CN201687297U - double safety lock - Google Patents

Abstract

The utility model discloses a double-safety lock, which comprises a fixed lock, wherein the outer end of the fixed lock is provided with a lock cover, the lock cover is tightly locked with a corresponding lock catch, and the fixed lock is locked at the inner side of the lock cover; the outer end of the lock body of the fixed lock is tightly screwed with a movable lock cover, the lock cover is buckled with a lock catch arranged at the corresponding position of the fixed lock, and the lock catch is provided with a padlock; the outer end of the lock body of the fixed lock is provided with an enclosing fixed lock plate, the bottom end of the fixed lock plate is tightly connected with the door body, one side of the fixed lock plate is connected with the lock cover in a switching mode, the lock cover is tightly buckled with the fixed lock plate, and the lock cover is provided with a padlock. The utility model discloses simple structure, simple to operate can promote the theftproof performance of current burglary-resisting door, increases the crime degree of difficulty of thief, prolongs its crime time, increases its psychological panic degree, has very strong deterrence to avoid householder's loss, protect householder's life and property safety.

Description

double safety lock

technical field

The utility model relates to a lockset, in particular to a double safety lock with high safety performance and better anti-theft effect.

Background technique

With the changes of the times and the development of science and technology, the existing family gates generally use anti-theft doors and anti-theft lock devices for home anti-theft. Generally speaking, anti-theft doors and anti-theft locks are relatively safe, but for professional thieves, other The means of committing crimes are also constantly improving. It is relatively easy to open the general anti-theft lock from the violent type to the technical type. Therefore, it is necessary to improve the anti-theft lock. If a layer of insurance can be added to the existing anti-theft lock Lock, improve the difficulty of committing crimes for thieves, prolong the time of committing crimes, increase their chances of being exposed and falling into the legal net, and will further help to improve the anti-theft performance of home anti-theft devices.

Utility model content

The purpose of the utility model is to overcome the above-mentioned defects of the prior art and provide a double safety lock with good security and good anti-theft effect.

In order to achieve the above purpose, the technical solution provided by the utility model is as follows: construct a double safety lock, including a fixed lock, which is characterized in that: the outer end of the fixed lock is provided with a lock cover, and the lock cover is connected with the corresponding lock Fastened and locked tightly, the fixed lock is locked on the inside of the lock cover, which improves the comprehensive anti-theft performance.

The outer end of the lock of the fixed lock is tightly screwed with a movable lock cover, and the lock cover is fastened with the lock catch provided at the corresponding place of the fixed lock. The buckle is provided with a padlock, which increases the need for thieves to unlock and pick the lock. difficulty.

The outer end of the lock of the fixed lock is provided with a surrounding fixed lock plate, the bottom end of the fixed lock plate is closely connected with the door body, one side of the fixed lock plate is connected to the lock cover, and the lock cover is connected to the fixed lock The boards are tightly buckled, and the buckled is provided with a padlock.

The utility model has the advantages of simple structure and convenient installation, which can improve the anti-theft performance of the existing anti-theft door, increase the difficulty of committing crimes for thieves, prolong the time of committing crimes, increase their chances of being exposed and fall into the legal net, and will be more helpful Improving the anti-theft performance of the anti-theft lock has a strong deterrent effect, thereby avoiding the loss of the head of the household, protecting the life and property safety of the head of the household, and at the same time playing a positive role in consolidating and developing social harmony and stability.

Description of drawings

Below in conjunction with the accompanying drawings and preferred embodiments, the specific technical solutions of the double safety lock described in the utility model will be further described.

Fig. 1 is the perspective view of the first embodiment of the utility model;

Fig. 2 is the front view of the first embodiment of the utility model;

Fig. 3 is a schematic cross-sectional view of the first embodiment of the utility model;

Fig. 4 is the perspective view of the second embodiment of the utility model;

Fig. 5 is a front view of the second embodiment of the utility model in an open state;

Fig. 6 is a front view of the locked state of the second embodiment of the present invention;

Fig. 7 is a sectional view along A-A of Fig. 6 .

Detailed ways

Referring to the first embodiment of the double safety lock shown in Figures 1 to 3, it includes a fixed lock 1, and the outer end of the fixed lock is provided with a lock cover 2, and the lock cover is tightly locked with the corresponding lock catch 3, The fixed lock 1 is locked inside the lock cover 2 .

The lock outer end of the fixed lock 1 is tightly screwed with a movable lock cover 2, and the movable lock cover 2 is fastened with a buckle 3 arranged at a position corresponding to the fixed lock, and a padlock 5 is provided on the fastened connection.

Referring to the second embodiment of the double safety lock shown in Figures 4 to 7, the outer end of the fixed lock 1 is provided with a surrounding fixed lock plate 4, and the bottom end of the fixed lock plate 4 is connected to the door body 7 Tightly connected, one side of the fixed lock plate 4 is transferred to the lock cover 2, and the lock cover 2 is tightly buckled with the fixed lock plate 4, and the buckle is provided with a padlock 5.

What has been described above is only the principle and preferred embodiments of the present utility model. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the principle of the utility model, which should also be regarded as belonging to the protection scope of the utility model.

Claims (3)

1. double insurance lock comprises pin, and it is characterized in that: described pin outer end is provided with locking closure, described locking closure and the tight interlocking of corresponding snap close, described pin by interlocking in the locking closure inboard.

2. double insurance lock according to claim 1, it is characterized in that: the lock body outer end of described pin closely is bolted with movable locking closure, described locking closure and the snap close snapping that is arranged on the corresponding part of pin, this snapping is provided with padlock.

3. double insurance lock according to claim 1, it is characterized in that: the lock body outer end of described pin is provided with fixedly jam plate of encirclement formula, the bottom of described fixedly jam plate closely is connected with the door body, a fixedly side of jam plate and locking closure switching, described locking closure and the fixing tight snapping of jam plate, this snapping is provided with padlock.

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