KR102336956B1 - Dial lock - Google Patents

Abstract

The present invention relates to a dial lock including a housing (1), a key bundle (2) connected to a lock clasp rotatably mounted in a hole of the housing; a lock rod (3) provided in the housing, having one end in contact with the key bundle to be movable in the longitudinal direction to the locking position and the unlocking position, and having a plurality of protrusion keys (31) formed therein, and a plurality of dials (4) rotatably mounted on the lock rod (3), moving to a position engaged with the protrusion key (31) of the lock rod and a disengagement position, and having numbers 0 to 9 formed on the outer circumferential surface and further including a dial adjusting member (9) elastically rotating upward spirally in association with the movement of an operation member (8) arranged to move in the longitudinal direction toward one end of the lock rod in conjunction with the rotation of the key bundle and a cam member (6) coupled to the other side of the dial (4) and rotated by the dial adjusting member (9) to rotate the dial (4) and rearrange the numbers. Therefore, when the user rotates a lever after use, a dial number is automatically rearranged, so there is no fear of exposing a key number, which improves safety and ease of use.

Description

Dial lock {DIAL LOCK}

The present invention relates to a dial locking device, in particular in a dial locking device that unlocks when the dials are arranged with a preset password, and is locked when the dials are not arranged with a password, in which a user, for example When you close the door and rotate the lever without accidentally rearranging the passwords of the dials after arranging the passwords of the locker's dial lock, the problem of theft is prevented by automatically rearranging the dials randomly. It relates to a dial lock having an improved structure to prevent it.

In general, the dial lock is unlocked when the passwords are matched by rotating the dials to rotate the lever to open the door of the locker, for example.

As an example of such a dial locking device, Korean Patent Registration No. 10-2145714 (registration date of August 12, 2020) discloses a dial locking device including a housing mounted on a door, rotatably provided in the housing, and the rotation direction A locking operation unit that locks or unlocks the locker according to Disclosed is a dial locking device for a locker configured to include a setting restoration unit that restores the dial bundle to a set password using a master key when the password of the dial bundle is forgotten in a state where the password is forgotten.

As another example, in Korean Utility Model Publication No. 20-2009-0010702 (published on October 21, 2009), a keyway for inserting a master key in the center while being rotatably provided within a dial key housing within a certain angle range The formed key body and an operation lever installed so as to be lifted up and down in association with the rotation operation of the key body; A pin support member configured to flow in the horizontal direction in conjunction with the lifting operation of the operation lever, and configured to be inserted into an insertion groove formed in the inner rotating body at the tip end thereof, and the check pin in the pin support member to be pressed with an elastic force Disclosed is a dial key type locking device that is easy to confirm password configured by mounting a supporting pressure spring.

In such a conventional dial lock, the user makes the passwords of the dials of the lock installed in the locker match, rotates the lever to unlock, puts the item to be stored, then closes the door, and sets the dials arbitrarily so that there is no fear of theft. It must be rotated to disturb the arrangement of the dial passwords, but

In a state where an item is placed in a locker and the door is closed, the dials are frequently moved without rearranging due to the user's carelessness.

Korean Patent Registration No. 10-2145714 (Registration Date August 12, 2020) Korean Utility Model Publication No. 20-2009-0010702 (published on October 21, 2009)

An object of the present invention is to solve the problems with the conventional dial locking device described above by using an operating member that moves according to the rotation of a key bundle connected to the door lever according to the rotation of the door lever for the user to close the locker after use. By allowing the adjusting member to rotate upward spirally to arbitrarily rotate the dials, the password is not exposed even if the user does not inadvertently rearrange the dials, thereby improving safety and convenience, and simplifying the structure to provide an improved dial lock. will provide

In order to achieve the above object, a dial locking device according to the present invention includes a housing, a key bundle connected to a lock clasp rotatably mounted in a hole of the housing, and provided within the housing so that one end is in contact with the key bundle. A locking rod having a plurality of protruding keys, movable in the longitudinal direction to a locking position and a releasing position, rotatably mounted on the locking rod and movable to a position engaged with the protruding key of the locking rod and a disengaging position, A dial locking device having a plurality of dials having a number up to 9, elastically in an upward spiral in response to movement of an operation member arranged to move in a direction away from the key bundle by interlocking with the rotation of the key bundle It is configured to further include a dial adjusting member adapted to rotate and a cam member coupled to the other side of the dial to rotate the dial by the dial adjusting member to rearrange the numbers.

The cam member has a disk shape having a through hole for a locking rod formed thereon, and engaging projections are formed on its outer circumferential surface so that it is engaged with the engaging groove when inserted into the groove formed on the other side of the dial so that the dial rotates when the cam member rotates.

The cam member has a cam portion which protrudes in a parallelogram shape from an outer surface thereof and is formed by curved corner portions thereof in an arc shape.

The dial adjusting member includes a number change part disposed in contact with the cam part of the cam member, the lower end extending downward from the lower side of the rod-shaped body being curved upward, and rotating in an upward spiral of the body. When returning and rotating the cam member and the dial together to rearrange the dial number, the edge of the cam portion is in contact with the curved lower end of the number changing unit.

In the dial locking device according to the present invention, the user opens the door by rotating the lever of the locker, puts an item in the locker, and closes the door by turning the lever, even if the user forgets to rearrange the dial numbers and moves the door When the lever is rotated to close it, the dial number is automatically rearranged so that there is no fear of the key number being exposed, so safety and convenience are improved, and the dial adjusting member 9 is the key bundle 2 and the operating member 8 ), it has the effect of reducing parts, lowering the failure rate, and lowering the manufacturing cost by simplifying the structure to interlock with each other.

1 is a perspective view of a state in which the cover is removed from the dial lock according to the present invention.
Figure 2 is a schematic exploded perspective view of the dial lock of Figure 1;
3 is a schematic exploded perspective view of the dial of FIG. 2, an operating lever, and a dial adjusting member;
Fig. 4 is a perspective view of the dial of Fig. 3 viewed from the opposite side;
Figure 5 is a perspective view of the operation lever of Figure 2;
FIG. 6 is a view showing an action of rotating a cam member provided on the dial to rotate the dial by the number changing unit of the dial adjusting member in FIG. 3;

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings showing an embodiment of a dial locking device according to the present invention.

The dial lock of the present invention, as shown in FIGS. 1 to 4, basically includes a housing 1 having a plurality of spaced ribs formed on the bottom thereof, and is rotatably mounted in a hole of the housing and is not shown in the drawings. A key bundle (2) connected to a lock clasp, a lock rod (3) provided in the housing and having one end in contact with the key bundle, movable in the longitudinal direction to a lock position and a release position, and provided with a plurality of protruding keys (31); It is rotatably mounted on the lock rod (3) and includes a plurality of dials (4) movable to a position engaged with the protrusion key (31) of the lock rod and a position to release the engagement, and the key bundle (2) is not shown in the drawing. The illustrated door lever is connected, and when the door lever is rotated, the lock latch is rotated to the lock position and unlock position together with the key bundle to open and close the door of the locker, for example. omit

According to the present invention, the dial 4 has numbers 0 to 9 formed on its outer circumferential surface, and a concave-convex portion 42 protruding outward in a ring shape adjacent to the through hole 41 on one side thereof is formed, The radius of the inner surface of the concave-convex portion 42 is formed to be larger than that of the hole 41, and on the inner surface of the concave-convex portion, a locking jaw 43 in the form of concavo-convex protrudes inward in the radial direction. A groove 44 is formed on the other side of the dial 4, and a plurality of grooves 44 are formed on the wall surface of the groove 44, and in the illustrated embodiment, three coupling grooves 45 are formed.

An insertion portion 51 to be inserted through the inside of the concave-convex portion 42 formed on one side of the dial 4 is formed, and the stepped portion 52 has a larger diameter than the insertion portion and is seated on the engaging projection 43 . ) is provided with an annular spacer 5 , and the stepped portion 52 of the spacer 5 has engaging projections 53 that protrude toward the insertion portion 51 and engage with the concavo-convex shape of the locking projection 43 . is formed In addition, a groove 56 is formed in the inner surface of the through hole of the spacer 5 so that the protruding key 31 formed in the lock rod 3 can pass therethrough.

In addition, in the recess 44 formed on the other side of the dial 4, a cam member 6 having a cam portion 62 protruding from the outer surface of the disk having a through hole 61 for the lock rod 3 is formed therein. Provided, since engaging projections 63 are formed on the outer circumferential surface of the cam member 6 to engage the engaging groove 45 when inserted into the recess 44 of the dial 4, when the cam member 6 rotates, the dial will rotate together. In addition, a groove 65 is formed on the inner circumferential surface of the through hole 61 of the cam member 6 to allow the protrusion key 31 formed in the lock rod 3 to pass therethrough.

As described above, a plurality of sets of the spacers 5 and the cam members 6 on both sides of the dial 4 are mounted on the lock rod 3 as one set, and in the illustrated embodiment, four sets are mounted. A rectangular holder member (7) is provided for accommodating the sets of the dial (4), spacer (5) and cam member (6) without disengagement from the locking rod (3), the holder member (7) ), the lock rod 3 is provided movably in the longitudinal direction through the holes formed in the central portion of both sides thereof, and the tip 71 adjacent to the key bundle is formed as a protrusion having inclined surfaces on both sides.

One end of the locking rod 3 is rotatably mounted in a hole formed in the outer wall of the housing, while the other end protrudes through the center of the side of the holder member 7 .

A horizontal groove 23 extending in the outer circumferential direction is formed on the side surface of the key bundle 2 , while a vertical groove 24 is also formed on the side surface of the key bundle 2 in a direction perpendicular to the horizontal groove 23 . A cam member 26 is provided to elastically block the horizontal groove 23 by providing a spring 25 on the upper side of the vertical groove 24 and elastically movable up and down by the spring. do. The lower end of the vertical groove 24 has an expanded width, and the extended portion of the cam member 26 is inserted so that the cam member can move up and down without being separated from the vertical groove, and the front of the cam member A cam portion 27 in the form of a right-angled triangle having one side inclined downward and the other side being vertical is formed. The spring 25 is held in place by the protrusion formed downward from the upper end of the vertical groove 24 and the protrusion formed upward from the upper surface of the cam member 26 , and a downward elastic force is applied to the cam member 26 . make it

The lock rod 3 is provided movably in the longitudinal direction through holes formed in the central portions on both sides of the holder member 7 elastically at the front end 71 adjacent to the key bundle, and the leading end 71 adjacent to the key bundle. is formed as a protrusion with inclined surfaces on both sides, and the distal end of the locking rod 3 is disposed to protrude from the distal end 71 of the holder member. In addition, one side of the tip of the locking rod is formed with an inclined surface, so that after riding over the cam part 27, it is possible to easily ride and pass from the opposite side of the cam part 27 when the key bundle is rotated.

The other end of the locking rod (3) is disposed in the horizontal groove (23) of the key bundle (2), so that when the key bundle (2) rotates, it comes into contact with the inclined surface of the cam member (26) so that the cam member is located on the upper side of the lock rod (3). As the provided spring is compressed, it elastically moves to the upper side of the vertical groove 24 , the horizontal groove 23 is opened, and then the other end of the lock rod 3 comes into contact with the vertical surface of the cam member 26 . As described above, in a state in which the other end of the locking rod 3 is in contact with the vertical surface of the cam member 26, the key bundle 2 does not rotate and becomes a locked state.

At this time, when the user inserts the key into the key groove of the key bundle 2 and rotates it, one end of the lock rod is formed from the upper side of one side of the holder member 7 by the protrusion 27 formed to protrude outward in the radial direction on the outer circumferential surface of the key bundle 2 . to elastically move the actuating member 8 in the longitudinal direction toward

As shown in FIG. 5 , the operation member 8 has a plurality of cam portions 81 identical to the dial formed on its inner surface, and a groove on the inner surface opposite to the protrusion 27 of the key bundle 2 . 82 is formed, and the groove 82 formed on the inner surface of the operation member has an open upper portion and a step formed on the lower side, and is caught by the protrusion 27 when the key bundle 2 rotates. An elastically protruding locking member 83 is provided in the groove 72 so that (8) moves.

The locking member 83 is rotatably mounted at the other end of the actuating member 8 around one end by a rotation pin 84 provided with a spring at the bottom of the groove 82, and the locking member 83 ), a groove is formed on the rear side, and a protrusion is formed on the sidewall of the opposite groove 82 , and the other end of the normally engaging member 83 is maintained in a state protruding outward from the groove 82 .

When the key bundle 2 is rotated with this structure, the protrusion 27 on its side is caught on the side of the locking member 83 and pushes the locking member, so that the operating member 8 is moved away from the key bundle. , The protrusion 27 has an inclined surface in the direction of rotation, so when the locking member 83 is pushed, the locking member is pushed in close contact with the groove 82 formed in the operating member 8 elastically by a spring, The protrusion 27 easily rides over the locking member so that the rotation of the key bundle is not obstructed. In addition, a spring is provided at the opposite end of the key bundle between the housing 1 and the wall so that the operating member 8 moves in the direction away from the key bundle by the protrusion 27 according to the rotation of the key bundle. It is elastically moved to the original position by the spring provided at the end.

Each of the plurality of cam parts 81 protruding inward from the operation member 8 is inclined downward in the opposite direction from the key bundle, and the protruding upper end of the cam is lower than the lower.

The operation member 8 has a dial adjustment member 9 that rotates upwardly spirally by interlocking with the cam portion 81 when moving by the rotation of the key bundle to arbitrarily rotate the dials. provided on the side.

As shown in FIGS. 3 and 6, the dial adjusting member 9 has a rod-shaped body 91, and is curved and extended toward the dial in an arc shape from the upper side of the body, and the end of the dial 4 is A number fixing part 91 for fixing the position of the dial number by engaging with the uneven part 42 of 6) includes a number change unit 92 disposed in contact with the cam portion 62 to rotate the dial during operation of the dial adjustment member 9 to change the number. The number fixing unit 91 and the number changing unit 92 are respectively formed by the number of dials.

The dial adjusting member 9 is provided at an end adjacent to the inner wall of the housing, and the number fixing part 91 is engaged with the unevenness formed on the dial by a torsion spring at the free end contacting the cover of the housing, so that the dial number is fixed. When the user operates the lever, the dial adjusting member 9 rotates upward spirally as the operating member 8 moves by the protrusion 27 due to the rotation of the key bundle. The fixed part 91 rises so that the dial can be rotated, and at the same time, the number change part 92 extending to the lower side of the body 91 rotates upward spirally and in a spring in contact with the cam part 62 . The cam member 6 is rotated by the elastic return rotation to its original position by the

When the user operates the lever to open the door and then rotates the lever back to the original position, when the key bundle 2 returns to its original position, the operating member 8 also returns to its original position with a spring provided at its end, and, together with the dial The number is rearranged while the dial rotates while the adjustment member 9 is also returned to its original position by the elastic restoring force of the torsion spring provided at the end thereof.

That is, the cam portion 62 protrudes in a parallelogram shape from the outer surface of the cam member 6 in the form of a disk, and the corner portions are curved in an arc shape. The lower end extending to the upper end is curved upward to be in contact with the edge portions of the cam portion (62). In this state, when the dial adjustment member 9 rotates upward spirally by the operation member 8, the number change unit 92 also rotates upwardly spirally and pressurizes with the edge of the cam portion 62 to be in close contact with it. In the rotated state, when the operating member 8 is returned to its original position, the dial adjusting member 9 is the cam part in close contact with the upper surface as the number changing part 92 returns and rotates by the elastic restoring force of the torsion spring. (62) rotates in the opposite direction together with the cam member, and the dial coupled with the cam member rotates elastically, and the dial number is arbitrarily changed. In this way, the numbers of the plurality of dials are changed, and as the cam part 62 in contact with the number changing part 92 rotates elastically by rotation by the elastic restoring force of the torsion spring of the dial adjusting member 9, the cam As the rotation of the cam member 6 and the dial 4 of the portion 62 shows a minute difference, the rotation angles of the dials are all different, so that the dial numbers are rearranged arbitrarily.

As described above, when the user opens the door by rotating the lever of the locker, for example, puts an item in the locker, and closes the door by turning the lever, even if the user forgets to rearrange the numbers on the dial and moves, the lever is used to close the door. When rotating, dial numbers are automatically rearranged so that there is no fear of exposing key numbers, improving usability and simplifying the structure in which the dial adjustment member 9 interlocks with the key bundle and the operating members to reduce parts. savings and lowering manufacturing costs.

The present invention can be used to automatically rearrange the password arrangement of the dial in a dial locking device such as a locker so that it is not exposed.

1 : Housing 2 : Key bundle
3: lock rod 4: dial
6 ; Cam member 8: operation member
9: Dial adjusting member

Claims (4)

A housing (1) and a key bundle (2) connected to a locking clasp rotatably mounted in the hole of the housing, provided in the housing and having one end in contact with the key bundle, is movable in the longitudinal direction to the locking position and the unlocking position and a lock rod 3 having a plurality of protruding keys 31 formed thereon, which is rotatably mounted on the lock rod 3 and is movable to a position engaged with the protrusion key 31 of the lock rod and a disengagement position, and has 0 on the outer circumferential surface. A dial lock having a plurality of dials (4) in which numbers from to 9 are formed,
The dial adjusting member 9 and the dial 4 are adapted to elastically rotate upward spirally in association with the movement of the operation member 8 arranged to move in the direction away from the key bundle in conjunction with the rotation of the key bundle and a cam member (6) coupled to the other side of the dial adjusting member (9) to rotate the dial (4) to rearrange the numbers.
The method of claim 1,
The cam member 6 has a disk shape having a through hole 61 for the lock rod 3 formed thereon, and coupling protrusions 63 are formed on its outer circumferential surface when inserted into the recess 44 formed on the other side of the dial 4 . A dial locking device, characterized in that the dial is rotated together when the cam member (6) is rotated by being engaged with the coupling groove (45).
3. The method of claim 2,
The dial locking device according to claim 1, wherein the cam member (6) has a cam portion (62) protruding from its outer surface in a parallelogram shape and curved at its corners in an arc shape.
4. The method according to any one of claims 1 to 3,
The dial adjusting member 9 has a lower end extending downward from the lower side of the rod-shaped body 91 is curved upward, and the number change is arranged in contact with the cam portion 62 of the cam member 6 . and a portion 92, wherein the cam portion 62 rotates the cam member 6 and the dial 4 together to rearrange the dial number when the body 91 rotates and returns in an upward spiral. The dial locking device, characterized in that the corner portion is in contact with the curved lower end of the number change unit (92).

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