Gasket-free drainer

By using the mating structure of the convex ring and the groove and the threaded connection, the sealing problem of the drain assembly is solved, achieving a sealing effect without a sealing ring, improving installation efficiency and reducing costs.

CN223706618UActive Publication Date: 2025-12-23ZHONGSHAN BEILINDA HARDWARE PRODUCTS CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202520102578.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-12-23
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing drain assemblies require the use of sealing rings to ensure a tight seal, which makes assembly inconvenient.

Method used

The structure of the convex ring and the groove is combined with the threaded connection to achieve a sealing effect without a sealing ring. The sealing performance is ensured by the insertion of the convex ring and the groove and the screwing of the nut.

Benefits of technology

It achieves a sealing effect without the need for sealing rings, improves installation efficiency, and reduces production and usage costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223706618U_ABST
    Figure CN223706618U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of drainers, in particular to a washer-free drainer. The washer-free drainer comprises a cup body and a sewer pipe, the bottom of the cup body is communicated and provided with a connecting pipe, the bottom of the connecting pipe is provided with a convex ring, the top end of the sewer pipe is provided with an outer flange, the inner wall of the sewer pipe is provided with a groove, the inner wall of the groove is connected with the connecting pipe in an inserted mode, and the inner wall of the groove is provided with an outer flange. The inner wall of the bottom of the groove abuts against the protruding ring. The washer-free drainer provided by the utility model has the advantages that a sealing effect can be achieved without using a sealing ring, and the washer-free drainer is convenient to assemble.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of water drainer, especially a water drainer without gasket. BACKGROUND

[0002] The water drainer usually installs the sealing ring between the cup body and the drain pipe to ensure the sealing property.

[0003] For example, the Chinese utility model patent with the publication number CN221422138U discloses a water pool sink drain assembly, which comprises a water pool, a first connecting piece, a second connecting piece, a first connecting pipe, a second connecting pipe, a plurality of deodorization pipes and a corrugated pipe.

[0004] For example, the Chinese utility model patent with the publication number CN205712353U discloses a drain pipe assembly, which comprises an upper pipe, a middle pipe and a lower pipe.

[0005] However, the above-mentioned technologies all need to use the sealing ring for sealing to prevent water leakage, which is inconvenient to assemble.

[0006] Therefore, the water drainer without gasket is proposed to solve the above-mentioned technical problems. CONTENT OF THE UTILITY MODEL

[0007] To solve the above-mentioned technical problems, the purpose of the utility model is to provide a water drainer without gasket, which has the advantages of achieving the sealing effect without using the sealing ring and being convenient to assemble.

[0008] The utility model discloses a technical scheme that solves the problem is: a gasket-free drainer, comprising: cup body, sewer pipe, the bottom intercommunication of cup body is installed with the connecting pipe, the bottom of connecting pipe is provided with the convex ring, the top of sewer pipe is provided with the outward flange, the inner wall of sewer pipe is provided with the recess, the inner wall of recess is inserted with connecting pipe, and the bottom inner wall of recess is opposite with the convex ring.

[0009] As a further improvement of the above technical solution, the connecting pipe is provided with a first thread, and a nut is rotatably sleeved on the sewer pipe and screwed with the first thread.

[0010] As a further improvement of the above technical solution, a housing is fixedly sleeved on the sewer pipe, a catheter is intercommunicatively installed on one side of the housing, and a lower cover is screwed on the bottom of the housing.

[0011] As a further improvement of the above technical solution, a second thread is arranged in the cup body.

[0012] As a further improvement of the above technical solution, an upper cover is detachably installed on the top of the cup body, an annular groove is formed in the bottom of the cup body, and the inner wall of the annular groove is inserted with the upper cover.

[0013] As a further improvement of the above technical solution, an overflow pipe interface is intercommunicatively installed on the sewer pipe, and the overflow pipe interface penetrates through the housing and extends out of the housing.

[0014] The utility model discloses the beneficial effect is: through the cooperation of the convex ring of connecting pipe bottom and the inner wall of recess that is set up on the sewer pipe, the sealing can be carried out without using the sealing ring, improves the installation efficiency, and reduces the production and use cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained and described in the combination of the drawings and specific embodiment.

[0016] Figure 1 It is the structure schematic diagram of preferred embodiment of the utility model;

[0017] Figure 2 It is Figure 1 It is the sectional structure schematic diagram shown in the figure;

[0018] Figure 3 It is Figure 2 It is the enlarged structure schematic diagram of A portion in the figure;

[0019] Figure 4 It is the explosion structure schematic diagram of the utility model.

