CN208311721U - Pipe jointer gasket - Google Patents
Pipe jointer gasket Download PDFInfo
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- CN208311721U CN208311721U CN201820201003.5U CN201820201003U CN208311721U CN 208311721 U CN208311721 U CN 208311721U CN 201820201003 U CN201820201003 U CN 201820201003U CN 208311721 U CN208311721 U CN 208311721U
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Abstract
The utility model discloses a kind of pipe jointer gasket, including ontology and sealing ring, former and later two end faces of the ontology are provided with cricoid seal groove, and the sealing ring is arranged in the seal groove；Cricoid secondary seal slot is provided on the outside of the radial seal groove, the secondary seal slot of two 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.By the way that reserved backup seal chamber and injecting glue interface is arranged；After sealing element leaks, sealant is injected from injecting glue interface, the backup seal chamber is full of, realizes the secondary seal to pipe jointer.By secondary seal, the maintenance of system shutdown caused by individual seal leakages is avoided, the cost of replacement system sealing part is not only reduced, saves the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Description
Technical field
The utility model relates to pressure pipeline apparatus field, specially a kind of pipe jointer gasket.
Background technique
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 use gasket or seal ring structure.Common gasket,
Such as: wave tooth pad, wound gasket, asbestos pad, rubber pad, or even there are also soft metals to pad, such as red copper pad；Common sealing ring,
Such as: convex lens ring, octagonal ring, self-sealing ring.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.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 will 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 individual seal leakages to production system is that those skilled in the art are faced
Key subjects.
Utility model content
It is unique that the purpose of the utility model is to provide a kind of structure novels, easy to use, and can reduce individual sealings
Part leaks the pipe jointer gasket influenced on whole system；The specific technical proposal is:
Pipe jointer gasket, including ontology and sealing ring, former and later two end faces of the ontology are provided with described close
The mounting groove of seal ring；Cricoid sealing leakage glue accommodation groove, the sealing leakage glue of two sides are provided on the outside of the radially described mounting groove
It is provided with through-hole between accommodation groove, is interconnected；Circumferentially ecto-entad is provided with several hole for injecting glue to ontology cylindrical face, described
Hole for injecting glue is communicated with sealing leakage glue accommodation groove, 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 to outside pipe or to pipe internal leakage is provided in the sealing leakage glue accommodation groove
Ring.
Further, radially ecto-entad is followed successively by glue injection part, interconnecting piece and sealing to the ontology；The hole for injecting glue is set
It sets in the glue injection part, the sealing leakage glue accommodation groove is arranged on the interconnecting piece, and the mounting groove is arranged in 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 outside and inside of the sealing leakage glue accommodation groove radially is arranged in the sealing inner loop；Outside it is close
It is outer conical surface that inner loop, which is sealed, along the outer end face of central axis direction, and the sealing inner loop of inside is inner circle along the outer end face of central axis direction
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 accommodation groove 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, shut-off valve is provided on the glue injection machine interface.
Further, the material of the sealing inner loop is same or similar with the material of sealing leakage glue.
Further, the material of the sealing inner loop is one of polytetrafluoroethylene (PTFE), rubber, graphite.
Further, the bottom of the mounting groove is provided with concentric annular seal groove.
The utility model pipe jointer gasket is by being arranged reserved secondary seal chamber and injecting glue interface；It is sent out in sealing element
After raw leakage, sealant is injected from injecting glue interface, the secondary seal chamber is full of, realizes to the secondary close of pipe jointer
Envelope.By secondary seal, the maintenance of system shutdown caused by individual seal leakages is avoided, replacement system sealing is not only reduced
The cost of part, moreover, saving the high cost that additional system shutdown maintenance generates；With very high economic benefit.
Detailed description of the invention
Fig. 1 is to block blue mode pipe jointer structural schematic diagram；
Fig. 2 is gasket structure schematic diagram；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is flange method pipe jointer structural schematic diagram；
Fig. 5 is the structural schematic diagram for installing the gasket of sealing inner loop additional；
Fig. 6 is single-side sealing inner loop structural schematic diagram；
Fig. 7 is the partial enlarged view of Fig. 6；
Fig. 8 is the another form of partial enlarged view of Fig. 6；
Fig. 9 is the structural schematic diagram of the only gasket with external seal inner loop；
Figure 10 is the structural schematic diagram of external seal inner loop；
Figure 11 is the partial enlarged view of Figure 10；
Figure 12 is the structural schematic diagram of the gasket with inside and outside sealing inner loop；
Figure 13 is the structural schematic diagram that the China and foreign countries Figure 12 seal inner loop；
Figure 14 is the structural schematic 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: 1, interconnecting piece；2, glue injection part；3, sealing ring；4, ring slot；5, connecting hole；6, single-side sealing pair
Ring；7, single to seal outer inner loop；8, conduit coupling；9, cutting ferrule；10, bolt；11, nut；12, the outer inner loop of single-side sealing；13, single
Inner loop in side seal.
Specific embodiment
The utility model is made a more thorough explanation below with embodiment.The utility model can be presented as it is a variety of not
Same form, should not be construed as limited to the exemplary embodiments described herein.
The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying
Relationship of the elements or features relative to another elements or features shown in bright figure.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.For example, if in figure
Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause
This, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or is located at
Other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.
Embodiment 1
As shown in Figure 1, blocking blue mode pipe jointer by symmetrical conduit coupling 8, one is connected to by cutting ferrule 9
It rises, screwing bolts 10 or nut 11, so that the distance of two cutting ferrules 9 furthers, two conduit couplings 8 are squeezed and phase by cutting ferrule 9
It is mutually close, the pipe jointer gasket being mounted between conduit coupling 8 is clamped；Play the role of sealing.Pipeline connection
Device gasket can be as shown in figure 4, in the pipe jointer of flange connection.Conduit coupling 8 has ring flange,
By screwing bolts 10 or nut 11, so that the distance of two conduit couplings 8 furthers, will be mounted between conduit coupling 8
Pipe jointer gasket clamp；Play the role of sealing.
As shown in Figure 2 and Figure 3, pipe jointer gasket includes sealing pad body and 3 two-part structure of 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, pass through medium from pipe jointer gasket, and medium is prevented to flow out.Sealing ring 3 is through pipe
The end face of pipe connecting 8 is squeezed and deformed, and 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 provided with cricoid sealing leakage glue accommodation groove, two sides
It is provided with connecting hole 5 between sealing leakage glue accommodation groove, is interconnected；Connecting hole 5 is 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 accommodation groove 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 as connecting hole 5.
Pad body is sealed in Fig. 2 is divided into sealing, interconnecting piece 1 and glue injection part 2 from inside to outside；The setting of sealing leakage glue accommodation groove exists
On interconnecting piece 1；Interconnecting piece 1 is referred to as secondary seal portion；If the lower edge of sealing leakage glue accommodation groove is provided with the upper of sealing
Side, then will partially can be regarded as a part of sealing below the lower edge of sealing leakage glue accommodation groove.Glue injection machine interface and hole for injecting glue are set
Part is known as glue injection part 2；Interconnecting piece 1 refers to the part between sealing leakage glue accommodating trench bottom；When split settings, connection sealing is played
With the effect of glue injection part 2.
