A high-efficiency sealing cover for washing machines

Abstract

This utility model relates to the technical field of washing machine components and discloses a high-efficiency sealing cover for a washing machine. It includes a bottom cover, a connecting shaft fixedly connected to the outer side of the bottom cover, and an upper sealing cover installed on the inner side of the connecting shaft. The connecting shaft and the upper sealing cover are rotatably connected via a rotating shaft. A sealing ring assembly is installed between the upper sealing cover and the bottom cover. The sealing ring assembly includes a lower washer and an upper washer, both made of rubber. The sealing ring assembly, consisting of a lower washer and an upper washer, is installed between the upper sealing cover and the bottom cover. This utility model utilizes the sealing ring assembly, composed of a lower washer and an upper washer. The washer teeth and grooves engage to form a multi-layer sealing structure, while simultaneously providing an interference fit with the annular groove of the bottom cover. Through compression deformation, it fills the gaps. Combined with the high elasticity of the silicone rubber material, it effectively prevents liquid leakage and improves the sealing performance during washing.

Description

Technical Field

[0001] This utility model relates to the field of washing machine components, and in particular to a high-efficiency sealing cover for a washing machine. Background Technology

[0002] As an essential appliance in modern households, the sealing performance of the washing machine lid directly affects washing results, energy consumption, and safety. Traditional washing machine lids typically use rubber sealing rings or snap-fit ​​designs, which, while providing a basic seal, are prone to the following problems after prolonged use:

[0003] Most mainstream sealing components are made of rubber or silicone. These materials are prone to hardening, cracking, and other signs of aging under high temperatures, detergent corrosion, and mechanical stress. For example, rubber sealing rings lose their elasticity after prolonged high-temperature washing, leading to gaps between the lid and the tub and increasing the risk of leakage. Based on this, we have improved the rubber structure and proposed a high-efficiency sealing lid for washing machines. Utility Model Content

[0004] To address the technical problem of rubber structures being prone to aging and failure, this utility model provides a high-efficiency sealing cover for washing machines.

[0005] The present invention is achieved by the following technical solution: a high-efficiency sealing cover for a washing machine, including a bottom cover, a connecting shaft fixedly connected to the outer side of the bottom cover, an upper sealing cover installed on the inner side of the connecting shaft, the connecting shaft and the upper sealing cover being rotatably connected through a rotating shaft, and a sealing ring assembly installed between the upper sealing cover and the bottom cover.

[0006] The sealing ring assembly includes a lower washer and an upper washer, both made of rubber. The lower washer has washer teeth fixedly connected to its surface, while the upper washer has a washer groove. The sealing ring assembly, consisting of the lower and upper washer, is installed between the upper sealing cover and the bottom cover.

[0007] A mounting bracket is fixedly installed on the outer edge of the bottom cover. A locking handle is rotatably connected to the outer side of the mounting bracket. The mounting bracket and the locking handle are rotatably connected via a through rod. A rolling chuck is rotatably connected to the inner side of the locking handle. A buckle is integrally and fixedly extended from the outer surface of the upper sealing cover. A reinforcing rib with a triangular structure is provided at the connection between the buckle and the upper sealing cover to enhance the buckle's fracture resistance. A deflection shaft is movably connected between the locking handle and the rolling chuck.

[0008] Push the locking handle to rotate around the through rod, and the rolling chuck contacts the buckle. Because the end of the buckle is hook-shaped, and the inclined surface of the hook is in the same direction as the anti-slip teeth on the outer circumference of the rolling chuck, after they contact each other, the teeth of the rolling chuck roll along the inclined surface of the buckle, generating an inward force that forces the locking handle to further press the upper sealing cover. At the same time, the teeth meshing achieves locking, forming a self-locking effect and preventing the cover from being opened accidentally.

[0009] As a further optimization of this utility model, the washer teeth are triangular, the washer groove is rectangular, and the washer teeth are engaged inside the washer groove.

[0010] As a further optimization of this utility model, the lower washer and the upper washer have arc-shaped cross sections. The outer diameter of the lower washer is interference-fitted with the annular groove on the outer side of the bottom cover edge, and the upper washer is installed on the upper sealing cover plate.

[0011] As a further optimization of this utility model, the sealing ring assembly is made of silicone rubber, which has both high elasticity and aging resistance, and can resist high temperature, detergent corrosion and mechanical stress, reducing the risk of hardening and cracking; the lower gasket and the upper gasket are made of rubber, which further improves the sealing reliability through elastic deformation.

[0012] As a further optimization of this utility model, the gasket teeth of the lower gasket are engaged with the gasket groove of the upper gasket to form a multi-layer sealing structure; at the same time, the inner diameter of the sealing ring assembly is interference-fitted with the annular groove on the outer edge of the bottom cover, and the initial seal is achieved by extruding and deforming to fill the gap.

[0013] As a further optimization of this utility model, the outer circumferential surface of the rolling chuck is provided with anti-slip teeth, and the end of the buckle is in the shape of a barb, and the inclined surface of the barb is consistent with the inclination direction of the rolling chuck teeth, so as to achieve a self-locking effect when engaged.

[0014] As a further optimization of this utility model, through structural synergy, after the cover is closed, the multi-layer sealing of the sealing ring assembly and the self-locking mechanism of the locking handle work together to ensure a tight fit between the cover and the tub, effectively preventing water leakage during washing, while improving energy efficiency and safety.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model uses a sealing ring assembly consisting of a lower washer and an upper washer. The washer teeth and the washer groove engage to form a multi-layer sealing structure. At the same time, it is interference-fitted with the annular groove of the bottom cover. By extruding and deforming, it fills the gaps. Combined with the high elasticity of silicone rubber, it can effectively prevent liquid leakage and improve the sealing performance during the washing process.

[0017] 2. This utility model uses a locking handle that engages with a rolling chuck and a buckle. By utilizing the design where the inclined surface of the hook and the tooth pattern are aligned, an inward force is generated during locking to achieve self-locking, preventing the cover from being accidentally opened, enhancing safety, and providing convenient operation and a tight fit after locking.

[0018] 3. This utility model, through the synergistic effect of the sealing structure and locking mechanism, not only solves the problem of easy aging and leakage of traditional sealing components, but also improves operational reliability through the self-locking design, while strengthening the structural strength, optimizing the overall sealing effect, safety and durability of the washing machine lid, reducing energy consumption and improving the user experience. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This utility model Figure 1 Enlarged schematic diagram of the structure of region A in the middle;

[0021] Figure 3 This is a schematic diagram of the connection structure of the sealing ring assembly of this utility model.

[0022] Explanation of key symbols:

[0023] 1. Bottom cover; 2. Connecting shaft; 3. Upper sealing cover plate; 4. Rotating shaft; 5. Sealing ring assembly; 51. Lower washer; 52. Washer retainer tooth; 53. Upper washer; 54. Washer retainer groove; 6. Mounting bracket; 7. Locking handle; 8. Through rod; 9. Rolling roller; 10. Buckle; 11. Deflection shaft. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0025] Example 1:

[0026] Please combine Figures 1-3 This embodiment proposes a high-efficiency sealing cover for a washing machine, including a bottom cover 1. The bottom cover 1 is installed at the opening of the washing tub of the washing machine. A connecting shaft 2 is fixedly connected to the outside of the bottom cover 1. An upper sealing cover 3 is installed on the inside of the connecting shaft 2. The connecting shaft 2 and the upper sealing cover 3 are rotatably connected through a rotating shaft 4. A sealing rubber ring assembly 5 is installed between the upper sealing cover 3 and the bottom cover 1.

[0027] The sealing ring assembly 5 includes a lower washer 51 and an upper washer 53, both of which are made of rubber. The surface of the lower washer 51 is fixedly connected with washer teeth 52, and the surface of the upper washer 53 is provided with washer grooves 54.

[0028] In a further technical solution, the washer retaining teeth 52 are triangular retaining teeth, and the washer retaining groove 54 is rectangular groove, with the washer retaining teeth 52 engaging inside the washer retaining groove 54.

[0029] The specific technical solution involves installing a sealing ring assembly 5 between the upper sealing cover plate 3 and the bottom cover 1. This assembly consists of a lower washer 51 and an upper washer 53. The washer teeth 52 of the lower washer 51 engage with the washer grooves 54 of the upper washer 53, forming a multi-layer sealing structure. Simultaneously, the inner diameter of the sealing ring assembly 5 is interference-fitted with the annular groove on the outer edge of the bottom cover 1, and the initial seal is achieved by filling the gap through compression deformation.

[0030] The lower washer 51 and the upper washer 53 have arc-shaped cross-sections. The outer diameter of the lower washer 51 is interference-fitted with the annular groove on the outer edge of the bottom cover 1 and is embedded inside it. The upper washer 53 is installed on the upper sealing cover 3. The sealing ring assembly 5 is made of silicone rubber, which has high elasticity and aging resistance, and can resist high temperature, detergent corrosion and mechanical stress, reducing the risk of hardening and cracking. The lower washer 51 and the upper washer 53 are made of rubber, which further improves the sealing reliability through elastic deformation.

[0031] A mounting bracket 6 is fixedly installed on the outer edge of the bottom cover 1. A locking handle 7 is rotatably connected to the outer side of the mounting bracket 6. The mounting bracket 6 and the locking handle 7 are rotatably connected through a through rod 8. A rolling chuck 9 is rotatably connected to the inner side of the locking handle 7. A buckle 10 is integrally fixedly extended on the outer surface of the upper sealing cover 3. The outer circumferential surface of the rolling chuck 9 is provided with anti-slip teeth. The end of the buckle 10 is barbed, and the inclined surface of the barb is consistent with the inclination direction of the teeth of the rolling chuck 9 to achieve a self-locking effect when engaged.

[0032] The connection between the buckle 10 and the upper sealing cover plate 3 is provided with a reinforcing rib. The reinforcing rib has a triangular structure and is used to enhance the fracture resistance of the buckle 10. A deflection shaft 11 is movably connected between the locking handle 7 and the rolling chuck 9.

[0033] The specific technical solution involves pushing the locking handle 7 to rotate around the through rod 8, causing the rolling chuck 9 to contact the buckle 10. Since the end of the buckle 10 is hook-shaped, and the inclined surface of the hook is aligned with the anti-slip teeth on the outer circumference of the rolling chuck 9, after they come into contact, the teeth of the rolling chuck 9 roll along the inclined surface of the buckle 10, generating an inward force that forces the locking handle 7 to further press the upper sealing cover 3. At the same time, the teeth meshing achieves locking, forming a self-locking effect and preventing the cover from being accidentally opened.

[0034] In summary, through the synergistic effect of the above structures, after the lid is closed, the multi-layer sealing of the sealing ring assembly 5 and the self-locking mechanism of the locking handle 7 work together to ensure a tight fit between the lid and the tub, effectively preventing water leakage during washing, while improving energy efficiency and safety.

[0035] The working principle of this patented high-efficiency sealing cover for washing machines is as follows:

[0036] I. Cover opening and closing and foundation sealing

[0037] Opening and closing structure:

[0038] The upper sealing cover 3 is connected to the bottom cover 1 via the connecting shaft 2. The two are rotatably connected by the rotating shaft 4, and can be opened and closed by rotating around the rotating shaft 4.

[0039] Initial sealing:

[0040] A sealing ring assembly 5, consisting of a lower washer 51 and an upper washer 53, is installed between the upper sealing cover 3 and the bottom cover 1. The washer teeth 52 of the lower washer 51 engage with the washer grooves 54 of the upper washer 53 to form a multi-layer sealing structure. At the same time, the inner diameter of the sealing ring assembly 5 is interference-fitted with the annular groove on the outer edge of the bottom cover 1, and the initial seal is achieved by filling the gap through compression deformation.

[0041] II. Locking and Self-Locking Mechanism

[0042] Locking structure:

[0043] The mounting bracket 6 on the outer side of the bottom cover 1 is rotatably connected to the locking handle 7 via the through rod 8, and the inner side of the locking handle 7 is rotatably connected to the rolling chuck 9 via the deflection shaft 11. When the upper sealing cover 3 is closed, the buckle 10 on it is aligned with the rolling chuck 9.

[0044] Self-locking process:

[0045] Push the locking handle 7 to rotate around the through rod 8, and the rolling chuck 9 contacts the buckle 10. Since the end of the buckle 10 is hook-shaped, and the inclined surface of the hook is in the same direction as the anti-slip teeth on the outer circumference of the rolling chuck 9, after the two come into contact, the teeth of the rolling chuck 9 roll along the inclined surface of the buckle 10, generating an inward force, which forces the locking handle 7 to further press the upper sealing cover 3, and at the same time achieves locking through tooth meshing, forming a self-locking effect to prevent the cover from being opened accidentally.

[0046] Material properties:

[0047] The sealing ring assembly 5 is made of silicone rubber, which has high elasticity and aging resistance. It can resist high temperature, detergent corrosion and mechanical stress, and reduce the risk of hardening and cracking. The lower gasket 51 and the upper gasket 53 are made of rubber, which further improves the sealing reliability through elastic deformation.

[0048] III. Overall Sealing Effect

[0049] Through the synergistic effect of the above structures, after the cover is closed, the multi-layer sealing of the sealing ring assembly 5 and the self-locking mechanism of the locking handle 7 work together to ensure a tight fit between the cover and the tub, effectively preventing water leakage during washing, while improving energy efficiency and safety.

[0050] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A high-efficiency sealing cover for a washing machine, characterized in that, Includes a bottom cover (1), a connecting shaft (2) is fixedly connected to the outside of the bottom cover (1), an upper sealing cover plate (3) is installed on the inside of the connecting shaft (2), the connecting shaft (2) and the upper sealing cover plate (3) are rotatably connected through a rotating shaft (4), and a sealing ring assembly (5) is installed between the upper sealing cover plate (3) and the bottom cover (1); The sealing ring assembly (5) includes a lower washer (51) and an upper washer (53). The surface of the lower washer (51) is fixedly connected with washer teeth (52), and the surface of the upper washer (53) is provided with washer grooves (54). A mounting bracket (6) is fixedly installed on the outer edge of the bottom cover (1). A locking handle (7) is rotatably connected to the outer side of the mounting bracket (6). The mounting bracket (6) and the locking handle (7) are rotatably connected through a through rod (8). A rolling chuck (9) is rotatably connected to the inner side of the locking handle (7). A buckle (10) is integrally fixedly extended on the outer surface of the upper sealing cover (3). A deflection shaft (11) is movably connected between the locking handle (7) and the rolling chuck (9).

2. The high-efficiency sealing cover for a washing machine as described in claim 1, characterized in that, The lower washer (51) and the upper washer (53) have arc-shaped cross sections. The outer diameter of the lower washer (51) is interference-fitted with the annular groove on the outer edge of the bottom cover (1). The upper washer (53) is installed on the upper sealing cover plate (3).

3. The high-efficiency sealing cover for a washing machine as described in claim 1, characterized in that, The outer circumferential surface of the rolling chuck (9) is provided with anti-slip teeth, and the end of the buckle (10) is in the shape of a barb, and the inclined surface of the barb is consistent with the inclination direction of the teeth of the rolling chuck (9) to achieve a self-locking effect when engaged.

4. The high-efficiency sealing cover for a washing machine as described in claim 1, characterized in that, The connection between the buckle (10) and the upper sealing cover plate (3) is provided with a reinforcing rib. The reinforcing rib has a triangular structure and is used to enhance the fracture resistance of the buckle (10).

5. A high-efficiency sealing cover for a washing machine as described in claim 1, characterized in that, Both the lower washer (51) and the upper washer (53) are made of rubber. The washer teeth (52) are triangular teeth, and the washer groove (54) is rectangular. The washer teeth (52) are engaged inside the washer groove (54).

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