Flange connecting structure

Abstract

The utility model provides a flange connecting structure which comprises a connecting base body, mounting grooves are formed in the inner walls of the side ends of connecting plates, fastening plates are fixedly connected to the inner walls of the side ends of the mounting grooves, connecting flanges are arranged on the inner walls of the two ends of the connecting base body, butt-joint mounting plates are fixedly connected to the inner walls of the right ends of the connecting flanges, and the butt-joint mounting plates are fixedly connected to the inner walls of the right ends of the connecting flanges. A connecting mounting plate is fixedly connected to the inner wall of the left end of the connecting flange, a sealing plate is arranged on the inner wall of one end of the telescopic supporting rod, and mounting plates are arranged on the inner walls of the side ends of the connecting mounting plate. According to the flange connecting structure, the flange connecting position of the device can be sealed through the sealing plates arranged at the two ends, then rainwater entering the device along the connecting position is reduced, the mounting space of the two ends of the device is small, and the mounting plate arranged at the side end of the connecting mounting plate is connected, so that the rainwater is prevented from entering the device. Enough operation space can be provided, so that a worker can conveniently use a tool to carry out mounting and dismounting operation.

Description

Technical Field

[0001] The utility model relates to the technical field of flange connection, in particular to a flange connection structure. Background Art

[0002] Flange connection is a detachable joint that fixes two pipes, pipe fittings or equipment on a flange plate, then adds a flange gasket between the two flange plates, and finally tightens the two flange plates with bolts to make them tightly combined. In the field of mechanical design, there are a large number of flange connection structures used to transmit fluid media, in which the flange connection surface must be able to maintain good connectivity and sealing in a fluid medium with a certain pressure.

[0003] During the installation and use of common device flanges, workers are usually required to install and use multiple connecting bolts, which makes the installation cumbersome. At the same time, during daily use of the device flange, rainwater can easily enter the flange through the connection position, which will cause the flange connection position to loosen, affecting the normal use of the flange and making it less practical.

[0004] Therefore, it is necessary to provide a flange connection structure to solve the above technical problems. Utility Model Content

[0005] The utility model provides a flange connection structure, which solves the problem that rainwater easily enters into the interior of the flange along the connection position, thereby causing the flange connection position to become loose.

[0006] In order to solve the above technical problems, the utility model provides a flange connection structure comprising: a connection base, a connection plate is fixedly connected to the inner walls at both ends of the connection base, a fixing groove is arranged on the inner walls at both ends of the connection base, a fixing plate is arranged on the inner wall at the middle top of the connection base, a fixing rod is arranged on the inner wall at the top of the fixing plate, a rotating valve is arranged on the inner wall at the top of the fixing rod, an installation groove is arranged on the inner wall at the side end of the connection plate, a fastening plate is fixedly connected to the inner wall at the side end of the installation groove, and a fastening screw is arranged on the inner wall at the side end of the fastening plate Bolt, connecting flanges are provided on the inner walls at both ends of the connecting base, a docking mounting plate is fixedly connected to the inner wall of the right end of the connecting flange, a connecting mounting plate is fixedly connected to the inner wall of the left end of the connecting flange, limited cavities are provided on the inner walls of the side ends of the connecting mounting plates, telescopic support rods are provided inside the side ends of the limiting cavities, a return spring is provided on the inner wall of the side ends of the telescopic support rods, a sealing plate is provided on the inner wall of one end of the telescopic support rod, mounting plates are provided on the inner walls of the side ends of the connecting mounting plates, and limited holes are provided on the inner walls of the side ends of the mounting plates.

[0007] Preferably, protective support rods are provided on the inner walls at both ends of the connection base, and support rods are provided on the inner walls at the side ends of the protective support rods.

[0008] Preferably, a sealing gasket is provided on the inner wall of the bottom of the fixing rod.

[0009] Preferably, the inner wall of the side end of the docking mounting plate is provided with mounting holes, the inside of the side end of the mounting hole is provided with fixing bolts, and the inner wall at the bottom of the fastening bolt and the fixing bolt is provided with a limiting gasket.

[0010] Preferably, a sponge cushion layer is provided on the inner wall of the side end of the sealing plate, and support plates are provided on the inner walls of both ends of the connecting flange.

[0011] Preferably, a protective substrate is provided on the inner wall of the side end of the connecting flange.

[0012] Compared with the related art, the flange connection structure provided by the utility model has the following beneficial effects:

[0013] The utility model provides a flange connection structure. During the installation and use of the device flange, in order to reduce the influence of rainwater erosion and other factors that cause the flange connection position to become loose, sealing plates are set at both ends to seal the device flange connection position, thereby reducing rainwater from entering the device along the connection position and improving the stability of the device. Moreover, when the device is installed and used, the installation space at both ends is small. By connecting the installation plates set at the side ends of the installation plates, there can be enough operating space, which is convenient for the staff to use tools to perform installation and disassembly operations, thereby improving the installation efficiency of the device, reducing the workload of later installation and disassembly, and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of a flange connection structure provided by the utility model;

[0015] Figure 2 for Figure 1 The structural schematic diagram of the mounting plate shown;

[0016] Figure 3 for Figure 1 A front structural schematic diagram of a flange connection structure shown;

[0017] Figure 4 for Figure 1 A schematic structural diagram of the connection matrix shown;

[0018] Figure 5 for Figure 1 The structural schematic diagram of the fixed card slot shown;

[0019] Figure 6 for Figure 1 Schematic diagram of the structure of the connecting mounting plate shown.

[0020] Numbers in the figure: 1. connecting base, 2. connecting plate, 3. fixing slot, 4. supporting plate, 5. mounting groove, 6. fastening plate, 7. fastening bolt, 8. limiting gasket, 9. protective support rod, 10. support rod, 11. fixing plate, 12. fixing rod, 13. rotating valve, 14. sealing gasket, 15. connecting flange, 16. docking mounting plate, 17. mounting hole, 18. fixing bolt, 19. connecting mounting plate, 20. limiting cavity, 21. telescopic support rod, 22. reset spring, 23. sealing plate, 24. sponge pad, 25. mounting plate, 26. limiting hole, 27. protective base. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , Figure 6 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of a flange connection structure provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the mounting plate shown; Figure 3 for Figure 1 A front structural schematic diagram of a flange connection structure shown; Figure 4 for Figure 1 A schematic structural diagram of the connection matrix shown; Figure 5 for Figure 1 The structural schematic diagram of the fixed card slot shown; Figure 6 for Figure 1A flange connection structure comprises: a connection base 1, a connection plate 2 is fixedly connected to the inner walls at both ends of the connection base 1, a fixing slot 3 is arranged on the inner walls at both ends of the connection base 1, a fixing plate 11 is arranged on the inner wall at the top of the middle of the connection base 1, a fixing rod 12 is arranged on the inner wall at the top of the fixing plate 11, a rotating valve 13 is arranged on the inner wall at the top of the fixing rod 12, a mounting groove 5 is arranged on the inner wall at the side end of the connection plate 2, a fastening plate 6 is fixedly connected to the inner wall at the side end of the mounting groove 5, a fastening bolt 7 is arranged on the inner wall at the side end of the fastening plate 6, and a fixing plate 11 is arranged on the inner wall at both ends of the connection base 1. A connecting flange 15 is provided, and a docking mounting plate 16 is fixedly connected to the inner wall of the right end of the connecting flange 15, and a connecting mounting plate 19 is fixedly connected to the inner wall of the left end of the connecting flange 15. A limiting cavity 20 is provided on the inner wall of the side end of the connecting mounting plate 19, and a telescopic support rod 21 is provided inside the side end of the limiting cavity 20. A return spring 22 is provided on the inner wall of the side end of the telescopic support rod 21, and a sealing plate 23 is provided on the inner wall of one end of the telescopic support rod 21. A mounting plate 25 is provided on the inner wall of the side end of the connecting mounting plate 19, and a limiting hole 26 is provided on the inner wall of the side end of the mounting plate 25.

[0023] Protective support rods 9 are provided on the inner walls at both ends of the connection base 1, and support rods 10 are provided on the inner walls of the side ends of the protective support rods 9. During the use of the flange, the flange surface can be protected to increase the service life of the device.

[0024] A sealing ring 14 is provided on the inner wall of the bottom of the fixing rod 12 to improve the sealing performance of the workpiece position of the device and reduce the phenomenon of loose connection during use.

[0025] The side inner wall of the docking mounting plate 16 is provided with mounting holes 17, the side inner wall of the mounting holes 17 is provided with fixing bolts 18, and the inner wall at the bottom of the fastening bolts 7 and the fixing bolts 18 is provided with limiting spacer rings 8 to facilitate the installation of other device workpieces on the device flange for convenient installation and use.

[0026] A sponge pad 24 is provided on the inner wall of the side end of the sealing plate 23, and a support plate 4 is provided on the inner walls of both ends of the connecting flange 15. When the workpiece is installed and sealed, the workpiece position can be connected tightly to reduce erosion.

[0027] A protective base 27 is provided on the inner wall of the side end of the connecting flange 15, which can improve the protective stability of the device flange and improve the practicability of the device.

[0028] The working principle of a flange connection structure provided by the utility model is as follows:

[0029] During the installation and use of the device flange, in order to reduce the influence of rainwater erosion and other factors, first, the connecting flanges 15 at both ends are docked and installed on the inner walls at both ends of the connecting base 1. During the docking installation process, a retractable sealing plate 23 is provided on the inner wall of the side end of the connecting flange 15. When the sealing plate 23 is clamped into the fixed card slot 3 at both ends of the connecting base 1, under the action of the reset spring 22, the sealing plate 23 can move sideways. While moving, the sealing plate 23 can fit tightly to the fixed card slot 3 and the inner wall of the connecting mounting plate 19 to seal the connection position, so as to reduce rainwater from entering the device along the connection position and improve the stability of the device. Subsequently, the device is installed and fixed through the mounting plate 25 protruding from the side end of the workpiece, which is convenient for the staff to operate and install.

[0030] Compared with the related art, the flange connection structure provided by the utility model has the following beneficial effects:

[0031] During the installation and use of the device flange, in order to reduce the influence of rain erosion and other factors that cause the flange connection position to become loose, the sealing plates 23 set at both ends can be used to seal the device flange connection position, thereby reducing rainwater from entering the device through the connection position and improving the stability of the device. In addition, when the device is installed and used, there is less installation space at both ends. By connecting the mounting plates 25 set at the side ends of the mounting plate 19, there can be enough operating space, which is convenient for the staff to use tools for installation and disassembly operations, thereby improving the installation efficiency of the device, reducing the workload of later installation and disassembly, and improving the practicality of the device.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A flange connection structure, characterized in that: include: A connecting base, a connecting plate is fixedly connected to the inner walls at both ends of the connecting base, a fixing groove is arranged on the inner walls at both ends of the connecting base, a fixing plate is arranged on the inner wall at the top of the middle of the connecting base, a fixing rod is arranged on the inner wall at the top of the fixing plate, a rotating valve is arranged on the inner wall at the top of the fixing rod, an installation groove is arranged on the inner wall at the side end of the connecting plate, a fastening plate is fixedly connected to the inner wall at the side end of the installation groove, a fastening bolt is arranged on the inner wall at the side end of the fastening plate, and the inner walls at both ends of the connecting base are A connecting flange is provided, a docking mounting plate is fixedly connected to the inner wall of the right end of the connecting flange, a connecting mounting plate is fixedly connected to the inner wall of the left end of the connecting flange, a limited cavity is provided on the inner wall of the side end of the connecting mounting plate, a telescopic support rod is provided inside the side end of the limiting cavity, a reset spring is provided on the inner wall of the side end of the telescopic support rod, a sealing plate is provided on the inner wall of one end of the telescopic support rod, a mounting plate is provided on the inner wall of the side end of the connecting mounting plate, and a limited hole is provided on the inner wall of the side end of the mounting plate.

2. A flange connection structure according to claim 1, characterized in that: Protective support rods are arranged on the inner walls at both ends of the connection base, and support rods are arranged on the inner walls at the side ends of the protective support rods.

3. A flange connection structure according to claim 1, characterized in that: A sealing gasket ring is arranged on the inner wall of the bottom of the fixing rod.

4. A flange connection structure according to claim 1, characterized in that: The inner wall of the side end of the docking installation plate is provided with installation holes, the inside of the side end of the installation hole is provided with fixing bolts, and the inner wall at the bottom of the fastening bolt and the fixing bolt is provided with a limiting spacer ring.

5. The flange connection structure according to claim 1, characterized in that: A sponge cushion layer is arranged on the inner wall of the side end of the sealing plate, and support plates are arranged on the inner walls of both ends of the connecting flange.

6. A flange connection structure according to claim 1, characterized in that: A protective substrate is arranged on the inner wall of the side end of the connecting flange.

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