High-pressure sealing flange pipe fitting easy to disassemble and assemble

Abstract

The utility model relates to the technical field of flange pipe fittings, in particular to a high-pressure sealing flange pipe fitting easy to disassemble and assemble, which comprises a pipe shaft, a gasket is arranged at the end of the flange plate, and a connecting hole and an arc-shaped plate are arranged on the surface of the flange plate; the limiting groove is formed in the flange plate; the device has the beneficial effects that when the device is used, the gasket and the flange plate sleeve the connecting screw rod along the connecting hole, then the connecting screw rod is screwed, the flange plate moves downwards along with screwing of the connecting screw rod, the limiting groove in the flange plate also moves downwards, the limiting groove pushes the limiting block when moving, and the limiting block drives the connecting rod to extend; and the connecting rods drive the limiting plates to be clamped at the ends of the inner surfaces of the pressing columns and inwards tension the arc-shaped plates, so that the flange plate is pressed and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of flange pipe fittings, in particular to an easily disassembled high-pressure sealing flange pipe fitting. Background Art

[0002] Flange fittings are generally installed at the joints between equipment and between pipes. Flange fittings can realize the connection between static pipes and rotating or reciprocating equipment, and are widely used in mechanical equipment.

[0003] In the existing structural form of the flange, through holes for bolt engagement are opened around the flange, and a gasket seal is set between the two flanges, and the two flanges are tightly connected by bolts. However, during the disassembly and assembly of this flange, all bolts need to be disassembled and assembled in sequence, which makes the disassembly and assembly process time-consuming and extremely inconvenient to use. Utility Model Content

[0004] The utility model aims to provide a high-pressure sealing flange pipe fitting that is easy to disassemble and assemble, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: an easily detachable high-pressure sealing flange pipe fitting, the easily detachable high-pressure sealing flange pipe fitting comprising:

[0006] A pipe shaft, a flange is fixed on the surface of the pipe shaft;

[0007] A flange, a gasket is arranged at the end of the flange, and a connection hole and an arc plate are arranged on the surface of the flange; and

[0008] The limiting groove is arranged inside the flange.

[0009] Preferably, the connection holes are provided in two groups, and the two groups of connection holes are symmetrically arranged on both sides of the tube axis, and the interiors of the two groups of connection holes are connected with connection screws through threads.

[0010] Preferably, the arc-shaped plates are provided in two groups, and the two groups of arc-shaped plates are symmetrically arranged on both sides of the flange. Fixed plates are fixed to the ends of the arc-shaped plates. The fixed plates are provided in multiple groups, and the surfaces of the multiple groups of fixed plates are provided with fixing holes. The insides of the fixing holes are threadedly connected with fixing screws.

[0011] Preferably, the limiting grooves are provided with two groups, and the two groups of limiting grooves are symmetrically arranged at two ends inside the flange, and the surfaces of the limiting grooves are provided with moving grooves, and the inside of the limiting grooves is slidably connected to the limiting blocks.

[0012] Preferably, a connecting rod is fixedly connected to the surface of the limit block, a slot is provided on the surface of the connecting rod, a limit plate is fixedly provided on the end of the connecting rod, and a clamping column is slidably connected to the surface of the limit plate.

[0013] Preferably, the inner surface of the tube shaft is connected with a pipeline.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The connecting screw proposed by the utility model is slidably connected to the inside of the connecting hole. When in use, the gasket and the flange are put on the connecting screw along the connecting hole, and then the connecting screw is screwed. The flange moves downward as the connecting screw is tightened, and the limiting groove inside the flange also moves downward. When the limiting groove moves, it pushes the limiting block, and the limiting block drives the connecting rod to extend. The connecting rod drives the limiting plate to clamp on the end of the inner surface of the clamping column and tighten the arc plate inward, thereby pressing and fixing the flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0019] In the figure: flange 1, pipe shaft 2, gasket 3, arc plate 4, fixing plate 5, fixing hole 6, fixing screw 7, connecting hole 8, connecting screw 9, limiting groove 10, moving groove 11, limiting block 12, connecting rod 13, clamping groove 14, limiting plate 15, clamping column 16. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 3The utility model provides a technical solution: an easily disassembled high-pressure sealing flange pipe fitting, the easily disassembled high-pressure sealing flange pipe fitting comprising: a pipe shaft (2), a flange (1) fixed on the surface of the pipe shaft (2); a flange (1), a gasket (3) provided at the end of the flange (1), a connecting hole (8) and an arc plate (4) provided on the surface of the flange (1); and a limiting groove (10), provided inside the flange (1), the limiting groove (10) pushes the limiting block (12) when moving, the limiting block (12) drives the connecting rod (13) to extend, the connecting rod (13) drives the limiting plate (15) to be clamped on the end of the inner surface of the clamping column (16) and tighten the arc plate (4) inward, thereby clamping and fixing the flange (1).

