CN219120042U

CN219120042U - Flange

Info

Publication number: CN219120042U
Application number: CN202320059580.6U
Authority: CN
Inventors: 季绍银; 范林德; 张海波
Original assignee: Zhejiang Delangkai Flange Co ltd
Current assignee: Zhejiang Delangkai Flange Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-02
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of pipeline connection, in particular to a flange. It comprises a connecting cylinder and a flange plate. One end of the flange plate is provided with a connecting pipe, the inner wall of the other end is provided with a mounting groove, and the outer wall is provided with a mounting ring I; the periphery of the mounting groove is provided with a circle of clamping groove. The two sides of the connecting cylinder are respectively provided with a mounting sleeve and a clamping sleeve from inside to outside, and the outer wall is provided with a mounting ring II. The mounting sleeve is in threaded connection with the groove wall of the mounting groove. The clamping sleeve is clamped with the clamping groove. The first mounting ring is provided with a first mounting hole; a second mounting hole is formed in the second mounting ring; the first mounting holes are in one-to-one correspondence with the second mounting holes. The utility model has compact structure and simple installation operation, and the installation sleeve is in threaded connection with the installation groove by utilizing the clamping sleeve and the clamping groove to be clamped, so that the tightness and tightness of the connection between the flange plate and the connecting cylinder are enhanced, and the anti-leakage and anti-corrosion effects are facilitated. Lubricating oil is added through the oil inlet holes and the fastening holes, so that the flange is more smooth to detach and convenient to maintain and overhaul.

Description

Flange

Technical Field

The utility model relates to the technical field of pipeline connection, in particular to a flange.

Background

Flanges, also called flanges or flanges, are parts for interconnecting pipes, which are connected to the pipe ends, and are provided with holes, bolts for tightly connecting the flanges, the flanges are sealed with gaskets, the flanges are disc-shaped parts, most commonly used in pipeline engineering, and the flanges are mainly used for connecting pipelines in pipeline engineering. In the pipeline connection process, the existing flange plates are opposite through the mounting holes, bolts penetrate through the mounting holes, and nuts are screwed at the two ends of the flange plates to mount the flange plates. Therefore, the sealing property and the tightness are insufficient, so that the whole pipeline cannot be connected in a high sealing way, and leakage is easy to occur.

Disclosure of Invention

Aiming at the problems in the background technology, a flange is provided. The utility model has compact structure and simple installation operation, and the installation sleeve is in threaded connection with the installation groove by utilizing the clamping sleeve and the clamping groove to be clamped, so that the tightness and tightness of the connection between the flange plate and the connecting cylinder are enhanced, and the anti-leakage and anti-corrosion effects are facilitated. Lubricating oil is added through the oil inlet holes and the fastening holes, so that the flange is more smooth to detach and convenient to maintain and overhaul.

The utility model provides a flange which comprises a connecting cylinder and flange plates which are arranged at two sides of the connecting cylinder and are in mirror image arrangement. One end of the flange plate is provided with a connecting pipe, the inner wall of the other end is provided with a mounting groove, and the outer wall is provided with a mounting ring I; the periphery of the mounting groove is provided with a circle of clamping groove. The two sides of the connecting cylinder are respectively provided with a mounting sleeve and a clamping sleeve from inside to outside, and the outer wall is provided with a mounting ring II. The mounting sleeve is in threaded connection with the groove wall of the mounting groove. The clamping sleeve is clamped with the clamping groove and is simultaneously connected with the inner wall of the clamping groove in a sliding way. The first mounting ring is provided with a first mounting hole; a second mounting hole is formed in the second mounting ring; the first mounting holes are in one-to-one correspondence with the second mounting holes, the first mounting holes and the second mounting holes are penetrated through by screws, nuts are connected with end threads, and the first mounting ring and the second mounting ring are fixed.

Preferably, the mounting sleeve and the ferrule are coaxially arranged.

Preferably, the clamping sleeve is provided with an oil inlet.

Preferably, the oil inlet is communicated with the clamping groove.

