Flexible connection structure capable of adapting to different pipeline openings

Abstract

The utility model belongs to the technical field of flexible connection structures, and particularly relates to a flexible connection structure capable of adapting to different pipeline openings, which comprises a connecting pipeline, a flange plate and a dosing tank, the dosing tank, a vacuum degassing pump and a pressure relief valve are connected in the connecting pipeline, a drainage pipeline is arranged on one side of the connecting pipeline and connected with a surge tank, and the pressure relief valve is connected with the flange plate. One side of the connecting pipeline is connected with a water pump; the adjacent sides of the water pump and the drainage pipeline are connected with flange plates, and the interiors of the flange plates are connected with connecting plates through locking bolts. The pipe joint can be connected with the corresponding butt joint ports in an inserting mode according to the inserting size of the pipe ports, the sealing rings are arranged in the first butt joint port, the second butt joint port and the third butt joint port, and the pipe joint can be in butt joint with the pipe ports of different sizes and meanwhile has a good sealing effect. The deformation range can be limited while deformation occurs, fracture caused by excessive deformation is avoided, and use is safer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of soft connection structure, specifically is a kind of soft connection structure suitable for different pipe orifice. BACKGROUND

[0002] Integrated water conservation unit is composed of normal-pressure tank, pressure tank, degassing tank, water pump, dosing, micro-bubble filter and the like, integrates normal-pressure water replenishment, system pressure, vacuum degassing, water quality detection and pollution removal and the like, and the unit function is complete, and installation is simple, to maintain the mutual cooperation between internal components, each component needs to be connected by drain pipe, and soft connection structure needs to be used in the connection of pipe.The pipe soft connection is a hollow rubber product used for flexible connection between metal pipes, and is widely used in various pipe systems.

[0003] After searching, the patent with announcement number CN215060285U discloses a high-temperature explosion-proof pipe soft connection structure for blowing ash, the soft connection structure is arranged between two pipes, the two pipes are a first pipe and a second pipe, the head ends of the first pipe and the second pipe are oppositely arranged;The soft connection structure includes a flexible hose and a heat-insulating wear-resistant sleeve, the two ends of the flexible hose are fixedly connected with the first pipe and the second pipe respectively, the outer diameters of the heat-insulating wear-resistant sleeve are smaller than the inner diameters of the two pipes, the heat-insulating wear-resistant sleeve is embedded in the two pipes, and one end of the heat-insulating wear-resistant sleeve is fixedly connected with the first pipe, and the other end is inserted into the second pipe and forms a free end.

[0004] But the size of the connecting port of the structure is fixed, and cannot be applied to different sizes of the butt joint pipe, and has limitations in use. SUMMARY

[0005] The utility model aims at providing a kind of soft connection structure suitable for different pipe orifice to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of soft connection structure suitable for different pipe orifice, including connecting pipeline, flange and dosing tank, the inside of the connecting pipeline is connected with dosing tank, vacuum degassing pump and pressure relief valve, one side of the connecting pipeline is provided with drain pipe, the drain pipe is connected with pressure tank, one side of the connecting pipeline is connected with water pump;

[0007] The side adjacent to the water pump and drain pipe is connected with flange, the inside of the flange is connected with connecting disc by locking bolt, and installation groove is arranged in the inside of connecting disc, the side adjacent to the two connecting discs is connected by flexible hose.

[0008] Preferably, the inside of the connecting disc is sequentially provided with a first interface, a second interface and a third interface, and the plug-in sizes of the first interface, the second interface and the third interface are sequentially increased.

[0009] Preferably, the inside of the first interface, the second interface and the third interface is connected with a sealing ring.

[0010] Preferably, the outside of the flexible hose is equidistantly provided with a first elastic rod, and the outside of the first elastic rod is welded with a second elastic rod.

[0011] Preferably, the side of the connecting disc close to the flexible hose is equidistantly welded with a plug-in block, and the inside of the plug-in block is plugged with a first elastic rod.

[0012] Preferably, the outside of the first elastic rod is provided with a sleeve, the inside of the sleeve is provided with a guide groove, and the inside of the guide groove is plugged with a second elastic rod.

[0013] Preferably, the outside of the sleeve is threadedly connected with an internal thread extension sleeve through a bidirectional thread layer, the inside of the internal thread extension sleeve is provided with an abutting groove, and the inside of the abutting groove is abutted with the plug-in block.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The inside of the connecting disc is sequentially provided with different butt joint interfaces, when in use, the pipeline port at the flange disc is butt jointed with the corresponding butt joint interface, the flange disc is locked with the connecting disc by the lock bolt, and the nut is used for reinforcing at the mounting groove, at this time, the sealing ring in the butt joint interface is abutted with the pipeline port, the utility model can be plugged with the corresponding butt joint interface according to the plug-in size of the pipeline port, and the sealing ring in the first butt joint interface, the second butt joint interface and the third butt joint interface is arranged, so that the pipeline port of different sizes can be butt jointed and has good sealing effect.

[0016] 2. In order to improve the supporting effect of the flexible hose, the first elastic rod in the inside of the plug-in block can buffer the deformation of the flexible hose, the second elastic rod can buffer the deformation of the first elastic rod, the top of the second elastic rod is plugged with the guide groove in the inside of the sleeve, so that the sleeve can limit the deformation range of the second elastic rod, the utility model can limit the deformation range while deforming, avoids the rupture caused by excessive deformation, and is safer in use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model connecting pipeline;

[0018] Figure 2 It is a front view sectional structure schematic diagram of the utility model flexible hose.

[0019] Figure 3 It is the side view structure schematic diagram of the sleeve of the utility model;

[0020] Figure 4 It is the side view structure schematic diagram of the connecting disc of the utility model;

[0021] Figure 5 It is the front view structure schematic diagram of the sleeve of the utility model.

[0022] In the drawing: 1, connecting pipeline; 101, flange plate; 2, dosing tank; 3, vacuum degassing pump; 4, pressure relief valve; 5, drainage pipeline; 501, pressure stabilizing tank; 6, water pump; 7, connecting disc; 701, flexible hose; 702, first butt joint; 703, second butt joint; 704, third butt joint; 705, sealing ring; 8, mounting groove; 801, locking bolt; 9, first elastic rod; 901, second elastic rod; 902, plug-in block; 903, sleeve; 904, guide groove; 905, bidirectional thread layer; 906, internal thread extension sleeve; 907, abutment groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figure 1 and Figure 2 The utility model provides a kind of technical solutions: a soft connection structure suitable for different pipeline mouth, including connecting pipeline 1, flange plate 101 and dosing tank 2, the inside connection of connecting pipeline 1 is connected with dosing tank 2, vacuum degassing pump 3 and pressure relief valve 4, one side of connecting pipeline 1 is provided with drainage pipeline 5, drainage pipeline 5 is connected with pressure stabilizing tank 501, one side of connecting pipeline 1 is connected with water pump 6;

[0025] The side adjacent to water pump 6 and drainage pipeline 5 is connected with flange plate 101, the inside of flange plate 101 is connected with connecting disc 7 by locking bolt 801, and mounting groove 8 is arranged in the inside of connecting disc 7, the side adjacent to two connecting discs 7 is connected by flexible hose 701, first butt joint 702, second butt joint 703 and third butt joint 704 are sequentially arranged in the inside of connecting disc 7, and the plug-in size of first butt joint 702, second butt joint 703 and third butt joint 704 increases gradually, and the inside of first butt joint 702, second butt joint 703 and third butt joint 704 is connected with sealing ring 705.

[0026] In the embodiment, the connecting disc 7 is connected with the flange disc 101, at this time, the pipe opening at the flange disc 101 is connected with the corresponding connecting port, the flange disc 101 is locked with the connecting disc 7 by the locking bolt 801, and the nut is used to reinforce at the mounting groove 8, at this time, the sealing ring 705 in the connecting port is abutted with the pipe opening, the sealing effect is improved, the liquid leakage is effectively prevented, the flexible pipe 701 is inserted with the corresponding connecting port according to the insertion size of the pipe opening, the sealing ring 705 is arranged in the first connecting port 702, the second connecting port 703 and the third connecting port 704, the pipe opening with different sizes can be connected, and the good sealing effect is obtained.

[0027] Referring to Figures 2 to 5 It can be known that the first elastic rod 9 is equidistantly arranged outside the flexible pipe 701, the second elastic rod 901 is welded outside the first elastic rod 9, the insertion block 902 is equidistantly welded on one side of the connecting disc 7 close to the flexible pipe 701, the first elastic rod 9 is inserted into the insertion block 902, the sleeve 903 is arranged outside the first elastic rod 9, the guide groove 904 is arranged in the sleeve 903, the second elastic rod 901 is inserted into the guide groove 904, the sleeve 903 is screw-connected with the internal thread extension sleeve 906 through the bidirectional thread layer 905, the abutting groove 907 is arranged in the internal thread extension sleeve 906, and the abutting groove 907 is abutted with the insertion block 902.

[0028] In the embodiment, in order to improve the supporting effect of the flexible pipe 701, after the connection of the flexible connection structure is completed, the internal thread extension sleeve 906 is rotated, the internal thread extension sleeve 906 is moved to both sides through the thread action of the bidirectional thread layer 905 and the internal thread extension sleeve 906, until the abutting groove 907 is abutted with the insertion block 902, at the same time, the deformation of the flexible pipe 701 can be buffered by the first elastic rod 9, the deformation of the first elastic rod 9 can be buffered by the second elastic rod 901, the top of the second elastic rod 901 is inserted into the guide groove 904 in the sleeve 903, the sleeve 903 can limit the deformation range of the second elastic rod 901, the deformation range can be limited while the deformation occurs, the rupture caused by excessive deformation is avoided, and the use is safer.

[0029] In summary, the utility model uses, the pipe opening of flange plate 101 can be butted with corresponding butt joint, lock bolt 801 is used for locking flange plate 101 with connecting disc 7, and nut is used for reinforcing in installation groove 8, at this time, water pump 6 will be connected pipeline 1 in the water flow that adds medicine, vacuum degassing pump 3 removes gas and pressure relief valve 4 removes partial pipeline pressure through flexible hose 701 and is sent to drain pipeline 5, is discharged from the both sides of drain pipeline 5, wherein the pressure tank 501 at drain pipeline 5 can stabilize the pressure inside drain pipeline 5, the content not being described in detail in the description belongs to the prior art known to the person skilled in the art.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flexible connection structure adaptable to different pipe openings, comprising a connecting pipe (1), a flange (101) and a dosing tank (2), characterized in that: The connecting pipeline (1) is internally connected to a dosing tank (2), a vacuum degassing pump (3) and a pressure relief valve (4); a drainage pipeline (5) is provided on one side of the connecting pipeline (1); the drainage pipeline (5) is connected to a pressure stabilizing tank (501); and a water pump (6) is connected on one side of the connecting pipeline (1); The adjacent sides of the water pump (6) and the drainage pipe (5) are both connected with flanges (101), the interior of the flanges (101) is connected to the connecting plate (7) via locking bolts (801), and the interior of the connecting plate (7) is provided with a mounting groove (8), and the adjacent sides of the two connecting plates (7) are connected via a flexible hose (701).

2. The flexible connection structure adaptable to different pipe openings according to claim 1, characterized in that: The connection disk (7) is provided with a first pair of interfaces (702), a second pair of interfaces (703) and a third pair of interfaces (704) in sequence, and the plugging sizes of the first pair of interfaces (702), the second pair of interfaces (703) and the third pair of interfaces (704) increase in sequence.

3. The flexible connection structure adaptable to different pipe openings according to claim 2, characterized in that: The first pair of interfaces (702), the second pair of interfaces (703) and the third pair of interfaces (704) are all connected to sealing rings (705) inside.

4. The flexible connection structure adaptable to different pipe openings according to claim 1, characterized in that: First elastic rods (9) are equidistantly arranged on the outside of the flexible hose (701), and second elastic rods (901) are welded to the outside of the first elastic rods (9).

5. The flexible connection structure adaptable to different pipe openings according to claim 4, characterized in that: A plug-in block (902) is welded at equal intervals on one side of the connection plate (7) close to the flexible hose (701), and a first elastic rod (9) is plugged into the interior of the plug-in block (902).

6. The flexible connection structure adaptable to different pipe openings according to claim 5, characterized in that: A sleeve (903) is provided on the outside of the first elastic rod (9), a guide groove (904) is provided inside the sleeve (903), and a second elastic rod (901) is inserted into the inside of the guide groove (904).

7. The flexible connection structure adaptable to different pipe openings according to claim 6, characterized in that: The outer side of the sleeve (903) is threadedly connected to the internal thread extension sleeve (906) through a bidirectional thread layer (905), and the inner side of the internal thread extension sleeve (906) is provided with an abutment groove (907), and the inner side of the abutment groove (907) abuts against the plug-in block (902).

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