Anti-leakage PE pipeline for municipal water supply

Abstract

The utility model relates to an anti-leakage PE pipeline for municipal water supply, and relates to the technical field of pipelines, the anti-leakage PE pipeline comprises a pipe body, a connecting device is arranged at the end of the pipe body, and the pipe body is connected with an adjacent pipe body through the connecting device. The pipe bodies are moved to drive the connecting rings to move, the connecting rings move to drive the connecting inserting plates to move, the connecting inserting plates on the two adjacent connecting rings are inserted into the inserting grooves of the connecting rings of the opposite side, then the connecting inserting plates are limited through the limiting mechanisms, and then the connecting work between the two pipe bodies can be completed; and when the connecting insertion plate and the insertion groove are completely inserted, the two connecting rings and the two sealing rubber rings abut against each other, so that structural sealing between the two pipe bodies is guaranteed while the work of mutual connection between the pipe bodies is completed, and the probability of the leakage phenomenon between the two pipe bodies is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of pipelines, and in particular, to a leak-proof PE pipeline for municipal water supply. Background Art

[0002] PE pipeline, fully known as polyethylene pipeline, is a plastic pipeline widely used in natural gas, drinking water, industrial and urban pipelines. PE pipelines have excellent chemical resistance and are resistant to most chemicals used in life and industry.

[0003] In the related art, reference can be made to the Chinese utility model patent with the authorization announcement number CN205689920U, which discloses a PE pipeline, including a pipeline main body, a tracer wire, and a tracer wire connector; the above-mentioned tracer wire includes a PE outer protective layer, a copper layer, and a steel core, the above-mentioned copper layer is wrapped inside the PE outer protective layer, and the steel core is wrapped inside the copper layer; the tracer wire connector is located outside the pipeline main body, and the height of the tracer wire connector is 1-2 cm; the middle position of the tracer wire connector wraps the tracer wire, and the edge position is bonded to the pipeline main body 1 by a thermal fusion method.

[0004] During the installation process of the above-mentioned PE pipeline, a sleeve is usually used to connect and fix the joints of two PE pipelines. However, since both the sleeve and the PE pipeline are preformed materials, it is very difficult for the sleeve to fit and seal tightly when sleeved on the PE pipeline. When the PE pipeline conveys the medium, the medium is likely to leak at the connection between the sleeve and the PE pipeline, thereby having an adverse impact on the conveying effect of the PE pipeline. Utility Model Content

[0005] In order to reduce the probability of leakage of the PE pipeline when conveying the medium, the present application provides a leak-proof PE pipeline for municipal water supply.

[0006] A leak-proof PE pipeline for municipal water supply provided by the present application adopts the following technical solutions:

[0007] A leak-proof PE pipeline for municipal water supply includes a pipe body, a connecting device is provided at the end of the pipe body, the pipe body is connected to an adjacent pipe body through the connecting device, and the connecting device includes:

[0008] A connecting ring, the connecting ring is arranged at the end of the pipe body, and a plugging groove is opened on the side wall of the end surface of the connecting ring away from the pipe body;

[0009] A connecting plug board, the connecting plug board is arranged on the connecting ring, the connecting plug board is in plugging fit with the plugging groove of the connecting ring on the adjacent pipe body, and when the connecting plug board is completely plugged into the plugging groove, the two connecting rings are pressed tightly together;

[0010] Sealing rubber ring, the sealing rubber ring is arranged on the connecting ring. When the two connecting rings are pressed against each other, the sealing rubber rings on the two connecting rings are also pressed against each other.

[0011] Limit mechanism, the limit mechanism is arranged on the connecting ring and is used to limit the position of the connecting plug board in the plugging slot.

[0012] By adopting the above technical solution, when two pipe bodies are connected, moving the pipe body drives the connecting ring to move, and the movement of the connecting ring drives the connecting plug board to move. Insert the connecting plug boards on two adjacent connecting rings into the plugging slots of the other connecting ring, and then limit the connecting plug board through the limit mechanism, and the connection work between the two pipe bodies can be completed. When the connecting plug board is fully inserted into the plugging slot, the two connecting rings and the two sealing rubber rings are all pressed against each other, so as to ensure the structural seal between the two pipe bodies while completing the connection work between the pipe bodies, and reduce the probability of leakage between the two pipe bodies.

