Sewer line joint

Through the design of threaded connecting pipes and downspouts and the use of sealing gaskets, the water leakage and fall-off problems when connecting sewer pipes and downspouts are solved, achieving more efficient sealing performance and convenient installation process.

CN222334792UInactive Publication Date: 2025-01-10崔艳琴
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Patent Information

Application Number
CN202421297403.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-01-10
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing connection methods between sewer pipes and downspouts are prone to leakage and fall-off, and the sealing performance is not strong, especially the problem of large interface gaps and aging of glue.

Method used

A sewer pipe joint is designed, which is connected to the downspout using a threaded connecting pipe, and a seal is formed between the water inlet and the bottom wall of the pool through a sealing gasket and annular flange to improve the sealing performance.

Benefits of technology

The removable connection and efficient sealing of the joints are realized, which improves installation efficiency and sealing performance and avoids water leakage.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222334792U_ABST
Patent Text Reader

Abstract

A water inlet is formed in the top end of a water inlet pipeline, the water inlet is in butt joint with a water falling opening in the bottom wall of a water pool, a sealing gasket is arranged between the end face of the peripheral edge of the water inlet and the bottom wall of the water pool, and the sealing gasket surrounds the peripheral side of the water falling opening; the water tank is matched with a downpipe integrally arranged with the water leakage plug, and the downpipe extends out of the outfall from the bottom; a connecting pipe is coaxially arranged on the inner circumferential side of the water inlet, the top end of the connecting pipe is not higher than the water inlet and is in threaded sleeve connection with the part, extending out of the water falling opening, of the downpipe, and the bottom end of the connecting pipe is communicated with the water passing cavity; an overflow hole located below the water leakage plug is formed in the inner circumferential wall of the water falling opening. And an annular interval is arranged between the connecting pipe and the inner peripheral wall of the water inlet, the top end of the annular interval is communicated with the overflow hole, the bottom end of the annular interval is communicated with the water passing cavity, disassembly and assembly can be convenient, and the sealing performance between the connector body and the water pool can be improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of sewer pipes, in particular to a sewer pipe joint. Background Art

[0002] In the prior art, in the sewer pipe installed in the kitchen sink or wash basin, the sink is equipped with a downpipe integrally provided with its leakage plug, and the downpipe extends out of the downspout from below. The connection method between the sewer pipe and the downpipe is mostly to adopt an interference fit of a plastic pipe, and the interface parts are all glued with glue, so leakage often occurs, especially when the sewer pipe and the downpipe are plugged in and matched, the gap is too large, and it is easy to fall off during installation, and the glue part is also easy to age, so the seal is not strong and does not play its due role. Utility Model Content

[0003] The utility model aims to provide a sewer pipe joint to solve the problems existing in the prior art, which is not only convenient for disassembly and assembly, but also can improve the sealing performance between the joint body and the water pool.

[0004] To achieve the above-mentioned purpose, the utility model provides the following solutions: The utility model provides a sewer pipe joint, including a joint body, a water passage cavity is provided in the joint body, and a vertically extending water inlet pipe is provided at the top of the joint body, a water inlet is provided at the top of the water inlet pipe, and the water inlet is connected to the water outlet of the bottom wall of the pool, a sealing gasket is provided between the end surface of the outer peripheral edge of the water inlet and the bottom wall of the pool, and the sealing gasket surrounds the outer peripheral side of the water outlet;

[0005] The pool is equipped with a downpipe integrally provided with the water leakage plug, and the downpipe extends from the bottom to the downspout; a connecting pipe is coaxially provided on the inner circumference of the water inlet, the top of the connecting pipe is not higher than the water inlet, and is threadedly sleeved on the part of the downpipe extending from the downspout, and the bottom end of the connecting pipe is connected to the water passage cavity;

[0006] An overflow hole located below the water leakage plug is provided on the inner peripheral wall of the water outlet; an annular spacer is provided between the connecting pipe and the inner peripheral wall of the water inlet, the top end of the annular spacer is connected to the overflow hole, and the bottom end of the annular spacer is connected to the water passage cavity;

[0007] A water outlet pipe is provided on one side of the joint body, and the water outlet pipe is communicated with the water passage cavity.

[0008] Preferably, a plurality of ribs are connected between the connecting pipe and the inner peripheral wall of the water inlet, and the ribs are distributed in the annular interval at equal intervals along the circumferential direction.

