Aluminum alloy flange for tight connection

Abstract

The utility model discloses a firmly connected aluminum alloy flange, which relates to the technical field of aluminum alloy methods and comprises a connecting pipe, an auxiliary fixing unit, a flange unit and an auxiliary limiting unit. A fourth gasket is fixedly connected to the outer side of one end of the connecting pipe, and a threaded ring is rotationally connected to the outer side of the connecting pipe. The auxiliary fixing unit is mounted on the flange unit; the flange unit comprises a first flange, a limiting sealing ring, a circular hole, a circular cylinder and a third gasket, the connecting pipe is in sliding connection with the inner side of the left end of the first flange, the third gasket is placed between the connecting pipe and the first flange, and the threaded ring is in threaded connection with the outer side of the left end of the first flange. The two flanges can be better attached through the auxiliary fixing device, so that the problem of liquid leakage is reduced, and the two flanges can be connected more tightly by additionally arranging a plurality of sets of gaskets and a limiting and sealing device.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy method, in particular to a fastened aluminum alloy flange. Background Art

[0002] Flanges are a commonly used part structure in mechanical equipment, which can better connect mechanical equipment together. Flanges are also called flanges or flanges. They are parts that connect pipes to each other and are used to connect pipe ends. Flanges are also used on equipment inlets and outlets to connect two devices.

[0003] Among them, the prior art authorization announcement number CN211259940U proposes a connection and fastening aluminum alloy flange, comprising a pair of flange bodies, a pair of the flange bodies are provided with a plurality of connection holes, the pair of the flange bodies are connected by bolts, the bolts are screwed into the plurality of the connection holes, the tail of the bolts is screwed with nuts, and a fastening assembly is installed on the side of the flange body close to the nuts;

[0004] In the prior art, it is impossible to use auxiliary fixing devices to make the two flanges fit more closely, which may cause liquid leakage problems. There are no multiple sets of gaskets and limit sealing devices, which causes sealing problems in the connection between the two flanges. For this reason, we propose a fastened aluminum alloy flange. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a connected and fastened aluminum alloy flange, which can make the two flanges fit more closely through an auxiliary fixing device, thereby reducing the problem of liquid leakage, and can make the connection between the two flanges tighter by adding multiple sets of gaskets and limit sealing devices, which can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fastened aluminum alloy flange, comprising a connecting pipe, an auxiliary fixing unit, a flange unit and an auxiliary limiting unit;

[0007] Connecting pipe: a gasket 4 is fixedly connected to the outer side of one end, and a threaded ring is rotatably connected to the outer side of the connecting pipe;

[0008] Auxiliary fixing unit: installed on the flange unit;

[0009] Flange unit: comprising a first flange, a limit sealing ring, a circular hole, a circular cylinder and a gasket three, the connecting pipe is slidably connected to the inner side of the left end of the first flange, a gasket three is placed between the connecting pipe and the first flange, the threaded ring is threadedly connected to the outer side of the left end of the first flange, a circular cylinder is fixedly connected to the middle part of the right end of the first flange, a limit sealing ring is installed in the middle part of the right end of the first flange, and six circular holes are opened on the outer side of the right end of the first flange;

[0010] Auxiliary limit unit: installed on the flange unit.

[0011] The connecting pipe is connected to the first flange by rotating the threaded ring, and a sealing effect is achieved through the gasket three between the first flange and the connecting pipe. The annular groove one prevents water from leaking when passing through the flange, and the gap between the two flanges is further sealed by the limiting sealing ring, which also plays a limiting role.

[0012] Furthermore, the flange unit also includes a second flange, an annular groove 1, a gasket 1, a gasket 2 and annular groove 2, an annular groove 2 is provided in the middle of the left end of the second flange, six circular holes are provided on the outer side of the left end of the second flange, the circular cylinder is sleeved on the inner side of the middle part of the second flange, the limiting sealing ring is slidably connected with the annular groove 2, a gasket 1 is placed between the limiting sealing ring and the annular groove 2, and a gasket 2 is placed between the first flange and the second flange. When the first flange and the second flange are connected, the gasket 2 seals the middle of the two flanges, the limiting sealing ring is connected with the annular groove 2 to play a sealing and limiting role, and the gasket 1 protects the connection between the annular groove 2 and the limiting sealing ring, thereby achieving a sealing effect when the two flanges are connected.

[0013] Furthermore, the auxiliary limiting unit comprises a movable seat 1, a connecting rod, a movable seat 2, an arc-shaped fixed plate and an arc-shaped rubber sheet, and the two non-adjacent ends of the first flange and the second flange are fixedly connected to two movable seats 1, each movable seat 1 is rotatably connected to one end of the connecting rod, and the other end of each connecting rod is rotatably connected to the movable seat 2, one end of each movable seat 2 is fixedly connected to an arc-shaped fixed plate, and the lower end of each arc-shaped fixed plate is fixedly connected to an arc-shaped rubber sheet. The movable seat 2 is fixed to the connecting pipe by a fixing device, and the friction between the movable seat 2 and the connecting pipe is increased by the auxiliary limiting unit, and the force conduction is provided by the connecting rod, so that the flange can be fixed to the connecting pipe through the arc-shaped rubber sheet and the movable seat 2, and at the same time, the connection between the connecting pipe and the flange is fixed.

[0014] Furthermore, the auxiliary limiting unit further comprises a bolt 1 and a nut 2, wherein the two bolts 1 pass through the two ends of the arc-shaped fixing plate and are threadedly connected with the nut 2. The two arc-shaped fixing plates are fixed by the bolts 1 and the nut 2, thereby achieving the function of fixing the flange and the connecting pipe.

[0015] Furthermore, the auxiliary fixing unit comprises a threaded rod, a sliding ring, an arc-shaped piece and a nut 1, two sliding rings are slidably connected at both ends of the threaded rod, the lower end of the sliding ring is fixedly connected with an arc-shaped piece, and the two ends of the threaded rod are threadedly connected with a nut 1, and one end of the arc-shaped piece is slidably connected with an annular groove 1. By rotating the nut 1, the two sliding rings are brought closer to each other, and the arc-shaped piece is brought closer to each other, so that the first flange and the second flange are fixedly connected through the arc-shaped piece and the annular groove 1, thereby achieving the function of auxiliary fixing of the flange.

[0016] Furthermore, it also includes bolt 2 and nut 3, wherein the bolt 2 passes through the circular holes on the first flange and the second flange and is threadedly connected to the gasket 2. The first flange and the second flange are fixed by the bolt 2 and the nut 3, thereby achieving the function of fixing the flange.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the aluminum alloy flange connected and fastened has the following advantages:

[0018] 1. The aluminum alloy flange fastened by the connection can make the two flanges fit more closely together through the auxiliary positioning device, thereby reducing the leakage problem. The edges of the two flanges are fixed on the outside through the auxiliary positioning device, thereby achieving the effect of fixing the flanges.

[0019] 2. The aluminum alloy flange fastened by this connection can play a more effective sealing role between the two flanges through multiple sets of gaskets and limit sealing devices, so that the two flanges can be staggered and connected with each other, while ensuring the sealing when water flows through. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the left side structure of the utility model;

[0022] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] In the figure: 1 connecting pipe, 2 threaded ring, 3 auxiliary fixing unit, 31 threaded rod, 32 sliding ring, 33 arc-shaped sheet, 34 nut one, 4 flange unit, 41 first flange, 42 limiting sealing ring, 43 circular hole, 44 circular cylinder, 45 second flange, 46 annular groove one, 47 gasket one, 48 gasket two, 49 annular groove two, 410 gasket three, 5 auxiliary limiting unit, 51 movable seat one, 52 connecting rod, 53 movable seat two, 54 arc-shaped fixing plate, 55 arc-shaped rubber sheet, 56 bolt one, 57 nut two, 6 gasket four, 7 bolt two, 8 nut three. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-3 , this embodiment provides a technical solution for a fastened aluminum alloy flange: a fastened aluminum alloy flange, comprising a connecting pipe 1, an auxiliary fixing unit 3, a flange unit 4 and an auxiliary limiting unit 5;

[0026] Connecting pipe 1: a gasket 46 is fixedly connected to the outer side of one end, and a threaded ring 2 is rotatably connected to the outer side of the connecting pipe 1;

[0027] Auxiliary fixing unit 3: installed on flange unit 4; auxiliary fixing unit 3 comprises threaded rod 31, sliding ring 32, arc-shaped piece 33 and nut 1 34. Two sliding rings 32 are slidably connected at both ends of threaded rod 31, arc-shaped piece 33 is fixedly connected at the lower end of sliding ring 32, nut 1 34 is threadedly connected at both ends of threaded rod 31, and one end of arc-shaped piece 33 is slidably connected with annular groove 1 46. By rotating nut 1 34, two sliding rings 32 are brought closer to each other, and arc-shaped piece 33 is brought closer to each other at the same time, so that the first flange 41 and the second flange 45 are fixedly connected through arc-shaped piece 33 and annular groove 1 46, thereby achieving the function of auxiliary fixing of flanges.

[0028] Flange unit 4: comprises a first flange 41, a limiting sealing ring 42, a circular hole 43, a circular cylinder 44 and a gasket three 410, the connecting pipe 1 is slidably connected to the inner side of the left end of the first flange 41, a gasket three 410 is placed between the connecting pipe 1 and the first flange 41, the threaded ring 2 is threadedly connected to the outer side of the left end of the first flange 41, a circular cylinder 44 is fixedly connected to the middle part of the right end of the first flange 41, a limiting sealing ring 42 is installed in the middle part of the right end of the first flange 41, and six circular holes 43 are opened on the outer side of the right end of the first flange 41; the connecting pipe 1 is connected to the first flange 41 by rotating the threaded ring 2, and the sealing effect is achieved by the gasket three 410 between the first flange 41 and the connecting pipe 1, the annular groove one 46 prevents water from leaking when passing through the flange, and the limiting sealing ring 42 further seals the gap where the two flanges are connected, and at the same time plays a limiting role.

[0029] The flange unit 4 further comprises a second flange 45, an annular groove 1 46, a gasket 1 47, a gasket 2 48 and an annular groove 2 49. An annular groove 2 49 is provided in the middle of the left end of the second flange 45, six circular holes 43 are provided on the outer side of the left end of the second flange 45, a circular cylinder 44 is sleeved on the inner side of the middle of the second flange 45, a limiting sealing ring 42 is slidably connected with the annular groove 2 49, a gasket 1 47 is placed between the limiting sealing ring 42 and the annular groove 2 49, and a gasket 2 48 is placed between the first flange 41 and the second flange 45. When the first flange 41 and the second flange 45 are connected, the gasket 2 48 seals the middle of the two flanges, the limiting sealing ring 42 is connected with the annular groove 2 49 to seal and limit, and the gasket 1 47 protects the connection between the annular groove 2 49 and the limiting sealing ring 42, thereby achieving a sealing effect when the two flanges are connected.

[0030] Auxiliary limiting unit 5: Installed on flange unit 4, auxiliary limiting unit 5 comprises movable seat 1 51, connecting rod 52, movable seat 2 53, arc-shaped fixed plate 54 and arc-shaped rubber sheet 55. Two movable seats 1 51 are fixedly connected to the two non-adjacent ends of first flange 41 and second flange 45. Each movable seat 1 51 is rotatably connected to one end of connecting rod 52, and the other end of each connecting rod 52 is rotatably connected to movable seat 2 53. One end of each movable seat 2 53 is fixedly connected to arc-shaped fixed plate 54, and the lower end of each arc-shaped fixed plate 54 is fixedly connected to arc-shaped rubber sheet 55. The movable seat 2 53 is fixed to the connecting pipe 1 through the fixing device, and the friction between the movable seat 2 53 and the connecting pipe 1 is increased through the auxiliary limiting unit 5. The connecting rod 52 provides force transmission, so that the flange can be fixed to the connecting pipe 1 through the arc-shaped rubber sheet 55 and movable seat 2 53, and the connection between the connecting pipe 1 and the flange is fixed.

[0031] The auxiliary limiting unit 5 further includes a bolt 1 56 and a nut 2 57. The two bolts 1 56 pass through the two ends of the arc-shaped fixing plate 54 and are threadedly connected with the nut 2 57. The two arc-shaped fixing plates 54 are fixed by the bolt 1 56 and the nut 2 57, so as to achieve the function of fixing the flange and the connecting pipe 1.

[0032] It also includes bolt 2 7 and nut 3 8. Bolt 2 7 passes through circular holes 43 on first flange 41 and second flange 45 and is threadedly connected with gasket 2 48. Bolt 2 7 and nut 3 8 are used to fix first flange 41 and second flange 45, thereby achieving the function of fixing flanges.

[0033] The working principle of a fastened aluminum alloy flange provided by the utility model is as follows: the connecting pipe 1 is connected to the first flange 41 by rotating the threaded ring 2, the gasket three 410 between the first flange 41 and the connecting pipe 1 is used to achieve a sealing effect, the annular groove one 46 is used to prevent water flow from leaking when passing through the flange, and the gap between the two flanges is further sealed by the limiting sealing ring 42, which also plays a limiting role. When the first flange 41 and the second flange 45 are connected, the gasket two 48 is used to seal the middle of the two flanges, the limiting sealing ring 42 is connected to the annular groove two 49 to play a sealing and limiting role, and the gasket one 47 is used to protect the connection between the annular groove two 49 and the limiting sealing ring 42, thereby achieving a sealing effect when the two flanges are connected. The movable seat 2 53 is fixed on the connecting pipe 1 by a fixing device, and the friction between the movable seat 2 53 and the connecting pipe 1 is increased by the auxiliary limiting unit 5, and the force is transmitted by the connecting rod 52, so that the flange can be fixed on the connecting pipe 1 through the arc rubber sheet 55 and the movable seat 2 53, and the connection between the connecting pipe 1 and the flange is fixed. The two arc fixing plates 54 are fixed by bolts 1 56 and nuts 2 57, so as to achieve the effect of fixing the flange and the connecting pipe 1. By rotating the nut 1 34, the two sliding rings 32 are brought closer to each other, and the arc sheet 33 is driven to approach each other, so as to achieve the effect of fixing the first flange 41 and the second flange 45 through the arc sheet 33 and the annular groove 1 46, so as to achieve the effect of auxiliary fixing of the flange. The first flange 41 and the second flange 45 are fixed by bolts 2 7 and nuts 3 8, so as to achieve the effect of fixing the flange.

[0034] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made 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 fastened aluminum alloy flange, characterized in that: It comprises a connecting pipe (1), an auxiliary fixing unit (3), a flange unit (4) and an auxiliary limiting unit (5); A connecting pipe (1): a gasket (6) is fixedly connected to the outer side of one end, and a threaded ring (2) is rotatably connected to the outer side of the connecting pipe (1); Auxiliary fixing unit (3): mounted on the flange unit (4); The flange unit (4) comprises a first flange (41), a limiting sealing ring (42), a circular hole (43), a circular cylinder (44) and a gasket three (410); the connecting pipe (1) is slidably connected to the inner side of the left end of the first flange (41); a gasket three (410) is placed between the connecting pipe (1) and the first flange (41); the threaded ring (2) is threadedly connected to the outer side of the left end of the first flange (41); a circular cylinder (44) is fixedly connected to the middle of the right end of the first flange (41); a limiting sealing ring (42) is installed in the middle of the right end of the first flange (41); and six circular holes (43) are opened on the outer side of the right end of the first flange (41); Auxiliary limit unit (5): installed on the flange unit (4).

2. The aluminum alloy flange for fastening connection according to claim 1, characterized in that: The flange unit (4) further comprises a second flange (45), an annular groove 1 (46), a gasket 1 (47), a gasket 2 (48) and annular groove 2 (49); an annular groove 2 (49) is provided at the middle of the left end of the second flange (45); six circular holes (43) are provided at the outer side of the left end of the second flange (45); the circular cylinder (44) is sleeved on the inner side of the middle of the second flange (45); the limiting sealing ring (42) is slidably connected to the annular groove 2 (49); a gasket 1 (47) is placed between the limiting sealing ring (42) and the annular groove 2 (49); and a gasket 2 (48) is placed between the first flange (41) and the second flange (45).

3. The aluminum alloy flange for fastening connection according to claim 2, characterized in that: The auxiliary limiting unit (5) comprises a movable seat one (51), a connecting rod (52), a movable seat two (53), an arc-shaped fixed plate (54) and an arc-shaped rubber sheet (55); two non-adjacent ends of the first flange (41) and the second flange (45) are fixedly connected to two movable seats one (51); each movable seat one (51) is rotatably connected to one end of the connecting rod (52); the other end of each connecting rod (52) is rotatably connected to the movable seat two (53); one end of each movable seat two (53) is fixedly connected to the arc-shaped fixed plate (54); the lower end of each arc-shaped fixed plate (54) is fixedly connected to the arc-shaped rubber sheet (55).

4. The aluminum alloy flange for fastening connection according to claim 1, characterized in that: The auxiliary limiting unit (5) further comprises a bolt 1 (56) and a nut 2 (57), wherein the two bolts 1 (56) respectively pass through two ends of the arc-shaped fixing plate (54) and are threadedly connected to the nut 2 (57).

5. The aluminum alloy flange for fastening connection according to claim 4, characterized in that: The auxiliary fixing unit (3) comprises a threaded rod (31), a sliding ring (32), an arc-shaped piece (33) and a nut (34); two sliding rings (32) are slidably connected at both ends of the threaded rod (31); the lower end of the sliding ring (32) is fixedly connected with the arc-shaped piece (33); two ends of the threaded rod (31) are threadedly connected with a nut (34); and one end of the arc-shaped piece (33) is slidably connected to an annular groove (46).

6. The aluminum alloy flange for fastening connection according to claim 1, characterized in that: It also includes a second bolt (7) and a third nut (8), wherein the second bolt (7) passes through the circular holes (43) on the first flange (41) and the second flange (45) and is threadedly connected with the second gasket (48).

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