CN214405054U - Petrochemical is flange joint device for pipeline convenient to installation - Google Patents
Petrochemical is flange joint device for pipeline convenient to installation Download PDFInfo
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- CN214405054U CN214405054U CN202120059140.1U CN202120059140U CN214405054U CN 214405054 U CN214405054 U CN 214405054U CN 202120059140 U CN202120059140 U CN 202120059140U CN 214405054 U CN214405054 U CN 214405054U
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Abstract
The utility model relates to a flange connecting device for petrochemical industry pipeline convenient to installation, which relates to the technical field of flange connection, in particular to a flange connecting device for petrochemical industry pipeline convenient to installation, comprising a first flange fixedly connected with one end of a first pipeline and a second flange fixedly connected with one end of a second pipeline, wherein the first flange and the second flange are connected through a connecting structure convenient to disassemble and connect, and the central axes of the first flange and the second flange are positioned on the same straight line; the connecting structure comprises a plurality of bolts which are uniformly distributed along the axial direction of the first flange or the second flange, and the bolts penetrate through the first flange and the second flange and are connected with nuts; the utility model discloses when the user uses, only need to rotate the connecting plate and just can drive a plurality of second gear rotation, easy operation, labour saving and time saving realizes the installation and the dismantlement to all bolts and nuts, and does not need use tools when installation and dismantlement, has saved user's time, energy.
Description
Technical Field
The utility model relates to a flange joint technical field specifically is a flange connecting device for petrochemical pipeline convenient to installation.
Background
Flange joint is just two pipelines, pipe fittings or equipment, fixes respectively on a ring flange earlier, then adds the flange pad between two ring flanges, and two ring flanges are taut with the bolt and are made its detachable joint that combines closely together finally, and flange joint mode can generally divide into five: namely flat welding, butt welding, socket welding, loose sleeve and screw thread.
The existing flange needs to operate bolts one by one when being installed and detached, the bolts at the bottom of the flange are inconvenient to operate, user time is wasted, and therefore the flange connecting device for the petrochemical engineering pipeline is convenient to install and is designed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model discloses a flange joint device for petrochemical pipeline convenient to installation to solve the problem that proposes in the above-mentioned background art.
The utility model relates to a flange connecting device for petrochemical engineering pipeline convenient to installation, which comprises a first flange fixedly connected with one end of a first pipeline and a second flange fixedly connected with one end of a second pipeline, wherein the first flange and the second flange are connected through a connecting structure convenient to disassemble and connect, and the central axes of the first flange and the second flange are positioned on the same straight line;
the connecting structure comprises a plurality of bolts which are uniformly distributed along the axial direction of the first flange or the second flange, the bolts penetrate through the first flange and the second flange and are connected with nuts, and the central axes of the bolts are parallel to the central axis of the first flange;
the nuts are all connected with the same nut circumferential limiting device, the bolts are all connected with the same bolt circumferential limiting device, and the first flange and the second flange are both positioned in the area between the nut circumferential limiting device and the bolt circumferential limiting device;
when the nut circumferential limiting device or the bolt circumferential limiting device drives the nut or the bolt to rotate relative to the connected bolt or nut around the axis of the nut or the bolt, the nut is close to or far away from the bolt head on the bolt along the axial direction of the bolt, and the first flange and the second flange are fastened or separated.
Preferably, the bolt circumferential limiting device is rotatably connected with the first flange.
Preferably, the bolt circumferential limiting device comprises a first gear and second gears the number of which is the same as that of the bolts, the second gears are rotationally connected with the first flange, one end of each bolt penetrates through the second gears, the first flanges and the second flanges and then is connected with the bolts, the bolt heads of the bolts are circumferentially clamped with the second gears, and the second gears are uniformly distributed along the circumferential direction of the first gears and are meshed with the first gears.
Preferably, a stepped through hole is formed in the center of the second gear, an inner hexagonal hole matched with the bolt head is formed in one end close to the nut, a round hole is formed in one end far away from the nut, the diameter of an outer circle of the inner hexagonal hole is smaller than that of the round hole, and the second gear is rotatably connected with the first flange through a bearing installed in the round hole.
Preferably, the bearing is a flat bearing.
Preferably, the gear box further comprises an annular connecting plate, and the annular connecting plate is fixedly connected with the first gear.
Preferably, the connecting plate is connected to the first flange by an axial stop means.
Preferably, nut circumference stop device includes annular rotating plate, the rotating plate is provided with the same blind hole of figure and nut quantity on the one side towards the second flange, the blind hole cross section is the hexagon of matcing with the nut, and when the bolt around its own axis, the nut that this bolt is connected moves along the blind hole axial.
Preferably, the rotating plate is connected to the second flange by an axial stop means.
