CN218643425U

CN218643425U - Inspection well cover

Info

Publication number: CN218643425U
Application number: CN202223107782.8U
Authority: CN
Inventors: 房可伟; 张旭锋; 黄戴; 王程; 邹幸步; 余金虎; 沈剑明; 徐辉; 胡王泽; 查李嘉
Original assignee: Ningbo Longyuanshenghong Ecological Construction Engineering Co ltd
Current assignee: Ningbo Longyuanshenghong Ecological Construction Engineering Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-17
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a manhole cover, include: the well ring is arranged on the base, the female cover is hinged to the well ring, the sub-cover is arranged in the well ring, the inner side of the well ring is provided with a sinking platform, the inner wall of the sinking platform is provided with a vertical guide groove, a transverse transition groove and a limiting groove, the transverse transition groove is communicated with the vertical guide groove and the limiting groove, the vertical guide groove is communicated with the top surface of the sinking platform, lugs are symmetrically distributed on the sub-cover, and the lugs enter the limiting groove from the vertical guide groove and the transverse transition groove in sequence to enable the sub-cover to be limited in the well ring. The utility model discloses novel structure prevents falling, and the security is high, and the sub-lid dismouting is simple, replaces the bolt fastening mode, and is laborsaving convenient.

Description

Inspection well cover

Technical Field

The utility model belongs to the technical field of town road safety facility, especially, relate to a manhole cover.

Background

The inspection well is arranged for the convenience of maintenance and installation of power supply, water supply, drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure.

The inspection well cover is an indispensable accessory structure in the inspection well, and the existing inspection well cover has the following defects: interior string prevents weighing down the fag end net, and the protection form is single, and bearing capacity is limited, needs frequent maintenance, and the practicality is poor, and prevents weighing down the hole of fag end net great, and rubbish such as stone, debris pass this hole easily, cause the influence to the underground piping environment, have increased the clearance degree of difficulty. The prior patent document (publication number: CN 215406195U) discloses a manhole cover, which describes that an inner cover body is fixedly arranged on the top of a first mounting platform through a fixing mechanism, and the fixing mechanism is substantially a fixing screw rod and a fixing nut, so that the problems of labor for assembly and disassembly and inconvenient operation exist.

Disclosure of Invention

The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a manhole cover, novel structure prevents falling, and the security is high, and the sub-lid dismouting is simple, replaces the bolt fastening mode, and is laborsaving convenient.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a manhole cover comprising: base, walling crib and female lid, the walling crib is located on the base, and female lid articulates on the walling crib, its characterized in that: the well ring is internally provided with a sub cover, the inner side of the well ring is provided with a sinking platform, the inner wall of the sinking platform is provided with a vertical guide groove, a transverse transition groove and a limiting groove, the transverse transition groove is communicated with the vertical guide groove and the limiting groove, the vertical guide groove is communicated with the top surface of the sinking platform, lugs are symmetrically distributed on the sub cover, and the lugs sequentially enter the limiting groove from the vertical guide groove and the transverse transition groove to limit the sub cover in the well ring. This inspection well lid novel structure prevents falling, and the security is high, and the sub-lid dismouting is simple, replaces the bolt fastening mode, and is laborsaving convenient.

Further, be equipped with damping washer on the heavy platform, female lid is closed the back and is contradicted with damping washer, and damping washer has cut off the direct contact of female lid with heavy platform, and damping washer's elastic deformation effectively alleviates female lid to the impact of walling crib, can slow down the vibrations that the vehicle rolled female lid and produced, and then noise reduction.

Furthermore, the bottom of the damping washer is provided with a protruding portion, and a positioning groove corresponding to the protruding portion is formed in the sinking platform, so that the damping washer can be quickly installed and positioned on the sinking platform, the installation difficulty is reduced, the contact area between the damping washer and the sinking platform is increased, and the installation firmness of the damping washer is improved.

Furthermore, the pressure bearing plate is arranged on the walling crib, so that the bearing capacity of the walling crib is improved, and the walling crib is not easy to crush; the bearing plate is provided with the convex ribs, so that the structural strength of the surface of the bearing plate is improved, the bearing plate is not easy to deform under pressure, the roughness of the surface of the bearing plate is increased, and the anti-skidding effect is achieved.

Furthermore, the bearing plate is provided with an installation through hole, so that the foundation bolt can be conveniently arranged in a penetrating mode and fixed on the spot, and the installation convenience is improved.

Further, the walling crib threaded connection base replaces the welded fastening mode, and the dismouting is convenient, and the damage can be changed alone, connects reliably convenient to use.

Further, the bottom of base is equipped with the foundation ring, and the internal diameter of foundation ring is less than the internal diameter of base to make the foundation ring stop the walling crib and weigh down, improved the security of walling crib, at the butt joint in-process, when the walling crib contradicts with the foundation ring, guaranteed that base and foundation ring have the biggest area of contact, connect reliably.

Furthermore, the outer diameter of the bottom ring is larger than that of the base, so that the contact area between the bottom ring and the ground is increased, and the placing stability is improved; a triangular reinforcing rib is arranged between the bottom ring and the base, so that the connection strength between the bottom ring and the base is improved.

Furthermore, the female cover is provided with water leakage holes, so that surface water can flow downwards conveniently, and the female cover can be pried open conveniently; the sub-cover is evenly distributed with the limbers, which is beneficial for water to pass through the lower row, and reduces the weight of the sub-cover.

Furthermore, the cross reinforcing ribs are arranged on the sub-cover, so that the structural strength of the sub-cover is improved, the bearing strength of the sub-cover is improved, the sub-cover is not easy to break under pressure, and the service life of the sub-cover is long.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:

1. the sub-cover can prevent foreign objects from continuously falling in the inspection to cause secondary damage, so that the safety is improved, the falling of garbage such as stones, massive sundries and the like is prevented, the subsequent cleaning is convenient, and the underground pipeline environment is protected; the lugs slide downwards along the vertical guide grooves, then transversely slide into the transverse transition grooves and finally enter the limiting grooves, the lugs cannot freely fall out of the limiting grooves, the sub-cover is limited in the well ring, the disassembly and the assembly are simple, the replacement is convenient, a bolt fixing mode is replaced, and the labor is saved and the convenience is realized; foreign objects fall on the sub-cover, the sub-cover is pressed, the lug is more difficult to be upwards separated from the limiting groove, and the installation reliability is high.

2. The shock-absorbing gasket prevents the female cover from directly contacting the sinking platform, the impact of the female cover on the well ring is effectively relieved by the elastic deformation of the shock-absorbing gasket, the vibration generated when the vehicle rolls over the female cover can be relieved, and the noise is further reduced; the bellying of cushion ring bottom is connected with sinking the positioning groove cooperation on the platform, realizes the quick installation location of cushion ring on sinking the platform on the one hand, has reduced the installation degree of difficulty, and on the other hand has increased the area of contact of cushion ring with sinking the platform, has improved cushion ring's installation fastness.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the well ring and the female cap in the first embodiment;

FIG. 3 is a schematic structural diagram of a walling crib in accordance with an embodiment;

FIG. 4 is a schematic structural diagram of a sub-cap according to an embodiment;

FIG. 5 is a schematic view of the connection between the base and the well ring according to the second embodiment;

FIG. 6 is a schematic view showing the structure of the connection between the grommet and the cushion ring in the third embodiment.

In the figure: 1-a base; 2-a walling crib; 3, a female cover; 4-a bottom ring; 5-triangular reinforcing ribs; 6-a subshell; 7-sinking a platform; 8-a vertical guide groove; 9-transverse transition groove; 10-a limiting groove; 11-a lug; 12-water leakage holes; 13-water through holes; 14-cross reinforcing ribs; 15-a cushion ring; 16-a boss; 17-positioning the groove; 18-a pressure-bearing plate; 19-a rib; 20-mounting the through hole.

Detailed Description

As shown in fig. 1 to 4, it is a first embodiment of the present invention.

A manhole cover comprising: base 1, walling crib 2 and female lid 3, on the walling crib 2 was located base 1, female lid 3 hinged on walling crib 2, and the difficult dismantlement of female lid 3 plays the theftproof effect. The pressure bearing plate 18 is arranged on the walling crib 2, so that the bearing capacity of the walling crib 2 is improved, and the walling crib is not easy to crush; the bearing plate 18 is provided with the convex ribs 19, so that the structural strength of the surface of the bearing plate 18 is improved, the bearing plate is not easy to deform under pressure, the roughness of the surface of the bearing plate 18 is increased, and the anti-skidding effect is achieved. Be equipped with installation through-hole 20 on the bearing plate 18, be convenient for wear to establish rag bolt, fixed on the spot, improved the convenience of installation.

As shown in fig. 2, a sub-cover 6 is arranged in the walling crib 2, the sub-cover 6 can prevent foreign objects from continuously falling in the inspection to cause secondary damage, the safety is improved, falling of rubbish such as stones and large blocky sundries is prevented, the follow-up cleaning is convenient, and meanwhile, the underground pipeline environment is protected.

As shown in fig. 4, the cross-shaped reinforcing ribs 14 are arranged on the sub-cover 6, so that the structural strength of the sub-cover 6 is improved, the bearing strength of the sub-cover 6 is improved, and the sub-cover is not easy to break under compression and has a long service life.

As shown in fig. 3, a sinking platform 7 is arranged on the inner side of the well ring 2, a vertical guide groove 8, a transverse transition groove 9 and a limiting groove 10 are arranged on the inner wall of the sinking platform 7, the transverse transition groove 9 is communicated with the vertical guide groove 8 and the limiting groove 10, the vertical guide groove 8 is communicated with the top surface of the sinking platform 7, lugs 11 are symmetrically distributed on the sub-cover 6, the lugs 11 slide down along the vertical guide groove 8 and then transversely slide into the transverse transition groove 9, finally enter the limiting groove 10, the lugs 11 cannot freely fall out of the limiting groove 10, the sub-cover 6 is limited in the well ring 2, and the well ring is reliable in installation, simple in disassembly and convenient to replace a bolt fixing mode, labor-saving and convenient; foreign matters fall on the sub-cover 6, the sub-cover 6 is pressed, the lug 11 is more difficult to be upwards separated from the limiting groove 10, and the installation reliability is high.

The female cover 3 is provided with water leakage holes 12 which are beneficial to the surface water to flow downwards and are also convenient for prying open the female cover 3; the sub-cover 6 is evenly distributed with the limber holes 13, which is beneficial to the water to pass through the lower row, and reduces the weight of the sub-cover 6.

As shown in fig. 2, the sinking platform 7 is provided with a damping washer 15, and is fixed by epoxy resin glue, so that the sinking platform is firm and reliable and is not easy to loosen; the female lid 3 is closed the back and is contradicted with cushion ring 15, and cushion ring 15 has cut off female lid 3 and heavy platform 7's direct contact, and cushion ring 15's elastic deformation effectively alleviates female lid 3 to the impact of walling crib 2, can slow down the vibrations that the vehicle rolled female lid 3 production, and then noise reduction.

As shown in fig. 5, the second embodiment of the present invention is provided.

Under the technical scheme based on embodiment one, base 1 is equipped with the mesopore with 2 looks adaptations of walling crib, and 2 threaded connection bases 1 of walling crib replace the welded fastening mode, and the dismouting is convenient, and the damage can be changed alone, connects reliably, convenient to use.

The bottom of base 1 is equipped with foundation ring 4, and the internal diameter of foundation ring 4 is less than base 1's internal diameter, and at the butt joint in-process, when walling crib 2 rotates downwards to conflict with foundation ring 4, guaranteed that base 1 and foundation ring 4 have the biggest area of contact, connect reliably, and foundation ring 4 can block 2 tenesmus of walling crib, has improved walling crib 2's security.

The external diameter of foundation ring 4 is greater than the external diameter of base 1, has increased the area of contact of foundation ring 4 with ground, has improved and has placed the stationarity. A triangular reinforcing rib 5 is arranged between the bottom ring 4 and the outer wall of the base 1, so that the connection strength between the bottom ring 4 and the base 1 is improved.

As shown in fig. 6, the third embodiment of the present invention is shown.

Under the technical scheme based on embodiment one, the bottom of cushion ring 15 is equipped with bellying 16, is equipped with the positioning groove 17 corresponding with bellying 16 on heavy platform 7, realizes the quick installation location of cushion ring 15 on heavy platform 7 on the one hand, has reduced the installation degree of difficulty, and on the other hand has increased the area of contact of cushion ring 15 with heavy platform 7, has improved cushion ring 15's installation fastness.

The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.

Claims

1. A manhole cover comprising:

the manhole ring is arranged on the base, the female cover is hinged on the manhole ring,

the method is characterized in that:

the well ring is internally provided with a sub cover, the inner side of the well ring is provided with a sinking platform, the inner wall of the sinking platform is provided with a vertical guide groove, a transverse transition groove and a limiting groove, the transverse transition groove is communicated with the vertical guide groove and the limiting groove, the vertical guide groove is communicated with the top surface of the sinking platform, lugs are symmetrically distributed on the sub cover, and the lugs sequentially enter the limiting groove from the vertical guide groove and the transverse transition groove to limit the sub cover in the well ring.

2. A manhole cover according to claim 1, wherein: the sinking platform is provided with a damping washer, and the female cover abuts against the damping washer after being closed.

3. A manhole cover according to claim 2, wherein: the bottom of the shock-absorbing washer is provided with a protruding part, and the sinking platform is provided with a positioning groove corresponding to the protruding part.

4. A manhole cover according to claim 1, wherein: and a bearing plate is arranged on the walling crib, and a convex rib is arranged on the bearing plate.

5. The manhole cover according to claim 4, wherein: and the bearing plate is provided with an installation through hole.

6. A manhole cover according to claim 1, wherein: the well ring is in threaded connection with the base.

7. The manhole cover according to claim 6, wherein: the bottom of base is equipped with the foundation ring, the internal diameter of foundation ring is less than the internal diameter of base, so that the foundation ring blocks the walling crib tenesmus.

8. A manhole cover according to claim 7, wherein: the outer diameter of the bottom ring is larger than that of the base, and a triangular reinforcing rib is arranged between the bottom ring and the base.

9. A manhole cover according to claim 1, wherein: the female cover is provided with water leakage holes, and the secondary cover is uniformly provided with water through holes.

10. The manhole cover according to claim 1, wherein: the sub-cover is provided with a cross reinforcing rib.