CN211422169U

CN211422169U - Safety door lock

Info

Publication number: CN211422169U
Application number: CN201921288689.7U
Authority: CN
Inventors: 王波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-09-04
Anticipated expiration: 2029-08-09

Abstract

The utility model discloses a safety door lock, which comprises a lock body, the lock body includes lock body face lid and lock body base, lock body face lid passes through cross countersunk head screw fixed connection at the upper surface of lock body base, the upper surface from the top down of lock body face lid is equipped with handle, key base and knob in proper order, the one end of handle cup joints the top at the reference column, the upper portion at the lock body base is fixed to the reference column, one side from the top down of lock body base is equipped with handle buckle, first lock post, second lock post and knob lock post in proper order. This safety door lock is through setting up first lock, second lock and knob lock, triple guarantee, greatly increased the security, and the knob lock of this safety door lock passes through knob control simultaneously, can lock when the people is indoor keyless, and is simple and convenient.

Description

Safety door lock

Technical Field

The utility model belongs to the technical field of the lock, concretely relates to safety door lock.

Background

The door lock is used for locking the door to prevent others from opening the door, the door lock is classified in many ways, the requirements on the door lock are different in each occasion, a coded lock and a fingerprint lock can be used in some high-end places and secret institutions, and the safety is high and the price is high; glass doors are used in many public places, so that the glass door lock can be widely used; the common household generally uses the three-bar type door handle lock, the preparation method is relatively simple, the fabrication cost is low, but its security is relatively poor, and must use the key to lock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety door lock to solve the relatively poor and problem that must use the key just can lock of ordinary lock security.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a safety door lock, includes the lock body, the lock body includes lock body face lid and lock body base, lock body face lid passes through cross countersunk head screw fixed connection at the upper surface of lock body base, the upper surface from the top down of lock body face lid is equipped with handle, key base and knob in proper order, the one end of handle cup joints the top at the reference column, the upper portion at the lock body base is fixed to the reference column, one side from the top down of lock body base is equipped with handle buckle, first lock post, second lock post and knob lock post in proper order.

Preferably, the upper surface of the key base is provided with a key hole.

Preferably, the number of the cross countersunk head screws is two, and the two cross countersunk head screws are respectively arranged at the upper end and the lower end of the lock body surface cover.

Preferably, one side of the handle buckle close to the door frame is an inclined plane, and the handle buckle is fixedly connected with the handle through a connecting rod.

Preferably, a spring is arranged between the positioning column and the handle buckle.

Preferably, the first lock cylinder and the second lock cylinder are movably connected with the key base.

Preferably, the knob lock cylinder is movably connected with the knob.

The utility model discloses a technological effect and advantage: 1. one surface of the safety door lock handle buckle close to the door frame is an inclined surface, and a spring is arranged between the handle buckle and the positioning column, so that the handle buckle is retracted into the door frame when being extruded by the door frame, and the door is conveniently closed;

2. the safety door lock is provided with the first lock column, the second lock column and the knob lock column, so that the safety is greatly improved;

3. the knob lock cylinder of the safety door lock is controlled by the knob, and when a person is indoors, the safety door lock can be locked without a key, so that the safety door lock is simple and convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view of the plane a-a of the present invention.

In the figure: 1-lock body, 2-lock body face cover, 3-lock body base, 4-handle, 41-positioning column, 5-key base, 51-key hole, 6-knob, 7-cross countersunk head screw, 8-handle buckle, 9-first lock column, 10-second lock column, 11-knob lock column, 12-connecting rod, 13-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a safe lock as shown in the figure, including lock body 1, lock body 1 includes lock body face lid 2 and lock body base 3, lock body face lid 2 is through the upper surface of cross countersunk screw 7 fixed connection at lock body base 3, the upper surface from the top down of lock body face lid 2 is equipped with handle 4, key base 5 and knob 6 in proper order, the one end of handle 4 cup joints the top at reference column 41, reference column 41 fixes the upper portion at lock body base 3, one side from the top down of lock body base 3 is equipped with handle buckle 8, first lock post 9, second lock post 10 and knob lock post 11 in proper order. In addition, a key hole 51 is formed in the upper surface of the key base 5. The two cross countersunk head screws 7 are respectively arranged at the upper end and the lower end of the lock body surface cover 2, so that the lock body surface cover 2 can be firmly fixed on a door. The one side that handle buckle 8 is close to the door frame is the inclined plane, just handle buckle 8 passes through connecting rod 12 and handle 4 fixed connection, does not need rotatory handle 4 can accomplish to close the door, and when rotatory handle 4, connecting rod 12 pulling handle buckle 8 can accomplish opening the door with its shrink in lock body base 3. And a spring 13 is arranged between the positioning column 41 and the handle buckle 8, so that the handle buckle 8 can realize elastic telescopic kinetic energy. The first lock cylinder 9 and the second lock cylinder 10 are movably connected with the key base 5, when a key is inserted into the key hole 51 and rotates ninety degrees clockwise, the first lock cylinder 9 is ejected, and when the key rotates ninety degrees clockwise again, the second lock cylinder 10 is ejected, so that the safety is improved. The knob lock cylinder 11 is movably connected with the knob 6, and the knob lock cylinder 11 is popped out when the knob 6 rotates ninety degrees clockwise, so that the door can be locked without a key.

The working principle is as follows: when the safety door lock works, the door is pushed and pulled forcibly, when the inclined plane of the handle buckle 8 impacts the door frame, the handle buckle 8 is contracted into the door lock base 3, then the door lock base 3 is extended out to be embedded into the groove in the door frame, the door is closed, then the key is inserted into the key hole 51 to rotate clockwise, the first lock column 9 is popped out of the groove embedded into the door frame when rotating ninety degrees, and the second lock column 10 is popped out of the groove embedded into the door frame when rotating ninety degrees again, so that the safety door is locked; when a person is indoors and the door is closed, the knob 6 is rotated ninety degrees clockwise, and the popped knob lock column 11 is embedded into the groove in the door frame, so that the keyless door locking is completed; insert key hole 51 anticlockwise rotation ninety degrees with the key, in the shrink of second lock cylinder 10 advanced lock body base 3, anticlockwise rotation ninety degrees once more, first lock cylinder 9 is in the indentation lock body base 3, then downwards rotate handle 4, with the shrink of handle buckle 8 in the lock body base 3, can accomplish and open the door. This safety door lock is through setting up first lock post 9, second lock post 10 and knob lock post 11, triple guarantee, greatly increased the security, and knob lock post 11 of this safety door lock passes through knob 6 control, can lock when the people is indoor keyless, and is simple and convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A safety door lock comprises a lock body (1), and is characterized in that: lock body (1) is including lock body face lid (2) and lock body base (3), lock body face lid (2) are through the upper surface of cross countersunk screw (7) fixed connection at lock body base (3), the upper surface from the top down of lock body face lid (2) is equipped with handle (4), key base (5) and knob (6) in proper order, the top at reference column (41) is cup jointed to the one end of handle (4), the upper portion at lock body base (3) is fixed on reference column (41), one side from the top down of lock body base (3) is equipped with handle buckle (8), first lock post (9), second lock post (10) and knob lock post (11) in proper order.

2. A security door lock according to claim 1, wherein: the upper surface of the key base (5) is provided with a key hole (51).

3. A security door lock according to claim 1, wherein: the number of the cross countersunk head screws (7) is two, and the two cross countersunk head screws (7) are respectively arranged at the upper end and the lower end of the lock body surface cover (2).

4. A security door lock according to claim 1, wherein: one side of the handle buckle (8) close to the door frame is an inclined plane, and the handle buckle (8) is fixedly connected with the handle (4) through a connecting rod (12).

5. A security door lock according to claim 1, wherein: and a spring (13) is arranged between the positioning column (41) and the handle buckle (8).

6. A security door lock according to claim 1, wherein: the first lock cylinder (9) and the second lock cylinder (10) are movably connected with the key base (5).

7. A security door lock according to claim 1, wherein: the knob lock cylinder (11) is movably connected with the knob (6).