Elastic embedded leak stopper for flange

Abstract

The utility model relates to the technical field of flange sealing, in particular to a flange elastic embedded type leaking stoppage which comprises two semicircular clamping rings, the two semicircular clamping rings are arranged in an axial symmetry mode, and fixing mechanisms are arranged at the two ends of each semicircular clamping ring. A semicircular boss is arranged on the inner wall of the semicircular clamping ring in the circumferential direction, and measuring mechanisms are arranged on the two sides of the semicircular clamping ring and the two sides of the semicircular boss. And a glue injection mechanism is arranged in the middle of the semicircular clamping ring and the semicircular boss. By means of the piston and the ejector rod measuring structure arranged on the two sides of the clamping ring, an operator can directly observe the scale displacement of the outer wall of the ejector rod, the filling degree and the pressure state of sealant in a flange gap are accurately judged, and the problem that a traditional closed structure cannot observe the flowing path of the sealant is thoroughly solved.

Description

Technical Field

[0001] This utility model relates to the field of flange sealing technology, specifically to a flange elastic embedded leak-stopping method. Background Technology

[0002] During long-term operation of pressure equipment (such as pressure pipelines, pressure vessels and boiler interfaces), leakage often occurs at flange connections due to factors such as medium corrosion, gasket aging, assembly errors and temperature and pressure fluctuations.

[0003] As disclosed in CN119665039A, a pressure-sealing clamp for a flange of pressure equipment and its preparation method are described. It includes a first clamp and a second clamp, detachably connected to the flange gap and a cylindrical surface, forming an integrally molded elastic deformation structure. Both the first and second clamps include a clamp body, a clamp boss, and a clamp bevel. The beneficial effects of this invention, achieved by using the above technical solution, are: sealing the flange gap to form a sealing cavity, followed by adhesive injection to achieve pressure sealing of the pressure equipment flange.

[0004] Although the aforementioned patent can seal the flange gap, the fixture adopts a closed structure, and it is impossible to directly observe whether the adhesive has completely filled the flange gap during the injection of adhesive, which may form "cavitation" (unfilled area) and cause local sealing failure. Utility Model Content

[0005] The purpose of this invention is to provide a flange elastic embedded leak sealant to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A flange resilient embedded leak sealant, comprising

[0008] Two semicircular clamping rings are arranged symmetrically on the axis, and both ends are provided with fixing mechanisms;

[0009] A semi-circular boss is provided along the circumference of the inner wall of the semi-circular clamping ring, and a measuring mechanism is provided on both sides of the semi-circular clamping ring and the semi-circular boss.

[0010] An adhesive injection mechanism is provided at the middle of the semicircular clamping ring and the semicircular boss.

[0011] Preferably, the fixing mechanism includes bolt holes, and bolt holes are provided at both ends of the two semicircular clamping rings. Bolts are movably installed inside the bolt holes, and nuts are externally threaded to the bottom end of the bolts.

[0012] Preferably, the glue injection mechanism includes a glue injection hole, which is formed through the middle of the semicircular clamping ring and the semicircular boss, and a glue injection tube is fixedly connected inside the glue injection hole.

[0013] Preferably, the top end of the glue injection tube is threadedly connected to a plug through the glue injection hole;

[0014] Preferably, the measuring mechanism includes a measuring groove, measuring grooves are provided on both sides of the semicircular clamping ring and the semicircular boss, a wall groove is provided in the middle of the measuring groove, a piston is movably installed between the wall groove and the measuring groove, a top rod is fixedly connected to the end of the piston away from the semicircular boss, and the piston and the wall groove are in a sliding sealing fit.

[0015] Preferably, the outer wall of the top rod is provided with graduations along the axial direction.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] This type of flange elastic embedded leak sealing uses a piston and push rod measuring structure set on both sides of the clamping ring. Operators can directly observe the scale displacement on the outer wall of the push rod to accurately determine the filling degree and pressure state of the sealant in the flange gap, completely solving the problem that traditional closed structures cannot observe the flow path of the sealant. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 2 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0020] Figure 3 For the present utility model Figure 1 Enlarged diagram of point B in the middle.

[0021] In the diagram: 1. Semicircular clamping ring; 2. Semicircular boss; 3. Bolt hole; 4. Bolt; 5. Nut; 6. Glue injection hole; 7. Glue injection tube; 8. Plug; 9. Measuring groove; 10. Wall groove; 11. Piston; 12. Push rod; 13. Scale. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figure 1-3As shown, this utility model provides a technical solution:

[0024] A flange elastic embedded leak sealant includes two semicircular clamping rings 1, which are axially symmetrically arranged and each end is provided with a fixing mechanism. Each fixing mechanism includes a bolt hole 3. Bolts 4 are movably installed inside the bolt holes 3, and nuts 5 are externally threaded onto the bottom end of the bolts 4. An adhesive injection mechanism is provided in the middle of the semicircular clamping rings 1 and the semicircular boss 2. The adhesive injection mechanism includes an adhesive injection hole 6, which penetrates the middle of the semicircular clamping rings 1 and the semicircular boss 2. An adhesive injection tube 7 is fixedly connected inside the adhesive injection hole 6, and the top end of the adhesive injection tube 7 passes through… A plug 8 is threaded through the injection hole 6. A semi-circular boss 2 is arranged circumferentially on the inner wall of the semi-circular clamping ring 1. A measuring mechanism is provided on both sides of the semi-circular clamping ring 1 and the semi-circular boss 2. The measuring mechanism includes a measuring groove 9. A measuring groove 9 is opened on both sides of the semi-circular clamping ring 1 and the semi-circular boss 2. A wall groove 10 is circumferentially opened in the middle of the measuring groove 9. A piston 11 is movably installed between the wall groove 10 and the measuring groove 9. A push rod 12 is fixedly connected to the end of the piston 11 away from the semi-circular boss 2. The piston 11 and the wall groove 10 are in sliding sealing fit. A scale 13 is arranged axially on the outer wall of the push rod 12.

[0025] In this embodiment, through the piston 11 and push rod 12 measuring structures set on both sides of the clamping ring, the operator can directly observe the displacement of the scale 13 on the outer wall of the push rod 12, accurately determine the filling degree and pressure state of the sealant in the flange gap, and completely solve the problem that the traditional closed structure cannot observe the flow path of the colloid.

[0026] Working principle: When leakage occurs at the flange connection, firstly, two semi-circular clamping rings 1 are symmetrically fitted onto the outer edge of the flange. The ends of the semi-circular clamping rings 1 are then tightened with bolts 4 and nuts 5, so that the semi-circular boss 2 is tightly embedded in the gap between the two flanges to form an initial mechanical seal. Then, sealant is injected into the injection hole 6 through the injection tube 7. Under pressure, the sealant first fills the flange gap area directly below the injection hole 6, and then spreads evenly along the flange circumference with the injection hole 6 as the center, while also penetrating to the sealing surfaces of both flanges. During the injection process, the pressure of the sealant pushes the piston 11 to slide in the wall groove 10, driving the push rod 12 to move outward. The operator observes the axial scale 13 on the outer wall of the push rod 12. When the scale 13 shows that the push rod 12 has reached the maximum stroke position, the injection is stopped, indicating that the sealant has completely spread from the injection hole 6 to the entire flange gap. After the injection is completed, the plug 8 is tightened to seal the injection tube 7. At this time, the semi-circular clamping rings 1, the semi-circular boss 2, and the cured sealant together constitute a three-stage sealing system.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A flange resiliently embedded leak stopper, characterized by: The utility model relates to a kind of two half circle clamping rings (1), two the half circle clamping rings (1) are arranged symmetrically, and both ends are provided with fixed mechanism; Semicircular boss (2) is arranged in the circumferential direction at the inner wall of the half circle clamping ring (1), and measuring mechanism is arranged on both sides of the half circle clamping ring (1) and semicircular boss (2); Glue injection mechanism is arranged in the middle of the half circle clamping ring (1) and semicircular boss (2). The fixed mechanism includes a bolt hole (3), and the bolt hole (3) is arranged at both ends of the two half circle clamping rings (1), the bolt hole (3) is movably connected with a bolt (4) inside, and the bottom end of the bolt (4) is externally threadedly connected with a nut (5).

2. The elastic embedded plugging of flange according to claim 1, characterized in that: The glue injection mechanism includes a glue injection hole (6), and the glue injection hole (6) is arranged in the middle of the half circle clamping ring (1) and semicircular boss (2), and the glue injection hole (6) is fixedly connected with a glue injection pipe (7) inside.

3. The elastic embedded plugging of flange according to claim 1, characterized in that: The top end of the glue injection pipe (7) is threadedly connected with a plug (8) penetrating through the glue injection hole (6).

4. The flange elastic embedded plugging of claim 3, wherein: The measuring mechanism includes a measuring groove (9), and the measuring groove (9) is arranged on both sides of the half circle clamping ring (1) and semicircular boss (2), and the middle of the measuring groove (9) is annularly provided with a wall groove (10), the wall groove (10) and the measuring groove (9) are movably connected with a piston (11), the end of the piston (11) away from the semicircular boss (2) is fixedly connected with a top rod (12), and the piston (11) and the wall groove (10) are slidingly sealed.

5. The flange elastic embedded plugging of claim 1, wherein: Scale (13) is arranged on the outer wall of the top rod (12) in axial direction.

6. The flange elastic embedded plugging of claim 5, wherein: ​

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