WO2021128676A1

WO2021128676A1 - Sealing mechanism for dishwasher

Info

Publication number: WO2021128676A1
Application number: PCT/CN2020/087114
Authority: WO
Inventors: 司健
Original assignee: 深圳市金合联供应链技术有限公司
Priority date: 2019-12-27
Filing date: 2020-04-27
Publication date: 2021-07-01
Also published as: CN110960175A

Abstract

Provided is a sealing mechanism for a dishwasher, which is provided between a dishwasher door liner (100) and a liner base (200), and comprises a sealing adhesive tape (10) and a clamping plate frame (20) used for disposing the sealing adhesive tape (10) on the dishwasher door liner (100). The sealing adhesive tape (10) comprises a sealing base (11). The sealing base (11) is provided with a recess (111). The recess (111) is provided with at least one water flow channel (112) for allowing liquid to pass through. A blocking portion (12) used for blocking liquid from spattering to the outside is provided above the sealing base (11). A bending portion (13) used for sealing a gap between the dishwasher door liner (100) and the liner base (200) is provided below the sealing base (11). The clamping plate frame (20) comprises an upper clamping plate (21) and a lower clamping plate (22) used for clamping the sealing adhesive tape (10) in the middle. The upper clamping plate (21) is provided with a water blocking plate (211) located above the water flow channel (112) and used for blocking the water flow from spattering. Compared with the prior art, the sealing mechanism uses the sealing adhesive tape (10) to seal a gap between the dishwasher door liner (100) and the liner base (200), and works with the blocking portion (12) and the water blocking plate (211) to block liquid from spattering and prevent liquid from flowing out.

Description

Sealing mechanism for dishwasher

Technical field

The invention relates to the field of dishwashers, in particular to a sealing mechanism for dishwashers.

Background technique

In a conventional dishwasher, when washing dishes, a pressure pump and a spray nozzle spray washing water to the dishes located in the dishwasher to perform dish washing operations. The washing water after washing operation flows out through the outlet provided on the inner container base. During this process, due to the gap between the dishwasher door lining and the inner container base, the washing water after washing operation is likely to pass through the gap. In this way, it causes potential safety hazards and affects the user’s experience.

In conventional dishwashers, a single-layer seal is usually provided between the door lining and the liner base to avoid dripping and leakage of washing water along the lower edge of the door lining and to prevent noise from being transmitted during the washing operation. However, the existing single-layer sealing element has a complicated installation process and insufficient airtightness, and it is also prone to dripping of washing water, which may cause safety hazards and affect the user experience.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

In view of the above-mentioned problems, the present invention provides a sealing mechanism for dishwashers, which seals the gap between the door lining of the dishwasher and the base of the inner container, prevents liquid from splashing, and prevents liquid from flowing out.

The technical scheme adopted by the present invention is:

A sealing mechanism for a dishwasher is arranged between the dishwasher door lining and the inner container base, and includes a sealing rubber strip and a splint rack for installing the sealing rubber strip on the dishwasher door lining. The sealing strip includes a sealing base, a groove is provided in the sealing base, and at least one water flow channel for liquid to pass through is provided in the groove, and a blocking part for blocking the liquid from splashing to the outside is arranged above the sealing base , The sealing base is provided with a bent part for sealing the gap between the dishwasher door lining and the inner container base; the splint frame includes an upper splint and a lower splint for clamping the sealing strip in the middle, an upper splint and The lower splint adopts riveting fitting. The upper splint is provided with a water baffle above the water flow channel for blocking water splashing. A side opening communicating with the water flow channel is formed between at least one side of the water baffle and the upper splint. The lower splint is provided with a lower through opening corresponding to the water flow channel.

Preferably, the height of the water baffle on the upper clamping plate is lower than the height of the blocking part.

Preferably, the water baffles above the adjacent one or more water flow channels are connected to form a baffle body.

More preferably, the cross section of the water baffle is arc-shaped.

Preferably, the blocking portion includes at least one blocking unit, a gap is left between adjacent blocking units, and the length of each blocking unit is not less than the same as the length of the baffle body.

More preferably, side openings communicating with the water flow channel are formed between the two sides of the water baffle and the upper splint respectively.

Preferably, the outer side of the upper splint is bent to form a folded edge.

Preferably, the inner side wall of the sealing base forms a fitting edge which is fitted on the inner wall of the dishwasher door lining.

Preferably, both the upper splint and the lower splint are made of metal materials.

The beneficial effects of the invention

Beneficial effect

Compared with the prior art, the present invention has the beneficial effects that: the present invention provides a sealing mechanism for dishwashers, which adopts a sealing rubber strip to seal the gap between the dishwasher door lining and the liner base, and cooperates with the blocking part And the water baffle block the splashing of the liquid and prevent the liquid from flowing out; and the upper and lower splints are used to install the sealing rubber strip on the dishwasher door lining to enhance the strength and avoid abrasion.

Brief description of the drawings

Description of the drawings

Figure 1 is a schematic diagram of a sealing mechanism for a dishwasher provided by the present invention.

