Sealing mechanism and angle iron flange

Abstract

The sealing mechanism comprises an angle iron flange body and installation assemblies, an outer fixing assembly is arranged outside a pipeline, the installation assemblies are installed on the front side and the rear side of the outer fixing assembly, and each installation assembly comprises a connecting edge, a bolt rod, a spring, a threaded sleeve and a positioning rod. A bolt rod is connected into the connecting edge in a penetrating mode, a threaded sleeve is connected to the end of the bolt rod, and a spring is connected to the side, close to the connecting edge, of the threaded sleeve. Compared with an existing common sealing mechanism and an angle iron flange, the sealing mechanism and the angle iron flange have the advantages that an elastic structure is arranged at the connecting position of the equipment, stability of the connecting position is facilitated through the elastic structure, the stability of the equipment is improved, and the situation that looseness is generated by equipment vibration and the sealing performance of the equipment is affected is avoided; the air bag can extrude the pipeline through expansion of air pressure, the external pressure borne by the pipeline is increased, and therefore the stability of connection between the pipeline and the angle iron flange is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of angle iron flanges, and specifically relates to a sealing mechanism and an angle iron flange. Background Technique

[0002] An angle iron flange is a metal connecting piece used to connect pipelines, air ducts or other equipment. It is usually made of angle iron through processing techniques such as cutting, punching, and welding. Angle iron flanges have the advantages of simple structure, durability, and convenient installation, and are widely used in fields such as ventilation and air conditioning systems, fire protection pipeline systems, and industrial pipelines. The connection method of angle iron flanges is generally to fasten two flanges together with bolts, and a sealing gasket is placed in the middle to ensure the sealing performance of the connection.

[0003] During the working process of the existing angle iron flanges, due to the flow of gas inside the pipeline, the equipment will experience slight vibrations. Long-term vibrations will cause the sealing mechanism of the equipment to become loose, thereby affecting the sealing performance of the equipment and not being able to well meet people's usage requirements. In view of the above situation, technical innovation is carried out on the basis of the existing sealing mechanism and angle iron flanges. Content of the Utility Model

[0004] The purpose of the utility model is to provide a sealing mechanism and an angle iron flange to solve the problem that generally cannot well meet people's usage requirements proposed in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A sealing mechanism and an angle iron flange, including an angle iron flange body and an installation component. An external fixing component is arranged outside the pipeline. The installation component is installed on the front and back sides of the external fixing component, and the installation component includes a connecting edge, a bolt rod, a spring, a threaded sleeve, and a positioning rod. The bolt rod penetrates through the inside of the connecting edge, and a threaded sleeve is connected to the end of the bolt rod. A spring is connected to the side of the threaded sleeve close to the connecting edge, and a positioning rod is arranged outside the threaded sleeve.

[0006] Further, a connecting head is connected to the side of the external fixing component close to the central axis of the pipeline on the right side, and a pressing component is installed inside the external fixing component.

[0007] Further, the external fixing component includes an outer cover and an airbag, and an airbag is arranged inside the outer cover close to the connecting head.

[0008] Further, the external fixing component further includes a first extrusion semi-ring, a second extrusion semi-ring, and a third extrusion semi-ring. A first extrusion semi-ring is arranged on the left side inside the outer cover. A second extrusion semi-ring is arranged on the left side of the airbag, and a third extrusion semi-ring is arranged on the right side of the airbag.

[0009] Furthermore, the pressing component includes a threaded rod, a rotating handle, and a connecting bearing. One end of the threaded rod is connected to the rotating handle, and the other end of the threaded rod is connected to the connecting bearing.

[0010] Furthermore, the pressing component further includes a moving plate, a piston, and a guide rod. A moving plate is connected to the side of the connecting bearing away from the threaded rod. A piston is connected to the side of the moving plate away from the connecting bearing. The guide rod penetrates through the front and back sides of the piston.

[0011] An angle iron flange includes an angle iron flange body, and the angle iron flange body is installed with a sealing mechanism as described above.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows: The connection part of the device has an elastic structure. Through the elastic structure, the stability of the connection part is facilitated, thereby increasing the stability of the device and avoiding loosening caused by the vibration of the device, which affects the sealing performance of the device. The device has a pneumatic expansion structure. Through the expansion of air pressure, the airbag can squeeze the pipeline, increasing the external pressure borne by the pipeline, thereby increasing the stability of the connection between the pipeline and the angle iron flange;

[0013] 1. Through the threaded connection between the threaded sleeve and the bolt rod in the present utility model, after the threaded sleeve moves, it will compress the spring, so that the spring continuously pushes the connection edge, making the two connection edges approach, thereby increasing the connection stability between the bolt rod and the threaded sleeve;

[0014] 2. By rotating the threaded rod in the present utility model, the moving plate can be pushed, so that the piston moves, and the gas inside the outer cover is pushed into the airbag, causing the airbag to expand and squeeze the pipeline, thereby increasing the sealing performance of the airbag to the pipeline and enhancing the sealing effect of the device, avoiding air leakage in the connection between the pipeline and the angle iron flange body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of the present utility model;

[0016] Figure 2 is an external three-dimensional structural schematic diagram of the external fixing component of the present utility model;

[0017] Figure 3 is a sectional three-dimensional structural schematic diagram of the external fixing component of the present utility model.

[0018] In the figure: 1, angle iron flange body; 2, pipeline; 3, connector; 4, external fixing component; 401, outer cover; 402, first extrusion half ring; 403, second extrusion half ring; 404, airbag; 405, third extrusion half ring; 5, pressing component; 501, threaded rod; 502, rotating handle; 503, connecting bearing; 504, moving plate; 505, piston; 506, guide rod; 6, mounting component; 601, connecting edge; 602, bolt rod; 603, spring; 604, threaded sleeve; 605, positioning rod. Detailed implementation mode

[0019] As Figure 1 and Figure 2 shown, a sealing mechanism and an angle iron flange include an angle iron flange body 1 and a mounting component 6. An external fixing component 4 is arranged outside the pipeline 2, and the mounting component 6 is installed on the front and back sides of the external fixing component 4. The mounting component 6 includes a connecting edge 601, a bolt rod 602, a spring 603, a threaded sleeve 604 and a positioning rod 605. The bolt rod 602 penetrates and connects inside the connecting edge 601, and a threaded sleeve 604 is connected to the end of the bolt rod 602. A spring 603 is connected to one side of the threaded sleeve 604 close to the connecting edge 601, and a positioning rod 605 is arranged outside the threaded sleeve 604;

[0020] Through the threaded connection between the threaded sleeve 604 and the bolt rod 602, after the threaded sleeve 604 moves, it will compress the spring 603, so that the spring 603 continuously pushes the connecting edge 601, making the two connecting edges 601 approach, thereby increasing the connection stability between the bolt rod 602 and the threaded sleeve 604.

[0021] As Figure 3 shown, a connector 3 is connected to one side of the right side of the external fixing component 4 close to the central axis of the pipeline 2, and a pressing component 5 is installed inside the external fixing component 4.

[0022] As Figure 3 shown, the external fixing component 4 includes an outer cover 401 and an airbag 404. An airbag 404 is arranged inside the outer cover 401 close to the connector 3. The external fixing component 4 further includes a first extrusion half ring 402, a second extrusion half ring 403 and a third extrusion half ring 405. A first extrusion half ring 402 is arranged on the left side inside the outer cover 401, a second extrusion half ring 403 is arranged on the left side of the airbag 404, and a third extrusion half ring 405 is arranged on the right side of the airbag 404;

[0023] By rotating the threaded rod 501, the moving plate 504 can be pushed, so that the piston 505 moves, and the gas inside the outer cover 401 is pushed into the airbag 404, causing the airbag 404 to expand and squeeze the pipeline 2, thereby increasing the sealing performance of the airbag 404 on the pipeline 2, enhancing the sealing effect of the device, and avoiding air leakage at the connection between the pipeline 2 and the angle iron flange body 1.

[0024] As Figure 3 shown, the pressing assembly 5 includes a threaded rod 501, a rotating handle 502 and a connecting bearing 503. One end of the threaded rod 501 is connected to the rotating handle 502, and the other end of the threaded rod 501 is connected to the connecting bearing 503. The pressing assembly 5 further includes a moving plate 504, a piston 505 and a guide rod 506. The side of the connecting bearing 503 away from the threaded rod 501 is connected to the moving plate 504. The side of the moving plate 504 away from the connecting bearing 503 is connected to the piston 505, and the guide rod 506 penetrates through the front and back sides of the piston 505.

[0025] Rotate the rotating handle 502 to drive the threaded rod 501 to rotate. Due to the threaded connection between the threaded rod 501 and the outer cover 401, the threaded rod 501 pushes the moving plate 504. The threaded rod 501 forms a rotating structure with the moving plate 504 through the connecting bearing 503, enabling the threaded rod 501 to rotate, and the moving plate 504 pushes the piston 505 during the movement.

[0026] An angle iron flange includes an angle iron flange body 1, and the above-mentioned sealing mechanism is installed on the angle iron flange body 1.

[0027] Working principle: When using this sealing mechanism and angle iron flange, first put the pipeline 2 on the angle iron flange body 1, and then rely on the rotating structure formed between the outer cover 401 and the angle iron flange body 1 through the connector 3 to make the two outer covers 401 approach each other, so as to squeeze and fix the pipeline 2. Then, pass the bolt rod 602 through the connecting edge 601. Through the threaded connection between the bolt rod 602 and the threaded sleeve 604, when the bolt rod 602 is rotated, the threaded sleeve 604 will be pulled, so that the threaded sleeve 604 moves along the positioning rod 605, and the threaded sleeve 604 squeezes the spring 603, so that the two connecting edges 601 approach each other, and the two outer covers 401 are butted to complete the fixation of the outer cover 401. At the same time, rely on the first extrusion half-ring 402, the second extrusion half-ring 403 and the third extrusion half-ring 405 to the pipeline 2 to increase the connection stability between the pipeline 2 and the angle iron flange body 1. Then, the staff rotates the rotating handle 502 to drive the threaded rod 501 to rotate. Through the threaded connection between the threaded rod 501 and the outer cover 401, the threaded rod 501 pushes the moving plate 504. The threaded rod 501 forms a rotating structure with the moving plate 504 through the connecting bearing 503, so that the threaded rod 501 can rotate. During the movement of the moving plate 504, the piston 505 is pushed, so that the piston 505 squeezes the gas inside the outer cover 401, so that the airbag 404 collides, and the airbag 404 squeezes the pipeline 2 to increase the connection stability between the pipeline 2 and the angle iron flange body 1. The guide rod 506 has a guiding effect on the piston 505, which is convenient for the moving plate 504 to slide inside the outer cover 401.

Claims

1. A sealing mechanism, characterized in that: The invention comprises an angle iron flange body (1) and a mounting assembly (6); an external fixing assembly (4) is arranged outside the pipeline (2); the mounting assembly (6) is mounted on the front and rear sides of the external fixing assembly (4); the mounting assembly (6) comprises a connecting edge (601), a bolt rod (602), a spring (603), a threaded sleeve (604) and a positioning rod (605); the bolt rod (602) is connected to the inside of the connecting edge (601); the end of the bolt rod (602) is connected to the threaded sleeve (604); the spring (603) is connected to the side of the threaded sleeve (604) close to the connecting edge (601); and the positioning rod (605) is arranged outside the threaded sleeve (604).

2. A sealing mechanism according to claim 1, characterized in that: A connector (3) is connected to the right side of the external fixing component (4) close to the central axis of the pipeline (2), and a pressing component (5) is installed inside the external fixing component (4).

3. A sealing mechanism according to claim 1, characterized in that: The external fixing assembly (4) comprises an outer cover (401) and an air bag (404), and the air bag (404) is arranged on a side of the inner part of the outer cover (401) close to the connecting head (3).

4. A sealing mechanism according to claim 3, characterized in that: The external fixing assembly (4) further comprises a first extrusion half ring (402), a second extrusion half ring (403) and a third extrusion half ring (405), wherein the first extrusion half ring (402) is arranged on the left side of the interior of the outer cover (401), the second extrusion half ring (403) is arranged on the left side of the airbag (404), and the third extrusion half ring (405) is arranged on the right side of the airbag (404).

5. A sealing mechanism according to claim 2, characterized in that: The pressing assembly (5) comprises a threaded rod (501), a rotating handle (502) and a connecting bearing (503), wherein one end of the threaded rod (501) is connected to the rotating handle (502), and the other end of the threaded rod (501) is connected to the connecting bearing (503).

6. A sealing mechanism according to claim 5, characterized in that: The pressing assembly (5) further comprises a movable plate (504), a piston (505) and a guide rod (506), wherein the movable plate (504) is connected to a side of the connecting bearing (503) away from the threaded rod (501), the piston (505) is connected to a side of the movable plate (504) away from the connecting bearing (503), and the guide rod (506) penetrates the front and rear sides of the piston (505).

7. An angle iron flange, comprising an angle iron flange body (1), characterized in that: The angle iron flange body (1) is provided with a sealing mechanism as described in any one of claims 1 to 6.

Images