CN2364095Y - Circular theftproof antisoiling manhole cover device - Google Patents

Abstract

The utility model relates to a circular theft-proof anti-soiling manhole cover device which is mainly composed of a cover plate and a cover seat. The utility model is characterized in that a lock seat with a lock rod is arranged on the cover plate, and the utility model is also provided with an inner fastening convex block. The center of the cover plate is also provided with a lock (hanging) hole and an anti-soiling cover, and a lock hole corresponding to the lock rod is arranged on the cover seat. The utility model is also provided with a convex edge slot corresponding to the inner fastening convex block. The utility model has the advantages of simple structure, easy operation and good theft-proof and anti-soiling properties, and is an underground pipeline maintenance device suitable for city construction.

Description

The antitheft antifouling manhole lid device of a kind of circle

The utility model relates to a kind of antitheft antifouling manhole lid device.

It is as the round manhole cover of the manhole in the professional underground pipeline projects such as cities and towns plumbing, coal gas, communication, by-pass valve control well etc.

Existing manhole lid device is to adopt the circular casting iron well lid of flat lid type mostly, cover plate and cage be separated from each other and sealing poor, very easily stolen and produce and pollute, not only bring economic loss to country, also cause the hidden danger in the people's lives.

The purpose of this utility model is to provide a kind of novel antitheft antifouling manhole lid device, to overcome above-mentioned shortcoming.

The technical solution of the utility model is: adopt casting and welding procedure to make the utility model and make it to have good antitheft antifouling property, this antitheft antifouling manhole lid device mainly is made up of cover plate, cage two parts, it is characterized in that described cover plate 2 is provided with the lock 5 of a bar 4 with lock, the horizontal middle spindle line parallel of locking bar 4 and cover plate 2, buckle projection 3 in also being provided with on the cover plate 2, they are along each apart 90 ° of cover plates, and the center of cover plate 2 also is provided with lock (hanging) hole 11 and antifouling cover 6; Described cage 1 is provided with and locking bar 4 corresponding lockholes 12, also is provided with on the cage 1 and interior button projection 3 corresponding protruding rafter grooves 13, and they are along each apart 90 ° of cages.

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

Fig. 1 is a mounting structure elevation of the present utility model;

Fig. 2 is a mounting structure rear elevation of the present utility model;

Fig. 3 is the B-B sectional view of Fig. 2;

Fig. 4 is Key structure figure;

Fig. 5 is the A-A sectional view of Fig. 4.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, cage 1, cover plate 2, the interior projection 3, locking bar 4, lock 5, antifouling cover 6, cover plate position mark 7, cage position mark 8, herringbone anti-skid stud 9, cover plate buckled give and stay recessed 10, lock (hanging) hole 11, lockhole 12, protruding rafter groove 13, secret post 14, key 15, switch motion indication 16.

Be respectively equipped with position mark 7 and 8 on cover plate 2 and the cage 1, lock 5 links together by screw and cover plate 2, lock (hanging) hole 11 is positioned at the cover plate center, on antifouling cover 6 is arranged, when key 15 when insert in lock (hanging) hole 11 of cover plate 2 central authorities, just engages, if clockwise direction rotates with secret post 14 on the lock 5, make cover plate position mark 7 mark 8 contrapositions with the cage position, then locking bar 4 withdraws from from lockhole 12, and interior button projection 3 breaks away from protruding rafter groove 13, and cover plate is opening, at this moment, but suspension ring double as on the key hangs the instrument of cover plate, if counter rotation makes cover plate position mark 7 and mark 8 dislocation of lid Cuo position, then locking bar 4 enters lockhole 12, simultaneously, interior button projection 3 enters in the protruding rafter groove 13, thereby with cover plate 2 and cage 1 locking, key can withdraw from, above-mentioned locking bar and lockhole respectively have 2, and interior button projection and protruding rafter groove respectively have 4 promptly simultaneously manhole lid device to be locked from 6 points, and whole device has only hole of central authorities, and have antifouling cover to be connected, thereby has good antitheft anti-fouling effect with the hidden discount of well lid plate.

Opening key 15 is the special tools that design according to lock (hanging) hole 11, it has the function of open and close manhole lid device and lifting cover plate concurrently, concrete structure is seen Fig. 4, it has the ring of individual double as handle, it and secret post 14, lock 5 are used, the characteristics of this opening key are to utilize the secret post 14 be positioned at the center fulcrum and the center of circle as the well lid rotation, utilize lever principle locking bar is inserted lockhole or to withdraw from simultaneously, and the interior projection of buckleing of cover plate is screwed in or screw out the protruding rafter groove of cage.

The utlity model has following advantage: simple in structure, be easy to make and operation, good airproof performance, Good antifouling effect locks simultaneously from 6 points, and anti-theft is strong, and suspension ring are arranged on the key, can double as handle, Make whole device loading and unloading more convenient.

Claims (1)

1, the antitheft antifouling manhole lid device of a kind of circle is made up of cover plate, cage two parts, it is characterized in that:

A, described cover plate (2) are provided with the horizontal middle spindle line parallel of lock (5), locking bar (4) and the cover plate (2) of a bar with lock (4), buckle projection (3) in also being provided with on the cover plate (2), they are along each apart 90 ° of cover plates, and the center of cover plate (2) also is provided with lock (hanging) hole (11) and antifouling cover (6).

B, described cage (1) are provided with and the corresponding lockhole of locking bar (4) (12), also are provided with on the cage (1) and the corresponding protruding rafter groove of interior button projection (3) (13), and they are along each apart 90 ° of cages.

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