[0013] Optionally, the connecting plug board is arranged in a semi-circular arc shape, the plugging slot is also arranged in a semi-circular arc shape, and when the connecting plug board is plugged into the plugging slot, two adjacent connecting plug boards are pressed against each other.

[0014] By adopting the above technical solution, the connecting plug board is set in a semi-circular arc shape, so that when the two connecting plug boards are plugged into the connecting slots on the other connecting ring respectively, the two connecting plug boards can cooperate with each other and press against each other to seal the inside of the connecting ring, thereby improving the tightness of the connection between the two connecting rings and reducing the probability of medium leakage.

[0015] Optionally, the limit mechanism includes:

[0016] Limit post, a limit hole communicating with the plugging slot is opened on the side wall of the connecting ring, a limit slot communicating with the limit hole is opened on the outer side wall of the connecting plug board, and the limit post is inserted into the limit hole and partially extends out of the limit hole to be plugged and matched with the limit slot;

[0017] The first clamping ring and the second clamping ring, one end of the first clamping ring and the second clamping ring are rotatably connected together, a fastening component is arranged at the other end of the first clamping ring and the second clamping ring, the first clamping ring and the second clamping ring clamp the outer side wall of the connecting ring under the action of the fastening component, and the first clamping ring and the second clamping ring cooperate to block the limit hole.

[0018] By adopting the above technical solution, a limiting hole is opened on the connecting ring and a limiting groove is opened on the connecting plug plate. After the connecting plug plate is plugged into the connecting groove, the limiting column is moved to be inserted into the limiting hole and plugged into the limiting groove, and then the first and second holding rings are moved to clamp the outer wall of the connecting ring and cover the limiting hole. The first and second holding rings limit the limiting column in the limiting hole, and the limiting column limits the connecting plug plate in the connecting groove, thereby completing the work of fixing the position of the connecting plug plate.

[0019] Optionally, the fastening assembly includes:

[0020] A first fastening plate and a second fastening plate, wherein the first fastening plate and the second fastening plate are respectively arranged on the first embrace ring and the second embrace ring, and the first fastening plate and the second fastening plate are respectively provided with a first through hole and a second through hole in communication;

[0021] A fastening screw, the fastening screw passes through the first through hole and the second through hole in sequence, and the head of the fastening screw is pressed against the first fastening plate;

[0022] A fastening nut, the fastening nut is threadedly connected to the fastening screw and is pressed against the second fastening plate.

[0023] By adopting the above technical solution, after the first holding ring and the second holding ring are rotated to be clamped on the outer wall of the connecting ring, the first fastening plate and the second fastening plate are pressed together, the fastening screw is moved to pass through the first through hole and the second through hole in sequence, and then the fastening nut is screwed on the fastening screw and pressed against the second fastening plate, thereby completing the fixing of the positions of the first holding ring and the second holding ring.

[0024] Optionally, a clearance groove is provided on the outer side wall of the connecting ring, the limiting hole is provided on the inner bottom wall of the clearance groove, and the first holding ring and the second holding ring are located in the clearance groove.

[0025] By adopting the above technical solution, a clearance groove is provided on the outer wall of the connecting ring, and the limiting hole is provided in the clearance groove. The clearance groove positions the first and second embrace rings and protects the first and second embrace rings at the same time.

[0026] Optionally, an arc-shaped contact surface is provided on the end surface of the end of the limiting column that is not plugged into the limiting groove, and the contact surface is flush with the bottom wall of the stop groove.

[0027] By adopting the above technical solution, an arc-shaped contact surface is provided on the limiting column, so that the first holding ring and the second holding ring are in closer contact with the limiting column, thereby improving the fixing effect of the limiting column.

[0028] Optionally, a sealing strip is provided at the end of the connecting plug plate.

[0029] By adopting the above technical solution, a sealing strip is installed at the end of the connecting plug board, thereby improving the sealing performance when the connecting plug board is inserted into the insertion slot and reducing the probability of leakage.

[0030] In summary, the present application includes at least one of the following beneficial technical effects:

[0031] 1. By driving the connecting ring to move through the moving pipe body, the connecting ring drives the connecting plug board to move. Insert the connecting plug boards on two adjacent connecting rings into the insertion slots of the other connecting ring, and then limit the connecting plug board through the limiting mechanism, and the connection work between the two pipe bodies can be completed. When the connecting plug board is fully inserted into the insertion slot, the two connecting rings and the two sealing rubber rings are all pressed tightly together, thereby ensuring the structural seal between the two pipe bodies while completing the connection work between the pipe bodies, and reducing the probability of leakage between the two pipe bodies;

[0032] 2. By opening a limiting hole on the connecting ring and a limiting slot on the connecting plug board, after the connecting plug board is inserted into the connecting slot, move and limit the insertion into the limiting hole and engage with the limiting slot, and then move the first clamping ring and the second clamping ring to clamp the outer wall of the connecting ring and block the limiting hole. The first clamping ring and the second clamping ring limit the limiting post in the limiting hole, and the limiting post limits the connecting plug board in the connecting slot, thereby completing the fixing work of the position of the connecting plug board;

[0033] 3. By installing a sealing strip at the end of the connecting plug board, the sealing performance when the connecting plug board is inserted into the insertion slot is improved, and the probability of leakage is reduced. Description of the Drawings

[0034] Figure 1 is a three-dimensional structural schematic diagram of the present application;

[0035] Figure 2 is a structural schematic diagram of the connecting device in the present application.

[0036] Reference numerals: 1, pipe body; 11, relief groove; 12, contact surface; 2, connecting device; 21, connecting ring; 22, connecting plug board; 23, sealing rubber ring; 24, limiting mechanism; 25, insertion slot; 26, sealing strip; 31, limiting post; 32, first clamping ring; 33, second clamping ring; 34, limiting hole; 35, limiting slot; 4, fastening assembly; 41, first fastening plate; 42, second fastening plate; 43, fastening screw; 44, fastening nut. Detailed Description of the Invention

[0037] The following will further describe the present application in detail Figure 1 - attached Figure 2 to the drawings.

[0038] An anti-leakage PE pipe for municipal water supply is disclosed in an embodiment of the present application.

[0039] Referring to Figure 1 , the anti-leakage PE pipe for municipal water supply includes a pipe body 1, and a connecting device 2 is arranged at the end of the pipe body 1. The pipe body 1 is connected to an adjacent pipe body 1 through the connecting device 2.

[0040] Referring to Figure 1 and Figure 2 , the connecting device 2 includes a connecting ring 21, a connecting plug board 22, a sealing rubber ring 23 and a limiting mechanism 24. The connecting ring 21 is fixedly installed at the end of the pipe body 1, and a plugging groove 25 is formed on the end face of the connecting ring 21 away from the pipe body 1. The connecting plug board 22 is fixedly connected to the end face of the connecting ring 21 away from the pipe body 1. A sealing rubber strip 26 is laid on the inner side wall of the connecting plug board 22 away from the connecting ring 21. The connecting plug board 22 is arranged in a semi-circular arc shape, and the plugging groove 25 is also arranged in a semi-circular arc shape. The connecting plug boards 22 on two adjacent pipe bodies 1 are plugged into each other's connecting grooves. When the connecting plug board 22 is plugged into the plugging groove 25, the two adjacent connecting plug boards 22 are tightly pressed against each other. The sealing rubber ring 23 is fixedly installed on the inner side wall of the connecting ring 21. When the two connecting rings 21 are tightly pressed against each other, the sealing rubber rings 23 on the two connecting rings 21 are also tightly pressed against each other.

[0041] Referring to Figure 1 and Figure 2 , when two pipe bodies 1 are connected, moving the pipe body 1 drives the connecting ring 21 to move, and the movement of the connecting ring 21 drives the connecting plug board 22 to move. The connecting plug boards 22 on two adjacent connecting rings 21 are inserted into the plugging grooves 25 of the other connecting ring 21. When the connecting plug board 22 is completely plugged into the plugging groove 25, the two connecting rings 21, the two connecting plug boards 22 and the two sealing rubber rings 23 are all tightly pressed against each other. Thus, the structural seal between the two pipe bodies 1 is ensured, and the probability of leakage between the two pipe bodies 1 is reduced.

[0042] Referring to Figure 1 and Figure 2 , the limiting mechanism 24 is arranged on the connecting ring 21 and is used to limit the position of the connecting plug board 22 in the plugging groove 25. The limiting mechanism 24 includes a limiting column 31, a first clamping ring 32 and a second clamping ring 33. A limiting hole 34 communicating with the plugging groove 25 is formed on the outer side wall of the connecting ring 21. A limiting groove 35 communicating with the limiting hole 34 is formed on the outer side wall of the connecting plug board 22. The limiting column 31 is inserted into the limiting hole 34 and partially penetrates out of the limiting hole 34 to be in plugging fit with the limiting groove 35. One ends of the first clamping ring 32 and the second clamping ring 33 are rotatably connected together, and a fastening component 4 is arranged at the other ends of the first clamping ring 32 and the second clamping ring 33. The first clamping ring 32 and the second clamping ring 33 clamp the outer side wall of the connecting ring 21 under the action of the fastening component 4 and block the limiting hole 34.

[0043] Reference Figure 1 and Figure 2 As shown in FIGS. Figure 2 and , the fastening assembly 4 includes a first fastening plate 41, a second fastening plate 42, a fastening screw 43 and a fastening nut 44. The first fastening plate 41 and the second fastening plate 42 are respectively fixedly installed on the outer side walls of the first clamping ring 32 and the second clamping ring 33 away from the rotation point. A first through hole and a second through hole which communicate with each other are respectively formed in the first fastening plate 41 and the second fastening plate 42. The fastening screw 43 sequentially passes through the first through hole and the second through hole, and the head of the fastening screw 43 abuts against the first fastening plate 41. The fastening nut 44 is threadedly connected to the fastening screw 43 and abuts against the second fastening plate 42.

[0044] Reference Figure 1 and Figure 2 As shown in FIGS. Figure 1 and Figure 2 , after the connection plug 22 is inserted into the connection slot, the moving limit is inserted into the limit hole 34 and is in plug-in fit with the limit slot 35. Then, the first clamping ring 32 and the second clamping ring 33 are moved to clamp the outer side wall of the connection ring 21 and block the limit hole 34. The first clamping ring 32 and the second clamping ring 33 limit the limit post 31 in the limit hole 34, and the limit post 31 limits the connection plug 22 in the connection slot, thereby completing the fixing work of the position of the connection plug 22.

[0045] Reference Figure 1 and Figure 2 As shown in FIGS. Figure 1 and Figure 2 , a relief groove 11 is formed on the outer side wall of the connection ring 21, the limit hole 34 is formed on the inner bottom wall of the relief groove 11, and the first clamping ring 32 and the second clamping ring 33 are located in the relief groove 11. An arc-shaped contact surface 12 is formed on the end surface of the end of the limit post 31 that is not in plug-in fit with the limit slot 35, and the contact surface 12 is flush with the inner bottom wall of the relief groove 11.

[0046] The working principle of the embodiment of the present application is as follows:

[0047] When two pipe bodies 1 are connected, moving the pipe body 1 drives the connection ring 21 to move, and the movement of the connection ring 21 drives the connection plug 22 to move. The connection plugs 22 on two adjacent connection rings 21 are inserted into the plug-in slots 25 of the other connection ring 21. When the connection plug 22 is completely inserted into the plug-in slot 25, the two connection rings 21, the two connection plugs 22 and the two sealing rubber rings 23 are all abutted tightly together. Thus, the structural seal between the two pipe bodies 1 is ensured, and the probability of leakage between the two pipe bodies 1 is reduced.

[0048] The above are all the preferred embodiments of the present application, and the protection scope of the present application is not limited accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A leak-proof PE pipe for municipal water supply, characterized in that: The invention comprises a pipe body (1), wherein a connecting device (2) is provided at the end of the pipe body (1), and the pipe body (1) is connected to an adjacent pipe body (1) via the connecting device (2), and the connecting device (2) comprises: A connecting ring (21), the connecting ring (21) being arranged at the end of the tube body (1), and a plug-in groove (25) being provided on a side wall of an end surface of the connecting ring (21) away from the tube body (1); A connecting plug plate (22), the connecting plug plate (22) being arranged on the connecting ring (21), the connecting plug plate (22) being plugged into and matched with the plugging groove (25) of the connecting ring (21) on the adjacent pipe body (1), and the two connecting rings (21) being pressed tightly together when the connecting plug plate (22) and the plugging groove (25) are fully plugged into each other; A sealing rubber ring (23), wherein the sealing rubber ring (23) is arranged on the connecting ring (21), and when the two connecting rings (21) are pressed tightly together, the sealing rubber rings (23) on the two connecting rings (21) are also pressed tightly together; A limiting mechanism (24) is arranged on the connecting ring (21) and is used to limit the position of the connecting plug plate (22) in the plug slot (25).

2. The anti-leakage PE pipe for municipal water supply according to claim 1, characterized in that: The connecting plug plates (22) are arranged in a semicircular arc shape, and the plugging slots (25) are also arranged in a semicircular arc shape. When the connecting plug plates (22) are plugged into the plugging slots (25), two adjacent connecting plug plates (22) are pressed against each other.

3. The anti-leakage PE pipe for municipal water supply according to claim 1, characterized in that: The limiting mechanism (24) comprises: A limiting post (31), a limiting hole (34) communicating with the plug-in slot (25) is provided on the side wall of the connecting ring (21), a limiting slot (35) communicating with the limiting hole (34) is provided on the outer side wall of the connecting plug plate (22), the limiting post (31) is inserted into the limiting hole (34) and partially passes through the limiting hole (34) to be plugged into the limiting slot (35); The first embracing ring (32) and the second embracing ring (33) are rotatably connected at one end thereof, and a fastening assembly (4) is provided at the other end thereof. The first embracing ring (32) and the second embracing ring (33) clamp the outer wall of the connecting ring (21) under the action of the fastening assembly (4), and the first embracing ring (32) and the second embracing ring (33) cooperate to cover the limiting hole (34).

4. The anti-leakage PE pipe for municipal water supply according to claim 3, characterized in that: The fastening assembly (4) comprises: A first fastening plate (41) and a second fastening plate (42), wherein the first fastening plate (41) and the second fastening plate (42) are respectively arranged on the first embrace ring (32) and the second embrace ring (33), and the first fastening plate (41) and the second fastening plate (42) are respectively provided with a first through hole and a second through hole that are in communication; A fastening screw (43), wherein the fastening screw (43) passes through the first through hole and the second through hole in sequence, and the head of the fastening screw (43) is pressed against the first fastening plate (41); A fastening nut (44) is threadedly connected to the fastening screw (43) and is pressed against the second fastening plate (42).

5. The anti-leakage PE pipe for municipal water supply according to claim 3, characterized in that: A clearance groove (11) is provided on the outer side wall of the connecting ring (21), the limiting hole (34) is provided on the inner bottom wall of the clearance groove (11), and the first holding ring (32) and the second holding ring (33) are located in the clearance groove (11).

6. The anti-leakage PE pipe for municipal water supply according to claim 5, characterized in that: An arc-shaped contact surface (12) is provided on the end surface of the limiting column (31) that is not plugged into the limiting groove (35), and the contact surface (12) is flush with the inner bottom wall of the displacement groove (11).

7. The anti-leakage PE pipe for municipal water supply according to claim 1, characterized in that: A sealing strip (26) is provided at the end of the connecting plug plate (22).

Images