CN214995339U

CN214995339U - Pressure-resistant energy dissipation rainwater drainage system

Info

Publication number: CN214995339U
Application number: CN202120460186.4U
Authority: CN
Inventors: 陈宏�; 廖欢; 冯济斌
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-12-03
Anticipated expiration: 2031-03-03

Abstract

The utility model belongs to the technical field of the pipeline drainage and specifically relates to a withstand voltage energy dissipation rainwater drainage system. Withstand voltage energy dissipation rainwater drainage system, including the drain pipe, rainwater collection device, energy dissipator, breather, rainwater collection device sets up in the drain pipe upper end, energy dissipator, breather is vertical to be set up in the drain pipe middle part, energy dissipator includes the body and is located the hemispherical guide plate of body middle part top, breather is equipped with link and lower link, lower link is including being the shell, the inner shell and being located the shell, a plurality of fixed blocks between the inner shell, the below at the middle part of fixed block is equipped with the fixed slot that is used for connecting the drain pipe. The energy dissipation device is matched with the air interchanger, so that the influence on the flow speed is small when the water flow carries out energy dissipation, the rainwater energy dissipation is carried out while the drainage efficiency is not influenced, the air pressure stability is ensured, and the system is protected.

Description

Pressure-resistant energy dissipation rainwater drainage system

Technical Field

The utility model belongs to the technical field of the pipeline drainage and specifically relates to a withstand voltage energy dissipation rainwater drainage system.

Background

Some characteristics of the drainage system for rainwater pipelines, particularly those used as high-rise rainwater pipelines, are different from those of general drainage pipes in requirements. In general, rainwater pipeline systems have some problems that have not been considered after a period of use, such as gravity flow in normal conditions and pressure flow in special conditions. Two problems often appear in high-rise building drainage and can lead to pipe-line system to appear destroying the risk, and one is high-speed impact, and rivers are along pipeline downflow time, and the velocity of flow can constantly improve, can constantly strengthen to pipe-line system's impact, causes the condition that tubular product or pipe fitting burst. Secondly, negative pressure suction, when the water flow at the high position falls down, the pipeline can be plugged, the form of the pipeline is equivalent to a 'piston', and the falling process of the pipeline can cause great negative pressure, so that the pipeline is stressed, and the phenomenon of 'sucking flat' is caused.

Please refer to fig. 1, chinese utility model patent with application number CN201822090615.4 discloses an energy dissipation structure of siphon roof rainwater drainage system, which is characterized in that: the roof-mounted rainwater drainage device comprises a plurality of pressure flow rainwater hoppers (1) arranged on the roof of a roof, wherein the lower ends of the pressure flow rainwater hoppers (1) are communicated with connecting pipes (2), the connecting pipes (2) are communicated with transverse suspension pipes (3), one ends, far away from the connecting pipes (2), of the suspension pipes (3) are communicated with vertical pipes (4), the vertical pipes (4) are placed along a wall in a fitting manner, and energy dissipation mechanisms (5) are arranged in the vertical pipes (4); the energy dissipation mechanism (5) comprises a U-shaped elbow pipe (51), two ends of the U-shaped elbow pipe (51) are communicated with the vertical pipe (4), the U-shaped elbow pipe (51) is transversely arranged, and a fixing assembly (52) is arranged at the U-shaped elbow pipe (51).

The energy dissipation mechanism of the prior art has a complex structure, is inconvenient to install, lacks a pressure stabilizer, and when water is drained, the flow velocity of water can be greatly reduced through the energy dissipation mechanism, so that the drainage efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can be to the stable withstand voltage energy dissipation rainwater drainage system of velocity of water influence, rainwater energy dissipation, assurance atmospheric pressure.

For reaching above-mentioned advantage, the utility model provides a withstand voltage energy dissipation rainwater discharge system, including drain pipe, rainwater collection device, energy dissipator, breather, rainwater collection device set up in the drain pipe upper end, energy dissipator air breather vertical set up in the drain pipe middle part, energy dissipator includes the body and is located the hemispherical guide plate of body middle part top, breather is equipped with link and lower link, the link includes for shell, inner shell and is located down the shell a plurality of fixed blocks between the inner shell, the below at the middle part of fixed block is equipped with the fixed slot that is used for connecting drain pipe.