[0020] As shown in the figure: 1, cup body; 101, second thread; 102, connecting pipe; 103, first thread; 104, convex ring; 2, drain pipe; 201, groove; 202, nut; 3, shell; 4, lower cover; 5, upper cover. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0023] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If it is described to the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0024] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0025] Reference Figures 1 to 4 A gasket-free drain, comprising: a cup body 1, a drain pipe 2, a connecting pipe 102 is installed in communication at the bottom of the cup body 1, a convex ring 104 is arranged at the bottom of the connecting pipe 102, an outer flange is arranged at the top end of the drain pipe 2, a groove 201 is formed in the inner wall of the drain pipe 2, the inner wall of the groove 201 is inserted with the connecting pipe 102, and the bottom inner wall of the groove 201 abuts against the convex ring 104. The relative cooperation of the convex ring 104 and the groove 201 can be effectively sealed, without the need to install a sealing ring, improving the use convenience and reducing the production cost.

[0026] As a preferred embodiment, the connecting pipe 102 is provided with a first thread 103, the sewer pipe 2 is rotatably sleeved with a nut 202, and the nut 202 is screwed with the first thread 103. Through cooperation of the nut 202 and the first thread 103, the sewer pipe 2 can be detachably connected with the cup body 1, and meanwhile, the convex ring 104 can be tightly abutted against the inner wall of the bottom of the groove 201, so that the sealing property is ensured, the nut 202 is limited by the outward flange, and falling off of the nut 202 is prevented,

[0027] As a preferred embodiment, the sewer pipe 2 is fixedly sleeved with the shell 3, the shell 3 is communicated with a duct on one side, and the shell 3 is screwed with a lower cover 4 at the bottom. The shell 3 can be sealed when not in use, and the lower cover 4 can be removed to be connected with other pipe fittings when in use, so that the use flexibility is improved.

[0028] As a preferred embodiment, the cup body 1 is provided with a second thread 101. The cup body 1 is conveniently connected with other pipe fittings through the second thread 101.

[0029] As a preferred embodiment, the cup body 1 is detachably installed with an upper cover 5 at the top, and the cup body 1 is provided with an annular groove at the bottom, and the inner wall of the annular groove is inserted with the upper cover 5. The cup body 1 can be sealed through the upper cover 5 when not in use.

[0030] As a preferred embodiment, the sewer pipe 2 is communicated with an overflow pipe interface, and the overflow pipe interface penetrates through the shell 3 and extends out of the shell 3.

[0031] The above is only a preferred embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct or indirect application in other related technical fields under the utility model concept of the utility model, and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A washer-free drain assembly, characterized in that, include: The cup body (1) and the drain pipe (2) are connected to the bottom of the cup body (1) and a connecting pipe (102) are installed. The bottom of the connecting pipe (102) is provided with a convex ring (104). The top of the drain pipe (2) is provided with an outward flange. A groove (201) is provided on the inner wall of the drain pipe (2). The inner wall of the groove (201) is inserted into the connecting pipe (102). The bottom inner wall of the groove (201) is opposite to the convex ring (104).

2. The washerless drain assembly as described in claim 1, characterized in that: The connecting pipe (102) is provided with a first thread (103), and the drain pipe (2) is rotatably fitted with a nut (202), which is screwed to the first thread (103).

3. A washer-free drain assembly as described in claim 1, characterized in that: A housing (3) is fixedly fitted onto the drain pipe (2), and a conduit is connected to one side of the housing (3). A lower cover (4) is screwed to the bottom of the housing (3).

4. A washer-free drain assembly as described in claim 1, characterized in that: The cup body (1) is provided with a second thread (101).

5. A washer-free drain assembly as described in claim 1, characterized in that: The top of the cup body (1) is detachably fitted with a top cover (5), and the bottom of the cup body (1) is provided with an annular groove, the inner wall of which is inserted into the top cover (5).

6. A washer-free drain assembly as described in claim 3, characterized in that: An overflow pipe interface is connected to the drain pipe (2), and the overflow pipe interface passes through the housing (3) and extends to the outside of the housing (3).

Citation Information

Patent Citations

  • Drain pipe component

    CN205712353U

  • Drainage assembly for water tank

    CN221422138U