CN106439302A - Double-seal type pipeline connecting structure - Google Patents
Double-seal type pipeline connecting structure Download PDFInfo
- Publication number
- CN106439302A CN106439302A CN201610904129.4A CN201610904129A CN106439302A CN 106439302 A CN106439302 A CN 106439302A CN 201610904129 A CN201610904129 A CN 201610904129A CN 106439302 A CN106439302 A CN 106439302A
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- CN
- China
- Prior art keywords
- pipeline
- sealing
- pipe
- connecting structure
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a double-seal type pipeline connecting structure. The double-seal type pipeline connecting structure comprises a first pipeline and a second pipeline with the same outside diameter; the first pipeline is connected with the second pipeline through a pipeline connector; the pipeline connector is a two flap-type pipeline connector; the pipeline connector is internally hollow and is arranged in a manner of protruding outwards; the inner side of a protruded part is a convex sealing cavity; a sealing ring which is used for sealing is arranged in the sealing cavity; the two sides of the pipeline connector are respectively adhered to the outer pipeline walls of the first pipeline and the second pipeline; a positioning groove is formed in the sides, which are in contact with the pipeline, of the two sides of the pipeline connector; a positioning clamping ring which is used for positioning is arranged in each positioning groove. The double-seal type pipeline connecting structure disclosed by the invention has the advantages of simple structure, low cost, high sealing property, low pipeline damage, long service life and the like.
Description
Technical field
The present invention relates to assembling pipe joint, specially a kind of Dual-sealing pipe connecting structure.
Background technology
At present, existing pipeline connected mode mostly is and is attached in the form of sealing ring plus pipe joint, described pipe
It is provided with the groove for placing sealing ring, when pipe joint connects two pipelines, sealing ring is located at pipeline and pipeline in road joint
Between joint and compress pipeline, it is to avoid fluids within pipes flow out, realize the effect of sealing pipeline, this kind is traditionally used for connecting tube
The pipe joint in road mostly is snap joint, is easily installed and connects during use.However, this kind of traditional pipeline connected mode one pipeline
Fluid pressure is excessive, and, by, after Fluid pressure impact, easily seepage, managing easily occurs in severe patient for pipe end and sealing ring
The situation that road comes off.And the pipeline connection for Large Diameter Pipeline needs belling groove or groove to increase the intensity of connection, but pressure
The intensity of pipeline itself can be impacted while groove, pipeline easily forms leakage point in belling groove or groove position.
Content of the invention
The invention provides a kind of structure is simple, low cost, good seal performance, pipe damage are little and long service life
Dual-sealing pipe connecting structure.
The present invention can be achieved through the following technical solutions：
Dual-sealing pipe connecting structure, including external diameter identical first pipeline and second pipe, described first pipeline and second
Pipeline is connected by pipe joint, and described pipe joint is two-flap type pipe joint, and the middle part of described pipe joint is in inside
Sky, and outwardly convex setting, the inner side of bossing is the annular seal space of "convex" shaped, is provided with for sealing in described annular seal space
Sealing ring, matched with "convex" shaped sealing inner cavity surface in the outside of described sealing ring, described sealing ring is provided with pipeline even
Logical medium flow field port, the both sides of described pipe joint are fitted in the pipeline outer wall of the first pipeline and second pipe respectively, described
The both sides of pipe joint and the one side of tube contacts are respectively equipped with locating slot, are provided with for snap-in location pipeline in described locating slot
Positioning snap ring.Dual-sealing pipe connecting structure of the present invention mainly by two-flap type pipe joint, sets in pipe joint annular seal space
The sealing ring put, and pipe joint both sides positioning snap ring composition, its parts is constituted less, and structure is simple；Pipe joint, sealing
Circle and positioning snap ring all be can be made into using conventional material, its abundant raw material source, low cost；Close in "convex" shaped annular seal space
The setting of medium flow field port in seal and sealing ring, makes sealing ring form two seals, is sealed into for first and make use of in no
The sealing principle of tire automobile tire, under the pressure of fluid media (medium) in pipeline and sealing ring, sealing ring is fitted tightly over outside pipeline
On wall, formed and seal together, effectively stop fluid media (medium) outflow, second is sealed into convex to sealing ring by two-flap type pipe joint
The sealed cylindrical position playing position both sides applies enough thrusts, so that sealing ring cylinder position is fitted in and is formed on pipeline outer wall
, less in pipeline internal medium despite pressure fluctuations or pressure, or in the case of pipeline pressure is less than ambient exterior atmospheric pressure, the
One sealing can be lost efficacy, and second sealing will play a role, and this kind of double sealing structure setting ensure that reliable sealing, sealing
Performance is good；Pipe joint both sides position the setting of snap ring, when two-flap type pipe joint applies enough thrusts to pipeline, fixed
Position snap ring is circumferentially engaged embedded pipeline outer wall, and it is too deep to be engaged embedded pipeline outer wall, on the one hand, its generation
It is achieved that the axially position of pipeline and pipe joint, on the other hand, it has been effectively ensured intensity and product to enough axial forces
Raw axial force, the damage to pipeline outer wall is less simultaneously, effective protection pipeline, extends the service life of pipeline.
Further, described 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 by securing member after connecting, described securing member is fastening spiral shell
Bolt, it is easy for installation, connects quick.
Further, the longitudinal section of every lobe semi-circular joint is "convex" shaped shape, and described semi-circular joint is middle part
The lug boss of outwardly convex, two ends are the flat part parallel to pipeline setting, described annular seal space be located at lug boss and flat part it
Between, after two lobe semi-circular joints are connected by securing member, 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, described sealing ring is the "convex" shaped sealing ring matching with the annular seal space of "convex" shaped.Described close
Seal is rubber seal, and the boss of described sealing ring is provided with oval-shaped cavity, and described 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 adopts oval-shaped cavity to arrange, oval interior
Cavity configuration is symmetrical, and each several part uniform wall thickness does not have 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, described positioning snap ring be " C " type position snap ring, described positioning snap ring along the circumferential direction with the first pipeline
Or the side of second pipe contact is provided with a circle groove, described groove two side is the blade for being engaged embedded pipeline outer wall.
The madial wall of described blade is obliquely installed from inside to outside, and the angle being formed between described blade madial wall and pipeline outer wall is sharp
Angle.Described positioning snap ring is that " C " type lacking a section in circumferencial direction positions snap ring, effectively can be pressed to pipeline by pipe joint
On outer wall.The setting of described positioning snap ring upper groove two side inclined edge, so that locator card ring is formed circumferentially two
Row's acute angle blade, blade is engaged embedded pipeline outer wall under the thrust of pipe joint, and blade madial wall and pipeline outer wall are formed
One inclined at acute angles angle, the positioning clasp design of this kind of structure, embedded pipeline outer wall will not be engaged too deep, with regard to producing 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 is less to pipeline outer wall damage, effectively
Extend the service life of pipeline.
Dual-sealing pipe connecting structure of the present invention, has following beneficial effect：
Firstth, structure is simple, and mainly by two-flap type pipe joint, pipe joint seals Dual-sealing pipe connecting structure of the present invention
The sealing ring of setting in chamber, and pipe joint both sides positioning snap ring composition, its parts is constituted less, and structure is simple；
Secondth, low cost, pipe joint, sealing ring and positioning snap ring all be can be made into using conventional material, its raw material sources
Abundant, low cost；
3rd, good seal performance, on "convex" shaped annular seal space inner seal ring and sealing ring, the setting of medium flow field port, makes sealing
Circle forms two seals, is sealed into the sealing principle that make use of automobiles without inner tubes tire for first, flows in pipeline and sealing ring
Under the pressure of body medium, sealing ring is fitted tightly on pipeline outer wall, is formed and seals together, effectively stops fluid media (medium) outflow,
Second is sealed into and applies enough compressions by two-flap type pipe joint to the sealed cylindrical position of sealing ring boss both sides
Power, makes sealing ring cylinder position be fitted in and is formed on pipeline outer wall, in pipeline internal medium despite pressure fluctuations or pressure relatively
Little, or in the case of pipeline pressure is less than ambient exterior atmospheric pressure, first sealing can change effect, and second sealing will play work
With this kind of double sealing structure setting 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 to pipe
When road applies enough thrusts, 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 forces, realize the axially position of pipeline and joint, and meanwhile, both sides are equipped with the positioning of two row's edge structures of blade
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 fluctuating up and down, its
There is temporary impact to sealing ring inner chamber, sealing ring adopts oval-shaped cavity to arrange, oval-shaped cavity symmetrical configuration, each several part wall thickness
Uniformly, there is no dead angle, effectively prevent the destructive stress concentration of generation, it is to avoid the fatigue damage of elastomeric material, effectively prolong
Grow 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, and it is ensureing
While axial force is enough, pipeline outer wall is damaged less, effectively extend the service life of pipeline.
Brief description
Accompanying drawing 1 is the generalized section of Dual-sealing pipe connecting structure of the present invention；
Accompanying drawing 2 is the A portion enlarged drawing in accompanying drawing 1；
Accompanying drawing 3 is the B portion enlarged drawing in accompanying drawing 1.
Specific embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to embodiment and accompanying drawing
Product of the present invention is described in further detail.
As shown in Figure 1 to Figure 3, Dual-sealing pipe connecting structure, including external diameter identical the first pipeline 10 and second pipe
Road 50, described first pipeline 10 and second pipe 50 are connected by pipe joint 20, and described pipe joint 20 is two-flap type pipeline
Joint 20, the middle part of described pipe joint 20 is inner hollow, and outwardly convex setting, and the inner side of bossing is "convex" shaped
Annular seal space, be provided with the sealing ring 30 for sealing in described annular seal space, the outside of described sealing ring 30 and "convex" shaped seal
Inner cavity surface matches, and described sealing ring 30 is provided with the medium flow field port 32 with pipeline communication, and the two of described pipe joint 20
Side is fitted in the pipeline outer wall of the first pipeline 10 and second pipe 50, the both sides of described pipe joint 20 and tube contacts respectively
Simultaneously it is respectively equipped with locating slot 24, in described locating slot 24, be provided with the positioning snap ring 40 for snap-in location pipeline.The present invention is double
Sealed pipe attachment structure mainly by two-flap type pipe joint 20, the sealing ring 30 of setting in pipe joint 20 annular seal space, with
And pipe joint 20 both sides positioning snap ring 40 is constituted, its parts is constituted less, and structure is simple；Pipe joint 20, sealing ring 30 with
And positioning snap ring 40 all be can be made into using conventional material, its abundant raw material source, low cost；"convex" shaped annular seal space interior sealing
The setting of medium flow field port 32 on circle 30 and sealing ring 30, makes sealing ring 30 form two seals, is sealed into utilization first
The sealing principle of automobiles without inner tubes tires, under the pressure of fluid media (medium) in pipeline and sealing ring 30, sealing ring 30 closely pastes
It is combined on pipeline outer wall, is formed and seal together, effectively stop fluid media (medium) outflow, second is sealed into by two-flap type pipe joint
The sealed cylindrical position of 20 pairs of sealing ring 30 boss both sides applies enough thrusts, so that sealing ring 30 cylinder position is fitted
Pipeline outer wall is formed, less in pipeline internal medium despite pressure fluctuations or pressure, or pipeline pressure is less than outside
In the case of environmental pressure, first sealing can change effect, and second sealing will play a role, and this kind of double sealing structure setting ensures
Reliable sealing, good seal performance；Pipe joint 20 both sides position the setting of snap ring 40, in two-flap type pipe joint 20 to pipe
When road applies enough thrusts, 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 it is achieved that the axially position of pipeline and pipe joint 20, separately
On the one hand, it has been effectively ensured the axial force of intensity and generation, the damage to pipeline outer wall is less simultaneously, effective protection pipe
Road, extends the service life of pipeline.
As shown in figure 1, described two-flap type pipe joint 20 is the pipe joint 20 being made up of two lobe semi-circular joints, every lobe
The longitudinal section of semi-circular joint is "convex" shaped shape, and described semi-circular joint is the lug boss 21 of middle part outwardly convex, and two
End is the flat part 22 parallel to pipeline setting, and described annular seal space is located between lug boss 21 and flat part 22, and two lobes are semicircle
After joint is connected by securing member, the flat part 22 at semi-circular joint two ends is fitted in the first pipeline 10 and second pipe 50 respectively
Pipeline outer wall, described securing member is fastening bolt, and described flat part 22 is provided with being fastenedly connected of matching with fastening bolt
Hole 23.Two lobe semi-circular joints connect clamping by fastening bolt, and it is easy for installation, connect quick.
As depicted in figs. 1 and 2, described sealing ring 30 is the "convex" shaped sealing ring matching with the annular seal space of "convex" shaped
30.Described sealing ring 30 is rubber seal 30, and the bossing of described sealing ring 30 is provided with oval-shaped cavity 31, described 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 sealing ring 30 inner chamber, and sealing ring 30 is arranged using oval-shaped cavity 31, oval-shaped cavity 31 structure
Symmetrically, each several part uniform wall thickness, does not have 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, described positioning snap ring 40 is that " C " type positions snap ring 40, described positioning snap ring 40 circumferentially side
It is provided with a circle groove 41 to the side contacting with the first pipeline 10 or second pipe 50, described 41 liang of sides of groove are for being engaged
The blade 42 of embedded pipeline outer wall.The madial wall of described blade 42 is obliquely installed from inside to outside, described blade 42 madial wall and pipe
The angle being formed between pipeline outer wall is acute angle.Described positioning snap ring 40 is that " C " type lacking a section in circumferencial direction positions snap ring
40, can be effectively pressed on pipeline outer wall by pipe joint 20.Described positioning snap ring 41 liang of side inclined edge 42 of 40 upper groove
Setting, so that positioning snap ring 40 is formed circumferentially two row's acute angle blades 42, and blade 42 is in the compression of pipe joint 20
It is engaged embedded pipeline outer wall, blade 42 madial wall and pipeline outer wall form an inclined at acute angles angle, the determining of this kind of structure under power
Position snap ring 40 designs, and will not be engaged that embedded pipeline outer wall is too deep, just can produce enough axial forces, realize the axle of pipeline and joint
To positioning, meanwhile, both sides are equipped with the positioning snap ring 40 of two row's blade 42 structure 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, effective service life extending pipeline to pipeline outer wall.
The above, only presently preferred embodiments of the present invention, not the present invention is made with any pro forma restriction；All
The those of ordinary skill of the industry all can shown in by specification accompanying drawing and the above and swimmingly implement the present invention；But, all
Those skilled in the art in the range of without departing from technical solution of the present invention, available disclosed above technology contents and
The a little change made, the equivalent variations modified and develop, are the Equivalent embodiments of the present invention；Meanwhile, all foundation present invention
Substantial technological above example is made the change of any equivalent variations, modify with develop etc., all still fall within the present invention's
Within the protection domain of technical scheme.
Claims (7)
1. Dual-sealing pipe connecting structure, including external diameter identical first pipeline and second pipe, described first pipeline and
Two pipelines connected by pipe joint it is characterised in that：Described pipe joint is two-flap type pipe joint, described pipe joint
Middle part inner hollow, and outwardly convex setting, the inner side of bossing is the annular seal space of "convex" shaped, is provided with described annular seal space
For realizing the sealing ring of double sealing, described sealing ring is provided with the medium flow field port with pipeline communication, described pipe joint
Both sides be fitted in the pipeline outer wall of the first pipeline and second pipe, the both sides of described pipe joint and the one of tube contacts respectively
Face is respectively equipped with locating slot, is provided with the positioning snap ring for snap-in location pipeline in described locating slot.
