Butt joint device for heat-resistant polyethylene pipelines

Abstract

The utility model discloses a heat-resistant polyethylene pipeline butt joint device in the technical field of pipeline butt joint devices, which comprises a support frame, two groups of fixing frames are symmetrically mounted at the top of the support frame, two groups of butt joint pipes are symmetrically mounted in the support frame in a sliding manner, and the two groups of butt joint pipes are connected through telescopic pieces. Connecting flanges are arranged at the ends, away from the telescopic pieces, of the butt-joint pipes; two groups of communication grooves for the telescopic part to slide are symmetrically formed in the supporting frame, an adjusting assembly for controlling the connecting length of the telescopic part is rotatably mounted at the top of the supporting frame, and the telescopic part comprises a connecting ring fixedly mounted at the end part of the butt joint pipe. The problems that in the prior art, a simple flange connecting structure is usually adopted for assembling, the connecting length of the butt joint position of the ends of pipe fittings is difficult to precisely adjust and control, the butt joint difficulty of the pipe fittings is high, and people cannot use the pipe fittings easily are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline butt joint devices, in particular to a heat-resistant polyethylene pipeline butt joint device. Background Art

[0002] Polyethylene pipes are usually used for transportation pipelines in water conservancy and other construction projects. They should not only have good economy, but also have a series of advantages such as stable and reliable interfaces, impact resistance, crack resistance, aging resistance, and corrosion resistance. When installing and using polyethylene pipes, the pipe fittings need to be butt-connected.

[0003] When existing polyethylene pipes are butt-jointed, they are usually assembled using a simple flange connection structure. The connection length at the butt joint of the pipe ends is difficult to accurately adjust, making the butt joint of the pipes difficult and inconvenient for people to use. Therefore, those skilled in the art provide a heat-resistant polyethylene pipe butt joint device to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a heat-resistant polyethylene pipe butt joint device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a heat-resistant polyethylene pipe docking device, comprising a support frame, two groups of fixed frames are symmetrically installed on the top of the support frame, two groups of butt joint pipes are symmetrically slidably installed inside the support frame, the two groups of butt joint pipes are connected by a telescopic member, and a connecting flange is provided at one end of the butt joint pipe away from the telescopic member;

[0006] Two groups of connecting grooves for sliding of the telescopic parts are symmetrically arranged inside the support frame, and an adjusting component for controlling the connection length of the telescopic parts is rotatably installed on the top of the support frame.

[0007] Preferably, the telescopic member comprises a connecting ring fixedly mounted on the end of the butt-joint pipe, a connecting block slidably mounted inside the connecting groove is integrally formed on the top of the connecting ring, and a telescopic pipe is provided between two groups of connecting rings at the ends of the butt-joint pipe.

[0008] Preferably, the telescopic member comprises a connecting ring fixedly mounted on the end of the butt-joint pipe, a connecting block slidably mounted inside the connecting groove is integrally formed on the top of the connecting ring, and a telescopic pipe is provided between two groups of connecting rings at the ends of the butt-joint pipe.

[0009] Preferably: the adjustment assembly includes an adjustment screw rotatably installed on the top of the support frame, a lifting sleeve is threadedly connected to the adjustment screw, the outer ring of the lifting sleeve is connected to the top of the connecting block through a push-pull rod, a support rod passing through the connecting block is installed inside the connecting groove, and the connecting block can slide on the surface of the support rod.

[0010] Preferably, the adjustment assembly further comprises a turntable fixedly mounted on the top end of the adjustment screw, and a spring sleeved on the outer ring of the support rod is mounted between the connection block and the inner wall of the connecting groove.

[0011] Preferably, two groups of support rods penetrating the connecting block are symmetrically installed inside the connecting groove, and springs are sleeved on the surfaces of the two groups of support rods.

[0012] Preferably, a first fixing block hinged to one end of the push-pull rod is installed on the top of the connecting block, and a second fixing block hinged to the other end of the push-pull rod is installed on the outer ring of the lifting sleeve.

[0013] Preferably, the fixing frame comprises connecting rods fixedly mounted at the four corners of the top of the supporting frame, and the top ends of two adjacent groups of connecting rods are welded with the same mounting plate, and the four corners of the mounting plate are provided with mounting holes.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, an adjusting screw is provided to drive the lifting sleeve to move up and down, the lifting sleeve drives the connecting block to move inside the connecting groove through the push-pull rod, the connecting block drives the connecting ring and the butt pipe to move, and the connecting ring drives the telescopic pipe to extend and retract, which can conveniently adjust the use length of the butt joint device and improve its flexibility in installation and use with the heat-resistant polyethylene pipe.

[0016] 2. In the utility model, by setting a slide rod, the slide rod slides inside the support frame together with the butt joint pipe, which can improve the stability of the butt joint pipe support and movement. By setting a mounting frame, it is convenient to provide a stable support and positioning effect for the butt joint device, and improve the support strength of the heat-resistant polyethylene pipe joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a bottom view of the overall structure of the utility model;

[0019] Figure 3 For this utility model Figure 1 A is an enlarged view of the middle image.

[0020] In the figure: 1. support frame; 2. butt pipe; 3. connecting flange; 4. connecting groove; 5. connecting ring; 6. connecting block; 7. telescopic tube; 8. sliding rod; 9. adjusting screw; 10. lifting sleeve; 11. push-pull rod; 12. support rod; 13. turntable; 14. spring; 15. first fixed block; 16. second fixed block; 17. connecting rod; 18. mounting plate; 19. mounting hole. 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 to Figure 3 In an embodiment of the utility model, a heat-resistant polyethylene pipe docking device includes a support frame 1, two groups of fixed frames are symmetrically installed on the top of the support frame 1, two groups of docking pipes 2 are symmetrically and slidably installed inside the support frame 1, the two groups of docking pipes 2 are connected by a telescopic member, and a connecting flange 3 is provided at one end of the docking pipe 2 away from the telescopic member. Two groups of connecting grooves 4 for sliding of the telescopic member are symmetrically opened inside the support frame 1, and an adjusting component for controlling the connection length of the telescopic member is rotatably installed on the top of the support frame 1.

[0023] During use, the operator can rotate the adjustment component, which can drive the two groups of telescopic parts to slide inside the connecting groove 4. The telescopic parts can adjust the distance between the ends of the two groups of butt-jointed tubes 2. After the connecting ends of the two groups of butt-jointed tubes 2 are abutted against the ends of the heat-resistant polyethylene pipes to be butted, the connecting flange 3 is used to assemble with the ends of the heat-resistant polyethylene pipes, and the fixed frame can be used to support and position the butt-jointed device.

[0024] In one embodiment, specifically, the telescopic member includes a connecting ring 5 fixedly installed at the end of the connecting tube 2, and a connecting block 6 is integrally formed on the top of the connecting ring 5 and slidably installed inside the connecting groove 4. A telescopic tube 7 is provided between the connecting rings 5 ​​at the ends of the two groups of connecting rings 5. The adjusting assembly can drive the two groups of connecting blocks 6 to move inside the connecting groove 4, and the connecting block 6 drives the connecting ring 5 to move, and the connecting ring 5 drives the telescopic tube 7 to telescope, and the connecting ring 5 simultaneously drives the connecting tube 2 to slide inside the support frame 1.

[0025] Among them, multiple groups of sliding rods 8 penetrating the support frame 1 are installed between the connecting ring 5 and the connecting flange 3. The sliding rods 8 can slide inside the support frame 1. The multiple groups of sliding rods 8 are arranged equidistantly around the central axis of the connecting ring 5. The connecting ring 5 can drive the sliding rods 8 to slide inside the support frame 1 while driving the docking tube 2 to move, which can improve the stability of the support and movement of the docking tube 2.

[0026] Specifically, the adjustment component includes an adjustment screw 9 rotatably installed on the top of the support frame 1, and a lifting sleeve 10 is threadedly connected to the adjustment screw 9. The outer ring of the lifting sleeve 10 is connected to the top of the connecting block 6 through a push-pull rod 11. A support rod 12 that passes through the connecting block 6 is installed inside the connecting groove 4, and the connecting block 6 can slide on the surface of the support rod 12.

[0027] During use, the operator rotates the adjusting screw 9, and the adjusting screw 9 drives the lifting sleeve 10 to move up and down, and the lifting sleeve 10 drives the push-pull rod 11 to move, and the push-pull rod 11 can drive the connecting block 6 to move inside the connecting groove 4. Furthermore, the adjusting component also includes a turntable 13 fixedly installed on the top of the adjusting screw 9, which can facilitate the operator to rotate the adjusting screw 9. A spring 14 is installed between the connecting block 6 and the inner wall of the connecting groove 4 and is sleeved on the outer circle of the support rod 12. The spring 14 can provide elastic support for the connecting block 6, which can increase the friction between the lifting sleeve 10 and the adjusting screw 9, thereby ensuring the overall stability of the docking device during use.

[0028] Two groups of support rods 12 passing through the connecting block 6 are symmetrically installed inside the connecting groove 4. The surfaces of the two groups of support rods 12 are sleeved with springs 14, which can make the movement of the connecting block 6 more stable. A first fixed block 15 hinged to one end of the push-pull rod 11 is installed on the top of the connecting block 6, and a second fixed block 16 hinged to the other end of the push-pull rod 11 is installed on the outer ring of the lifting sleeve 10, which can facilitate the assembly between the components.

[0029] In one embodiment, specifically, the fixing frame includes connecting rods 17 fixedly installed at the four corners of the top of the support frame 1, and the same mounting plate 18 is welded to the top of two adjacent groups of connecting rods 17. Mounting holes 19 are provided at the four corners of the mounting plate 18. The connecting rods 17 can adopt rods that are easy to adjust the length in the prior art, which can improve the flexibility of the installation of the fixing frame, and the fixing of the docking device can be facilitated by using bolts passing through the mounting holes 19.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat-resistant polyethylene pipe docking device, comprising a support frame (1), two sets of fixing frames are symmetrically mounted on the top of the support frame (1), characterized in that: Two groups of butt-joint pipes (2) are symmetrically and slidably mounted inside the support frame (1), the two groups of butt-joint pipes (2) are connected via telescopic members, and a connecting flange (3) is provided at one end of the butt-joint pipe (2) away from the telescopic member; Two groups of connecting grooves (4) for sliding of the telescopic parts are symmetrically provided inside the support frame (1), and an adjusting component for controlling the connection length of the telescopic parts is rotatably installed on the top of the support frame (1).

2. A heat-resistant polyethylene pipe docking device according to claim 1, characterized in that: The telescopic member comprises a connecting ring (5) fixedly mounted at the end of the butt-jointed pipe (2); a connecting block (6) slidably mounted inside the connecting groove (4) is integrally formed on the top of the connecting ring (5); and a telescopic pipe (7) is provided between two groups of connecting rings (5) at the ends of the butt-jointed pipes (2).

3. A heat-resistant polyethylene pipe docking device according to claim 2, characterized in that: A plurality of sliding rods (8) penetrating the support frame (1) are installed between the connecting ring (5) and the connecting flange (3). The sliding rods (8) can slide inside the support frame (1). The plurality of sliding rods (8) are arranged equidistantly in a circle around the central axis of the connecting ring (5).

4. A heat-resistant polyethylene pipe docking device according to claim 2, characterized in that: The adjustment assembly comprises an adjustment screw (9) rotatably mounted on the top of the support frame (1); a lifting sleeve (10) is threadedly connected to the adjustment screw (9); the outer ring of the lifting sleeve (10) is connected to the top of the connecting block (6) via a push-pull rod (11); a support rod (12) penetrating the connecting block (6) is installed inside the connecting groove (4); and the connecting block (6) can slide on the surface of the support rod (12).

5. A heat-resistant polyethylene pipe docking device according to claim 4, characterized in that: The adjustment assembly also includes a rotating disk (13) fixedly mounted on the top of the adjustment screw (9), and a spring (14) sleeved on the outer ring of the support rod (12) is installed between the connecting block (6) and the inner wall of the connecting groove (4).

6. A heat-resistant polyethylene pipe docking device according to claim 5, characterized in that: Two groups of support rods (12) penetrating the connection block (6) are symmetrically installed inside the connecting groove (4), and springs (14) are sleeved on the surfaces of the two groups of support rods (12).

7. A heat-resistant polyethylene pipe docking device according to claim 5, characterized in that: A first fixing block (15) hinged to one end of the push-pull rod (11) is installed on the top of the connecting block (6), and a second fixing block (16) hinged to the other end of the push-pull rod (11) is installed on the outer ring of the lifting sleeve (10).

8. The heat-resistant polyethylene pipe docking device according to claim 1, characterized in that: The fixing frame comprises connecting rods (17) fixedly mounted at the four corners of the top of the supporting frame (1), and the tops of two adjacent groups of connecting rods (17) are welded with the same mounting plate (18), and the four corners of the mounting plate (18) are provided with mounting holes (19).

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