Waterproof curtain for dish washer

By designing multi-level waterproof curtain components and hanging components, the problem of deformation and leakage of traditional dishwasher waterproof curtains during high-frequency use is solved, achieving effective waterproofing and long service life in environments with high-frequency opening and closing and strong water flow.

CN224483942UActive Publication Date: 2026-07-14苏州菩提树智能清洗设备有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
苏州菩提树智能清洗设备有限公司
Filing Date
2025-08-05
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional dishwashers' waterproof curtains are prone to deformation and damage due to the impact of high-pressure water flow, and cannot effectively prevent water from overflowing. This is especially true when dishes are frequently moved in and out, and the leakage is serious, failing to meet the waterproof sealing requirements of high-frequency use scenarios.

Method used

The system employs a multi-stage waterproof curtain assembly, including a staggered arrangement of the first, second, and third waterproof curtains. Combined with the design of the hanging components and counterweights, it forms a three-dimensional, multi-layered barrier. As water flow needs to change direction multiple times, the hanging components allow the waterproof curtains to sway slightly, while the counterweights keep the curtains vertical, enhancing their impact resistance.

Benefits of technology

It significantly improves waterproofing, reduces the probability of leakage, extends service life, and ensures the stability and durability of the waterproof curtain in high-frequency opening and closing and strong water flow environments, meeting the waterproof sealing requirements of dishwashers.

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Abstract

The utility model discloses a waterproof curtain for dish washer, include: multistage waterproof curtain subassembly, including first waterproof curtain, second waterproof curtain, third waterproof curtain, first waterproof curtain, second waterproof curtain, third waterproof curtain are in turn up and down staggered distribution, hang the component that links to each other, including first hanging strip, second hanging strip and hang the buckle, first waterproof curtain, second waterproof curtain, third waterproof curtain's rear end top outer wall all suture first hanging strip, second waterproof curtain, third waterproof curtain's front end outer wall suture second hanging strip, relate to waterproof curtain technical field, through first, second, third waterproof curtain's up and down staggered distribution, form three -dimensional multilayer barrier, when dish washer internal water flow impact waterproof curtain, change flow direction and consume kinetic energy many times, reduce water flow penetration probability greatly, compared with the problem that traditional single -layer waterproof curtain is easy because direct impact or deformation leads to water leakage, effectively prevent sewage overflow, improved commercial dish washer's waterproof effect.
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Description

Technical Field

[0001] This utility model relates to the field of waterproof curtain technology, specifically a waterproof curtain for dishwashers. Background Technology

[0002] In the daily use of commercial dishwashers, the waterproof curtain is a key component to prevent wastewater from overflowing during the washing process and to ensure a clean kitchen environment. Traditional dishwasher waterproof curtains mostly adopt a single-layer structure design, covering the dishwasher opening with a single curtain body. Existing single-layer waterproof curtains rely on only a single barrier to block water flow. When the high-pressure water flow inside the dishwasher impacts the curtain body, it is prone to leakage due to curtain deformation, partial damage, or direct penetration. Especially during the frequent loading and unloading of tableware, the lack of three-dimensional protection at the curtain opening allows water to overflow directly through the single-layer crack, failing to meet the waterproof sealing requirements of high-frequency dishwasher use scenarios. Utility Model Content

[0003] The purpose of this invention is to provide a waterproof curtain for dishwashers to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution:

[0005] A waterproof curtain for a dishwasher includes:

[0006] A multi-level waterproof curtain assembly includes a first waterproof curtain, a second waterproof curtain, and a third waterproof curtain, wherein the first waterproof curtain, the second waterproof curtain, and the third waterproof curtain are arranged in a staggered manner, one above the other.

[0007] The hanging assembly includes a first hanging strip, a second hanging strip, and a hook. The first hanging strip is sewn to the top outer wall of the rear end of the first, second, and third waterproof curtains, and the second hanging strip is sewn to the outer wall of the front end of the second and third waterproof curtains. The first and second hanging strips are connected to the hook in conjunction with the hook.

[0008] In a preferred embodiment of this utility model, the top back of the first waterproof curtain is attached to the outer wall of the dishwasher housing by means of a curtain track and a hook. The surfaces of the first, second, and third waterproof curtains are all provided with openings.

