A multifunctional rain grate accessory with insect-proof, odor-proof, and garbage-sedimentation functions.

Abstract

This utility model relates to the field of municipal drainage facilities technology, specifically to a multifunctional rainwater grate accessory with insect-proof, odor-proof, and garbage sedimentation functions. It includes a garbage collection trough and first and second self-closing valves installed on the trough. The garbage collection trough has an upward-facing opening and consists of a hanging part, a flood discharge part, and a filter part connected sequentially from top to bottom. The flood discharge part has a flood discharge port on its side wall, and the filter part has a filter baffle in the middle with rainwater leakage holes. Above the filter baffle is a garbage chamber, and below it is a drainage chamber. The drainage chamber has a drainage outlet on its side wall. The doors of the first and second self-closing valves respectively block the flood discharge outlet and the drainage outlet from the outside. This accessory can be directly used in existing grate installation wells. Adding this accessory below the rainwater grate achieves the functions of garbage sedimentation, blocking mosquitoes and odors. It has advantages such as simple structure, low manufacturing cost, easy installation, and strong practicality.

Description

Technical Field

[0001] This utility model relates to the field of municipal drainage facilities technology, specifically to a multifunctional rain grate accessory with insect-proof, odor-proof, and garbage sedimentation functions. Background Technology

[0002] Rainwater grates are an important part of the municipal drainage system. They are mainly used to collect rainwater from the road surface and direct it into the sewer, while preventing large debris from entering. Most existing rainwater grates are grid-type structures, which can only block larger debris and have the following defects: (1) Poor insect prevention: The gaps between the grids are directly connected to the sewer. In summer, insects (such as mosquitoes and cockroaches) can easily crawl out of the sewer through the gaps between the grates and onto the ground, affecting the living environment and hygiene safety; (2) Garbage can easily clog the sewer: Small garbage such as leaves and debris can easily enter the sewer through the grid with rainwater. Long-term accumulation can easily cause pipe blockage, resulting in waterlogging on the road surface during rainy days. Moreover, cleaning up garbage in the sewer is difficult and costly; (3) Single function: Existing grates do not have a special garbage sedimentation and temporary storage structure. Garbage needs to be cleaned after entering the pipe with rainwater. It is impossible to intercept garbage at the source and cannot take into account the dynamic balance between insect prevention and drainage. (4) Poor odor prevention effect: The gaps between the grilles are directly connected to the sewer, and odors can easily escape from the sewer through the gaps between the grilles to the ground, affecting the living environment and hygiene safety; Utility Model Content

[0003] The purpose of this utility model is to provide a multifunctional rain grate accessory with insect-proof, odor-proof, and garbage sedimentation functions, which can be installed under the existing rain grate to intercept garbage, prevent insects and odors under normal conditions, and not affect the drainage function of the grate.

[0004] The technical solutions for achieving the above objectives include the following:

[0005] A multifunctional rainwater grate accessory with insect-proof, odor-proof, and garbage sedimentation functions includes a garbage collection trough, first and second self-closing valves installed on the garbage collection trough, the garbage collection trough opening facing upwards, and the trough including a hook-on part, a flood discharge part, and a filter part connected sequentially from top to bottom. The hook-on part is conical, wider at the top and narrower at the bottom, and the size of the upper port of the hook-on part matches the drain outlet at the bottom of the rainwater grate. The top periphery of the hook-on part is provided with a skirt, the size of which matches the opening size of the grate installation well. The flood discharge part has a flood discharge outlet on its side wall, and the filter part has a filter baffle in the middle with rainwater leakage holes. Above the filter baffle is a garbage chamber, and below it is a drainage chamber. The cavity sidewall has a drain outlet. The first and second self-closing valves each include a door leaf and a horizontal hinge shaft installed on the top side of the door leaf. The horizontal hinge shaft is connected to the garbage collection trough. The first self-closing valve is installed above the second self-closing valve. The door leaf of the first self-closing valve is larger than the flood discharge outlet, and the door leaf of the second self-closing valve is larger than the drain outlet. Under the action of gravity, the door leaves of the first and second self-closing valves respectively block the flood discharge outlet and the drain outlet from the outside. During operation, the garbage collection trough is set in the grate installation well below the rainwater grate. The upper end of the hook part receives the drain outlet of the rainwater grate. There is space for the door leaf to swing outward between the trough and the inner wall of the grate installation well.

[0006] Furthermore, the waste collection tank is made of stainless steel or corrosion-resistant plastic.

[0007] Furthermore, the taper of the connecting part is 5°-15°. A suitable taper effectively guides the water flow.

[0008] Furthermore, the rainwater infiltration holes are square or round, with a diameter of 1mm-2mm. A suitable diameter for the rainwater infiltration holes ensures good water filtration while preventing garbage leakage.

[0009] Furthermore, the waste collection tank is integrally molded, and this integral structure can reduce production costs.

[0010] The aforementioned multi-functional accessory is used in conjunction with existing rain grate grates. The skirt size matches the grate installation opening, ensuring installation beneath the existing rain grate. When there is no rain, the first self-closing valve blocks the flood outlet, and the second self-closing valve blocks the drainage hole. The sealed garbage collection trough prevents insects from entering and odors from escaping. Leaves or other garbage seeping from the gaps in the rain grate will settle on the filter plate. Sanitation workers can remove the accessory as needed to empty the garbage, allowing rainwater to flow... When the flow rate is low, rainwater will flow into the drainage chamber through the rainwater seepage holes. The water accumulated in the drainage chamber will force open the second self-weight closing valve and be discharged from the drain outlet into the waterway. If the rainwater flow rate is too high, the debris on the filter baffle may block the drainage. The rainwater seepage holes may not be able to drain the water in time. The rainwater pressure accumulated in the debris collection tank will force open the first self-weight closing valve blocking the flood discharge outlet and be discharged from the flood discharge outlet. Since the opening of the flood discharge outlet is much larger than the rainwater seepage holes, even in the event of heavy rain, this accessory will not affect the normal drainage of the rainwater grate.

[0011] This utility model's multifunctional accessory, under normal conditions, prevents mosquitoes from entering and exiting, and blocks foul odors from escaping from the sewer. In emergencies such as heavy rain, the flood discharge outlet can be opened without affecting rainwater drainage. This accessory can be directly used in existing grate installation wells. By adding this accessory under the rainwater grate, it can achieve the functions of settling garbage, blocking mosquitoes, and blocking foul odors. It has the advantages of simple structure, low manufacturing cost, easy installation, and strong practicality. Attached Figure Description

[0012] Figure 1 The diagram illustrates the usage status of the multifunctional rain grate accessory as shown in the embodiment when the flood discharge outlet and drainage outlet are open. Figure 2 This is a diagram illustrating the usage status of the multifunctional rainwater grate accessory as an example when the flood discharge outlet and drainage outlet are closed.

[0013] In the diagram, 1. Rain grate; 2. Garbage collection trough; 2-1. Hanging part; 2-2. Flood discharge outlet; 2-3. Filter baffle; 2-4. Drainage chamber; 3. First gravity-closing valve; 4. Second gravity-closing valve. Detailed Implementation

[0014] The present invention will be described in detail below with reference to the embodiments.

[0015] See Figure 1 and 2A multifunctional rainwater grate accessory with insect-proof, odor-proof, and garbage sedimentation functions includes a one-piece molded garbage collection trough 2 made of corrosion-resistant plastic material, first and second self-closing valves installed on the garbage collection trough 2, the opening of the garbage collection trough 2 facing upwards, and the trough 2 consisting of a hanging part 2-1, a flood discharge part, and a filter part connected sequentially from top to bottom. The hanging part 2-1 is tapered with a taper of 10° and the size of the upper port of the hanging part 2-1 matches the bottom drain outlet of the rainwater grate 1. The top periphery of the hanging part 2-1 is provided with a skirt, the size of which matches the opening size of the grate installation well. The side wall of the flood discharge part is provided with a flood discharge port 2-2, and the middle of the filter part is provided with a filter baffle 2-3 with rainwater leakage holes of 1.5mm in diameter. Above the filter baffle 2-3 is the garbage chamber, and below it is the drainage chamber 2-4. The drainage chamber 2-4 has a drainage outlet on its side wall. The first and second self-closing valves both include a door leaf and a horizontal hinge shaft installed on the top side of the door leaf. The horizontal hinge shaft is connected to the garbage collection tank 2. The first self-closing valve 3 is installed above the second self-closing valve 4. The door leaf of the first self-closing valve 3 is larger than the flood discharge outlet 2-2, and the door leaf of the second self-closing valve 4 is larger than the drainage outlet. Under the action of gravity, the door leaves of the first and second self-closing valves respectively block the flood discharge outlet 2-2 and the drainage outlet from the outside. When working, the garbage collection tank 2 is set in the grate installation well below the rainwater grate 1. The upper end of the hanging part 2-1 receives the drainage outlet of the rainwater grate 1. There is space for the door leaf to swing outward between the tank 2 and the inner wall of the grate installation well.

