CN211232036U - PE pipe fracture reconnection and free diversion joint - Google Patents

Abstract

The utility model discloses a PE pipe fracture reconnection and free diversion connect, belong to PE pipe connection technical field, be responsible for including first person in charge and second, be connected with the coil between first person in charge and the second person in charge, and the first person in charge is provided with the fixed clamping device of the same symmetrical arrangement with the external diameter surface that the second was responsible for, fixed clamping device's depression bar is at spacing and spring, carry out longitudinal movement under the effect of screw, the tip welding has the briquetting before the depression bar, the non-coil pipe junction of being responsible for with the second in first person in charge all is connected with the sealed tube, there is the seal groove on the sealed tube, can realize sealedly after sheatheeing the sealing washer, the user only need insert the PE pipe of waiting to connect both sides sealed tube, then close the screw soon and fix the PE pipe, be responsible for with both sides with the coil and be connected can. The joint structure is simple and convenient to install, can realize effective reconnection after the pipeline is broken, has good sealing performance and the free turning function of the pipeline, and has very wide application prospect.

Description

PE pipe fracture reconnection and free diversion joint

Technical Field

The utility model belongs to the technical field of the PE pipe connection, concretely relates to PE pipe fracture reconnection and free diversion connect.

Background

The PE pipe is also called a polyethylene pipe, and the application field is wide, wherein municipal engineering water supply pipelines and petroleum and natural gas conveying pipelines are two largest markets. The PE pipe has good corrosion resistance, can resist corrosion of various chemical media, and does not have electrochemical corrosion; under the condition of normal work, the safe service life of the device can reach more than 50 years; the impact resistance is high; the pipeline is light in weight and convenient to install. Can be widely applied to various pipeline projects.

PE pipe is in the use, probably because the effect of external force is cracked, but current pipe connection technique is extremely loaded down with trivial details, can cause the loss after connecting between pipeline and connecting piece, produce easily not hard up, stability is relatively poor, cause the sealing performance of pipeline to reduce, bring very big not convenient to subsequent production maintenance, current pipe connection mode can only be connected the pipeline simultaneously, can not realize the diversion function of pipeline under special topography and the operating mode condition effectively, thereby bring certain trouble for constructor, for this reason, the utility model provides a PE pipe fracture reconnection and free diversion connect and solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Defect and improvement demand to prior art, the utility model provides a PE pipe fracture reconnection and free diversion connect to it is loaded down with trivial details to solve wearing and tearing loss, the connected mode that the pipeline connection brought in the above-mentioned background art, and stability, the sealing performance of pipeline reduce, need carry out the problem of diversion processing to the pipeline after the pipeline connection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PE pipe fracture reconnection and free diversion connect, includes that first person in charge and second are responsible for, first person in charge and second are responsible for between be connected with the coil, just the first person in charge is provided with the fixed clamping device of the same symmetrical arrangement with the external diameter surface that the second was responsible for, fixed clamping device's depression bar carries out longitudinal movement under the effect of spacing and spring, screw, the tip welding has the briquetting before the depression bar, is responsible for at first person in charge and second and all is connected with the sealed tube in the non-coil junction of being responsible for, there is the seal groove on the sealed tube.

Furthermore, the coil pipe is a metal hose which can be freely bent and is connected with the first main pipe and the second main pipe in a screwing mode through internal and external threads.

Furthermore, equal-height springs with different elastic coefficients are fixedly connected to two sides of the limiting frame through pressure rods of the fixed clamping device, the elastic coefficient of the first spring is smaller than that of the second spring, and the first screw and the second screw firstly penetrate through small holes in the pressure rods and then respectively pass through the middle parts of the first spring and the second spring to be matched with corresponding threaded holes in the main pipe.

Furthermore, the middle of the limiting frame is hollow, two sides of the limiting frame are provided with grooves, two sides of the pressure rod are welded with circular convex blocks, and the circular convex blocks are clamped in the grooves on the two sides of the limiting frame.

Furthermore, the pressing block is an 1/3 arc section with a certain thickness, the inner surface of the pressing block can be attached to the outer diameter of the PE pipe to be connected, and a layer of reinforcing fibers is arranged on the inner surface.

Furthermore, more than one annular sealing grooves are uniformly distributed in the sealing pipe along the axial direction, a certain thickness is arranged in each sealing groove along the axial direction, the maximum rotation radius of each sealing groove is slightly smaller than the inner diameter of the PE pipe to be connected, and a sealing ring matched with the sealing groove is sleeved in each sealing groove during installation to form multiple sealing.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model adopts a multi-sealing structure, a plurality of sealing grooves are arranged on the sealing pipe, and the sealing grooves are provided with sealing rings, thereby improving the sealing performance;

2. the utility model provides a fixed clamping device, through the mode of screw in screw, with depression bar and briquetting pushing down, until briquetting internal surface and PE outside of tubes surface closely laminate, under the same circumstances of spring elongation, because the elastic coefficient of second spring is greater than the elastic coefficient of first spring, great restoring force makes two springs produce an unbalanced moment in spacing department, this moment can be pressed the briquetting closely outside of tubes surface at PE, the reinforcing fiber of briquetting internal surface also can promote its and the outside of tubes surface's of PE frictional force, prevent to take place unnecessary rotation, pipeline connection's stability has been strengthened;

3. the utility model discloses a pipe connection mode is simple, only needs to insert the sealed tube of both sides with cracked PE pipeline, then closes the screw soon, fixes the PE pipe, when the operating mode needs carry out the diversion to pipeline direction of delivery, only need carry on corresponding shape to the coil pipe warp can, accomplish the diversion, this connection method is convenient, swift, can the effectual simple diversion that realizes the pipeline.

Drawings

FIG. 1 is a schematic view of a half-section structure of the present invention;

fig. 2 is a partially enlarged schematic view of the present invention a;

FIG. 3 is a top view of the stationary clamping device;

FIG. 4 is a left side view of the press block.

In the figure: 1. the sealing device comprises a sealing pipe, 2 parts of a pressing block, 3 parts of a pressing rod, 4 parts of a limiting frame, 5 parts of a first main pipe, 6 parts of a coil pipe, 7 parts of a second main pipe, 8 parts of a second spring, 9 parts of a second screw, 10 parts of a first screw, 11 parts of a first spring and 12 parts of reinforcing fibers.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-4, a PE pipe fracture reconnection and free direction change joint includes a seal pipe 1, a press block 2, a press rod 3, a limit frame 4, a first main pipe 5, a coil pipe 6, a second main pipe 7, a second spring 8, a second screw 9, a first screw 10, and a first spring 11, wherein the coil pipe 6 is connected between the first main pipe 5 and the second main pipe 7, the outer surfaces of the first main pipe 5 and the second main pipe 7 are provided with symmetrically arranged fixing and clamping devices, the clamping devices are composed of the press block 2, the press rod 3, the limit frame 4, the first screw 10, the second screw 9, the first spring 11, and the second spring 8, one side of the first main pipe 5 and one side of the second main pipe 7 far away from the coil pipe 6 are connected with the seal pipe 1, and the seal groove 1 is provided with a plurality of seal grooves, thereby realizing a plurality of sealing effects and avoiding leakage.

Referring to fig. 1-3, a first spring 11 and a second spring 8 are fixedly connected between a first main pipe 5 and a press rod 3 and are distributed on the left and right sides of a limit frame 4, two small holes are formed on the press rod 3, a first screw 10 and a second screw 9 pass through the small holes and are screwed into a threaded hole on the first main pipe 5 through the middle spaces of the first spring 11 and the second spring 8, the screwing depths of the two screws are always kept the same in the screw screwing process so as to ensure that the press rod 3 is horizontal, the elastic coefficient of the second spring 8 is greater than that of the first spring 11, so that the restoring forces of the two springs form an unbalanced moment at the limit frame 4, the moment can enable a press block 2 to be tightly pressed on the outer surface of a PE pipe, the limit frame 4 is a square block with tops, which are grooved on the periphery, round convex blocks on the left and right sides of the press rod 3 are clamped in clamping grooves of the, the compression bar 3 can only move along the longitudinal plane under the control of the limiting frame 4.

Referring to fig. 4, the pressing block 2 and the pressing rod 3 are fixed by a welding gap, the pressing block 2 is an 1/3 arc segment with a certain thickness, the radius of the arc on the lower surface of the pressing block 2 is just matched with the outer diameter of the PE pipe to be connected, and the lower surface of the pressing block 2 is provided with a layer of reinforcing fibers 12, so that the friction between the pressing block 2 and the PE pipe can be improved, the PE pipe is prevented from rotating, and the stability and reliability of installation are improved.

Referring to fig. 1, the coil pipe 6 is a section of flexible metal hose, and has internal threads on both sides thereof, which are screwed with the external threads of the first main pipe 5 and the second main pipe 7, so that the installation is convenient.

Referring to fig. 1, a plurality of sealing grooves are formed in the sealing pipe 1, the sealing grooves are uniformly distributed along the axial direction, and meanwhile, sealing rings are arranged on the sealing grooves and used in cooperation with the sealing grooves, so that the sealing performance can be improved by the plurality of sealing grooves.

The working principle is as follows: when the joint is used for repairing and connecting a PE pipe, the sealing pipe 1 with the sealing rings sleeved on the two sides is inserted into the PE pipe to be connected, then the first screw 10 and the second screw 9 are screwed in simultaneously, the first spring 11 and the second spring 8 are compressed simultaneously, so that the compression bars 3 on the upper side and the lower side are close to each other along the radial direction, the screwing depth of the screws is kept the same all the time in the screw screwing process until the pressing block 2 is tightly attached to the pipeline outside the PE pipe, the compression bars 3 can form a moment at the position of the limiting frame 4 due to the larger restoring force of the second spring 8, the lower surface of the pressing block 2 is provided with a layer of reinforcing fibers 12, the pressing block 2 is combined with the surface of the PE pipe more tightly, the PE pipe can be prevented from falling off or rotating, finally, the coil pipe 6 with the internal thread is connected with the external threads of the first main pipe 5 and the second, the serpentine 6 is bent so as to change the direction of transport of the pipeline.

The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention.

Claims (6)

1. The utility model provides a PE pipe fracture reconnection and free diversion connect which characterized in that: be responsible for (7) including first person in charge (5) and second, first person in charge (5) and second are responsible for and are connected with between (7) coil (6), just the external diameter surface that first person in charge (5) and second are responsible for (7) is provided with the fixed clamping device of the same symmetrical arrangement, vertical removal is carried out under spacing (4) and the effect of spring, screw in depression bar (3) front end welding has briquetting (2), is responsible for non-coil (6) junction of (7) at first person in charge (5) and second and all is connected with seal tube (1), there is the seal groove on seal tube (1).

2. The PE pipe breakage reconnection and free direction change joint as claimed in claim 1, wherein the coil pipe (6) is a metal hose which can be freely bent and is screwed with the first main pipe (5) and the second main pipe (7) by internal and external threads.

3. The PE pipe breakage reconnection and free direction changing joint as claimed in claim 1, wherein equal-height springs with unequal elastic coefficients are fixedly connected to two sides of the limiting frame (4) through the compression rod (3) of the fixed clamping device, the elastic coefficient of the first spring (11) is smaller than that of the second spring (8), and the first screw (10) and the second screw (9) firstly penetrate through a small hole in the compression rod (3) and then respectively fit with corresponding threaded holes in the main pipe through the middle parts of the first spring (11) and the second spring (8).

4. The PE pipe fracture reconnection and free direction changing joint as claimed in claim 3, wherein the middle of the limiting frame (4) is hollow, grooves are formed in two sides of the limiting frame, circular convex blocks are welded on two sides of the compression bar (3), and the circular convex blocks are clamped in the grooves in two sides of the limiting frame (4).

5. The PE pipe fracture reconnection and free direction change joint as claimed in claim 1, wherein the pressing block (2) is an 1/3 arc segment with a certain thickness, the inner surface can be attached to the outer diameter of the PE pipe to be connected, and a layer of reinforcing fibers (12) is arranged on the inner surface.

6. The PE pipe fracture reconnection and free direction changing joint as claimed in claim 1, wherein more than one annular sealing groove is uniformly distributed in the sealing pipe (1) along the axial direction, the sealing groove is provided with a certain thickness along the axial direction, the maximum rotation radius of the sealing groove is slightly smaller than the inner diameter of the PE pipe to be connected, and a sealing ring matched with the sealing groove is sleeved in the sealing groove during installation to form multiple sealing.

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