing washer is embeddedly installed in the inner side of outer cylinder opening, and sealing washer is attached to the connecting portion of elbow and inner tube. The utility model has the advantages of internal auxiliary support improving elbow impact strength, improving service life and reducing cost.

This application belongs to the field of drainage pipeline technology and provides a drainage pipeline anti-settlement device. A first movable groove is set in the first fixed pipe and a second movable groove is set in the second fixed pipe. With the help of a first locking block and a second locking block, the connecting pipe has a certain amount of rotation and movement space when the ground settles, which can fully reduce the impact of ground settlement on the drainage pipeline and reduce the risk of damage to the drainage pipeline.

The utility model relates to pipeline connection technical field, and disclose a kind of for the quick butt joint fixing device of PE water supply pipe, including connecting pipe, the connecting pipe is L-shaped structure, both ends of connecting pipe are fixedly connected with bellows, the end of bellows is rotatably connected with connecting ring, the end of two bellows is movably connected with water supply pipe, the lower end outer wall of bellows is fixedly installed with support frame, and water supply pipe is supported by the end of support frame. In the utility model, the water supply pipe is connected by setting compressible bellows at the both ends of connecting pipe, and is equipped with the arc-shaped support block of end with ball, when installing in embedded groove encounters pipeline length slightly long or space is cramped, operator can compress one of bellows in advance, reduce the axial dimension of device, and the key installation operation space is released for the end of water supply pipe to be connected.

This invention provides an integrated slewing support device for port oil transport arms, solving the problems of difficult assembly, inconvenient maintenance, and insufficient operational reliability associated with the traditional separate structure of port oil transport arms. It also includes: a cover plate fixed to the bottom surface of the turntable; rollers positioned between the inner ring column and the outer ring sleeve to bear the overturning moment generated by the turntable; ball bearings positioned between the inner ring column and the outer ring sleeve to constrain the axial displacement of the inner ring column and the outer ring sleeve; a first connecting piece for connecting the cover plate and the flange; and a second connecting piece for connecting the cover plate and the outer ring sleeve. By fixing the flange and the outer ring sleeve to the turntable using the first and second connecting pieces, the traditional separate mechanism is eliminated, making it easier to ensure coaxiality, simplifying the structure, reducing assembly difficulty, and minimizing component wear; the optimized layout avoids space constraints and facilitates lubrication and maintenance; the rollers bear the overturning moment, and the ball bearings constrain axial displacement, replacing the single-row steel ball support, improving the overall operational reliability and extending the service life of the machine.

This application relates to a concrete pouring device for building construction, including a pouring pipe connected to a concrete mixer truck and a placing pipe installed on the pouring pipe. The placing pipe has a buffer structure, which includes an arc-shaped column installed inside the placing pipe. The arc-shaped column includes a vertical guide section and an arc-shaped guide section, with the arc-shaped guide section located outside the vertical guide section. The arc-shaped column is rotatably connected to the inner wall of the placing pipe. The arc-shaped column in this application buffers the falling concrete slurry within the placing pipe, reducing the risk of splashing due to excessively high flow velocity and impact force when the concrete slurry is discharged to the cast steel reinforcement skeleton. Furthermore, the gentle falling of the concrete slurry makes manual labor easier and allows for better control of the pouring site.

The invention relates to a pipe connector for fluid-communicating connection of fluid lines, comprising a housing with a receiving chamber, a connection nozzle, and a fluid-flowable channel, wherein the fluid-flowable channel has a first straight channel section and a curved channel section, the curved channel section being directly connected to the first straight channel section and being connectable to a second straight channel section. The curved channel section has an inner channel line and an outer channel line, the outer channel line being less curved than the inner channel line. The outer channel line of the curved channel section has, in particular, a length L over the entire extent of the curved channel section. The curved channel section has at least one widening.

This utility model provides a downpipe elbow, belonging to the technical field of elbows. It solves the problem of insufficient strength and easy damage of existing downpipe elbows. This downpipe elbow includes a bend with an inlet and an outlet, and a base. The top of the base is fixedly connected to the outwardly convex outer wall of the bend. The two sides of the base bottom protrude outwards from the bend. Each side of the base bottom has a fixing hole for fasteners, and the base contains several filling grooves. This downpipe elbow has the advantage of improving the strength of the elbow and preventing damage.

A multi-conduit system has a joiner section comprising a plurality of conduits in parallel and a joining end for connection to a plurality of exposed like conduits of an adjacent section in use. The conduits of the section terminate at a proximal end of the joining end which comprises a collar widens in diameter from the conduits to form an open mouth. The collar defines an inner profile having a plurality of lobes having respective inner profiles corresponding to outer profiles of respective exposed like conduits such that, in use, when the like conduits of the adjacent section are inserted into the mouth, the lobes of the collar non-rotatably engage the like conduits to correctly align each conduit of the section with a respective like conduit of the adjacent section.

The utility model discloses a kind of pipe fitting connecting ornament cover, with body unit and pre-cut unit arranged on the body unit;The body unit has body part, and the body part has multiple side wall bodies;The pre-cut unit has multiple pre-cut parts, and the pre-cut part is arranged on the side wall body of the body part: by which the pipe fitting connecting ornament cover can be used for various pipe fitting piping elbow connecting place cover decoration, so as to improve the convenience of the pipe fitting piping project and effectively reduce the cost of the pipe fitting piping project.

The application provides a kind of based on the measurement method of ellipticity of cross section of bend pipe of ring multi-point synchronous measurement, belongs to detection technical field, it solves the problem of not comprehensive of single point or a few points measurement, a kind of metal bend pipe ellipticity detection device, bottom platform is provided with two sets of motion platform, two sets of motion platform are used to move and adjust detection module in XY horizontal direction, positioning module is used to clamp the bend pipe to be measured and keep its axis in the same horizontal plane, motion platform is provided with rotating platform, two sets of motion platform make the center of rotating platform coincide with the bending center of bend pipe bending section, rotating platform is provided with the motion mechanism of detection module Z axis direction, and the Z axis direction of motion mechanism detection module is provided with annular detector, the motion of detection module Z axis vertical direction, position adjustment are realized by motion mechanism, so that the center of annular detector coincides with the axial center line of bend pipe, annular detector rotates around the cross section of bend pipe bending section, i.e. the ellipticity of the cross section can be measured.

This utility model provides a rotatable and retractable trachea with connectors, belonging to the field of tracheal tube technology. It includes a trachea body and trachea connectors. The trachea body includes a corrugated trachea with connectors at both ends, each connector being threaded to the trachea connector. The trachea connector includes a first connector and a second connector. The first connector has a first connecting sleeve at its tail end, with a first threaded groove inside. The first connector has a retractable first sealing plug inside, and the second connector also has a retractable second sealing plug inside. Both the first and second sealing plugs have sealing layers on their outer sides.

A push-to-connect fitting is provided. The push-to-connect fitting includes a connector body, a sealing member, a grab ring, a cartridge, a retainer sleeve, a plurality of latches, and an interference portion. The sealing member is configured to form a sealing engagement with a fluid conduit. The grab ring includes a plurality of teeth configured for coupling to the fluid conduit. The retainer sleeve is received over at least part of the cartridge and is received over at least part of the connector body. The plurality of latches are located on the retainer sleeve and are configured to secure the retainer sleeve to the connector body to facilitate retention of the sealing member, the grab ring, and the cartridge. The interference portion is configured to engage the retainer sleeve to substantially prevent rotation of the retainer sleeve relative to the connector body.