TWI522520B - Piece beads lock heart and open the sub-bead heart of the ball heart - Google Patents

Description

The mother ball locks the heart and opens the ball key of the mother ball lock heart

The invention relates to a lock, in particular to a ball key design of a sub-bead lock core and a lock bead lock core applied in the lock.

The lock core of the conventional lock includes a cylindrical lock case, and a lock hole is arranged in the center thereof, and a plurality of outer outer lock hole holes are arranged on the side wall of the lock hole. A lock hole is disposed in the lock hole, and a key hole is disposed in a center of the lock core, and at least one hole wall of the key hole is provided with an inner lock bead hole connected to the outer lock bead hole. Most of the outer locking bead (external pin) and spring disposed in the outer locking bead hole, and the inner locking bead (internal pin) disposed in the inner locking bead hole, and the length of each inner and outer locking bead is different. In this way, the outer locking bead and the inner locking bead are pushed by the spring to engage the locking case and the lock core to prevent the locking core from being twisted and opened. If the lock is to be opened, the correct toothed key must be used to push the outer and inner locking beads to the correct position so that the lock can be rotated by the key. However, the above-mentioned conventional lock core structure, the structure of the outer lock bead and the inner lock bead is too popular in the field of locks, and in the case of low precision, it is easy to be stolen by using a universal key or an unlocking tool.

In addition, there is now a design of a ball key, such as the key structure of the Republic of China Bulletin No. M266334 with a coded ring, and the self-adjustable key of No. I325460, which is located at the selected position of the key blade. One or more slots are provided, and one or more rolling balls are arranged in the slot, and the diameter and position of the balls are corresponding to the above-mentioned inner locking beads (the inner pin) for unlocking, so that the key is not easily copied arbitrarily. Preventing the key from being improperly transmitted, and eliminating the need for machine cutting, it is possible to copy a new key through assembly.

In view of the above-mentioned disadvantages that the precision of the lock core is not high, the opening is easy to be improperly opened, and the advantages of the ball key, the present invention further designs a ball key for the sub-bead lock and the opening bead lock core, in order to achieve more precision. It is difficult to be turned on, and the key is not easily copied.

The object of the present invention is to provide a ball key for the sub-bead lock and the opening of the mother-bead lock, thereby achieving a more precise lock core structure and being difficult to be opened, and the ball key is not easily copied.

In order to achieve the above object, the preferred technical content of the sub-bead lock of the present invention comprises: a lock case, which is a cylinder provided with a lock hole, and the corresponding two side walls of the lock hole are respectively connected to a second locking bead of the outer cylinder wall; a locking core, which is a cylinder disposed in the locking hole, and a key hole is disposed in the center thereof, and the two sidewalls of the keyhole are respectively provided with a second locking bead a first locking bead of the hole; two sets of first inner locking beads respectively disposed in the first locking bead of the locking core, having a cylindrical inner bead, and a pair of inner bead a columnar inner bead; two sets of first outer locking beads respectively disposed in the second locking bead of the locking case, having a cylindrical outer bead, and one being placed on the outer mother a columnar outer bead in the bead; and two sets of elastic elements respectively disposed in the second bead hole of the lock case, having a phase An inner spiral spring and an outer coil spring are pushed up, and the inner spiral spring pushes the outer sub-bead, and the outer spiral spring pushes against the outer mother bead.

According to the preferred embodiment of the present invention, the lock case is provided with a fourth lock bead hole adjacent to the second lock bead hole, and the fourth lock bead hole is provided with a columnar second An outer locking bead and an elastic component, the elastic component pushing the second outer locking bead; and the locking core is provided with a third locking bead hole adjacent to the first locking bead hole, wherein the third locking bead hole is provided with a Columnar second inner locking bead.

In order to achieve the above object, the preferred technical content of the ball key for opening the sub-bead lock core includes: a key embryo and a hand-held portion coupled to the rear end of the key embryo; and a corresponding side of the key embryo is respectively provided with a slave The front end of the key embryo has a slit connecting the two grooves, and the slit is provided with a rotating ball, and the circumference of the ball protrudes from the groove respectively.

The design of the mother-bead lock of the present invention can form a double locking state between the first locking bead hole and the second locking bead hole by the structure of the sub-bead that is fastened between the locking case and the lock core, and must be used. The ball of the ball key that is correctly matched can push the mother ball to the correct position, so that the lock can be turned and unlocked. The invention opens the ball key of the mother-bead lock core, wherein the ball is used to push the inner locking beads of the two first inner locking beads, and the groove uses the bottom surface of the groove to push the outer locking beads of the first inner locking bead and the second inner ball The locking bead is not only used to open the sub-bead lock, but also the ball is not processed by the conventional copying machine, which can effectively prevent the key from being improperly copied.

