KR101969928B1 - Combination lock - Google Patents

Abstract

The present invention relates to a dial lock that locks or unlocks a lock through a combination of numbers imprinted on an outer circumferential surface of a dial. The dial lock according to an embodiment comprises a body which is assembled, a dial unit fixated to a dial fixing unit provided at one side in the body and composed of a plurality of dials, and a locking unit locking or unlocking the lock. The locking unit is placed in parallel with the dial fixing unit at the other side in the body, and rotated in conjunction with the dials to lock or unlock the lock.

Description

Dial lock {COMBINATION LOCK}

The following disclosure relates to a dial lock that locks or unlocks a lock through a combination of numbers stamped on the outer circumferential surface of the dial.

A dial lock is a lock that locks or unlocks a combination of numbers imprinted on the outer circumference of a dial, and is used in various places, such as storing belongings in a locker or cabinet in a public place or fixing a wheel with a chain to prevent theft of a bicycle. .

1 is a view for explaining a dial lock according to the prior art.

Referring to FIG. 1, the dial lock 1 according to the related art includes a body 10 formed of first and second bodies, a dial 20 formed of a plurality of dials 20, and a number imprinted on an outer circumferential surface thereof. , A dial fixing part 12 provided inside the body 10 to fix the dial 20 to be rotatable, and having a plurality of latches 30 and a lock ring 40 in a configuration located inside the dial 20. It includes a locking portion consisting of a locking ring 42 which is a part.

According to the above prior art, the structure is relatively simple and there is a security deficiency in the dial 20 portion due to the design structure. Specifically, when the number of the dial 20 is matched with the password of the lock 1 set by the user, the outer protrusion 32 of the latch 30 of the lock unit is matched, and accordingly the dial 20 and the body 10 There is a disadvantage in that the password can be easily known from the outside by checking whether the external protrusion 32 is matched through a gap with the).

KR 10-1501416 B1 KR 20-0464724 Y1

In order to solve the above problems, there is provided a dial lock with enhanced security that can not see the internal major configuration from the outside.

In addition, through various embodiments to provide a dial lock that can adjust the width of the key ring and implement a slim form.

The dial lock according to an embodiment is a dial lock including a body which is assembled, a dial part which is fixed to a dial fixing part provided at one side of the body and includes a plurality of dials, and a lock part which locks / unlocks the lock. The part is located in parallel with the dial fixing part on the other side inside the body, characterized in that the lock lock / unlock as it rotates in conjunction with the dial.

In addition, the locking portion, the locking ring is formed to be spaced apart from the lock projection along the longitudinal direction on the outer circumferential surface, the locking ring is interpolated and the locking ring is constrained or released by rotation and a plurality of latches formed in the outer peripheral surface along the circumferential direction It includes, The lock is characterized in that it further comprises a first gear portion consisting of a plurality of first gear to rotate about the same axis of rotation and rotate by the rotation of the dial.

On the other hand, the dial lock according to another embodiment is a dial lock including a body which is assembled, a dial part which is fixed to a dial fixing part provided on one side of the body and consists of a plurality of dials, and a lock part which locks / unlocks the lock. The lock part is positioned parallel to the dial fixing part on the other side of the body, and locks / unlocks as it rotates in conjunction with the dial, and a lock ring provided with a lock projection spaced apart along the longitudinal direction on the outer circumferential surface thereof, Includes a latch portion of the interlocking and locking the lock ring by rotation and formed with a plurality of latches formed in the outer circumferential direction along the circumferential direction, the lock consists of a plurality of first gear rotating about the same axis of rotation as the latch Located between the first gear portion and the first gear and the dial to reduce the rotational force of the dial. It characterized in that it comprises a stop gear portion consisting of a plurality of stop gear to be transmitted to one gear.

According to the disclosed contents, by blocking the gap between the dial and the body, there is a security effect that the third party can not see the internal main components from the outside.

In addition, it is possible to adjust the width of the key ring through various embodiments, there is an advantage that can be implemented in a slim form.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a view for explaining a conventional dial lock.
2 is a partially cutaway perspective view of the dial lock according to the first embodiment;
3 is an exploded view of the dial latch according to the first embodiment;
4 is an enlarged view of the first gear shown in FIG. 3.
5 is a perspective view showing the inside of the dial lock according to the second embodiment;
6 is an exemplary view showing an interlocking structure of the first gear and the dial shown in FIG.
7 is a partially cutaway perspective view of the dial lock according to the third embodiment;
8 is a perspective view showing a gear structure of the dial lock according to the fourth embodiment;

Hereinafter, a dial lock according to a preferred embodiment will be described in detail with reference to the accompanying drawings.

2 is a partially cutaway perspective view of the dial lock according to the first embodiment, FIG. 3 is an exploded view of the dial lock according to the first embodiment, and FIG. 4 is an enlarged view of the first gear shown in FIG.

2 to 4, the dial lock 100 according to the first embodiment includes a body 120, a dial part, a lock part, and a first gear part.

Body 120 is a configuration in which the first and second body (120-1, 120-2) is assembled to each other, one side of the inside of the body 120 is provided with a dial fixing part 124 for fixing the dial On the side, the locking portion is located parallel to the dial fixing portion 124. And the upper end of the body 120 is formed a ring insertion hole (120a) is inserted into the lock ring 132 portion of the lock ring 130, and the ring inlet hole (120b) is drawn in the fixed ring 134 do.

The dial part is composed of a plurality of dials 180 are arranged up and down around the fixing pin 182 provided in the dial fixing part 124, three to four dials 180 for proper combination of numbers when setting a password Is preferred.

The dial 180 has a hollow 180a formed at the center thereof so that the fixing pin 182 is inserted therein, and a plurality of gear grooves 180b formed at the outer circumferential surface thereof so as to be engaged with the outer protrusion 162 of the first gear 160 to be described later. do. Here, the number of gear grooves 180b is preferably made of 10 assuming that the numbers 0 to 9 are engraved on the dial.

The locking part locks / unlocks the lock 100 in a configuration including the locking ring 132 and the latch 140.

The locking part is located at the other side of the body 120, that is, the opposite side of the dial 180, and rotates in conjunction with the dial 180. In the conventional case, since the dial 180 was operated based on the same axis as the chuck 140, which is a component of the locking part, the locking part and the dial part were integrally formed on one side of the body 120, but the embodiments described below are the locking part. The and dials operate on different axes.

Accordingly, the outer protrusion 140a of the clasp 140 may be completely covered by the body 120 to solve the problem of complementary dial portion. In addition, since there is no need to add a device such as an auxiliary lock separately, there is an advantage of low manufacturing cost.

The lock ring 130 has a lock ring 132, which is a portion inserted into the center of the latch 140, and a lock ring 134 fixed to the inlet hole 120b of the body 120 when the lock 140 is locked. It is made, including, the locking projection (1322) is formed on the outer circumferential surface of the locking projection 132a in the longitudinal direction.

The clasp 140 is formed in a cylindrical shape and corresponds to the number of dials.

In addition, the clasp 140 is the lock ring 132 is interpolated and locks or releases the lock ring 132 by rotation. To this end, a groove (not shown) corresponding to the protrusion of the locking ring is formed in the longitudinal direction on the inner circumferential surface thereof, and an outer protrusion 140a is formed along the circumferential direction on the outer circumferential surface thereof. Hereinafter, since the operation method of the locking unit is based on a conventionally known technique, a detailed description thereof will be omitted.

The first gear portion is composed of a plurality of first gears 160, the rotation axis of which is made to coincide with the rotation axis of the latch 140 and parallel to the rotation axis of the dial 180.

To this end, the first gear 160 is made of a hollow disk, a plurality of inner projections 164 are formed on the inner circumferential surface to be engaged with the outer projection 140a of the latch 140 and the gear of the dial 180 on the outer circumferential surface A plurality of outer protrusions 162 are formed to engage the grooves 180b. With this configuration, when the dial 180 rotates, the first gear 160 is interlocked to rotate, and the latch 140 on the same rotation axis as the first gear 160 also meshes with the first gear 160 to rotate. do.

FIG. 5 is a perspective view showing the inside of the dial lock according to the second embodiment, and FIG. 6 is an exemplary view showing a linkage structure between the first gear and the dial shown in FIG. 5.

5 and 6, the dial lock 200 according to the second embodiment of the body 220, the dial portion consisting of a plurality of dials 280, the locking portion consisting of the latch 240 and the locking ring and , A first gear part including a plurality of first gears 260, and a dial upper gear 290 installed on an upper end surface of each dial 280. Here, the body 220 and the locking part is the same as in the first embodiment, detailed description thereof will be omitted.

In the first gear 260, as in the first embodiment, the inner protrusion 264 and the outer protrusion 262 are formed on each of the inner circumferential surface and the outer circumferential surface. However, unlike the first embodiment, the outer protrusion 262 of the first gear 260 is engaged with the upper gear 290 of the dial, not the dial 280, which has a difference.

The upper gear 290 of the dial has a shape of a disc, and a hollow 290a is formed therein, and an outer protrusion 292 is formed on an outer circumferential surface thereof. At this time, the fixing pin 282 of the dial 280 is inserted into the hollow 290a to form the same rotating shaft Z2 as the dial 280, and the outer protrusion 292 is the outside of the first gear 260. It is configured to interlock with the protrusion 262.

The upper gear 290 of the dial may be installed on the dial 280 by various methods. Preferably, the upper gear 290 of the dial may be tightly fixed by an adhesive bond to the upper surface of the dial 280 or may be manufactured integrally with the dial 280. In the example that the installation on the top surface of the dial 280, but is not limited to this may be installed on the bottom surface of the dial 280 according to the arrangement position of the latch 240 and the first gear 260. .

The upper gear 290 of the dial is configured in consideration of the volume of the body 220, and is made smaller than the diameter of the dial 280, and a part of the rotation range of the first gear 260 and the upper edge of the dial 280 Overlap. Accordingly, as shown in FIG. 6, the diameter of the first gear 260 may also be relatively reduced to be smaller than the diameter of the dial.

In the first embodiment, the first gear 160 is directly engaged with the dial 180, so that the first gear 160 is largely manufactured. However, in the second embodiment, the body 220 is caused by the dial upper gear 290. ), The volume of the entire body is reduced, so that the dial lock 200 can be implemented in a slimmer form.

Fig. 7 is a partially cutaway perspective view of the dial lock according to the third embodiment, and Fig. 8 is a perspective view showing the gear structure of the dial lock according to the fourth embodiment.

Referring to FIG. 7, the dial locks 300 and 400 according to the third and fourth embodiments may include a body 320 and 420, a dial part including a plurality of dials 380 and 480, and latches 340 and 440. ) And a locking portion consisting of a locking ring, a first gear portion consisting of a plurality of first gears 360 and 460, and a stop gear portion. In the case of the third and fourth embodiments, redundant description of the bodies 320 and 420, the dial part, and the locking part is omitted since the stop gear part is further included in the first embodiment.

On both sides of the body (320, 420), as in the first embodiment, the dial portion and the locking portion is located on both sides, the interruption gear fixing portion (not shown) so that the plurality of stop gears (370, 470) is rotatably fixed to the interruption portion ) Is provided. Accordingly, the transverse lengths of the bodies 320 and 420 in the drawing are increased more than in the first and second embodiments, and the width of the lock rings 330 and 430 is also increased.

The stop gear part is composed of a plurality of stop gears 370 and 470, and each stop gear 370 and 470 is positioned between the first gear 360 and 460 and the dials 380 and 480 and the dials 380 and 480. It serves to transmit the rotational force of) to the first gear (360, 460).

Hollows 370a and 470a are formed in the center of the stop gears 370 and 470 so that fixing pins 372 and 472 rotatably fixing the stop gears 370 and 470 are formed. A plurality of external protrusions 370b and 470b are formed to interlock with each other.

The dial lock 300 of the third embodiment is configured such that the outer projection 370b of the stop gear 370 meshes directly with the gear groove 380b of the dial 380, as shown in FIG. Accordingly, the rotational force of the dial 380 is transmitted to the first gear 360 via the stop gear 370.

As shown in FIG. 8, the dial lock 400 of the fourth embodiment is provided with a dial top gear 490 interlocked with the dial 480 and engaged with the stop gear 470 on the top surface of the dial 480. The outer protrusion 470b of the middle gear 470 is engaged with the outer protrusion 492 of the upper gear 490.

Here, the dial upper gear 490 is formed smaller than the diameter of the dial, similarly to the second embodiment. As a result, a part of the rotation range of the stop gear 470 overlaps the upper edge of the dial 480, and the diameters of the first gear 460 and the stop gear 480 may also be smaller than the diameter of the dial 480.

As the dial lock of the fourth embodiment includes the stop gear 480 and the dial top gear 490, the thickness of the body 420 becomes thin and the transverse length thereof increases. Therefore, the fourth embodiment has an advantage of having a wide key ring and a slim shape.

100, 200, 300, 400: Dial lock 120: Body
130: lock ring 132: lock ring
140: latch 160: first gear
180: dial 290, 490: top gear
370, 470: middle gear

Claims (10)

A dial lock comprising a body which is assembled, a dial part which is fixed to a dial fixing part provided at one side of the body, the dial part comprising a plurality of dials, and a lock part which locks / unlocks a lock.
The lock portion is located on the other side of the inside of the body in parallel with the dial fixing portion to lock / unlock the lock as it rotates in conjunction with the dial,
The locking portion, the locking ring is formed to be spaced apart in the longitudinal direction on the outer circumferential surface, the locking ring is interpolated and the locking ring is constrained or released by rotation and the outer circumferential surface formed in the circumferential direction a plurality of Including braces,
The lock is a dial lock, characterized in that further comprises a first gear portion consisting of a plurality of first gear to rotate about the same axis of rotation and rotated by the rotation of the dial. delete The method of claim 1,
Dial lock, characterized in that the inner circumferential surface of the first gear is formed with a plurality of inner projections to engage the outer projection of the latch. The method of claim 1,
A plurality of outer projections are formed on the outer circumferential surface of the first gear, A plurality of dial gear grooves are formed on the outer circumferential surface of the dial to engage with the outer projection of the first gear. The method of claim 1,
And a dial upper gear interlocked with the dial and engaged with the first gear on an upper surface of the dial. The method of claim 5,
And the diameter of the first gear and the upper gear is smaller than the dial. A dial lock comprising a body which is assembled, a dial part which is fixed to a dial fixing part provided at one side of the body, the dial part comprising a plurality of dials, and a lock part which locks / unlocks a lock.
The lock portion is located on the other side of the inside of the body parallel to the dial fixing portion to lock / unlock the lock as it rotates in conjunction with the dial, and the lock ring is provided on the outer circumferential surface spaced apart from the locking projections, The locking ring is interpolated and includes a plurality of latches formed to constrain or release the locking ring by rotation and the outer projection along the circumferential direction on the outer circumferential surface,
The lock may include a first gear part including a plurality of first gears rotating about the same rotation axis as the latch and positioned between the first gear and the dial to transmit rotational force of the dial to the first gear. A dial lock comprising a stop gear portion comprising a plurality of stop gears. The method of claim 7, wherein
A hollow is formed in the center portion of the stop gear to the fixing pin is inserted, the outer peripheral surface dial lock, characterized in that a plurality of outer projections are formed to interlock with the first gear and the dial. The method of claim 7, wherein
And a dial upper gear interlocked with the dial and engaged with the stop gear on an upper surface of the dial. The method of claim 9,
And the diameter of the first gear, the middle gear and the upper gear is smaller than the dial.

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