Portable maintenance joint for composite material pipeline

Abstract

The utility model discloses a portable maintenance joint for a composite material pipeline, and relates to the technical field of pipeline maintenance. The pipeline butt joint device comprises two semicircular sealing pipes, a lining pipe and a positioning ring, the two ends of the lining pipe abut against two pipelines needing to be in butt joint, and sealing sleeves are fixed to the two ends of the lining pipe. According to the utility model, the lining pipe, the semicircular sealing pipe, the second nut and the positioning ring are matched with each other to play a role in connecting two pipelines which need to be butted, so that the whole pipeline does not need to be replaced, and convenience is provided for workers to maintain the pipelines; in order to prevent the situation that the end of the lining pipe is exposed out of the metal texture inside the lining pipe and pollutes a water source, the two sealing sleeves are used for wrapping the end of the lining pipe to prevent the exposed end from making contact with infusion liquid, and then the sealing sleeves and the annular sealing rings have the sealing effect on the contact face of the lining pipe and the pipeline.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of pipeline maintenance, concretely relates to a portable maintenance joint of composite material pipeline. BACKGROUND

[0002] Pipeline is one of the indispensable facilities for conveying water source, at present, in order to improve the inherent strength of pipeline, composite material pipeline is mostly adopted, that is, metal material that strengthens the use strength of pipeline is added during the production of pipeline with plastic texture, since these metal materials can influence drinking water, therefore, when the composite pipeline for conveying drinking water source is replaced, the whole pipeline is often replaced, and the replacement cost is high, and in view of this, the utility model is provided. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem of overcoming the prior art, and provides a portable maintenance joint of composite material pipeline.

[0004] To solve the above technical problem, the basic concept of the technical scheme of the utility model is as follows:

[0005] A portable maintenance joint of composite material pipeline, including two semicircular sealing pipes, inner lining pipe and positioning ring, the both ends of the inner lining pipe are in contact with two pipelines needing to be connected, the both ends of the inner lining pipe are fixed with sealing sleeves, and annular sealing rings for contacting the inner walls of the pipelines are further sleeved on the both ends of the inner lining pipe.

[0006] The both ends of the inner lining pipe are provided with liquid injection nozzles, and the both sides of the inner lining pipe are provided with semicircular sealing pipes in contact with the outer surfaces of the two connected pipelines, respectively, each semicircular sealing pipe is provided with a clearance for the liquid injection nozzle to penetrate, and the outer surface of each liquid injection nozzle is in contact with the surface of the semicircular sealing pipe through a first nut.

[0007] Each semicircular sealing pipe is provided with a groove on each side, and each groove is fixed with a bent end in the middle, and each bent end is provided with a wedge-shaped block at the lower end, and the two wedge-shaped blocks on each side are fixed by a same positioning ring, and the positioning ring is sleeved on the outer surface of the pipeline, and the both ends of the two semicircular sealing pipes are fixed by two second nuts, respectively.

[0008] Optionally, the inner lining pipe is provided with liquid injection cavities consistent with the number of liquid injection nozzles, one end of each liquid injection cavity is in communication with the inner part of the liquid injection nozzle, and the other end of each liquid injection nozzle is in communication with the inner part of the liquid outlet nozzle, and the liquid injection nozzle is arranged on the outer side of the inner lining pipe and located between the sealing sleeve and the annular sealing ring.

[0009] Optionally, the port of each liquid injection nozzle is threadedly connected with a sealing plug, and the plug-in end surface of the sealing plug is provided with a screw thread matched with the screw thread groove in the inner wall of the liquid injection nozzle.

[0010] Optionally, the opposite surface of the wedge-shaped block and the bent end is respectively provided with a first contact protrusion and a second contact protrusion, and the first contact protrusion and the second contact protrusion are staggered.

[0011] Optionally, the inner surface of the two semicircular sealing pipes is bonded with anti-skid strips, and the surface of the anti-skid strips is in contact with the surface of the pipeline.

[0012] Optionally, the lower end of the first nut is fixed with a first anti-skid ring, and the surface of the anti-skid ring is in contact with the surface of the semicircular sealing pipe.

[0013] Optionally, the side of the positioning ring is fixed with a second anti-skid ring in contact with the end of the wedge-shaped block, the upper and lower ends of the positioning ring are threadedly connected with limiting bolts, the bottom of each limiting bolt is rotatably connected with a pressing plate through a bearing, and the bottom of each pressing plate is fixed with an anti-skid block in contact with the surface of the pipeline.

[0014] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0015] 1. The present application plays a connecting role on two pipelines to be connected through the cooperation of the lining pipe, the semicircular sealing pipe, the second nut and the positioning ring, so that the whole pipeline does not need to be replaced, thereby providing convenience for workers to maintain the pipeline, and in order to prevent the end of the lining pipe from being exposed and polluting the water source due to the metal material inside, the end of the lining pipe is wrapped with two sealing sleeves to prevent the exposed end from contacting the infusion liquid, and the sealing sleeves and the annular sealing ring seal the contact surface between the lining pipe and the pipeline.

[0016] 2. In order to further increase the firmness between the lining pipe and the connected pipeline, the injection cavity, the injection nozzle and the liquid outlet nozzle are used to inject sealing glue between the lining pipe and the connected pipeline, so as to complete auxiliary fixation, that is, after the glue is injected, the area between the sealing sleeve and the annular sealing ring is filled, thereby filling the gap between the lining pipe and the connected pipeline and completing further sealing.

[0017] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings described below are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor. In the drawings:

[0019] Figure 1 It is a front view of the structure of the present application.

[0020] Figure 2 It is the combined part structure overhead schematic view of the semicircular sealing pipe, the groove and the bending end in the utility model;

[0021] Figure 3 It is the A part structure schematic view in Figure 1 ;

[0022] Figure 4 It is the B part structure schematic view in Figure 1 ;

[0023] Figure 5 It is the C part structure schematic view in Figure 1 ;

[0024] Figure 6 It is the D part structure schematic view in Figure 1 .

[0025] In the drawings, the component list represented by each mark is as follows:

[0026] 1, inner lining pipe; 2, sealing sleeve; 3, annular sealing ring; 4, liquid injection nozzle; 5, semicircular sealing pipe; 6, anti-skid block; 7, first nut; 8, bending end; 9, wedge-shaped block; 10, positioning ring; 11, second nut; 12, liquid injection cavity; 13, liquid outlet nozzle; 14, sealing plug; 15, first abutting convex strip; 16, second abutting convex strip; 17, anti-skid strip; 18, first anti-skid ring; 19, second anti-skid ring; 20, limiting bolt; 21, pressing plate.

[0027] It should be noted that these drawings and textual descriptions are not intended to limit the concept range of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail in combination with the drawings.

[0029] Please refer to Figures 1 to 6 , the utility model provides a technical scheme: a composite material pipeline portable maintenance joint, including two semicircular sealing pipes 5, inner lining pipe 1 and positioning ring 10, both ends of inner lining pipe 1 are abutted with two pipelines needing to be connected, and the both ends of inner lining pipe 1 are fixed with sealing sleeve 2, and the outer part of the both ends of inner lining pipe 1 is also provided with annular sealing ring 3 for abutting the inner wall of the pipeline;

[0030] The upper and lower ends of the end of the inner lining pipe 1 are provided with liquid injection nozzles 4, and the upper and lower sides of the inner lining pipe 1 are respectively provided with semicircular sealing pipes 5 which are attached to the outer parts of the two butt-jointed pipes, the middle parts of each semicircular sealing pipe 5 are respectively provided with a clearance slot for the liquid injection nozzle 4 to pass through, and the outer part of each liquid injection nozzle 4 is in abutment with the surface of the semicircular sealing pipe 5 through a first nut 7.

[0031] The two sides of each semicircular sealing pipe 5 are provided with grooves, the middle part of each groove is fixed with a bent end 8, the lower end of each bent end 8 is provided with a wedge-shaped block 9, and the two wedge-shaped blocks 9 on each side are fixed through a same positioning ring 10, the positioning ring 10 is sleeved on the outer part of the pipe, and the two ends of the two semicircular sealing pipes 5 are fixed through two second nuts 11, considering that metal substances are added in the production of the pipe with plastic texture to enhance the strength of the pipe, since these metal substances will affect the drinking water, therefore, when the composite pipe which is used for conveying drinking water is replaced, the whole pipe needs to be replaced, which has the defects of high replacement cost, the utility model discloses a inner lining pipe 1, a semicircular sealing pipe 5, a second nut 11 and a positioning ring 10 cooperate with each other to connect the two pipes which need to be butt-jointed, so that the whole pipe does not need to be replaced, thereby providing convenience for workers to maintain the pipe, and in order to prevent the end of the inner lining pipe 1 from being exposed and polluting the water source, the end of the inner lining pipe 1 is wrapped by two sealing sleeves 2 to prevent the exposed end from being in contact with the infusion liquid, and in addition, the sealing sleeve 2 and the annular sealing ring 3 seal the contact surface between the inner lining pipe 1 and the pipe.

[0032] The inner lining pipe 1 is provided with liquid injection cavities 12 which are consistent with the number of the liquid injection nozzles 4, one end of each liquid injection cavity 12 is in communication with the inner part of the liquid injection nozzle 4, the other end of each liquid injection nozzle 4 is in communication with the inner part of the liquid outlet nozzle 13, the liquid injection nozzle 4 is arranged on the outer side of the inner lining pipe 1 and located between the sealing sleeve 2 and the annular sealing ring 3, in order to further increase the firmness between the inner lining pipe 1 and the butt-jointed pipe, the liquid injection cavity 12, the liquid injection nozzle 4 and the liquid outlet nozzle 13 are used to inject sealing glue liquid between the inner lining pipe 1 and the butt-jointed pipe, so as to complete auxiliary fixation, that is, after the glue liquid is injected, the area between the sealing sleeve 2 and the annular sealing ring 3 is filled, thereby filling the gap between the inner lining pipe 1 and the butt-jointed pipe and completing further sealing.

[0033] The port of each liquid injection nozzle 4 is threadedly connected with a sealing plug 14, and the plug-in end surface of the sealing plug 14 is provided with a screw thread which is matched with the thread groove in the inner wall of the liquid injection nozzle 4, the sealing plug 14 is arranged to seal the liquid injection nozzle 4 after the glue liquid is injected, that is, the sealing plug 14 is screwed in after the glue liquid is injected.

[0034] The first and second resisting protrusions 15 and 16 are staggered and resist each other, thereby resisting the wedge-shaped block 9 and the bent end 8, preventing the wedge-shaped block 9 from being sent to the bent end 8, and causing the bent end 8 to reset. The wedge-shaped block 9 is inserted into the bent end 8, and the bent end 8 is lifted up, and the lifted bent end 8 is matched with the second nut 11, so that the semicircular sealing pipe 5 can be tightly installed in the inner part of the connecting pipe, and the inner part of the connecting pipe is provided with the inner lining pipe 1, thereby further improving the stability of the joint of the two connecting pipes.

[0035] The inner surface of the semicircular sealing pipe 5 is provided with the anti-skid strip 17, and the surface of the anti-skid strip 17 is in contact with the surface of the pipe. The anti-skid strip 17 is arranged on the contact surface of the semicircular sealing pipe 5 and the connecting pipe, thereby preventing the semicircular sealing pipe 5 from slipping.

[0036] The lower end of the first nut 7 is fixed with the first anti-skid ring 18, and the surface of the anti-skid ring is in contact with the surface of the semicircular sealing pipe 5. The first anti-skid ring 18 is arranged on the contact surface of the first nut 7 and the semicircular sealing pipe 5, thereby preventing the first nut 7 from slipping on the semicircular sealing pipe 5.

[0037] The side of the positioning ring 10 is fixed with the second anti-skid ring 19 which is in contact with the end of the wedge-shaped block 9. The upper and lower ends of the positioning ring 10 are threadedly connected with the limiting pins 20. The bottom of each limiting pin 20 is rotatably connected with the pressing plate 21 through a bearing. The bottom of each pressing plate 21 is fixed with the anti-skid block 6 which is in contact with the surface of the pipe. The positioning ring 10 is arranged on the wedge-shaped block 9 inserted into the bent end 8, thereby preventing the wedge-shaped block 9 from being deviated due to the tightening of the second nut 11. The positioning ring 10 is in contact with the wedge-shaped block 9, thereby preventing the wedge-shaped block 9 from being deviated, and affecting the tightness of the second nut 11 and the bent end 8. After the positioning ring 10 is in contact with the wedge-shaped block 9, the screw thread on the surface of the bent end 8 is connected with the threaded groove in the second nut 11.

[0038] When the device is used, first, according to the internal size of the two pipes to be connected, the inner liner tube 1 with a proper size is selected, then the second nut 11 and the positioning ring 10 are sleeved on the outside of the two pipes to be connected, then the two ends of the inner liner tube 1 are inserted into the interiors of the two pipes to be connected, then the second nut 11 is slid to the outside of the two semicircular sealing tubes 5, then the wedge-shaped block 9 is taken out and inserted into the bent end 8, at this time, the bent end 8 is raised, then the second limiting nut is adjusted, so that the second nut 11 is threadedly connected with the screw threads on the outside of the bent end 8, after the connection, the two positioning rings 10 are adjusted to abut against the wedge-shaped block 9, then the limiting bolt 20 is tightened, so that the side of the positioning ring 10 abutting against the wedge-shaped block 9 is abutted, at this time, the two pipes are fixed through the inner liner tube 1 and the semicircular sealing tube 5, in order to further improve the sealing between the pipes to be connected and the inner liner tube 1, the sealing plug 14 is loosened, then the sealing glue liquid is injected into the connecting nozzle, the glue liquid is sprayed from the liquid outlet nozzle 13 after the liquid injection channel 12 and is used for auxiliary sealing of the contact surface between the inner liner tube 1 and the pipes, finally, after the sealing plug 14 is tightened, the first nut 7 is taken out and is connected with the liquid injection nozzle 4 to abut against the semicircular sealing tube 5.

[0039] The utility model is not limited to the above-mentioned embodiment, any person should know the structural change made under the inspiration of the utility model, any technical scheme with the same or similar utility model falls into the protection scope of the utility model. The utility model is not described in detail, and the technical, shape and structure parts are all known technology.

Claims

1. A portable repair joint for composite material pipes comprising two semi-circular sealing pipes (5), an inner liner pipe (1) and a positioning ring (10), characterized in that, The two ends of the inner lining pipe (1) are in abutment with two pipes to be connected, and the two ends of the inner lining pipe (1) are fixed with sealing sleeves (2), and the outer part of the two ends of the inner lining pipe (1) is sleeved with annular sealing rings (3) for abutting the inner wall of the pipe. The upper and lower ends of the end of the inner lining pipe (1) are provided with liquid injection nozzles (4), and the upper and lower sides of the inner lining pipe (1) are respectively provided with semicircular sealing pipes (5) abutting the outer part of the two pipes to be connected, each semicircular sealing pipe (5) is provided with a clearance groove for the liquid injection nozzle (4) to penetrate, and the outer part of each liquid injection nozzle (4) is in abutment with the surface of the semicircular sealing pipe (5) through a first nut (7). Each semicircular sealing pipe (5) is provided with a groove on both sides, and the middle part of each groove is fixed with a bent end (8), the lower end of each bent end (8) is provided with a wedge-shaped block (9), and the two wedge-shaped blocks (9) on each side are fixed by a same positioning ring (10), the positioning ring (10) is sleeved on the outer part of the pipe, and the two ends of the two semicircular sealing pipes (5) are fixed by two second nuts (11).

2. A composite pipe portable repair joint according to claim 1, wherein, The inner part of the inner lining pipe (1) is provided with liquid injection cavities (12) consistent with the number of liquid injection nozzles (4), one end of each liquid injection cavity (12) is in communication with the inner part of the liquid injection nozzle (4), and the other end of each liquid injection nozzle (4) is in communication with the inner part of the liquid outlet nozzle (13), and the liquid injection nozzle (4) is arranged on the outer side of the inner lining pipe (1) and located between the sealing sleeve (2) and the annular sealing ring (3).

3. A composite pipe field joint repair kit according to claim 1, wherein, The port of each liquid injection nozzle (4) is threadedly connected with a sealing plug (14), and the plug-in end surface of the sealing plug (14) is provided with a screw thread matched with the screw thread groove in the inner wall of the liquid injection nozzle (4).

4. The composite pipe portable repair joint of claim 1, wherein, The opposite surfaces of the wedge-shaped block (9) and the bent end (8) are respectively provided with a first abutment protrusion (15) and a second abutment protrusion (16), and the first abutment protrusion (15) and the second abutment protrusion (16) are distributed in a staggered manner.

5. The composite pipe portable repair coupling of claim 1, wherein, The inner surfaces of the two semicircular sealing pipes (5) are bonded with anti-skid strips (17), and the surfaces of the anti-skid strips (17) are in abutment with the surfaces of the pipes.

6. A composite pipe portable repair joint according to claim 1, wherein, The lower end of the first nut (7) is fixed with a first anti-skid ring (18), and the surface of the anti-skid ring is in abutment with the surface of the semicircular sealing pipe (5).

7. The composite pipe portable repair coupling of claim 1, wherein, The side part of the positioning ring (10) is fixed with a second anti-skid ring (19) abutting the end of the wedge-shaped block (9), and the upper and lower ends of the positioning ring (10) are threadedly connected with limiting bolts (20), the bottom of each limiting bolt (20) is rotatably connected with a pressing plate (21) through a bearing, and the bottom of each pressing plate (21) is fixed with an anti-skid block (6) abutting the surface of the pipe.

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