Spiral diversion drainage well lid structure

Abstract

The utility model belongs to the technical field of drainage well lids, and particularly relates to a spiral flow guide drainage well lid structure which comprises a well seat, a blocking rod and a flow guide mechanism. The blocking rod moves downwards at the same time and is separated from the second drainage hole, so that rainwater can conveniently enter a sewer below the well lid plate downwards along the first drainage hole and the second drainage hole, and the drainage effect of the well lid plate is improved; rainwater on the well lid plate falls on the spiral guide plate and is discharged downwards along the surface of the spiral guide plate when entering a sewer downwards along the first drainage hole, the spiral guide plate moves downwards under the influence of the gravity of the rainwater, and the spiral guide plate moves to drive the blocking rod to move downwards until the blocking rod is separated from the second drainage hole. Therefore, rainwater enters the sewer downwards along the first drainage hole and the second drainage hole, and the spiral flow guide plate can avoid affecting the drainage efficiency of the spiral flow guide plate when the rainwater enters the surface of the spiral flow guide plate along the second drainage hole.

Description

Technical Field

[0001] This utility model belongs to the field of drainage well cover technology, specifically relating to a spiral-type flow-guiding drainage well cover structure. Background Technology

[0002] Manhole covers are a type of facility in urban flood control and drainage systems. They cover the inspection wells of drainage pipes to ensure that rainwater can be discharged smoothly through the drainage pipe system. Manhole covers are equipped with drainage holes for easy drainage. If there are too few drainage holes, urban flooding is likely to occur in rainy weather due to untimely drainage. If there are too many drainage holes, it will affect the comfort of pedestrians and cause excessive underground odors to be discharged.

[0003] Existing drainage manhole covers can increase the number of drainage holes when there is a lot of rain. For example, the utility model disclosed in CN220827876U is a manhole cover that reduces water accumulation on municipal roads. It is equipped with a water receiving tray. Rainwater enters the manhole cover through the first water inlet and falls into the water receiving tray. As the amount of rainwater in the water receiving tray increases, the water receiving tray moves downward, causing the blockage block to move downward and away from the second water inlet. Thus, the rainwater is discharged into the sewer through the first and second water inlets, which speeds up the drainage of the road surface.

[0004] The existing technology has the following problems when in use: After the second water inlet is opened, rainwater enters the water receiving tray downwards along the first and second water inlets. Since the size of the drainage hole of the water receiving tray is relatively fixed, the drainage rate of the water receiving tray remains unchanged as the amount of rainwater in the water receiving tray increases, causing rainwater to accumulate in the water receiving tray, thereby affecting the drainage effect of the manhole cover. Utility Model Content

[0005] The purpose of this invention is to provide a spiral-type drainage well cover structure to solve the technical problems mentioned in the background.

[0006] The specific technical solution adopted in this utility model is as follows:

[0007] A spiral-type drainage well cover structure includes:

[0008] Well base, the top of which is hinged to a well cover plate;

[0009] A blocking rod is provided at the bottom of the manhole cover plate. The blocking rod moves downward to improve the drainage effect of the manhole cover plate.

[0010] A flow guiding mechanism is provided on the bottom surface of the manhole cover plate. The flow guiding mechanism is used to drive the blocking rod downward when there is a lot of rainwater.

[0011] In a preferred embodiment, the well base includes an extension ring, a reinforcing plate, and a support ring. The extension ring is fixedly disposed on the bottom outer side of the well base, and a plurality of reinforcing plates are fixedly disposed on the top surface of the extension ring. The side of the reinforcing plate closest to the well base is fixedly connected to the well base, and a support ring is fixedly disposed on the inner wall of the well base.

[0012] In a preferred embodiment, the manhole cover plate includes a water guide groove, a first drainage hole, and a second drainage hole. The top surface of the manhole cover plate is provided with a water guide groove, and a plurality of first drainage holes and second drainage holes are provided through the top of the manhole cover plate. The first drainage holes and second drainage holes are respectively connected to the water guide groove.

[0013] In a preferred embodiment, the blocking rod includes a connecting plate and a fixing ring. The blocking rod is adapted to the second drainage hole and is slidably connected to the manhole cover through the second drainage hole. The connecting plate is fixedly provided on the bottom surface of the blocking rod, and a fixing ring is fixedly provided at one end of the connecting plate.

[0014] In a preferred embodiment, the flow guiding mechanism includes a spiral guide plate, a sleeve, a lifting plate, a mounting rod, and a return spring. The spiral guide plate is provided below the manhole cover, the sleeve is fixedly provided on the bottom surface of the manhole cover, the lifting plate is provided inside the sleeve, and the mounting rod and return spring are fixedly provided on the bottom surface of the lifting plate.

[0015] In a preferred embodiment, the bottom surface of the sleeve is provided with a through hole for fitting the mounting rod. The mounting rod is slidably connected to the sleeve through the through hole. The mounting rod is fixedly connected to the spiral guide plate. The mounting rod passes through the fixing ring and is fixedly connected to the fixing ring. The end of the reset spring away from the lifting plate is fixedly connected to the bottom surface inside the sleeve.

[0016] The technical effects achieved by this utility model are as follows:

[0017] This utility model, by setting a blocking rod, allows rainwater to easily flow down through the first and second drainage holes into the sewer below the manhole cover when there is a lot of rainwater on the manhole cover, thus improving the drainage effect of the manhole cover.

[0018] This invention features a flow guiding mechanism. When rainwater on the manhole cover enters the sewer through the first drainage hole, it falls onto the spiral guide plate and is discharged downwards along its surface. The spiral guide plate moves downwards under the influence of the rainwater's gravity. This movement causes the mounting rod, lifting plate, fixing ring, connecting plate, and blocking rod to move downwards, compressing the return spring. When there is excessive rainwater, the amount of rainwater flowing on the spiral guide plate increases until the blocking rod disengages from the second drainage hole. This allows the rainwater to flow downwards into the sewer through both the first and second drainage holes. The spiral guide plate's drainage efficiency is not affected when rainwater enters its surface through the second drainage hole. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the main structure of the manhole cover plate of this utility model when closed;

[0020] Figure 2 This is a schematic diagram of the main structure of the manhole cover plate of this utility model when opened;

[0021] Figure 3 This is a schematic diagram of the front view sectional structure of this utility model;

[0022] Figure 4 This is a schematic diagram of the blocking rod structure of this utility model.

[0023] The attached diagram lists the components represented by each number as follows:

[0024] 100. Well base; 101. Outer ring; 102. Reinforcing plate; 103. Support ring;

[0025] 200. Manhole cover; 201. Water guide channel; 202. First drainage hole; 203. Second drainage hole;

[0026] 300. Blocking rod; 301. Connecting plate; 302. Retaining ring;

[0027] 400. Flow guiding mechanism; 401. Spiral guide plate; 402. Sleeve; 403. Lifting plate; 404. Mounting rod; 405. Return spring. Detailed Implementation

[0028] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0029] Many specific details are set forth in the following description in order to provide a full understanding of this utility model. However, this utility model may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0030] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this utility model. The phrase "in a preferred embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that mutually excludes other embodiments.

[0031] Secondly, this utility model is described in detail with reference to the schematic diagrams. When detailing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not according to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0032] Please see the appendix Figures 1 to 2 As shown, this utility model provides a spiral-type drainage well cover structure, including: well base 100, blocking rod 300 and flow guiding mechanism 400, with well cover plate 200 hinged to the top of well base 100.

[0033] In a preferred embodiment, please refer to Figures 1 to 2 The manhole base 100 includes an outer ring 101, a reinforcing plate 102, and a support ring 103. The outer ring 101 is fixedly installed on the bottom outer side of the manhole base 100, and multiple reinforcing plates 102 are fixedly installed on the top surface of the outer ring 101. The side of the reinforcing plate 102 near the manhole base 100 is fixedly connected to the manhole base 100. The support ring 103 is fixedly installed on the inner wall of the manhole base 100. The support ring 103 can support the manhole cover 200 when the manhole cover 200 is closed.

[0034] In a preferred embodiment, please refer to Figures 1 to 2 The manhole cover plate 200 includes a water guide channel 201, a first drainage hole 202, and a second drainage hole 203. The top surface of the manhole cover plate 200 is provided with the water guide channel 201, and a plurality of first drainage holes 202 and second drainage holes 203 are provided through the top of the manhole cover plate 200. The first drainage holes 202 and second drainage holes 203 are respectively connected to the water guide channel 201. The water guide channel 201 is used to guide rainwater on the manhole cover plate 200 into the interior of the first drainage holes 202 and second drainage holes 203.

[0035] In a preferred embodiment, please refer to Figures 1 to 4 The bottom of the manhole cover plate 200 is provided with multiple blocking rods 300. Each blocking rod 300 includes a connecting plate 301 and a fixing ring 302. The blocking rod 300 is adapted to the second drain hole 203. The blocking rod 300 is slidably connected to the manhole cover plate 200 through the second drain hole 203. The blocking rod 300 blocks the second drain hole 203 to prevent odors in the sewer from being discharged outward along the second drain hole 203. The bottom surface of the blocking rod 300 is fixedly provided with a connecting plate 301, which is used to connect multiple blocking rods 300. One end of the connecting plate 301 is fixedly provided with a fixing ring 302, which is used to connect multiple connecting plates 301.

[0036] In this embodiment, when there is a lot of rainwater on the manhole cover 200, the fixing ring 302 moves downward, causing the connecting plate 301 to move downward at the same time, thereby causing the blocking rod 300 to move downward and disengage from the second drainage hole 203. This allows rainwater to easily enter the sewer below the manhole cover 200 along the first drainage hole 202 and the second drainage hole 203, improving the drainage effect of the manhole cover 200.

[0037] In a preferred embodiment, please refer to Figures 1 to 4 The bottom surface of the manhole cover plate 200 is provided with a flow guiding mechanism 400. The flow guiding mechanism 400 is composed of a spiral flow guiding plate 401, a sleeve 402, a lifting plate 403, an installation rod 404 and a return spring 405. The spiral flow guiding plate 401 is provided below the manhole cover plate 200. The sleeve 402 is fixedly provided on the bottom surface of the manhole cover plate 200. The lifting plate 403 is provided inside the sleeve 402. The installation rod 404 and the return spring 405 are fixedly provided on the bottom surface of the lifting plate 403.

[0038] In this embodiment, the top surface of the sleeve 402 is open, and the bottom surface of the sleeve 402 is provided with a through hole adapted to the mounting rod 404. The mounting rod 404 is slidably connected to the sleeve 402 through the through hole. The mounting rod 404 is fixedly connected to the spiral guide plate 401. The mounting rod 404 passes through the fixing ring 302 and is fixedly connected to the fixing ring 302. The mounting rod 404, in conjunction with the through hole, guides the movement of the spiral guide plate 401 and the fixing ring 302. The end of the return spring 405 away from the lifting plate 403 is fixedly connected to the bottom surface inside the sleeve 402.

[0039] In this embodiment, a rubber buffer pad is fixedly installed in the center of the bottom surface of the manhole cover 200. When the manhole cover 200 is closed, the rubber buffer pad is tightly attached to the top surface of the lifting plate 403. The rubber buffer pad can buffer the lifting plate 403 when it is shaken up and down by external vibrations. When the rainwater on the manhole cover 200 enters the sewer through the first drainage hole 202, it falls on the spiral guide plate 401 and is discharged downward along the surface of the spiral guide plate 401. The spiral guide plate 401 moves downward under the influence of the gravity of the rainwater. The movement of the spiral guide plate 401 drives the mounting rod 404, the lifting plate 403, the fixing ring 302, the connecting plate 301, and the blocking rod 300 downward. When the water level rises, the return spring 405 is compressed. When there is too much rainwater, the amount of rainwater flowing on the spiral guide plate 401 increases until the blocking rod 300 disengages from the second drain hole 203. This allows the rainwater to flow downwards into the sewer along the first drain hole 202 and the second drain hole 203. The spiral guide plate 401 can avoid affecting the drainage efficiency of the spiral guide plate 401 when the rainwater enters the surface of the spiral guide plate 401 along the second drain hole 203. When the amount of rainwater on the spiral guide plate 401 decreases, the return spring 405 pushes the lifting plate 403 to move the blocking rod 300 upwards and into the second drain hole 203, thus re-blocking the second drain hole 203.

[0040] The working principle of this utility is as follows:

[0041] When using the device, closing the manhole cover 200 allows the support ring 103 to support the manhole cover 200. The blocking rod 300 blocks the second drain hole 203, preventing odors from the sewer from being discharged through the second drain hole 203. During rainy weather, rainwater enters the sewer below the manhole cover 200 through the first drain hole 202. The rainwater falls onto the spiral guide plate 401 and flows downwards along its surface. The spiral guide plate 401 moves downwards due to the weight of the rainwater, causing the mounting rod 404 and the lifting plate 40 to move downwards. 3. The fixing ring 302, connecting plate 301 and blocking rod 300 move downwards, and the return spring 405 is compressed. When there is too much rainwater, the amount of rainwater flowing on the spiral guide plate 401 increases until the blocking rod 300 disengages from the second drain hole 203. The rainwater flows downwards along the first drain hole 202 and the second drain hole 203 into the sewer below the manhole cover 200, thereby improving the drainage effect of the manhole cover 200. The spiral guide plate 401 can avoid affecting the drainage efficiency of the spiral guide plate 401 when rainwater enters the surface of the spiral guide plate 401 along the second drain hole 203.

[0042] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the art.

Claims

1. A spiral-type drainage well cover structure, characterized in that: include: Well base (100), with a well cover plate (200) hinged to the top of the well base (100); A blocking rod (300) is provided at the bottom of the manhole cover plate (200). The blocking rod (300) moves downward to improve the drainage effect of the manhole cover plate (200). A flow guiding mechanism (400) is provided on the bottom surface of the manhole cover plate (200). The flow guiding mechanism (400) is used to drive the blocking rod (300) to move downward when there is a lot of rainwater.

2. The spiral-type drainage well cover structure according to claim 1, characterized in that: The well base (100) includes an extension ring (101), a reinforcing plate (102), and a support ring (103). An extension ring (101) is fixedly installed on the bottom outer side of the well base (100). Multiple reinforcing plates (102) are fixedly installed on the top surface of the extension ring (101). The side of the reinforcing plate (102) close to the well base (100) is fixedly connected to the well base (100). A support ring (103) is fixedly installed on the inner wall of the well base (100).

3. The spiral-type drainage well cover structure according to claim 1, characterized in that: The manhole cover plate (200) includes a water guide groove (201), a first drainage hole (202) and a second drainage hole (203). The top surface of the manhole cover plate (200) is provided with a water guide groove (201). Multiple first drainage holes (202) and second drainage holes (203) are provided through the top of the manhole cover plate (200). The first drainage holes (202) and second drainage holes (203) are respectively connected to the water guide groove (201).

4. The spiral-type drainage well cover structure according to claim 1, characterized in that: The plugging rod (300) includes a connecting plate (301) and a fixing ring (302). The plugging rod (300) is adapted to the second drainage hole (203). The plugging rod (300) is slidably connected to the manhole cover plate (200) through the second drainage hole (203). The connecting plate (301) is fixedly provided on the bottom surface of the plugging rod (300), and a fixing ring (302) is fixedly provided on one end of the connecting plate (301).

5. The spiral-type drainage well cover structure according to claim 4, characterized in that: The flow guiding mechanism (400) includes a spiral flow guiding plate (401), a sleeve (402), a lifting plate (403), a mounting rod (404), and a return spring (405). The spiral flow guiding plate (401) is provided below the manhole cover plate (200), and the sleeve (402) is fixedly provided on the bottom surface of the manhole cover plate (200). The lifting plate (403) is provided inside the sleeve (402), and the mounting rod (404) and the return spring (405) are fixedly provided on the bottom surface of the lifting plate (403).

6. The spiral-type drainage well cover structure according to claim 5, characterized in that: The bottom surface of the sleeve (402) is provided with a through hole for the mounting rod (404). The mounting rod (404) is slidably connected to the sleeve (402) through the through hole. The mounting rod (404) is fixedly connected to the spiral guide plate (401). The mounting rod (404) passes through the fixing ring (302) and is fixedly connected to the fixing ring (302). The end of the reset spring (405) away from the lifting plate (403) is fixedly connected to the bottom surface inside the sleeve (402).

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