As shown in Figures 5 to 7, it can also be arranged in sealing leakage glue accommodation groove and prevent sealing leakage glue to 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 accommodation groove 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 accommodation groove squeezes single-side sealing inner loop 6, makes single-side sealing
The sealing surface of inner loop 6 is in close contact with the side of sealing leakage glue accommodation groove and the end face of conduit coupling 8 respectively, 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 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 conduit coupling 8 end face 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 when leak stopping
Into small gap, small foreign matter is clung, avoids the mobile sealing for destroying single-side sealing inner loop 6 of small foreign matter；Simultaneously
New joint 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 for being not 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；It can also
The single outer inner loop 7 of sealing for preventing sealing leakage glue from leaking out along the gap of muscle portion Yu the end face of conduit coupling 8 is only arranged.Injection
The sealing leakage glue of sealing leakage glue accommodation groove squeezes single outer inner loop 7 of sealing, accommodates single sealing surface for sealing outer inner loop 7 with sealing leakage glue respectively
The side of slot and the end face of conduit coupling 8 are in close contact, and are formed sealing, are prevented 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 and single bottom for sealing outer inner loop 7 of conduit coupling 8 micro-
Small foreign matter will generate small gap between the end face and single bottom for sealing outer inner loop 7 of conduit coupling 8, cause to let out
Leakage.In this case, sealing leakage glue can enter small gap by lower edge when leak stopping, and small foreign matter is clung, is avoided small
Foreign matter is mobile to destroy single sealing for sealing outer inner loop 7；New joint surface also is formed in the bottom for singly sealing outer inner loop 7 simultaneously, into
Row sealing.
Angle between single bottom edge and side for sealing outer inner loop 7 should be greater than or be equal to 90 °, and it is preferably provided as 96 ° ± 1 °.
Single outer inner loop 7 of sealing is circular conical surface along the outer end face of central axis direction, and the angular range at the base angle of circular conical surface is 6 ° ± 1 °.
Two sealing inner loops can also be respectively set, outside single-side sealing in inner loop 12 and single-side sealing as shown in figs. 12-15
Inner loop 13；The gap in sealing leakage glue accommodation groove between edge and outer and the end face of conduit coupling 8 is sealed respectively.It is unilateral
The internal diameter for sealing outer inner loop 12 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 bottom edge and side should be greater than or are equal to 90 °；It is preferably provided as 104 °
±2°.Inner loop 13 is circular conical surface, circular conical surface along the outer end face of central axis direction in the outer inner loop 12 of single-side sealing and single-side sealing
Base angle angular range be 14 ° ± 2 °.
Embodiment 2
Glue injection part 2, interconnecting piece 1 and sealing in embodiment 1 are to be wholely set；Several injecting glues are listed in the present embodiment
The example that portion 2, interconnecting piece 1 and sealing are provided separately；Those skilled in the art can also be changed and combine.Pipeline connection
Device gasket is divided into 2 three sealing, interconnecting piece 1 and glue injection part rings, and three rings successively connect together；Interconnecting piece 1 makes outer ring
Glue injection part 2 and the distance between the sealing of inner ring be kept fixed；The thickness of the ring of interconnecting piece 1 is less than sealing and glue injection part
The thickness of 2 ring forms cavity in the two sides of interconnecting piece 1, as the sealing leakage glue accommodation groove for accommodating sealing leakage glue.It can also be such as Figure 16
One is made with sealing in interconnecting piece 1 therein or one is made in glue injection part 2 and interconnecting piece 1.
Embodiment 3
The present embodiment lists other forms, is such as improved high pressure self-locking type flange, and leak stopping ring, leak stopping are increased
Ring is T-type ring or I-shaped type ring, and set section described in side is equipped with hole for injecting glue.In use, being formed between leak stopping ring and set section certain
Cavity, the position of corresponding cavity is equipped with hole for injecting glue, when leaking, directly leak stopping ring and covering is saved by hole for injecting glue between
It forms certain cavity and carries out injecting glue processing, form ring packing cushion rubber, play the role of leak stopping, it is practical, and can be with
Leakage crisis is solved in time；Leak stopping ring is equipped with several through-holes, can reach the effect of both sides sealing by the hole for injecting glue injecting glue of side
Fruit.
At least provided with a hole for injecting glue on leak stopping ring, hole for injecting glue is connect by two blue gaps of card with rubber injecting valve, or
Person is equipped with through-hole on card orchid, is connected to 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 the card is equipped with injecting glue notch, and rubber injecting valve setting is lacked in injecting glue
In mouthful, the rubber injecting valve is equipped with adjusting nut, valve body of the adjusting nut perpendicular to 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
Injecting glue processing is carried out to certain cavity is formed between leak stopping ring and set section, forms ring packing cushion rubber, is filled by injecting glue agent close
Envelope, injecting glue agent is in annular space.
Or the position that T-type root corresponds to T-type sealing ring T-type area on the inside of the set section is equipped with chamfering, the chamfering is corresponding
Set section outside T-type root is equipped with hole for injecting glue, and the hole for injecting glue is connected to chamfering from outside to inside in set section T-type root, 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 screw thread, and rubber injecting valve is arranged in 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 adjusting nut is opened, by the inside injecting glue of hole for injecting glue, formed between chamfering and T-type sealing ring
Annular space, filled and seal by injecting glue agent, injecting glue agent not will increase the pressure-bearing pressure of flange in annular space.
Shut-off valve can 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 inner loop material it is preferably same or similar with leak stopping glue material, such as polytetrafluoroethylene (PTFE), rubber, graphite or
Person is other to be used for sealing material.
Secondary sealing function is achieved in that sealed medium will pass through pipe after once sealing failure leaks
Gap escapes 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
Sealing leakage glue is injected in toroidal cavity, injection sealing leakage glue pressure should be greater than sealed medium pressure in pipeline, when sealing leakage glue accommodation groove 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 utility model, and in addition to this, also there are many different embodiments, and these
Embodiment be all those skilled in the art after comprehension the utility model thought it is also envisioned that therefore, no longer arrange one by one herein
It lifts.
Claims (9)
1. pipe jointer gasket, including ontology and sealing ring, former and later two end faces of the ontology are provided with the sealing
The mounting groove of ring；It is characterized in that, cricoid sealing leakage glue accommodation groove is provided on the outside of the radially described mounting groove, the institute of two sides
It states and is provided with through-hole between sealing leakage glue accommodation groove, 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 accommodation groove, 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 accommodation groove
Only sealing inner loop of the sealing leakage glue to 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, interconnecting piece and sealing；The hole for injecting glue is arranged in the glue injection part, and the sealing leakage glue accommodation groove is arranged in institute
It states on interconnecting piece, 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 in the leak stopping
The outside and inside of glue accommodation groove radially；The sealing inner loop in outside is outer conical surface, inside along the outer end face of central axis direction
Sealing inner loop along the outer end face of central axis direction be internal conical surface, the angle at the base angle of the internal conical surface and the outer conical surface
Spending range is 6 ° ± 1 °.
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 accommodation groove radially, sealing inner loop are outer conical surface along the outer end face of central axis direction, 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 it is same or similar.
8. pipe jointer gasket as claimed in claim 7, which is characterized in that the material of the sealing inner loop is polytetrafluoro
One of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820201003.5U CN208311721U (en) | 2018-02-06 | 2018-02-06 | Pipe jointer gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820201003.5U CN208311721U (en) | 2018-02-06 | 2018-02-06 | Pipe jointer gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208311721U true CN208311721U (en) | 2019-01-01 |
Family
ID=64731938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820201003.5U Active CN208311721U (en) | 2018-02-06 | 2018-02-06 | Pipe jointer gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208311721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131516A (en) * | 2017-08-25 | 2018-06-08 | 天津斯林力克密封科技有限公司 | Pipe jointer gasket |
-
2018
- 2018-02-06 CN CN201820201003.5U patent/CN208311721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131516A (en) * | 2017-08-25 | 2018-06-08 | 天津斯林力克密封科技有限公司 | Pipe jointer gasket |
| CN108131516B (en) * | 2017-08-25 | 2024-05-17 | 天津斯林力克密封科技有限公司 | Sealing gasket for pipeline connector |
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