CN201126080Y - Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component - Google Patents

Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component Download PDF

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Publication number
CN201126080Y
CN201126080Y CNU2007200445212U CN200720044521U CN201126080Y CN 201126080 Y CN201126080 Y CN 201126080Y CN U2007200445212 U CNU2007200445212 U CN U2007200445212U CN 200720044521 U CN200720044521 U CN 200720044521U CN 201126080 Y CN201126080 Y CN 201126080Y
Authority
CN
China
Prior art keywords
metal
link
supply pipe
water
lining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CNU2007200445212U
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Chinese (zh)
Inventor
胡勇军
尹维中
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU SUNLIGHT CHUANSHANG TUBE CO Ltd
Original Assignee
SUZHOU SUNLIGHT CHUANSHANG TUBE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU SUNLIGHT CHUANSHANG TUBE CO Ltd filed Critical SUZHOU SUNLIGHT CHUANSHANG TUBE CO Ltd
Priority to CNU2007200445212U priority Critical patent/CN201126080Y/en
Application granted granted Critical
Publication of CN201126080Y publication Critical patent/CN201126080Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A compound plastic metal water feeding pipeline connecting structure comprises a compounded plastic metal water feeding pipeline and a compounded plastic metal water feeding pipeline connecting piece. The compounded plastic metal water feeding pipeline connecting piece has a port which can be connected to the compounded plastic metal water feeding pipeline; a slot is arranged on the connecting piece plastic layer near the port; one end of the compounded plastic metal water feeding pipeline is inserted into the slot; the connecting piece plastic layer is connected to the pipeline plastic layer; and the connecting piece metal inner lining is embedded in the interior of the pipeline metal inner lining; sealed rings made from expanding material with water is arranged outside the connecting piece metal inner lining near the port. A compound plastic metal water feeding pipe connecting piece is arranged with sealed rings made from expanding material with water outside the connecting piece metal inner lining near the port. After melting-connection of the plastic layer, the metal inner lining can achieve the socket connection; after the pipeline is connected to water, the sealed rings is expanding while contacting water, the gap among the metal inner linings are filled, achieving the sealed connection among the metal inner linings.

