CN202118428U - Socket type composite pipe joint - Google Patents
Socket type composite pipe joint Download PDFInfo
- Publication number
- CN202118428U CN202118428U CN2011202251769U CN201120225176U CN202118428U CN 202118428 U CN202118428 U CN 202118428U CN 2011202251769 U CN2011202251769 U CN 2011202251769U CN 201120225176 U CN201120225176 U CN 201120225176U CN 202118428 U CN202118428 U CN 202118428U
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- protective layer
- plastic protective
- pipe coupling
- metallic pipe
- pipeline section
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Abstract
The utility model provides a socket type composite pipe joint which comprises a metal pipe joint skeleton and is characterized in that a plurality of through holes are arranged on the pipe wall of the metal pipe joint skeleton; an inner plastic protective layer and an outer plastic protective layer are respectively formed on the inner wall and the outer wall of the metal pipe joint skeleton through extrusion molding; and the inner plastic protective layer and the outer plastic protective layer are combined into a whole body through the through holes. As the plurality of through holes are arranged on the pipe wall of the metal pipe joint skeleton and the inner plastic protective layer and the outer plastic protective layer are combined into the whole body through the through holes, the inner plastic protective layer, the outer plastic protective layer and the metal pipe joint skeleton can be stably connected both in the axial direction and in the circumferential direction, thereby preventing the axial movement and circumferential rotation of the inner plastic protective layer and the outer plastic protective layer and increasing the connecting stability and sealing reliability of the socket type composite pipe joint.
Description
Technical field
The utility model relates to a kind of pipe joint, relates in particular to the spigot and socket type multiunit tube joint.
Background technique
Plastic pipe connects generally to adopt electric heating to melt and dock and connects, and pipeline connection construction needs professional equipment, workmen's technical merit is had relatively high expectations, and only is used in the pipeline connection of diameter less than 500mm.Existing spigot and socket type pipe joint comprises and pipe joint shape corresponding metal pipe joint skeleton; Inwall at the metallic pipe coupling skeleton is provided with interior plastic protective layer; Plastic protective layer outside the outer wall of metallic pipe coupling skeleton is provided with; The shape of the shape of interior plastic protective layer, outer plastic protective layer and metallic pipe coupling skeleton adapts; The tube wall of metallic pipe coupling skeleton is the sealing shape, is separated by the metallic pipe coupling skeleton between interior plastic protective layer and the outer plastic protective layer, and existing this spigot and socket type pipe joint has the high advantage of intensity; But interior plastic protective layer, outer plastic protective layer produce creeping deformation easily with between the metallic pipe coupling skeleton, become flexible, come off, are connected instability, thereby have reduced the sealing reliability of spigot and socket type pipe joint.
The model utility content
The technical problem that the utility model solves is: a kind of spigot and socket type multiunit tube joint is provided, not only can improves the strength and stiffness of pipe joint, and pipe joint is not easy to produce creeping deformation, the reliability of raising pipe joint connection stability and sealing.
The technological scheme of the utility model is: a kind of spigot and socket type multiunit tube joint; Comprise the metallic pipe coupling skeleton; It is characterized in that: have some through holes on the tube wall of said metallic pipe coupling skeleton; Plastic protective layer and outer plastic protective layer in the inner and outer wall of metallic pipe coupling skeleton forms respectively through extrusion molding, said interior plastic protective layer and said outer plastic protective layer combine through said through hole and are integral; In said between the inwall of outer wall and the said metallic pipe coupling skeleton of plastic protective layer, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of said outer plastic protective layer and said metallic pipe coupling skeleton.
The inwall of at least one mouth of pipe of plastic protective layer is provided with seal groove in said.
Said through hole is distributed on the tube wall of said metallic pipe coupling skeleton.
Said metallic pipe coupling skeleton comprise a straight length and with the integrated enlarging pipeline section of said straight length, be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section.
Said metallic pipe coupling skeleton is the three-way pipe shape.
Said metallic pipe coupling skeleton comprises an elbow pipeline section and the enlarging pipeline section that lays respectively at elbow pipeline section two ends, and said elbow pipeline section and said two enlarging pipeline sections are formed in one, and are provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section.
Said metallic pipe coupling skeleton comprise a straight length and with the integrated flange plate of said straight length, the interior plastic protective layer of said flange plate end face is provided with seal boss.
Said metallic pipe coupling skeleton comprises integrated straight length, enlarging pipeline section and flange plate; Said flange plate and said enlarging pipeline section lay respectively at the two ends of said straight length; Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section, the interior plastic protective layer of said flange plate end face is provided with seal boss.
Said metallic pipe coupling skeleton comprise a straight length and two lay respectively at said straight length two ends and with the integrated enlarging pipeline section of straight length, be provided with thermal conductor in the interior plastic protective layer of each enlarging pipeline section.
Said metallic pipe coupling skeleton comprise a straight length and with the integrated enlarging pipeline section of said straight length, be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section, said in the two ends mouth of pipe inwall of plastic protective layer be respectively arranged with seal groove.
The beneficial effect of the utility model is: owing to have some through holes on the tube wall of metallic pipe coupling skeleton; Interior plastic protective layer and said outer plastic protective layer combine through through hole and are integral; Therefore between plastic protective layer in, outer plastic protective layer and the metallic pipe coupling skeleton axial and circumferential all can be firm be connected; Prevented moving axially and circumferentially rotating of interior plastic protective layer, outer plastic protective layer; The connective stability and the sealing reliability of the utility model have been improved; And because in said between the inwall of outer wall and the said metallic pipe coupling skeleton of plastic protective layer, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of said outer plastic protective layer and said metallic pipe coupling skeleton, the steadiness and the sealing that are connected between interior plastic protective layer, outer plastic protective layer and the metallic pipe coupling skeleton have further been improved.
Description of drawings
Fig. 1 is embodiment one a structural representation;
Fig. 2 is the P place enlarged diagram of Fig. 1;
Fig. 3 is the structural representation of the steel pipe skeleton among the embodiment one;
Fig. 4 is embodiment two a structural representation;
Fig. 5 is embodiment three a structural representation;
Fig. 6 is embodiment four a structural representation;
Fig. 7 is embodiment five a structural representation;
Fig. 8 is embodiment six a structural representation;
Fig. 9 is embodiment seven a structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Embodiment one
Referring to Fig. 1～Fig. 3, a kind of spigot and socket type multiunit tube joint comprises metallic pipe coupling skeleton 1, the metallic pipe coupling skeleton comprise a straight length 1a and with the integrated enlarging pipeline section of straight length 1b.All have some through hole 1c of even layout on the tube wall of metallic pipe coupling skeleton straight length 1a and on the tube wall of metallic pipe coupling skeleton enlarging pipeline section 1b.The quantity of through hole 1c is confirmed according to the diameter of metallic pipe coupling skeleton 1; The diameter of metallic pipe coupling skeleton 1 is big more; The quantity of through hole 1c is many more; Plastic protective layer 2 and outer plastic protective layer 3 in the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding, interior plastic protective layer 2 combines through through hole 1c with outer plastic protective layer 3 and is integral, and the shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1.Be adhesively fixed each other through adhesive layer 4a between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer 4b between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.The inwall of a mouth of pipe of interior plastic protective layer 2 is provided with seal groove 5a and seal groove 5b, and seal groove 5a and seal groove 5b are near the port position of metal frame enlarging pipeline section 1b.Be provided with thermal conductor 6 in the interior plastic protective layer of enlarging pipeline section; Thermal conductor 6 in the present embodiment is a heating wire; Thermal conductor can also be heating silk screen or heating tape; When inserting pipeline in the pipe joint, both gather as a whole to make the interior plastic protective layer of enlarging pipeline melt the back with the pipeline outer wall that inserts flared section after the thermal conductor energising.
Embodiment two
Referring to Fig. 4, a kind of spigot and socket type multiunit tube joint comprises metallic pipe coupling skeleton 1, and metallic pipe coupling skeleton 1 is the three-way pipe shape, has some through holes on the tube wall of metallic pipe coupling skeleton 1, and through hole is distributed on the tube wall of metallic pipe coupling skeleton 1.In the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding plastic protective layer 2 with outside plastic protective layer 3; Interior plastic protective layer 2 and outer plastic protective layer 3 combine through through hole and are integral; The shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1 and is the three-way pipe shape, and the inwall of three mouths of pipe of interior plastic protective layer is respectively arranged with seal groove 5a and seal groove 5b.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.
Embodiment three
Referring to Fig. 5; A kind of spigot and socket type multiunit tube joint; Comprise metallic pipe coupling skeleton 1, metallic pipe coupling skeleton 1 comprises an elbow pipeline section and the enlarging pipeline section that lays respectively at elbow pipeline section two ends, and elbow pipeline section and two enlarging pipeline sections are formed in one; All have some through holes on the elbow pipeline section of metallic pipe coupling skeleton 1 and the tube wall of two enlarging pipeline sections, through hole is distributed on the tube wall of elbow pipeline section and two enlarging pipeline sections of metallic pipe coupling skeleton 1.In the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding plastic protective layer 2 with outside plastic protective layer 3; Interior plastic protective layer 2 and outer plastic protective layer 3 combine through through hole and are integral; The shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1 and is the swan neck shape, and the inwall of the two ends mouth of pipe of interior plastic protective layer 2 is respectively arranged with seal groove 5a and seal groove 5b.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.Be respectively equipped with thermal conductor in the interior plastic protective layer of each enlarging pipeline section; Thermal conductor in the present embodiment is a heating wire; Thermal conductor can also be heating silk screen or heating tape; When inserting pipeline in the pipe joint, both gather as a whole to make the interior plastic protective layer of enlarging pipeline melt the back with the pipeline outer wall that inserts flared section after the thermal conductor energising.
Embodiment four
Referring to Fig. 6; A kind of spigot and socket type multiunit tube joint; Comprise metallic pipe coupling skeleton 1, said metallic pipe coupling skeleton 1 comprises straight length, enlarging pipeline section and flange plate, and straight length, enlarging pipeline section and flange plate are one-body molded; Said flange plate and said enlarging pipeline section lay respectively at the two ends of said straight length, and the interior plastic protective layer of said flange plate end face is provided with seal boss.All have some through holes on the straight length tube wall of metallic pipe coupling skeleton, enlarging pipeline section tube wall and the flange plate, through hole is distributed on straight length tube wall, enlarging pipeline section tube wall and the flange plate of metallic pipe coupling skeleton.In the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding plastic protective layer 2 with outside plastic protective layer 3; Interior plastic protective layer 2 and outer plastic protective layer 3 combine through through hole and are integral, and the shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1.The inwall of a mouth of pipe of interior plastic protective layer 2 is provided with seal groove 5a and seal groove 5b, and the two seals groove is near the port position of metal frame enlarging pipeline section.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section; Thermal conductor in the present embodiment is a heating wire; Thermal conductor can also be heating silk screen or heating tape; When inserting pipeline in the pipe joint, both gather as a whole to make the interior plastic protective layer of enlarging pipeline melt the back with the pipeline outer wall that inserts flared section after the thermal conductor energising.
Embodiment five
Referring to Fig. 7, a kind of spigot and socket type multiunit tube joint comprises metallic pipe coupling skeleton 1, the metallic pipe coupling skeleton comprise a straight length and two lay respectively at the straight length two ends and with the integrated enlarging pipeline section of straight length.All have some through holes on the tube wall of metallic pipe coupling skeleton straight length and on the tube wall of two enlarging pipeline sections of metallic pipe coupling skeleton, through hole is distributed on the tube wall of metallic pipe coupling skeleton.In the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding plastic protective layer 2 with outside plastic protective layer 3; Interior plastic protective layer combines through through hole with outer plastic protective layer and is integral; The shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1, and the inwall of the two ends mouth of pipe of interior plastic protective layer 2 is respectively arranged with seal groove 5a and seal groove 5b.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section; Thermal conductor in the present embodiment is a heating wire; Thermal conductor can also be heating silk screen or heating tape; When inserting pipeline in the pipe joint, both gather as a whole to make the interior plastic protective layer of enlarging pipeline melt the back with the pipeline outer wall that inserts flared section after the thermal conductor energising.
Embodiment six
Referring to Fig. 8, a kind of spigot and socket type multiunit tube joint comprises metallic pipe coupling skeleton 1, the metallic pipe coupling skeleton comprise a straight length and with the integrated flange plate of said straight length, the interior plastic protective layer of said flange plate end face is provided with seal boss.All have some through holes on the tube wall of metallic pipe coupling skeleton straight length and the flange plate, through hole be distributed on the tube wall of straight length with flange plate on.In the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding plastic protective layer 2 with outside plastic protective layer 3; Interior plastic protective layer 2 and outer plastic protective layer 3 combine through through hole and are integral, and the shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.
Embodiment seven
Referring to Fig. 9, a kind of spigot and socket type multiunit tube joint comprises metallic pipe coupling skeleton 1, the metallic pipe coupling skeleton comprise a straight length and with the integrated enlarging pipeline section of straight length.All have some through holes of even layout on the tube wall of metallic pipe coupling skeleton straight length and on the tube wall of metallic pipe coupling skeleton enlarging pipeline section.The quantity of through hole is confirmed according to the diameter of metallic pipe coupling skeleton 1; The diameter of metallic pipe coupling skeleton 1 is big more; The quantity of through hole is many more; Plastic protective layer 2 and outer plastic protective layer 3 in the inner and outer wall of metallic pipe coupling skeleton 1 forms respectively through extrusion molding, interior plastic protective layer 2 and outer plastic protective layer 3 combine through through hole and are integral, and the shape of interior plastic protective layer 2 and outer plastic protective layer 3 all adapts with the shape of metallic pipe coupling skeleton 1.Between the inwall of the outer wall of interior plastic protective layer 2 and metallic pipe coupling skeleton 1, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of outer plastic protective layer 3 and metallic pipe coupling skeleton 1.The two ends mouth of pipe inwall of interior plastic protective layer 2 is respectively arranged with seal groove 5a and seal groove 5b.Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section; Thermal conductor in the present embodiment is a heating wire; Thermal conductor can also be heating silk screen or heating tape; When inserting pipeline in the pipe joint, both gather as a whole to make the interior plastic protective layer of enlarging pipeline melt the back with the pipeline outer wall that inserts flared section after the thermal conductor energising.
Claims (10)
1. spigot and socket type multiunit tube joint; Comprise the metallic pipe coupling skeleton; It is characterized in that: have some through holes on the tube wall of said metallic pipe coupling skeleton; Plastic protective layer and outer plastic protective layer in the inner and outer wall of metallic pipe coupling skeleton forms respectively through extrusion molding, said interior plastic protective layer and said outer plastic protective layer combine through said through hole and are integral; In said between the inwall of outer wall and the said metallic pipe coupling skeleton of plastic protective layer, be adhesively fixed each other through adhesive layer respectively between the outer wall of the inwall of said outer plastic protective layer and said metallic pipe coupling skeleton.
2. according to the described spigot and socket type multiunit tube joint of claim 1, it is characterized in that: the inwall of at least one mouth of pipe of plastic protective layer is provided with seal groove in said.
3. according to the described spigot and socket type multiunit tube joint of claim 1, it is characterized in that: said through hole is distributed on the tube wall of said metallic pipe coupling skeleton.
4. according to the described spigot and socket type multiunit tube joint of claim 1, it is characterized in that: said metallic pipe coupling skeleton comprise a straight length and with the integrated enlarging pipeline section of said straight length, be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section.
5. according to the described spigot and socket type multiunit tube joint of claim 1, it is characterized in that: said metallic pipe coupling skeleton is the three-way pipe shape.
6. according to the described spigot and socket type multiunit tube joint of claim 1; It is characterized in that: said metallic pipe coupling skeleton comprises an elbow pipeline section and the enlarging pipeline section that lays respectively at elbow pipeline section two ends; Said elbow pipeline section and said two enlarging pipeline sections are formed in one, and are provided with thermal conductor in the interior plastic protective layer of each enlarging pipeline section.
7. according to the described spigot and socket type multiunit tube joint of claim 1, it is characterized in that: said metallic pipe coupling skeleton comprise a straight length and with the integrated flange plate of said straight length, the interior plastic protective layer of said flange plate end face is provided with seal boss.
8. according to the described spigot and socket type multiunit tube joint of claim 1; It is characterized in that: said metallic pipe coupling skeleton comprises integrated straight length, enlarging pipeline section and flange plate; Said flange plate and said enlarging pipeline section lay respectively at the two ends of said straight length; Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section, the interior plastic protective layer of said flange plate end face is provided with seal boss.
9. according to the described spigot and socket type multiunit tube joint of claim 1; It is characterized in that: said metallic pipe coupling skeleton comprise a straight length and two lay respectively at said straight length two ends and with the integrated enlarging pipeline section of straight length, be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section.
10. according to the described spigot and socket type multiunit tube joint of claim 1; It is characterized in that: said metallic pipe coupling skeleton comprise a straight length and with the integrated enlarging pipeline section of said straight length; Be provided with thermal conductor in the interior plastic protective layer of enlarging pipeline section, the two ends mouth of pipe inwall of said interior plastic protective layer is respectively arranged with seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202251769U CN202118428U (en) | 2011-06-29 | 2011-06-29 | Socket type composite pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202251769U CN202118428U (en) | 2011-06-29 | 2011-06-29 | Socket type composite pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118428U true CN202118428U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202251769U Expired - Fee Related CN202118428U (en) | 2011-06-29 | 2011-06-29 | Socket type composite pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278559A (en) * | 2011-06-29 | 2011-12-14 | 四川金易管业有限公司 | Socket-and-spigot composite pipe joint |
-
2011
- 2011-06-29 CN CN2011202251769U patent/CN202118428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278559A (en) * | 2011-06-29 | 2011-12-14 | 四川金易管业有限公司 | Socket-and-spigot composite pipe joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20140629 |
|
| EXPY | Termination of patent right or utility model |