阅读说明：本技术 建筑排水用防漏管道系统 (Leakage-proof pipeline system for building drainage ) 是由 朱正 朱海静 于 2021-07-14 设计创作，主要内容包括：本发明提供一种建筑排水用防漏管道系统,包括：竖直设置的主管道以及水平设置在每层楼的支管道；主管道的顶部安装有透气帽；主管道包括管材与连接件连接结构、管材与管材连接结构；主管道的底部通过弯头管件连接排污管道；管材的下端部、连接件的下端部、弯头管件的出水端部均设置有内部环形插槽；管材的上端部、连接件的上端部、弯头管件的入水端部、排污管道的入水端分别设置为与内部环形插槽相匹配插接的单层筒壁；连接件的左端部、右端部分别连接有支管道,支管道连接卫生洁具；主管道设置有检查口,检查口至少包括设置在主管道上端的上检查口和设置在主管道下端的下检查口；检查口包括侧向管口、密封塞、密封盖、密封垫圈。(The invention provides a building drainage leak-proof pipeline system, comprising: a main pipeline which is vertically arranged and branch pipelines which are horizontally arranged on each floor; the top of the main pipeline is provided with a ventilation cap; the main pipeline comprises a pipe and connecting piece connecting structure and a pipe and pipe connecting structure; the bottom of the main pipeline is connected with a sewage pipeline through an elbow pipe fitting; the lower end part of the pipe, the lower end part of the connecting piece and the water outlet end part of the elbow pipe fitting are all provided with internal annular slots; the upper end part of the pipe, the upper end part of the connecting piece, the water inlet end part of the elbow pipe fitting and the water inlet end of the sewage discharge pipeline are respectively arranged into a single-layer cylinder wall which is matched and spliced with the inner annular slot; the left end part and the right end part of the connecting piece are respectively connected with branch pipelines which are connected with sanitary wares; the main pipeline is provided with an inspection opening, and the inspection opening at least comprises an upper inspection opening arranged at the upper end of the main pipeline and a lower inspection opening arranged at the lower end of the main pipeline; the inspection opening comprises a lateral pipe opening, a sealing plug, a sealing cover and a sealing gasket.)

1. A leak-proof piping system for building drainage, comprising: a main pipeline which is vertically arranged and branch pipelines which are horizontally arranged on each floor;

the top of the main pipeline is exposed on the roof of the building;

the main pipeline comprises a plurality of pipe and connecting piece connecting structures and a plurality of pipe and pipe connecting structures;

the bottom of the main pipeline is connected with a sewage pipeline through an elbow pipe fitting;

the lower end part of the pipe, the lower end part of the connecting piece and the water outlet end part of the elbow pipe fitting are all provided with internal annular slots;

the upper end part of the pipe, the upper end part of the connecting piece, the water inlet end part of the elbow pipe fitting and the water inlet end of the sewage discharge pipeline are respectively arranged into single-layer cylinder walls which are matched and spliced with the inner annular slot;

the connecting pieces are arranged corresponding to each floor respectively, the left end part and the right end part of each connecting piece are connected with the branch pipelines respectively, and the branch pipelines are connected with sanitary ware.

2. A leak-proof piping system for construction drainage as set forth in claim 1, wherein:

the inspection port at least comprises an upper inspection port arranged at the upper end of the main pipeline and a lower inspection port arranged at the lower end of the main pipeline;

the inspection opening comprises a lateral pipe opening communicated with the pipe, a sealing plug arranged inside the lateral pipe opening and a sealing cover arranged at the end part of the lateral pipe opening;

a limiting flange is formed between the lateral pipe orifice and the pipe wall of the pipe, and the sealing plug is matched with the limiting flange and clamped and installed;

the outer wall of the lateral pipe opening is provided with an external thread, the sealing cover is provided with an internal thread, the sealing cover is in threaded connection with the screw cover and is covered on the lateral pipe opening, and a sealing gasket is arranged between the lateral pipe opening and the sealing cover.

