Leakage-proof plastic pipe three-way connecting piece sealing structure

Abstract

The utility model discloses a leak-proof plastic pipe three-way connecting piece sealing structure which comprises a three-way pipe body, and the three-way pipe body comprises an upper connecting assembly, a lower connecting assembly and a side connecting assembly. By arranging the upper connecting assembly, the lower connecting assembly and the side connecting assembly, the three connecting assemblies are consistent in structure, when pipeline butt joint is conducted, a pipeline can be inserted into a connecting pipe, then an inner air bag and an inflation sealing ring are inflated, and after the inner air bag is inflated and expanded, an inner steel sheet continuously moves towards the interior of the pipeline and finally makes contact with the outer wall of the butt joint pipeline; the inner steel sheet is tightly pressed on the butt-joint pipeline to form fixation after continuous inflation, other positions of the inner air bag are tightly attached to the outer wall of the butt-joint pipeline, and the inner wall of the inflation sealing ring is also tightly attached to the outer wall of the butt-joint pipeline, so that the connection sealing performance is better, pipelines with large pipe diameter difference can be in butt joint, and the universality of the three-way connecting piece is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a plastic pipe tee joint technical field, especially in a kind of leakproof plastic pipe tee joint sealing structure. BACKGROUND

[0002] Plastic pipe tee joint is commonly used pipeline connector, different direction can be realized and is transported and is diverted.

[0003] The existing plastic pipe tee joint generally adopts sealing ring to butt joint sealing, but sealing ring can only seal the butt joint pipeline of same or pipe diameter difference little, is not applicable to the pipeline of butt joint pipe diameter difference too big, leading to the insufficient universality of tee joint. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of leakproof plastic pipe tee joint sealing structure, the structure of three connecting components is identical, when carrying out pipeline butt joint, can be inserted into connecting pipe with pipeline, then inflating to inner air bag and inflation sealing ring, after inflation and expansion of inner air bag, make inner steel sheet constantly move to the inside of pipeline, finally with the outer wall of butt joint pipeline contact, continue to inflate, make inner steel sheet tightly press on butt joint pipeline and form fixed, other positions of inner air bag and the outer wall of butt joint pipeline are tightly pasted together, the inner wall of inflation sealing ring and the outer wall of butt joint pipeline are also tightly pasted together, not only can make connection sealing better, but also can butt joint pipe diameter difference big pipeline, improve the universality of tee joint.

[0005] To achieve the above object, provide a kind of leakproof plastic pipe tee joint sealing structure, including: tee pipe body, the tee pipe body includes upper connecting component, lower connecting component and side connecting component, the side connecting component includes connecting pipe, inner baffle ring, inner air bag, big inflation nozzle, inner steel sheet, outer baffle ring, inner groove, inflation sealing ring and small inflation nozzle, the inner circumference of the connecting pipe is fixedly connected with inner baffle ring, the inner circumference of the connecting pipe is fixedly connected with inner air bag, the inner air bag is annular, the top of the inner air bag is fixedly connected with big inflation nozzle, the inner circumference of the inner air bag is fixedly connected with inner steel sheet, the left end surface of the connecting pipe is fixedly connected with outer baffle ring, the inner circumference of the outer baffle ring is provided with inner groove, the inflation sealing ring is clamped in the inside of the inner groove, the top of the inflation sealing ring is fixedly connected with small inflation nozzle.

[0006] According to the leakproof plastic pipe tee joint sealing structure, the number of the inner steel sheet is six, and is evenly distributed on the inner circumference of the inner air bag, the inner steel sheet is made of high-elastic steel plate, the inner steel sheet is arc-shaped, and anti-skid lines are arranged on the inner arc surface. After the inflation of the inner air bag, the inner steel sheet is tightly attached to the outer wall of the butt joint pipeline, forming a stable connection and improving the connection strength of the inner air bag and the butt joint pipeline.

[0007] According to the sealing structure of the leakproof plastic pipe tee connector, the inner air bag is located at the left side of the inner blocking ring.

[0008] According to the sealing structure of the leakproof plastic pipe tee connector, the air-tight sealing ring is made of high-elastic wear-resistant plastic material, the inner circumferential surface of the air-tight sealing ring is provided with anti-skid lines, the inner air bag and the air-tight sealing ring can be inflated through the large air inlet and the small air inlet respectively, so that the inner air bag and the air-tight sealing ring are inflated to fill the internal gap, thereby forming internal and external sealing and stabilizing the connection.

[0009] According to the sealing structure of the leakproof plastic pipe tee connector, the top of the large air inlet penetrates the connecting pipe, the top of the small air inlet penetrates the outer blocking ring, and the large air inlet and the small air inlet are both provided with valves.

[0010] According to the sealing structure of the leakproof plastic pipe tee connector, the upper connecting assembly and the lower connecting assembly are consistent with the structure of the side connecting assembly, so that the tee connector can be connected with pipes of different diameters in three directions, thereby improving the universality of the tee connector.

[0011] According to the sealing structure of the leakproof plastic pipe tee connector, the connecting pipes in the upper connecting assembly, the lower connecting assembly and the side connecting assembly are all plastic pipes and penetrate each other.

[0012] The above scheme has the beneficial effects that by arranging the upper connecting assembly, the lower connecting assembly and the side connecting assembly, the structures of the three connecting assemblies are consistent, when the pipes are butt-jointed, the pipes are inserted into the connecting pipes, then the inner air bag and the air-tight sealing ring are inflated, the inner air bag is inflated to move the inner steel sheet to the inner wall of the butt-jointed pipe, and the inner air bag is continuously inflated to tightly press the inner steel sheet on the butt-jointed pipe to form fixation, the other positions of the inner air bag are tightly attached to the outer wall of the butt-jointed pipe, and the inner wall of the air-tight sealing ring is also tightly attached to the outer wall of the butt-jointed pipe, so that the connection is better sealed, the pipes with different diameters can be butt-jointed, and the universality of the tee connector is improved.

[0013] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent to those skilled in the art from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0014] The present application will be further described below in conjunction with the drawings and examples.

[0015] Figure 1 It is a front view of the leakproof plastic pipe tee connector sealing structure of the present application.

[0016] Figure 2It is a sectional structure schematic view of the sealing structure of the leakage-proof plastic pipe tee joint connector.

[0017] Figure 3 For Figure 2 The enlarged view of A;

[0018] Figure 4 It is a top view of the sealing structure of the leakage-proof plastic pipe tee joint connector.

[0019] Legend:

[0020] 1, upper connecting assembly; 2, lower connecting assembly; 3, side connecting assembly; 301, connecting pipe; 302, inner blocking ring; 303, inner air bag; 304, large inflation nozzle; 305, inner steel sheet; 306, outer blocking ring; 307, inner groove; 308, inflation sealing ring; 309, small inflation nozzle. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Referring to Figure 1-4 , the utility model discloses a kind of sealing structure of leakage-proof plastic pipe tee joint connector, it includes: tee pipe body, tee pipe body includes upper connecting assembly 1, lower connecting assembly 2 and side connecting assembly 3, upper connecting assembly 1 and lower connecting assembly 2 are identical with the structure of side connecting assembly 3, side connecting assembly 3 includes connecting pipe 301, inner blocking ring 302, inner air bag 303, large inflation nozzle 304, inner steel sheet 305, outer blocking ring 306, inner groove 307, inflation sealing ring 308 and small inflation nozzle 309, inner blocking ring 302 is fixedly connected on the inner circumference of connecting pipe 301, inner air bag 303 is fixedly connected on the inner circumference of connecting pipe 301, inner air bag 303 is located at the left side of inner blocking ring 302, inner blocking ring 302 is used to limit inner air bag 303, inner air bag 303 is annular, large inflation nozzle 304 is fixedly connected at the top of inner air bag 303, inner steel sheet 305 is fixedly connected on the inner circumference of inner air bag 303, outer blocking ring 306 is fixedly connected on the left end surface of connecting pipe 301, inner groove 307 is arranged on the inner circumference of outer blocking ring 306, inflation sealing ring 308 is clamped in inner groove 307, outer blocking ring 306 is used to limit inner air bag 303, while stabilizing inflation sealing ring 308, inflation sealing ring 308 adopts high-elastic wear-resistant plastic material, anti-skid lines are arranged on the inner circumference of inflation sealing ring 308, small inflation nozzle 309 is fixedly connected at the top of inflation sealing ring 308.

[0023] The top of the large inflation nozzle 304 penetrates the connecting pipe 301, and the top of the small inflation nozzle 309 penetrates the outer blocking ring 306, and the large inflation nozzle 304 and the small inflation nozzle 309 are both provided with valves, and the inner air bag 303 and the inflation sealing ring 308 can be inflated respectively through the large inflation nozzle 304 and the small inflation nozzle 309, so that the internal gap is filled, thereby forming internal and external sealing, and the connection is stable.

[0024] The number of the inner steel sheets 305 is six, and the inner steel sheets 305 are uniformly distributed on the inner circumferential surface of the inner air bag 303, the inner steel sheets 305 are made of high-elastic steel plates, the inner steel sheets 305 are arc-shaped, and the inner arc surface is provided with anti-skid lines, the anti-skid lines can improve the friction after connection, and the inner steel sheets 305 are tightly attached to the outer wall of the butt-joint pipeline after the inflation of the inner air bag 303, thereby forming stable connection and improving the connection strength of the inner air bag 303 and the butt-joint pipeline.

[0025] The connecting pipes 301 in the upper connecting assembly 1, the lower connecting assembly 2 and the side connecting assembly 3 are all plastic pipes, and are mutually penetrated.

[0026] Working principle: when the butt-joint pipeline is connected by the three-way connecting piece, the butt-joint pipeline is inserted into the connecting pipe 301 in the upper connecting assembly 1, the lower connecting assembly 2 and the side connecting assembly 3 respectively, and then the inner air bag 303 and the inflation sealing ring 308 can be inflated respectively through the large inflation nozzle 304 and the small inflation nozzle 309, so that the inner air bag 303 is inflated, the inner steel sheets 305 are tightly attached to the outer wall of the butt-joint pipeline, the anti-skid lines can improve the connection stability, and the inner steel sheets 305 are self-adapted to completely attach to the outer wall of the butt-joint pipeline, after the continuous inflation of the inner air bag 303, other parts directly contact the outer wall of the butt-joint pipeline, the connection gap is filled, internal sealing is formed, the inner wall of the inflation sealing ring 308 on the outer side is also tightly attached to the outer wall of the butt-joint pipeline, external sealing is formed, and the anti-skid lines on the inner wall can also improve the stability of the connection, not only the connection sealing is better, but also the butt-joint pipeline with large diameter difference can be connected, and the universality of the three-way connecting piece is improved.

[0027] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A leak-proof plastic pipe tee connector seal structure, characterized by, Include: Three -way pipe body, the three -way pipe body includes upper connecting assembly (1), lower connecting assembly (2) and side connecting assembly (3), the side connecting assembly (3) includes connecting pipe (301), inner baffle ring (302), inner air bag (303), big inflation nozzle (304), inner steel sheet (305), outer baffle ring (306), inner groove (307), inflation sealing ring (308) and small inflation nozzle (309), the inner circumference of the connecting pipe (301) is fixedly connected with inner baffle ring (302), the inner circumference of the connecting pipe (301) is fixedly connected with inner air bag (303), the inner air bag (303) is annular, the top of the inner air bag (303) is fixedly connected with big inflation nozzle (304), the inner circumference of the inner air bag (303) is fixedly connected with inner steel sheet (305), the left end surface of the connecting pipe (301) is fixedly connected with outer baffle ring (306), the inner circumference of the outer baffle ring (306) is provided with inner groove (307), the inner groove (307) is clamped with inflation sealing ring (308), the top of the inflation sealing ring (308) is fixedly connected with small inflation nozzle (309).

2. A leakproof plastic pipe tee connector sealing structure according to claim 1, characterized in that, The number of the inner steel sheet (305) is six, and is uniformly distributed on the inner circumference of the inner air bag (303), the inner steel sheet (305) adopts high elasticity steel sheet, the inner steel sheet (305) is arc-shaped, and the inner arc surface is provided with anti -skid line.

3. The leakproof plastic pipe tee connector sealing structure according to claim 1, wherein, The inner air bag (303) is located at the left side of the inner baffle ring (302).

4. The leakproof plastic pipe tee connector seal according to claim 1, wherein, The inflation sealing ring (308) adopts high elasticity wear -resisting plastic material, the inner circumference of the inflation sealing ring (308) is provided with anti -skid line.

5. The leakproof plastic pipe tee connector seal according to claim 1, wherein, The top of the big inflation nozzle (304) penetrates the connecting pipe (301), the top of the small inflation nozzle (309) penetrates the outer baffle ring (306), and the big inflation nozzle (304) and the small inflation nozzle (309) are provided with valve.

6. The leakproof plastic pipe tee connector seal according to claim 1, wherein, The upper connecting assembly (1) and the lower connecting assembly (2) are consistent with the structure of the side connecting assembly (3).

7. The leakproof plastic pipe tee connector seal according to claim 1, wherein, The connecting pipe (301) in the upper connecting assembly (1), the lower connecting assembly (2) and the side connecting assembly (3) is plastic pipe, and is mutually penetrated.

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