CN206093241U - Ni -based compound pipe - Google Patents
Ni -based compound pipe Download PDFInfo
- Publication number
- CN206093241U CN206093241U CN201621146397.6U CN201621146397U CN206093241U CN 206093241 U CN206093241 U CN 206093241U CN 201621146397 U CN201621146397 U CN 201621146397U CN 206093241 U CN206093241 U CN 206093241U
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- mounting groove
- nickel
- pipe fitting
- sealing ring
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Abstract
The utility model discloses a ni -based compound pipe, including the pipe fitting body, the fixed flange that is provided with of pipe fitting body right -hand member, be provided with first sealing washer mounting groove on flange's the right -hand member face, the sealing washer mounting groove is circular recess, the pipe fitting body includes that nickel base alloys inlayer, stainless steel intermediate level and plastics are outer, the outer connection of nickel base alloys inlayer, stainless steel intermediate level and plastics constitutes an organic whole, the left end of nickel base alloys inlayer is provided with second sealing washer mounting groove, second sealing washer mounting groove is the annular groove, be provided with the internal thread on the wall of second sealing washer mounting groove, second sealing washer mounting groove female connection has rubber seal, the outer surface left end of plastics is provided with connecting portion, is provided with the external screw thread on these connecting portion. Above -mentioned technical scheme, structural design is reasonable, simple structure, low in manufacturing cost, sealing washer connect reliably, and sealing performance is good.
Description
Technical field
This utility model is related to pipe fitting technical field, and in particular to a kind of Ni-based multiple tube.
Background technology
At present, the metal material for possessing improved corrosion performance is mainly nickel-base alloy.But nickel-base alloy price is per ton up to
400000 yuan or so, existing nickel-base alloy tubular construction also Shortcomings:Structure setting is unreasonable, and nickel-base alloy is more using material,
Cause pipe fitting manufacturing cost high, enterprise is difficult to bear;And sealing ring easily loosens when connecting, leakage, sealing property are susceptible to
Difference, causes service life short.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of reasonable in design, structure
Simply, low cost of manufacture, sealing ring connection are reliable, the Ni-based multiple tube of good seal performance.
For achieving the above object, this utility model provides following technical scheme:A kind of Ni-based multiple tube, including pipe fitting sheet
Body, the pipe fitting body right-hand member are fixedly installed adpting flange, and the first sealing ring is provided with the right side of the adpting flange
Mounting groove, the sealing ring mounting groove be circular groove, the pipe fitting body include nickel-base alloy internal layer, rustless steel intermediate layer and
Plastic outer layer, the nickel-base alloy internal layer, rustless steel intermediate layer and plastic outer layer connect and compose one, the nickel-base alloy internal layer
Left end be provided with the second sealing ring mounting groove, second sealing ring mounting groove is annular groove, the second sealing ring peace
Female thread is provided with the wall of tankage, the second sealing ring mounting groove female thread is connected with rubber seal, the plastics
The outer surface left end of outer layer is provided with connecting portion, is provided with external screw thread on the connecting portion.
By adopting above-mentioned technical proposal, rustless steel intermediate layer and plastic outer layer are provided with outside nickel-base alloy internal layer, can
To save nickel-bass alloy material, so as to reduce manufacturing cost, and corrosion resistance is good;Connecting flange structure arranges reasonable, and first is close
Pipe fitting right-hand member good airproof performance is caused after existing sealing ring is installed in seal mounting groove, is difficult to loosen;Nickel-base alloy endothecium structure
Arrange reasonable, rubber seal is convenient to mount and dismount, connection is reliable, be difficult to loosen so that pipe fitting left end good airproof performance, service life
It is long;Connecting portion is installed rationally, easy to connect between pipe fitting and pipe fitting, and practicality is good.
This utility model is further arranged to:Annular groove, the ring are additionally provided with the outer surface of the plastic outer layer
One paint, the outer surface of the one paint and the flush with outer surface of plastic outer layer are coated with connected in star.By this setting,
Structure setting is more reasonable, and one paint can send fluorescence under dark surrounds, and assembly and disassembly operations is convenient, is easy to maintenance.
This utility model is further arranged to:It is solid between the left side of the adpting flange and the outer surface of plastic outer layer
Surely some pieces of bosses are provided with, at least provided with four connecting holes on the adpting flange.By this setting, structure setting is more
Adduction is managed, and connects relatively reliable, and sealing property is more preferable.