Preferably, the side wall of the flange plate is provided with a fastening hole; the fastening hole is provided with a fastening screw; the end of the fastening screw is propped against the clamping sleeve.

Preferably, a reinforcing rib is arranged between the connecting pipe and the flange plate.

Preferably, a sealing ring made of high-elasticity rubber is arranged in the clamping groove.

Preferably, the surfaces of the flange and the connecting cylinder are coated with an epoxy anti-corrosion coating.

Compared with the prior art, the utility model has the following beneficial technical effects:

1. when the flange is installed, the connecting cylinder is firstly installed on one side of the flange plate, and then the flange plate on the other side of the flange plate is installed on the connecting cylinder. Compact structure, installation easy operation utilizes cutting ferrule and draw-in groove block, and installation cover and mounting groove threaded connection have strengthened leakproofness, the compactness that ring flange and connecting cylinder are connected, do benefit to leak protection, anticorrosive.

2. According to the utility model, the oil inlet hole and the fastening hole are formed, and on one hand, the fastening screw is screwed into the fastening hole to abut against the clamping sleeve. So that the connection between the flange plate and the connecting cylinder is more stable. On the other hand, lubricating oil is added through the fastening holes. Lubricating oil passes through the inlet port and further disperses at mounting groove and draw-in groove for dismantle more smoothly, be convenient for maintain and overhaul the flange.

Drawings

FIG. 1 is a schematic diagram of an installation state of an embodiment of the present utility model;

FIG. 2 is a diagram illustrating a split state according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a connecting cylinder according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a flange in an embodiment of the present utility model.

Reference numerals: 1. a flange plate; 2. a connecting cylinder; 3. a connecting pipe; 4. a mounting groove; 5. a clamping groove; 6. a first mounting ring; 7. a mounting sleeve; 8. a cutting sleeve; 9. a second mounting ring; 10. a screw; 11. a nut; 12. a second mounting hole; 13. a first mounting hole; 14. fastening a screw; 15. a fastening hole; 16. an oil inlet hole; 17. reinforcing ribs.

Detailed Description

Example 1

As shown in fig. 1-4, the flange provided by the utility model comprises a connecting cylinder 2 and flange plates 1 which are arranged at two sides of the connecting cylinder 2 and are in mirror image arrangement. One end of the flange plate 1 is provided with a connecting pipe 3, the inner wall of the other end is provided with a mounting groove 4, and the outer wall is provided with a mounting ring I6; the periphery of the mounting groove 4 is provided with a circle of clamping grooves 5. The two sides of the connecting cylinder 2 are respectively provided with a mounting sleeve 7 and a clamping sleeve 8 from inside to outside, and the outer wall is provided with a mounting ring II 9. The mounting sleeve 7 is in threaded connection with the groove wall of the mounting groove 4. The clamping sleeve 8 is clamped with the clamping groove 5 and is simultaneously connected with the inner wall of the clamping groove in a sliding way. The first mounting ring 6 is provided with a first mounting hole 13; a second mounting hole 12 is formed in the second mounting ring 9; the first mounting holes 13 are in one-to-one correspondence with the second mounting holes 12, the first mounting holes 13 and the second mounting holes 12 are penetrated through by the screw 10, and the end parts are connected with the nuts 11 through threads, so that the first mounting ring 6 and the second mounting ring 9 are fixed.

The working principle of this embodiment is as follows: when the flange is installed, firstly, the clamping sleeve 8 at one side of the connecting cylinder 2 is aligned with the clamping groove 5, and the installation sleeve 7 is screwed into the installation groove 4 until the installation sleeve rotates in place. The clamping sleeve 8 is clamped into the clamping groove 5, and the second mounting hole 12 is opposite to the first mounting hole 13 on one side. Then, the clamping groove 5 on the flange plate 1 on the other side is aligned with the clamping sleeve 8, the mounting groove 4 is screwed on the mounting sleeve 7, and the mounting hole II 12 is opposite to the mounting hole I13 on the other side. Finally, the screw rod 10 passes through the first mounting hole 13 and the second mounting hole 12, and the end part is connected with the nut 11 through threads, so that the flange is mounted. Compact structure, installation easy operation utilizes block and threaded connection, has strengthened leakproofness, the compactness that ring flange 1 and connecting cylinder 2 are connected, does benefit to leak protection, anticorrosive.

