CN219673642U

CN219673642U - PE pipe connecting assembly

Info

Publication number: CN219673642U
Application number: CN202321317845.4U
Authority: CN
Inventors: 刘兵
Original assignee: Heilongjiang Longxin Water Saving Technology Co ltd
Current assignee: Heilongjiang Longxin Water Saving Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-12
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a PE (polyethylene) pipe connecting assembly, which relates to the technical field of PE pipe connecting accessories and comprises a central pipe fitting and a sleeve, wherein PE pipe fittings are inserted into two ends of the central pipe fitting, an external thread is arranged on the upper wall surface of the central pipe fitting, an internal thread is arranged on the inner wall surface of the sleeve, the central pipe fitting is connected with the sleeve in a meshed manner through the external thread, a groove is arranged on the inner wall surface of the central pipe fitting and below the external thread, and a sealing ring is embedded in the groove.

Description

PE pipe connecting assembly

Technical Field

The utility model relates to the technical field of PE (polyethylene) pipe connecting fittings, in particular to a PE pipe connecting assembly.

Background

At present, the municipal pipe market in China is the PE pipe, the plastic pipe is steadily developed, the PE pipe, the PP-R pipe and the UPVC pipe all occupy one place, the strong development trend of the PE pipe is most remarkable, a connecting piece is needed for connecting the PE pipe and the PE pipe, most of the existing PE pipe connecting devices adopt a welding mode to weld the PE pipe, but the connecting modes need to be heated and welded through hot melting equipment or electric heating wires embedded in the electric melting pipe, so that the connecting mode is high in cost and inconvenient, meanwhile, the joint is leaked due to dislocation or loosening caused by long-time water flow vibration, and unnecessary loss is easy to cause.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a PE pipe connecting assembly, which solves the technical problems that most of the existing PE pipe connecting devices adopt a welding mode to weld, but the connecting modes need to be heated and welded through hot-melting equipment or electric heating wires embedded in electric-melting pipes, so that the connecting modes are high in cost and inconvenient, and meanwhile, the connecting positions leak water due to dislocation or looseness caused by long-time water flow vibration, so that unnecessary losses are easy to cause.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a PE pipe connection subassembly, includes center pipe fitting and sleeve, the PE pipe fitting has been inserted at center pipe fitting both ends, the external screw thread has been seted up to center pipe fitting upper wall, the internal screw thread has been seted up to sleeve internal wall, be connected through external screw thread and internal screw thread meshing between center pipe fitting and the sleeve, center pipe fitting internal wall just is located the external screw thread below and sets up flutedly, the recess embedment is equipped with the sealing washer, the spout has been seted up to recess internal wall, slidable mounting has the slider, fixed mounting has the ring on the slider, the movable barrel is equipped with in the center pipe fitting port interpolation, the ring channel has been seted up on the movable barrel, be equipped with annular arch in the sleeve, annular arch slidable mounting is in the ring channel, movable barrel contacts with the ring, PE pipe fitting runs through in sealing washer, ring and movable barrel, be equipped with the centre gripping subassembly on the sleeve lateral wall, the centre gripping subassembly contacts with the PE pipe fitting.

Preferably, the clamping assembly comprises a supporting ring, the supporting ring is fixedly arranged on the side wall surface of the sleeve, three threaded holes are formed in the supporting ring, a screw rod is connected in the threaded holes in an internal mode, through holes are formed in the supporting ring and located on two sides of the threaded holes, guide rods are inserted into the through holes, a pressing plate is fixedly arranged between the lower ends of the guide rods, a mounting groove is formed in the upper wall surface of the pressing plate, a bearing is fixedly arranged in the mounting groove, the lower end of the screw rod is fixedly arranged on the inner ring of the bearing, and a limiting plate is fixedly arranged on the upper end of the guide rods.

Preferably, the included angle between two adjacent screw holes is 120 degrees, the section of the pressing plate is in an arc structure, and a handle is fixedly arranged at the upper end of the screw rod.

Preferably, the support ring is provided with three horizontal end faces, and the threaded holes and the through holes are respectively positioned on the horizontal end faces.

Preferably, an inclined plane is arranged on one end of the movable cylinder, which is close to the baffle plate.

Preferably, the sealing ring is made of rubber.

Preferably, a center ring is arranged at the inner center of the center pipe fitting.

Advantageous effects

The utility model provides a PE pipe connecting assembly, which solves the technical problems that the existing PE pipe connecting device is mostly welded in a welding mode, but the connecting modes are required to be heated and welded through hot-melting equipment or electric heating wires embedded in electric-melting pipes, so that the connecting mode is high in cost and inconvenient, meanwhile, dislocation or looseness is caused by long-time water flow vibration, water leakage is caused at a connecting position, and unnecessary loss is easy to cause.

Drawings

Fig. 1 is a schematic structural diagram of a PE pipe connection assembly according to the present utility model.

Fig. 2 is a schematic structural diagram of a PE pipe connection assembly according to the present utility model.

In the figure: 1. a central tube; 2. a sleeve; 3. PE pipe fitting; 4. a seal ring; 5. a chute; 6. a slide block; 7. a loop; 8. a moving cylinder; 9. an annular groove; 10. an annular protrusion; 11. a support ring; 12. a screw rod; 13. a guide rod; 14. a pressing plate; 15. a bearing; 16. a limiting plate; 17. a handle; 18. a center ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the PE pipe connecting assembly comprises a central pipe fitting 1 and a sleeve 2, wherein PE pipe fittings 3 are inserted into two ends of the central pipe fitting 1, external threads are formed in the upper wall surface of the central pipe fitting 1, internal threads are formed in the inner wall surface of the sleeve 2, the central pipe fitting 1 and the sleeve 2 are connected with each other through the external threads in a meshed mode, a groove is formed in the inner wall surface of the central pipe fitting 1 and below the external threads, a sealing ring 4 is embedded in the groove, a sliding groove 5 is formed in the inner wall surface of the groove, a sliding block 6 is slidably mounted in the sliding groove 5, a ring 7 is fixedly mounted on the sliding block 6, a movable barrel 8 is inserted into a port of the central pipe fitting 1, an annular groove 9 is formed in the movable barrel 8, an annular protrusion 10 is arranged in the sleeve 2, the annular protrusion 10 is slidably mounted in the annular groove 9, the movable barrel 8 is in contact with the ring 7, the PE pipe fitting 3 penetrates through the sealing ring 4, the ring 7 and the movable barrel 8, a clamping assembly is arranged on the side wall surface of the sleeve 2, and the clamping assembly is in contact with the PE pipe fitting 3;

the PE pipe fitting 3 is inserted into the central pipe fitting 1, the sleeve 2 is rotated, the sleeve 2 is fed along an external thread path on the outer wall surface of the central pipe fitting 1 under the action of internal threads, then the annular protrusion 10 on the sleeve 2 moves along an annular groove 9 path on the moving barrel 8, at the moment, the annular protrusion 10 pushes the moving barrel 8, the moving barrel 8 pushes the annular ring 7, the annular ring 7 presses the sealing ring 4, the sealing ring 4 deforms and expands, the sealing ring presses the outer wall surface of the PE pipe fitting 3, the sealing effect is achieved, and the PE pipe fitting 3 is fixed through the clamping assembly.

The embodiment is further configured in that the clamping assembly comprises a supporting ring 11, the supporting ring 11 is fixedly installed on the side wall surface of the sleeve 2, three threaded holes are formed in the supporting ring 11, screw rods 12 are connected in the threaded holes in an internal mode, through holes are formed in the supporting ring 11 and located on two sides of the threaded holes, guide rods 13 are inserted into the through holes, a pressing plate 14 is fixedly installed between the lower ends of the guide rods 13, an installation groove is formed in the upper wall surface of the pressing plate 14, bearings 15 are fixedly installed in the installation groove, the lower ends of the screw rods 12 are fixedly installed on the inner rings of the bearings 15, and limiting plates 16 are fixedly installed at the upper ends of the guide rods 13;

the screw rod 12 is rotated, the screw rod 12 feeds along a threaded hole path, pushing force is further applied to the pressing plate 14, the pressing plate 14 feeds along a through hole path under the action of the guide rod 13, the pressing plate 14 is further enabled to extrude the outer wall surface of the PE pipe fitting 3, and the PE pipe fitting 3 is clamped and fixed in a pressure applying mode.

The embodiment is further configured in such a way that an included angle between two adjacent screw holes is 120 degrees, the section of the pressing plate 14 is in an arc structure, and a handle 17 is fixedly arranged at the upper end of the screw rod 12;

the clamp plate 14 is fixed with PE pipe fitting 3 through the mode of three-point fixation to clamp plate 14 is the arc structure, makes clamp plate 14 better paste and is adorned on PE pipe fitting 3 outer wall surface, and handle 17 is convenient for lead screw 12 force.

The embodiment is further configured in such a manner that three horizontal end surfaces are provided on the supporting ring 11, and the threaded holes and the through holes are respectively located on the horizontal end surfaces.

The embodiment is further configured that an inclined plane is arranged on one end, close to the baffle plate, of the movable cylinder 8;

so that the end of the moving cylinder 8 close to the collar 7 can be smoothly inserted into the central tube 1.

The embodiment is further configured such that the sealing ring 4 is made of rubber, so that the ring 7 can deform when extruding the sealing ring 4.

The embodiment is further configured that the center ring 18 is arranged at the inner center of the central pipe fitting 1, and the center ring 18 plays a role in blocking the PE pipe fitting 3, so that the PE pipe fitting 3 can be symmetrically inserted into the central pipe fitting 1.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: according to the description, when the PE pipe fitting 3 is inserted into the central pipe fitting 1, the sleeve 2 is rotated, the sleeve 2 is fed along an external thread path on the outer wall surface of the central pipe fitting 1 under the action of internal threads, then the annular protrusion 10 on the sleeve 2 moves along the path of the annular groove 9 on the moving cylinder 8, at the moment, the annular protrusion 10 pushes the moving cylinder 8, the moving cylinder 8 pushes the annular ring 7, the annular ring 7 presses the sealing ring 4, the sealing ring 4 deforms and expands, the sealing ring presses the outer wall surface of the PE pipe fitting 3, the sealing effect is achieved, the screw rod 12 is rotated, the screw rod 12 is fed along the thread hole path, the pushing force is applied to the pressing plate 14, the pressing plate 14 is fed along the through hole path under the action of the guide rod 13, the pressing plate 14 presses the outer wall surface of the PE pipe fitting 3, and the PE pipe fitting 3 is clamped and fixed in a pressure applying mode.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a PE union coupling assembling, includes center pipe fitting (1) and sleeve (2), PE pipe fitting (3) have been inserted at center pipe fitting (1) both ends, a serial communication port, external screw thread has been seted up to center pipe fitting (1) upper wall, internal screw thread has been seted up to sleeve (2) internal wall, through external screw thread and internal screw thread meshing connection between center pipe fitting (1) and sleeve (2), center pipe fitting (1) internal wall and be located the external screw thread below and set up flutedly, the recess is embedded to be equipped with sealing washer (4), spout (5) have been seted up to recess internal wall, slidable mounting has slider (6) in spout (5), fixed mounting has ring (7) on slider (6), center pipe fitting (1) port interpolation is equipped with and is removed section of thick bamboo (8), be seted up on removing section of thick bamboo (8), be equipped with annular bulge (10) in sleeve (2), annular bulge (10) slidable mounting is in annular groove (9), it contacts with ring (7), spout (3), PE (4) and centre gripping subassembly and top tube (4) are equipped with in order to hold the annular groove (4) and the pipe fitting (3).

2. The PE pipe connecting assembly according to claim 1, wherein the clamping assembly comprises a supporting ring (11), the supporting ring (11) is fixedly installed on the side wall surface of the sleeve (2), three threaded holes are formed in the supporting ring (11), screw rods (12) are connected in the threaded holes in a screwed mode, through holes are formed in the supporting ring (11) and located on two sides of the threaded holes, guide rods (13) are inserted into the through holes, a pressing plate (14) is fixedly installed between the lower ends of the guide rods (13), an installation groove is formed in the upper wall surface of the pressing plate (14), a bearing (15) is fixedly installed in the installation groove, the lower end of the screw rods (12) is fixedly installed on the inner ring of the bearing (15), and limiting plates (16) are fixedly installed on the upper ends of the guide rods (13).

3. A PE pipe connection assembly according to claim 2, wherein an included angle between two adjacent screw holes is 120 degrees, the cross-sectional shape of the pressing plate (14) is an arc structure, and a handle (17) is fixedly arranged at the upper end of the screw rod (12).

4. A PE pipe connection assembly according to claim 2, characterized in that the support ring (11) is provided with three horizontal end faces, the threaded holes and the through holes being located on the horizontal end faces, respectively.

5. A PE pipe connection assembly according to claim 1, characterized in that an inclined surface is provided on the movable drum (8) at an end close to the baffle.

6. A PE pipe connection assembly according to claim 1, characterized in that the sealing ring (4) is of rubber material.

7. A PE pipe connection assembly according to claim 1, characterized in that a centre ring (18) is provided in the centre of the centre pipe (1).