CN204921973U - Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises - Google Patents
Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises Download PDFInfo
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- CN204921973U CN204921973U CN201520617929.9U CN201520617929U CN204921973U CN 204921973 U CN204921973 U CN 204921973U CN 201520617929 U CN201520617929 U CN 201520617929U CN 204921973 U CN204921973 U CN 204921973U
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Abstract
The utility model provides a compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises, include the parent tube and be located parent tube and the bushing pipe coaxial with the parent tube, the both ends of parent tube are equipped with the cover respectively and establish the sealed clamping ring on the bushing pipe, are equipped with the cover between sealed clamping ring and the bushing pipe and establish the waterproof sealing circle on the bushing pipe, along radially having seted up first through -hole on the sealed clamping ring, be equipped with the air bleeding valve of be used for discharging parent tube inner wall and a bushing pipe outer wall air in the first through -hole. The utility model provides a compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises both can do benefit to air escape between basic bushing pipe, can prevent again that water from getting into between the basic bushing pipe to can guarantee that the bushing pipe can go on freely stretching out and drawing back in the axial, optimize the compound pipe liquid of the bimetal shaping waterproof technology that rises, improved the shaping quality of compound pipe again greatly when having reduced manufacturing cost. The device mechanism has the advantage that simple structure, simple to operate, reliability are high, with low costs.
Description
Technical field
The utility model relates to a kind of composite bimetal pipe, is specifically related to a kind of composite bimetal pipe liquid and rises shaping base bushing pipe gap water-tight device.
Background technique
In recent years along with the fast development of China's economy, growing to energy demand, for meeting market demand, the exploitation of oil gas field, progressively to deep-well, ocean, the contour corrosive environment future development of remote continental, therefore needs the exploitation high-quality tubing of resistance to peracidity.Composite bimetal pipe is made up of the metal tube of two kinds of unlike materials: base tube is high strength carbon steel tubing, inside liner is corrosion resistance alloy, formed by various distortion and interconnection technique between tube layer and combine closely, tubing had both had good intensity and corrosion resistance, and cost is low, obtain the extensive accreditation of domestic and international market, development rapidly.
One of composite bimetal pipe main forming mode is produced in liquid shaping of rising, and guaranteeing between base bushing pipe that air is all discharged and do not intake between base lining, is one of key factor improving its forming quality.At present, for preventing base bushing pipe water inlet problem, tratitional technology is welded with bushing pipe end by base tube, but this technique all being discharged for allowing air between base bushing pipe, needing in the punching of base tube end, and carrying out vacuumizing process with special device, this formation technique is complicated, and limiting the free deformation of bushing pipe, composite pipes shaping needs end puncture site to excise after completing in addition, improves manufacture cost.
Model utility content
The purpose of this utility model is the waterproof technology complexity overcoming existing composite bimetal pipe, and water-tight device manufacture cost is high, and limits the free deformation of bushing pipe.
For this reason, the utility model provides a kind of composite bimetal pipe liquid and to rise shaping base bushing pipe gap water-tight device, comprise base tube and be positioned at base tube and the bushing pipe coaxial with base tube, the two ends of described base tube are respectively equipped with the seal joint be set on bushing pipe, are provided with the waterproof grommet be set on bushing pipe between seal joint and bushing pipe;
Seal joint radially offering the first through hole, in the first through hole, being provided with the outlet valve for discharging air between base tube inwall and bushing pipe outer wall.
Described seal joint is provided with diameter reducing part near side, base tube end, diameter reducing part is arranged with base tube end face seal, and base tube end face seal contacts with base tube end part seal.
Described outlet valve is one-way valve, is made up of valve seat, sealed steel ball, spring, and sealed steel ball and spring are all positioned at valve seat, and one end of spring is fixedly connected with the inwall of valve seat, and one end is connected with sealed steel ball in addition;
Valve seat offers second through hole coaxial with the first through hole, spring, and the diameter of sealed steel ball is greater than the diameter of the second through hole, sealed steel ball is located near bushing pipe one end.
Described seal joint is made up of two semicircular potential dividing rings, is connected by screw between two potential dividing rings.
The internal diameter of described seal joint is greater than the internal diameter of base tube, and the external diameter of seal joint is consistent with the internal diameter of base tube, and the diameter of waterproof grommet is less than the diameter of bushing pipe.
Lip-shaped sealed ring is selected in described base tube end face seal.
The beneficial effects of the utility model: this composite bimetal pipe liquid that the utility model provides rises shaping base bushing pipe gap water-tight device, both can be beneficial to air between base bushing pipe to discharge, can enter between base bushing pipe by anti-sealing again, and can ensure that lining pipe is axially carrying out free-extension, optimize composite bimetal pipe liquid rise be shaped waterproof technology, while reducing manufacture cost, substantially increase again the forming quality of composite pipe.This equipment mechanism has the advantage that structure is simple, easy for installation, reliability is high, cost is low.
Below with reference to accompanying drawing, the utility model is described in further details.
Accompanying drawing explanation
Fig. 1 is that composite bimetal pipe liquid rises the structural representation of shaping base bushing pipe gap water-tight device.
Fig. 2 is that gas flow in composite bimetal pipe is to schematic diagram.
Fig. 3 is the structural representation of outlet valve.
Fig. 4 is the sectional view of seal joint.
Fig. 5 is the plan view of seal joint.
Description of reference numerals: 1, bushing pipe; 2, base tube; 3, base tube end face seal; 4, outlet valve; 5, waterproof grommet; 6, seal joint; 7, the first through hole; 8, diameter reducing part; 9, the second through hole; 10, potential dividing ring.
Embodiment
Further the composite bimetal pipe liquid shaping base bushing pipe gap water-tight device that rises is described in detail below with reference to such as figure.
embodiment 1:
In order to overcome the defect of the base bushing pipe water-tight device of existing composite bimetal pipe, as shown in Figure 1, present embodiments provide a kind of composite bimetal pipe liquid to rise shaping base bushing pipe gap water-tight device, comprise base tube 2 and be positioned at base tube 2 and the bushing pipe 1 coaxial with base tube 2, the two ends of described base tube 2 are respectively equipped with the seal joint 6 be set on bushing pipe 1, are provided with the waterproof grommet 5 be set on bushing pipe 1 between seal joint 6 and bushing pipe 1; Seal joint 6 radially offers in the first through hole 7, first through hole 7 outlet valve 4 be provided with for discharging air between base tube 2 inwall and bushing pipe 1 outer wall.
As Fig. 2, arrow in figure represents water, gas enters the central core of circulation of composite bimetal pipe, but employing liquid rises, the key of formation technique production composite bimetal pipe is to guarantee not intake between base tube 2 and bushing pipe 1, and for ensureing composite pipes shaping quality, need to ensure that the air between base tube 2 and bushing pipe 1 can be discharged smoothly, therefore the utility model composite bimetal pipe liquid provided as shown in Figure 1 rises shaping base bushing pipe gap water-tight device, concrete, seal joint 6 selects stainless steel, seal joint 6 tightly be fixed on waterproof grommet 5, guarantee that water can not enter from the end face of base tube 2, the section of waterproof grommet 5 is rectangle, and its Material selec-tion is the good rubber material of elasticity, and waterproof grommet 5 is close to the outer wall of bushing pipe 1 and the inwall of seal joint 6, and anti-sealing enters from the surface of bushing pipe 1, and outlet valve 4 is one-way valve structures, can only unidirectionally open, while can discharging smoothly realizing the air between base tube 2 and bushing pipe 1, anti-sealing enters in the gap between base tube 2 and bushing pipe 1.
Rise in forming process at composite bimetal pipe liquid, due to bushing pipe 1 enlarged diameter, therefore bushing pipe 1 meeting axial shortening, this composite bimetal pipe liquid that the utility model provides rises not exist between the base tube 2 of shaping base bushing pipe gap water-tight device and bushing pipe 1 and is rigidly connected, therefore the axial deformation of bushing pipe 1 can not be limited, therefore can not axial prestress be produced, can greatly simplify original waterproof technology, and improve the forming quality of composite pipe.
This composite bimetal pipe liquid that the utility model provides rises shaping base bushing pipe gap water-tight device, both can be beneficial to air between base bushing pipe to discharge, can enter between base bushing pipe by anti-sealing again, and can ensure that lining pipe is axially carrying out free-extension, optimize composite bimetal pipe liquid rise be shaped waterproof technology, while reducing manufacture cost, substantially increase again the forming quality of composite pipe.This equipment mechanism has the advantage that structure is simple, easy for installation, reliability is high, cost is low.
embodiment 2:
On the basis of embodiment 1, further, as shown in Figure 1 and Figure 4, described seal joint 6 is provided with diameter reducing part 8 near side, base tube 2 end, diameter reducing part 8 is arranged with base tube end face seal 3, and base tube end face seal 3 contacts with base tube 2 end part seal.
Seal joint 6 tightly be fixed on waterproof grommet 5, certain axial force is applied to base tube end face seal 3, guarantee that water can not enter from the end face of base tube 2, seal joint 6 and base tube end face seal 3 with the use of, guarantee that composite bimetal pipe liquid rises the waterproofing effect of shaping base bushing pipe gap water-tight device further.
embodiment 3:
On the basis of embodiment 1, as shown in Figure 3, described outlet valve 4 is one-way valve, be made up of valve seat 401, sealed steel ball 402, spring 403, sealed steel ball 402 and spring 403 are all positioned at valve seat 401, one end of spring 403 is fixedly connected with the inwall of valve seat 401, and one end is connected with sealed steel ball 402 in addition; Valve seat 401 offers second through hole 9 coaxial with the first through hole 7, spring 403, and the diameter of sealed steel ball 402 is greater than the diameter of the second through hole 9, sealed steel ball 402 is located near bushing pipe 1 one end.
It should be noted that, outlet valve 4 is positioned at the first through hole 7 of seal joint 6, sealed steel ball 402 rely on the strength of spring 403 tightly be crushed in valve seat 401, and contact with the second through hole 9, when there is air between base tube 2 and the gap of bushing pipe 1, air is by the first through hole 7, air pressure is utilized to push sealed steel ball 402 open, sealed steel ball 402 is separated with the second through hole 9, spring 403 is in compressive state, final air is discharged by valve seat 401, the air realized between base tube 2 and bushing pipe 1 is discharged smoothly, simultaneously, because outlet valve 4 is one-way valve, gap between base tube 2 and bushing pipe 1 can be entered by effectively anti-sealing.
embodiment 4:
On the basis of embodiment 1 or embodiment 2, it should be noted that, as shown in Figure 5, described seal joint 6 is made up of two semicircular potential dividing rings 10, is connected by screw between two potential dividing rings 10.
Specifically, seal joint 6 is to opening structure, when after waterproof grommet 5 installation, is arranged on waterproof grommet 5 respectively by two potential dividing rings 10, and being designed to by seal joint 6 opening structure is in order to easy for installation.
embodiment 5:
On the basis of embodiment 1, scuffing is had for preventing seal joint 6 pairs of bushing pipes 1, the internal diameter of described seal joint 6 is greater than the internal diameter of base tube 2, for avoiding it on the impact of other structures, the external diameter of seal joint 6 is consistent with the internal diameter of base tube 2, the diameter of waterproof grommet 5 is less than the diameter of bushing pipe 1, therefore can only bind round on bushing pipe 1, and anti-sealing enters from bushing pipe 1 surface.
embodiment 6:
On the basis of embodiment 2, lip-shaped sealed ring is selected in described base tube end face seal 3, during installation, one of them lip limit is pressed on base tube 2 end face, and anti-sealing enters the gap between base tube 2 and bushing pipe 1 from base tube 2 end face.
This composite bimetal pipe liquid that the utility model provides rises shaping base bushing pipe gap water-tight device, both can be beneficial to air between base bushing pipe to discharge, can enter between base bushing pipe by anti-sealing again, and can ensure that lining pipe is axially carrying out free-extension, optimize composite bimetal pipe liquid rise be shaped waterproof technology, while reducing manufacture cost, substantially increase again the forming quality of composite pipe.This equipment mechanism has the advantage that structure is simple, easy for installation, reliability is high, cost is low.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection scope of the present invention with the same or analogous design of the utility model.The parts that the present embodiment does not describe in detail and structure belong to the well-known components of the industry and common structure or conventional means, do not describe one by one here.
Claims (6)
1. a composite bimetal pipe liquid rises shaping base bushing pipe gap water-tight device, comprise base tube (2) and be positioned at base tube (2) and the bushing pipe (1) coaxial with base tube (2), it is characterized in that: the two ends of described base tube (2) are respectively equipped with the seal joint (6) be set on bushing pipe (1), between seal joint (6) and bushing pipe (1), be provided with the waterproof grommet (5) be set on bushing pipe (1);
Seal joint (6) radially offering the first through hole (7), in the first through hole (7), being provided with the outlet valve (4) for discharging air between base tube (2) inwall and bushing pipe (1) outer wall.
2. a kind of composite bimetal pipe liquid as claimed in claim 1 rises shaping base bushing pipe gap water-tight device, it is characterized in that: described seal joint (6) is provided with diameter reducing part (8) near base tube (2) side, end, diameter reducing part (8) is arranged with base tube end face seal (3), base tube end face seal (3) contacts with base tube (2) end part seal.
3. a kind of composite bimetal pipe liquid as claimed in claim 1 rises shaping base bushing pipe gap water-tight device, it is characterized in that: described outlet valve (4) is one-way valve, be made up of valve seat (401), sealed steel ball (402), spring (403), sealed steel ball (402) and spring (403) are all positioned at valve seat (401), one end of spring (403) is fixedly connected with the inwall of valve seat (401), and one end is connected with sealed steel ball (402) in addition;
Valve seat (401) offers second through hole (9) coaxial with the first through hole (7), spring (403), and the diameter of sealed steel ball (402) is greater than the diameter of the second through hole (9), sealed steel ball (402) is located near bushing pipe (1) one end.
4. a kind of composite bimetal pipe liquid as claimed in claim 1 or 2 rises shaping base bushing pipe gap water-tight device, it is characterized in that: described seal joint (6) is made up of two semicircular potential dividing rings (10), be connected by screw between two potential dividing rings (10).
5. a kind of composite bimetal pipe liquid as claimed in claim 1 rises shaping base bushing pipe gap water-tight device, it is characterized in that: the internal diameter of described seal joint (6) is greater than the internal diameter of base tube (2), the external diameter of seal joint (6) is consistent with the internal diameter of base tube (2), and the diameter of waterproof grommet (5) is less than the diameter of bushing pipe (1).
6. a kind of composite bimetal pipe liquid as claimed in claim 2 rises shaping base bushing pipe gap water-tight device, it is characterized in that: described base tube end face seal (3) selects lip-shaped sealed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617929.9U CN204921973U (en) | 2015-08-17 | 2015-08-17 | Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520617929.9U CN204921973U (en) | 2015-08-17 | 2015-08-17 | Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921973U true CN204921973U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520617929.9U Active CN204921973U (en) | 2015-08-17 | 2015-08-17 | Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises |
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| CN (1) | CN204921973U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134947A (en) * | 2015-08-17 | 2015-12-09 | 中国重型机械研究院股份公司 | Bimetal-composite-pipe liquid expansion forming base-pipe and liner-pipe gap waterproof device |
| CN111033095A (en) * | 2017-08-22 | 2020-04-17 | 马勒国际有限公司 | Sealing device for exhaust gas cooler |
-
2015
- 2015-08-17 CN CN201520617929.9U patent/CN204921973U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134947A (en) * | 2015-08-17 | 2015-12-09 | 中国重型机械研究院股份公司 | Bimetal-composite-pipe liquid expansion forming base-pipe and liner-pipe gap waterproof device |
| CN111033095A (en) * | 2017-08-22 | 2020-04-17 | 马勒国际有限公司 | Sealing device for exhaust gas cooler |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |