CN101850611B - End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe - Google Patents
End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe Download PDFInfo
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- CN101850611B CN101850611B CN 201010122883 CN201010122883A CN101850611B CN 101850611 B CN101850611 B CN 101850611B CN 201010122883 CN201010122883 CN 201010122883 CN 201010122883 A CN201010122883 A CN 201010122883A CN 101850611 B CN101850611 B CN 101850611B
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- gas tube
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- tube
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Abstract
The invention relates to the field of the processing of steel-plastic composite pipes, in particular to an end enclosure structure of a medium-frequency heating device for the plastic processing of an inner lining of a steel pipe. The invention is realized by the following technical scheme that the end enclosure structure of the medium-frequency heating device for the plastic processing of the inner lining of the steel pipe comprises a process sleeve, wherein the process sleeve comprises a socketed pipe and a disk which is fixedly connected with one end of the socketed pipe. The end enclosure structure also comprises an expansion fixing assembly.
Description
Technical field
The present invention relates to the steel-plastics composite pipe manufacture field, particularly a kind of inner lining of steel pipe is moulded the end enclosure structure that frequency heating device is used in processing.
Background technology
Inner lining of steel pipe is moulded and is referred to that adhering to one deck plastic tube at steel pipe inner wall becomes steel-plastics composite pipe, plastic tube makes plastic tube adhere to steel pipe inner wall by frequency heating device heating steel pipe, in the time of heating, thereby this multiple tube is fixed in the socket of the end socket at steel-plastics composite pipe two ends and frequency heating device two ends.
Because the plastic tube at steel-plastics composite pipe two ends to be heated generally exceeds steel pipe one segment distance, therefore the general only simple and above-mentioned plastic tube socket that exceeds part of existing end socket, one end and the steel pipe of end socket offset, this socket join structure, it is inhomogeneous that thereby the gravity overwhelming majority who makes steel pipe is born the active force that makes between plastic tube and the steel pipe by plastic tube, the final bonding strength that affects between steel pipe and the plastic tube, the weak place of active force between plastic tube and the steel pipe particularly, both bonding strengths are obviously not enough.
Summary of the invention
The purpose of this invention is to provide the processing of a kind of pipe fitting with the end enclosure structure of frequency heating device, it can effectively improve in the background technology bonding strength at the weak place of active force between the steel pipe and plastic tube.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of inner lining of steel pipe is moulded the end enclosure structure that frequency heating device is used in processing, comprise process sleeve, process sleeve reaches the disk that is fixedly connected with socket pipe one end by socket pipe and forms, and this end enclosure structure also comprises the solid assembly that rises.
As of the present invention preferred, the latch components that the described solid assembly that rises comprises gas tube, is positioned at socket pipe and is fixedly connected with gas tube.
As of the present invention preferred, described latch components comprises and is fixed in the gas tube outer wall and near the first fastener of disk, the second fastener that is fixedly connected with gas tube one end, the pressure pipe that is placed in the gas tube periphery, pressure pipe is between the first fastener, the second fastener; The end that the first fastener and the second fastener break away from gas tube is equipped with to the convex edge of gas tube direction projection; Described latch components also comprises sealing ring, and the sealing ring both sides of the edge are respectively equipped with draw-in groove; Described convex edge falls within the draw-in groove; Described pressure pipe outer wall is close to sealing ring.
As of the present invention preferred, the isocon that the described solid assembly that rises also comprises and gas tube is socketed, isocon is stepped, has two steps.
As of the present invention preferred, described gas tube is positioned on the tube wall of socket pipe and has pore; Described pressure pipe axially has pore on the tube wall corresponding to sealing ring.
As of the present invention preferred, described disk and gas tube are slidingly connected; This end enclosure structure also comprises fastening assembly, and fastening assembly comprises the ring set that is fixedly arranged on the gas tube, is located at the spring between ring set and the disk, and ring set and spring are positioned at the disk outside.
As of the present invention preferred, described fastening assembly also comprises the back-up ring that is positioned at the ring set outside and is close to ring set.
As of the present invention preferred, the described solid assembly that rises also comprises with gas tube and is positioned at the source of the gas that the mouth of pipe in the disk outside communicates and is tightly connected.
In sum, the present invention has following beneficial effect:
1, after steel-plastics composite pipe and the socket of this end enclosure structure, source of the gas provides air-flow to gas tube and isocon respectively by pressure-reducing valve, and the air-flow in the gas tube provides pressure by pore to sealing ring, realizes the sealing between sealing ring and the plastic tube; Air-flow in the isocon enters in the plastic tube, provides pressure to plastic pipe inner wall, guarantees contact between plastic tube and the steel pipe tight, effectively improves the bonding strength between plastic tube and the steel pipe;
2, this end enclosure structure and steel-plastics composite pipe the socket the time, when socket pipe with after steel pipe contacts, this end enclosure structure also can be socketed and more go deep into a segment distance, spring produces deformation, make between socket pipe and the steel pipe and produce pressure, simultaneously effectively alleviate steel pipe gravity to the impact of plastic tube, the active force between plastic tube and the steel pipe is tended to balance.
Description of drawings
Fig. 1 is structural representation of the present invention;
Among the figure, 1, socket pipe, 2, disk, 3, gas tube, the 41, first fastener, the 42, second fastener, 43, pressure pipe, 411, the convex edge, 431, pore, 44, sealing ring, 441, draw-in groove, 5, isocon, 7, ring set, 8, spring, 9, back-up ring, 10, steel pipe, 11, plastic tube.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
This specific embodiment only is explanation of the invention; it is not limitation of the present invention; those skilled in the art can make the modification that does not have creative contribution to the present embodiment as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present invention.
A kind of inner lining of steel pipe is moulded processing with the end enclosure structure of frequency heating device, as shown in Figure 1, comprises process sleeve, solid assembly and fastening assembly rise.
Process sleeve reaches the disk 2 that is fixedly connected with socket pipe 1 one ends by socket pipe 1 and forms.
The solid assembly that rises comprises gas tube 3, with the isocon 5 of gas tube 3 socket, be positioned at the source of the gas that the mouth of pipe in figure dish 2 outsides communicates and be tightly connected, the latch components that is positioned at socket pipe 1 and is fixedly connected with gas tube 3 with gas tube 3; Gas tube 3 is the socket that cooperates really up to the mark with the socket mode of isocon 5, and isocon 5 is stepped, has two steps, gas tube 3 inside is divided into inside and outside two-layer; Source of the gas is not shown in the drawings, and source of the gas is generally pulsometer.
Latch components comprises and is fixed in gas tube 3 outer walls and near the first fastener 41 of disk 2, the second fastener 42 that is fixedly connected with gas tube 3 one ends, the pressure pipe 43 that is placed in gas tube 3 peripheries, pressure pipe 43 is between the first fastener 41, the second fastener 42; The end that the first fastener 41 and the second fastener 42 break away from gas tube 3 is equipped with to the convex edge 411 of gas tube 3 direction projections; Described latch components also comprises sealing ring 44, and sealing ring 44 both sides of the edge are respectively equipped with draw-in groove 441; Described convex edge 411 falls within the draw-in groove 441; Described pressure pipe 43 outer walls are close to sealing ring 44.
Gas tube 3 is positioned on the tube wall of socket pipe 1 and has pore 431; Described pressure pipe 43 axial locations are corresponding to also having pore 431 on the tube wall of sealing ring 44.
Disk 2 is slidingly connected with gas tube 3; Fastening assembly comprises the ring set 7 that is fixedly arranged on the gas tube 3, be located at spring 8 between ring set 7 and the disk 2, be positioned at ring set 7 outsides and be close to the back-up ring 9 of ring set 7, and ring set 7 is positioned at disk 2 outsides with spring 8.
Take accompanying drawing as benchmark, the left side of each parts is the outside, and the right is inboard.
After steel-plastics composite pipe and the socket of this end enclosure structure, pulsometer provides air-flow by pressure-reducing valve to gas tube 3 and isocon 5, air-flow in the gas tube 3 provides pressure for sealing ring 44 by pore 431, make sealing ring 44 middle outwards projections, reach dotted line place among Fig. 1, realize the sealing between sealing ring 44 and the plastic tube 11; Air-flow in the isocon 5 enters in the plastic tube 11, pressure is provided for plastic tube 11 inwalls, guarantees to contact between plastic tube 11 and the steel pipe 10 tight, effectively improves the bonding strength between plastic tube 11 and the steel pipe 10; Simultaneously, when socket pipe 1 with after steel pipe 10 contacts, this end enclosure structure also can be socketed and more go deep into a segment distance, make spring 8 produce deformation, make between socket pipe 1 and the steel pipe 10 and produce pressure, effectively alleviate steel pipe 10 gravity to the impact of plastic tube 11, the active force between plastic tube 11 and the steel pipe 10 is tended to balance.
Air-flow pressure in the isocon 5 is less than the air-flow pressure in the gas tube 3.
The material of described sealing ring 44 is silicon rubber; The material of described socket pipe 1 is polytetrafluoroethylene (PTFE).
Claims (1)
1. an inner lining of steel pipe is moulded the end enclosure structure that frequency heating device is used in processing, comprise process sleeve, process sleeve reaches the disk (2) that is fixedly connected with socket pipe (1) one end by socket pipe (1) and forms, and it is characterized in that: this end enclosure structure also comprises the solid assembly that rises;
The latch components that the described solid assembly that rises comprises gas tube (3), is positioned at socket pipe (1) and is fixedly connected with gas tube (3);
Described latch components comprises the first fastener (41), the second fastener (42) that is fixedly connected with gas tube (3) one ends that is fixed in gas tube (3) outer wall and close disk (2), the pressure pipe (43) that is placed in gas tube (3) periphery, and pressure pipe (43) is positioned between the first fastener (41), the second fastener (42); The first fastener (41) is equipped with to the convex edge (411) of gas tube (3) direction projection with the end that the second fastener (42) breaks away from gas tube (3); Described latch components also comprises sealing ring (44), and sealing ring (44) both sides of the edge are respectively equipped with draw-in groove (441);
Described convex edge (411) falls within the draw-in groove (441); Described pressure pipe (43) outer wall is close to sealing ring (44);
The isocon (5) that the described solid assembly that rises also comprises and gas tube (3) is socketed, isocon (5) is stepped, has two steps;
Described gas tube (3) is positioned on the tube wall of socket pipe (1) and has pore; Described pressure pipe (43) axially has pore on the tube wall corresponding to sealing ring (44);
Described disk (2) is slidingly connected with gas tube (3); This end enclosure structure also comprises fastening assembly, fastening assembly comprises the ring set (7) that is fixedly arranged on the gas tube (3), is located at the spring (8) between ring set (7) and the disk (2), and ring set (7) is positioned at disk (2) outside with spring (8);
Described fastening assembly also comprises the back-up ring (9) that is positioned at ring set (7) outside and is close to ring set (7);
The described solid assembly that rises also comprises with gas tube (3) and is positioned at the source of the gas that the mouth of pipe in disk (2) outside communicates and is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010122883 CN101850611B (en) | 2010-03-12 | 2010-03-12 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010122883 CN101850611B (en) | 2010-03-12 | 2010-03-12 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101850611A CN101850611A (en) | 2010-10-06 |
| CN101850611B true CN101850611B (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010122883 Active CN101850611B (en) | 2010-03-12 | 2010-03-12 | End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN101850611B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106626691A (en) * | 2016-12-26 | 2017-05-10 | 天津市必拓制钢有限公司 | Intermediate frequency heating device for internal film coating of steel-plastic composite pipe |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818123Y (en) * | 2005-08-04 | 2006-09-20 | 浙江金洲管道科技股份有限公司 | Plastic lining device of medium-frequency heating steel pipe |
| CN201609961U (en) * | 2010-03-12 | 2010-10-20 | 浙江金洲管道科技股份有限公司 | Seal head of a middle frequency heating device for processing the lining plastic in a steel pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05278143A (en) * | 1992-04-06 | 1993-10-26 | Sekisui Chem Co Ltd | Production of composite pipe |
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2010
- 2010-03-12 CN CN 201010122883 patent/CN101850611B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2818123Y (en) * | 2005-08-04 | 2006-09-20 | 浙江金洲管道科技股份有限公司 | Plastic lining device of medium-frequency heating steel pipe |
| CN201609961U (en) * | 2010-03-12 | 2010-10-20 | 浙江金洲管道科技股份有限公司 | Seal head of a middle frequency heating device for processing the lining plastic in a steel pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101850611A (en) | 2010-10-06 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe Effective date of registration: 20131212 Granted publication date: 20130220 Pledgee: Bank of China Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2013330000016 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141219 Granted publication date: 20130220 Pledgee: Bank of China Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2013330000016 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe Effective date of registration: 20141231 Granted publication date: 20130220 Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2014330000066 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151204 Granted publication date: 20130220 Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2014330000066 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: End enclosure structure of medium-frequency heating device for plastic processing of inner lining of steel pipe Effective date of registration: 20151222 Granted publication date: 20130220 Pledgee: Bank of China, Limited by Share Ltd, Huzhou branch Pledgor: Zhejiang Kingland Pipeline Technology Co., Ltd. Registration number: 2015980000273 |
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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model |