3. A leak-proof piping system for construction drainage as set forth in claim 1, wherein:

the bottom of the main pipeline is also provided with a switching pipe sleeve, the upper end part of the switching pipe sleeve is a single-layer cylinder wall, and the lower end part of the switching pipe sleeve is provided with an internal annular slot;

the upper end part of the switching pipe sleeve is matched and spliced with the lower end part of the connecting piece;

the lower end part of the switching pipe sleeve is matched and spliced with the water inlet end part of the elbow pipe fitting.

4. A leak-proof piping system for construction drainage as set forth in claim 3, wherein:

wherein, the pipe, the connecting piece, the elbow pipe fitting and the adapter pipe are respectively provided with a thickened outer wall at the position corresponding to the inner annular slot;

the outer surface of the thickened outer wall is provided with a plurality of reinforcing ribs extending axially.

5. A leak-proof piping system for construction drainage as set forth in claim 1, wherein:

the left end part and the right end part of the connecting piece are respectively connected with the branch pipelines through sleeves;

the two ends of the sleeve are respectively provided with an internal thread;

external threads are arranged at the connecting end part of the branch pipeline and the left end part and the right end part of the connecting piece;

the sleeve is in threaded connection with the branch pipeline and the connecting piece respectively.

6. A leak-proof piping system for construction drainage as set forth in claim 1, wherein:

wherein, the top of trunk line is installed the ventilative cap.

Technical Field

The invention relates to the technical field of building drainage, in particular to a leakage-proof pipeline system for building drainage.

Background

In the field of drainage systems of modern buildings, the hard polyvinyl chloride PVC-U pipe and the PVC-U pipe fitting have the characteristics of light weight, low price, convenient installation, corrosion resistance and the like. The building drainage system constructed by the PVC-U pipe and the PVC-U pipe is widely popularized and applied in recent years. Because the PVC-U pipe and the PVC-U pipe are usually connected and fixed by coating an adhesive after two pipe orifices are sleeved, the leakage phenomenon sometimes caused by aging failure of the adhesive or expansion with heat and contraction with cold sometimes occurs between the conventional PVC-U pipe and the pipe, and the use safety of a drainage system is influenced.

Disclosure of Invention

The present invention has been made to solve the above problems, and an object of the present invention is to provide a leakage-proof piping system for building drainage.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a leakage-proof pipeline system for building drainage, which is characterized by comprising the following components: a main pipeline which is vertically arranged and branch pipelines which are horizontally arranged on each floor; the top of the main pipeline is exposed on the roof of the building; the main pipeline comprises a plurality of pipe and connecting piece connecting structures and a plurality of pipe and pipe connecting structures; the bottom of the main pipeline is connected with a sewage pipeline through an elbow pipe fitting; the lower end part of the pipe, the lower end part of the connecting piece and the water outlet end part of the elbow pipe fitting are all provided with internal annular slots; the upper end part of the pipe, the upper end part of the connecting piece, the water inlet end part of the elbow pipe fitting and the water inlet end of the sewage discharge pipeline are respectively arranged into a single-layer cylinder wall which is matched and spliced with the inner annular slot; the connecting pieces are respectively arranged corresponding to each floor, the left end part and the right end part of each connecting piece are respectively connected with branch pipelines, and the branch pipelines are connected with sanitary ware.

The leakage-proof pipeline system for building drainage provided by the invention can also have the following characteristics: the inspection port at least comprises an upper inspection port arranged at the upper end of the main pipeline and a lower inspection port arranged at the lower end of the main pipeline; the inspection port comprises a lateral pipe orifice communicated with the pipe, a sealing plug arranged inside the lateral pipe orifice and a sealing cover arranged at the end part of the lateral pipe orifice; a limiting flange is formed between the lateral pipe orifice and the pipe wall of the pipe, and the sealing plug is matched with the limiting flange and clamped and installed; the outer wall of the lateral pipe opening is provided with external threads, the sealing cover is provided with internal threads, the sealing cover is in threaded connection with the screw cover to be covered on the lateral pipe opening, and a sealing gasket is arranged between the lateral pipe opening and the sealing cover.

