CN218176961U - Car door lock core assembly with single anti-theft structure - Google Patents

Abstract

The utility model provides a door lock core assembly with single theftproof structure, include lock shell, lock sleeve and the lock core of establishing by outer to interior cover in proper order, including an open-top's ladder recess between lock shell and the lock sleeve, include the dog subassembly of atress extrusion deformation in the ladder recess, the dog subassembly is arranged in on the ladder, the lock sleeve corresponds dog subassembly department thickness thinner, be provided with a plurality of can overlap or crisscross locking plate in the lock core, the lock core front end overlaps in proper order and is equipped with spacing subassembly and interlock subassembly, spacing subassembly normal state down with lock core front end match and interlock subassembly swing joint, spacing subassembly edge and dog subassembly cooperation, under the abnormal condition the locking plate extrusion lock sleeve makes dog subassembly deformation, and then stimulates spacing subassembly and breaks away from lock core front end and interlock subassembly and realizes idling. The utility model discloses simple structure, easy dismounting can realize the lock core idle running, prevents that the violence from unblanking, and the theftproof nature is good.

Description

Car door lock core assembly with single anti-theft structure

Technical Field

The utility model belongs to the technical field of auto-parts, concretely relates to car door lock core assembly with single theftproof structure.

Background

Automobile parts are units constituting the whole of automobile parts processing and products serving for the automobile parts processing.

The electronic information technology is gradually widely applied, and a keyless control system in the automobile industry is already in standard allocation. However, under special conditions such as battery power exhaustion, the keyless control system fails, and in order to ensure that the door can be opened under such conditions, the door lock cylinder assembly is still an indispensable automobile part.

At present, in the existing door lock cylinder assembly structure, a door lock cylinder assembly is generally of a non-anti-theft structure, a rocker arm of the lock cylinder assembly is directly connected with a lock mechanism through a buckle, a destructive tool is forcibly inserted into the lock cylinder assembly, when the lock cylinder is forcibly rotated by external force, the lock cylinder assembly is destroyed, the lock cylinder assembly can rotate by 360 degrees, and a door is unlocked and opened. Meanwhile, the lock cylinder assembly is relatively complex in disassembly and assembly, the buckle of the lock cylinder assembly is connected with the pull rod of the lock mechanism, the pull rod clamped on the buckle needs to be taken down by disassembling the door plate, and the lock cylinder assembly can be disassembled from the vehicle door.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a simple structure, easy dismounting can realize the lock core idle running, prevents that the violence is unblanked, the good door lock core assembly that has single theftproof structure of theftproof nature.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a door lock core assembly with single theftproof structure, includes lock shell, lock sleeve and the lock core of establishing by outer to interior cover in proper order, including an open-top's ladder recess between lock shell and the lock sleeve, include the dog subassembly of atress extrusion deformation in the ladder recess, the dog subassembly is arranged in on the ladder, the lock sleeve corresponds dog subassembly department thickness thinner, be provided with a plurality of can overlap or crisscross locking plate in the lock core, the lock core front end overlaps in proper order and is equipped with spacing subassembly and interlock subassembly, spacing subassembly normal state down with lock core front end match and interlock subassembly swing joint, spacing subassembly edge and dog subassembly cooperation, under the abnormal condition the lock plate extrusion lock sleeve makes dog subassembly deformation, and then stimulates spacing subassembly to break away from lock core front end and interlock subassembly and realizes idle running.

Further, the limiting assembly comprises a limiting block body and an inverted L-shaped limiting plate extending outwards from the edge of the limiting block body, the stop block assembly comprises a stop block and a stop block pin shaft extending upwards from the stop block, the limiting plate is located above the stop block pin shaft, and the locking plate extrudes the stop block to enable the stop block to deform and further drive the stop block pin shaft to radially pull the limiting plate. Under the normal condition, the stopper is located dog round pin epaxial department, stopper body and lock core front end cooperation, along with the inserting and the rotation of matching the key, the stopper body rotates along with the lock core rotation and rotates, and then drive limiting plate and interlock subassembly and rotate and realize normal switch lock, the rotation of limiting plate is not influenced by dog round pin axle this moment, after non-matching key inserts, locking plate extrusion axle sleeve and dog drive dog round pin axle along radial displacement, dog round pin axle top is along radially pulling the limiting plate, thereby drive the stopper body and remove the cooperation with lock core front end and interlock subassembly, rotate the key this moment, lock core idle running can't drive spacing subassembly and interlock subassembly and rotate, realize the theftproof function, can avoid violently unblanking and lead to the door to open, the theftproof performance is good.

Further, lock shell front end department is C type structure, spacing subassembly rotates and restricts the turned angle through limiting plate contact C type structure both ends at the opening part of C type structure, the ladder recess sets up in C type structure opening side with the dog subassembly. The lock core rotation angle is limited by the cooperation of the C-shaped structure and the limiting plate, and the lock core rotation angle limiting device is simple in structure, convenient and practical.

Furthermore, the limiting block body is movably connected with the bottom of the linkage assembly through a sliding block and a sliding rail, the sliding rail is arranged along the radius of the stop pin shaft, and the sliding block is separated from the sliding rail when the limiting assembly receives the force of the stop pin shaft. The slide rail is arranged along the radius direction, the slide block is matched with the slide rail under the normal state, when the lock cylinder rotates, the limiting assembly and the linkage assembly synchronously rotate, when the limiting assembly is stressed, the moving track of the limiting assembly moves along the radius where the slide rail is located, the slide block can be separated from the slide rail, at the moment, the lock cylinder rotates, and cannot be transmitted to the linkage assembly, so that the anti-theft function is realized, the structure is simple, and the lock cylinder is convenient and practical.

Furthermore, the limiting block body comprises a limiting through hole with the size larger than the front end of the lock cylinder, the limiting through hole comprises a protruding portion matched with the shape of the front end of the lock cylinder, and the protruding portion is separated from the lock cylinder when the limiting assembly is subjected to the force of the stop pin shaft. The lock core front end includes the depressed part, and the bellying gomphosis of spacing through-hole is in the depressed part of lock core front end to can rotate along with the rotation of lock core, drive linkage subassembly and rotate and realize normally unblanking, close the lock, and the size of spacing through-hole is greater than the lock core front end, makes the bellying of spacing subassembly can break away from the depressed part completely when receiving the power of dog subassembly, and then removes the cooperation of spacing subassembly and lock core, prevents that the violence from unblanking.

Furthermore, the linkage assembly comprises a linkage block and a handle shifting button, the bottom of the linkage block is movably connected with the limiting assembly, and the top of the linkage block is in clearance fit with a shaft hole of the handle shifting button. The interlock piece can enough realize normally unblanking and shutting the lock with handle shifting knob shaft hole clearance fit, can realize the quick dismantlement of lock core assembly again, and is simple and practical.

Furthermore, the lock shell is fixed with the automobile handle base through bolts and is clamped with the automobile door handle end cover. The lock core assembly can be directly disassembled from the vehicle door after the bolt is loosened, no redundant steps are needed, and the operation is simple and convenient.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses simple structure, easy dismounting can realize the lock core idle running, prevents that the violence from unblanking, and theftproof nature is good. The lock core runs through lock sleeve and lock shell, and the lock core front end stretches out the lock shell and overlaps and establish spacing subassembly and interlock subassembly, the lock core includes the key hole, after the matching key inserts, the locking plate rotates to the design requirement position and forms overlapping state, rotate the lock core this moment, lock sleeve and dog subassembly are all not atress and static, the lock core drives spacing subassembly and interlock subassembly and rotates, can realize normal switch lock, after the non-matching key inserts, the locking plate rotates to the staggered state, form the extrusion to the lock sleeve, wherein the extrusion of thinner department of lock sleeve thickness is obvious, make the dog subassembly that is in this department receive the pressure deformation, and then pull spacing subassembly and break away from the cooperation with lock core front end and interlock subassembly, rotate the lock core this moment, spacing subassembly and interlock subassembly are all static, the lock core idleness realizes the theftproof function, can prevent that the power from unblanking.

Drawings

Fig. 1 is the overall structure sectional view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the position of the lock plate when the matching key is inserted into the lock cylinder.

Fig. 4 is a cross-sectional view of the position of the lock plate when the mating key is inserted into the lock cylinder.

Fig. 5 is a schematic diagram of the position of the lock plate when a non-matching key is inserted into the lock cylinder.

Fig. 6 is a cross-sectional view of the position of the lock plate when a non-matching key is inserted into the lock cylinder.

Fig. 7 is a schematic view of the position of the stop block when the mating key is inserted into the lock cylinder.

Fig. 8 is a schematic view of the position of the stop assembly when a mating key is inserted into the lock cylinder.

Fig. 9 is a schematic view of the position of the stop block and the lock cylinder when a non-matching key is inserted into the lock cylinder.

Fig. 10 is a schematic diagram of the positions of the limiting block and the linkage block when the unmatched key is inserted into the lock cylinder.

Fig. 11 is a schematic diagram of the position of the pin of the stop when a non-matching key is inserted into the lock cylinder.

Fig. 12 is a schematic view of the handle toggle and the linkage block of the present invention.

The lock comprises a lock core 1, a lock shell 2, a lock plate 3, a lock sleeve 4, a stop block 5, a stop block pin 6, a stop block body 7, a linkage block 8 and a handle toggle button 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be further described with reference to the following specific examples, which should not be construed as limiting the invention.

