CN211344285U

CN211344285U - Silencing drainage pipeline

Info

Publication number: CN211344285U
Application number: CN202020044722.8U
Authority: CN
Inventors: 黄月春; 黄赐渊; 黄赐民; 杨加伟; 胡灿祥
Original assignee: Xiamen Yiqiaoyuan Greening Engineering Co ltd
Current assignee: Xiamen Yiqiaoyuan Greening Engineering Co ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-08-25
Anticipated expiration: 2030-01-09

Abstract

The utility model relates to a silencing drainage pipeline, which comprises an inner pipe, an outer pipe, a water guide wall arranged on the inner wall of the inner pipe, and a middle pipe arranged between the inner pipe and the outer pipe, wherein an elastic part and a first sound absorption cotton are arranged between the middle pipe and the inner pipe, a reinforcing rib and a first sound absorption cotton are arranged between the middle pipe and the outer pipe, and a vacuum pipe is sleeved outside the outer pipe; the joint of the two water discharge pipes is also sleeved with a silencing sleeve. The utility model has the advantages of effectively eliminating the noise of the drainage pipeline.

Description

Silencing drainage pipeline

Technical Field

The utility model relates to a pipeline transportation technical field, more specifically say, it relates to a amortization drainage pipe.

Background

The building is a general name of buildings and structures, and is an artificial environment created by people by using mastered material technical means and applying certain scientific laws, wind and water concepts and aesthetic rules in order to meet the needs of social life, a water supply and drainage system is very important in the building, a water supply and drainage pipeline mainly supplies water to the interior of the building or discharges waste water produced in the building, and noise generated by water flow in the water supply and drainage pipeline in the using process has certain influence on normal life of people, so that various drainage pipelines with a noise reduction function begin to appear in the existing market.

The chinese patent publication No. CN202546046U discloses a hollow spiral muffler, which comprises a cylindrical body having an annular cavity and formed by an inner pipe wall and an outer pipe wall, wherein a plurality of support ribs are uniformly distributed between the inner pipe wall and the outer pipe wall along the circumferential direction, the annular cavity is divided into a plurality of holes by the support ribs, a plurality of water guide walls are arranged on the inner surface of the inner pipe wall facing the central axis, the water guide walls are convex ribs spirally distributed around the axis, the cross section of each water guide wall is triangular, and the number of the water guide walls is eight.

The above prior art solutions have the following drawbacks: although the above technical solution reduces the impact of the water flow on the pipe wall by arranging the water guide wall, thereby reducing the noise generated by the pipe, the size of the water flow is changed, and the noise with different frequencies is still generated.

SUMMERY OF THE UTILITY MODEL

To the technical problem at present, an object of the utility model is to provide an amortization drainage pipe, its advantage that has the effect and eliminates drainage pipe noise.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a amortization drainage pipe, includes inner tube, outer tube and the water guide wall that the spiral set up on the inner tube inner wall, still includes the well pipe of coaxial setting between inner tube and outer tube, and it has first soundproof cotton to fill between well pipe and the inner tube, still is connected with the elastic component that a plurality of intra-annular pipe axis circumference equidistance arranged the setting between inner tube and the well pipe, and it has first soundproof cotton to fill between well pipe and the outer tube.

Through adopting above-mentioned technical scheme, still be provided with well pipe between inner tube and outer tube, be provided with the elastic component between inner tube and well pipe, the elastic component will play the effect of buffering when rivers impact inner tube, will weaken the production of noise in the source. Still pack between inner tube and well pipe and inhale the sound cotton, utilize to inhale the cotton sound absorption effect of sound in order to reach the effect that weakens to sound absorption. But part of noise is not effectively absorbed and is transmitted to the first sound insulation cotton between the middle pipe and the outer pipe, the noise is further blocked by utilizing the sound insulation cotton to block the sound, and the sound generated by reflection is also absorbed under the action of the first sound insulation cotton. So, through the elastic component, firstly inhale the cotton and first soundproof cotton's structural feature carries out the effect of making an uproar of falling multiple to the noise that effectual elimination drainage pipe produced.

The utility model discloses further set up to: the elastic piece is an elastic plate with an arc-shaped cross section, and two ends of the elastic plate are fixedly bonded through sound insulation damping airtight glue.

Through adopting above-mentioned technical scheme, reach the elastic cushioning effect of elastic component to the inner tube through the elastic plate that sets up the arc form setting, through the installation of the airtight gluey fixed elastic plate of sound insulation damping will be convenient for the elastic plate, utilize the airtight gluey fixed damping effect that will increase the contact surface that bonds of sound insulation damping simultaneously, effectively eliminate the resonant effect of structure for the installation of each elastic plate is more stable.

The utility model discloses further set up to: the opposite arrangement surfaces of the outer pipe and the middle pipe are provided with insertion grooves arranged along the axis direction of the outer pipe and the middle pipe, at least two pairs of insertion grooves are arranged in the insertion groove rings at equal intervals in the circumferential direction of the pipe axis, and each pair of insertion grooves are internally provided with reinforcing ribs inserted between the middle pipe and the outer pipe.

