Well lid convenient for warning

By designing a combined structure of annular grooves, warning plates, elastic components, Z-shaped blocks and trigger components on the manhole cover, an effective warning is achieved when the manhole cover is damaged, and the existing manhole cover warning device is solved. The problem of complex structure, high cost or poor warning effect is solved, the risk of accidents is reduced and the risk of accidents is high and the promotion prospects are high.

CN222862355UActive Publication Date: 2025-05-13HUBEI XINHAI LUBAO TRAFFIC INTELLIGENCE CO LTD
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Patent Information

Application Number
CN202421740610.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-13
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing manhole cover warning devices have complex structures, high cost or poor warning effects, resulting in the inability to effectively remind pedestrians or vehicles when the manhole cover is damaged, increasing the risk of accidents.

Method used

A manhole cover is designed for easy warning, and adopts a combined structure of annular groove, a warning plate, an elastic component, a Z-shaped block and a trigger component. When the manhole cover is damaged, the elastic force release of the elastic component causes the warning plate to be lifted up, and the reflective material of the marking pad can also be effectively warned at night.

Benefits of technology

When the manhole cover is damaged, pedestrians or vehicles are effectively reminded to pay attention to danger, greatly reducing the possibility of accidents, and it has a simple structure, low cost and is easy to install and maintain.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222862355U_ABST
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Abstract

The well lid comprises a lid body, an annular groove is formed in the upper surface of the lid body, the inner bottom of the annular groove is fixedly connected with an installation base, the inner side wall of the annular groove is connected with a warning plate in a sliding mode, an elastic assembly is arranged between the warning plate and the installation base, and the warning plate is connected with the installation base in a sliding mode. A second clamping block is fixedly connected to the upper surface of the mounting base, a first clamping block is arranged on the lower surface of the warning plate, and a Z-shaped block is connected between the first clamping block and the second clamping block in a clamped mode. When the fixed plate drives the connecting rod to move, the elastic force of the elastic assembly is released, the warning plate is jacked up, and the warning plate moves to the position above the cover body, the limiting block is separated from the limiting groove, the rotating plate rotates to the position close to 90 degrees with the cover body, and when the well lid is damaged, pedestrians or vehicles are effectively reminded to pay attention to danger; and the anti-theft device is simple in structure, relatively low in cost and easy to mount and maintain, and has relatively high practical value and popularization prospect.
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Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover that is convenient for warning. Background Art

[0002] There are many types of manhole covers, including municipal, electric, telecommunication, drainage and other types. Municipal ones are generally pipelines, with "Municipal" written on them. Some of them are water pipes, some are street light cables, etc., which are under the jurisdiction of the municipal department. Those with "Sewage" and "Rain" are municipal. Drainage and sewage are on the same route. The function is to protect these equipment and facilities, and there are also passages for personnel to inspect and repair, mainly for the convenience of inspection and maintenance. Manhole covers are widely used in urban roads to cover the wellheads and protect the safety of pedestrians and vehicles.

[0003] In some cases, the manhole cover may be in an open state due to damage or construction. If there is no effective warning measure, pedestrians or vehicles may accidentally fall into the well, causing serious casualties and property losses. Existing manhole cover warning devices are often complex in structure, high in cost, or have poor warning effects. Therefore, it is necessary to design a manhole cover with a simple structure, low cost and significant warning effect. Utility Model Content

[0004] The object of the present invention is to provide a manhole cover that is convenient for warning, so as to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a manhole cover that is convenient for warning, comprising: a cover body, an annular groove is opened on the upper surface of the cover body, the inner bottom of the annular groove is fixedly connected to the mounting seat, the inner side wall of the annular groove is slidably connected with a warning plate, an elastic component is arranged between the warning plate and the mounting seat, a second clamping block is fixedly connected to the upper surface of the mounting seat, a first clamping block is arranged on the lower surface of the warning plate, a Z-shaped block is clamped between the first clamping block and the second clamping block, and a trigger component is connected to the Z-shaped block.

[0006] As a further description of the above technical solution:

[0007] The elastic component comprises a telescopic rod and a spring. Two ends of the telescopic rod are respectively fixedly connected to the upper surface of the mounting seat and the lower surface of the warning plate. The spring is sleeved on the telescopic rod.

[0008] As a further description of the above technical solution:

[0009] The trigger assembly includes a connecting rod and a slider, the connecting rod is fixedly connected to the Z-shaped block, a slide groove is provided on one side of the cover body, the inner side wall of the slide groove is slidably connected to the slider, one end of the connecting rod passes through the slider to the outside of the cover body and is fixedly connected to a fixing plate, and a threaded hole is provided on the fixing plate.

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

[0011] The upper surface of the cover body is provided with a mounting groove, the inner side wall of the mounting groove is fixedly connected with a fixing rod, a rotating plate is sleeved on the fixing rod, and both side walls of the rotating plate are fixedly connected with identification pads, and the identification pads are made of reflective material.

[0012] As a further description of the above technical solution:

[0013] A torsion spring is sleeved on the fixing rod, and two ends of the torsion spring are respectively fixedly connected to the fixing rod and the rotating plate.

[0014] As a further description of the above technical solution:

[0015] The inner side wall of the warning plate is provided with a limiting groove, one side of the rotating plate is fixedly connected with a limiting block, and the limiting block is clamped in the limiting groove.

[0016] The utility model provides a manhole cover that is convenient for warning and has the following beneficial effects:

[0017] When the manhole cover for easy warning is used, when the manhole cover is damaged and displaced, the fixed plate drives the connecting rod to move, the elastic force of the elastic component is released, the warning plate is lifted up, and when the warning plate moves to the top of the cover body, the limit block is disengaged from the limit groove, and the rotating plate is rotated to nearly 90 degrees with the cover body. The identification pad has reflective properties and can effectively warn at night. When the manhole cover is damaged, it can effectively remind pedestrians or vehicles to pay attention to danger, greatly reducing the possibility of accidents. It has a simple structure, low cost, and is easy to install and maintain. It has high practical value and promotion prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a manhole cover that is convenient for warning proposed by the utility model;

[0019] Figure 2 This is a cross-sectional view of the overall structure of a manhole cover that is convenient for warning proposed by the utility model;

[0020] Figure 3 This is a cross-sectional view of the overall structure of the utility model from another angle;

[0021] Figure 4 It is a cross-sectional view of the connection structure of the fixing rod in the utility model.

[0022] Legend:

[0023] 1. Cover; 2. Annular groove; 3. Warning plate; 4. Mounting seat; 5. Z-shaped block; 6. First clamping block; 7. Second clamping block; 8. Slide groove; 9. Sliding block; 10. Connecting rod; 11. Fixed plate; 12. Telescopic rod; 13. Spring; 14. Mounting groove; 15. Fixed rod; 16. Rotating plate; 17. Marking pad; 18. Limiting groove; 19. Limiting block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] Reference Figure 1-4 A manhole cover for warning, comprising: a cover body 1, an annular groove 2 is provided on the upper surface of the cover body 1, the inner bottom of the annular groove 2 is fixedly connected to the mounting seat 4, a warning plate 3 is slidably connected to the inner side wall of the annular groove 2, an elastic component is arranged between the warning plate 3 and the mounting seat 4, a second clamping block 7 is fixedly connected to the upper surface of the mounting seat 4, a first clamping block 6 is arranged on the lower surface of the warning plate 3, a Z-shaped block 5 is clamped between the first clamping block 6 and the second clamping block 7, a trigger component is connected to the Z-shaped block 5, and the elastic component package The cover body 1 comprises a telescopic rod 12 and a spring 13, the two ends of the telescopic rod 12 are respectively fixedly connected to the upper surface of the mounting seat 4 and the lower surface of the warning plate 3, the spring 13 is sleeved on the telescopic rod 12, the trigger assembly comprises a connecting rod 10 and a slider 9, the connecting rod 10 is fixedly connected to the Z-shaped block 5, a slide groove 8 is provided on one side of the cover body 1, the inner side wall of the slide groove 8 is slidably connected to the slider 9, one end of the connecting rod 10 passes through the slider 9 to the outside of the cover body 1 and is fixedly connected to a fixing plate 11, and a threaded hole is provided on the fixing plate 11.

[0026] Specifically, when the manhole cover for warning is used, the fixing plate 11 is fixed to the inner wall of the wellhead through the threaded holes on the fixing plate 11. When the manhole cover is damaged and displaced, the fixing plate 11 drives the connecting rod 10 to move. The connecting rod 10 is inserted on the slider 9. The slider 9 slides on the inside of the slide groove 8, so that the connecting rod 10 pulls the Z-shaped block 5 to move. The movement of the Z-shaped block 5 causes the first clamping block 6 to disengage from the second clamping block 7, the elastic force of the elastic component is released, and the spring 13 rebounds, so that the warning plate 3 is lifted up. When the manhole cover is damaged, pedestrians or vehicles are effectively reminded of danger, which greatly reduces the possibility of accidents. It has a simple structure, low cost, and is easy to install and maintain. It has high practical value and promotion prospects.

[0027] A mounting groove 14 is provided on the upper surface of the cover body 1, and a fixing rod 15 is fixedly connected to the inner side wall of the mounting groove 14. A rotating plate 16 is sleeved on the fixing rod 15, and identification pads 17 are fixedly connected to both side walls of the rotating plate 16. The identification pads 17 are made of reflective material, and a torsion spring is sleeved on the fixing rod 15. The two ends of the torsion spring are respectively fixedly connected to the fixing rod 15 and the rotating plate 16. A limiting groove 18 is provided on the inner side wall of the warning plate 3, and a limiting block 19 is fixedly connected to one side of the rotating plate 16, and the limiting block 19 is snap-fitted with the limiting groove 18.

[0028] Specifically, when the warning plate 3 moves to the top of the cover body 1, the limit block 19 disengages from the limit groove 18, and the rotating plate 16 is rotated by the torsion force of the torsion spring, so that the rotating plate 16 rotates to nearly 90 degrees with the cover body 1, and the marking pads 17 on the two side walls of the rotating plate 16 effectively remind pedestrians or vehicles to pay attention to danger. The marking pads 17 have reflective properties and can effectively warn at night.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A manhole cover that is easy to warn, characterized in that: include: A cover body (1), wherein an annular groove (2) is provided on the upper surface of the cover body (1), the inner bottom of the annular groove (2) is fixedly connected to a mounting seat (4), the inner side wall of the annular groove (2) is slidably connected to a warning plate (3), an elastic component is provided between the warning plate (3) and the mounting seat (4), a second clamping block (7) is fixedly connected to the upper surface of the mounting seat (4), a first clamping block (6) is provided on the lower surface of the warning plate (3), a Z-shaped block (5) is clamped between the first clamping block (6) and the second clamping block (7), and a trigger component is connected to the Z-shaped block (5).

2. A manhole cover for facilitating warning according to claim 1, characterized in that: The elastic component comprises a telescopic rod (12) and a spring (13); two ends of the telescopic rod (12) are respectively fixedly connected to the upper surface of the mounting seat (4) and the lower surface of the warning plate (3); and the spring (13) is sleeved on the telescopic rod (12).

3. A manhole cover that facilitates warning according to claim 1, characterized in that: The trigger assembly comprises a connecting rod (10) and a slider (9), wherein the connecting rod (10) is fixedly connected to the Z-shaped block (5), a slide groove (8) is provided on one side of the cover body (1), the inner side wall of the slide groove (8) is slidably connected to the slider (9), one end of the connecting rod (10) passes through the slider (9) to the outside of the cover body (1) and is fixedly connected to a fixing plate (11), and a threaded hole is provided on the fixing plate (11).

4. A manhole cover for facilitating warning according to claim 1, characterized in that: The upper surface of the cover body (1) is provided with a mounting groove (14), the inner side wall of the mounting groove (14) is fixedly connected with a fixing rod (15), a rotating plate (16) is sleeved on the fixing rod (15), and both side walls of the rotating plate (16) are fixedly connected with identification pads (17), and the identification pads (17) are made of reflective material.

5. A manhole cover for facilitating warning according to claim 4, characterized in that: The fixing rod (15) is sleeved with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the fixing rod (15) and the rotating plate (16).

6. A manhole cover for facilitating warning according to claim 4, characterized in that: The inner side wall of the warning plate (3) is provided with a limiting groove (18), one side of the rotating plate (16) is fixedly connected to a limiting block (19), and the limiting block (19) is clamped with the limiting groove (18).