Or preferably, the axial limiting device comprises an annular clamping block and an annular limiting groove matched with the annular clamping block, the annular clamping block is fixedly connected with the connecting plate or the rotating plate, and the limiting groove is arranged corresponding to the annular clamping block and is arranged on the first flange or the second flange;
the annular fixture block comprises an annular limiting plate, the plane of the annular limiting plate is parallel to the plane of the connecting plate or the rotating plate, and the limiting plate is fixedly connected with the connecting plate or the rotating plate through a middle plate of the hollow cylinder;
the annular limiting groove comprises an annular groove and an annular channel, the annular limiting plate is arranged in the annular groove in a matching mode, and the intermediate plate is arranged in the annular channel.
The utility model discloses a set up rotor plate, connecting plate, first gear, second gear and flat bearing, when the user used, only need to rotate the connecting plate and just can drive a plurality of second gear rotations, easy operation, labour saving and time saving realizes the installation and the dismantlement to all bolts and nuts, and does not need use tools when installation and dismantlement, has saved user's time, energy.
The utility model discloses a set up all to have seted up annular spacing groove on first flange and the second flange, annular spacing inslot portion all is equipped with annular fixture block, an annular fixture block and connecting plate fixed connection, another annular fixture block and rotor plate fixed connection realize that the connecting plate rotates with the second flange to be connected, and realized that rotor plate and first flange rotate to be connected.
The utility model discloses simple structure, convenient operation utilizes connection structure to realize the convenient connection and the dismantlement of first flange and second flange, saves manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a left side sectional view of the first flange portion of the present invention.
Fig. 3 is a cross-sectional view of a first flange portion of the present invention.
Fig. 4 is a right side sectional view of the second flange of the present invention.
Reference numerals: 1-a first pipeline, 2-a second pipeline, 3-a first flange, 4-a second flange and 5-a rotating plate; 501-blind hole, 6-connecting plate, 7-first gear, 8-second gear, 801-internal hexagonal hole, 9-bolt, 10-annular groove, 11-annular limiting plate, 12-plane bearing and 13-nut.
Detailed Description
The utility model relates to a petrochemical pipeline flange connecting device convenient to install, which comprises a first flange 3 fixedly connected with one end of a first pipeline 1 and a second flange 4 fixedly connected with one end of a second pipeline 2, wherein the first flange 3 and the second flange 4 are connected through a connecting structure convenient to disassemble and connect, and the central axes of the first flange 3 and the second flange 4 are positioned on the same straight line;
the connecting structure comprises a plurality of bolts 9 which are uniformly distributed along the axial direction of the first flange 3 or the second flange 4, the bolts 9 penetrate through the first flange 3 and the second flange 4 and are connected with nuts 13, and the central axes of the bolts 9 are parallel to the central axis of the first flange 3;
the nuts 13 are all connected with the same nut 13 circumferential limiting device, the bolts 9 are all connected with the same bolt 9 circumferential limiting device, and the first flange 3 and the second flange 4 are both positioned in the area between the nut 13 circumferential limiting device and the bolt 9 circumferential limiting device;
when the nut 13 or the bolt 9 circumferential limiting device drives the nut 13 or the bolt 9 to rotate around the axis of the nut 13 or the bolt 9 and the connected bolt 9 or the nut 13, the nut 13 is close to or far away from the head of the bolt 9 on the bolt 9 along the axial direction of the bolt 9, and the first flange 3 and the second flange 4 are fastened or separated.
The bolt 9 circumferential limiting device is rotationally connected with the first flange 3.
The center of the second gear 8 is provided with a stepped through hole, one end close to the nut 13 is an inner hexagonal hole 801 matched with the head of the bolt 9, one end far away from the nut 13 is a round hole, the diameter of the outer circle of the inner hexagonal hole 801 is smaller than that of the round hole, and the second gear 8 is rotatably connected with the first flange 3 through a bearing installed in the round hole.
The bearing is a flat bearing 12.
The gear box further comprises an annular connecting plate 6, and the annular connecting plate 6 is fixedly connected with a first gear 7.
The connecting plate 6 is connected with the first flange 3 through an axial limiting device.
The nut 13 circumference stop device includes annular rotor plate 5, be provided with the same blind hole 501 of figure and nut 13 quantity on the rotor plate 5 orientation second flange 4 one side, the blind hole 501 cross section is the hexagon that matches with nut 13, and when bolt 9 around its own axis, the nut 13 that this bolt 9 is connected moves along blind hole 501 axial.
The rotating plate 5 is connected with the second flange 4 through an axial limiting device.