Figure 2 is a schematic diagram of a sealing mechanism for a dishwasher provided by the present invention applied to a dishwasher.

Figure 3 is an exploded view of a sealing mechanism for a dishwasher provided by the present invention.

Figure 4 is a cross-sectional view of a sealing mechanism for a dishwasher provided by the present invention.

Fig. 5 is a schematic cross-sectional view of a sealing rubber strip in a sealing mechanism for a dishwasher provided by the present invention.

Fig. 6 is a schematic cross-sectional view of an upper splint in a sealing mechanism for a dishwasher provided by the present invention.

The best embodiment for implementing the invention

The best mode of the present invention

The preferred embodiments of the present invention will be described in detail based on the drawings.

Figures 1 to 6 are preferred embodiments of a sealing mechanism for dishwashers provided by the present invention. The sealing mechanism for the dishwasher is arranged between the dishwasher door lining 100 and the inner container base 200. The dishwasher door lining 100 is connected to the inner container fixing seat 200 through a hinge 300, and the dishwasher door lining 100 is used The hinge 300 can perform door opening and closing actions. As shown in Figures 1 to 6, the sealing mechanism for the dishwasher is fixed on the lower edge of the dishwasher door lining 100, and the door lining 100 performs door opening and closing actions, and plays a role in washing dishes during the rotation process. The effect of sealing the gap between the door lining 100 and the liner base 200. The sealing mechanism for dishwashers includes a sealing strip 10 and a splint frame 20 for mounting the sealing strip on the door lining of the dishwasher. The sealing strip 10 includes a sealing base 11 and a sealing base 11 A groove 111 is provided in the groove, and at least one water flow channel 112 for the passage of liquid is provided in the groove. A blocking portion 12 for blocking the liquid from splashing to the outside is provided above the sealing base 11, and below the sealing base is provided There is a bent portion 13 for sealing the gap between the dishwasher door lining 100 and the inner container base 200, and the blocking portion 12 is located outside the water flow channel 112; the splint frame 20 includes an upper splint for clamping the sealing strip in the middle 21 and the lower splint 22. The upper splint 21 and the lower splint 22 are fitted by riveting. The upper splint 21 is provided with a water baffle 211 above the water flow channel for blocking water splashing. At least one side of the water baffle 211 A side opening 212 communicating with the water flow channel is formed with the upper splint. The lower splint 22 is provided with a lower through opening 221 corresponding to the water flow channel. The upper splint 21 and the lower splint 22 sandwich the sealing strip 10 in the middle to form a seal The skeleton of the rubber strip 10 is convenient to install on the lower edge of the dishwasher door lining 100 to enhance the strength of the sealing rubber strip 10. At the same time, when the liquid passes through the water flow channel 112 and sputters, it is located directly above the water flow channel 112 opening. The plate 211 blocks the liquid from sputtering outward in the vertical direction. After the liquid sputtered in the lateral direction passes through the water flow channel 112 and the side opening 212, the liquid cannot be spattered outward due to the blocking portion 12 on the outside. It is rebounded into the groove 111, and finally passes through the side opening 212 and enters the water flow channel 112 to return.

It is worth noting that the height of the water baffle 211 on the upper clamping plate 21 is lower than the height of the blocking portion 12, so that the height of the side opening 212 formed is lower than the height of the blocking portion 12, reducing the possibility of liquid reflection.

As a preferred embodiment, side openings 212 communicating with the water flow channel are formed between the two sides of the water baffle 211 and the upper splint respectively. When one side of the water baffle 211 and the upper splint form a side opening 212, the other side of the water baffle 211 is connected to the upper splint as a whole, or when side openings are formed on both sides, a sealing base is used. There is a vertical baffle to seal one of the side openings to prevent water from passing through; as shown in FIG. 6, when the side openings 212 are formed on both sides, the height of the side openings is lower to reduce the possibility of liquid reflection.

The sealing rubber strip 10 is made of rubber material, and the upper splint 21 and the lower splint 22 are made of metal material, so the installation is firm and reliable, and wear is reduced. The sealing rubber strip has a certain degree of elasticity, and has a reliable sealing effect without affecting the opening and closing action of the dishwasher door lining. The blocking part 12 and the bending part 13 in the above-mentioned sealing rubber strip 10 and the water baffle 211 on the upper clamping plate 21 seal the gap between the dishwasher door lining 100 and the inner container base 200, which improves the dishwasher The sealing effect of the lower edge of the door lining 100 of the machine avoids the problem of insufficient sealing effect and poor sound insulation caused by only a single-layer sealing element setting, which effectively improves the user experience.

For simple machining, the water baffles above two or more adjacent water flow channels 112 are connected to form a baffle body. The cross section of the water baffle 211 may be arc-shaped. The water flow channels 112 may be arranged in a straight line, and two or more adjacent water flow channels are divided into a group, and the baffle body on the upper splint 21 is located above each water flow channel in the group. In addition, a blocking post 113 is provided between adjacent water flow channels to enhance the strength.