[0023] Embodiment 2

[0024] On the basis of the first embodiment, two groups of connection holes (8) are provided, and the two groups of connection holes (8) are symmetrically arranged on both sides of the pipe axis (2). The interiors of the two groups of connection holes (8) are connected with connection screws (9) through threads. Two groups of arc plates (4) are provided, and the two groups of arc plates (4) are symmetrically arranged on both sides of the flange (1). The ends of the arc plates (4) are fixed with fixing plates (5). There are multiple groups of fixing plates (5). The surfaces of the multiple groups of fixing plates (5) are provided with fixing holes (6). The interiors of the fixing holes (6) are connected with fixing screws (7) through threads. The fixing screws (7) are placed in the fixing holes (6) and tightened to make the fixing plates (5) fit tightly. The fixing plates (5) drive the arc plates (4) to protect and perform secondary compression on the flange (1) and the gasket (3), thereby ensuring the durability and stability of the flange pipeline connection.

[0025] Embodiment 3

[0026] On the basis of the second embodiment, two groups of limit grooves (10) are provided, and the two groups of limit grooves (10) are symmetrically arranged at the two ends of the flange (1); the surface of the limit groove (10) is provided with a movable groove (11); the inside of the limit groove (10) is slidably connected to a limit block (12); the surface of the limit block (12) is fixedly connected to a connecting rod (13); the surface of the connecting rod (13) is provided with a clamping groove (14); the end of the connecting rod (13) is fixedly provided with a limit plate (15); the surface of the limit plate (15) is slidably connected to a clamping column (16); the inner surface of the pipe shaft (2) is connected to a pipe; when in use, the gasket (3) and the flange (1) are put on the connecting screw (9) along the connecting hole (8), and then the connecting screw (9) is screwed, and the flange (1) moves downward as the connecting screw (9) is tightened.

[0027] In actual use, the connecting screw (9) is slidably connected inside the connecting hole (8). When in use, the gasket (3) and the flange (1) are put on the connecting screw (9) along the connecting hole (8), and then the connecting screw (9) is screwed. The flange (1) moves downward as the connecting screw (9) is tightened, and the limiting groove (10) inside the flange (1) also moves downward. When the limiting groove (10) moves, it pushes the limiting block (12), and the limiting block (12) drives the connecting rod (13) is extended, the connecting rod (13) drives the limiting plate (15) to be clamped on the end of the inner surface of the clamping column (16) and tighten the arc plate (4) inward, thereby pressing and fixing the flange (1); the fixing screw (7) is inserted into the fixing hole (6) and tightened to make the fixing plate (5) fit tightly, and the fixing plate (5) drives the arc plate (4) to protect and tighten the flange (1) and the gasket (3) for a second time, thereby ensuring the durability and stability of the flange pipe connection.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An easily disassembled high-pressure sealing flange pipe fitting, characterized in that: The easily disassembled high-pressure sealing flange pipe fitting comprises: A pipe shaft (2), a flange (1) being fixed on the surface of the pipe shaft (2); A flange (1), a gasket (3) is provided at the end of the flange (1), and a connecting hole (8) and an arc plate (4) are provided on the surface of the flange (1); and The limiting groove (10) is arranged inside the flange (1).

2. The easily detachable high-pressure sealing flange pipe fitting according to claim 1, characterized in that: The connection holes (8) are provided in two groups, and the two groups of connection holes (8) are symmetrically arranged on both sides of the pipe axis (2). The interiors of the two groups of connection holes (8) are connected with connection screws (9) through threads.

3. The easily detachable high-pressure sealing flange pipe fitting according to claim 2, characterized in that: The arc-shaped plates (4) are provided in two groups, and the two groups of arc-shaped plates (4) are symmetrically arranged on both sides of the flange (1). The ends of the arc-shaped plates (4) are fixed with fixing plates (5). The fixing plates (5) are provided in multiple groups, and the surfaces of the multiple groups of fixing plates (5) are provided with fixing holes (6). The interior of the fixing holes (6) is connected with fixing screws (7) through threads.

4. The easily detachable high-pressure sealing flange pipe fitting according to claim 3, characterized in that: The limiting grooves (10) are provided in two groups, and the two groups of limiting grooves (10) are symmetrically arranged at two ends inside the flange (1); the surfaces of the limiting grooves (10) are provided with moving grooves (11), and the inside of the limiting grooves (10) is slidably connected to the limiting blocks (12).

5. The easily detachable high-pressure sealing flange pipe fitting according to claim 4, characterized in that: A connecting rod (13) is fixedly connected to the surface of the limit block (12), a clamping groove (14) is provided on the surface of the connecting rod (13), a limit plate (15) is fixedly provided at the end of the connecting rod (13), and a clamping column (16) is slidably connected to the surface of the limit plate (15).

6. The easily detachable high-pressure sealing flange pipe fitting according to claim 5, characterized in that: The inner surface of the tube shaft (2) is connected with a pipeline.

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