Rotatable pipe connecting flange

Abstract

The utility model discloses a rotatable pipe connecting flange which comprises a pipe body, a fixing sleeve is fixedly connected to the surface of the pipe body, and a limiting groove is formed in the right side of the fixing sleeve. Meanwhile, the threaded hole is driven to make contact with the connecting assembly, the rotating connecting assembly is in threaded connection with the threaded hole, the connecting flange is driven to move through threaded connection to be in lap joint with the supporting mechanism, and then the mounting work of the connecting flange can be completed; according to the flange connecting device, the connecting holes can be aligned and adjusted only by rotating the flange, so that the aims of aligning the flange connecting holes and adjusting the sizes of the holes by rotating and disassembling the flange are achieved, and the problem that the limitation of flange connection is greatly increased due to the fact that an existing flange is usually welded to a pipe is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting flanges, in particular to a rotatable pipe connecting flange. Background Art

[0002] The connecting flange is a part that connects pipes to each other and is connected to the pipe end. There are holes on the flange, and bolts make the two flanges tightly connected. Gaskets are used to seal between them. Flange is a disc-shaped part, which is most common in pipeline engineering.

[0003] Currently, existing flanges are usually welded to pipes when in use, so the flanges cannot be disassembled and rotated and adjusted when in use. When connecting pipelines, if the connection holes of the flanges on the pipelines cannot be aligned, or the connection holes are of different sizes, the pipeline connection work cannot be completed, which greatly increases the limitations of flange connections. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a rotatable pipe connecting flange for solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A rotatable pipe connecting flange comprises a pipe body, a fixing sleeve fixedly connected to the surface of the pipe body, a limiting groove is provided on the right side of the fixing sleeve, a connecting flange is slidably connected to the surface of the fixing sleeve, a threaded hole is provided on the right side of the connecting flange, a sealing gasket is fixedly connected to the left side of the pipe body, and the sealing gasket is fixedly connected to the left side of the fixing sleeve, a rotation limiting mechanism is provided inside the limiting groove, a connecting assembly is provided on the right side of the fixing sleeve, a supporting mechanism is provided on the surface of the fixing sleeve, and a positioning assembly is provided on the surface of the connecting flange.

[0007] Preferably, the rotation limiting mechanism consists of a limiting ring and a connecting ring, the limiting ring is rotatably connected to the inner wall of the limiting groove, the connecting ring is rotatably connected to the inner wall of the limiting groove, and the connecting ring is fixedly connected to the right side of the limiting ring.

[0008] Preferably, the connecting assembly consists of a first fixing ring, a connecting bolt and an anti-slip ring, the first fixing ring is slidingly connected to the right side of the fixing sleeve, and the first fixing ring is fixedly connected to the right side of the connecting ring, the connecting bolt is rotatably connected to the inner wall of the first fixing ring, and the connecting bolt is threadedly connected to the inner wall of the threaded hole, the anti-slip ring is fixedly connected to the surface of the connecting bolt, and the anti-slip ring is rotatably connected to the inner wall of the first fixing ring.

[0009] Preferably, the support mechanism consists of a second fixing ring and a support column, the second fixing ring is fixedly connected to the surface of the fixing sleeve, the support column is fixedly connected to the inner wall of the second fixing ring, and the support column overlaps the right side of the connecting flange.

[0010] Preferably, the positioning assembly consists of a positioning groove and a positioning rod, the positioning groove is opened through the surface of the connecting flange, the positioning rod is fixedly connected to the surface of the first fixing ring, and the positioning rod is slidably connected to the surface of the fixing sleeve, and the surface of the positioning rod is slidably connected to the inner wall of the positioning groove.

[0011] Preferably, there are multiple fixing sleeves, and the multiple fixing sleeves are symmetrically arranged with the vertical center line of the front side of the pipe body as the symmetry axis.

[0012] Preferably, the connecting ring is circular in shape and is made of metal material.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the rotatable pipe connecting flange first selects a connecting flange with a connecting hole of the same size, and slides the connecting flange onto the surface of the fixed sleeve by aligning the positioning component, while driving the threaded hole to contact the connecting component, rotating the connecting component and threading the threaded hole, and driving the connecting flange to move and overlap the supporting mechanism through the threaded connection, so as to complete the installation of the connecting flange, and the connecting flange is assisted by the limiting groove, the rotating limiting mechanism, the connecting component and the positioning component to rotate along the surface of the fixed sleeve to align and adjust the connecting hole; the goal of facilitating the alignment of the flange connecting hole and adjusting the hole size by rotating and disassembling the flange is achieved, and the problem of greatly increased limitations of the flange connection due to the fact that the existing flange is usually welded to the pipe is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the structural survey drawing of the utility model;

[0015] Figure 2 This is an enlarged view of the structure A of the utility model;

[0016] Figure 3 This is a front cross-sectional view of the structure of the utility model;

[0017] Figure 4 This is an enlarged view of the structure B of the utility model;

[0018] Figure 5 It is a schematic diagram of the local structure of the utility model;

[0019] Figure 6 This is an enlarged view of the structure C of the utility model.

[0020] In the figure: 1. pipe body; 2. fixing sleeve; 3. limiting groove; 4. connecting flange; 5. threaded hole; 6. sealing gasket; 7. limiting ring; 8. connecting ring; 9. first fixing ring; 10. connecting bolt; 11. anti-slip ring; 12. second fixing ring; 13. support column; 14. positioning groove; 15. positioning rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Reference Figure 1-6 A rotatable pipe connection flange comprises a pipe body 1, a fixing sleeve 2 is fixedly connected to the surface of the pipe body 1, the number of the fixing sleeves 2 is multiple, and the multiple fixing sleeves 2 are symmetrically arranged with the vertical center line of the front of the pipe body 1 as the symmetry axis, and are used to fix multiple connection flanges 4, so as to facilitate the connection work on both sides of the pipe body 1. A limiting groove 3 is provided on the right side of the fixing sleeve 2, and a connection flange 4 is slidably connected to the surface of the fixing sleeve 2. A threaded hole 5 is provided on the right side of the connection flange 4. A sealing gasket 6 is fixedly connected to the left side of the pipe body 1, and the sealing gasket 6 is fixedly connected to the left side of the fixing sleeve 2, and a limiting groove 3 is provided inside There is a rotation limiting mechanism, which consists of a limiting ring 7 and a connecting ring 8. The connecting ring 8 is circular in shape and is made of metal material. The connecting ring 8 made of metal material has higher strength, is not easily deformed or damaged after being subjected to force, and is more durable. The limiting ring 7 is rotationally connected to the inner wall of the limiting groove 3, the connecting ring 8 is rotationally connected to the inner wall of the limiting groove 3, and the connecting ring 8 is fixedly connected to the right side of the limiting ring 7 for fixing the connecting component, thereby improving the rotation stability of the connecting component. A connecting component is arranged on the right side of the fixing sleeve 2, a supporting mechanism is arranged on the surface of the fixing sleeve 2, and a positioning component is arranged on the surface of the connecting flange 4.

[0023] Specifically, the connecting assembly consists of a first fixing ring 9, a connecting bolt 10 and an anti-slip ring 11. The first fixing ring 9 is slidingly connected to the right side of the fixing sleeve 2, and the first fixing ring 9 is fixedly connected to the right side of the connecting ring 8. The connecting bolt 10 is rotatably connected to the inner wall of the first fixing ring 9, and the connecting bolt 10 is threadedly connected to the inner wall of the threaded hole 5. The anti-slip ring 11 is fixedly connected to the surface of the connecting bolt 10, and the anti-slip ring 11 is rotatably connected to the inner wall of the first fixing ring 9. The threaded connection between the connecting bolt 10 and the threaded hole 5 can threadably fix the connecting flange 4, thereby improving the installation stability of the connecting flange 4.

[0024] Specifically, the supporting mechanism consists of a second fixing ring 12 and a supporting column 13. The second fixing ring 12 is fixedly connected to the surface of the fixing sleeve 2, the supporting column 13 is fixedly connected to the inner wall of the second fixing ring 12, and the supporting column 13 overlaps the right side of the connecting flange 4 to support the connecting flange 4, which facilitates the limiting work of the connecting flange 4 and improves the installation accuracy.

[0025] Specifically, the positioning assembly consists of a positioning groove 14 and a positioning rod 15. The positioning groove 14 is opened through the surface of the connecting flange 4. The positioning rod 15 is fixedly connected to the surface of the first fixing ring 9, and the positioning rod 15 is slidably connected to the surface of the fixing sleeve 2, and the surface of the positioning rod 15 is slidably connected to the inner wall of the positioning groove 14, which is used to locate the installation position of the connecting flange 4, thereby improving the convenience of installation.

[0026] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0027] When in use: first select a connecting flange 4 with the same size of connecting holes, slide the connecting flange 4 onto the surface of the fixing sleeve 2, and align the positioning groove 14 and the positioning rod 15 at the same time. The movement of the connecting flange 4 drives the inner wall of the positioning groove 14 to slide along the surface of the positioning rod 15, and at the same time drives the threaded hole 5 to move and contact with the connecting bolt 10. Rotate the connecting bolt 10 and the anti-slip ring 11 along the inner wall of the first fixing ring 9, so that the connecting bolt 10 can be threadedly connected with the inner wall of the threaded hole 5. At the same time, drive the connecting flange 4 to slide along the surface of the fixing sleeve 2 and contact with the support column 13 through threaded connection, and the installation of the connecting flange 4 can be completed. When it is necessary to align the connecting holes on the connecting flange 4, grasp and drive the connecting flange 4 to rotate along the surface of the fixing sleeve 2, and drive the connecting bolt 10 and the first fixing ring 9 to rotate through the rotation of the connecting flange 4. At the same time, drive the positioning rod 15 to rotate along the surface of the fixing sleeve 2, and drive the connecting ring 8 and the limiting ring 7 to rotate along the inner wall of the limiting groove 3 through the rotation of the first fixing ring 9, so that the rotation adjustment work of the connecting hole of the connecting flange 4 can be carried out.

[0028] To sum up, the rotatable pipe connecting flange first selects a connecting flange 4 with a connecting hole of the same size, and slides the connecting flange 4 onto the surface of the fixed sleeve 2 through the alignment and positioning component, while driving the threaded hole 5 to contact the connecting component, and rotating the connecting component to be threadedly connected with the threaded hole 5. The connecting flange 4 is driven to move and overlap with the supporting mechanism through the threaded connection, and the installation of the connecting flange 4 can be completed. The connecting flange 4 is assisted by the limiting groove 3, the rotating limiting mechanism, the connecting component and the positioning component to rotate along the surface of the fixed sleeve 2, and the connection hole alignment and adjustment work can be performed, thereby achieving the goal of facilitating the alignment and hole size adjustment of the flange connection holes by rotating and disassembling the flange, avoiding the problem that the limitations of the flange connection are greatly increased due to the fact that the existing flange is usually welded to the pipe, and is used to solve the problems raised in the above-mentioned background technology.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] 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. A rotatable pipe connection flange, comprising a pipe body (1), characterized in that: A fixing sleeve (2) is fixedly connected to the surface of the pipe body (1), a limiting groove (3) is provided on the right side of the fixing sleeve (2), a connecting flange (4) is slidably connected to the surface of the fixing sleeve (2), a threaded hole (5) is provided on the right side of the connecting flange (4), a sealing gasket (6) is fixedly connected to the left side of the pipe body (1), and the sealing gasket (6) is fixedly connected to the left side of the fixing sleeve (2), a rotation limiting mechanism is provided inside the limiting groove (3), a connecting component is provided on the right side of the fixing sleeve (2), a supporting mechanism is provided on the surface of the fixing sleeve (2), and a positioning component is provided on the surface of the connecting flange (4).

2. The rotatable pipe connecting flange according to claim 1, characterized in that: The rotation limiting mechanism is composed of a limiting ring (7) and a connecting ring (8); the limiting ring (7) is rotatably connected to the inner wall of the limiting groove (3); the connecting ring (8) is rotatably connected to the inner wall of the limiting groove (3); and the connecting ring (8) is fixedly connected to the right side of the limiting ring (7).

3. The rotatable pipe connecting flange according to claim 1, characterized in that: The connecting assembly is composed of a first fixing ring (9), a connecting bolt (10) and an anti-slip ring (11); the first fixing ring (9) is slidably connected to the right side of the fixing sleeve (2), and the first fixing ring (9) is fixedly connected to the right side of the connecting ring (8); the connecting bolt (10) is rotatably connected to the inner wall of the first fixing ring (9), and the connecting bolt (10) is threadedly connected to the inner wall of the threaded hole (5); the anti-slip ring (11) is fixedly connected to the surface of the connecting bolt (10), and the anti-slip ring (11) is rotatably connected to the inner wall of the first fixing ring (9).

4. The rotatable pipe connecting flange according to claim 1, characterized in that: The support mechanism consists of a second fixing ring (12) and a support column (13); the second fixing ring (12) is fixedly connected to the surface of the fixing sleeve (2); the support column (13) is fixedly connected to the inner wall of the second fixing ring (12); and the support column (13) overlaps the right side of the connecting flange (4).

5. The rotatable pipe connecting flange according to claim 1, characterized in that: The positioning assembly is composed of a positioning groove (14) and a positioning rod (15). The positioning groove (14) is penetrated and opened on the surface of the connecting flange (4). The positioning rod (15) is fixedly connected to the surface of the first fixing ring (9), and the positioning rod (15) is slidably connected to the surface of the fixing sleeve (2), and the surface of the positioning rod (15) is slidably connected to the inner wall of the positioning groove (14).

6. The rotatable pipe connecting flange according to claim 1, characterized in that: The number of the fixing sleeves (2) is multiple, and the multiple fixing sleeves (2) are symmetrically arranged with the vertical center line of the front side of the pipe body (1) as the symmetry axis.

7. The rotatable pipe connecting flange according to claim 2, characterized in that: The connecting ring (8) is circular in shape and is made of metal material.

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