CN219734565U - Strong ring flange of gas tightness - Google Patents
Strong ring flange of gas tightness Download PDFInfo
- Publication number
- CN219734565U CN219734565U CN202320969389.5U CN202320969389U CN219734565U CN 219734565 U CN219734565 U CN 219734565U CN 202320969389 U CN202320969389 U CN 202320969389U CN 219734565 U CN219734565 U CN 219734565U
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- China
- Prior art keywords
- flange
- ring
- compression
- flange plate
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 99
- 230000006835 compression Effects 0.000 claims description 98
- 238000007906 compression Methods 0.000 claims description 98
- 239000003973 paint Substances 0.000 claims description 4
- 230000008094 contradictory effect Effects 0.000 claims 2
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to the technical field of flanges, and discloses a flange with high air tightness, which comprises a flange A and a flange B positioned below the flange A, wherein a sealing assembly comprises a sealing gasket, one end of the sealing gasket is in contact connection with the flange A, the other end of the sealing gasket is in contact connection with the flange B, the pressing assembly comprises a pressing ring A positioned above the flange A and in contact with the flange A, a pressing ring B positioned below the flange B and in contact with the flange B, a pressing frame A and a pressing frame B fixedly arranged on the pressing ring A and the pressing ring B, and a plurality of locking blocks A and locking blocks B positioned outside the flange A and the flange B are fixedly arranged on the pressing frame A and the pressing frame B, and the locking blocks A and the locking blocks B are fixedly connected through the pressing bolts. The flange plate has strong air tightness, and solves the problem that the air with higher air pressure slowly leaks out of the gap under the pushing of the air pressure due to the fact that the gap is formed at the joint of the bolt and the flange plate of the traditional flange plate fastened by the bolt and the air tightness is not strong.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a flange with high air tightness.
Background
Flange, which is a disc-shaped part, is most commonly used in pipeline engineering, and is usually used in pairs. In pipeline engineering, flanges are mainly used for connecting pipelines, are arranged at the ends of two pipelines to be connected, are provided with sealing gaskets, and are fastened by bolts.
In systems for delivering gases, particularly those with relatively high gas pressures, it is desirable that the pipe connections have relatively high tightness to prevent gas leakage. The traditional flange plate fastened by the bolts is provided with gaps at the joints of the bolts and the flange plate, and the air tightness is not strong, so that the problem that the gas with higher air pressure slowly leaks out from the gaps under the pushing of the air pressure can be caused.
Disclosure of Invention
The utility model aims to provide a flange plate with high air tightness so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ring flange that gas tightness is strong, includes ring flange A, is located ring flange B of ring flange A below, its characterized in that: the sealing device comprises a flange plate A, a flange plate B, a sealing assembly is arranged between the flange plate A and the flange plate B, a compressing assembly is arranged on the flange plate A and the flange plate B, a holding assembly is arranged on the outer sides of the flange plate A and the flange plate B, the sealing assembly comprises a sealing gasket, one end of the sealing gasket is in contact with the flange plate A, the other end of the sealing gasket is in contact with the flange plate B, the sealing assembly comprises a compressing ring A, a compressing ring B, a compressing frame A, a compressing frame B and a compressing bolt, the compressing frame A and the compressing frame B are fixedly arranged on the compressing ring A and the compressing ring B, a plurality of locking blocks A and locking blocks B are fixedly arranged on the outer sides of the flange plate A and the flange plate B, and the locking blocks A and the locking blocks B are fixedly connected through the compressing bolt.
Preferably, guide grooves matched with the compression ring A and the compression ring B are formed in the flange A and the flange B, and the compression ring A and the compression ring B are inserted into the guide grooves to be in abutting connection with the flange A and the flange B.
Preferably, positioning grooves matched with the compression frame A and the compression frame B are formed in the compression ring A and the compression ring B, and the compression frame A and the compression frame B are fixedly connected with the compression ring A and the compression ring B through screws after being inserted into the positioning grooves.
Preferably, the sealing assembly further comprises sealing sleeves, sealing grooves A matched with the sealing sleeves are formed in the outer side walls of the flange plates A and B, and the sealing sleeves are sleeved on the flange plates A and B and located in the sealing grooves A.
Preferably, a sealing groove B communicated with the sealing groove A is formed in one side, facing the sealing gasket, of each of the flange A and the flange B, a sealing convex ring matched with the sealing groove B is fixedly arranged on the sealing sleeve, and the sealing convex ring is located inside the sealing groove B and is in abutting connection with the flange A and the flange B.
Preferably, the enclasping assembly comprises enclasping rings and enclasping bolts sleeved on the sealing sleeve, the enclasping rings are fixedly connected with the sealing sleeve through the enclasping bolts, and the sealing sleeve and the sealing convex ring are fixedly connected with the flange plate A and the flange plate B through the enclasping rings.
Preferably, the compression bolt is coated with rust-proof paint.
The utility model has the beneficial effects that: when the flange A and the flange B are required to be installed, a sealing gasket is arranged between the flange A and the flange B, so that one end of the sealing gasket is in contact connection with the flange A, and the other end of the sealing gasket is in contact connection with the flange B; placing a compression ring A above a flange plate A and in abutting connection with the flange plate A, placing a compression ring B below the flange plate B and in abutting connection with the flange plate B, then placing a compression frame A above the compression ring A and fixedly connected with the compression ring A through screws, and then placing a compression frame B below the compression ring B and fixedly connected with the compression ring B through screws; because the compression frame A and the compression frame B are fixedly provided with a plurality of locking blocks A and B positioned on the outer sides of the flange A and the flange B, bolts of compression bolts penetrate through the locking blocks A and the locking blocks B and then are locked with nuts, the compression bolts can extrude the locking blocks A and the locking blocks B to fix the locking blocks A and the locking blocks B, the locking blocks A and the locking blocks B can extrude the compression ring A and the compression ring B to fix the locking blocks A and the compression ring B, and the compression ring A and the compression ring B can extrude the flange A and the flange B to fix the locking blocks A and the flange B and fix the sealing gasket between the locking blocks A and the flange B; because the compression bolts are arranged on the locking blocks A and B which are positioned at the outer sides of the flange A and the flange B, the flange A and the flange B are internally provided with no bolts, so that gaps are not formed, the effect of enhancing the air tightness is achieved, and the condition that gas with higher air pressure leaks from the gaps is avoided; the sealing sleeve is sleeved at the joint of the sealing gasket, the flange plate A and the flange plate B, the holding ring is sleeved on the sealing sleeve and fixedly connected with the sealing sleeve through the holding bolt, and the sealing sleeve is fixed at the joint of the sealing gasket, the flange plate A and the flange plate B, so that the effect of preventing external water vapor from penetrating from the joint is achieved. In summary, the utility model has strong air tightness, and solves the problems that the traditional flange fastened by bolts has gaps at the joints of the bolts and the flange, the air tightness is not strong, and the air with higher air pressure slowly leaks out from the gaps under the pushing of the air pressure.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an exploded view of the compression assembly of the present utility model;
FIG. 3 is a top view of the present utility model;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
fig. 5 is an enlarged view at a in fig. 4.
In the figure: flange plate A1, flange plate B2, sealing gasket 3, compression ring A4, compression ring B5, compression frame A6, compression frame B7, compression bolt 8, locking piece A9, locking piece B10, guiding groove 11, positioning groove 12, sealing sleeve 13, sealing groove a14, sealing groove B15, sealing convex ring 16, holding ring 17, holding bolt 18.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-5, the utility model discloses a flange plate with strong air tightness, which comprises a flange plate A1 and a flange plate B2 positioned below the flange plate A1, wherein a sealing assembly is arranged between the flange plate A1 and the flange plate B2, a compression assembly is arranged on the flange plate A1 and the flange plate B2, a holding assembly is arranged on the outer sides of the flange plate A1 and the flange plate B2, the sealing assembly comprises a sealing gasket 3, one end of the sealing gasket 3 is in contact connection with the flange plate A1, the other end of the sealing gasket is in contact connection with the flange plate B2, the compression assembly comprises a compression ring A4 positioned above the flange plate A1 and in contact with the sealing gasket, a compression ring B5 positioned below the flange plate B2 and in contact with the flange plate B2, a compression frame A6 and a compression frame B7 fixedly arranged on the compression ring A4 and the compression ring B5, and a compression bolt 8, a plurality of blocks A9 and locking blocks B10 positioned on the outer sides of the flange plate A1 and the flange plate B2 are fixedly arranged on the compression frame A6 and the compression frame B7, and the locking blocks A9 and the locking blocks B10 are fixedly connected through the compression bolt 8. When the flange A1 and the flange B2 are required to be installed, the sealing gasket 3 is placed between the flange A1 and the flange B2, so that one end of the sealing gasket 3 is in contact connection with the flange A1 and the other end is in contact connection with the flange B2; placing a compression ring A4 above a flange plate A1 and in abutting connection with the flange plate A1, placing a compression ring B5 below a flange plate B2 and in abutting connection with the flange plate B2, then placing a compression frame A6 above the compression ring A4 and fixedly connected with the compression ring A4 through screws, and then placing a compression frame B7 below the compression ring B5 and fixedly connected with the compression ring B5 through screws; because the compression frame A6 and the compression frame B7 are fixedly provided with the plurality of locking blocks A9 and B10 positioned on the outer sides of the flange plate A1 and the flange plate B2, bolts of the compression bolts 8 penetrate through the locking blocks A9 and B10 and then are locked with nuts, the compression bolts 8 can press the locking blocks A9 and B10 to fix the locking blocks A9 and B10, the locking blocks A9 and B10 can press the compression ring A4 and the compression ring B5 to fix the locking blocks A4 and B5, and the compression ring A4 and the compression ring B5 can press the flange plate A1 and the flange plate B2 to fix the locking blocks A9 and B5 and fix the sealing gasket 3 between the locking blocks A9 and B2; because the compression bolts 8 are arranged on the locking blocks A9 and B10 which are positioned at the outer sides of the flange plate A1 and the flange plate B2, the inside of the flange plate A1 and the inside of the flange plate B2 are not provided with bolts, so that gaps are not formed, the effect of enhancing the air tightness is achieved, and the condition that gas with higher air pressure leaks from the gaps is avoided; the sealing sleeve 13 is sleeved at the joint of the sealing gasket 3 and the flange plate A1 and the flange plate B2, the holding ring 17 is sleeved on the sealing sleeve 13 and fixedly connected with the sealing sleeve 13 through the holding bolt 18, and the sealing sleeve 13 is fixed at the joint of the sealing gasket 3 and the flange plate A1 and the flange plate B2, so that the effect of preventing external water vapor from penetrating from the joint is achieved. In summary, the utility model has strong air tightness, and solves the problems that the traditional flange fastened by bolts has gaps at the joints of the bolts and the flange, the air tightness is not strong, and the air with higher air pressure slowly leaks out from the gaps under the pushing of the air pressure.
Preferably, guide grooves 11 matched with the compression rings A4 and B5 are formed in the flange plates A1 and B2, and the compression rings A4 and B5 are inserted into the guide grooves 11 to be in abutting connection with the flange plates A1 and B2. Because clamp ring A4 and clamp ring B5 insert guide slot 11 and the conflict of ring flange A1 and ring flange B2 and be connected, played direction and spacing effect, avoided clamp ring A4 and clamp ring B5 to slide the condition that appears on ring flange A1 and ring flange B2 when locking.
Preferably, the compression ring A4 and the compression ring B5 are provided with positioning grooves 12 matched with the compression frame A6 and the compression frame B7, and the compression frame A6 and the compression frame B7 are fixedly connected with the compression ring A4 and the compression ring B5 through screws after being inserted into the positioning grooves 12. Because compress tightly frame A6 and compress tightly frame B7 and insert behind the constant head tank 12 through screw and clamp ring A4 and clamp ring B5 fixed connection, played the positioning action, avoided compressing tightly frame A6 and compress tightly frame B7 fixed back locking piece A9 and locking piece B10 unable aligned condition to appear.
Preferably, the sealing assembly further comprises a sealing sleeve 13, sealing grooves A14 matched with the sealing sleeve 13 are formed in the outer side walls of the flange plates A1 and B2, and the sealing sleeve 13 is sleeved on the flange plates A1 and B2 and located inside the sealing grooves A14. Because the sealing sleeve 13 is sleeved on the flange plate A1 and the flange plate B2 and is positioned in the sealing groove A14, the sealing sleeve plays a role in preventing external water vapor from penetrating from the joint of the flange plate A1 and the flange plate B2.
Preferably, a sealing groove B15 penetrating through the sealing groove a14 is formed in one side, facing the sealing gasket 3, of the flange plate A1 and the flange plate B2, a sealing convex ring 16 matched with the sealing groove B15 is fixedly arranged on the sealing sleeve 13, and the sealing convex ring 16 is located inside the sealing groove B15 and is in abutting connection with the flange plate A1 and the flange plate B2. Because the sealing convex ring 16 is located inside the sealing groove B15 and is in abutting connection with the flange plate A1 and the flange plate B2, the sealing convex ring plays a role in preventing external water vapor from penetrating from the joint of the sealing gasket 3 and the flange plate A1 and the flange plate B2.
Preferably, the enclasping assembly comprises an enclasping ring 17 and enclasping bolts 18 sleeved on the sealing sleeve 13, the enclasping ring 17 is fixedly connected with the sealing sleeve 13 through the enclasping bolts 18, and the sealing sleeve 13 and the sealing convex ring 16 are fixedly connected with the flange plate A1 and the flange plate B2 through the enclasping ring 17. The sealing sleeve 13 and the sealing convex ring 16 are fixedly connected with the flange plate A1 and the flange plate B2 through the holding ring 17, so that the sealing sleeve 13 and the sealing convex ring 16 are fixed.
Preferably, the compression bolt 8 is coated with rust-proof paint. Because the compression bolt 8 is smeared with antirust paint, the function of preventing the compression bolt 8 from rusting is achieved.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a ring flange that gas tightness is strong, includes ring flange A (1), is located ring flange B (2) of ring flange A (1) below, its characterized in that: be equipped with seal assembly between ring flange A (1) and ring flange B (2), be equipped with compression assembly on ring flange A (1) and ring flange B (2), the outside of ring flange A (1) and ring flange B (2) is equipped with hugs tight subassembly, seal assembly includes sealed pad (3), sealed pad (3) one end is connected the other end and is connected with ring flange B (2) contact with ring flange A (1), compression assembly is including being located ring flange A (1) top and rather than the compression ring A (4) of contradicting, being located ring flange B (2) below and rather than compression ring B (5) of contradicting, fixed mounting is compressing tightly frame A (6) and compression frame B (7), compression bolt (8) on compression frame A (6) and compression frame B (7) fixedly provided with a plurality of locking piece A (9) and locking piece B (10) that are located ring flange A (1) and ring flange B (2) outside, locking piece A (10) and locking piece (10) pass through fixed bolt (8).
2. A flange plate with high air tightness according to claim 1, characterized in that: guide grooves (11) matched with the compression rings A (4) and B (5) are formed in the flange plate A (1) and the flange plate B (2), and the compression rings A (4) and B (5) are inserted into the guide grooves (11) to be in abutting connection with the flange plate A (1) and the flange plate B (2).
3. A flange plate with high air tightness as claimed in claim 2, wherein: and positioning grooves (12) matched with the compression frame A (6) and the compression frame B (7) are formed in the compression ring A (4) and the compression ring B (5), and the compression frame A (6) and the compression frame B (7) are fixedly connected with the compression ring A (4) and the compression ring B (5) through screws after being inserted into the positioning grooves (12).
4. A flange plate with high air tightness according to claim 3, characterized in that: the sealing assembly further comprises a sealing sleeve (13), sealing grooves A (14) matched with the sealing sleeve (13) are formed in the outer side walls of the flange plate A (1) and the flange plate B (2), and the sealing sleeve (13) is sleeved on the flange plate A (1) and the flange plate B (2) and located in the sealing grooves A (14).
5. A flange with high air tightness according to claim 4, characterized in that: seal groove B (15) that link up with seal groove A (14) have all been seted up towards one side of sealed pad (3) to ring flange A (1) and ring flange B (2), fixed be provided with on seal cover (13) with seal groove B (15) assorted seal bulge loop (16), seal bulge loop (16) are located inside ring flange A (1) and ring flange B (2) of seal groove B (15) and contradict and be connected.
6. A flange with high air tightness according to claim 5, characterized in that: the enclasping assembly comprises an enclasping ring (17) and enclasping bolts (18) which are sleeved on a sealing sleeve (13), wherein the enclasping ring (17) is fixedly connected with the sealing sleeve (13) through the enclasping bolts (18), and the sealing sleeve (13) and the sealing convex ring (16) are fixedly connected with a flange plate A (1) and a flange plate B (2) through the enclasping ring (17).
7. The flange plate with high air tightness according to claim 6, wherein: and rust-proof paint is smeared on the compression bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969389.5U CN219734565U (en) | 2023-04-23 | 2023-04-23 | Strong ring flange of gas tightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320969389.5U CN219734565U (en) | 2023-04-23 | 2023-04-23 | Strong ring flange of gas tightness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734565U true CN219734565U (en) | 2023-09-22 |
Family
ID=88053385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320969389.5U Active CN219734565U (en) | 2023-04-23 | 2023-04-23 | Strong ring flange of gas tightness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734565U (en) |
-
2023
- 2023-04-23 CN CN202320969389.5U patent/CN219734565U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |