Flange gasket with sealing element

Abstract

The utility model relates to the technical field of flanges, and discloses a flange gasket with a sealing element, which comprises flange main bodies, mounting ports are equidistantly formed in the upper ends of the flange main bodies, the upper ends of the flange main bodies are fixedly connected with mounting rings, and sealing gaskets are inserted into the upper ends of the mounting rings. The connection of the flange main body does not need to be watched and checked by naked eyes, the flange is more convenient to install and connect, the screws are tightened in a diagonal sequence, the pre-tightening force of the bolts is ensured to be uniformly distributed, uneven stress of the sealing gasket after the flange is connected is avoided, stress concentration and local deformation are prevented, and the sealing stability and reliability are improved; the structure of the limiting ring and the connecting ring plays an effective supporting role, the sealing gasket is prevented from being excessively extruded when the bolt is tightened, it is ensured that deformation of the sealing gasket is within a controllable range, the service life of the sealing gasket is prolonged, the sealing gasket is wrapped by the limiting ring and the connecting ring, it is ensured that the sealing gasket is evenly stressed in flange connection, and the sealing effect is further improved.

Description

Technical Field

[0001] The present application relates to the field of flange technology, and in particular to a flange gasket with a sealing element. Background Art

[0002] Flange, also known as flange flange or flange, is a part that connects shafts to each other and is used to connect pipe ends. Flanges are used in pairs. Threaded flanges can be used for low-pressure pipelines, and welded flanges can be used for pressures above four kilograms. A sealing gasket is added between the two flanges and then fastened with bolts. Flanges of different pressures have different thicknesses, and the bolts they use are also different. When water pumps and valves are connected to pipelines, the parts of these equipment are also made into corresponding flange shapes, also known as flange connections.

[0003] However, when the gasket is subjected to the forces of the flange and bolts, it is prone to uneven stress. When the bolts are tightened, if the preload force of each bolt is uneven, the pressure distribution at different angles of the flange will be inconsistent, resulting in uneven deformation of the gasket. This phenomenon may cause "stress concentration", resulting in excessive or insufficient stress in local areas of the gasket, thus affecting its sealing effect. Therefore, a flange gasket with a sealing element has been designed to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the problem, the present application provides a flange gasket with a sealing element.

[0005] The flange gasket with a seal provided in this application adopts the following technical solution:

[0006] A flange gasket with a sealing component includes a flange body, wherein the upper end of the flange body is provided with mounting openings at equal intervals, the upper end of the flange body is fixedly connected to a mounting ring, the upper end of the mounting ring is plugged with a sealing gasket, the middle part of the upper end of the flange body is fixedly installed near the outer side of the mounting ring, the upper end of the fixing ring is plugged with a limiting ring, and the upper end of the limiting ring is fixedly connected to a connecting ring.

[0007] Preferably, a socket is provided at the upper end of the fixing ring, and the socket is circular.

[0008] Preferably, the lower end of the limiting ring is fixedly connected to the insertion rod at equal distances, and the insertion rod is circular.

[0009] Preferably, fixing grooves are equidistantly provided on the upper end of the mounting ring, and the fixing grooves are arc-shaped.

[0010] Preferably, the lower end of the sealing gasket is fixedly connected to a fixing block at equal distances, and the fixing block is arc-shaped.

[0011] Preferably, the upper end of the connecting ring is wavy, and the connecting ring is made of rubber material.

[0012] In summary, this application has the following beneficial technical effects:

[0013] In the present invention, the connecting ring is used to fit the installation ports of the two flange bodies, so that the connection of the flange bodies does not need to be manually checked with the naked eye, making the flange installation and connection more convenient. By tightening the screws in diagonal sequence, the pre-tightening force of the bolts is ensured to be evenly distributed, avoiding uneven force on the sealing gasket after the flange connection, preventing stress concentration and local deformation, and improving the stability and reliability of the seal. The limiting ring and the connecting ring structure play an effective supporting role, preventing the sealing gasket from being excessively squeezed when the bolts are tightened, ensuring that its deformation is within a controllable range, and extending the service life of the sealing gasket. The positioning ring and the connecting ring wrap the sealing gasket to ensure that it is evenly stressed in the flange connection, further improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the decomposed structure of the main body of the embodiment of the application;

[0015] Figure 2 This is a diagram showing the placement of two flanges in an embodiment of the application;

[0016] Figure 3 is a schematic structural diagram of a sealing gasket according to an embodiment of the application;

[0017] Figure 4 2. It is a schematic structural diagram of a limit ring according to an embodiment of the application;

[0018] Figure 5 It is an exploded view of the two connecting rings of the embodiment of the application.

[0019] Explanation of the accompanying symbols: 1. Flange body; 2. Mounting port; 3. Mounting ring; 31. Fixing groove; 4. Sealing gasket; 41. Fixing block; 5. Fixing ring; 51. Socket; 6. Limiting ring; 61. Insert rod; 7. Connecting ring. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-5 This application is described in further detail.

