CN110593316A - Well lid with double-sealing structure - Google Patents
Well lid with double-sealing structure Download PDFInfo
- Publication number
- CN110593316A CN110593316A CN201910870727.8A CN201910870727A CN110593316A CN 110593316 A CN110593316 A CN 110593316A CN 201910870727 A CN201910870727 A CN 201910870727A CN 110593316 A CN110593316 A CN 110593316A
- Authority
- CN
- China
- Prior art keywords
- well
- well lid
- sealing
- sealing ring
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 98
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052782 aluminium Inorganic materials 0.000 claims description 22
- 239000004411 aluminium Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 claims description 13
- 230000009977 dual effect Effects 0.000 claims 7
- 230000000694 effects Effects 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000002265 prevention Effects 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 235000014036 Castanea Nutrition 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a well lid with a double-sealing structure, which comprises a well base, a well mouth arranged on the well base, a well lid arranged in an inlet and used for opening and closing the well mouth, a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are used for sealing the well lid; the middle part of the outer side wall of the well cover is provided with a first annular groove, the first sealing ring is embedded in the first annular groove, and the first sealing ring is in interference fit with the inner side of the well seat; the inner end face of the well seat is provided with a second annular groove, the bottom of the second sealing ring is provided with an annular protrusion, the annular protrusion is embedded in the second annular groove, the edge annular groove is formed in the edge of the bottom end of the well cover, and the second sealing ring is in interference fit with the edge annular groove. The invention has good sealing performance and good waterproof and sand-proof performance, can prevent the well lid from swinging and prolongs the service life of the well lid.
Description
Technical Field
The invention relates to a well cover, in particular to a well cover with a double-sealing structure.
Background
Along with the popularization of automobiles, the demand of urban gas stations is increasing continuously, the service life of the built gas stations can reach dozens of years generally, after long-term use, the oil tank or the buried oil pipeline for connecting the oil tank and the oiling machine and the joints of the pipeline, the oil tank and the oiling machine can generate micro leakage, soil and water sources can be polluted, the pollution condition can become serious in the long term, the positions of the manhole of the buried oil tank are provided with oil measuring holes, liquid level meters, oil chestnuts and other equipment, the joints of the oil unloading pipeline and conveying pipeline and the oil tank are the only opening of the whole sealed oil unloading and conveying system. An operating well is required to be arranged in a manhole of a buried oil tank specified in GB50156 design and construction standards of refueling and gas filling stations. The manhole well arranged below the carriageway adopts a special closed well cover and a well seat under the carriageway of the gas station. "
Present well lid in market, its lid and well head are only assembled through the mode that offsets between the two, there is certain fit-up gap between the two, apply to filling station when this kind of well lid, when using operating mode such as gas station, rainwater in the external world, material accessible such as dust enters into inside the manhole well in this fit-up gap, thereby lead to the sealed effect of this kind of well lid not good, easily take place to ooze and leak, unsuitable filling station, use operating mode such as gas station, simultaneously, because this well lid has the reason of fit-up gap, the well lid is used and has been produced the swing easily for a long time, make the well lid produce the damage with higher speed and age with higher speed. Therefore, there is a need in the industry for a manhole cover with a double sealing structure to solve the above problems.
Disclosure of Invention
The invention aims to provide a well lid with a double-sealing structure, which has the advantages of good sealing performance, good waterproof and sand-proof performance, capability of preventing the well lid from swinging and prolonging the service life of the well lid.
In order to achieve the purpose, the invention provides the following technical scheme: a well lid with a double-sealing structure comprises a well base, a well mouth arranged on the well base, a well lid arranged in the well mouth and used for opening and closing the well mouth, a first sealing ring and a second sealing ring, wherein the first sealing ring and the second sealing ring are used for sealing the well lid; the middle part of the outer side wall of the well cover is provided with a first annular groove, the first sealing ring is embedded in the first annular groove, and the first sealing ring is in interference fit with the inner side of the well seat; the inner end face of the well seat is provided with a second annular groove, the bottom of the second sealing ring is provided with an annular protrusion, the annular protrusion is embedded in the second annular groove, the edge annular groove is formed in the edge of the bottom end of the well cover, and the second sealing ring is in interference fit with the edge annular groove.
Preferably, the surface of the first sealing ring contacting with the inner side of the well seat is provided with a plurality of first annular convex strips, and the surface of the second sealing ring contacting with the edge annular groove is provided with a plurality of second annular convex strips.
Preferably, the first sealing ring and the second sealing ring are both internally provided with hollow air cavities.
