CN214466770U - Copper-plastic composite pipeline socket welding double-seal connecting structure - Google Patents

Abstract

The utility model discloses a copper-plastic composite pipe socket welding double-sealing connecting structure, which belongs to the field of composite pipes, and comprises a main pipe body, wherein the main pipe body comprises a central pipe, both ends of the central pipe are fixedly connected with connecting pipes, an insert is clamped on the inner wall of the central pipe, a sealing cover matched with the insert is clamped on the central pipe, one end of the connecting pipe, which is far away from the central pipe, is sleeved with a guide pipe, both ends of the guide pipe are both provided with clamping grooves matched with the connecting pipe, the inner wall of the clamping grooves is paved with a rubber sealing layer, a connecting end is connected between the guide pipe and the connecting pipes, the inner pipe body is fixedly connected in the guide pipe and the connecting pipes, both ends of the connecting end are respectively clamped with the inner pipe body in the connecting pipe and the guide pipe, the installation of the copper-plastic composite pipe can be conveniently realized, and the connection part of the pipe has higher stability and anti-vibration capability, the joint of the two pipelines is prevented from loosening.

Description

Copper-plastic composite pipeline socket welding double-seal connecting structure

Technical Field

The utility model relates to a compound pipeline field, more specifically say, relate to a compound pipeline socket joint welding double containment connection structure is moulded to copper.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.

In the process of pipeline construction, two pipes are often required to be spliced. The existing connection mode is mostly threaded connection, welding connection or clamping connection, and the connection mode has a plurality of defects: for example, the sealing performance of threaded connection is poor, and the threaded sliding fastener easily causes that the pipe fitting cannot be connected, but the current pipe connectors, such as flanges, flanges and the like, all adopt sealing gaskets or sealing ring structures, and the current sealing elements usually pay attention to the sealing performance or prolong the service life. When the sealing element is damaged, the sealing element of the whole system can be damaged differently, and the sealing element has to be replaced completely, so that huge waste is caused. The parking maintenance not only delays the production cycle, causes the waste in a large number of commodity circulation moreover, and present sealing member is not good to the connection cooperation of pipeline, and difficult supplementary pipe connection can only play sealed effect, and partial sealing member still hinders the connection compactness of pipeline well.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a compound pipeline socket joint welding dual seal connection structure is moulded to copper, it can realize the installation of convenient installation at the pipeline, and the junction of pipeline has higher stability and vibration resistance, prevents that the junction of two pipelines is not hard up.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A socket welding double-seal connecting structure of a copper-plastic composite pipeline comprises a main pipe body, wherein the main pipe body comprises a central pipe, connecting pipes are fixedly connected to two ends of the central pipe, inserts are clamped on the inner wall of the central pipe, sealing covers matched with the inserts are clamped on the central pipe, a pipe is sleeved at one end, away from the central pipe, of each connecting pipe, clamping grooves matched with the connecting pipes are drilled at two ends of each pipe, a rubber sealing layer is paved on the inner wall of each clamping groove, a connecting end is connected between each pipe and each connecting pipe, inner pipes are fixedly connected in the pipes and the connecting pipes, two ends of each connecting end are respectively clamped with the connecting pipes and the inner pipes in the pipes, each connecting end comprises a main ring body, a pair of inner concave rings are fixedly connected to the main ring body, and an outer convex ring is fixedly connected to the middle of the main ring body, the sealing ring is clamped between the inner concave ring and the inner pipe body, so that the pipeline can be conveniently installed, the joint of the pipeline has higher stability and vibration resistance, and the joint of the two pipelines is prevented from being loosened.

Further, the connecting pipe is cut on being close to the outer wall of pipe one end and is had a plurality of evenly distributed's spacing spout, sliding connection has the connecting plate in the spacing spout, the connecting plate includes straight board, the one end that straight board is close to the pipe is equipped with the folded plate, be connected with the hinge between straight board and the folded plate, be connected with fixing bolt between the terminal surface of folded plate and pipe, cut on the pipe cut have with fixing bolt assorted screw hole, through the connecting plate with the pipe with be responsible for the body lock dead fixed.

Furthermore, the wall thicknesses of the insert and the inner pipe body are the same as that of the connecting end, and the heights of the parts, protruding out of the main ring body, of the concave rings and the convex rings are matched with the wall thickness of the inner pipe body, so that gaps are not easy to generate after the main ring body is attached to the inner pipe body.

Furthermore, the inserts comprise copper pipes, a plurality of evenly distributed embedding rings are fixedly connected to the copper pipes, and clamping rings are fixedly connected to the two ends of each copper pipe.

Furthermore, a magnet layer is laid on the folded plate, an iron sheet layer is laid at the bottom end of the sliding groove, the exposed magnetic poles of the magnet layers of the folded plate on the connecting pipe are opposite, and when a catheter is not used, a technician can also speak of two main pipes through installing split bolts between the connecting plates of the two main pipes.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize the installation at the pipeline of convenient installation, and the junction of pipeline has higher stability and vibration resistance, prevents that the junction of two pipelines is not hard up.

