TWI781775B - Lock core structure - Google Patents

Abstract

The present invention is to provide a lock core structure, which is mainly composed of a lock core base, a lock core shell, a push piece, a number of lock pieces, a number of spacers, a positioning piece, a locking lever, a brake tumbler plate, a Composed of a positioning block and a clasp, a housing groove is provided on the wall of the chamber of the lock core seat, a shaft hole is provided on one side of the housing groove, and a groove is provided on the other side of the housing groove. The interior ring of the lock core base is provided with a ring groove, and the inner bottom surface of the lock core shell is provided with a chute, and a concave hole is arranged in the chute, and a push piece is arranged in the chute of the lock core shell, and the push There is a perforation on the sheet, and a brake tumbler plate is set in the accommodation groove of the lock core seat. One side of the brake tumbler plate is provided with a support shaft, and the support shaft is set in the shaft hole of the lock core seat. The compression spring is set in the groove of the lock core seat, and the compression spring pushes against the stopper plate, and a positioning block is set in the chamber of the lock core base, and is located at the bottom of the lock core shell. The position of the positioning block is corresponding to the position of the slot of the lock core seat, and the first stop body is protruded, and the position of the positioning block is corresponding to the position of the accommodating groove and the groove of the lock core seat. The ring system is embedded in the ring groove of the lock core seat, so that when the key is not fully inserted into the bottom surface of the lock core shell, the lock core will not be turned, and the best anti-theft effect can be achieved.

Description

Lock core structure

The present invention relates to a lock core structure, in particular to a lock core housing with a push piece and a lock plate inside the lock core seat, so that the key can be inserted into the lock core shell when the key is not fully inserted. When the lock core is not rotated, the best anti-theft effect can be achieved.

Press, the structure of the core of a general laminated lock, please refer to the first and second figures, mainly a lock core 1 is provided, and the lock core 1 is composed of a lock core seat 10, a lock core shell 11, and a latch Rod 12, several locking pieces 13, several gaskets 14 and a positioning piece 15 are formed. The lock core seat 10 is provided with a chamber 100, and the inner wall of the chamber 100 is provided with a recess 101, a locking lever 12 is embedded in the embedding groove 101, a key socket 102 is provided on the lock core base 10, and the lock core housing 11 is set in the chamber 100 of the lock core base 10, and the lock core housing 11 The wall surface is provided with a notch 110 and a notch 111, a part of the latch lever 12 is embedded in the notch 110 of the lock core shell 11, and several locking pieces 13 and gaskets 14 are interlaced on the lock core In the shell 10, a keyhole 130 is provided on each of the lock pieces 13, and an arc notch 131 is provided on the outer edge of each lock piece 13. A protruding block 132 is provided on the outer edge, and the protruding block 132 is set in the gap 111 of the lock core shell 11, and a perforation 140 is provided in the gaskets 14, and an arc concave is provided on the outer edge of each gasket 14. mouth 141, the arc notch 141 is for the locking rod 12 to be embedded, and a flange 142 is provided on the outer edge of each gasket 14, and the flange 142 is set in the gap 111 of the lock core shell 11 to position The sheet 15 is arranged on the end of the lock core shell 11, the positioning sheet 15 is provided with a key hole 150, and the two corresponding long edges of the key hole 150 are each provided with a protruding body 151, so that it is a laminated lock The lock cylinder structure, by inserting the key from the key socket 102 of the lock core seat 10 into the key hole 150 of the positioning piece 15 and the key hole 130 of each lock plate 13 in the lock core shell 11 and each gasket 14 In the perforation 140 of the key, the guide groove on the key is aligned with the convex body 151 on the positioning piece 15, and the grooves on the two opposite wall surfaces of the key are aligned with the positions of each lock piece 13 and washer 14, then it can be fixed. Rotate and drive the lock core shell 11 to rotate to achieve the action of unlocking and locking; however, if each lock plate 13 in the lock core shell 11 of a general laminated lock is inserted into the key hole 130 with an incorrect key, it can still be locked. Each lock plate 13 rotates about 90 degrees (that is, the angle of the notch 111 on the lock core shell 11), if the user does not fully insert the key into the inner bottom surface of the lock core shell 11 or when the thief turns the key forcefully with an incorrect key, it will The key hole 130 of the lock plate 13 or the key is deformed or broken, which will easily cause the unblanking and locking of the lock core to rotate unsmoothly and affect the anti-theft effect.

