A manhole cover with filtering structure

By designing control components and movable components on the manhole cover, the mechanical structure of the turntable and sliding shaft is used to improve the fixing effect and theft resistance of the manhole cover, solving the problem that existing manhole covers are prone to theft, reducing economic losses and safety risks, and maintaining the filtering function.

CN222716176UActive Publication Date: 2025-04-04FUBON CONSTRUCTION GROUP CO LTD NINGZHOU BRANCH
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Patent Information

Application Number
CN202421084873.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-04-04
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The drainage manhole covers with filter structures used for existing municipal drainage buildings are easily stolen, resulting in economic losses and safety hazards.

Method used

A manhole cover with a filter structure is designed, with a filter mesh fixedly installed on the top of the manhole cover and a control component and a movable component are provided on the surface. The sliding shaft is driven by rotation of the turntable, and the restriction rod slides in the fixing block and is inserted into the groove of the wellhead, improving the fixing effect and theft resistance of the manhole cover.

Benefits of technology

It effectively improves the fixing effect and theft resistance of the manhole cover, reduces economic losses and safety hazards, and maintains the filtering function of the manhole cover to prevent excessive garbage from entering the sewer pipe and causing blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building municipal drainage, and discloses a manhole cover with a filtering structure, comprising a manhole, wherein the manhole cover is placed inside the manhole, a control component and a movable component are arranged on the surface of the manhole cover, and the movable component comprises: a fixed ring, wherein the fixed ring is fixedly mounted on the top of the manhole cover, a turntable is rotatably connected to the bottom of the manhole cover, a rotating shaft is fixedly mounted on the top of the turntable, the rotating shaft passes through the manhole cover, and the sliding shaft is slidably connected to the inside of the turntable. When the turntable rotates, the manhole cover with the filtering structure will use the arc groove provided on the surface of the turntable to resist the sliding shaft, and drive the sliding shaft to slide away from the center point of the turntable, and when the sliding shaft slides, it will also drive the limiting rod to move in the same sliding direction of the sliding shaft inside the fixed block, so as to be inserted into the groove provided in the wellhead for restriction, thereby improving the fixing effect and anti-theft performance of the manhole cover and reducing economic losses.
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Description

Technical Field

[0001] The utility model relates to the technical field of building municipal drainage, in particular to a manhole cover with a filtering structure. Background Art

[0002] Drainage manhole covers are used to cover deep wells on roads or in homes to prevent people or objects from falling. According to the material, they can be divided into metal manhole covers, high-strength fiber cement concrete manhole covers, resin manhole covers, etc. They are generally round. They can be used in green belts, sidewalks, motorway lanes, docks, alleys, etc. Since drainage manhole covers are easy to absorb debris such as branches, the filtering structure is particularly important.

[0003] However, the existing drainage manhole covers with filtering structures for building municipal drainage are often placed outdoors, which makes the drainage manhole covers very easy to be stolen outdoors, causing economic losses and increasing safety hazards when people and vehicles are walking. Utility Model Content

[0004] The purpose of the utility model is to provide a manhole cover with a filtering structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole cover with a filtering structure, comprising a manhole, a manhole cover is placed inside the manhole, a filter screen is fixedly installed on the top of the manhole cover, rainwater can be filtered to prevent excessive garbage from entering the sewer pipe and causing blockage, a control component and a movable component are arranged on the surface of the manhole cover, when the turntable rotates, the arc groove provided on the surface of the turntable will be used to resist the sliding shaft, and the sliding shaft is driven to slide away from the center point of the turntable, and when the sliding shaft slides, the limiting rod will also be driven to move in the same sliding direction of the sliding shaft inside the fixed block, and the movable component includes:

[0006] A fixed ring, the fixed ring is fixedly installed on the top of the manhole cover, a turntable is rotatably connected to the bottom of the manhole cover, a telescopic rotating shaft is fixedly installed on the top of the turntable, and the telescopic rotating shaft passes through the manhole cover;

[0007] The sliding shaft is slidably connected to the inside of the rotating disk, a sliding sheet is fixedly installed on the surface of the sliding shaft, and the sliding sheet is slidably connected to the surface of the rotating disk;

[0008] A fixed block is fixedly installed on the inner side of a fixed ring, a limiting rod is slidably connected inside the fixed block, the limiting rod passes through the fixed ring, and the limiting rod is fixedly installed on the outer side of the sliding shaft, so that it is inserted into a groove opened at the wellhead for limitation, thereby improving the fixing effect and anti-theft performance of the well cover and reducing economic losses.

[0009] Preferably, the control component comprises: a clamping plate, the clamping plate is slidably connected to the top of the telescopic shaft, an insertion shaft is fixedly installed on the bottom of the clamping plate, the insertion shaft passes through the telescopic shaft, and a fixed spring is fixedly installed on the inner side of the insertion shaft.

[0010] Preferably, a retaining ring is fixedly installed on the top of the manhole cover, which can drive the telescopic shaft to extend through the telescopic effect of the telescopic shaft. When the telescopic shaft is extended, the plug-in shaft will reset under the action of the fixed spring, thereby driving the use of the movable component by manually rotating the plug-in shaft, thereby improving the protectiveness and protection strength of the manhole cover.

[0011] Preferably, a groove is provided on the inner side of the wellhead to restrict the insertion shaft.

[0012] Preferably, an arc groove is provided on the surface of the turntable, and the arc groove can be used to drive the sliding shaft to slide.

[0013] Preferably, a sliding groove is provided on the top of the telescopic shaft, which can drive the clamping plate to slide on the top of the telescopic shaft.

[0014] Preferably, a plug hole is provided on the top of the manhole cover for drainage.

[0015] Compared with the prior art, the utility model provides a manhole cover with a filtering structure, which has the following beneficial effects:

[0016] 1. The manhole cover with a filtering structure, when the turntable rotates, will use the arc groove opened on the surface of the turntable to resist the sliding shaft, and drive the sliding shaft to slide away from the center point of the turntable. When the sliding shaft slides, it will also drive the limiting rod to move inside the fixed block in the same sliding direction as the sliding shaft, so that it is inserted into the groove opened in the wellhead for restriction, thereby improving the fixing effect and anti-theft performance of the manhole cover and reducing economic losses.

[0017] 2. The manhole cover with a filtering structure can drive the telescopic shaft to extend through the telescopic effect of the telescopic shaft. When the telescopic shaft is extended, the plug-in shaft will reset under the action of the fixed spring, thereby driving the use of the movable component by manually rotating the plug-in shaft, thereby improving the protectiveness and protection strength of the manhole cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view structure of the active component of the utility model;

[0020] Figure 3 This is a schematic diagram of the front view structure of the control component of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the telescopic rotating shaft of the utility model;

[0022] Figure 5 This is a schematic diagram of the wellhead structure of the utility model

[0023] In the figure: 1, wellhead; 2, well cover; 3, control assembly; 31, splint; 32, plug shaft; 33, fixed spring; 34, retaining ring; 4, movable assembly; 41, fixed ring; 42, turntable; 43, telescopic shaft; 44, sliding shaft; 45, sliding plate; 46, fixed block; 47, limiting rod; 10, groove; 420, arc groove; 430, slide groove; 20, jack; 5, filter screen. DETAILED DESCRIPTION

[0024] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a manhole cover with a filtering structure, including a manhole mouth 1, a manhole cover 2 is placed inside the manhole mouth 1, a filter screen 5 is fixedly installed on the top of the manhole cover 2, which can filter rainwater and prevent excessive garbage from entering the drainage pipe and causing blockage. A control component 3 and a movable component 4 are arranged on the surface of the manhole cover 2. When the turntable 42 rotates, the arc groove 420 opened on the surface of the turntable 42 will be used to resist the sliding shaft 44, and drive the sliding shaft 44 to slide away from the center point of the turntable 42. When the sliding shaft 44 slides, it will also drive the limiting rod 47 to move in the same sliding direction of the sliding shaft 44 inside the fixed block 46, so as to be inserted into the groove 10 opened in the wellhead 1 for restriction, and the movable component 4 includes: a fixed ring 41, a turntable 42, a telescopic rotating shaft 43, a sliding shaft 44, a sliding piece 45, a fixed block 46, and a limiting rod 47.

[0025] A fixing ring 41 is fixedly installed on the top of the manhole cover 2, a turntable 42 is rotatably connected to the bottom of the manhole cover 2, a telescopic rotating shaft 43 is fixedly installed on the top of the turntable 42, the telescopic rotating shaft 43 passes through the manhole cover 2, a sliding shaft 44 is slidably connected to the inside of the turntable 42, a sliding plate 45 is fixedly installed on the surface of the sliding shaft 44, the sliding plate 45 is slidably connected to the surface of the turntable 42, a fixing block 46, the fixing block 46 is fixedly installed on the inner side of the fixing ring 41, a limiting rod 47 is slidably connected inside the fixing block 46, the limiting rod 47 passes through the fixing ring 41, and the limiting rod 47 is fixedly installed on the outer side of the sliding shaft 44, which improves the fixing effect and theft prevention of the manhole cover 2 and reduces economic losses.

[0026] The control component 3 includes: a splint 31, which is slidably connected to the top of the telescopic shaft 43, a plug shaft 32 is fixedly installed at the bottom of the splint 31, the plug shaft 32 passes through the telescopic shaft 43, a fixing spring 33 is fixedly installed on the inside of the plug shaft 32, and a clamping ring 34 is fixedly installed on the top of the manhole cover 2, which can drive the telescopic shaft 43 to extend through the telescopic effect of the telescopic shaft 43. When the telescopic shaft 43 is extended, the plug shaft 32 will be reset under the action of the fixing spring 33, so as to drive the use of the movable component 4 by manually rotating the plug shaft 32, thereby improving the protection and protection strength of the manhole cover 2, a groove 10 is provided on the inside of the wellhead 1, which can limit the plug shaft 32, an arc groove 420 is provided on the surface of the turntable 42, and the arc groove 420 can be used to drive the sliding of the sliding shaft 44, and a sliding groove 430 is provided on the top of the telescopic shaft 43, which can drive the splint 31 to slide on the top of the telescopic shaft 43, and a socket 20 is provided on the top of the manhole cover 2 for drainage.

[0027] When the manhole cover 2 is in use, the manhole cover 2 can be placed on the wellhead 1. When the manhole cover 2 is fixed, the telescopic shaft 43 can be manually rotated. When the telescopic shaft 43 rotates, it will drive the rotation of the turntable 42. When the turntable 42 rotates, the arc groove 420 opened on the surface of the turntable 42 will be used to resist the sliding shaft 44, and drive the sliding shaft 44 to slide away from the center point of the turntable 42. When the sliding shaft 44 slides, it will also drive the limiting rod 47 to move inside the fixed block 46 in the same sliding direction as the sliding shaft 44, so that it can be inserted into the groove 10 opened in the wellhead 1 for restriction, thereby improving the fixing effect and anti-theft performance of the manhole cover 2 and reducing economic losses.

[0028] When the telescopic shaft 43 is in use, the clamp 31 can be manually pressed toward the center point of the telescopic shaft 43. When the clamp 31 slides on the top of the telescopic shaft 43, the plug shaft 32 will be driven to slide in the same sliding direction as the telescopic shaft 43, thereby releasing the restriction of the clamping ring 34 on the plug shaft 32. The telescopic shaft 43 can be used to extend the telescopic shaft 43. After the telescopic shaft 43 is extended, the plug shaft 32 will be reset under the action of the fixed spring 33, thereby driving the use of the movable component 4 by manually rotating the plug shaft 32, thereby improving the protectiveness and protection of the manhole cover 2.

[0029] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A manhole cover with a filtering structure, comprising a manhole (1), characterized in that: A manhole cover (2) is placed inside the manhole (1), a filter screen (5) is fixedly installed on the top of the manhole cover (2), a control component (3) and a movable component (4) are arranged on the surface of the manhole cover (2), and the movable component (4) includes: A fixing ring (41), the fixing ring (41) is fixedly mounted on the top of the manhole cover (2), a rotating disk (42) is rotatably connected to the bottom of the manhole cover (2), a telescopic rotating shaft (43) is fixedly mounted on the top of the rotating disk (42), and the telescopic rotating shaft (43) passes through the manhole cover (2); A sliding shaft (44), the sliding shaft (44) is slidably connected to the inside of the rotating disk (42), a sliding sheet (45) is fixedly mounted on the surface of the sliding shaft (44), and the sliding sheet (45) is slidably connected to the surface of the rotating disk (42); A fixed block (46) is fixedly mounted on the inner side of the fixed ring (41), a limiting rod (47) is slidably connected inside the fixed block (46), the limiting rod (47) passes through the fixed ring (41), and the limiting rod (47) is fixedly mounted on the outer side of the sliding shaft (44).

2. The manhole cover with a filtering structure according to claim 1, characterized in that: The control assembly (3) comprises: a clamping plate (31), wherein the clamping plate (31) is slidably connected to the top of the telescopic rotating shaft (43), an insertion shaft (32) is fixedly installed at the bottom of the clamping plate (31), the insertion shaft (32) passes through the telescopic rotating shaft (43), and a fixed spring (33) is fixedly installed on the inner side of the insertion shaft (32).

3. The manhole cover with a filtering structure according to claim 1, characterized in that: A snap ring (34) is fixedly mounted on the top of the manhole cover (2).

4. The manhole cover with a filtering structure according to claim 1, characterized in that: A groove (10) is provided on the inner side of the wellhead (1).

5. The manhole cover with a filtering structure according to claim 1, characterized in that: The surface of the rotating disk (42) is provided with an arc-shaped groove (420).

6. The manhole cover with a filtering structure according to claim 1, characterized in that: A sliding groove (430) is provided on the top of the telescopic rotating shaft (43).

7. The manhole cover with a filtering structure according to claim 1, characterized in that: An insertion hole (20) is provided on the top of the manhole cover (2).