阅读说明：本技术 一种自动锁锁芯 (Automatic lock core ) 是由 马文杰 王喜锋 冯伟坚 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种自动锁锁芯,包括锁壳、锁胆、拨套、离合组件和尾尺组件,锁胆上开设有钥匙孔,锁胆的末端到离合组件之间依次且轴向设置有连接挡片、推动顶件和定位驳胆,连接挡片与锁胆连接,锁壳上且于定位驳胆的上侧设置有安装槽,定位驳胆的顶部设置有与安装槽的槽口相对齐的第一凹槽,第一凹槽内嵌置有拨珠,安装槽内安装有限制拨珠移动的限位弹簧,通过增加连接挡片、推动顶件和定位驳胆,将钥匙孔和离合组件隔开,使得钥匙不能直接推动离合转件,这种结构,一方面,使锁更加安全,即使有异物进入钥匙孔,也不会进入比钥匙孔更深的地方,容易取出异物,也便于后期维修；另一方面,可确保钥匙在忘记拔出时,仍然可在房间里开锁。(The invention discloses an automatic lock core, which comprises a lock shell, a lock liner, a shifting sleeve, a clutch component and a tail ruler component, wherein a key hole is formed in the lock liner, a connecting separation blade, a pushing ejector and a positioning barge liner are sequentially and axially arranged between the tail end of the lock liner and the clutch component, the connecting separation blade is connected with the lock liner, a mounting groove is formed in the lock shell and on the upper side of the positioning barge liner, a first groove which is aligned with a notch of the mounting groove is formed in the top of the positioning barge liner, shifting balls are embedded in the first groove, a limiting spring for limiting the shifting balls to move is arranged in the mounting groove, the key hole and the clutch component are separated by increasing the connecting separation blade, the pushing ejector and the positioning barge liner, so that a key cannot directly push the clutch rotating component, and the structure ensures that the lock is safer on the one hand, even if foreign matters enter the key hole, the key cannot enter a place deeper than the key hole, and the, the later maintenance is convenient; on the other hand, the lock can be unlocked in a room when the key is forgotten to be pulled out.)

1. An automatic lock core comprises a lock shell (1), a lock liner (2) in the lock shell (1), a locking mechanism arranged on the lock shell (1) and the lock liner (2), a shifting sleeve (3), a clutch component capable of axially moving in the shifting sleeve (3) and a tail ruler component matched with the shifting sleeve (3) and the clutch component, wherein a key hole (4) is formed in the lock liner (2), a lock liner cavity (5) is arranged on the lock shell (1), and the automatic lock core is characterized in that a connecting separation blade (6), a pushing top piece (7) capable of axially moving along with the rotation of the connecting separation blade (6) and a positioning connecting liner (8) matched with the pushing top piece (7) are sequentially and axially arranged in the lock liner cavity (5) from the tail end of the lock liner (2) to the clutch component, the connecting separation blade (6) is connected with the lock liner (2), the location is refuted courage (8) can with dial cover (3) and clutch assembly cooperatees, lock shell (1) go up and in the upside of location is refuted courage (8) is provided with mounting groove (9), the top of location is refuted courage (8) be provided with first recess (81) that the notch of mounting groove (9) is aligned, first recess (81) are embedded to be put can along mounting groove (9) reciprocate dial pearl (10) and restriction dial pearl (10) removal and install spacing spring (11) in mounting groove (9) set up a transition card portion on promoting kicking piece (7), rotate during lock courage (2), promote kicking piece (7) can be along with the rotation of connecting separation blade (6) and the realization rotation after an axial displacement.

2. The automatic lock core according to claim 1, wherein a first accommodating cavity (12) coaxial with the lock core cavity (5) is arranged in the positioning connection core (8), the clutch assembly comprises a clutch shaft center (13), a first clutch rotating piece (14) and a second clutch rotating piece (15) sleeved on the clutch shaft center (13), and a first spring (16) capable of pushing the clutch shaft center (13) to move axially, the first clutch rotating piece (14) is provided with a second accommodating cavity (17) accommodating the first spring (16) and corresponding to the first accommodating cavity (12), and the clutch shaft center (13) can move axially in the first accommodating cavity (12) and the second accommodating cavity (17); one end of the first clutch rotating piece (14) abuts against the second clutch rotating piece (15), and the other end of the first clutch rotating piece abuts against the positioning barge liner (8).

3. The automatic lock core according to claim 1, characterized in that one end of the connecting catch (6) away from the lock core (2) is provided with a boss (61) with a triangular longitudinal section, a notch (71) with a triangular longitudinal section is arranged at a position corresponding to the pushing top piece (7) and matched with the boss (61), and the transition clamping part on the pushing top piece (7) is a platform (711) arranged at the opening of the notch (71).

4. The automatic lock cylinder according to claim 2, characterized in that the rear part of the lock shell (1) is provided with a third receiving chamber (18) coaxial with the first receiving chamber (12), and the tail rule assembly comprises a first tail rule rotating piece (19) installed in the third receiving chamber (18), a second tail rule rotating piece (20) connected to the first tail rule rotating piece (19), and a second spring (21) capable of pushing the second clutch rotating piece (15) to move axially.

5. The automatic locking core according to claim 4, characterized in that said first tail ruler rotor (19) is provided with a fourth housing cavity (22) capable of housing said second spring (21) and said second clutch rotor (15), said fourth housing cavity (22) being coaxial with said third housing (18) cavity; one end of the second spring (21) abuts against the first tail ruler rotating piece (19), the other end of the second spring abuts against the second clutch rotating piece (15), and the second tail ruler rotating piece (20) extends out of the tail portion of the lock shell (1).

6. The automatic locking core according to claim 1, characterized in that the pushing top piece (7) is provided with a first engaging portion (72), and the positioning connection bladder (8) is provided with a first protrusion (82) engaged with the first engaging portion (72).

7. The lock core according to claim 1, characterized in that a third spring (23) is arranged on the positioning lighter bladder (8), one end of the third spring (23) abuts against the positioning lighter bladder (8), and the other end abuts against the pushing top piece (7).

8. The automatic lock core according to claim 5, characterized in that a second groove (31) is provided in the dial sleeve (3), a second engaging portion (83) is provided on the positioning connection bladder (8), a second protrusion (141) engaged with the second engaging portion (83) is provided on the first clutch rotating member (14), and the second protrusion (141) can be engaged with both the second engaging portion (83) and the second groove (31).

9. The automatic locking core according to claim 8, characterized in that the first tail ruler rotating member (19) is provided with a third engaging portion (191), the second clutch rotating member (15) is provided with a third protrusion (151), and the third protrusion (151) can be engaged with the third engaging portion (191) or the second groove (31).

Technical Field

The invention relates to the technical field of locks, in particular to an automatic lock core.

Background

The mode of realizing unlocking through a lock cylinder of an intelligent lock (fingerprint, magnetic card, coded lock, etc.) in the market at present is as follows: firstly, the motor is controlled by the intelligent control system to drive the tail ruler assembly to rotate, the tail ruler assembly is matched with the shifting sleeve, and the shifting sleeve rotates along with the rotation of the tail ruler assembly, so that automatic unlocking is realized; secondly, the lock is manually unlocked outside the door through a key, namely after the key is inserted into a key hole, a locking mechanism on the lock liner is in an unlocking state, the key pushes the lock liner clutch assembly to be matched with the shifting sleeve, the tail ruler assembly is pushed away from the shifting sleeve, the lock liner is rotated, the lock liner drives the lock liner clutch assembly to rotate, and the lock liner clutch assembly drives the shifting sleeve to rotate, so that unlocking is realized; or the inserted key can also cause the tail ruler component to be separated from the shifting sleeve due to forgetting to pull out the key, so that the automatic unlocking in the door cannot be realized. Therefore, an improved technique for solving the problem in the prior art is desired.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the lock cylinder which can prevent foreign matters from entering the deep part of the lock cylinder and can still be conveniently unlocked in a room when the foreign matters enter a key hole or a key is forgotten to be pulled out.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an automatic lock core comprises a lock shell, a lock liner in the lock shell, a locking mechanism arranged on the lock shell and the lock liner, a shifting sleeve, a clutch component capable of axially moving in the shifting sleeve and a tail ruler component matched with the shifting sleeve and the clutch component, wherein a key hole is formed in the lock liner, a lock liner cavity is formed in the lock shell, a connecting separation blade, a pushing ejector component capable of axially moving along with the rotation of the connecting separation blade and a positioning refuting liner matched with the pushing ejector component are sequentially and axially arranged between the tail end of the lock liner and the clutch component in the lock liner cavity, the connecting separation blade is connected with the lock liner, the positioning refuting liner can be matched with the shifting sleeve and the clutch component, a mounting groove is formed in the lock shell and on the upper side of the positioning refuting liner, a first groove aligned with a notch of the mounting groove is formed in the top of the positioning refuting liner, the first groove is internally embedded with a shifting ball which can move up and down along the mounting groove and a limiting spring which limits the shifting ball to move and is arranged in the mounting groove, the pushing top piece is provided with a transition clamping part, and when the lock liner is rotated, the pushing top piece can axially move along with the rotation of the connecting separation blade, is positioned and moves and then realizes the rotation action.

A first containing cavity coaxial with the lock cylinder cavity is arranged in the positioning refuting cylinder, the clutch assembly comprises a clutch shaft center, a first clutch rotating piece and a second clutch rotating piece which are sleeved on the clutch shaft center, and a first spring capable of pushing the clutch shaft center to move axially, the first clutch rotating piece is provided with a second containing cavity which contains the first spring and corresponds to the first containing cavity, and the clutch shaft center can move axially in the first containing cavity and the second containing cavity; one end of the first clutch rotating piece is abutted against the second clutch rotating piece, and the other end of the first clutch rotating piece is abutted against the positioning barge liner.

The connecting separation blade is far away from one end of the lock liner and is provided with a boss with a triangular longitudinal section, a notch with a triangular longitudinal section and matched with the boss is arranged at the position corresponding to the pushing top piece, and a transition clamping part on the pushing top piece is a platform arranged at the opening of the notch.

The tail part of the lock shell is provided with a third accommodating cavity coaxial with the first accommodating cavity, and the tail ruler assembly comprises a first tail ruler rotating piece arranged in the third accommodating cavity, a second tail ruler rotating piece connected to the first tail ruler rotating piece and a second spring capable of pushing the second clutch rotating piece to move axially.

A fourth accommodating cavity capable of accommodating the second spring and the second clutch rotating piece is formed in the first tail ruler rotating piece, and the fourth accommodating cavity is coaxial with the third accommodating cavity; one end of the second spring is abutted against the first tail ruler rotating piece, the other end of the second spring is abutted against the second clutch rotating piece, and the second tail ruler rotating piece extends out of the tail portion of the lock shell.

The pushing top piece is provided with a first clamping part, and the positioning refuting liner is provided with a first bulge matched with the first clamping part.

The positioning refuting liner is provided with a third spring, one end of the third spring abuts against the positioning refuting liner, and the other end of the third spring abuts against the pushing ejector.

The shifting sleeve is internally provided with a second groove, the positioning barge liner is provided with a second clamping part, the first clutch rotating piece is provided with a second bulge matched with the second clamping part, and the second bulge can be matched with the second clamping part and also can be matched with the second groove.

The first tail ruler rotating piece is provided with a third clamping portion, the second clutch rotating piece is provided with a third protrusion, and the third protrusion can be matched with the third clamping portion and also can be matched with the second groove.

The invention has the beneficial effects that: compared with the prior art, the connecting separation blade connected with the lock liner, the pushing top piece capable of axially moving along with the rotation of the connecting separation blade and the fixed positioning refuting liner are added, so that a key hole and the clutch assembly are separated, a key cannot directly push the clutch rotating piece, the connecting separation blade is driven by the lock liner to rotate, the pushing top piece is driven to move towards the sleeve shifting direction, and the clutch assembly is further driven to move towards the sleeve shifting direction; the design structure ensures that the lock is safer, even if foreign matters enter the key hole, the foreign matters cannot enter a place deeper than the key hole, and are easy to take out and maintain; on the other hand, the key can be ensured to be automatically unlocked in a room when the key is forgotten to be pulled out or foreign matters enter the key hole.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a cross-sectional view of the present invention during unlocking;

FIG. 4 is a schematic view of the structure when latched;

FIG. 5 is a schematic view of the structure during unlocking;

fig. 6 is a schematic structural view of the dial sleeve.

