Water tank cover

By designing a plug-in water tank cover structure with a plug, positioning rod, and sealing lip, the problem of inconvenient disassembly and assembly of water tank covers in existing technologies has been solved, enabling quick and convenient installation and disassembly, and enhancing sealing performance and preventing media leakage.

CN224045909UActive Publication Date: 2026-03-27CHANGZHOU DUOMIT SEALING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The water tank cover of existing window cleaning robots uses a threaded connection, which makes disassembly and assembly inconvenient and slow.

Method used

Design a water tank cover that uses a plug and positioning rod structure, combined with a sealing lip and a one-way valve, to achieve plug-in installation and disassembly. The sealing lip achieves a tight fit and seal, while the one-way valve prevents media leakage.

Benefits of technology

The ease and speed of installing and removing the water tank cover have been improved. It can be quickly installed and removed by plugging and unplugging, which enhances the sealing performance and prevents media leakage.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224045909U_ABST
    Figure CN224045909U_ABST
Patent Text Reader

Abstract

The utility model discloses a water tank cover which comprises a body. Wherein one end part of the body is provided with a chock plug and a positioning rod, at least one circle of first sealing lip is arranged on the outer side wall of the chock plug, one end part, connected with the body, of the positioning rod is provided with a sealing part, and at least one circle of second sealing lip is arranged on the outer side wall of the sealing part. According to the utility model, the water tank cover can be disassembled and assembled more conveniently and quickly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a water tank cover. BACKGROUND

[0002] At present, the window cleaning robot is a kind of equipment that can automatically clean window glass, and water tank is arranged in the window cleaning robot, the water tank can supply water for cleaning cloth in the window cleaning robot to keep the cleaning cloth wet, thereby the cleaning effect can be improved. Water tank cover is arranged in the water tank, the water tank cover is mostly connected by screw thread, for example, the water tank cover in the window cleaning robot in the Chinese patent with the announcement number CN206285032U is connected by screw thread, but the water tank cover is inconvenient to disassemble and assemble by screw thread, and the speed of disassembly and assembly of the water tank cover is slow. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem to overcome the defects of prior art, provide a kind of water tank cover, it can improve the convenience and speed of disassembly and assembly of water tank cover.

[0004] To solve the above technical problems, the technical scheme of the utility model is as follows: a water tank cover, comprising a body;

[0005] One end of the body is provided with a plug head and a positioning rod;

[0006] At least one first sealing lip is arranged on the outer side wall of the plug head;

[0007] The end of the positioning rod connected with the body is provided with a sealing part, and at least one second sealing lip is arranged on the outer side wall of the sealing part.

[0008] Further, a medium channel is arranged in the body, and a one-way valve connected with the medium channel is further arranged on the body.

[0009] Further, an inner hole is arranged in the plug head, and the one-way valve is arranged in the inner hole.

[0010] Further, a specific structure of the one-way valve is provided, the one-way valve is a duckbill valve, the duckbill valve has two valve clack for mutual abutment to prevent medium leakage in the water tank, and the two valve clack are further used to separate each other to form a valve passage for medium to pass through when medium flows into the water tank through the medium channel.

[0011] Further, the body, the plug head, the positioning rod, the sealing part, the first sealing lip, the second sealing lip and the one-way valve are integrally formed and made of rubber.

[0012] Further, an end of the plug head connected with the body is provided with a first positioning step part protruding radially outward, and / or an end of the sealing part connected with the body is provided with a second positioning step part protruding radially outward.

[0013] Further, the positioning rod is provided with a boss part protruding radially outward.

[0014] Further, an upper end of the positioning rod is connected with the body;

[0015] An upper end of the boss part is provided with a step surface;

[0016] A lower end of the boss part is a conical structure gradually decreasing from top to bottom.

[0017] Further, the positioning rod further comprises a first rod part and a second rod part, and the sealing part, the first rod part, the boss part and the second rod part are connected in sequence.

[0018] Further, an outer diameter of the sealing part and an outer diameter of the boss part are respectively greater than an outer diameter of the first rod part, and the outer diameter of the first rod part is equal to an outer diameter of the second rod part.

[0019] After the above technical scheme is adopted, the water tank cover of the embodiment of the present application can be directly pressed and inserted into the water inlet of the water tank and realize tight sealing through the first sealing lip and the second sealing lip, and when disassembled, the water tank cover can also be directly pulled out, so that installation and disassembly are realized through the plug-in and pull-out mode, which greatly improves the convenience and speed of disassembly and assembly of the water tank cover. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a sectional view of the water tank cover of the utility model;

[0021] Figure 2 It is a structure schematic of the water tank cover of the utility model Figure 1 ;

[0022] Figure 3 It is a structure schematic of the water tank cover of the utility model Figure 2 ;

[0023] In the drawing: 1, body; 2, plug head; 3, positioning rod; 4, first sealing lip; 5, sealing part; 6, second sealing lip; 7, medium passage; 8, one-way valve; 9, inner hole; 10, first positioning step part; 11, second positioning step part; 12, boss part; 13, step surface; 14, first rod part; 15, second rod part. DETAILED DESCRIPTION

[0024] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further explained in detail.

[0025] As Figures 1 to 3 Indicated, a water tank cover, including body 1;

[0026] One end of the body 1 is provided with plug head 2 and positioning rod 3;

[0027] The outer side wall of the plug head 2 is provided with at least one first sealing lip 4;

[0028] The end of the positioning rod 3 connected with the body 1 is provided with sealing part 5, and the outer side wall of the sealing part 5 is provided with at least one second sealing lip 6;Specifically, the water tank cover of the embodiment of the application can be directly pressed and inserted into the water inlet of the water tank and realizes tight sealing through the first sealing lip 4 and the second sealing lip 6, and when disassembling, the water tank cover can also be directly pulled out, and installation and disassembly are realized through the plug-in and plug-out mode, which greatly improves the convenience and disassembly speed of the water tank cover.

[0029] As Figure 1 , 2 Indicated, the body 1 is provided with medium channel 7, and the body 1 is also provided with one-way valve 8 connected with the medium channel 7;Specifically, the one-way valve 8 can make the medium flow into the water tank from the medium channel 7 and can prevent the medium in the water tank from flowing out of the medium channel 7.

[0030] As Figure 1 , 3 Indicated, the plug head 2 can be provided with inner hole 9, and the one-way valve 8 is arranged in the inner hole 9.

[0031] As Figures 1 to 3 Indicated, the one-way valve 8 can be a duckbill valve, and the duckbill valve has two valve clack for abutting each other to prevent the medium in the water tank from leaking, and the two valve clack are also used for being separated from each other to form valve channel for the medium to pass through when the medium flows into the water tank through the medium channel 7. The body 1, the plug head 2, the positioning rod 3, the sealing part 5, the first sealing lip 4, the second sealing lip 6 and the one-way valve 8 are integrally formed and are made of rubber;In the embodiment, the first sealing lip 4 and the second sealing lip 6 are respectively provided with two.

[0032] As Figure 1 , 3 Indicated, the end of the plug head 2 connected with the body 1 is provided with first positioning step part 10 protruding outward along the radial direction, and the end of the sealing part 5 connected with the body 1 is provided with second positioning step part 11 protruding outward along the radial direction.

[0033] As Figures 1 to 3 The positioning rod 3 is provided with a boss part 12 protruding radially outward.

[0034] As Figures 1 to 3 The upper end of the positioning rod 3 is connected with the body 1;

[0035] The upper end of the boss part 12 is provided with a stepped surface 13;

[0036] The lower end of the boss part 12 is a tapered structure gradually decreasing from top to bottom.

[0037] As Figures 1 to 3 The positioning rod 3 further comprises a first rod part 14 and a second rod part 15, and the sealing part 5, the first rod part 14, the boss part 12 and the second rod part 15 are connected in sequence; specifically, the outer diameter of the sealing part 5 and the outer diameter of the boss part 12 are respectively greater than the outer diameter of the first rod part 14, and the outer diameter of the first rod part 14 is equal to the outer diameter of the second rod part 15.

[0038] In summary, the water tank cover of the embodiment of the present application can be directly pressed and inserted into the water inlet of the water tank and realize tight sealing through the first sealing lip 4 and the second sealing lip 6, and when disassembled, the water tank cover can also be directly pulled out, realizing installation and disassembly through the plug-in and plug-out mode, which greatly improves the convenience and speed of disassembly and assembly of the water tank cover.

[0039] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the present application in detail, and it should be understood that the above description is only for specific embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A water tank cover characterized by, The body (1) is provided with a plug head (2) and a positioning rod (3) at one end thereof; At least one first sealing lip (4) is arranged on the outer side wall of the plug head (2); A sealing part (5) is arranged at one end of the positioning rod (3) connected with the body (1); At least one second sealing lip (6) is arranged on the outer side wall of the sealing part (5).

2. The water tank cover according to claim 1, wherein A medium channel (7) is arranged in the body (1), and a one-way valve (8) connected with the medium channel (7) is further arranged on the body (1).

3. The water tank cover according to claim 2, wherein An inner hole (9) is arranged in the plug head (2), and the one-way valve (8) is arranged in the inner hole (9).

4. The water tank cover according to claim 2, wherein The one-way valve (8) is a duckbill valve, and the duckbill valve has two valve clappers for abutting against each other to prevent the medium in the water tank from leaking, and the two valve clappers are further used for being separated from each other to form a valve passage for the medium to pass through when the medium flows into the water tank through the medium channel (7).

5. The water tank cover according to claim 2, wherein The body (1), the plug head (2), the positioning rod (3), the sealing part (5), the first sealing lip (4), the second sealing lip (6) and the one-way valve (8) are integrally formed and made of rubber.

6. The water tank cover according to claim 1, wherein One end of the plug head (2) connected with the body (1) is provided with a first positioning step part (10) protruding radially outward, and / or one end of the sealing part (5) connected with the body (1) is provided with a second positioning step part (11) protruding radially outward.

7. The water tank cover according to claim 1, wherein A boss part (12) protruding radially outward is arranged on the positioning rod (3).

8. The water tank cover according to claim 7, wherein The upper end of the positioning rod (3) is connected with the body (1); The upper end of the boss part (12) is provided with a step face (13); The lower end of the boss part (12) is a tapered structure gradually decreasing from top to bottom.

9. The water tank cover according to claim 7, wherein The positioning rod (3) further comprises a first rod part (14) and a second rod part (15), and the sealing part (5), the first rod part (14), the boss part (12) and the second rod part (15) are sequentially connected.

10. The water tank cover according to claim 9, wherein The outer diameter of the sealing part (5) and the outer diameter of the boss part (12) are respectively greater than the outer diameter of the first rod part (14), and the outer diameter of the first rod part (14) is equal to the outer diameter of the second rod part (15). ​

Citation Information

Patent Citations

  • Window cleaning robot

    CN206285032U