A plugging clamp for leakage of chemical pipeline flange

Abstract

This utility model relates to the field of pipeline leak sealing technology, specifically a leak-sealing clamp for flange leaks in chemical pipelines. It includes two pipelines, each with a flange fixedly connected to one side. The two pipelines are fixedly connected by flanges. A leak-sealing cover is installed on the upper and lower sides of each pipeline, and the two leak-sealing covers are fixedly connected by bolts. A threaded rod is threaded to both sides of each leak-sealing cover. The advantages of this utility model are: by rotating the threaded rod, four clamping plates clamp the flange, fixing the relative positions of the leak-sealing cover, flange, and pipeline, preventing relative movement of the leak-sealing cover relative to the pipeline and flange. The cooperation of the sealing strip and sealing groove increases the sealing performance between the two leak-sealing covers, preventing leakage from the gap between them during the leak-sealing process. The sealing strip is made of a high-temperature and corrosion-resistant elastic material.

Description

Technical Field

[0001] This utility model relates to the field of pipeline leak sealing technology, and in particular to a leak sealing clamp for flange leaks in chemical pipelines. Background Technology

[0002] A flange is a part used to connect shafts, specifically for connecting pipe ends. Flanges are also used on equipment inlets and outlets to connect two pieces of equipment. Pipe flanges refer to flanges used for piping in pipeline systems, while those used on equipment refer to the inlet and outlet flanges of the equipment. Flanges have holes, and bolts are used to tightly connect two flanges. In case of a flange leak, a leak-sealing clamp is usually used to repair it.

[0003] Existing flange clamps for oil pipeline leak sealing are prone to slippage and movement along the oil pipeline during use, changing their position and affecting the work. Therefore, there is a need for an oil pipeline leak sealing flange clamp that can prevent movement during use.

[0004] To address this issue, this utility model proposes a leak-sealing clamp for leaking flanges in chemical pipelines. Utility Model Content

[0005] The purpose of this invention is to at least solve one of the aforementioned technical defects.

[0006] Therefore, one objective of this utility model is to provide a leak-sealing clamp for flange leaks in chemical pipelines, in order to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.

[0007] To achieve the above objectives, one embodiment of this utility model provides a leak-sealing clamp for flange leakage in chemical pipelines, comprising two pipelines, each pipeline having a flange fixedly connected to one side, the two pipelines being fixedly connected by the flanges, a leak-sealing cover being installed on the upper and lower sides of the two pipelines respectively, the two leak-sealing covers being fixedly connected by bolts, a screw rod being threaded to both sides of each leak-sealing cover, a clamping plate being fixedly connected to one side of the screw rod, and a sealing bolt being threaded to the top of one of the leak-sealing covers.

[0008] Preferably, one of the above-mentioned solutions has a sealing groove on one side, and the other has a sealing strip fixedly connected to one side.

[0009] Preferably, in any of the above solutions, the shape of the sealing strip is adapted to the shape of the sealing groove, and the sealing strip is snapped into the inside of the sealing groove.

[0010] Preferably, in any of the above solutions, a sleeve plate is fixedly connected to both sides of each of the leak-sealing covers. The diameter of the sleeve plate is adapted to the outer diameter of the pipe, and the four sleeve plates on the two leak-sealing covers form two collars that are fitted onto the outside of the pipe.

[0011] Preferably, in any of the above solutions, a connecting plate is fixedly connected to both sides of each of the leak-sealing covers, and a plurality of fixing holes are provided on one side of each of the connecting plates, with bolts threaded into the interior of the plurality of fixing holes.

[0012] Preferably, each of the above-mentioned solutions has a first threaded hole on both sides, and the first threaded hole extends into the interior of the leak-sealing cover.

[0013] Preferably, in any of the above embodiments, the lead screw is threaded into the interior of the first threaded hole, and a knob is fixedly connected to one side of the lead screw.

[0014] Preferably, the outer surface of the knob is provided with anti-slip texture, which is one of the above-mentioned solutions.

[0015] Preferably, in any of the above embodiments, the clamping plate is circular, and the side of the clamping plate abuts against the side of the flange.

[0016] Preferably, in any of the above solutions, a second threaded hole is provided on the top of one of the sealing covers, and the sealing bolt is threaded into the interior of the second threaded hole.

[0017] Compared with the prior art, the advantages and beneficial effects of this utility model are as follows:

[0018] By rotating the screw, the four clamps clamp the flange, which can fix the relative position of the leak-sealing cover, the flange, and the pipeline, and prevent the leak-sealing cover from moving relative to the pipeline and the flange. The cooperation of the sealing strip and the sealing groove can increase the sealing between the two leak-sealing covers and prevent leakage from the gap between the two leak-sealing covers during the leak-sealing process. The sealing strip is made of high temperature and corrosion resistant elastic material.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the overall structure according to an embodiment of the present utility model;

[0022] Figure 2 This is a cross-sectional structural diagram according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic diagram of the sealing groove according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic diagram of the sealing strip according to an embodiment of the present utility model;

[0025] Figure 5 This is a schematic diagram of the lead screw according to an embodiment of the present utility model.

[0026] In the diagram: 1-pipe, 2-flange, 3-leak-stopping cover, 301-sealing groove, 302-sealing strip, 303-sleeve plate, 304-connecting plate, 305-first threaded hole, 4-lead screw, 401-knob, 5-clamp plate, 6-sealing bolt. Detailed Implementation

[0027] like Figures 1 to 5 As shown, a leak-sealing clamp for leaking flanges in chemical pipelines includes two pipes 1, each pipe 1 having a flange 2 fixedly connected to one side. The two pipes 1 are fixedly connected by the flanges 2. A leak-sealing cover 3 is installed on the upper and lower sides of the two pipes 1 respectively. The two leak-sealing covers 3 are fixedly connected by bolts. A screw rod 4 is threaded to both sides of each leak-sealing cover 3. A clamping plate 5 is fixedly connected to one side of the screw rod 4. A sealing bolt 6 is threaded to the top of one of the leak-sealing covers 3.

[0028] One of the leak-sealing covers 3 has a sealing groove 301 on one side, and the other leak-sealing cover 3 has a sealing strip 302 fixedly connected to one side.

[0029] The shape of the sealing strip 302 is adapted to the shape of the sealing groove 301. The sealing strip 302 is snapped into the inside of the sealing groove 301. Through the cooperation of the sealing strip 302 and the sealing groove 301, the sealing performance between the two leak-proof covers 3 can be increased, and leakage can be avoided in the gap between the two leak-proof covers 3 during the leak-proofing process. The sealing strip 302 is made of a high-temperature resistant and corrosion-resistant elastic material.

[0030] Each leak-sealing cover 3 has a sleeve plate 303 fixedly connected to both sides. The diameter of the sleeve plate 303 is adapted to the outer diameter of the pipe 1. The four sleeve plates 303 on the two leak-sealing covers 3 form two collars and are fitted onto the outside of the pipe 1. The contact surface between the sleeve plate 303 and the pipe 1 is provided with an elastic gasket made of corrosion-resistant and high-temperature resistant material to increase the sealing performance.

[0031] Each leak-sealing cover 3 has a connecting plate 304 fixedly connected to both sides. Each connecting plate 304 has several fixing holes on one side, and bolts are threaded into the holes.

[0032] Each leak-sealing cover 3 has a first threaded hole 305 on both sides, and the first threaded hole 305 extends into the interior of the leak-sealing cover 3.

[0033] The lead screw 4 is threaded into the inside of the first threaded hole 305, and a knob 401 is fixedly connected to one side of the lead screw 4.

[0034] The outer surface of the knob 401 is provided with anti-slip texture, which makes it easier to rotate the lead screw 4.

[0035] The clamping plate 5 is circular, and the side of the clamping plate 5 abuts against the side of the flange 2. After the two leak-sealing covers 3 are installed, the four clamping plates 5 are clamped to the flange 2 by rotating the screw 4. This can fix the relative position of the leak-sealing cover 3, the flange 2, and the pipe 1, and prevent the leak-sealing cover 3 from moving relative to the pipe 1 and the flange 2.

[0036] One of the leak-sealing covers 3 has a second threaded hole at its top. The sealing bolt 6 is threaded into the inside of the second threaded hole. After the two leak-sealing covers 3 are installed and limited by the screw 4 and the clamp 5, sealant is poured into the space formed by the leak-sealing covers 3 through the second threaded hole to seal the flange 2. After the sealant is poured in, the second threaded hole is sealed by the sealing bolt 6.

[0037] Compared with the prior art, the present invention has the following advantages:

[0038] By rotating the screw 4, the four clamping plates 5 are clamped to the flange 2, which can fix the relative position of the leak-sealing cover 3, the flange 2, and the pipe 1, and prevent the leak-sealing cover 3 from moving relative to the pipe 1 and the flange 2. Through the cooperation of the sealing strip 302 and the sealing groove 301, the sealing performance between the two leak-sealing covers 3 can be increased, and leakage can be prevented from occurring in the gap between the two leak-sealing covers 3 during the leak-sealing process. The sealing strip 302 is made of a high-temperature resistant and corrosion-resistant elastic material.

Claims

1. A leak-sealing clamp for flange leaks in chemical pipelines, characterized in that: It includes two pipes (1), each of which has a flange (2) fixedly connected to one side. The two pipes (1) are fixedly connected by the flange (2). A leak-stopping cover (3) is installed on the upper and lower sides of the two pipes (1). The two leak-stopping covers (3) are fixedly connected by bolts. A screw rod (4) is threaded to both sides of each leak-stopping cover (3). A clamping plate (5) is fixedly connected to one side of the screw rod (4). A sealing bolt (6) is threaded to the top of one of the leak-stopping covers (3).

2. The plugging clamp for flange leakage of chemical pipeline according to claim 1, characterized in that: One of the leak-sealing covers (3) has a sealing groove (301) on one side, and the other leak-sealing cover (3) has a sealing strip (302) fixedly connected to one side.

3. The plugging clamp for flange leakage of chemical pipeline according to claim 2, characterized in that: The shape of the sealing strip (302) is adapted to the shape of the sealing groove (301), and the sealing strip (302) is snapped into the inside of the sealing groove (301).

4. The plugging clamp for flange leakage of chemical pipeline according to claim 3, characterized in that: Each of the leak-stopping covers (3) has a sleeve plate (303) fixedly connected to both sides. The diameter of the sleeve plate (303) is adapted to the outer diameter of the pipe (1). The four sleeve plates (303) on the two leak-stopping covers (3) form two collars and are fitted onto the outside of the pipe (1).

5. The leak stoppage clamp for chemical pipeline flange leakage according to claim 4, characterized in that: Each of the leak-sealing covers (3) has a connecting plate (304) fixedly connected to both sides. Each of the connecting plates (304) has several fixing holes on one side, and bolts are threaded into the interior of the fixing holes.

6. A leak-sealing clamp for flange leakage in chemical pipelines according to claim 5, characterized in that: Each of the aforementioned plugging covers (3) has a first threaded hole (305) on both sides, and the first threaded hole (305) extends into the interior of the plugging cover (3).

7. The leak stoppage clamp for chemical pipeline flange leakage according to claim 6, characterized in that: The lead screw (4) is threaded into the inside of the first threaded hole (305), and a knob (401) is fixedly connected to one side of the lead screw (4).

8. The leak stoppage clamp for chemical pipeline flange leakage according to claim 7, characterized in that: The outer surface of the knob (401) is provided with anti-slip texture.

9. The leak stoppage clamp for chemical pipeline flange leakage according to claim 8, characterized in that: The clamp (5) is circular, and the side of the clamp (5) abuts against the side of the flange (2).

10. The leak stoppage clamp for chemical pipeline flange leakage according to claim 9, characterized in that: One of the leak-sealing covers (3) has a second threaded hole at its top, and the sealing bolt (6) is threaded into the inside of the second threaded hole.

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