CN220827832U - Safety manhole cover - Google Patents
Safety manhole cover Download PDFInfo
- Publication number
- CN220827832U CN220827832U CN202322006996.4U CN202322006996U CN220827832U CN 220827832 U CN220827832 U CN 220827832U CN 202322006996 U CN202322006996 U CN 202322006996U CN 220827832 U CN220827832 U CN 220827832U
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- Prior art keywords
- well cover
- well
- cover plate
- piece
- mounting frame
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- 239000012780 transparent material Substances 0.000 claims abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 11
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model provides a safety well lid, including being used for setting up the rectangle installing frame at the well head, first, the second, the third, the fourth well lid piece, the inner wall of rectangle installing frame is provided with the step, first well lid piece articulates on first limit inner wall, the second well lid piece articulates on second limit inner wall, the third well lid piece articulates on third limit inner wall, the fourth well lid piece adopts transparent material to make, articulate on fourth side inner wall, first well lid piece supports on the step, the second well lid piece supports on first well lid piece, the third well lid piece supports on second well lid piece, the fourth well lid piece covers the breach between first well lid piece, the second well lid piece, the third well lid piece, the combination constitutes safety well lid. The utility model has simple structure and convenient maintenance, is convenient for maintenance personnel to check the matched inspection well and inspection well, and can effectively prevent passersby from falling after being opened.
Description
Technical Field
The utility model relates to the field of municipal engineering, in particular to a safety well cover.
Background
Along with the acceleration of urban construction, the number of various inspection wells and inspection wells of municipal facilities is increased, and the number of matched well covers is also increased. The well covers currently in use are generally of an integral cast iron construction.
Inspection wells and inspection wells are used as public facilities, the well covers are required to be opened periodically for maintenance and inspection, the labor intensity is high, if maintenance personnel throw the opened well covers beside the well heads, warning marks are not arranged in violation, and therefore passers-by has the risk of falling.
Therefore, how to design a well cover capable of reducing the labor intensity of maintenance personnel and avoiding the falling of passers-by is a problem to be solved urgently by the technicians in the field.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the safety manhole cover which has the advantages of simple structure, convenient maintenance personnel to check the matched inspection shaft and inspection shaft, and can effectively prevent passers-by from falling after being opened.
The technical scheme of the utility model is as follows: the utility model provides a safety well lid, is including being used for setting up the rectangle installing frame at the well head to and first well lid piece, second well lid piece, third well lid piece, fourth well lid piece, the inner wall of rectangle installing frame is provided with the step, first well lid piece passes through the hinge and articulates to be set up on the first side inner wall of rectangle installing frame, and the length of first well lid piece suits with the first side length of rectangle installing frame, and its width is less than half of rectangle installing frame second limit, the second well lid piece passes through the hinge and articulates to be set up on the second limit inner wall of rectangle installing frame, and the length of second well lid piece suits with the second limit length of rectangle installing frame, and the width is less than the first side inner wall of rectangle installing frame, and the third well lid piece is less than half of rectangle installing frame second limit, the fourth well lid piece adopts transparent material to make, through the hinge articulated setting on the fourth side inner wall of rectangle installing frame, the width of fourth well lid piece and the second well lid piece is in the second well lid piece, the width of second well lid piece is more than the second well lid piece, the second well lid piece is located the first well lid piece, the second well lid piece is located the second well lid piece, the second well lid piece is located the first well lid piece, and the second well lid piece is located the second well lid piece, and the first well lid piece, and the fourth well lid piece is located the second well lid piece, and the fourth well lid piece.
The inner walls of all sides of the rectangular mounting frame extend upwards and outwards in an inclined mode.
The cover plates of all wells are hinged with the inner walls of the corresponding sides of the rectangular mounting frame through two hinges respectively.
The first well cover plate is provided with a first abdication groove for abdicating the second well cover plate, the depth of the first abdication groove is matched with the thickness of the second well cover plate, the second abdication groove for abdicating the fourth well cover plate is matched with the thickness of the fourth well cover plate, the second well cover plate is provided with a third abdication groove for abdicating the third well cover plate, the depth of the third abdication groove is matched with the thickness of the third well cover plate, the fourth abdication groove for abdicating the fourth well cover plate is matched with the thickness of the fourth well cover plate, the third well cover plate is provided with a fifth abdication groove for abdicating the fourth well cover plate, and the depth of the fifth abdication groove is matched with the thickness of the fourth well cover plate.
And clamping grooves are respectively arranged on the first well cover plate, the second well cover plate, the third well cover plate and the fourth well cover plate to form turning-up force application points.
The technical scheme has the following beneficial effects:
1. The safety well lid is including being used for setting up the rectangle installing frame at the well head to and first well cover plate, second well cover plate, third well cover plate, fourth well cover plate, wherein, the rectangle installing frame is used for setting up at inspection well head or inspection well mouth to assemble each well cover plate, each well cover plate closes or opens the well head through the cooperation, and as the guard plate when opening the well head, avoid the passersby to drop in the well. The inner wall of rectangle installing frame is provided with the step for inject the turned angle of each well cover piece, avoid the well lid piece upset excessively to get into in the well, make things convenient for maintainer operation, in addition, can also play stable support effect to each well cover piece. The first well lid piece is hinged to the inner wall of the first side of the rectangular mounting frame through a hinge, the length of the first well lid piece is matched with the length of the first side of the rectangular mounting frame, the width of the first well lid piece is smaller than half of the length of the second side of the rectangular mounting frame, namely, the first well lid piece can rotate around the first side and cover a well mouth along the length direction part (not more than 1/2) of the second side. The second well lid piece is hinged to the second side inner wall of the rectangular mounting frame through the hinge, the length of the second well lid piece is matched with the length of the second side of the rectangular mounting frame, the width of the second well lid piece is smaller than the length of the first side of the rectangular mounting frame, namely, the second well lid piece can rotate around the second side, and the well mouth is partially covered along the length direction of the first side. The third well cover plate is hinged to the inner wall of the third side of the rectangular mounting frame through a hinge, the length of the third well cover plate is matched with the length of the first side of the rectangular mounting frame, the width of the third well cover plate is smaller than half of the length of the second side of the rectangular mounting frame, namely, the third well cover plate can rotate around the third side, and the well mouth is covered along the length direction part (not more than 1/2) of the second side. The fourth well lid piece adopts transparent material to make, through hinge articulated setting on the fourth inner wall of rectangle installing frame, the width of fourth well lid piece and the sum of the width of first well lid piece, third well lid piece are greater than the length on rectangle installing frame second limit, the length of fourth well lid piece and the length on the width of second well lid piece are greater than the length on rectangle installing frame first limit, that is, the fourth well lid piece can rotate around the fourth side, and the breach between the first well lid piece, second well lid piece, the third well lid piece is passed to the accessible fourth well lid piece, the condition in the observation well is avoided frequently opening the well lid and is examined the work. The rotating shaft of each hinge is positioned at the low point position of the hinge, so that the angle of each well cover plate is limited by the step of the rectangular mounting frame when the well mouth is closed, each well cover plate is positioned at the horizontal position under the condition of the state, the well mouth is closed, the angle of each well cover plate is limited by the arrangement mode of the hinge when the well mouth is opened, the well cover plates are kept in the vertical state under the state, the warning effect is achieved, and the falling of passers-by into the well is prevented. The first well lid piece supports on the step of rectangle installing frame inner wall, the second well lid piece supports on first well lid piece, the third well lid piece supports on the second well lid piece, the breach between fourth well lid piece cover first well lid piece, second well lid piece, the third well lid piece, the combination constitutes safe well lid, the well lid structure of this kind of assembly structure only needs to open well lid completely according to specific order, avoids opening the well lid in improper direction accident and leads to personnel to fall in the well.
2. The inner walls of all sides of the rectangular mounting frame extend outwards in an inclined mode, so that the well cover plates can be in a stable vertical state under the self gravity when the well cover is in an open state (all well cover plates are turned up).
3. The first well cover piece is provided with a first abdication groove for abdicating the second well cover piece, the depth of the first abdication groove is matched with the thickness of the second well cover piece, the depth of the second abdication groove is matched with the thickness of the fourth well cover piece, the second well cover piece is provided with a third abdication groove for abdicating the third well cover piece, the depth of the third abdication groove is matched with the thickness of the third well cover piece, the fourth abdication groove for abdicating the fourth well cover piece, the depth of the fourth abdication groove is matched with the thickness of the fourth well cover piece, the third well cover piece is provided with a fifth abdication groove for abdicating the fourth well cover piece, and the depth of the fifth abdication groove is matched with the thickness of the fourth well cover piece.
4. The first well cover plate, the second well cover plate, the third well cover plate and the fourth well cover plate are respectively provided with clamping grooves to form turning-up force points, and when maintenance personnel need to open the well cover, the clamping grooves can be used as force points to turn over the well cover plates in sequence, so that the operation of the maintenance personnel is facilitated.
Further description is provided below with reference to the drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the installation of the present utility model;
FIG. 3 is a schematic view of the construction of a first well cover plate of the present utility model;
FIG. 4 is a schematic view of the construction of a second well cover plate of the present utility model;
FIG. 5 is a schematic view of the third well cover plate of the present utility model.
In the drawings, 1 is a first well cover plate, 11 is a first abdicating groove, 12 is a second abdicating groove, 2 is a second well cover plate, 21 is a third abdicating groove, 22 is a fourth abdicating groove, 3 is a third well cover plate, 31 is a fifth abdicating groove, 4 is a fourth well cover plate, 5 is a rectangular mounting frame, 6 is a step, and 7 is a clamping groove.
Detailed Description
Referring to fig. 1 to 5, a specific embodiment of a safety manhole cover is shown. The safety manhole cover comprises a rectangular mounting frame 5 used for being arranged at a wellhead, and a first well cover piece 1, a second well cover piece 2, a third well cover piece 3 and a fourth well cover piece 4. The inner wall of the rectangular mounting frame 5 is provided with a step 6, in this embodiment, the rectangular mounting frame is a square mounting frame, the inner walls of four sides are all provided with steps, and the inner walls of each side of the rectangular mounting frame 5 are all upwards inclined and outwards extended. The first well cover piece 1 is hinged to the upper inner wall of the rectangular mounting frame through a hinge, the length of the first well cover piece is matched with the upper length of the rectangular mounting frame, the width of the first well cover piece is smaller than half of the right length of the rectangular mounting frame, the first well cover piece is hinged to the upper inner wall of the rectangular mounting frame through two hinges, a rotating shaft of the hinge is located at a low point position, the width of the first well cover piece is flexibly determined according to actual needs, a first yielding groove 11 for yielding a second well cover piece is formed in the right side of the first well cover piece, the depth of the first yielding groove is matched with the thickness of the second well cover piece, a second yielding groove 12 for yielding a fourth well cover piece is formed in the lower side of the first well cover piece, and the depth of the second yielding groove is matched with the thickness of the fourth well cover piece. The second well cover piece 2 is hinged on the right inner wall of the rectangular installation frame through hinges, the length of the second well cover piece is adapted to the right length of the rectangular installation frame, the width of the second well cover piece is smaller than the upper length of the rectangular installation frame, the second well cover piece is hinged on the right inner wall of the rectangular installation frame through two hinges, the rotating shaft of the hinges is located at a low point position, the width of the second well cover piece is flexibly determined according to actual needs, a third yielding groove 21 for yielding a third well cover piece is formed in the lower side of the second well cover piece, the depth of the third yielding groove is adapted to the thickness of the third well cover piece, a fourth yielding groove 22 for yielding a fourth well cover piece is formed in the left side of the second well cover piece, and the depth of the fourth yielding groove is adapted to the thickness of the fourth well cover piece. The third well cover plate 3 is hinged on the inner wall of the lower edge of the rectangular mounting frame through a hinge, the length of the third well cover plate is matched with the upper edge length of the rectangular mounting frame, the width of the third well cover plate is smaller than half of the right edge length of the rectangular mounting frame, the width of the first well cover plate is generally the same as that of the third well cover plate, the third well cover plate is hinged on the inner wall of the lower edge of the rectangular mounting frame through two hinges, the hinge shaft of the hinge is positioned at a low point, a fifth abdicating groove 31 for abdicating the fourth well cover plate is arranged at the upper edge position of the third well cover plate, and the depth of the fifth abdicating groove is matched with the thickness of the fourth well cover plate. The fourth well cover piece 4 is made of transparent materials, such as acrylic plates, and is hinged to the fourth inner wall of the rectangular mounting frame through hinges, the sum of the width of the fourth well cover piece and the width of the first well cover piece and the width of the third well cover piece is larger than the length of the second side of the rectangular mounting frame, the sum of the length of the fourth well cover piece and the width of the second well cover piece is larger than the length of the first side of the rectangular mounting frame, in the embodiment, the fourth well cover piece is hinged to the left inner wall of the rectangular mounting frame through two hinges, and the hinge shaft of the hinge is located at a low point. The first well cover piece 1 is supported on a step on the inner wall of the rectangular mounting frame and extends along the horizontal direction, the second well cover piece 2 is supported in a first abdicating groove of the first well cover piece, extends along the horizontal direction and is flush with the first well cover piece, the third well cover piece 3 is supported in a third abdicating groove of the second well cover piece and extends along the horizontal direction and is flush with the second well cover piece, and the upper edge, the right edge and the lower edge of the fourth well cover piece 4 are respectively supported in the second abdicating groove of the first well cover piece, the fourth abdicating groove of the second well cover piece and the fifth abdicating groove of the third well cover piece to cover gaps among the first well cover piece, the second well cover piece and the third well cover piece to form a safety well cover.
Further, the first well cover plate 1, the second well cover plate 2, the third well cover plate 3 and the fourth well cover plate 4 are respectively provided with a clamping groove 7 to form a turning-up force application point.
The working principle of the utility model is as follows: during daily maintenance, the condition in the well can be observed through the fourth well cover sheet, and the times of opening the well cover are reduced. When the well lid needs to be opened, the clamping groove of the fourth well lid piece is used for exerting force by hands or tools, the fourth well lid piece is turned up, the left inclined plane of the rectangular mounting frame is used for keeping a stable and vertical state, the third well lid piece is turned up, the lower inclined plane of the rectangular mounting frame is used for keeping a stable and vertical state, the second well lid piece is turned up, the right inclined plane of the rectangular mounting frame is used for keeping a stable and vertical state, the first well lid piece is turned up, the upper inclined plane of the rectangular mounting frame is used for keeping a stable and vertical state, a fence is formed around a well mouth, and accidental falling of passers-by is avoided.
Claims (5)
1. A safety well lid which is characterized in that: comprises a rectangular mounting frame (5) which is arranged at a wellhead, a first well cover plate (1), a second well cover plate (2), a third well cover plate (3) and a fourth well cover plate (4),
The inner wall of the rectangular mounting frame (5) is provided with a step (6),
The first well cover plate (1) is hinged on the inner wall of the first side of the rectangular mounting frame through a hinge, the length of the first well cover plate is adapted to the length of the first side of the rectangular mounting frame, the width of the first well cover plate is smaller than half of the second side of the rectangular mounting frame,
The second well cover plate (2) is hinged on the inner wall of the second side of the rectangular mounting frame through a hinge, the length of the second well cover plate is adapted to the length of the second side of the rectangular mounting frame, the width of the second well cover plate is smaller than the length of the first side of the rectangular mounting frame,
The third well cover plate (3) is hinged on the inner wall of the third side of the rectangular mounting frame through a hinge, the length of the third well cover plate is adapted to the length of the first side of the rectangular mounting frame, the width of the third well cover plate is smaller than half of the second side of the rectangular mounting frame,
The fourth well cover plate (4) is made of transparent materials and is hinged on the fourth inner wall of the rectangular mounting frame through a hinge, the sum of the width of the fourth well cover plate and the width of the first well cover plate and the width of the third well cover plate is larger than the length of the second side of the rectangular mounting frame, the sum of the length of the fourth well cover plate and the width of the second well cover plate is larger than the length of the first side of the rectangular mounting frame,
The rotating shaft of each hinge is positioned at the lower point of the hinge,
The first well cover piece (1) is supported on a step on the inner wall of the rectangular mounting frame, the second well cover piece (2) is supported on the first well cover piece, the third well cover piece (3) is supported on the second well cover piece, and the fourth well cover piece (4) covers gaps among the first well cover piece, the second well cover piece and the third well cover piece, and the first well cover piece, the second well cover piece and the third well cover piece are combined to form the safety well cover.
2. The safety manhole cover of claim 1, wherein: the inner walls of all sides of the rectangular mounting frame (5) extend upwards and outwards in an inclined mode.
3. The safety manhole cover of claim 1, wherein: the cover plates of each well are respectively hinged with the inner walls of the corresponding sides of the rectangular mounting frame (5) through two hinges.
4. The safety manhole cover of claim 1, wherein: the first well cover piece (1) is provided with a first abdication groove (11) for abdicating the second well cover piece, the depth of the first abdication groove is matched with the thickness of the second well cover piece, the second abdication groove (12) for abdicating the fourth well cover piece, the depth of the second abdication groove is matched with the thickness of the fourth well cover piece, the second well cover piece (2) is provided with a third abdication groove (21) for abdicating the third well cover piece, the depth of the third abdication groove is matched with the thickness of the third well cover piece, the fourth abdication groove (22) for abdicating the fourth well cover piece, the depth of the fourth abdication groove is matched with the thickness of the fourth well cover piece, the third well cover piece (3) is provided with a fifth abdication groove (31) for abdicating the fourth well cover piece, and the depth of the fifth abdicating groove is matched with the thickness of the fourth well cover piece.
5. The safety manhole cover of claim 1, wherein: the first well cover plate (1), the second well cover plate (2), the third well cover plate (3) and the fourth well cover plate (4) are respectively provided with a clamping groove (7) to form a turning-up force application point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322006996.4U CN220827832U (en) | 2023-07-27 | 2023-07-27 | Safety manhole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322006996.4U CN220827832U (en) | 2023-07-27 | 2023-07-27 | Safety manhole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220827832U true CN220827832U (en) | 2024-04-23 |
Family
ID=90727144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322006996.4U Active CN220827832U (en) | 2023-07-27 | 2023-07-27 | Safety manhole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220827832U (en) |
-
2023
- 2023-07-27 CN CN202322006996.4U patent/CN220827832U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |