Water supply and drainage pipe protection device and water supply and drainage pipeline

Abstract

The utility model provides a water supply and drainage pipe protection device and a water supply and drainage pipeline. The water supply and drainage pipe protection device comprises a sleeve, an inner insertion pipe, inner rings and an outer lantern ring, the two ends of the inner insertion pipe are an end A and an end B respectively, the end A is located in the sleeve and connected with the inner wall of the sleeve through the inner rings, the end B extends out of the sleeve, the outer lantern ring is arranged outside the end B in a sleeving mode, the inner rings are conical rings with one large conical ring and one small conical ring, and the inner rings are conical rings with the other small conical ring. And the small end of the conical ring is connected with the A end. According to the utility model, the conical inner ring is designed in the sleeve, the conical side wall of the inner ring can be used for buffering the impact force generated when the fluid rapidly flows, and then the fluid is introduced into the inner insertion pipe, so that the impact of the fluid on the end part of the pipeline body is prevented, and the water supply and drainage pipeline is prevented from being influenced by a water hammer effect.

Description

Technical Field

[0001] The utility model relates to the technical field of water supply and drainage pipelines, in particular to a water supply and drainage pipe protection device and a water supply and drainage pipeline. Background Art

[0002] In building water supply and drainage projects, water supply and drainage pipes are usually pipe systems used to transport and distribute fluids such as water and sewage. These pipes can exist in different environments and application scenarios. The discharged sewage contains impurities. In order to prevent the water supply and drainage pipes from being contaminated by sewage, a filter is generally installed at one end of the pipe body to filter out dirty impurities and achieve pollution protection.

[0003] However, water hammer effect will occur when the water supply and drainage pipes are opened. Currently, only relying on filter nets to slow down the impact of water flow can no longer achieve the optimal effect of pollution prevention and protection. Utility Model Content

[0004] The utility model aims to provide a water supply and drainage pipe protection device and a water supply and drainage pipe which can solve the problem of being affected by the water hammer effect.

[0005] The technical solution of the utility model is: a water supply and drainage pipe protection device, comprising a sleeve, an inner insert pipe, an inner ring and an outer ring, the two ends of the inner insert pipe are respectively an A end and a B end, the A end is located in the sleeve and is connected to the inner wall of the sleeve through the inner ring, the B end extends out of the sleeve, the outer ring is sleeved on the outside of the B end, the inner ring is a large and a small conical ring, and the small head end of the conical ring is connected to the A end.

[0006] In the above scheme, a conical inner ring is designed inside the casing. The conical side wall of the inner ring can buffer the impact force generated by the rapid flow of the fluid, and then the fluid is introduced into the inner tube to prevent the fluid from impacting the end of the pipe body, thereby avoiding the water hammer effect on the water supply and drainage pipes.

[0007] Preferably, a plurality of ribs are circumferentially arranged on the inner wall surface of the inner ring, and the ribs extend along the length direction of the inner wall surface of the inner ring.

[0008] Preferably, the rib is in the shape of a triangle, and the vertex of the triangle is arranged away from the A end.

[0009] Preferably, a hollow bracket, a first filter screen and a second filter screen are provided inside the sleeve, the first filter screen is arranged close to the A end, the second filter screen is arranged close to the B end, the bracket is fixed between the A end and the B end, a connecting rod is provided at the center of the bracket, a threaded rod is provided at the center of the second filter screen, and the threaded rod is threadedly connected to the connecting rod.

[0010] Preferably, the filter mesh openings of the first filter net are larger than the filter mesh openings of the second filter net.

[0011] Preferably, a flange is provided on one side of the outer sleeve close to the A end, and the outer diameter of the flange is equal to the inner diameter of the sleeve.

[0012] Preferably, at least one gasket is sleeved on the outside of the B end.

[0013] Preferably, both ends of the sleeve are provided with a first flange.

[0014] Preferably, the inner tube, sleeve and inner ring are coaxially arranged.

[0015] The utility model also provides a water supply and drainage pipeline, comprising a pipeline body and the above-mentioned water supply and drainage pipe protection device connected to one end of the pipeline body.

[0016] Compared with the related art, the beneficial effects of the utility model are:

[0017] 1. The water supply and drainage pipe protection device is designed with a conical inner ring in the casing. The conical side wall of the inner ring can buffer the impact force generated by the rapid flow of the fluid, and then introduce the fluid into the inner insert pipe to prevent the fluid from impacting the end of the pipe body, thereby preventing the water supply and drainage pipe from being affected by the water hammer effect;

[0018] Second, the water supply and drainage pipe protection device has a plurality of ribs arranged in a circumferential manner on the inner wall of the inner ring, and the ribs extend along the length direction of the inner wall surface of the inner ring (that is, along the water flow direction). The ribs can not only strengthen the inner ring and improve the impact ability of the inner ring on the fluid, but also separate the mainstream into several relatively small branches and vortices that enter the inner insert pipe, thereby achieving the effect of energy dissipation and reducing the impact force on the water supply and drainage pipe;

[0019] 3. The water supply and drainage pipe protection device is respectively provided with two filter screens, which also have the function of preventing pollution and protection, and will not be subjected to excessive water flow impact and is not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of the structure of the water supply and drainage pipeline provided by the utility model;

[0021] Figure 2 A schematic diagram of the internal connection structure of the water supply and drainage pipe provided by the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the water supply and drainage pipe protection device provided by the utility model.

[0023] In the attached drawings: 1. pipe body; 10. second flange; 2. sleeve; 21. first flange; 3. water supply and drainage pipe protection device; 4. inner insert; 5. inner ring; 6. ribs; 7. outer ring; 71. flange; 8. gasket; 9. retaining ring; 10. second flange; 11. first filter; 12. bracket; 121. water hole; 13. connecting rod; 14. second filter; 15. threaded rod. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments. It should be noted that the embodiments and features in the embodiments of the present invention can be combined with each other without conflict. For the convenience of description, if the words "upper", "lower", "left" and "right" appear in the following text, they only indicate that the upper, lower, left and right directions are consistent with the drawings themselves, and do not limit the structure.

[0025] like Figure 1 As shown, a water supply and drainage pipe provided in this embodiment includes a pipe body 1 and a water supply and drainage pipe protection device 3 connected to one end of the pipe body 1.

[0026] like Figure 2 , Figure 3 As shown, the water supply and drainage pipe protection device 3 includes a sleeve 2, an inner insert pipe 4, an inner ring 5, an outer ring 7, a gasket 8, a first filter screen 11, a bracket 12, a connecting rod 13, a second filter screen 14 and a threaded rod 15.

[0027] The first flanges 21 are provided at both ends of the sleeve 2, and the sleeve 2 and the pipe body 1 have the same inner diameter and outer diameter. A second flange 10 is provided at one end of the pipe body 1. The first flange 21 at one end of the sleeve 2 is connected to the second flange 10 by a plurality of bolts, and the first flange 21 at the other end of the sleeve 2 is connected to the water inlet pipeline.

[0028] The two ends of the inner insert tube 4 are end A and end B, respectively. End A is located in the sleeve 2 and connected to the inner wall of the sleeve 2 through the inner ring 5, and end B extends out of the sleeve 2. The inner ring 5 is a large and a small conical ring, and the small end of the conical ring is connected to end A. A plurality of ribs 6 are arranged in a circumferential manner on the inner wall surface of the inner ring 5. The ribs 6 are triangular, and the apex of the triangle is arranged away from end A. The ribs 6 extend along the length direction of the inner wall surface of the inner ring 5.

[0029] The outer sleeve 7 is sleeved on the outside of the B end. A flange 71 is provided on the side of the outer sleeve 7 close to the A end, and the outer diameter of the flange 71 is equal to the inner diameter of the sleeve 2. That is, the flange 71 contacts the inner wall of the pipe body 1. Two gaskets 8 are sleeved on the outer sleeve 7. A retaining ring 9 is provided on the side of the gasket 8 away from the flange 71, and the retaining ring 9 is fixed to the inner wall of the pipe body 1 (the two can be integrally formed). The axial position of the gasket 8 is fixed by the retaining ring 9 and the flange 71. First, the gasket 8 is installed on the outer sleeve 7, and then the B end of the inner tube 4 of the water supply and drainage pipe protection device 3 is inserted into the pipe body 1, so that the other side of the gasket 8 abuts against the retaining ring 9, and the outer surface of the gasket 8 contacts the inner wall surface of the pipe body 1. The gasket 8 can deal with the problem that the gap between the pipe body 1 and the inner tube 4 cannot be sealed.

[0030] The sleeve 2 is provided with a hollow bracket 12, a first filter screen 11 and a second filter screen 14 inside. The first filter screen 11 is arranged near the A end, and the second filter screen 14 is arranged near the B end. The bracket 12 is fixed between the A end and the B end. A connecting rod 13 is arranged at the center of the bracket 12, and a threaded rod 15 is arranged at the center of the second filter screen 14. The threaded rod 15 is threadedly connected with the connecting rod 13. The filter mesh of the first filter screen 11 is larger than the filter mesh of the second filter screen 14. That is, the mesh number of the first filter screen 11 is smaller than the mesh number of the second filter screen 14. Large particles of impurities are first filtered through the first filter screen 11, and fine impurities are then filtered through the second filter screen 14. By screwing the threaded rod 15, the second filter screen 14 can be disassembled and cleaned.

[0031] like Figure 3 As shown, the support 12 is a disc, and a plurality of water holes 121 are provided on the disc to form a hollow structure. The support 12 is fixedly connected to the inner insert tube 4.

[0032] When in use, an underground pit is excavated, and the water supply and drainage pipe protection device 3 is installed at one end of the pipe body 1, and the other end of the water supply and drainage pipe protection device 3 is connected to the water inlet pipe. Then the water supply and drainage pipe is placed in the underground pit and buried. When the switch on the water inlet pipe is turned on, the discharged fluid will enter the pipe body 1 from the casing 2 and be discharged to the river or sewage collection point.

[0033] When the instantaneously discharged fluid quickly enters the sleeve 2, the impact force of the fluid is buffered and filtered under the action of the ribs 6, the conical surface of the inner ring 5, the first filter screen 11, the water holes 121 and the second filter screen 14. Finally, the filtered fluid enters the pipeline body 1, avoiding the fluid from directly impacting the inside of the pipeline body 1, thereby achieving a good anti-pollution protection effect.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A water supply and drainage pipe protection device, It is characterized in that The invention comprises a sleeve (2), an inner insert tube (4), an inner ring (5) and an outer ring (7), wherein the two ends of the inner insert tube (4) are respectively an A end and a B end, wherein the A end is located in the sleeve (2) and is connected to the inner wall of the sleeve (2) through the inner ring (5), and the B end extends out of the sleeve (2), and the outer ring (7) is sleeved on the outside of the B end, and the inner ring (5) is a conical ring with one large and one small, and the small end of the conical ring is connected to the A end.

2. The water supply and drainage pipe protection device according to claim 1, It is characterized in that A plurality of ribs (6) are arranged in a circumferential manner on the inner wall surface of the inner ring (5), and the ribs (6) extend along the length direction of the inner wall surface of the inner ring (5).

3. The water supply and drainage pipe protection device according to claim 2, It is characterized in that The rib (6) is in the shape of a triangle, with the vertex of the triangle being arranged away from the A end.

4. The water supply and drainage pipe protection device according to claim 1, It is characterized in that A hollow bracket (12), a first filter screen (11) and a second filter screen (14) are provided inside the sleeve (2); the first filter screen (11) is provided close to the A end, the second filter screen (14) is provided close to the B end, the bracket (12) is fixed between the A end and the B end, a connecting rod (13) is provided at the center of the bracket (12), a threaded rod (15) is provided at the center of the second filter screen (14), and the threaded rod (15) is threadedly connected to the connecting rod (13).

5. The water supply and drainage pipe protection device according to claim 4, It is characterized in that The filter mesh holes of the first filter screen (11) are larger than the filter mesh holes of the second filter screen (14).

6. The water supply and drainage pipe protection device according to claim 1, It is characterized in that A flange (71) is provided on one side of the outer ring (7) close to the A end, and the outer diameter of the flange (71) is equal to the inner diameter of the sleeve (2).

7. The water supply and drainage pipe protection device according to claim 1, It is characterized in that At least one gasket (8) is sleeved on the outside of the B end.

8. The water supply and drainage pipe protection device according to claim 1, It is characterized in that Both ends of the sleeve (2) are provided with a first flange (21).

9. The water supply and drainage pipe protection device according to claim 1, It is characterized in that The inner insert tube (4), the sleeve (2) and the inner ring (5) are coaxially arranged.

10. A water supply and drainage pipeline, comprising a pipeline body (1), It is characterized in that It also includes a water supply and drainage pipe protection device as described in any one of claims 1 to 9 connected to one end of the pipe body (1).

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