CN109373059B - Air bag type pipeline sealing piece - Google Patents
Air bag type pipeline sealing piece Download PDFInfo
- Publication number
- CN109373059B CN109373059B CN201811501746.5A CN201811501746A CN109373059B CN 109373059 B CN109373059 B CN 109373059B CN 201811501746 A CN201811501746 A CN 201811501746A CN 109373059 B CN109373059 B CN 109373059B
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- Prior art keywords
- sealing
- sealing flange
- underground
- sleeve part
- sleeve
- Prior art date
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- 238000007789 sealing Methods 0.000 title claims abstract description 174
- 238000005485 electric heating Methods 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 230000004927 fusion Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/10—Sealing by using sealing rings or sleeves only
-
- 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
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
- F16L5/022—Sealing by welding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to an air bag type pipeline sealing element, which comprises a sealing sleeve, a sealing flange and an air bag, wherein the sealing flange is fixedly connected to an opening of an underground container, and penetrates through the inside of the underground container from the outer side of the underground container, an underground pipeline penetrates through the inside of the sealing flange, a containing groove is arranged between the underground pipeline and the sealing flange, the air bag is arranged in the containing groove and is sealed and sleeved on the underground pipeline, the sealing flanges positioned in the inner side and the outer side of the underground container are respectively sleeved with the sealing sleeve, and the sealing sleeve is used for sealing a gap between the sealing flange and the underground pipeline. The invention has compact structure, good flexibility and greatly improved sealing performance.
Description
Technical Field
The invention relates to a pipeline sealing element, in particular to an air bag type pipeline sealing element.
Background
Some oil delivery pipelines in gas stations pass through the connecting holes of the closed container to be connected with equipment inside the container, and in order to prevent groundwater from entering the closed container to erode parts such as metal joints inside the closed container, pipeline sealing elements are currently used for sealing the connecting holes of the closed container. The existing sealing element mainly comprises a first sealing sleeve and a second sealing sleeve, wherein the first sealing sleeve is provided with a stud, and when in sealing, the stud passes through the wall of the closed container and then passes through the second sealing sleeve, so that a plurality of through holes are additionally formed in the wall of the closed container for the stud to pass through, and the possibility of leakage of underground water is increased.
Disclosure of Invention
In order to overcome the defects, the invention provides the air bag type pipeline sealing element, wherein the sealing flange and the air bag are added in the sealing element, so that the sealing performance of the sealing element is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides an gasbag formula pipeline sealing member, includes sealing sleeve, sealing flange and gasbag, sealing flange fixed connection is in the trompil department of underground container, and wears to establish to the inboard of underground container from the outside of underground container, and the inside of sealing flange is worn to locate to the underground pipeline, is equipped with the holding tank between underground pipeline and sealing flange, the gasbag is arranged in this holding tank and is sealed the cover and locate the underground pipeline, and a sealing sleeve is established respectively to the cover on the sealing flange that is located the underground container, outside, and this sealing sleeve is used for shutoff sealing flange and underground pipeline between the gap.
Preferably, the sealing flange is of a hollow cylindrical structure, and a circle of protrusions extending outwards in the radial direction are arranged on the peripheral side wall of the sealing flange and fixedly connected with the underground container when the sealing flange is installed.
Preferably, when the sealing flange is installed, the protrusion and the underground container are mutually attached, and an electric heating wire is arranged between the protrusion and the underground container, and the sealing flange and the underground container are in fusion sealing by conducting electricity through the electric heating wire.
Preferably, one end of the sealing flange is provided with a mounting groove, and the other end of the sealing flange extends inwards along the radial direction to form a baffle plate.
Preferably, a retainer ring is arranged between the two ends of the air bag and the sealing flange, and a plurality of parallel sealing waterlines are arranged on the inner circumferential wall and the outer circumferential wall of the air bag.
Preferably, the retaining ring of gasbag one end is supported and is leaned on the baffle, and the gasbag other end is equipped with the valve core and is used for inflating the gasbag, the valve core passes the through-hole on the retaining ring, and still is equipped with the snap ring between retaining ring and the sealing flange of this end and is used for location and support valve core, the snap ring is fixed in sealing flange's mounting groove.
Preferably, the sealing sleeve comprises a first sleeve part, a connecting part and a second sleeve part, wherein the first sleeve part and the second sleeve part are of hollow cylinder structures, the diameter of the first sleeve part is smaller than that of the second sleeve part, one end of the connecting part is connected with the first sleeve part, the other end of the connecting part is connected with the second sleeve part, the first sleeve part is sleeved on an underground pipeline, and the second sleeve part is sleeved on a sealing flange.
Preferably, the inner sides of the first sleeve part and the second sleeve part are provided with a plurality of parallel sealing waterlines, the outer sides of the first sleeve part and the second sleeve part are sleeved with stainless steel hoops, and the first sleeve part and the second sleeve part are respectively sealed on the underground pipeline and the sealing flange through the hoops.
Preferably, two circles of parallel limiting bosses are respectively arranged on the outer walls of the first sleeve part and the second sleeve part, and a laryngeal cuff is just placed between the two limiting bosses.
Preferably, the sealing sleeve is an integrally formed rubber piece, and the sealing flange is an integrally formed polyethylene piece.
The beneficial effects of the invention are as follows: the sealing element comprises a sealing flange, an air bag and two sealing sleeves sleeved at two ends of the sealing flange, wherein the sealing flange is welded and sealed around an opening of an underground container, namely the sealing flange and the underground container are welded into a whole, so that no leakage can be generated, an underground pipeline outside the underground container passes through the sealing flange and enters the container, the air bag is arranged between the underground pipeline and the sealing flange, the sealing sleeves are sleeved on the sealing flanges at the inner side and the outer side of the underground container, and meanwhile, the sealing sleeves are sleeved on the underground pipeline, so that the sealing between the underground pipeline and the sealing flange is sealed through the two sealing sleeves and the air bag, the sealing effect is good, the underground water is prevented from penetrating into the underground container, and the oil possibly leaked from the container is prevented from penetrating into the soil outside the container to pollute the environment. Therefore, the invention has compact structure, good flexibility and greatly improved sealing performance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a seal sleeve according to the present invention;
FIG. 4 is a schematic view of a sealing flange according to the present invention;
FIG. 5 is a schematic view of the structure of the air bag according to the present invention;
FIG. 6 is a schematic view of the structure of the present invention in use;
FIG. 7 is an enlarged view of FIG. 6 at A;
in the figure: 10-sealing sleeve, 11-first sleeve part, 12-second sleeve part, 13-connecting part, 14-limit boss, 15-sealing waterline, 20-sealing flange, 21-accommodating groove, 22-bulge, 30-gasbag, 31-valve core, 40-throat hoop, 50-retainer ring, 60-retainer ring, 70-underground container, 80-underground pipeline and 100-sealing piece.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-7, an air bag type pipeline sealing member comprises a sealing sleeve 10, a sealing flange 20 and an air bag 30, wherein the sealing flange 20 is fixedly connected to an opening of an underground container 70, and penetrates through the underground container from the outer side of the underground container to the inner side of the underground container, an underground pipeline 80 penetrates through the inside of the sealing flange 20, a containing groove 21 is arranged between the underground pipeline 80 and the sealing flange, the air bag 30 is arranged in the containing groove 21 and is sealed and sleeved on the underground pipeline 80, the sealing flanges 20 positioned in and outside the underground container are respectively sleeved with a sealing sleeve 10, the sealing sleeve 10 is used for sealing a gap between the sealing flange and the underground pipeline 80, the sealing sleeve 10 is an integrally formed rubber piece, and the sealing flange 20 is an integrally formed polyethylene piece. The sealing member 100 comprises a sealing flange 20, an air bag 30 and two sealing sleeves 10 sleeved at two ends of the sealing flange, wherein the sealing flange is welded and sealed around an opening of an underground container 70, and the two parts are welded together, so that no leakage can occur at the opening, an underground pipeline 80 outside the underground container enters the container through the sealing flange 20, the air bag 30 is arranged between the underground pipeline and the sealing flange, the sealing sleeves 10 are sleeved on the sealing flanges at the inner side and the outer side of the underground container, and meanwhile, the sealing sleeves are sleeved on the underground pipeline, so that the sealing between the underground pipeline and the sealing flange is sealed through the two sealing sleeves and the air bag.
As shown in fig. 1 and 4, the sealing flange 20 has a hollow cylindrical structure, and a ring of radially outwardly extending protrusions 22 are provided on the peripheral side wall of the sealing flange, and when installed, the protrusions are fixedly connected with the underground container, specifically: when the sealing flange is installed, the protrusion 22 is attached to the underground container, and an electric heating wire is arranged between the protrusion and the underground container, so that the sealing flange and the underground container are welded and sealed by conducting electricity through the electric heating wire. When in fusion welding, concentric vortex-shaped heating wires are arranged on the protrusions 22, then the sealing flange is pressed at the opening of the underground container, and the concentric vortex-shaped heating wires and the sealing flange are fused into a whole by electrifying; by providing the protrusions 22 on the outer periphery of the sealing flange, the contact area between the sealing flange and the underground container is increased, and the bonding strength and sealing performance between the sealing flange and the underground container are improved.
As shown in fig. 2 and 3, the sealing sleeve 10 includes a first sleeve portion 11, a connecting portion 13, and a second sleeve portion 12, where the first sleeve portion 11 and the second sleeve portion 12 are hollow cylindrical structures, and the diameter of the first sleeve portion is smaller than that of the second sleeve portion, one end of the connecting portion 13 is connected to the first sleeve portion, the other end is connected to the second sleeve portion, the first sleeve portion 11 is sleeved on the underground pipe 80, and the second sleeve portion 12 is sleeved on the sealing flange 20. The inner sides of the first sleeve part 11 and the second sleeve part 12 are provided with a plurality of parallel sealing waterlines 15, the outer sides of the sealing waterlines are sleeved with stainless steel hoops 40, and the first sleeve part and the second sleeve part are respectively sealed on an underground pipeline and a sealing flange through the hoops. Two circles of parallel limiting bosses 14 are respectively arranged on the outer walls of the first sleeve part 11 and the second sleeve part 12, and a laryngeal cuff 40 is just placed between the two limiting bosses 14. Thus, the throat hoop can be accurately installed, and the sealing waterline 15 is arranged on the inner side wall of the sealing sleeve between the two limiting bosses, so that the sealing waterline can be ensured to be tightly fixed by the throat hoop to fully exert the sealing effect.
As shown in fig. 4 and 7, one end of the sealing flange 20 is provided with a mounting groove, and the other end extends radially inward to form a baffle. Check rings 50 are arranged between the two ends of the air bag 30 and the sealing flange 20, and a plurality of parallel sealing waterlines are arranged on the inner and outer circumferential walls of the air bag. The retaining ring 50 of gasbag 30 one end is supported on the baffle, and the gasbag 30 other end is equipped with valve core 31 and is used for inflating the gasbag, valve core 31 passes the through-hole on the retaining ring 50, and still is equipped with snap ring 60 between retaining ring and the sealing flange of this end and is used for location and support valve core, snap ring 60 is fixed in sealing flange's mounting groove. One end of the air bag 30 filled with air is abutted against the baffle plate of the sealing flange 20, a check ring 50 is arranged between the baffle plate and the sealing flange to protect the air bag, a valve core 31 is arranged at the other end of the air bag, the valve core 31 is fixed through a check ring 60 inserted into the mounting groove of the sealing flange, and the check ring 50 is arranged between the check ring and the air bag.
The installation process of the invention comprises the following steps: firstly, concentric eddy-type electric heating wires are placed on a bulge 22, then a sealing flange 20 is pressed at an opening of an underground container 70, the sealing flange 20 and the bulge are powered on to be welded into a whole, an air bag 30 is placed in a containing groove 21 of the sealing flange, a retainer ring 50 is placed at a baffle plate of the air bag and the sealing flange, a valve core 31 at the other end of the air bag passes through the retainer ring 50 and the retainer ring 60, the retainer ring is fixed in a mounting groove of the sealing flange, a sealing sleeve 10 is sleeved at two ends of the sealing flange, an underground pipeline 80 is penetrated into the underground container from the outer side of the underground container, namely passes through the air bag, the sealing flange and the sealing sleeve, the air bag is filled with gas so that the air bag is sealed between the underground pipeline and the sealing flange, finally, a throat hoop 40 is sleeved on a first sleeve part and a second sleeve part of the sealing sleeve, the throat hoop is fastened, the first sleeve part is sleeved on the underground pipeline 80 in a sealing sleeve, and the second sleeve part is sleeved on the sealing flange, so that the mounting process of a sealing element 100 is completed.
