CN216664354U

CN216664354U - Elbow and PE same-layer drainage system

Info

Publication number: CN216664354U
Application number: CN202123024135.6U
Authority: CN
Inventors: 但新桥; 汪磊
Original assignee: Foshan Rifeng Enterprise Co Ltd; Rifeng Enterprise Group Co Ltd
Current assignee: Foshan Rifeng Enterprise Co Ltd; Rifeng Enterprise Group Co Ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-06-03
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to the field of drainage systems, and discloses an elbow and PE same-layer drainage system, which comprises: the elbow comprises an elbow body and a cover body, wherein an inspection opening is formed in the outer side of a bending angle of the elbow body, the central axis of the inspection opening coincides with the angular bisector of the bending angle, and the cover body detachably connected is arranged on the inspection opening. The utility model has the beneficial effects that: the blocking conditions of the two sides of the elbow can be observed more conveniently, and the special plug cleaning tool can also extend into the pipeline more easily for cleaning, and compared with a branch pipe cutting mode, the pipeline cleaning tool is simpler to operate and lower in cleaning cost.

Description

Elbow and PE same-layer drainage system

Technical Field

The utility model relates to the field of drainage systems, in particular to an elbow and PE same-layer drainage system.

Background

At present, in PE same floor drainage system, set up 90 inspection hatches on main riser usually, be convenient for look over the jam condition, be connected with the horizontal branch pipe of co-altitude not on the main riser, the drainage with different floor households is introduced main riser and is concentrated the emission, when main riser takes place to block up, can utilize special clear stopper instrument to stretch into main riser from the inspection hatches on the main riser and clear up, and when the horizontal branch pipe took place to block up, because the horizontal branch pipe is stretched into in the unable 90 inspection hatches from the main riser of special clear stopper instrument, consequently clear stifled again after cutting off the horizontal branch pipe usually, clear stifled completion will be connected the pipeline with the connecting pipe spare again, the operation is complicated, and the cost is higher. In addition, the blockage situation in the transverse branch pipe cannot be checked through the inspection hole on the main vertical pipe, so that the judgment of the blockage position in the transverse branch pipe also becomes a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

A first object of the present application is to provide an elbow that can check the blockage situation in the pipe through the inspection opening of the bending position and can be cleaned using a special cleaning tool.

The purpose of the application is realized by the following technical scheme:

a bend, comprising: the elbow comprises an elbow body and a cover body, wherein the elbow body is provided with a bending angle, an inspection opening communicated to the inside of the elbow body is formed in the outer side position of the bending angle of the elbow body, the inspection opening is observed along the cross section of the longitudinal section of the elbow body, the central axis of the inspection opening is superposed with the angular bisector of the bending angle of the elbow body, and the cover body is detachably connected with the elbow body and covers the inspection opening.

In some embodiments of the present application, the elbow body and the cover are both HDPE parts.

In some embodiments of the present application, a protrusion is convexly formed along the edge of the inspection opening, the extending direction of the protrusion is parallel to the central axis of the inspection opening, and the cover body is detachably connected to the protrusion.

In some embodiments of the present application, the cover is sleeved on the outer periphery of the protrusion through a stepped thread.

In some embodiments of the present application, a seal ring is disposed between the cover and the protrusion.

In some embodiments of the present application, the seal ring is an epdm rubber.

In some embodiments of the present application, viewed along a longitudinal cross-sectional view of the elbow body, the elbow body is symmetrically disposed with respect to an angular bisector of the bending angle.

In some embodiments of the present application, the bending angle of the elbow body is 45 ° or 90 °.

A second objective of the present application is to provide a PE same layer drainage system, which includes the above-mentioned elbow and at least two pipelines, where the at least two pipelines are respectively welded at two ends of the elbow through hot melting.

The utility model provides an elbow and PE are with layer drainage system, the angle of bending outside position at the elbow body is equipped with the inspection socket, and the central axis of this inspection socket is located the angular bisector of the angle of bending of elbow, detachably lid has closed the lid on the inspection socket for people can observe the jam condition of elbow both sides more conveniently, and special clear up stopper instrument is also cleared up in stretching into the pipeline more easily, compare in the mode operation of cutting off the branch pipe simpler, the cost of cleaning up is lower.

Drawings

FIG. 1 is a schematic structural view of a 45-degree elbow of the present solution;

FIG. 2 is a longitudinal cross-sectional view of a 45 elbow of the present solution;

FIG. 3 is an exploded view of the 45 elbow of the present embodiment;

FIG. 4 is a schematic structural view of a 90-degree elbow of the scheme;

FIG. 5 is a longitudinal cross-sectional view of a 90 bend of the present version;

figure 6 is an exploded view of the 90 elbow of the present embodiment.

In the figure, 1, an elbow body; 2. a cover body; 21. anti-skid lines; 3. an inspection opening; 4. a protrusion; 5. step screw threads; 6. and (5) sealing rings.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "outside", "inside", "center", "outer periphery", and the like used herein to indicate orientation or positional relationship based on that shown in the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1-6, a first aspect of embodiments of the present application provides a bend, comprising: the elbow comprises an elbow body 1 and a cover body 2, wherein the elbow body 1 is provided with a bending angle, an inspection opening 3 communicated to the inside of the elbow body 1 is formed in the outer side position of the bending angle of the elbow body 1, the inspection opening is observed along the cross section of the longitudinal section of the elbow body 1, the central axis of the inspection opening 3 coincides with the angular bisector of the bending angle of the elbow body 1, and the cover body 2 is detachably connected with the elbow body 1 and covers the inspection opening 3.

