CN214744042U

CN214744042U - Adapter of lower drain pipe

Info

Publication number: CN214744042U
Application number: CN202120119363.2U
Authority: CN
Inventors: 张小羊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-16
Filing date: 2021-01-16
Publication date: 2021-11-16
Anticipated expiration: 2031-01-16

Abstract

The invention discloses an adapter of a lower drainage pipe, which comprises a main adapter body, wherein the main adapter body is provided with a main water inlet end and a main water outlet end, a main water passage which is communicated with each other is arranged between the main water inlet end and the main water outlet end, and a cylindrical filtering device is arranged in the main water passage; a stop baffle disc which is in threaded connection with the main water outlet end or integrally formed with the main water outlet end is arranged below the main water outlet end, a connecting part is arranged on the stop baffle disc downwards, a sealing sleeve is sleeved outside the connecting part, and the upper part of the sealing sleeve extends outwards to form an outer circle part with the outer diameter not smaller than that of the stop baffle disc; the main water inlet end is connected with the secondary joint body or directly connected with a tight fitting joint, and the tight fitting joint is tightly matched and connected with the outlet of the lower drainage pipe. The adapter for the lower drainage pipe is designed, can realize effective sealing and fixing of the lower drainage pipe and a floor drain or a sewer pipe, can facilitate interface expansion and impurity filtration, meets the long-time drainage requirement of a plurality of lower drainage pipes, and has the characteristics of simple and practical structure.

Description

Adapter of lower drain pipe

Technical Field

The invention relates to an adapter, in particular to an adapter of a lower drainage pipe.

Background

In the use process of appliances such as washing machines, sinks, washbasins and the like, in order to avoid polluting the ground environment, the lower drainage pipe needs to be introduced into a floor drain or a sewer pipe.

However, at present, the tail end of the existing lower drainage pipe is directly inserted into a connecting hole of a floor drain cover plate or a sewer pipe, the positioning and sealing effects of the connecting mode are poor, and the overflow condition is easy to occur.

In addition, the existing connection mode of the direct-insertion floor drain or sewer pipe of the sewer pipe enables one floor drain or sewer pipe to be only connected with one sewer pipe, and the requirement for simultaneous drainage of a plurality of sewer pipes such as a washing machine, a water tank, a washbasin and the like in actual use cannot be met, so that great inconvenience is brought to actual use.

Disclosure of Invention

Aiming at the problems, the invention designs the adapter of the lower drainage pipe, which can realize the effective sealing and the fixed connection of the lower drainage pipe and a floor drain or a sewer pipe, is convenient for interface expansion and impurity filtration, meets the long-time drainage requirement of a plurality of lower drainage pipes, and has the characteristics of simple and practical structure.

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

the utility model provides a lower drain pipe's adapter which characterized in that: the water purifier comprises a main joint body, wherein the main joint body is provided with a main water inlet end and a main water outlet end, a main water passage which is communicated with each other is arranged between the main water inlet end and the main water outlet end, and a cylindrical filtering device is arranged in the main water passage; a stop baffle disc which is in threaded connection with the main water outlet end or integrally formed with the main water outlet end is arranged below the main water outlet end, a connecting part is arranged on the stop baffle disc downwards, a sealing sleeve is sleeved outside the connecting part, and the upper part of the sealing sleeve extends outwards to form an outer circle part with the outer diameter not smaller than that of the stop baffle disc; the main water inlet end is connected with the secondary joint body or directly connected with a tight fitting joint, and the tight fitting joint is tightly matched and connected with the outlet of the lower drainage pipe.

More specifically, the filtering device comprises a cylindrical filtering net rack and a positioning plug, wherein the filtering net rack and the positioning plug are integrally formed or in threaded connection or close fit connection; the outer wall of the filter screen frame is uniformly provided with filter holes communicated with the inner holes of the filter screen frame, the filter screen frame is provided with a lower opening which is directly communicated with the opening part of the main water passage, the outer side of the lower opening is provided with a connecting outer edge, and the connecting outer edge is abutted against a stop flange arranged on the opening part of the main water passage; the positioning plug is in threaded or tight-fit connection with the mounting hole in the top of the main joint body to realize the limiting installation of the filter screen frame.

