CN208074334U - A kind of composite stainless steel pipe - Google Patents

A kind of composite stainless steel pipe Download PDF

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Publication number
CN208074334U
CN208074334U CN201820485806.8U CN201820485806U CN208074334U CN 208074334 U CN208074334 U CN 208074334U CN 201820485806 U CN201820485806 U CN 201820485806U CN 208074334 U CN208074334 U CN 208074334U
Authority
CN
China
Prior art keywords
tube
outer tube
connecting flange
arc
sheet
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 - Fee Related
Application number
CN201820485806.8U
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Chinese (zh)
Inventor
马继杰
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.)
Tianjin Rui Tong Iron And Steel Co Ltd
Original Assignee
Tianjin Rui Tong Iron And Steel 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 Tianjin Rui Tong Iron And Steel Co Ltd filed Critical Tianjin Rui Tong Iron And Steel Co Ltd
Priority to CN201820485806.8U priority Critical patent/CN208074334U/en
Application granted granted Critical
Publication of CN208074334U publication Critical patent/CN208074334U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of composite stainless steel pipes, including outer tube, one end of the outer tube is fixed with the first connecting flange, and the other end of outer tube is fixed with the second connecting flange, inner tube is socketed on the inside of the outer tube, and inner tube is equipped with annular docking groove close to one end of the second connecting flange, the one end of said inner tube far from annular docking groove is fixed with butt tube, and butt tube is corresponding with annular docking groove location, the outside of said inner tube is socketed restraining position ring block along its length.The utility model passes through butt tube, annular docking groove, arc-like sheet, spacing ring, spring and connecting pole, it can not only be aligned when mounted, facilitate installation, and the flexural strength of two composite steel tube junctions can be enhanced, simultaneously, to avoid inner tube from directly being hit and damaged, and then the service life of multiple tube can be extended to collision that outer tube is subject into row buffering.

