Sealing type flange

Abstract

The utility model discloses a sealing type flange which comprises a flange plate, a connecting ring is fixedly connected to the upper end of the flange plate, an outer end fixing shell is fixedly connected to the upper end of the connecting ring, a lifting limiting column is fixedly connected to the interior of the outer end fixing shell, and a connecting column is slidably connected to the interior of the lifting limiting column. The tail end of the connecting column is fixedly connected with a movable sealing ring, and the top end of the lifting limiting column communicates with a fixed rotary knob. And by arranging an outer end fixing shell, a lifting limiting column and a connecting column structure, the movable sealing ring is driven to move up and down, and reinforcing and sealing of the connecting position are achieved. By arranging the multi-layer flange plate structure, the anti-seepage capacity and the self-strength of the flange plate are improved.

Description

Technical Field

[0001] The utility model relates to a technical field, in particular to a sealing flange. Background Art

[0002] In industrial production, flanges are often used to seal and reinforce the joints between water pipes and valves, lengthening the delivery pipeline while preventing liquid and gas leakage at the joints.

[0003] The general flange is connected to each other as a combined sealing structure by setting a flange, a gasket and a bolt to form a detachable connection, and the pipeline is connected and sealed. However, this structure lacks corresponding sealing reinforcement equipment, and occasionally there will be leakage of the transported liquid and gas. A Chinese patent discloses a sealing flange with an application number of "CN201410491265.6", including a first flange plate and a second flange plate that match each other, a flange gasket is provided between the first flange plate and the second flange plate, the first flange plate and the second flange plate are fastened and connected by at least two bolts, and the connecting surfaces of the first flange plate and the second flange plate are respectively provided with mutually engaged sealing rings. Compared with the prior art, the beneficial effect of the invention is that when the bolts are not tightened to the maximum extent, or when the flange plates are loosened due to mechanical vibration, the flange plates still have good sealing. This structure lacks the corresponding sealing structure at the connection to improve the sealing of the overall equipment. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and provide a sealing flange. By setting an outer end fixed shell, a lifting limit column and a connecting column structure, the movable sealing ring is driven to move up and down to achieve a reinforced seal at the connection. By setting a multi-layer flange structure, the anti-seepage ability and self-strength of the flange are improved.

[0005] The utility model also provides the above-mentioned sealing flange, including: a flange, a connecting ring fixedly connected to the upper end of the flange, an outer fixed shell fixedly connected to the upper end of the connecting ring, a lifting limit column fixedly connected to the inside of the installation fixed shell, a connecting column slidably connected to the inside of the lifting limit column, a movable sealing ring fixedly connected to the end of the connecting column, and a fixed knob connected to the top of the lifting limit column. By setting the outer fixed shell, the lifting limit column and the connecting column structure, the movable sealing ring is driven to move up and down to achieve reinforced sealing of the connection. By setting a multi-layer flange structure, the anti-seepage ability and self-strength of the flange are improved.

[0006] According to the sealing flange of the utility model, the outer ring of the flange is provided with a connecting hole, and the connecting hole is connected to the valve device, so that each structure is connected and reinforced to prevent the flange from falling off.

[0007] According to the sealing flange of the utility model, the middle section of the connecting ring is provided with a limiting hole, and the inside of the limiting hole is a threaded structure, so as to connect the water pipe and complete the connection of the overall structure.

[0008] According to the sealing flange of the utility model, the flange is composed of an anti-seepage paint layer, a connecting layer and a bottom reinforcement layer structure, and the flange is a sealing structure, thereby improving the sealing and overall strength of the flange.

[0009] According to the sealing flange of the utility model, the anti-seepage paint layer is composed of anti-seepage paint and a metal shell, and the lower end of the anti-seepage paint layer is fixedly connected with a connecting layer to prevent the transport water at the connection from penetrating and causing damage to the flange.

[0010] According to the sealing flange of the utility model, the connection layer is an aluminum alloy structure, and the lower end of the connection layer is fixedly connected to a bottom reinforcement layer. The multi-layer structure is connected and reinforced, and then separated.

[0011] According to the sealing flange of the utility model, the bottom reinforcement layer is a steel structure, and the outer end of the bottom reinforcement layer is provided with a flange structure, so as to improve the strength of the flange and prevent damage.

[0012] Beneficial Effects

[0013] 1. Compared with the prior art, the sealing flange drives the movable sealing ring to move up and down by setting an outer end fixed shell, a lifting limit column and a connecting column structure, thereby achieving reinforced sealing of the connection.

[0014] 2. Compared with the prior art, the sealing flange improves the anti-seepage ability and self-strength of the flange by setting a multi-layer flange structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 It is a structural diagram of the entire utility model;

[0017] Figure 2 This is a structural diagram of the utility model from a top view;

[0018] Figure 3 This is a structural diagram of the interior of the flange of the utility model;

[0019] Figure 4 for Figure 3 A magnified structural diagram.

