Well lid with high safety

By designing dredging components on the manhole cover, including rotating columns, assist rods, screws, meshing rings, guide plates and dredging cones, the problem of blockage of manhole cover sewage holes is solved, and the functionality of manhole cover is improved.

CN222771528UActive Publication Date: 2025-04-18SHANDONG DEYIXING NEW MATERIAL TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421296173.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-04-18
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing manhole cover lacks an effective unblocking mechanism, resulting in blockage of sewage holes and low functionality.

Method used

A dredging component including a rotating column, a booster rod, a screw rod, an engagement ring, a guide plate and a dredging cone is designed. By manually pushing the booster rod to drive the rotating column and a screw rod to rotate, the engagement ring and a guide plate move, and the dredging cone cleans up the silt in the sewage discharge hole.

Benefits of technology

It realizes effective clearance of manhole cover sewage holes, enhances the functionality of manhole cover, and ensures the normal operation of manhole cover.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222771528U_ABST
    Figure CN222771528U_ABST
Patent Text Reader

Abstract

The utility model discloses a well lid with high safety, and relates to the technical field of well lids, the well lid with high safety comprises a well lid base, the inner side of the well lid base is provided with a well lid main body, the top of the well lid main body is provided with two sewage discharge holes in a penetrating manner, and the top of the well lid main body is provided with a dredging assembly in a penetrating manner through a bearing; by installing the dredging assembly, a worker pushes two power-assisted rods by hand to drive a rotating column to rotate clockwise to drive two dredging cones to dredge sludge impurities on the inner sides of the two sewage discharging holes, functionality is enhanced, a cover plate is pulled by hand to remove sealing of a top rotating button, the dredging assembly is used for dredging the two sewage discharging holes, and the dredging assembly is used for dredging the two sewage discharging holes. The top rotating button is rotated clockwise to drive the well lid body to move out of the inner side of the well lid base, a worker pulls the two pulling assisting plates to move with hands, limitation on the lifting and bearing plate is relieved, then the well lid body is moved out of the top of the lifting and bearing plate, the well lid base is conveniently opened and closed, and meanwhile the well lid body is conveniently fixed.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover with high safety. Background Art

[0002] Manhole covers are essential devices for covering roads or deep wells at home. They can prevent people or objects from falling into deep wells. Round manhole covers are used in urban road administration, which are not easy to tilt and can better protect the safety of pedestrians and vehicles. Square manhole covers are used in the countryside and cable wells to better prevent the entry of liquids such as rainwater.

[0003] Application document: CN214169164U, discloses a road manhole cover with high safety. The above-mentioned public document mainly considers how to solve the problem of directly pressing down the manhole cover body during installation. Under the action of the compression spring force, the fixed block extends into the fixed groove to complete the installation, and the inclined surface setting of the fixed block is used, so it cannot be directly taken out when pulled up, which improves the safety of use. When removing the manhole cover body, it is necessary to turn the handle, and under the pull of the wire rope, the fixed block leaves the fixed groove and can be taken out.

[0004] The defect of the existing manhole cover is that no consideration is given to how to dredge the drainage hole of the manhole cover, which reduces the functionality. Utility Model Content

[0005] The utility model aims to provide a manhole cover with high safety, which can solve the technical problems in the prior art that the sewage holes of the manhole cover are inconvenient to dredge and the functionality is low.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manhole cover with high safety, comprising a manhole cover base, a manhole cover body is placed inside the manhole cover base, two drainage holes are penetrated through the top of the manhole cover body, a dredging component is installed through the top of the manhole cover body through a bearing, and the dredging component is used to dredge the blockage of the two drainage holes;

[0007] The dredging assembly includes a rotating column, two assisting rods are installed on the outside of the rotating column, a screw rod is welded to the bottom of the rotating column, two limiting rods are welded to the top of the manhole cover body, an engaging ring is mounted on the outside of the screw rod through threaded engagement, two force guide plates are welded to the outside of the engaging ring, dredging cones are respectively installed on the other ends of the two force guide plates, and an anti-slip plate is welded to the bottom of the screw rod.

[0008] Preferably, the two limiting rods are respectively located on the inner sides of the two force guide plates, and the two dredging cones are located directly below the two sewage holes.

[0009] Preferably, two side columns are welded through the top of the manhole cover base, a guide rod is welded on the inner side of one side column, and a threaded rod is installed through the top of the other side column via a bearing. Preferably, a top rotation button is installed on the top of the threaded rod.

[0010] Preferably, a bottom plate is installed on the outer side of the threaded rod through threads, and two supporting plates are welded on the top of the bottom plate.

[0011] Preferably, two movable seats are welded to the bottom of the manhole cover body, and the inner walls of the two movable seats on the sides away from each other are equipped with clamping blocks through springs, and round rods are welded to the sides of the two clamping blocks away from each other, and pulling plates are welded to the sides of the two round rods away from each other.

[0012] Preferably, a square bottom groove is opened at the top of the other side column, and the top turning button is located on the inner side of the square bottom groove, a supporting ring is welded through the inner side of the square bottom groove, a supporting shaft is installed on the inner side of the left and right inner walls of the square bottom groove, and a cover plate is installed on the outer side of the supporting shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model is equipped with a dredging mechanism. The staff pushes the two power rods by hand to drive the rotating column to rotate clockwise, the rotating column drives the screw to rotate clockwise, the screw drives the meshing ring to move toward the side close to the manhole cover body, the meshing ring drives the guide plate to move toward the side close to the manhole cover body, the two guide plates drive the two dredging cones to move toward the side close to the manhole cover body, the two dredging cones dredge the silt and impurities inside the two sewage holes, thereby achieving the purpose of dredging the sewage holes of the manhole cover and enhancing the functionality.

[0015] 2. The utility model is installed with a bottom plate. The staff pulls the cover plate by hand to rotate it clockwise with the supporting shaft as the center to release the closure of the other bottom groove and the top knob. The clockwise rotation of the knob drives the threaded rod to rotate clockwise. The threaded rod drives the bottom plate to move toward the side close to the manhole cover body. The bottom plate drives the two lifting plates to move toward the side close to the manhole cover body. The two lifting plates drive the manhole cover body to move out of the inner side of the manhole cover base. At the same time, the two auxiliary pulling plates are pulled by hand to move away from the two moving seats. The two auxiliary pulling plates drive the two round rods to move away from the two moving seats. The two round rods drive the two card blocks to squeeze the springs out of the inner sides of the two lifting plates, releasing the restriction on the lifting plates. Then the manhole cover body is moved out from the top of the lifting plates, which is convenient for opening and closing the manhole cover base and fixing the manhole cover body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2This is a schematic diagram of the three-dimensional structure of the manhole cover main body of the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the manhole cover body of the utility model;

[0019] Figure 4 It is a schematic diagram of the cross section of the side column of the utility model;

[0020] Figure 5 It is a cross-sectional schematic diagram of the cover plate of the present utility model.

[0021] In the figure: 1. manhole cover base; 2. manhole cover body; 3. drainage hole; 4. rotating column; 5. power rod; 6. screw rod; 7. limiting rod; 8. engaging ring; 9. force guide plate; 10. dredging cone; 11. anti-slip plate; 12. side column; 13. guide rod; 14. threaded rod; 15. top turn button; 16. bottom plate; 17. lifting plate; 18. moving seat; 19. block; 20. cover plate; 21. auxiliary pull plate; 22. round rod; 23. supporting ring; 24. supporting shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1 , Figure 2 and Figure 3 , a manhole cover with high safety;

[0026] It includes a manhole cover base 1, a manhole cover body 2 is placed on the inner side of the manhole cover base 1, two drainage holes 3 are formed through the top of the manhole cover body 2, a dredging component is installed through the top of the manhole cover body 2 through a bearing, and the dredging component is used to dredge the blockage of the two drainage holes 3, the dredging component includes a rotating column 4, two power rods 5 are installed on the outer side of the rotating column 4, a screw rod 6 is welded to the bottom of the rotating column 4, two limiting rods 7 are welded to the top of the manhole cover body 2, an engaging ring 8 is sleeved on the outer side of the screw rod 6 through threaded engagement, two force guide plates 9 are welded to the outer side of the engaging ring 8, and dredging cones 10 are respectively installed on the other ends of the two force guide plates 9, an anti-slip plate 11 is welded to the bottom of the screw rod 6, the two limiting rods 7 are respectively located on the inner sides of the two force guide plates 9, and the two dredging cones 10 are located directly below the two drainage holes 3;

[0027] The manhole cover base 1 can provide a placement space for the manhole cover body 2, and the manhole cover body 2 can provide an opening space for the sewage hole 3. The manhole cover body 2 can limit the moving trajectory of the two force guide plates 9 through two limiting rods 7, and the anti-drop plate 11 is used to prevent the meshing ring 8 from falling off from the outside of the screw rod 6. The staff pushes the two power rods 5 by hand to drive the rotating column 4 to rotate clockwise, and the rotating column 4 drives the screw rod 6 to rotate clockwise under the action of external force. The screw rod 6 drives the meshing ring 8 to move toward the side close to the manhole cover body 2 through meshing under the action of external force. The meshing ring 8 drives the force guide plate 9 to move toward the side close to the manhole cover body 2 under the action of external force. The two force guide plates 9 drive the two dredging cones 10 to move toward the side close to the manhole cover body 2 under the action of external force. The two dredging cones 10 dredge the silt and impurities inside the two sewage holes 3 under the action of external force, thereby achieving the purpose of dredging the sewage holes 3 of the manhole cover and enhancing the functionality.

[0028] See also Figure 1 , Figure 4 and Figure 5 , a manhole cover with high safety;

[0029] The manhole cover base 1 includes a side column 12, two side columns 12 are welded through the top of the manhole cover base 1, a guide rod 13 is welded on the inner side of one of the side columns 12, a threaded rod 14 is installed through the top of the other side column 12 through a bearing, a top knob 15 is installed on the top of the threaded rod 14, a bottom plate 16 is installed on the outer side of the threaded rod 14 through a thread, two supporting plates 17 are welded on the top of the bottom plate 16, and two moving seats 18 are welded on the bottom of the manhole cover body 2. A clamping block 19 is installed on the inner wall of the side away from each other through a spring, and a round rod 22 is welded to the side away from each other of the two clamping blocks 19, and a pull-assisting plate 21 is welded to the side away from each other of the two round rods 22. A square bottom groove is opened on the top of the other side square column 12, and the top turning button 15 is located on the inner side of the square bottom groove. A supporting ring 23 is welded through the inner side of the square bottom groove. A supporting shaft 24 is installed on the inner side of the inner wall on both sides of the square bottom groove, and a cover plate 20 is installed on the outer side of the supporting shaft 24.

[0030] The manhole cover base 1 can provide support for two side columns 12, one of which can limit the movement trajectory of the bottom plate 16 through the guide rod 13, and the other side column 12 can provide a rotation support top for the threaded rod 14. The manhole cover body 2 can provide support for two moving seats 18. The staff pulls the cover plate 20 by hand to rotate clockwise with the support shaft 24 as the center of the circle to release the closure of the other bottom groove and the top knob 15. The top knob 15 is rotated clockwise to drive the threaded rod 14 to rotate clockwise. The threaded rod 14 drives the bottom plate 16 to move to the side close to the manhole cover body 2 through meshing under the action of external force. The bottom plate 16 is moved clockwise under the action of external force. The two lifting plates 17 are driven to move toward one side of the manhole cover body 2. Under the action of external force, the two lifting plates 17 drive the manhole cover body 2 to move out of the inner side of the manhole cover base 1. The staff pulls the two auxiliary pulling plates 21 together to move away from the two moving seats 18. The two auxiliary pulling plates 21 drive the two round rods 22 to move away from the two moving seats 18 under the action of external force. The two round rods 22 drive the two clamping blocks 19 to squeeze the springs out of the inner sides of the two lifting plates 17 under the action of external force, and then the manhole cover body 2 is moved out from the top of the lifting plates 17, which is convenient for opening and closing the manhole cover base 1 and fixing the manhole cover body 2.

[0031] Working principle: Before using the device, you should first check whether there are any problems that affect its use. The staff should install the manhole cover at the designated work location. When cleaning the dirt and impurities in the drainage hole 3, push the two power-assisting rods 5 by hand to drive the rotating column 4 to rotate clockwise to drive the two dredging cones 10 to dredge the silt and impurities inside the two drainage holes 3. When it is necessary to open and disassemble the manhole cover body 2, pull the cover plate 20 by hand to release the closure of the top rotating button 15, rotate the top rotating button 15 clockwise to drive the manhole cover body 2 to move out of the inner side of the manhole cover base 1, and the staff pulls the two auxiliary pulling plates 21 by hand to move away from the two moving seats 18 to release the restriction on the lifting plate 17, and then moves the manhole cover body 2 out from the top of the lifting plate 17.

[0032] It is obvious 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 present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A manhole cover with high safety, characterized by: It comprises a manhole cover base (1), a manhole cover body (2) is placed inside the manhole cover base (1), two drainage holes (3) are provided through the top of the manhole cover body (2), a dredging component is installed through the top of the manhole cover body (2) via a bearing, and the dredging component is used to dredge the blockage of the two drainage holes (3); The dredging component comprises a rotating column (4), two assisting rods (5) are installed on the outer side of the rotating column (4), a screw rod (6) is welded to the bottom of the rotating column (4), two limiting rods (7) are welded to the top of the manhole cover body (2), an engaging ring (8) is mounted on the outer side of the screw rod (6) through threaded engagement, two force guide plates (9) are welded to the outer side of the engaging ring (8), and a dredging cone (10) is installed at the other end of the two force guide plates (9), and an anti-slip plate (11) is welded to the bottom of the screw rod (6).

2. A highly safe manhole cover according to claim 1, characterized in that: The two limiting rods (7) are respectively located on the inner sides of the two force guide plates (9), and the two dredging cones (10) are located directly below the two sewage discharge holes (3).

3. A highly safe manhole cover according to claim 1, characterized in that: Two side columns (12) are welded and installed through the top of the manhole cover base (1), a guide rod (13) is welded on the inner side of one of the side columns (12), and a threaded rod (14) is installed through the top of the other side column (12) via a bearing.

4. A highly safe manhole cover according to claim 3, characterized in that: A top rotation button (15) is installed on the top of the threaded rod (14).

5. A highly safe manhole cover according to claim 4, characterized in that: A bottom plate (16) is installed on the outer side of the threaded rod (14) through threads, and two supporting plates (17) are welded on the top of the bottom plate (16).

6. A highly safe manhole cover according to claim 5, characterized in that: Two movable seats (18) are welded to the bottom of the manhole cover body (2); inner walls of the two movable seats (18) on the sides away from each other are provided with clamping blocks (19) via springs; round bars (22) are respectively welded to the sides away from each other of the two clamping blocks (19); and auxiliary pulling plates (21) are respectively welded to the sides away from each other of the two round bars (22).

7. A highly safe manhole cover according to claim 3, characterized in that: A square bottom groove is formed on the top of the other side square column (12), and the top rotating button (15) is located on the inner side of the square bottom groove. A supporting ring (23) is welded through the inner side of the square bottom groove. A supporting rotating shaft (24) is installed on the inner side of the inner wall on the left and right sides of the square bottom groove. A cover plate (20) is mounted on the outer side of the supporting rotating shaft (24).

Citation Information

Patent Citations

  • Road well lid with high safety

    CN214169164U