[0009] Preferably, a top baffle and a bottom baffle are spaced apart in the water outlet direction in the water outlet pipe, and both the top baffle and the bottom baffle extend in a direction perpendicular to the water outlet direction, and a first opening for water supply and circulation is provided at the bottom of the top baffle, and a second opening for water supply and circulation is provided at the top of the bottom baffle, and the second opening is spaced apart above the first opening in the vertical direction.

[0010] Preferably, the water passage cavity is provided with a water outlet connected to the water outlet pipe, and a water outlet gap for water to flow out is provided between the bottom end of the connecting pipe and the bottom edge of the water outlet.

[0011] Preferably, a cleaning port for cleaning dirt is provided at the bottom end of the joint body, the cleaning port is communicated with the water passage cavity, and a sealing cover for sealing the cleaning port is detachably connected to the cleaning port.

[0012] Preferably, the cleaning port is located below the water outlet in the vertical direction.

[0013] Preferably, the water passage chamber is in a straight cylindrical structure as a whole, the cleaning port is coaxially arranged at the bottom end of the water passage chamber, and the water inlet pipe is coaxially arranged at the top end of the water passage chamber.

[0014] Preferably, an annular flange is coaxially provided on the outer peripheral edge of the water inlet, the end face of the annular flange extends radially along the water inlet and abuts against the bottom wall of the pool on the outer peripheral side of the drain outlet, and the sealing gasket is installed on the end face of the annular flange.

[0015] Compared with the prior art, the utility model has achieved the following technical effects:

[0016] The sewer pipe joint disclosed by the utility model is connected to the downpipe by means of a connecting pipe thread, so that the joint body and the downpipe form a detachable connection, and can be easily disassembled and assembled, thereby improving the installation efficiency. Furthermore, the pre-tightening force of the connection between the connecting pipe and the downpipe reacts between the outer peripheral edge of the water inlet and the bottom wall of the pool, and is squeezed between the water inlet and the bottom wall of the pool by the sealing gasket, thereby effectively improving the sealing performance between the water inlet pipe and the pool. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 Axonometric measurement of the utility model sewer pipe joint Figure 1;

[0019] Figure 2 This is a front view of the sewer pipe joint of the utility model;

[0020] Figure 3 This is a top view of the sewer pipe joint of the utility model;

[0021] Figure 4 Axonometric measurement of the utility model sewer pipe joint Figure 2 ;

[0022] Among them, 1-connector body, 2-water inlet, 3-connecting pipe, 4-annular spacer, 5-rib, 6-water outlet pipe, 7-top baffle, 8-bottom baffle, 9-sealing cover, 10-water chamber, 11-annular flange. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model aims to provide a sewer pipe joint to solve the problems existing in the prior art, which is not only convenient for disassembly and assembly, but also can improve the sealing performance between the joint body and the water pool.

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] like Figures 1 to 4 As shown, this embodiment provides a sewer pipe joint, including a joint body 1, a water passage cavity 10 is provided in the joint body 1, and a vertically extending water inlet pipe is provided at the top of the joint body 1, a water inlet 2 is provided at the top of the water inlet pipe, the water inlet 2 is butted at the drain outlet of the bottom wall of the pool, a sealing gasket is provided between the end face of the outer peripheral edge of the water inlet 2 and the bottom wall of the pool, and the sealing gasket surrounds the outer peripheral side of the drain outlet, and the sealing gasket is preferably a rubber ring, etc., so that it can be squeezed between the water inlet 2 and the bottom wall of the pool, thereby sealing the gap between the water inlet 2 and the bottom wall of the pool to avoid overflow;

[0027] The pool is equipped with a downpipe integrally provided with its leak plug, and the downpipe extends out of the downspout from below; a connecting pipe 3 is coaxially provided on the inner circumference of the water inlet 2, and the top of the connecting pipe 3 is not higher than the water inlet 2, and is threadedly sleeved on the portion of the downpipe extending out of the downspout, wherein the top of the connecting pipe 3 is not higher than the water inlet 2, so as to avoid the connection between the connecting pipe 3 and the downpipe, which affects the abutment effect between the outer peripheral edge of the water inlet 2 and the bottom wall of the pool, and preferably, an internal thread structure is provided on the connecting pipe 3, and an external thread structure is provided on the downpipe, so as to ensure that the two can be threadedly connected together, and then through the threaded connection between the connecting pipe 3 and the downpipe, a pre-tightening force is applied to the water inlet 2, so that it further abuts against the bottom wall of the pool, and the bottom end of the connecting pipe 3 is connected to the water passage cavity 10;

[0028] An overflow hole is provided on the inner peripheral wall of the water outlet and is located below the water leakage plug; an annular spacer 44 is provided between the connecting pipe 3 and the inner peripheral wall of the water inlet 2, the top end of the annular spacer 44 is connected to the overflow hole, and the bottom end of the annular spacer 44 is connected to the water passage cavity 10;

[0029] A water outlet pipe 6 is provided on one side of the joint body 1, and the water outlet pipe 6 is connected to the water passage chamber 10;

[0030] The sewer pipe joint disclosed in the utility model is threadedly connected to the downpipe through the connecting pipe 3, so that the joint body 1 and the downpipe form a detachable connection, and can be easily disassembled and assembled, thereby improving the installation efficiency. Furthermore, the pre-tightening force of the connection between the connecting pipe 3 and the downpipe reacts between the outer peripheral edge of the water inlet 2 and the bottom wall of the pool, and is squeezed between the water inlet 2 and the bottom wall of the pool by the sealing gasket, thereby effectively improving the sealing performance between the water inlet pipe and the pool.

[0031] Among them, a plurality of ribs 5 are connected between the connecting pipe 3 and the inner circumferential wall of the water inlet 2, and each rib 5 is evenly spaced in the annular interval 44 along the circumferential direction, and the connection between the connecting pipe 3 and the inner circumferential wall of the water inlet 2 is achieved through each rib 5. Preferably, the water inlet pipe and the connecting pipe 3 are made in an integral manner, and the water inlet pipe can be integrally formed with the joint body 1, or a threaded pipe can be opened at the top of the joint body 1 to achieve a detachable connection between the water inlet pipe and the joint body 1.

[0032] As a preferred embodiment of the utility model, a top baffle 7 and a bottom baffle 8 are spaced apart in the water outlet direction in the water outlet pipe 6, and both the top baffle 7 and the bottom baffle 8 extend in a direction perpendicular to the water outlet, and a first opening for water supply and circulation is provided at the bottom of the top baffle 7, and a second opening for water supply and circulation is provided at the top of the bottom baffle 8, and the second openings are spaced apart above the first opening in the vertical direction, and after the water flows through the first opening, it flows out of the second opening from above, and a gap is formed in the vertical direction by the first opening and the second opening, so that the water flow can gather at the gap between the first opening and the second opening to form a water seal, thereby reducing the occurrence of odor and the like in the pipe.

[0033] Furthermore, the water passage cavity 10 is provided with a water outlet connected to the water outlet pipe 6, and a water outlet interval is provided between the bottom end of the connecting pipe 3 and the bottom edge of the water outlet for water to flow out. By providing the water outlet interval, the cross section of the water outlet is increased, thereby increasing the water outlet speed. Preferably, the water outlet pipe 6 is integrally formed with the joint body 1, or is detachably connected to the water outlet, and a filter screen is preferably provided at the water outlet to further prevent dirt from entering the main pipe of the wall.

[0034] As a preferred embodiment of the present utility model, a cleaning port for cleaning dirt is provided at the bottom end of the joint body 1, the cleaning port is connected to the water passage chamber 10, and a sealing cover 9 for sealing the cleaning port is detachably connected thereto. By providing the cleaning port, dirt and the like accumulated in the water passage chamber 10 can be cleaned regularly to ensure the patency of the entire joint body 1 during use, and after cleaning, the cleaning port can be sealed by the sealing cover 9 to prevent water from overflowing.

[0035] Furthermore, the cleaning port is located below the water outlet in the vertical direction, so that dirt in the water flow can be gathered at the cleaning port, blocking the water outlet is avoided as much as possible, and the dirt can be easily cleaned.

[0036] Moreover, preferably, the water passage chamber 10 is a straight cylindrical structure as a whole, the cleaning port is coaxially arranged at the bottom end of the water passage chamber 10, and the water inlet pipe is coaxially arranged at the top end of the water passage chamber 10. By setting the water passage chamber 10 in a straight cylindrical structure, it is convenient to clean the entire water passage chamber 10 through the cleaning port, avoiding the occurrence of a bending structure that affects the extension of the cleaning tool in the water passage chamber 10. And preferably, the water passage chamber 10 extends downward in the vertical direction to form a sedimentation area at the bottom, and the sedimentation area is located below the water outlet to further gather the sludge. And preferably, the entire joint body 1 is a straight cylindrical structure coaxial with the water passage chamber 10, which is more convenient to shape during manufacturing, and there are multiple reinforcing ribs on the outer peripheral wall of the joint body 1 along the axial array to ensure the structural strength of the entire joint body 1.

[0037] Furthermore, an annular flange 11 is coaxially provided on the peripheral edge of the water inlet 2, and the end face of the annular flange 11 extends radially along the water inlet 2 and abuts against the bottom wall of the pool on the peripheral side of the drain outlet. The sealing gasket is installed on the end face of the annular flange 11. The annular flange 11 is provided to increase the bearing area of ​​the sealing gasket to ensure the sealing performance.

[0038] Adaptive changes made according to actual needs are all within the protection scope of this utility model.

[0039] It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numerals in the claims should not be regarded as limiting the claims involved.

[0040] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A sewer pipe joint, characterized in that: The joint body comprises a water passage cavity, a vertically extending water inlet pipe is arranged at the top of the joint body, a water inlet is arranged at the top of the water inlet pipe, the water inlet is butted at the water outlet of the bottom wall of the pool, a sealing gasket is arranged between the end face of the outer peripheral edge of the water inlet and the bottom wall of the pool, and the sealing gasket surrounds the outer peripheral side of the water outlet; The pool is equipped with a downpipe integrally provided with the water leakage plug, and the downpipe extends from the bottom to the downspout; a connecting pipe is coaxially provided on the inner circumference of the water inlet, the top of the connecting pipe is not higher than the water inlet, and is threadedly sleeved on the part of the downpipe extending from the downspout, and the bottom end of the connecting pipe is connected to the water passage cavity; An overflow hole located below the water leakage plug is provided on the inner peripheral wall of the water outlet; an annular spacer is provided between the connecting pipe and the inner peripheral wall of the water inlet, the top end of the annular spacer is connected to the overflow hole, and the bottom end of the annular spacer is connected to the water passage cavity; A water outlet pipe is provided on one side of the joint body, and the water outlet pipe is communicated with the water passage cavity.

2. The sewer pipe joint according to claim 1, characterized in that: A plurality of ribs are connected between the connecting pipe and the inner peripheral wall of the water inlet, and the ribs are distributed in the annular interval at equal intervals along the circumferential direction.

3. The sewer pipe joint according to claim 1 or 2, characterized in that: A top baffle and a bottom baffle are arranged in the water outlet pipe at intervals along the water outlet direction, and both the top baffle and the bottom baffle extend in a direction perpendicular to the water outlet direction. A first opening for water supply and circulation is provided at the bottom of the top baffle, and a second opening for water supply and circulation is provided at the top of the bottom baffle, and the second opening is arranged above the first opening at intervals along the vertical direction.

4. The sewer pipe joint according to claim 3, characterized in that: The water passage cavity is provided with a water outlet connected with the water outlet pipe, and a water outlet gap for water to flow out is provided between the bottom end of the connecting pipe and the bottom edge of the water outlet.

5. The sewer pipe joint according to claim 4, characterized in that: A cleaning port for cleaning dirt is provided at the bottom end of the joint body, the cleaning port is communicated with the water passage cavity, and a sealing cover for sealing the cleaning port is detachably connected to the cleaning port.

6. The sewer pipe joint according to claim 5, characterized in that: The cleaning port is located below the water outlet in the vertical direction.

7. The sewer pipe joint according to claim 6, characterized in that: The water passage chamber is in a straight cylindrical structure as a whole, the cleaning port is coaxially arranged at the bottom end of the water passage chamber, and the water inlet pipe is coaxially arranged at the top end of the water passage chamber.

8. The sewer pipe joint according to claim 7, characterized in that: An annular flange is coaxially arranged on the outer peripheral edge of the water inlet, the end face of which extends radially along the water inlet and abuts against the bottom wall of the pool on the outer peripheral side of the drain outlet, and the sealing gasket is installed on the end face of the annular flange.