1‧‧‧Lock shell

11‧‧‧Lock hole

12‧‧‧Outer wall

13‧‧‧Second lock bead hole

131‧‧‧ guiding recess

14‧‧‧The fourth lock bead hole

15‧‧‧Second outer lock beads

16‧‧‧Flexible components

2‧‧‧Lock

21‧‧‧ keyhole

22‧‧‧First lock bead hole

221‧‧‧ guiding recess

23‧‧‧The third lock bead hole

24‧‧‧Second inner locking beads

3‧‧‧The first inner locking bead

31‧‧‧ Inner mother beads

311‧‧‧End

312‧‧‧ slotting

313‧‧‧Bevel

314‧‧‧Guided convex

32‧‧‧Inner beads

4‧‧‧First outer lock beads

41‧‧‧External mother beads

42‧‧‧External beads

5‧‧‧Flexible components

51‧‧‧Inner coil spring

52‧‧‧Outer coil spring

6‧‧‧Ball key

61‧‧‧ key embryo

62‧‧‧Handheld Department

611‧‧‧ trench

612‧‧‧Slit

613‧‧‧ balls

6131‧‧‧French

6132‧‧‧ convex

6133‧‧‧ recess

6134‧‧‧ hole

614‧‧‧Slot bottom

615‧‧ ‧ pinhole

616‧‧‧ axle pin

The first figure is a perspective view of a preferred embodiment of the invention.

The second figure is an exploded schematic view of a preferred embodiment of the present invention.

The third figure is an exploded view of a preferred embodiment of the lock core of the present invention.

Figure 4 is a schematic cross-sectional view of a preferred embodiment of the present invention.

Figure 5 is a schematic cross-sectional view of a preferred embodiment of the present invention.

Figure 6 is a cross-sectional view showing another preferred embodiment of the present invention.

Figure 7 is a cross-sectional view showing a preferred embodiment of the guideless recess of the present invention.

Figure 8 is a perspective view showing another preferred embodiment of the ball key of the present invention.

Figure 9 is a perspective view showing another preferred embodiment of the ball key of the present invention.

Figure 11 is a cross-sectional view showing another preferred embodiment of the ball of the present invention.

Figure 11 is a cross-sectional view showing another preferred embodiment of the ball of the present invention.

The twelfth figure is a schematic view of the first use state in which the invention cannot be unlocked.

The thirteenth diagram is a schematic view of the second use state in which the invention cannot be unlocked.

Figure 14 is a schematic view showing the state of use of another preferred embodiment of the ball of the present invention.

The structural features and other functions and objects of the present invention are described in detail below with reference to the accompanying drawings. As shown in the first and second figures, the preferred embodiment of the sub-bead lock of the present invention includes: The lock case 1, a lock core 2, two sets of first inner lock beads 3, two sets of first outer lock beads 4 and two sets of elastic elements 5, wherein: the lock case 1 is a copper with a lock hole 11 in the center a cylinder, the two side walls corresponding to the lock hole 11 are respectively provided with a communication to the outer cylinder wall The second locking bead hole 13 of the second locking hole 1 is further provided with a fourth locking bead hole 14 adjacent to the second locking bead hole 13 , and each of the fourth locking bead holes 14 is respectively provided with a columnar portion The outer outer locking bead 15 and an elastic member 16 push the second outer locking bead 15 to move toward the center of the lock hole 11 .

The lock core 2 is a copper cylinder disposed in the lock hole 11 and has a key hole 21 at the center thereof. The key hole 21 can be any shape matching the key, and the preferred shape is a king-shaped hole. Corresponding two side walls are respectively provided with a first locking bead hole 22, so that the first locking bead hole 22 is connected to the second locking bead hole 13; in addition, the locking core 2 can also be provided with the adjacent first locking bead hole 22 The third locking bead hole 23, the third locking bead hole 23 corresponds to the fourth locking bead hole 14 described above, and a columnar second inner locking bead 24 is disposed in the third locking bead hole 23 to make the second inner locking bead 24 can be pushed by the second outer locking bead 15 described above.