[0016] The multifunctional accessory of this embodiment can be assembled and used based on the existing municipal drainage facility structure. The existing rain grate 1 is opened, and the garbage collection tank 2 is placed into the grate installation well with the opening facing upward. After the skirt is attached to the installation step at the edge of the well opening, the accessory is fixed. Then the rain grate 1 is reset, and at this time the upper port of the garbage collection tank 2 is aligned with the drain outlet of the rain grate 11. Normally, garbage leaking from the gaps in the rain grate 1 settles on the filter baffles 2-3. Sanitation workers can remove the tank 2 to empty the garbage as needed, thus preventing it from entering the sewer. When it is not raining, the first and second self-closing valves block the flood outlet 2-2 and the drain outlet respectively, thus preventing mosquitoes from entering and blocking odors from overflowing from the sewer. When a sudden rainstorm occurs, the water on the ground enters the collection tank 2 and cannot drain through the filter baffles 2-3 in time. The pressure of the water in the collection tank will force open the first self-closing valve 3 blocking the flood outlet 2-2, and the water will be discharged from the flood outlet 2-2 into the sewer, thus accelerating drainage.

[0017] The multifunctional accessory of this embodiment can be directly installed below the existing rain grate 1 to achieve beneficial functions such as blocking mosquitoes, settling garbage, and preventing sewer odor from overflowing. It has the advantages of low manufacturing cost, easy installation and wide application prospects.

Claims

1. A multifunctional rainwater grate accessory with insect and odor prevention and garbage sedimentation functions, characterized in that, The garbage collection tank body is upwardly open, and the tank body comprises, from top to bottom, a hanging part, a flood discharge part and a filter part, the hanging part is tapered from top to bottom, the size of the upper port of the hanging part matches the size of the bottom water outlet of the rainwater grate, a skirt is arranged on the top of the hanging part, the size of the skirt matches the size of the well mouth of the grate installation well, the side wall of the flood discharge part is provided with a flood discharge port, the middle part of the filter part is provided with a filter partition plate, the filter partition plate is provided with rainwater leakage holes, the upper part of the filter partition plate is a garbage chamber, and the lower part of the filter partition plate is a drainage chamber, the side wall of the drainage chamber is provided with a drainage port, the first and second self-weight closing valves each comprise a door leaf and a horizontal hinge shaft arranged on the top side of the door leaf, the horizontal hinge shaft is connected with the garbage collection tank body, the first self-weight closing valve is arranged above the second self-weight closing valve, the size of the door leaf of the first self-weight closing valve is greater than that of the flood discharge port, the size of the door leaf of the second self-weight closing valve is greater than that of the drainage port, under the action of gravity, the door leaf of the first and second self-weight closing valves respectively shields the flood discharge port and the drainage port from the outside, and when working, the garbage collection tank body is arranged in the grate installation well below the rainwater grate, the upper port of the hanging part receives the water outlet of the rainwater grate, a door leaf outward swinging space is left between the tank body and the inner wall of the grate installation well, the taper of the hanging part is 5°-15°, and the rainwater leakage holes are square or circular and have a diameter of 1mm-2mm.

2. The multifunctional rainwater grate accessory with insect and odor prevention and garbage sedimentation function according to claim 1, characterized in that, The garbage collection tank body is made of stainless steel or corrosion-resistant plastic.

3. The multifunctional rainwater grate accessory with insect and odor prevention and garbage sedimentation function according to claim 1, characterized in that, The garbage collection tank body is integrally formed.

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