Flange connection device

Abstract

The utility model belongs to the technical field of flange connection, and is particularly a flange connection device, comprising a first flange, a second flange is arranged below the first flange, a first clamping groove is arranged on the outer surface of the second flange, a second clamping groove is arranged inside the first clamping groove, a sealing groove is arranged on the surface of the second flange, a connecting mechanism is arranged inside the first flange, a fixing mechanism is arranged on one side of the first flange, a through hole is arranged on the surface of the fixing mechanism, a groove is arranged inside the fixing mechanism, a threaded hole is arranged on one side of the groove, and a clamping mechanism is arranged on one side of the fixing mechanism. The utility model makes the connection of the flanges simpler and more convenient through the cooperation of the connecting mechanism, the fixing mechanism and the clamping mechanism and the linkage of the first clamping groove and the second clamping groove on the surfaces of the first flange and the second flange, and can also effectively improve the stability of the flange connection and prevent the flange connection from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of flange connection, in particular to a flange connection device. 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. It can realize the connection between a stationary pipe and a rotating or reciprocating device.

[0003] The prior art has the following problems:

[0004] The existing flange connection device is too complicated in structure, so it is not convenient to install and disassemble, which affects the use effect of the flange. At the same time, the existing flange connection device does not have a good fixing structure, so the connection between the flanges is not firm enough and is prone to loosening, which affects the use effect of the connection device. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a flange connection device, which solves the problem that the existing flange connection devices are not convenient to use and do not have a fixed structure, resulting in an insufficiently stable connection between flanges.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flange connection device, comprising a first flange, a second flange is arranged below the first flange, a first clamping groove is arranged on the outer surface of the second flange, a second clamping groove is arranged inside the first clamping groove, a sealing groove is arranged on the surface of the second flange, a connecting mechanism is arranged inside the first flange, a fixing mechanism is arranged on one side of the first flange, a through hole is arranged on the surface of the fixing mechanism, a groove is arranged inside the fixing mechanism, a threaded hole is arranged on one side of the groove, and a clamping mechanism is arranged on one side of the fixing mechanism;

[0007] The fixing mechanism includes a mounting seat, a movable plate, a connecting plate, a guide rod and a locking bolt. The mounting seat is movably connected to the movable plate inside, a connecting plate is fixedly installed on one side of the mounting seat, a guide rod is fixedly installed on the inside of the mounting seat, and a locking bolt is threadedly connected to the inside of one side of the mounting seat.

[0008] As a preferred technical solution of the utility model, the connecting mechanism includes a connecting screw, a locking nut and a connecting hole. The surface of the connecting screw is threadedly connected with the locking nut, and the surface of the first flange is provided with a connecting hole.

[0009] As an optimal technical solution of the utility model, the clamping mechanism includes a clamping seat, a clamping block, a return spring and a fixed rod. The clamping seat has a return spring fixedly installed inside, one side of the return spring is fixedly connected to the fixed rod, and one side of the fixed rod has a clamping block fixedly installed.

[0010] As a preferred technical solution of the present invention, the first flange and the second flange have the same structure and are arranged in a mirror image, the first slot is arranged around the outer surfaces of the first flange and the second flange, and the second slot is fixedly installed on both sides of the inside of the first slot.

[0011] As a preferred technical solution of the utility model, the mounting seat is movably connected to the upper and lower parts of the movable plate, the mounting seat is arranged in a mirror image, the groove is fixedly installed inside the mounting seat, the guide rod is fixedly installed with the groove, and the locking bolt is threadedly connected with the threaded hole.

[0012] As a preferred technical solution of the utility model, the connecting holes are arranged around the surfaces of the first flange and the second flange, the connecting holes penetrate the first flange and the second flange, and the connecting screws are sleeved with the connecting holes and the through holes.

[0013] As a preferred technical solution of the utility model, the card seat is carded with the first card slot, the card block is carded with the second card slot, and the fixing rod is slidably connected with the card seat.

[0014] Compared with the prior art, the utility model provides a flange connection device, which has the following beneficial effects:

[0015] The utility model provides a flange connection device, through the connection hole opened on the surface of the first flange and the second flange, the connection screw of the connection mechanism is sleeved with the connection hole, and the locking nut is threadedly connected to the upper and lower external surfaces of the connection screw, so that the connection of the flange is simpler and more convenient through the connection mechanism, and at the same time, because the surfaces of the first flange and the second flange are both provided with sealing grooves, the sealing ring can be installed in the sealing groove, thereby effectively improving the sealing performance between the flanges when the connection device is connected to the flanges, and at the same time, because the fixing mechanism is connected to the connection mechanism through the through hole of the connecting plate, and at the first flange and then the second flange The surfaces of the two flanges are both provided with a first slot, so under the action of the locking bolt of the fixing mechanism, the locking bolt can push the movable plate to move inside the groove, thereby making the clamping mechanism move synchronously, and the movement of the clamping mechanism can make the clamping seat and the first slot clamped, and at the same time a return spring is installed inside the clamping seat, so under the cooperation of the return spring and the fixing rod, the clamping block can move outward and clamped with the second slot inside the first slot. Therefore, when the device is in use, the fixing mechanism and the clamping mechanism can be linked to each other to make the connecting mechanism effectively improve the stability of the connection when connecting the flange, and effectively prevent the flange connection from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the front view of the overall installation structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0018] Figure 3 This is a front view of the structure of the clamping mechanism of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the first flange and the second flange of the utility model.

[0020] In the figure: 1. first flange; 2. second flange; 3. connecting mechanism; 31. connecting screw; 32. locking nut; 33. connecting hole; 4. fixing mechanism; 41. mounting seat; 42. movable plate; 43. connecting plate; 44. guide rod; 45. locking bolt; 5. through hole; 6. groove; 7. threaded hole; 8. clamping mechanism; 81. clamping seat; 82. clamping block; 83. reset spring; 84. fixing rod; 9. first clamping slot; 10. second clamping slot; 11. sealing slot. 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] See also Figure 1-4 In this embodiment: a flange connection device comprises a first flange 1, a second flange 2 is arranged below the first flange 1, a first clamping groove 9 is arranged on the outer surface of the second flange 2, a second clamping groove 10 is arranged inside the first clamping groove 9, a clamping mechanism 8 is installed through the first clamping groove 9 and the second clamping groove 10, a sealing groove 11 is arranged on the surface of the second flange 2, a connecting mechanism 3 is arranged inside the first flange 1, a fixing mechanism 4 is arranged on one side of the first flange 1, a through hole 5 is arranged on the surface of the fixing mechanism 4, a groove 6 is arranged inside the fixing mechanism 4, a threaded hole 7 is arranged on one side of the groove 6, and a clamping mechanism 8 is arranged on one side of the fixing mechanism 4;

[0023] The fixing mechanism 4 includes a mounting seat 41, a movable plate 42, a connecting plate 43, a guide rod 44 and a locking bolt 45. The mounting seat 41 is movably connected to the movable plate 42, a connecting plate 43 is fixedly installed on one side of the mounting seat 41, a guide rod 44 is fixedly installed on the inside of the mounting seat 41, and a locking bolt 45 is threadedly connected to the inside of one side of the mounting seat 41. Through the cooperation of the fixing mechanism 4 and the clamping mechanism 8, the connection stability of the flange can be effectively improved.

[0024] In this embodiment, the connecting mechanism 3 includes a connecting screw 31, a locking nut 32 and a connecting hole 33. The surface of the connecting screw 31 is threadedly connected with the locking nut 32. The surface of the first flange 1 is provided with a connecting hole 33. The first flange 1, the second flange 2 and the fixing mechanism 4 are connected and fixed by the connecting mechanism 3; the clamping mechanism 8 includes a clamping seat 81, a clamping block 82, a reset spring 83 and a fixing rod 84. The inside of the clamping seat 81 is fixedly installed with a reset spring 83, one side of the reset spring 83 is fixedly connected with a fixing rod 84, and one side of the fixing rod 84 is fixedly installed with a clamping block 82. The reset spring 83 enables the clamping block 82 to be clamped with the second clamping groove 10; the first flange 1 and the second flange 2 have the same structure and are arranged in a mirror image. The first clamping groove 9 is arranged around the outer surfaces of the first flange 1 and the second flange 2, and the second clamping groove 10 is fixedly installed on the first On both sides of the interior of the slot 9, the stability of the flange connection is improved by the cooperation of the first slot 9, the second slot 10 and the clamping mechanism 8; the mounting seat 41 is movably connected to the upper and lower sides of the movable plate 42, the mounting seat 41 is arranged in a mirror image, the groove 6 is fixedly installed inside the mounting seat 41, the guide rod 44 is fixedly installed with the groove 6, the locking bolt 45 is threadedly connected with the threaded hole 7, and the movable plate 42 can be pushed to move by rotating the locking bolt 45; the connecting holes 33 are arranged around the surfaces of the first flange 1 and the second flange 2, the connecting holes 33 pass through the first flange 1 and the second flange 2, the connecting screw 31 is sleeved with the connecting hole 33 and the through hole 5, and the connecting screw 31 can pass through the first flange 1 and the second flange 2 through the connecting hole 33; the clamping seat 81 is clamped with the first slot 9, the clamping block 82 is clamped with the second slot 10, and the fixing rod 84 is slidably connected with the clamping seat 81.

[0025] The working principle and use process of the utility model are as follows: the operator places the sealing ring in the sealing groove 11 of the second flange 2, and aligns the first flange 1 with the second flange 2 so that the sealing ring can be clamped between the first flange 1 and the second flange 2. After aligning the through hole 5 of the fixing mechanism 4 with the connecting holes 33 of the first flange 1 and the second flange 2, and after passing the connecting screw 31 through the through hole 5 and the connecting hole 33, the first flange 1 and the second flange 2 can be connected by using the locking nut 32, and the fixing mechanism 4 can also be fixedly installed on the first flange. After the disk 1 and the second flange disk 2 are installed, by rotating the locking bolt 45, since the locking bolt 45 is threadedly connected to the threaded hole 7, the locking bolt 45 can push the movable plate 42 to move, and the movable plate 42 can drive the clamping mechanism 8 to move synchronously, so that the clamping seat 81 enters the interior of the first clamping groove 9 and clamps with the first clamping groove 9. At the same time, due to the reaction force of the reset spring 83, the fixing rod 84 can push the clamping block 82 to move outward and clamp with the second clamping groove 10. Therefore, the device realizes the flange connection and fixation through the connecting mechanism 3, the fixing mechanism 4 and the clamping mechanism 8.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flange connection device, comprising a first flange (1), a second flange (2) being arranged below the first flange (1), a first clamping groove (9) being arranged on the outer surface of the second flange (2), a second clamping groove (10) being arranged inside the first clamping groove (9), and a sealing groove (11) being arranged on the surface of the second flange (2), characterized in that: A connecting mechanism (3) is provided inside the first flange (1), a fixing mechanism (4) is provided on one side of the first flange (1), a through hole (5) is provided on the surface of the fixing mechanism (4), a groove (6) is provided inside the fixing mechanism (4), a threaded hole (7) is provided on one side of the groove (6), and a clamping mechanism (8) is provided on one side of the fixing mechanism (4); The fixing mechanism (4) comprises a mounting seat (41), a movable plate (42), a connecting plate (43), a guide rod (44) and a locking bolt (45); the mounting seat (41) is movably connected to the movable plate (42) inside, the connecting plate (43) is fixedly installed on one side of the mounting seat (41), the guide rod (44) is fixedly installed inside the mounting seat (41), and the locking bolt (45) is threadedly connected to the inside of one side of the mounting seat (41).

2. A flange connection device according to claim 1, characterized in that: The connecting mechanism (3) comprises a connecting screw (31), a locking nut (32) and a connecting hole (33); the surface of the connecting screw (31) is threadedly connected with the locking nut (32); and the surface of the first flange (1) is provided with a connecting hole (33).

3. A flange connection device according to claim 1, characterized in that: The clamping mechanism (8) comprises a clamping seat (81), a clamping block (82), a return spring (83) and a fixing rod (84); the return spring (83) is fixedly installed inside the clamping seat (81); one side of the return spring (83) is fixedly connected to the fixing rod (84); and one side of the fixing rod (84) is fixedly installed with the clamping block (82).

4. A flange connection device according to claim 1, characterized in that: The first flange (1) and the second flange (2) have the same structure and are arranged in a mirror image, the first slot (9) is arranged around the outer surfaces of the first flange (1) and the second flange (2), and the second slot (10) is fixedly installed on both sides of the inside of the first slot (9).

5. A flange connection device according to claim 1, characterized in that: The mounting seat (41) is movably connected to the upper and lower parts of the movable plate (42); the mounting seat (41) is arranged in a mirror image; the groove (6) is fixedly installed inside the mounting seat (41); the guide rod (44) is fixedly installed in the groove (6); and the locking bolt (45) is threadedly connected to the threaded hole (7).

6. A flange connection device according to claim 2, characterized in that: The connection holes (33) are arranged around the surfaces of the first flange (1) and the second flange (2); the connection holes (33) penetrate the first flange (1) and the second flange (2); and the connection screw (31) is sleeved with the connection holes (33) and the through hole (5).

7. A flange connection device according to claim 3, characterized in that: The card seat (81) is carded with the first card slot (9), the card block (82) is carded with the second card slot (10), and the fixing rod (84) is slidably connected with the card seat (81).

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