As shown in the third to fifth figures, the first inner locking beads 3 are respectively disposed in the first locking bead hole 22 of the lock core 2, and have a cylindrical inner mother bead 31, and one is placed therein. The columnar inner bead 32 of the mother bead 31 is such that both the inner bead 31 and the inner bead 32 can move axially in the first bead hole 22 and the second bead hole 13, thereby being able to be tied The lock case 1 and the lock core 2 prevent the lock core 2 from being rotated.

As shown in the third to fifth figures, the first outer locking beads 4 are respectively disposed in the second locking bead holes 13 of the lock case 1, and have a cylindrical outer mother bead 41, and one is placed on the outer mother. The columnar outer bead 42 in the bead 41; thus, the outer bead 41 and the inner bead 42 can both move axially in the second locking bead hole 13 and the first locking bead hole 22, thereby also being able to be tied The lock case 1 and the lock core 2 prevent the lock core 2 from being rotated.

As shown in the third to fifth figures, the elastic members 5 are respectively disposed in the second locking bead holes 13 of the lock case 1, and have an inner coil spring 51 and an outer coil spring 52, which are respectively engaged. The springs are all selected as compression springs, so that the inner coil springs 51 push the outer beads 42 and the outer coil springs 52 push against the outer beads 41, so that the outer beads 41 and the outer beads 42 can respectively push the inner beads 31. And the inner bead 32, the inner bead 31 and the inner bead 32 are exposed at one end of the keyhole 21 of the lock core 2.

By the structural design of the lock case 1, the lock core 2, the first inner lock bead 3, the first outer lock bead 4 and the elastic element 5, the sub-bead lock core of the present invention is formed, which passes through a special first inner lock bead. The inner inner mother beads 31, 32 and the outer outer mother beads 41, 42 of the first outer locking bead 4 are designed with other locking beads (for example, the second inner locking bead 24 and the second outer locking bead 15 etc.) The structure makes the locking bead structure of the lock case 1 and the lock core 2 more precise and complicated, and can only be opened by using a correctly matched key, thereby achieving better anti-theft effect.

As shown in the first, second and fifth figures, the preferred embodiment of the ball key 6 of the open-bead-bead lock of the present invention comprises: a key blank 61 and a hand-held combined with the rear end of the key blank 61. The portion 62 has a cross-sectional shape corresponding to the metal piece of the key hole 21, and preferably has a shape of a king-shaped piece, and the two sides of the two first inner locking beads 3 are respectively provided with a front end to the rear end. The extending groove 611 has a slit 612 at the front end thereof, and a rotating ball 613 is disposed in the slit 612. The ball 613 is an oblate roller, so that the circumference of the ball 613 protrudes from the groove. The bottom surface 614 of the 611. In addition, in order to make the ball 613 roll in the slit 612, one side of the key blank 61 is provided with a pin hole 615 that communicates with the slit 612, and the pin hole 615 is inserted A shaft pin 616 allows the shaft pin 616 to pass through the center of the ball 613, thereby enabling the ball 613 to rotate. The direction of the groove 611 and the ball 613 is determined by the lock center, and may be provided on any two sides of the key blank 61 (as shown in the first and eighth figures). The position of the groove 611 and the ball 613 may be disposed at the front end or the middle of the key blank 61 (as shown in FIG. 9), and the position thereof is the position of the first inner lock bead 3 and the first outer bead 4 And set. The wheel surface 6131 of the ball 613 can also be configured with a ring of protrusions 6132 (shown in FIG. 10) so that the protrusions 6132 can push the inner beads 32 of the first inner locking bead 3, and the tread 6131 pushes the inner mother ball 31 of the first inner locking bead 3. The wheel surface 6131 of the ball 613 may also be configured with a ring recess 6133 (shown in FIG. 11) such that the recess 6133 can push the inner bead 32 of the first inner bead 3, and the tread 6131 Then, the inner mother ball 31 of the first inner locking bead 3 is pushed up.

As shown in the fifth figure, the groove bottom surface 614 of the groove 611 of the ball key 6 of the present invention can serve as the abutting portion of the inner end 311 of the inner mother ball 31 of the first inner locking bead 3, so that the groove 611 fits the above. The ball 613 pushes the first inner locking bead 3 and the first outer locking bead 4 to the correct unlocking position. As shown in the sixth figure, the groove bottom surface 614 of the groove 611 can serve as a top abutting portion of the second inner locking bead 24 for pushing the second inner locking bead 24 and the second outer locking bead 15 to the correct unlocking. position. Therefore, the structure of the groove 611 and the ball 613 of the ball key 6 of the present invention can be adapted to open the aforementioned more complicated and complicated sub-bead lock.