Preferably, the inner diameter of the upper part of the well seat is gradually reduced from top to bottom.
Preferably, a plurality of round holes have been seted up on the well lid, be equipped with well lid handle subassembly in the round hole, well lid handle subassembly includes well lid handle aluminium cover and closing cap, the top of well lid handle aluminium cover is supported the up end at the well lid, and round hole and closing cap threaded connection are run through to the lower part of well lid handle aluminium cover to the bottom of closing cap is equipped with the spacing ring, the spacing ring supports the locking that realizes well lid handle aluminium cover at the lower terminal surface of well lid.
Preferably, the limiting ring and the lower end face of the well lid are clamped with an aluminum sleeve sealing ring.
Preferably, the upper surface of the well lid is provided with a convex rib around the periphery of the top of the aluminum cover of the well lid handle.
Preferably, the upper surface of well lid is equipped with a plurality of non-slip raised.
The invention has the technical effects and advantages that:
1. the first sealing ring and the second sealing ring which have a sealing effect are arranged between the well cover and the well base, the first sealing ring is arranged in the first annular groove on the outer side wall of the well cover, and the first sealing ring is in interference fit with the inner side of the well base and generates extrusion force when the well cover is closed, so that the fit clearance is greatly reduced, and the effects of preliminary water prevention and sand prevention are achieved. The second sealing ring is arranged on a second annular groove in the inner end face of the well seat, and when the well cover is closed, the second sealing ring is in interference fit with the edge annular groove at the bottom end of the well cover and generates extrusion force, so that the secondary waterproof effect is achieved. The double-sealing structure enables the well lid to have good sealing performance, can enhance the waterproof and sand prevention performance of the well lid, and can prevent the well lid from being damaged by swinging under the stress condition due to the fact that the double-sealing structure is matched very tightly, so that the service life of the well lid is prolonged.
2. The surface of the first sealing ring, which is in contact with the inner side of the well seat, is provided with the plurality of first annular convex strips, the friction force between the first sealing ring and the well seat can be enhanced through the plurality of first annular convex strips, so that the well lid is prevented from shaking due to stress, the stroke loss of water can be increased through the design of the plurality of first annular convex strips, water and sand are more difficult to pass through the first sealing ring, and the waterproof and sand prevention effects are achieved. The second annular raised line on the second sealing ring plays a waterproof role.
3. According to the invention, the hollow air cavities are arranged in the first sealing ring and the second sealing ring, and the design of the hollow air cavities enables the first sealing ring and the second sealing ring to realize higher attaching force under the condition of the same magnitude of interference, so that the sealing effect is better.
4. The inner diameter of the upper part of the well seat is gradually reduced from top to bottom, so that the well seat is better installed in the well cover, the well cover and the well seat are matched more tightly, and the well seat has the characteristic of enhancing the sealing property.
5. The manhole cover handle assemblies are arranged on the manhole cover, so that the manhole cover can be conveniently opened, and manpower and material resources can be greatly reduced.
6. According to the manhole cover handle assembly, the aluminum sleeve sealing ring is arranged between the limiting ring at the bottom of the sealing cover and the lower end face of the manhole cover, so that the sealing performance between the manhole cover handle assembly and the round hole is improved, and water is prevented from permeating into the manhole cover.
7. The upper surface of the well lid is provided with the convex rib surrounding the periphery of the top of the aluminum cover of the handle of the well lid, and the convex rib has the function of protecting the handle assembly and also has a certain function of isolating accumulated water.
8. The upper surface of the well lid is provided with the plurality of anti-skid protrusions, and the anti-skid protrusions can enhance the roughness of the upper surface of the well lid and prevent pedestrians or vehicles on the upper portion of the well lid from skidding.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is an enlarged view of the portion A of FIG. 4;
fig. 6 is an enlarged schematic view of a portion B of fig. 4.
