CN207814731U - A kind of connection structure between steel skeleton PE tube and steel pipe - Google Patents
A kind of connection structure between steel skeleton PE tube and steel pipe Download PDFInfo
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- CN207814731U CN207814731U CN201820127000.1U CN201820127000U CN207814731U CN 207814731 U CN207814731 U CN 207814731U CN 201820127000 U CN201820127000 U CN 201820127000U CN 207814731 U CN207814731 U CN 207814731U
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- flange
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- conical surface
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Abstract
The utility model is related to technical field of pipeline construction, a kind of connection structure between steel skeleton PE tube and steel pipe is disclosed, steel skeleton PE tube connecting pin is installed by PE flange heads, it is set with steel flange on PE flange heads, lap joint flange is set between PE flange heads and steel flange, lap joint flange includes at least two sections of arch sections composition, and arch section inner surface is intact to fit in PE flange heads outer surface, and there are gaps between adjacent arcuate sections end face；Arch section includes sticking part and power transmission portion, power transmission portion is located at sticking part front end, power transmission portion front end face is contacted with the fitting of the step surface of PE flange heads, rear end face is contacted with steel flange end face, and power transmission portion rear end face compresses the conical surface after having, and the rear conical surface front-end radius that compresses is more than back-end radius.Contact area between steel flange and PE flange heads is increased, can play the role of adjusting circle to PE flange heads, prevent PE flange heads part appearance point stress so that PE flange heads are reliably connected with steel pipe flange, prevent from leaking.
Description
Technical field
The utility model is related to technical field of pipeline construction, more particularly to the connection between a kind of steel skeleton PE tube and steel pipe
Structure.
Background technology
When steel skeleton PE tube is with fastener for connection, generally use flanged joint, steel skeleton PE tube needs elder generation before flanged joint
A PE flange head is connected, connection work is then completed using the steel flange being mounted on PE flange heads and steel pipe flange again.
Because current steel skeleton pipeline is without national standard, only professional standard, so the product between different manufacturers and Joining Technology
Also there is difference；PE flange heads are fixedly connected by electric fusion welding with steel skeleton PE tube, when carrying out electric fusion welding, are conducted oneself with dignity, outside
Certain deformation can occur for the influences such as power, weather, PE flange heads, and the connection spiral shell between steel flange and steel pipe flange is tightened in the later stage
When bolt, a stress can locally occur for PE flange heads, cause the clamping force that steel flange passes to PE flange heads uneven, cause PE methods
Blue head discontinuity so that can not be formed and be reliably connected between PE flange heads and steel pipe flange, and then media leaks occur；Together
When, PE flange heads and steel flange contact area are too small, and stress surface is not when being connect with steel pipe flange, between steel flange and PE flange heads
Foot, can not be reliably connected, will also result between PE flange heads and steel pipe flange and media leaks occur.
Utility model content
The goal of the invention of the utility model is：In view of the above problems, a kind of steel skeleton PE tube and steel pipe are provided
Between connection structure, it is simple and practical in structure, it is quick and easy for installation, increase the contact surface between steel flange and PE flange heads
The case where product can play deformed PE flange heads the effect for adjusting circle, prevent PE flange heads part appearance point stress so that PE
It is formed and is reliably connected between flange head and steel pipe flange, prevent media leaks.
The technical solution adopted in the utility model is such：A kind of connection structure between steel skeleton PE tube and steel pipe,
Including PE flange heads, steel flange and lap joint flange, the PE flange heads are installed on the connecting pin of the steel skeleton PE tube, the steel
The lap joint flange, the work is arranged on the PE flange heads in flange sleeve between the PE flange heads and the steel flange
It includes at least two sections of arch section compositions to cover flange, and the radius of the arch section is identical as the radius of PE flange heads so that
The inner surface of the arch section can fully fit in the outer surface of the PE flange heads, and each arch section is installed to described
When on PE flange heads, there are gaps between the end face of adjacent arcuate sections；The arch section includes sticking part and power transmission portion, is passed
Power portion is located at the front end of sticking part, and the front end face in power transmission portion contacts with the step surface fitting on PE flange heads, rear end face and steel method
The rear end face tool of blue end face contact, the power transmission portion compresses the conical surface there are one rear, after the rear front-end radius for compressing the conical surface is more than
Hold radius.