(2) The connecting pipe is close to and chisels on the outer wall of pipe one end has a plurality of evenly distributed's spacing spout, sliding connection has the connecting plate in the spacing spout, and the connecting plate is equipped with the folded plate including straight board, and the straight board is close to the one end of pipe, is connected with the hinge between straight board and the folded plate, is connected with fixing bolt between the terminal surface of folded plate and pipe, chisels on the pipe have with fixing bolt assorted screw hole, through the connecting plate with the pipe with be responsible for the body lock dead fixed.

(3) The wall thickness of the insert and the inner pipe body is the same as that of the connecting end, and the height of the part, protruding out of the main ring body, of the inner concave ring and the outer convex ring is matched with the wall thickness of the inner pipe body, so that a gap is not easy to generate after the main ring body is attached to the inner pipe body.

(4) The folded plate upper berth is equipped with the magnet layer, and the iron sheet layer has been laid to the bottom of spout, and the exposed one end magnetic pole of magnet layer of folded plate is opposite on a pair of connecting pipe, and when not using the pipe, the technical staff still can say two main pipe body coupling through the installation split bolt between the connecting plate of two main pipe bodies.

Drawings

FIG. 1 is a partial perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3;

FIG. 5 is a schematic view of the structure at B in FIG. 3;

fig. 6 is a schematic structural diagram at C in fig. 4.

The reference numbers in the figures illustrate:

the device comprises a main pipe body 1, a central pipe 101, a connecting pipe 102, a sealing cover 103, an insert 2, a copper pipe 201, an embedding ring 202, a snap ring 203, an inner pipe body 3, a connecting end 4, a main ring body 401, an inner concave ring 402, an outer convex ring 403, a sealing ring 5, a guide pipe 6, a connecting plate 7, a straight plate 701, a folded plate 702, a hinge 703 and a fixing bolt 8.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a socket welding double-sealing connection structure for a copper-plastic composite pipeline includes a main pipe body 1, the main pipe body 1 includes a central pipe 101, both ends of the central pipe 101 are fixedly connected with connecting pipes 102, an insert 2 is clamped on the inner wall of the central pipe 101, a sealing cover 103 matched with the insert 2 is clamped on the central pipe 101, the wall thicknesses of the insert 2 and the inner pipe body 3 are the same as the wall thickness of the connecting end 4, and the height of the portion of the inner concave ring 402 and the outer convex ring 403 protruding out of the main ring body 401 is matched with the wall thickness of the inner pipe body 3, so that a gap is not easily generated after the main ring body 401 is attached to the inner pipe body 3. The insert 2 comprises a copper pipe 201, a plurality of evenly distributed embedding rings 202 are fixedly connected to the copper pipe 201, clamping rings 203 are fixedly connected to two ends of the copper pipe 201, a sealing ring is connected between the clamping rings 203 and the central pipe 101, and the copper pipe 201, the embedding rings 202 and the clamping rings 203 are integrally forged by the copper plate. The main pipe body 1 and the insert 2 are fixedly bonded through special polyolefin adhesive, and the surface of the main pipe body 1 is coated with a PP-R layer. The main pipe body 1 is made of ultra-high polyethylene material, the softening point of the main pipe body 1 is not lower than 80 ℃, and a heat insulation layer is laid between the main pipe body 1 and the insert 2, so that the main pipe body 1 is not easy to deform when the inner pipe body 3 is heated.

Referring to fig. 2-5, a conduit 6 is sleeved on one end of the connecting pipe 102 far from the central pipe 101, two ends of the conduit 6 are both provided with clamping grooves matched with the connecting pipe 102, a rubber sealing layer is laid on an inner wall of the clamping grooves, a connecting end 4 is connected between the conduit 6 and the connecting pipe 102, inner pipes 3 are fixedly connected in the conduit 6 and the connecting pipe 102, two ends of the connecting end 4 are respectively clamped with the connecting pipe 102 and the inner pipes 3 in the conduit 6, the connecting end 4 comprises a main ring body 401, a pair of inner concave rings 402 are fixedly connected to the main ring body 401, an outer convex ring 403 is fixedly connected to the middle of the main ring body 401, and the main ring body 401, the inner concave rings 402 and the inner concave rings 402 are integrally forged from a high-elasticity aluminum alloy material. A sealing ring 5 is clamped between the inner concave ring 402 and the inner pipe body 3;

referring to fig. 2-6, a plurality of evenly distributed limiting chutes are cut on the outer wall of the connecting pipe 102 near one end of the conduit 6, connecting plates 7 are slidably connected in the limiting chutes, each connecting plate 7 includes a straight plate 701, a folded plate 702 is arranged at one end of the straight plate 701 near the conduit 6, a hinge 703 is connected between the straight plate 701 and the folded plate 702, a fixing bolt 8 is connected between the folded plate 702 and the end surface of the conduit 6, a threaded hole matched with the fixing bolt 8 is cut on the conduit 6, the conduit 6 and the main pipe 1 are locked and fixed through the connecting plate 7, a magnet layer is laid on the folded plate 702, an iron sheet layer is laid at the bottom end of each chute, exposed magnetic poles of the magnet layers of the folded plates 702 on the pair of connecting pipes 102 are opposite, and when the conduit 6 is not used, a technician can connect the two main pipes 1 by installing a split bolt between the connecting plates 7 of the two main pipes 1.

The utility model provides a compound pipeline socket joint welding double containment connection structure is moulded to copper, the concrete operation of its installation is:

s1, sleeving sealing rings 5 at two ends of a connecting end 4, taking out folded plates 702 at two ends of the connecting pipe 102 and folding;

s2, heating the opening of the insert 2 to 60 degrees to slightly expand the opening of the insert 2, then clamping the connecting end 4 into the insert 2 until the convex ring 403 abuts against the inner pipe body 3, and then repeating the operation on the opening of the connecting end 4 to splice the insert 2 and the conduit 6 through the connecting end 4;

s3, rotating the guide tube 6 to align the threaded hole on the end face of the guide tube 6 with the folded flap 702, and then installing the fixing bolt 8 between the flap 702 and the guide tube 6 to lock the guide tube 6 and the connecting end 4;

s4, introducing cold air flow into the inner pipe body 3 to cool the inner pipe body 3 to the normal temperature and contract, and locking the inner pipe body 3 and the connecting end 4 at the moment.

Copper insert in this scheme and the connected mode of moulding an integration, do not need the assembly in the installation, simple to operate is swift, this scheme can realize the installation of convenient installation at the pipeline, during the transport rivers, rivers strike connection end 4, cushion through connecting connection end 4, the influence of the vibration that produces when reducing the rivers and carrying to two pipeline junctions, and the cooperation through connecting end 4 and sealing washer 5, the junction that makes the pipeline has higher stability and vibration resistance, prevent that the junction of two pipelines is not hard up, the junction that makes the pipeline has higher leakproofness.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a compound pipeline socket joint welding double containment connection structure is moulded to copper, includes main pipe body (1), its characterized in that: the main pipe body (1) comprises a central pipe (101), connecting pipes (102) are fixedly connected to two ends of the central pipe (101), inserts (2) are clamped on the inner wall of the central pipe (101), sealing covers (103) matched with the inserts (2) are clamped on the central pipe (101), a guide pipe (6) is sleeved at one end, away from the central pipe (101), of each connecting pipe (102), clamping grooves matched with the connecting pipes (102) are formed in two ends of each guide pipe (6), rubber sealing layers are paved on the inner walls of the clamping grooves, a connecting end head (4) is connected between each guide pipe (6) and each connecting pipe (102), inner pipe bodies (3) are fixedly connected in each guide pipe (6) and each connecting pipe (102), two ends of each connecting end head (4) are respectively clamped with the connecting pipes (102) and the inner pipe bodies (3) in each guide pipe (6), the connecting end head (4) comprises a main ring body (401), a pair of inner concave rings (402) is fixedly connected to the main ring body (401), an outer convex ring (403) is fixedly connected to the middle of the main ring body (401), and a sealing ring (5) is clamped between the inner concave rings (402) and the inner pipe body (3).

2. The socket welding double-seal connecting structure for the copper-plastic composite pipeline according to claim 1, characterized in that: connecting pipe (102) are close to cuts on the outer wall of pipe (6) one end have a plurality of evenly distributed's spacing spout, sliding connection has connecting plate (7) in the spacing spout, connecting plate (7) are including straight board (701), the one end that straight board (701) are close to pipe (6) is equipped with folded plate (702), be connected with hinge (703) between straight board (701) and folded plate (702), be connected with fixing bolt (8) between the terminal surface of folded plate (702) and pipe (6), cut on pipe (6) have with fixing bolt (8) assorted screw hole.

3. The socket welding double-seal connecting structure for the copper-plastic composite pipeline according to claim 1, characterized in that: the wall thicknesses of the insert (2) and the inner pipe body (3) are the same as that of the connecting end head (4), and the heights of the parts, protruding out of the main ring body (401), of the inner concave ring (402) and the outer convex ring (403) are matched with the wall thickness of the inner pipe body (3).

4. The socket welding double-seal connecting structure for the copper-plastic composite pipeline according to claim 1, characterized in that: the insert (2) comprises a copper pipe (201), a plurality of evenly distributed embedding rings (202) are fixedly connected to the copper pipe (201), and clamping rings (203) are fixedly connected to the two ends of the copper pipe (201).

5. The socket welding double-seal connecting structure for the copper-plastic composite pipeline according to claim 2, characterized in that: the folded plate (702) is paved with a magnet layer, the bottom end of the chute is paved with an iron sheet layer, and the exposed magnetic poles of the magnet layer of the folded plate (702) on the connecting pipe (102) are opposite.

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