CN201546241U

CN201546241U - Manhole cover

Info

Publication number: CN201546241U
Application number: CN2009202635901U
Authority: CN
Inventors: 凌达伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-11-30
Filing date: 2009-11-30
Publication date: 2010-08-11
Anticipated expiration: 2019-11-30

Abstract

The utility model discloses a manhole cover, which comprises a supporting base and a cover body. A safety protection cover is arranged between the supporting base and the cover body, a groove is arranged on an inner peripheral surface of the supporting base and provided with a fixing base having a notch, the safety protection cover is screen-shaped, a small convex tip is arranged on an outer peripheral surface of the safety protection cover, and the safety protection cover is clamped on the fixing base through engagement of the small convex tip and the notch. The manhole cover can perform secondary safety protection after the cover body is lost or damaged, can bear pressure over 100 kilos, and ensures safety of passengers and vehicles.

Description

Manhole cover

Technical field

The utility model relates to a kind of manhole cover, particularly a kind of manhole cover that can carry out two road security protections.

Background technology

At present, the pipe network 90% of domestic city infrastructure all is embedded in below the road basis, and for ease of the pipe network facilities maintenance, tap water well, heating wells, telecommunications well etc. are all wanted segmentation setting manhole separately.And general manhole cover all is made up of bearing and lid, and having made of ironly also has glass-fiber reinforcedly, and the easy stolen formation of iron manhole cover " city trap " causes vehicles or pedestrians to fall in the well; Glass-fiber reinforced manhole is then washed open by anti-flood when water logging easily, and also has frangible problem to exist.

The utility model content

The purpose of this utility model be to provide a kind of lid lose or damage after can carry out two road security protections and can bear the manhole cover of pressure.

For achieving the above object, the utility model has adopted following technical scheme:

A kind of manhole cover, comprise bearing and lid, between bearing and lid, be provided with the security protection lid, described bearing inner peripheral surface is provided with groove, groove is provided with the holder that contains breach, described security protection lid is netted and is provided with the little protruding tip on outer peripheral face, is stuck on the holder by making the little protruding tip and cooperating of breach the security protection lid.

Described bearing, lid and security protection lid are made by resin composite materials.

The utlity model has following beneficial effect:

(1) after lid is lost or damaged,, can utilize it to carry out two road security protections, guarantee pedestrains safety, and can bear more than 100 kilogram pressure because the security protection lid is netted;

(2) during flood season,,,, the security protection lid therefore can not be flushed away as after anti-flood occurring lid being washed away in low-lying and location that water logging often occurs because being fixed on the bearing by the little protruding tip, thereby reach the effect of two road security protections, the vehicles or pedestrians of dealing can not fallen in the well.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the structural representation of bearing of the present utility model;

Fig. 3 is the structural representation of security protection lid of the present utility model.

Wherein: 1-bearing, 2-lid, 3-security protection lid, 4-groove, 5-breach, 6-holder, the little protruding tip of 7-.

The specific embodiment

As Fig. 1, Fig. 2, shown in Figure 3, a kind of manhole cover, comprise bearing 1 and lid 2, between bearing 1 and lid 2, be provided with security protection lid 3, described bearing 1 inner peripheral surface is provided with groove 4, groove 4 is provided with the holder 6 that contains breach 5, and described security protection lid 3 is netted and is provided with the little protruding tip 7 on outer peripheral face, is stuck on the holder 6 with making security protection lid 3 cooperating of breach 5 by the little protruding tip 7.

During use, behind the breach 5 on four the little protruding tip 5 secured in alignment seats 4 of security protection lid 3, be fixed on the bearing 1, again lid 1 covered at last, thereby reach the effect of two road security protections, guaranteed pedestrian and vehicle safety by reversing certain angle clockwise.

Claims

1. manhole cover, comprise bearing (1) and lid (2), it is characterized in that: between bearing (1) and lid (2), be provided with security protection lid (3), described bearing (1) inner peripheral surface is provided with groove (4), groove (4) is provided with the holder (6) that contains breach (5), described security protection lid (3) is netted and is provided with the little protruding tip (7) on outer peripheral face, is stuck on the holder (6) by making the little protruding tip (7) and cooperating of breach (5) security protection lid (3).

2. manhole cover according to claim 1 is characterized in that: described bearing (1), lid (2) and security protection lid (3) are made by resin composite materials.