CN219413869U - Pressure vessel flange - Google Patents
Pressure vessel flange Download PDFInfo
- Publication number
- CN219413869U CN219413869U CN202320535441.6U CN202320535441U CN219413869U CN 219413869 U CN219413869 U CN 219413869U CN 202320535441 U CN202320535441 U CN 202320535441U CN 219413869 U CN219413869 U CN 219413869U
- Authority
- CN
- China
- Prior art keywords
- flange plate
- mounting
- flange
- fixing
- gasket
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to the technical field of flanges, in particular to a pressure vessel flange which comprises a flange plate a, a flange plate b, a gasket, a positioning block, a fixing mechanism, a fixing part and a sealing ring; the fixing mechanisms are connected with the flange plate a, a plurality of through holes are formed in the flange plate b, and the fixing mechanisms are connected with the through holes in a matched mode; the fixed part is connected with one end of the flange plate a, which is close to the flange plate b, the fixed part and the flange plate a are coaxially distributed, the sealing ring is connected with the outer peripheral surface of the fixed part and compresses the outer peripheral surface of the fixed part, the flange plate b is provided with a matching groove, the fixed part is embedded into the matching groove, and the sealing ring compresses the inner peripheral surface of the matching groove; the flange plate b is provided with a mounting groove, the gasket is connected with the mounting groove, and the surfaces of the flange plate a and the flange plate b are tightly pressed on the two end surfaces of the gasket. According to the utility model, the limiting block is used for pressing the surface of the flange plate b for fixing, and the installation rod can be rotated for installation and disassembly, so that the use is convenient.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a pressure vessel flange.
Background
The pressure vessel is one of the most widely used equipment in the industrial fields of petrochemical industry, electric power, light industry and the like, and is convenient to manufacture and transport due to the process requirements and the requirement of equipment internal part installation and overhaul, and the pressure vessel is often required to adopt a detachable structure. The pressure vessel flange is a flange connected between the cylinder and the seal head, between the cylinder and the cylinder or between the seal head and the tube plate, has the same effect as the tube flange and has a similar appearance, but cannot be interchanged due to different definition of the common diameter.
Chinese patent publication No. CN216555811U discloses a flange for a pressure vessel, comprising a first flange and a second flange, which are connected by bolts; a plurality of connecting blocks are annularly arranged on the connecting surface of the first flange; a fixed block is fixed on the connecting block; the fixed block is a trapezoid block, and the side surface of the fixed block is arc-shaped; a plurality of connecting grooves are formed in the position, matched with the fixed block, of the connecting surface of the second flange; limiting holes are formed in two sides in the connecting groove; a limiting block is connected in the limiting hole in a sliding manner, wherein a part of the limiting block is arranged outside the limiting hole; and a limiting spring is connected between one side, far away from the connecting groove, of the limiting block and the limiting hole. According to the utility model, the fixing block is clamped by the limiting block, so that the connection strength of the first flange and the second flange is improved, and the assembly speed of the first flange and the second flange is accelerated.
However, the technical scheme has the following defects: two flanges in the flange for the pressure vessel are connected together through the cooperation of the fixed block and the limiting block, but the two flanges are inconvenient to detach, the fixed block compresses the limiting block, and the fixed block or the limiting block is easy to damage during detachment.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a pressure vessel flange.
The technical scheme of the utility model is as follows: a pressure vessel flange comprises a flange plate a, a flange plate b, a gasket, a positioning block, a fixing mechanism, a fixing part and a sealing ring;
the plurality of fixing mechanisms are connected with the flange plate a, the plurality of fixing mechanisms are uniformly distributed on the circumference of the flange plate a, the flange plate b is provided with a plurality of through holes, the plurality of through holes are uniformly distributed on the circumference of the flange plate b, the through holes correspond to the fixing mechanisms one by one, and the fixing mechanisms are connected with the through holes in a matched manner;
the fixed part is connected with one end of the flange plate a, which is close to the flange plate b, the fixed part and the flange plate a are coaxially distributed, the sealing ring is connected with the outer peripheral surface of the fixed part and compresses the outer peripheral surface of the fixed part, the flange plate b is provided with a matching groove, the fixed part is embedded into the matching groove, and the sealing ring compresses the inner peripheral surface of the matching groove;
the flange plate b is provided with a mounting groove, the gasket is connected with the mounting groove, and the surfaces of the flange plate a and the flange plate b are pressed against the two end surfaces of the gasket;
the fixing mechanism comprises a mounting rod, a limiting block, a mounting part, a screw rod and a spring;
the installation department flange dish a's surface, installation department are hollow structure, the one end of installation pole is connected to the screw rod, screw rod and installation pole coaxial distribution, screw rod and installation department screw thread fit connection, screw rod and installation department coaxial distribution, the stopper is equipped with two, be equipped with two spouts on the installation pole, two spouts are at the outer peripheral face symmetric distribution of installation pole, two stopper sliding connection spouts respectively, the spring is equipped with two, stopper and spout are connected respectively at the both ends of two springs, the one end of keeping away from the screw rod on the installation pole is equipped with the recess.
