Large-displacement PVC drain pipe with noise reduction effect

Abstract

The utility model discloses a large-displacement PVC (polyvinyl chloride) drainage pipe with a noise reduction effect, which belongs to the technical field of PVC drainage pipes and is characterized by comprising two PVC pipe main bodies, a corrugated pipe is arranged between opposite sides of the two PVC pipe main bodies, the front side and the rear side of the corrugated pipe are connected with connecting components, and the connecting components are connected with the PVC pipe main bodies. The inner wall of the connecting assembly is in close contact with the surface of the PVC pipe main body; the PVC pipe body comprises an inner pipe body and an outer pipe body, a plurality of connecting strips are arranged between the opposite sides of the inner pipe body and the outer pipe body, a plurality of reinforcing blocks are arranged between the opposite sides of every two adjacent connecting strips, the PVC pipe body is designed to be of a double-layer pipe wall structure, and the space between the PVC pipe body and the outer pipe body is filled with the sound absorption material, so that the sound absorption performance of the PVC pipe body is improved. Therefore, when noise sound waves generated in the drainage process are transmitted in the pipe, the sound absorbing material on the outer layer can absorb and reflect part of the sound waves, and the strength of outward transmission of the noise is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to PVC drainage pipe technical field, especially a large -capacity PVC drainage pipe with noise reduction effect. BACKGROUND

[0002] The PVC pipe drainage pipe is made of sanitary grade polyvinyl chloride (PVC) resin as the main raw material, and a proper amount of stabilizer, lubricant, filler, color enhancer and the like is added to be extruded by a plastic extruder and injection molded by an injection molding machine, and the production of pipe material and pipe fitting is completed through the processes of cooling, solidification, setting, inspection, packaging and the like.

[0003] The existing PVC water supply and drainage pipe is prone to blockage during use, because the water supply and drainage pipe is in a winding state in many cases, and the winding part is most prone to blockage, so it is difficult for the user to dredge after blockage, which brings inconvenience to the user.

[0004] The existing patent (publication number: CN212001394U) discloses a PVC water supply and drainage pipe, which can effectively intercept floating objects in water from the source of the pipe, so that the floating objects cannot flow downward, so that the pipe is not easy to be blocked during use, and the design of the clamping groove and the activated carbon filter screen plate can purify the transported drinking water, can adsorb impurities contained in the drinking water, improve the quality of the drinking water, make the water quality better, and improve the practicability of the device.

[0005] In view of the above problems, the existing patent provides a solution, but when a large amount of water flows at high speed in the pipe, especially in the drainage system of high-rise buildings, the potential energy of the water flow is converted into kinetic energy, which collides violently with the pipe wall and produces turbulence, thereby emitting a loud noise, forming noise pollution, and the impact of the water flow will cause the PVC drainage pipe to vibrate, and since the existing pipe material is connected by the way of glue bonding, the connection part is easy to loosen due to the transmission of vibration, thereby affecting the connectivity between the pipe materials.

[0006] Therefore, a large-capacity PVC drainage pipe with noise reduction effect is proposed. CONTENT OF THE UTILITY MODEL

[0007] The utility model discloses a purpose lies in, provide a kind of big discharge PVC drain pipe with noise reduction effect, can solve the existing when a large amount of water in pipe high-speed flow, especially in the drainage system of high-rise building, potential energy of water flow is converted into kinetic energy, and it is violently collided with pipe wall and generates turbulence, thereby emitting piercing noise, form noise pollution, and the impact of water flow can make PVC drain pipe produce vibration, since existing pipe material is connected by the way of adhesive bonding, its connecting place receives the transmission of vibration and is prone to looseness, thereby affecting the problem of connectivity between pipe material.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a kind of big discharge PVC drain pipe with noise reduction effect, including two PVC pipe main bodies, the opposite side between two PVC pipe main bodies is provided with bellows, and the front side and the back side of bellows are provided with connection assembly, the inner wall of connection assembly and the surface of PVC pipe main body are in close contact;

[0009] The PVC pipe main body includes inner tube body and outer tube body, the opposite side between the inner tube body and the outer tube body is provided with a plurality of connecting strips, and the opposite side between the adjacent two connecting strips is provided with a plurality of reinforcing blocks, the side of the reinforcing block close to the inner tube body and the outer tube body is connected with them respectively, and the inner wall of the inner tube body is provided with a protrusion.

[0010] Preferably, the connection assembly includes a connecting pipe, the side of the connecting pipe close to the bellows is connected with it, and the side of the connecting pipe away from the bellows is provided with a fixing pipe.

[0011] Preferably, the side of the fixing pipe close to the PVC pipe main body is provided with a snap ring, and the inner wall of the snap ring is bonded with a sealing sheet, and the side of the sealing sheet close to the PVC pipe main body is in close contact with it.

[0012] Preferably, the surface of the fixing pipe is threadedly connected with a conical cylinder, and the inner wall of the conical cylinder is in close contact with the snap ring.

[0013] Preferably, the protrusion is spirally arranged on the inner wall of the inner tube body, and the cross section of the protrusion is triangularly arranged.

[0014] Preferably, the filling cavity is formed between the connecting strip and the reinforcing block, and the inside of the filling cavity is filled with polyurethane foam.

[0015] Preferably, the number of the snap ring is a plurality, and the whole is annularly arranged on the side of the fixing pipe close to the PVC pipe main body, and the side of the snap ring opposite to the fixing pipe is provided with an elastic sheet.

[0016] Preferably, the side of the snap ring close to the sealing sheet is annularly provided with a plurality of cavities, and the inside of the cavity is provided with a spring, and the side of the spring close to the sealing sheet is connected with it.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] 1、The present application is provided with PVC pipe main body, PVC pipe main body is double-layer pipe wall structure design, and fills sound absorption material between both, therefore when the noise sound wave produced in the drainage process spreads in the pipe, the sound absorption material of outer layer can absorb and reflect part sound wave, thereby reduce the intensity of noise outward propagation;

[0019] 2、The present application is provided with connecting assembly and bellows, realize the close connection with pipe main body, ensure the sealing of pipeline system, prevent the leakage phenomenon occurs, still can effectively buffer the vibration, avoid the connection loose problem caused by vibration transmission, guarantee the whole drainage pipeline in the long-term use process, even if facing the strong impact and vibration of water flow of high-rise building large capacity drainage, still can maintain good connectivity and stability, continuously and efficiently run, greatly reduce noise pollution and maintenance cost, prolong the service life of pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structural drawing of large capacity PVC drainage pipe with noise reduction effect of the utility model;

[0021] Figure 2 It is the structural schematic view of PVC pipe main body of the utility model;

[0022] Figure 3 It is the connecting schematic view of connecting assembly and bellows of the utility model;

[0023] Figure 4 It is the connecting schematic view of snap ring and sealing sheet of the utility model;

[0024] Figure 5 It is the utility model Figure 4 It is the enlarged schematic view of A place in the utility model.

[0025] In the drawing, 1, PVC pipe main body;11, inner tube body;12, outer tube body;13, connecting strip;14, reinforcing block;15, protrusion;2, bellows;3, connecting assembly;31, connecting pipe;32, fixed pipe;33, snap ring;34, sealing sheet;35, conical cylinder;4, elastic sheet;5, spring. DETAILED DESCRIPTION

[0026] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of the utility model protection.

[0027] Please refer to Figures 1-5 The utility model provides technical scheme:

[0028] A large capacity PVC drain pipe with noise reduction effect, including two PVC pipe main body 1, the opposite side between two PVC pipe main body 1 is provided with bellows 2, and the front side and the back side of bellows 2 are provided with connecting assembly 3, and the inner wall of connecting assembly 3 is in close contact with the surface of PVC pipe main body 1.

[0029] PVC pipe main body 1 includes inner tube body 11 and outer tube body 12, the opposite side between inner tube body 11 and outer tube body 12 is provided with a plurality of connecting strips 13, and the opposite side between adjacent two connecting strips 13 is provided with a plurality of reinforcing blocks 14, and the side close to inner tube body 11 and outer tube body 12 of reinforcing block 14 is connected with the two respectively, and the inner wall of inner tube body 11 is provided with protrusion 15.