The axial limiting device comprises an annular clamping block and an annular limiting groove matched with the annular clamping block, the annular clamping block is fixedly connected with the connecting plate 6 or the rotating plate 5, and the limiting groove is arranged corresponding to the annular clamping block and is arranged on the first flange 3 or the second flange 4;
the annular fixture block comprises an annular limiting plate 11, the plane of the annular limiting plate 11 is parallel to the plane of the connecting plate 6 or the rotating plate 5, and the limiting plate is fixedly connected with the connecting plate 6 or the rotating plate 5 through a hollow cylinder intermediate plate;
the annular limiting groove comprises an annular groove 10 and an annular channel, the annular limiting plate 11 is arranged in the annular groove 10 in a matching mode, and the intermediate plate is arranged in the annular channel.
When the user uses, when needing the installation the utility model discloses the time, at first rotate connecting plate 6, connecting plate 6 rotates and drives annular fixture block and rotate at annular spacing inslot portion, connecting plate 6 moves and drives first gear 7 motion, because first gear 7 and the meshing of second gear 8, first gear 7 rotates and drives second gear 8 and rotate, second gear 8 rotates and drives bolt 9 and rotate around its self the central axis, bolt 9 rotates and drives nut 13 at blind hole 501 internal motion, only need rotate connecting plate 6 has been reached, just can realize the purpose of the first flange of easy to assemble 3 and second flange 4, dismantle when changing first pipeline 1 or first pipeline 1 in needs, otherwise can.
This device is through setting up rotor plate 5, connecting plate 6, first gear 7, second gear 8 and planar bearing 12, and when the user used, only need rotate connecting plate 6 and just can drive a plurality of second gears 8 and rotate, easy operation, labour saving and time saving realizes the installation and the dismantlement to all bolts 9 and nut 13, and does not need use tools when installation and dismantlement, has saved user's time, energy.
The utility model discloses a set up rotor plate 5, connecting plate 6, first gear 7, second gear 8 and planar bearing 12, when the user uses, only need to rotate connecting plate 6 and just can drive a plurality of second gears 8 and rotate, easy operation, labour saving and time saving realizes the installation and the dismantlement to all bolts 9 and nut 13, and does not need use tools when installation and dismantlement, has saved user's time, energy.
The utility model discloses a set up all to have seted up annular spacing groove on first flange 3 and the second flange 4, annular spacing inslot portion all is equipped with annular fixture block, an annular fixture block and 6 fixed connection of connecting plate, another annular fixture block and 5 fixed connection of rotor plate realize that connecting plate 6 rotates with second flange 4 to be connected, and realized rotor plate 5 and first flange 3 and rotate to be connected.
The utility model discloses simple structure, convenient operation utilizes connection structure to realize the convenient connection and the dismantlement of first flange 3 and second flange 4, saves manufacturing cost.
Claims (10)
1. A flange connecting device for petrochemical pipelines convenient to mount comprises a first flange (3) fixedly connected with one end of a first pipeline (1) and a second flange (4) fixedly connected with one end of a second pipeline (2), wherein the first flange (3) and the second flange (4) are connected through a connecting structure convenient to detach and connect, and the central axes of the first flange (3) and the second flange (4) are positioned on the same straight line;
the connecting structure is characterized by comprising a plurality of bolts (9) which are uniformly distributed along the axial direction of the first flange (3) or the second flange (4), wherein the bolts (9) penetrate through the first flange (3) and the second flange (4) and are connected with nuts (13), and the central axes of the bolts (9) are parallel to the central axis of the first flange (3);
the nuts (13) are connected with the same nut (13) circumferential limiting device, the bolts (9) are connected with the same bolt (9) circumferential limiting device, and the first flange (3) and the second flange (4) are located in the area between the nut (13) circumferential limiting device and the bolt (9) circumferential limiting device;
when the nut (13) or the bolt (9) is driven by the circumferential limiting device of the nut (13) or the circumferential limiting device of the bolt (9) to rotate around the axis of the nut (13) or the bolt (9) relative to the connected bolt (9) or the nut (13), the nut (13) is close to or far away from the head of the bolt (9) on the bolt (9) along the axial direction of the bolt (9), and the first flange (3) and the second flange (4) are fastened or separated.
2. A flange connection device for petrochemical pipelines, which is easy to install according to claim 1, characterized in that the circumferential limiting device of the bolt (9) is rotatably connected with the first flange (3).
3. The flange connecting device for the petrochemical engineering pipeline convenient to install according to claim 2, wherein the bolt (9) circumferential limiting device comprises a first gear (7) and second gears (8) the number of which is the same as that of the bolts (9), the second gears (8) are rotatably connected with the first flange (3), one end of each bolt (9) penetrates through the second gear (8), the first flange (3) and the second flange (4) and then is connected with the bolt (9), the head of each bolt (9) is circumferentially clamped with the second gear (8), and the second gears (8) are circumferentially and uniformly distributed along the first gear (7) and are meshed with the first gear (7).
4. The flange connecting device for the petrochemical engineering pipeline convenient to install according to claim 3, wherein a stepped through hole is formed in the center of the second gear (8), an inner hexagonal hole (801) matched with the head of the bolt (9) is formed in one end close to the nut (13), a round hole is formed in one end far away from the nut (13), the diameter of the circumscribed circle of the inner hexagonal hole (801) is smaller than that of the round hole, and the second gear (8) is rotatably connected with the first flange (3) through a bearing installed in the round hole.
5. A flange connection for petrochemical pipelines, facilitating installation according to claim 4, wherein said bearings are flat bearings (12).
6. A petrochemical pipeline flange connecting device convenient to install according to claim 5, characterized by further comprising an annular connecting plate (6), wherein the annular connecting plate (6) is fixedly connected with the first gear (7).
7. A flange connection for petrochemical pipelines, facilitating installation according to claim 6, wherein the connection plate (6) is connected to the first flange (3) by means of an axial stop.
8. The petrochemical pipeline flange connecting device convenient to install as claimed in claim 3, wherein the nut (13) circumferential limiting device comprises an annular rotating plate (5), one surface of the rotating plate (5) facing the second flange (4) is provided with blind holes (501) with the number equal to that of the nuts (13), the cross section of each blind hole (501) is hexagonal and matched with the corresponding nut (13), and when the bolt (9) winds the axis of the bolt (9), the nut (13) connected with the bolt (9) axially moves along the blind hole (501).
9. A flange connection for petrochemical pipelines facilitating installation according to claim 8, wherein the rotating plate (5) is connected to the second flange (4) by means of an axial stop.
10. The petrochemical pipeline flange connecting device convenient to install according to claim 7 or 9, wherein the axial limiting device comprises an annular clamping block and an annular limiting groove matched with the annular clamping block, the annular clamping block is fixedly connected with the connecting plate (6) or the rotating plate (5) where the annular clamping block is located, and the limiting groove is arranged corresponding to the annular clamping block and arranged on the first flange (3) or the second flange (4);
the annular clamping block comprises an annular limiting plate (11), the plane of the annular limiting plate (11) is parallel to the plane of the connecting plate (6) or the rotating plate (5), and the limiting plate is fixedly connected with the connecting plate (6) or the rotating plate (5) through a hollow cylinder intermediate plate;
the annular limiting groove comprises an annular groove (10) and an annular channel, the annular limiting plate (11) is arranged in the annular groove (10) in a matched mode, and the intermediate plate is arranged in the annular channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059140.1U CN214405054U (en) | 2021-01-11 | 2021-01-11 | Petrochemical is flange joint device for pipeline convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120059140.1U CN214405054U (en) | 2021-01-11 | 2021-01-11 | Petrochemical is flange joint device for pipeline convenient to installation |
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| Publication Number | Publication Date |
|---|---|
| CN214405054U true CN214405054U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120059140.1U Active CN214405054U (en) | 2021-01-11 | 2021-01-11 | Petrochemical is flange joint device for pipeline convenient to installation |
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| CN (1) | CN214405054U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199837A (en) * | 2022-06-29 | 2022-10-18 | 江苏瑞阳环保有限公司 | Energy-saving pump truck structure for flood control based on multiple sealing device |
| CN115388259A (en) * | 2022-10-07 | 2022-11-25 | 北京工业大学 | Flange connecting device convenient to quick connection and disassembly |
| CN117722336A (en) * | 2024-02-07 | 2024-03-19 | 齐齐哈尔黎明气体有限公司 | Air supply device for pressure recovery of storage tank |
-
2021
- 2021-01-11 CN CN202120059140.1U patent/CN214405054U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199837A (en) * | 2022-06-29 | 2022-10-18 | 江苏瑞阳环保有限公司 | Energy-saving pump truck structure for flood control based on multiple sealing device |
| CN115199837B (en) * | 2022-06-29 | 2023-11-24 | 江苏瑞阳环保有限公司 | Energy-saving type flood control pump truck structure based on multiple sealing devices |
| CN115388259A (en) * | 2022-10-07 | 2022-11-25 | 北京工业大学 | Flange connecting device convenient to quick connection and disassembly |
| CN115388259B (en) * | 2022-10-07 | 2024-06-04 | 北京工业大学 | Flange connection device convenient to quick connect split |
| CN117722336A (en) * | 2024-02-07 | 2024-03-19 | 齐齐哈尔黎明气体有限公司 | Air supply device for pressure recovery of storage tank |
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