Downward concave type greenbelt structure

By introducing drainage wells, overflow outlets, and rainwater connection pipes into the sunken green space structure, the problem of untimely drainage of green spaces during heavy rains has been solved, achieving effective rainwater storage and transportation, reducing the risk of urban flooding, and improving the practicality and safety of the device.

CN223805666UActive Publication Date: 2026-01-16HUIZHOU HONGTAI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202520401602.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

The existing sunken green space structure has a fast drainage speed during periods of heavy rainfall, which can cause urban drainage pipes to be unable to drain the water from the green space in time, easily leading to waterlogging, reducing the effectiveness of rainwater storage and affecting the practicality of the system.

Method used

A green space structure was designed, which includes a sewer well, an overflow drain outlet, and a rainwater connection pipe. Rainwater infiltrates through the planting filler layer. When the rainfall is too heavy, the overflow drain outlet introduces the excess rainwater into the sewer well and delivers it to the municipal pipe network. Combined with protective mechanisms and filters, it prevents garbage from entering and reduces the pressure on the municipal pipe network.

Benefits of technology

It effectively reduces the drainage pressure on municipal pipe networks, prevents urban flooding, improves the practicality of the device, meets the needs of users, and reduces the burden on staff by simplifying the installation process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model relates to the technical field of greenbelt construction, and discloses a concave greenbelt structure which comprises a sewer well, the top of the sewer well is fixedly connected with a mounting ring, the inner side of the mounting ring is fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with a base, the top of the base is provided with an overflow type water outlet, and the overflow type water outlet is communicated with the sewer well. An original soil layer is arranged at the bottom of the outer side of the sewer well, a geotechnical cloth layer is arranged at the top of the original soil layer, a planting filler layer is arranged at the top of the geotechnical cloth layer, a planting layer is arranged at the top of the planting filler layer, and a rainwater connecting pipe communicates with the middle lower portion of the right side of the sewer well. According to the utility model, the planting filler layer can guide rainwater to infiltrate downwards, when the rainfall is large, the rainwater is accumulated deeply, excessive rainwater can be guided into the sewer well through the overflow type water outlet and is conveyed into a municipal pipe network through the rainwater connecting pipe, the water drainage pressure of the municipal pipe network is greatly reduced, and urban waterlogging is not easy to occur.
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Description

TECHNICAL FIELD

[0001] The utility model relates to green land construction technical field especially relates to a concave green land structure. BACKGROUND

[0002] The concave green land is a kind of green land form below the ground of periphery, and the ground elevation is usually 20 to 30 cm or so lower than surrounding road or square, forms certain low space, can reduce rainwater surface runoff, reduces the pressure of urban drainage system, plays the role of rainwater regulation and storage, helps to alleviate urban waterlogging problem.

[0003] Through the retrieval, China patent publication No. CN221855707U discloses a concave green land structure, relates to green land structure technical field, including green land main part, the green land main part top end fixedly connected with support block, the green land main part top end center is equipped with pit, the green land main part inside top end fixedly connected with connecting pipe, the gravel layer bottom end fixedly connected with planting layer, the utility model discloses green land main part and pit top end are equipped with support block and support frame, make support frame can be laid on pit top, fill up concave structure, prevent pit collapse on one hand, effectively fill up concave defect on the other hand, by being equipped with connecting pipe in pit inside bottom end, pit inside accumulated water can flow to connecting pipe inside through water-permeable hole, when pit inside accumulated water is too much and spills to the side of permeable board close to top, reaches the place of communication with drain groove, pit inside accumulated water can be drained by connecting pipe, permeable board and drain groove respectively, prevents accumulated water overflow, improves the drainage effect of device, but the concave green land structure when using, since its drainage is fast, when rainfall is larger, urban drainage pipeline cannot discharge the water in green land in time, is easy to form waterlogging in city, and it is not conducive to the rainwater regulation and storage effect of concave green land structure, reduces the practicability of the device, cannot satisfy the demand of user. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a concave green land structure, aims at improving the problem of inconvenient rainwater regulation and storage effect in prior art concave green land structure.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a concave green land structure, including the downspout, the top of downspout is fixedly connected with the mounting ring, the inboard of mounting ring is fixedly connected with the mounting seat, the top of mounting seat is fixedly connected with the base, the top of base is provided with the overflow drainage, the bottom of the outside of downspout is provided with the original soil layer, the top of original soil layer is provided with the geotextile layer, the top of geotextile layer is provided with the planting filler layer, the top of planting filler layer is provided with the planting layer, the lower middle part of the right side of downspout is communicated with the rainwater connecting pipe, the right end of rainwater connecting pipe penetrates overflow drainage, the outside of downspout is provided with the protection mechanism all around, the protection mechanism is convenient for providing protection for the green land structure.

