CN206770822U - Attachment structure for pipeline - Google Patents
Attachment structure for pipeline Download PDFInfo
- Publication number
- CN206770822U CN206770822U CN201720378412.8U CN201720378412U CN206770822U CN 206770822 U CN206770822 U CN 206770822U CN 201720378412 U CN201720378412 U CN 201720378412U CN 206770822 U CN206770822 U CN 206770822U
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- China
- Prior art keywords
- closing sleeve
- sleeve
- connecting tube
- fixed
- attachment structure
- 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
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- 238000007789 sealing Methods 0.000 claims abstract description 26
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 230000036316 preload Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 8
- 230000002950 deficient Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000005060 rubber Substances 0.000 description 4
- 229920002725 thermoplastic elastomer Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 241001442589 Convoluta Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 229920001617 Vinyon Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 230000000366 juvenile effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model discloses the attachment structure for pipeline, including junction block, connecting tube, closing sleeve and adapter sleeve, wherein, closing sleeve is arranged on the side of junction block, and fixed thereto；Fixed thereto in one press-in connector pipe of adapter sleeve, the other end for being machined with the second joggling part extends and is fixed on closing sleeve；Connecting tube one end and the connection of closing sleeve sealing, the other end being oppositely arranged keep the extension of connection therewith away from junction block；Connecting tube is linked into an integrated entity with the adapter sleeve for being provided with joggling part by closing sleeve, realize connecting for connecting tube and junction block, under the reinforcing of closing sleeve, it ensure that the intensity of whole attachment means, internal residual stress directly caused by welding can effectively be reduced between pipeline, the intensity of integrated connection is lifted, weakens and absorbs power compression, preload of the connecting pipe applied in moment of torsion process, to allow the interference of maximum axial during connector is applied torsion moment to.
Description
Technical field
Underwater operation equipment technical field is the utility model is related to, specifically, is used to make under water more particularly to one kind
The pipe connecting structure of industry equipment.
Background technology
The interconnection technique of pipeline suffers from very important to the sealing effectiveness of underwater operation device procedures or conveyance conduit
Influence, existing pipeline connected mode is nothing more than having several forms such as flange connection, snap joint connection, but these connected modes
The defects of certain all be present.For example, common flange connection installation trouble, more with accessories such as bolt, mats, fastened in bolt
Easily occurs Seepage when asymmetric, because bolt quantity is more, the workload of fastening bolt is big, and installation cost is high, and passes through
Bolted pipeline, its poor reliability sealed, later stage maintenance is cumbersome, in the underwater operation environment with larger pressure,
Pipe be present upon connection, its sealing is not strong, pipe and joints connection it is insecure, easily loosen cause connector destruction and
Failure.
The pipe connecting structure for being currently used for connecting underwater operation equipment proposes several structure types, but all exists various
Problem：1st, a kind of quick coupling for compressed air hose that CN 200810063105.6 is provided, the pipe joint include junction block
And end cap, end cap and junction block are provided with retaining ring seat by screw thread detachable connection, the end head of junction block；Retaining ring seat it is interior
End is stretched into inside junction block, and is offseted with retaining ring seat and set provided with sealing ring, the internal diameter of the inner ring protrusion retaining ring seat of sealing ring；Card
The outer face of ring seat is provided with metal snap ring, and snap ring includes ring body and blade tooth, blade tooth to retaining ring seat direction flange,
And tiltedly circle is provided with retaining ring seat opening, blade tooth is arranged on tiltedly on circle：Snap ring outer end is provided with impeller, the both ends of impeller
Offseted respectively with snap ring and boss.End cap is screwed when use, the boss compressing impeller on end cap, impeller pressure
Urgent snap ring struts blade tooth, and blade tooth, which can bite pipe, prevents pipe from deviating from, but if what is be related to is high undersea hydrostatic pressures
The structure that the equipment pipe-line system of operating environment, the transfer pipeline of this kind of major diameter and the transfer pipeline of minor diameter are used cooperatively exists
It can not just meet to require on bonding strength；2nd, a kind of pipeline connection dress with double plug that CN 201310213427.5 is provided
Put and its seal connecting method in, by be provided with the inwall taken the lead the first evagination groove for installing Expansion sealing circle and
Second evagination groove, with having the plug of outer wall first being adapted with die cavity and the second plug to be used cooperatively respectively, so as to realize
The sealing of pipeline junction, however, using the pipe connecting structure of this kind of structure, its bonding strength is weak, in whole connector
The appearance of minute movement connector can be caused to leak, the reliability of sealing is not strong, equally can not meet there is elevated pressures
The requirement of underwater operation equipment.
Therefore, need a kind of pipe connecting structure for underwater operation equipment badly, can effectively reduce between pipeline directly
Internal residual stress caused by welding, the intensity of integrated connection is lifted, weaken and absorb connecting pipe and applied during moment of torsion
Power compression, preloading added, to allow the interference of maximum axial during connector is applied torsion moment to, can be prevented
Weld suction line and flow into pipe in interior surface injustice thing caused by flame, can effectively reduce the internal pressure in connection procedure,
And make thermal deformation minimumization during welding, the sealing inside pipeline can not only be provided, moreover it is possible to reduce fraction defective, there is structure
Simply, it is easy to implement, the characteristics of being connected firmly.
Utility model content
In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to provide a kind of connection knot for pipeline
It structure, can reduce because internal residual stress caused by welding, lifts the intensity of integrated connection, weaken and absorb connecting pipe and exist
Power compression, preloading applied in moment of torsion process, to allow maximum axial during connector is applied torsion moment to
Interference, can prevent in welding suction line and flow into pipe in interior surface injustice thing caused by flame, can effectively reduce and connect
Internal pressure in journey, and thermal deformation minimumization when making welding.
To realize above-mentioned purpose of utility model, the technical solution adopted in the utility model is as follows：
A kind of attachment structure for pipeline, including junction block, connecting tube, closing sleeve and adapter sleeve, wherein, gripping sleeve
Cylinder is arranged on the side of junction block, and fixed thereto；It is fixed thereto in one press-in connector pipe of adapter sleeve, it is machined with the second warpage
The other end in portion extends and is fixed on closing sleeve；Connecting tube one end and the connection of closing sleeve sealing, are oppositely arranged
Other end keeps the extension of connection therewith away from junction block；Joggling part by connecting tube and is provided with by closing sleeve
Adapter sleeve links into an integrated entity, and connecting for connecting tube and junction block is realized, under the reinforcing of closing sleeve, it is ensured that whole connection
The intensity of device, internal residual stress caused by direct welding between pipeline can be effectively reduced, lift the intensity of integrated connection,
Weaken and absorb power compression, preload of the connecting pipe applied in moment of torsion process, so as in the company of applying torsion moment to
Allow the interference of maximum axial during fitting, can prevent in welding suction line and flow into pipe in interior surface injustice caused by flame
Thermal deformation minimumization when thing, can effectively reduce the internal pressure in connection procedure, and make welding, can not only be provided in pipeline
The sealing in portion, moreover it is possible to reduce fraction defective, have it is simple in construction, it is easy to implement, the characteristics of being connected firmly.
Preferably, adapter sleeve extends the outboard end of junction block, is bent towards closing sleeve, and the second joggling part formed
Fixed with closing sleeve, by the second joggling part for bending outwards setting so that the place formation of junction block and connecting tube overlap joint
One bell-mouthed transitional region, it is scattered and offset flow through fluid inside connecting tube by lap-joint to the direct of connecting portion
Impact, meanwhile, closing sleeve it is scattered, offset under, it is ensured that the intensity of pipeline junction, weaken and absorb connecting pipe and exist
Power compression, preloading applied in moment of torsion process, to allow maximum axial during connector is applied torsion moment to
Interference.
Preferably, firm, sealing can be fixed for the ease of the second joggling part with closing sleeve, the endoporus of closing sleeve
Side wall ends are provided with annular projection, by the presence of annular projection so that the second joggling part after bending can be close to press from both sides
Tight set cylinder, it is ensured that the steadiness being attached thereto.
Preferably, in order to ensure the life-span of closing sleeve, reduce in process to the stress concentration of closing sleeve, also wrap
Include and be removably embedded on closing sleeve, and web fixed thereto.
Preferably, web is embedded in end side surface of the closing sleeve away from junction block, is set towards connecting tube, and with being connected
Set is fixed, and by dismountable web, internal residual stress, lifting caused by direct welding are whole between can effectively reducing pipeline
The intensity of body connection.
Preferably, conduit is offered with adapter sleeve connection stability and reliability, the end side surface of web in order to be lifted, the
It is fixed inside two joggling parts press-in conduit；
Further, the setting of conduit and junction block coaxial line, the bonding strength of whole pipeline is lifted with this, and lifting connects
The sealing connect.
Preferably, in order to lift the bonding strength between connecting tube and closing sleeve, the sealing after enhancing connection, connect
Pipe towards closing sleeve with the outside of the connection end of adapter sleeve, being bent to form the first joggling part, by the way that the connection end of connecting tube is set
The first joggling part put, adds the connection area with adapter sleeve, improves bonding strength, it is ensured that the sealing of connection.
Preferably, connecting tube is pressed into fixed in conduit by the first joggling part；
Further, the curvature of the first joggling part is more than the curvature of the second zigzag part, in order to which connecting tube passes through the first folding
Pars convoluta is covered and is superimposed upon on the second zigzag part, jointly and is welded in the conduit on web, is caused with elimination directly welding interior
The intensity effect that portion's residual stress is brought.
Preferably, in addition to it is arranged between closing sleeve and adapter sleeve, the tensioning ring made of elastomeric material, passes through pressure
There is elastic tensioning ring, it is ensured that the sealing connected between closing sleeve and adapter sleeve after contracting.
Preferably, tensioning ring is filled in the space that the second joggling part surrounds jointly with closing sleeve, connecting tube；Pass through tool
There is the tensioning ring of rebound characteristics, can be good at offsetting the fluid in connecting tube, when by the second joggling part, due to flow-passing surface
The radial pressure that product change is brought to side wall, extend the service life of adapter sleeve.
Compared with prior art, the attachment structure provided by the utility model for pipeline, by adding in connecting tube side
The fixation that first joggling part of work is engaged with the second joggling part of adapter sleeve, adds connection area；Will by closing sleeve
Connecting tube and it is provided with the adapter sleeve of joggling part and links into an integrated entity, connecting for connecting tube and junction block is realized, in closing sleeve
Reinforcing under, it is ensured that the intensity of whole attachment means, can effectively reduce between pipeline internal residual directly caused by welding
Stress, lift the intensity of integrated connection, weaken and absorb connecting pipe applied in moment of torsion process it is compression, preload
Power, to allow the interference of maximum axial during connector is applied torsion moment to, it can prevent in welding suction line and flow into pipe
Thermal change when in interior surface injustice thing caused by flame, can effectively reduce the internal pressure in connection procedure, and make welding
Shape minimumization, the sealing inside pipeline can not only be provided, moreover it is possible to reduce fraction defective, there is simple in construction, easy to implement, connection
The characteristics of firm.
Brief description of the drawings
Figure of description
Fig. 1 is the structural representation of the attachment structure provided by the utility model for underwater operation equipment.
Embodiment
The utility model is made further in detail, intactly to illustrate with reference to embodiment and accompanying drawing.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
As shown in figure 1, it is preferable to carry out for the pipe connecting structure provided by the utility model for underwater operation equipment
The structural representation of mode, as shown in figure 1, a kind of pipe connecting structure for underwater operation equipment, including junction block 10, company
Adapter 20, closing sleeve 30 and adapter sleeve 40, wherein, closing sleeve 30 is arranged on the side of junction block 10, and fixed thereto；Even
Fixed thereto in 40 1 press-in connector pipes 10 of female connector, the other end for being machined with the second joggling part 41 extends and is fixed on clamping
On sleeve 30；The connection that the one end of connecting tube 20 and closing sleeve 30 seal, the other end being oppositely arranged away from junction block 10, and
The extension of connection is kept therewith；With this, connecting tube is linked into an integrated entity with the adapter sleeve for being provided with joggling part by closing sleeve,
Connecting for connecting tube and junction block is realized, under the reinforcing of closing sleeve, it is ensured that the intensity of whole attachment means, Neng Gouyou
Internal residual stress caused by directly being welded between effect reduction pipeline, lifts the intensity of integrated connection, weakens and absorb connecting tube
Power compression, preload of the road applied in moment of torsion process, it is maximum to allow during connector is applied torsion moment to
The interference of axial direction, it can prevent in welding suction line and flow into pipe in interior surface injustice thing caused by flame, can the effective company of reduction
Internal pressure in termination process, and thermal deformation minimumization when making welding, can not only provide the sealing inside pipeline, moreover it is possible to
Reduce fraction defective, have it is simple in construction, it is easy to implement, the characteristics of being connected firmly.