The main purpose of the present invention is to provide a lock core structure, which can effectively solve the disadvantages of conventional lock cores in use.

The lock core structure of the present invention includes: A lock core seat, the lock core seat is provided with a chamber, the inner wall of the chamber is provided with a slot, and the lock core seat is provided with a key socket; A lock core shell is set in the chamber of the lock core seat, the wall of the lock core shell is provided with a notch and a gap, and several lock pieces and several gaskets are interlaced and stacked in the lock core shell , each lock piece is provided with a key hole, each lock piece is provided with an arc notch on the outer edge, and each lock piece is provided with a protrusion on the outer edge, and the protrusion is set in the gap of the lock core shell inside, and each of the spacers is provided with a perforation, and the outer edge of each of the spacers is provided with an arc notch, and a flange is provided on the outer edge of each of the spacers, and the flange is set on the lock core In the gap of the shell; A positioning piece is arranged at the end of the lock core shell and put into the chamber of the lock core seat. The positioning piece is provided with a key hole, and the two corresponding long edges of the key hole are respectively provided with a convex body; A catch lever, one part of which is embedded in the slot of the lock core shell, and embedded in the arc notch of the lock piece and the washer, and the other part of the catch lever is embedded in the lock In the socket of the heart seat; It is characterized in that: the wall of the chamber of the lock core seat is provided with an accommodating groove, one side of the accommodating groove is provided with a shaft hole, the other side of the accommodating groove is provided with a groove, the lock core seat There is a ring groove in the inner ring of the lock core shell, a chute is set on the bottom surface of the lock core shell, a concave hole is arranged in the chute, a push piece is set in the chute of the lock core shell, and a perforation is set on the push piece , a brake tumbler plate is set in the accommodating groove of the lock core seat, one side of the brake tumbler plate is provided with a fulcrum, the support shaft is set in the shaft hole of the lock core seat, and a compression spring is set In the groove of the lock core seat, the compressed spring pushes against the brake tumbler plate. A positioning stop is set in the chamber of the lock core seat and is located at the bottom of the lock core case. The positioning stop A through hole is provided, and the positioning block is provided with a first block corresponding to the position of the slot of the lock core seat, and the positioning block is provided with a second block corresponding to the position of the accommodating groove and the groove of the lock core seat. As for the blocking body, a buckle is arranged on the outer side of the positioning block, and the buckle is embedded in the ring groove of the lock core seat.

The lock core structure of the present invention has the advantage that when unlocking the lock with a key, the key must be fully inserted into the lock core before the lock core can be rotated to unlock, which can protect each lock piece when the key is not fully inserted into the lock core. Not being rotated arbitrarily, so that the service life of the lock core structure is long, and it has more anti-theft effect.

Relevant present invention is to reach above-mentioned purpose of use and effect, the technical means that adopts, hereby enumerates preferred and feasible embodiment, and cooperates as shown in the drawing, is described in detail as follows:

Embodiments of the present invention, as shown in the third to fifth figures, are mainly provided with a lock core 2, and the lock core 2 is provided with a lock core seat 20, a lock core shell 21, a push piece 22, and several pieces of locks. Sheet 23, several pads 24, a locating piece 25, a catch lever 26, a brake tumbler plate 27, a locating block 28 and a clasp 29 are formed, and the lock core seat 20 is provided with a chamber 200, The wall of the chamber 200 is provided with a slot 201, and the wall of the chamber 200 is provided with a housing groove 202. One side of the housing groove 202 is provided with a shaft hole 203, and the other side of the housing groove 202 is provided with There is a groove 204, the inner ring of the chamber 200 of the lock core base 20 is provided with a ring groove 205, the lock core base 20 is provided with a key insertion hole 206, and the lock core housing 21 is arranged on the lock core base 20 In the chamber 200, a notch 210 and a notch 211 are provided on the wall surface of the lock core case 21, a chute 212 is provided on the inner bottom surface of the lock core case 21, a concave hole 213 is provided in the chute 212, and the push piece 22 is located in the chute 212 of the lock core shell 21, a perforation 220 is provided on the push piece 22, and several pieces of the lock plate 23 and several pieces of the pads 24 are interlaced and stacked in the lock core shell 21. Each of the locking pieces 23 is provided with a key hole 230, and the outer edge of each of the locking pieces 23 is provided with an arc notch 231, and the arc notch 131 is used for the locking lever 26 to be embedded in each of the locking pieces 23. The outer edge is provided with a protruding block 232 in addition, and this protruding block 232 is located in the gap 211 of the lock core shell 21, and each of the pads 24 is provided with a perforation 240, and each of the pads 24 is provided with a perforation on the outer edge. Arc notch 241, the arc notch 241 is for the locking rod 26 to be embedded, and a flange 242 is provided on the outer edge of each gasket 24, and the flange 242 is arranged in the gap 211 of the lock core shell 21 Inside, and this locating piece 25 is arranged on the end of this lock core shell 21, and this locating piece 25 is provided with a keyhole 250, and this keyhole 250 two corresponding long edges are respectively provided with a protruding body 251, and this One part of the catch lever 26 is embedded in the slot 210 of the lock core housing 21, the other part of the catch lever 26 is embedded in the slot 201 of the lock core seat 20, and the brake tumbler plate 27 is Set in the accommodating groove 202 of the lock core seat 20, one side of the brake tumbler plate 27 is provided with a support shaft 270, and the support shaft 270 is arranged in the shaft hole 203 of the lock core seat 20, and a compression spring 271 It is set in the groove 204 of the lock core base 20, the compression spring 271 pushes against the brake tumbler plate 27, and the positioning stopper 28 is set in the chamber 200 of the lock core base 20, and is located in the lock core base 20. At the bottom of the lock core housing 21, the positioning stopper 28 is provided with a through hole 280, and the position of the positioning stopper 28 is corresponding to the slot 201 of the lock core seat 20. A second blocking body 282 protrudes from the accommodating groove 202 and the groove 204 of the lock core seat 20. The buckle 29 is arranged on the outside of the positioning block 28, and the buckle 29 is embedded in the lock. In the ring groove 205 of the heart seat 20, so, it is a lock heart knot structure.

When assembling, please refer to the third to sixth pictures, first place the push piece 22 into the chute 212 of the lock core shell 21, and then place several lock pieces 23 and several pieces of spacers 24 alternately in the In the lock core shell 21, make the protrusions 232 of each lock plate 23 and the flanges 242 of each gasket 24 align with each other and set them in the gap 211 of the lock core shell 21, and then embed a part of the latch lever 26 in the lock core shell 21. In the slot 210 of the lock core housing 21, the positioning piece 25 is arranged on the end of the lock core housing 21, and the compression spring 271 is placed in the groove 204 of the lock core seat 20, and the brake tumbler plate 27 is set. Insert it into the accommodation groove 202 of the lock core seat 20, and set the fulcrum 270 of the brake tumbler plate 27 in the shaft hole 203 of the lock core seat 20, so that the brake tumbler plate 27 can rotate and swing with the fulcrum 270 as the fulcrum , and the compression spring 271 pushes against the brake tumbler plate 27, and then puts the above-mentioned assembled positioning piece 25 and the lock core shell 21 into the chamber 200 of the lock core base 20, and protrudes from the lock core shell The other part of the locking rod 26 on the 21 is embedded in the slot 201 of the lock core seat 20, and then the positioning stopper 28 is arranged in the chamber 200 of the lock core seat 20, and the bottom of the lock core shell 21 and Through the through hole 280 of the positioning block 28, the first block 281 of the positioning block 28 is embedded in the slot 201 of the lock core seat 20 for positioning, and the second block 282 of the positioning block 28 is set In the accommodating groove 202 and the groove 204 of the lock core seat 20, the stopper plate 27 and the compression spring 271 can be held and positioned, and then the buckle ring 29 is buckled in the ring groove 205 of the lock core seat 20, and then The positioning block 28 is positioned in the chamber 200 of the lock core seat 20, so that the overall assembly can be completed.