Preferably, the flange plate a is provided with two blind holes, the two blind holes are symmetrically distributed on the flange plate a, the flange plate b is provided with positioning blocks, the positioning blocks are symmetrically distributed on the flange plate b, and the two positioning blocks are respectively connected with the two blind holes in a matched mode.
Preferably, the projection shape of the gasket is annular, and the shape of the mounting groove corresponds to the gasket.
Preferably, the projection shape of the groove is regular hexagon.
Preferably, the outer diameter values of the mounting portion and the mounting rod are smaller than the inner circumferential surface of the through hole.
Preferably, the projection shape of the fixing portion is annular.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: according to the utility model, firstly, a gasket is embedded into a mounting groove, a plurality of fixing mechanisms on a flange plate a penetrate through a plurality of through holes on a flange plate b, two limiting blocks on a mounting rod are pressed, the limiting blocks squeeze a spring, the limiting blocks are embedded into a sliding groove, the mounting rod and a mounting part penetrate through the through holes, the limiting blocks are loosened, the spring pushes out the limiting blocks, the mounting rod is rotated by using an inner hexagonal wrench through a groove, the mounting rod drives a screw to rotate, the screw is in threaded fit connection with the mounting part, the screw drives the mounting rod to move towards the direction close to the mounting part, one ends of the two limiting blocks are pressed against the surface of the flange plate b to further fix the two flange plates together, a positioning block is in fit connection with a blind hole, so that the flange plate a and the flange plate b are kept coaxially distributed, the fixing parts are embedded into a fit groove, and a sealing ring is pressed against the fit groove to enhance the sealing property of the flange plate; according to the utility model, the limiting block is used for pressing the surface of the flange plate b for fixing, and the installation rod can be rotated for installation and disassembly, so that the use is convenient.
Drawings
Fig. 1 is a perspective view of an embodiment of the present utility model.
Fig. 2 and fig. 3 are schematic structural views of a flange of a pressure vessel according to the present utility model.
Fig. 4 is a schematic structural diagram of fig. 2 a.
Reference numerals: 1. a flange plate a; 2. a flange plate b; 3. a mounting rod; 4. a limiting block; 5. a groove; 6. a mating groove; 7. a gasket; 8. a positioning block; 9. a through hole; 10. a mounting groove; 11. a mounting part; 12. a screw; 13. a spring; 14. a blind hole; 15. a fixing mechanism; 16. a fixing part; 17. and (3) sealing rings.
Detailed Description
Example 1
As shown in fig. 1-4, the pressure vessel flange provided by the utility model comprises a flange plate a1, a flange plate b2, a gasket 7, a positioning block 8, a fixing mechanism 15, a fixing part 16 and a sealing ring 17;
the plurality of fixing mechanisms 15 are arranged, the plurality of fixing mechanisms 15 are connected with the flange plate a1, the plurality of fixing mechanisms 15 are uniformly distributed on the circumference of the flange plate a1, the flange plate b2 is provided with a plurality of through holes 9, the plurality of through holes 9 are uniformly distributed on the circumference of the flange plate b2, the through holes 9 are in one-to-one correspondence with the fixing mechanisms 15, and the fixing mechanisms 15 are matched and connected with the through holes 9;
further, two blind holes 14 are formed in the flange plate a1, the two blind holes 14 are symmetrically distributed on the flange plate a1, positioning blocks 8 are arranged on the flange plate b2, the positioning blocks 8 are symmetrically distributed on the flange plate b2, and the two positioning blocks 8 are respectively connected with the two blind holes 14 in a matched mode, so that the flange plate a1 and the flange plate b2 are coaxially distributed when being installed;
the fixed part 16 is connected with one end of the flange plate a1, which is close to the flange plate b2, the fixed part 16 and the flange plate a1 are coaxially distributed, the sealing ring 17 is connected with the outer peripheral surface of the fixed part 16 and compresses the outer peripheral surface of the fixed part 16, the flange plate b2 is provided with the matching groove 6, the fixed part 16 is embedded into the matching groove 6, and the sealing ring 17 compresses the inner peripheral surface of the matching groove 6;
further, the projection shape of the fixing portion 16 is annular;
the flange plate b2 is provided with a mounting groove 10, the gasket 7 is connected with the mounting groove 10, and the surfaces of the flange plate a1 and the flange plate b2 are pressed against the two end surfaces of the gasket 7;
further, the projection shape of the gasket 7 is annular, and the shape of the mounting groove 10 corresponds to the gasket 7;
the fixing mechanism 15 comprises a mounting rod 3, a limiting block 4, a mounting part 11, a screw 12 and a spring 13;