Through adopting above-mentioned technical scheme, through set up the strengthening rib in order to play the effect that supports well pipe and outer tube and strengthen pipeline structural strength between well pipe and outer tube, set up each strengthening rib of grafting location that the inserting groove will be convenient for.

The utility model discloses further set up to: a plurality of sound absorbing holes are uniformly formed in the inner wall of the middle pipe.

Through adopting above-mentioned technical scheme, through set up on well pipe and inhale the sound hole, utilize to inhale the sound hole and weaken to the further absorption of noise to the absorption effect of sound, further eliminate the noise that drainage pipe produced.

The utility model discloses further set up to: the outer wall of the outer pipe is also coaxially sleeved with a vacuum pipe, a vacuum cavity which is annularly arranged is arranged in the vacuum pipe, two ends on the axis of the vacuum pipe are sealed, and the outer wall of the vacuum pipe is also provided with a check valve communicated with the vacuum cavity.

Through adopting above-mentioned technical scheme, through setting up the vacuum tube on the outer tube to form vacuum cavity through the check valve with the air extraction of vacuum cavity in, in order to reach the effect of isolated noise, so with the noise that produces in the further elimination drain pipe.

The utility model discloses further set up to: the outer wall of the vacuum tube is coated with a corrosion-resistant coating.

By adopting the technical scheme, the vacuum tube is exposed to the outermost layer, and the drain pipe can be installed under the conditions of humidity, acid and alkali, so that the corrosion-resistant coating is coated on the outer layer of the vacuum tube, and the corrosion and the abrasion of the outside to the vacuum tube are reduced.

The utility model discloses further set up to: the joint cover of two drain pipes is equipped with the amortization cover that is cyclic annular setting, and the amortization intussuseption is filled with the second and inhales the sound cotton.

Through adopting above-mentioned technical scheme, the noise cancelling effect of the junction between the drain pipe is relatively poor, so establish the amortization cover at its junction cover and fill the second in the amortization cover and inhale the sound cotton to reach the junction between the drain pipe and also have the effect of noise abatement.

The utility model discloses further set up to: the silencing sleeve comprises two cover bodies which are symmetrically arranged on the outer wall of the outer pipe by taking the inner pipe axis as a symmetrical center line, one end of each cover body is hinged, and the other end of each cover body is clamped and fixed through a bolt and a nut.

Through adopting above-mentioned technical scheme, form through setting the amortization cover to two cover body articulated connections, so set up the installation that will be convenient for the amortization cover fixed.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the middle pipe is arranged between the inner pipe and the outer pipe, the elastic piece is arranged between the middle pipe and the inner pipe, the first sound absorption cotton is filled in the middle pipe, the reinforcing rib is arranged between the middle pipe and the outer pipe, and the first sound absorption cotton is filled in the middle pipe and the outer pipe, so that the noise generated in the drainage pipe is effectively eliminated through multiple noise elimination;

(2) be provided with the amortization cover through the junction at two drain pipes, the amortization intussuseption is filled with the second and inhales the sound cotton, establishes the vacuum tube on the outer wall of outer tube, so with the noise that further elimination drain pipe produced.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic structural diagram of the silencing cover of the present invention.

Reference numerals: 1. an inner tube; 2. an outer tube; 3. a water guide wall; 4. a middle tube; 5. a first sound absorbing cotton; 6. an elastic member; 61. an elastic plate; 7. a first soundproof cotton; 8. inserting grooves; 9. reinforcing ribs; 10. a sound absorption hole; 11. a vacuum tube; 12. a vacuum chamber; 13. a check valve; 14. a corrosion-resistant coating; 15. a silencing sleeve; 16. the second sound-absorbing cotton; 17. a cover body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a amortization drainage pipe, set up water guide wall 3 on inner tube 1 inner wall including inner tube 1, outer tube 2 and spiral, still include the well pipe 4 of coaxial setting between inner tube 1 and outer tube 2, pack between well pipe 4 and the inner tube 1 and have first sound cotton 5 of inhaling, still be connected with the elastic component 6 that a plurality of ring inner tube 1 axis circumference equidistance arranged the setting between inner tube 1 and well pipe 4, it has first soundproof cotton 7 to fill between well pipe 4 and the outer tube 2. When water flow impacts the inner pipe 1, the elastic part 6 plays a role of buffering, and the generation of noise is weakened at the source; the first sound-absorbing cotton 5 is arranged to utilize the sound absorption effect of the sound-absorbing cotton to achieve the effect of weakening the sound absorption; set up first soundproof cotton 7 and be utilizing soundproof cotton to further block the noise to the effect of blocking of sound, so, carry out the effect of making an uproar of falling multiple through the structural feature of elastic component 6, first soundproof cotton 5 and first soundproof cotton 7 to the noise that effectual elimination drainage pipe produced.

The elastic part 6 is an elastic plate 61 with an arc-shaped cross section, and two ends of the elastic plate 61 are bonded and fixed by sound insulation and damping sealing glue (not shown in the figure) so as to achieve the effect of buffering and damping of the elastic part 6. The inserting groove 8 that sets up along its axis direction is all seted up on the face that sets up in opposite directions of outer tube 2 and well pipe 4, and 4 axis circumference equidistance are arranged and are provided with two at least pairs in 8 rings of inserting groove, and every is all inserted and is equipped with strengthening rib 9 in inserting groove 8 between well pipe 4 and outer tube 2, sets up the joint strength that strengthening rib 9 will strengthen well pipe 4 and outer tube 2, sets up inserting groove 8 and will be convenient for install strengthening rib 9. A plurality of sound absorbing holes 10 are uniformly formed in the inner wall of the middle tube 4, and the sound absorbing holes 10 further absorb noise.

Still coaxial cover is equipped with vacuum tube 11 on the outer wall of outer tube 2, is equipped with the vacuum chamber 12 that is cyclic annular setting in the vacuum tube 11, and the both ends on the vacuum tube 11 axis are sealed and are set up, still is provided with the check valve 13 that sets up with vacuum chamber 12 intercommunication on the vacuum tube 11 outer wall, thereby evacuates 11 inner chambers of vacuum tube through check valve 13 and forms the effect of vacuum chamber 12 and play the separation noise, the noise that the drain pipe produced that will further reduce. Furthermore, the corrosion-resistant coating 14 is coated on the outer wall of the vacuum tube 11, so that the service life of the vacuum tube 11 is prolonged, and the vacuum tube can be specifically set to be epoxy paint.

Referring to fig. 1 and 2, since the noise elimination effect at the joint between the two drainage pipes is poor, the silencing sleeve 15 is annularly sleeved at the joint between the two drainage pipes, and the second sound-absorbing cotton 16 is filled in the silencing sleeve 15, so that the joint of the drainage pipes has a better noise elimination effect. Further, the amortization cover 15 includes that two use the inner tube 1 axis to set up the cover body 17 on the outer wall of outer tube 2 as the symmetry center line symmetry, and wherein one end of two cover bodies 17 is articulated to be set up, and the other end of two cover bodies 17 is through bolt your nut clamp fixed, so will be convenient for the installation of amortization cover 15.

The implementation principle of the embodiment is as follows: installing each elastic piece 6 between the inner pipe 1 and the middle pipe 4, filling the first sound absorption cotton 5 in the elastic pieces, sleeving the outer pipe 2 outside the middle pipe 4, inserting each reinforcing rib 9 into the corresponding insertion groove 8 on the middle pipe 4 and the outer pipe 2, sleeving the vacuum pipe 11 on the outer wall of the outer pipe 2, and connecting the check valve 13 by using an air suction pump to extract air in the inner cavity of the vacuum pipe 11; when the water pipes are spliced, a fixed silencing sleeve 15 is sleeved outside the joint of the two abutting-joint fixed drain pipes.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a amortization drainage pipe, includes inner tube (1), outer tube (2) and spiral setting water guide wall (3) on inner tube (1) inner wall, its characterized in that: still including well pipe (4) of coaxial setting between inner tube (1) and outer tube (2), it has first sound cotton (5) of inhaling to fill between well pipe (4) and inner tube (1), still be connected with elastic component (6) that a plurality of ring inner tube (1) axis circumference equidistance set up between inner tube (1) and well pipe (4), it has first soundproof cotton (7) to fill between well pipe (4) and outer tube (2).

2. The muffling drainage pipeline of claim 1, wherein: the elastic piece (6) is an elastic plate (61) with an arc-shaped cross section, and two ends of the elastic plate (61) are fixedly bonded through sound insulation damping closed glue.

3. The muffling drainage pipeline of claim 1, wherein: the opposite arrangement surfaces of the outer pipe (2) and the middle pipe (4) are provided with insertion grooves (8) arranged along the axis direction, at least two pairs of insertion grooves (8) are arranged around the middle pipe (4) in the circumferential direction at equal intervals, and each pair of insertion grooves (8) are internally provided with reinforcing ribs (9) inserted between the middle pipe (4) and the outer pipe (2).

4. The muffling drainage pipeline of claim 1, wherein: a plurality of sound absorbing holes (10) are uniformly formed in the inner wall of the middle pipe (4).

5. The muffling drainage pipeline of claim 1, wherein: the outer wall of the outer pipe (2) is further coaxially sleeved with a vacuum pipe (11), an annular vacuum cavity (12) is arranged in the vacuum pipe (11), two ends of the vacuum pipe (11) on the axis are sealed, and a check valve (13) communicated with the vacuum cavity (12) is further arranged on the outer wall of the vacuum pipe (11).

6. The muffling drainage pipeline of claim 5, wherein: the outer wall of the vacuum tube (11) is coated with a corrosion-resistant coating (14).

7. The muffling drainage pipeline of claim 1, wherein: the joint of the two water drainage pipes is sleeved with an annular silencing sleeve (15), and the silencing sleeve (15) is filled with second sound absorption cotton (16).

8. The muffling drainage pipeline of claim 7, wherein: the silencing cover (15) comprises two cover bodies (17) which are symmetrically arranged on the outer wall of the outer pipe (2) by taking the axis of the inner pipe (1) as a symmetry center line, wherein one end of each cover body (17) is hinged, and the other end of each cover body (17) is clamped and fixed through bolts and nuts.