CN206112321U - Double containment formula pipeline connecting structure - Google Patents
Double containment formula pipeline connecting structure Download PDFInfo
- Publication number
- CN206112321U CN206112321U CN201621130260.1U CN201621130260U CN206112321U CN 206112321 U CN206112321 U CN 206112321U CN 201621130260 U CN201621130260 U CN 201621130260U CN 206112321 U CN206112321 U CN 206112321U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- sealing
- pipe joint
- pipe
- wall
- 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
Links
Abstract
The utility model discloses a double containment formula pipeline connecting structure, including the same first pipeline and second pipeline of external diameter, first pipeline and second pipeline pass through pipe joint and connect, pipe joint is two lamella formula pipe joint, pipe joint's middle part is inside cavity to outside protruding setting the, bulge's inboard are the sealed chamber of " protruding " font, sealed intracavity is equipped with and is used for the sealing washer that seals, laminate respectively at the pipeline outer wall of first pipeline and second pipeline in pipe joint's both sides, pipe joint's both sides are equipped with the constant head tank respectively with pipeline contacts's one side, be equipped with the location snap ring that is used for the location in the constant head tank. The utility model discloses double containment formula pipeline connecting structure have simple structure, with low costs, sealing performance good, pipeline damage is little and advantage such as long service life.
Description
Technical field
This utility model is related to assembling pipe joint, specially a kind of Dual-sealing pipe connecting structure.
Background technology
At present, existing pipeline connected mode mostly is to be added using sealing ring and be attached in the form of pipe joint, the pipe
The groove for placing sealing ring is provided with road joint, when pipe joint connects two pipelines, sealing ring is located at pipeline and pipeline
Between joint and compress pipeline, it is to avoid fluids within pipes flow out, and realize the effect of sealing pipeline, and this kind is traditionally used for connecting tube
The pipe joint in road mostly is snap joint, is easily installed when using and connects.However, this kind of traditional pipeline of pipeline connected mode one
Fluid pressure is excessive, and pipe end and sealing ring are subject to after Fluid pressure impact, seepage easily occur, and pipe easily occurs in severe patient
The situation that road comes off.And belling groove or groove are needed for the pipeline connection of Large Diameter Pipeline to increase the intensity of connection, but press
The intensity of pipeline itself can be impacted while groove, pipeline easily forms leakage point in belling groove or groove position.
Utility model content
This utility model provides that a kind of simple structure, low cost, good seal performance, pipe damage be little and service life
Long Dual-sealing pipe connecting structure.
This utility model can be achieved through the following technical solutions：
Dual-sealing pipe connecting structure, including the pipeline of external diameter identical first and second pipe, first pipeline and
Second pipe is connected by pipe joint, and the pipe joint is two-flap type pipe joint, and the middle part of the pipe joint is interior
Portion is hollow, and outwardly convex is arranged, and the inner side of bossing is the annular seal space of "convex" shaped, and the sealing intracavity is provided with for close
The sealing ring of envelope, the outside of the sealing ring is engaged with "convex" shaped sealing inner cavity surface, and the sealing ring is provided with and pipe
The medium flow field port of road connection, the both sides of the pipe joint are fitted in respectively the pipeline outer wall of the first pipeline and second pipe,
The both sides of the pipe joint are respectively equipped with locating slot with the one side of tube contacts, are provided with for snap-in location in the locating slot
The positioning snap ring of pipeline.This utility model Dual-sealing pipe connecting structure is mainly by two-flap type pipe joint, and pipe joint is close
The sealing ring that envelope intracavity is arranged, and pipe joint both sides positioning snap ring composition, its parts constitute few, simple structure；Pipeline
Joint, sealing ring and positioning snap ring can be made into using conventional material, its abundant raw material source, low cost；"convex" shaped
The setting of medium flow field port on annular seal space inner seal ring and sealing ring, makes sealing ring form two seals, is sealed into for first
The sealing principle of automobiles without inner tubes tire is make use of, in the pipeline and sealing ring under the pressure of fluid media (medium), sealing ring is closely pasted
Close on pipeline outer wall, formed and sealed together, effectively prevent fluid media (medium) outflow, second from being sealed into by two-flap type pipe joint
Enough thrusts are applied to the sealed cylindrical position of sealing ring boss both sides, makes sealing ring cylinder position be fitted in pipeline
Formed on outer wall, it is less in pipeline internal medium despite pressure fluctuations or pressure, or pipeline pressure is less than external environment condition pressure
In the case of power, first sealing can fail, and second sealing will play a role, and this kind of double sealing structure is arranged and ensure that reliability
Sealing, good seal performance；Pipe joint both sides position the setting of snap ring, apply enough to pipeline in two-flap type pipe joint
During thrust, positioning snap ring is circumferentially engaged embedded pipeline outer wall, and it is too deep to be engaged embedded pipeline outer wall, and one
Aspect, which creates enough axial forces, realizes the axially position of pipeline and pipe joint, and on the other hand, it is effectively ensured
The axial force of intensity and generation, while the damage to pipeline outer wall is less, effective protection pipeline extends the use of pipeline
Life-span.
Further, the two-flap type pipe joint is the pipe joint being made up of two lobe semi-circular joints, two lobe semicircles
Shape joint is fitted in the pipeline outer wall of the first pipeline and second pipe after securing member connection, and the securing member is fastening spiral shell
Bolt, its is easy for installation, and connection is quick.
Further, "convex" shaped shape is per the longitudinal section of lobe semi-circular joint, the semi-circular joint is middle part
The lobe of outwardly convex, two ends are the flat part arranged parallel to pipeline, the annular seal space be located at lobe and flat part it
Between, two lobe semi-circular joints after securing member connection, the flat part at semi-circular joint two ends be fitted in respectively the first pipeline and
The pipeline outer wall of second pipe.
Further, the sealing ring is the "convex" shaped sealing ring being engaged with the annular seal space of "convex" shaped.It is described close
Seal is rubber seal, and the boss of the sealing ring is provided with oval-shaped cavity, and the oval-shaped cavity is provided with and pipeline
The medium flow field port of connection, the both sides of sealing ring boss are sealed cylindrical positions.Due to the fluid in pipeline and sealing ring
Pressure is always fluctuating up and down, and it has temporary impact to sealing ring inner chamber, and sealing ring is arranged using oval-shaped cavity, oval interior
Cavity configuration is symmetrical, each several part uniform wall thickness, without dead angle, effectively prevent the destructive stress concentration of generation, it is to avoid rubber
The fatigue damage of material, effectively extends the service life of sealing ring.
Further, it is described positioning snap ring be " C " type position snap ring, the positioning snap ring along the circumferential direction with the first pipeline
Or the side of second pipe contact is provided with a circle groove, the side of the groove two is the blade for being engaged embedded pipeline outer wall.
The medial wall of the blade is obliquely installed from inside to outside, and the angle formed between the blade medial wall and pipeline outer wall is sharp
Angle.The positioning snap ring is that " C " type for lacking a section in circumferencial direction positions snap ring, effectively can be pressed to pipeline by pipe joint
On outer wall.The setting of the side inclined edge of positioning snap ring upper groove two, forming locator card ring circumferentially has two
Row's acute angle blade, blade is engaged embedded pipeline outer wall under the thrust of pipe joint, and blade medial wall is formed with pipeline outer wall
One inclined at acute angles angle, the positioning clasp design of this kind of structure, it is too deep to be engaged embedded pipeline outer wall, just can produce enough
Axial force, realize the axially position of pipeline and joint, meanwhile, both sides are equipped with the locator card of two row's edge structures of blade
Ring, it is higher than the snap ring intensity of single blade, and the axial force of generation is bigger, and it damages less to pipeline outer wall, effectively
Extend the service life of pipeline.
This utility model Dual-sealing pipe connecting structure, with following beneficial effect：
Firstth, simple structure, this utility model Dual-sealing pipe connecting structure is mainly by two-flap type pipe joint, pipeline
The sealing ring that joint sealing intracavity is arranged, and pipe joint both sides positioning snap ring composition, its parts constitute few, structure letter
It is single；
Secondth, low cost, pipe joint, sealing ring and positioning snap ring can be made into using conventional material, its raw material
Abundance, low cost；
3rd, good seal performance, the setting of medium flow field port, makes on "convex" shaped annular seal space inner seal ring and sealing ring
Sealing ring forms two seals, is sealed into the sealing principle that make use of automobiles without inner tubes tire first, in pipeline and sealing ring
Under the pressure of interior fluid media (medium), sealing ring is fitted tightly on pipeline outer wall, is formed and is sealed together, is effectively prevented outside fluid media (medium)
Stream, second is sealed into and applies enough pressures to the sealed cylindrical position of sealing ring boss both sides by two-flap type pipe joint
Clamp force, makes sealing ring cylinder position be fitted in what is formed on pipeline outer wall, in pipeline internal medium despite pressure fluctuations or pressure
It is less, or pipeline pressure, less than in the case of ambient exterior atmospheric pressure, first sealing can change effect, and second sealing will play work
With this kind of double sealing structure is arranged and ensure that reliable sealing, good seal performance；
4th, pipeline location is good, difficult for drop-off, and pipe joint both sides position the setting of snap ring, in two-flap type pipe joint
When applying enough thrusts to pipeline, the positioning clasp design of this kind of structure, it is too deep to be engaged embedded pipeline outer wall, with regard to energy
Enough axial forces are produced, the axially position of pipeline and joint is realized, meanwhile, both sides are equipped with two row's edge structures of blade
Positioning snap ring, it is higher than the snap ring intensity of single blade, and the axial force of generation is bigger, and pipeline location is good, difficult for drop-off；
5th, pipeline and sealing ring long service life, because the Fluid pressure in pipeline and sealing ring is always in upper and lower ripple
Dynamic, it has temporary impact to sealing ring inner chamber, and sealing ring is arranged using oval-shaped cavity, oval-shaped cavity symmetrical configuration, each portion
Point uniform wall thickness, without dead angle, effectively prevent the destructive stress concentration of generation, it is to avoid the fatigue damage of elastomeric material,
Effectively extend the service life of sealing ring；Both sides are equipped with the positioning snap ring of two row's edge structures of blade, symmetrical configuration, its
While ensureing that axial force is enough, less is damaged to pipeline outer wall, effectively extend the service life of pipeline.
Description of the drawings
Accompanying drawing 1 is the generalized section of this utility model Dual-sealing pipe connecting structure；
Accompanying drawing 2 is the A portions enlarged drawing in accompanying drawing 1；
Accompanying drawing 3 is the B portions enlarged drawing in accompanying drawing 1.
Specific embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to embodiment and
Accompanying drawing is described in further detail to this utility model product.
As shown in Figure 1 to Figure 3, Dual-sealing pipe connecting structure, including the first pipeline of external diameter identical 10 and second pipe
Road 50, first pipeline 10 and second pipe 50 are connected by pipe joint 20, and the pipe joint 20 is two-flap type pipeline
Joint 20, the middle part of the pipe joint 20 is inner hollow, and outwardly convex is arranged, and the inner side of bossing is "convex" shaped
Annular seal space, the sealing intracavity is provided with the sealing ring 30 for sealing, and the outside of the sealing ring 30 seals with "convex" shaped
Inner cavity surface is engaged, and the sealing ring 30 is provided with the medium flow field port 32 with pipeline communication, and the two of the pipe joint 20
Side is fitted in respectively the pipeline outer wall of the first pipeline 10 and second pipe 50, both sides and the tube contacts of the pipe joint 20
The positioning snap ring 40 being provided with for snap-in location pipeline is simultaneously respectively equipped with locating slot 24, the locating slot 24.This practicality is new
The sealing ring that type Dual-sealing pipe connecting structure is mainly arranged by two-flap type pipe joint 20, the sealing intracavity of pipe joint 20
30, and the both sides of pipe joint 20 positioning snap ring 40 constitutes, its parts constitutes few, simple structure；Pipe joint 20, sealing ring
30 and positioning snap ring 40 can be made into using conventional material, its abundant raw material source, low cost；"convex" shaped seals intracavity
The setting of medium flow field port 32 on sealing ring 30 and sealing ring 30, makes sealing ring 30 form two seals, is sealed into for first
The sealing principle of automobiles without inner tubes tire is make use of, in the pipeline and sealing ring 30 under the pressure of fluid media (medium), sealing ring 30 is tight
It is close to be fitted on pipeline outer wall, formed and sealed together, effectively prevent fluid media (medium) outflow, second from being sealed into by two-flap type pipeline
Joint 20 applies enough thrusts to the sealed cylindrical position of the boss both sides of sealing ring 30, makes the cylinder position of sealing ring 30
It is fitted in what is formed on pipeline outer wall, it is less in pipeline internal medium despite pressure fluctuations or pressure, or pipeline pressure is less than
In the case of ambient exterior atmospheric pressure, first sealing can change effect, and second sealing will play a role, and this kind of double sealing structure is arranged
Ensure that reliable sealing, good seal performance；The both sides of pipe joint 20 position the setting of snap ring 40, in two-flap type pipe joint 20
When applying enough thrusts to pipeline, positioning snap ring 40 is circumferentially engaged embedded pipeline outer wall, and will not be engaged
Embedded pipeline outer wall is too deep, on the one hand, which create enough axial forces, and the axial direction for realizing pipeline and pipe joint 20 is determined
Position, on the other hand, it has been effectively ensured the axial force of intensity and generation, while the damage to pipeline outer wall is less, effective protection
Pipeline, extends the service life of pipeline.
As shown in figure 1, the two-flap type pipe joint 20 is the pipe joint 20 being made up of two lobe semi-circular joints, per lobe
The longitudinal section of semi-circular joint is "convex" shaped shape, and the semi-circular joint is the lobe 21 of middle part outwardly convex, and two
End is the flat part 22 arranged parallel to pipeline, and the annular seal space is located between lobe 21 and flat part 22, and two lobes are semicircle
After securing member connection, the flat part 22 at semi-circular joint two ends is fitted in respectively the first pipeline 10 and second pipe 50 to joint
Pipeline outer wall, the securing member is fastening bolt, and the flat part 22 is provided with being fastenedly connected of being engaged with fastening bolt
Hole 23.Two lobe semi-circular joints are clamped by fastening bolt connection, and its is easy for installation, and connection is quick.
As depicted in figs. 1 and 2, the sealing ring 30 is the "convex" shaped sealing ring being engaged with the annular seal space of "convex" shaped
30.The sealing ring 30 is rubber seal 30, and the bossing of the sealing ring 30 is provided with oval-shaped cavity 31, the ellipse
Shape inner chamber 31 is provided with the medium flow field port 32 with pipeline communication.Because the Fluid pressure in pipeline and sealing ring 30 is always upper and lower
Fluctuation, it has temporary impact to the inner chamber of sealing ring 30, and sealing ring 30 is arranged using oval-shaped cavity 31, the structure of oval-shaped cavity 31
Symmetrically, each several part uniform wall thickness, without dead angle, effectively prevent the destructive stress concentration of generation, it is to avoid elastomeric material
Fatigue damage, effectively extends the service life of sealing ring 30.
As shown in figures 1 and 3, the positioning snap ring 40 is that " C " type positions snap ring 40, and the positioning snap ring 40 is circumferentially square
A circle groove 41 is provided with to the side contacted with the first pipeline 10 or second pipe 50,41 liang of sides of the groove are for being engaged
The blade 42 of embedded pipeline outer wall.The medial wall of the blade 42 is obliquely installed from inside to outside, the medial wall of the blade 42 with pipe
The angle formed between pipeline outer wall is acute angle.The positioning snap ring 40 is that " C " type for lacking a section in circumferencial direction positions snap ring
40, effectively can be pressed on pipeline outer wall by pipe joint 20.Described positioning snap ring 40 upper groove, 41 liang of side inclined edges 42
Setting, form positioning snap ring 40 and circumferentially have two row's acute angle blades 42, compression of the blade 42 in pipe joint 20
It is engaged embedded pipeline outer wall under power, the medial wall of blade 42 and pipeline outer wall form an inclined at acute angles angle, this kind of structure is determined
Position snap ring 40 is designed, and will not be engaged that embedded pipeline outer wall is too deep, just can produce enough axial forces, realizes the axle of pipeline and joint
To positioning, meanwhile, both sides are equipped with the positioning snap ring 40 of the structure of two row's blade 42 of blade 42, and it is stronger than the snap ring of single blade
Du Genggao, the axial force of generation is bigger, and it damages less to pipeline outer wall, effectively extends the service life of pipeline.
The above, preferred embodiment only of the present utility model not makees any formal to this utility model
Restriction；The those of ordinary skill of all industry can shown in by specification accompanying drawing and the above and swimmingly implement this practicality
It is new；But, all those skilled in the art in the range of without departing from technical solutions of the utility model, using above institute
The technology contents of announcement and make a little change, modification with develop equivalent variations, be equivalence enforcement of the present utility model
Example；Meanwhile, the change of all above example is made any equivalent variations according to substantial technological of the present utility model, modification with
Develop etc., still fall within the protection domain of the technical solution of the utility model.
Claims (7)
1. the first pipeline of Dual-sealing pipe connecting structure, including external diameter identical and second pipe, first pipeline and
Two pipelines are connected by pipe joint, it is characterised in that：The pipe joint is two-flap type pipe joint, the pipe joint
Middle part inner hollow, and outwardly convex setting, the inner side of bossing is the annular seal space of "convex" shaped, and the sealing intracavity is provided with
For realizing the sealing ring of double sealing, the sealing ring is provided with the medium flow field port with pipeline communication, the pipe joint
Both sides be fitted in the pipeline outer wall of the first pipeline and second pipe, the both sides of the pipe joint and the one of tube contacts respectively
Face is respectively equipped with locating slot, and the positioning snap ring for snap-in location pipeline is provided with the locating slot.
