CN219588350U - Anti-drop sealing flange structure - Google Patents
Anti-drop sealing flange structure Download PDFInfo
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- CN219588350U CN219588350U CN202320437884.1U CN202320437884U CN219588350U CN 219588350 U CN219588350 U CN 219588350U CN 202320437884 U CN202320437884 U CN 202320437884U CN 219588350 U CN219588350 U CN 219588350U
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- flange
- sealing gasket
- connecting pipe
- sealing
- clamping
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- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to the technical field of flange manufacture, in particular to an anti-drop sealing flange structure, which comprises a first connecting pipe, a first flange, a second flange, a plurality of first bolts, a first sealing gasket and a second sealing gasket; a first flange and a second flange are respectively arranged at two ends of the first connecting pipe; a plurality of first threaded holes are formed in the first flange and the second flange, and annular mounting grooves are formed in the first flange and the second flange; a plurality of limiting plates are arranged in each annular mounting groove; the first sealing gasket and the second sealing gasket are respectively arranged in the two annular mounting grooves; the end face, far away from the first sealing gasket, of the second sealing gasket is provided with a plurality of rubber clamping blocks; the first flanges are connected with the second flanges through a plurality of first bolts. According to the utility model, the gaps generated in the annular mounting groove are filled in time through the first sealing gasket and the second sealing gasket, so that the tightness of the first flange and the second flange is improved, and meanwhile, vibration between the first flange piece and the second flange piece is reduced conveniently.
Description
Technical Field
The utility model relates to the technical field of flange manufacturing, in particular to an anti-drop sealing flange structure.
Background
Flanges, also called flange discs or flanges, are parts of the pipe-to-pipe connection for the connection between pipe ends and also for the connection between two devices, for flanges on the device inlet and outlet. The flange in the existing market is mostly fastened and connected through bolts when being connected, the sealing rubber ring is mostly placed on the sealing performance to realize sealing, because the flange can be subjected to larger pressure impact in the pressure container, the driven fastening sealing is easy to cause loosening and falling off under the pressure impact and the problem that the sealing performance is reduced and leaked, the flange structure with high anti-falling sealing performance is lacking, in addition, the flange connection part is easy to produce extrusion or loosening under the action of external force or the action of self thermal expansion and cold contraction deformation, on one hand, the problem of unsmooth connection is caused, and on the other hand, the flange extrusion deformation is easy to be damaged.
The Chinese patent with the publication number of CN215635583U discloses an anti-drop sealing flange, a connecting ring is fixed at the edge position of one side of a first flange plate, one end of a second flange plate is inserted into the connecting ring, the other end of the second flange plate is fixedly provided with an annular clamping table, a plurality of first threaded through holes are transversely penetrated and arranged on the connecting ring and the first flange plate, a plurality of second threaded through holes are transversely penetrated and arranged on the annular clamping table, a first fastening bolt is penetrated and arranged between the second threaded through holes and the first threaded through holes and fixed by nuts, a plurality of third threaded through holes are longitudinally penetrated and arranged on the connecting ring, a plurality of threaded counter bores are formed in the second flange plate at intervals, and a second fastening bolt is penetrated and arranged in the third threaded through holes and the threaded counter bores. The first flange piece and the second flange piece are firmly connected, and the sealing performance is strong.
However, the above device cannot seal and fill the crush looseness of the first flange piece and the second flange piece, and cannot reduce vibration between the first flange piece and the second flange piece.
Disclosure of Invention
The utility model aims at solving the problems in the background art and provides an anti-drop sealing flange structure which is convenient for reducing vibration between a first flange piece and a second flange piece.
The technical scheme of the utility model is as follows: an anti-drop sealing flange structure comprises a first connecting pipe, a first flange, a second flange, a plurality of first bolts, a first sealing gasket and a second sealing gasket;
a first flange and a second flange are respectively arranged at two ends of the first connecting pipe; a plurality of first threaded holes are formed in the first flange and the second flange, and annular mounting grooves are formed in the end faces, away from each other, of the first flange and the second flange;
a plurality of limiting plates are arranged in each annular mounting groove; the first sealing gasket and the second sealing gasket are respectively arranged in the two annular mounting grooves, and limit sliding grooves of the sliding friction limit plates are formed in the inner peripheral surfaces of the first sealing gasket and the second sealing gasket; the end face of the first sealing gasket, which is far away from the second sealing gasket, is provided with a plurality of limit grooves; the end face, far away from the first sealing gasket, of the second sealing gasket is provided with a plurality of rubber clamping blocks;
the first flanges are connected with the second flanges through a plurality of first bolts.
