CN220644348U - Self-compaction type anti-drop rectangular cast iron well lid - Google Patents
Self-compaction type anti-drop rectangular cast iron well lid Download PDFInfo
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- CN220644348U CN220644348U CN202320566526.0U CN202320566526U CN220644348U CN 220644348 U CN220644348 U CN 220644348U CN 202320566526 U CN202320566526 U CN 202320566526U CN 220644348 U CN220644348 U CN 220644348U
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- well cover
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- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 22
- 238000005056 compaction Methods 0.000 title abstract description 7
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a self-compaction type anti-drop rectangular cast iron well cover, which relates to the technical field of cast iron well covers and comprises a rectangular well seat and at least one rectangular well cover plate, wherein the rectangular well seat is provided with four sides, the four sides are a first locking side, a first opening side and a second side in sequence, an included angle formed between the inner side surface of the first locking side and the lower surface of the first locking side is an acute angle, an included angle formed between the inner side surface of the first opening side and the lower surface of the first opening side is an obtuse angle, and the rectangular well cover plate is provided with four sides, namely a second locking side, a third side, a second opening side and a fourth side in sequence. According to the utility model, the first locking edge in the rectangular well seat and the second locking edge in the rectangular well cover plate are arranged, so that the locking edge of the rectangular well seat can be pressed above the locking edge side of the rectangular well cover plate, and meanwhile, the rectangular well cover plate is integrally pressed inside the rectangular well seat, so that a self-compaction type assembly structure can be formed, and the functions of lifting and falling prevention of the well cover are realized.
Description
Technical Field
The utility model relates to the technical field of cast iron well covers, in particular to a self-compaction type anti-drop rectangular cast iron well cover.
Background
Inspection wells are one of municipal infrastructure, widely distributed in all corners of cities, and rectangular well covers are widely applied to places such as highways, airports and wharfs because of being convenient for arrangement and combination into multiple rows of well covers with different sizes, and are applied to well covers under high-speed heavy-load working conditions, effective protective measures are required to be provided between rectangular well cover plates and rectangular well seats so as to prevent the rectangular well cover plates from lifting or falling off due to rolling of vehicles.
To achieve the above objective, the well lid designer or manufacturer usually takes some necessary measures, and according to the characteristics and use occasions of different well lid products, two kinds of more common anti-falling measures are adopted, as shown in fig. 1, for the traditional rectangular cast iron well lid, the most common anti-falling measures are as follows: the rectangular well cover plate has enough embedding depth and dead weight, and the purpose of lifting and falling prevention of the rectangular well cover plate is realized through the dead weight, but the falling prevention measure leads the product to be heavy and has high cost;
as shown in fig. 2, another more common anti-drop measure is: the spring lock arm is used for fixing the well lid in the rectangular well seat, and the concrete scheme is as follows: the spring locking arms are additionally arranged on two sides of the rectangular well cover plate, locking surfaces are additionally arranged at corresponding positions of the rectangular well seat, the spring locking arm structure is common to round well cover products, three locking arms are usually arranged at equal intervals for each well cover, locking of the well covers can be effectively achieved, the structure is used for rectangular well cover products, although locking and anti-falling of the well covers can be achieved, the structure still has some defects in practical application, firstly, when the rectangular well seat is assembled with the rectangular well cover plate, locking heads of the spring locking arms are attached to the corresponding locking surfaces, the spring locking arm bodies are compressed, and therefore the purpose of locking is achieved.
Disclosure of Invention
The utility model aims to provide a self-compaction type anti-drop rectangular cast iron well cover, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a from closing type anticreep rectangle cast iron well lid, includes rectangle well seat and at least one rectangle well apron, the rectangle well seat has four sides, four sides are first locking limit, first side and second side in proper order, the contained angle that forms between the medial surface of first locking limit and its lower surface is the acute angle, the contained angle that forms between the medial surface of first side, the medial surface of first side and the medial surface of second side and the lower surface that corresponds respectively is the obtuse angle;
the rectangular well cover plate is provided with four side edges, namely a second locking edge, a third side edge, a second opening edge and a fourth side edge in sequence, wherein an included angle formed between the outer side surface of the second locking edge and the upper surface of the rectangular well cover plate is an obtuse angle, and included angles formed between the outer side surface of the second opening edge, the outer side surface of the third side edge and the outer side surface of the fourth side edge and the upper surface of the rectangular well cover plate are acute angles;
when the rectangular well cover plate is placed on the rectangular well seat, the outer side face of the second locking edge is contacted with the inner side face of the first locking edge.
Preferably, the rectangular well cover plate is arranged as one, and the size of the rectangular well cover plate is matched with the size of the rectangular well seat.
Preferably, the rectangular well cover plates are at least two, a plurality of rectangular well cover plates are sequentially arranged inside the rectangular well seats along the length direction of the rectangular well seats, the installation directions of the rectangular well cover plates are completely consistent, and the outer side face of the second locking edge in one rectangular well cover plate adjacent to the rectangular well seats is in contact with the inner side face of the first locking edge in the rectangular well seats.
Preferably, the rectangular well seat is an integrated rectangular well seat.
Preferably, the rectangular well seat is a split assembled rectangular well seat.
Preferably, in the use state, the inner side surface of the first side edge is in contact with the outer side surface of the third side edge, and the inner side surface of the second side edge is in contact with the outer side surface of the fourth side edge.
Preferably, a chamfer is arranged at the bottom end of the second locking edge of the rectangular well cover plate;
and a yielding area is formed on the outer side wall of the second opening edge of the rectangular well cover plate.
Compared with the prior art, the utility model has the beneficial effects that:
when the rectangular well seat and one well cover are independently matched, the rectangular well seat locking edge can be pressed above the locking edge side of the rectangular well cover plate through the first locking edge in the rectangular well seat and the second locking edge in the rectangular well cover plate, and meanwhile, the rectangular well cover plate is integrally pressed inside the rectangular well seat, so that a self-pressing type assembly structure can be formed, the functions of lifting prevention and falling prevention of the well cover are realized, and the well cover is not heavy and low in cost;
when the rectangular well seat and the plurality of rectangular well cover plates are matched for use, the first locking edge in the rectangular well seat is pressed above the second locking edge side of the 1 st rectangular well cover plate, the second opening edge of the 1 st rectangular well cover plate is pressed above the second locking edge side of the 2 nd rectangular well cover plate adjacent to the first locking edge side, the second opening edge of the 2 nd rectangular well cover plate is pressed above the second locking edge side of the 3 rd rectangular well cover plate adjacent to the second opening edge side, and the like, the second opening edge of the N-1 th rectangular well cover plate is pressed above the second locking edge side of the N th rectangular well cover plate adjacent to the second locking edge side, and the second opening edge of the N th rectangular well cover plate is pressed above the first opening edge side of the rectangular well seat, so that a self-compression structure between the rectangular well cover plate and the rectangular well seat and between the rectangular well cover plate can be formed, the anti-moving function of each rectangular well cover plate and the anti-lifting function of the rectangular well cover plate are not easy to occur.
Drawings
FIG. 1 is a schematic view of a conventional cast iron manhole cover for preventing falling off by means of self weight according to the present utility model;
FIG. 2 is a side view of a conventional cast iron manhole cover structure for preventing falling off by means of dead weight according to the present utility model
FIG. 3 is a top view of a cast iron manhole cover structure according to the present utility model for preventing falling off by means of an elastic locking arm
FIG. 4 is a bottom view of the cast iron manhole cover structure of the utility model, which is realized by means of elastic locking arms
FIG. 5 is a side view of a cast iron manhole cover structure according to the utility model, which is prevented from falling off by means of an elastic locking arm
FIG. 6 is a schematic perspective view of a rectangular well lid and an integral rectangular well seat according to the present utility model;
FIG. 7 is a schematic perspective view of a rectangular well lid and a split assembled rectangular well seat according to the utility model;
FIG. 8 is a schematic diagram of an integrated rectangular well base structure according to the present utility model;
FIG. 9 is a schematic diagram of a split assembled rectangular well seat according to the present utility model;
FIG. 10 is a schematic view of a first locking edge of a rectangular well seat according to the present utility model;
FIG. 11 is a schematic view of a first side of a rectangular well base according to the present utility model;
FIG. 12 is a schematic view of a first open side of a rectangular well seat according to the present utility model;
FIG. 13 is a schematic view of a second side of a rectangular well base according to the present utility model;
FIG. 14 is a schematic view of a rectangular manhole cover plate structure of the present utility model;
FIG. 15 is an assembled view of a rectangular well cover plate and rectangular well base (split assembled rectangular well base) of the present utility model;
FIG. 16 is a view of an assembled self-compacting structure of a rectangular well cover plate and a rectangular well base (split assembled rectangular well base) of the present utility model;
FIG. 17 is an enlarged view of the self-compacting mechanism between the second opening edge of the rectangular well cover plate and the first opening edge of the rectangular well seat of the present utility model;
FIG. 18 is an enlarged view of a self-compacting feature between a second open edge of a rectangular well cover plate and a second locking edge of an adjacent rectangular well cover plate;
fig. 19 is an enlarged view of a self-compacting structure between a first locking edge of a rectangular well seat and a second locking edge of a rectangular well cover plate.
In the figure: 1. a rectangular well seat; 2. a rectangular well cover plate; 3. a first locking edge; 4. a first side; 5. a first opening edge; 6. a second side; 7. the second locking edge; 8. a third side; 9. a second opening edge; 10. and a fourth side.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the description of the present utility model, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not drawn to actual scale, e.g., the thickness or width of some layers may be exaggerated relative to other layers for ease of description.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined or illustrated in one figure, no further detailed discussion or description thereof will be necessary in the following description of the figures.
Embodiment one:
as shown in fig. 6, 8 and 10-14, a first embodiment of the present utility model provides a technical solution: the utility model provides a self-compaction formula anticreep rectangle cast iron well lid, includes rectangle well seat 1 and at least one rectangle well apron 2, and rectangle well seat 1 has four sides, and four sides are first locking limit 3, first side 4, first opening limit 5 and second side 6 in proper order, and the contained angle that forms between the medial surface of first locking limit 3 and its lower surface is the acute angle, and the contained angle that forms between the medial surface of first opening limit 5 and its lower surface is the obtuse angle;
the rectangular well cover plate 2 is provided with four side edges, namely a second locking edge 7, a third side edge 8, a second opening edge 9 and a fourth side edge 10 in sequence, wherein an included angle formed between the outer side surface of the second locking edge 7 and the upper surface of the rectangular well cover plate 2 is an obtuse angle, and an included angle formed between the outer side surface of the second opening edge 9 and the upper surface of the rectangular well cover plate 2 is an acute angle;
when the rectangular well cover plate 2 is placed on the rectangular well seat 1, the outer side surface of the second locking edge 7 is contacted with the inner side surface of the first locking edge 3;
preferably, as shown in fig. 9-13, the included angle between the inner side surface of the first side edge 4 and the lower surface of the rectangular well seat 1 is an obtuse angle, and the included angle between the inner side surface of the second side edge 6 and the lower surface of the rectangular well seat 1 is an obtuse angle.
Optionally, the included angle between the inner side surface of the first side edge 4 and the lower surface of the first side edge is a right angle, and the included angle between the inner side surface of the second side edge 6 and the lower surface of the rectangular well seat 1 is a right angle.
It should be noted that, the rectangular well seat 1 has a directivity requirement during installation, and should satisfy: the vehicle driving direction is from the first locking limit 3 side to the first opening limit 5 side, put rectangular well cover plate 2 on rectangular well seat 1, the lateral surface of second locking limit 7 in rectangular well cover plate 2 and the medial surface of first locking limit 3 in rectangular well seat 1 contact, at this moment, rectangular well cover plate 2 is pressed on the bottom surface of rectangular well seat 1, first locking limit 3 is pressed the top of second locking limit 7 in rectangular well cover plate 2, when the vehicle passes from rectangular well cover plate 2 top, because of inertial effect, can make second locking limit 7 one side in rectangular well cover plate 2 produce the upward movement trend of bouncing, but because the first locking limit 3 in rectangular well seat 1 is pressed the second locking limit 7 top in rectangular well cover plate 2, the bouncing of rectangular well cover plate 2 has been prevented, thereby realize utilizing from compressing tightly formula structural feature realization anti-moving, anti-disengaging function.
Preferably, the rectangular well seat 1 is an integral rectangular well seat, the rectangular well seat 1 comprises a first return frame, a second return frame and a third return frame, the first return frame and the second return frame are fixedly arranged at the top of the first return frame, the upper surfaces of the first return frame and the second return frame are positioned on the same horizontal plane and are fixedly connected, the first return frame, the second return frame and the third return frame are integrally formed, four sides of the first return frame respectively form four sides of the rectangular well seat 1 with four sides of the second return frame, the rectangular well cover plate 2 is arranged as one, and the rectangular well cover plate 2 is completely matched with the rectangular well seat 1.
Specifically, the rectangular well cover plate 2 is placed in the rectangular well seat 1, four sides of the rectangular well cover plate 2 are in contact with four sides of the rectangular well seat 1, when a vehicle moves to the first opening side 5 along the first locking side 3 of the rectangular well seat 1, due to inertia, one side of the second locking side 7 in the rectangular well cover plate 2 can generate a movement trend of bouncing upwards, but due to the fact that the first locking side 3 in the rectangular well seat 1 is pressed above the second locking side 7 in the rectangular well cover plate 2, bouncing of the rectangular well cover plate 2 is prevented, and therefore the function of lifting and falling prevention is achieved by utilizing self-pressing structural characteristics.
Preferably, the bottom of the second locking edge 7 of the rectangular well cover plate 2 is provided with a chamfer, the outer side wall of the second opening edge 9 of the rectangular well cover plate 2 is provided with a yielding area, and the yielding area and the chamfer can enable the rectangular well cover plate 2 to be placed in the rectangular well seat 1 more smoothly.
In the use state, the inner side surface of the first side edge 4 is parallel to the outer side surface of the third side edge 8, the inner side surface of the second side edge 6 is parallel to the outer side surface of the fourth side edge 10, the inner side surface of the first side edge 4 is in contact with the outer side surface of the third side edge 8, and the inner side surface of the second side edge 6 is in contact with the outer side surface of the fourth side edge 10.
Embodiment two:
as shown in fig. 15-19, the rectangular well seat 1 is a split assembled rectangular well seat, that is, the first locking edge 3, the first side edge 4, the first opening edge 5 and the second side edge 6 are assembled by four independent edges, preferably, two rectangular well cover plates 2 are arranged, the installation directions of the two rectangular well cover plates 2 are completely consistent, the two rectangular well cover plates 2 are sequentially seated inside the rectangular well seat 1 along the length direction of the rectangular well seat 1, the first locking edge 3 in the rectangular well seat 1 presses the second locking edge 7 in the first rectangular well cover plate 2, the second opening edge 9 in the first rectangular well cover plate 2 presses the second locking edge 7 in the second rectangular well cover plate 2, and the second opening edge 9 in the second rectangular well cover plate 2 presses the first opening edge 5 in the rectangular well seat 1, so that a double self-pressing assembled structure is formed.
When the vehicle passes over the well cover, the wheels sequentially roll the two rectangular well cover plates 2, and the rectangular well cover plates 2 have a trend of moving backwards and upwards due to the action of inertia and friction force, because the rectangular well seat 1 presses the first rectangular well cover plate 2 by the first locking edge 3 and presses the second rectangular well cover plate 2 by the first rectangular well cover plate 2, the two rectangular well cover plates 2 cannot move, and the rectangular well cover plates 2 are prevented from falling out of the rectangular well seat 1.
Specifically, the length direction of the rectangular well cover plate 2 is parallel to the length direction of the rectangular well seat 1, that is, the length of the third side edge 8 is the length of the rectangular well cover plate 2, and because the rectangular well cover plate 2 and the rectangular well cover plate 2 are pressed and fastened by the second locking edge 7 and the second opening edge 9, the length selected by the rectangular well cover plate 2 can be flexibly matched and combined as long as the size of the rectangular well cover plate 2 is properly selected.
Optionally, the rectangular well cover plate 2 is provided with more than two, the installation directions of the rectangular well cover plates 2 are completely consistent, and the outer side surface of the second locking edge 7 in one rectangular well cover plate 2 adjacent to the rectangular well seat 1 is contacted with the inner side surface of the first locking edge 3 in the rectangular well seat 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a from compressing tightly anticreep rectangle cast iron well lid, includes rectangle well seat (1) and at least one rectangle well apron (2), its characterized in that: the rectangular well seat (1) is provided with four side edges, the four side edges are a first locking edge (3), a first side edge (4), a first opening edge (5) and a second side edge (6) in sequence, an included angle formed between the inner side surface of the first locking edge (3) and the lower surface of the first locking edge is an acute angle, and included angles formed between the inner side surface of the first opening edge (5), the inner side surface of the first side edge (4) and the inner side surface of the second side edge (6) and the corresponding lower surfaces of the first opening edge are obtuse angles;
the rectangular well cover plate (2) is provided with four side edges, namely a second locking edge (7), a third side edge (8), a second opening edge (9) and a fourth side edge (10), wherein an included angle formed between the outer side surface of the second locking edge (7) and the upper surface of the rectangular well cover plate (2) is an obtuse angle, and included angles formed between the outer side surface of the second opening edge (9), the outer side surface of the third side edge (8) and the outer side surface of the fourth side edge (10) and the upper surface of the rectangular well cover plate (2) are acute angles;
when the rectangular well cover plate (2) is placed on the rectangular well seat (1), the outer side face of the second locking edge (7) is contacted with the inner side face of the first locking edge (3).
2. The self-compacting, anti-drop rectangular cast iron well lid as claimed in claim 1, wherein: the rectangular well cover plate (2) is arranged in one mode, and the size of the rectangular well cover plate (2) is matched with the size of the rectangular well seat (1).
3. The self-compacting, anti-drop rectangular cast iron well lid as claimed in claim 1, wherein: the rectangular well cover plates (2) are at least two, a plurality of the rectangular well cover plates (2) are sequentially located inside the rectangular well seats (1) along the length direction of the rectangular well seats (1), and the installation directions of the rectangular well cover plates (2) are completely consistent, wherein the outer side face of the second locking edge (7) in the rectangular well cover plate (2) adjacent to the rectangular well seats (1) is in contact with the inner side face of the first locking edge (3) in the rectangular well seats (1).
4. The self-compacting, anti-drop rectangular cast iron well lid as claimed in claim 2, wherein: the rectangular well seat (1) is an integrated rectangular well seat.
5. A self-compacting, anti-slip rectangular cast iron well cover as set forth in claim 3, wherein: the rectangular well seat (1) is a split assembled rectangular well seat.
6. The self-compacting, anti-drop rectangular cast iron well lid as set forth in claim 4, wherein: in the use state, the inner side surface of the first side edge (4) is contacted with the outer side surface of the third side edge (8), and the inner side surface of the second side edge (6) is contacted with the outer side surface of the fourth side edge (10).
7. The self-compacting, anti-slip rectangular cast iron well cover as set forth in any one of claims 1-6, wherein: the bottom end of the second locking edge (7) of the rectangular well cover plate (2) is provided with a chamfer;
and a yielding area is formed on the outer side wall of the second opening edge (9) of the rectangular well cover plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566526.0U CN220644348U (en) | 2023-03-22 | 2023-03-22 | Self-compaction type anti-drop rectangular cast iron well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320566526.0U CN220644348U (en) | 2023-03-22 | 2023-03-22 | Self-compaction type anti-drop rectangular cast iron well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220644348U true CN220644348U (en) | 2024-03-22 |
Family
ID=90290887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320566526.0U Active CN220644348U (en) | 2023-03-22 | 2023-03-22 | Self-compaction type anti-drop rectangular cast iron well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220644348U (en) |
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2023
- 2023-03-22 CN CN202320566526.0U patent/CN220644348U/en active Active
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