CN2138679Y - Key capable of indicating locking or unlocking state of a lock - Google Patents

Abstract

The utility model installs a base at the root of a key tooth plate, the base is provided with a pointer, a guide spring plate and a spacer pin, and the corresponding position on a lock body is provided with a boss. When the key is turned for opening the lock, the boss can push the pointer from different directions, so the pointer can generate two different pointing directions, and the on-off status of the lock can be displayed. The utility model overcomes the disadvantages that the key for opening and closing the lock can not display the lock status by turning the key, and the status of the key and the lock can not be corresponding.

Description

Key capable of indicating locking or unlocking state of a lock

The utility model belongs to the building class.

At present exist can't be from judging the open and-shut mode of corresponding lock on the key for the key that opens and closes lock by key turns, the shortcoming that the state of key and lock is not corresponding, often the someone suspects there is not locking again after forgetting locking or locking, and be nervous, fidgety.

The purpose of this utility model is exactly the above-mentioned defective that overcomes present this key, and a kind of key that can show the open and-shut mode of lock is provided.

Main points of the present utility model; be a pedestal to be installed at the tooth plate root of key; pointer is installed on the base plane; one location spring leaf is housed on the pedestal vertical plane; the height of spring leaf make the pointer root must the extrusion spring sheet when the spring leaf just be able to by, can guarantee that like this pointer has two stable states, has two spacer pins on the base plane; these two spacer pins can limit the hunting range of pointer on the one hand, can protect the state of pointer on the other hand.Boss is arranged on lock body, and when key forwarded extreme position to, the boss push pointer made pointer change state.Because it is opposite opening and closing the direction of key turns in the process of lock, so boss is from two opposite directions to the thrust of pointer, and pointer has two different sensings, shows the open and-shut mode of lock.

The utility model can reflect the open and-shut mode of corresponding lock true and reliablely, and manufacturing is very easy, and cost is low, is easy to promote.

Accompanying drawing 1 is a vertical view of the present utility model.2. pedestal among the figure is fixed with rotating pointer on 1., and 3. 2. pointer located by the retainer spring sheet, 4. limits hunting range by spacer pin.

Accompanying drawing 2 is the utility model lateral views.

Accompanying drawing 3 is the utility model pedestal elevations.6. pedestal among the figure has groove on 1., is used for connecting with key body.

Accompanying drawing 4 is work schematic diagrames of the present utility model.7. the boss that 8. lock body is gone up among the figure

Accompanying drawing 5 is three-dimensional assembled view of the present utility model.5. key body among the figure.5. by 6. with 1. connecting.

Claims (2)

1, a kind of energy shows what the key of the open and-shut mode of lock was made up of the boss on key, pedestal and the lock body, pointer, retainer spring sheet, spacer pin etc. are installed on the pedestal, it is characterized in that correspondingly on the final position place of key turns lock body, having boss 7., 1. pedestal goes up the retainer spring sheet 3. at pointer root 2., 4. the both sides of pointer front portion have spacer pin, and pedestal is installed in the root of tooth plate.

2, according to the key of the open and-shut mode that can show lock described in the claim 1, it is characterized in that pointer has only two stable states.

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