CN209839416U - Sealing flange of water conservancy pipeline - Google Patents
Sealing flange of water conservancy pipeline Download PDFInfo
- Publication number
- CN209839416U CN209839416U CN201920374923.1U CN201920374923U CN209839416U CN 209839416 U CN209839416 U CN 209839416U CN 201920374923 U CN201920374923 U CN 201920374923U CN 209839416 U CN209839416 U CN 209839416U
- Authority
- CN
- China
- Prior art keywords
- flange
- water conservancy
- sealing
- sealing washer
- convex 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.)
- Expired - Fee Related
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Abstract
The utility model provides a water conservancy pipeline's sealing flange, both ends are equipped with first flange and second flange around the water conservancy pipeline, and the protruding circle of second of the outer terminal surface of second flange is established outside the first protruding circle of the outer terminal surface of first flange. The outside cover of first protruding circle is equipped with first sealing washer, and first sealing washer is inconsistent with the terminal surface of the protruding circle of second. And a second sealing ring is arranged on the inner side of the second convex ring and is abutted against the end surface of the first convex ring. A plurality of connecting holes are formed in the first flange and the second flange, and connecting bolts are arranged on the connecting holes. Install between first flange and second flange inside and outside first sealing washer and the second sealing washer, after first sealing washer takes place to reveal, the pipeline flange still can be sealed to the second sealing washer, plays dual leak protection's purpose, compares the flange structure of current single sealing washer. The utility model discloses a double seal's flange can be pre-buried in the underground of complex environment, effectively prolongs water conservancy pipeline's life cycle.
Description
Technical Field
The utility model belongs to the technical field of the water conservancy pipeline and specifically relates to a water conservancy pipeline's sealing flange.
Background
Water conservancy pipeline is more pre-buried underground, and water conservancy pipeline design is the sectional type structure, adopts flange structure to connect between every section water conservancy pipeline. The seal structure of traditional ring flange is protruding structure, and the gasket is installed to two water conservancy pipeline junctions, and this seal structure is single seal structure, and the gasket can take place ageing after the long-term use of water conservancy pipeline, owing to not set up second double seal structure, easily takes place to reveal the phenomenon after single seal structure ageing. Because the pre-buried place of water conservancy pipeline is comparatively complicated, especially when meetting the condition that there is the corrosive substance underground, the ageing rate of the gasket of singleness is very fast. The service life of water conservancy pipeline pre-buried after underground is longer, and the cost of maintenance is higher when water conservancy pipeline reveals. For solving the technical problem, the utility model relates to a double-seal water conservancy pipeline sealing flange is needed, takes place to reveal the back at first heavy sealing washer, and the pipeline flange still can be sealed to the second heavy sealing washer.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water conservancy pipeline's sealing flange is equipped with double seal structure, and inside and outside double seal structure separately sets up, takes place to reveal the back at first heavy sealing washer, and the pipeline flange still can be sealed to the heavy sealing washer of second.
The technical scheme of the utility model is realized like this: a sealing flange of a water conservancy pipeline comprises a first flange and a second flange which are respectively arranged at the front end and the rear end of the water conservancy pipeline, wherein the first flange and the second flange of two adjacent water conservancy pipelines are connected; a first convex ring is arranged on the outer end face of the first flange, a second convex ring is arranged on the outer end face of the second flange, and the second convex ring is sleeved outside the first convex ring; a first sealing ring is sleeved outside the first convex ring, and the first sealing ring is abutted against the end face of the second convex ring; a second sealing ring is arranged on the inner side of the second convex ring and is abutted against the end face of the first convex ring; a plurality of connecting holes are formed in the first flange and the second flange, and connecting bolts penetrate through the connecting holes.
Further, a first inclined plane is arranged on the outer side surface of the first convex ring, a second inclined plane is arranged on the inner side surface of the second convex ring, and the second inclined plane is matched with the second inclined plane.
Further, a first mounting groove is formed in the inner side of the first convex ring on the end face of the first flange, and the first sealing ring is mounted in the first mounting groove.
Furthermore, a second mounting groove is formed in the inner side of the second convex ring on the end face of the second flange, and the second sealing ring is mounted in the second mounting groove.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a first flange and the second flange of establishing both ends around water conservancy pipeline, the outer terminal surface of first flange is equipped with first protruding circle, and the outer terminal surface of second flange is equipped with the protruding circle of second, and the protruding circle cover of second is established in first protruding circle outside. The outside cover of first protruding circle is equipped with first sealing washer, and first sealing washer is inconsistent with the terminal surface of the protruding circle of second. And a second sealing ring is arranged on the inner side of the second convex ring and is abutted against the end surface of the first convex ring. A plurality of connecting holes are formed in the first flange and the second flange, and connecting bolts are arranged on the connecting holes. Install between first flange and second flange inside and outside first sealing washer and the second sealing washer, after first sealing washer takes place to reveal, the pipeline flange still can be sealed to the second sealing washer, plays dual leak protection's purpose, compares the flange structure of current single sealing washer. The utility model discloses a double seal's flange can be pre-buried in the underground of complex environment, effectively prolongs water conservancy pipeline's life cycle.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is a schematic view of the split structure of the present invention;
wherein: 1. the water conservancy pipeline, 2, first flange, 3, second flange, 4, first protruding circle, 5, second protruding circle, 6, first sealing washer, 7, second sealing washer, 8, connecting hole, 9, connecting bolt, 10, first mounting groove, 11, the second mounting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a sealing flange of a water conservancy pipeline comprises a first flange 2 and a second flange 3 which are respectively arranged at the front end and the rear end of the water conservancy pipeline 1, wherein the first flange 2 and the second flange 3 of two adjacent water conservancy pipelines 1 are connected; a first convex ring 4 is arranged on the outer end face of the first flange 2, a second convex ring 5 is arranged on the outer end face of the second flange 3, and the second convex ring 5 is sleeved outside the first convex ring 4; a first sealing ring 6 is sleeved outside the first convex ring 4, and the first sealing ring 6 is abutted against the end face of the second convex ring 5; a second sealing ring 7 is arranged on the inner side of the second convex ring 5, and the second sealing ring 7 is abutted against the end face of the first convex ring 4; a plurality of connecting holes 8 are formed in the first flange 2 and the second flange 3, and connecting bolts 9 penetrate through the connecting holes 8.
First inclined plane has been seted up to the lateral surface of first protruding circle 4 of this embodiment, the second inclined plane has been seted up to the medial surface of second protruding circle 5, second inclined plane and second inclined plane phase-match. The first inclined plane and the second inclined plane of first protruding circle 4 and second protruding circle 5 match the laminating, and what connect between first flange 2 and the second flange 3 is the inseparabler laminating more.
The end surface of the first flange 2 of this embodiment is provided with a first mounting groove 10 on the inner side of the first convex ring 4, and the first sealing ring 6 is mounted in the first mounting groove 10. Because the first sealing ring 6 is sleeved outside the first convex ring 4, the first sealing ring 6 is more firmly and stably arranged in the first mounting groove 10.
The end surface of the second flange 3 of the present embodiment is provided with a second mounting groove 11 at the inner side of the second convex ring 5, and the second sealing ring 7 is mounted in the second mounting groove 11. The second sealing ring 7 is installed in the second installation groove 11 more firmly and stably, and the second sealing ring 7 is installed between the first flange 2 and the second flange 3 and is not easy to loose.
The utility model discloses a establish first flange 2 and second flange 3 at both ends around hydraulic pipeline 1, the outer terminal surface of first flange 2 is equipped with first protruding circle 4, and the outer terminal surface of second flange 3 is equipped with the protruding circle 5 of second, and the protruding 5 covers of circle of second is established in first protruding 4 outsides of enclosing. The outside cover of first protruding circle 4 is equipped with first sealing washer 6, and first sealing washer 6 is inconsistent with the terminal surface of second protruding circle 5. And a second sealing ring 7 is arranged on the inner side of the second convex ring 5, and the second sealing ring 7 is abutted against the end surface of the first convex ring 4. A plurality of connecting holes 8 are formed in the first flange 2 and the second flange 3, and connecting bolts 9 are arranged on the connecting holes 8 in an up-passing mode. Install between first flange 2 and second flange 3 inside and outside first sealing washer 6 and second sealing washer 7, after first sealing washer 6 takes place to reveal, pipeline flange still can be sealed to second sealing washer 7, plays dual leak protection's purpose, compares the flange structure of current single sealing washer. The utility model discloses a double seal's flange can be pre-buried in the underground of complex environment, effectively prolongs water conservancy pipeline's life cycle.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A sealing flange of a water conservancy pipeline is characterized by comprising a first flange (2) and a second flange (3) which are respectively arranged at the front end and the rear end of the water conservancy pipeline (1), wherein the first flange (2) and the second flange (3) of two adjacent water conservancy pipelines (1) are connected; a first convex ring (4) is arranged on the outer end face of the first flange (2), a second convex ring (5) is arranged on the outer end face of the second flange (3), and the second convex ring (5) is sleeved outside the first convex ring (4); a first sealing ring (6) is sleeved outside the first convex ring (4), and the first sealing ring (6) is abutted against the end face of the second convex ring (5); a second sealing ring (7) is arranged on the inner side of the second convex ring (5), and the second sealing ring (7) is abutted against the end face of the first convex ring (4); a plurality of connecting holes (8) are formed in the first flange (2) and the second flange (3), and connecting bolts (9) penetrate through the connecting holes (8).
2. The sealing flange of a water conservancy pipeline according to claim 1, characterized in that, the lateral surface of first protruding circle (4) has seted up first inclined plane, the medial surface of second protruding circle (5) has seted up the second inclined plane, the second inclined plane and second inclined plane phase-match.
3. The sealing flange of a water conservancy pipeline according to claim 1, characterized in that, the terminal surface of first flange (2) is seted up first mounting groove (10) at first protruding circle (4) inboard, first sealing washer (6) are installed in first mounting groove (10).
4. The sealing flange of a water conservancy pipeline according to claim 1, characterized in that, the terminal surface of second flange (3) is seted up second mounting groove (11) at second flange (5) inboard, second sealing washer (7) are installed in second mounting groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920374923.1U CN209839416U (en) | 2019-03-23 | 2019-03-23 | Sealing flange of water conservancy pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920374923.1U CN209839416U (en) | 2019-03-23 | 2019-03-23 | Sealing flange of water conservancy pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209839416U true CN209839416U (en) | 2019-12-24 |
Family
ID=68907655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920374923.1U Expired - Fee Related CN209839416U (en) | 2019-03-23 | 2019-03-23 | Sealing flange of water conservancy pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209839416U (en) |
-
2019
- 2019-03-23 CN CN201920374923.1U patent/CN209839416U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |