High-stability butt joint device for water supply pipe network construction

Abstract

The utility model discloses a butt joint device with high stability for water supply pipe network construction, and relates to the technical field of water supply pipe network construction devices. An inner seal is fixedly connected to the inner side wall of the middle frame, outer pressing plates are fixedly connected to the outer walls of the left side and the right side of the middle frame, water supply pipes are arranged on the left side and the right side of the middle frame, the middle frame is located between the inner seal gasket and the outer pressing plates, and a plurality of extrusion plates are arranged on the inner side of the inner seal gasket. A middle sealing gasket is arranged between the water supply pipe and the middle frame, and an outer sealing gasket is arranged between the outer pressing plate and the water supply pipe. Through cooperative use of an outer sealing gasket, an inner sealing gasket and a middle sealing gasket, the sealing performance of the pipeline butt joint position is greatly improved, the positions of the inner side wall and the outer side wall of a water supply pipe are fixed through cooperation of an outer pressing plate and a plurality of extrusion plates, and butt joint of pipelines of different sizes is achieved through the adjustment performance of the extrusion plates and the outer pressing plate; and meanwhile, the strength of the butt joint of the water supply pipes is greatly improved through the strength of the extrusion plate and the outer pressing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply pipe network construction devices, in particular to a docking device for water supply pipe network construction with high stability. Background Art

[0002] The pipeline system for conveying and distributing water to users in water supply projects is also called water supply network. It includes water transmission channels, water distribution networks, pressure pumping stations, water towers, pools and network ancillary facilities. The channels from the water source to the water plant only serve to convey water, which is called water transmission network. The pipes coming out of the water plant are called water distribution network. The pipes that mainly serve to convey water in the water distribution network are called trunk pipes. The pipes that are branched from the trunk pipes and serve to distribute water are called branches. The pipes that are connected to users are called user branches. Therefore, the water supply network is composed of many water pipes. The parts where the water pipes are connected need to use docking devices. At present, pipe docking is generally carried out through flanges and bolts. The sealing of the pipe joints is not very good, and the connection strength of the pipe joints is limited, which may cause breakage.

[0003] Therefore, the present application proposes a docking device for water supply network construction with high stability to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a docking device for water supply network construction with high stability, which solves the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a docking device for water supply network construction with high stability, comprising a middle frame, the middle frame is circular, an inner sealing gasket is fixedly connected to the inner wall of the middle frame, and outer compression plates are fixedly connected to the left and right outer walls of the middle frame. Water supply pipes are arranged on the left and right sides of the middle frame, and the adjacent ends of the two water supply pipes extend to the left and right sides of the middle frame respectively. The middle frame is located between the inner sealing gasket and the outer compression plate. A plurality of extrusion plates are arranged on the inner side of the inner sealing gasket, and the extrusion plates are arc-shaped. An extrusion screw is fixedly connected to one end close to the inner sealing gasket, and an end of the extrusion screw away from the extrusion plate sequentially penetrates the inner sealing gasket and the side wall of the middle frame close to the inner sealing gasket, and is slidably connected to the side wall of the middle frame close to the inner sealing gasket through a limiting sliding groove, and an extrusion internal thread barrel is provided at one end of the middle frame away from the inner sealing gasket, and an end of the extrusion internal thread barrel close to the inner sealing gasket penetrates the side wall of the middle frame away from the inner sealing gasket, and is rotatably connected to the inner side wall of the middle frame close to the inner sealing gasket, and an end of the extrusion screw away from the inner sealing gasket extends into the extrusion internal thread barrel and is threadedly connected to the extrusion internal thread barrel.

[0006] Preferably, a tightening ring 1 is sleeved on the outer clamping plate on the left side, and a tightening ring 2 is sleeved on the outer clamping plate on the right side. A tightening adaptation groove is provided at the end of the outer clamping plate away from the middle frame. The outer wall of the outer clamping plate is inclined. The inner walls of the tightening ring 1 and the tightening ring 2 are adapted to the outer wall of the outer clamping plate. The right side end of the tightening ring 1 is fixedly connected to an external fixing screw rod, and the right side end of the external fixing screw rod passes through the tightening ring 2 and is threadedly connected to an external fixing nut.

[0007] Preferably, an intermediate sealing gasket is provided between the water supply pipe and the intermediate frame, and the intermediate sealing gasket is fixed on the outer side wall of the inner sealing gasket.

[0008] Preferably, an external sealing gasket is provided between the external compression plate and the water supply pipe.

[0009] Preferably, a plurality of anti-skid grooves are provided on the inner side wall of the inner sealing gasket, and a plurality of anti-skid protrusions are provided on the side wall of the extrusion plate close to the inner sealing gasket, and the anti-skid protrusions are matched with the anti-skid grooves.

[0010] Preferably, an inner hexagonal adjustment groove is formed at one end of the extrusion internal thread barrel away from the extrusion screw.

[0011] Compared with the related art, the utility model provides a docking device for water supply network construction with higher stability, which has the following beneficial effects:

[0012] 1. The utility model provides a docking device for water supply network construction with high stability. In the device, an extrusion plate and an inner sealing gasket cooperate. Under the action of the extrusion inner threaded barrel and the extrusion screw, the extrusion plate is driven to extrude the inner sealing gasket to approach the inner wall of the water supply pipe, thereby improving the sealing between the extrusion plate and the water supply pipe. The middle sealing gasket is used to improve the sealing between the middle frame and the water supply pipe. At the same time, the outer sealing gasket is used to seal the position between the outer clamping plate and the water supply pipe. When the tightening ring 1 and the tightening ring 2 cooperate to extrude the outer clamping plate, the outer sealing gasket is squeezed, thereby greatly improving the sealing effect of the outer sealing gasket. The outer sealing gasket, the inner sealing gasket and the middle sealing gasket are used in combination to greatly improve the sealing of the pipe joint.

[0013] 2. The utility model provides a docking device for water supply network construction with high stability. In the device, the position of the extrusion plate is adjusted by extruding the internal threaded tube and the extruded threaded rod. At the same time, the tightening ring 1 and the tightening ring 2 cooperate with the outer clamping plates on the left and right sides to realize the outer clamping plate approaching the water supply pipe, so that the outer clamping plate cooperates with a plurality of extrusion plates to fix the position of the inner and outer side walls of the water supply pipe, and the docking of pipes of different sizes is realized through the adjustment performance of the extrusion plate and the outer clamping plate; at the same time, the strength of the water supply pipe joint is greatly improved by the strength of the extrusion plate and the outer clamping plate, thereby effectively avoiding the problem of pipe joint breakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the docking device of the utility model;

[0016] Figure 3 It is a cross-sectional three-dimensional structural schematic diagram of the utility model;

[0017] Figure 4 for Figure 3 A partial enlarged view of the middle part;

[0018] Figure 5 for Figure 3 A partial enlarged view of point B in the middle.

[0019] In the figure: 1. Water supply pipe; 2. Middle frame; 3. External clamping plate; 4. Tightening adaptation groove; 5. Tightening ring 1; 6. Tightening ring 2; 7. External fixing screw; 8. External fixing nut; 9. Internal sealing gasket; 10. Anti-skid groove; 11. Extrusion plate; 12. Anti-skid protrusion; 13. External sealing gasket; 14. Middle sealing gasket; 15. Extrusion screw; 16. Extrusion internal threaded barrel; 17. Internal hexagonal adjustment groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5The utility model provides a technical solution: a docking device for water supply network construction with high stability, including a middle frame 2, the middle frame 2 is circular, an inner sealing gasket 9 is fixedly connected to the inner wall of the middle frame 2, and the outer walls on the left and right sides of the middle frame 2 are fixedly connected to the outer pressing plates 3, and water supply pipes 1 are arranged on the left and right sides of the middle frame 2, and the adjacent ends of the two water supply pipes 1 extend to the left and right sides of the middle frame 2 respectively, and the middle frame 2 is located between the inner sealing gasket 9 and the outer pressing plate 3. A plurality of extrusion plates 11 are arranged on the inner side of the inner sealing gasket 9, and the extrusion plates 11 are arc-shaped, and the end of the extrusion plate 11 close to the inner sealing gasket 9 is fixedly connected An extrusion screw 15 is connected, and one end of the extrusion screw 15 away from the extrusion plate 11 passes through the inner sealing gasket 9 and the side wall of the middle frame 2 close to the inner sealing gasket 9 in sequence, and is slidably connected with the side wall of the middle frame 2 close to the inner sealing gasket 9 through a limiting sliding groove, and an extrusion internal thread barrel 16 is provided at one end of the middle frame 2 away from the inner sealing gasket 9, and one end of the extrusion internal thread barrel 16 close to the inner sealing gasket 9 passes through the side wall of the middle frame 2 away from the inner sealing gasket 9, and is rotatably connected with the inner side wall of the middle frame 2 close to the inner sealing gasket 9, and one end of the extrusion screw 15 away from the inner sealing gasket 9 extends into the extrusion internal thread barrel 16, and is threadedly connected with the extrusion internal thread barrel 16;

[0022] A tightening ring 1 5 is sleeved on the left outer clamping plate 3, and a tightening ring 2 6 is sleeved on the right outer clamping plate 3. A tightening adaptation groove 4 is opened at the end of the outer clamping plate 3 away from the middle frame 2. The outer wall of the outer clamping plate 3 is arranged in an inclined surface. The inner walls of the tightening ring 1 5 and the tightening ring 2 6 are adapted to the outer wall of the outer clamping plate 3. The right end of the tightening ring 1 5 is fixedly connected with an external fixing screw 7. The right end of the external fixing screw 7 passes through the tightening ring 2 6 and is threadedly connected with an external fixing nut 8. When in use, As the outer fixing nut 8 cooperates with the outer fixing screw 7, the tightening ring 1 5 and the tightening ring 2 6 on the left and right sides are driven to approach each other. Through the inclined surface setting on the outer side of the outer clamping plate 3, as the tightening ring 1 5 and the tightening ring 2 6 approach each other, the outer clamping plate 3 is tightened toward the water supply pipe 1, and cooperates with the extrusion plate 11 to realize the connection of the two water supply pipes 1. At the same time, the strength of the extrusion plate 11 and the outer clamping plate 3 itself is used to greatly improve the strength of the joint of the water supply pipe 1, thereby effectively avoiding the problem of pipe joint fracture;

[0023] An intermediate sealing gasket 14 is provided between the water supply pipe 1 and the intermediate frame 2, and the intermediate sealing gasket 14 is fixed on the outer side wall of the inner sealing gasket 9;

[0024] An outer sealing gasket 13 is provided between the outer pressing plate 3 and the water supply pipe 1, and the position between the outer pressing plate 3 and the water supply pipe 1 is sealed by the outer sealing gasket 13. When the tightening ring 1 5 and the tightening ring 2 6 cooperate to squeeze the outer pressing plate 3, the outer sealing gasket 13 is squeezed, thereby greatly improving the sealing effect of the outer sealing gasket 13;

[0025] A plurality of anti-skid grooves 10 are provided on the inner side wall of the inner sealing pad 9, and a plurality of anti-skid protrusions 12 are provided on the side wall of the extrusion plate 11 close to the inner sealing pad 9. The anti-skid protrusions 12 are adapted to the anti-skid grooves 10, and the tight fit between the extrusion plate 11 and the inner sealing pad 9 is ensured by the arrangement between the anti-skid grooves 10 and the anti-skid protrusions 12;

[0026] An end of the extrusion internal thread barrel 16 away from the extrusion screw 15 is provided with an inner hexagonal adjustment groove 17 , through which the extrusion internal thread barrel 16 can be easily adjusted.

[0027] Working principle: When in use, insert the hexagonal wrench into the hexagonal adjusting groove 17 and rotate the extrusion internal threaded barrel 16. The extrusion plate 11 is moved to a position away from the middle frame 2 through the cooperation of the extrusion screw 15 and the extrusion internal threaded barrel 16. The tightening ring 1 5 and the tightening ring 2 6 are respectively sleeved on the water supply pipes 1 on the left and right sides. The adjacent ends of the two water supply pipes 1 are inserted between the outer sealing gasket 13 and the inner sealing gasket 9, and the adjacent ends of the two water supply pipes 1 are respectively in contact with the middle sealing gaskets 14 on the left and right sides. The hexagonal wrench is used to rotate the extrusion internal threaded barrel 16. The extrusion plate 11 is moved toward the middle frame 2 through the cooperation of the extrusion screw 15 and the extrusion internal threaded barrel 16. Using several extrusions, the water supply pipes 1 are pressed together to form a seal. The plate 11 realizes the docking of the left and right water supply pipes 1, and at the same time squeezes the inner sealing gasket 9, so as to ensure the sealing between the extrusion plate 11 and the water supply pipe 1, and the outer fixed screw 7 on the tightening ring 1 5 passes through the tightening ring 2 6, and is threadedly connected with the outer fixed nut 8. When the tightening ring 1 5 and the tightening ring 2 6 are used to squeeze the outer clamping plate 3, the outer sealing gasket 13 is squeezed, so as to greatly improve the sealing effect of the outer sealing gasket 13. The sealing of the pipe joint is greatly improved by the coordinated use of the outer sealing gasket 13, the inner sealing gasket 9 and the middle sealing gasket 14. The strength of the extrusion plate 11 and the outer clamping plate 3 is used to greatly improve the strength of the water supply pipe 1 joint, so as to effectively avoid the problem of pipe joint breakage.

Claims

1. A docking device for water supply network construction with high stability, comprising an intermediate frame (2), characterized in that: The middle frame (2) is circular in shape, an inner sealing gasket (9) is fixedly connected to the inner side wall of the middle frame (2), and outer pressing plates (3) are fixedly connected to the left and right outer walls of the middle frame (2). Water supply pipes (1) are arranged on the left and right sides of the middle frame (2), and the adjacent ends of the two water supply pipes (1) extend to the left and right sides of the middle frame (2) respectively. The middle frame (2) is located between the inner sealing gasket (9) and the outer pressing plate (3). A plurality of extrusion plates (11) are arranged on the inner side of the inner sealing gasket (9), and the extrusion plates (11) are arc-shaped. An extrusion screw (15) is fixedly connected to one end of the extrusion plate (11) close to the inner sealing gasket (9), and the extrusion screw (15) ) one end away from the extrusion plate (11) passes through the inner sealing gasket (9) and the side wall of the middle frame (2) close to the inner sealing gasket (9) in sequence, and is slidably connected to the side wall of the middle frame (2) close to the inner sealing gasket (9) through a limiting sliding groove, and the end of the middle frame (2) away from the inner sealing gasket (9) is provided with an extrusion internal threaded barrel (16), and the end of the extrusion internal threaded barrel (16) close to the inner sealing gasket (9) passes through the side wall of the middle frame (2) away from the inner sealing gasket (9), and is rotatably connected to the inner side wall of the middle frame (2) close to the inner sealing gasket (9), and the end of the extrusion screw (15) away from the inner sealing gasket (9) extends into the extrusion internal threaded barrel (16) and is threadedly connected to the extrusion internal threaded barrel (16).

2. A docking device for water supply network construction with high stability according to claim 1, characterized in that: The outer clamping plate (3) on the left side is provided with a tightening ring 1 (5), and the outer clamping plate (3) on the right side is provided with a tightening ring 2 (6). The end of the outer clamping plate (3) away from the middle frame (2) is provided with a tightening adaptation groove (4). The outer wall of the outer clamping plate (3) is arranged in an inclined surface. The inner walls of the tightening ring 1 (5) and the tightening ring 2 (6) are adapted to the outer wall of the outer clamping plate (3). The right end of the tightening ring 1 (5) is fixedly connected to an external fixing screw (7). The right end of the external fixing screw (7) passes through the tightening ring 2 (6) and is threadedly connected to an external fixing nut (8).

3. A docking device for water supply network construction with high stability according to claim 1, characterized in that: An intermediate sealing gasket (14) is provided between the water supply pipe (1) and the intermediate frame (2), and the intermediate sealing gasket (14) is fixed on the outer side wall of the inner sealing gasket (9).

4. A docking device for water supply network construction with high stability according to claim 1, characterized in that: An external sealing gasket (13) is provided between the external pressing plate (3) and the water supply pipe (1).

5. A docking device for water supply network construction with high stability according to claim 1, characterized in that: A plurality of anti-skid grooves (10) are provided on the inner side wall of the inner sealing pad (9), and a plurality of anti-skid protrusions (12) are provided on the side wall of the extrusion plate (11) close to the inner sealing pad (9), wherein the anti-skid protrusions (12) are matched with the anti-skid grooves (10).

6. A docking device for water supply network construction with high stability according to claim 2, characterized in that: An inner hexagonal adjusting groove (17) is formed at one end of the extrusion internal threaded barrel (16) away from the extrusion screw rod (15).

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