CN220816888U

CN220816888U - Flange sealing leakage-proof device

Info

Publication number: CN220816888U
Application number: CN202322763514.XU
Authority: CN
Inventors: 张延兵; 陈颖; 张�诚; 徐中原; 孙志涛
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-04-19
Anticipated expiration: 2033-10-16

Abstract

The utility model provides a flange sealing leakage-proof device, and relates to the technical field of flanges. The flange sealing leakage-proof device comprises an inner bushing and a connecting pipe, wherein a casing is fixedly connected to the outer side of the inner bushing, a first connecting plate is fixedly connected to the outer side of the casing, a second connecting plate is integrally formed on one side of the connecting pipe, the second connecting plate corresponds to the first connecting plate, an inner bushing ring and a threaded sleeve are integrally formed on one side of the inner bushing, the threaded sleeve is arranged on the outer side of the inner bushing, a threaded ring is rotationally connected to one side of the second connecting plate, and the threaded ring is in threaded connection with the outer side of the threaded sleeve. This sealing leakage-proof device of flange improves the leak-proof effect of flange when connecting, convenient to use prevents not hard up, improves fixed stability, convenient to assemble and dismantle.

Description

Flange sealing leakage-proof device

Technical Field

The utility model relates to a flange, in particular to a flange sealing leakage-proof device, and belongs to the technical field of flanges.

Background

In actual production, it is often necessary to seal the flanges on the containers or pipes. A common sealing method is to install a blind plate and a sealing member on the flange opening. However, in the actual operation process, fluid is often leaked from the sealing interface due to improper installation of the blind plate and the sealing element or failure of the sealing element, and the leakage cannot be timely found, so that production loss is caused, and if substances such as inflammable and explosive gas, corrosive liquid and the like are stored or transported in a container or a pipeline, once leakage occurs, the leakage cannot be timely found, and the result is serious.

The existing flange joint is installed and fixed mostly through a plurality of bolts, the installation process is time-consuming and labor-consuming, the problem that the contact position leaks exists under long-time use, the two flange plates are sealed through the sealing gasket arranged between the two flange plates which are in contact, but the sealing gasket and the flange plates are mutually independent, when the bolts are not locked to the maximum degree, good tightness cannot be achieved between the flange plates which are in contact, and when mechanical vibration exists in the use process, looseness can be generated between the flange plates, and if the bolts are not locked timely, the tightness of the flange plate can be reduced.

Disclosure of utility model

(One) solving the technical problems

The utility model aims to solve the problems that in the prior art, a sealing gasket and a flange are mutually independent, when a bolt is not locked to the maximum degree, good sealing performance cannot be achieved between the contacted flanges, when mechanical vibration occurs in the use process, looseness can occur between the flanges, and if the bolt is not locked timely, the sealing performance at the flange is reduced.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a flange seal leak protection device, includes inner liner and connecting pipe, inner liner outside fixedly connected with cover shell, cover shell outside fixedly connected with first connecting plate, connecting pipe one side integrated into one piece has the second connecting plate, the second connecting plate is corresponding with first connecting plate, inner liner one side integrated into one piece has inner liner ring and thread bush, the thread bush sets up in the inner liner ring outside, second connecting plate one side rotates and is connected with the screwed ring, screwed ring and thread bush outside threaded connection.

Preferably, a sealing gasket is fixedly connected to one side of the connecting pipe, a groove is formed between the inner lining ring and the threaded sleeve, the sealing gasket is matched with the groove, the inner lining ring and the threaded sleeve extrude the sealing gasket, the sealing gasket is tightly attached to the inside of the groove, and the sealing performance is improved.

Preferably, the shell one side fixedly connected with sealing washer, sealing washer and screwed ring looks adaptation, screwed ring extrudees the sealing washer, makes the sealing washer outwards extend, closely laminates with the gap, improves the leakproofness.

Preferably, the screw thread ring outside fixedly connected with rolling disc, the rolling disc outside is annular array fixedly connected with a plurality of push pedal, a plurality of through-holes have been seted up to the inside annular array that is of rolling disc, a plurality of mounting holes have all been seted up to first connecting plate and second connecting plate inside, and a plurality of the mounting hole is corresponding with a plurality of through-holes respectively, is favorable to installing first connecting plate and second connecting plate.

Preferably, the inside both sides of cover shell are all sliding connection in the slide bar, two the equal fixedly connected with movable block of slide bar rear end, spacing hole has all been seted up to the rolling disc both sides, two the slide bar respectively with two spacing hole looks adaptation, the inside both sides of second connecting plate are all fixedly connected with stop collar, two the slide bar respectively with two stop collar looks adaptations, be favorable to spacing the rolling disc.

Preferably, the inside both sides of cover shell are all fixedly connected with locating piece, two locating piece one side is all fixedly connected with spring, two spring one end respectively with two movable blocks contact, support spacing to movable block and slide bar.

Preferably, the two positioning blocks are internally and uniformly connected with bolts in a threaded manner, the two bolts respectively penetrate through the two moving blocks and the slide rod and are in sliding connection with the two moving blocks and the slide rod, the two bolts extend to one end of the slide rod, which is fixedly connected with the movable block, so that the bolts move in the positioning blocks when rotating, the movable block drives the slide rod to move, and the slide rod is separated from the rotating disc and the limiting sleeve.

The utility model provides a flange sealing leakage-proof device, which has the following beneficial effects:

1. This flange seals leak protection device is through laminating first connecting plate and second connecting plate each other, make the second connecting plate drive the screwed ring earlier with the thread bush contact, and promote a plurality of push plates and rotate, and drive the rolling disc and rotate, make the rolling disc drive the screwed ring and rotate, carry out threaded connection in the thread bush outside when the screwed ring rotates, make screwed ring and thread bush be close to each other and closely laminate, the screwed ring extrudees the sealing washer simultaneously, make the sealing washer improve the leakproofness, prevent leaking, the connecting pipe extrudees sealed pad when laminating simultaneously with the inner liner, make sealed pad seal the gap between connecting pipe and the inner liner, the leak-proof effect of flange when being connected is improved, convenient to use, prevent not hard up, improve fixed stability.

2. This leak protection device is sealed to flange sets up through the screw thread of screwed ring and thread bush, the rolling disc rotates the extreme point position just corresponds with the inside through-hole of seting up of first connecting plate and second connecting plate, the spring promotes the movable block and removes this moment, and make the spring drive slide bar remove, the slide bar passes the rolling disc and peg graft with the stop collar, spacing to the rolling disc, improve stability, prevent to break away from, when dismantling when needs, improve outwards rotation with the bolt, make the bolt drive movable block remove, make movable block pulling slide bar and movable block remove, and make the slide bar break away from with rolling disc and stop collar, the installation of being convenient for is dismantled.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a split structure of the present utility model;

FIG. 3 is a side cross-sectional view of the present utility model;

Fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present utility model.

[ Main reference numerals Specification ]

1. An inner liner; 2. a casing; 3. a first connection plate; 4. a connecting pipe; 5. a second connecting plate; 6. a thread sleeve; 7. a liner ring; 8. a sealing gasket; 9. a threaded ring; 10. a seal ring; 12. a rotating disc; 13. a push plate; 14. a slide bar; 15. a moving block; 16. a bolt; 17. a movable block; 18. a limit sleeve; 19. a positioning block; 20. and (3) a spring.

Detailed Description

The embodiment of the utility model provides a flange sealing leakage-proof device.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, including inner liner 1 and connecting pipe 4, inner liner 1 outside fixedly connected with cover shell 2, cover shell 2 outside fixedly connected with first connecting plate 3, connecting pipe 4 one side integrated into one piece has second connecting plate 5, second connecting plate 5 is corresponding with first connecting plate 3, inner liner 1 one side integrated into one piece has interior lining 7 and thread bush 6, thread bush 6 sets up in the interior lining 7 outside, second connecting plate 5 one side is rotated and is connected with screwed ring 9, screwed ring 9 and screwed ring 6 outside threaded connection, connecting pipe 4 one side fixedly connected with sealing washer 8, the shaping has the recess between interior lining 7 and the screwed ring 6, sealing washer 8 and recess looks adaptation make interior lining 7 extrude sealing washer 8 with screwed bush 6, make sealing washer 8 closely laminate in the recess inside, 2 one side fixedly connected with sealing washer 10, sealing washer 10 and screwed ring 9 looks adaptation, make sealing washer 10 outwards extend, closely laminate with the gap, improve the leakproofness, screwed ring 9 outside fixedly connected with 12 is rotated and is connected with the annular array 12 and is equipped with a plurality of through-holes 3 and is equipped with a plurality of first connecting plates 3, a plurality of through-holes are installed to a plurality of annular arrays 3, a plurality of corresponding through-holes are opened with a plurality of first connecting plates 3, a plurality of through-hole array is installed to a plurality of first connecting plates are installed to the first connecting plates 3, respectively.

The inside both sides of cover shell 2 all sliding connection is in slide bar 14, the equal fixedly connected with movable block 15 of two slide bar 14 rear ends, spacing hole has all been seted up to rotor plate 12 both sides, two slide bar 14 respectively with two spacing hole looks adaptations, the inside both sides of second connecting plate 5 all fixedly connected with stop collar 18, two slide bar 14 respectively with two stop collar 18 looks adaptations, be favorable to spacing rotor plate 12, the inside both sides of cover shell 2 all fixedly connected with locating piece 19, two locating piece 19 one side all fixedly connected with spring 20, two spring 20 one end is contacted with two movable block 15 respectively, support spacing to movable block 15 and slide bar 14, two locating piece 19 inside all threaded connection has bolt 16, run through two movable block 15 and slide bar 14 in two bolt 16 respectively and with two movable block 15 and slide bar 14 sliding connection, two bolt 16 extend to the inside one end of slide bar 14 all fixedly connected with movable block 17, make the bolt 16 rotate the time at the inside removal of 19, and make movable block 17 drive 14 carry out the removal, make the slide bar 14 break away from with rotor plate 12 and stop collar 18 with the slide bar 16.

