CN2235987Y

CN2235987Y - Underground cover with lock for manhole

Info

Publication number: CN2235987Y
Application number: CN 95232454
Authority: CN
Inventors: 杨松楠
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-10-13
Filing date: 1995-10-13
Publication date: 1996-09-25
Anticipated expiration: 2005-10-13

Abstract

The utility model relates to an underground manhole cover with a lock, comprising a base. A manhole cover is arranged on the supporting table of the base. The underground manhole cover with a lock is characterized in that one side of the manhole cover is provided with a hook, and the other side is provided with the lock which comprises a lock body and a key; one side of a lingual plate on the shaft of the lock body is provided with a lock tongue, and the other side is provided with lock teeth; teasing teeth are arranged on the key corresponding to the lock teeth; a shaft hole and a key perforation are respectively arranged on the manhole cover corresponding to the lingual plate of the key; the top part of the key is provided with a handle. The utility model has the advantages of nice protective performance, simple structure, etc.

Description

Missile silo lid arrangement with lock

The utility model relates to the improvement of underground well lid structure.

The manhole lid device of existing heat supply network well, catch pit, telecommunications well, gasser etc. does not all have protectors such as lockset, and therefore have following major defect: people can arbitrarily open well lid and enter in the pipeline, have influenced normal maintenance work; Be for thief provides opportunity again, cause well lid to lose in a large number, seriously threatened traffic, personal safety.

The purpose of this utility model is exactly at the problems referred to above, and a kind of have fine protective, suitable missile silo lid arrangement simple in structure are provided.

The purpose of this utility model is achieved in that the utility model comprises base, has well lid on the boss of base, its structural feature is that a side of well lid has hook, the opposite side of well lid has lock, and lock comprises lock body, key, and a side of the hyoplastron on the axle of lock body is a dead bolt, the opposite side of hyoplastron is the lock tooth, corresponding to the lock tooth have moving tooth on the key, corresponding to having axis hole, key perforation respectively on the hyoplastron of key, the well lid, the top of key is a handle.

Major advantage of the present utility model:

1, have protective well:

The utlity model has locking device, just can prevent effectively that keyless people from uncapping or steal lid, guarantee not losing and traffic, personal safety of well lid;

2, simple in structure, suitable:

The utility model is exactly on the architecture basics of existing well lid, and only additional have hook, locking device, simple in structure, is easy to processing and fabricating.

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

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

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

Below in conjunction with accompanying drawing concrete structure of the present utility model is described further:

The utility model comprises base 1, has well lid 2 on the boss 8 of base 1, one side of well lid 2 has hook 7, the opposite side of well lid 2 has lock 12, and lock 12 comprises lock body 15, key 5, and a side of the hyoplastron 14 on the axle 13 of lock body 15 is a dead bolt 16, the opposite side of hyoplastron 14 is lock tooth 11, have moving tooth 10 on the key 5 corresponding to lock tooth 11, corresponding to having axis hole 6, key perforation 3 on the hyoplastron 14 of key 5, the well lid 2 respectively, the top of key 5 is a handle 4.

For making things convenient for the stable unlatching of this lock, the bottom of moving tooth 10 is provided with pillow block 9.

Lock tooth 11 can be the umbrella profile of tooth.

Lock body 15 can be fixed in lock body 15 on the well lid 2 by connecting hole 17.

During use, at first well lid 2 is placed on the base 1, hook 7 is positioned at the below of boss 8, key 5 places on the axis hole 6 turning handle 4 by key perforation 3, make moving tooth 10 rotations thereupon of lock tooth 11, place boss 8 belows to get final product up to dead bolt 16, this moment, well lid 2 just was locked on the base 1; When needs are opened well lid 2, key 5 by key perforation 3, is repeated above-mentioned action, make dead bolt 16 leave boss 8 belows and get final product.

Claims

1, the missile silo lid arrangement with lock comprises on the boss 8 of base 1, base 1 having well lid 2, a side that it is characterized in that well lid 2 has hook 7, the opposite side of well lid 2 has lock 12, lock 12 comprises lock body 15, key 6, one side of the hyoplastron 14 on the axle 13 of lock body 15 is a dead bolt 16, and the opposite side of hyoplastron 14 has moving tooth 10 for lock tooth 11 on the key 5 corresponding to lock tooth 11, corresponding to having axis hole 6, key perforation 3 on the hyoplastron 14 of key 5, the well lid 2 respectively, the top of key 5 is a handle 4.

2, the missile silo lid arrangement with lock according to claim 1 is characterized in that locking tooth 11 and is umbrella shape.

3, the missile silo lid arrangement with lock according to claim 1 is characterized in that the bottom of moving tooth 10 is provided with pillow block 9.