Description

A kind of composite stainless steel pipe
Technical field
The utility model is related to steel pipe technical field more particularly to a kind of composite stainless steel pipes.
Background technology
Steel pipe is divided into round, rectangular, rectangle and chapped pipe by cross sectional shape;By material be divided into carbon structural steels steel pipe, Low-alloy structural steel steel pipe, steel alloy steel pipe and composite steel tube;It is divided into conveyance conduit use by purposes, engineering structure is used, Re Gongshe Spare, petrochemical industry use, machine-building use, geological drilling use, high-tension apparatus steel pipe etc.;It is divided by production technology seamless Steel pipe and welded still pipe, wherein seamless steel pipe are divided into two kinds of hot rolling and cold rolling (pulling out), welded still pipe be divided into straight seam welded steel pipe and Screw seam welding steel pipe.Steel pipe is applied not only to trandfer fluid and powdery solid, exchanges thermal energy, manufacture machine components and container, it Or a kind of economic steel.Building structure rack, pillar and machinery mount are manufactured with steel pipe, weight can be mitigated, saves metal 20~40%, and can realize batch production mechanized construction.
Steel pipe relatively conventional at present is composite stainless steel pipe, however, traditional composite stainless steel pipe is single pipe structure, It easily causes cracking and damages when by directly hitting, serious to use, and to influence service life, uses Underaction.
Invention content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of composite stainless steel proposed Pipe.
To achieve the goals above, the utility model uses following technical solution:
One end of a kind of composite stainless steel pipe, including outer tube, the outer tube is fixed with the first connecting flange, and housing The other end of pipe is fixed with the second connecting flange, inner tube is socketed on the inside of the outer tube, and inner tube is close to the second connection method Blue one end is equipped with annular docking groove, and the one end of said inner tube far from annular docking groove is fixed with butt tube, and butt tube and ring Shape is docked groove location and is corresponded to, and the outside of said inner tube is socketed restraining position ring block along its length, and anticollision knot is equipped between spacing ring Structure, anti-collision structure include the arc-like sheet between outer tube and inner tube, and the arc-like sheet is arranged around inner tube, and arc-like sheet Both ends are fixed with symmetrically arranged connecting pole, and the one end of the connecting pole far from arc-like sheet is fixed with corresponding spacing ring, and arc Shape piece is fixed with symmetrically arranged spring, and the one end of spring far from arc-like sheet is fixed with corresponding spacing ring.
Preferably, the arc-like sheet and spacing ring are that elastic material is made, and the radius of arc-like sheet and outer tube is interior Enclose the distance between outer ring of inner tube adaptation.
Preferably, first connecting flange and the second connecting flange is in the same size, and the first connecting flange and second The diameter of connecting flange is more than the diameter of outer tube, and the first connecting flange and the second connecting flange are equipped with and are set around outer tube The threaded connection hole set.
Preferably, the outside of the outer tube is equipped with annular groove, and annular groove is arranged along the length direction of outer tube, and Outer tube is arranged concentrically with inner tube.
Preferably, the length difference size one of the arrangement length and butt tube and the first connecting flange of the annular docking groove It causes, and butt tube and annular docking groove shape adaptation, and the cross-sectional shape of butt tube is straight-flanked ring.
It, can not only by butt tube, annular docking groove, arc-like sheet, spacing ring, spring and connecting pole in the utility model It is enough to be aligned when mounted, facilitate installation, and the flexural strength of two composite steel tube junctions can be enhanced, meanwhile, it is capable to The collision being subject to outer tube is into row buffering, to avoid inner tube from directly being hit and damaged, and then extends making for multiple tube Have heat preservation and insulation, using flexible to a certain extent in addition, being equipped with spacing between outer tube and inner tube with the service life.
Description of the drawings
Fig. 1 be the utility model proposes a kind of composite stainless steel pipe structural schematic diagram;
Fig. 2 be the utility model proposes a kind of composite stainless steel pipe schematic elevation view.
In figure:1 outer tube, 2 first connecting flanges, 3 second connecting flanges, 4 spacing rings, 5 inner tubes, 6 butt tubes, 7 annulars Docking groove, 8 connecting poles, 9 arc-like sheets, 10 springs, 11 threaded connection holes, 12 annular grooves.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