[0009] In a preferred embodiment of the present invention, the top of the opening is provided with a circular hole, and the edges of the opening and the circular hole are provided with a finishing structure.

[0010] In a preferred embodiment of the present invention, the openings on the surfaces of the first and third waterproof curtains are positioned in a corresponding manner, and the opening on the surface of the second waterproof curtain is located at the middle of the openings on the surfaces of the first and third waterproof curtains.

[0011] In a preferred embodiment of this utility model, the hook is S-shaped, with a first hook at the top and a second hook at the bottom.

[0012] In a preferred embodiment of this utility model, a first hanging tube is fixedly installed on the outer wall of the first hanging strip, and the first hook is engaged with the first hanging tube for connection.

[0013] In a preferred embodiment of this utility model, a second hanging tube is fixedly installed on the outer wall of the second hanging strip, and the second hook is engaged with the second hanging tube for hanging connection.

[0014] In a preferred embodiment of this utility model, counterweights are fixedly installed on the bottom outer walls of the first, second, and third waterproof curtains, and the counterweights are used to enhance the compressive strength of the waterproof curtains.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0016] 1. By staggering the first, second, and third waterproof curtains vertically and combining them with the staggered layout of the openings in each layer, a three-dimensional multi-layer barrier is formed. When the water inside the dishwasher impacts the waterproof curtains, it must pass through a tortuous path of "upper layer - middle layer - lower layer", changing its flow direction multiple times and consuming kinetic energy, which greatly reduces the probability of water penetration. Compared with the problem of leakage caused by direct impact or deformation of traditional single-layer waterproof curtains, this design can still maintain excellent waterproof effect in high-frequency opening and closing and strong water flow environment, effectively preventing sewage from overflowing and improving the waterproof effect of commercial dishwashers.

[0017] 2. The flexible connection design of the S-shaped hook and the hanging tube allows the waterproof curtain to swing slightly when tableware is put in or taken out or when water flow impacts it, reducing the risk of tearing or hook detachment caused by rigid collisions. The bottom counterweight keeps the curtain hanging vertically by gravity, suppressing shaking and rolling caused by water flow impact, and accelerating the automatic reset of the curtain after it is pushed open. This structure significantly improves the impact resistance and long-term reliability of the waterproof curtain, reduces the frequency of maintenance, and extends its service life. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the main structure of a waterproof curtain for a dishwasher;

[0020] Figure 2 A schematic diagram of the installation structure of the first hanging strip assembly in a waterproof curtain for a dishwasher;

[0021] Figure 3 A schematic diagram of a hook installation structure in a waterproof curtain for a dishwasher;

[0022] Figure 4 This is a schematic diagram of the hook structure in a waterproof curtain for a dishwasher;

[0023] Figure 5 This is a schematic diagram of the counterweight structure in a waterproof curtain for a dishwasher.

[0024] In the diagram: First waterproof curtain 100, second waterproof curtain 110, third waterproof curtain 120, circular hole 130, opening 131, counterweight 140, first hanging strip 200, first hanging tube 210, hook 220, first hook 221, second hook 222, second hanging strip 230, second hanging tube 231. Detailed Implementation

[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0026] Example 1: As Figures 1-5 ,include:

[0027] The multi-level waterproof curtain assembly includes a first waterproof curtain 100, a second waterproof curtain 110, and a third waterproof curtain 120, which are arranged in a staggered manner, one above the other.

[0028] The hanging assembly includes a first hanging strip 200, a second hanging strip 230, and a hook 220. The first hanging strip 200 is sewn to the top rear wall of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120. The second hanging strip 230 is sewn to the front wall of the second waterproof curtain 110 and the third waterproof curtain 120. The first hanging strip 200 and the second hanging strip 230 are connected to the hook in conjunction with the hook.

[0029] The specific application scenario of this embodiment is as follows: The multi-level waterproof curtain assembly forms a multi-layer barrier structure through the staggered distribution of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120. When the dishwasher door is opened, the tableware enters and exits through the opening 131. When the water flow impacts the waterproof curtain, the multi-level staggered structure forces the water flow to change direction multiple times. By setting the staggered distribution of the openings 131, the water flow can be guided when it splashes onto the surface of the waterproof curtain, reducing the possibility of splashing, improving the waterproof effect, and reducing the impact force and splash range of the water flow. The first hanging strip 200 and the second hanging strip 230 in the hanging assembly cooperate with the hook 220 to allow each waterproof curtain to be flexibly hung and its position adjusted, ensuring that the waterproof curtain can automatically reset when the tableware enters and exits, maintaining the waterproof effect.

