CN218625825U - Building drainage antiseep connecting piece - Google Patents

Abstract

The utility model discloses a building drainage antiseep connecting piece relates to building drainage technical field. A building drainage antiseep connecting piece comprises a connecting pipe and a connector which are matched with each other, wherein the connecting pipe is screwed on a drainage pipeline, and the connector is arranged in the connecting pipe; conical channels are formed at two ends of the connecting pipe, a straight channel is formed inside the connecting pipe, the straight channel is communicated with the conical channels, and annular cavities are formed at two ends of the connecting pipe; the connector comprises a first ring pipe, one side of the first ring pipe is connected with a second ring pipe, a frustum pipe is connected inside the second ring pipe, the frustum pipe is a circular truncated cone pipe, and the frustum pipe is matched with the conical channel. The utility model discloses the leakproofness is fine, stops the infiltration condition basically, its simple structure, low in manufacturing cost, and the operation is also convenient, need not to use the bolt fastening.

Description

Building drainage antiseep connecting piece

Technical Field

The utility model relates to a building drainage technical field specifically is a building drainage antiseep connecting piece.

Background

The building drainage system is used for draining sewage in residential buildings, public buildings and production buildings. The drainage system inside the building is generally composed of a water receiver of a sanitary ware or a production facility, a drainage pipeline, a clearing facility, an air duct, a sewage and wastewater lifting device and a local treatment structure. The drainage system in the building is divided into a single-stand pipe drainage system, a double-stand pipe drainage system and a three-stand pipe drainage system according to the arrangement conditions of the vertical drainage pipes and the vent pipes. The sewage discharged by the building drainage system should meet the sewage discharge conditions specified by the relevant national standards and standards.

The utility model discloses a china utility model patent of grant bulletin number "CN206973110U" discloses a water supply and drainage pipeline anticorrosion antiseep connecting piece, and it contains the connecting pipe that each mouth of pipe department all was provided with the ring flange, is provided with the rubber inside lining in the connecting pipe, all is provided with the flanging at every port department of rubber inside lining and covers the terminal surface that corresponds the ring flange, the position that every bolt hole corresponds on flanging and the ring flange also is provided with the bolt hole, the diameter of the bolt hole on the flanging is greater than the diameter of the bolt hole on the ring flange.

At present, a connecting piece for a water supply and drainage pipeline is mainly connected through a pair of flanges, and the leakage is easy to occur when a water source flows due to the fact that the tightness of the flange connection mode is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building drainage antiseep connecting piece to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a building drainage antiseep connecting piece comprises a connecting pipe and a connector which are matched for use, wherein the connector is screwed on a drainage pipeline, and the connector is arranged in the connecting pipe;

conical channels are formed at two ends of the connecting pipe, a straight channel is formed inside the connecting pipe, the straight channel is communicated with the conical channels, and annular cavities are formed at two ends of the connecting pipe;

the connector comprises a first ring pipe, one side of the first ring pipe is connected with a second ring pipe, a frustum pipe is connected inside the second ring pipe, the frustum pipe is a circular truncated cone pipe, the frustum pipe is matched with the conical channel, and the wall thickness of the second ring pipe is the same as that of the annular cavity.

As the preferable technical scheme in the application, the inner wall of the second annular pipe is provided with a first internal thread, the inner wall of the annular cavity is provided with a first internal thread, and the first internal thread is matched with the first internal thread.

As a preferable technical scheme in the application, an annular hole is formed in the side face, away from the second annular pipe, of the first annular pipe, and second internal threads are arranged in the annular hole.

As a preferred technical scheme in the application, the diameter of the end, close to the straight channel, of the conical channel is the same as that of the straight channel.

As a preferable technical scheme in the application, the part of the frustum pipe extending into the second annular pipe is connected with the inner wall of the second annular pipe in a sealing mode.

As the preferred technical scheme in this application, be equipped with outer thread groove on drainage pipe's the end lateral surface, outer thread groove with second internal thread looks adaptation.