Referring to Fig.1-2, one end of a kind of composite stainless steel pipe, including outer tube 1, outer tube 1 is fixed with the first connection method Orchid 2, and the other end of outer tube 1 is fixed with the second connecting flange 3, the inside of outer tube 1 is socketed with inner tube 5, and inner tube 5 is close One end of second connecting flange 3 is equipped with annular docking groove 7, and the one end of inner tube 5 far from annular docking groove 7 is fixed with butt tube 6, and Butt tube 6 is corresponding with annular 7 position of docking groove, and the outside of inner tube 5 is socketed restraining position ring block 4 along its length, and between spacing ring 4 Equipped with anti-collision structure, anti-collision structure includes the arc-like sheet 9 between outer tube 1 and inner tube 5, and arc-like sheet 9 is set around inner tube 5 It sets, and the both ends of arc-like sheet 9 are fixed with symmetrically arranged connecting pole 8, the one end of connecting pole 8 far from arc-like sheet 9 and corresponding limit Position ring 4 is fixed, and arc-like sheet 9 is fixed with symmetrically arranged spring 10, the one end of spring 10 far from arc-like sheet 9 and corresponding limit Ring 4 is fixed, and arc-like sheet 9 and spacing ring 4 are that elastic material is made, and the inner ring of the radius of arc-like sheet 9 and outer tube 1 is to inner tube The distance between 5 outer ring is adapted to, in the same size, and the first connecting flange 2 of the first connecting flange 2 and the second connecting flange 3 It is more than the diameter of outer tube 1 with the diameter of the second connecting flange 3, and the first connecting flange 2 and the second connecting flange 3 are equipped with ring The outside of the threaded connection hole 11 being arranged around outer tube 1, outer tube 1 is equipped with annular groove 12, and annular groove 12 is along outer tube 1 Length direction is arranged, and outer tube 1 is arranged concentrically with inner tube 5, and arrangement length and the butt tube 6 and first of annular docking groove 7 connect The length difference of acting flange 2 is in the same size, and butt tube 6 and 7 shape adaptation of annular docking groove, and the cross-sectional shape of butt tube 6 For straight-flanked ring.
Operation principle:When the utility model is used, when two composite steel tubes are installed, butt tube 6, which is inserted into, to be corresponded to Annular docking groove 7 in, can not only be aligned, facilitate the connecting flange screw connection of two composite steel tubes, meanwhile, docking After pipe 6 is inserted into annular docking groove 7, the flexural strength of two composite steel tube junctions, using flexible can be enhanced;Work as outer tube 1 when being hit, and the arc-like sheet 9 and spacing ring 4 of setting can be squeezed, and spring 10 is in compressive state, Jin Erke at this time To be buffered to collision, inner tube 5 is avoided directly to be hit and damaged, so as to extend the service life of multiple tube, together When, it is equipped with spacing between outer tube 1 and inner tube 5, has heat preservation and insulation, using flexible to a certain extent.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of composite stainless steel pipe, including outer tube(1), which is characterized in that the outer tube(1)One end be fixed with first Connecting flange(2), and outer tube(1)The other end be fixed with the second connecting flange(3), the outer tube(1)Inside socket There is inner tube(5), and inner tube(5)Close to the second connecting flange(3)One end be equipped with annular docking groove(7), said inner tube(5)It is separate Annular docking groove(7)One end be fixed with butt tube(6), and butt tube(6)With annular docking groove(7)Position corresponds to, described interior Pipe(5)Outside be socketed restraining position ring block along its length(4), and spacing ring(4)Between be equipped with anti-collision structure, anti-collision structure includes Positioned at outer tube(1)And inner tube(5)Between arc-like sheet(9), the arc-like sheet(9)Around inner tube(5)Setting, and arc-like sheet (9)Both ends be fixed with symmetrically arranged connecting pole(8), the connecting pole(8)Far from arc-like sheet(9)One end and corresponding limit Position ring(4)It is fixed, and arc-like sheet(9)It is fixed with symmetrically arranged spring(10), spring(10)Far from arc-like sheet(9)One end with Corresponding spacing ring(4)It is fixed.
2. a kind of composite stainless steel pipe according to claim 1, which is characterized in that the arc-like sheet(9)And spacing ring(4) It is that elastic material is made, and arc-like sheet(9)Radius and outer tube(1)Inner ring to inner tube(5)The distance between outer ring Adaptation.
3. a kind of composite stainless steel pipe according to claim 1, which is characterized in that first connecting flange(2)With Two connecting flanges(3)In the same size, and the first connecting flange(2)With the second connecting flange(3)Diameter be more than outer tube(1) Diameter, and the first connecting flange(2)With the second connecting flange(3)It is equipped with around outer tube(1)The threaded connection hole of setting (11).
4. a kind of composite stainless steel pipe according to claim 1, which is characterized in that the outer tube(1)Outside be equipped with Annular groove(12), and annular groove(12)Along outer tube(1)Length direction setting, and outer tube(1)With inner tube(5)It sets with one heart It sets.
5. a kind of composite stainless steel pipe according to claim 1, which is characterized in that the annular docking groove(7)Arrangement Length and butt tube(6)With the first connecting flange(2)Length difference it is in the same size, and butt tube(6)With annular docking groove(7)Shape Shape is adapted to, and butt tube(6)Cross-sectional shape be straight-flanked ring.
CN201820485806.8U 2018-04-08 2018-04-08 A kind of composite stainless steel pipe Expired - Fee Related CN208074334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820485806.8U CN208074334U (en) 2018-04-08 2018-04-08 A kind of composite stainless steel pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820485806.8U CN208074334U (en) 2018-04-08 2018-04-08 A kind of composite stainless steel pipe

Publications (1)

Publication Number Publication Date
CN208074334U true CN208074334U (en) 2018-11-09

Family

ID=64043997

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820485806.8U Expired - Fee Related CN208074334U (en) 2018-04-08 2018-04-08 A kind of composite stainless steel pipe

Country Status (1)

Country Link
CN (1) CN208074334U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20181109

Termination date: 20200408

CF01 Termination of patent right due to non-payment of annual fee