The leakage-proof pipeline system for building drainage provided by the invention can also have the following characteristics: the bottom of the main pipeline is also provided with a switching pipe sleeve, the upper end part of the switching pipe sleeve is a single-layer cylinder wall, and the lower end part of the switching pipe sleeve is provided with an internal annular slot; the upper end part of the switching pipe sleeve is matched and spliced with the lower end part of the connecting piece; the lower end part of the switching pipe sleeve is matched and spliced with the water inlet end part of the elbow pipe fitting.

The leakage-proof pipeline system for building drainage provided by the invention can also have the following characteristics: wherein, the pipe, the connecting piece, the elbow pipe fitting and the adapter pipe are respectively provided with a thickened outer wall at the position corresponding to the inner annular slot; the outer surface of the thickened outer wall is provided with a plurality of reinforcing ribs extending axially.

The leakage-proof pipeline system for building drainage provided by the invention can also have the following characteristics: wherein, the left end part and the right end part of the connecting piece are respectively connected with the branch pipelines through the sleeves; the two ends of the sleeve are respectively provided with an internal thread; external threads are arranged at the connecting end part of the branch pipeline and the left end part and the right end part of the connecting piece; the sleeve is respectively in threaded connection with the branch pipeline and the connecting piece.

The leakage-proof pipeline system for building drainage provided by the invention can also have the following characteristics: wherein, the top of the main pipeline is provided with a ventilation cap.

The invention has the following functions and effects:

the invention provides a leakage-proof pipeline system for building drainage, wherein the lower end part of a pipe, the lower end part of a connecting piece, the lower end part of a switching pipe sleeve and the water outlet end part of an elbow pipe fitting are respectively provided with an internal annular slot, the upper end part of the pipe, the upper end part of the connecting piece, the upper end part of the switching pipe sleeve 3, the water inlet end part of the elbow pipe fitting and the water inlet end of a sewage discharge pipeline are respectively arranged into a single-layer cylinder wall, a structure positioned at the upstream is matched and spliced with the single-layer cylinder wall positioned at the downstream structure through the internal annular slot, when in use, the water flow flows down along the inner wall of the annular slot pipe, can not directly wash the connecting gap and can not flow back into the annular slot, even if adhesive is leaked and coated or aged, the adhesive cannot leak, and the adhesive is left at the slot position and cannot be extruded away in the inserting process of inserting the single-layer cylinder wall into the annular slot, so that the bonding quality is also ensured. Meanwhile, the upper part and the lower part are spliced through the annular slot pipes, so that the displacement is not easy to occur under the condition of thermal expansion and cold contraction, and the infiltration condition is avoided. In addition, the pipe, the connecting piece, the elbow pipe fitting and the adapter sleeve are respectively provided with a thickened outer wall at the position corresponding to the inner annular slot, and the outer surface of the thickened outer wall is provided with a plurality of axially extending reinforcing ribs, so that the joint is high in strength and stable in structure.

Drawings

FIG. 1 is a schematic structural view of a leakage preventing piping system for drainage of a building in example 1 of the present invention;

FIG. 2 is a cross-sectional structural view at A in FIG. 1;

FIG. 3 is a cross-sectional structural view at B in FIG. 1;

FIG. 4 is a cross-sectional structural view at C in FIG. 1;

FIG. 5 is a cross-sectional structural view taken at D in FIG. 1;

fig. 6 is a schematic view showing the connection relationship of the bottom structure of the main pipe in embodiment 2 of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described with reference to the attached drawings.

< example 1>

The leakproof pipeline system for the building drainage of the embodiment is a PVC-U pipeline system, wherein each pipe and each pipe fitting are made of PVC-U plastics. As shown in fig. 1, the leakage preventing piping system for building drainage includes: the main pipeline is vertically arranged, and the branch pipelines 8 and 9 are horizontally arranged on each floor, the structure of two floors is only illustrated in the figure, but not limited by the structure, and the number and the positions of the branch pipelines are arranged according to the actual condition of the building floor. The top of the main pipe is exposed on the building roof and the top is fitted with an aeration cap 10. The main pipeline comprises a plurality of connecting structures of the pipes 1 and the connecting pieces 2 and a plurality of connecting structures of the pipes 1 and the pipes 1. The bottom of the main pipeline is provided with a switching pipe sleeve 3, the upper end part of the switching pipe sleeve 3 is connected with the lower end part of the connecting piece 2, the lower end part of the switching pipe sleeve 3 is connected with the water inlet end part of the elbow pipe fitting 4, and the water outlet end of the elbow pipe fitting 4 is connected with a sewage discharge pipeline 5. In this embodiment, the elbow pipe 4 is a 90-degree elbow pipe.