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

this building drainage antiseep connecting piece, including connecting pipe and two connectors, back swivelling joint head in the connecting pipe is inserted to the connector, the frustum pipe is tightly embedded into the awl passageway, eliminate the clearance between frustum pipe outer wall and the awl passageway, the connecting pipe port is located the inside part of annular chamber and also can imbed between frustum pipe and the second ring pipe, water can only enter into first ring pipe from the frustum pipe, the leakproofness is fine, stop the infiltration condition basically, the steam generator is simple in structure, low in manufacturing cost, the operation is also convenient, need not to use the bolt fastening.

Drawings

FIG. 1 is a schematic view of the installation structure of the connecting member and the drainage pipeline of the present invention;

fig. 2 is a schematic view of the internal structure of the connector of the present invention;

FIG. 3 is a schematic cross-sectional view of the connecting tube of the present invention;

fig. 4 is a schematic view of a first three-dimensional structure of the connector of the present invention;

fig. 5 is a schematic diagram of a second three-dimensional structure of the connector according to the present invention.

In the figure: 1. a connecting pipe; 101. a straight channel; 102. a tapered channel; 103. an annular cavity; 2. a pipeline; 3. a connector; 301. a first grommet; 302. a second collar pipe; 303. a frustum tube; 304. a first internal thread; 305. a second internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-5, the utility model provides a technical solution: a building drainage antiseep connecting piece comprises a connecting pipe 1 and a connector 3 which are matched with each other, wherein the connector 3 is screwed on a drainage pipeline 2, and then the connector 3 is installed in the connecting pipe 1; the sealing connection between the drainage pipelines 2 is completed, the use is fast and convenient, the sealing effect is good, and the leakage is not easy to occur. And the connecting pipe 1 and the connector 3 are both made of PVC or stainless steel, so that the connecting pipe is corrosion-resistant and has long service life.

As shown in fig. 3, tapered channels 102 are formed at both ends of the connecting tube 1, a straight channel 101 is formed inside the connecting tube 1, the straight channel 101 is communicated with the tapered channels 102, the diameter of the port of the tapered channel 102 close to the straight channel 101 is the same as that of the straight channel 101, and annular cavities 103 are formed at both ends of the connecting tube 1; because the special cone channel 102 is a circular truncated cone cavity, the frustum tube 303 is embedded into the cone channel 102, water seepage is not easy to occur, and the sealing performance is better.

As shown in fig. 4 and 5, the connector 3 includes a first collar 301, a second collar 302 is connected to one side of the first collar 301, a frustum pipe 303 is connected to the inside of the second collar 302, the first collar 301, the second collar 302 and the frustum pipe 303 are formed by injection molding integrally, the frustum pipe 303 is a truncated cone pipe, the frustum pipe 303 is adapted to the tapered channel 102, the wall thickness of the second collar 302 is the same as that of the annular cavity 103, it is to be understood that a portion of the frustum pipe 303 extending into the second collar 302 is in sealed connection with the inner wall of the second collar 302, that is, an annular piece is integrally formed on one end of the frustum pipe 303 inside the second collar 302, the annular piece is connected with the inner wall of the second collar 302, and water can only enter the frustum pipe 303 and cannot overflow into a cavity between the outer side of the frustum pipe 303 and the inner side of the second collar 302, that is, i.e., the cavity where the first internal thread 304 is located.

As a specific embodiment, as shown in fig. 4, the inner wall of the second collar pipe 302 is provided with a first internal thread 304, the inner wall of the annular cavity 103 is provided with a first internal groove, the first internal thread 304 is matched with the first internal groove, when the connector 3 is installed, the connector 3 is inserted into the port of the connecting pipe 1, at this time, the frustum pipe 303 is inserted into the cone channel 102, the second collar pipe 302 is inserted into the annular cavity 103, then the connector 3 is rotated, because the first internal thread 304 on the connector 3 is matched with the first internal groove in the annular cavity 103, the second collar pipe 302 is screwed into the annular cavity 103, at the same time, the frustum pipe 303 is tightly inserted into the cone channel 102, the gap between the outer wall of the frustum pipe and the cone channel 102 is eliminated, at this time, the part of the port of the connecting pipe 1 located inside the annular cavity 103 is also inserted between the frustum pipe 303 and the second collar pipe 302, water can only enter the first collar pipe 301 from the frustum pipe 303, the sealing performance is good, and the situation of water seepage is basically avoided.

As a specific example, as shown in fig. 5, a ring hole is formed on a side surface of the first collar 301 away from the second collar 302, the ring hole does not penetrate through the first collar 301, and a second internal thread 305 is formed in the ring hole. It should be noted that an outer spiral groove is formed in the outer side surface of the end of the drainage pipeline 2, the outer spiral groove is matched with the second internal thread 305, specifically, the annular hole of the connector 3 is inserted into the pipe orifice of the drainage pipeline 2, then the connector 3 is rotated, the connector 3 is screwed into the drainage pipeline 2, and at this time, the pipe orifice of the drainage pipeline 2 is located in the annular hole.

When the connecting piece is used for connecting two drainage pipelines 2, firstly, the connecting head 3 is inserted into the port of the connecting pipe 1, then, the connecting head 3 is rotated, as the first internal thread 304 on the connecting head 3 is matched with the first internal thread groove in the annular cavity 103, the second ring pipe 302 is screwed into the annular cavity 103, the frustum pipe 303 is tightly embedded into the cone channel 102, the gap between the outer wall of the frustum pipe 303 and the cone channel 102 is eliminated, at the moment, the part of the port of the connecting pipe 1, which is positioned in the annular cavity 103, can be also embedded between the frustum pipe 303 and the second ring pipe 302, and then, the ports of the two drainage pipelines 2 are respectively screwed into the annular cavity 103 at the connecting head 3. Or the first connector 3 can be firstly installed on the first drainage pipeline 2, then the connecting pipe 1 is connected with the first connector 3, then the second connector 3 is installed on the connecting pipe 1, and finally the second drainage pipeline 2 is installed on the second connector 3, and the specific installation sequence is flexibly determined according to the actual pipeline length and the field situation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a building drainage antiseep connecting piece which characterized in that: the device comprises a connecting pipe (1) and a connector (3) which are matched for use, wherein the connector (3) is screwed to a drainage pipeline (2), and the connector (3) is arranged in the connecting pipe (1); conical channels (102) are formed at two ends of the connecting pipe (1), a straight channel (101) is formed inside the connecting pipe (1), the straight channel (101) is communicated with the conical channels (102), and annular cavities (103) are formed at two ends of the connecting pipe (1); the connector (3) comprises a first ring pipe (301), one side of the first ring pipe (301) is connected with a second ring pipe (302), a frustum pipe (303) is connected inside the second ring pipe (302), the frustum pipe (303) is a truncated cone pipe, the frustum pipe (303) is matched with the conical channel (102), and the wall thickness of the second ring pipe (302) is the same as that of the annular cavity (103).

2. The water drainage and leakage-proof connector for building as claimed in claim 1, wherein: the inner wall of the second annular pipe (302) is provided with a first internal thread (304), the inner wall of the annular cavity (103) is provided with a first internal groove, and the first internal thread (304) is matched with the first internal groove.

3. The water drainage and leakage-proof connector for building as claimed in claim 1, wherein: an annular hole is formed in the side face, away from the second ring pipe (302), of the first ring pipe (301), and a second internal thread (305) is arranged in the annular hole.

4. The water drainage and leakage-proof connector for building as claimed in claim 1, wherein: the diameter of the end opening of the conical channel (102) close to the straight channel (101) is the same as the diameter of the straight channel (101).

5. The water drainage and leakage-proof connector for building as claimed in claim 1, wherein: the part of the frustum tube (303) extending into the second ring tube (302) is in sealed connection with the inner wall of the second ring tube (302).

6. The water drainage and leakage-proof connector for building as claimed in claim 3, wherein: an outer thread groove is formed in the outer side face of the end of the drainage pipeline (2), and the outer thread groove is matched with the second internal thread (305).

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