The outer side of the upper clamping plate 21 is bent to form a flange 213 to support the blocking portion 12 of the sealing base 11 to prevent the blocking portion 12 of the sealing base 11 from deforming toward the dishwasher door lining 100. A peripheral edge is provided around the bottom of the water flow channel 112 to increase the strength, and the peripheral edge passes through the lower opening 221 to prevent the water flow channel 112 from being deformed.

The blocking portion 12 includes at least one blocking unit 121, and there is a gap between adjacent blocking units 121. The length of each blocking unit 121 is not less than the length of the baffle body, which saves material and is convenient for the blocking portion 12 to wash dishes. The rotation of the door lining 100 is deformed.

The inner side wall of the sealing base 11 forms a fitting edge 14 which is fitted to the inner wall of the dishwasher door lining to avoid liquid leakage. The height of the blocking portion 12 on the outer side wall of the sealing base 11 is higher than the height of the bonding edge 14.

The bottom edge of the dishwasher door liner 100 is bent outward to form a door liner 101. The door liner 101 is provided with at least two door liner mounting holes 1011; the upper splint 21 is provided with at least two upper Mounting holes 214, the lower splint 22 is provided with at least two lower mounting holes 222, the sealing base 11 is provided with at least two base mounting holes 114, the door trim 101, the upper splint 21, and the sealing base 11 and the lower splint 22 are stacked in order from top to bottom, and are installed through the door liner mounting hole 1011, the upper mounting hole 214, the base mounting hole 114, and the lower mounting hole 222 by means of pins.

When the dishwasher door liner 100 is in a vertically closed state, the bent portion 13 seals between the bottom of the dishwasher door liner 100 and the inner container base 200. When the liquid splashes upward from the water flow channel 112, a part of it splashes in the vertical direction. The sprayed liquid is blocked by the water baffle 211 and directly returns from the water flow channel 112. After the liquid sputtered in the lateral direction passes through the water flow channel 112 and the side opening 212, the liquid cannot be blocked due to the blocking portion 12 on the outside. Sputtering to the outside, and being bounced into the groove 111, and finally passing through the side opening 212 into the water flow channel 112 to return; when the dishwasher door liner 100 is in a horizontally opened state, the bending portion 13 deforms and seals the dishwasher door The gap between the liner 100 and the liner base 200 prevents liquid from flowing out, and at this time, the liquid has mainly flowed out from the water outlet hole of the liner base 200.

In summary, the technical solution of the present invention can fully and effectively achieve the above-mentioned purpose of the invention, and the structure and functional principles of the present invention have been fully verified in the embodiments, and can achieve the expected effect and purpose without departing from the original Under the premise of the principle and essence of the invention, various changes or modifications can be made to the embodiments of the invention. Therefore, the present invention includes all the replacement content mentioned in the scope of the patent application, and any equivalent changes made within the scope of the patent application of the present invention fall within the scope of the patent application in this case.

Claims

A sealing mechanism for a dishwasher is arranged between the dishwasher door lining and the inner container base, and includes a sealing rubber strip and a splint rack for installing the sealing rubber strip on the dishwasher door lining. Its characteristics are The sealing rubber strip includes a sealing base, a groove is provided in the sealing base, and at least one water flow channel for liquid to pass is provided in the groove, and the sealing base is provided with a water flow channel for preventing liquid from splashing to the outside. Bending part for sealing the gap between the dishwasher door lining and the inner container base is provided under the sealing base; the splint frame includes an upper splint and a lower splint for clamping the sealing strip in the middle , The upper splint and the lower splint are matched by riveting, and the upper splint is provided with a water baffle located above the water flow channel for blocking water sputtering, and at least one side of the water baffle and the upper splint is formed to communicate with the water flow channel The side opening of the lower splint is provided with a lower through opening corresponding to the water flow channel.
The sealing mechanism for a dishwasher according to claim 1, wherein the height of the water baffle on the upper clamping plate is lower than the height of the blocking part.
The sealing mechanism for a dishwasher according to claim 1, wherein the water baffle above the adjacent one or more water flow channels are connected to form an integral baffle body.
The sealing mechanism for a dishwasher according to claim 3, wherein the cross section of the water baffle is arc-shaped.
The sealing mechanism for a dishwasher according to claim 3, wherein the blocking portion includes at least one blocking unit, a gap is left between adjacent blocking units, and the length of each blocking unit is not less than the length of the blocking unit. The length of the board is the same.
The sealing mechanism for a dishwasher according to claim 1, wherein the two sides of the arc-shaped water baffle and the upper clamping plate respectively form side openings communicating with the water flow channel.
The sealing mechanism for a dishwasher according to claim 1, wherein the outer side of the upper clamping plate is bent to form a flange.
The sealing mechanism for a dishwasher according to claim 1, wherein the inner side wall of the sealing base forms a fitting edge which is stuck to the inner wall of the dishwasher door lining.
The sealing mechanism for a dishwasher according to claim 1, wherein a stop post is provided between adjacent through openings.
The sealing mechanism for a dishwasher according to claim 1, wherein the upper and lower clamping plates are made of metal materials.