CN214305869U

CN214305869U - Drainage pipe with noise reduction structure

Info

Publication number: CN214305869U
Application number: CN202022865011.XU
Authority: CN
Inventors: 沈希忠; 高喜梅
Original assignee: Shanghai Institute of Technology
Current assignee: Shanghai Institute of Technology
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-28
Anticipated expiration: 2030-12-03

Abstract

The utility model relates to a drainage pipe with structure of making an uproar falls, including the pipeline main part, drainage pipe is still including a plurality of arcs attached to the pipeline main part inner wall, and the arc is along pipeline main part longitudinal distribution, and the surface of arc is equipped with a plurality of through-holes, and the inside vacuole formation of arc and pipeline main part can further set up the filler in this cavity, and the diameter of this filler is greater than the diameter of through-hole, realizes further falling the noise, can also set up the through-hole of different diameters and mix and arrange, promotes the noise reduction effect once more. Compared with the prior art, the utility model discloses can the absorbed frequency bandwidth, effectively adjust the acoustic absorption coefficient for the noise decibel reaches regulation standard 15 decibels, and does not have costly requirement to the material of arc piece, and the preparation technology is also uncomplicated, has advantages such as with low costs, scheme are simple and easy, the effect is obvious.

Description

Drainage pipe with noise reduction structure

Technical Field

The utility model belongs to the technical field of the drainage pipe technique of making an uproar that falls and specifically relates to a drainage pipe with structure of making an uproar falls.

Background

With the increasing degree of urbanization, more and more people live into the high-rise buildings. The drainage system is an indispensable component for normal operation of a high-rise building, a drainage pipeline arranged in a wall body can generate great water flow sound under the condition of water flow, particularly a sewer pipeline in a residential building seriously influences the normal rest of residents, and brings great trouble to normal life of the residents for people with poor sleep quality. How to effectively reduce or even eliminate the noise of the water flow is a key factor that must be considered by the drainage system.

Currently, measures are taken to eliminate such noise, such as using a sound-deadening material having a sound-deadening effect, using an effect bend, or using various silencers. However, these measures have a cost problem, are difficult to popularize and use, and can achieve an effective noise reduction effect at the lowest cost is a main target to be searched at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drainage pipe that the noise reduction effect is good in order to overcome the defect that above-mentioned prior art exists, and reduce manufacturing cost's the structure of making an uproar falls.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a drainage pipe with structure of making an uproar falls, includes the pipeline main part, drainage pipe is still including adhering to a plurality of arcs of pipeline main part inner wall, the arc is along pipeline main part longitudinal distribution, the surface of arc is equipped with a plurality of through-holes, the arc is formed with the cavity with the inside of pipeline main part.

Further, a filler is arranged in the cavity, and the diameter of the filler is larger than that of the through hole.

Further, the filler is fine sand, and the diameter of the fine sand is within the range of 1.1-1.5 times of the diameter of the through hole.

Further, the inner wall of the pipeline main body is circumferentially distributed with the arc-shaped sheets.

Further, the wall thickness of the arc-shaped sheet is within the range of 0.8-1 times of the wall thickness of the pipeline main body.

Further, the distance between two adjacent through holes is twice of the sum of the radii of the two through holes.

Further, the diameter of the through hole on the surface of the arc-shaped piece is within the range of 1-3 mm.

Further, the diameter of the through hole is a first diameter, a second diameter or a third diameter, the third diameter is larger than the second diameter, the second diameter is larger than the first diameter, the difference between the third diameter and the second diameter is within the range of 0.5-1 mm, and the difference between the second diameter and the first diameter is within the range of 0.5-1 mm.

Further, the through holes on the surface of the arc-shaped sheet are mixed and arranged in any two-to-two combination mode of the through holes with the first diameter, the second diameter and the third diameter.

Furthermore, the through holes on the surface of the arc-shaped sheet are mixed and arranged by combining the through holes with the first diameter, the second diameter and the third diameter.

Compared with the prior art, the utility model has the advantages of it is following:

(1) the utility model discloses utilize the principle of aperture noise elimination, through the arc piece that has the through-hole in the inside attachment of pipeline main part, this structure can the absorbed frequency bandwidth, effectively adjusts the acoustic absorption coefficient, does not have costly requirement to the material of arc piece, and the preparation technology is also uncomplicated, has advantages such as with low costs, the scheme is simple and easy, the effect is obvious.

(2) Furthermore, the cavity on the inner side of the arc-shaped sheet can be filled with filler, so that noise is further reduced, and the noise decibel reaches the specified standard of 15 decibels.

(3) The filler can be fine sand preferably, so that the noise reduction effect is improved, and the cost is low.

(4) The utility model discloses diameter to arc piece surface through-hole and the mode of arranging provide multiple feasible scheme, including the mix of arranging of single kind diameter through-hole, the combination of two kinds of diameter through-holes is arranged and three kinds of diameter through-holes is arranged, and the performance of making an uproar falls can progressively be promoted to these three kinds of modes of arranging.

(5) The material of arc piece can be selected for the material the same with pipeline main part, and the wall thickness equals or slightly less than pipeline main part the wall thickness can, and the scheme is simple and easy, and is with low costs.

Drawings

FIG. 1 is a schematic structural view of a drainage pipeline with a noise reduction structure according to the present invention, in which an arc-shaped piece is partially illustrated;

FIG. 2 is a top view of the drainage pipeline with noise reduction structure of the present invention;

fig. 3 is a schematic structural view of a drainage pipeline provided with a noise reduction structure in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a drainage pipeline provided with a noise reduction structure in embodiment 2 of the present invention;

fig. 5 is a schematic structural view of a drainage pipeline provided with a noise reduction structure in embodiment 3 of the present invention;

in the figure, 1, a pipeline main body, 2, an arc-shaped sheet, 3, a through hole, 31, a through hole with the diameter of 3mm, 32, a through hole with the diameter of 2mm, 33, a through hole with the diameter of 1mm, 4 and a cavity.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

The embodiment provides a drainage pipe with structure of making an uproar falls, including pipeline main body 1, drainage pipe is still including a plurality of arc pieces 2 attached to 1 inner wall of pipeline main body, and arc piece 2 is equipped with a plurality of through-holes 3 along 1 longitudinal distribution of pipeline main body, arc piece 2 and the inside vacuole formation 4 of pipeline main body 1 on the surface. The multiple cavities 4 formed on the inner wall of the pipeline main body 1 realize the noise reduction of the flowing water noise.

In a preferred embodiment, the cavity 4 is filled with a filler having a diameter larger than the diameter of the through hole 3.

Further, as a preferred embodiment, the filler is fine sand, and the diameter of the fine sand particles should be slightly larger than the diameter of the through-hole 3, specifically, the diameter of the fine sand is within a range of 1.1 to 1.5 times of the diameter of the through-hole 3.

As shown in fig. 1 and 2, as a preferred embodiment, the inner wall of the duct main body 1 is circumferentially distributed with arc-shaped pieces 2.

In a preferred embodiment, the arc-shaped pieces 2 are made of the same material as the duct body 1.

In a preferred embodiment, the wall thickness of segment 2 is the same as or slightly smaller than that of main pipe body 1, and specifically, the wall thickness of segment 2 is within 0.8-1 times of that of main pipe body 1.

In a preferred embodiment, the distance between two adjacent through holes 3 is twice the sum of the radii of the two through holes 3.

In a preferred embodiment, the diameter of the through hole 3 on the surface of the arc-shaped piece 2 is within the range of 1-3 mm.

In a preferred embodiment, the diameter of the through hole 3 is a first diameter, a second diameter or a third diameter, the third diameter is larger than the second diameter, the second diameter is larger than the first diameter, the difference between the third diameter and the second diameter is within a range of 0.5-1 mm, and the difference between the second diameter and the first diameter is within a range of 0.5-1 mm.

In this embodiment, the through holes 3 having different diameters include a first through hole 31 having a first diameter of 3mm, a second through hole 32 having a second diameter of 2mm, and a third through hole 33 having a third diameter of 1 mm.

Further, as a preferred embodiment, the plurality of through holes 3 on the surface of the arc-shaped piece 2 are arranged in a mixed manner by combining any two of the through holes 3 with the first diameter, the second diameter and the third diameter.

Further, as a preferred embodiment, the plurality of through holes 3 on the surface of the arc-shaped piece 2 are a mixed arrangement of three combinations of the through holes 3 with the first diameter, the second diameter and the third diameter.

This example provides three specific implementations as follows.

Example 1

Pipeline main part 1 is the PVC pipeline of arbitrary diameter, a plurality of arc piece 2 is adhered to the inner wall, 3 diameters of through-hole are the same on the arc piece 2, be 1mm respectively, 2mm, 3mm, the hole interval is the twice of 3 diameters of through-hole, as shown in figure 3, in the figure, 31 is the through-hole that the diameter is 3mm, pack fine sand in arc piece 2 and the cavity 4 that the pipeline inner wall pressed from both sides, fine sand particle diameter slightly is greater than the aperture diameter, through the test, the rivers noise can be reduced to within the standard decibel.

Example 2

Pipeline main part 1 is the PVC pipeline of arbitrary diameter, inner wall adhesion a plurality of arc piece 2, the 3 diameters of through-hole are arranged for the mixture of two arbitrary diameters on the arc piece 2, be 1mm and 2mm respectively, 1mm and 3mm, 2mm and 3mm, as shown in figure 4, in the figure, 31 is the through-hole that the diameter is 3mm, 32 is the through-hole that the diameter is 2mm, the hole interval is the twice of adjacent through-hole radius sum, pack the fine sand in arc piece 2 and the cavity 4 that the pipeline inner wall pressed from both sides, fine sand particle diameter slightly is greater than the aperture diameter, through the test, the rivers noise can reduce to within the standard decibel.

Example 3

Pipeline main part 1 is the PVC pipeline of arbitrary diameter, a plurality of arc piece 2 is adhered to the inner wall, the aperture diameter is the mixed arrangement of three kinds of diameters on the arc piece 2, in the picture shown in figure 5, 31 is the through-hole that the diameter is 3mm, 32 is the through-hole that the diameter is 2mm, 33 is the through-hole that the diameter is 1mm, the hole interval is the twice of adjacent through-hole radius sum, pack the fine sand in the cavity that arc piece and pipeline inner wall pressed from both sides, fine sand particle diameter slightly is greater than the aperture diameter, through the test, the rivers noise can be reduced to within the standard decibel.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a drainage pipe with structure of making an uproar falls, includes pipeline main body (1), its characterized in that, drainage pipe is still including adhering to a plurality of arc pieces (2) of pipeline main body (1) inner wall, pipeline main body (1) longitudinal distribution is followed in arc piece (2), the surface of arc piece (2) is equipped with a plurality of through-holes (3), arc piece (2) are formed with cavity (4) with the inside of pipeline main body (1).

2. Drainage pipeline with a noise reducing structure according to claim 1, characterized in that the cavity (4) is filled with a filler with a diameter larger than the diameter of the through hole (3).

3. A drainage pipeline provided with a noise reduction structure according to claim 2, wherein the filler is fine sand, and the diameter of the fine sand is within the range of 1.1-1.5 times of the diameter of the through hole (3).

4. Drainage pipeline with a noise reduction structure according to claim 1, wherein the arc-shaped pieces (2) are distributed on the inner wall of the pipeline main body (1) in the circumferential direction.

5. A drainage pipeline provided with a noise reduction structure according to claim 1, wherein the wall thickness of the arc-shaped pieces (2) is within the range of 0.8-1 times of the wall thickness of the pipeline main body (1).

6. A drainage pipeline provided with a noise reduction structure according to claim 1, wherein the distance between two adjacent through holes (3) is twice the sum of the radii of the two through holes (3).

7. A drainpipe with a noise reducing structure according to any of claims 1 to 6, wherein the diameter of the through hole (3) in the surface of the arc-shaped piece (2) is within the range of 1 to 3 mm.

8. A drainage pipeline provided with a noise reduction structure according to claim 7, wherein the diameter of the through hole (3) is a first diameter, a second diameter or a third diameter, the third diameter is larger than the second diameter, the second diameter is larger than the first diameter, the difference between the third diameter and the second diameter is within the range of 0.5-1 mm, and the difference between the second diameter and the first diameter is within the range of 0.5-1 mm.

9. The drainage pipeline with the noise reduction structure as claimed in claim 8, wherein the through holes (3) on the surface of the arc-shaped sheet (2) are arranged in a mixed manner by combining any two of the through holes (3) with the first diameter, the second diameter and the third diameter.

10. A drainage pipeline with a noise reduction structure according to claim 8, wherein the plurality of through holes (3) on the surface of the arc-shaped sheet (2) are a mixed arrangement of the combination of the through holes (3) with the first diameter, the second diameter and the third diameter.