In the figure: 1. a well base; 2. a well cover; 3. anti-skid projections; 4. a well lid handle assembly; 5. a wellhead; 6. a first seal ring; 7. a second seal ring; 8. a rib is protruded; 9. a circular hole; 10. a first annular groove; 11. an edge annular groove; 12. a second annular groove; 13. an annular projection; 14. a first annular rib; 15. a second annular rib; 16. a hollow air cavity; 17. an aluminum cover for a handle of the well cover; 18. sealing the cover; 19. a limiting ring; 20. an aluminum sleeve sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a well lid with a double-sealing structure as shown in the attached figures 1-6, which comprises a well base 1, a well mouth 5 arranged on the well base 1, a well lid 2 arranged in the well mouth 5 and used for opening and closing the well mouth 5, and a first sealing ring 6 and a second sealing ring 7 which are used for sealing the well lid 2, wherein the first sealing ring 6 and the second sealing ring 7 are both made of fluorinated rubber materials; the middle part of the outer side wall of the well lid 2 is provided with a first annular groove 10, the first sealing ring 6 is embedded in the first annular groove 10, the first sealing ring 6 is in interference fit with the inner side of the well base 1, when the well lid 2 is closed, the first sealing ring 6 is in interference fit with the inner side of the well base 1 and generates extrusion force, the fit clearance is greatly reduced, and therefore the effects of preliminary water prevention and sand prevention are achieved; second annular groove 12 has been seted up to the interior terminal surface of well seat 1, the bottom of second sealing washer 7 is equipped with annular bulge 13, and annular bulge 13 inlays to be established in second annular groove 12, marginal ring channel 11 has been seted up at the bottom edge of well lid 2, and second sealing washer 7 and marginal ring channel 11 interference fit, second sealing washer 7 and the marginal ring channel 11 interference fit of well lid 2 bottom and production extrusion force when well lid 2 closes play the waterproof effect of secondary. This kind of double-seal structure makes well lid 2 have good leakproofness, can strengthen its waterproof and sand control performance, moreover because the double-seal structure cooperation is very inseparable, can prevent to produce the swing under the condition of atress and make well lid 2 harm to improve well lid 2's life.
As shown in fig. 4 and 5, the surface that contacts with well seat 1 inboard on the first sealing washer 6 is equipped with a plurality of first annular sand grips 14, can strengthen the frictional force between first sealing washer 6 and the well seat 1 through a plurality of first annular sand grips 14 to avoid well lid 2 atress to produce and rock, and the stroke loss of water can be increased in a plurality of first annular sand grips 14's design, make water and sand more difficult to pass through first sealing washer 6, thereby play waterproof and sand control's effect. The surface of the second sealing ring 7 contacting with the edge annular groove 11 is provided with a plurality of second annular convex strips 15, and the second annular convex strips 15 play a role in water prevention.
The first sealing ring 6 and the second sealing ring 7 are both provided with air cavities 16 inside, and the design of the air cavities 16 enables the first sealing ring 6 and the second sealing ring 7 to achieve larger adhesive force under the condition of the same magnitude of interference, so that the sealing effect is better.
Wherein, the internal diameter on well seat 1 upper portion diminishes from top to bottom gradually, not only better packs into well lid 2 into for the cooperation between well lid 2 and the well seat 1 is inseparabler moreover, has the characteristics of reinforcing leakproofness.
As shown in fig. 2 and fig. 6, a plurality of round holes 9 have been seted up on the well lid 2, be equipped with well lid handle subassembly 4 in the round hole 9, well lid handle subassembly 4 includes well lid handle aluminium cover 17 and closing cap 18, the up end at well lid 2 is supported on the top of well lid handle aluminium cover 17, and round hole 9 and 18 threaded connection of closing cap are run through to the lower part of well lid handle aluminium cover 17 to the bottom of closing cap 18 is equipped with spacing ring 19, spacing ring 19 supports the locking that realizes well lid handle aluminium cover 17 at the lower terminal surface of well lid 2. During the use, catch on well lid handle aluminium cover 17 and upwards draw with the instrument, alright open well lid 2, consequently, make things convenient for opening of well lid 2 through a plurality of well lid handle components 4 that set up on well lid 2, manpower and materials that can significantly reduce. The utility model discloses a well lid handle subassembly 4, including stopper ring 19 and well lid 2, the terminal surface presss from both sides before with and is equipped with aluminium cover sealing washer 20 to this increases the leakproofness between well lid handle subassembly 4 and the round hole 9, prevents in the water infiltration well lid 2. 2 upper surfaces of well lid are equipped with around protruding muscle 8 in 2 handle top peripheries of well lid, and protruding muscle 8 has the effect of protection well lid handle subassembly 4, also has the effect of certain isolation ponding simultaneously.
As shown in the attached drawing 1, the upper surface of well lid 2 is equipped with a plurality of non-slip raised 3, and non-slip raised 3 can strengthen the roughness of 2 upper surfaces of well lid, avoids pedestrian or vehicle that are located 2 upper portions of well lid to take place to skid.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a well lid with double containment structure, includes well seat (1), sets up well head (5) on well seat (1) and sets up well lid (2) that are used for opening and close well head (5) in well head (5), its characterized in that: the manhole cover further comprises a first sealing ring (6) and a second sealing ring (7) which are used for sealing the manhole cover (2); a first annular groove (10) is formed in the middle of the outer side wall of the well cover (2), the first sealing ring (6) is embedded in the first annular groove (10), and the first sealing ring (6) is in interference fit with the inner side of the well base (1); second ring channel (12) have been seted up to the interior terminal surface of well seat (1), the bottom of second sealing washer (7) is equipped with annular bulge (13), and annular bulge (13) inlay establishes in second ring channel (12), edge ring channel (11) have been seted up at the bottom edge of well lid (2), second sealing washer (7) and edge ring channel (11) interference fit.
2. The manhole cover having a dual sealing structure according to claim 1, wherein: the surface that contacts with well seat (1) inboard on first sealing washer (6) is equipped with a plurality of first annular sand grip (14), the surface that contacts with marginal annular groove (11) on second sealing washer (7) is equipped with a plurality of second annular sand grip (15).
3. The manhole cover having a dual sealing structure according to claim 1, wherein: and hollow air cavities (16) are arranged in the first sealing ring (6) and the second sealing ring (7).
4. The manhole cover having a dual sealing structure according to claim 1, wherein: the inner diameter of the upper part of the well seat (1) is gradually reduced from top to bottom.
5. The manhole cover having a dual sealing structure according to claim 1, wherein: a plurality of round holes (9) have been seted up on well lid (2), be equipped with well lid handle subassembly (4) in round hole (9), well lid handle subassembly (4) are including well lid handle aluminium cover (17) and closing cap (18), the top of well lid handle aluminium cover (17) supports the up end at well lid (2), and the lower part of well lid handle aluminium cover (17) runs through round hole (9) and closing cap (18) threaded connection to the bottom of closing cap (18) is equipped with spacing ring (19), spacing ring (19) support the locking that realizes well lid handle aluminium cover (17) at the lower terminal surface of well lid (2).
6. The manhole cover having a dual sealing structure according to claim 5, wherein: an aluminum sleeve sealing ring (20) is clamped in front of the lower end face of the limiting ring (19) and the well lid (2).
7. The manhole cover having a dual sealing structure according to claim 5, wherein: the upper surface of the well lid (2) is provided with a convex rib (8) around the periphery of the top of the well lid handle aluminum sleeve (17).
8. The manhole cover having a dual sealing structure according to claim 1, wherein: the upper surface of well lid (2) is equipped with a plurality of non-slip raised (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870727.8A CN110593316A (en) | 2019-09-16 | 2019-09-16 | Well lid with double-sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870727.8A CN110593316A (en) | 2019-09-16 | 2019-09-16 | Well lid with double-sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110593316A true CN110593316A (en) | 2019-12-20 |
Family
ID=68859744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910870727.8A Pending CN110593316A (en) | 2019-09-16 | 2019-09-16 | Well lid with double-sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110593316A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356275A (en) * | 2021-06-23 | 2021-09-07 | 定州市东方石油设备有限公司 | Waterproof type bearing oil tank well lid |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952816U (en) * | 2011-01-18 | 2011-08-31 | 张迎新 | Sealed well lid |
| CN208328997U (en) * | 2018-03-23 | 2019-01-04 | 戴天智能科技（上海）有限公司 | A kind of electric power Waterproof well cover |
| CN109469106A (en) * | 2018-10-19 | 2019-03-15 | 浙江福睿得科技有限公司 | Sealing locks complete well lid |
| CN109881712A (en) * | 2019-03-21 | 2019-06-14 | 朱碎通 | A kind of sealed well lid |
| CN210658468U (en) * | 2019-09-16 | 2020-06-02 | 朱碎通 | Well lid with double-sealing structure |
-
2019
- 2019-09-16 CN CN201910870727.8A patent/CN110593316A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952816U (en) * | 2011-01-18 | 2011-08-31 | 张迎新 | Sealed well lid |
| CN208328997U (en) * | 2018-03-23 | 2019-01-04 | 戴天智能科技（上海）有限公司 | A kind of electric power Waterproof well cover |
| CN109469106A (en) * | 2018-10-19 | 2019-03-15 | 浙江福睿得科技有限公司 | Sealing locks complete well lid |
| CN109881712A (en) * | 2019-03-21 | 2019-06-14 | 朱碎通 | A kind of sealed well lid |
| CN210658468U (en) * | 2019-09-16 | 2020-06-02 | 朱碎通 | Well lid with double-sealing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356275A (en) * | 2021-06-23 | 2021-09-07 | 定州市东方石油设备有限公司 | Waterproof type bearing oil tank well lid |
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