[0020] Legend:

[0021] 1. Flange; 2. Connecting hole; 3. Connecting ring; 4. Movable sealing ring; 5. Limit mounting hole; 6. Connecting column; 7. Lifting limit column; 8. Outer end fixing shell; 9. Fixing knob; 10. Anti-seepage paint layer; 11. Connecting layer; 12. Bottom reinforcement layer. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] refer to Figure 1-4 The utility model also provides the above-mentioned sealing flange, including: a flange 1, which strengthens the sealing of the connection structure. A connecting ring 3 is fixedly connected to the upper end of the flange 1 to further strengthen the sealing structure. An outer end fixing shell 8 is fixedly connected to the upper end of the connecting ring 3, and a lifting limit column 7 is fixedly connected to the inside of the fixed shell 8. A connecting column 6 is slidably connected to the inside of the lifting limit column 7, and a movable sealing ring 4 is fixedly connected to the end of the connecting column 6 to drive the movable sealing ring 4 to move up and down. A fixing knob 9 is connected to the top of the lifting limit column 7. The movable sealing ring 4 is fixed in the corresponding position. A connecting hole 2 is provided on the outer ring of the flange 1, and the connecting hole 2 is connected to the valve device. A limiting hole 5 is provided in the middle section of the connecting ring 3, and the inside of the limiting hole 5 is a threaded structure. The water pipe is connected to the valve structure in a straight line.

[0024] The flange 1 is composed of an impermeable paint layer 10, a connecting layer 11 and a bottom reinforcement layer 12, and the flange 1 is a sealing structure. The impermeable paint layer 10 is composed of an impermeable paint and a metal shell to prevent liquid from leaking into the flange and causing damage to the flange. The lower end of the impermeable paint layer 10 is fixedly connected with a connecting layer 11. The connecting layer 11 is an aluminum alloy structure, which connects and fixes the multi-layer structure. The lower end of the connecting layer 11 is fixedly connected with a bottom reinforcement layer 12. The bottom reinforcement layer 12 is a steel structure, and the outer end of the bottom reinforcement layer 12 is provided with a flange 1 structure. Strengthen the overall structure.

[0025] Working principle: When using the device, the water pipe and the valve device are threadedly connected inside the limit installation hole 5 to ensure that the water pipe and the valve device are aligned, and then the connection hole 2 is fixedly connected by the fixing rod device. Then, the lifting limit column 7 is driven up and down by the connection column 6, so that the movable sealing ring 4 is fixed in the corresponding position to strengthen the sealing of the connection structure. Then, the fixing knob 9 is used to install the movable sealing ring 4 in a fixed position.

[0026] At the same time, the flange 1 is composed of a multi-layer structure consisting of an anti-seepage paint layer 10, a connecting layer 11 and a bottom reinforcement layer 12, so as to improve the anti-seepage ability and strength of the flange 1.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Sealing flange, characterized in that: include: A flange (1), wherein the upper end of the flange (1) is fixedly connected to a connecting ring (3), the upper end of the connecting ring (3) is fixedly connected to an outer end fixing shell (8), the outer end fixing shell (8) is fixedly connected to a lifting limit column (7) inside, the lifting limit column (7) is slidably connected to a connecting column (6) inside, the end of the connecting column (6) is fixedly connected to a movable sealing ring (4), and the top end of the lifting limit column (7) is connected to a fixed knob (9).

2. The sealing flange according to claim 1, characterized in that: The outer ring of the flange (1) is provided with a connecting hole (2), and the connecting hole (2) is connected to the valve device.

3. The sealing flange according to claim 1, characterized in that: A limiting hole (5) is provided in the middle section of the connecting ring (3), and the interior of the limiting hole (5) is a threaded structure.

4. The sealing flange according to claim 1, characterized in that: The flange (1) is composed of an anti-seepage paint layer (10), a connecting layer (11) and a bottom reinforcement layer (12), and the flange (1) is a sealing structure.

5. The sealing flange according to claim 4, characterized in that: The anti-seepage paint layer (10) is composed of anti-seepage paint and a metal shell, and the lower end of the anti-seepage paint layer (10) is fixedly connected to a connecting layer (11).

6. The sealing flange according to claim 5, characterized in that: The connection layer (11) is an aluminum alloy structure, and the lower end of the connection layer (11) is fixedly connected to a bottom reinforcement layer (12).

7. The sealing flange according to claim 6, characterized in that: The bottom reinforcement layer (12) is a steel structure, and a flange plate (1) structure is provided at the outer end of the bottom reinforcement layer (12).

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