The lock core structure of the present invention can be assembled on various locks for use, and when the lock core structure of the present invention is in use, please refer to the sixth to ninth figures, when the key 3 is not inserted into the key of the lock core seat 20 When the insertion hole 206 and the positioning piece 25 and the key holes 250 and 230 of each lock piece 23 are inside (as shown in the sixth and seventh figures), the protrusions 232 of each lock piece 23 and each gasket 24 in the lock core shell 21 The flange 242 is blocked by the stopper plate 27 and cannot be rotated (as shown in the seventh figure), and when the user inserts the correct key 3 into the key socket 206 of the lock core seat 20 and the positioning piece 25 and When in the key hole 250,230 of each lock plate 23, if the key 3 is not inserted to the end, the projection 232 of each lock plate 23 and the flange 242 of each spacer 24 are still blocked by the brake tumbler plate 27 and cannot be locked. is turned, so the key 3 must be inserted into the inner bottom of the lock core shell 21, and the key 3 is inserted into the perforation 220 of the push piece 22, so that the push piece 22 is pushed by the key 3 to the inside of the lock core shell 21. The chute 212 slides, and one end of the push piece 22 resists the rotation of the brake tumbler plate 27 (as shown in the eighth and ninth figures), and the brake tumbler plate 27 rotates and squeezes the compression spring 271, so that the compression spring 271 It is in an elastic compression state, and after the brake tumbler plate 27 is resisted and pushed by the push plate 22 to rotate in the accommodation groove 202, it no longer blocks the protrusions 232 of each lock plate 23 and the flanges 242 of each spacer 24, so, Then turn the key 3 and drive the lock core shell 21 to rotate to complete the unlocking action; and when the key 3 is unlocked and turned to pull out the lock core, the protrusions 232 of each lock plate 23 and the flanges 242 of each gasket 24 are then opposed to each other again. positive, and the push piece 22 is no longer pushed by the key 3, the brake tumbler plate 27 and the push piece 22 are pushed back to the original position by the elastic recovery of the compression spring 271 (as shown in the sixth and seventh figures), so that The brake tumbler plate 27 blocks again the projection 232 of each lock piece 23 and the flange 242 of each gasket 24 in the lock core housing 21, so that each lock piece 23 and each gasket 24 cannot be rotated; The inner bottom of the lock core housing 21 is provided with a chute 212 and a push piece 22. When the key 3 is not fully inserted into the inner bottom surface of the lock core housing 21, the key 3 cannot be turned, which can prevent the key 3 from being deformed by forcefully rotating the lock core. It can increase the service life of the key and lock core structure, and has excellent anti-theft effect.

In summary, the present invention has indeed achieved the intended purpose and effect, and is more ideal and practical than those known in the art. However, the above-mentioned embodiments are only specific descriptions for the preferred embodiments of the present invention. This embodiment is not intended to limit the scope of the patent application of the present invention. For example, all other equal changes and modifications that are not deviated from the technical means disclosed in the present invention should be included in the scope of the patent application covered by the present invention.

1: lock heart

10: Lock core seat

100: Containment room

101: slotting

102: key jack

11: Lock core shell

110: Grooving

111: Gap

12: Lever

13: locking piece

130: key hole

131: arc notch

132: Bump

14: Gasket

140: perforation

141: arc notch

142: Flange

15: Positioning piece

150: key hole

151: convex body

2: lock heart

20: lock core seat

200: room

201: Embedding

202: storage tank

203: shaft hole

204: Groove

205: ring groove

206: key jack

21: lock core shell

210: Grooving

211: Gap

212: Chute

213: concave hole

22: push film

220: perforation

23: locking piece

230: key hole

231: arc notch

232: Bump

24: Gasket

240: perforation

241: arc notch

242: Flange

25: Positioning piece

250: key hole

251: convex body

26: card lever

27: Brake tumbler plate

270: pivot

271: Compression spring

28: positioning block

280: through hole

281: The first block

282: The second block

29: Buckle

3: key

Shown in the first figure is a three-dimensional exploded view of a conventional lock core structure. Shown in the second figure is a schematic cross-sectional view of a conventional lock core structure. The third figure is a three-dimensional exploded view of the embodiment of the present invention. The fourth figure is a three-dimensional exploded view of another angle of the embodiment of the present invention. Shown in the fifth figure is a three-dimensional combined view of the embodiment of the present invention. Figure 6 shows a combined sectional view of an embodiment of the present invention. The seventh figure is a schematic cross-sectional view of a lock core without a key inserted in an embodiment of the present invention. The eighth figure is a schematic cross-sectional view showing the combination of the key inserted into the keyhole according to the embodiment of the present invention. Figure 9 is a schematic cross-sectional view of a lock cylinder in which a key is inserted into a keyhole according to an embodiment of the present invention.

2: lock heart

20: lock core seat

200: room

201: Embedding

202: storage tank

203: shaft hole

204: Groove

205: ring groove

206: key jack

21: lock core shell

210: Grooving

211: Gap

212: Chute

213: concave hole

22: push film

220: perforation

23: locking piece

230: key hole

231: arc notch

232: Bump

24: Gasket

240: perforation

241: arc notch

242: Flange

25: Positioning piece

250: key hole

251: convex body

26: card lever

27: Brake tumbler plate

270: pivot

271: Compression spring

28: positioning block

280: through hole

281: The first block

282: The second block

29: Buckle

Claims (1)

A core lock structure, comprising: A lock core seat, the lock core seat is provided with a chamber, the inner wall of the chamber is provided with a slot, and the lock core seat is provided with a key insertion hole; A lock core shell is set in the chamber of the lock core seat, the wall of the lock core shell is provided with a notch and a gap, and several lock pieces and several gaskets are interlaced and stacked in the lock core shell , each lock piece is provided with a key hole, each lock piece is provided with an arc notch on the outer edge, and each lock piece is provided with a protrusion on the outer edge, and the protrusion is set in the gap of the lock core shell inside, and each of the spacers is provided with a perforation, and the outer edge of each of the spacers is provided with an arc notch, and a flange is provided on the outer edge of each of the spacers, and the flange is set on the lock core In the gap of the shell; A positioning piece is arranged at the end of the lock core shell and put into the chamber of the lock core seat. The positioning piece is provided with a key hole, and the two corresponding long edges of the key hole are respectively provided with a convex body; A catch lever, one part of which is embedded in the cutout of the lock core shell, and the other part of the catch lever is embedded in the slot of the lock core seat; It is characterized in that: the wall of the chamber of the lock core seat is provided with an accommodating groove, one side of the accommodating groove is provided with a shaft hole, the other side of the accommodating groove is provided with a groove, the lock core seat There is a ring groove in the inner ring of the lock core shell, a chute is set on the bottom surface of the lock core shell, a concave hole is arranged in the chute, a push piece is set in the chute of the lock core shell, and a perforation is set on the push piece , a brake tumbler plate is set in the accommodating groove of the lock core seat, one side of the brake tumbler plate is provided with a fulcrum, the support shaft is set in the shaft hole of the lock core seat, and a compression spring is set In the groove of the lock core seat, the compressed spring pushes against the brake tumbler plate. A positioning stop is set in the chamber of the lock core seat and is located at the bottom of the lock core case. The positioning stop A through hole is provided, and the positioning block is provided with a first block corresponding to the position of the slot of the lock core seat, and the positioning block is provided with a second block corresponding to the position of the accommodating groove and the groove of the lock core seat. As for the blocking body, a buckle is arranged on the outer side of the positioning block, and the buckle is embedded in the ring groove of the lock core seat.

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