CN206257396U - Positive pressure type pipeline sealing device - Google Patents
Positive pressure type pipeline sealing device Download PDFInfo
- Publication number
- CN206257396U CN206257396U CN201621333002.3U CN201621333002U CN206257396U CN 206257396 U CN206257396 U CN 206257396U CN 201621333002 U CN201621333002 U CN 201621333002U CN 206257396 U CN206257396 U CN 206257396U
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- sealing
- sealing ring
- positive pressure
- pressure type
- ring
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Abstract
The utility model provides a kind of positive pressure type pipeline sealing device, including：Cylinder, the outer wall of cylinder is peripherally disposed two groups of sealing rings, every group of sealing ring includes at least two sealing rings, each sealing ring is annular, the lower edge of sealing ring is connected with cylinder outer wall, along hanging on sealing ring, the circular radius that lower edge is surrounded into has radian less than the circular radius that upper edge surrounds into, the joint face between upper edge and lower edge；The opening direction of the joint face between the upper edge of two groups of sealing rings and lower edge is opposite；Two adjacent sealing ring interval settings in every group of at least two sealing rings of sealing ring, contacted with the inwall of positive pressure type pipeline by the upper edge of each sealing ring, the inwall of adjacent two sealing rings, the outer wall of cylinder and positive pressure type pipeline forms closed air chamber, so as to improve positive pressure type seal for pipe joints effect.Solve in the prior art, when malleation is in pipeline, the problem of the seal for pipe joints effect on driving birds is not good of " O " type sealing ring.
Description
Technical field
The utility model is related to seal for pipe joints technical field, more particularly to a kind of positive pressure type pipeline sealing device.
Background technology
Current pipeline application is relatively broad, and for the seal for pipe joints technology of pipeline junction, to become pipe safety defeated
In important topic in sending, particularly pipeline when conveying high-pressure, poisonous and harmful medium, seal for pipe joints poor quality will cause sternly
The consequence of weight.
Be used for seal for pipe joints in the prior art is usually " O " type sealing ring, and it relies on pipeline both sides ring flange stress to rise
To sealing effectiveness." O " type sealing ring is used for seal for pipe joints, close " O " type between ring flange and ring flange especially by bolt
Seal is fastened, and is the connection between two kinds of solids of " O " type sealing ring and ring flange, belongs to " solid-solid " phase primary seal.
In the prior art, when malleation is in pipeline, the seal for pipe joints effect on driving birds is not good of " O " type sealing ring.
Utility model content
The utility model provides a kind of positive pressure type pipeline sealing device, and for solving in the prior art, seal for pipe joints effect is not
Good problem.
A kind of positive pressure type pipeline sealing device that the utility model is provided, including：Cylinder, the outer wall edge of above-mentioned cylinder
Circumferencial direction is provided with two groups of sealing rings, and every group of sealing ring includes at least two sealing rings, and each sealing ring is annular, above-mentioned close
The lower edge of seal is connected with above-mentioned cylinder outer wall, and along hanging on above-mentioned sealing ring, it is circular that above-mentioned lower edge is surrounded into
Radius has radian less than the circular radius that above-mentioned upper edge surrounds into, the joint face between above-mentioned upper edge and above-mentioned lower edge；On
Stating the upper edge of sealing ring is used to be contacted with the inwall of above-mentioned positive pressure type pipeline, seals above-mentioned positive pressure type pipeline；Every group of sealing ring
Two sealing ring interval settings adjacent at least two sealing rings, above-mentioned two adjacent sealing rings are outer with above-mentioned cylinder
The inwall of wall and above-mentioned positive pressure type pipeline forms the air chamber of closing；Joint face between the upper edge of above-mentioned two groups of sealing rings and lower edge
Opening direction it is opposite.
The outer wall of above-mentioned cylinder is along the circumferential direction additionally provided with connection member, and above-mentioned two groups of sealing rings are symmetricly set on
State the both sides of connection member；Be provided with through hole in above-mentioned connection member, for by bolt by above-mentioned sealing ring and above-mentioned malleation
Type pipeline is fixed.
Above-mentioned positive pressure type pipeline sealing device also includes：It is circumferentially disposed in the two of the outer wall of above-mentioned positive pressure type pipeline
Individual ring flange, above-mentioned two ring flange is arranged on the both sides of above-mentioned connection member, corresponding on above-mentioned two ring flange to be provided with
At least two pairs through holes, each pair through hole is corresponding with the through hole of above-mentioned connection member, and bolt is equipped with above-mentioned through hole.
2 sealing rings are included in above-mentioned every group of sealing ring.
Above-mentioned sealing ring is quality of rubber materials.
At least two sealing rings interval predeterminable range of above-mentioned every group of sealing ring is uniformly arranged.
The positive pressure type pipeline sealing device that the utility model is provided, including：Cylinder, the outer wall of cylinder is along the circumferential direction
Be provided with two groups of sealing rings, every group of sealing ring includes at least two sealing rings, each sealing ring is annular, the lower edge of sealing ring with
Cylinder outer wall is connected, and along hanging on sealing ring, the circular radius that lower edge is surrounded into is less than the circle that upper edge surrounds into
Radius, the joint face between upper edge and lower edge has radian；Joint face between the upper edge of two groups of sealing rings and lower edge is opened
Mouth is in opposite direction；Two adjacent sealing ring interval settings in every group of at least two sealing rings of sealing ring, are sealed by each
The upper edge of circle contacts with the inwall of positive pressure type pipeline, adjacent two sealing rings, the outer wall of cylinder and positive pressure type pipeline
Inwall forms closed air chamber, so that, improve positive pressure type seal for pipe joints effect.Solve in the prior art, when in pipeline in just
During pressure, the problem of the seal for pipe joints effect on driving birds is not good of " O " type sealing ring.
Brief description of the drawings
Figure 1A is the front view of the utility model positive pressure type pipeline sealing device embodiment one；
Figure 1B is the top view of the utility model positive pressure type pipeline sealing device embodiment one；
Fig. 2A is the structural representation of the sealing ring 2 of the utility model positive pressure type pipeline sealing device embodiment one；
Fig. 2 B are profiles of the Fig. 2A on C-C directions；
Fig. 3 is the structural representation of the utility model positive pressure type pipeline sealing device embodiment one；
Fig. 4 A are the front view of the utility model positive pressure type pipeline sealing device embodiment two；
Fig. 4 B are the top view of the utility model positive pressure type pipeline sealing device embodiment two；
Fig. 5 is the "O"-ring 7 of the positive pressure type pipeline sealing device of the utility model positive pressure type pipeline sealing device embodiment two
Structural representation；
Fig. 6 is the structural representation of the utility model positive pressure type pipeline sealing device embodiment two.
Description of reference numerals：
1：Cylinder； 2：Sealing ring；
3：Positive pressure type pipeline； 4：Positive pressure type pipeline internal medium pressure；
5：First air chamber； 6：Steel ring；
7：The "O"-ring of positive pressure type pipeline sealing device； 8：Through hole；
9：Second air chamber； 10：Ring flange；
11：Bolt； 21：The lower edge of sealing ring；
22：The upper edge of sealing ring； 23：Joint face；
110：First sealing ring group； 120：Second sealing ring group.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing, " second ", " the 3rd "
And/or the (if present) such as " the 4th " is for distinguishing similar object, without for describing specific order or successively time
Sequence.It should be appreciated that the data for so using can be exchanged in the appropriate case, so as to implementation of the present utility model described herein
Example, for example, can be implemented with the order in addition to those for illustrating herein or describing.Additionally, term " comprising " and " having "
And their any deformation, it is intended that covering is non-exclusive to be included, for example, containing the mistake of series of steps or unit
Journey, method, system, product or equipment are not necessarily limited to those steps clearly listed or unit, but may include unclear
List or for these processes, method, product or other intrinsic steps of equipment or unit.
