CN2331737Y - Double-safety anti-theft door lock - Google Patents

Abstract

The utility model discloses a dual fail-safe pickproof door lock comprises lock core (7), lock body (12), lock and hangs (26) to and trick lock (2), safety catch (9), safety catch spring (18), lock panel (11), lock door (23), collects trick lock and built-in lock in an organic whole, has characteristics such as dual fail-safe, safe and reliable, convenient to use, outward appearance pleasing to the eye, is the comparatively ideal product of upgrading of resident family, office, unit house lock.

Description

Double insurance anti-theft door lock

The utility model relates to an anti-theft door lock, in particular to a double insurance anti-theft door lock.

There are many types of anti-theft door locks on the market, including padlocks, built-in locks, combination locks, etc. Padlocks are less secure, and there are many types of built-in locks, but most of them are made of fuss about the lock body and the lock bumping part, and the lock cylinder is almost unchanged; Although the built-in locks with "ten"-shaped four-sided grooves that have been popular in recent years have better security, there is still a common problem, that is, once the key is lost, or the key is copied intentionally, its security will be greatly reduced.

The purpose of the utility model is to provide a combination lock and built-in lock in one, with double insurance, safe and reliable, easy to use, beautiful appearance anti-theft door lock.

The purpose of this utility model is achieved like this:

Consists of a lock cylinder (7), a lock body (12), and a lock bumper (26), the lock core is connected with the lock body (12) by its internal twist piece (14), and the lock bumper (26) is connected to the lock body (12) is connected by the deadbolt in (12); Also comprise combination lock (2), lock panel (11), safety pin (9) and safety pin spring (18); Combination lock (2) and lock cylinder (7) be contained on the lock panel (11); The lower end of safety pin (9) is inserted in a marble hole of lock cylinder (7), after its upper end puts safety pin spring (18), inserts combination lock (2 ) in the lock hole.

”形的过渡曲面(28)。Safety pin (9) is that a lower end is a cylinder with two steps (27) and (29) at the top, and on the right side of the step (27), there is also a section that is "

”-shaped transition surface (28).

Lock panel (11) is a rectangular plate, and its top has four elongated holes, and the bottom has a big round hole, and its back side is respectively fixed with a middle band threaded hole outside the two elongated holes near the edge. Chunks (20).

”形的长方形平底盆式锁门(23)，并由两个弹性合页(22)铰合；在锁门(23)的左边缘中部和锁面板(11)右边缘中部，装有弹性碰扣(25)和(21)；在锁门(23)的左边中间的后面[即锁门(23)的正面的右边部中间]装有拉手(24)。On the left side of the lock panel (11), there is also a section in the shape of "

The rectangular flat-bottomed basin type lock door (23) of " shape, and is hinged by two elastic hinges (22); In the middle part of the left edge of the lock door (23) and the middle part of the right edge of the lock panel (11), an elastic bumper is housed. Buckle (25) and (21); Handle (24) is housed at the back in the middle of the left side of the lock door (23) [i.e. the middle of the right part of the front of the lock door (23)].

The anti-theft door lock of the utility model organically combines the combination lock and the built-in lock with safety pins. Once the key is obtained by a bad person, because he does not know the password of the lock, the key cannot be inserted into the lock hole, and he can only "look at the lock". Sigh. At the same time, the owner of the lock can also change the password of the lock at any time to improve the safety factor, so it is safe and reliable to use the lock. The lock is also equipped with a lock door that can be closed, and some beautiful patterns are printed on the lock door, which can improve its appearance; at the same time, after the door is closed, it can block dust and prevent children from dialing passwords randomly; After the elastic snap button is pulled, the door will automatically open under the action of the elastic force of the elastic hinge, so the use is extremely convenient.

Accompanying drawing 1 is the front view of the anti-theft door lock of the present utility model after the lock door is opened;

Accompanying drawing 2 is the cross-sectional view along the A-A axis after the lock door is opened of the anti-theft door lock of the present utility model;

Accompanying drawing 3 is the front view of the safety pin of anti-theft door lock of the present utility model;

Accompanying drawing 4 is the right view of safety pin of antitheft door lock of the present utility model.

An embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

”形的长方形平底盆式锁门(23)。从关上锁门(23)来看，锁门(23)的右边缘中部装有弹性碰扣上半部分(25)，并且其右边部的中部，装有拉手(24)。保险销(9)是一圆柱体，其下部做成球头，上部截成两个台阶，上台阶(29)是一个俯视为“ ”形的柱体；下台阶(27)是一个俯视为“

”形的柱体，在其右边还有一个截面呈“ ”形的过渡曲面(28)。剔除锁芯(7)的第三排弹子孔的铝封(13)、退出弹子，保留第一粒弹子(10)，其后，将锁芯(7)套进锁面板(11)下部的大圆孔里，让锁转芯(8)置于下部，弹子孔朝向上面；将保险销(9)的下部从第三排弹子孔插入，其上部的上台阶(29)套住保险销弹簧(18)。将密码锁(2)的锁挂孔朝下，对着保险销弹簧(18)套下去，并让密码锁(2)的转动挂板(6)的下端右边卡住台阶(27)(此时为密码锁的锁住位置)，同时，让密码锁(2)的四个号码轮(3)穿出锁面板(11)上部的长条形孔，然后，用两个螺钉将密码锁(2)的壳体(19)的两端固定在加厚板(20)上。锁身(12)和锁碰挂(26)照旧。The anti-theft door lock of the present embodiment is made of the lock core (7), lock body (12), lock bump (26) and common combination box lock (2), safety pin (9), safety pin spring (18) of common built-in lock , lock panel (11), lock door (23) constitute. The lock panel (11) is a rectangular plate, and its top has four elongated holes for assembling the number wheel (3) of the combination lock (2); its bottom has a large round hole for assembling the lock cylinder (7) The lower half (21) of the elastic snap button is equipped with in the middle part of its right edge; at the back, the outer middle part of the elongated holes of the two sideways is respectively fixed with a thickened plate (20) with a screw hole, which is used to accept Two screws for fixing the combination lock; two elastic hinges are installed on its left edge, which are used to connect

" Shaped rectangular flat-bottomed basin type lock door (23). From closing the lock door (23), the middle part of the right edge of the lock door (23) is equipped with an elastic snap button upper half (25), and the middle part of its right side , handle (24) is housed. Safety pin (9) is a cylinder, and its bottom is made ball head, and top is cut into two steps, and upper step (29) is a top view as " " shaped column; the lower step (27) is a top view as "

"shaped cylinder, there is another section on the right side of which is " "shaped transition surface (28). Eliminate the aluminum seal (13) of the third row of marble holes of the lock core (7), withdraw from the pins, keep the first pin (10), and then put the lock core (7) cover Enter the large round hole at the bottom of the lock panel (11), let the lock rotating core (8) be placed at the bottom, and the pinholes face upward; insert the lower part of the safety pin (9) from the third row of pinholes, and the upper step ( 29) Enclose the safety pin spring (18). Put the locking hole of the coded lock (2) down, put it down against the safety pin spring (18), and let the rotation of the coded lock (2) hang on the plate (6) Block the step (27) (this moment is the locked position of combination lock) on the right side of the lower end, simultaneously, allow four number wheels (3) of combination lock (2) to pass through the elongated hole on the lock panel (11) top, Then, fix the two ends of the housing (19) of the combination lock (2) on the thickened plate (20) with two screws. The lock body (12) and the lock bumper (26) are as usual.

During installation, the lock touches and hangs (26) and is installed on the door frame according to the routine; 7) At the same time, drill a rectangular blind hole next to the upper part of the round hole to accommodate the coded lock (2), and thereafter, lock the panel (11) with the screw (15) and the pressing plate (16). , lock cylinder (7) and combination lock (2) are fixed on the door leaf (1), and the twist piece hole of the lock body (12) is aligned with the twist piece (14) and inserted, then the lock body ( 12) Installed.

During use, when the door is closed, after the lock body is locked, take out the key, turn the number wheel (3), and the teeth in the inner hole of the number wheel (3) drive the positioning wheel (4) around the shaft of the combination lock (2) (5) Rotate to allow the gap position of the positioning wheel (4) to leave the rotating hanging plate (6), so that the lower end of the rotating hanging plate (6) rotates clockwise around the upper end, and the lower end moves the safety pin ( 9) press down until stuck in the lower step (27) of safety pin (9), close the lock door (23), and have just finished the lock door action. At this time, if the key is inserted into the keyhole of the lock cylinder (7), the safety pin (9) cannot move upward because the lower step (27) of the safety pin (9) is blocked by the lower end of the rotating hanging plate (6). , so the marbles (10) will not retreat upwards, so the key cannot be inserted and the lock cannot be unblanked.

When opening the door, pull the handle (24) on the lock door (23) by hand to disengage the elastic snap button on the door. At this time, the lock door (23) turns left automatically under the elastic force of the elastic hinge (22) move, open the lock door (23); then move the four number wheels (3) on the combination lock (2) by hand, so that it is all aligned with the number of passwords originally set by oneself, and then the positioning wheels (4) will all go around The shaft (5) rotates to the position where the gap faces the rotating hanging plate (6). At this time, under the action of elastic force, the lower end of the rotating hanging plate (6) will rotate counterclockwise around the upper end, and the lower end will break away from the safety pin ( 9) lower steps (27), and vacate the space that safety pin (9) moves upwards, get ready for opening built-in lock; At this moment, key is inserted in the keyhole of lock core (7), and marble (10) just Can force safety pin (9) upwards to move upwards, and compress spring (18), key is inserted in the hole smoothly, and lock can be opened by turning key.

When the password needs to be reset, the lock cylinder (7) and the lock panel (11) are pulled out according to the reverse order of the lock, and the number wheel (3) is moved to make it align with the password number originally set by oneself. Turn the password setting handle (17), dial the number wheel (3) to the desired password, and then dial back the handle (17), and the password setting is completed; then install the lock according to the procedure, and the new setting can be used password.

The anti-theft door lock of the utility model is suitable for various built-in locks, such as "ten" groove built-in locks, two-section square tongue built-in locks, cylindrical tongue built-in locks, etc., and, according to the difference of the selected combination lock, the safety pin (9) can be It is arranged in the second row or the fourth and fifth rows of marble holes.

Different patterns can be printed on the front of the lock door (23), which plays the role of decorating the door leaf.

Claims (4)

1, a kind of double insurance safe-guard door lock is to be bumped extension (26) and constituted by lock core (7), lock body (12), lock, and lock core is connected with lock body (12) by the sheet (14) of turning round of its inside, and lock bumps extension (26) and is connected by the dead bolt in (12) with lock body (12); It is characterized in that: also include coded lock (2), lock panel (11), safety plug (9) and safety plug spring (18); Coded lock (2) is contained on the lock panel (11) with lock core (7); The lower end of safety plug (9) is injected in the pellet shot from a slingshot hole of lock core (7), after its upper end puts safety plug spring (18), injects in the lock hanging hole of coded lock (2).

2, double insurance safe-guard door lock according to claim 1 is characterized in that: safety plug (9) is that a bottom is the cylinder that two steps (27) and (29) are arranged at bulb, top, the right in step (27), also have a cross section be "

" fillet surface (28) of shape.

3, double insurance safe-guard door lock according to claim 1, it is characterized in that: lock panel (11) is a rectangle plate, four strip holes are arranged at its top, a big hole is arranged at the bottom, its back side be fixed with respectively in the outside in submarginal two strip holes centre with threaded hole thicken piece (20).

4, according to claim 1 or 3 described double insurance safe-guard door locks, it is characterized in that: also be equipped with on the left side of lock panel (11) one the fan cross section be "

" the flat benzvalene form of rectangle of shape locks a door (23), and by two elasticity hinges (22) twisting; Left hand edge middle part and lock panel (11) right hand edge middle part in lock a door (23) are equipped with elasticity and are bumped button (25) and (21); Handle (24) is equipped with in back [in the middle of the right portion in the front of promptly lock a door (23)] in the middle of the left side of lock a door (23).

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