CN217683818U - 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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- CN217683818U CN217683818U CN202220905755.6U CN202220905755U CN217683818U CN 217683818 U CN217683818 U CN 217683818U CN 202220905755 U CN202220905755 U CN 202220905755U CN 217683818 U CN217683818 U CN 217683818U
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- flange
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- flange plate
- side wall
- ring flange
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Abstract
The utility model discloses a petrochemical is flange joint device for pipeline convenient to installation, including first ring flange and second ring flange, first ring flange is provided with the bellying on the lateral wall of second ring flange, set up on the lateral wall of second ring flange with the depressed part of bellying adaptation, be provided with locking mechanism on the second ring flange. This flange joint device for petrochemical pipeline convenient to installation, during the connection, the depressed part on aligning the second ring flange with the bellying on the first ring flange inserts, boss on the second ring flange inserts in the spread groove on the first ring flange simultaneously, in the through-hole retracts after the inner wall of spread groove is contradicted to the trigger bar that extends the boss, take the gag lever post to break away from the spacing groove on the locking piece and through the breach retraction recess through the connecting plate in, the locking piece is supported by second compression spring and is pushed away the locking inslot that stretches out the lockhole and stretch into on the spread groove inner wall, with two ring flanges locking together.
Description
Technical Field
The utility model relates to a flange connection technical field relates to a flange connecting device for petrochemical pipeline convenient to installation particularly.
Background
The flange is also called flange or flange, and most of the flanges are provided with a plurality of fixing holes on the periphery of a metal body similar to a disc for connecting other objects, and are commonly used for connecting pipes. The flanges can be divided into threaded flanges, neck butt welding flanges and the like.
According to patent No. CN208951477U, published (announced): 2019-06-07, a petrochemical is flange joint device for pipeline convenient to installation that discloses, including first flange and second flange, petroleum pipeline has all been cup jointed on first flange and the second flange, first clamping ring and second clamping ring have been cup jointed respectively on the petroleum pipeline that first flange and second flange correspond, integrated into one piece has protruding edge on the first clamping ring, it has a plurality of pins all to weld on first clamping ring and the second clamping ring, and the pin welding is close to one side of first flange and one side that the second clamping ring is close to the second flange at first clamping ring, install coupling mechanism jointly on first clamping ring and the second clamping ring. The device can prevent dislocation about both taking place through the flange hole on the first flange of pin cooperation on first clamping ring and the second flange, simultaneously through protruding edge, the first flange of connecting piece laminating and the second flange on the first clamping ring of arc card strip cooperation on the snap ring, can play the same effect for the stability of first flange and second flange is higher.
At present, most of pipelines with large pressure are connected by flanges which are basically fastened together by bolts, a plurality of pipelines need to be connected when the pipelines are installed, and the installation mode of thread fastening is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a petrochemical is flange joint device for pipeline convenient to installation, the flange mounting that aims at using threaded connection when solving the installation pipeline wastes time and energy the problem.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a flange joint device for petrochemical industry pipeline convenient to installation, includes first ring flange and second ring flange, first ring flange is provided with the bellying on the lateral wall towards the second ring flange, seted up on the lateral wall of second ring flange with the depressed part of bellying adaptation, be provided with locking mechanism on the second ring flange, locking mechanism includes the locking piece that removes along vertical direction, locking mechanism is used for making first ring flange locking on the second ring flange.
Preferably, a boss is arranged on the side wall, facing the first flange, of the second flange, grooves are symmetrically formed in the second flange, through holes communicated to the inner sides of the grooves are respectively formed in the side wall, facing the first flange, of the boss, locking holes are symmetrically formed in the side wall of the boss, and a notch communicated to the inner sides of the locking holes is formed in the side wall of the groove.
Preferably, the locking mechanism comprises a connecting plate, one end of the connecting plate is provided with a trigger rod, the other end of the connecting plate is provided with a limiting rod, and a first compression spring is arranged between the connecting plate and the inner wall of the groove.
Preferably, the trigger rod extends to the outer side of the boss through the through hole, and the limiting rod extends to the inner side of the lock hole through the notch.
Preferably, the locking block is arranged in the lock hole in a sliding mode, a limiting groove matched with the limiting rod is formed in the side wall of the locking block, and a second compression spring is arranged between the locking block and the inner wall of the lock hole.
Preferably, a connecting groove matched with the boss is formed in the side wall, facing the second flange, of the first flange, and locking grooves matched with the locking blocks are symmetrically formed in the side wall of the connecting groove.
Preferably, a seal ring is provided in the recess.
In the technical scheme, the utility model provides a pair of flange joint device for petrochemical industry pipeline convenient to installation possesses following beneficial effect: during the connection, aim at the depressed part on the second ring flange with the bellying on the first ring flange and insert, simultaneously in the spread groove on the first ring flange is inserted to the boss on the second ring flange, in the through-hole retracts after the inner wall of spread groove is contradicted to the trigger bar that extends the boss, drive the spacing groove that the gag lever post breaks away from on the locking piece through the connecting plate and through the breach retraction recess in, the locking piece receives second compression spring to support to push away and stretches out the lockhole and stretch into the locking inslot on the spread groove inner wall, with two ring flanges locking together.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural view of a first flange provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second flange provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural view of a second flange provided in an embodiment of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is a schematic cross-sectional view of a flange connection device according to an embodiment of the present invention;
fig. 6 is an enlarged view of fig. 5 at B.
Description of reference numerals:
1. a first flange plate; 11. a boss portion; 12. a locking groove; 2. a second flange plate; 21. a boss; 22. a seal ring; 3. a limiting rod; 31. a first compression spring; 32. a locking block; 33. a limiting groove; 34. a second compression spring.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-6, a flange connection device for petrochemical engineering pipeline convenient to installation, includes first ring flange 1 and second ring flange 2, is provided with bellying 11 on the lateral wall of first ring flange 1 towards second ring flange 2, sets up the depressed part with bellying 11 adaptation on the lateral wall of second ring flange 2, is provided with locking mechanism on the second ring flange 2, and locking mechanism includes along the locking piece 32 of vertical direction removal, and locking mechanism is used for making first ring flange 1 locking on second ring flange 2.
Specifically, the locking mechanism in the above embodiment may be a gear driving rack to push against the locking block 32 for locking, or may be a one-way cylinder to push against the locking block 32 for locking; or a mechanical locking structure known to those skilled in the art.
Among the above-mentioned technical scheme, the locking mechanism who provides, during the connection, the depressed part that aligns on the second ring flange 2 with bellying 11 on the first ring flange 1 inserts, boss 21 on the second ring flange 2 inserts in the spread groove on the first ring flange 1 simultaneously, in the through-hole contracts after the trigger lever that extends boss 21 contradicts the inner wall of spread groove, take limiting groove 33 on the gag lever post 3 breaks away from the locking piece 32 through the connecting plate and through the breach retraction recess, locking piece 32 receives second compression spring 34 to support to push away and stretches out the lockhole and stretch into the locking groove 12 on the spread groove inner wall, with two ring flanges locking together.
As shown in fig. 5-6, a boss 21 is disposed on a side wall of the second flange plate 2 facing the first flange plate 1, a groove is symmetrically disposed on the second flange plate 2, through holes communicated to an inner side of the groove are respectively disposed on side walls of the boss 21 facing the first flange plate 1, lock holes are symmetrically disposed on side walls of the boss 21, a notch communicated to an inner side of the lock hole is disposed on a side wall of the groove, during connection, the protruding portion 11 on the first flange plate 1 is inserted into the recessed portion on the second flange plate 2 in alignment, meanwhile, the boss 21 on the second flange plate 2 is inserted into the connection groove on the first flange plate 1, when a trigger rod extending out of the boss 21 abuts against an inner wall of the connection groove and then retracts into the through hole, the limit rod 3 is separated from the limit groove 33 on the lock block 32 by the connection plate and retracts into the groove through the notch, the lock block 32 is pushed out of the lock hole by the second compression spring 34 and extends into the lock groove 12 on the inner wall of the connection groove, and the two flange plates are locked together.
As shown in fig. 4, the locking mechanism includes a connecting plate, one end of the connecting plate is provided with a trigger rod, the other end is provided with a limiting rod 3, a first compression spring 31 is arranged between the connecting plate and the inner wall of the groove, the first compression spring 31 supports and pushes the connecting plate to keep the trigger rod extending out of a boss 21, and simultaneously keeps the limiting rod 3 extending out of a notch, when in connection, the boss 11 on the first flange 1 is inserted into a recessed portion on the second flange 2 in alignment, the boss 21 on the second flange 2 is inserted into a connecting groove on the first flange 1, when the trigger rod extending out of the boss 21 contacts the inner wall of the connecting groove and then retracts into the through hole, the limiting rod 3 is driven by the connecting plate to be separated from a limiting groove 33 on the lock block 32 and retracts into the groove through the notch, the lock block 32 is pushed out of the lock hole by the second compression spring 34 and extends into a locking groove 12 on the inner wall of the connecting groove, and the two flanges are locked together.
As shown in fig. 4, the trigger lever extends to the outside of the boss 21 through the through hole, the limiting rod 3 extends to the inside of the lock hole through the notch, during connection, the boss 11 on the first flange plate 1 is aligned with the recess on the second flange plate 2 and inserted, meanwhile, the boss 21 on the second flange plate 2 is inserted into the connecting groove on the first flange plate 1, when the trigger lever extending out of the boss 21 is abutted to the inner wall of the connecting groove and then retracted into the through hole, the limiting rod 3 is driven by the connecting plate to be separated from the limiting groove 33 on the lock block 32 and retracted into the groove through the notch, the lock block 32 is pushed by the second compression spring 34 to extend out of the lock hole and extend into the lock groove 12 on the inner wall of the connecting groove, and the two flange plates are locked together.
As shown in fig. 4, the locking block 32 is slidably disposed in the locking hole, a limiting groove 33 adapted to the limiting rod 3 is disposed on a side wall of the locking block 32, a second compression spring 34 is disposed between the locking block 32 and an inner wall of the locking hole, during connection, the protruding portion 11 on the first flange 1 is inserted into the recessed portion on the second flange 2 while the boss 21 on the second flange 2 is inserted into the connecting groove on the first flange 1, when the trigger rod extending out of the boss 21 abuts against an inner wall of the connecting groove and then retracts into the through hole, the limiting rod 3 is separated from the limiting groove 33 on the locking block 32 through the connecting plate and retracts into the groove through the notch, the locking block 32 is pushed out of the locking hole by the second compression spring 34 and extends into the locking groove 12 on the inner wall of the connecting groove, and the two flanges are locked together.
As shown in fig. 6, a connecting groove adapted to the boss 21 is formed in a side wall of the first flange 1 facing the second flange 2, locking grooves 12 adapted to the locking blocks 32 are symmetrically formed in the side wall of the connecting groove, and the locking blocks 32 are matched with the locking grooves 12 to lock and fix the two flanges.
As shown in fig. 4, a seal ring 22 is provided in the recessed portion, and the seal ring 22 fills the gap between the convex portion 11 and the recessed portion to prevent liquid from seeping out.
The working principle is as follows: during the connection, with the bellying 11 on the first ring flange 1 aim at the depressed part on the second ring flange 2 and insert, simultaneously in the spread groove on the first ring flange 1 is inserted to boss 21 on the second ring flange 2, in the through-hole retracts after the inner wall of spread groove is contradicted to the trigger lever that extends boss 21, drive the spacing groove 33 that gag lever post 3 breaks away from on the locking piece 32 through the connecting plate and through the breach retraction recess in, the locking piece 32 is supported by second compression spring 34 and is pushed away and stretch out the lockhole and stretch into the locking groove 12 on the spread groove inner wall, with two ring flanges locking together.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. The flange connecting device for the petrochemical pipeline and convenient to install is characterized by comprising a first flange plate (1) and a second flange plate (2), wherein a protruding portion (11) is arranged on the side wall, facing the second flange plate (2), of the first flange plate (1), a recessed portion matched with the protruding portion (11) is formed in the side wall of the second flange plate (2), a locking mechanism is arranged on the second flange plate (2), the locking mechanism comprises a locking block (32) moving in the vertical direction, and the locking mechanism is used for enabling the first flange plate (1) to be locked on the second flange plate (2);
bosses (21) are arranged on the side wall, facing the first flange plate (1), of the second flange plate (2), grooves are symmetrically formed in the second flange plate (2), through holes communicated with the inner sides of the grooves are formed in the side wall, facing the first flange plate (1), of the bosses (21), lock holes are symmetrically formed in the side wall of the bosses (21), and notches communicated with the inner sides of the lock holes are formed in the side wall of the grooves;
the locking mechanism comprises a connecting plate, one end of the connecting plate is provided with a trigger rod, the other end of the connecting plate is provided with a limiting rod (3), and a first compression spring (31) is arranged between the connecting plate and the inner wall of the groove.
2. The flange connection device convenient to install for petrochemical industry pipeline of claim 1, characterized in that, the trigger bar passes through the through-hole and extends to the outside of boss (21), gag lever post (3) passes through the breach and extends to the inboard of lockhole.
3. The petrochemical pipeline flange connecting device convenient to install according to claim 1, wherein the locking piece (32) is slidably disposed in the locking hole, a limiting groove (33) adapted to the limiting rod (3) is formed in a side wall of the locking piece (32), and a second compression spring (34) is disposed between the locking piece (32) and an inner wall of the locking hole.
4. The flange connecting device for the petrochemical engineering pipeline convenient to install according to claim 1, wherein a connecting groove matched with the boss (21) is formed in the side wall, facing the second flange plate (2), of the first flange plate (1), and locking grooves (12) matched with the locking blocks (32) are symmetrically formed in the side wall of the connecting groove.
5. An easily installable flange connection for petrochemical pipelines according to claim 1, wherein a sealing ring (22) is arranged in the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905755.6U CN217683818U (en) | 2022-04-19 | 2022-04-19 | Petrochemical is flange joint device for pipeline convenient to installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905755.6U CN217683818U (en) | 2022-04-19 | 2022-04-19 | Petrochemical is flange joint device for pipeline convenient to installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683818U true CN217683818U (en) | 2022-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220905755.6U Active CN217683818U (en) | 2022-04-19 | 2022-04-19 | Petrochemical is flange joint device for pipeline convenient to installation |
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| CN (1) | CN217683818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293125A (en) * | 2023-05-12 | 2023-06-23 | 河北鑫泰管道科技有限公司 | Novel flange connection device and method |
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2022
- 2022-04-19 CN CN202220905755.6U patent/CN217683818U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116293125A (en) * | 2023-05-12 | 2023-06-23 | 河北鑫泰管道科技有限公司 | Novel flange connection device and method |
| CN116293125B (en) * | 2023-05-12 | 2023-08-08 | 河北鑫泰管道科技有限公司 | Novel flange connection device and method |
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