The utility model includes at least two sealings by setting two groups of sealing rings, every group of sealing ring on cylinder outer wall
Circle, each sealing ring is annular, two adjacent sealing ring interval settings in every group of at least two sealing rings of sealing ring, its
In, the interior edge of each sealing ring is connected with cylinder outer wall.The outer of each sealing ring is fitted by with inner-walls of duct, is made adjacent
Sealing ring, cylinder outer wall and inner-walls of duct composition ring-type sealed air chamber.In fluids within pipes medium normal pressure
Under effect, multiple adjacent sealing rings form multiple annular seal air chambers, so that, sealing device is to positive pressure type in the utility model
Pipeline plays multi-stage sealed effect.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and may be repeated no more in some embodiments for same or analogous concept or process.
Embodiment one
Figure 1A is the front view of the utility model positive pressure type pipeline sealing device embodiment one；Figure 1B be the utility model just
The top view of die mould pipeline sealing device embodiment one.With reference to Figure 1A and Figure 1B, the utility model positive pressure type pipeline sealing device
Including：Cylinder 1, cylinder 1 be hollow structure, and cylinder 1 two ends without bottom surface, for positive pressure type pipeline internal medium
Flow through.
The outer wall of cylinder 1 is peripherally disposed two groups of sealing rings, in such as Figure 1A, respectively the first sealing ring group
110 and the second sealing ring group 120, every group of sealing ring includes at least two sealing rings 2,3 is included with every group of sealing ring in Figure 1A
Sealing ring is to exemplify, wherein, the number of the sealing ring included in two groups of sealing rings can be the same or different, close in every group
The number of seal can be set according to practical application scene, in this regard, the utility model is not limited.
Wherein, the shape of each sealing ring 2 such as Fig. 2A and Fig. 2 B.Fig. 2A is the utility model positive pressure type pipeline sealing device
The structural representation of sealing ring 2, Fig. 2 B are profiles of the Fig. 2A on C-C directions.As shown in Figure 2 A, sealing ring 2 is annular, close
Seal it is lower along 21 and sealing ring on be circle along 22, sealing ring it is lower along the 21 circular radiuses for being surrounded into less than close
The circular radius surrounded into along 22 in seal, as shown in Figure 2 B, sealing ring it is lower along 21 and sealing ring on along 22 it
Between joint face 23 have radian.
Fig. 3 is the structural representation of the utility model positive pressure type pipeline sealing device embodiment one.With reference to Fig. 3, sealing ring 2
Lower edge be connected with the outer wall of cylinder 1, along hanging on sealing ring 2.It is adjacent in every group of at least two sealing rings of sealing ring
Two interval settings of sealing ring 2.The opening direction of the joint face between the upper edge of two groups of sealing rings and lower edge is opposite.Work as positive pressure type
When pipeline sealing device is used for the sealing of pipeline 3, the upper edge of sealing ring 2 can contact with the inwall of positive pressure type pipeline 3, so that, make phase
The inwall of adjacent two sealing rings 2, the outer wall of cylinder 1 and positive pressure type pipeline forms the first air chamber 5 of closing.In pipeline
In the presence of medium normal pressure 4, sealing ring 2 is fitted with inner-walls of duct, prevents pipeline internal medium from entering by sealing ring and pipe
First air chamber 5 of road inwall composition, the first air chamber 5 of closing plays a part of to align die mould pipeline and is sealed.
Alternatively, two sealing ring spacing distances adjacent in every group of at least two sealing rings 2 of sealing ring can basis
Actual sealing demand is set, it is also possible to which the interval of at least two sealing ring 2 predeterminable range of every group of sealing ring is uniformly arranged, in this regard,
The utility model is not restricted.
Optionally, the material of cylinder 1 can be elastomeric material, can be used to be sleeved on and (do not drawn in figure) with steel pipe
On, it is also possible to steel ring 6 is set on the inwall of cylinder 1, to increase sealing device intensity, it is to avoid in positive pressure type pipeline internal medium pressure
It is deformed in the presence of power 4, influences sealing effectiveness.Wherein, the specific number of steel ring 6 is not limited, and sets according to the actual requirements
Put different numbers.
Optionally, the material of sealing ring 2 is elastic material, can select to be rubber.
Optionally, the thickness of the lower edge of sealing ring 2 is unrestricted, and distance is unrestricted between the upper edge of sealing ring 2 and lower edge,
Can be according to practical application needs (for example：The pressure of positive pressure type pipeline internal medium or the diameter of positive pressure type pipeline etc.) it is configured.
In the present embodiment, positive pressure type pipeline sealing device includes two groups of sealing rings, and at least two sealing rings are included in every group,
Two adjacent sealing ring interval settings in every group of at least two sealing rings of sealing ring.When for sealing positive pressure type pipeline,
Adjacent seals circle can form ring-like gas chamber with cylinder outer wall and inner-walls of duct, play sealing function.So as to sealing dress
Putting the multiple ring-shaped air chambers formed with inner-walls of duct can align die mould pipeline and play multi-stage sealed effect.
Embodiment two
Fig. 4 A are the front view of the utility model positive pressure type pipeline sealing device embodiment two；Fig. 4 B be the utility model just
The top view of die mould pipeline sealing device embodiment two.Embodiment two is on the basis of embodiment one, further, with reference to figure
4A and Fig. 4 B, the utility model positive pressure type pipeline sealing device also includes：The "O"-ring 7 of positive pressure type pipeline sealing device, malleation
The "O"-ring 7 of type pipeline sealing device is the circular ring structure on axial direction with thickness, and specific thickness value can be according to practical application
Scape is set, in this regard, the utility model is not limited.
The inner ring of the "O"-ring 7 of positive pressure type pipeline sealing device is connected with the outer wall of cylinder 1, is connected to the outer wall of cylinder 1
On the first sealing ring group 110 and the second sealing ring group 120 be symmetricly set on the "O"-ring 7 of positive pressure type pipeline sealing device
Both sides, as shown in the front view in Fig. 4 A, "O"-ring 7 of the sealing device on positive pressure type pipeline sealing device is symmetrical.
Wherein, shape such as Fig. 5 of the "O"-ring 7 of positive pressure type pipeline sealing device.Fig. 5 is the utility model positive pressure type pipe
The structural representation of the "O"-ring 7 of the positive pressure type pipeline sealing device of road sealing device embodiment two.With reference to Fig. 4 B and Fig. 5, malleation
Through hole 8 is provided with the "O"-ring 7 of type pipeline sealing device, for sealing device to be fixed with positive pressure type pipeline 3.
Fig. 6 is the structural representation of the utility model positive pressure type pipeline sealing device embodiment two.With reference to Fig. 6, optionally,
Positive pressure type pipeline sealing device also includes：Ring flange 10, is disposed with the bolt hole of correspondence through hole 8, for installing on ring flange 10
Bolt 11, is fixed with to sealing device.
When sealing device between two positive pressure type pipelines 3 for being attached and sealing, positive pressure type pipeline sealing device
The outer ring of "O"-ring 7 is arranged between two positive pressure type pipelines, and through hole 8 is along the circumferential direction being higher by outside positive pressure type pipeline 3
Wall.Two ring flanges 10 are set in the outer wall of positive pressure type pipeline 3 and are arranged on the two of the "O"-ring 7 of positive pressure type pipeline sealing device
Side.By two upper bolt holes of ring flange 10 arrangement corresponding with the through hole 8 of the "O"-ring 7 of positive pressure type pipeline sealing device, and by spiral shell
Bolt 11 wears wherein.By the positive pressure type pipeline sealing device between 11 pairs of two ring flanges 10 of bolt and two ring flanges 10
"O"-ring 7 is attached and fastens, so as to two positive pressure type pipelines are played with connection and sealing function.
Optionally, with reference to shown in Fig. 6, the "O"-ring 7 of positive pressure type pipeline sealing device and the first sealing ring group of its both sides
110 and second sealing ring group 120 be respectively separated setting.It is the "O"-ring 7 of positive pressure type pipeline sealing device, adjacent thereto close
Seal 2 and inner-walls of duct form the second air chamber 9.Such as the first air chamber 5, the second air chamber 9 is ring packing air chamber, plays sealing and makees
With.Wherein, the "O"-ring 7 of positive pressure type pipeline sealing device and two spacing distances of sealing ring 2 adjacent thereto can be according to reality
Application scenarios are set, in this regard, the utility model is not limited.
Optionally, the "O"-ring 7 of positive pressure type pipeline sealing device is connected by bolt 11 with ring flange 10, can be played
Align the sealing function of die mould pipeline 3.When the air chamber 9 of all of first air chamber 5 and second is in damaged condition, positive pressure type pipeline
The "O"-ring 7 of sealing device can play the sealing function of afterbody.
In the present embodiment, the "O"-ring inner ring of positive pressure type pipeline sealing device is connected with cylinder outer wall, and outer wall is circumferentially
Direction is arranged between two positive pressure type pipelines 3, and through hole is along the circumferential direction being higher by positive pressure type pipeline outer wall.Two ring flanges
It is set in positive pressure type pipeline outer wall and is arranged on the both sides of the "O"-ring of positive pressure type pipeline sealing device, by bolt by malleation
The ring flange connection of the "O"-ring and both sides of type pipeline sealing device.The "O"-ring of positive pressure type pipeline sealing device is in the company of playing
While connecing two positive pressure type pipelines, play a part of fixing seal device.Sealing ring and pipe that can also be adjacent with both sides
Road inwall forms sealed air chamber, further aligns die mould pipeline and is sealed.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (6)
1. a kind of positive pressure type pipeline sealing device, it is characterised in that including：
Cylinder, the outer wall of the cylinder is peripherally disposed two groups of sealing rings, and every group of sealing ring includes at least two
Sealing ring, each sealing ring is annular, and the lower edge of the sealing ring is connected with the cylinder outer wall, the upper edge of the sealing ring
Vacantly, the circular radius that the lower edge is surrounded into is less than the circular radius that the upper edge surrounds into, the upper edge and institute
The joint face stated between lower edge has radian；The upper edge of the sealing ring is used to be contacted with the inwall of the positive pressure type pipeline, close
Seal the positive pressure type pipeline；
Two adjacent sealing ring interval settings in every group of at least two sealing rings of sealing ring, two adjacent sealing rings
With the air chamber that the outer wall of the cylinder and the inwall of the positive pressure type pipeline form closing；
The opening direction of the joint face between the upper edge of two groups of sealing rings and lower edge is opposite.
2. sealing device according to claim 1, it is characterised in that the outer wall of the cylinder along the circumferential direction also sets up
There is connection member, two groups of sealing rings are symmetricly set on the both sides of the connection member；
Through hole is provided with the connection member, for the sealing ring being fixed with the positive pressure type pipeline by bolt.
3. sealing device according to claim 2, it is characterised in that also include：
Two ring flanges of the outer wall of the positive pressure type pipeline are circumferentially disposed in, described two ring flanges are arranged on described
The both sides of connection member, it is corresponding on described two ring flanges to be provided with least two pairs through holes, each pair through hole and the connecting portion
The through hole correspondence of part, bolt is equipped with the through hole.
4. the device according to claim any one of 1-3, it is characterised in that comprising 2 sealings in every group of sealing ring
Circle.
5. device according to claim 4, it is characterised in that the sealing ring is quality of rubber materials.
6. device according to claim 4, it is characterised in that at least two sealing rings interval of every group of sealing ring is pre-
If distance is uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333002.3U CN206257396U (en) | 2016-12-07 | 2016-12-07 | Positive pressure type pipeline sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333002.3U CN206257396U (en) | 2016-12-07 | 2016-12-07 | Positive pressure type pipeline sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257396U true CN206257396U (en) | 2017-06-16 |
Family
ID=59028648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621333002.3U Withdrawn - After Issue CN206257396U (en) | 2016-12-07 | 2016-12-07 | Positive pressure type pipeline sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499892A (en) * | 2016-12-07 | 2017-03-15 | 平安煤炭开采工程技术研究院有限责任公司 | Positive pressure type pipeline sealing device |
-
2016
- 2016-12-07 CN CN201621333002.3U patent/CN206257396U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499892A (en) * | 2016-12-07 | 2017-03-15 | 平安煤炭开采工程技术研究院有限责任公司 | Positive pressure type pipeline sealing device |
| CN106499892B (en) * | 2016-12-07 | 2018-11-02 | 平安煤炭开采工程技术研究院有限责任公司 | Positive pressure type pipeline sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170616 Effective date of abandoning: 20181102 |
|
| AV01 | Patent right actively abandoned |