CN110894765B

CN110894765B - Lock core assembly

Info

Publication number: CN110894765B
Application number: CN201811065261.6A
Authority: CN
Inventors: 钟洪杰
Original assignee: Shaoxing Shangyu Yongsheng Auto Parts Co ltd
Current assignee: Shaoxing Shangyu Yongsheng Auto Parts Co ltd
Priority date: 2018-09-13
Filing date: 2018-09-13
Publication date: 2024-07-30
Anticipated expiration: 2038-09-13
Also published as: CN110894765A

Abstract

The invention discloses a lock cylinder assembly, which comprises a first shell, a second shell, a rotating piece, a transmission rod, a driving piece and a driving piece, wherein the first shell and the second shell are spliced, the rotating piece can rotate through a key, the transmission rod is connected with a lock body after extending out from between the first shell and the second shell, the driving piece is positioned between the first shell and the second shell, and the driving piece comprises a rocker arm inserted into the transmission rod; and the blocking block can be in anti-rotation fit with the convex part on the rotating piece, a first supporting leg and a second supporting leg which are used for limiting the rotating stroke of the rotating piece relative to the driving piece are formed on the blocking block, and the transmission rod translates to lock or unlock the lock body when the rotating piece rotates to drive the driving piece to rotate. The rotary part can be assembled into the driving part from any angle, the assembly structure is simple, the assembly time consumption is shortened, the production efficiency is improved, the action reliability is high, the occupied space of assembly is small, the number of parts is small, the linkage relationship among the parts is stable and effective, the parts cannot lose efficacy after long-time use, and the service life is long.

Description

Lock core assembly

Technical Field

The invention belongs to the field of door lock accessories of motor vehicles, and particularly relates to a lock cylinder assembly.

Background

The motor vehicle door lock comprises a lock body arranged on the motor vehicle door and a lock cylinder arranged on the vehicle body, wherein the lock body and the lock cylinder are positioned on different straight lines, and the locking or unlocking of the lock cylinder is driven along a fixed arc-shaped structure through a swinging rod exposed out of the whole structure of the lock cylinder. The structure has the great disadvantage that the structures such as the swinging rod are exposed outside the shell of the whole structure of the lock cylinder, the safety performance is not high, the reliability is affected, the assembled parts are more, and the manufacturing cost is high.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the lock cylinder assembly which is convenient to assemble, high in reliability and good in safety performance.

The technical scheme adopted for solving the technical problems is as follows: a lock core assembly comprises a first shell, a second shell, a rotating piece, a transmission rod, a driving piece and a driving piece, wherein the first shell and the second shell are spliced, the rotating piece can rotate through a key, the transmission rod is connected with a lock body after extending out from between the first shell and the second shell, the driving piece is positioned between the first shell and the second shell, and the driving piece comprises a rocker arm inserted into the transmission rod;

And the blocking block can be in anti-rotation fit with the convex part on the rotating piece, a first supporting leg and a second supporting leg which are used for limiting the rotating stroke of the rotating piece relative to the driving piece are formed on the blocking block, and the transmission rod translates to lock or unlock the lock body when the rotating piece rotates to drive the driving piece to rotate.

The transmission rod matched with the lock body, the rotating piece matched with the key and the driving piece for connecting the rotating piece and the transmission rod are assembled between the first shell and the second shell, parts are not exposed outside the shells, the safety performance is higher, the assembling reliability is ensured, the phenomenon of incapability of transmission is avoided after long-time use, and the service life is prolonged; the convex part of the rotating piece can be assembled into the blocking block from any angle, interference can not be generated during assembly between the rotating piece and the driving piece, and the assembly process is simplified.

Further, at least two reinforcing ribs are formed on the block. The reinforcing ribs increase the strength of the block, the assembly of the rotating piece cannot be influenced, the assembly time is shortened, and the production efficiency is improved.

Further, a connecting surface extends between the first support leg and the second support leg, and the reinforcing rib is formed on the inner wall of the connecting surface.

Further, the blocking block is an arc-shaped segment body protruding outwards from one side edge of the driving piece, the arc-shaped segment body extends along the direction parallel to the rotation axis of the driving piece, the reinforcing ribs extend along the height direction of the connecting surface, and the reinforcing ribs are three in number and are parallel to each other. The structure setting of the block not only can effectively ensure the linkage cooperation between the block and the rotating piece, but also has simple processing technology, reduces the cost of raw materials and has higher stability of the structure.

Further, the height of the connecting surface is smaller than the heights of the first support leg and the second support leg; the spacing between the first leg and the second leg is greater than the width of the boss. The connecting surface is shorter than the first support leg and the second baffle, so that more space is provided for assembling the rotating piece, and the assembling is convenient; after the convex part is assembled with the blocking block, a gap is formed between the first supporting leg and the second supporting leg, so that the lock body can be moved only after the key is required to rotate for a certain angle, and unlocking caused by misoperation can be effectively avoided.

Further, a containing cavity matched with the neck of the driving piece is formed in the first shell. The accommodating cavity can effectively avoid the driving piece from horizontally moving relative to the first shell, and the assembly stability of the whole structure is ensured.

Further, the second housing is formed with a first protrusion for preventing the driving member from moving.

Further, a second bulge is arranged on the second shell close to the first bulge, and the end face of the driving piece abuts against the second bulge. The first bulge and the second bulge can be matched to effectively limit the assembly position of the driving piece, so that the firmness and stability of the whole assembly structure are ensured, and the linkage fit between all the parts is stable and effective.

Further, the side surface of the second bulge facing the first shell is in a sliding trapezoid structure. The second bulge forms a limiting effect on the driving piece, and the slide-shaped structure is convenient for assembling the rotating piece and the driving piece.

Further, the driving piece is provided with a support column for sleeving the clamp spring, and a first step-shaped clamping groove and a second step-shaped clamping groove which can be propped against the clamp spring. The restoring force of the clamp spring can provide force when the driving piece rotates in the positive direction or in the opposite direction, so that the operation is more labor-saving, and the flexibility of unlocking or locking can be improved.

The beneficial effects of the invention are as follows: 1) The rotating part can be assembled into the driving part from any angle, so that the assembly structure is simple, the time consumption of the assembly process is shortened, and the production efficiency is improved; 2) Each part is covered by the first shell and the second shell, so that effective protection is formed, and the safety and the reliability of actions are improved; 3) The space occupied by assembly is small, so that the volume of the whole lock is reduced; 4) The number of parts is small, the linkage relation among the parts is stable and effective, the parts cannot lose efficacy after long-time use, and the service life is long.

Drawings

Fig. 1 is a schematic diagram of an explosive structure according to the present invention.

Fig. 2 is a schematic perspective view of a driving member according to the present invention.

Fig. 3 is a schematic perspective view of a driving member according to the present invention.

Fig. 4 is a schematic structural view of a transmission rod according to the present invention.

Fig. 5 is a schematic perspective view of a rotary member according to the present invention.

Fig. 6 is a schematic perspective view of a rotating member according to the present invention.

Fig. 7 is a schematic perspective view of the first housing of the present invention.

Fig. 8 is a schematic perspective view of a second housing of the present invention.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the following description of the technical solutions of the present invention will be made in detail, but not all embodiments of the present invention are apparent to some embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

As shown in fig. 1 to 8, a cylinder assembly includes a first housing 1 and a second housing 2 which are vertically split to form a cavity, a rotary member 3 for being coupled to a key by a cylinder (not shown), a transmission rod 4 partially extended from the cavity and coupled to a lock body (not shown), and a driving member 5 disposed between the rotary member 3 and the transmission rod 4. The first shell 1 and the second shell 2 are fixed by a plurality of screws 6; the outer surface of the rotating member 3 forms a protruding part 31, the protruding part 31 is in anti-rotation fit with a blocking block 52 on the driving member 5, one end of the transmission rod 4 is connected with a rocker arm 51 on the driving member 5, so that when an operator rotates a key to drive the rotating member 3 to rotate, the driving member 5 rotates along with the rotating member, and the rocker arm 51 can drive the transmission rod 4 to horizontally move along the inner surface of the second housing 2, so that locking or unlocking of the lock body is realized.

As shown in fig. 2 to 4, the driving member 5 includes a body 56, a neck 53 formed around a groove of the body 56, a rocker arm 51 extending outwardly from one side of the body 56, and a block 52 protruding outwardly from the other side of the body 56. The rocker arm 51 comprises a connecting section 512 connected with the body 56 and a plug shaft 513 connected with the transmission rod 4, the central axis of the plug shaft 513 is parallel to the central axis of the body 56, and a boss 511 which can be matched with the transmission rod 4 in a rotation-stopping way is formed on the outer wall of the end part of the plug shaft 513.

The transmission rod 4 is in an L-shaped structure, and a short side forms a through hole 41 for inserting the inserting shaft 513 and the boss 511; the end of the long side is provided with a square slot 42 into which a part of the lock body extends, and the length of the square slot 42 is longer than the movable stroke of the lock body, so that an idle stroke is formed on the transmission rod 4, and the lock body is prevented from being opened by misoperation.

The block 52 is located at an edge of the body 56 and extends in a direction parallel to a central axis of the body 56, and includes a first leg 522 and a second leg 523 located at both ends, respectively, a connection surface 524 located between the first leg 522 and the second leg 523, both sides of the connection surface 524 extend to be connected with the first leg 522 and the second leg 523, respectively, and a height of the connection surface 524 is smaller than a height of the first leg 522, and a height of the first leg 522 is smaller than a height of the second leg 523. Three parallel reinforcing ribs 521 are formed on the inner wall of the connection surface 524, and the reinforcing ribs 521 extend in the height direction of the connection surface 524.

In order to facilitate the assembly of the driving member 5, a supporting column 54 for sleeving a clamp spring is arranged on the same side of the body 56, which is positioned on the rocker arm 51, and a first step-shaped clamping groove 551 and a second step-shaped clamping groove 552 are formed on the body 56 around the supporting column 54.

The rotation stroke of the driving piece 5 is controlled by the baffle 24 and the rocker arm 51 which are positioned on the inner surface of the second shell 2, when the second support leg 523 interferes with the baffle 24, the rotation is stopped, at the moment, one end of the snap spring is abutted with the first step-shaped clamping groove 551, and the other end of the snap spring is abutted with the first shell 1; when the rocker arm 51 rotates in the opposite direction until it contacts the inner wall of the second housing 2, the rotation in this direction is stopped, and at this time, one end of the clip spring contacts the second stepped engaging groove 552, and the other end contacts the first housing 1.

As shown in fig. 5 and 6, the outer wall portion of the rotary member 3 is upwardly protruded to form a protrusion 31, and the protrusion 31 may be protruded between the first leg 522 and the second leg 523 when assembled, so that the first leg 522 and the second leg 523 define a rotational stroke of the rotary member 3 with respect to the driving member 5. In order to avoid that the lock body is unlocked instantaneously by rotating the key by mistake, the distance between the first leg 522 and the second leg 523 may be set to be larger than the width of the protrusion 31, thereby forming an idle stroke, and the lock body can be unlocked only by rotating the rotating member 3 to a certain angle. The hollow part of the rotating member 3 is opened to the outside of the first housing 1 and the second housing 2 for connection with the lock cylinder, and an annular flange 32 is formed on the outer wall of the rotating member 3 near the opening to extend one round.

As shown in fig. 7, an accommodating cavity matched with the neck 53 of the driving member 5 is formed on the inner wall of the first housing 1, the accommodating cavity can be of an arc-shaped groove structure, when the assembly is performed, the neck 53 of the driving member 5 is just movably clamped in the arc-shaped groove, an arc-shaped limiting groove 12 is formed on the inner wall of the first housing 1, and the annular flange 32 on the outer wall of the rotating member 3 is just clamped in the arc-shaped limiting groove 12, so that the rotating member 3 is prevented from moving relative to the first housing 1. In order to adapt to the assembly environment, the central axis where the arc-shaped limiting groove 12 is arranged at an included angle with the central axis where the arc-shaped groove is arranged, namely the driving piece 5 is connected with the rotating piece 3 in an included angle matching way.

As shown in fig. 8, another arc-shaped limiting groove 23 is formed on the inner wall of the second casing 2 at a position corresponding to the arc-shaped limiting groove 12 of the first casing 1, and when the first casing 1 and the second casing 2 are assembled, the arc-shaped limiting groove 23 and the arc-shaped limiting groove 12 are also assembled to form an annular groove coated on the periphery of the annular flange 32 of the rotating member 3, so that the rotating member 3 is prevented from moving relative to the first casing 1 or the second casing 2.

The inner wall of the second housing 2 is further formed with a first protrusion 21, the position of which corresponds to the position of the neck 53 of the driving member 5, and the width of the first protrusion 21 is smaller than or equal to the width of the neck 53 of the driving member 5.

The position of the inner wall of the second shell 2, which is close to the first bulge 21, is also provided with a second bulge, and the side surface of the second bulge, which is close to the first bulge 21, abuts against the end surface of the body 56 of the driving piece 5, so that the arc-shaped groove can cooperate with the first bulge 21 and the second bulge to limit the driving piece 5, limit the relative translation of the arc-shaped groove relative to the first shell 1 or the second shell 2, and only rotate relative to the first shell 1 or the second shell 2.

The second protrusion is parallel to the first protrusion 21, one side of the second protrusion facing the first housing 1 is in a slide-shaped structure, and a relatively higher end of the slide-shaped structure is disposed on the side where the baffle 24 is located.

The foregoing detailed description is provided to illustrate the present invention and not to limit the invention, and any modifications and changes made to the present invention within the spirit of the present invention and the scope of the appended claims fall within the scope of the present invention.

Claims

1. A lock core assembly comprising a first housing (1) and a second housing (2) which are assembled, a rotatable member (3) which is rotatable by a key, and a transmission rod (4) which extends between the first housing (1) and the second housing (2) and is connected with the lock body, wherein: the device also comprises a driving piece (5) positioned between the first shell (1) and the second shell (2), wherein the driving piece (5) comprises a rocker arm (51) inserted into the transmission rod (4);

The blocking block (52) can be in anti-rotation fit with the convex part (31) on the rotating piece (3), a first support leg (522) and a second support leg (523) which are used for limiting the rotating stroke of the rotating piece (3) relative to the driving piece (5) are formed on the blocking block (52), and when the rotating piece (3) rotates to drive the driving piece (5) to rotate, the transmission rod (4) translates to lock or unlock the lock body; at least two reinforcing ribs (521) are formed on the block (52); a connecting surface (524) extends between the first support leg (522) and the second support leg (523), and the reinforcing ribs (521) are formed on the inner wall of the connecting surface (524); the blocking block (52) is an arc-shaped section body protruding outwards from one side edge of the driving piece (5), and the arc-shaped section body extends along a direction parallel to the rotation axis of the driving piece (5).

2. The plug assembly of claim 1, wherein: the height of the connecting surface (524) is smaller than the height of the first leg (522) and the second leg (523); the distance between the first leg (522) and the second leg (523) is greater than the width of the protrusion (31).

3. The plug assembly of claim 1, wherein: the first housing (1) is provided with a receiving cavity matched with the neck (53) of the driving piece (5).

4. The plug assembly of claim 1, wherein: the second housing (2) is formed with a first protrusion (21) for preventing the movement of the driving member (5).

5. The lock cylinder assembly as set forth in claim 4, wherein: a second bulge is arranged on the second shell (2) at a position close to the first bulge (21), and the end face of the driving piece (5) is propped against the second bulge.

6. The lock cylinder assembly as set forth in claim 5, wherein: the side surface of the second bulge facing the first shell (1) is in a sliding trapezoid structure.

7. The plug assembly of claim 1, wherein: the driving piece (5) is provided with a support column (54) for sleeving the clamp spring, a first step-shaped clamping groove (551) and a second step-shaped clamping groove (552) which can be propped against the clamp spring.