2. Dual-sealing pipe connecting structure according to claim 1, it is characterised in that：The two-flap type pipe joint is
The pipe joint being made up of two lobe semi-circular joints, two lobe semi-circular joints by securing member connection after be fitted in the first pipeline and
The pipeline outer wall of second pipe.
3. Dual-sealing pipe connecting structure according to claim 2, it is characterised in that：Vertical section per lobe semi-circular joint
Face is "convex" shaped shape, and the semi-circular joint is the lobe of middle part outwardly convex, and two ends are to arrange parallel to pipeline
Flat part, the annular seal space be located between lobe and flat part, two lobe semi-circular joints by securing member connect after, semicircle
The flat part at shape joint two ends is fitted in respectively the pipeline outer wall of the first pipeline and second pipe.
4. the Dual-sealing pipe connecting structure according to claims 1 to 3 any one claim, it is characterised in that：Institute
It is the "convex" shaped sealing ring being engaged with the annular seal space of "convex" shaped to state sealing ring.
5. Dual-sealing pipe connecting structure according to claim 4, it is characterised in that：The boss of the sealing ring
Oval-shaped cavity is provided with, the oval-shaped cavity is provided with the medium flow field port with pipeline communication, the both sides of sealing ring boss
It is sealed cylindrical position.
6. the Dual-sealing pipe connecting structure according to claims 1 to 3 any one claim, it is characterised in that：Institute
State positioning snap ring be " C " type position snap ring, the positioning snap ring along the circumferential direction contact with the first pipeline or second pipe one
Side is provided with a circle groove, and the side of the groove two is the blade for being engaged embedded pipeline outer wall.
7. Dual-sealing pipe connecting structure according to claim 6, it is characterised in that：The medial wall of the blade is by interior
Outward-dipping setting, the angle formed between the blade medial wall and pipeline outer wall is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621130260.1U CN206112321U (en) | 2016-10-18 | 2016-10-18 | Double containment formula pipeline connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621130260.1U CN206112321U (en) | 2016-10-18 | 2016-10-18 | Double containment formula pipeline connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206112321U true CN206112321U (en) | 2017-04-19 |
Family
ID=58529752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621130260.1U Expired - Fee Related CN206112321U (en) | 2016-10-18 | 2016-10-18 | Double containment formula pipeline connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206112321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439302A (en) * | 2016-10-18 | 2017-02-22 | 刘之华 | Double-seal type pipeline connecting structure |
-
2016
- 2016-10-18 CN CN201621130260.1U patent/CN206112321U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439302A (en) * | 2016-10-18 | 2017-02-22 | 刘之华 | Double-seal type pipeline connecting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205642116U (en) | Fluoroplastics pipe heat exchanger tube and tube plate's connection, seal structure | |
| CN207246615U (en) | A kind of Mechanical Autofrettage formula fluid foods conveyance conduit attachment device | |
| CN206112321U (en) | Double containment formula pipeline connecting structure | |
| CN106439302A (en) | Double-seal type pipeline connecting structure | |
| CN210003996U (en) | quick joint | |
| CN203570452U (en) | Sealing structure of cylinder cover spacer combustion chamber | |
| CN205118237U (en) | Antiseized even rubber ring of ditch slot type coupling | |
| CN111288230A (en) | Double-sealing structure of threaded pipe joint | |
| CN212319085U (en) | Double-flange sealing type expansion joint | |
| CN204941452U (en) | A kind of hammering oil discharger | |
| CN210629062U (en) | Interior cable sealing joint that wears | |
| CN204785204U (en) | Fluid pressure line seal structure | |
| CN203363457U (en) | Pipe connecting assembly | |
| CN208268406U (en) | A kind of list lip outside framework oil seal | |
| CN208845916U (en) | A kind of run-resistant assembling pipe joint | |
| CN213299196U (en) | Connecting pipe structure of graphite tower | |
| CN212959970U (en) | Flexible cut-off device | |
| CN204729628U (en) | A kind of cylindrical rubber Sealing carrying Seal cage | |
| CN204457976U (en) | Sectional type exhaust tube joint connecting device | |
| CN2802232Y (en) | Inner-outer sealed inserted pipe joint | |
| CN213982490U (en) | Hose sealing element convenient to disassemble and assemble | |
| CN210890471U (en) | Detachable connecting pipe fitting | |
| CN215635558U (en) | Pipeline sealing device | |
| CN212028653U (en) | Soft and hard double-sealed high-temperature check valve | |
| CN201875136U (en) | Hydraulic sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170419 Termination date: 20191018 |