It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. An air bag type pipe seal, characterized in that: the underground pipeline sealing device comprises a sealing sleeve (10), a sealing flange (20) and an air bag (30), wherein the sealing flange (20) is fixedly connected to an opening of an underground container (70) and penetrates through the inside of the underground container from the outer side of the underground container, an underground pipeline (80) penetrates through the inside of the sealing flange (20), a containing groove (21) is formed between the underground pipeline (80) and the sealing flange, the air bag (30) is arranged in the containing groove (21) and is sealed and sleeved on the underground pipeline (80), the sealing flanges (20) positioned in and outside the underground container are respectively sleeved with the sealing sleeve (10), and the sealing sleeve (10) is used for sealing gaps between the sealing flange and the underground pipeline (80);
the sealing flange (20) is of a hollow cylindrical structure, a circle of protrusions (22) extending outwards in the radial direction are arranged on the peripheral side wall of the sealing flange, and the protrusions are fixedly connected with the underground container during installation; one end of the sealing flange (20) is provided with a mounting groove, and the other end of the sealing flange extends inwards along the radial direction to form a baffle.
2. The bladder type duct seal according to claim 1 wherein: when the sealing flange is installed, the bulge (22) is mutually attached to the underground container, and the electric heating wire is arranged between the bulge and the underground container, so that the sealing flange and the underground container are in fusion sealing through conducting the electric heating wire.
3. The bladder type duct seal according to claim 1 wherein: check rings (50) are arranged between the two ends of the air bag (30) and the sealing flange (20), and a plurality of parallel sealing waterlines are arranged on the inner circumferential wall and the outer circumferential wall of the air bag.
4. A balloon-type duct seal as claimed in claim 3, wherein: the check ring (50) of gasbag (30) one end is supported and is leaned on the baffle, and the gasbag (30) other end is equipped with valve inside (31) and is used for inflating the gasbag, valve inside (31) pass the through-hole on check ring (50), and still are equipped with snap ring (60) between the check ring and the sealing flange of this end and are used for location and support valve inside, snap ring (60) are fixed in sealing flange's mounting groove.
5. The bladder type duct seal according to claim 1 wherein: the sealing sleeve (10) comprises a first sleeve part (11), a connecting part (13) and a second sleeve part (12), wherein the first sleeve part (11) and the second sleeve part (12) are of hollow cylinder structures, the diameter of the first sleeve part is smaller than that of the second sleeve part, one end of the connecting part (13) is connected with the first sleeve part, the other end of the connecting part is connected with the second sleeve part, the first sleeve part (11) is sleeved on an underground pipeline (80), and the second sleeve part (12) is sleeved on a sealing flange (20).
6. The bladder type duct seal according to claim 5 wherein: the inner sides of the first sleeve part (11) and the second sleeve part (12) are provided with a plurality of parallel sealing waterlines (15), the outer sides of the sealing waterlines are sleeved with stainless steel hoops (40), and the first sleeve part and the second sleeve part are respectively sealed on an underground pipeline and a sealing flange through the hoops.
7. The bladder type duct seal according to claim 6 wherein: two circles of parallel limiting bosses (14) are respectively arranged on the outer walls of the first sleeve part (11) and the second sleeve part (12), and a hose clamp (40) is just placed between the two limiting bosses (14).
8. The bladder type duct seal according to claim 1 wherein: the sealing sleeve (10) is an integrally formed rubber piece, and the sealing flange (20) is an integrally formed polyethylene piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501746.5A CN109373059B (en) | 2018-12-10 | 2018-12-10 | Air bag type pipeline sealing piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811501746.5A CN109373059B (en) | 2018-12-10 | 2018-12-10 | Air bag type pipeline sealing piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109373059A CN109373059A (en) | 2019-02-22 |
| CN109373059B true CN109373059B (en) | 2024-02-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811501746.5A Active CN109373059B (en) | 2018-12-10 | 2018-12-10 | Air bag type pipeline sealing piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109373059B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886925B (en) * | 2019-12-09 | 2021-11-16 | 中国舰船研究设计中心 | Low-rigidity elastic cabin-through pipe fitting |
| CN111473172B (en) * | 2020-04-20 | 2021-12-28 | 广西北海北投环保水务有限公司 | Composite splicing pipeline |
| CN111677945A (en) * | 2020-06-01 | 2020-09-18 | 陈金华 | Hydraulic engineering construction pipeline interfacing apparatus with pipeline detection function that breaks |
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| CN2646531Y (en) * | 2003-02-25 | 2004-10-06 | 张洪歧 | Leakage stopping device |
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|---|---|
| CN109373059A (en) | 2019-02-22 |
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