Butt joint device for water supply pipe network construction

Abstract

The utility model relates to a butt joint device for water supply network construction, which comprises a pipeline A, a pipeline B and a fixed connecting sleeve, the inner walls of the two ends of the fixed connecting sleeve are respectively provided with at least one sealing ring I, the outer walls of the two ends of the fixed connecting sleeve are uniformly provided with a plurality of rotatable locking bolts, and the locking bolts are provided with locking nuts. Connecting flanges are fixed to the outer wall of the pipeline A and the outer wall of the pipeline B, a plurality of openings matched with the locking bolts are evenly formed in the outer walls of the connecting flanges, gaskets are arranged between the connecting flanges and the outer ends of the fixed connecting sleeves, sealing gaskets are arranged between the gaskets and the fixed connecting sleeves, and second sealing rings are arranged in inner holes of the gaskets. The joint of the pipeline A and the pipeline B is sleeved with the fixed connecting sleeve, then the connecting flanges fixed to the pipeline A and the pipeline B are connected with the locking bolts on the fixed connecting sleeve, the strength of the joint can be improved, rapid connection can be achieved, in addition, sealing is achieved through the first sealing ring, the second sealing ring and the sealing gasket, and the sealing effect is better.

Description

Technical Field

[0001] The utility model relates to a docking device for water supply pipe network construction, belonging to the technical field of water delivery equipment. Background Art

[0002] The water supply network is a pipeline system for delivering and distributing water to users in a water supply project. The water supply network includes many pipes, and the pipes need to be connected. At present, during the construction of the water supply network, pipe A and pipe B are connected through a docking device. However, the current docking device is put on the connection part through a connecting sleeve, and then fixed by a connecting flange. Such a structural connection strength is not high and the sealing effect is not good. Utility Model Content

[0003] The utility model provides a docking device for water supply pipe network construction, which solves the problems of low connection strength and poor sealing effect of the current docking device.

[0004] The utility model relates to a docking device for water supply pipe network construction, comprising a pipe A and a pipe B. A high-strength fixed connection sleeve is sleeved on the outer side of the connection between the pipe A and the pipe B. At least one sealing ring is arranged on the inner walls at both ends of the fixed connection sleeve. A plurality of rotatable locking bolts are evenly arranged on the outer walls at both ends of the fixed connection sleeve. Locking nuts are arranged on the locking bolts. Connecting flanges are fixed on the outer walls of the pipe A and the pipe B. A plurality of openings cooperating with the locking bolts are evenly arranged on the outer walls of the connecting flanges. A gasket is arranged between the connecting flange and the outer end of the fixed connection sleeve. A sealing gasket is arranged between the gasket and the fixed connection sleeve. A sealing ring is arranged in the inner hole of the gasket.

[0005] As a preferred embodiment, the connecting flange is composed of two connecting half rings, and a connecting flange is fixed on the outer side of the connection of the connecting half rings. The connecting flange is connected with fastening bolts to facilitate the installation and fixation of the connecting flange. An ear plate seat is hinged at the inner end of each locking bolt, and the ear plate seat is fixed on the fixed connecting sleeve.

[0006] As a preferred embodiment, an anti-rust and corrosion-resistant layer is provided on the inner wall of the fixed connecting sleeve to better prevent rust and corrosion.

[0007] As a preferred embodiment, a fixed connecting sleeve is provided with a fixed half-compression sleeve and a fixed half-support sleeve above and below, and the outer ends of the fixed half-compression sleeve and the fixed half-support sleeve are provided with a semicircular groove 1 that cooperates with pipe A and pipe B, and the inner walls of the fixed half-compression sleeve and the fixed half-support sleeve are provided with an avoidance groove, and a support plate and a pressure plate are fixed in the middle of the avoidance groove. The support plate is arranged on the fixed half-support sleeve, and the pressure plate is arranged on the fixed half-compression sleeve. The inner walls of the support plate and the pressure plate are provided with a semicircular groove 2 that cooperates with the outer wall of the fixed connecting sleeve, which can support and protect the fixed connecting sleeve.

[0008] As a preferred embodiment, fixed flanges are provided on the inner and outer walls of the fixed half-compression sleeve and the fixed half-support sleeve, and fixing bolts are provided on the fixed flanges. Fixed seat plates are provided on both sides of the bottom of the fixed half-support sleeve, and fixed plug rods are provided on the fixed seat plates to support and limit the connection between pipe A and pipe B to prevent the connection from breaking, making the structure more stable.

[0009] The utility model has the following beneficial effects:

[0010] The connection between pipe A and pipe B is covered with a fixed connection sleeve, and then connected with the locking bolts on the fixed connection sleeve through the connection flange fixed on pipe A and pipe B, which can increase the strength of the connection and can be quickly connected. In addition, it is sealed by sealing ring 1, sealing ring 2 and sealing gasket, and the sealing effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is a schematic diagram of the side structure of the connecting flange;

[0013] Figure 3 It is a structural schematic diagram of a fixed half compression sleeve and a fixed half support sleeve;

[0014] Figure 4 It is a schematic diagram of the side structure of the fixed half compression sleeve and the fixed half support sleeve;

[0015] In the figure: 1. ear plate seat, 2. locking nut, 3. locking bolt, 4. pipe B, 5. sealing ring 2, 6. connecting flange, 7. sealing ring 1, 8. fixed connecting sleeve, 9. pipe A, 10. sealing gasket, 11. gasket, 12. fastening bolt, 13. connecting flange, 14. opening, 15. fixed half compression sleeve, 16. avoidance groove, 17. semicircular groove 2, 18. fixed half support sleeve, 19. fixed flange, 20. fixed seat plate, 21. fixed plug rod. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with embodiments.

[0017] Embodiment 1, as Figure 1 to Figure 2As shown, the utility model is a docking device for water supply pipe network construction, including a pipe A9 and a pipe B4, a high-strength fixed connection sleeve 8 is sleeved on the outer side of the connection between the pipe A9 and the pipe B4, at least one sealing ring 7 is provided on the inner wall at both ends of the fixed connection sleeve 8, a plurality of rotatable locking bolts 3 are evenly provided on the outer wall at both ends of the fixed connection sleeve 8, and a locking nut 2 is provided on the locking bolt 3, a connecting flange 6 is fixed on the outer wall of the pipe A9 and the pipe B4, a plurality of openings 14 cooperating with the locking bolts 3 are evenly provided on the outer wall of the connecting flange 6, a gasket 11 is provided between the connecting flange 6 and the outer end of the fixed connection sleeve 8, a sealing gasket 10 is provided between the gasket 11 and the fixed connection sleeve 8, and a sealing ring 5 is provided in the inner hole of the gasket 11.

[0018] When in use, fix the connecting flanges 6 on both sides to the pipes A9 and B4 on both sides, then put the gaskets 11 and sealing pads 10 on both sides on the pipes A9 and B4 on both sides, then insert the connecting ends of the pipes A9 and B4 into the fixed connecting sleeves 8, then rotate the locking bolts 3 so that the locking bolts 3 rotate into the corresponding openings 14, and then tighten the locking nuts 2 to complete the fixed connection.

[0019] Embodiment 2, on the basis of embodiment 1, the connection flange 6 is composed of two connection half rings, the connection of the connection half rings is fixed with a connection flange 13 on the outside, the connection flange 13 is connected with a fastening bolt 12, the inner end of each locking bolt 3 is hinged with a lug seat 1, and the lug seat 1 is fixed on the fixed connection sleeve 8. When fixing the connection flange 6, it is only necessary to buckle the two connection half rings on the outer wall of the pipe A9 or the pipe B4, then screw the fastening bolts on the connection flange 13, and then adjust the position of the connection half ring on the pipe A9 or the pipe B4 and then tighten the fastening bolts to complete the fixation.

[0020] The inner wall of the fixed connection sleeve 8 is provided with a rust-proof and corrosion-resistant layer.

[0021] like Figure 3 and 4 As shown, a fixed half-compression sleeve 15 and a fixed half-support sleeve 18 are provided above and below the fixed connecting sleeve 8, and a semicircular groove 1 that cooperates with the pipe A9 and the pipe B4 is provided at the outer ends of the fixed half-compression sleeve 15 and the fixed half-support sleeve 18, and an avoidance groove 16 is provided on the inner walls of the fixed half-compression sleeve 15 and the fixed half-support sleeve 18, and a support plate and a pressure plate are fixed above and below in the middle of the avoidance groove 16, the support plate is arranged on the fixed half-support sleeve 18, and the pressure plate is arranged on the fixed half-compression sleeve 15, and a semicircular groove 2 17 that cooperates with the outer wall of the fixed connecting sleeve 8 is provided on the inner walls of the support plate and the pressure plate.

[0022] The inner and outer walls of the fixed half-compression sleeve 15 and the fixed half-support sleeve 18 are provided with fixed flanges 19, and fixed bolts are provided on the fixed flanges 19. The bottom sides of the fixed half-support sleeve 18 are provided with fixed seat plates 20, and fixed plug rods 21 are provided on the fixed seat plates 20. After the butted pipes A9 and B4 are connected and fixed by the fixed connection sleeve 8, the fixed connection sleeve 8 is placed in the avoidance groove 16 of the fixed half-support sleeve 18, and the semicircular groove 2 17 on the support plate supports the bottom of the fixed connection sleeve 8, and then the fixed half-compression sleeve 15 is placed, and the fixed half-compression sleeve 15 and the fixed half-support sleeve 18 are fixed by fixing bolts, and then the fixed plug rod 21 is inserted into the jack of the fixed seat plate 20, and the fixed plug rod 21 is inserted into the ground to complete the limited fixation of the fixed seat plate 20.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0024] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A docking device for water supply network construction, comprising a pipeline A (9) and a pipeline B (4), characterized in that: A high-strength fixed connection sleeve (8) is sleeved on the outer side of the connection between the pipe A (9) and the pipe B (4), and at least one sealing ring (7) is provided on the inner wall of both ends of the fixed connection sleeve (8). A plurality of rotatable locking bolts (3) are evenly provided on the outer wall of both ends of the fixed connection sleeve (8), and a locking nut (2) is provided on the locking bolt (3). A connecting flange (6) is fixed on the outer wall of the pipe A (9) and the pipe B (4), and a plurality of openings (14) matching with the locking bolts (3) are evenly provided on the outer wall of the connecting flange (6). A gasket (11) is provided between the connecting flange (6) and the outer end of the fixed connection sleeve (8), and a sealing gasket (10) is provided between the gasket (11) and the fixed connection sleeve (8), and a sealing ring (5) is provided in the inner hole of the gasket (11).

2. A docking device for water supply network construction according to claim 1, characterized in that: The connecting flange (6) is composed of two connecting half rings, a connecting flange (13) is fixed on the outer side of the connecting part of the connecting half ring, a fastening bolt (12) is connected to the connecting flange (13), and an ear plate seat (1) is hingedly connected to the inner end of each locking bolt (3), and the ear plate seat (1) is fixed on the fixed connecting sleeve (8).

3. A docking device for water supply network construction according to claim 1, characterized in that: The inner wall of the fixed connection sleeve (8) is provided with a rust-proof and corrosion-resistant layer.

4. A docking device for water supply network construction according to claim 1, characterized in that: A fixed half-compression sleeve (15) and a fixed half-support sleeve (18) are provided above and below the fixed connection sleeve (8); the outer ends of the fixed half-compression sleeve (15) and the fixed half-support sleeve (18) are provided with a semicircular groove 1 that matches with the pipe A (9) and the pipe B (4); the inner walls of the fixed half-compression sleeve (15) and the fixed half-support sleeve (18) are provided with an avoidance groove (16); a support plate and a pressure plate are fixed above and below the middle of the avoidance groove (16); the support plate is arranged on the fixed half-support sleeve (18), and the pressure plate is arranged on the fixed half-compression sleeve (15); and the inner side walls of the support plate and the pressure plate are provided with a semicircular groove 2 (17) that matches with the outer wall of the fixed connection sleeve (8).

5. A docking device for water supply network construction according to claim 4, characterized in that: The inner and outer walls of the fixed half compression sleeve (15) and the fixed half support sleeve (18) are provided with fixed flanges (19), and fixing bolts are provided on the fixed flanges (19). The bottom sides of the fixed half support sleeve (18) are provided with fixed seat plates (20), and the fixed seat plates (20) are provided with fixed plug rods (21).

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