CN2464781Y - Manhole cover - Google Patents

Abstract

The utility model relates to a manhole cover, which comprises a cover plate a well seat and a shaft which is crank shaft. Both ends of the shaft are respectively hinged on the well seat, and the middle section of the shaft is penetrated and sheathed in a slide slot formed at the root part of the cover plate. Meanwhile, the middle section of the shaft and the slide slot form slippage and articulated match. The utility model overcomes the defects a general manhole cover is erected on a road in an open state, which not only influences maintainers' up-down operation, but also has accident incipient faults. The utility model has the advantages of simple structure and convenient opening and closure, and meanwhile, has definite anti-theft effect.

Description

The inspection shaft lid

The utility model relates to a kind of inspection shaft lid.

Existing various inspection shaft lid, all constitute by cover plate and well seat, cover plate directly is sealed on the last bank of well seat, there is no other anti theft design it is carried out antitheft processing, therefore, on each bar road, all be not difficult to find the stolen phenomenon of cover plate, not only cause enormous economic loss, very easily occur the accident of person wound simultaneously to country.The someone has designed a kind of anti-theft type inspection shaft lid for this reason, it is connected with the well seat cover plate by hinge, though theftproof performance has certain enhancing, its cover plate when opening can stand upright on the road, the operation up and down that influences the maintenance personal not only not attractive in appearance, and have accident potential equally.

The purpose of this utility model is the above-mentioned defective that overcomes prior art, thereby provides a kind of simple in structure, can be tiled in ground inspection shaft lid when opening.

The utility model comprises cover plate, well seat and axle, it is characterized in that axle is bent axle, and two ends are hinged on respectively on the well seat, and the stage casing of axle is set in the chute of cover plate root formation, and forms slippage and hinged the cooperation with chute simultaneously.

Below in conjunction with drawings and Examples detailed content of the present utility model is described.

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

Fig. 2 is A-A sectional view of Fig. 1;

The utility model comprises cover plate 1 as shown in the figure, well seat 2 and axle 3, and axle 3 is a bent axle, and two ends are hinged on respectively on the well seat 2, and the stage casing of axle 3 is set in the chute 4 of cover plate 1 root formation, and forms slippage and hinged the cooperation with chute 4 simultaneously.When uncapping, the chute 4 of cover plate 1 slides and rotation along the stage casing of bent axle 3, and during to certain angle, rotate in the well seat at the two ends of bent axle 3, makes cover plate 1, can tile on the ground.

The utility model is by above-mentioned specific design, has simple in structurely, and it is convenient to open and close, and opens The time do not affect the up and down advantage of the maintenance operation of inspection shaft of personnel, have simultaneously certain antitheft effect concurrently Really.

Claims (1)

1, a kind of inspection shaft lid comprises cover plate, well seat and axle, it is characterized in that: axle (3) is a bent axle, two ends are hinged on respectively on the well seat (2), and the stage casing of axle (3) is set in the chute (4) of cover plate (1) root formation, and while and chute (4) formation slippage and hinged the cooperation.

Images