Description

Mould the metal water-supply pipe pipeline connecting structure again and mould the metal water-supply pipe link again
Technical field
The utility model relates to a kind ofly to be moulded the metal water-supply pipe pipeline connecting structure again and moulds the metal water-supply pipe link again.
Background technique
Mould the metal water-supply pipe road again and constitute, connect this link of moulding the metal water-supply pipe road again and also comprise metal and plastics double-layer structure by metal inner lining and outer plastic layer.The current metal water-supply pipe road of moulding again all is to be connected by the outer layer plastic hot melt with supporting link, install for convenience, the internal diameter of tube metal liner need be greater than the external diameter of link metal inner lining, and in this Placement, be that pro forma socket joint connects between the metal inner lining, do not have substantial sealing.So the hot melt quality of plastic layer directly influences the installation quality and the working life of whole tubing in actual use, the careless slightly whole system sealing that will cause is poor, even leaks, and brings enormous economic loss.
Summary of the invention
The purpose of this utility model is to provide a kind of and moulds the metal water-supply pipe pipeline connecting structure again and mould the metal water-supply pipe link again, can realize that not only the hot melt between the plastic layer connects, and can realize being tightly connected between the metal inner lining.
In order to reach above purpose, the technological scheme that the utility model adopted is:
A kind of metal water-supply pipe pipeline connecting structure of moulding again, comprise and mould the metal water-supply pipe road again and mould the metal water-supply pipe link again, the described metal water-supply pipe road of moulding again comprises the tube metal liner that is positioned at internal layer, be coated on the pipeline plastic layer of described tube metal liner outside, the described metal water-supply pipe link of moulding again also comprises the link metal inner lining that is positioned at internal layer, be coated on the link plastic layer of described link metal inner lining outside, described mould again have on the metal water-supply pipe link can with mould the port that the metal water-supply pipe road is connected again, on near link plastic layer this port, offer to allow and mould the slot that the metal water-supply pipe road inserts again, an end of moulding the metal water-supply pipe road again inserts this slot, the link plastic layer is connected with the pipeline plastic layer, and the link metal inner lining is nested in tube metal liner inside, is provided with the seal ring of being made by water-swellable material between described link metal inner lining and the described tube metal liner.
Near the compressed part that described link metal inner lining has one section external diameter to diminish port, described seal ring is enclosed within on this compressed part.
Described seal ring to the distance of port greater than 1 millimeter.
A kind of metal water-supply pipe link of moulding again, comprise the link metal inner lining that is positioned at internal layer, the link plastic layer that is coated on described link metal inner lining outside, described mould again have on the metal water-supply pipe link can with mould the port that the metal water-supply pipe road is connected again, offer to allow near link plastic layer this port and mould the slot that the metal water-supply pipe road inserts again, the outer installment of described link metal inner lining has the seal ring of being made by water-swellable material near port.
Near the compressed part that described link metal inner lining has one section diameter to diminish port, described seal ring is arranged on this compressed part.
The external diameter of described seal ring is less than the external diameter of port link metal inner lining.
Described seal ring to the distance of port greater than 1 millimeter.
Owing to adopted above technological scheme, so the utlity model has following advantage: because the outer installment of link metal inner lining has seal ring near port, the sealing circle is made by water-swellable material, and the external diameter of seal ring is less than the internal diameter of tube metal liner, so after the connection of plastic layer hot melt, metal inner lining can realize that equally socket joint connects, and after water flowing in the pipeline, the seal ring water-swellable, its volume increases, space between link metal inner lining and the tube metal liner is filled up fully, and maintenance certain force of strain, as long as have this tension force of water just can keep in the pipeline, realized being tightly connected between the metal inner lining always.
Description of drawings
Accompanying drawing 1 is moulded metal water-supply pipe pipeline connecting structure schematic representation again for the utility model;
Accompanying drawing 2 is moulded the structural representation of metal water-supply pipe link again for the utility model.
Wherein: 1, link plastic layer; 2, link metal inner lining; 3, seal ring; 4, pipeline plastic layer; 5, tube metal liner; 6, mould the metal water-supply pipe road again; 7, compressed part; 8, mould the metal water-supply pipe link again; 9, port; 10, slot.
Embodiment
As shown in Figure 1, a kind of metal water-supply pipe pipeline connecting structure of moulding again, comprise and mould metal water-supply pipe road 6 again and mould metal water-supply pipe link 8 again, this is moulded metal water-supply pipe road 6 again and comprises the tube metal liner 5 that is positioned at internal layer, be coated on the pipeline plastic layer 4 of tube metal liner 5 outsides, mould metal water-supply pipe link 8 again and also comprise the link metal inner lining 2 that is positioned at internal layer, be coated on the link plastic layer 1 of link metal inner lining 2 outsides, mould again have on the metal water-supply pipe link 8 can with mould the port 9 that metal water-supply pipe road 6 is connected again, the external diameter of link metal inner lining 2 is less than the internal diameter of tube metal liner 5 near this port 9, so that link metal inner lining 2 can insert 5 li of pipeline metal inner linings smoothly, on near link plastic layer 1 port 9, offer to allow and mould the slot 10 that metal water-supply pipe road 6 inserts again, can insert this slot 10 easily with after pipeline plastic layer 4 hot melts, finish butt joint, link metal inner lining 2 is nested in tube metal liner 5 inside.
In order to realize being tightly connected between the metal inner lining, the utility model is moulded again in the metal water-supply pipe linkage structure and be provided with seal ring 3 between link metal inner lining 2 and tube metal liner 5, sealing circle 3 is made by water-swellable material, near the compressed part 7 that link metal inner lining 2 has one section external diameter to diminish port 9, seal ring 3 are enclosed within on this compressed part 7.In order to guarantee certain intensity that is tightly connected, seal ring 3, makes to have certain butt joint length between the metal inner lining greater than 1 millimeter to the distance of port in the present embodiment.
As shown in Figure 2, a kind of metal water-supply pipe link of moulding again, comprise the link metal inner lining 2 that is positioned at internal layer, the link plastic layer 1 that is coated on link metal inner lining 2 outsides, mould again have on the metal water-supply pipe link 8 can with mould the port 9 that metal water-supply pipe road 6 is connected again, offer to allow near link plastic layer 1 this port 9 and mould the slot 10 that metal water-supply pipe road 6 inserts again, the outer installment of described link metal inner lining 2 has the seal ring of being made by water-swellable material 3 near port 9.Link metal inner lining 2 has the compressed part through diminishing 7 outside a section in the present embodiment near port 9, seal ring 3 is arranged on the outer peripheral surface of this compressed part 7, and the external diameter of seal ring 3 is less than the external diameter of port link metal inner lining 2, and seal ring 3 arrives the distance of port greater than 1 millimeter.
In actual the use, at first with pipeline plastic layer 4 hot melts, to mould metal water-supply pipe road 6 then again inserts in the slot 10, link metal inner lining 2 is nested in tube metal liner 5 inside, can realize moulding again the metal water-supply pipe link and mould docking of metal water-supply pipe road again after the plastic layer cooling, but link metal inner lining 2 remains pro forma socket joint relation with tube metal liner 5, does not have substantial being tightly connected.After the whole tubing water flowing, seal ring 3 water-swellables, volume increases, space between link metal inner lining 2 and the tube metal liner 5 is filled up fully, compressed part 7 compresses mutually with tube metal liner 5, seal ring 3 can also keep certain force of strain, as long as have this tension force of water just can keep in the pipeline always, realized being tightly connected between the metal inner lining, make the hot melt sealing of the existing plastic layer of connection part, seal ring Expansion sealing between the metal inner lining is arranged again, improved the compressive strength of whole tubing, make pipe-line system more firm, safety.