Preferably, the device also comprises a second connecting pipe, a plurality of clamping plates, a plurality of limiting blocks, a rotating ring plate and a fixed ring; the rotating ring plate is rotatably arranged on the peripheral surface of the first flange; the fixed ring is arranged on the peripheral surface of the second flange, and a plurality of clamping grooves are formed in the fixed ring; the clamping grooves are circumferentially distributed by taking the central axis of the fixing ring as the axis, and each clamping groove is provided with an opening; the clamping plates are arranged on the rotating ring plate; the limiting blocks are respectively arranged on the rotating ring plates; under the installation state of the first connecting pipe and the second connecting pipe, a plurality of clamping plates on the first connecting pipe are respectively matched and clamped into a plurality of clamping grooves on the second connecting pipe.
Preferably, the device further comprises a plurality of second bolts; a plurality of second threaded holes are formed in the rotating ring plate and the fixed ring; each second bolt is in threaded connection with the rotating ring plate and the fixed ring.
Preferably, the rubber ring is also included; the rubber ring is arranged on the rotating ring plate.
Preferably, each clamping plate and each limiting block are of an integrated structure.
Preferably, the device further comprises two air bags; two air bags are respectively installed in the two annular installation grooves, and each air bag is provided with an air inlet nozzle.
Preferably, a round angle is arranged in the annular mounting groove.
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects:
the first sealing gasket and the second sealing gasket are respectively matched and installed in the two annular installation grooves, then the plurality of rubber clamping blocks are matched and clamped into the plurality of limiting grooves, the first flange and the second flange are connected through the plurality of first bolts in a threaded mode, and therefore the first flange and the second flange are conveniently connected, the first sealing gasket and the second sealing gasket are mutually compressed, and the tightness of connection of the first connecting pipe is guaranteed; then aerify the gasbag through the air inlet nozzle, fill the clearance in the annular mounting groove, also make the installation of first sealed pad and second sealed pad more stable, further improve the leakproofness of device, when the first connecting pipe of atmospheric pressure impact, fill at any time by gasbag, first sealed pad and second sealed pad the gap that first connecting pipe vibrations produced, and then improved the sealed effect of device.
Through making a plurality of cardboard cooperation stretch into a plurality of draw-in grooves, then rotate the rotation ring board for a plurality of cardboard and a plurality of stopper remove, a plurality of stoppers compress tightly in the draw-in groove, and the rubber circle promotes the rotation ring board and keeps away from the solid fixed ring, and then carries out spacing to the rotation ring board, carries out spacing to rotation ring board and solid fixed ring by a plurality of second bolts, makes the installation of rotation ring board more stable; simultaneously under first connecting pipe and second connecting pipe installed state, a plurality of stopper compress tightly on solid fixed ring to carry out spacing once more to rotating ring plate and solid fixed ring, avoided the violent vibrations between first connecting pipe and the second connecting pipe that atmospheric pressure impact led to, and then carry out stable installation to first connecting pipe and second connecting pipe, improved the leakproofness of first connecting pipe and second connecting pipe.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an enlarged partial schematic view at a in fig. 1.
Fig. 3 is a schematic structural view of a first connecting tube according to the present utility model.
Fig. 4 is a partially enlarged schematic view at B in fig. 3.
Fig. 5 is a schematic structural view of a second connecting tube according to the present utility model.
Fig. 6 is an enlarged partial schematic view at C in fig. 5.
Reference numerals: 1. a first connection pipe; 2. a second connection pipe; 3. a first flange; 4. a second flange; 401. a first threaded hole; 5. a first bolt; 6. a clamping plate; 7. a limiting block; 8. a second bolt; 9. rotating the ring plate; 10. a first gasket; 1001. a limit groove; 11. a rubber ring; 12. a fixing ring; 1201. a clamping groove; 1202. an opening; 1203. a second threaded hole; 13. a second gasket; 14. a rubber clamping block; 15. a limiting plate; 16. an air bag.
