CN2143635Y

CN2143635Y - Anti-theft cover for manhole

Info

Publication number: CN2143635Y
Application number: CN 93207086
Authority: CN
Inventors: 张德仲
Original assignee: 付长明
Priority date: 1993-03-26
Filing date: 1993-03-26
Publication date: 1993-10-13
Anticipated expiration: 2003-03-26

Abstract

The utility model discloses an anti-stealing well cover for water supply repairing wells, launch repairing wells and the repairing wells of communication pipe paths (lines). The anti-stealing well cover is that a well cover which is usually used and can be separated is connected with a well seat by a pin shaft or an iron chain to form movable connection. The anti-stealing well cover not only can be conveniently opened, but also has anti-stealing function.

Description

Anti-theft cover for manhole

The utility model relates to a kind of well lid structure that is used for city construction engineering Shang Shui, following water communication pipe (line) road maintenance well, especially has anti-theft feature.

At present, normally used well lid structure is detachable, this structure, and well lid does not have with the well seat and connects, and well lid is easy to be removed, and in recent years, the stolen phenomenon of well lid was very serious, and this not only causes damage to national wealth, even causes serious accident.

The purpose of this utility model provides a kind of well lid, and it both can be opened easily, has anti-theft feature simultaneously again.

The purpose of this utility model is to realize like this, make well lid form movable the connection by connector with the well seat, though can opening easily, can not separate fully well lid with the well seat, thereby has an anti-theft feature, movable draw bail has following three kinds of embodiments, and scheme one is to connect with iron chains, and iron chains one end connects with rivet with well lid, the other end is associated on the well seat and is embedded in underground, and the method for opening the well seat is identical with the deployment method of common well lid.

Scheme two is to connect with the bearing pin that vertical is placed, vertical is got through the hole in the same position upper edge of well lid and well seat, it wherein on the well seat shoulder hole, bearing pin penetrates in the hole from the top down, and the upper end of bearing pin has cheese head screw and emits, and there is screw thread the lower end, so that fastening nut prevents that bearing pin from being transferred to, as long as the well lid vertical is upwards mentioned suitable height, around bearing pin Rotate 180 °, well lid promptly is opened again.

Scheme three is the bearing pin connections with horizontal positioned, well lid radially protrudes one beats lateral aperture in two sides, the well seat is recessed in the relevant position, the flat through hole of fetching water in two sides, penetrate the hole from well seat outside with two bearing pins, the bearing pin outer end is embedded in underground, with upwards upset of well lid, well lid can be opened, and flip angle is greater than 120 °.

Owing to adopted such scheme, both can open well lid easily, guaranteed that again well lid not exclusively separates with the well seat, reach antitheft purpose, this mechanical attachment is simple in structure, and is easy to use, reliable.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the longitudinal sectional drawing of first kind of embodiment of anti-stealing manhole cover.

Fig. 2 is the longitudinal sectional drawing of second kind of embodiment of anti-stealing manhole cover.

Fig. 3 is the horizontal part sectioned view of the third embodiment of anti-stealing manhole cover.

1 is the well seat in the drawings, the 2nd, and well lid, the 3rd, rivet, the 4th, iron chains, the 5th, cottor pin, the 6th, the bearing pin that vertical is placed, the 7th, locking nut, the 8th, the bearing pin of horizontal positioned.

In Fig. 1, iron chains (4) one ends are connected on the well lid (2) with rivet (3), and the other end is connected on the well seat (1) with cottor pin (5).

In Fig. 2, well lid (2) covers on well seat (1), and the hole is aligned, and bearing pin (6) penetrates in the hole, and locking nut (7) is screwed in the lower end of bearing pin.

In Fig. 3, well lid (2) covers on well seat (1), penetrates the hole from both sides respectively with two bearing pins (8), and bearing pin length grows part and bends down, and be embedded in ground greater than the degree of depth in hole.

Claims

1, a kind of anti-stealing manhole cover adds connector between well lid and well seat, it is characterized in that well lid connects with iron chains with the well seat; Well lid connects with the bearing pin that the well seat is placed with vertical; Well lid connects with the bearing pin of well seat with horizontal positioned.