The utility model is used when in use: through laminating first connecting plate 3 and second connecting plate 5 each other, make second connecting plate 5 drive screwed ring 9 earlier with thread bush 6 contact, and promote a plurality of push pedal 13 and rotate, and drive rolling disc 12 and rotate, make rolling disc 12 drive screwed ring 9 and rotate, carry out threaded connection in the thread bush 6 outside when screwed ring 9 rotates, make screwed ring 9 and thread bush 6 be close to each other and closely laminate, screwed ring 9 extrudees sealing washer 10 simultaneously, make sealing washer 10 improve the leakproofness, prevent leaking, connecting pipe 4 and inner liner 1 extrude sealed pad 8 when laminating simultaneously, make sealed pad 8 seal the gap between connecting pipe 4 and the inner liner 1, improve the leak-proof effect of flange when being connected, convenient to use.

Through the screw thread setting of screwed ring 9 and thread bush 6, rolling disc 12 rotates to the extreme point position just corresponds with the through-hole of seting up in first connecting plate 3 and the inside of second connecting plate 5, spring 20 promotes movable block 15 and removes this moment, and make spring 20 drive slide bar 14 remove, slide bar 14 pass rolling disc 12 and peg graft with stop collar 18, spacing rolling disc 12, improve stability, prevent to break away from, when needs are dismantled, improve with bolt 16 outwards rotation, make bolt 16 drive movable block 17 remove, make movable block 17 pulling slide bar 14 and movable block 15 remove, and make slide bar 14 break away from with rolling disc 12 and stop collar 18, convenient to detach.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flange seal leak protection device, includes inner liner (1) and connecting pipe (4), its characterized in that: the novel inner bushing is characterized in that the outer side of the inner bushing (1) is fixedly connected with the casing (2), the outer side of the casing (2) is fixedly connected with the first connecting plate (3), one side of the connecting pipe (4) is integrally formed with the second connecting plate (5), the second connecting plate (5) corresponds to the first connecting plate (3), one side of the inner bushing (1) is integrally formed with the inner bushing (7) and the threaded sleeve (6), the threaded sleeve (6) is arranged on the outer side of the inner bushing (7), one side of the second connecting plate (5) is rotationally connected with the threaded ring (9), and the threaded ring (9) is in threaded connection with the outer side of the threaded sleeve (6).

2. A flange seal leak-proof apparatus as defined in claim 1, wherein: one side of the connecting pipe (4) is fixedly connected with a sealing gasket (8), a groove is formed between the inner lining ring (7) and the threaded sleeve (6), and the sealing gasket (8) is matched with the groove.

3. A flange seal leak-proof apparatus as defined in claim 1, wherein: a sealing ring (10) is fixedly connected to one side of the casing (2), and the sealing ring (10) is matched with the threaded ring (9).

4. A flange seal leak-proof apparatus as defined in claim 1, wherein: the novel rotary push plate is characterized in that a rotary plate (12) is fixedly connected to the outer side of the threaded ring (9), a plurality of push plates (13) are fixedly connected to the outer side of the rotary plate (12) in an annular array, a plurality of through holes are formed in the rotary plate (12) in an annular array, a plurality of mounting holes are formed in the first connecting plate (3) and the second connecting plate (5), and the mounting holes correspond to the through holes respectively.

5. The flange seal leak-proof apparatus of claim 4 wherein: the inside both sides of cover shell (2) all sliding connection in slide bar (14), two slide bar (14) equal fixedly connected with movable block (15), spacing hole has all been seted up to rolling disc (12) both sides, two slide bar (14) respectively with two spacing hole looks adaptations, the inside both sides of second connecting plate (5) are equal fixedly connected with stop collar (18), two slide bar (14) respectively with two stop collar (18) looks adaptations.

6. A flange seal leak-proof apparatus as defined in claim 5, wherein: the two sides of the interior of the casing (2) are fixedly connected with positioning blocks (19), one sides of the two positioning blocks (19) are fixedly connected with springs (20), and one ends of the two springs (20) are respectively contacted with the two moving blocks (15).

7. The flange seal leak-proof apparatus of claim 6, wherein: the two locating blocks (19) are internally and respectively connected with bolts (16) in a threaded manner, the two bolts (16) penetrate through the two moving blocks (15) and the slide rod (14) and are in sliding connection with the two moving blocks (15) and the slide rod (14), and the two bolts (16) extend to one end inside the slide rod (14) and are respectively fixedly connected with a movable block (17).