Municipal water supply and drainage pipe connection structure

Abstract

The present application relates to a municipal water supply and drainage pipeline connection structure, which includes a first sleeve, a second sleeve and a connecting sleeve, one end of the connecting sleeve is connected to the first sleeve, and the other end is connected to the second sleeve; it also includes a first pipe and a second pipe, the first pipe is plugged into the first sleeve, a protrusion is arranged on the first pipe, the inner wall of the first sleeve is provided with a groove for the protrusion to slide, the inner wall of the first sleeve is provided with an annular groove, the annular groove is connected to the end of the groove away from the first pipe, and the annular groove is provided for the protrusion to slide; it also includes a locking mechanism, the locking mechanism includes an upper clamping block, a lower clamping block and a rotating shaft, the upper clamping block and the lower clamping block are both rotatably connected to the rotating shaft, the ends of the upper clamping block and the lower clamping block away from the rotating shaft are fixed by bolts, and the upper clamping block and the lower clamping block clamp the connection between the first sleeve and the first pipe. The present application has the effect of stable connection between small diameter pipes and connection structures, and the connection of the pipes is not easy to leak or detach.

Description

Technical Field

[0001] The present application relates to the field of municipal engineering technology, and in particular to a municipal water supply and drainage pipe connection structure. Background Art

[0002] The urban drainage system is an engineering facility system for treating and removing urban sewage and rainwater, and is a component of urban public facilities. The urban drainage system planning is a component of the city's overall planning. The urban drainage system is usually composed of drainage pipes and sewage treatment plants. In the case of sewage and rainwater diversion, sewage is collected by drainage pipes, sent to sewage treatment, and then discharged into water bodies or recycled; rainwater runoff is collected by drainage pipes and discharged into nearby water bodies.

[0003] The Chinese utility model patent with announcement number CN215488303U discloses a variable diameter pipe connection structure, including a connecting pipe 1 and a connecting pipe 2, a conical transition pipe is arranged at one end of the connecting pipe 2, the diameter of the connecting pipe 2 is smaller than the diameter of the connecting pipe 1, a through hole for inserting the transition pipe into the connecting pipe 1 is arranged at the end of the connecting pipe 1 close to the connecting pipe 2, and the transition pipe is sealed and slidably connected with the connecting pipe 1 through a slip ring arranged at the end; the other end of the connecting pipe 1 is sleeved on the outside of the pipe 1, a sealing structure is arranged on the inner wall of the connecting pipe 1, and the connecting pipe 1 and the pipe 1 are locked and connected by a clamp; a locking cap is sleeved on the outside of the connecting pipe 2, and a limiting plate with a limiting effect on the locking cap is arranged on the connecting pipe 2, and the connecting pipe 2 is threadedly connected with the pipe 2 through the locking cap.

[0004] In actual use of the above structure, when the fluid flows from connecting pipe one into connecting pipe two, the diameter of the water flow channel decreases, the water flow speed increases, and the impact force becomes greater, which can easily make the connection between the small diameter pipe and the connecting structure unstable, causing water leakage at the connection of the pipe, and even causing the pipe to detach from the connecting structure. Utility Model Content

[0005] In order to stabilize the connection between a small diameter pipe and a connection structure, the present application provides a municipal water supply and drainage pipe connection structure.

[0006] The present application provides a municipal water supply and drainage pipe connection structure, which adopts the following technical solution:

[0007] A municipal water supply and drainage pipe connection structure, comprising a first sleeve, a second sleeve and a connecting sleeve, wherein one end of the connecting sleeve is connected to the first sleeve and the other end is connected to the second sleeve, and the diameter of the first sleeve is smaller than the diameter of the second sleeve; further comprising a first pipe and a second pipe, wherein the first pipe is arranged on the first sleeve, a protrusion is arranged on the first pipe, a groove for the protrusion to slide is provided on the inner wall of the first sleeve, an annular groove is provided on the inner wall of the first sleeve, the annular groove communicates with the end of the groove away from the first pipe, the annular groove is provided for the protrusion to slide, the second pipe is arranged on the second sleeve, a first waterproof gasket is arranged in the annular groove, the first waterproof gasket is closely attached to the side wall of the annular groove away from the first pipe, and the inner annular wall of the first waterproof gasket seals against the first pipe;