Example two

Further, the mounting sleeve 7 and the clamping sleeve 8 are coaxially arranged. And the synchronization of the clamping and the threaded connection is realized.

Further, an oil inlet hole 16 is formed in the clamping sleeve 8. The oil inlet hole 16 is communicated with the clamping groove 5. The oil inlet holes 16 can accelerate the dispersion of the lubricating oil.

Further, a fastening hole 15 is arranged on the side wall of the flange plate 1; the fastening hole 15 is provided with a fastening screw 14; the end of the tightening screw 14 abuts against the ferrule 8, further securing it.

In this embodiment, the oil inlet hole 16 and the fastening hole 15 are provided, and when the flange is mounted, the fastening screw 14 can be screwed into the fastening hole 15 to abut against the ferrule 8, so that the ferrule is further fixed. So that the connection between the flange plate 1 and the connecting cylinder 2 is more stable. When the flange is disassembled, the fastening screw 14 is screwed down, and lubricating oil is added through the fastening hole 15. Lubricating oil passes through oil inlet 16 and further disperses at mounting groove 4 and draw-in groove 5 for dismantle more smoothly, be convenient for maintain and overhaul to the flange.

Example III

Further, the reinforcing ribs 17 are arranged between the connecting pipe 3 and the flange plate 1, so that the firmness of the whole structure is improved.

Further, a sealing ring made of high-elasticity rubber is arranged in the clamping groove 5, so that the tightness is enhanced.

Furthermore, the surfaces of the flange plate 1 and the connecting cylinder 2 are coated with an epoxy anti-corrosion coating layer, so that the service life of the flange is effectively prolonged.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims

1. The flange is characterized by comprising a connecting cylinder (2) and flange plates (1) which are arranged at two sides of the connecting cylinder (2) in a mirror image manner;

one end of the flange plate (1) is provided with a connecting pipe (3), the inner wall of the other end is provided with a mounting groove (4), and the outer wall is provided with a mounting ring I (6); a circle of clamping grooves (5) are formed in the periphery of the mounting groove (4);

the two sides of the connecting cylinder (2) are respectively provided with a mounting sleeve (7) and a clamping sleeve (8) from inside to outside, and the outer wall is provided with a mounting ring II (9);

the mounting sleeve (7) is in threaded connection with the groove wall of the mounting groove (4);

the clamping sleeve (8) is clamped with the clamping groove (5) and is connected with the inner wall of the clamping sleeve in a sliding way;

a first mounting hole (13) is formed in the first mounting ring (6); a second mounting hole (12) is formed in the second mounting ring (9); the first mounting holes (13) are in one-to-one correspondence with the second mounting holes (12), the first mounting holes (13) and the second mounting holes (12) are penetrated through the screw (10), the end parts are connected with the nuts (11) through threads, and the first mounting ring (6) and the second mounting ring (9) are fixed.

2. A flange according to claim 1, characterized in that the mounting sleeve (7) and the clamping sleeve (8) are arranged coaxially.

3. A flange according to claim 1, characterized in that the ferrule (8) is provided with an oil inlet opening (16).

4. A flange according to claim 3, characterized in that the inlet opening (16) communicates with the clamping groove (5).

5. A flange according to claim 1, characterized in that the side wall of the flange plate (1) is provided with fastening holes (15); a fastening screw (14) is arranged on the fastening hole (15); the end of the fastening screw (14) is propped against the clamping sleeve (8).

6. A flange according to claim 1, characterized in that a reinforcing rib (17) is arranged between the connecting pipe (3) and the flange plate (1).

7. A flange according to claim 1, characterized in that a sealing ring of highly elastic rubber material is arranged in the clamping groove (5).

8. A flange according to claim 1, characterized in that the surfaces of the flange plate (1) and the connecting cylinder (2) are coated with an epoxy anti-corrosion coating.