More specifically, the secondary joint body is provided with at least two secondary water inlet ends and a secondary water outlet end, and a secondary water passage which is communicated with each other is arranged between the secondary water inlet end and the secondary water outlet end; the secondary water outlet end is connected with the primary water inlet end through a primary threaded structure, and a sealing rubber ring is arranged at the joint of the secondary water outlet end and the primary water inlet end; the secondary water inlet end is connected with a tight-fit joint or a sealing plug, and the tight-fit joint is tightly matched and connected with an outlet of the lower drainage pipe.

More specifically, above-mentioned main thread structure includes main external screw thread of connecting and main internal thread of connecting, and main external screw thread of connecting and main internal thread of connecting select to set up inferior water outlet end with on the main water inlet end.

More specifically, the secondary water outlet end and the primary water inlet end are provided with a primary thread idle running gap on the inner side of the primary connection external thread or the primary connection internal thread, the length of the primary thread idle running gap is greater than that of the primary connection external thread and that of the primary connection internal thread, and the primary connection external thread and the primary connection internal thread are completely separated after rotating into the primary thread idle running gap.

More specifically, the sub-joint bodies are multiple, in two adjacent sub-joint bodies, the sub-water outlet end of the next sub-joint body is connected with one of the sub-water inlet ends of the previous sub-joint body through a sub-thread structure, and a sealing rubber ring is arranged at the joint of the sub-water outlet end and the sub-water inlet end.

More specifically, above-mentioned inferior helicitic texture is including inferior connection external screw thread and inferior connection internal thread, and inferior connection external screw thread and inferior connection internal thread alternative setting are in inferior water outlet end and inferior water intaking are served.

More specifically, above-mentioned inferior end of intaking, inferior end of intaking are equipped with inferior screw thread idle running clearance in the inboard that sets up inferior connection external screw thread or inferior connection internal thread, and the length in inferior screw thread idle running clearance is greater than the length of inferior connection external screw thread and the length of inferior connection internal thread, inferior connection external screw thread and inferior connection internal thread are rotatory to be gone into inferior screw thread idle running clearance after both will separate completely.

More specifically, the sealing sleeve is in tight fit connection or threaded connection with the connecting part of the stop baffle disc.

More specifically, the bottom of the outer circular portion gradually rises in height from the inside to the outside.

More specifically, the tight coupling joint is formed by connecting a plurality of tapered sections with gradually increasing outer diameters; the tight-fitting joint is sleeved with a rubber expanding sleeve, and the outer diameter of the expanding sleeve is continuously increased from outside to inside.

More specifically, the outlet of the main water passage at the water outlet end of the main joint body is provided with a pressurizing extension head, and the outlet of the pressurizing extension head is positioned right above the sealing cover of the deodorization core.

The adapter designed by the invention comprises a main adapter body and an auxiliary adapter body, wherein a filter device is arranged in a main water passage of the main adapter body so as to effectively filter impurities such as hair and the like, and the adapter can be conducted for a long time.

In use, the main water inlet end of the main joint or the secondary water inlet end of the secondary joint is connected with the lower drainage pipe through the tight fitting joint, the main water outlet end of the main joint is connected with the floor drain or the sewer pipe through the stop baffle disc and the sealing sleeve, the adapter is arranged in a switching mode, the sealing connection between the lower drainage pipe and the floor drain or the sewer pipe can be effectively guaranteed, the anti-return water and deodorization function is achieved, and the whole adapter has the characteristics of convenience in connection, simple structure and practicability.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2, a cross-sectional view of the present invention;

FIG. 3 is a schematic perspective view of the main joint body of the present invention;

FIG. 4 is a schematic perspective view of a screen frame according to the present invention;

FIG. 5 is a schematic perspective view of the sub-adapter body of the present invention;

fig. 6 is a schematic perspective view of a secondary water inlet end of the secondary joint body provided with a sealing plug according to the present invention.

FIG. 7 is a schematic perspective view of a non-connected sub-adapter body of the present invention;

FIG. 8 is a schematic perspective view of the present invention with two sub-coupling bodies;

FIG. 9 is a cross-sectional view of the invention of FIG. 8;

FIG. 10 is a schematic perspective view of another embodiment of the present invention having two sub-connector bodies;

FIG. 11 is a schematic perspective view of the present invention with three sub-coupling bodies;

FIG. 12 is an enlarged view of a portion A of FIG. 2 according to the present invention;

FIG. 13 is an enlarged partial view of the portion B of FIG. 9 according to the present invention;

FIG. 14 is a cross-sectional view of a pressurized extension head of the present invention.

Detailed Description

As shown in fig. 1-5, an adapter for a sewer pipe comprises a main adapter body 1, wherein the main adapter body 1 is provided with a main water inlet end 11 and a main water outlet end 12, a main water passage 13 is arranged between the main water inlet end 11 and the main water outlet end 12, and a cylindrical filtering device 2 is arranged in the main water passage 13.

In this illustration, the filtering device 2 includes a cylindrical filtering net frame 21 and a positioning plug 22, the filtering net frame 21 and the positioning plug 22 are integrally formed or connected by screw threads or tightly fitted, and the filtering net frame 21 and the positioning plug 22 are tightly fitted and supported by each other in this illustration. And the outer wall of the filter net rack 21 is uniformly provided with filter holes 211 communicated with the inner holes of the filter net rack. The top of the main joint body 1 is provided with a mounting hole 14 communicated with the main water passage 13, the filter screen frame 21 is mounted in the main water passage 13 from the mounting hole 14, the lower part of the filter screen frame 21 is provided with a lower opening 212 directly communicated with the opening of the main water passage, the outer side of the lower opening 212 is provided with a connecting outer edge 213, and the connecting outer edge 213 is abutted and connected with a stop flange 131 arranged on the opening of the main water passage 13 after mounting. The positioning plugs 22 are in threaded or tight fit connection with the mounting holes 14, and the lower parts of the positioning plugs 22 are abutted against the top of the filter screen frame 21 after being mounted in place.

The arrangement of the filtering device can effectively filter the drainage flowing through the main water passage 13, and avoid the blockage of the main water passage 13 caused by impurities such as hair. Here, the above cylindrical filter screen frame 21 forms a three-dimensional filter surface, which not only enlarges the filter surface by times, but also, most importantly, even if impurities are accumulated on the lower part of the filter screen frame 21, the drainage can still flow through the filter holes 211 above the filter screen frame 21, thereby effectively increasing the storage capacity of the dirt and reducing the cleaning frequency of the dirt. When sundries are cleaned, the filter screen frame 21 can be taken out for cleaning only by removing the positioning plugs 22, and the operation is simple and convenient.

Here, in order to facilitate the rotation of the positioning plug 22, a toggle ratchet 221 is disposed on an outer wall of the positioning plug 22.

A stop baffle disc 3 which is connected with the main water outlet end 12 in a threaded manner or is integrally formed is arranged below the main water outlet end. In practice, considering the convenience of product processing, both generally adopt a screw connection structure, an upper extension portion 31 is provided above the stop plate 3, and an external screw 311 provided on the upper extension portion 31 is connected with the internal screw 132 at the mouth of the main water passage 13.

Stop position fender dish 3 and be equipped with connecting portion 32 down, the cover is equipped with seal cover 4 in the connecting portion 32 outside, and seal cover 4 installs on connecting portion 31 through the mode of screw thread or tight fit, adopts threaded connection in this picture, also can be according to the direct tight fit connection of use needs in reality. An outer circle part 41 with the outer diameter not smaller than the stop baffle disc 3 is formed by extending the upper part of the sealing sleeve 4 outwards.

