CN108131516A - Pipe jointer gasket - Google Patents
Pipe jointer gasket Download PDFInfo
- Publication number
- CN108131516A CN108131516A CN201810115489.5A CN201810115489A CN108131516A CN 108131516 A CN108131516 A CN 108131516A CN 201810115489 A CN201810115489 A CN 201810115489A CN 108131516 A CN108131516 A CN 108131516A
- Authority
- CN
- China
- Prior art keywords
- sealing
- glue
- gasket
- inner loop
- hole
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 158
- 239000003292 glue Substances 0.000 claims abstract description 125
- 238000002347 injection Methods 0.000 claims abstract description 28
- 239000007924 injection Substances 0.000 claims abstract description 28
- 238000003860 storage Methods 0.000 claims description 27
- 239000005060 rubber Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000000565 sealant Substances 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 21
- 238000010168 coupling process Methods 0.000 description 21
- 238000005859 coupling reaction Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 11
- 238000012856 packing Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- 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
- F16L21/065—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
-
- 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
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/10—Adhesive or cemented joints
- F16L13/11—Adhesive or cemented joints using materials which fill the space between parts of a joint before hardening
-
- 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
- F16L23/00—Flanged joints
- F16L23/006—Attachments
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/165—Flanged joints characterised by the sealing means comprising a viscous mass, e.g. hardenable
-
- 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
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
- F16L23/22—Flanged joints characterised by the sealing means the sealing means being rings made exclusively of a material other than metal
-
- 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
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/175—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by using materials which fill a space around the pipe before hardening
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of pipe jointer gaskets, and including ontology and sealing ring, former and later two end faces of the ontology are both provided with cricoid seal groove, and the sealing ring is arranged in the seal groove；Cricoid secondary seal slot is provided with along on the outside of the radial seal groove, the secondary seal slot of both sides is interconnected；Circumferentially ecto-entad is provided with several hole for injecting glue to ontology cylindrical face, and the hole for injecting glue is communicated with secondary seal slot, and the outer end of hole for injecting glue is provided with glue injection machine interface.Pass through the reserved backup seal chamber of setting and injecting glue interface；After sealing element leaks, fluid sealant from injecting glue interface is injected, full of the backup seal chamber, realizes the secondary seal to pipe jointer.By secondary seal, system shutdown caused by avoiding indivedual seal leakages overhauls, and not only reduces the cost for replacing system sealing part, saves the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Description
Technical field
The present invention relates to pressure pipeline apparatus field, specially a kind of pipe jointer gasket.
Background technology
One pipe-line system usually contains tens of or even hundreds of pipe jointers, and any one pipe jointer seals
Failure leaks, which is exactly impaired operation.If flowed in pipeline be toxic, harmful fluids or it is inflammable,
Explosive fluid, any one pipe jointer seal failure can all force entire pipe-line system parking maintenance, otherwise be easy to draw
Send out major accident.
Pipe jointer at present, such as flange, card orchid, all using gasket or seal ring structure.Common gasket,
Such as：Wave tooth pad, wound gasket, asbestos pad, rubber pad etc. or even also soft metal are padded, such as red copper pad；Common sealing ring,
Such as：Convex lens ring, octagonal ring, self-sealing ring etc..Above-mentioned sealing structure be be concerned with how preferably to seal or extend it is close
The service life of sealing；But then good sealing element also have service life.It is once whole because a seal leakage leads to parking maintenance
The pressure of a system must be laid down, and therefore, the sealing element of whole system can receive different damages, it has to all change,
Cause huge waste.Parking maintenance is not only delayed the production cycle, but also causes a large amount of wastes of logistics, the processing of correlative
It is also no small expense.How to reduce influence of indivedual seal leakages to production system is that those skilled in the art are faced
Key subjects.
Invention content
It is easy to use the object of the present invention is to provide a kind of structure novel uniqueness, and indivedual sealing elements can be reduced and let out
Leak the pipe jointer gasket influenced on whole system；Specific technical solution is：
Pipe jointer gasket, including ontology and sealing ring, former and later two end faces of the ontology are both provided with the sealing ring
Mounting groove；Cricoid sealing leakage glue storage tank is provided on the outside of radially described mounting groove, the sealing leakage glue of both sides houses
Through-hole is provided between slot, is interconnected；Circumferentially ecto-entad is provided with several hole for injecting glue, the injecting glue to ontology cylindrical face
Hole is communicated with sealing leakage glue storage tank, and the outer end of hole for injecting glue is provided with glue injection machine interface.
Further, the sealing pair for preventing sealing leakage glue outside pipe or to pipe internal leakage is provided in the sealing leakage glue storage tank
Ring.
Further, radially ecto-entad is followed successively by glue injection part, connecting portion and sealing to the ontology；The hole for injecting glue is set
It puts in the glue injection part, the sealing leakage glue storage tank is arranged on the connecting portion, and the mounting groove is arranged on the sealing
In portion；Three parts are provided separately, and are connected together or are wholely set or adjacent two parts are wholely set.
Further, the sealing inner loop is arranged on the outside and inside of the sealing leakage glue storage tank radially；Outside it is close
The outer end face for sealing inner loop along central axis direction is outer conical surface, and the outer end face of sealing inner loop along the central axis direction of inside is inner circle
The angular range at the base angle of the conical surface, the internal conical surface and the outer conical surface is 6 ° ± 1 °.
Further, the sealing inner loop is provided only on the outside of the sealing leakage glue storage tank radially, and sealing inner loop is in
The outer end face in mandrel direction is outer conical surface, and the angular range at the base angle of the outer conical surface is 14 ° ± 2 °.
Further, it is provided with shut-off valve on the glue injection machine interface.
Further, the material identical or close of the material of the sealing inner loop and sealing leakage glue.
Further, the material of the sealing inner loop is one kind in polytetrafluoroethylene (PTFE), rubber, graphite.
Further, the bottom of the mounting groove is provided with concentric annular seal groove.
Inventive pipeline connector gasket passes through the reserved secondary seal chamber of setting and injecting glue interface；It is let out in sealing element
After leakage, fluid sealant from injecting glue interface is injected, full of the secondary seal chamber, realizes the secondary seal to pipe jointer.It is logical
Secondary seal is crossed, system shutdown caused by avoiding indivedual seal leakages overhauls, and not only reduces and replaces system sealing part
Cost, moreover, saving the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Description of the drawings
Fig. 1 is the blue mode pipe jointer structure diagram of card；
Fig. 2 is gasket structure schematic diagram；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is flange method pipe jointer structure diagram；
Fig. 5 is the structure diagram for the gasket for installing sealing inner loop additional；
Fig. 6 is single-side sealing inner loop structure diagram；
Fig. 7 is the partial enlarged view of Fig. 6；
Fig. 8 is the another form of partial enlarged views of Fig. 6；
Fig. 9 is the structure diagram of the only gasket with external seal inner loop；
Figure 10 is the structure diagram of external seal inner loop；
Figure 11 is the partial enlarged view of Figure 10；
Figure 12 is the structure diagram of the gasket with inside and outside sealing inner loop；
Figure 13 is the structure diagram that Figure 12 China and foreign countries seal inner loop；
Figure 14 is the structure diagram of interior sealing inner loop in Figure 12；
Figure 15 is the partial enlarged view of Figure 14；
Figure 16 is the partial structural diagram of 2 gasket of embodiment.
In figure：1st, connecting portion；2nd, glue injection part；3rd, sealing ring；4th, ring slot；5th, connecting hole；6th, single-side sealing pair
Ring；7th, it is single to seal outer inner loop；8th, conduit coupling；9th, cutting ferrule；10th, bolt；11st, nut；12nd, the outer inner loop of single-side sealing；13rd, it is single
Inner loop in side seal.
Specific embodiment
The present invention is more fully illustrated below with embodiment.The present invention can be presented as a variety of different forms,
It is not construed as being confined to the exemplary embodiment described here.
For ease of explanation, spatially relative terms such as " on ", " under " " left side " " right sides " can be used herein, for saying
The elements or features shown in bright figure relative to another elements or features relationship.It should be understood that in addition in figure
Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.If for example, in figure
Device is squeezed, be stated as being located at other elements or feature " under " element will be located into other elements or feature " on ".Cause
This, exemplary term " under " both upper and lower orientation can be included.Device can be positioned otherwise（It is rotated by 90 ° or is located at
Other orientation）, can correspondingly be explained used herein of the opposite explanation in space.
Embodiment 1
As shown in Figure 1, the blue mode pipe jointer of card by symmetrical conduit coupling 8, is connected together by cutting ferrule 9,
Screwing bolts 10 or nut 11 so that the distance of two cutting ferrules 9 furthers, and two conduit couplings 8 are squeezed and mutually leaned on by cutting ferrule 9
Closely, the pipe jointer gasket between conduit coupling 8 is clamped；Play the role of sealing.Pipe jointer is close
Packing can be with as shown in figure 4, in the pipe jointer of flange connection.Conduit coupling 8 carries ring flange, passes through
Screwing bolts 10 or nut 11 so that the distance of two conduit couplings 8 furthers, by the pipe between conduit coupling 8
Road connector gasket clamps；Play the role of sealing.
As shown in Figure 2 and Figure 3, pipe jointer gasket includes sealing 3 two-part structure of pad body and sealing ring.Sealing
Pad body is the ring-type radially extended；Two end faces are provided with annular seal groove close to inside, and sealing ring 3 is connected to seal groove
Interior, the cross section of sealing ring 3 is rectangular.Annular seal groove and sealing ring 3 cooperatively form the sealing of ontology.Seal pad body
Inner wall formed channel, medium is allow to be passed through from pipe jointer gasket, and medium is prevented to flow out.Sealing ring 3 is through pipe
The end face crimp of pipe connecting 8 forms sealing surface；Medium is prevented to pass through the gap between gasket and conduit coupling 8
Outflow.In the outside of annular seal groove, two end faces for sealing pad body are both provided with cricoid sealing leakage glue storage tank, both sides
Connecting hole 5 is provided between sealing leakage glue storage tank, is interconnected；Connecting hole 5 be through-hole, at least one；Preferably it is multiple circumferentially
It is uniformly distributed.It seals and is circumferentially inwardly provided with several hole for injecting glue, hole for injecting glue and sealing leakage glue storage tank phase on the cylindrical face of pad body
Logical, the outer end of hole for injecting glue is provided with glue injection machine interface；For installing rubber injecting valve.Several hole for injecting glue can be evenly distributed；Note
Glue hole is preferably identical in circumferential position with connecting hole 5.
Pad body is sealed in Fig. 2 and is divided into sealing, connecting portion 1 and glue injection part 2 from inside to outside；Sealing leakage glue storage tank is arranged on
On connecting portion 1；Connecting portion 1 is referred to as secondary seal portion；If the lower edge of sealing leakage glue storage tank is opened in the upper of sealing
The lower edge of sealing leakage glue storage tank, then can be regarded as a part for sealing by side with lower part.Glue injection machine interface and hole for injecting glue are set
Part is known as glue injection part 2；Connecting portion 1 refers to that sealing leakage glue houses the part between trench bottom；When being separately set, connection sealing is played
With the effect of glue injection part 2.
As shown in Figures 5 to 7, it can also be set in sealing leakage glue storage tank and prevent sealing leakage glue outside pipe or to pipe internal leakage
Sealing inner loop.1 single-side sealing inner loop 6 of spiral-lock is distinguished in the sealing leakage glue storage tank on both sides.6 section of single-side sealing inner loop is
" C " shape, relatively thin along portion, bottom is thicker.The sealing leakage glue for injecting sealing leakage glue storage tank squeezes single-side sealing inner loop 6, makes single-side sealing
The sealing surface of inner loop 6 is in close contact respectively with the side of sealing leakage glue storage tank and the end face of conduit coupling 8, forms sealing, is prevented
Only sealing leakage glue is leaked out along muscle portion and the gap of the end face of conduit coupling 8；Or along the close of sealing and conduit coupling 8
The gap of cover enters inside pipeline.
It can be with as shown in figure 8, opening up several through-holes in the bottom of single-side sealing inner loop 6.If in conduit coupling 8
End face and single-side sealing inner loop 6 bottom between have small foreign matter, will be in the end face of conduit coupling 8 and single-side sealing pair
Small gap is generated between the bottom of ring 6, causes to leak.In this case, sealing leakage glue can pass through above-mentioned through-hole during leak stopping
Into small gap, small foreign matter is clung, small foreign matter movement is avoided to destroy the sealing of single-side sealing inner loop 6；Simultaneously
New composition surface is formed in the bottom of single-side sealing inner loop 6, is sealed.Through-hole diameter is less than 2mm, between through-hole away from
From the hole diameter no more than 6 times.
As shown in Figures 9 to 11, since the sealing performance of sealing and conduit coupling 8 is preferable, it is not easy to leak；Also may be used
With single outer inner loop 7 of sealing that the gap for preventing sealing leakage glue along muscle portion and the end face of conduit coupling 8 is only set to leak out.Injection
The sealing leakage glue of sealing leakage glue storage tank squeezes single outer inner loop 7 of sealing, and single sealing surface for sealing outer inner loop 7 is made to be housed respectively with sealing leakage glue
The side of slot and the end face of conduit coupling 8 are in close contact, and form sealing, prevent sealing leakage glue along muscle portion and conduit coupling 8
The gap of end face leaks out.At this moment, if had between the end face of conduit coupling 8 and single bottom for sealing outer inner loop 7 micro-
Small foreign matter will generate small gap between the end face of conduit coupling 8 and single bottom for sealing outer inner loop 7, cause to let out
Leakage.In this case, sealing leakage glue can enter small gap by lower edge during leak stopping, and small foreign matter is clung, is avoided small
Foreign matter movement destroys single sealing for sealing outer inner loop 7；New composition surface also is formed in the bottom for singly sealing outer inner loop 7 simultaneously, into
Row sealing.
Angle between single base and side for sealing outer inner loop 7 should be greater than or equal to 90 °, and it is preferably provided as 96 ° ± 1 °.
Single outer end face for sealing outer inner loop 7 along central axis direction is circular conical surface, and the angular range at the base angle of circular conical surface is 6 ° ± 1 °.
Can also two sealing inner loops be set respectively, and single-side sealing is outside in inner loop 12 and single-side sealing as shown in figs. 12-15
Inner loop 13；The gap in sealing leakage glue storage tank between edge and outer and the end face of conduit coupling 8 is sealed respectively.It is unilateral
The internal diameter of the outer inner loop 12 of sealing should be not less than the outer diameter of inner loop 13 in single-side sealing.In single-side sealing outer inner loop 12 and single-side sealing
Similar " angle steel " shape in 13 cross section of inner loop, the angle between base and side should be greater than or equal to 90 °；It is preferably provided as 104 °
±2°.The outer end face of inner loop 13 along central axis direction is circular conical surface in the outer inner loop 12 of single-side sealing and single-side sealing, circular conical surface
Base angle angular range be 14 ° ± 2 °.
Embodiment 2
Glue injection part 2, connecting portion 1 and sealing in embodiment 1 are to be wholely set；Listed in the present embodiment several glue injection parts 2,
The example that connecting portion 1 and sealing are provided separately；Those skilled in the art can also be changed and combine.Pipe jointer is close
Packing is divided into 2 three sealing, connecting portion 1 and glue injection part rings, and three rings connect together successively；Connecting portion 1 makes the note of outer ring
The distance between sealing of glue portion 2 and inner ring remains fixed；The thickness of the ring of connecting portion 1 is less than sealing and glue injection part 2
The thickness of ring forms cavity, as the sealing leakage glue storage tank for accommodating sealing leakage glue in the both sides of connecting portion 1.Acceptable such as Figure 16 will
Connecting portion 1 therein is made one with sealing or glue injection part 2 and connecting portion 1 is made one.
Embodiment 3
The present embodiment lists other forms, and such as high pressure self-locking type flange is improved, and increases leak stopping ring, and leak stopping ring is
T-shaped ring or I-shaped type ring, set section is equipped with hole for injecting glue described in side.In use, form certain sky between leak stopping ring and set section
Chamber, the position of corresponding cavity is equipped with hole for injecting glue, when leaking, is directly formed between leak stopping ring and set section by hole for injecting glue
Certain cavity carries out injecting glue processing, forms ring packing cushion rubber, plays the role of leak stopping, highly practical, and can be timely
Solve leakage crisis；Leak stopping ring is equipped with several through-holes, can achieve the effect that both sides sealing by the hole for injecting glue injecting glue of side.
At least provided with a hole for injecting glue on leak stopping ring, hole for injecting glue connect by two blue gaps of card with rubber injecting valve or
Person is equipped with through-hole on card orchid, is connected with hole for injecting glue, and connect with rubber injecting valve.The leak stopping ring can be I-shaped ring.It is described
Rubber injecting valve is connected through a screw thread with hole for injecting glue, and the blue upper corresponding position of card is equipped with injecting glue notch, and rubber injecting valve is arranged on injecting glue and lacks
In mouthful, the rubber injecting valve is equipped with adjusting nut, and the adjusting nut is perpendicular to the valve body of rubber injecting valve.When there is leakage situation
When, glue injection equipment is connect by pipeline with rubber injecting valve, and opens adjusting nut, by the inside injecting glue of hole for injecting glue, directly passes through hole for injecting glue
Certain cavity is formed between leak stopping ring and set section and carries out injecting glue processing, forms ring packing cushion rubber, is filled by injecting glue agent close
Envelope, injecting glue agent is in annular space.
Or the T-shaped root in the set section inside corresponds to the position in the T-shaped area of T-shaped sealing ring equipped with chamfering, the chamfering correspondence
The T-shaped root in set section outside is equipped with hole for injecting glue, and the hole for injecting glue saves T-shaped root in set and connected from outside to inside with chamfering, and the card is blue
Upper corresponding position is equipped with injecting glue notch, and the hole for injecting glue is connected with rubber injecting valve by internal thread, and rubber injecting valve is arranged on injecting glue notch
Interior, the rubber injecting valve is equipped with adjusting nut, and the adjusting nut is perpendicular to rubber injecting valve.When there is leakage situation, injecting glue is set
It is standby to be connect by pipeline with rubber injecting valve, and open adjusting nut, by the inside injecting glue of hole for injecting glue, formed between chamfering and T-shaped sealing ring
Annular space, filled and seal by injecting glue agent, injecting glue agent will not increase the pressure-bearing pressure of flange in annular space.
Can shut-off valve be set on glue injection machine interface in embodiment 1, embodiment 2 and embodiment 3；Improve leak stopping operation
Speed.When needing to stop injecting glue, shut-off valve is closed, glue injection machine can disconnect, and the pressure of sealing leakage glue is kept using shut-off valve.It is close
Packing ontology is made of metal.
Seal the material of inner loop preferably with sealing leakage glue material identical or close, such as polytetrafluoroethylene (PTFE), rubber, graphite or
Person is other to be used for sealing material.
What secondary sealing function was realized in：After once sealing failure leaks, sealed medium will pass through pipe
Gap is escaped into except pipe jointer between 8 end face of pipe connecting and pipe jointer gasket muscle portion side.By glue injection machine
It connect, is formed to pipe jointer gasket and 8 end face of conduit coupling closed with the hole for injecting glue on pipe jointer gasket
Injection sealing leakage glue in toroidal cavity, injection sealing leakage glue pressure should be greater than pipeline interior sealing pressure medium, when sealing leakage glue storage tank quilt
After filling sealing leakage glue, glue injection machine valve is closed, keeps pressure, after sealing leakage glue reaches sealing effect, secondary seal behavior terminates,
Reach secondary seal purpose.
Above-mentioned example is only intended to illustrate the present invention, and in addition to this, also there are many different embodiments, and these are implemented
Mode be all those skilled in the art after comprehension inventive concept it is also envisioned that therefore, will not enumerate herein.
Claims (9)
1. pipe jointer gasket, including ontology and sealing ring, former and later two end faces of the ontology are both provided with the sealing
The mounting groove of ring；It is characterized in that, cricoid sealing leakage glue storage tank is provided on the outside of radially described mounting groove, the institute of both sides
It states and is provided with through-hole between sealing leakage glue storage tank, be interconnected；Circumferentially ecto-entad is provided with several notes to ontology cylindrical face
Glue hole, the hole for injecting glue are communicated with sealing leakage glue storage tank, and the outer end of hole for injecting glue is provided with glue injection machine interface.
2. pipe jointer gasket as described in claim 1, which is characterized in that be provided with resistance in the sealing leakage glue storage tank
Only sealing inner loop of the sealing leakage glue outside pipe or to pipe internal leakage.
3. pipe jointer gasket as described in claim 1, which is characterized in that radially ecto-entad is successively for the ontology
For glue injection part, connecting portion and sealing；The hole for injecting glue is arranged in the glue injection part, and the sealing leakage glue storage tank is arranged on institute
It states on connecting portion, the mounting groove is arranged on the sealing；Three parts are provided separately, and are connected together or are wholely set
Or adjacent two parts are wholely set.
4. pipe jointer gasket as claimed in claim 2, which is characterized in that the sealing inner loop is arranged on the leak stopping
The outside and inside of glue storage tank radially；The sealing inner loop in outside along the outer end face of central axis direction for outer conical surface, inside
Sealing inner loop along the outer end face of central axis direction for internal conical surface, the angle at the base angle of the internal conical surface and the outer conical surface
Ranging from 6 ° ± 1 ° of degree.
5. pipe jointer gasket as claimed in claim 2, which is characterized in that the sealing inner loop is provided only on described stifled
The outside of leak adhesive storage tank radially, the outer end face of sealing inner loop along central axis direction is outer conical surface, the outer conical surface
The angular range at base angle is 14 ° ± 2 °.
6. pipe jointer gasket as described in claim 1, which is characterized in that be provided with cut-off on the glue injection machine interface
Valve.
7. pipe jointer gasket as claimed in claim 2, which is characterized in that the material and sealing leakage glue of the sealing inner loop
Material identical or close.
8. pipe jointer gasket as claimed in claim 8, which is characterized in that the material of the sealing inner loop is polytetrafluoro
One kind in ethylene, rubber, graphite.
9. pipe jointer gasket as described in claim 1, which is characterized in that the bottom of the mounting groove is provided with one heart
Annular seal groove.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810115497.XA Withdrawn CN108150746A (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
| CN201820201422.9U Active CN207961827U (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
| CN201810115489.5A Active CN108131516B (en) | 2017-08-25 | 2018-02-06 | Sealing gasket for pipeline connector |
| CN201810115488.0A Active CN108386629B (en) | 2017-08-25 | 2018-02-06 | Method for secondary sealing of pipeline connector |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810115497.XA Withdrawn CN108150746A (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
| CN201820201422.9U Active CN207961827U (en) | 2017-08-25 | 2018-02-06 | Pipe jointer sealing ring |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810115488.0A Active CN108386629B (en) | 2017-08-25 | 2018-02-06 | Method for secondary sealing of pipeline connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278797A (en) * | 2021-12-31 | 2022-04-05 | 河南黄埔建筑安装有限公司 | Heating and ventilation pipeline butt joint device based on BIM technology and butt joint method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150746A (en) * | 2017-08-25 | 2018-06-12 | 天津斯林力克密封科技有限公司 | Pipe jointer sealing ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278797A (en) * | 2021-12-31 | 2022-04-05 | 河南黄埔建筑安装有限公司 | Heating and ventilation pipeline butt joint device based on BIM technology and butt joint method thereof |
| CN114278797B (en) * | 2021-12-31 | 2024-04-05 | 河南黄埔建筑安装有限公司 | BIM technology-based heating and ventilation pipeline docking device and docking method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150746A (en) | 2018-06-12 |
| CN108131516B (en) | 2024-05-17 |
| CN207961827U (en) | 2018-10-12 |
| CN108386629A (en) | 2018-08-10 |
| CN108386629B (en) | 2020-03-24 |
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