[0006] Through the above technical scheme, rainwater is gathered above the planting layer, and the planting filler layer guides the rainwater to infiltrate, when the rainfall is large, the rainwater accumulates deeply, at this time, the overflow drainage can introduce too much rainwater into the downspout, and the rainwater is transported to the municipal pipe network through the rainwater connecting pipe, which greatly reduces the drainage pressure of the municipal pipe network, and the urban waterlogging is not easy to occur, and the practicability of the device is improved, which can meet the needs of the user.

[0007] As a further description of the above technical scheme:

[0008] The protection mechanism includes a plurality of guard plates, each of which is arranged around the outside of the downspout, a hollow column is fixedly connected to the left side of each guard plate, an inner cavity is formed in the right end of the inner side of the upper middle part of each guard plate, a rotating rod is rotatably connected to the top of the inner side of each inner cavity, a worm is fixedly connected to the bottom end of each rotating rod, a rotating column is rotatably connected to the inner side of the lower middle part of each hollow column, a worm wheel is fixedly connected to the front side of the outer wall of each rotating column, the worm wheel is meshed with the worm, a gear is fixedly connected to the outer side of the middle part of each rotating column, a concave column is fixedly connected to the right end of the inside of each hollow column, a cylindrical rack is slidably connected to the inside of each concave column, the cylindrical rack is meshed with the gear, and the bottom end of each cylindrical rack penetrates the guard plate and is engaged with the hollow column.

[0009] Through the above technical scheme, rotating the rotating rod drives the worm to rotate, which can finally drive the cylindrical rack to move downward and be inserted into the hollow column, so that the guard plate can be conveniently installed, and the work burden of the staff is reduced.

[0010] As a further description of the above technical scheme:

[0011] Hinges are fixedly connected to the front and rear ends of the bottom of the overflow drainage, and the overflow drainage is rotatably connected to the base through the hinges.

[0012] Through the above technical scheme, the overflow drainage can be opened to clean the inside of the downspout.

[0013] As a further description of the above technical solution:

[0014] The top end of the rotating rod penetrates the protective plate and is fixedly connected with a knob, and the inner side of the hollow column is matched in size with the cylindrical rack.

[0015] Through the above technical solution, the knob is convenient for the staff to rotate the rotating rod, and the cylindrical rack will not shake.

[0016] As a further description of the above technical solution:

[0017] The top of the overflow drainage outlet is fixedly connected with a handle, and the outer side of the handle is fixedly connected with a sheath.

[0018] Through the above technical solution, the handle is convenient for the staff to open the overflow drainage outlet, and the sheath enables the staff to hold the handle more comfortably.

[0019] As a further description of the above technical solution:

[0020] The inner side of the manhole is fixedly connected with a falling prevention net at the upper middle part, and the top of each of the plurality of protection mechanisms is fixedly connected with a guardrail.

[0021] Through the above technical solution, the falling prevention net and the guardrail can provide protection for personnel, so that pedestrians will not accidentally fall into the manhole.

[0022] As a further description of the above technical solution:

[0023] The inner left side of the rainwater connecting pipe is fixedly connected with a filter screen, and the inner side of the rainwater connecting pipe is matched in size with the filter screen.

[0024] Through the above technical solution, the filter screen can filter the water in the manhole, so that garbage will not enter the municipal pipeline.

[0025] As a further description of the above technical solution:

[0026] The top rear side of the planting layer is fixedly connected with a support rod, and the top of the support rod is fixedly connected with an identification.

[0027] Through the above technical solution, the identification can remind passing pedestrians to prevent them from stepping into the depression.

[0028] The utility model has the following beneficial effects:

[0029] 1. The utility model discloses when the rain comes, because the concave structure, rainwater gathers above the planting layer, the planting filler layer can guide the rainwater infiltration at this moment, when the rainfall is larger, the rainwater is accumulated deeper, at this moment, too much rainwater can be introduced into the sewer well through the overflow drainage port, and is transported to the municipal pipe network through the rainwater connecting pipe, greatly reduces the drainage pressure of the municipal pipe network, and urban waterlogging is not easy to occur, improve the practicability of the device, can satisfy the demand of the user.

[0030] 2. The utility model discloses the knob drives the rotation of the rotating rod, and the rotating rod can drive the rotation of the worm again, because the worm wheel is engaged with the worm, and the worm wheel drives the rotation of the rotating column, and the rotation of the rotating column can drive the rotation of the gear again, because the cylindrical rack and the gear are engaged with each other, at this moment, the cylindrical rack can be inserted with the hollow column by moving downward, which can conveniently install the guard plate and reduce the work burden of the staff. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a perspective view of the concave green land structure for the utility model;

[0032] Figure 2 It is a partial structure sectional view of the concave green land structure for the utility model;

[0033] Figure 3 It is a partial structure split view of the concave green land structure for the utility model;

[0034] Figure 4 It is a guard plate structure sectional view of the concave green land structure for the utility model;

[0035] Figure 5 It is a partial structure schematic view of the concave green land structure for the utility model.

[0036] LEGEND:

[0037] 1, sewer well, 2, protection mechanism, 201, guard plate, 202, hollow column, 203, inner chamber, 204, rotating rod, 205, worm, 206, rotating column, 207, worm wheel, 208, gear, 209, concave column, 210, cylindrical rack, 3, mounting ring, 4, mounting seat, 5, base, 6, overflow drainage port, 7, original soil layer, 8, geotextile layer, 9, planting filler layer, 10, planting layer, 11, rainwater connecting pipe, 12, hinge, 13, handle, 14, sheath, 15, knob, 16, anti-falling net, 17, filter screen, 18, support rod, 19, mark, 20, guardrail. DETAILED DESCRIPTION

[0038] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0039] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a concave green land structure, including the well 1, the top of well 1 is fixedly connected with installation ring 3, the inner side of installation ring 3 is fixedly connected with mounting seat 4, the top of mounting seat 4 is fixedly connected with base 5, the top of base 5 is provided with overflow drainage 6, the outside bottom of well 1 is provided with original soil layer 7, the top of original soil layer 7 is provided with geotextile layer 8, the top of geotextile layer 8 is provided with planting filler layer 9, the top of planting filler layer 9 is provided with planting layer 10, the right side middle and lower part of well 1 is connected with rainwater connecting pipe 11, the right end of rainwater connecting pipe 11 penetrates overflow drainage 6, the periphery of the outside of well 1 is provided with protection mechanism 2, protection mechanism 2 is convenient for providing protection for the green land structure, the right side bottom of overflow drainage 6 is fixedly connected with hinge 12, and overflow drainage 6 is rotatably connected with base 5 through hinge 12;

[0040] Specifically, in the concave green land structure, geotextile layer 8 can effectively filter the infiltrated rainwater, ensure the cleanliness of rainwater, and the subsequent planting filler layer 9 uses gravel as the main filling material, can guide rainwater to infiltrate smoothly, through the filtering effect of geotextile layer 8, finally enters original soil layer 7, planting layer 10 is located in the uppermost layer of the structure, not only provides the soil for the growth of green plant crops, but also when rainwater comes, due to the special structure of the concave green land, rainwater will naturally gather above planting layer 10, at this time, planting filler layer 9 plays a role, guides rainwater to continue to infiltrate, when encountering larger rainfall, rainwater accumulates deeper, overflow drainage 6 can introduce too much rainwater into well 1, then through rainwater connecting pipe 11, these excess rainwater is transported to the municipal pipe network, greatly reduces the drainage pressure of the municipal pipe network, effectively prevents the occurrence of urban waterlogging, ensures the stability and safety of the urban drainage system, improves the practicability of the device, can meet the needs of the user, and overflow drainage 6 can be opened through hinge 12, and the inside of well 1 is cleaned.

[0041] With reference to Figure 1 , Figure 4 and Figure 5The protective mechanism 2 includes protective plates 201, with multiple protective plates 201 respectively arranged around the outer perimeter of the sewer well 1. A hollow column 202 is fixedly connected to the left side of each protective plate 201. An inner cavity 203 is formed at the upper right end of the inner side of each protective plate 201. A rotating rod 204 is rotatably connected to the top of each inner cavity 203. A worm gear 205 is fixedly connected to the bottom end of each rotating rod 204. A rotating column 206 is rotatably connected to the lower inner side of each hollow column 202. A worm wheel 207 is fixedly connected to the front side of the outer wall of the rotating column 206. The worm wheel 207 and the worm gear 205... 5. Engaging connection: A gear 208 is fixedly connected to the middle of the outer side of the rotating column 206; a concave column 209 is fixedly connected to the right end of the hollow column 202; a cylindrical rack 210 is slidably connected inside the concave column 209; the cylindrical rack 210 is engaged with the gear 208; the bottom end of the cylindrical rack 210 passes through the guard plate 201 and engages with the hollow column 202; the top end of the rotating rod 204 passes through the guard plate 201 and is fixedly connected with a knob 15; the inner dimensions of the hollow column 202 match the dimensions of the cylindrical rack 210.

[0042] Specifically, during the construction of the green space structure, it is necessary to install the protective plate 201. At this time, first turn the knob 15. The knob 15 drives the rotating rod 204 to rotate, and the rotation of the rotating rod 204 will drive the worm 205 to rotate. Since the worm 205 and the worm wheel 207 are meshed with each other, the worm wheel 207 will also rotate. The rotation of the worm wheel 207 will drive the rotating column 206 to rotate, and the rotation of the rotating column 206 will cause the gear 208 to rotate. Since the gear 208 and the cylindrical rack 210 are meshed with each other, when the gear 208 rotates, the cylindrical rack 210 will move downward and engage with the hollow column 202, thus completing the installation of the protective plate 201 and reducing the workload of the workers.

[0043] Reference Figure 1 , Figure 2 and Figure 3 A handle 13 is fixedly connected to the top of the overflow drain outlet 6, a protective sleeve 14 is fixedly connected to the outside of the handle 13, a fall protection net 16 is fixedly connected to the upper middle part of the inner side of the drain well 1, and guardrails 20 are fixedly connected to the top of the multiple protective mechanisms 2.

[0044] Specifically, the handle 13 makes it easy for staff to open the overflow drain outlet 6, the sleeve 14 allows staff to hold the handle 13 more comfortably, and the fall protection net 16 and guardrail 20 provide protection for personnel.

[0045] Reference Figure 1 and Figure 2The inner left side of the rainwater connecting pipe 11 is fixedly connected with a filter screen 17, the inner side size of the rainwater connecting pipe 11 matches the size of the filter screen 17, the top rear side of the planting layer 10 is fixedly connected with a support rod 18, and the top of the support rod 18 is fixedly connected with an identification 19.

[0046] Specifically, the filter screen 17 can filter the rainwater in the downspout well 1, so that sundries cannot enter the municipal pipe network through the rainwater connecting pipe 11, and the identification 19 can remind pedestrians to pay attention to the depression.

[0047] Working principle: The geotextile layer 8 in the sunken green land structure can filter the infiltrated rainwater, the planting filler layer 9 uses gravel as a filler to guide the infiltration of rainwater into the original soil through the geotextile layer 8, and the planting layer 10 is used to plant green plants, when the rain comes, due to the sunken structure, rainwater will gather above the planting layer 10, at this time, the planting filler layer 9 will guide the infiltration of rainwater, when the rainfall is large, the rainwater accumulates deep, at this time, the excessive rainwater can be introduced into the downspout well 1 through the overflow type drainage port 6 and transported to the municipal pipe network through the rainwater connecting pipe 11, through the design, the drainage pressure of the municipal pipe network is greatly reduced, and urban waterlogging is not easy to occur.

[0048] And when the green land structure is constructed, first, the guard plate 201 is installed, at this time, the knob 15 is rotated, the rotation of the knob 15 drives the rotation of the rotating rod 204, the rotating rod 204 drives the rotation of the worm 205, since the worm gear 207 meshes with the worm 205, the worm gear 207 drives the rotation of the rotating column 206, the rotation of the rotating column 206 drives the rotation of the gear 208, since the cylindrical rack 210 meshes with the gear 208, at this time, the cylindrical rack 210 moves downward to be inserted into the hollow column 202, so that the guard plate 201 can be conveniently installed.

[0049] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A sunken green structure comprising a water well (1), characterized in that: The top of the sewer well (1) is fixedly connected with a mounting ring (3), the inner side of the mounting ring (3) is fixedly connected with a mounting seat (4), the top of the mounting seat (4) is fixedly connected with a base (5), the top of the base (5) is provided with an overflow drainage outlet (6), the outer side bottom of the sewer well (1) is provided with a original soil layer (7), the top of the original soil layer (7) is provided with a geotextile layer (8), the top of the geotextile layer (8) is provided with a planting filler layer (9), the top of the planting filler layer (9) is provided with a planting layer (10), the right side middle and lower part of the sewer well (1) is communicated with a rainwater connecting pipe (11), the right end of the rainwater connecting pipe (11) penetrates the overflow drainage outlet (6), the outer side of the sewer well (1) is provided with a protection mechanism (2), and the protection mechanism (2) is convenient for providing protection for the green land structure.

2. A sunken lawn structure according to claim 1, wherein: The protection mechanism (2) comprises a guard plate (201), a plurality of guard plates (201) are arranged on the outer side of the sewer well (1), the left side of the guard plate (201) is fixedly connected with a hollow column (202), the inner side middle and upper part right end of the guard plate (201) is provided with an inner cavity (203), the inner side top of the inner cavity (203) is rotatably connected with a rotating rod (204), the bottom end of the rotating rod (204) is fixedly connected with a worm (205), the inner side middle and lower part of the hollow column (202) is rotatably connected with a rotating column (206), the outer wall front side of the rotating column (206) is fixedly connected with a worm wheel (207), the worm wheel (207) is meshed with the worm (205), the outer side middle part of the rotating column (206) is fixedly connected with a gear (208), the inner right end of the hollow column (202) is fixedly connected with a concave column (209), the inner side of the concave column (209) is slidably connected with a cylindrical rack (210), the cylindrical rack (210) is meshed with the gear (208), and the bottom end of the cylindrical rack (210) penetrates the guard plate (201) and is clamped with the hollow column (202).

3. A sunken lawn structure as claimed in claim 1 wherein: The right side bottom of the overflow drainage outlet (6) is fixedly connected with a hinge (12), and the overflow drainage outlet (6) is rotatably connected with the base (5) through the hinge (12).

4. A sunken lawn structure according to claim 2, wherein: The top end of the rotating rod (204) penetrates the guard plate (201) and is fixedly connected with a knob (15), and the inner side size of the hollow column (202) is matched with the size of the cylindrical rack (210).

5. A sunken lawn structure as claimed in claim 1, wherein: The top of the overflow drainage outlet (6) is fixedly connected with a handle (13), and the outer side of the handle (13) is fixedly connected with a sheath (14).

6. A sunken lawn structure according to claim 2, wherein: The inner side middle and upper part of the sewer well (1) is fixedly connected with a falling prevention net (16), and the top of the plurality of protection mechanisms (2) is fixedly connected with a guardrail (20).

7. A sunken lawn structure as claimed in claim 1, wherein: The inner left side of the rainwater connecting pipe (11) is fixedly connected with a filter screen (17), and the inner side size of the rainwater connecting pipe (11) is matched with the size of the filter screen (17).

8. A sunken lawn structure according to claim 1, wherein: The top rear side of the planting layer (10) is fixedly connected with a support rod (18), and the top of the support rod (18) is fixedly connected with a sign (19).