[0030] In the embodiment: through PVC pipe main body 1, through the double-layer structure of PVC pipe main body 1, i.e. inner tube body 11 and outer tube body 12, cooperate connecting strip 13 and reinforcing block 14, the overall strength of pipe material is significantly enhanced, so that it can withstand the high pressure impact of large capacity water flow, the protrusion 15 of inner tube body 11 can change the water flow form, reduce the direct impact of water flow on pipe wall and turbulence generation, thereby reducing noise.

[0031] Specifically, as shown in Figure 3 Connecting assembly 3 includes connecting pipe 31, the side close to bellows 2 of connecting pipe 31 is connected with it, and the side away from bellows 2 of connecting pipe 31 is provided with fixed pipe 32.

[0032] Specifically, as shown in Figure 3 The side close to PVC pipe main body 1 of fixed pipe 32 is provided with snap ring 33, and the inner wall of snap ring 33 is bonded with sealing sheet 34, and the side close to PVC pipe main body 1 of sealing sheet 34 is in close contact with it.

[0033] Specifically, as shown in Figure 3 The surface of fixed pipe 32 is screw connected with conical cylinder 35, and the inner wall of conical cylinder 35 is in close contact with snap ring 33.

[0034] In the embodiment, when the two PVC pipe bodies 1 are connected, the clamping ring 33 and the sealing sheet 34 are sleeved on the surface of the PVC pipe body 1 by setting the connecting assembly 3, and the tapered cylinder 35 is gradually extruded by the clamping ring 33 under the cooperation of the threads of the fixing pipe 32, so that the clamping ring 33 and the sealing sheet 34 are in close contact with the PVC pipe body 1, thereby realizing the flexible connection between the two PVC pipe bodies 1, and avoiding the problem of loose connection caused by vibration transmission.

[0035] Specifically, as shown in Figure 2 , the protrusions 15 are spirally arranged on the inner wall of the inner pipe body 11, and the cross section of the protrusions 15 is triangular.

[0036] Specifically, as shown in Figure 2 , a filling cavity is formed between the connecting strip 13 and the reinforcing block 14, and the filling cavity is filled with polyurethane foam.

[0037] In the embodiment, the protrusions 15 spirally arranged on the inner pipe body 11 can guide the water flow to form a spiral flow in the pipe, making the water flow more orderly, reducing the direct collision of the water flow with the pipe wall and the generation of turbulence phenomenon, and the sharp corners of the triangular protrusions 15 can cause the water flow to branch and turn under the scouring of the water flow, reducing the direct cutting action of the water flow on the pipe wall and prolonging the service life of the inner pipe body 11. The filling cavity between the connecting strip 13 and the reinforcing block 14 is filled with polyurethane foam, which has good sound absorption performance and can absorb the noise generated by the water flow impacting the pipe wall, further improving the noise reduction effect of the pipeline and creating a quiet use environment for the user.

[0038] Specifically, as shown in Figure 3 , Figure 4 , the number of clamping rings 33 is several, and the clamping rings 33 are annularly arranged on one side of the fixing pipe 32 close to the PVC pipe body 1. The elastic sheet 4 is arranged between the side of the clamping ring 33 opposite to the fixing pipe 32.

[0039] Specifically, as shown in Figure 5 , the side of the clamping ring 33 close to the sealing sheet 34 is annularly provided with a plurality of cavities, and the cavities are internally provided with springs 5, and the side of the spring 5 close to the sealing sheet 34 is connected with the sealing sheet 34.

[0040] In the embodiment, the elastic sheet 4 is arranged to realize the connection of the clamping ring 33 and the fixing pipe 32, and facilitate the deformation of the clamping ring 33 at the elastic sheet 4, so that the clamping ring 33 is in close contact with the surface of the PVC pipe body 1 under the extrusion of the tapered cylinder 35. The springs 5 arranged can effectively absorb the vibration of the PVC pipe body 1 caused by the water flow, and play a role in blocking the transmission of vibration.