the mounting part 11 is connected with the surface of the flange plate a1, the mounting part 11 is of a hollow structure, the screw rod 12 is connected with one end of the mounting rod 3, the screw rod 12 is coaxially distributed with the mounting rod 3, the screw rod 12 is in threaded fit connection with the mounting part 11, the screw rod 12 is coaxially distributed with the mounting part 11, two limiting blocks 4 are arranged on the mounting rod 3, two sliding grooves are symmetrically distributed on the peripheral surface of the mounting rod 3, the two limiting blocks 4 are respectively and slidably connected with the sliding grooves, the springs 13 are provided with two, two ends of each of the two springs 13 are respectively connected with the limiting blocks 4 and the sliding grooves, and a groove 5 is formed in one end, far away from the screw rod 12, of the mounting rod 3;
further, the outer diameter values of the mounting portion 11 and the mounting rod 3 are smaller than the inner peripheral surface of the through hole 9;
further, the projection shape of the groove 5 is regular hexagon, and the inner hexagonal wrench is convenient to install, disassemble and use.
According to the utility model, firstly, a gasket 7 is embedded into an installation groove 10, a plurality of fixing mechanisms 15 on a flange plate a1 penetrate through a plurality of through holes 9 on a flange plate b2, two limiting blocks 4 on an installation rod 3 are pressed, the limiting blocks 4 squeeze springs 13, the limiting blocks 4 are embedded into the sliding grooves, the installation rod 3 and an installation part 11 penetrate through the through holes 9, the limiting blocks 4 are loosened, the limiting blocks 4 are pushed out by the springs 13, the installation rod 3 is rotated by using an inner hexagonal wrench through a groove 5, the installation rod 3 drives a screw rod 12 to rotate, the screw rod 12 is in threaded fit connection with the installation part 11, the screw rod 12 drives the installation rod 3 to move towards the direction close to the installation part 11, one ends of the two limiting blocks 4 press the surface of the flange plate b2 to further fix the two flange plates together, a positioning block 8 is in fit connection with a blind hole 14, the flange plate a1 and the flange plate b2 keep coaxial distribution, the fixing parts 16 are embedded into a fit groove 6, a seal ring 17 is pressed against the fit groove 6, and the tightness of the flange plate is enhanced; according to the utility model, the limiting block 4 is used for pressing the surface of the flange plate b2 for fixing, and the rotary mounting rod 3 can be conveniently mounted and dismounted.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (6)
1. The pressure vessel flange is characterized by comprising a flange plate a (1), a flange plate b (2), a gasket (7), a positioning block (8), a fixing mechanism (15), a fixing part (16) and a sealing ring (17);
the fixing mechanisms (15) are provided with a plurality of fixing mechanisms (15) which are connected with the flange plate a (1), the plurality of fixing mechanisms (15) are uniformly distributed on the circumference of the flange plate a (1), the flange plate b (2) is provided with a plurality of through holes (9), the plurality of through holes (9) are uniformly distributed on the circumference of the flange plate b (2), the through holes (9) are in one-to-one correspondence with the fixing mechanisms (15), and the fixing mechanisms (15) are connected with the through holes (9) in a matching way;
the fixing part (16) is connected with one end, close to the flange plate b (2), of the flange plate a (1), the fixing part (16) and the flange plate a (1) are coaxially distributed, the sealing ring (17) is connected with the outer peripheral surface of the fixing part (16) and compresses the outer peripheral surface of the fixing part (16), the flange plate b (2) is provided with the matching groove (6), the fixing part (16) is embedded into the matching groove (6), and the sealing ring (17) compresses the inner peripheral surface of the matching groove (6);
the flange plate b (2) is provided with a mounting groove (10), the gasket (7) is connected with the mounting groove (10), and the surfaces of the flange plate a (1) and the flange plate b (2) are pressed against the two end surfaces of the gasket (7);
the fixing mechanism (15) comprises a mounting rod (3), a limiting block (4), a mounting part (11), a screw rod (12) and a spring (13);
the mounting part (11) is connected with the surface of the flange plate a (1), the mounting part (11) is of a hollow structure, the screw rod (12) is connected with one end of the mounting rod (3), the screw rod (12) is coaxially distributed with the mounting rod (3), the screw rod (12) is connected with the mounting part (11) in a threaded fit manner, the screw rod (12) is coaxially distributed with the mounting part (11), the limiting blocks (4) are provided with two sliding grooves, the two sliding grooves are symmetrically distributed on the outer peripheral surface of the mounting rod (3), the two limiting blocks (4) are respectively connected with the sliding grooves in a sliding manner, the springs (13) are provided with two, two ends of each of the two springs (13) are respectively connected with the limiting blocks (4) and the sliding grooves, and one end, far away from the screw rod (12), of the mounting rod (3) is provided with the groove (5).