Detailed Description

Referring to fig. 1 to 6, an automatic lock core includes a lock case 1, a lock core 2 in the lock case 1, a locking mechanism disposed on the lock case 1 and the lock core 2, a dial sleeve 3, a clutch component axially movable in the dial sleeve 3, and a tail rule component matching with the dial sleeve 3 and the clutch component, wherein the lock case 1 and the lock core 2 are provided with locking mechanisms, which may be locking mechanisms such as balls and blades in the prior art. A key hole 4 is formed in the lock cylinder 2, a lock cylinder cavity 5 is formed in the lock shell 1, and a connecting separation blade 6, a pushing ejector 7 and a positioning connection cylinder 8 are sequentially and axially arranged between the tail end of the lock cylinder 2 and the clutch component in the lock cylinder cavity 5. Wherein, the clutch assembly includes: the connecting separation blade 6 is connected with the lock core 2, the connection can be screw connection or clamping connection, and the connecting separation blade 6 can rotate along with the rotation of the lock core 2. A first clamping portion 72 is arranged at one end of the push top piece 7 close to the positioning refuting bladder 8, and a first protrusion 82 matched with the first clamping portion 72 is arranged at one end of the positioning refuting bladder 8 close to the push top piece 7. The matching can lead the pushing top piece 7 to axially move on the positioning refuge bladder 8 and also can drive the positioning refuge bladder 8 to rotate. A first accommodating cavity 12 coaxial with the lock container cavity 5 is arranged in the positioning refuting container 8, the clutch assembly comprises a clutch shaft center 13, a first clutch rotating piece 14 and a second clutch rotating piece 15 which are sleeved on the clutch shaft center 13, and a first spring 16 capable of pushing the clutch shaft center 13 to move axially, the first clutch rotating piece 14 is provided with a second accommodating cavity 17 which is used for accommodating the first spring 16 and corresponds to the first accommodating cavity 12, and the clutch shaft center 13 can move axially in the first accommodating cavity 12 and the second accommodating cavity 17; one end of the first clutch rotating member 14 abuts against the second clutch rotating member 15, and the other end abuts against the positioning barge liner 8.

As the preferred scheme that the positioning refute courage 8 with dial the cover 3 and the clutch assembly cooperatees, the concrete structure is: a second groove 31 is arranged in the shifting sleeve 3, a second clamping portion 83 is arranged at one end of the positioning barge liner 8 close to the shifting sleeve 3, a second protrusion 141 matched with the second clamping portion 83 is arranged on the first clutch rotating piece 14, and the second protrusion 141 can be matched with the second clamping portion 83 or the second groove 31 of the shifting sleeve 3. When one part of the second protrusion 141 is engaged with the second engaging portion 83 and the other part is engaged with the second groove 31, the shifting sleeve 3 rotates along with the rotation of the positioning barge liner 8, so as to realize manual unlocking. When the second protrusion 141 is only engaged with the second engaging portion 83, but not engaged with the dial sleeve 3, i.e. separated from the dial sleeve 3, automatic unlocking can be achieved in the door.

The lock shell 1 is provided with a mounting groove 9 on the upper side of the positioning barge liner 8, the top of the positioning barge liner 8 is provided with a first groove 81 aligned with a notch of the mounting groove 9, a shifting bead 10 capable of moving up and down along the mounting groove 9 and a limiting spring 11 limiting the shifting bead 10 to move and mounted in the mounting groove 9 are embedded in the first groove 81, when the lock liner 2 is rotated, a transition clamping part is arranged on the pushing ejector 7, so that the pushing ejector can axially move for a certain displacement along with the rotation of the connecting blocking piece 6 to realize the rotation action, and the certain displacement is enough to push a second clutch rotating piece 15 in the tail ruler assembly away from the shifting sleeve 3, namely the tail ruler assembly is separated from the shifting sleeve 3. To achieve these actions, the specific structure is preferably: the end, far away from the lock container 2, of the connecting baffle 6 is provided with a boss 61 with a triangular longitudinal section, a notch 71 with a triangular longitudinal section and matched with the boss 61 is arranged at a position corresponding to the pushing top part 7, and a platform 711 is arranged at an opening of the notch 71.

In order to enable the pushing top piece 7 to be reset after unlocking, a third spring 23 is arranged on the positioning refuge bladder 8, one end of the third spring 23 abuts against the positioning refuge bladder 8, and the other end of the third spring abuts against the pushing top piece 7. The spring may be disposed in the first engaging portion 72 to extend out, or may be disposed in another portion of the positioning barge liner 8.

The tail part of the lock shell 1 is provided with a third accommodating cavity 18 coaxial with the first accommodating cavity 12, and the tail ruler assembly comprises a first tail ruler rotating piece 19 and a second tail ruler rotating piece 20 which are arranged in the third accommodating cavity 18, and a second spring 21 capable of pushing the second clutch rotating piece 15 to move axially.

The first tail ruler rotating piece 19 is provided with a fourth accommodating cavity 22 which can accommodate the second spring 21 and the second clutch rotating piece 15, and the fourth accommodating cavity 22 is coaxial with the third accommodating cavity 18; one end of the second spring 21 is abutted against the first tail ruler rotating piece 19, the other end is abutted against the second clutch rotating piece 15, and the second tail ruler rotating piece 20 extends out of the tail part of the lock shell 1.

As a preferable scheme for matching the tail ruler assembly with the dial sleeve 3 and the second clutch rotating member 15, the first tail ruler rotating member 19 is provided with a third engaging portion 191, the second clutch rotating member 15 is provided with a third protrusion 151, and the third protrusion 151 can be matched with the third engaging portion 191 or the second groove 31. When one part of the third protrusion 151 is engaged with the third engaging portion 191 and the other part is engaged with the second groove 31, the dial sleeve 3 rotates along with the rotation of the first tail ruler rotating piece 19, so as to realize automatic unlocking. When the third protrusion 151 is only engaged with the first tail ruler rotating piece 19, but not engaged with the dial sleeve 3, i.e. separated from the dial sleeve 3, the lock can be manually unlocked outside the door.

The working process of the invention is as follows:

1. manual unlocking process with key:

when the lock is closed, the locking mechanism is in a locking state, under the action of the second spring 21, the second clutch rotating piece 15 is pushed to axially move towards the lock cylinder direction, one part of the third protrusion 151 of the second clutch rotating piece 15 is embedded with the third clamping part 191 of the first tail ruler rotating piece 19, the other part of the third protrusion is embedded with the groove 31 of the shifting sleeve 3, and the first clutch rotating piece 14 is pushed away from the shifting sleeve 3; under the action of the first spring 16, the clutch shaft center 13 resets and abuts against the pushing top piece 7, and under the action of the third spring 23, the pushing top piece 7 resets and is attached to the connecting baffle 6. When a key is inserted into the key hole 4 and is inserted into an unlocking state, namely, the locking mechanism is unlocked, then the key is rotated, the lock liner 2 rotates, the triangular boss 61 on the connecting baffle 6 rotates, the positioning connection liner 8 cannot rotate at the moment because the shifting ball 10 limits the positioning connection liner 8, the pushing ejection piece 7 is limited by the first bulge 82 of the positioning connection liner 8 and cannot rotate, the triangular boss 61 rotates in the triangular notch 71 of the pushing ejection piece 7, so that the pushing ejection piece 7 pushes the clutch shaft center 13 to axially move towards the direction of the shifting sleeve 3, the clutch shaft center 13 presses the first spring 16 again, the first clutch rotating piece 14 axially moves towards the direction of the shifting sleeve 3, the first clutch rotating piece 14 is matched with the shifting sleeve 3, after the shifting distance, the second clutch rotating piece 15 is pushed away from the shifting sleeve 3, the boss 61 rotates by a certain angle, so that the boss 61 is contacted with the platform 711 on the notch 71, at this moment, the rotating force for pushing the ejector 7 is larger than the limiting force for pushing the ball 10, then the key is rotated, the lock liner 2 drives the connecting baffle 6, the ejector 7 and the positioning plug-in liner 8 to rotate together, at this moment, the ball 10 is pulled out of the first groove 81 and moves upwards along the mounting groove 9, because at this moment, one part of the second protrusion 141 of the first clutch rotating piece 14 is embedded with the second clamping part 83 of the positioning plug-in liner 8, the other part is embedded with the second groove 31 of the shifting sleeve 3, the positioning plug-in liner 8 drives the first clutch rotating piece 14 to rotate, and then the shifting sleeve 3 is driven to rotate, so that unlocking is realized.

2. The unlocking process in the house after closing the door is carried out without pulling out the key:

when the key is not pulled out, under the action of the second spring 21, one part of the second protrusion 151 of the second clutch rotating piece 15 is embedded with the third clamping part 191 of the first tail ruler rotating piece 19, the other part is embedded with the groove 51 of the dial sleeve 3, namely, the first tail ruler rotating piece 19 is embedded with the dial sleeve 3, and the first clutch rotating piece 14 is pushed away from the dial sleeve 3; at this moment, the motor is started in the room to drive the second tail ruler rotating piece 20 to rotate, and then the first tail ruler rotating piece 19 is driven to rotate, so that the shifting sleeve 3 rotates, and the lock can be unlocked.

3. The indoor unlocking process under the condition that someone inserts the keyhole with foreign matter:

after the foreign matter is inserted, the foreign matter is blocked from further entering due to the existence of the connecting blocking piece 6, and the first clutch rotating piece 14 and the shifting sleeve 3 are in a separated state, and the tail ruler assembly is matched with the shifting sleeve 3, so that a motor can be started in a house to drive the tail ruler to unlock.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.