Based on above-mentioned technical scheme, elbow body 1 is at the during operation, and lid 2 lid fits on inspection opening 3, prevents to leak from inspection opening 3, and lid 2 can adopt modes such as spiro union, joint, articulated with elbow body 1 to be connected, and when taking place to block up, can pull down lid 2 when needing to look over the inside condition of pipeline to utilize the instrument clearance to block up, close up again lid 2 lid on inspection opening 3 after the work of clearing up is accomplished. The central axis of inspection socket 3 is located the angular bisector of the angle of bending, is convenient for observe the jam condition of elbow both sides to also conveniently clear stifled, can utilize special clear stopper instrument when clear stifled with the help of devices such as reflector or pipeline monitoring snooping appearance, need not to destroy pipeline structure during the observation.

In some embodiments of the present application, the elbow body 1 and the cover 2 are both HDPE members. The HDPE material has the advantages of good acid and alkali resistance, organic solvent resistance, excellent electrical insulation, impact resistance, noise reduction, good toughness at low temperature and the like, and can well meet the installation and construction requirements of a drainage system.

In some embodiments of the present application, as shown in fig. 1 to 6, a protrusion 4 is convexly formed along the edge of the inspection opening 3, the protrusion 4 extends in a direction parallel to the central axis of the inspection opening 3, and the cover 2 is detachably connected to the protrusion 4. The cover body 2 is more easily covered on the inspection opening 3 by utilizing the bulge 4 arranged on the outer side of the edge of the inspection opening 3, and the detachable structure can be directly processed on the bulge 4 and the cover body 2, so that the purpose of detachable connection is more easily realized.

Specifically, as shown in fig. 2, 3, 5 and 6, the cover 2 is sleeved on the periphery of the protrusion 4 through a stepped thread 5. Threaded connection's lid 2 and protruding 4 dismantlements are very convenient, only need the rotatory lid of one hand alright realize fastening and dismantlement, and the fastening of ladder screw thread 5 is effectual, and firm in connection is reliable.

More specifically, as shown in fig. 2, 3, 5 and 6, a sealing ring 6 is arranged between the cover body 2 and the bulge 4. The sealing ring 6 can be arranged at the top of the bulge 4, and the sealing ring 6 is pressed downwards by utilizing the threaded connection between the cover body 2 and the bulge 4, so that the effect of preventing the drainage from flowing out from the inspection opening 3 is achieved.

More specifically, the seal ring 6 is an ethylene propylene diene monomer rubber member. The ethylene propylene diene monomer rubber part has good corrosion resistance, ageing resistance and seepage resistance, achieves good sealing effect and is long in service life.

In some embodiments of the present application, as shown in fig. 1, 3, 4 and 6, the periphery of the cover 2 is provided with an anti-slip pattern 21. The anti-slip lines 21 can make the opening or closing of the inspection opening more convenient for workers and avoid slipping in the rotating process.

In some embodiments of the present application, as shown in fig. 2 and 5, viewed from a longitudinal sectional view of the elbow body 1, the elbow body 1 is symmetrically arranged with respect to a bisector of the bending angle. The symmetrically arranged elbow bodies 1 enable the distances from the two end parts to the inspection opening 3 to be the same, and the observation and the cleaning are convenient.

In some embodiments of the present application, as shown in fig. 1 to 6, the bending angle of the elbow body 1 is 45 ° or 90 °. The 45 and 90 bends are more practical in the drainage arrangement and the structure is more aesthetically pleasing.

A second aspect of the embodiment of the present application provides a PE same-layer drainage system, which includes the above-mentioned elbow, and at least two pipelines, where the at least two pipelines are respectively welded to two ends of the elbow through hot melting. The pipelines and the elbows jointly form a drainage system for building drainage.

In conclusion, the elbow and PE same-layer drainage system of the application is provided with the inspection opening 3 at the outer side position of the bending angle of the elbow body 1, the central axis of the inspection opening 3 is positioned on the angular bisector of the bending angle of the elbow body 1, the cover body 2 is detachably covered on the inspection opening, so that people can observe the blocking condition of the two sides of the elbow more conveniently, the special plug cleaning tool can also stretch into the pipeline more easily to clean, the operation is simpler compared with the mode of cutting off the branch pipe, and the cleaning cost is lower.

The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present application, and these modifications and substitutions should also be regarded as the protection scope of the present application.

Claims

1. An elbow, comprising: the elbow comprises an elbow body and a cover body, wherein the elbow body is provided with a bending angle, an inspection opening communicated to the inside of the elbow body is formed in the outer side position of the bending angle of the elbow body, the inspection opening is observed along the cross section of the longitudinal section of the elbow body, the central axis of the inspection opening is superposed with the angular bisector of the bending angle of the elbow body, and the cover body is detachably connected with the elbow body and covers the inspection opening.

2. The elbow of claim 1, wherein the elbow body and the cover are both HDPE pieces.

3. The elbow according to claim 1, wherein a protrusion is convexly formed along the edge of the inspection opening, the protrusion extends in a direction parallel to the central axis of the inspection opening, and the cover is detachably connected to the protrusion.

4. The elbow of claim 3, wherein the cover is threaded onto the outer periphery of the boss by a stepped thread.

5. The elbow according to claim 4, wherein a sealing ring is provided between the cover and the protrusion.

6. The elbow according to claim 5, wherein the sealing ring is an ethylene propylene diene monomer rubber member.

7. The elbow according to claim 4, wherein the periphery of the cover is provided with non-slip threads.

8. The elbow according to claim 1, wherein the elbow body is symmetrically disposed with respect to a bisector of the bend angle as viewed in a longitudinal cross-sectional view of the elbow body.

9. The elbow according to any one of claims 1-8, wherein the bend angle of the elbow body is 45 ° or 90 °.

10. A PE same-layer drainage system is characterized by comprising:

the elbow of any one of claims 1-9; and

and the at least two pipelines are respectively welded at two ends of the elbow through hot melting.