CN219450830U - Anti-falling structure of anti-surging well lid - Google Patents
Anti-falling structure of anti-surging well lid Download PDFInfo
- Publication number
- CN219450830U CN219450830U CN202320047312.2U CN202320047312U CN219450830U CN 219450830 U CN219450830 U CN 219450830U CN 202320047312 U CN202320047312 U CN 202320047312U CN 219450830 U CN219450830 U CN 219450830U
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- Prior art keywords
- falling
- falling plate
- plate
- pair
- kick
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- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 238000011010 flushing procedure Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a prevent anti-well lid anti-falling structure that gushes, includes well frame and anti-falling plate, the one end pin joint of anti-falling plate and one side pin joint of the medial surface of well frame, the other end of anti-falling plate and the opposite side detachably buckle of the medial surface of well frame are connected, anti-falling plate is equipped with a plurality of bleeder holes that link up along thickness direction. The utility model has good anti-surge capability and is safe and reliable to use.
Description
Technical Field
The utility model relates to a well cover technology.
Background
The anti-falling plate used in the market at present is a rigid anti-falling structure formed by welding steel plates or casting cast iron, and is mainly hung in a prefabricated groove on a well frame of a well lid through an anti-falling hook of the anti-falling plate. The anti-falling plate has better bearing and durability than the anti-falling net due to the rigidity characteristic. However, due to the rigidity of the anti-falling plate, the anti-falling plate can not well cope with the back flushing in the well. When pressure relief is needed in the well, under the condition that the well lid is opened, the anti-falling plate is easily ejected out of the well frame by the reversely-surging water flow, so that potential safety hazards are caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a reverse surge preventing well lid anti-falling structure which has good reverse surge preventing capability, is safe and reliable to use and has long service life.
According to the anti-surging well lid anti-falling structure, the anti-surging well lid anti-falling structure comprises a well frame and an anti-falling plate, one end of the anti-falling plate is pivoted with one side of the inner side surface of the well frame, the other end of the anti-falling plate is detachably connected with the other side of the inner side surface of the well frame in a buckling mode, and the anti-falling plate is provided with a plurality of drainage holes penetrating in the thickness direction.
Further, the anti-falling plate is made of engineering plastics.
The utility model has at least the following advantages:
1. the anti-falling plate is connected with the well frame in a buckling manner, so that the anti-falling plate can be firmly clamped, the anti-falling plate is prevented from being ejected out by reverse water flow, on the other hand, the anti-falling plate is provided with a plurality of through drain holes along the thickness direction, the anti-falling plate is used for draining when in reverse water flow in a well, and the impact force of the water flow is prevented from being too large, therefore, the anti-falling plate can be prevented from being ejected out of the well frame by reverse water flow, and the anti-falling plate is safer and more reliable to use;
2. the anti-falling plate is made of high-strength engineering plastics, so that the strength is increased and the service life is prolonged.
Drawings
Fig. 1 shows a perspective view of a structure for preventing a reverse surge manhole cover from falling according to an embodiment of the present utility model.
Fig. 2 shows an enlarged schematic view of section a of fig. 1.
Fig. 3 is a perspective view schematically showing a structure for preventing a reverse surge manhole cover from falling according to an embodiment of the present utility model from another angle.
Fig. 4 shows an enlarged schematic view of section B of fig. 3.
Fig. 5 shows a schematic top view of a fall arrest plate according to an embodiment of the utility model.
Fig. 6 shows an enlarged schematic view of section C of fig. 5.
Fig. 7 shows a schematic cross-sectional view of B-B of fig. 6.
Fig. 8 shows an enlarged schematic view of portion D of fig. 5.
Fig. 9 shows a schematic D-D cross-sectional view of fig. 8.
FIG. 10 illustrates a top view schematic of a well frame according to one embodiment of the utility model.
Fig. 11, 12 and 13 show A-A, B-B and C-C cross-sectional views of fig. 10, respectively.
Fig. 14 shows an enlarged partial schematic view of a well frame according to an embodiment of the utility model.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
Please refer to fig. 1 to 14. The anti-surging well lid anti-falling structure comprises a well frame 1 and an anti-falling plate 2.
One end of the anti-falling plate 2 is pivoted with one side of the inner side surface of the well frame 1, and the other end of the anti-falling plate 2 is detachably buckled with the other side of the inner side surface of the well frame 1. The shape of the anti-falling plate 2 is approximate to a circle, so that the anti-falling plate can be ensured to have maximized area and is not limited when being opened. The anti-falling plate 2 is provided with a plurality of through drain holes 20 along the thickness direction for draining when the well is reversely gushed, so as to prevent the overlarge impact force. Preferably, the anti-falling plate 2 is made of high-strength engineering plastic, so that the strength is improved and the service life is prolonged. The plurality of drain holes 20 are uniformly distributed on the fall preventing plate 2.
In a specific embodiment, one side of the inner side of the well frame 1 is provided with a pair of support tabs 11 extending towards the interior of the well frame, the pair of support tabs 11 being located on either side of the hinge frame of the well frame 1. The articulated frame is used for realizing the articulation between the well frame 1 and the cover plate 3 of the well cover. Alternatively, the pair of support pieces 11 are rectangular in shape and are cast integrally with the well frame 1. The free end of each support piece 11 is rounded, and the support piece 11 is provided with a pivot hole 110 near the free end. One end of the fall protection plate 2 is provided with two pairs of bifurcation parts 21, each bifurcation part 21 is provided with a horizontally extending strip hole 210, and the strip holes 210 are used for inserting pivots. The pair of support pieces 11 are respectively inserted into the openings 22 of the two pairs of bifurcated portions 21, and the fall arrest plate 2 is fixed to the pair of support pieces 11 of the well frame 1 by being coupled together through the pair of support pieces 11 and the pivots 4 (the pivots may be bolts) of the two pairs of bifurcated portions 21.
Further, the anti-kick manhole cover anti-falling structure of the present embodiment includes a locking structure capable of locking the falling protection plate 2 in an open position. In the present embodiment, the fall arrest plate 2 is perpendicular to the horizontal plane when the fall arrest plate 2 is rotated to the above-described open position. The locking structure includes locking grooves 111 provided on the top surfaces of the pair of support pieces 11, and locking protrusions 211 provided on the bottoms of the openings 22 of the pair of the fork portions 21, the locking protrusions 211 being engaged with the locking grooves 111, and when the fall arrest plate 2 is in the open position, the locking protrusions 211 are respectively embedded into the corresponding locking grooves 111 to lock the fall arrest plate 2 in the open position. When personnel go down the well to operate or the city encounters excessive storm and the well lid needs to be opened for drainage, the locking function can be adopted to firmly lock the falling prevention plate 2 in the open state, and the falling prevention plate 2 is not worried about being closed accidentally.
In the present embodiment, the other side of the inner side surface of the well frame 1 is provided with a support portion 12 for supporting the other end of the fall preventing plate 2. The other end of the anti-falling plate 2 is provided with an elastic buckle 23, and the supporting part 12 is provided with a clamping block 13 which is detachably connected with the elastic buckle 23 in a buckling manner. Through the buckle connection between the elastic buckle 23 and the clamping block 13, the anti-falling plate 2 can be firmly clamped, and the anti-falling plate 2 is ejected out by the water flow preventing reverse flushing.
Specifically, the support 12 includes a pair of support ribs 124, and the latch 13 is disposed on one of the support ribs 124. The other end of the fall-preventing plate 2 is provided with a pair of cantilevers 24 protruding outwards, the pair of cantilevers 24 are located on two sides of the other end of the fall-preventing plate 2, the elastic buckle 23 is located between the pair of cantilevers 24, and the pair of cantilevers 24 are pressed on the pair of supporting ribs 124.
The elastic clasp 23 includes an elastic arm 231 and a connecting arm 232. One end of the connecting arm 232 is connected with the other end of the falling-preventing plate 2, the elastic arm 231 is arranged opposite to the other end of the falling-preventing plate at intervals, one end of the elastic arm 231 is connected with the other end of the connecting arm, the outer side surface of the other end of the elastic arm 231 is provided with a first clamping hook 233, and the clamping block 13 is composed of a second clamping hook matched with the first clamping hook 233.
The fastening surface of the first fastening hook 233 faces upwards, and the outer side of the first fastening hook 233 is provided with a first guiding inclined surface 234. The fastening surface of the second fastening hook 13 faces downwards, and the outer side of the second fastening hook is provided with a second guiding inclined surface 14. The second guiding inclined plane 14 cooperates with the first guiding inclined plane 234 to guide the fastening surface of the first fastening hook 233 to fasten the fastening surface of the second fastening hook 13. Optionally, the fastening surface of the first fastening hook 233 and the fastening surface of the second fastening hook 13 are both plane surfaces. When the anti-falling plate 2 is closed, the elastic buckle 23 is gradually bent under the action of the guiding inclined plane through inertia or force, and finally the second clamping hook 13 on the well frame is completely clamped, so that the anti-falling plate cannot be easily separated.
Further, the other side of the inner side surface of the well frame 1 is also provided with an unlocking rod 5 for releasing the buckle connection between the other end of the anti-falling plate and the other side of the inner side surface of the well frame. When the unlocking rod 5 is rotated anticlockwise, the elastic buckle 23 can deform, so that the first clamping hook is separated from the second clamping hook. After unlocking, the falling-preventing plate 2 can be freely opened and closed.
The anti-falling plate is connected with the well frame in a buckling manner, so that the anti-falling plate can be firmly clamped, the anti-falling plate is prevented from being ejected by reverse water flow, on the other hand, the anti-falling plate is provided with a plurality of through drain holes in the thickness direction, the anti-falling plate is used for draining when in reverse water flow in a well, and the impact force of the water flow is prevented from being too large, therefore, the anti-falling plate can be prevented from being ejected out of the well frame by reverse water flow, and the use safety is improved.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a prevent anti-well lid anti-falling structure, includes well frame and anti-falling plate, its characterized in that, the one end of anti-falling plate with one side pin joint of the medial surface of well frame, the other end of anti-falling plate with the opposite side detachably buckle of the medial surface of well frame is connected, the anti-falling plate is equipped with a plurality of bleeder holes that link up along thickness direction.
2. The anti-kick manhole cover fall protection structure of claim 1, wherein the anti-kick manhole cover fall protection structure comprises a locking structure capable of locking the fall protection plate in an open position.
3. The anti-reverse flushing well lid anti-falling structure according to claim 1, wherein a pair of supporting pieces extending towards the inside of the well frame are arranged on one side of the inner side face of the well frame, and locking grooves are formed in the top faces of the pair of supporting pieces;
two pairs of bifurcation parts are arranged at one end of the anti-falling plate, and locking convex blocks matched with the locking grooves are arranged at the bottom of the opening of each pair of bifurcation parts;
the pair of support sheets respectively extend into the openings of the two pairs of bifurcation parts and are connected together through a pivot passing through the pair of support sheets and the two pairs of bifurcation parts; when the anti-falling plate is in the open position, each locking lug is respectively embedded into the corresponding locking groove.
4. The anti-kick manhole cover fall preventing structure according to claim 1, wherein the other side of the inner side surface of the manhole frame is provided with a supporting part for supporting the other end of the fall preventing plate.
5. The anti-kick manhole cover anti-falling structure according to claim 4, wherein an elastic buckle is arranged at the other end of the anti-falling plate, and a clamping block detachably connected with the elastic buckle is arranged on the supporting portion.
6. The anti-kick manhole cover fall prevention structure of claim 5, wherein the support portion comprises a pair of support ribs, the fixture block being disposed on one of the support ribs;
the other end of the anti-falling plate is provided with a pair of cantilevers which extend outwards, the cantilevers are positioned at two sides of the other end of the anti-falling plate, and the elastic buckle is positioned between the cantilevers; the pair of cantilevers press against the pair of support ribs.
7. The anti-kick manhole cover fall prevention structure of claim 5 or 6, wherein the elastic buckle comprises an elastic arm portion and a connection arm portion; one end of the connecting arm part is connected with the other end of the anti-falling plate, the elastic arm part and the other end of the anti-falling plate are arranged in a spaced opposite mode, one end of the elastic arm part is connected with the other end of the connecting arm part, and a first clamping hook is arranged on the outer side face of the other end of the elastic arm part;
the clamping block is composed of a second clamping hook matched with the first clamping hook.
8. The anti-kick manhole cover anti-falling structure of claim 7, wherein the fastening surface of the first fastening hook faces upwards, and a first guiding inclined surface is arranged on the outer side of the first fastening hook;
the clamping face of the second clamping hook faces downwards, and a second guiding inclined plane is arranged on the outer side of the second clamping hook; the second guiding inclined plane is matched with the first guiding inclined plane to guide the buckling surface of the first clamping hook to buckle the buckling surface of the second clamping hook.
9. The anti-kick manhole cover anti-falling structure according to claim 1, wherein the other side of the inner side of the manhole frame is provided with an unlocking rod for releasing the snap connection between the other end of the anti-falling plate and the other side of the inner side of the manhole frame.
10. The anti-kick manhole cover anti-falling structure of claim 1, wherein the anti-falling plate is made of engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320047312.2U CN219450830U (en) | 2023-01-06 | 2023-01-06 | Anti-falling structure of anti-surging well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320047312.2U CN219450830U (en) | 2023-01-06 | 2023-01-06 | Anti-falling structure of anti-surging well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219450830U true CN219450830U (en) | 2023-08-01 |
Family
ID=87387628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320047312.2U Active CN219450830U (en) | 2023-01-06 | 2023-01-06 | Anti-falling structure of anti-surging well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219450830U (en) |
-
2023
- 2023-01-06 CN CN202320047312.2U patent/CN219450830U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201101 room 402, building 3, Jiuge business center, Lane 2301, Yishan Road, Minhang District, Shanghai Patentee after: Siergai (Shanghai) Water Supply and Drainage Technology Co.,Ltd. Address before: 201101 room 402, building 3, Jiuge business center, Lane 2301, Yishan Road, Minhang District, Shanghai Patentee before: Shanghai Changtu Water Supply and Drainage Equipment Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240311 Address after: 201101 room 402, building 3, Jiuge business center, Lane 2301, Yishan Road, Minhang District, Shanghai Patentee after: Siergai (Shanghai) Water Supply and Drainage Technology Co.,Ltd. Country or region after: China Patentee after: Botou Lisheng Casting Co.,Ltd. Address before: 201101 room 402, building 3, Jiuge business center, Lane 2301, Yishan Road, Minhang District, Shanghai Patentee before: Siergai (Shanghai) Water Supply and Drainage Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |