CN204962166U - Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation - Google Patents
Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation Download PDFInfo
- Publication number
- CN204962166U CN204962166U CN201520769532.1U CN201520769532U CN204962166U CN 204962166 U CN204962166 U CN 204962166U CN 201520769532 U CN201520769532 U CN 201520769532U CN 204962166 U CN204962166 U CN 204962166U
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- China
- Prior art keywords
- pipe
- mouth
- anticorrosion composite
- composite pipe
- nipple
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- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation. Relate to and connect connection structure. Simple structure, the production and processing is convenient, and the sealing washer is difficult for droing, and the assembly process is simple. The mouth of pipe interpolation pubescent pipe joint of anticorrosive compound pipe, nipple joint rectal cauda end inserts in the mouth of pipe of adjacent anticorrosive compound pipe, annular storage tank A is established to the head end on nipple joint outside of tubes surface, annular storage tank B is established to the tail end, establish sealing washer A in the annular storage tank A, establish sealing washer B in the annular storage tank B, sealing washer A and the orificial internal surface liquid sealing connection of anticorrosive compound pipe, and apart from anticorrosive compound pipe mouth of pipe 20cm, sealing washer B and the orificial internal surface liquid sealing connection of adjacent anticorrosive compound pipe, and apart from adjacent anticorrosive compound pipe mouth of pipe 20cm. Simplified and held intraoral structure, avoided in the bellmouth operation inconvenient, difficult installation sealing washer, establish storage tank, handling ease at the nipple surface, during the installation, the sealing washer overlaps in the storage tank of nipple very easily. Save time when installation jobs, laborsaving.
Description
Technical field
The utility model relates to pipe production technology, particularly relates to a kind of joint connecting structure being applicable to pressure anti-corrosion composite pipe.
Background technique
The double-sealing welded flange joint of prior art is, between two end face of flange, elastomer seal is housed, during installation, first elastomer seal is embedded flange facing, again two adpting flanges are drawn over to one's side extruding alignment, finally be welded to connect outside two adpting flanges, thus realize the double-sealing of flange seal part and outside weld bond.But this kind of Placement needs special to jaws equipment on the one hand, and installation precision requires high; Flanged joint weld bond is many on the other hand, both wastes resource, and again because of the impact of welding temperature, makes weld joint subject to causticize, increases the risk of weld joint seepage.
The patent No. is a kind of linkage structure being applicable to pressure anti-corrosion composite pipe of ZL201520086772.1, although solve the problems referred to above, needs to arrange the structures such as flange collar at bellmouth internal surface, operation is carried out in pipe, production and processing is inconvenient, and technique is too complicated, and difficult quality controls; And the seal ring placed in advance easily comes off before insertion pipe nipple pipe, assembling trouble.
Model utility content
The utility model is for above problem, and provide a kind of structure simple, production and processing is convenient, seal ring difficult drop-off, the joint connecting structure of the simple pipe fitting joint of assembly process and modified model anticorrosion composite pipe.
The technical solution of the utility model is: comprise a pipe nipple pipe, and the head end position of described pipe nipple tube outer surface is provided with at least one annular containing groove A, tail end position is provided with at least one annular containing groove B,
Establish seal ring A in annular containing groove A, in annular containing groove B, establish seal ring B.
The space that described annular containing groove A and/or annular containing groove B is formed for the twice annular bead be provided with at described pipe nipple tube outer surface.
Described containing groove A and/or annular containing groove B is the integrally manufactured annular groove that described pipe nipple tube outer surface is provided with, and the internal surface of described groove and the outer surface of seal ring cooperatively interact.
The inner and outer surface of described pipe nipple pipe is provided with corrosion-inhibiting coating.
Comprise the joint connecting structure of the modified model anticorrosion composite pipe of pipe fitting joint, the inside and outside wall of described anticorrosion composite pipe is provided with corrosion-inhibiting coating, insert described pipe fitting joint in the mouth of pipe of described anticorrosion composite pipe, the tail end of described pipe fitting joint inserts in the mouth of pipe of adjacent anticorrosion composite pipe
Described seal ring A is connected with the internal surface liquid sealing of the described anticorrosion composite pipe mouth of pipe and remains with the distance of 0.5-20cm with the described anticorrosion composite pipe mouth of pipe, and seal ring B is connected with the internal surface liquid sealing of the described adjacent anticorrosion composite pipe mouth of pipe and remains with the distance of 0.5-20cm with the described adjacent anticorrosion composite pipe mouth of pipe.
The mouth of pipe of described anticorrosion composite pipe has flared section.
The internal diameter that the internal diameter of described pipe nipple pipe equals the internal diameter of described anticorrosion composite pipe, external diameter is less than described flared section.
