CN211776561U - Number adjustable notebook cipher lock - Google Patents

Abstract

The utility model discloses a number-adjustable notebook password lock. Compared with the prior art, the utility model is more practical, the number adjustment is more flexible, and the use is more convenient. It includes: lock cover, lock bottom, slide plate, unlock block, number knob, positioning ring, number change ring, spring, lock tongue and unlock knob. The lock cover is provided with a knob through hole, and the inner surface is provided with a polygonal groove. The positioning ring with the positioning ring oblate hole and the star wheel is installed in the polygonal groove, and the number knob is pinned on the positioning ring, which is elastic. The cantilever of the positioning ring is stuck in the slot of the polygon groove, the number changing ring is set on the star wheel, the triangular protrusion at the end is stuck in the tooth slot of the star wheel, the unlocking knob pin is connected to the unlocking block, and the slide plate is installed on the star wheel. Between the shape wheel, the number-changing ring and the lock bottom, the lock bottom and the cover connecting piece are arranged at 90°, and the lock tongue passes through the lock tongue hole and hangs on the sliding plate lock tongue. The utility model can be installed on various cultural or office supplies such as notebooks, diaries, and file boxes.

Description

Number adjustable notebook password lock

technical field

The utility model relates to the technical field of locks, in particular to a number-adjustable notebook password lock.

Background technique

Locks are one of the indispensable items in people's daily life. Door locks, car locks, combination locks, etc., have different uses. In recent years, some locks with toys, decoration and entertainment properties, suitable for children or primary school students and even adults, are also widely used in cultural products such as folders, diaries, school bags, pencil cases, stationery boxes, etc. To a certain extent, the privacy of stationery is increased, and it also makes these stationery more beautiful and lovable, such as the "Number Adjustable Combination Lock" that I applied for. However, in use, it is found that this combination lock still has some structural deficiencies, such as the problem of no gear position when rotating the unlock key and adjusting the number.

SUMMARY OF THE INVENTION

The utility model is a further technical improvement of the "Number Adjustable Combination Lock" applied by me, and its purpose is to provide a number adjustable notebook combination lock with clear unlocking and number adjustment gears and good use feeling.

The purpose of this utility model is achieved in this way, the number adjustable notebook combination lock, which includes: a lock cover, a lock bottom, a sliding plate, a locking tongue and a spring, the sliding plate is provided with a spring groove, a sliding plate locking tongue and a sliding plate boss, and the spring is installed In the spring groove, one end rests on the unlocking rib of the slide plate, and the other end rests on the spring stopper of the lock cover. The slide plate is installed between the number changing ring and the bottom of the lock. The slide plate can slide longitudinally along the lock body and reset under the action of the spring. In the unlocked state, the sliding plate boss is embedded in the opening of the number-changing ring, the lock tongue is hung on the sliding plate lock tongue through the lock tongue hole, and the lock cover is fastened on the lock bottom. The inner surface is provided with a polygonal groove, the positioning ring with the oblong hole of the positioning ring and the star wheel are installed in the polygonal groove, and the oblong pin behind the number knob passes through the through hole of the knob and is connected to the oblong hole of the positioning ring. , the elastic positioning ring cantilever can be stuck in any polygon groove, the positioning ring can rotate with the number knob, the number changing ring is sleeved on the star wheel, and the triangular protrusion at the end is stuck on the teeth of the star wheel In the groove, when the number knob is turned in the locked state, the number changing ring can rotate together with the star wheel. The oblate pin behind the unlocking knob passes through the through hole of the knob and is connected to the oblate hole of the unlocking block of the unlocking block. The slide plate is installed in the star-shaped Between the wheel, the number changing ring and the bottom of the lock, turn the unlocking knob, and the unlocking block rotates along with it. The long side of the unlocking block passes through the sliding plate unlocking rib, which pushes the sliding plate to slide longitudinally and resets under the action of the spring. On the bottom, there is a cover connecting piece on the bottom of the lock, and the two are set at 90°. The cover connecting piece is fixed on the notebook cover, and the lock tongue is fixed on the back cover. When the notebook is closed, the lock tongue passes through the lock tongue hole and hangs on the on the slide latch.

Compared with the prior art, the utility model is more practical, the number adjustment is more flexible, and the use is more convenient.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Figure 2 is a front view of the present invention.

Figure 3 is a rear view of the present invention.

Figure 4 is a front view of the present utility model parts disassembled view.

FIG. 5 is a disassembled view of the rear view parts of the present invention.

FIG. 6 is a rear view using state diagram of the present invention.

FIG. 7 is a front view using state diagram of the present invention.

Detailed ways

Example 1:

The utility model is a technical improvement on the basis of the patent "Number Adjustable Combination Lock" applied for by myself. Except for the spring, all parts and components can be made of plastic. The whole lock body is composed of lock cover 1, lock bottom 2, slide plate 3, unlocking block 4, number knob 5, positioning ring 6, number changing ring 7, spring 11, lock tongue 12 and unlocking knob 15. The lock cover 1 is provided with several knob through holes 19, the specific number may be determined according to the number of digits of the password, and the middle one is the unlock knob through hole. The inner surface of the lock cover 1 is provided with a polygonal groove 13, a positioning ring 6 with a positioning ring oblong hole 17 and a star wheel 28 is installed in the polygonal groove 13, and the oblong pin 20 behind the number knob 5 passes through the knob. The through hole 19 is pinned into the oblong hole 17 of the positioning ring, and the cantilever 16 of the positioning ring with elasticity can be clamped in any of the polygonal grooves 21 to form a “gear position”; On the wheel 28, the triangular protrusion 29 at the end is stuck in the tooth slot of the star wheel 28; in the locked state, the positioning ring 6 and the number changing ring 7 can be rotated together with the number knob 5 to select the unlocking password; in the unlocked state, the sliding plate The boss 9 is embedded in the opening 27 of the number-changing ring, and the numbering knob 5 is turned. The number-changing ring 7 cannot rotate with the star wheel 28, and the triangular protrusion 29 at the end jumps between the teeth of the star wheel 28 to adjust and replace the password; A transition fit should be adopted between the pin 20 and the oblong hole 17 of the positioning ring to ensure that the number knob 5 will not fall off during use. The same as the number knob 5, the oblate pin 20 behind the unlocking knob 15 passes through the knob through hole 19 and is pinned into the unlocking block oblong hole 18 of the unlocking block 4. Use a transition fit. The slide plate 3 is installed between the star wheel 28, the number changing ring 7 and the lock bottom 2, the spring 11 is installed in the spring groove 26, one end is pressed against the slide plate unlocking rib 10, and the other end is pressed against the lock cover spring catch 23. The lock cover 1 is buckled on the lock bottom 2. The locking bottom 2 is integrated with the cover connecting piece 14, and the two are arranged at a 90° angle. The cover connecting piece 14 is fixed on the notebook cover 25, and the locking tongue 12 is fixed on the bottom cover 24. When the notebook is closed, the locking tongue 12 passes through the lock. The tongue hole 22 is hung on the lock tongue 8 of the slide plate; when unlocking, align the password, turn the unlocking knob 15, and the unlocking block 4 rotates along with it. The boss 9 is embedded in the opening 27 of the number changing ring, and the lock tongue 12 and the sliding plate lock tongue 8 are released from the lock; release the unlock key 15, the sliding plate 3 is reset under the action of the spring 11, and the number knob 5 is turned to disrupt the password lock.

The utility model can be installed on various cultural or office supplies such as notebooks, diaries, and file boxes.

Claims (2)

1. Number-adjustable notebook combination lock, including: lock cover (1), lock bottom (2), slide plate (3), lock tongue (12) and spring (11), the slide plate (3) is provided with a spring groove (26 ), the sliding plate locking tongue (8) and the sliding plate boss (9), the spring (11) is installed in the spring groove (26), one end rests on the sliding plate unlocking rib (10), and the other end rests on the lock cover spring stopper ( 23), the sliding plate (3) is installed between the number changing ring (7) and the lock bottom (2). The sliding plate (3) can slide longitudinally along the lock body and reset under the action of the spring (11). The slide plate boss (9) is inserted into the number changing ring opening (27), and the lock tongue (12) is hung on the slide plate lock tongue (8) through the lock tongue hole (22), and is characterized in that: the lock cover (1) is provided with There is a knob through hole (19), the inner surface is provided with a polygonal groove (13), and a positioning ring (6) with a positioning ring oblong hole (17) and a star wheel (28) is installed in the polygonal groove (13) Inside, the oblate pin (20) behind the number knob (5) passes through the knob through hole (19) and is pinned into the oblate hole (17) of the positioning ring, and the elastic positioning ring cantilever (16) can be clamped in any Inside the polygon groove (21), the positioning ring (6) can be rotated together with the numbering knob (5), the number changing ring (7) is fitted on the star wheel (28), and the triangular protrusion (29) at the end is locked In the tooth slot of the star wheel (28), the oblate pin (20) behind the unlocking knob (15) passes through the knob through hole (19) and is pinned to the unlocking block oblong hole (18) of the unlocking block (4). Inside, the slide plate (3) is installed between the star wheel (28), the number changing ring (7) and the lock bottom (2), the lock cover (1) is buckled on the lock bottom (2), and the lock bottom (2) There is a cover connecting piece (14) on it, the cover connecting piece (14) is fixed on the notebook cover (25), the locking tongue (12) is fixed on the back cover (24), and the notebook is closed, and the locking tongue (12) passes through the lock The tongue hole (22) hangs on the sliding plate lock tongue (8). 2 . The number-adjustable notebook combination lock according to claim 1 , wherein the lock bottom ( 2 ) and the cover connecting piece ( 14 ) are integrated, and the two are arranged at a 90° angle. 3 .

Images