CN2528803Y - Self-lock manhole cover with anti-theft and anti-mouse device - Google Patents

Abstract

The utility model relates to a self-lock manhole cover with anti-theft and anti-mouse device. The utility model pertains to an improved manhole cover, in particular to a manhole cover with anti-theft and anti-mouse functions. The utility model aims at providing a self-lock manhole cover with anti-theft and anti-mouse device to contribute to ideological progress of modern cities and benefit safety of human life and properties. The utility model is characterized in a special anti-theft lock and an accessory key arranged below a common manhole cover, a rat guard arranged on an inner surface, and a cover outer ring movably embedded on periphery of a manhole cover body. The utility model provides a practical public benefit product, and has the advantages of convenient use, simple operation, safety and reliability. A special key can be utilized to unlock the lock and lift the manhole cover. The anti-theft lock has concealment and high strength and can guard against thief. A rat guard special device added can prevent mouse from climbing and destroying electrical wire and cable, and the lock mounted on a thickened opening improves rigidity and bearing capacity of the manhole.

Description

Antitheft protection against rodents self-lock manhole cover

Technical field

The utility model belongs to improved road Sewage well cover.Particularly a kind of well lid that antitheft protection against rodents effect is arranged.

Background technology

The avenue Sewage well cover mostly is common casting iron well lid at present, has lid, and many drainage channels are arranged on lid, at the lid inner surface reinforcing rib is arranged; Industrial and mining enterprises' Sewage well cover also is like this.Easily stolen, the rapid wear of this class Sewage well cover, cause very big hidden danger to urban traffic safety, stolen or the damage back formation road black hole of well lid, be the traffic killer, people or vehicle are very easily dropped in the black hole, bring very big misery and loss for people's lives and properties, caused a lot of domestic tragedies, cause factor leading to social instability to society.Simultaneously, well lid is stolen returns a plurality of departments such as city municipal administration and causes the manpower and materials loss, brings task complexity.Have, when mouse creeps into sewer when stinging bad electric wire by well lid, the loss that brings to city and industrial and mining enterprises is bigger again.

Summary of the invention

The purpose of this utility model is to provide a kind of antitheft protection against rodents self-lock manhole cover, and merit is at the modern city civilization construction, and is sharp at life property safety of people.The utility model is achieved through the following channels, it has lid 1, many drainage channels 4 are arranged on lid 1, at lid 1 inner surface reinforcing rib 3 is arranged, it is characterized in that below lid 1, being equipped with lock 5, this lock 5 includes lock core 6, locking bar 7, and annex key 8, at lock core 6 inner faces ratguard 9 is housed; In the lid 1 peripheral lid outer ring 2 that also has setting-in movable with it.The utility model is a kind of practical public product, and it is easy to use, and is simple to operate, safe and reliable.The well lid below is equipped with the theftproof lock of being convenient to operate, and can open lock with special key, can promote well lid again.Theftproof lock has disguise and high strength, can be antitheft, and the ratguard special device of increase can prevent that mouse from climbing into the destruction electric wire.Through hole place thickening dress lock is strengthened the rigidity of well lid, strengthens weight capacity.

Description of drawings

Fig. 1-Fig. 3 is a structural representation of the present utility model; Wherein Fig. 1 is a front view, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the upward view of Fig. 1.

Fig. 4 is the structural representation of lock 5.

Fig. 5 is the structural representation of annex key 8.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail:

As Fig. 1-Fig. 5, the utility model production plain edition as required anti-stealing manhole cover uses grey cast-iron; The bearing type anti-stealing manhole cover uses ductile iron; Protection against rodents anti-theft type well lid is used for electric industry, communication section.When installing and using, the utility model lid outer ring 2 is fixed on the sewer well head along last, and lid 1 activity is inlaid in covers on the outer ring 2.During locking, along direction of arrow rotational lock core 6, locking bar 7 promptly stretches out to be stuck in and covers on the outer ring 2 with key 8; When unblanking, open lock core 6 with key 8, locking bar 7 is promptly withdrawn, and can utilize special key 8 to mention lid 1.The ratguard 9 that lock core 6 inner faces are equipped with stops mouse to enter in the well lid.

Claims (1)

1. antitheft protection against rodents self-lock manhole cover, has lid (1), many drainage channels (4) are arranged on lid (1), at lid (1) inner surface reinforcing rib (3) is arranged, it is characterized in that lock (5) being housed in lid (1) below, this lock (5) includes lock core (6), locking bar (7), and annex key (8), at lock core (6) inner face ratguard (9) is housed; In the peripheral lid outer ring (2) that also has setting-in movable of lid (1) with it.

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