The mouth of pipe of described anticorrosion composite pipe is straight tube mouth, and the inwall of described anticorrosion composite pipe is also provided with back-up ring in the end of described pipe nipple pipe or is in same at least three blocks circumferentially.
The mouth of pipe of described anticorrosion composite pipe is offered porose to the tube wall closest to the described anticorrosion composite pipe between mouth of pipe flange collar exterior edge face.
The mouth of pipe of described anticorrosion composite pipe is to porose closest to the tube wall between ferrule circle is offered.
The utility model is the improvement to double-sealing welded flange Placement, simplifies the structure in bellmouth, and avoid operation in bellmouth inconvenient, efficiency is low, not easily installs seal ring; Establish containing groove at nipple outer surface, be convenient to processing; During installation, seal ring is easy to be enclosed within the containing groove of nipple.Save time when installation exercise, laborsaving, economize on resources, reduce construction cost and difficulty of construction, there is good Developing Extension prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one,
Fig. 2 is A place partial enlarged drawing in Fig. 1,
Fig. 3 is the utility model installation exercise schematic diagram,
Fig. 4 is the utility model embodiment one pipe nipple tubular construction schematic diagram,
Fig. 5 is the structural representation after the utility model embodiment two installation exercise completes,
Fig. 6 is the utility model embodiment three pipe nipple tubular construction schematic diagram,
Fig. 7 is the utility model embodiment three structural representation;
In figure, 1 is anticorrosion composite pipe, and 101 is external coatings, and 102 is undercoating, and 11 is flared section, and 110 is grooves, and 111 is holes, and 1 ' is adjacent anticorrosion composite pipe,
2 is pipe nipple pipes, and 20 is corrosion-inhibiting coatings,
3 is separations,
41 is closest to mouth of pipe flange collar, and 42 is middle flange collars, and 43 is farthest away from mouth of pipe flange collar, and 40 is blocks, and 411 is closest to adjacent anticorrosion composite pipe mouth of pipe flange collar, and 421 is flange collars in the middle of adjacent anticorrosion composite pipe, and 431 is farthest away from adjacent anticorrosion composite pipe mouth of pipe flange collar,
51 is closest to ferrule circle, and 52 is farthest away from ferrule circle, and 511 is closest to adjacent tubes mouth sealing ring, and 521 is farthest away from adjacent tubes mouth sealing ring,
61 is closest to mouth of pipe groove, and 62 is farthest away from mouth of pipe groove, and 611 is closest to adjacent tubes port recess, and 621 is farthest away from adjacent tubes port recess,
7 is weld seams,
8 is plugs.
Embodiment
The utility model is as Fig. 1-7, comprise a pipe nipple pipe 2, the head end position of described pipe nipple pipe 2 outer surface is provided with at least one annular containing groove A, tail end position is provided with at least one annular containing groove B, establishes seal ring A, establish seal ring B in annular containing groove B in annular containing groove A.
The space that described annular containing groove A and/or annular containing groove B is formed for the twice annular bead be provided with at described pipe nipple pipe 2 outer surface.
Described containing groove A and/or annular containing groove B is the integrally manufactured annular groove that described pipe nipple pipe 2 outer surface is provided with, and the internal surface of described groove and the outer surface of seal ring cooperatively interact.
The inner and outer surface of described pipe nipple pipe 2 is provided with corrosion-inhibiting coating 20.
Comprise the joint connecting structure of the modified model anticorrosion composite pipe of pipe fitting joint, in described anticorrosion composite pipe 1, outer wall is provided with corrosion-inhibiting coating 20, described pipe fitting joint is inserted in the mouth of pipe of described anticorrosion composite pipe 1, the tail end of described pipe fitting joint inserts in the mouth of pipe of adjacent anticorrosion composite pipe 1 ', described seal ring A is connected with the internal surface liquid sealing of the mouth of pipe of described anticorrosion composite pipe 1, and remain with the distance of 0.5-20cm with the mouth of pipe of described anticorrosion composite pipe 1, seal ring B is connected with the internal surface liquid sealing of the described adjacent anticorrosion composite pipe 1 ' mouth of pipe, and remain with the distance of 0.5-20cm with the mouth of pipe of described adjacent anticorrosion composite pipe 1 '.
The mouth of pipe of described anticorrosion composite pipe 1 has flared section 11.
The internal diameter that the internal diameter of described pipe nipple pipe 2 equals the internal diameter of described anticorrosion composite pipe 1, external diameter is less than described flared section 11.
The mouth of pipe of described anticorrosion composite pipe 1 is straight tube mouth, and the inwall of described anticorrosion composite pipe 1 is also provided with back-up ring in the end of described pipe nipple pipe 2 or is in same at least three blocks circumferentially.
The mouth of pipe of described anticorrosion composite pipe 1 is offered porose to the tube wall closest to the described anticorrosion composite pipe 1 between mouth of pipe flange collar 41 exterior edge face.
The mouth of pipe of described anticorrosion composite pipe 1 is to porose closest to the tube wall between ferrule circle 51 is offered.
Below further illustrate the utility model.
Fig. 1-4 shows structure of the present utility model, in described anticorrosion composite pipe 1, outer wall is provided with external coating 101, undercoating 102, the mouth of pipe 11 of anticorrosion composite pipe 1 has flared section, the mouth of pipe 11 of anticorrosion composite pipe 1 offers bevel for welding 110, pipe nipple pipe 2 is inserted with in the mouth of pipe of anticorrosion composite pipe 1, the tail end of pipe nipple pipe 2 inserts in the adjacent anticorrosion composite pipe 1 ' mouth of pipe, the outer surface of pipe nipple pipe 2 head end is provided with closest to mouth of pipe flange collar 41, middle flange collar 42 and farthest away from mouth of pipe flange collar 43, , the outer surface of the tail end of pipe nipple pipe 2 is provided with closest to adjacent anticorrosion composite pipe mouth of pipe flange collar 411, flange collar 421 and farthest away from adjacent anticorrosion composite pipe mouth of pipe flange collar 431 in the middle of adjacent anticorrosion composite pipe, as shown in Figure 1, the head end of pipe nipple pipe 2 outer surface closest to mouth of pipe flange collar 41, middle flange collar 42 and form bipassage ring shape containing groove A farthest away from mouth of pipe flange collar 43, the closest adjacent anticorrosion composite pipe mouth of pipe flange collar 411 of tail end, flange collar 421 and form bipassage ring shape containing groove B farthest away from adjacent anticorrosion composite pipe mouth of pipe flange collar 431 in the middle of adjacent anticorrosion composite pipe, seal ring A is established in annular containing groove A, seal ring A comprises closest to ferrule circle 51, farthest away from ferrule circle 52, seal ring B is established in annular containing groove B, seal B comprises closest to adjacent tubes mouth sealing ring 511, farthest away from adjacent tubes mouth sealing ring 521,
Seal ring A is connected with the internal surface liquid sealing of the anticorrosion composite pipe mouth of pipe, remain with the distance of 0.5-20cm close to ferrule circle 51 and the anticorrosion composite pipe mouth of pipe, and seal ring B is connected with the internal surface liquid sealing of the adjacent anticorrosion composite pipe mouth of pipe, remain with the distance of 0.5-20cm closest to adjacent tubes mouth sealing ring 511 and the adjacent anticorrosion composite pipe mouth of pipe.
The internal diameter that the internal diameter of pipe nipple pipe 2 equals the internal diameter of anticorrosion composite pipe 1, external diameter is less than flared section 11, the length of pipe nipple pipe 2 is the twice of flared section 11 inside length, when anticorrosion composite pipe 1 is connected with adjacent anticorrosion composite pipe 1 ', two of pipe nipple pipe 2 corrects and withstands anticorrosion composite pipe 1, be unlikely to while depart from, the inner and outer surface of pipe nipple pipe 2 is provided with corrosion-inhibiting coating 20.
During installation, pipe nipple pipe 2 is inserted in anticorrosion composite pipe 1 middle with adjacent anticorrosion composite pipe 1 ', welds two bevel for weldings 110, now define separation 3 in pipe.
For realizing the detection of butt welded seam 7 voltage endurance capability, offer porose 111 at the mouth of pipe 11 of anticorrosion composite pipe 1 to closest on the tube wall between mouth of pipe flange collar 41 exterior edge face.Hole 111 is communicated with separation 3, when utilizing the water filling of hydrostatic test hole to suppress the sealing of detecting tube joint like this, saves time, laborsaving, saving water resource.
Fig. 5 shows the structure of the utility model the second mode of execution, with the difference of the first mode of execution be, the mouth of pipe of anticorrosion composite pipe 1 does not adopt enlarging, but straight tube mouth, for anti-no-go nipple pipe 2 between two pipes play, cause position not placed in the middle, the inwall of anticorrosion composite pipe is also provided with back-up ring 40 or is in same at least three blocks circumferentially in the end of pipe nipple pipe, the external diameter of pipe nipple pipe 2 is less than the internal diameter of the mouth of pipe.
Fig. 6-7 shows the structure of the third mode of execution, with the difference of the first mode of execution be, pipe nipple pipe 2 does not adopt the flange collar structure of embodiment one, but establish integrally manufactured annular groove at pipe nipple tube outer surface, the internal surface of groove and the outer surface of seal ring cooperatively interact, as shown in Figure 6, the head end of pipe nipple pipe 2 outer surface establishes annular containing groove A, annular containing groove A comprises closest to mouth of pipe groove 61 with farthest away from mouth of pipe groove 62, seal ring A is established in annular containing groove A, seal ring A comprises closest to ferrule circle 51 with farthest away from ferrule circle 52, the tail end of pipe nipple pipe 2 outer surface establishes annular containing groove B, annular containing groove B comprises closest to adjacent tubes port recess 611 with farthest away from adjacent tubes port recess 621, seal ring B is established in annular containing groove B, seal B comprises closest to adjacent tubes mouth sealing ring 511, farthest away from adjacent tubes mouth sealing ring 521, the mouth of pipe of anticorrosion composite pipe 1 is to porose closest to the tube wall between ferrule circle 51 is offered.
Claims (10)
1. pipe fitting joint, comprises a pipe nipple pipe, it is characterized in that, the head end position of described pipe nipple tube outer surface is provided with at least one annular containing groove A, tail end position is provided with at least one annular containing groove B,
Establish seal ring A in annular containing groove A, in annular containing groove B, establish seal ring B.
2. pipe fitting joint according to claim 1, is characterized in that, the space that described annular containing groove A and/or annular containing groove B is formed for the twice annular bead be provided with at described pipe nipple tube outer surface.
3. pipe fitting joint according to claim 1, is characterized in that, described containing groove A and/or annular containing groove B is the integrally manufactured annular groove that described pipe nipple tube outer surface is provided with, and the internal surface of described groove and the outer surface of seal ring cooperatively interact.
4., according to described pipe fitting joint arbitrary in claim 1-3, it is characterized in that, the inner and outer surface of described pipe nipple pipe is provided with corrosion-inhibiting coating.
5. comprise the joint connecting structure of the modified model anticorrosion composite pipe of pipe fitting joint described in claim 1, the inside and outside wall of described anticorrosion composite pipe is provided with corrosion-inhibiting coating, it is characterized in that, described pipe fitting joint is inserted in the mouth of pipe of described anticorrosion composite pipe, the tail end of described pipe fitting joint inserts in the mouth of pipe of adjacent anticorrosion composite pipe
Described seal ring A is connected with the internal surface liquid sealing of the described anticorrosion composite pipe mouth of pipe and remains with the distance of 0.5-20cm with the described anticorrosion composite pipe mouth of pipe, and seal ring B is connected with the internal surface liquid sealing of the described adjacent anticorrosion composite pipe mouth of pipe and remains with the distance of 0.5-20cm with the described adjacent anticorrosion composite pipe mouth of pipe.
6. the joint connecting structure of modified model anticorrosion composite pipe according to claim 5, is characterized in that, the mouth of pipe of described anticorrosion composite pipe has flared section.
7. the joint connecting structure of modified model anticorrosion composite pipe according to claim 6, is characterized in that, the internal diameter that internal diameter equals the internal diameter of described anticorrosion composite pipe, external diameter is less than described flared section of described pipe nipple pipe.
8. the joint connecting structure of modified model anticorrosion composite pipe according to claim 5, it is characterized in that, the mouth of pipe of described anticorrosion composite pipe is straight tube mouth, and the inwall of described anticorrosion composite pipe is also provided with back-up ring in the end of described pipe nipple pipe or is in same at least three blocks circumferentially.
9. according to the joint connecting structure of the modified model anticorrosion composite pipe described in claim 5, it is characterized in that, the mouth of pipe of described anticorrosion composite pipe is offered porose to the tube wall closest to the described anticorrosion composite pipe between mouth of pipe flange collar exterior edge face.
10. according to the joint connecting structure of the modified model anticorrosion composite pipe described in claim 5, it is characterized in that, the mouth of pipe of described anticorrosion composite pipe is to porose closest to the tube wall between ferrule circle is offered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769532.1U CN204962166U (en) | 2015-09-30 | 2015-09-30 | Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769532.1U CN204962166U (en) | 2015-09-30 | 2015-09-30 | Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204962166U true CN204962166U (en) | 2016-01-13 |
Family
ID=55057234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520769532.1U Expired - Fee Related CN204962166U (en) | 2015-09-30 | 2015-09-30 | Pipe fitting connects and anticorrosive compound joint connection structure who manages of improved generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204962166U (en) |
-
2015
- 2015-09-30 CN CN201520769532.1U patent/CN204962166U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 730700 Xicheng Industrial Park, Huining County, Baiyin City, Gansu Province Patentee after: Gansu Qunye Science and Technology Co., Ltd. Address before: 730700 Jierchuan Agricultural Science and Technology Demonstration Park, Huishi Town, Huining County, Baiyin City, Gansu Province Patentee before: Gansu group's industry science and technology engineering finite responsible company |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160113 Termination date: 20200930 |