[0030] Example 2: Figures 2-4 The top back of the first waterproof curtain 100 is attached to the outer wall of the dishwasher housing via a curtain track and a hook 220. The surfaces of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120 are all provided with openings 131. The top of the opening 131 is provided with a circular hole 130. The edges of the opening 131 and the circular hole 130 are provided with a finishing structure. The openings 131 on the surfaces of the first waterproof curtain 100 and the third waterproof curtain 120 are positioned in the same front and back. The opening 131 on the surface of the second waterproof curtain 110 is located in the middle of the openings 131 on the surfaces of the first waterproof curtain 100 and the third waterproof curtain 120.

[0031] The specific application scenario of this embodiment is as follows: the openings 131 on the surfaces of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120 serve as tableware channels. The circular holes 130 at the top of the curtains serve to disperse stress and prevent the openings from tearing during frequent opening and closing. The edge-sealing structure enhances the edge strength and further improves durability. The openings of the first waterproof curtain 100 and the third waterproof curtain 120 are aligned front to back, while the opening of the second waterproof curtain 110 is located in the middle. This layout forms a maze-like channel, which requires water to change its path multiple times when penetrating each layer of waterproof curtains, greatly reducing the probability of leakage.

[0032] Example 3: Figures 2-4 The hook 220 is S-shaped, with a first hook 221 at the top and a second hook 222 at the bottom. A first hooking tube 231 is fixedly installed on the outer wall of the first hanging strip 200, and the first hook 221 and the first hooking tube 231 are connected together. A second hooking tube 231 is fixedly installed on the outer wall of the second hanging strip 230, and the second hook 222 and the second hooking tube 231 are connected together.

[0033] The specific application scenario of this embodiment is as follows: The S-shaped design of the hook 220 allows the first hook 221 at the top and the second hook 222 at the bottom to be flexibly hooked to the first hook tube 231 and the second hook tube 231, respectively. When the tableware moves in and out and pushes the waterproof curtain, the hook 220 allows the waterproof curtain to swing within a certain range, avoiding damage caused by rigid collision. At the same time, this connection method facilitates the disassembly and cleaning of the waterproof curtain. The reverse setting of the first hook 221 and the second hook 222 ensures that they will not accidentally come off during the swinging process, ensuring structural stability. It also facilitates the installation and disassembly of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120, improving the convenience of use and making it easy to disassemble and wash the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120.

[0034] Example 4: Figure 4 The bottom outer walls of the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120 are all fixedly equipped with counterweights 140, which are used to enhance the pressure resistance of the waterproof curtains.

[0035] The specific application scenario of this embodiment is as follows: The counterweight 140 is installed at the bottom of each waterproof curtain to keep the waterproof curtain vertical by gravity, thereby enhancing its ability to resist water flow impact. When the dishwasher is working, the water flow impact may cause the waterproof curtain to shake or even roll up. The counterweight increases inertia to resist this disturbance and ensures that the waterproof curtain always keeps an effective shield. In addition, the counterweight can also make the waterproof curtain quickly return to its original position after being pushed away by the tableware, thereby improving the waterproof efficiency.