A kind of connection structure between steel skeleton PE tube and steel pipe described in the utility model, the rear end face in the power transmission portion
Also there are one rear vertical cambered surfaces for tool, and vertical cambered surface is connect with the rear front end for compressing the conical surface after described.
A kind of connection structure between steel skeleton PE tube and steel pipe described in the utility model, the outer surface of the sticking part
Including an arc surface and a guiding conical surface, the arc surface is parallel with the outer round surface of PE flange heads, the guiding conical surface
Front-end radius be more than back-end radius, the arc surface with it is described guiding the conical surface front end connect.
A kind of connection structure between steel skeleton PE tube and steel pipe described in the utility model, the front end of the arch section
Face includes compressing the conical surface before vertical cambered surface and one before two, and the front-end radius that the conical surface is compressed before described is more than back-end radius, and two
Preceding vertical cambered surface is connect with the preceding front and back end for compressing the conical surface respectively.
A kind of connection structure between steel skeleton PE tube and steel pipe described in the utility model, the lap joint flange include three
The arc length of Duan Suoshu arch sections, three sections of arch sections is identical.
A kind of connection structure between steel skeleton PE tube and steel pipe described in the utility model, adjacent arcuate sections end face it
Between gap be 8mm.
In conclusion by adopting the above-described technical solution, the utility model has the beneficial effects that：The utility model structure
It is simple and practical, it is quick and easy for installation, increase the contact area between steel flange and PE flange heads so that the clamping force of steel flange
PE flange heads can be more efficiently passed to, and then ensures to be formed between PE flange heads and steel pipe flange and be reliably connected；It can be right
Deformed PE flange heads play the case where adjusting round effect, preventing PE flange heads part appearance point stress, ensure that steel flange passes
The clamping force for passing PE flange heads is uniform, is reliably connected so that being formed between PE flange heads and steel pipe flange, prevents medium
Leakage.
Description of the drawings
Fig. 1 is that the utility model uses schematic diagram；
Fig. 2 is the arrangement schematic diagram of three sections of arch sections in the utility model；
Fig. 3 is the schematic cross-section of arch section in the utility model.
It is marked in figure：1 is steel skeleton PE tube, and 2 be steel pipe, and 3 be steel pipe flange, and 4 be PE flange heads, and 5 be steel flange, and 6 are
Arch section, 6-1 are sticking part, and 6-2 is power transmission portion, and 6-3 compresses the conical surface after being, 6-4 is rear vertical cambered surface, and 6-5 is arc surface,
6-6 is to be oriented to the conical surface, and 6-7 is preceding vertical cambered surface, and 6-8 is the preceding compression conical surface, and 7 be gasket, and 8 be connection bolt.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Explanation：Direction in the application is explained, before the direction towards steel pipe is, is away from the direction of steel pipe
Afterwards, it is interior close to the direction of steel skeleton PE tube axis, the direction far from steel skeleton PE tube axis is outer.
As shown in Figures 1 to 3, the connection structure between a kind of steel skeleton PE tube 1 and steel pipe 2, including PE flange heads 4, steel method
Orchid 5 and lap joint flange, PE flange heads 4 are installed on the connecting pin of steel skeleton PE tube 1, and steel flange 5 is sleeved on PE flange heads 4, PE
Lap joint flange is set between flange head 4 and steel flange 5, and lap joint flange includes that at least two sections of arch sections 6 form, and is specifically set herein
Three sections of arch sections 6 are set, the arc length of three sections of arch sections 6 is identical, and the radius phase of the radius of arch section 6 and PE flange heads 4
Together so that the inner surface of arch section 6 can fully fit in the outer surface of PE flange heads 4, the installation of each arch section 6 to PE
When on flange head 4, there are gaps between the end face of adjacent arcuate sections 6, i.e., exist between the end face in 6 arc length direction of arch section
Gap；Arch section 6 includes sticking part 6-1 and power transmission portion 6-2, and power transmission portion 6-2 is located at the front end of sticking part 6-1, power transmission portion 6-2
Front end face on PE flange heads 4 step surface fitting contact, rear end face is contacted with the end face of steel flange 5, after power transmission portion 6-2
End face tool compresses conical surface 6-3 there are one rear, and the rear front-end radius for compressing conical surface 6-3 is more than back-end radius, power transmission portion 6-2 and fitting
Both portion 6-1 are an integral molding structure, the inner surface of arch section 6 namely the inner surface of sticking part 6-1；When installation, kink method
Blue arch section 6 is mounted at the step of PE flange heads 4, wherein the step surface of the front end face and PE flanges of power transmission portion 6-2 is complete
It is bonded contact well, so that arch section 6 carries out power transmission, inner surface and the PE flange heads 4 of sticking part 6-1 to PE flange heads 4
Outer round surface fitting contact, steel flange 5 is sleeved on the outer surface of sticking part 6-1, and the front end face of steel flange 5 also have that there are one bore
Face, this conical surface are bonded with the rear compression conical surface 6-3 of power transmission portion 6-2, when tightening the connection spiral shell between steel pipe flange 3 and steel flange 5
Can be that steel flange 5 provides a horizontal force towards 2 direction of steel pipe, this horizontal force makes steel flange 5 compress power transmission when bolt 8
The rear compression conical surface 6-3 of portion 6-2, and one is provided towards the horizontal force in 2 direction of steel pipe and perpendicular to steel pipe 2 for arch section 6
The power of axis may make PE flange heads 4 are realized with steel pipe flange 3 to be reliably connected, perpendicular to steel towards the horizontal force in 2 direction of steel pipe
The power of 2 axis of pipe can drive each arch section 6 to be moved along the direction of this power, so that PE method of each arch section 6 to deformation
Blue head 4 carries out adjusting round operation, increases the contact area between steel flange 5 and PE flange heads 4, steel pipe indirectly by lap joint flange
Gasket 7 is installed between flange 3 and PE flange heads 4.
The rear end face of power transmission portion 6-2 also has there are one rear vertical cambered surface 6-4, and cambered surface 6-4 compresses conical surface 6-3 with rear vertically afterwards
Front end connection, when the conical surface of steel flange 5 compresses conical surface 6-3 after extrusion, can relative to rear the compressions conical surface 6-3 forward movement,
Hereafter vertical cambered surface 6-4 can limit displacement distance of the steel flange 5 relative to rear compression conical surface 6-3, prevent arch section 6 by steel method
Blue 5 transition compression, so that arch section 6 is completely into steel flange 5, when the front end of 5 conical surface of steel flange and the rear compression conical surface
When the preceding end in contact of 6-3, hereafter vertical cambered surface 6-4 is contacted with the fitting of the vertical plane of 5 front end face of steel flange, if steel flange 5 at this time
When continuing to compress arch section 6 forward, the power for passing to arch section 6 only has horizontal force.
The outer surface of sticking part 6-1 includes an arc surface 6-5 and guiding a conical surface 6-6, arc surface 6-5 and PE flanges
First 4 outer round surface is parallel, and the front-end radius for being oriented to conical surface 6-6 is more than back-end radius, and arc surface 6-5 is with guiding conical surface 6-6's
Front end connects, and 5 sets of arc surface 6-5 processes for being filled to sticking part 6-1 of steel flange can be oriented to by being oriented to conical surface 6-6 so that set
Dress process is more smooth.
The front end face of arch section 6 before vertical cambered surface 6-7 before two and one including compressing conical surface 6-8, the preceding compression conical surface
The front-end radius of 6-8 is more than back-end radius, and vertical cambered surface 6-7 is connect with the front and back end of preceding compression conical surface 6-8 respectively before two, arc
The concrete structure of 6 front end face of part is adapted with the step surface concrete structure of PE flange heads 4, vertical cambered surface and preceding compression conical surface 6-
8 setting enables arch section 6 preferably to the 4 horizontal power transmission of carry out of PE flange heads and tune circle action.
Gap between 6 end face of adjacent arcuate sections is 8mm, when the gap width of 8mm has been compressed, adjacent arcuate sections
6 end face is in contact, and the conical surface of steel flange 5 is still contacted with rear compression conical surface 6-3 fittings at this time, complete prevented also from arch section 6
Enter in steel flange 5 entirely.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. the connection structure between a kind of steel skeleton PE tube and steel pipe, it is characterised in that：Including PE flange heads（4）, steel flange（5）
And lap joint flange, the PE flange heads（4）It is installed on the steel skeleton PE tube（1）Connecting pin, the steel flange（5）It is sleeved on
The PE flange heads（4）On, the PE flange heads（4）With the steel flange（5）Between the lap joint flange, the kink are set
Flange includes at least two sections of arch sections（6）Composition, and the arch section（6）Radius and PE flange heads（4）Radius phase
Together so that the arch section（6）Inner surface can fully fit in the PE flange heads（4）Outer surface, each arc
Part（6）It installs to the PE flange heads（4）When upper, adjacent arcuate sections（6）End face between there are gaps；The curved portion
Point（6）Including sticking part（6-1）With power transmission portion（6-2）, power transmission portion（6-2）Positioned at sticking part（6-1）Front end, power transmission portion（6-
2）Front end face and PE flange heads（4）On step surface fitting contact, rear end face and steel flange（5）End face contact, the biography
Power portion（6-2）Rear end face tool compress the conical surface there are one rear（6-3）, the conical surface is compressed afterwards（6-3）Front-end radius be more than rear end half
Diameter.
2. the connection structure between a kind of steel skeleton PE tube according to claim 1 and steel pipe, it is characterised in that：The biography
Power portion（6-2）Rear end face also have there are one rear vertical cambered surface（6-4）, the rear vertical cambered surface（6-4）It is bored with rear compress
Face（6-3）Front end connection.
3. the connection structure between a kind of steel skeleton PE tube according to claim 1 and steel pipe, it is characterised in that：The patch
Conjunction portion（6-1）Outer surface include an arc surface（6-5）With a guiding conical surface（6-6）, the arc surface（6-5）With PE methods
Blue head（4）Outer round surface it is parallel, the guiding conical surface（6-6）Front-end radius be more than back-end radius, the arc surface（6-5）
With the guiding conical surface（6-6）Front end connection.
4. the connection structure between a kind of steel skeleton PE tube according to claim 1 and steel pipe, it is characterised in that：The arc
Shape part（6）Front end face include two before vertical cambered surface（6-7）With one before compress the conical surface（6-8）, the conical surface is compressed before described
（6-8）Front-end radius be more than back-end radius, vertical cambered surface before two（6-7）Respectively with the preceding compression conical surface（6-8）It is front and back
End connection.
5. the connection structure between a kind of steel skeleton PE tube according to any one of claims 1 to 4 and steel pipe, feature exist
In：The lap joint flange includes three sections of arch sections（6）, three sections of arch sections（6）Arc length it is identical.
6. the connection structure between a kind of steel skeleton PE tube according to claim 5 and steel pipe, it is characterised in that：Adjacent arcs
Shape part（6）Gap between end face is 8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127000.1U CN207814731U (en) | 2018-01-25 | 2018-01-25 | A kind of connection structure between steel skeleton PE tube and steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820127000.1U CN207814731U (en) | 2018-01-25 | 2018-01-25 | A kind of connection structure between steel skeleton PE tube and steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814731U true CN207814731U (en) | 2018-09-04 |
Family
ID=63324747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820127000.1U Active CN207814731U (en) | 2018-01-25 | 2018-01-25 | A kind of connection structure between steel skeleton PE tube and steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814731U (en) |
-
2018
- 2018-01-25 CN CN201820127000.1U patent/CN207814731U/en active Active
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