Rainwater grate and method for manufacturing a rainwater grate

CN122834069APending Publication Date: 2026-09-29NORTH CHINA METALLURGICAL CONSTR ENG CONSTR +1
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Patent Information

Application Number
CN202610979802.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-07-02
Publication Date
2026-09-29

AI Technical Summary

Technical Problem

但在实际使用时,若清理维护不及时,雨水会带着树叶、泥土或是垃圾等杂物移动,进入雨水管并可能堵在雨水篦子的入水孔处,进而对雨水管造成污染,严重时会造成道路积水堵塞及返水问题,清洁人员清理时,需要对整个雨水管内的垃圾杂物进行清理,极大地影响清洁效率,且当雨季较长,降雨量较大时,清洁人员无法及时清理雨水管中的杂物,会影响居民出行并造成环境污染

Benefits of technology

[0014]根据上面的描述和实践可知,本发明所述的雨水篦子,安装于雨水管的雨水口,包括篦子顶板、安装立杆、篦子底板和阻拦件。其中,篦子顶板包括多个贯穿设置的入水孔和连接孔,入水孔可并列设置,入水孔的尺寸可根据实际场地进行调整,使得雨水及随雨水移动的树叶泥沙可进入到雨水篦子里。连接孔内设置有伸缩把手,在需要时可通过伸缩把手拉出,进而拉出整个雨水篦子,完成对雨水篦子的清理。安装立杆设置在篦子顶板的端部且连接于篦子顶板,用于支撑整个雨水篦子,并与篦子底板形成一个整体。篦子底板与篦子顶板平行设置,连接于安装立杆,此时在利用伸缩把手取出雨水篦子时,可将篦子底板一同取出,在对雨水篦子进行清理时,也可对篦子底板上沉积的泥沙进行清理,进一步保证了雨水排出时的效率。阻拦件固定连接于安装立杆,阻拦件可围挡在安装立杆上,可将进入到雨水篦子内的树叶、泥沙等杂物阻挡在雨水篦子中,防止其随雨水继续移动进入后续回收利用装置内。

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Abstract

The present application relates to the technical field of road drainage, in particular to a rainwater grate and a manufacturing method thereof. The rainwater grate comprises a grate top plate, a mounting vertical rod, a grate bottom plate and a blocking piece. The grate top plate comprises a plurality of water inlet holes and connecting holes arranged in parallel. The connecting holes are provided with telescopic handles which can be pulled out when needed, thereby pulling out the whole rainwater grate for cleaning. The mounting vertical rod is arranged at the end of the grate top plate and connected to the grate top plate. The grate bottom plate is arranged in parallel with the grate top plate and connected to the mounting vertical rod, so that the grate bottom plate can be taken out together. When the rainwater grate is cleaned, the silt deposited on the grate bottom plate can also be cleaned, further ensuring the efficiency of rainwater drainage. The blocking piece is fixedly connected to the mounting vertical rod and can be surrounded on the mounting vertical rod to block the leaves, silt and other sundries entering the rainwater grate.
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Description

Technical Field

[0001] This invention relates to the field of road drainage technology, specifically to a rain grate and a method for manufacturing a rain grate. Background Technology

[0002] Municipal road drainage refers to a series of facilities (such as sewer networks and storm drains) built to collect, transport, and discharge rainwater and sewage from urban roads. In municipal roads, traditional storm drain grates are generally single-plate structures made of cast iron or polymer plastic, covering the storm drain pipes. However, in actual use, if cleaning and maintenance are not timely, rainwater carrying leaves, mud, or garbage can move into the storm drain pipes and potentially clog the inlet holes, causing pollution. In severe cases, this can lead to road flooding, blockages, and backflow problems. Cleaning staff need to remove all debris from the entire storm drain pipe, significantly impacting cleaning efficiency. Furthermore, during long rainy seasons with heavy rainfall, the inability of cleaning staff to promptly remove debris from the storm drain pipes can affect residents' travel and cause environmental pollution. Summary of the Invention

[0003] This invention is made to solve the above-mentioned technical problems. Its purpose is to provide a rain grate that, by reasonably setting the size of the rain grate, can be removed in one piece at the rainwater outlet. The grate uses a blocking component to intercept debris such as leaves, soil, or garbage. Cleaning personnel can directly remove the rain grate from the rainwater outlet and clean the debris inside the grate, further improving cleaning efficiency.