[0036] The working principle of this utility model is as follows: When used by those skilled in the art, the first waterproof curtain 100, the second waterproof curtain 110, and the third waterproof curtain 120 are staggered vertically to form a three-dimensional shielding structure. When the dishwasher door is opened, the tableware enters and exits through the openings 131 on the surface of each waterproof curtain. The openings adopt a maze-like layout, with the openings of the first and third waterproof curtains corresponding front to back, and the opening of the second waterproof curtain centered. This forces the water flow to pass through a tortuous path of "upper layer - middle layer - lower layer," changing its flow direction multiple times and consuming kinetic energy, significantly reducing the risk of leakage. The circular holes 130 and the edge-sealing structure disperse stress and enhance edge strength, preventing the openings 131 from tearing due to frequent opening and closing, ensuring long-term reliability. The hanging component uses the double hook design of the S-shaped hook 220, which cooperates with the first hooking tube 231 of the first hanging strip 200 and the second hooking tube 231 of the second hanging strip 230, respectively. This flexible connection allows the waterproof curtain to swing slightly when the tableware enters and exits, reducing rigid collision damage. At the same time, the geometric constraints of the hook ensure structural stability. When water impacts or After the tableware pushes open the waterproof curtain, the elastic reset characteristic of the hooks allows each layer of the curtain to automatically return to its original position, maintaining the integrity of the barrier. The counterweights 140 at the bottom of each waterproof curtain, through gravity, keep the curtain vertically hanging, resisting swaying and rolling caused by water flow impact or internal air pressure fluctuations. When water impacts the waterproof curtain, the increased inertial mass of the counterweights suppresses curtain vibration, preventing leakage due to excessive deformation. When the tableware pushes open the curtain, the gravity pull of the counterweights accelerates the curtain's reset, ensuring rapid restoration of the waterproof function. In its structure, the multi-level staggered layout is the core waterproofing mechanism. It reduces water penetration rate through physical barriers and complex paths. The flexible hook-and-loop design solves the problem of damage to rigid connections and improves durability. The counterweight and opening stress dispersion design optimize details from the perspectives of stability and durability. The three work together to ensure that the waterproof curtain can effectively prevent sewage from overflowing in the scenario of high-frequency opening and closing and strong water flow impact in the dishwasher, while ensuring the convenience of putting and taking out tableware, and extending its own service life, thus meeting the waterproof sealing and practical needs of the dishwasher.

[0037] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A waterproof curtain for a dishwasher, characterized in that, include: The multi-level waterproof curtain assembly includes a first waterproof curtain (100), a second waterproof curtain (110), and a third waterproof curtain (120), wherein the first waterproof curtain (100), the second waterproof curtain (110), and the third waterproof curtain (120) are arranged in a staggered manner in sequence. The hanging assembly includes a first hanging strip (200), a second hanging strip (230), and a hook (220). The first hanging strip (200) is sewn to the top outer wall of the rear end of the first waterproof curtain (100), the second waterproof curtain (110), and the third waterproof curtain (120). The second hanging strip (230) is sewn to the outer wall of the front end of the second waterproof curtain (110) and the third waterproof curtain (120). The first hanging strip (200) and the second hanging strip (230) are connected to the hook in cooperation.

2. A waterproof curtain for a dishwasher according to claim 1, characterized in that, The top back of the first waterproof curtain (100) is attached to the outer wall of the dishwasher housing by means of a curtain track and a hook (220). The surfaces of the first waterproof curtain (100), the second waterproof curtain (110), and the third waterproof curtain (120) are all provided with openings (131).

3. A waterproof curtain for a dishwasher according to claim 2, characterized in that, The top of the opening (131) is provided with a circular hole (130), and the edges of the opening (131) and the circular hole (130) are provided with a finishing structure.

4. A waterproof curtain for a dishwasher according to claim 3, characterized in that, The openings (131) on the surfaces of the first waterproof curtain (100) and the third waterproof curtain (120) are positioned in the same front and back. The opening (131) on the surface of the second waterproof curtain (110) is located in the middle of the openings (131) on the surfaces of the first waterproof curtain (100) and the third waterproof curtain (120).

5. A waterproof curtain for a dishwasher according to claim 1, characterized in that, The hook (220) is S-shaped, with a first hook (221) at the top and a second hook (222) at the bottom.

6. A waterproof curtain for a dishwasher according to claim 5, characterized in that, The first hanging strip (200) is fixedly installed on the outer wall of the first hanging tube (210), and the first hook (221) is connected to the first hanging tube (210) in a cooperative manner.

7. A waterproof curtain for a dishwasher according to claim 6, characterized in that, The second hanging strip (230) is fixedly installed on the outer wall of the second hanging tube (231), and the second hook (222) is connected to the second hanging tube (231).

8. A waterproof curtain for a dishwasher according to claim 1, characterized in that, The bottom outer walls of the first waterproof curtain (100), the second waterproof curtain (110), and the third waterproof curtain (120) are all fixedly equipped with counterweights (140), which are used to enhance the pressure resistance of the waterproof curtains.