The door lock core assembly with the single anti-theft structure shown in the figure comprises a lock shell 2, a lock sleeve 4 and a lock core 1, wherein the lock shell 2 is sequentially sleeved from outside to inside, a step groove with an open top is formed between the lock shell 2 and the lock sleeve 4, a stopper component deformed by stress extrusion is arranged in the step groove, the stopper component is arranged on a step, the position, corresponding to the stopper component, of the lock sleeve 4 is thinner, a plurality of locking plates 3 which can be overlapped or staggered are arranged in the lock core 1, a limiting component and a linkage component are sequentially sleeved at the front end of the lock core 1, the limiting component is matched with the front end of the lock core 1 in a normal state and is movably connected with the linkage component, the edge of the limiting component is matched with the stopper component, the lock plate 3 extrudes the lock sleeve 4 to deform the stopper component in an abnormal state, and then the limiting component is pulled to be separated from the front end of the lock core 1 and realize idling with the linkage component. The lock core penetrates through the lock sleeve and the lock shell, the front end of the lock core extends out of the lock shell and is sleeved with the limiting component and the linkage component, the lock core comprises a key hole, when a matched key is inserted, the locking plates correspond to the tooth positions of the key one by one, the locking plates rotate to the designed required positions to form an overlapped state, the lock core is rotated at the moment, the lock sleeve and the stop block component are not stressed and are static, the lock core drives the limiting component and the linkage component to rotate, the limiting component and the lock shell play a role in limiting the rotation angle of the lock core assembly at the moment, the lock core is rotationally transmitted to the linkage component, and normal lock opening and closing can be realized; after the unmatched key is inserted, the locking plate and the key tooth position can not correspond one to one, the locking plate rotates to a staggered state, the locking plate is clamped in the lock sleeve and extrudes the lock sleeve, the thinner part of the lock sleeve is obviously extruded, the pressed permanent deformation of the stop block assembly at the position is enabled to generate displacement, then the limiting assembly is pulled to be separated from the matching with the front end of the lock cylinder and the linkage assembly, the lock cylinder is rotated at the moment, the limiting assembly and the linkage assembly are static, the anti-theft function is realized by idling of the lock cylinder, the forced unlocking can be prevented, and the stepped groove is used for limiting the stop block assembly. The utility model discloses simple structure, easy dismounting can realize the lock core idle running, prevents that the violence from unblanking, and theftproof nature is good.

As preferred, spacing subassembly includes stopper body 7 and the limiting plate of the type of falling L that outwards stretches out at stopper body 7 edge, and the dog subassembly includes dog 5 and the dog round pin axle 6 that upwards stretches out dog 5, and the limiting plate is located dog round pin axle 6 top, and 3 extrusion dogs of locking plate 5 make its deformation and then drive dog round pin axle 6 radial pulling limiting plate. Under the normal condition, the stopper is located dog round pin axle top department, stopper body and lock core front end cooperation, along with inserting and rotatory of matching key, the stopper body rotates along with the lock core, and then drive limiting plate and interlock subassembly and rotate and realize normal switch lock, the rotation of limiting plate is not influenced by dog round pin axle this moment, after non-matching key inserts, locking plate extrusion axle sleeve and dog drive dog round pin axle along radial displacement, dog round pin axle top pulls the limiting plate along radial, thereby drive the stopper body and remove the cooperation with lock core front end and interlock subassembly, rotate the key this moment, lock core idle rotation can't drive limiting assembly and interlock subassembly and rotate, realize the theftproof function, can avoid violently unblanking to lead to the door to open, the theftproof performance is good.

As preferred, lock shell 2 front end department is C type structure, and spacing subassembly rotates and through limiting plate contact C type structure both ends restriction turned angle at the opening part of C type structure, and the ladder recess sets up in C type structure opening side with the dog subassembly. The lock core rotation angle is limited by the cooperation of the C-shaped structure and the limiting plate, and the lock core rotation angle limiting device is simple in structure, convenient and practical.

As preferred, stopper body 7 passes through slider and slide rail swing joint with the interlock subassembly bottom, and the slide rail sets up along dog round pin axle 6 radius of locating, and slider and slide rail break away from when spacing subassembly receives dog round pin axle 6's power. The slide rail is arranged along the radius direction, the slide block is matched with the slide rail under the normal state, when the lock cylinder rotates, the limiting assembly and the linkage assembly synchronously rotate, when the limiting assembly is stressed, the moving track of the limiting assembly moves along the radius where the slide rail is located, the slide block and the slide rail can be separated, the lock cylinder rotates to be incapable of being transmitted to the linkage assembly, the anti-theft function is further realized, and the anti-theft lock is simple in structure, convenient and practical.

As preferred, stopper body 7 includes the spacing through-hole that the size is greater than 1 front end of lock core, and spacing through-hole includes the bellying that matches with 1 front end shape of lock core, and the bellying breaks away from lock core 1 when spacing subassembly receives the power of dog round pin axle 6. The lock core front end includes the depressed part, and the bellying gomphosis of spacing through-hole is in the depressed part of lock core front end to can rotate along with the rotation of lock core, drive linkage subassembly and rotate and realize normally unblanking, close the lock, and the size of spacing through-hole is greater than the lock core front end, makes the bellying of spacing subassembly can break away from the depressed part completely when receiving the power of dog subassembly, and then removes the cooperation of spacing subassembly and lock core, prevents that the violence from unblanking.

Preferably, the linkage assembly comprises a linkage block 8 and a handle shifting button 9, the bottom of the linkage block 8 is movably connected with the limiting assembly, and the top of the linkage block 8 is in clearance fit with a shaft hole of the handle shifting button 9. The interlock piece can enough realize normally unblanking and shutting the lock with handle shifting knob shaft hole clearance fit, can realize the quick dismantlement of lock core assembly again, and is simple and practical.

Preferably, the lock shell 2 is fixed with the automobile handle base through bolts and is clamped with the door handle end cover. The lock core assembly can be directly disassembled from the vehicle door after the bolt is loosened, no redundant steps are needed, and the operation is simple and convenient.

The above is merely a preferred embodiment of the present invention, and not intended to limit the scope and the range of the present invention, and those skilled in the art should be able to realize that all the equivalent substitutions and obvious changes made by the present invention description should be included in the scope of the present invention.

Claims (7)

1. The utility model provides a door lock core assembly with single theftproof structure which characterized in that: including lock shell (2), lock sleeve (4) and lock core (1) of establishing by outer to interior cover in proper order, including an open-top's ladder recess between lock shell (2) and lock sleeve (4), include the dog subassembly of atress extrusion deformation in the ladder recess, the dog subassembly is arranged in on the ladder, lock sleeve (4) correspond dog subassembly department thickness thinner, be provided with a plurality of can overlap or crisscross locking plate (3) in lock core (1), lock core (1) front end overlaps in proper order and is equipped with spacing subassembly and interlock subassembly, spacing subassembly matches with lock core (1) front end and interlock subassembly swing joint under the normal condition, spacing subassembly edge and dog subassembly cooperation, under the abnormal condition locking plate (3) extrusion lock sleeve (4) make the dog subassembly deformation, and then stimulate spacing subassembly to break away from lock core (1) front end and interlock subassembly and realize idle running.

2. The vehicle door lock cylinder assembly with single pass anti-theft feature of claim 1, wherein: the limiting assembly comprises a limiting block body (7) and a limiting plate of an inverted L shape, wherein the limiting plate extends outwards from the edge of the limiting block body (7), the stop block assembly comprises a stop block (5) and a stop block pin shaft (6) which extends upwards from the stop block (5), the limiting plate is located above the stop block pin shaft (6), and the locking plate (3) extrudes the stop block (5) to enable the stop block (5) to deform and further drive the stop block pin shaft (6) to radially pull the limiting plate.

3. The vehicle door lock cylinder assembly with single pass anti-theft feature of claim 2, wherein: lock shell (2) front end department is C type structure, spacing subassembly rotates and restricts the turned angle through limiting plate contact C type structure both ends at the opening part of C type structure, the ladder recess sets up in C type structure opening side with the dog subassembly.

4. The vehicle door lock cylinder assembly with single pass anti-theft structure of claim 2, characterized in that: the limiting block body (7) is movably connected with the bottom of the linkage assembly through a sliding block and a sliding rail, the sliding rail is arranged along the radius of the stop pin shaft (6), and the sliding block is separated from the sliding rail when the limiting assembly receives the force of the stop pin shaft (6).

5. The vehicle door lock cylinder assembly with single pass anti-theft feature of claim 2, wherein: the limiting block body (7) comprises a limiting through hole with the size larger than the front end of the lock cylinder (1), the limiting through hole comprises a protruding portion matched with the shape of the front end of the lock cylinder (1), and the protruding portion is separated from the lock cylinder (1) when the limiting assembly is stressed by the stop pin shaft (6).

6. The vehicle door lock cylinder assembly with single pass anti-theft structure of any one of claims 1-5, characterized in that: the linkage assembly comprises a linkage block (8) and a handle shifting button (9), the bottom of the linkage block (8) is movably connected with the limiting assembly, and the top of the linkage block (8) is in clearance fit with a shaft hole of the handle shifting button (9).

7. The vehicle door lock cylinder assembly with single pass anti-theft structure of any one of claims 1-5, wherein: the lock shell (2) is fixed with a base bolt of the automobile handle and is clamped with an end cover of the automobile door handle.

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