[0004] To achieve the above objectives, the present invention provides a rain grate, installed at the rainwater inlet of a rainwater pipe, comprising a grate top plate including a plurality of through-holes and connecting holes, wherein a telescopic handle is provided in the connecting holes; a mounting pole, disposed at the end of the grate top plate and connected to the grate top plate; a grate bottom plate, disposed parallel to the grate top plate and connected to the mounting pole; and a blocking member, fixedly connected to the mounting pole.

[0005] Preferably, the top of the mounting pole has a telescopic cavity, and the side wall of the mounting pole has a sliding hole. The bottom side wall of the telescopic handle has a slider that protrudes and is slidably connected to the sliding hole.

[0006] Preferably, the sum of the widths of the slider and the telescopic handle is greater than the inner diameter of the connecting hole.

[0007] Preferably, the bottom plate of the grate has a plurality of water-permeable holes arranged in sequence.

[0008] Preferably, the barrier and the mounting post are connected by fixing bolts.

[0009] Preferably, the barrier is a barrier net, and the height of the barrier net is greater than half the height of the mounting pole.

[0010] Preferably, the top plate of the grate, the bottom plate of the grate, and the mounting pole are stainless steel metal parts.

[0011] Preferably, the bottom plate of the grate, the top plate of the grate, and the mounting pole are connected by connecting bolts.

[0012] Preferably, the mounting pole is arranged perpendicular to the bottom plate of the grate.

[0013] This invention provides a method for manufacturing a rain grate, applicable to any of the rain grate described above, comprising: determining the dimensions of the grate top plate, grate bottom plate, and mounting posts based on the rainfall volume and the structure of the rainwater inlets at the construction site; determining the spacing of the rain grate grates based on the number of rainwater inlets at the construction site; sequentially connecting the grate top plate, the grate bottom plate, and the mounting posts using bolts; selecting the dimensions of the barrier components based on the site environment, and installing the barrier components on the mounting posts to form the rain grate; lowering the rain grate, with the grate top plate covering the rainwater inlets.

[0014] Based on the above description and practice, the rain grate of this invention, installed at the rainwater inlet of a rainwater pipe, includes a grate top plate, mounting posts, a grate bottom plate, and blocking components. The grate top plate includes multiple through-holes and connecting holes. The inlet holes can be arranged side-by-side, and their size can be adjusted according to the actual site conditions, allowing rainwater and debris such as leaves and sand carried by the rainwater to enter the rain grate. A telescopic handle is provided in the connecting hole, allowing the entire rain grate to be pulled out for cleaning when needed. The mounting posts are located at the end of the grate top plate and connected to it, supporting the entire rain grate and forming a single unit with the grate bottom plate. The grate bottom plate and top plate are installed parallel to each other and connected to the mounting pole. When removing the rain grate using the telescopic handle, the bottom plate can also be removed. During cleaning of the rain grate, accumulated silt on the bottom plate can also be cleaned, further ensuring efficient rainwater drainage. A barrier component is fixedly connected to the mounting pole and can surround the pole to block leaves, silt, and other debris entering the rain grate, preventing them from moving with the rainwater into the subsequent recycling system. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a rain grate according to one embodiment of the present invention.

[0016] Figure 2This is a schematic diagram of the structure of the top plate of a rainwater grate according to one embodiment of the present invention.

[0017] Figure 3 For the present invention Figure 1 A magnified schematic diagram of the middle circle I.

[0018] Figure 4 This is a schematic diagram of the structure of the bottom plate of a rainwater grate according to one embodiment of the present invention.

[0019] Figure 5 This is a schematic diagram of the structure of the rainwater grate blocking component in one embodiment of the present invention.

[0020] Figure 6 This is a flowchart illustrating a method for manufacturing a rain grate according to one embodiment of the present invention.

[0021] The attached figures are labeled as follows: 1. Top plate of the grate; 10. Rainwater pipe; 11. Water inlet hole; 12. Connecting hole; 13. Telescopic handle; 14. Sliding block; 2. Mounting pole; 20. Telescopic cavity; 21. Sliding hole; 3. Bottom plate of the grate; 30. Water permeable hole; 4. Barrier component; 5. Fixing bolt; 6. Connecting bolt. Detailed Implementation

[0022] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be more thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0023] Furthermore, the accompanying drawings are merely illustrative diagrams of the present invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore repeated descriptions of them will be omitted. It should be noted that in this invention disclosure, the terms "comprising," "configured with," and "set in" are used to indicate an open-ended inclusion, meaning that additional elements / components / etc. may exist besides those listed; the terms "first," "second," etc., are used only as labels and are not intended to limit the number or order of objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention.

[0024] Unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0025] This invention discloses a rain grate; for details, please refer to [reference needed]. Figures 1 to 6 The rain grate is installed at the rainwater inlet of the rainwater pipe 10 and includes a grate top plate 1, mounting rods 2, a grate bottom plate 3, and a barrier 4. The grate top plate 1 includes multiple through-holes 11 and connecting holes 12. The inlet holes 11 can be arranged side-by-side, and their size can be adjusted according to the actual site conditions, allowing rainwater and leaves and sediment carried by the rainwater to enter the rain grate. A telescopic handle 13 is installed in the connecting hole 12, allowing the entire rain grate to be pulled out for cleaning when needed. The mounting rod 2 is located at the end of the grate top plate 1 and connected to it, supporting the entire rain grate and forming a single unit with the grate bottom plate 3. The grate bottom plate 3, parallel to the grate top plate 1, is connected to the mounting pole 2. When removing the rain grate using the telescopic handle 13, the grate bottom plate 3 can also be removed. During cleaning of the rain grate, the sediment deposited on the grate bottom plate 3 can also be cleaned, further ensuring efficient rainwater drainage. The barrier 4 is fixedly connected to the mounting pole 2. The barrier 4 can enclose the mounting pole 2, blocking leaves, sediment, and other debris entering the rain grate and preventing them from continuing to move with the rainwater into the subsequent recycling device.

[0026] In some embodiments, a telescopic cavity 20 is formed at the top of the mounting pole 2, and a sliding hole 21 is formed on the side wall of the mounting pole 2. A slider 14 is protruding from the bottom side wall of the telescopic handle 13, and the slider 14 is slidably connected to the sliding hole 21. By correspondingly providing the slider 14 and the sliding hole 21, the telescopic handle 13 can move relative to the mounting pole 2. On the one hand, when the telescopic handle 13 is not needed, it can move downward along the mounting pole 2 and retract into the telescopic cavity 20, preventing the telescopic handle 13 from extending and tripping pedestrians. On the other hand, the sliding hole 21 and the slider 14 can limit the moving distance and moving angle of the telescopic handle 13, preventing the telescopic handle 13 from deviating at an angle during movement, which would prevent the telescopic handle 13 from being fully extended or retracted, affecting the normal use and removal of the rain grate.

[0027] Understandably, in order to ensure the effectiveness of the telescopic handle 13, in some embodiments, the sum of the widths of the slider 14 and the telescopic handle 13 is greater than the inner diameter of the connecting hole 12. This can prevent the telescopic handle 13 from disengaging from the telescopic cavity 20 when it is pulled, which would prevent the rain grate from being removed and thus affect the cleaning of the rain grate.

[0028] Understandably, to facilitate cleaning of the rain grate, in some embodiments, multiple permeable holes 30 are formed on the grate base plate 3, arranged sequentially. When cleaning the rain grate is required, if there is still rainwater remaining, the grate can be removed using the telescopic handle 13, allowing the rainwater to flow out through the grate base plate 3. This enables cleaning personnel to directly clean the inside of the rain grate without needing to empty the rainwater, further improving the cleaning efficiency of the rain grate.

[0029] In some embodiments, the barrier 4 and the mounting post 2 are connected by fixing bolts 5. The fixing bolts 5 can stably fix the barrier 4 to the mounting post 2, preventing the barrier 4 from falling off due to rainwater erosion, thus affecting the barrier effect on rainwater discharge.

[0030] Furthermore, in some embodiments, the barrier 4 is a barrier net, and the fixing bolts 5 can pass through the mesh of the barrier net and be fixedly connected to the mounting pole 2. The size of the mesh of the barrier net can be selected according to the construction section and the rainwater flow, ensuring the practicality of the rain grate. The height of the barrier net is greater than half the height of the mounting pole 2, which can, to a certain extent, prevent leaves, mud, sand, garbage, and other debris that move with the rainwater from entering the rainwater pipe 10.

[0031] In some embodiments, the grate top plate 1, grate bottom plate 3, and mounting pole 2 are stainless steel metal parts. The shape of the grate top plate 1 and grate bottom plate 3 can be adjusted by welding or cutting, which can improve the strength of the entire rain grate to a certain extent and prevent the rain grate from deforming when subjected to large external forces, thereby affecting its normal use.

[0032] In other embodiments, the top plate 1, bottom plate 3, and mounting rod 2 of the grate are made of polymer materials. Polymer materials have strong corrosion resistance and are well-resistant to rainwater erosion and the corrosion of mud, sand, and leaves, resulting in a longer service life and reduced maintenance costs. Furthermore, rain grates made of polymer materials have a lower density, making them lighter and easier to handle and install while maintaining strength, thus improving the efficiency of cleaning by sanitation workers.

[0033] To ensure the overall strength of the rain grate, in some embodiments, the grate base plate 3, grate top plate 1, and mounting rod 2 are connected by connecting bolts 6. This further ensures that when there is a large amount of debris inside the rain grate, the mounting rod 2 can bear the weight of the debris and the grate base plate 3, and prevents the mounting rod 2 from separating from the grate base plate 3 and grate top plate 1 when the debris is large, thus affecting the normal use of the rain grate.

[0034] Furthermore, to ensure both the usability and load-bearing capacity of the rain grate, in some embodiments, the mounting rod 2 is set perpendicular to the grate base plate 3. This prevents the rain grate from deforming due to external forces or the weight of internal debris, thus avoiding interference with its installation and removal from the rainwater pipe 10. By setting the mounting rod 2 perpendicular to both the grate base plate 3 and the grate top plate 1, the stability of the rain grate is further ensured.

[0035] When cleaning the rain grate, the cleaning staff first pulls out the telescopic handles 13 from both ends of the top plate 1 of the grate. Two people work together to pull the entire rain grate out of the rainwater pipe 10 for cleaning. Understandably, because the bottom of the rain grate accumulates a lot of debris and silt, making it quite heavy, the top plate 1 can be removed by disassembling the connecting bolts at the top, and then the bottom plate 3 and the barrier components 4 can be cleaned.

[0036] This invention provides a method for manufacturing a rain grate, applicable to the aforementioned rain grate, specifically comprising: Step S1: Determine the dimensions of the grate top plate 1, grate bottom plate 3, and installation pole 2 based on the rainfall volume and the structure of the rainwater inlet at the construction site.