This utility model is further arranged to:The thickness of the nickel-base alloy internal layer is 0.5-10mm, in the middle of rustless steel
The thickness of layer is 1-12mm, and the thickness of plastic outer layer is 0.5-5mm.By this setting, each thickness degree arranges reasonable, manufacturer
Just, low cost of manufacture, corrosion resistance are good.
This utility model is further arranged to:The hole of the endoporus of the rubber seal and the endoporus of nickel-base alloy internal layer
Footpath is equal, and the left end of rubber seal is provided with extension, the extension stretch out the left side 2 of nickel-base alloy internal layer-
5mm.By this setting, structure setting is more reasonable so that pipe fitting left end better tightness.
The utility model has the advantages that:Compared with prior art, this utility model structure setting is more reasonable, in Ni-based conjunction
Rustless steel intermediate layer and plastic outer layer are provided with outside golden internal layer, nickel-bass alloy material can be saved, so as to reduce manufacturing cost, and
Corrosion resistance is good;Connecting flange structure arranges reasonable, causes pipe fitting after installing existing sealing ring in the first sealing ring mounting groove
Right-hand member good airproof performance, is difficult to loosen;Nickel-base alloy endothecium structure arranges reasonable, and rubber seal is convenient to mount and dismount, and connection is reliable, no
Easily loosen so that pipe fitting left end good airproof performance, long service life;Connecting portion is installed rationally, is connected between pipe fitting and pipe fitting
Convenient, practicality is good.
With reference to Figure of description and specific embodiment, the utility model is described in further detail.
Description of the drawings
Structural representations of the Fig. 1 for this utility model embodiment.
Specific embodiment
Referring to Fig. 1, a kind of Ni-based multiple tube disclosed in this utility model, including pipe fitting body 1, the pipe fitting body 1 are right
End is fixedly installed adpting flange 2, and the first sealing ring mounting groove 21 is provided with the right side of the adpting flange 2, described close
Seal mounting groove 21 is circular groove, and the pipe fitting body 1 includes outside nickel-base alloy internal layer 11, rustless steel intermediate layer 12 and plastics
Layer 13, the nickel-base alloy internal layer 11, rustless steel intermediate layer 12 and plastic outer layer 13 connect and compose one, in the nickel-base alloy
The left end of layer 11 is provided with the second sealing ring mounting groove 111, and second sealing ring mounting groove 111 is annular groove, and described the
Female thread is provided with the wall of two sealing ring mounting grooves 111,111 female thread of the second sealing ring mounting groove is connected with rubber
Sealing ring 3, the outer surface left end of the plastic outer layer 13 are provided with connecting portion 131, are provided with external screw thread on the connecting portion 131.
Used as preferred, pipe fitting body 1 is cylindrical structural, and the plastic outer layer 13 adopts existing engineering plastic materials
It is integrally formed after being adhesively fixed by existing binding agent with rustless steel intermediate layer 12, the rustless steel intermediate layer 12 and Ni-based conjunction
Golden internal layer 11 is by being welded and fixed or being integrally formed after being threaded connection.
To make this utility model structure more reasonable, as preferred, the outer surface of plastic outer layer 13 described in the present embodiment
On be additionally provided with annular groove 132, is coated with one paint 4, the outer surface of the one paint 4 in the annular groove 132
With the flush with outer surface of plastic outer layer 13.
Some pieces of bosses 5 are fixedly installed between the left side of the adpting flange 2 and the outer surface of plastic outer layer 13,
At least provided with four connecting holes 22 on the adpting flange 2.As preferred, boss 5 at least provided with four pieces, some pieces plus
Strong block 5 is uniformly distributed along the outer surface annular of plastic outer layer 3.
The thickness of the nickel-base alloy internal layer 11 is 0.5-10mm, and the thickness in rustless steel intermediate layer 12 is 1-12mm, is moulded
The thickness of material outer layer 13 is 0.5-5mm.
The endoporus of the rubber seal 3 is equal with the aperture of the endoporus of nickel-base alloy internal layer 11, and rubber seal 3
Left end is provided with extension, and the extension stretches out the 2-5mm of left side of nickel-base alloy internal layer 11.
During practical application, rustless steel intermediate layer and plastic outer layer are provided with outside nickel-base alloy internal layer, can be saved Ni-based
Alloy material, so as to reduce manufacturing cost, and corrosion resistance is good;Connecting flange structure arranges reasonable, the first sealing ring mounting groove
It is interior existing sealing ring is installed after cause pipe fitting right-hand member good airproof performance, be difficult to loosen;Nickel-base alloy endothecium structure arranges reasonable, rubber
Glue sealing ring is convenient to mount and dismount, and connection is reliable, is difficult to loosen so that pipe fitting left end good airproof performance, long service life;Connecting portion position
Arrange reasonable, easy to connect between pipe fitting and pipe fitting, practicality is good.
Above-described embodiment is served only for being further described this utility model, no to specific descriptions of the present utility model
It is understood that to be restriction to this utility model protection domain, the content pair of the technician of this area according to above-mentioned utility model
This utility model is made some nonessential modifications and adaptations and is each fallen within protection domain of the present utility model.
Claims (5)
1. a kind of Ni-based multiple tube, including pipe fitting body (1), it is characterised in that:Pipe fitting body (1) right-hand member is fixedly installed
Adpting flange (2), is provided with the first sealing ring mounting groove (21), the sealing ring peace on the right side of the adpting flange (2)
Tankage (21) is circular groove, and the pipe fitting body (1) includes nickel-base alloy internal layer (11), rustless steel intermediate layer (12) and plastics
Outer layer (13), the nickel-base alloy internal layer (11), rustless steel intermediate layer (12) and plastic outer layer (13) connect and compose one, described
The left end of nickel-base alloy internal layer (11) is provided with the second sealing ring mounting groove (111), and second sealing ring mounting groove (111) is
Annular groove, is provided with female thread, second sealing ring mounting groove on the wall of second sealing ring mounting groove (111)
(111) female thread is connected with rubber seal (3), and the outer surface left end of the plastic outer layer (13) is provided with connecting portion (131),
The connecting portion is provided with external screw thread on (131).
2. a kind of Ni-based multiple tube according to claim 1, it is characterised in that:On the outer surface of the plastic outer layer (13)
It is additionally provided with annular groove (132), the annular groove (132) and is coated with one paint (4), the one paint (4)
The flush with outer surface of outer surface and plastic outer layer (13).
3. a kind of Ni-based multiple tube according to claim 2, it is characterised in that:The left side of the adpting flange (2) with
Some pieces of bosses (5) are fixedly installed between the outer surface of plastic outer layer (13), on the adpting flange (2) at least provided with
Four connecting holes (22).
4. a kind of Ni-based multiple tube according to claim 1 or 2 or 3, it is characterised in that:The nickel-base alloy internal layer (11)
Thickness be 0.5-10mm, the thickness of rustless steel intermediate layer (12) is 1-12mm, the thickness of plastic outer layer (13) is 0.5-
5mm。
5. a kind of Ni-based multiple tube according to claim 1, it is characterised in that:The endoporus of the rubber seal (3) with
The aperture of the endoporus of nickel-base alloy internal layer (11) is equal, and the left end of rubber seal (3) is provided with extension, the extension
Stretch out the 2-5mm of left side of nickel-base alloy internal layer (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621146397.6U CN206093241U (en) | 2016-10-21 | 2016-10-21 | Ni -based compound pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621146397.6U CN206093241U (en) | 2016-10-21 | 2016-10-21 | Ni -based compound pipe |
Publications (1)
Publication Number | Publication Date |
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CN206093241U true CN206093241U (en) | 2017-04-12 |
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ID=58484402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621146397.6U Active CN206093241U (en) | 2016-10-21 | 2016-10-21 | Ni -based compound pipe |
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CN (1) | CN206093241U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109386676A (en) * | 2017-08-09 | 2019-02-26 | 上海众山特殊钢有限公司 | A kind of nuclear power control rod heavy caliber ultra-thin-wall nickel-base alloy tubing |
-
2016
- 2016-10-21 CN CN201621146397.6U patent/CN206093241U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109386676A (en) * | 2017-08-09 | 2019-02-26 | 上海众山特殊钢有限公司 | A kind of nuclear power control rod heavy caliber ultra-thin-wall nickel-base alloy tubing |
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