[0041] Working principle: when two PVC pipe bodies 1 are connected, the clamping ring 33 and the sealing sheet 34 can be sleeved on the surface of the PVC pipe body 1, and the tapered cylinder 35 is gradually extruded by the clamping ring 33 through the threaded cooperation of the tapered cylinder 35 and the fixed pipe 32, so that the clamping ring 33 and the sealing sheet 34 are in close contact with the PVC pipe body 1, realizing the connection with the PVC pipe body 1, and when the water flow impacts the inner wall of the inner pipe body 11, the sharp corners of the triangular protrusions 15 can make the water flow produce diversion and turning under the water flow scouring, reducing the direct cutting effect of the water flow on the pipe wall, reducing the impact of the water flow on the inner pipe body 11, and guiding the water flow to form a spiral flow in the pipe, making the water flow more orderly, reducing the direct collision of the water flow with the pipe wall and the generation of turbulence phenomenon, and filling the polyurethane foam in the filling cavity between the connecting strip 13 and the reinforcing block 14, the polyurethane foam has good sound absorption performance, can absorb the noise generated by the water flow impacting the pipe wall, further improves the noise reduction effect of the pipeline, and creates a quiet use environment for the user.

[0042] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A large-capacity PVC drain pipe with noise reduction effect, comprising two PVC pipe bodies (1), characterized in that: Two PVC pipe bodies (1) are provided with corrugated pipes (2) between opposite sides, and the front and rear sides of the corrugated pipes (2) are provided with connecting assemblies (3), and the inner wall of the connecting assembly (3) is in close contact with the surface of the PVC pipe body (1). The PVC pipe body (1) comprises an inner pipe body (11) and an outer pipe body (12), a plurality of connecting strips (13) are arranged between opposite sides of the inner pipe body (11) and the outer pipe body (12), and a plurality of reinforcing blocks (14) are arranged between opposite sides of adjacent two connecting strips (13), one side of the reinforcing block (14) close to the inner pipe body (11) and the outer pipe body (12) is connected with the two, and the inner wall of the inner pipe body (11) is provided with a protrusion (15).

2. A large-capacity PVC drain pipe with a noise reduction effect according to claim 1, characterized in that: The connecting assembly (3) comprises a connecting pipe (31), one side of the connecting pipe (31) close to the corrugated pipe (2) is connected with the corrugated pipe (2), and the other side of the connecting pipe (31) away from the corrugated pipe (2) is provided with a fixing pipe (32).

3. A large-diameter PVC drainage pipe with a noise reduction effect according to claim 2, characterized in that: The fixing pipe (32) is provided with a clasp ring (33) on one side close to the PVC pipe body (1), and the inner wall of the clasp ring (33) is bonded with a sealing sheet (34), and one side of the sealing sheet (34) close to the PVC pipe body (1) is in close contact with the PVC pipe body (1).

4. A large capacity PVC drain pipe with noise reduction effect according to claim 3, characterized in that: The surface of the fixing pipe (32) is threadedly connected with a tapered cylinder (35), and the inner wall of the tapered cylinder (35) is in close contact with the clasp ring (33).

5. The large-capacity PVC drain pipe with noise reduction effect according to claim 1, characterized in that: The protrusion (15) is spirally arranged on the inner wall of the inner pipe body (11), and the cross section of the protrusion (15) is triangularly arranged.

6. The large-capacity PVC drain pipe with noise reduction effect according to claim 1, characterized in that: The connecting strip (13) and the reinforcing block (14) form a filling cavity, and the filling cavity is filled with polyurethane foam.

7. A large capacity PVC drain pipe with noise reduction effect according to claim 3, characterized in that: The number of the clasp ring (33) is several, and the whole is annularly arranged on one side of the fixing pipe (32) close to the PVC pipe body (1), and the elastic sheet (4) is arranged between the opposite side of the clasp ring (33) and the fixing pipe (32).

8. A large capacity PVC drain pipe with noise reduction effect according to claim 3, characterized in that: The clasp ring (33) is annularly provided with a plurality of cavities on one side close to the sealing sheet (34), and the cavities are provided with springs (5) inside, and the springs (5) are connected with the sealing sheet (34) on one side close to the sealing sheet (34).

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