[0037] In some application scenarios, the dimensions of the top plate 1, bottom plate 3, and installation pole 2 of the rain grate are determined based on the size of the rainwater pipe 10 at the construction site, the local rainfall, and the structure of the rainwater inlet, so that they conform to the size of the rainwater pipe 10 at the construction site.

[0038] Step S2: Determine the spacing of the rain grate according to the number of rainwater inlets at the construction site.

[0039] In some application scenarios, the spacing of the rain grate is determined based on the number and spacing of the rainwater inlets on the rainwater pipe 10 at the construction site, and the width of the grate top plate 1 is determined accordingly.

[0040] Step S3: Connect the top plate 1, bottom plate 3, and mounting post 2 to the grate in sequence using bolts.

[0041] In some applications, the top plate 1, bottom plate 3, and mounting pole 2 are connected sequentially to form a whole, ensuring its stability.

[0042] Step S4: Select the size of the barrier component 4 according to the site environment of the construction site, and install the barrier component 4 on the installation pole 2 to form a rainwater grate.

[0043] In some application scenarios, the size of the barrier 4 is selected according to the size of the rainwater pipe 10 at the construction site, the local rainfall, and the structure of the rainwater inlet. The barrier 4 is then installed on the installation pole 2 using fixing bolts 5 to complete the installation of the rainwater grate.

[0044] Step S5: Lower the rain grate, with the top plate 1 of the grate covering the rainwater inlet.

[0045] In some applications, the rain grate is placed inside the rainwater inlet of the rainwater pipe 10, so that the top plate 1 of the grate can be stably placed above the rainwater inlet. This prevents leaves, mud, and other debris that move with the rainwater from directly entering the rainwater pipe 10 from the rainwater inlet when the rainfall is heavy, thus affecting the cleanliness of the rainwater recycling.

[0046] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A rain grate, characterized in that, include: The top plate of the grate includes multiple through-holes and connecting holes, and a telescopic handle is provided in the connecting holes; Install uprights, which are set at the end of the top plate of the grate and connected to the top plate of the grate; The bottom plate of the grate is arranged parallel to the top plate of the grate and is connected to the mounting pole; The barrier is fixedly connected to the mounting pole.

2. The rain grate as described in claim 1, characterized in that, The top of the mounting pole has a telescopic cavity, and the side wall of the mounting pole has a sliding hole. The bottom side wall of the telescopic handle has a slider that protrudes and is slidably connected to the sliding hole.

3. The rain grate as described in claim 2, characterized in that, The sum of the widths of the slider and the telescopic handle is greater than the inner diameter of the connecting hole.

4. The rain grate as described in claim 1, characterized in that, The bottom plate of the grate has multiple water-permeable holes arranged in sequence.

5. The rain grate as described in claim 1, characterized in that, The barrier and the mounting pole are connected by fixing bolts.

6. The rain grate as described in claim 5, characterized in that, The barrier is a barrier net, and the height of the barrier net is greater than half the height of the mounting pole.

7. The rain grate as described in claim 1, characterized in that, The top plate of the grate, the bottom plate of the grate, and the mounting pole are all made of stainless steel.

8. The rain grate as described in claim 1, characterized in that, The bottom plate of the grate, the top plate of the grate, and the mounting pole are connected by connecting bolts.

9. The rain grate as described in claim 8, characterized in that, The mounting pole is set perpendicular to the bottom plate of the grate.

10. A method for manufacturing a rain grate, applicable to the rain grate according to any one of claims 1-9, characterized in that, include: The dimensions of the grate top plate, grate bottom plate, and installation poles are determined based on the rainfall volume and the structure of the rainwater inlet at the construction site. The spacing of the rain grate is determined based on the number of rainwater inlets at the construction site; The top plate of the grate, the bottom plate of the grate, and the mounting pole are connected in sequence using bolts. The size of the barrier component is selected according to the site environment of the construction site, and the barrier component is installed on the installation pole to form a rain grate; The rain grate is lowered, with the top plate of the grate covering the rainwater inlet.