2. Dual-sealing pipe connecting structure according to claim 1 it is characterised in that：Described two-flap type pipe joint is
The pipe joint being made up of two lobe semi-circular joints, two lobe semi-circular joints be fitted in after being connected by securing member 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：The vertical of every lobe semi-circular joint cuts
Face is "convex" shaped shape, and described semi-circular joint is the lug boss of middle part outwardly convex, and two ends are parallel to pipeline setting
Flat part, described annular seal space be located between lug boss and flat part, after two lobe semi-circular joints are connected by securing member, semicircle
The flat part at shape joint two ends is fitted in the pipeline outer wall of the first pipeline and second pipe respectively.
4. the Dual-sealing pipe connecting structure according to claims 1 to 3 any one claim it is characterised in that：Institute
Stating sealing ring is the "convex" shaped sealing ring matching with the annular seal space of "convex" shaped.
5. Dual-sealing pipe connecting structure according to claim 4 it is characterised in that：The boss of described sealing ring
It is provided with oval-shaped cavity, described 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, described positioning snap ring along the circumferential direction contact with the first pipeline or second pipe one
Side is provided with a circle groove, and described groove two side 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 madial wall of described blade is by interior
Outward-dipping setting, the angle being formed between described blade madial wall and pipeline outer wall is acute angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904129.4A CN106439302A (en) | 2016-10-18 | 2016-10-18 | Double-seal type pipeline connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904129.4A CN106439302A (en) | 2016-10-18 | 2016-10-18 | Double-seal type pipeline connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439302A true CN106439302A (en) | 2017-02-22 |
Family
ID=58176961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610904129.4A Pending CN106439302A (en) | 2016-10-18 | 2016-10-18 | Double-seal type pipeline connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439302A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704757A (en) * | 2017-02-23 | 2017-05-24 | 江苏丰禾机械制造股份有限公司 | Independent seal compensator special for corridor system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5812782U (en) * | 1981-07-17 | 1983-01-26 | 日本ヴイクトリツク株式会社 | Fittings for pressure fluctuation pipes |
| JP2005090605A (en) * | 2003-09-16 | 2005-04-07 | Riken Corp | Piping connector |
| CN201462254U (en) * | 2009-09-08 | 2010-05-12 | 新兴铸管股份有限公司 | Agnail type steel-plastic compound pressure pipe fitting |
| CN201672188U (en) * | 2010-05-10 | 2010-12-15 | 王莘 | Plastic lining steel pipe for groove connection |
| WO2013155703A1 (en) * | 2012-04-20 | 2013-10-24 | Ge Wenyu | Articulated joint type middle-high pressure pipeline connecting piece |
| CN206112321U (en) * | 2016-10-18 | 2017-04-19 | 刘之华 | Double containment formula pipeline connecting structure |
-
2016
- 2016-10-18 CN CN201610904129.4A patent/CN106439302A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5812782U (en) * | 1981-07-17 | 1983-01-26 | 日本ヴイクトリツク株式会社 | Fittings for pressure fluctuation pipes |
| JP2005090605A (en) * | 2003-09-16 | 2005-04-07 | Riken Corp | Piping connector |
| CN201462254U (en) * | 2009-09-08 | 2010-05-12 | 新兴铸管股份有限公司 | Agnail type steel-plastic compound pressure pipe fitting |
| CN201672188U (en) * | 2010-05-10 | 2010-12-15 | 王莘 | Plastic lining steel pipe for groove connection |
| WO2013155703A1 (en) * | 2012-04-20 | 2013-10-24 | Ge Wenyu | Articulated joint type middle-high pressure pipeline connecting piece |
| CN206112321U (en) * | 2016-10-18 | 2017-04-19 | 刘之华 | Double containment formula pipeline connecting structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704757A (en) * | 2017-02-23 | 2017-05-24 | 江苏丰禾机械制造股份有限公司 | Independent seal compensator special for corridor system |
| CN106704757B (en) * | 2017-02-23 | 2019-04-30 | 江苏丰禾机械制造股份有限公司 | A kind of independent sealed compensator of piping lane system-specific |
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Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |