Municipal road anti-sinking well lid

Abstract

The utility model discloses a municipal road anti-sinking well lid which comprises a well mouth, a supporting part is arranged above the well mouth, the supporting part is in a circular ring shape, the inner side and the outer side of the supporting part are arranged in an inclined face mode, an inserting groove is formed in the bottom of the supporting part, the top of the well mouth is inserted into the inserting groove, and a well lid ring is arranged above the supporting part. The bottom of the well lid ring is in an inverted circular truncated cone shape and is inserted into the supporting part, a containing groove is formed in the middle of the well lid ring, a through hole is formed in the bottom of the containing groove, and a well lid plate matched with the containing groove is arranged in the containing groove. According to the municipal road anti-sinking well lid, the supporting part is arranged, the supporting part comprises the multiple supporting bases, and every two adjacent supporting bases are connected through the corresponding soft connecting piece. The supporting seat expands outwards under the pressure of the well lid ring and is decomposed into downward pressure and lateral force due to the fact that the inclined plane is stressed, and a well mouth below the supporting seat can be prevented from being crushed.

Description

Technical Field

[0001] The utility model relates to the technical field of manhole covers, in particular to a manhole cover for preventing subsidence on municipal roads. Background Technique

[0002] Manhole cover subsidence refers to the phenomenon that the manhole cover collapses downward after bearing. Manhole covers are usually used to cover the entrances of urban sewers or other underground facilities, so they need to have sufficient strength and stability to withstand various loads and weather conditions. Manhole cover subsidence may be caused by various reasons, including poor material quality, improper construction, long-term load exceeding the design capacity, the influence of underground structures on the foundation structure, etc. Once subsidence occurs, it may affect the safety of traffic and pedestrians, and may also cause damage to other structures, such as pipeline rupture or crack expansion. Content of the Utility Model

[0003] The purpose of the utility model is to provide a manhole cover for preventing subsidence on municipal roads to solve the problem of manhole cover subsidence mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: A manhole cover for preventing subsidence on municipal roads, including a wellhead, a support part is arranged above the wellhead, the support part is in a circular ring shape, and both the inner and outer rings are arranged in an inclined plane, a slot is arranged at the bottom of the support part, the top of the wellhead is inserted into the slot, a manhole cover ring is arranged above the support part, the bottom of the manhole cover ring is arranged in an inverted frustum shape and is inserted into the support part, a placement groove is arranged in the middle of the manhole cover ring, a through hole is opened at the bottom of the placement groove, and a well cover plate matching with the placement groove is arranged in the placement groove;

[0005] The support part includes a plurality of support seats, and adjacent two support seats are connected by a soft connecting piece.

[0006] Preferably, the wellhead is built at the bottom of the foundation pit, and filling concrete is arranged between the outside of the wellhead and the bottom of the manhole cover ring.

[0007] Preferably, the periphery of the support part and the manhole cover ring is filled with concrete.

[0008] Preferably, a threaded hole is opened at the bottom of the placement groove, and a countersunk threaded hole is correspondingly arranged at the top of the well cover plate.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] For the manhole cover for preventing subsidence on municipal roads of the utility model, by arranging the support part, the support part includes a plurality of support seats, and adjacent two support seats are connected by a soft connecting piece. When the support seats are subjected to the pressure of the manhole cover ring, they will expand outwards, and due to the inclined plane force, it will be decomposed into downward pressure and lateral force, which can prevent the wellhead below from being damaged. Description of the Drawings

[0011] Figure 1 This is the overall disassembly diagram of the utility model;

[0012] Figure 2 is Figure 1 the sectional view of.

[0013] In the figure: 1, wellhead; 2, support base; 3, flexible connector; 4, manhole cover ring; 5, placement groove; 6, manhole cover plate; 7, slot; 8, through hole. Specific implementation manner

[0014] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figure 1-2 , a municipal road anti-settlement manhole cover, including a wellhead 1, a support part is arranged above the wellhead 1, the support part is circular ring-shaped, and both the inner and outer rings are inclined surfaces, a slot 7 is arranged at the bottom of the support part, the top of the wellhead 1 is inserted into the slot 7, a manhole cover ring 4 is arranged above the support part, the bottom of the manhole cover ring 4 is arranged in an inverted frustum shape and is inserted into the support part, a placement groove 5 is arranged in the middle of the manhole cover ring 4, a through hole 8 is opened at the bottom of the placement groove 5, and a matching manhole cover plate 6 is arranged in the placement groove 5;

[0016] The support part includes a plurality of support seats 2, and adjacent two support seats 2 are connected by a flexible connector 3. When the support seat 2 is subjected to the pressure of the manhole cover ring 4, it will expand outwards, and due to the inclined surface force, it will be decomposed into a downward pressure and a lateral force, which can prevent the wellhead 1 below from being damaged.

[0017] Further, the wellhead 1 is built at the bottom of the foundation pit, and filling concrete is provided between the outside of the wellhead 1 and the bottom of the manhole cover ring 4. It can share the pressure of the manhole cover ring 4.

[0018] The support part and the periphery of the manhole cover ring 4 are filled with concrete. A part of the pressure of the manhole cover ring 4 on the support part is decomposed into a lateral thrust and is supported by the concrete around the support part.

[0019] Threaded holes are opened at the bottom of the placement groove 5, and countersunk threaded holes are correspondingly arranged at the top of the manhole cover plate 6. This setting can well fix the manhole cover plate 6 and prevent the manhole cover plate 6 from jumping up.

[0020] Working principle: For a municipal road anti-sinking manhole cover of the present utility model, during use, first dig a foundation pit on the ground. The wellhead 1 is built at the bottom of the foundation pit, the supporting part is sleeved on the top of the wellhead 1, and filling concrete is provided between the outside of the wellhead 1 and the bottom of the manhole cover ring 4. It can share the pressure of the manhole cover ring 4. When the support base 2 receives the pressure of the manhole cover ring 4, it will expand outwards. And due to the inclined plane force, it will be decomposed into downward pressure and lateral force, thereby reducing the pressure on the wellhead 1 and preventing the wellhead 1 from being damaged.

[0021] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A municipal road anti-sinking manhole cover, comprising a wellhead (1), characterized in that: A support part is arranged above the wellhead (1). The support part is in a circular ring shape, and both the inner and outer rings are inclined surfaces. A slot (7) is arranged at the bottom of the support part, and the top of the wellhead (1) is inserted into the slot (7). A manhole cover ring (4) is arranged above the support part. The bottom of the manhole cover ring (4) is arranged in an inverted frustum shape and is inserted into the support part. A placement groove (5) is arranged in the middle of the manhole cover ring (4), and a through hole (8) is opened at the bottom of the placement groove (5). A manhole cover plate (6) that matches is arranged in the placement groove (5); The support part includes a plurality of support seats (2), and adjacent two support seats (2) are connected by a flexible connecting piece (3).

2. The anti-sinking manhole cover for municipal roads according to claim 1, wherein: The wellhead (1) is built at the bottom of the foundation pit, and filling concrete is provided between the outside of the wellhead (1) and the bottom of the manhole cover ring (4).

3. The anti-sinking manhole cover for municipal roads according to claim 1, characterized in that: Concrete is filled around the support part and the manhole cover ring (4).

4. A municipal road anti-sinking manhole cover according to claim 1, characterized in that: Threaded holes are opened at the bottom of the placement groove (5), and countersunk threaded holes are correspondingly arranged at the top of the manhole cover plate (6).

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