CN2469122Y - Ground manhole lock - Google Patents

Abstract

The utility model relates to a ground well lock for theft proof, which belongs to lock class for special purpose. The ground well lock mainly comprises a lock body, a lock tongue, and a key. The lock body is provided with a lock hole and a keyhole, the lock tongue is arranged in the lock hole of the lock body, the front end of the lock tongue is fixed with a magnet block, a lock bar at the rear end is provided with screw thread. The keyhole is perpendicular to the lock hole, and the keyhole is connected with the lock hole at the lock bar which is at the rear end of the lock hole. The key is provided with the screw thread which matches with the screw thread of the lock bar at the rear end of the lock tongue. The utility model has the advantages of reasonable structure, theft proof, and insurance.

Description

Manhole lock

The utility model relates to a kind of antitheft Manhole lock that is used for, and belongs to the lock class of specific use.

At present, in the road on both sides of the road or other place, the face of land need usually be provided with drain cap, Cover for manhole and other various ground well lid because of urban construction, to satisfy needs such as draining or other underground utilities maintenances.Yet some lawless person often steals drain cap, Cover for manhole or ground well lid for satisfying individual purpose or needs, make these trenches, ground well become " trap ", not only destroy cities and towns and rural environmental beauty, but also entail dangers to causes bad societal consequence to the person and property safety.

The purpose of this utility model is a kind of Manhole lock of design, and it is rational in infrastructure, can prevent losing of the various lids in ground, the safe civil order of safeguarding stability.

The designed Manhole lock of the utility model mainly is made of lock body, dead bolt and key, have lockhole and keyhole on the lock body, dead bolt is installed in the lockhole of lock body, the front end of dead bolt is fixed with magnet piece, be threaded on the locking bar of its rear end, keyhole is perpendicular to lockhole, and is positioned at the locking bar place at lockhole rear portion, keyhole is linked up mutually with lockhole, has the screw thread with the locking bar threads engaged at dead bolt rear portion on the key.

The lock body of the Manhole lock that the utility model is designed is the lock body of non-ferroic material.

The lock body of the Manhole lock that the utility model is designed, dead bolt and key are rust stable lock body, dead bolt and key.

The designed Manhole lock of the utility model is when using, lock can be installed on the inboard of facilities such as well lid, Cover for manhole, at the fixing lock dog that matches with dead bolt in the edge of ground well relative or trench with the dead bolt front end, pass through key, dead bolt is moved, with the lock dog adhesive, after the key taking-up, well lid or Cover for manhole are lockable, and can not start or open; And need open well lid or Cover for manhole when needing repairing or fixing a breakdown the time, insert the key counter-rotating from keyhole, and make the disengaging of dead bolt front end and lock dog, return in the lock body, well lid or Cover for manhole can be opened.

The advantage of the Manhole lock that the utility model is designed is:

1. rational in infrastructure, be easy to install;

2. compliance is strong, can under adverse circumstances such as humidity, corrosive gas, dust, use, and non-corroding;

3. burglary insurance helps safeguarding environment and personal safety.

The designed Manhole lock of the utility model mainly is applicable to the facility that install on the face of land, as ground well lid, Cover for manhole etc., also can be used for others.

Fig. 1 is the structural representation of the designed Manhole lock of the utility model.

Fig. 2 is a lock body structure schematic diagram among Fig. 1.

Fig. 3 is the assembly structure figure of Fig. 1.

In conjunction with specific embodiments the structure and the embodiment of the designed Manhole lock of the utility model is further described with reference to the accompanying drawings below.

Embodiment

Manhole lock shown in Fig. 1,3, mainly form by lock body 1, dead bolt 2 and key 3, lock body 1 as shown in Figure 2, made by aluminium, have lockhole 4 and keyhole 5 on it, dead bolt 2 is installed in the lockhole 4, its front end is installed with magnet piece 6, be threaded 7 on the locking bar of its rear end, and keyhole 5 is perpendicular with lockhole 4, and keyhole 5 is linked up mutually with lockhole 4.The end of key 3 is threaded 8, is used for matching with screw thread 7 on the locking bar, and dead bolt 2 and key 3 are made by the rust resistance material.

This Manhole lock mainly is installed in the face of land facilities such as ground well lid, Cover for manhole, and it is installed on and covers on 9, and as shown in Figure 3, the locking bar that the rotation by key 3 can drive dead bolt 2 rear ends moves forward and backward, and is used for locking or opens this lock.When face of land facilities such as local well lid or Cover for manhole seal for a long time, can pin by lock, the magnet piece 6 by dead bolt 2 front ends be fixed in face of land facility and relative lock dog phase adhesive with it, make well lid or Cover for manhole can not arbitrarily move or open.And in the time need opening well lid, then will lock unlatching by key 3, and making the magnet piece 6 of dead bolt 2 front ends and relative lock dog disengaging, dead bolt 2 retreats in the lock body 1, well lid could be removed.Can prevent effectively that thus face of land facility is stolen, stolen, safeguards social safety.

Claims (3)

1. Manhole lock, mainly constitute by lock body, dead bolt and key, have lockhole and keyhole on the lock body, dead bolt is installed in the lockhole of lock body, it is characterized in that: the front end of dead bolt is fixed with magnet piece, is threaded on the locking bar of its rear end, keyhole is perpendicular to lockhole, and be positioned at the locking bar place at lockhole rear portion, keyhole is linked up mutually with lockhole, has the screw thread with the locking bar threads engaged at dead bolt rear portion on the key.

2. Manhole lock according to claim 1, its feature also is: lock body is the lock body of non-ferroic material.

3. Manhole lock according to claim 1, its feature also is: lock body, dead bolt and key are rust stable lock body, dead bolt and key.

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