2. A pressure vessel flange according to claim 1, characterized in that the flange plate a (1) is provided with two blind holes (14), the two blind holes (14) are symmetrically distributed on the flange plate a (1), the flange plate b (2) is provided with positioning blocks (8), the positioning blocks (8) are symmetrically distributed on the flange plate b (2), and the two positioning blocks (8) are respectively connected with the two blind holes (14) in a matching way.
3. A pressure vessel flange according to claim 1, characterized in that the gasket (7) has a ring-shaped projection, and that the mounting groove (10) has a shape corresponding to the gasket (7).
4. A pressure vessel flange according to claim 1, characterized in that the projection of the recess (5) is regular hexagonal.
5. A pressure vessel flange according to claim 1, characterized in that the outer diameter of the mounting portion (11) and the mounting stem (3) is smaller than the inner circumferential surface of the through hole (9).
6. A pressure vessel flange according to claim 1, characterized in that the projection of the fixing portion (16) is annular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535441.6U CN219413869U (en) | 2023-03-14 | 2023-03-14 | Pressure vessel flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320535441.6U CN219413869U (en) | 2023-03-14 | 2023-03-14 | Pressure vessel flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219413869U true CN219413869U (en) | 2023-07-25 |
Family
ID=87244291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320535441.6U Active CN219413869U (en) | 2023-03-14 | 2023-03-14 | Pressure vessel flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219413869U (en) |
-
2023
- 2023-03-14 CN CN202320535441.6U patent/CN219413869U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219413869U (en) | Pressure vessel flange | |
| US3334773A (en) | Fluid motor with removable-locking end closure unit | |
| CN210003996U (en) | quick joint | |
| CN214197257U (en) | Pneumatic control valve convenient to dismouting | |
| CN109268592B (en) | Connecting device suitable for transformer oil drain valve | |
| CN207906652U (en) | A kind of connector for steel-plastics composite pipe | |
| CN213900235U (en) | Gas transmission pipeline flange | |
| CN212564764U (en) | Novel waterproof structure of wall-penetrating pipeline | |
| CN211292306U (en) | Flange gland type pressure test mould for floating head heat exchanger | |
| CN211292377U (en) | Self-tapping screw type pressure test mould for floating head heat exchanger gland | |
| CN208138646U (en) | A kind of pinching flange | |
| CN219504027U (en) | Diaphragm gasket welding installation device | |
| CN218462063U (en) | Corrugated pipe disassembling tool | |
| CN215600960U (en) | Modified polypropylene cable protection pipe convenient to dismouting | |
| CN219866731U (en) | Elastic connection structure of opening thread | |
| CN2791433Y (en) | Large-diameter metal sealed loose flange | |
| CN218094493U (en) | Thread valve seal mounting structure | |
| CN214839089U (en) | High-strength flange convenient to assemble and disassemble | |
| CN219065840U (en) | Clamp spring type thread pressing ring for optical instrument | |
| CN220481612U (en) | High-pressure bidirectional sealing gate valve disassembly auxiliary device | |
| CN212929087U (en) | Welding-free flange device | |
| CN217951569U (en) | Double-end mechanical seal spare | |
| CN218152580U (en) | Flange gate valve of scalable installation | |
| CN219404167U (en) | Special dismounting tool for special nuts | |
| CN212480425U (en) | Valve body convenient to change |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |