CN209837946U - Front-end mechanical coded door lock - Google Patents

Abstract

The utility model discloses a front-end mechanical coded door lock, including coded lock carousel, box, visor, actuating mechanism, follower and key lock core, box one side is fixed on the lock body surface of door lock, the box opposite side is fixed on the visor internal surface, coded lock carousel is fixed on the visor surface, actuating mechanism and follower are located the box, key lock core and follower cooperate and be connected; this technical scheme uses mechanical trick lock to install on the door lock front panel is the door outside panel, and the key lock core on traditional lock of mechanical trick lock's output shaft disect insertion stirs the door lock front panel and is the door outside panel carousel, through inside a series of drive mechanism, makes trick lock output shaft clockwise rotation stir the key lock core, realizes opening the door. The mechanism has the advantages that the mechanism is suitable for various door locks of different types, and only the key lock cylinder on the door lock body needs to be slightly changed, so that the universality is high.

Description

Front-end mechanical coded door lock

Technical Field

The utility model relates to an application of mechanical trick lock on the lock.

Background

Nowadays, coded locks and intelligent locks are developed day by day, coded locks or intelligent locks are generally adopted for doors of new houses, and due to the fact that the coded locks and the intelligent locks have high anti-theft performance, the embarrassment that the houses are locked outside the doors of the new houses due to forgetting keys is prevented, so that the coded locks and the intelligent locks are more and more popularized in the new houses, but the phenomenon often occurs in more developed areas, mechanical locks which are opened by using keys in remote areas and towns still occupy the main position, but along with the improvement of living standard and anti-theft consciousness of people, the intelligent locks and the coded locks still can be popularized in the remote areas and the towns, and therefore, whether the coded locks and the intelligent locks enter the field of military coded locks or intelligent locks is a problem for manufacturers still producing common mechanical locks.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a leading mechanical password lock, this leading mechanical password lock can replace traditional lock key through carrying out certain transformation to original locks, can need not carry the key, it can only to stir carousel input password to open the door, bring the facility to people's life, and is safer, avoid the key to lose the safe risk of bringing, the producer to still producing ordinary mechanical lock simultaneously, original production line is production as usual still, only need increase certain structure, then to original lock core carry out some little changes can.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a front-end mechanical coded door lock comprises a coded lock turntable, a box body, a protective cover, a driving mechanism, a driven mechanism and a key lock cylinder, wherein one side of the box body is fixed on the surface of a door lock body, the other side of the box body is fixed on the inner surface of the protective cover, the coded lock turntable is fixed on the outer surface of the protective cover, the driving mechanism and the driven mechanism are located in the box body, and the key lock cylinder is connected with the driven mechanism in a matched mode;

the driving mechanism comprises a turntable input shaft, a password locking plate and a driving wheel, the turntable input shaft is fixed at the center of the turntable of the password lock and sequentially penetrates through the protective cover, the box body, the password locking plate and the driving wheel, and a groove is formed in the driving wheel;

the driven mechanism comprises a pull rod, a rack, a gear and an output shaft, wherein the rack is provided with a rectangular notch, one side of the rectangular notch can be in matched transmission with the gear, one end of the output shaft is sleeved in the gear, the other end of the output shaft is sleeved in the key lock cylinder, a screw is fixed on the rack, the end A of the pull rod is sleeved on the screw and can rotate freely, the end B of the pull rod is in a hook shape, and the pull rod has pressure vertical to the surface of the driving wheel under the action of the screw.

Preferably, the inside of the box body is further provided with a notch A and a notch B, the notch A and the notch B are respectively located on two sides of the rack, and the notch A and the notch B are mainly used for limiting the movement of the rack in other directions, so that the rack can move back and forth only in the designated direction.

Preferably, the side of the rectangular notch of the rack, which is provided with the gear teeth, is parallel to the moving direction of the rack. When the password is input correctly, the end B of the draw hook can be clamped into the groove on the driving wheel by rotating the dial lock turntable, the rack is driven to move by continuously rotating the pull rod of the dial lock turntable, and when one side of the rectangular notch of the rack, which is provided with the gear teeth, is parallel to the moving direction of the rack, the rotating distance of the gear matched with the rack for transmission can be maximized.

Preferably, the box body is fixed on the outer surface of the door lock body through a screw.

Preferably, the protective cover is fixed on the outer surface of the door lock body through a screw member.

Preferably, a key inserting piece is further arranged inside the key lock cylinder and is riveted on the output shaft.

The utility model discloses owing to adopted above technical scheme, use mechanical trick lock to install on lock front panel (the door outside panel), the key lock core on the output shaft disect insertion traditional lock of mechanical trick lock stirs lock front panel (the door outside panel) and goes up the carousel, through inside a series of drive mechanism, makes trick lock output shaft clockwise rotation stir the key lock core, realizes opening the door. The mechanism has the advantages that the mechanism can be suitable for various door locks of different types, and only a key lock cylinder on a door lock body needs to be slightly changed; the utility model discloses mainly be with mechanical trick lock to replace traditional lock key, can need not carry the key, open the door only need stir the carousel input password can, bring the facility to people's life, simultaneously safer, avoid the key to lose the safety risk of bringing.

Drawings

Fig. 1 is a first explosion schematic diagram of the front-end mechanical door lock of the present invention;

fig. 2 is an exploded schematic view ii of the front mechanical door lock of the present invention;

fig. 3 is a schematic structural diagram of the front-end mechanical door lock of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the front-end mechanical combination door lock comprises a combination lock turntable 1, a box body 2, a protective cover 3, a driving mechanism 4, a driven mechanism 5 and a key lock cylinder 6, wherein one side of the box body 2 is fixed on the surface of a door lock body 7, the other side of the box body 2 is fixed on the inner surface of the protective cover 3, the combination lock turntable 1 is fixed on the outer surface of the protective cover 3, the driving mechanism 4 and the driven mechanism 5 are located in the box body 2, and the key lock cylinder 6 is in fit connection with the driven mechanism 5;

the driving mechanism 4 shown in fig. 3 includes a turntable input shaft 41, a password locking plate 42 and a driving wheel 43, the turntable input shaft 41 is fixed at the center of the password lock turntable 1 and sequentially passes through the protective cover 3, the box body 2, the password locking plate 42 and the driving wheel 43, and a groove is arranged on the driving wheel 43;

the driven mechanism 5 shown in fig. 3 includes a pull rod 51, a rack 52, a gear 53 and an output shaft 54, the rack 52 is provided with a rectangular notch, one side of the rectangular notch can be in transmission fit with the gear 53, one end of the output shaft 54 is sleeved in the gear 53, the other end of the output shaft is sleeved in the key lock cylinder 6, a screw is fixed on the rack 52, the end of the pull rod 51A is sleeved on the screw and can freely rotate, the end of the pull rod 51B is in a hook shape, and the pull rod 51 has a pressure perpendicular to the surface of the driving wheel 43 on the driving wheel 43 under the action of the screw.

Specifically, a notch a21 and a notch B22 are further disposed inside the box body 2, the notch a21 and the notch B22 are respectively located on two sides of the rack 52, and the notch a21 and the notch B22 mainly serve to limit the movement of the rack 52 in other directions, so that the rack 52 only moves back and forth in a specific direction.

Specifically, the side of the rectangular notch of the rack 52 having the gear teeth should be parallel to the moving direction of the rack 52. When the password is correctly input, the drag hook B end can be clamped into the groove on the driving wheel 43 by rotating the dial lock dial 1, the rack 52 is driven to move by continuously rotating the drag hook 51 of the dial lock dial 1, and when the side with the gear teeth in the rectangular gap of the rack 52 is parallel to the moving direction of the rack 52, the rotating distance of the gear 53 which is in matched transmission with the rack 52 can be maximized.

Specifically, the box body 2 is fixed on the outer surface of the door lock body 7 through a threaded piece.

Specifically, the protective cover 3 is fixed on the outer surface of the door lock body 7 through a screw.

Specifically, a key insertion piece 61 is further arranged inside the key lock cylinder 6, and the key insertion piece 61 is riveted on the output shaft 54.

The utility model discloses a working process does: when a password is input by dialing the dial 1 of the password lock through the dial input shaft 41, the dial input shaft 41 can dial the password lock sheet 42 and the driving wheel 43, after the password is input correctly, the hook at the end of the pull rod 51B can be clamped into the groove of the driving wheel 43, then the dial is continuously rotated to drive the pull rod 51 to move downwards, the pull rod 51 can drive the rack 52 to move downwards, the rack 52 drives the gear 53 and the output shaft 54 to rotate clockwise, the gear 53 and the output shaft 54 drive the key inserting sheet 61 riveted on the output shaft 54 to rotate clockwise, and the key inserting sheet 61 drives the key lock cylinder 6 to rotate clockwise to open the door.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A front-end mechanical coded door lock comprises a coded lock turntable (1), a box body (2), a protective cover (3), a driving mechanism (4), a driven mechanism (5) and a key lock cylinder (6), and is characterized in that one side of the box body (2) is fixed on the surface of a door lock body (7), the other side of the box body (2) is fixed on the inner surface of the protective cover (3), the coded lock turntable (1) is fixed on the outer surface of the protective cover (3), the driving mechanism (4) and the driven mechanism (5) are located in the box body (2), and the key lock cylinder (6) is connected with the driven mechanism (5) in a matched mode;

the driving mechanism (4) comprises a turntable input shaft (41), a password locking plate (42) and a driving wheel (43), the turntable input shaft (41) is fixed at the center of the password lock turntable (1) and sequentially penetrates through the protective cover (3), the box body (2), the password locking plate (42) and the driving wheel (43), and a groove is formed in the driving wheel (43);

the driven mechanism (5) comprises a pull rod (51), a rack (52), a gear (53) and an output shaft (54), wherein the rack (52) is provided with a rectangular notch, one side of the rectangular notch can be in matched transmission with the gear (53), one end of the output shaft (54) is sleeved in the gear (53), the other end of the output shaft is sleeved in the key lock cylinder (6), a screw is fixed on the rack (52), the A end of the pull rod (51) is sleeved on the screw and can freely rotate, the B end of the pull rod (51) is in a hook shape, and the pull rod (51) has pressure perpendicular to the surface of the driving wheel (43) on the driving wheel (43) under the action of the screw.

2. The front mechanical combination door lock according to claim 1, wherein a notch a (21) and a notch B (22) are further provided in the box body (2), and the notch a (21) and the notch B (22) are respectively located on two sides of the rack (52).

3. A mechanical combination door lock as claimed in claim 1, wherein the rectangular notch of the rack (52) has a side with gear teeth parallel to the moving direction of the rack (52).

4. A front mechanical combination door lock as claimed in claim 1, wherein the housing (2) is secured to the outer surface of the lock body (7) by screws.

5. A front mechanical combination door lock according to claim 1, wherein the protective cover (3) is secured to the outer surface of the lock body (7) by screws.

6. The mechanical coded door lock as claimed in claim 1, wherein a key blade (61) is further provided inside the key cylinder (6), and the key blade (61) is riveted on the output shaft (54).