KR101432948B1 - Locking Device of Personal Case - Google Patents

Abstract

The present invention relates to a locking device of a flush type personal case which is integrated with a locking device, a handle, and a name badge. More specifically, locking by an integrated lock is possible without using an external lock. In case of losing a key, a master key can open a door. As needed, the integrated lock is separable to be replaced.

Description

{Locking Device of Personal Case}

The present invention relates to a lock-type locker with a locking device, a handle and a nameplate integrally formed therein and applied in a buried form. More particularly, the present invention relates to a lockable lock device which is capable of being locked by an integral lock without using an external lock, And can be freely opened and replaced by a lock integrally connected to the lock.

Lockers, handles, and badges are essential for lockers used in student lockers or multi-use facilities.

In case of general office furniture or household furniture, there are many cases in which locks and handles are applied in independent form. In this case, there is no particular limitation. However, in the case of a locker in the form of a protruding form in a student locker, As a matter of fact, safety accidents caused by protrusions are frequent. Because of this problem, student lockers are constructed as a flush type that does not expose locks and handles. They are integrally formed with a nameplate for convenience of use and management, and they are installed in a flush type.

The latching device according to Korean Utility Model Publication No. 1993-0006363 (1993.09.22) shown in FIG. 1A is a flush type integrally formed with a locking device and a handle. The latching device includes a flush type case 1 mounted on a door, A door handle plate 2 attached to the side wall 4 and a handle member 2 which is pulled by the case 1 for a predetermined length when the door handle plate 2 is taken out from the case 1, And a latch bar (11) for releasing the locking of the door with respect to the fixing frame.

1B shows a structure in which the name tag 17 is formed on the handle portion 10 by further developing the same and a structure in which a name tag 17 is formed on the handle portion 10, A fixing part 20 fixed to the back surface of the handle 10 and fixed in a state where the fixing piece 25 protrudes from the moving hole 23; A fixed plate 30 fixed to the bottom of the fixing part 20 and a piston 41 formed with a moving piece 43 moving in the cylinder part 32 provided on the fixed plate 30 Type grip which can be locked with an outer lock by using the moving piece 43 and the fixing piece 25 formed on the moving body 40 and the piston 41. [

The patent 10-09278999 (November 13, 2009) shown in FIG. 1C proposes a locker handle for improving the convenience of use by improving the ratchet structure shown in the above 1a and the fixing piece and moving piece structure shown in FIG. 1b.

These locking devices and the flush-type handle by the handle-integrated structure have advantages of minimizing the protrusion and high safety for use as a non-protruding structure and providing the convenience of use and maintenance as an integral structure and providing the advantage of using name tags together However, it is basically possible to use the external lock to finally lock it.

First, by using a moving piece moving in accordance with an operation of a ratchet or the like in a narrow space formed in the embedding main body and a method of hanging or separating an outer lock (U-shaped lock) into a lock hole formed in a fixed piece fixed to the main body, There is a disadvantage that it is inconvenient.

Second, after unlocking the lock, the lock must be separated from the main body and stored separately. In this process, the lock is frequently lost.

Third, it is very frequent that the lock is not removed after the key is lost or the grade is changed. In this case, since the lock is cut and dismantled every time, unnecessary work demand occurs and the cut lock can not be reused. There is a waste problem.

1D shows a locker lock device capable of opening the door without disassembling the lock device even when the lock key is lost by using the master key, In order to do this, it is necessary to cut and remove the lock, so it could not be a fundamental solution to the problems caused by the use of the external lock.

The present invention enables a lock by its own lock without using an external lock, thereby eliminating the inconvenience and loss inconvenience associated with the use of the lock in the flush-type handle, enabling the door to be opened by the master key when the key is lost, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a lock-up locker which can reduce the waste caused by cutting and unlocking the locks and reduce the repeated work demand every semester.

According to an aspect of the present invention, there is provided a door device comprising: a fixing plate attached to an inner surface of a door; a body coupled to the fixing plate and inserted into the hole of the door; A case configured by a cover that performs a knob function together; A shaft which is coupled to the case so as to be engaged with the lever in a state of being subjected to the elastic force of the spring; A catch coupled to the locker wall so as to open the door by retracting and separating by locking the door by engaging and locking the catch of the catcher by the elastic force of the spring; And a locking device for interrupting movement of the latch, the locking device comprising:
The lock device includes a stopper formed at the rear end of the catch of the catcher and configured to project from the catch upper surface by the spring force of the spring; The cylinder is passed through the case so that the keyhole is exposed to the outside of the cover of the case, the base is fastened and fixed to the case by the bolt,
When the key is inserted and turned, the protruding operation is locked by locking the protruding stopper when the side of the latch is at the maximum advancing state by moving the latch in a direction perpendicular to the latch, and when the key is turned in the opposite direction, And a lock,
The end portion of the customized rotation path is formed directly above the stopper protruded when the latch is in its fully advanced state, And a lock releasing device for releasing the lock by releasing the protruded stopper by pushing the key when the key reaches the distal end by inserting the master key.

The present invention can be attached to a door without an external projection by a buried case so that students can use it safely, and the locking function of the latch and the lock is basically exercised by the operation of the lever, and the existing flap locker lock device Perform basic functions.

Further, since the lock constituting the lock device is integrally formed in the case, it is not inconvenient to use a separate lock, and it is possible to solve the inconvenience, hassle and loss of the need to separately store the lock after the door is opened have.

In addition, when the key is lost, the master key stored in the manager unit is used to easily release the lock, thereby reducing the work demand due to the forced demolition of the lock using the cutter or the like.

In addition, if the key is lost, the door can be easily separated from the case by opening the door by the master key, and the easily-replaceable locker key can be easily replaced by applying the lock, and the lock, which has lost the key, Can be recycled without having to dispose of it.

Further, since the unlocking device is constituted by the keyway, the customized rotation path, and the master key, the unlocking device can be economically configured by forming the keyway and the customized rotation path in the molding process of the case.

Figures 1A-1D show a conventional handle lock arrangement
Figure 2 is an exploded view of the present invention
FIG. 3 is a perspective view of the rear part of the present invention
Fig. 4 is a view showing an assembly state diagram
Figure 5 shows the operating state of the locking device
6A. 6B is an operational state diagram of the unlocking device
FIG. 7 is a view showing a state where the present invention is applied to a locker

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail with reference to the accompanying drawings.

2 to 4 illustrate an embodiment of the present invention. FIG. 2 to FIG. 4 illustrate the structure of the present invention. The present invention includes a fixing plate 11 attached to an inner surface of a door 100, And a cover 13 coupled to the exposed main body 12 on the front surface of the door and having a nameplate 131 formed thereon and performing a handle function together with the main body; A shackle (20) coupled to the case to be operated by the elastic force of the spring (23) and the lever (22); (40) coupled to the locker wall (200) to lock the door by engaging the latch (21) of the catcher chain and to release the door by being separated and to lock the movement of the locker Applies to locks.

The locking device 40 includes a stopper 41 formed at the rear end of the latch 21 of the latch 20 to be protruded from the latch upper surface by the spring force of the spring 411; The cylinder 422 is passed through the case so that the keyhole 421 is exposed to the outside of the cover 13 of the case 10 and the base 423 is fastened and fixed to the case by the bolt 424, A lock 42 which is engaged with the case so as to engage with the protruded stopper 41 when the protruding operation space 426 is inserted and rotated and the side surface thereof is in the maximum advancing state of the latch 21; .

In addition, according to the present invention, the keyway (51) is exposed to the outside of the cover, and a customized rotation path (52) And an unlocking device 50 formed above the stopper 41 protruded when in the fully advanced state and restraining the stopper 41 by the master key 54 paired with the keyway 51 .

The fixing plate 11, the main body 12 and the cover 13 constituting the case 10 are respectively fixed to the fitting hole 10a formed by the assembly hole 10a, the assembly hole 10b, the fastening bolt 10c, Assembled together when the door is attached, and have a rectangular or cylindrical shape as a whole.

In the illustrated embodiment, since it is easy to form the groove formed in the door for the case filling by a circular hole saw, it is an example of a cylindrical structure, and each element is manufactured by a plastic injection process .

The fixing plate 11 is formed with a groove 111 for receiving the cylindrical body 12 inside the rim which is in close contact with the inner surface of the door and a holder 112 for receiving the latching member 20 is formed at the lower portion, A lock groove 113 for receiving the base 423 of the lock 42 is formed and a bearing 114 for constituting the lever 22 and an assembler 10a for assembling are formed at the upper portion through which the lock- And the like are integrally formed by molding.

The main body 12 includes a cylindrical body 121 to be inserted into the hole of the door, a lever mount 122 protruding from the bottom to expose the lever 22 supported by the fixing plate and provide an operation space, A cylinder groove 123 for accommodating the cylinder of the cylinder block 42 and a key groove 51 constituting the unlocking device 50, a fitting rotation path 52 and an assembly hole 10b for engaging the cover and the fixed plate, As shown in Fig.

The cover 13 is provided to cover the main body exposed to the front of the door. The cover 13 is provided with a nameplate 131 on an upper portion thereof, a groove 132 for operating the lever 22 is formed on the front surface, A key groove 134 for exposing the keyhole 421 of the unlocking device and a key groove 134 corresponding to the keyhole 51 of the unlocking device and an assembling hole 10a for fastening and fixing the main body are formed by molding And has a structure formed integrally.

The catch 20 includes a catch 21 which is paired with a catch 30 attached to the locker wall and is inserted into the holder of the catching plate 11 as an element for substantially locking and unlocking the door by latch action, And a lever 22 which is engaged with the latch so as to move backward from the catch 30 by retracting the catch.

The lever is retracted by the generally applied leverage principle and includes a shaft 221 and an arm and a handle 222 that hold the latch and sliding contact about the shaft integrally, The latch is restrained by restraining the latch in a state of being supported by the latch 114, and when the finger is hung on the lever, the latch 23 is retracted while the latch 21 is retracted and released from the latch 30 .

The locking device 40 is a device for locking or unlocking the door by a key by limiting the operation of the lockstitch 20 by a lock in the above structure, and the present invention is characterized by being integrated with the case.

The stopper 41 is formed so that the pin 412 protrudes from the upper surface of the latch by the elastic force of the spring 411 at the rear end of the latch 21 of the latch 20.

The cylinder 422 is passed through the case so that the keyhole 421 is exposed to the outside of the cover 13 of the case 10 and the base 423 is fastened and fixed to the case by the bolt 424, 425 are inserted and the protruding operation side 426 is moved in a direction perpendicular to the latch 21 and the sides thereof are engaged with the protruding stopper 41 when the latch is in the fully advancing state, The lock 42 is engaged with the case so that the lock is released from the stopper.

The stopper is provided with a groove penetrating up and down at the rear end of the latch, and the pin 412 and the spring 411 are sequentially inserted and the groove is closed by the caulking, or the socket bolt 413 is used .

When the operation lever 426 of the lock acts to catch the stopper, the movement of the latch is restricted, resulting in the locked state. When the operation key is released from the retraction stopper using the key of the lock, Is applied.

Accordingly, various types of locks that induce operation between operations including electronic keys and the like are applicable to the present invention, and the present invention is not particularly limited thereto.

For example, when the electronic key is applied, the electronic key is attached to the case, and the keypad is exposed to the outside of the cover instead of the key groove.

The stopper is formed in at least two rows in the direction of operation of the lock so that the operation safety is ensured.

In the illustrated embodiment, a cylinder key having a square base, generally a lock known as a locker key, is applied, and as a standardized product, the bolt 424 is coupled to the case to facilitate separation and coupling.

Figure 5 is intended to illustrate the operation of the locking device, which is released when the lock is released using the key. In the " unlocked " state, the lock operation retracts into the base and there is no element that interferes with the progress of the latch, which operates in unison with the stopper, whereby the latch is retracted by lifting the lever, It becomes possible to open. Therefore, the user can open and close the door on a regular basis without locking the lock.

In contrast, when the lock is locked by locking the key, the operation protrudes from the base and the side surface is locked to the stopper. In the "locked" state, the door can not be opened because movement of the latch is restrained.

Thus, the user can easily lock the door using the built-in lock.

The unlocking device (50) of the present invention implements the object of opening the door without damaging the lock at the time of losing the key.

The illustrated unlocking device is formed in the case itself during the case molding process.

To this end, the master key 54 is composed of a handle 541, a center shaft 542 and a key 543 formed at the distal end of the center shaft. The key is connected to the center shaft, And the key groove 134 formed in the cover and the key groove formed in the distal end portion 53 are continuously formed by the customized rotation path 52 formed in the case. Thus, in the molding process of the master key and the case in a simple structure, The safety of the locking device can be ensured by the formed keyway (51).

The custom rotation path 52 is rotatable about the central axis after insertion when it coincides with the three-dimensional shape of the key formed on the master key 54. When it reaches the distal end portion 53, And the key 543 pushes the stopper backward to release the "engagement" state with the lock operation, and the lock is locked by the latch retraction by the lever The door can be opened.

6A and 6B illustrate the unlocking function by the master key when the key is lost and the lock can not be released. For example, if the student requests the teacher that the key is lost, The stopper is retracted into the latch by pushing the master key at the point where the rotation is stopped after turning it into the key groove, so that the engagement of the stopper is canceled and the door can be opened by raising the lever in this state.

After the door is opened, the bolt of the lock can be unlocked, the lock can be removed and replaced, or a new key can be made and reused.

FIG. 7 shows a state in which the present invention is applied to a student locker.

As described above, according to the present invention, students can safely use a locker without an external projection, and the locking function of the latch and the lock is basically exhibited by the operation of the lever, Function.

In addition, there is no inconvenience of using a separate lock, and it is possible to solve the problem of inconvenience, hassle and loss of keeping the lock separately after the door is opened, it is possible to open by the master key when the key is lost, The lock can be separated and recycled without the forced dismantling of the lock.

100: Door 200: Furniture wall
10: Case
11: fixing plate 111: groove 112: holder 113: lock groove 114:
12: main body 121: body 122: lever mounting base 123: cylinder groove
13: Cover 131: Nameplate 132: Groove 133: Locking groove 134: Keyway
20: Mackerel
21: latch 22: lever 221: shaft 222: handle 23: spring
30: Clasp
40: Locking device
41: stopper 411: spring 412: pin 413: socket bolt
42: lock 421: keyhole 422: cylinder 423: base 424: bolt
425: Key 426: Operation
50: Unlocking device
51: keyway 52: custom rotation path 53: distal end 54: master key

Claims (1)

A main body 12 coupled to the fixing plate and inserted into the perforation groove of the door and a base plate 12 coupled to the main body 12 exposed to the front surface of the door and having a nameplate 131 formed thereon And a cover (13) which performs a knob function together with the main body; (20) coupled to the case to be engaged with the lever (22) in a state of being subjected to the elastic force of the spring (23); The latch 21 of the latch 20 is advanced and locked by the resilient force of the spring 23 to lock the door and the lever 22 is retracted to separate the door so as to open the door, (30); And a locking device (40) for interrupting the movement of the latch,
The locking device 40 includes a stopper 41 formed at the rear end of the latch 21 of the latch 20 and configured to cause the pin 412 to protrude from the latch upper surface by the elastic force of the spring 411; The cylinder 422 is passed through the case so that the keyhole 421 is exposed to the outside of the cover 13 of the case 10 and the base 423 is fastened and fixed to the case by the bolt 424,
When the key 425 is inserted and rotated, the protruding operation space 426 is locked by locking the protruding stopper 41 when the side of the key is moved in a direction perpendicular to the latch and the latch is in the fully extended state, and the key 425 is reversely rotated And a lock (42) coupled to the case such that the side of the operation is released from the stopper (41) to release the lock,
The end portion 53 of the fitting rotation path is provided with a stopper protruding when the latch 21 is in its maximum advancing state, And a master key 54 paired with the key groove 51 is inserted to press the key 543 when the key 543 reaches the end portion 53. The protruded stopper Further comprising a lock releasing device (50) for retracting the lock (41) to release the lock with the lock (42) to unlock the lock.

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