In an embodiment of the present invention, the fixing groove and the outer shell and the inner shell have a gap therebetween, respectively.

In an embodiment of the present invention, the diameter of the middle portion of the body is larger than the diameter of the drain pipe, and the two ends of the body are gradually increased toward the middle portion.

In an embodiment of the present invention, the guide plate is connected and fixed with the body through one or more pairs of fixing columns.

In an embodiment of the present invention, the outer diameter of the guide plate is equal to or greater than the inner diameter of the drain pipe.

In an embodiment of the present invention, the rainwater collecting device is connected to the drain pipe through an elbow.

In one embodiment of the present invention, the length of the outer shell is greater than the length of the inner shell.

In one embodiment of the present invention, the inner case has a through hole whose diameter is gradually reduced toward the lower end.

In an embodiment of the present invention, the upper connecting end and the lower connecting end are used for connecting a drain pipe respectively, the end of the drain pipe is fixed in the fixing groove, and the drain pipe maintains a gap between the outer shell and the inner shell respectively.

In one embodiment of the present invention, the diameter of the drain pipe is smaller than the outer shell and larger than the inner shell.

The utility model discloses in, energy dissipater and breather mutually support, when making rivers carry out the energy dissipation, the convection velocity influence is little to carry out the rainwater energy dissipation and guarantee that atmospheric pressure is stable when not influencing drainage efficiency, protected this system.

Drawings

Fig. 1 is a schematic structural view showing an energy dissipation structure of a siphon roof rainwater drainage system in the prior art.

Fig. 2 is a schematic structural view of a pressure-resistant energy-dissipating rainwater drainage system according to a first embodiment of the present invention.

Fig. 3 is a schematic structural view showing an energy dissipater of the pressure-resistant energy-dissipating rainwater drainage system of fig. 2.

Figure 4 shows a cut-away schematic view of the energy dissipater of the pressure resistant energy dissipating rainwater drainage system of figure 3.

Fig. 5 is a schematic structural view of the ventilating device of the pressure-resistant energy-dissipating rainwater drainage system of fig. 2.

Fig. 6 is a sectional view showing the ventilating device of the pressure-resistant energy-dissipating rainwater drainage system of fig. 5.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments in order to provide the best mode, structure, features and effects according to the present invention.

Please refer to fig. 2, the utility model discloses a withstand voltage energy dissipation rainwater drainage system of first embodiment, including drain pipe 1, rainwater collection device 2, energy absorber 3, breather 4, rainwater collection device 2 sets up in drain pipe 1 upper end, and energy absorber 3, breather 4 are vertical to be set up in drain pipe 1 middle part, and rainwater collection device 2 passes through elbow 5 with drain pipe 1 and is connected. The rainwater collection device 2 has a grating.

Referring to fig. 3 and 4, the energy dissipater 3 includes a body 31 and a hemispherical flow guide plate 32 located above the middle of the body 31, and the flow channel is changed by the flow guide plate 32, so as to slow down the flow velocity of rainwater and reduce the potential energy of rainwater. The guide plate 32 and the body 31 are fixedly connected through one or more pairs of fixing columns 33, and the fixing columns 33 enable the guide plate 32 to respectively keep a distance from the upper end of the body 31 and the lower end of the body 31.

The diameter of the middle part of the body 31 is larger than that of the drain pipe 1, and both ends of the body 31 are gradually increased toward the middle part. The guide plate 32 has an outer diameter equal to or greater than the inner diameter of the drain pipe 1 to block direct falling of rainwater.

Referring to fig. 5 and 6, the ventilation device 4 is provided with an upper connection end 41 and a lower connection end 42, the lower connection end 42 includes an outer shell 421, an inner shell 422, and a plurality of fixing blocks 423 located between the outer shell 421 and the inner shell 422, and fixing grooves 424 for connecting the drainage pipe 1 are arranged below the middle portions of the fixing blocks 423. Gaps a are formed between the fixing grooves 424 and the outer and

inner cases

421 and 422, respectively.

The length of the outer shell 421 is greater than the length of the inner shell 422. Rainwater is prevented from flowing into the inner case 422 through the gap a in use. The inner housing 422 has a through hole 425 with a downwardly tapered bore. Collect and flow downward through the through-holes 425. The outer surface of the upper connecting end 41 is provided with a reinforcing rib.

The upper connection end 41 and the lower connection end 42 are respectively connected to a drain pipe 1, the end of the drain pipe 1 is fixed in the fixing groove 424, and a gap is respectively maintained between the drain pipe 1 and the outer shell 421 and the inner shell 422. The diameter of the drain pipe 1 is smaller than the outer shell 421 and larger than the inner shell 422.

In the using process, rainwater is collected through the rainwater collection device 2 and then flows downwards along the drain pipe 1, when the water flow passes through the energy dissipation device 3, the water flow impacts the flow guide plate 32 to flow outwards along the flow guide plate 32, the flow guide plate 32 changes the direction of the water flow, so that the potential energy of the water is reduced, the damage of a water hammer effect is avoided, then the water flow vertically falls along the inner wall of the body 31 or along the lower end of the flow guide plate 32, the larger body 31 enables the water flow to rapidly pass through, and then the water flow flows to the air exchange device 4 through the other section of the drain pipe 1;

the air pressure is changed by water flow, when the air pressure in the pipe is less than the air pressure outside the pipe, air enters through the gap a between the outer sheath and the lower drainage pipe 1, passes through the fixing block 423 and then enters into the lower drainage pipe 1 through the gap a between the lower drainage pipe 1 and the inner shell 422, so that the air is prevented from being sucked flatly, or when the air pressure in the pipe is greater than the air pressure outside the pipe, part of air is discharged through the gap a between the lower drainage pipe 1 and the inner shell 422, passes through the fixing block 423 and then is discharged outside the pipe through the gap a between the outer sheath and the lower drainage pipe 1, so that the air pressure in the system is ensured to be stable.

The utility model discloses in, cushion through energy absorber 3, reduced rivers and to the destruction of drain pipe, avoided the drainage negative pressure to inhale flat risk simultaneously through breather 4, guaranteed that the atmospheric pressure in this system is stable, consequently should prevent that the system has simple structure, easy to assemble, rainwater energy dissipation, prevent inhaling flat, guarantee the stable beneficial effect of atmospheric pressure.

The utility model discloses in, energy absorber 3 mutually supports with breather 4, when making rivers carry out the energy dissipation, the convection velocity influence is little to carry out the rainwater energy dissipation when not influencing drainage efficiency and guarantee that atmospheric pressure is stable, protected this system.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are within the scope of the present invention.

Claims

1. The pressure-resistant energy dissipation rainwater drainage system is characterized by comprising a drainage pipe, a rainwater collection device, an energy dissipation device and a ventilation device, wherein the rainwater collection device is arranged at the upper end of the drainage pipe, the energy dissipation device is vertically arranged in the middle of the drainage pipe, the energy dissipation device comprises a body and a hemispherical flow guide plate positioned above the middle of the body, the ventilation device is provided with an upper connecting end and a lower connecting end, the lower connecting end comprises an outer shell, an inner shell and a plurality of fixing blocks positioned between the outer shell and the inner shell, and a fixing groove used for connecting the drainage pipe is arranged below the middle of each fixing block.

2. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the fixing grooves have gaps with the outer casing and the inner casing, respectively.

3. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the diameter of the middle portion of the body is greater than that of the drain pipe, and both ends of the body are gradually increased toward the middle portion.

4. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the diversion plate is fixedly connected with the body through one or more pairs of fixing columns.

5. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the outer diameter of the deflector is equal to or greater than the inner diameter of the drain pipe.

6. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the rainwater collection device is connected to the drain pipe by an elbow.

7. The pressure-resistant, energy-dissipating rainwater drainage system according to claim 1, wherein the length of the outer casing is greater than the length of the inner casing.

8. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the inner casing has a through hole whose diameter is gradually reduced toward a lower diameter.

9. The pressure-resistant energy-dissipating rainwater drainage system according to claim 1, wherein the upper connection end and the lower connection end are adapted to be connected to drain pipes, respectively, ends of the drain pipes are fixed in the fixing grooves, and the drain pipes maintain gaps with the outer casing and the inner casing, respectively.

10. The pressure-resistant, energy-dissipating rainwater drainage system according to claim 1, wherein the diameter of the drain pipe is smaller than the outer casing and larger than the inner casing.