CN216408047U - High-sealing flange for pipeline connection - Google Patents
High-sealing flange for pipeline connection Download PDFInfo
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- CN216408047U CN216408047U CN202123247947.7U CN202123247947U CN216408047U CN 216408047 U CN216408047 U CN 216408047U CN 202123247947 U CN202123247947 U CN 202123247947U CN 216408047 U CN216408047 U CN 216408047U
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Abstract
The utility model discloses a high-sealing-performance flange for connecting pipelines, which comprises a first flange plate and a second flange plate, wherein connecting rings are fixedly arranged at the center of the front end of the first flange plate and the center of the front end of the second flange plate in a penetrating manner, a telescopic pipe is movably connected between the centers of the first flange plate and the second flange plate, a plurality of bolts are in threaded connection with the front end surface of the first flange plate and the front end surface of the second flange plate close to the connecting rings, the inner ends of the bolts respectively penetrate through the first flange plate and the second flange plate and the two ends of the telescopic pipe and are in threaded connection with first nuts, the bolts are in threaded connection with the first flange plate and the second flange plate, and a first connecting assembly, a second connecting assembly, a third connecting assembly and a fourth connecting assembly are respectively arranged at the four corners of the first flange plate. Through the use of the device, the connection with high leakproofness can be provided for the pipeline with high efficiency to provide cushioning effect at the link, and it is more convenient to change.
Description
Technical Field
The utility model relates to the field of flanges, in particular to a high-tightness flange for pipeline connection.
Background
The flange connection is characterized in that the flange connection is convenient to detach, high in strength and good in sealing performance, two flanges are required to be kept parallel when installing the flange, the sealing surfaces of the flanges cannot be damaged, the gasket used by the flanges needs to be cleaned, the flange connection is an important connection mode of pipeline construction, and the flanges are in threaded connection (threaded connection) with the welding flanges, low pressure minor diameter has the silk to connect the flange, high pressure and low pressure major diameter all use welded flange, the thickness and the connecting bolt diameter and the quantity of the ring flange of different pressure are different, according to the different grades of pressure, the flange pad also has different materials, from low pressure asbestos pad, high pressure asbestos pad all has to the metal gasket, flange joint convenient to use, can bear great pressure, in industrial pipeline, flange joint's use is very extensive, but because the pipeline uses will focus on sealed effect, especially high leakproofness pipeline, the revealing of flange joint will influence whole pipeline and play a role.
The current patent (publication number is CN204300563U) discloses a bearing capacity is strong, and the leakproofness is good, and novel flange that the appearance is pleasing to the eye, including the flange body, still including being used for the tubulose interface with external pipe connection, the integrative butt welding of terminal surface of the medium flow opening of tubulose interface and flange body, the medium flow opening of flange body is the same with the internal diameter of tubulose interface, and the flange body is flat flange. The tubular interface and the end face of the medium flow port of the flange body are integrally butt-welded, the inner diameters of the medium flow port of the flange body and the tubular interface are the same, and the flange body is a flat plate type flange. The sealing performance of the flange is enhanced, the bearing capacity of the flange is improved, the working efficiency is improved, materials are saved, and the flange is more attractive.
However, this device still has some problems: the device structure is too simple, and the leakproofness is lower, can't satisfy the higher pipe connection needs of sealed requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a high-tightness flange for connecting pipelines.
In order to achieve the purpose, the utility model adopts the following technical scheme: a high-sealing flange for pipeline connection comprises a first flange plate, a second flange plate, wherein the first flange plate and the second flange plate are square in shape, a connecting ring is fixedly arranged at the center of the front end of the first flange plate and the center of the front end of the second flange plate in a penetrating way, a telescopic pipe is movably connected between the centers of the first flange plate and the second flange plate, a plurality of bolts are in threaded connection with the front end surface of the first flange plate and the front end surface of the second flange plate close to the connecting ring, the inner ends of the bolts respectively penetrate through the two ends of the first flange plate, the second flange plate and the telescopic pipe and are in threaded connection with first nuts, the bolts are in threaded connection with the first flange plate and the second flange plate, and a first connecting assembly, a second connecting assembly, a third connecting assembly and a fourth connecting assembly are respectively arranged at the four corners of the first flange plate, and the other ends of the first connecting assembly, the second connecting assembly, the third connecting assembly and the fourth connecting assembly are connected to four corresponding corners of the second flange plate.
As a further description of the above technical solution:
the first connecting component comprises a sliding rod, a flexible gasket, a spring and a second nut, the sliding rod penetrates through the first flange plate and the second flange plate, the second nut is sleeved in a threaded mode, and the spring is movably sleeved on a sliding rod body between the first flange plate and the second flange plate.
As a further description of the above technical solution:
the flexible gasket is movably sleeved on the rod body of the sliding rod between the two ends of the sliding rod and the first flange plate and the second flange plate.
As a further description of the above technical solution:
the second connecting assembly, the third connecting assembly and the fourth connecting assembly are completely the same in structure as the first connecting assembly, and the mode of connecting the first flange plate and the second flange plate with the second connecting assembly is the same as that of connecting the first connecting assembly with the third connecting assembly and the fourth connecting assembly.
As a further description of the above technical solution:
and a sealing washer is sleeved on the screw rod of the bolt between the extension pipe and the first flange plate and the second flange plate.
As a further description of the above technical solution:
the rear end faces of the first flange plate and the second flange plate are oppositely connected.
As a further description of the above technical solution:
the telescopic pipe is made of steel corrugated pipes.
As a further description of the above technical solution:
the size of the sealing washer is consistent with that of the base of the telescopic pipe.
The utility model has the following beneficial effects:
the utility model discloses in, flexible pipe can be with the rear end interconnect of device two parts among the device, and be provided with seal ring in the junction, can ensure the device leakproofness, all be provided with four holes in the four corners department of device, four coupling assembling's slide bar passes through the hole and is in the same place the two parts fixed connection of device, and four coupling assembling are provided with the spring again between the two parts of device, can provide elasticity to the junction in connecting device, make the two parts of the device have the cushioning effect again when being in the same place pipe-line seal connection.
In the utility model, the device keeps the space again when with pipe sealing connection, can conveniently change the flexible pipe of damage, great increase the convenience.
Drawings
Fig. 1 is a perspective view of a high-sealability flange for pipe connection according to the present invention;
FIG. 2 is a side view of a high-sealability flange for pipe connection according to the present invention;
FIG. 3 is a cross-sectional view of a high-sealability flange for pipe connection according to the present invention;
FIG. 4 is a sectional view of a pipe coupling flange according to the present invention;
fig. 5 is an enlarged view of a portion a in fig. 3.
Illustration of the drawings:
1. a first flange plate; 2. a second flange plate; 3. a connecting ring; 4. a bolt; 5. a first connection assembly; 6. a second connection assembly; 7. a third connection assembly; 8. a fourth connection assembly; 9. a telescopic pipe; 10. a sealing gasket; 11. a first nut; 501. a slide bar; 502. a flexible gasket; 503. a spring; 504. a second nut.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, one embodiment of the present invention is provided: a high-sealing-performance flange for connecting pipelines comprises a first flange plate 1 and a second flange plate 2, wherein the first flange plate 1 and the second flange plate 2 are square in shape, a connecting ring 3 penetrates through and is fixedly arranged at the center of the front end of the first flange plate 1 and the center of the front end of the second flange plate 2, a telescopic pipe 9 is movably connected between the centers of the first flange plate 1 and the second flange plate 2, a plurality of bolts 4 are in threaded connection with the front end face of the first flange plate 1 and the front end face of the second flange plate 2 close to the connecting ring 3, the inner ends of the bolts 4 respectively penetrate through the two ends of the first flange plate 1, the second flange plate 2 and the telescopic pipe 9 and are in threaded connection with first nuts 11, the bolts 4 are in threaded connection with the first flange plate 1 and the second flange plate 2, and a first connecting assembly 5, a second connecting assembly 6 and a connecting assembly 6 are respectively arranged at the four corners of the first flange plate 1, Third coupling assembling 7, fourth coupling assembling 8, and first coupling assembling 5, second coupling assembling 6, third coupling assembling 7, the other end of fourth coupling assembling 8 is connected in four corresponding corner departments of second ring flange 2, and four coupling assembling's setting makes the sealing connection between the pipeline have more cushioning effect.
The first connecting assembly 5 comprises a sliding rod 501, a flexible washer 502, a spring 503 and a second nut 504, the sliding rod 501 penetrates through the first flange 1 and the second flange 2 and is in threaded connection with the second nut 504, and the spring 503 is movably sleeved on a rod body of the sliding rod 501 between the first flange 1 and the second flange 2. The flexible gasket 502 is movably sleeved on the rod body of the sliding rod 501 between the two ends of the sliding rod 501 and the first flange 1 and the second flange 2.
The second connecting assembly 6, the third connecting assembly 7 and the fourth connecting assembly 8 are completely the same as the first connecting assembly 5 in structure, and the mode of connecting the first flange plate 1 and the second flange plate 2 by the second connecting assembly 6, the third connecting assembly 7 and the fourth connecting assembly 8 is the same as that of the first connecting assembly 5. The rear end faces of the first flange plate 1 and the second flange plate 2 are oppositely connected. And a sealing washer 10 is sleeved on the screw rod of the bolt 4 between the extension pipe 9 and the first flange plate 1 and the second flange plate 2. The telescopic tube 9 is made of steel corrugated tube. The size of the sealing gasket 10 is the same as that of the base of the telescopic pipe 9, and the sealing performance of the pipeline connection can be better ensured by the sealing gasket 10.
The working principle is as follows: two sections of pipelines to be connected are fixedly connected with the connecting rings 3 on the front end faces of the first flange plate 1 and the second flange plate 2 respectively, the two ends of the extension tube 9 are connected with the rear ends of the first flange plate 1 and the second flange plate 2 in a sealing mode through the bolts 4, the sealing gaskets 10 and the first screw caps 11, the first connecting assembly 5, the second connecting assembly 6, the third connecting assembly 7 and the fourth connecting assembly 8 are firmly connected at the four corners of the first flange plate 1 and the second flange plate 2, and the connecting ends are buffered.
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 utility model.
Claims (8)
1. The utility model provides a high leakproofness's flange for pipe connection, includes first ring flange (1), second ring flange (2), its characterized in that: the shape of the first flange plate (1) and the second flange plate (2) is set to be square, the front end center of the first flange plate (1) and the front end center of the second flange plate (2) are both provided with a connecting ring (3) in a penetrating and fixing mode, a telescopic pipe (9) is movably connected between the centers of the first flange plate (1) and the second flange plate (2), the front end face of the first flange plate (1) and the front end face of the second flange plate (2) are close to the connecting ring (3) and are in threaded connection with a plurality of bolts (4), the inner ends of the bolts (4) close to the two ends of the first flange plate (1) and the second flange plate (2) and the two ends of the telescopic pipe (9) are respectively in threaded connection with first nuts (11), the bolts (4) are in threaded connection with the four corners of the first flange plate (1) and the second flange plate (2), and the falling positions of the first flange plate (1) are respectively provided with a first connecting component (5), The connecting device comprises a second connecting assembly (6), a third connecting assembly (7) and a fourth connecting assembly (8), and the other ends of the first connecting assembly (5), the second connecting assembly (6), the third connecting assembly (7) and the fourth connecting assembly (8) are connected to four corresponding corners of the second flange plate (2).
2. A high-sealability pipeline connection flange according to claim 1, wherein: first connecting element (5) include slide bar (501), flexible packing ring (502), spring (503), second nut (504), slide bar (501) run through first ring flange (1) and second ring flange (2) and screw socket second nut (504), spring (503) activity cup joints slide bar (501) shaft between first ring flange (1) and second ring flange (2) on.
3. A high-sealability flange for pipe connection according to claim 2, wherein: the flexible gasket (502) is movably sleeved on the rod body of the sliding rod (501) between the two ends of the sliding rod (501) and the first flange (1) and the second flange (2).
4. A high-sealability pipeline connection flange according to claim 1, wherein: the structure of the second connecting assembly (6), the third connecting assembly (7) and the fourth connecting assembly (8) is completely the same as that of the first connecting assembly (5), and the mode of connecting the first flange plate (1) and the second flange plate (2) by the second connecting assembly (6), the third connecting assembly (7) and the fourth connecting assembly (8) is the same as that of the first connecting assembly (5).
5. A high-sealability pipeline connection flange according to claim 1, wherein: and a sealing gasket (10) is sleeved on a screw rod of the bolt (4) between the telescopic pipe (9) and the first flange plate (1) and the second flange plate (2).
6. A high-sealability flange for pipe connection according to claim 4, wherein: the rear end faces of the first flange plate (1) and the second flange plate (2) are oppositely connected.
7. A high-sealability flange for pipe connection according to claim 4, wherein: the telescopic pipe (9) is made of steel corrugated pipes.
8. A high-sealability flange for pipe connection according to claim 5, wherein: the size of the sealing washer (10) is consistent with that of the base of the telescopic pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247947.7U CN216408047U (en) | 2021-12-22 | 2021-12-22 | High-sealing flange for pipeline connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123247947.7U CN216408047U (en) | 2021-12-22 | 2021-12-22 | High-sealing flange for pipeline connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216408047U true CN216408047U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123247947.7U Active CN216408047U (en) | 2021-12-22 | 2021-12-22 | High-sealing flange for pipeline connection |
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| Country | Link |
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| CN (1) | CN216408047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
-
2021
- 2021-12-22 CN CN202123247947.7U patent/CN216408047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293121A (en) * | 2023-05-22 | 2023-06-23 | 四川经准特种设备检验有限公司 | Pressure gas pipeline flange joint |
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