Anti-leakage connecting structure for municipal water supply pipeline

Abstract

The utility model belongs to the technical field of municipal engineering, and particularly relates to a municipal water supply pipeline anti-leakage connecting structure which comprises a first pipeline, a connecting groove is formed in the surface of one end of the first pipeline, a connecting pipe is connected to the surface of the inner side of the connecting groove, and surface threads are formed in the surface of the outer side of one end of the connecting pipe. The connecting pipe, the first sealing ring, the second sealing ring and the connecting block are matched with one another, a double-layer sealing structure is arranged at the pipeline connecting position, the first sealing ring enables the second sealing ring to be not prone to being invaded by water, the second sealing ring enables the first sealing ring to be not prone to being invaded by external air, and through the mutual matching of the first sealing ring and the second sealing ring, the sealing effect is good. By means of the structure, the service life of the two sealing rings is prolonged, it is guaranteed that leakage is not prone to occurring at the pipeline connecting position, the protective mechanism is arranged, the protective cover can shield the part, exposed in the environment, of the bolt, the situation that the bolt is corroded by the external environment and rusted is avoided, and the problem that the bolt is difficult to disassemble is not prone to occurring.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal engineering, and in particular relates to a leakage-proof connection structure for a municipal water supply pipeline. Background Art

[0002] Municipal water supply pipelines are an important guarantee for the normal operation of cities. Usually, municipal water supply pipelines are located underground. Municipal water supply pipelines transport product water from the primary water supply system or water treatment plant to the user's pipeline system, providing users with water resources in a timely manner. In urban construction, municipal water supply pipelines are one of the important components.

[0003] When laying municipal water supply pipes, it is generally necessary to connect the pipes to each other in order to achieve the specified laying length. The connection between the two pipes is generally through a flange connection, and then a conventional sealing ring is used for sealing and fixing. After a period of use, the sealing ring at the connection will age and leakage will occur, resulting in a waste of water resources.

[0004] Therefore, the utility model provides a leakage-proof connection structure for a municipal water supply pipeline to solve the above-mentioned problem. Utility Model Content

[0005] The utility model aims to provide a leakage-proof connection structure for a municipal water supply pipe, aiming to solve the problem in the prior art that the sealing ring at the connection of the water supply pipe is prone to aging, resulting in leakage at the connection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a connection structure for preventing leakage of a municipal water supply pipeline, comprising a first pipeline, a connection groove is provided on the surface of one end of the first pipeline, a connection pipe is connected to the inner surface of the connection groove, a surface thread is provided on the outer surface of one end of the connection pipe, a thread groove provided inside the first pipeline is connected to the outer surface of the surface thread, a first sealing ring is connected to the inner surface of one end of the connection pipe, one end of the first sealing ring extends into a first clamping groove provided inside the first pipeline, a second sealing ring is connected to the outer surface of one end of the connection pipe, one end of the second sealing ring extends into a second clamping groove provided inside the first pipeline, a second pipeline is connected to the surface of one end of the connection pipe, a first connection block is connected to the outer surface of one end of the second pipeline, one end of the first connection block extends into the slot, the slot is provided on one end surface of the second connection block, the second connection block is arranged on the outer surface of one end of the first pipeline, a bolt is connected to the outer surface of the second connection block, one end of the bolt extends into the first connection block, and a protective mechanism is also connected to the outer surface of the second connection block.

[0007] In order to cover the protruding part of the bolt, as a preferred connection structure for anti-leakage of a municipal water supply pipe of the utility model, the protection mechanism includes: a first protection block, a notch, a positioning groove, a positioning block, a second protection block, a clamping block and a third clamping groove, the outer surface of the second connection block is connected to the first protection block, the inner surface of the first protection block is provided with a notch, and the two end surfaces of the first protection block are provided with positioning grooves, the inner surface of the positioning groove is connected to the positioning block, one side surface of the positioning block is connected to the second protection block, and the two end surfaces of the positioning block are connected to clamping blocks, and one end of the clamping block extends into the third clamping groove provided inside the first protection block.

[0008] In order to realize the connection of the connecting pipe into the first pipe, as a preferred leakage-proof connection structure of a municipal water supply pipe of the utility model, the connecting pipe is slidably connected to the first pipe through a connecting groove, and the connecting pipe is threadedly connected to the thread groove through a surface thread.

[0009] In order to realize that sealing rings are arranged inside and outside the connecting pipe, as a preferred connection structure for preventing leakage of a municipal water supply pipe in the utility model, the size and position of the first sealing ring match the size and position of the first slot, and the size and position of the second sealing ring match the size and position of the second slot.

[0010] In order to strengthen the connection between pipes, as a preferred anti-leakage connection structure for a municipal water supply pipe of the utility model, the first connecting block forms a sliding connection with the second connecting block through a slot, and the bolt forms a threaded connection with the first connecting block by passing through the second connecting block.

[0011] In order to install the protective block, as a preferred connection structure for preventing leakage of a municipal water supply pipe in the utility model, the size and position of the notch match the size and position of the bolt, the positioning block forms a sliding connection with the first protective block through the positioning groove, and the clamping block forms a clamping structure with the first protective block through the third clamping groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a double-layer sealing structure at the pipe connection through the mutual cooperation among the connecting pipe, the first sealing ring, the second sealing ring and the connecting block, so that the first sealing ring makes the second sealing ring less susceptible to water invasion, and the second sealing ring makes the first sealing ring less susceptible to external air invasion. The mutual cooperation between the two can increase the service life of the two sealing rings, thereby ensuring that the pipe connection is not prone to leakage.

[0014] 2. The utility model provides a protective mechanism so that the protective cover can shield the part of the bolt exposed to the environment, thereby preventing the bolt from being corroded by the external environment and rusting, making it less likely that the bolt will be difficult to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the first partial explosion structure of the pipeline connection of the utility model;

[0018] Figure 3 This is a schematic diagram of the second partial explosion structure of the pipeline connection of the utility model;

[0019] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the connection groove of the utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the utility model after the protective mechanism is installed;

[0021] Figure 6 It is a schematic diagram of the partial explosion structure of the protection mechanism of the utility model.

[0022] Figure 7 This is a schematic diagram of the structure of the first protective block of the utility model.

[0023] In the figure: 1, first pipeline; 2, connecting groove; 3, connecting pipe; 4, surface thread; 5, thread groove; 6, first sealing ring; 7, first clamping groove; 8, second sealing ring; 9, second clamping groove; 10, second pipeline; 11, first connecting block; 12, slot; 13, second connecting block; 14, bolt; 15, first protective block; 16, notch; 17, positioning groove; 18, positioning block; 19, second protective block; 20, clamping block; 21, third clamping groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 7 The utility model provides the following technical solutions: a connection structure for preventing leakage of a municipal water supply pipeline, comprising a first pipeline 1, a connection groove 2 is provided on the surface of one end of the first pipeline 1, a connection pipe 3 is connected to the inner surface of the connection groove 2, a surface thread 4 is provided on the outer surface of one end of the connection pipe 3, a thread groove 5 provided inside the first pipeline 1 is connected to the outer surface of the surface thread 4, a first sealing ring 6 is connected to the inner surface of one end of the connection pipe 3, one end of the first sealing ring 6 extends into a first card groove 7 provided inside the first pipeline 1, a second sealing ring 8 is connected to the outer surface of one end of the connection pipe 3, and a second sealing ring 8 is connected to the outer surface of the second connection pipe 3. One end of the sealing ring 8 extends into the second card groove 9 opened inside the first pipe 1, one end surface of the connecting pipe 3 is connected to the second pipe 10, the outer surface of one end of the second pipe 10 is connected to the first connecting block 11, one end of the first connecting block 11 extends into the inside of the slot 12, the slot 12 is opened on one end surface of the second connecting block 13, the second connecting block 13 is arranged on the outer surface at one end of the first pipe 1, the outer surface of the second connecting block 13 is penetrated and connected with a bolt 14, one end of the bolt 14 extends into the first connecting block 11, and the outer surface of the second connecting block 13 is also connected with a protective mechanism.

[0026] Preferably: the protective mechanism includes: a first protective block 15, a notch 16, a positioning groove 17, a positioning block 18, a second protective block 19, a clamping block 20 and a third clamping groove 21, the outer surface of the second connecting block 13 is connected to the first protective block 15, the inner surface of the first protective block 15 is provided with a notch 16, and the two end surfaces of the first protective block 15 are provided with positioning grooves 17, the inner surface of the positioning groove 17 is connected to the positioning block 18, one side surface of the positioning block 18 is connected to the second protective block 19, and the two end surfaces of the positioning block 18 are connected to the clamping block 20, and one end of the clamping block 20 extends into the third clamping groove 21 provided inside the first protective block 15.

[0027] During specific use, the first protective block 15 is placed on the outer side of the second connecting block 13, so that the protruding part of the bolt 14 enters the groove 16 on the first protective block 15, and then the positioning block 18 on the second protective block 19 is inserted into the positioning groove 17 on the first protective block 15. At this time, the clamping block 20 on the positioning block 18 will be engaged in the third clamping groove 21, so that the first protective block 15 and the second protective block 19 are connected together, and the protruding end of the other bolt 14 will also enter the groove 16 on the second protective block 19, so that the first protective block 15 and the second protective block 19 can cover all the bolts 14.

[0028] Preferably, the connecting pipe 3 is slidably connected to the first pipe 1 through the connecting groove 2 , and the connecting pipe 3 is threadedly connected to the thread groove 5 through the surface thread 4 .

[0029] When in use, the connecting pipe 3 at one end of the second pipe 10 is slid into the connecting groove 2, and the connecting pipe 3 is screwed into the thread groove 5 through the surface thread 4, so that the second pipe 10 is connected to the first pipe 1.

[0030] Preferably, the size and position of the first sealing ring 6 match the size and position of the first clamping groove 7 , and the size and position of the second sealing ring 8 match the size and position of the second clamping groove 9 .

[0031] During specific use, when the connecting tube 3 moves, the first sealing ring 6 moves to the position of the first clamping groove 7, so that the two form a sealing structure, and the second sealing ring 8 also moves to the position of the second clamping groove 9, so that the two also form a sealing structure.

[0032] Preferably, the first connection block 11 is slidably connected to the second connection block 13 through the slot 12 , and the bolt 14 is threadedly connected to the first connection block 11 by penetrating the second connection block 13 .

[0033] During specific use, the protruding part of the first connecting block 11 at one end of the second pipe 10 will be slidably inserted into the slot 12 on the second connecting block 13, and then the bolt 14 will penetrate the second connecting block 13 and be screwed into the first connecting block 11, so that the first connecting block 11 and the second connecting block 13 can be connected together, thereby increasing the stability of the first pipe 1 and the second pipe 10 after being connected.

[0034] Preferably, the size and position of the notch 16 match the size and position of the bolt 14 , the positioning block 18 forms a sliding connection with the first protective block 15 through the positioning slot 17 , and the clamping block 20 forms a clamping structure with the first protective block 15 through the third clamping slot 21 .

[0035] During specific use, the first protective block 15 and the second protective block 19 are both provided with a slot 16 corresponding to the position of the bolt 14. When the positioning block 18 on the second protective block 19 is inserted into the positioning slot 17 on the first protective block 15, the clamping block 20 on the positioning block 18 will be clamped in the third clamping slot 21, so that the first protective block 15 and the second protective block 19 are connected together.

[0036] Working principle: When using the anti-leakage connection structure of the municipal water supply pipeline, slide the connecting pipe 3 at one end of the second pipeline 10 into the connecting groove 2, so that the connecting pipe 3 is screwed into the thread groove 5 through the surface thread 4. At this time, the first sealing ring 6 on the inside of the connecting pipe 3 will move to the position of the first card groove 7 to form a sealing structure, and the second sealing ring 8 on the outside of the connecting pipe 3 will also move to the position of the second card groove 9 to form a secondary sealing structure. In this way, the first sealing ring 6 makes the second sealing ring 8 less susceptible to water invasion, and the second sealing ring 8 makes the first sealing ring 6 less susceptible to external air invasion. The two cooperate with each other to improve the service life of the first sealing ring 6 and the second sealing ring 8, so that the first sealing ring 6 and the second sealing ring 8 are not prone to aging, and the sealing effect of the first sealing ring 6 and the second sealing ring 8 is ensured, so that the first pipeline 1 and the second pipeline 10 have a double-layer sealing structure after being connected, so that leakage is not likely to occur. When the connecting pipe 3 is installed inside the first pipeline 1, the protruding part of the first connecting block 11 at one end of the second pipeline 10 will slide and be inserted into the slot 12 on the second connecting block 13, and then the bolt 14 will penetrate the second pipeline 10. The connecting block 13 is screwed into the first connecting block 11, so that the first connecting block 11 and the second connecting block 13 can be connected together, thereby increasing the stability of the first pipeline 1 and the second pipeline 10 after being connected, so that the first pipeline 1 and the second pipeline 10 are not easy to loosen. Secondly, when the first pipeline 1 and the second pipeline 10 are connected, the protruding end of the bolt 14 will be exposed to the environment. At this time, by placing the first protective block 15 on the outside of the second connecting block 13, the protruding part of the bolt 14 enters the notch 16 on the first protective block 15. Then insert the positioning block 18 on the second protective block 19 into the positioning groove 17 on the first protective block 15. At this time, the clamping block 20 on the positioning block 18 will be clamped in the third clamping groove 21, so that the first protective block 15 and the second protective block 19 are connected together, and the protruding end of the other bolt 14 will also enter the groove 16 on the second protective block 19. In this way, the first protective block 15 and the second protective block 19 can cover all the bolts 14 to prevent the bolts 14 from being corroded by the external environment and rusting, so that the bolts 14 are not easy to be difficult to disassemble.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A leakage-proof connection structure for a municipal water supply pipeline, comprising a first pipeline (1), characterized in that: A connection groove (2) is provided on the surface of one end of the first pipe (1), and a connection pipe (3) is connected to the inner surface of the connection groove (2). A surface thread (4) is provided on the outer surface of one end of the connection pipe (3), and the outer surface of the surface thread (4) is connected to a thread groove (5) provided inside the first pipe (1). A first sealing ring (6) is connected to the inner surface of one end of the connection pipe (3), and one end of the first sealing ring (6) extends into a first clamping groove (7) provided inside the first pipe (1). A second sealing ring (8) is connected to the outer surface of one end of the connection pipe (3), and one end of the second sealing ring (8) extends into a first clamping groove (7) provided inside the first pipe (1). A second clamping groove (9) is provided inside the connecting pipe (3), one end surface of the connecting pipe (3) is connected to a second pipe (10), the outer surface of one end of the second pipe (10) is connected to a first connecting block (11), one end of the first connecting block (11) extends into the slot (12), the slot (12) is provided on one end surface of the second connecting block (13), the second connecting block (13) is arranged on the outer surface of one end of the first pipe (1), a bolt (14) is passed through the outer surface of the second connecting block (13), one end of the bolt (14) extends into the first connecting block (11), and a protective mechanism is also connected to the outer surface of the second connecting block (13).

2. A leakage-proof connection structure for municipal water supply pipes according to claim 1, characterized in that: The protection mechanism comprises: a first protection block (15), a notch (16), a positioning groove (17), a positioning block (18), a second protection block (19), a clamping block (20) and a third clamping groove (21); the outer surface of the second connection block (13) is connected to the first protection block (15); the inner surface of the first protection block (15) is provided with a notch (16); and the surfaces at both ends of the first protection block (15) are provided with positioning grooves (17); the inner surface of the positioning groove (17) is connected to the positioning block (18); one side surface of the positioning block (18) is connected to the second protection block (19); and the surfaces at both ends of the positioning block (18) are connected to the clamping block (20); one end of the clamping block (20) extends into the third clamping groove (21) provided inside the first protection block (15).

3. The anti-leakage connection structure for municipal water supply pipes according to claim 1, characterized in that: The connecting pipe (3) is slidably connected to the first pipe (1) via the connecting groove (2), and the connecting pipe (3) is threadedly connected to the thread groove (5) via the surface thread (4).

4. The anti-leakage connection structure for municipal water supply pipes according to claim 1, characterized in that: The size and position of the first sealing ring (6) match the size and position of the first clamping groove (7), and the size and position of the second sealing ring (8) match the size and position of the second clamping groove (9).

5. The anti-leakage connection structure for municipal water supply pipes according to claim 1, characterized in that: The first connection block (11) is slidably connected to the second connection block (13) via the slot (12), and the bolt (14) is threadedly connected to the first connection block (11) by penetrating the second connection block (13).

6. A leakage-proof connection structure for municipal water supply pipes according to claim 2, characterized in that: The size and position of the notch (16) match the size and position of the bolt (14); the positioning block (18) is slidably connected to the first protection block (15) via the positioning slot (17); and the clamping block (20) is clamped to the first protection block (15) via the third clamping slot (21).

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