As shown in fig. 3 to 5, the lower end of the tube 1 is provided with an inner annular slot 1 a; the lower end part of the connecting piece 2 is provided with an inner annular slot 2 a; the lower end part of the switching pipe sleeve 3 is provided with an inner annular slot 3 a; the outlet end of the elbow fitting 4 is provided with an internal annular socket 4 a. The pipe 1, the connecting piece 2, the elbow pipe fitting 4 and the switching pipe sleeve 3 are respectively provided with thickened outer walls at positions corresponding to the inner annular inserting grooves. The outer surface of the thickened outer wall is provided with a plurality of reinforcing ribs extending axially. The upper end part of the pipe 1, the upper end part of the connecting piece 2, the upper end part of the switching pipe sleeve 3, the water inlet end part of the elbow pipe fitting 4 and the water inlet end of the sewage discharge pipeline 5 are respectively arranged into single-layer cylinder walls. The pipe 1 and the pipe 1, the pipe 1 and the connecting piece 2, the connecting piece 2 and the switching pipe sleeve 3, the switching pipe sleeve 3 and the elbow pipe fitting 4 are respectively matched, spliced and connected with the single-layer cylinder wall of the downstream structure through the inner annular slot of the upstream structure, and are further fixed by applying an adhesive.

The connecting pieces 2 are respectively arranged corresponding to each floor, the left end part and the right end part of each connecting piece 2 are respectively connected with branch pipelines, and the branch pipelines are connected with sanitary wares 6. The left end and the right end of the connecting piece 2 are respectively connected with the branch pipeline 8 and the branch pipeline 9 through a sleeve 11. Both ends of the sleeve 11 are provided with internal threads, respectively. The left end and the right end of the connecting end of the branch pipeline and the connecting piece 2 are provided with external threads, and the sleeve 11 is in threaded connection with the branch pipeline and the connecting piece 2 respectively. The connecting piece 2 can adopt a four-way structure or a three-way structure according to actual conditions.

The main pipeline is provided with an inspection opening, and the inspection opening at least comprises an upper inspection opening 71 arranged at the upper end of the main pipeline and a lower inspection opening 72 arranged at the lower end of the main pipeline. As shown in fig. 2, the inspection port 71 includes a lateral nozzle 711 communicating with the tube 1, a sealing plug 712 mounted inside the lateral nozzle, and a sealing cover 713 mounted on an end of the lateral nozzle. A limiting flange is formed between the lateral pipe orifice 711 and the pipe wall of the pipe 1, and the sealing plug 712 is matched with the limiting flange and clamped and installed. The outer wall of the lateral pipe orifice 711 is provided with an external thread 711a, the sealing cover 713 is provided with an internal thread 713b, the sealing cover 713 is screwed and screwed on the lateral pipe orifice 711, and a sealing gasket 714 is arranged between the lateral pipe orifice and the sealing cover.

< example 2>

The embodiment provides a leakage-proof pipeline system for building drainage, and the pipeline system of the embodiment is different from the pipeline system of the embodiment 1 in that: as shown in fig. 6, in this embodiment, the adapter sleeve 3 is not used, and in this embodiment, the elbow pipe 4 and the connector 2 are directly connected by plugging. The structure of the embodiment is suitable for the condition that the size of the elbow pipe fitting 4 is matched with the size of the connecting piece 2. When the elbow fitting 4 and the connecting piece 2 are not matched in size, the adapter sleeve 3 of embodiment 1 is preferably used, and different sizes of connections are matched through different sizes of adapter sleeves 3.

The above embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.