[0021] The embodiment of the present application discloses a flange gasket with a sealing member. Figure 1-5 A flange gasket with a sealing element includes a flange body 1, the upper end of the flange body 1 is equidistantly provided with mounting openings 2, the upper end of the flange body 1 is fixedly connected to a mounting ring 3, the upper end of the mounting ring 3 is plugged into a sealing gasket 4, the upper end of the mounting ring 3 is equidistantly provided with fixing grooves 31, the fixing grooves 31 are arc-shaped, the lower end of the sealing gasket 4 is equidistantly fixedly connected to a fixing block 41, the fixing block 41 is arc-shaped, and the fixing block 41 is inserted into the fixing groove 31 so that the sealing gasket 4 can be limited to prevent the sealing gasket 4 from sliding;

[0022] A fixing ring 5 is fixedly installed in the middle of the upper end of the flange body 1 close to the outer side of the mounting ring 3 , the upper end of the fixing ring 5 is plugged into a limiting ring 6 , and the upper end of the limiting ring 6 is fixedly connected to a connecting ring 7 .

[0023] The upper end of the fixing ring 5 is provided with a circular socket 51. The lower end of the limiting ring 6 is fixedly connected to a circular plug rod 61 at equal intervals. The plug rod 61 is inserted into the socket 51 to connect the limiting ring 6 to the fixing ring 5. The plug rod 61 is used to insert and position the limiting ring 6 so that the limiting ring 6 can be installed on the upper end of the fixing ring 5.

[0024] The two connecting rings 7 are fitted together and meshed, so that the two flange bodies 1 are pre-limited, so that the installation ports 2 of the two flange bodies 1 are automatically aligned, which is convenient for the connection of the two flange bodies 1. Then, the screws are installed into the installation ports 2 to connect the installation ports 2 of the two flange bodies 1. Then, the pipes are installed and the screws are tightened to connect and fix the flange bodies 1. After preventing the screws in advance, it is convenient to tighten the screws diagonally. Tightening the screws in diagonal sequence can facilitate the installer to tighten each screw evenly to ensure that the stress everywhere is consistent, and to avoid the problem of excessive deformation of the sealing gasket 4 due to uneven force after connection.

[0025] By adopting the above technical solution, the upper end of the connecting ring 7 is wavy, such as Figure 3 As shown, the adapter ring 7 is made of rubber material.

[0026] The implementation principle of the flange gasket with a seal in the embodiment of the present application is as follows: insert the fixing block 41 of the sealing gasket 4 into the fixing groove 31, install the sealing gasket 4 on the upper end of the mounting ring 3, and insert the insert rod 61 into the socket 51, so that the limiting ring 6 and the connecting ring 7 are fixed on one side of the fixing ring 5, and then align the flange body 1 to be connected. At this time, the flange body with the connecting ring 7 and the sealing gasket 4 pre-installed on the other side can be fitted together, so that the two connecting rings 7 are fitted together and sealed, so that the two flange bodies can be connected. Figure 5As shown, the connecting rings 7 engage with each other, so that the two flange bodies 1 are pre-limited, so that the installation ports 2 of the two flange bodies 1 are automatically aligned, which is convenient for the connection of the two flange bodies 1, and then the screws are installed into the installation ports 2 to connect the installation ports 2 of the two flange bodies 1. Then the pipes are installed and the screws are tightened to connect and fix the flange bodies 1. After preventing the screws in advance, it is convenient to tighten the screws diagonally. Tightening the screws in diagonal sequence can facilitate the installer to tighten each screw evenly to ensure that the stress everywhere is consistent, avoiding the problem of uneven force on the sealing gasket 4 after connection and excessive deformation. The sealing gasket 4 will be squeezed after connection, but the connecting ring 7 and the limiting ring 6 installed on one side of the flange body 1 provide support, so that the sealing gasket 4 will not be excessively squeezed and deformed, and since the limiting ring 6 and connecting ring 7 are located outside the mounting ring 3, the limiting ring 6 and the connecting ring 7 wrap the sealing gasket 4 to prevent uneven force on the sealing gasket 4.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0028] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0029] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0030] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A flange gasket with a sealing element, comprising a flange body (1), characterized in that: The upper end of the flange body (1) is provided with mounting openings (2) at equal intervals, the upper end of the flange body (1) is fixedly connected to a mounting ring (3), the upper end of the mounting ring (3) is plugged with a sealing gasket (4), a fixing ring (5) is fixedly installed in the middle of the upper end of the flange body (1) near the outer side of the mounting ring (3), the upper end of the fixing ring (5) is plugged with a limiting ring (6), and the upper end of the limiting ring (6) is fixedly connected to an upper end fixed connection connecting ring (7).

2. The flange gasket with a seal according to claim 1, characterized in that: The upper end of the fixing ring (5) is provided with a socket (51), and the socket (51) is circular.

3. The flange gasket with a seal according to claim 1, characterized in that: The lower end of the limiting ring (6) is fixedly connected to an inserting rod (61) at equal distances, and the inserting rod (61) is circular.

4. The flange gasket with a seal according to claim 1, characterized in that: The upper end of the mounting ring (3) is provided with fixing grooves (31) at equal intervals, and the fixing grooves (31) are arc-shaped.

5. The flange gasket with a seal according to claim 1, characterized in that: The lower end of the sealing gasket (4) is fixedly connected to a fixing block (41) at equal distances, and the fixing block (41) is arc-shaped.

6. The flange gasket with a seal according to claim 1, characterized in that: The upper end of the connecting ring (7) is wavy, and the connecting ring (7) is made of rubber material.

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