CN218933217U - Dual anti-falling well lid - Google Patents
Dual anti-falling well lid Download PDFInfo
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- CN218933217U CN218933217U CN202223198637.5U CN202223198637U CN218933217U CN 218933217 U CN218933217 U CN 218933217U CN 202223198637 U CN202223198637 U CN 202223198637U CN 218933217 U CN218933217 U CN 218933217U
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- well lid
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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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Abstract
The utility model provides a dual anti-drop well lid, includes well seat, well lid, sub-lid and anti-drop net, the well seat includes well head end and passageway, and hinged joint is done with the well lid to this entrance point, and the passageway inner wall is equipped with a plurality of sub-lid mounting groove and couple, and this sub-lid mounting groove includes perpendicular portion, horizontal part and subsidence portion, and the sub-lid includes main part, and a plurality of linking arm, and in this a plurality of linking arm inserted a plurality of sub-lid mounting groove respectively, anti-drop net was connected with the couple and is expanded. The nodular cast iron is selected as a main material, the strength and toughness are good, the well lid structure is simple, and the problem that the existing well lid is easy to lose and difficult to supplement is solved. In the anti-falling structural design, the anti-falling sub-cover is easy to install and not easy to fall off, and the newly added 'up-down' hook can also be used for rapidly installing the nylon anti-falling net, so that the safety of the well cover is ensured. Moreover, the well lid and the well seat are designed in a rectangular shape through round corners, so that the well lid and the well seat have an anti-theft function and a 90-degree standing self-locking function, and the accidental injury of human feet caused by the accidental smashing of the well lid can be effectively prevented.
Description
Technical Field
The utility model relates to the technical field of well covers, in particular to a double anti-falling well cover.
Background
The well cover is used for covering a deep well in the municipal road and preventing pedestrians or objects from falling; the circular shape is generally adopted, and the novel road-blocking agent can be used for green belts, sidewalks, motor vehicle lanes, streets, small lanes and other places. The combination of the well ring and concrete of the existing well cover is not very good, the well ring is easy to loosen, and once the well cover is lost, or once water is pumped in the well, the well cover is possibly jacked up or even jacked away, and under the condition that a passer-by cannot see the feet, the danger of falling into the well exists, and casualties frequently occur due to the displacement loss of the well cover, so that the falling prevention measures are not in place. At present, the municipal facilities management regulations that go out each time after the other also make clear that the manhole cover of the urban drainage pipe network should have the anti-falling function, but the existing manhole cover can not achieve the aim well.
The existing cast iron well lid is generally in a form of setting a falling-preventing sub-lid, the device is generally characterized in that four supporting legs of the ductile iron sub-lid are vertically placed in a groove on the inner wall of a well lid seat ring, the device is convenient to install, but is easy to lose in the process of dredging, detecting or maintaining a pipeline, falls into a well, and even the falling-preventing sub-lid is likely to fall off due to overhigh water level at the bottom, so that safety accidents are caused.
Disclosure of Invention
The utility model provides a double anti-falling well cover for solving the defects of the technology.
The technical scheme of the utility model is as follows: the utility model provides a dual anti-falling well lid, includes well seat, well lid, sub-lid and anti-falling net, the well seat includes entrance point and passageway, and hinged joint is done with the well lid to this entrance point, the passageway inner wall is equipped with a plurality of sub-lid mounting groove and couple, and this sub-lid mounting groove includes perpendicular portion, horizontal part and subsidence portion, the sub-lid includes main part, and a plurality of linking arm, and in this a plurality of linking arm inserted a plurality of sub-lid mounting groove respectively, anti-falling net is connected with the couple and is expanded.
By adopting the technical scheme, through the cooperation of the designed sub-cover mounting groove structure and the sub-cover structure, when in use, the vertical part of the sub-cover mounting groove is inserted through the radial connecting arm arranged on the outer peripheral surface of the main body part of the sub-cover, and then the main body part of the Zhou Zhuaizi cover is slid to the horizontal part along the vertical part, so that the connecting arm can turn over and enter the tail end of the horizontal part and fall into the subsidence part to finish the clamping connection. By the clamping mode, the sub-cover is prevented from being separated by the supporting force of the water level at the bottom, and the sub-cover is prevented from falling. Meanwhile, the installation mode is convenient, and the connection is reliable. The main body of the sub cover can be provided with a hollowed-out groove, so that the weight and the cost are reduced on the premise of not affecting the strength.
The utility model is further provided with: the inlet end of the well seat is provided with a plurality of bulges, the end face of the well lid, facing the end of the well seat, is provided with a plurality of snap springs, each snap spring comprises a fixed end part and an elastic end part, the fixed end part is close to one side of the center of the well lid and is fixedly connected with the well lid, the elastic end parts extend to the bulges along the radial direction, and when the well lid and the well seat are closed, the elastic end parts are clamped with the bulges along the radial force application direction.
By adopting the technical scheme, after the traditional well lid is covered, the traditional well lid can be closed only by means of self weight, and the situation that the well lid is accidentally tilted is extremely easy to produce. The snap spring is arranged on the well cover and is clamped with the bulge on the well seat when the well cover is closed, the bulge is radially deformed by the contact of the elasticity of the snap spring, and the bulge is clamped by the deformation resistance, so that the well cover is kept closed, the accidental turning-up of the well cover is avoided, and the well cover is manually forced to be opened when the well cover needs to be opened.
The utility model is further provided with: the well lid is characterized in that the bulge is provided with a chamfer facing to the vertical lower part of the channel, the elastic end part is arc-shaped, the arc-shaped outer side of the elastic end part is provided with an inclined surface part clamped with the bulge, the inner side of the corresponding elastic end part of the well lid is provided with a limiting block, and the limiting block is positioned on the other side of the elastic end part, which is opposite to the radial deformation of the bulge.
By adopting the technical scheme, the bulge is provided with the chamfer facing to the vertical lower part of the channel, so that the elastic end part extends into the well seat along the radial direction, and the clamping strength is further enhanced. The limiting block avoids the excessive bending of the elastic block.
The utility model is further provided with: the well lid is provided with a hinge seat, the hinge seat is provided with a slotted hole, and the well seat is provided with a bolt inserted into the slotted hole and hinged to the well lid.
The utility model is further provided with: the hinge seat is rectangular, and a locking block is arranged at the position, corresponding to the turnover position of the hinge seat, of the well seat.
By adopting the technical scheme, the slotted hole is arranged to serve as the hinge hole, so that the well lid can be turned up to be vertical by 90 degrees, then can relatively move along the slotted hole and is clamped with the locking block to keep the function of vertical 90-degree locking, and therefore, when the well lid is maintained, the well lid cannot accidentally fall down and injure personnel by smashing. Meanwhile, compared with the traditional structure that the whole well lid is detached, the well lid has an anti-theft function.
The utility model is further provided with: the hook comprises an upper hook and a lower hook, and openings of the upper hook and the lower groove are staggered.
By adopting the technical scheme, the openings of the upper hook and the lower hook are staggered, so that the hooked anti-falling net cannot be unhooked due to movement in the same direction, and the safety of the anti-falling net is further improved.
The utility model is further provided with: the drop-preventing net and the hooks are arranged under the sub-cover vertically.
The utility model is further provided with: the profile of the inlet end of the well seat relative to the well cover is provided with an annular supporting table, and the contact surface of the annular supporting table and the well cover is provided with a trapezoid caulking groove and a vulcanized rubber pad arranged in the trapezoid caulking groove.
By adopting the technical scheme, the vulcanized rubber pad arranged buffers impact sound when the well lid falls down.
The utility model has the beneficial effects that: the nodular cast iron is selected as a main material, the strength and toughness are good, the well lid structure is simple, and the problem that the existing well lid is easy to lose and difficult to supplement is solved. In the anti-falling structural design, the anti-falling sub-cover is easy to install and not easy to fall off, and the newly added 'up-down' hook can also be used for rapidly installing the nylon anti-falling net, so that the safety of the well cover is ensured. And moreover, the well lid and the well seat are linked by adopting stainless steel bolts, and the well lid and the well seat are designed in a long rectangular shape through round corners, so that the well lid has an anti-theft function and a 90-degree standing self-locking function, and the well lid can be effectively prevented from accidentally injuring the feet of a person by smashing.
Drawings
FIG. 1 is a block diagram of FIG. 1 of an embodiment of the present utility model;
FIG. 2 is a block diagram of FIG. 2 in accordance with an embodiment of the present utility model;
FIG. 3 is a block diagram of FIG. 3 in accordance with an embodiment of the present utility model;
FIG. 4 is a cross-sectional view 1 of an embodiment of the present utility model;
FIG. 5 is a cross-sectional view 2 of an embodiment of the present utility model;
FIG. 6 is a view showing a sub-cover structure of an embodiment of the present utility model;
fig. 7 is an enlarged view of B in fig. 2.
The novel anti-falling net comprises a 1-well seat, an 11-inlet end, a 12-channel, a 13-sub cover mounting groove, a 131-vertical part, a 132-horizontal part, a 133-sinking part, a 14-bulge, a 2-well cover, a 21-clamp spring, a 22-limiting block, a 23-hinging seat, a 24-oblong hole, a 25-bolt, a 26-locking block, a 27-annular supporting table, a 28-vulcanized rubber pad, a 3-sub cover, a 4-anti-falling net and a 5-hook.
Detailed Description
The present utility model will now be described in detail with reference to the accompanying drawings, as shown in figures 1-7,
the utility model provides a dual anti-falling well lid 2, includes well seat 1, well lid 2, sub-lid 3 and anti-falling net 4, well seat 1 includes entrance point 11 and passageway 12, and this entrance point is hinged joint with well lid 2, the passageway 12 inner wall is equipped with a plurality of sub-lid mounting groove 13 and couple 5, and this sub-lid mounting groove 13 includes perpendicular portion 131, horizontal portion 132 and subsidence portion 133, sub-lid 3 includes subsidence portion 31, and a plurality of linking arm 32, and in this a plurality of linking arm 32 inserted a plurality of sub-lid mounting groove 13 respectively, anti-falling net 4 is connected with couple 5 and is expanded.
Through the cooperation of the designed sub-cover mounting groove 13 structure and the sub-cover 3 structure, when in use, the connecting arm 32 arranged on the radial outer peripheral surface of the sunken part 31 of the sub-cover 3 is inserted into the vertical part 131 of the sub-cover mounting groove 13 and slides down to the horizontal part 132 along the vertical part 131, and then the sunken part 31 of the sub-cover 3 is covered by Zhou Zhuaizi, so that the connecting arm 32 is enabled to turn round and enter the tail end of the horizontal part 132 and fall into the sunken part 133 to finish clamping. By the clamping mode, the sub-cover 3 is prevented from being separated by the supporting force of the water level at the bottom, and the sub-cover 3 is prevented from falling. Meanwhile, the installation mode is convenient, and the connection is reliable. The sunken part 31 of the sub cover 3 can be provided with a hollowed groove, so that the weight and the cost are reduced on the premise of not influencing the strength.
The inlet end of the well seat 1 is provided with a plurality of bulges 14, the end face of the well lid 2, facing the end of the well seat 1, is provided with a plurality of clamping springs 21, each clamping spring 21 comprises a fixed end part and an elastic end part, the fixed end part is close to one side of the center of the well lid 2 and is fixedly connected with the well lid 2, the elastic end part extends to the bulges 14 along the radial direction, and when the well lid 2 and the well seat 1 are closed, the elastic end part is clamped with the bulges 14 along the radial force application.
After the traditional well lid 2 is covered, the well lid can be closed only by means of self weight, and the situation that the well lid 2 accidentally tilts is extremely easy to produce. The snap spring 21 arranged on the well lid 2 is clamped with the bulge 14 on the well seat 1 when the cover is closed, the bulge 14 is radially deformed by the elasticity of the snap spring 21, and the bulge 14 is clamped by deformation resistance, so that the well lid 2 is kept closed, the accidental turning-up of the well lid 2 is avoided, and the manual force application is applied when the well lid needs to be opened.
The bulge 14 is provided with a chamfer facing to the vertical lower part of the channel 12, the elastic end part is arc-shaped, the arc-shaped outer side of the elastic end part is provided with an inclined surface part clamped with the bulge 14, the inner side of the corresponding elastic end part of the well lid 2 is provided with a limiting block 22, and the limiting block 22 is positioned on the other side of the elastic end part, which is opposite to the radial deformation of the bulge 14.
The protrusions 14 are provided with chamfers facing vertically below the channels 12, so that the elastic end portions extend into the well seat 1 in the radial direction, and the clamping strength is further enhanced. The stopper 22 prevents the elastic block from being excessively bent.
The well lid 2 is provided with a hinge seat 23, the hinge seat 23 is provided with a slotted hole 24, and the well seat 1 is provided with a bolt 25 which is inserted into the slotted hole 24 and is hinged with the well lid 2.
The hinge seat 23 is rectangular, and a locking block 26 is arranged at the position of the well seat 1 corresponding to the turnover position of the hinge seat 23.
The slotted hole 24 is arranged as a hinge hole, so that the well lid 2 can be vertically 90 degrees after being turned up, then relatively moves along the slotted hole 24 and is clamped with the locking block 26, so that the vertical 90-degree locking function is maintained, and the well lid 2 does not accidentally fall down and injure personnel during maintenance. Meanwhile, compared with the traditional structure that the whole well cover 2 is detached, the anti-theft well cover has an anti-theft function.
The hook 5 comprises an upper hook and a lower hook, and the openings of the upper hook and the lower groove are staggered.
The openings of the upper hook and the lower hook are staggered, so that the hooked anti-falling net 4 cannot be unhooked due to movement in the same direction, and the safety of the anti-falling net 4 is further improved.
The anti-falling net 4 and the hooks 5 are arranged vertically below the sub-cover 3.
The profile of the inlet end of the well seat 1 relative to the well cover 2 is provided with an annular supporting table 27, and the contact surface of the annular supporting table 27 and the well cover 2 is provided with a trapezoid caulking groove and a vulcanized rubber pad 28 arranged in the trapezoid caulking groove.
By adopting the technical scheme, the vulcanized rubber pad 28 is arranged to buffer the impact sound when the well cover 2 falls down.
The nodular cast iron is selected as a main material, the strength and toughness are good, the well lid 2 is simple in structure, and the problem that the well lid 2 is easy to lose and difficult to supplement at present is solved. In the anti-falling structural design, the anti-falling sub-cover 3 is easy to install and is not easy to fall off, the newly added 'up-down' hook 5 can also be used for rapidly installing the nylon anti-falling net 4, and the safety of the well cover 2 is ensured. And moreover, the well lid 2 and the well seat 1 are linked by adopting the stainless steel bolts 25, and the well lid has an antitheft function and an upright 90-degree self-locking function through the design of a long rectangle with round corners, so that the accidental injury of human feet by the well lid 2 can be effectively prevented.
The above examples are only illustrative of the preferred embodiments of the present utility model and do not limit the scope of the utility model as claimed, and various modifications made by those skilled in the art according to the technical solution of the present utility model should fall within the scope of the utility model as defined in the claims without departing from the design concept of the present utility model.
Claims (8)
1. The utility model provides a dual anti-falling well lid which characterized in that: including well seat, well lid, sub-lid and anti-drop net, the well seat includes entrance point and passageway, and this entrance point is hinged joint with the well lid, the passageway inner wall is equipped with a plurality of sub-lid mounting groove and couple, and this sub-lid mounting groove includes perpendicular portion, horizontal part and subsidence portion, the sub-lid includes main part portion, and a plurality of linking arm, and in this a plurality of linking arm inserted a plurality of sub-lid mounting groove respectively, anti-drop net is connected with the couple and is expanded.
2. The dual fall arrest manhole cover of claim 1, wherein: the inlet end of the well seat is provided with a plurality of bulges, the end face of the well lid, facing the end of the well seat, is provided with a plurality of snap springs, each snap spring comprises a fixed end part and an elastic end part, the fixed end part is close to one side of the center of the well lid and is fixedly connected with the well lid, the elastic end parts extend to the bulges along the radial direction, and when the well lid and the well seat are closed, the elastic end parts are clamped with the bulges along the radial force application direction.
3. The dual fall arrest manhole cover of claim 2, wherein: the well lid is characterized in that the bulge is provided with a chamfer facing to the vertical lower part of the channel, the elastic end part is arc-shaped, the arc-shaped outer side of the elastic end part is provided with an inclined surface part clamped with the bulge, the inner side of the corresponding elastic end part of the well lid is provided with a limiting block, and the limiting block is positioned on the other side of the elastic end part, which is opposite to the radial deformation of the bulge.
4. The dual fall arrest manhole cover of claim 1, wherein: the well lid is provided with a hinge seat, the hinge seat is provided with a slotted hole, and the well seat is provided with a bolt inserted into the slotted hole and hinged to the well lid.
5. The dual fall arrest manhole cover as claimed in claim 4, wherein: the hinge seat is rectangular, and a locking block is arranged at the position, corresponding to the turnover position of the hinge seat, of the well seat.
6. The dual fall arrest manhole cover according to any one of claims 1-5, wherein: the hook comprises an upper hook and a lower hook, and openings of the upper hook and the lower groove are staggered.
7. The dual fall arrest manhole cover as claimed in claim 6, wherein: the drop-preventing net and the hooks are arranged under the sub-cover vertically.
8. The dual fall arrest manhole cover as claimed in claim 7, wherein: the profile of the inlet end of the well seat relative to the well cover is provided with an annular supporting table, and the contact surface of the annular supporting table and the well cover is provided with a trapezoid caulking groove and a vulcanized rubber pad arranged in the trapezoid caulking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198637.5U CN218933217U (en) | 2022-11-30 | 2022-11-30 | Dual anti-falling well lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223198637.5U CN218933217U (en) | 2022-11-30 | 2022-11-30 | Dual anti-falling well lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218933217U true CN218933217U (en) | 2023-04-28 |
Family
ID=86094424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223198637.5U Active CN218933217U (en) | 2022-11-30 | 2022-11-30 | Dual anti-falling well lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218933217U (en) |
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2022
- 2022-11-30 CN CN202223198637.5U patent/CN218933217U/en active Active
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