KR102313629B1 - 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 the hole of the housing; a lock rod (3) provided in the housing, coming into contact with the key bundle at one end to be longitudinally movable to lock and release positions, and having protruding keys (31); and dials (4) rotatably mounted on the lock rod (3), movable to a position of engagement with the protruding key (31) of the lock rod and an engagement release position, and having a number formed on the outer peripheral surface thereof. The dial lock further includes: an operating member (8) disposed so as to longitudinally move toward one end of the lock rod in conjunction with the rotation of the key bundle; and a dial adjusting member (9) provided on the front side of the operating member (8) and elastically and spirally rotating upward in conjunction with the movement of the operating member (8). The dial adjusting member (9) includes, by the dial count, a rod-shaped body (91), a number fixing portion (92) curved and extending in an arc shape toward the dial on the upper side of the body, engaging with an uneven portion (42) of the dial (4) at an end, and fixing the dial number position; and a number changing portion (93) extending downward from the body (91) and rotating the dial to change the number. According to the present invention, the dial number is automatically rearranged when a user rotates a lever after use, and thus key number exposure does not occur and safety and convenience of use can be improved.

Description

Dial Lock {DIAL LOCK}

The present invention relates to a dial locking device, in particular in a dial locking device that is unlocked when the dials are arranged with a preset password, and 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 that the dial locking device includes 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 in a state rotatably provided within a certain angular range inside the dial key housing The formed key body and an operation lever installed so as to be lifted up and down in association with the rotational operation of the key body; Doedoe flowing in the horizontal direction in interlocking with the lifting operation of the operation lever, a pin support having a check pin insertable into an insertion groove formed in the inner rotating body is coupled to the tip end, and the check pin is pressed with an elastic force in the pin support member 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 locking device installed in the locker match, rotates the lever to unlock the lock, puts the item to be stored, and 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 locker with the door closed, the dials are often moved without rearranging the dials due to the user's carelessness, and as a result, theft of items frequently occurs, and improvement measures are required.

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. According to the rotation of the door lever for the user to close the locker after use, the locker is rotated by a pusher that is moved in conjunction with the rotation of the key bundle connected to the door lever. As each of the dials connected to the cam member is arbitrarily rotated and rearranged as the operating member rotates the cam member, the password is not exposed even if the user does not inadvertently rearrange the dials to improve safety and convenience. It is to provide a dial lock of the structure.

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 movable in the longitudinal direction to a locking position and a releasing position and having a plurality of protruding keys formed thereon, rotatably mounted on the locking rod and movable to a position engaged with the protruding key of the locking rod and a disengaged position, and on the outer peripheral surface from 0 to A dial lock having a plurality of dials in which numbers up to 9 are formed, the dial lock comprising:

an operating member arranged to move in the longitudinal direction toward one end of the lock rod in interlocking with the rotation of the key bundle, and provided on the front side of the operating member to elastically rotate upward spirally in conjunction with the movement of the operating member It further comprises a dial adjustment member,

The dial adjusting member includes a rod-shaped body, a number fixing part that is curved and extended toward the dial in an arc shape from the upper side of the body, the end of which is engaged with the concave-convex part of the dial to fix the dial number position, and the body ( 91) extends downward to rotate the dial to include as many number changing units as the number of dials, respectively.

The operation member has a groove formed on the inner surface opposite to the protrusion of the key bundle on the inner surface thereof, the groove is formed by having an open upper portion and a step formed at the lower side, and a protrusion formed on the outer peripheral surface when the key bundle is rotated An elastically protruding locking member is provided in the groove so that the operating member is moved by being caught in the groove, and the other end of the locking member can be rotated around one end by a rotation pin provided with a spring at the bottom of the groove of the operating member. it is installed

The operation member is formed with a plurality of cam portions identical to the dial formed by protruding from the inner surface thereof, and each of the cam portions is inclined downward in the opposite direction from the key bundle, and the protruding upper end of the cam portion is higher than the lower. It is configured to rearrange the number by rotating the dial by elastically rotating and returning the dial adjusting member formed low and provided with a torsion spring during movement and return in an upward spiral.

Each of the plurality of cam portions protruding inward from the operation member is inclined downward in the opposite direction from the key bundle side to rotate the dial adjusting member upward spirally when the operation member is moved, and the protruding upper end of the cam portion is The upper side is formed lower than the lower side.

A cam member having a cam portion formed on the other side of each dial is coupled to the dial, and the dial is rotated together with the cam member by the number changing unit to rearrange the numbers.

In the dial locking device according to the present invention, the user opens the door by rotating the lever of the locker, puts the 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 is locked. 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. ), 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 apart ribs formed on the bottom, and is rotatably mounted in a hole of the housing and is not shown in the drawings. A key bundle (2) connected to a locking 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 locking position and an unlocking 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 clasp is rotated to the lock position and the 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, A radius of the inner surface of the concave-convex portion 42 is larger than that of the hole 41 , and a concave-convex locking jaw 43 protrudes inward in the radial direction on the inner surface of the concave-convex portion. 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 engaging 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 protrusion key 31 formed in the lock rod 3 can pass therethrough.

In addition, a cam member 6 having a cam portion 62 protruding from the outer surface of the circular plate having a through hole 61 is provided in the recess 44 formed on the other side of the dial 4, and the cam member ( 6) The engaging protrusions 63 are formed on the outer circumferential surface of the dial 4 to be engaged with the engaging groove 45 when inserted into the concave groove 44 of the dial 4, so that when the cam member 6 rotates, the dial rotates together. In addition, a groove 65 is formed in 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 to be movable 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 in 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 expanded 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 on 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 an elastic force is applied downward 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 at the tip 71 adjacent to the key bundle, and the tip 71 adjacent to the key bundle is provided. is formed as a protrusion of which both sides are inclined surfaces, 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 easy to 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 is not rotated and is in 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 peripheral 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 82 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 operation 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 operation 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 actuating 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 formed 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 the key bundle is moved by 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 92 for fixing the dial number position by engaging with the uneven part 42 of and a number change unit 93 disposed in contact with the cam portion 62 of 6) to rotate the dial when the dial adjustment member 9 is operated to change the number. The number fixing unit 92 and the number changing unit 93 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 92 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, as the operating member 8 moves by the protrusion 27 by the rotation of the key bundle, the dial adjusting member 9 rotates in an upward spiral. The fixed part 92 rises so that the dial can be rotated, and at the same time, the number change part 93 extending downward of the body 91 is rotated upwardly in a state of contact with the cam part 62 and is rotated by a spring. The cam member 6 is rotated by the elastic return rotation to the original position by the rotation, so that the dial coupled to the cam member is eventually rotated, so that the dial number is arbitrarily changed.

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 the form of a parallelogram from the outer surface of the cam member 6 in the form of a disk, and the corner portions are curved in the form of an arc, and the number change portion 93 is located downward. 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 adjusting member 9 rotates upward spirally by the operation member 8, the number change unit 93 is also rotated upwardly spirally while being pressed into close contact with the edge of the cam part 62 and together. In the rotated state, when the operation member 8 is returned to its original position, the dial adjusting member 9 is the cam portion in close contact with the upper surface as the number changing part 93 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 number of the plurality of dials is changed, and as the cam portion 62 in contact with the number change unit 93 rotates elastically by rotation by the elastic restoring force of the torsion spring of the dial adjustment member 9, the cam As the rotations of the cam member 6 and the dial 4 of the portion 62 show minute differences, 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. and reduce the manufacturing cost.

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 as not to expose it.

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

Claims (5)

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 locking rod 3 having a plurality of protruding keys 31 formed thereon, rotatably mounted on the locking rod 3 and movable to a position engaged with the protruding key 31 of the locking rod and a disengaged position, and 0 on the outer circumferential surface A dial lock having a plurality of dials (4) in which numbers from to 9 are formed,
An operating member 8 arranged to move in the longitudinal direction toward one end of the lock rod in association with the rotation of the key bundle, and provided on the front side of the operating member 8 to interlock with the movement of the operating member 8 Further comprising a dial adjustment member (9) adapted to rotate elastically in an upward spiral,
The dial adjustment member 9 has a rod-shaped body 91, curved from the upper side of the body toward the dial in an arc shape, and extended, and its end is engaged with the concave-convex portion 42 of the dial 4 to provide a dial number. A dial, characterized in that it includes a number fixing part 92 for fixing the position, and a number changing part 93 extending downward from the body 91 and rotating the dial to change the number by the number of dials, respectively. lock.
The method of claim 1,
The operation member 8 has a groove 82 formed on its inner surface opposite to the protrusion 27 of the key bundle 2 on its inner surface, and the groove 82 has an open upper portion and a stepped lower side. An elastically protruding locking member 83 is provided in the groove 82 so that the operating member 8 is moved by being caught by the protrusion 27 formed on the outer circumferential surface when the key bundle 2 is rotated. , the locking member (83) is a dial, characterized in that the other end is rotatably mounted around one end by a rotation pin (84) provided with a spring on the bottom of the groove (82) of the operation member (8) lock.
The method of claim 1,
The operation member 8 is formed with a plurality of cam parts 81 identical to the dial formed by protruding from the inner surface thereof, and each of the cam parts 81 is inclined downward in the opposite direction from the key bundle side and the cam part. The protruding upper part of the upper part is formed lower than the lower part, so that the dial adjustment member 9 provided with a torsion spring during movement and return is elastically rotated and returned in an upward spiral to rotate the dial to rearrange the numbers. Dial lock, characterized in that.
4. The method of claim 3,
Each of the plurality of cam portions 81 protruding inward from the operation member 8 is inclined downward in the opposite direction from the key member to rotate the dial adjusting member 9 upward spirally when the operation member is moved. A dial locking device, characterized in that the upper side of the protruding upper end of the cam portion is formed lower than the lower side.
5. The method according to any one of claims 1 to 4,
On the other side of each dial 4, a cam member 6 having a cam portion 62 is coupled to the dial, and the dial rotates together with the cam member by the number change unit 93 to rearrange the numbers. Dial locking device, characterized in that the reading.

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