Adapter sleeve 40 can select various appropriate structures, in the utility model, it is preferable that as shown in figure 1, adapter sleeve
40 outboard end for extending junction block 10, bends towards closing sleeve 30, and the second joggling part 41 and closing sleeve formed
30 fix, with this, by the second joggling part for bending outwards setting so that the place of junction block and connecting tube overlap joint forms one
Bell-mouthed transitional region, it is scattered and offset and flow through fluid inside connecting tube by direct punching of the lap-joint to connecting portion
Hit, meanwhile, under the scattered of closing sleeve, counteracting, it is ensured that the intensity of pipeline junction, weaken and absorb connecting pipe and turning round
Power compression, preloading applied in square process, to allow maximum axial during connector is applied torsion moment to
Interference.
Further, firm, sealing can be fixed for the ease of the second joggling part 41 with closing sleeve 30, closing sleeve
30 endoporus side wall ends are provided with annular projection 31, with this, by the presence of annular projection so that the second folding after bending
Pars convoluta can be close to closing sleeve, it is ensured that the steadiness being attached thereto.
It is preferably carried out in scheme in the utility model, in order to ensure the life-span of closing sleeve 30, reduces in process
To the stress concentration of closing sleeve 30, pipe connecting structure also includes removably being embedded on closing sleeve 30, and solid therewith
Fixed web 50, by being detachably embedded in closing sleeve, it is easy to the maintenance and maintenance in later stage；Preferably, web 50 is embedded in
In end side surface of the closing sleeve 30 away from junction block 10, set towards connecting tube 20, and fixed with adapter sleeve 40, with this, passed through
Dismountable web, internal residual stress caused by direct welding between pipeline can be effectively reduced, lifts the strong of integrated connection
Degree；Further, conduit 51 is offered with adapter sleeve connection stability and reliability, the end side surface of web 50 in order to be lifted,
It is fixed in the second joggling part 41 press-in conduit 51 of adapter sleeve 40；Preferably, the setting of conduit 51 and the coaxial line of junction block 10, with
This lifts the bonding strength of whole pipeline, lifts the sealing of connection.
In order to lift the bonding strength between connecting tube 20 and closing sleeve 30, the sealing after enhancing connection, connecting tube
20 with the outside of the connection end of adapter sleeve 40, the first joggling part 21 is bent to form towards closing sleeve 30, by by the company of connecting tube
The first joggling part that end is set is connect, the connection area with adapter sleeve is added, improves bonding strength, it is ensured that the sealing of connection
Property；Preferably, connecting tube 20 is pressed into the inside of conduit 51 by the first joggling part 21 and fixed；Further, first joggling part 21
Curvature is more than the curvature of the second zigzag part 41, in order to which connecting tube is covered by the first joggling part and is superimposed upon the second zigzag part
On, jointly and it is welded in the conduit on web, to eliminate the intensity effect that directly welding causes internal residual stress to bring.
On the basis of above-described embodiment, in a kind of specific embodiment, as shown in figure 1, pipe connecting structure also includes
The tensioning ring 60 being arranged between closing sleeve 30 and adapter sleeve 40, the tensioning ring 60 is made up of elastomeric material, after compression
With elastic tensioning ring, it is ensured that the sealing connected between closing sleeve and adapter sleeve；Further, tensioning ring 60 is filled
In the space that the second joggling part 41 surrounds jointly with closing sleeve 30, connecting tube, with this, pass through the tensioner with rebound characteristics
It circle, can be good at offsetting the fluid in connecting tube, when by the second joggling part, brought because area of passage changes to side wall
Radial pressure, extend the service life of adapter sleeve.
Preferably, the tensioning ring 60 is using soft high polymer material or the high polymer material with foam performance is made,
The stable components of tensioning ring 60, it is pollution-free, meet corrosion resistant requirement.Preferably, the tensioning ring 60 is by with foam performance
Rubber and plastic high polymer material is made, common used material such as NBR (nitrile-butadiene rubber, nitrile butadiene rubber),
EVA (ethylene-vinyl acetate copo, ethylene-vinyl acetate copolymer), PE (vinyon), PVC
(Polyvinyl Chloride, polyvinyl chloride), TPE (Thermoplastic Elastomer, thermoplastic elastomer (TPE)), EPDM
(Ethylene-Propylene-Diene Monomer, ethylene propylene diene rubber).
In wherein one specifically embodiment, used by the tensioning ring 60 material can be plastics, rubber, can also
For plastics, the compound of rubber, using plastics, rubber compound made of tensioning ring 60 there is good sealing, anti-corrosion etc.
Effect, improve the reliability of assembling pipe joint.
In summary, it is engaged by the first joggling part processed in connecting tube side with the second joggling part of adapter sleeve
It is fixed, add connection area；Connecting tube is linked into an integrated entity with the adapter sleeve for being provided with joggling part by closing sleeve, realized
Connecting tube connects with junction block, under the reinforcing of closing sleeve, it is ensured that the intensity of whole attachment means, can effectively subtract
Internal residual stress caused by directly being welded between education and correction for juvenile offenders road, the intensity of integrated connection is lifted, weaken and absorb connecting pipe and exist
Power compression, preloading applied in moment of torsion process, to allow maximum axial during connector is applied torsion moment to
Interference, can prevent in welding suction line and flow into pipe in interior surface injustice thing caused by flame, can effectively reduce and connect
Internal pressure in journey, and thermal deformation minimumization when making welding, can not only provide the sealing inside pipeline, moreover it is possible to reduce
Fraction defective, have it is simple in construction, it is easy to implement, the characteristics of being connected firmly.
Finally be necessary described herein be：Above example is served only for making further the technical solution of the utility model
Explain, it is impossible to be interpreted as the limitation to scope of protection of the utility model, those skilled in the art is new according to this practicality
Some nonessential modifications and adaptations that the above of type is made belong to the scope of protection of the utility model.
Claims (10)
1. for pipeline attachment structure, it is characterised in that including junction block (10), connecting tube (20), closing sleeve (30) and
Adapter sleeve (40), wherein, closing sleeve (30) is arranged on the side of junction block (10), and fixed thereto；Adapter sleeve (40) one
Fixed thereto in press-in connector pipe (10), the other end for being machined with the second joggling part (41) extends and is fixed on closing sleeve
(30) on；Connecting tube (20) one end and the connection of closing sleeve (30) sealing, the other end being oppositely arranged is away from junction block
(10) extension of connection is kept, and therewith.
2. attachment structure according to claim 1, it is characterised in that adapter sleeve (40) extends the outside of junction block (10)
End, bent towards closing sleeve (30), and the second joggling part (41) formed and closing sleeve (30) are fixed.
3. attachment structure according to claim 1 or 2, it is characterised in that the endoporus side wall ends of closing sleeve (30) are set
There is annular projection (31).
4. attachment structure according to claim 3, it is characterised in that also include removably being embedded in closing sleeve (30)
On, and web fixed thereto (50).
5. attachment structure according to claim 4, it is characterised in that web (50) is embedded in closing sleeve (30) away from connecing
In the end side surface of head tube (10), set towards connecting tube (20), and it is fixed with adapter sleeve (40).
6. the attachment structure according to claim 4 or 5, it is characterised in that the end side surface of web (50) offers conduit
(51) it is, fixed inside the second joggling part (41) press-in conduit (51).
7. attachment structure according to claim 6, it is characterised in that outside the connection end of connecting tube (20) and adapter sleeve (40)
Side, the first joggling part (21) is bent to form towards closing sleeve (30).
8. attachment structure according to claim 7, it is characterised in that connecting tube (20) is pressed into by the first joggling part (21)
It is fixed in conduit (51).
9. attachment structure according to claim 1, it is characterised in that also include being arranged on closing sleeve (30) and adapter sleeve
(40) between, tensioning ring (60) made of elastomeric material.
10. attachment structure according to claim 9, it is characterised in that tensioning ring (60) is filled in the second joggling part (41)
In the space surrounded jointly with closing sleeve (30), connecting tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378412.8U CN206770822U (en) | 2017-04-12 | 2017-04-12 | Attachment structure for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720378412.8U CN206770822U (en) | 2017-04-12 | 2017-04-12 | Attachment structure for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206770822U true CN206770822U (en) | 2017-12-19 |
Family
ID=60631800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720378412.8U Expired - Fee Related CN206770822U (en) | 2017-04-12 | 2017-04-12 | Attachment structure for pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206770822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126954A (en) * | 2022-06-28 | 2022-09-30 | 福建省闽旋科技股份有限公司 | Novel rotary sealing device for fixing inner pipe |
-
2017
- 2017-04-12 CN CN201720378412.8U patent/CN206770822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126954A (en) * | 2022-06-28 | 2022-09-30 | 福建省闽旋科技股份有限公司 | Novel rotary sealing device for fixing inner pipe |
| CN115126954B (en) * | 2022-06-28 | 2024-02-02 | 福建省闽旋科技股份有限公司 | Rotary sealing device for fixing inner pipe |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 |