Claims (7)

1, a kind of metal water-supply pipe pipeline connecting structure of moulding again, comprise and mould metal water-supply pipe road (6) again and mould metal water-supply pipe link (8) again, the described metal water-supply pipe road (6) of moulding again comprises the tube metal liner (5) that is positioned at internal layer, be coated on the outside pipeline plastic layer (4) of described tube metal liner (5), the described metal water-supply pipe link (8) of moulding again also comprises the link metal inner lining (2) that is positioned at internal layer, be coated on the outside link plastic layer (1) of described link metal inner lining (2), described mould again have on the metal water-supply pipe link (8) can with mould the port (9) that metal water-supply pipe road (6) is connected again, on near link plastic layer (1) this port (9), offer to allow and mould the slot (10) that metal water-supply pipe road (6) inserts again, an end of moulding metal water-supply pipe road (6) again inserts this slot (10), link plastic layer (1) is connected with pipeline plastic layer (4), and link metal inner lining (2) is nested in tube metal liner (5) inside, it is characterized in that: be provided with the seal ring of being made by water-swellable material (3) between described link metal inner lining (2) and the described tube metal liner (5).
2, the metal water-supply pipe pipeline connecting structure of moulding again according to claim 1, it is characterized in that: near the compressed part (7) that described link metal inner lining (2) has one section external diameter to diminish port (9), described seal ring (3) is enclosed within on this compressed part (7).
3, the metal water-supply pipe pipeline connecting structure of moulding again according to claim 1 is characterized in that: described seal ring (3) arrives the distance of port (9) greater than 1 millimeter.
4, a kind of metal water-supply pipe link of moulding again, comprise the link metal inner lining (2) that is positioned at internal layer, be coated on the outside link plastic layer (1) of described link metal inner lining (2), described mould again have on the metal water-supply pipe link (8) can with mould the port (9) that metal water-supply pipe road (6) is connected again, offer to allow near link plastic layer (1) this port (9) and mould the slot (10) that metal water-supply pipe road (6) inserts again, it is characterized in that: the outer installment of described link metal inner lining (2) has the seal ring of being made by water-swellable material (3) near port (9).
5, the metal water-supply pipe link of moulding again according to claim 4 is characterized in that: near the compressed part (7) that described link metal inner lining (2) has one section external diameter to diminish port (9), described seal ring (3) is enclosed within on this compressed part (7).
6, the metal water-supply pipe link of moulding again according to claim 4 is characterized in that: the external diameter of described seal ring (3) is located the external diameter of link metal inner lining (2) less than port (9).
7, the metal water-supply pipe link of moulding again according to claim 4 is characterized in that: described seal ring (3) arrives the distance of port (9) greater than 1 millimeter.
CNU2007200445212U 2007-10-17 2007-10-17 Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component Expired - Lifetime CN201126080Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200445212U CN201126080Y (en) 2007-10-17 2007-10-17 Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200445212U CN201126080Y (en) 2007-10-17 2007-10-17 Plastic coated metallic water supply pipe joint structure and plastic coated metallic water supply pipe connecting component

Publications (1)

Publication Number Publication Date
CN201126080Y true CN201126080Y (en) 2008-10-01

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Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003583A (en) * 2010-11-15 2011-04-06 汪仕斌 Socket ring-compression single-ring metal pipe fitting and connecting method thereof
CN102072372A (en) * 2010-11-15 2011-05-25 汪仕斌 Socket ring-pressing type double-ring metal pipe fitting and connecting method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003583A (en) * 2010-11-15 2011-04-06 汪仕斌 Socket ring-compression single-ring metal pipe fitting and connecting method thereof
CN102072372A (en) * 2010-11-15 2011-05-25 汪仕斌 Socket ring-pressing type double-ring metal pipe fitting and connecting method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Effective date of abandoning: 20071017