TWM501463U - Hidden magnetic safety lock - Google Patents

Description

Concealed magnetic safety lock

The present invention relates to a lock, in particular to a lock having one or more sets of magnetically determined lock beads for determining the correctness of the key and the magnetic safety lock that interferes with the spying.

The general lock structure is mainly composed of a lock core seat, a lock core, a plurality of upper lock beads, a lower lock bead and a spring, wherein the lock core seat and the lock core are arranged in a row or rows correspondingly in the radial direction. a plurality of locking bead holes, a locking bead, a locking bead and a spring are implanted in each locking bead hole, and the staggered arrangement structure of the locking beads and the lower locking bead lengths of each group and the tension of the spring are used to make the lower locking bead end The key is exposed in the keyhole, so that the lock must be properly opened with a matching tooth-shaped key. If an inconsistent key is used to try to twist, the locking bead or the lower locking bead will be locked in the lock seat and the lock core. Between the rotary surfaces, the lock can not be rotated, that is, the lock cannot be opened.

Since the upper locking device causes the end of the lower locking bead to protrude in the keyhole, the thief can use a push rod and a tweezing tool to spit or push the lower locking bead, thereby twisting the locking core to open the locking device. The safety mechanism of such locks is not good enough to prevent thieves. Therefore, the creator of this case has proposed a magnetic safety lock design, such as shown in the Republic of China Patent Bulletin M306259, through the magnetic lock beads hidden in the keyhole, and the key Corresponding magnet structure design, the magnet must be on the key with the correct magnetic force to push the magnetic lock bead and the top bead to the correct position to unlock. However, the magnetic force of the magnet tends to be weakened, and the magnetic lock bead cannot be pushed to the correct position; when the magnetic force is too strong, the elastic member is easily over-compressed, resulting in rapid elastic fatigue of the elastic member.

The purpose of this creation is to provide a hidden magnetic safety lock that is improved through the inner bead hole of the magnetic safety lock and the non-magnetic bead structure to ensure that the magnet on the key can push the bead and the bead to the correct position and prevent The elastic element is elastic and fatigued.

In order to achieve the above object, the present invention provides a hidden magnetic safety lock, and the preferred technical solution comprises a lock and a judgment lock bead, wherein: the lock is a lock core seat and a lock core, and the lock core seat is provided with a lock hole. An outer bead hole radially communicating with the lock core hole; the lock core is provided with an inner bead hole extending radially from the outer side surface toward the center key hole; the judging lock bead includes a magnetic bead disposed in the inner bead hole And a top bead disposed on the outer bead hole, an elastic element and an end plug, the top end of the top bead abutting the magnetic bead, the elastic element abutting between the top bead and the end plug, the end plug closing the outer The outer end of the bead hole is characterized by:

The inner bead hole is a blind hole that does not communicate with the key hole, so that the magnetic bead is hidden in the inner bead hole; the top bead is provided with a stroke limiting portion corresponding to one end of the end plug, and the stroke limiting portion moves to abut The stroke of the end plug is equal to the distance between the magnetic bead and the bottom end of the top bead to the gap between the lock core seat and the lock core; when the magnetic bead and the top bead are inserted into a key, The magnetic bead is pushed by a magnet of the key such that the stroke limiting portion of the bead is abutted against the end plug, and the magnetic bead is aligned with the top end of the bead to align the gap between the lock cores.

The hidden magnetic safety lock of the present invention can be designed to push the magnetic ball and the top bead by the magnet on the key through the stroke limiting portion of the bead, when the stroke limiting portion abuts the end plug When making sure that the magnet on the key can push the magnetic bead and the top bead to the correct position, the magnetic bead and the abutting end of the top bead are aligned with the rotation gap of the lock core, so that the unlocking can be performed. Further, by the design of the end stopper by the stroke restricting portion, it is possible to prevent the elastic member from being excessively compressed and to prevent elastic fatigue.

10‧‧‧Locks

20‧‧‧Determining the lock beads

1‧‧‧Lock seat

11‧‧‧Lock hole

12‧‧‧ outer bead hole

2‧‧‧Lock

21‧‧‧ keyhole

22‧‧‧ 内珠孔

3‧‧‧Magnetic beads

4‧‧‧ 顶珠

41‧‧‧Travel restriction

411‧‧‧Bump

412‧‧‧ recessed hole

413‧‧‧Circle

5‧‧‧Flexible components

6‧‧‧End plug

61‧‧‧ Groove

7‧‧‧ key

71‧‧‧ magnet

A‧‧‧ phased end

B‧‧‧ gap

The first figure is a schematic cross-sectional view of a preferred embodiment of the creative lock.

The second figure is an exploded view of a preferred embodiment of the creative judgment lock bead.

The third figure is a perspective view of a preferred embodiment of the creation key.

The fourth figure is an enlarged schematic view of the creation of the lock bead set in the lock.

The fifth picture is a schematic diagram of the action of judging that the lock bead is pushed by the key.

The sixth figure is an exploded view of another embodiment of the creative judgment lock bead.

The seventh figure is a schematic diagram of the unlocking action of another embodiment of the creative judgment lock bead.

The eighth figure is an exploded view of another embodiment of the creative judgment lock bead. .

The ninth figure is a schematic diagram of the unlocking action of another embodiment of the creative judgment lock bead.

The tenth figure shows the cross-section of the locks that are implemented in the creation of the locks. Figure.

The structural features of the present creation and other functions and purposes are described in detail in the following embodiments:

Referring to the first and second figures, the preferred embodiment of the hidden magnetic security lock of the present invention comprises a lock 10 and a judgment lock bead 20, wherein:

The lock 10 is a lock core seat 1 and a lock core 2, and the lock core seat 1 is a circular sleeve, and is provided with an axial lock hole 11 for one or more radial communication with the lock core hole 11. The outer bead hole 12; the lock core 2 is a cylinder rotatably disposed in the lock hole 11 and is provided with an axial key hole 21, one or more inner bead holes 22 extending radially from the outer side surface to the key hole 21 The inner bead hole 22 corresponds to the outer bead hole 12. The judging lock bead 20 includes a magnetic bead 3 disposed on the inner bead hole 22, and a top bead 4 disposed on the outer bead hole 12, an elastic member 5 (coil spring) and one end plug 6 so that the end of the top bead 4 is The magnetic bead 3 abuts, and the elastic member 5 abuts between the top bead 4 and the end plug 6, and the end plug 6 closes the outer end of the outer bead hole 12, thereby pushing the top bead 4 and the magnetic bead 3 through the elastic member 5. The direction of the keyhole 21 (as shown in the fourth figure).

As shown in the first and second figures, the present invention is further improved in that the inner bead hole 22 of the lock core 2 is a blind hole that does not communicate with the keyhole 21, and therefore cannot be used as a keyhole in a tool such as a probe. The position of the inner bead hole 2 is detected in 21 to achieve the function of hiding the magnetic bead 3 in the inner bead hole 22, and only the magnet 71 on the correct key 7 (as shown in the third figure) can be used to push the magnetic bead. 3, and then achieve the purpose of unlocking. Furthermore, the creation of the top bead 4 corresponds to the end plug 6 One end of the stroke restricting portion 41 is moved to abut against the end plug 6, which is equal to the bottom end A of the magnetic bead 3 and the top bead 4 is moved to the lock core seat 1 and the lock core 2 to each other. The distance of the rotating slit B. Therefore, as shown in FIG. 5, when the magnetic bead 3 and the top bead 4 are inserted into the keyhole 21 of the lock core 2 when a key 7 is inserted, the magnetic bead 3 can be pushed by a magnet 71 of the key 7 until the stroke of the top bead 4 is reached. The restriction portion 41 abuts against the end plug 6 for this purpose, and the magnetic bead 3 and the bottom end A of the top bead 4 are correctly aligned with the gap B between the lock core 2 and the lock core seat 1, so that unlocking can be performed.

The design of the above-described stroke limiting portion 41 allows the magnet 71 on the key 7 to have a large magnetic force, pushing the end of the magnetic bead 3 and the top bead 4 against the end A (as shown in the fifth figure), when the stroke is limited When the portion 41 abuts against the end plug 6, the phase A end A is aligned with the gap B between the lock core 2 and the lock core seat 1, so that the problem of difficulty in unlocking caused by magnetic instability can be overcome, and the problem can be ensured. The magnet 71 has a magnetic force that is effective for a longer period of time. In addition, the structural design of the stroke restricting portion 41 prevents the elastic member 5 from being excessively compressed, thereby achieving the effect of prolonging the service life of the elastic member 5.

As shown in the second and fourth figures, the stroke limiting portion 41 of the bead 4 is preferably a protrusion 411 protruding from one end of the top bead 4. The diameter of the protrusion 411 is smaller than the diameter of the top bead 4, and the protrusion is The distance from the end surface of the 411 to the end plug 6 is equal to the distance from the bottom end A of the magnetic bead 3 and the top bead 4 to the gap B where the lock core seat 1 and the lock core 2 rotate with each other, and the elastic member 5 can be sleeved. In the stud 411, one end of the elastic member 5 is abutted against the top bead 4, and the other end is abutted against the end plug 6.

As shown in Figure 6 and Figure 7, the stroke limit of this creation The portion 41 can also be implemented as a recessed hole 412 recessed in one end of the top bead 4. A ring wall 413 is formed around the recessed hole 412. The distance from the end surface of the ring wall 413 to the end plug 6 is equal to the end of the magnetic bead 3 and the top bead 4. A moves to the distance between the lock pocket 1 and the slit B where the lock core 2 rotates with each other, whereby the elastic member 2 is received in the recessed hole 412 such that one end of the elastic member 5 abuts against the bottom of the recessed hole 412, and the other end abuts Rely on the end plug 6. Thus, when the magnet 71 of the key 7 pushes the magnetic bead 3 and the top bead 4 until the ring wall 413 abuts against the end plug 6, the same effect as described above can be achieved, and the purpose of accurate and stable unlocking can be achieved as well.

As shown in FIG. 8 and FIG. 9 , the stroke limiting portion 41 can also be implemented as a protrusion 411 protruding from one end of the top bead 4 , and a groove 61 corresponding to the protrusion 411 is disposed on the end plug 6 . Controlling the distance from the end surface of the stud 411 to the bottom of the groove 61 is equal to the distance from the bottom end A of the magnetic bead 3 and the top bead 4 to the gap B between the lock hub 1 and the lock core 2; and the above One end of the elastic member 5 is sleeved on the protruding post 411, and the other end is received in the recess 61. The same as the above, the same purpose can be achieved for accurate and stable unlocking.

As shown in the tenth figure, the creation is not limited to the setting of the set of determining lock beads 20, and two or more sets of judging lock beads 20 are located at various positions in a lock core seat 1 and a lock core 2; And the corresponding plurality of magnets are also arranged at the selected position of the above-mentioned key 7, so that if the traditional lock beads or the conventional magnetic lock beads in the lock seat 1 and the lock core 2 are matched, the lock will be made even more臻Precise security protection mechanism.

In summary, the creative hidden magnetic safety lock has been practical and creative. The application of its technical means is also novel and undoubted, and its efficacy and design purpose are in line with it. It has been said to be reasonable and clear. to this end, A new type of patent application is filed according to law, but the bureau will be invited to give a detailed examination, and the patent will be granted as a prayer.

10‧‧‧Locks

20‧‧‧Determining the lock beads

1‧‧‧Lock seat

11‧‧‧Lock hole

12‧‧‧ outer bead hole

2‧‧‧Lock

21‧‧‧ keyhole

22‧‧‧ 内珠孔

3‧‧‧Magnetic beads

4‧‧‧ 顶珠

5‧‧‧Flexible components

6‧‧‧End plug

A‧‧‧ phased end

B‧‧‧ gap

Claims (5)

A concealed magnetic safety lock includes a lock and a judging lock bead, wherein: the lock is a lock core seat and a lock core, and the lock core seat is provided with a lock hole, a radial connection of the lock core hole The outer bead hole; the lock core is provided with an inner bead hole extending radially from the outer side surface toward the center key hole; the judging lock bead includes a magnetic bead disposed on the inner bead hole, and a hole disposed on the outer bead hole a top bead, an elastic element and an end plug, the top end of the top bead abutting the magnetic bead, the elastic element abutting between the top bead and the end plug, the end plug closing the outer end of the outer bead hole, wherein: The inner bead hole is a blind hole that does not communicate with the key hole, so that the magnetic bead is hidden in the inner bead hole; the top bead is provided with a stroke limiting portion corresponding to one end of the end plug, and the stroke limiting portion moves to abut The stroke of the end plug is equal to the distance between the magnetic bead and the bottom end of the top bead to the gap between the lock core seat and the lock core; when the magnetic bead and the top bead are inserted into a key, the magnetic bead is a magnet of the key is pushed to abut the stroke limit portion of the top bead to the end plug, Beads against the bottom end of the top bead alignment with the rotation of the lock slot to one another. The hidden magnetic safety lock of claim 1, wherein the stroke limiting portion is a protrusion protruding from one end of the top bead, the protrusion having a diameter smaller than the top bead, and the distance from the end surface of the protruding post to the end plug is equal to the The magnetic beads and the top end of the top bead move to a distance between the lock seat and the gap in which the lock core rotates with each other; and the elastic element is sleeved on the protruding post. The hidden magnetic safety lock of claim 1, wherein the stroke restricting portion is a recessed hole recessed in one end of the top bead, and the recessed hole is formed around the recessed hole a ring wall, a distance from an end surface of the ring wall to the end plug is equal to a distance from the bottom end of the magnetic bead and the top end of the bead to a gap in which the lock core and the lock core rotate with each other; and the elastic element is accommodated in the ring In the recessed hole. The hidden magnetic safety lock of claim 1 , wherein the stroke limiting portion is a protrusion protruding from one end of the top bead, the protrusion is smaller in diameter than the top bead, and the end plug is provided with a pair of grooves corresponding to the protrusion; The distance from the end surface of the stud to the bottom of the groove is equal to the distance between the magnetic bead and the bottom end of the bead to the gap between the lock seat and the lock core; and the elastic element is sleeved at one end The other end of the stud is received in the groove. The concealed magnetic security lock of any one of claims 1 to 4, wherein the elastic element is a coil spring.