In use, the sealing sleeve 4 is directly inserted into the floor drain or sewer pipe to achieve effective connection, and the lower surface of the outer circular part 41 is tightly attached to the surface of the floor drain cover or the mouth of the sewer pipe to achieve sealing connection. Here, in order to obtain a better sealing effect, the bottom of the outer circular portion 41 is gradually raised from the inside to the outside in height, so that a certain gathering sealing effect can be formed when it is assembled.

The main water inlet end 11 can be directly connected with the tight fitting joint 5, the tight fitting joint is tightly fitted and connected with the outlet of the lower drainage pipe, the structure of the tight fitting joint is as shown in fig. 7, and the tight fitting joint is only used for being connected with a single lower drainage pipe. And in order to obtain better connection effect, the tight coupling head is formed by connecting a plurality of conical sections 5a with gradually increasing outer diameters. In addition, considering that the different specifications of the lower drainage pipes have great difference, in order to meet the connection requirements of some large-caliber drainage pipes, a rubber expanding sleeve 6 with the outer diameter continuously increased from outside to inside can be sleeved outside the tight fitting joint, so that the connection requirements of various large-size drainage pipes can be met.

In order to meet the drainage requirement of more than one lower drainage pipe, the main water inlet end 11 is connected with the secondary joint body 7, and the structure of the secondary joint body is shown in figures 1, 2, 5 and 12.

The secondary joint body 7 is provided with at least two secondary water inlet ends 71 and a secondary water outlet end 72, and a secondary water passage 73 communicated with each other is arranged between the secondary water inlet end 71 and the secondary water outlet end 72.

The secondary water outlet end 72 is connected with the primary water inlet end 11 through a primary thread structure. The main thread structure comprises a main connecting external thread 81 and a main connecting internal thread 82, wherein the main connecting external thread 81 and the main connecting internal thread 82 are alternatively arranged on the secondary water outlet end 72 and the main water inlet end 11.

In the present illustration, the main connecting external thread 81 is disposed on the secondary water outlet end 72, and the main connecting internal thread 82 is disposed on the primary water inlet end 11, and the arrangement positions of the two can be interchanged in practice. In order to ensure the connection sealing performance of the main joint body 1 and the secondary joint body 7, a sealing rubber ring 7a is arranged at the joint of the main joint body and the secondary joint body.

Meanwhile, considering the requirement of facilitating multi-angle connection of the secondary joint body in use, the secondary water outlet end 72 and the primary water inlet end 11 are provided with a primary thread idle running gap 8a on the inner side of the primary connection external thread 81 or the primary connection internal thread 82, and the length of the primary thread idle running gap 8a is greater than that of the primary connection external thread 81 and that of the primary connection internal thread 82. In use, once the assembly is completed, the main connecting external thread 81 and the main connecting internal thread 82 respectively and completely enter the main thread idle running gap 8a to be completely separated, and at the moment, the secondary joint body 7 can freely rotate 360 degrees relative to the main joint body 1, so that the requirement of multi-angle connection of the lower drainage pipe can be met.

The secondary water inlet end 71 is connected with a close-fitting joint 5 or a sealing plug 71a, and the close-fitting joint 5 is closely connected with an outlet of the lower drainage pipe in a fitting manner. In this illustration, two secondary inlet ends 71 are provided with tight fitting fittings that meet the use requirements of two underdrain pipes. As shown in fig. 6, a tight fitting joint 5 is arranged on one secondary water inlet end 71, and a sealing plug 71a is arranged on the other secondary water inlet end 71, so that the structure is only used for meeting the drainage requirement of one lower drainage pipe.

Also, the tight fitting joint 5 is formed by joining a plurality of tapered segments 5a having gradually increasing outer diameters in consideration of the effectiveness and sealability of the connection. Similarly, in order to meet the connection requirements of some large-diameter drain pipes, a rubber expanding sleeve 6 with the outer diameter increasing from outside to inside can be sleeved outside the close-fit joint 5, so that the connection requirements of various large-size drain pipes can be met.

In addition, in order to meet the use requirements of more drain pipes, the upper sub-coupling body 7 may be provided in plurality, as shown in fig. 8, 9, 10 and 13, as a schematic view of providing two sub-coupling bodies 7, as shown in fig. 11, as a schematic view of providing three sub-coupling bodies 7. In the above structure, in two adjacent sub-joint bodies 7, the sub-water outlet end 72 of the next sub-joint body 7 is connected with one of the sub-water inlet ends 71 of the previous sub-joint body 7 through a sub-thread structure, and a sealing rubber ring 71b is arranged at the connection position of the two sub-water inlet ends.

In practice, the number of sub-connector bodies is set according to the specific number of the lower drainage pipes, and the structure and the connection mode are the same as those of the above embodiment, so that the description is not repeated.

The secondary thread structure comprises a secondary connecting external thread 91 and a secondary connecting internal thread 92, and the secondary connecting external thread 91 and the secondary connecting internal thread 92 are alternatively arranged on the secondary water outlet end 72 and the secondary water inlet end 71. In the present illustration, the external secondary connection thread 91 is provided on the secondary water outlet end 72, and the internal secondary connection thread 92 is provided on the secondary water inlet end 71, and the arrangement positions of the two threads are also interchanged in practice.

Here, the secondary water outlet end 72 and the secondary water inlet end 71 are provided with a secondary thread backlash gap 9a inside the secondary connection external thread 91 or the secondary connection internal thread 92, and the length of the secondary thread backlash gap 9a is greater than the length of the secondary connection external thread 91 and the length of the secondary connection internal thread 92, in consideration of the requirement of multi-angle use of each secondary connector body 7.

In use, once the assembly is completed, the secondary connection external thread 91 and the secondary connection internal thread 92 respectively and completely enter the secondary thread idle space 9a to completely separate the two, and at this time, the next joint body 7 can freely rotate 360 degrees relative to the previous joint body 7, so as to meet the requirement of multi-angle connection of the lower drainage pipe.

To sum up, the adapter designed by the invention is independently composed of the main joint body 1 or the main joint body 1 and the secondary joint body 7, wherein the main water passage 13 of the main joint body 1 is provided with the filtering device 2 for effectively filtering sundries such as hair and the like, and the conduction of the adapter for a long time can be ensured.

In use, the main water inlet end 11 of the main joint 1 or the secondary water inlet end 71 of the secondary joint is connected with the lower drainage pipe through the close-fitting joint 5, the main water outlet end 12 of the main joint 1 is connected with the floor drain or the sewer pipe through the stop baffle disc 3 and the sealing sleeve 4, the adapter is arranged, the sealing connection between the lower drainage pipe and the floor drain or the sewer pipe can be effectively guaranteed, the anti-return and deodorization functions are achieved, and the whole adapter has the characteristics of convenience in connection, simple structure and practicability.

In addition, considering that the drainage pipeline of some odor-resistant floor drains is provided with a U-shaped water seal, the air pressure in the pipeline is higher, and the opening of the sealing cover of the odor-resistant floor drain is difficult, for this reason, as shown in fig. 14, the water outlet end 12 of the main joint body of the invention is provided with a pressurizing extension head 10 at the outlet of the main water passage 13, so that the outlet 101 of the pressurizing extension head 10 is just above the sealing cover of the odor-resistant core, once drainage is carried out, the sprayed water directly impacts the sealing cover to rapidly open the sealing cover, and the overflow problem of the floor drain caused by untimely opening of the sealing cover is avoided.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change or modification made to the above embodiments according to the technical principle of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a lower drain pipe's adapter which characterized in that: the water purifier comprises a main joint body, wherein the main joint body is provided with a main water inlet end and a main water outlet end, a main water passage which is communicated with each other is arranged between the main water inlet end and the main water outlet end, and a cylindrical filtering device is arranged in the main water passage; a stop baffle disc which is in threaded connection with the main water outlet end or integrally formed with the main water outlet end is arranged below the main water outlet end, a connecting part is arranged on the stop baffle disc downwards, a sealing sleeve is sleeved outside the connecting part, and the upper part of the sealing sleeve extends outwards to form an outer circle part with the outer diameter not smaller than that of the stop baffle disc; the main water inlet end is connected with the secondary joint body or directly connected with a tight fitting joint, and the tight fitting joint is tightly matched and connected with the outlet of the lower drainage pipe.

2. The adapter for an underdrain as defined in claim 1, wherein: the filtering device comprises a cylindrical filtering net rack and a positioning plug, and the filtering net rack and the positioning plug are integrally formed or in threaded connection or close fit connection; the outer wall of the filter screen frame is uniformly provided with filter holes communicated with the inner holes of the filter screen frame, the filter screen frame is provided with a lower opening which is directly communicated with the opening part of the main water passage, the outer side of the lower opening is provided with a connecting outer edge, and the connecting outer edge is abutted against a stop flange arranged on the opening part of the main water passage; the positioning plug is in threaded or tight-fit connection with the mounting hole in the top of the main joint body to realize the limiting installation of the filter screen frame.

3. An adapter for an underdrain as claimed in claim 1 or 2, wherein: the secondary joint body is provided with at least two secondary water inlet ends and a secondary water outlet end, and a secondary water passage communicated with each other is arranged between the secondary water inlet end and the secondary water outlet end; the secondary water outlet end is connected with the primary water inlet end through a primary threaded structure, and a sealing rubber ring is arranged at the joint of the secondary water outlet end and the primary water inlet end; the secondary water inlet end is connected with a tight-fit joint or a sealing plug, and the tight-fit joint is tightly matched and connected with an outlet of the lower drainage pipe.

4. The adapter for an underdrain as defined in claim 3, wherein: the main thread structure comprises a main connecting external thread and a main connecting internal thread, and the main connecting external thread and the main connecting internal thread are alternatively arranged on the secondary water outlet end and the main water inlet end.

5. The adapter for an underdrain as defined in claim 4, wherein: the secondary water outlet end and the primary water inlet end are provided with a primary thread idle stroke gap on the inner side of the primary connection external thread or the primary connection internal thread, the length of the primary thread idle stroke gap is larger than that of the primary connection external thread and that of the primary connection internal thread, and the primary connection external thread and the primary connection internal thread are completely separated after entering the primary thread idle stroke gap in a rotating mode.

6. The adapter for an underdrain as defined in claim 3, wherein: the secondary joint body is a plurality of, in two adjacent secondary joint bodies, the secondary water outlet end of the next joint body is connected with one secondary water inlet end of the last joint body through a secondary thread structure, and a sealing rubber ring is arranged at the joint of the secondary water outlet end and the last joint body.

7. The adapter for an underdrain as defined in claim 6, wherein: inferior helicitic texture is including inferior connection external screw thread and inferior connection internal thread, and inferior connection external screw thread sets up with inferior connection internal thread alternative inferior water outlet end is served with inferior water intaking.

8. The adapter for an underdrain as defined in claim 7, wherein: inferior water outlet end, inferior water inlet end are being equipped with inferior screw thread idle stroke clearance setting up inferior connection external screw thread or inferior connection internal thread's inboard, and the length in inferior screw thread idle stroke clearance is greater than the length of inferior connection external screw thread and the length of inferior connection internal thread, inferior connection external screw thread and inferior connection internal thread rotation will separate completely after getting into inferior screw thread idle stroke clearance.

9. An adapter for an underdrain as claimed in claim 1 or 2, wherein: the outlet of the main water passage at the water outlet end of the main joint body is provided with a pressurizing extension head, and the outlet of the pressurizing extension head is positioned right above the sealing cover of the deodorant core.