[0008] The clamping mechanism further comprises an upper clamping block, a lower clamping block and a rotating shaft, wherein the upper clamping block and the lower clamping block are both rotatably connected to the rotating shaft, and the upper clamping block and the lower clamping block move away from or approach each other after rotation, and a clamping cavity for accommodating the first sleeve and the first pipe is provided between the upper clamping block and the lower clamping block, and the ends of the upper clamping block and the lower clamping block away from the rotating shaft are fixed by bolts, and the upper clamping block and the lower clamping block clamp the connection between the first sleeve and the first pipe, and the upper clamping block and the lower clamping block clamp the outer wall of the first sleeve and the first pipe.

[0009] By adopting the above technical solution, after the protrusion on the first pipe is positioned in the groove, the first pipe is rotated to make the protrusion enter the annular groove, so that the first pipe and the first sleeve are not easily separated, and the first waterproof gasket prevents water from flowing out of the first pipe, thereby improving the sealing effect. The locking mechanism further fixes the first pipe and the first sleeve, so that the connection between the small diameter pipe and the connecting structure is stable, while reducing the risk of leakage or separation at the connection of the pipe.

[0010] Optionally, a plurality of protrusions are provided on the first pipe, and the plurality of protrusions are arranged along the circumferential outer wall of the first pipe. A plurality of grooves are provided, and the protrusions correspond to the grooves one by one. The plurality of protrusions press against the side of the first waterproof gasket close to the first pipe.

[0011] By adopting the above technical solution, the first waterproof gasket is made of elastic rubber or elastic plastic material, and a plurality of protrusions squeeze the first waterproof gasket, so that the first waterproof gasket is further pressed against the outer wall of the first pipe after deformation, thereby improving the sealing performance of the waterproof gasket.

[0012] Optionally, a second waterproof gasket is provided in the clamping cavity, and an abutment wall for the first sleeve to abut is provided in the clamping cavity, and the end surface of the first sleeve close to the first pipe drives the second waterproof gasket to abut against the abutment wall.

[0013] By adopting the above technical solution, the second waterproof gasket further prevents water leakage and prevents water leakage at the connection between the first pipe and the first sleeve.

[0014] Optionally, a throttle valve is provided at one end of the second sleeve away from the connecting sleeve, and threads are provided at the ends of the second sleeve and the second pipe close to each other. The second sleeve is threadedly connected to the water outlet end of the throttle valve, and the second pipe is threadedly connected to the water inlet end of the throttle valve.

[0015] By adopting the above technical solution, the throttle valve can control the flow rate of water in a large-diameter pipeline and reduce the impact of the water flow on the connection structure.

[0016] Optionally, two bolts are provided at the end of the upper clamping block away from the rotating shaft, and the two bolts are arranged in parallel. A threaded hole for the bolts to pass through is opened at the end of the lower clamping block away from the rotating shaft, and the two bolts are threadedly connected to the threaded holes.

[0017] By adopting the above technical solution, the two bolts enable the locking structure to firmly fix the first pipe and the first sleeve to prevent the connection structure from detaching.

[0018] Optionally, a water level gauge is provided on the throttle valve.

[0019] By adopting the above technical solution, the pipeline connection structure is used horizontally, and the water level meter monitors the water level in the water pipe. The staff adjusts the throttle valve according to the water level to control the water flow.

[0020] Optionally, the first pipe is inserted into the first sleeve, and an inclined surface is provided at one end of the first pipe close to the first sleeve, the inclined surface is close to the connecting sleeve, and the inclined surface is inclined along the inner wall of the first pipe towards the inner wall of the first sleeve.

[0021] By adopting the above technical solution, when the first pipe is installed in the sleeve, the inclined surface of the first pipe guides the water flow from the first sleeve into the first pipe, so that the water flow can flow more smoothly, reducing the water pressure on the first pipe and making the connection between the first pipe and the first sleeve stable.

[0022] Optionally, it also includes a tensioning assembly, which includes at least two tensioning arms and a tensioning body, the tensioning body is arranged on the outer wall of the first sleeve through a tensioning bolt, one end of the tensioning arm is arranged on the tensioning body, and the other end is sleeved on the upper clamping block and the lower clamping block, and the tensioning arm drives the locking mechanism to press against the second waterproof gasket.

[0023] By adopting the above technical solution, the tensioning body is firmly fixed in the first sleeve, the tensioning arm tightens the locking mechanism to prevent the locking mechanism from slipping, and at the same time squeezes the second waterproof gasket to prevent water leakage.

[0024] In summary, the present application includes at least one of the following beneficial technical effects:

[0025] 1. When installing the pipe connection structure, the installer directly aligns the protrusion on the first pipe with the groove. After the protrusion enters the groove, the first pipe is rotated so that the protrusion is clamped in the ring groove. The locking mechanism is firmly fixed in the first pipe and the first sleeve, so that the connection between the small diameter pipe and the connection structure is stable, preventing water leakage at the connection of the pipe and the separation of the pipe from the connection structure;

[0026] 2. Several grooves can better press against the first waterproof gasket and improve the waterproof performance;

[0027] 3. The throttle valve can effectively control the water flow and prevent the connection structure from being detached due to excessive water flow. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of the municipal water supply and drainage pipe connection structure of the embodiment.

[0029] Figure 2 yes Figure 1 Section view along AA.

[0030] Figure 3 yes Figure 2 A partial enlarged view of point B.

[0031] Explanation of the reference numerals: 1. first sleeve; 2. second sleeve; 3. connecting sleeve; 4. first pipe; 41. inclined plane; 5. second pipe; 61. protrusion; 62. groove; 63. annular groove; 64. first waterproof gasket; 7. locking mechanism; 71. upper clamping block; 72. lower clamping block; 73. rotating shaft; 74. clamping chamber; 75. second waterproof gasket; 76. bolt; 77. threaded hole; 78. abutting wall; 8. throttle valve; 81. water level gauge; 9. tensioning assembly; 91. tensioning arm; 92. tensioning body. DETAILED DESCRIPTION

[0032] The present application is further described in detail below with reference to the accompanying drawings and embodiments.

[0033] The embodiment of the present application discloses a municipal water supply and drainage pipe connection structure. Figure 1 The municipal water supply and drainage pipe connection structure includes a first sleeve 1, a second sleeve 2 and a connecting sleeve 3. The inner diameter of the connecting sleeve 3 gradually increases from one end to the other end, the end of the connecting sleeve 3 with a smaller inner diameter is connected to the first sleeve 1, and the other end is connected to the second sleeve 2. The first sleeve 1, the connecting sleeve 3 and the second sleeve 2 are integrally injection molded, and the diameter of the first sleeve 1 is smaller than the diameter of the second sleeve 2.

[0034] Reference Figure 1 , Figure 2 , Figure 3 The municipal water supply and drainage pipe connection structure includes a first pipe 4 and a second pipe 5. The first pipe 4 is connected to the first sleeve 1, and the second pipe 5 is connected to the second sleeve 2. A plurality of protrusions 61 are fixed on the first pipe 4, and the plurality of protrusions 61 are evenly arranged along the circumferential outer wall of the first pipe 4. A plurality of grooves 62 are provided, and the protrusions 61 correspond to the grooves 62 one by one. When the end of the first pipe 4 is inserted into the first sleeve 1, the protrusions 61 are located in the grooves 62.

[0035] Reference Figure 1 , Figure 2 , Figure 3 The inner wall of the first sleeve 1 is provided with an annular groove 63, which is connected to the groove bottom of the end of the groove 62 away from the first pipe 4, and the annular groove 63 allows the protrusion 61 to slide. The first waterproof gasket 64 is sleeved in the annular groove 63, and the first waterproof gasket 64 is close to the side wall of the annular groove 63 away from the first pipe 4. The first waterproof gasket 64 is close to the outer wall of the first pipe 4 to form a seal, and a plurality of protrusions 61 evenly abut the side wall of the first waterproof gasket 64 close to the first pipe 4. The end of the first pipe 4 close to the first sleeve 1 is provided with an inclined surface 41, which is close to the connecting sleeve 3, and the inclined surface 41 is inclined along the inner wall of the first pipe 4 toward the inner wall of the first sleeve 1.

[0036] Reference Figure 1 , Figure 2 , Figure 3 The municipal water supply and drainage pipe connection structure also includes a locking mechanism 7, which includes an upper clamping block 71, a lower clamping block 72 and a rotating shaft 73. The upper clamping block 71 and the lower clamping block 72 are both rotatably connected to the rotating shaft. After the upper clamping block 71 and the lower clamping block 72 rotate, they move away from or approach each other. A clamping cavity 74 for accommodating the first sleeve 1 and the first pipe 4 is provided between the upper clamping block 71 and the lower clamping block 72. A second waterproof gasket 75 is sleeved in the clamping cavity 74. An abutting wall 78 for the first sleeve 1 to abut against the end face of the first pipe 4 is fixed in the clamping cavity 74. The end face of the first sleeve 1 close to the first pipe 4 drives the second waterproof gasket 75 to abut against the abutting wall 78. Two bolts 76 are fixed to the end of the upper clamping block 71 away from the rotating shaft 73. The two bolts 76 are arranged in parallel, one bolt 76 corresponds to the first sleeve 1, and the other bolt 76 corresponds to the first pipe 4. A threaded hole 77 for the bolt 76 to pass through is opened at the end of the lower clamping block 72 away from the rotating shaft 73. The two bolts 76 are threadedly connected to the threaded hole 77. The ends of the upper clamping block 71 and the lower clamping block 72 away from the rotating shaft 73 are threadedly connected in the threaded hole 77 by the bolts 76 to form a fixation.

[0037] Reference Figure 1 , Figure 2 , Figure 3A throttle valve 8 is fixed to one end of the second sleeve 2 away from the connecting sleeve 3, and a water level gauge 81 is fixed on the throttle valve 8. The water level gauge 81 detects the water level in the second pipe 5. The ends of the second sleeve 2 and the second pipe 5 close to each other are fixed with threaded wires. The second sleeve 2 is threadedly connected to the water outlet end of the throttle valve 8, and the second pipe 5 is threadedly connected to the water inlet end of the throttle valve 8.

[0038] Reference Figure 1 , Figure 2 , Figure 3 The municipal water supply and drainage pipe connection structure also includes a tensioning assembly 9, which includes a tensioning arm 91 and a tensioning body 92. The tensioning body 92 is fixed to the outer wall of the first sleeve 1 by a tensioning bolt 76. One end of the tensioning arm 91 is set on the tensioning body 92, and the other end is sleeved on the upper clamping block 71 and the lower clamping block 72. The tensioning arm 91 drives the locking mechanism 7 to press against the second waterproof gasket 75.

[0039] The implementation principle of a municipal water supply and drainage pipe connection structure in an embodiment of the present application is as follows: a first pipe 4 is positioned and installed in a first sleeve 1 by a protrusion 61, a locking mechanism 7 securely mounts the first pipe 4 and the first sleeve 1, a first waterproof gasket 64 and a second waterproof gasket 75 improve the waterproof capability of the connection structure, a tensioning mechanism prevents the locking mechanism 7 from detaching, and a throttle valve 8 on the second sleeve 2 can better control the size of the water flow according to a water level gauge 81, thereby stabilizing the connection between the small diameter pipe and the connection structure and reducing the risk of leakage or detachment at the connection of the pipe.

[0040] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A municipal water supply and drainage pipe connection structure, comprising a first sleeve (1), a second sleeve (2) and a connecting sleeve (3), characterized in that: The connecting sleeve (3) has one end connected to the first sleeve (1) and the other end connected to the second sleeve (2); the diameter of the first sleeve (1) is smaller than the diameter of the second sleeve (2); and further comprises a first pipe (4) and a second pipe (5); the first pipe (4) is arranged on the first sleeve (1); a protrusion (61) is arranged on the first pipe (4); a groove (62) for the protrusion (61) to slide is formed on the inner wall of the first sleeve (1); the first sleeve (1) An annular groove (63) is provided on the inner wall, the annular groove (63) is connected to the end of the groove (62) away from the first pipe (4), the annular groove (63) allows the protrusion (61) to slide, the second pipe (5) is arranged on the second sleeve (2), a first waterproof gasket (64) is arranged in the annular groove (63), the first waterproof gasket (64) is closely attached to the side wall of the annular groove (63) away from the first pipe (4), and the inner annular wall of the first waterproof gasket (64) is sealed against the first pipe (4); The invention also comprises a locking mechanism (7), wherein the locking mechanism (7) comprises an upper clamping block (71), a lower clamping block (72) and a rotating shaft (73); the upper clamping block (71) and the lower clamping block (72) are both rotatably connected to the rotating shaft; the upper clamping block (71) and the lower clamping block (72) move away from or approach each other after rotation; a clamping cavity (74) for accommodating the first sleeve (1) and the first pipe (4) is provided between the upper clamping block (71) and the lower clamping block (72); the ends of the upper clamping block (71) and the lower clamping block (72) away from the rotating shaft (73) are fixed by bolts (76); the upper clamping block (71) and the lower clamping block (72) clamp the connection between the first sleeve (1) and the first pipe (4); and the upper clamping block (71) and the lower clamping block (72) clamp the outer walls of the first sleeve (1) and the first pipe (4).

2. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: The first pipe (4) is provided with a plurality of protrusions (61), which are arranged along the circumferential outer wall of the first pipe (4), a plurality of grooves (62) are provided, the protrusions (61) correspond to the grooves (62) one by one, and the plurality of protrusions (61) are pressed against the side surface of the first waterproof gasket (64) close to the first pipe (4).

3. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: A second waterproof gasket (75) is arranged in the clamping cavity (74), and an abutment wall (78) for the first sleeve (1) to abut is arranged in the clamping cavity (74); the end surface of the first sleeve (1) close to the first pipe (4) drives the second waterproof gasket (75) to abut against the abutment wall (78).

4. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: A throttle valve (8) is provided at one end of the second sleeve (2) away from the connecting sleeve (3); threads are provided at the ends of the second sleeve (2) and the second pipe (5) close to each other; the second sleeve (2) is threadedly connected to the water outlet end of the throttle valve (8), and the second pipe (5) is threadedly connected to the water inlet end of the throttle valve (8).

5. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: The end of the upper clamping block (71) away from the rotating shaft (73) is provided with two bolts (76), and the two bolts (76) are arranged in parallel. The end of the lower clamping block (72) away from the rotating shaft (73) is provided with a threaded hole (77) for the bolts (76) to pass through, and the two bolts (76) are threadedly connected to the threaded hole (77).

6. The municipal water supply and drainage pipe connection structure according to claim 4, characterized in that: The throttle valve (8) is provided with a water level gauge (81).

7. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: The first pipe (4) is inserted into the first sleeve (1); an inclined surface (41) is provided at one end of the first pipe (4) close to the first sleeve (1); the inclined surface (41) faces towards the connecting sleeve (3); and the inclined surface (41) is inclined along the inner wall of the first pipe (4) towards the inner wall of the first sleeve (1).

8. The municipal water supply and drainage pipe connection structure according to claim 1, characterized in that: It also includes a tensioning assembly (9), the tensioning assembly (9) includes at least two tensioning arms (91) and a tensioning body (92), the tensioning body (92) is arranged on the outer wall of the first sleeve (1) through a tensioning bolt (76), one end of the tensioning arm (91) is arranged on the tensioning body (92), and the other end is sleeved on the upper clamping block (71) and the lower clamping block (72), and the tensioning arm (91) drives the locking mechanism (7) to press against the second waterproof gasket (75).

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