As shown in the second, third and fourth figures, the two sets of first inner locking beads 3 of the sub-bead lock core, one of the inner ends 311 of one of the inner mother beads 31 is provided with a a slot 312 in which the keyhole 21 is aligned; and the inner A beveled surface 313 is formed on each of the two sides of the inner end 311 of the mother bead 31, and the slotted position 312 is between the two inclined surfaces 313. Therefore, when the ball key 6 is inserted, the ball 613 can be prevented from touching the inner bead 31 by the slot 312. The ball 613 pushes only the inner bead 32, and the inner end 311 of the inner bead 31 having the slot 312 is pushed by the groove bottom surface 614 of the groove 611, and the first inner locking bead 3 is pushed. Go to the right place. As shown in the fifth and sixth figures, in order to enable the groove 312 of the inner bead 31 to be aligned with the ball 613 when the ball key 6 is inserted, one side of the inner bead 31 has a guiding protrusion 314. The guiding protrusion 314 is a protrusion; and a matching side wall of the first locking bead hole 22 and the second locking bead hole 13 is provided with guiding recesses 221, 131 for receiving the guiding protrusion 314, and the guiding recess 221 The 131 system is a guide channel. As shown in the seventh figure, the guiding protrusion 314 may be disposed at the middle of the inner bead 31, so that the second locking bead hole 13 is not necessarily provided with the guiding recess 131, and the second locking bead is provided. The circular hole shape of 13 also enables the inner mother bead 31 to have a space to move to the second lock bead hole 13.

When the sub-bead lock of the present invention is used in conjunction with the ball key 6, as shown in FIG. 5, the key blank 61 of the ball key 6 is inserted into the key hole 21 of the lock core 2, so that the circumference of the ball 613 is pushed first. The inner bead 32 of the locking bead 3 and the inner bead 31 of the non-grooving groove 312, and the inner end 311 of the inner bead 31 having the notch 312 are pushed up by the groove bottom surface 614 of the groove 611. As shown in the sixth figure, in the embodiment having the second inner locking bead 24 and the second outer locking bead 15, when the key blank 61 of the ball key 6 is inserted, the groove bottom surface 614 of the groove 611 is simultaneously utilized. The second inner locking bead 24 is pushed, and the locking beads of other parts are pushed in a conventional manner, so that all the locking beads can be pushed to the correct position by the ball key 6, and then the locking core 2 can be unlocked.

As shown in Fig. 12, if the unmatched ball key 6 is used for unlocking, when the diameter of the ball 613 is too small, the two sets of elastic members 5 will respectively push the first outer locking bead 4 and the first inner locking bead 3 Beads, so the mother beads are still tied between the lock case 1 and the lock core 2; moreover, if the groove bottom surface 614 of the groove 611 is not deep enough, the second inner lock bead 24 and the second outer lock bead 15 cannot be pushed. Go to the correct unlock position. On the contrary, as shown in the thirteenth figure, if the diameter of the ball 613 is too large, the first inner locking bead 3 will be pushed too much, so that the first outer locking bead 4 and the sub-parent of the first inner locking bead 3 are still tied. Between the lock case 1 and the lock core 2. Furthermore, even if the diameter of the ball 613 can be correctly matched, if the depth of the groove bottom surface 614 of the groove 611 of the ball key 6 is not correct, the inner bead 31 and the second inner locking bead 24 having the notch 312 and the second can not be used. The outer locking bead 15 is pushed to the correct position. Thus, the present invention cannot be opened at all by a universal key or other unlocking tool in an improper manner. Further, the ball 613 of the ball key 6 of the present invention can be processed not by a conventional key copying machine, and the ball 613 must be provided by the original manufacturer to form the ball key 6, so that the key can be prevented from being copied.

In addition, as shown in FIG. 14, the hole 6134 in the center of the ball 613 of the present invention may have a larger diameter than the shaft pin 616, and set one of the two sets of elastic members 5 to have a large elastic force, for example, the lower elastic member 5 in the figure. The inner coil spring 51 and the outer coil spring 52 have a larger elastic force than the upper elastic member 5, so when the ball key 6 is inserted, a group of elastic members 5 having a large elastic force pushes the first outer lock bead 4 and the first inner lock. Bead 3, and push the ball 613 to the other direction, so that the ball 613 can push the two sets of the first inner locking bead 3 to the correct position, because the diameter of the hole 6134 can control the amplitude of the ball 613 being pushed, the incorrect aperture It will not work, which will increase the difficulty of unlocking.

In summary, the ball key of the mother-bead lock and the opening of the mother-bead lock has been practical and creative, and the application of the technical means is novel, and the effect is in line with the design purpose. It has been said that reasonable progress has been made. To this end, the invention patent application was filed according to law, but the bureau was requested to give a detailed examination, and the patent was granted as a prayer.

1‧‧‧Lock shell

11‧‧‧Lock hole

12‧‧‧Outer wall

13‧‧‧Second lock bead hole

14‧‧‧The fourth lock bead hole

15‧‧‧Second outer lock beads

16‧‧‧Flexible components

2‧‧‧Lock

21‧‧‧ keyhole

22‧‧‧First lock bead hole

23‧‧‧The third lock bead hole

24‧‧‧Second inner locking beads

3‧‧‧The first inner locking bead

31‧‧‧ Inner mother beads

312‧‧‧ slotting

314‧‧‧Guided convex

32‧‧‧Inner beads

4‧‧‧First outer lock beads

41‧‧‧External mother beads

42‧‧‧External beads

5‧‧‧Flexible components

51‧‧‧Inner coil spring

52‧‧‧Outer coil spring

6‧‧‧Ball key

61‧‧‧ key embryo

62‧‧‧Handheld Department

611‧‧‧ trench

612‧‧‧Slit

613‧‧‧ balls

614‧‧‧Slot bottom

615‧‧ ‧ pinhole

616‧‧‧ axle pin

Claims (9)

A sub-bead lock core, comprising: a lock case, which is a cylinder provided with a lock hole, and the two side walls of the lock core hole are respectively provided with a second lock bead hole connected to the outer tube wall; a lock core, which is a cylinder disposed in the lock hole, and has a key hole in the center thereof, and two side walls corresponding to the key hole are respectively provided with a first lock bead hole that communicates with the second lock bead hole; a first inner locking bead respectively disposed in the first locking bead hole of the lock core, having a cylindrical inner bead, and a columnar inner bead penetrating in the inner bead, the The inner ends of the inner beads of one of the two sets of first inner locking beads are provided with a slot aligned with the key hole; two sets of first outer locking beads respectively disposed on the second locking hole of the locking case Inside, it has a cylindrical outer mother bead, and a columnar outer sub-bead inserted in the outer mother bead; and two sets of elastic elements respectively disposed in the second locking bead hole of the locking case The utility model has an inner spiral spring and an outer spiral spring, and the inner spiral spring pushes the outer sub-bead, and the outer spiral spring pushes against the outer mother bead. The sub-bead lock core according to claim 1, wherein the inner side of the inner mother bead is respectively formed with a sloped surface, and the dissection groove is located between the two inclined surfaces. The sub-bead lock core according to claim 1, wherein one side of the inner mother bead has a guiding protrusion; and the first lock is matched A side wall of the bead hole and the second locking bead has a guiding recess for receiving the guiding protrusion. The sub-bead lock core according to claim 3, wherein the guide protrusion is a bump; and the guide recess is a guide groove. The sub-bead lock core according to claim 1, wherein the lock case is provided with a fourth lock bead hole adjacent to the second lock bead hole, and the fourth lock bead hole is provided with a columnar first a second outer locking bead and an elastic element, the elastic element pushing the second outer locking bead; and the locking core is provided with a third locking bead hole adjacent to the first locking bead hole, wherein the third locking bead hole is provided There is a columnar second inner locking bead. A ball key for opening a sub-bead lock core, comprising: a key blank and a hand-held portion coupled to the rear end of the key embryo; the corresponding sides of the key blank are respectively provided with a groove extending from the front end to the rear end, the key The front end of the embryo has a slit connecting the two grooves, the slit is provided with a rotating ball, and the circumference of the ball respectively protrudes from the groove; and the groove has a groove bottom surface as an abutting portion of the inner end of the inner mother ball . The ball key of the sub-bead lock is opened as described in claim 6 of the patent application, wherein the groove is located at the front end or the middle of the key embryo. The ball key of the sub-bead lock is opened as described in claim 7 of the patent application, wherein the ball is an oblate type roller. The ball key for opening the sub-bead lock core according to the eighth aspect of the patent application, wherein the key blank is provided with a pin hole communicating with the slit, and the pin hole is provided with a shaft pin, and the shaft pin is disposed through The ball.