Detailed Description
Example 1
As shown in fig. 1 to 6, the anti-drop sealing flange structure provided by the present utility model comprises a first connecting pipe 1, a first flange 3, a second flange 4, a plurality of first bolts 5, a first sealing gasket 10, a second sealing gasket 13 and two air bags 16.
A first flange 3 and a second flange 4 are respectively arranged at two ends of the first connecting pipe 1; a plurality of first threaded holes 401 are formed in the first flange 3 and the second flange 4, and annular mounting grooves are formed in the end faces, away from each other, of the first flange 3 and the second flange 4; round corners are arranged in the annular mounting grooves; the two air bags 16 are respectively arranged in the two annular mounting grooves, and each air bag 16 is provided with an air inlet nozzle.
A plurality of limiting plates 15 are arranged in each annular mounting groove; the first sealing gasket 10 and the second sealing gasket 13 are respectively arranged in the two annular mounting grooves, and limiting sliding grooves of the sliding friction limiting plate 15 are formed in the inner peripheral surfaces of the first sealing gasket 10 and the second sealing gasket 13; a plurality of limit grooves 1001 are arranged on the end surface of the first sealing gasket 10 far away from the second sealing gasket 13; the end surface of the second sealing gasket 13 far away from the first sealing gasket 10 is provided with a plurality of rubber clamping blocks 14.
A plurality of first bolts 5 are screwed to the first flange 3 and the second flange 4.
In the utility model, when in use, a user installs the first sealing gasket 10 and the second sealing gasket 13 in two annular installation grooves in a matching way, then clamps a plurality of rubber clamping blocks 14 in a plurality of limit grooves 1001 in a matching way, and the first flange 3 and the second flange 4 are connected in a threaded way through a plurality of first bolts 5, so that the first flange 3 and the second flange 4 are connected conveniently, the first sealing gasket 10 and the second sealing gasket 13 are mutually pressed, and the connection tightness of the first connecting pipe 1 is ensured; then aerify gasbag 16 through the air inlet nozzle, fill the clearance in the annular mounting groove, also make the installation of first sealed pad 10 and second sealed pad 13 more stable, further improve the leakproofness of device, when the atmospheric pressure strikes first connecting pipe 1, fill at any time by gasbag 16, first sealed pad 10 and the sealed gap that 1 vibrations produced of second sealed pad 13 to first connecting pipe, and then improved the sealed effect of device.
Example two
As shown in fig. 2-4, compared with the first embodiment, the anti-loosening sealing flange structure provided by the present utility model further includes a second connecting pipe 2, a plurality of clamping plates 6, a plurality of limiting blocks 7, a plurality of second bolts 8, a rotating ring plate 9, a rubber ring 11 and a fixing ring 12; the rotating ring plate 9 is rotatably arranged on the outer peripheral surface of the first flange 3; the rubber ring 11 is arranged on the rotating ring plate 9; the fixed ring 12 is arranged on the outer peripheral surface of the second flange 4, and a plurality of clamping grooves 1201 are formed in the fixed ring 12; a plurality of second threaded holes 1203 are formed in the rotating ring plate 9 and the fixed ring 12; each second bolt 8 is in threaded connection with the rotating ring plate 9 and the fixed ring 12; the clamping grooves 1201 are circumferentially distributed by taking the central axis of the fixed ring 12 as the axis, and each clamping groove 1201 is provided with an opening 1202; a plurality of clamping plates 6 are arranged on the rotating ring plate 9; the limiting blocks 7 are respectively arranged on the rotating ring plates 9; each clamping plate 6 and each limiting block 7 are of an integrated structure; the structure of the second connecting pipe 2 is the same as that of the first connecting pipe 1; in the installation state of the first connecting pipe 1 and the second connecting pipe 2, a plurality of clamping plates 6 on the first connecting pipe 1 are respectively matched and clamped into a plurality of clamping grooves 1201 on the second connecting pipe 2.
In this embodiment, during use, through making a plurality of clamping plates 6 cooperate and stretch into a plurality of clamping grooves 1201, then rotate and rotate the ring plate 9, make a plurality of clamping plates 6 and a plurality of stopper 7 remove, a plurality of stopper 7 compress tightly in clamping grooves 1201, rubber ring 11 promotes and rotates ring plate 9 and keep away from solid fixed ring 12, and then carries out spacing to rotating ring plate 9, carries out spacing to rotating ring plate 9 and solid fixed ring 12 by a plurality of second bolts 8, makes the installation of rotating ring plate 9 more stable; simultaneously under first connecting pipe 1 and second connecting pipe 2 installed state, a plurality of stopper 7 compress tightly on solid fixed ring 12 to carry out spacing once more to rotating ring plate 9 and solid fixed ring 12, avoided the violent vibrations between first connecting pipe 1 and the second connecting pipe 2 that the atmospheric pressure is strikeed to lead to, and then carry out stable installation to first connecting pipe 1 and second connecting pipe 2, improved the leakproofness of first connecting pipe 1 and second connecting pipe 2.
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 (7)
1. The anti-drop sealing flange structure is characterized by comprising a first connecting pipe (1), a first flange (3), a second flange (4), a plurality of first bolts (5), a first sealing gasket (10) and a second sealing gasket (13);
a first flange (3) and a second flange (4) are respectively arranged at two ends of the first connecting pipe (1); a plurality of first threaded holes (401) are formed in the first flange (3) and the second flange (4), and annular mounting grooves are formed in the end faces, away from each other, of the first flange (3) and the second flange (4);
a plurality of limiting plates (15) are arranged in each annular mounting groove; the first sealing gasket (10) and the second sealing gasket (13) are respectively arranged in the two annular mounting grooves, and limiting sliding grooves of a sliding friction limiting plate (15) are formed in the inner peripheral surfaces of the first sealing gasket (10) and the second sealing gasket (13); the end face of the first sealing gasket (10) far away from the second sealing gasket (13) is provided with a plurality of limit grooves (1001); the end face, far away from the first sealing gasket (10), of the second sealing gasket (13) is provided with a plurality of rubber clamping blocks (14);
a plurality of first bolts (5) are in threaded connection with the first flange (3) and the second flange (4).
2. The anti-drop sealing flange structure according to claim 1, further comprising a second connecting pipe (2), a plurality of clamping plates (6), a plurality of limiting blocks (7), a rotating ring plate (9) and a fixed ring (12); the rotating ring plate (9) is rotatably arranged on the peripheral surface of the first flange (3); the fixed ring (12) is arranged on the peripheral surface of the second flange (4), and a plurality of clamping grooves (1201) are formed in the fixed ring (12); the clamping grooves (1201) are circumferentially distributed by taking the central axis of the fixed ring (12) as the axis, and each clamping groove (1201) is provided with an opening (1202); the clamping plates (6) are arranged on the rotating ring plate (9); the limiting blocks (7) are respectively arranged on the rotating ring plates (9); under the installation state of the first connecting pipe (1) and the second connecting pipe (2), a plurality of clamping plates (6) on the first connecting pipe (1) are respectively matched and clamped into a plurality of clamping grooves (1201) on the second connecting pipe (2).
3. A tamper-evident sealing flange structure according to claim 2, characterized in that it further comprises a plurality of second bolts (8); a plurality of second threaded holes (1203) are formed in the rotating ring plate (9) and the fixed ring (12); each second bolt (8) is in threaded connection with the rotating ring plate (9) and the fixed ring (12).
4. A tamper-evident sealing flange structure according to claim 2, characterized by further comprising a rubber ring (11); the rubber ring (11) is arranged on the rotating ring plate (9).
5. The anti-drop sealing flange structure according to claim 2, characterized in that each clamping plate (6) and each limiting block (7) are of an integrally formed structure.
6. A tamper-evident sealing flange structure according to claim 1, characterized in that it further comprises two air bags (16); two air bags (16) are respectively arranged in the two annular mounting grooves, and each air bag (16) is provided with an air inlet nozzle.
7. The anti-slip sealing flange structure according to claim 1, wherein rounded corners are arranged in the annular mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437884.1U CN219588350U (en) | 2023-03-02 | 2023-03-02 | Anti-drop sealing flange structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320437884.1U CN219588350U (en) | 2023-03-02 | 2023-03-02 | Anti-drop sealing flange structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219588350U true CN219588350U (en) | 2023-08-25 |
Family
ID=87689493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320437884.1U Active CN219588350U (en) | 2023-03-02 | 2023-03-02 | Anti-drop sealing flange structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219588350U (en) |
-
2023
- 2023-03-02 CN CN202320437884.1U patent/CN219588350U/en active Active
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| GR01 | Patent grant |