CN218991234U - Door lock core mechanism, door lock and vehicle - Google Patents

Abstract

The utility model relates to an automobile lockset, and provides a door lock core mechanism which comprises an upper shell, a lock core fixing seat and a lock core rocker arm, wherein the lock core fixing seat is fixedly connected with the upper shell, and a guide hole is formed in the lock core fixing seat; the lock cylinder rocker arm is provided with a driving part which can penetrate through the guide hole and is in transmission connection with the lock locking mechanism so as to drive the lock cylinder connecting arm to rotate through torque transmission, the driving part is provided with an elastic locking mechanism which can be clamped on the lock cylinder fixing seat so as to limit the axial movement of the lock cylinder rocker arm, a limiting surface of the elastic locking mechanism in a clamping state is propped against the end face of the guide hole, the outer wall of the driving part is not grooved, and the surfaces are attached to each other so as to form a sealing structure, thereby ensuring waterproof tightness between the driving part and the valve core fixing seat. The utility model also provides a door lock and a vehicle.

Description

Door lock core mechanism, door lock and vehicle

Technical Field

The utility model relates to an automobile lockset, in particular to a door lock core mechanism. In addition, the utility model also relates to a door lock and a vehicle.

Background

With the rapid development of automobile driving, automatic locking and unlocking of the automobile door have become standard. Automatic locking and unlocking of the vehicle door is generally achieved by an electric control device, specifically, the locking of the vehicle door is achieved by driving a lock body or a lock pin through a motor. However, the motor for driving the lock body to automatically lock and move to unlock is powered by electricity, and in the daily use process of the vehicle, some sudden factors exist, so that the electric power source fails, such as the failure of a vehicle-mounted battery or the failure of a line for power transmission, etc., the mechanical structure inside the lock body is easy to cause the failure of operation, the movement of other parts is influenced, and the failure that the vehicle door cannot be electrically locked or unlocked is caused. The situation is not allowed, particularly after a traffic accident occurs, the circuit is easy to cause problems, the door lock of the vehicle door cannot be opened, trouble is caused to traffic rescue, and passengers cannot open the vehicle door to escape under critical conditions, so that the vehicle door is quite dangerous.

In view of the above situation, the related national standards of state departure require that the electric door lock for vehicles be provided with an emergency unlocking function under special conditions, and in order to meet the requirements of the national standards, the prior art provides an emergency latch device, as shown in fig. 1 and 2, comprising a housing 1.1, a door lock locking mechanism 1.2, an emergency latch knob 5 and an emergency crank 4, wherein the emergency latch knob 5 is operatively connected to the door lock locking mechanism 1.2 so as to be capable of driving the door lock locking mechanism 1.2 to rotate between an unlocking position and a locking position, a driving part 4.3 of the emergency crank 4 is inserted into a transmission groove 5.1 of the emergency latch knob 5 so that the emergency crank 4 can transmit torque to the emergency latch knob 5 to drive the emergency latch knob to rotate, unlocking of the door lock locking mechanism 1.2 is realized, guide grooves 5.2 are arranged at two sides of the transmission groove 5.1, the two sides of the driving part 4.3 are provided with the bosses 4.4, the widths of the bosses 4.4 and the guide grooves 5.2 are the same, so that the driving part 4.3 keeps a centered posture when being inserted, the bosses 4.4 can be mutually attached when being inserted into the guide grooves 5.2, the bosses 4.4 are elastic, deformation displacement close to the driving part 4.3 can be provided when the bosses 4.4 are elastically deformed, the driving part 4.3 is grooved at the position corresponding to the bosses 4.4 in the prior art so as to have deformation displacement space, however, the driving part 4.3 is grooved in the prior art, a gap is formed between the bosses 4.4 and the notch 4.3.1 of the driving part 4.3, the sealing performance between the bosses 4.4 and the guide grooves 5.2 is poor, water is easy to leak and flows into the door lock mechanism 1.2, the door lock cannot be rotated due to freezing under the condition of low air temperature in winter, causing a functional failure.

Accordingly, the present utility model provides a novel door lock core mechanism. To solve or alleviate the above problems.

Disclosure of Invention

The technical problem to be solved by the first aspect of the utility model is to provide a door lock core mechanism which has good waterproof performance, simple and reliable structure and convenient assembly.

The technical problem to be solved by the second aspect of the utility model is to provide a door lock, wherein the door lock core mechanism of the door lock has excellent waterproof sealing performance, simple and reliable structure and convenient assembly.

The technical problem to be solved by the third aspect of the present utility model is to provide a vehicle, in which a door lock of a door of the vehicle has excellent waterproof performance and can be normally used in a low-temperature environment.

In order to solve the above technical problem, a first aspect of the present utility model provides a door lock core mechanism, including: an upper housing; the lock cylinder fixing seat is fixedly connected with the upper shell, and a guide hole is formed in the lock cylinder fixing seat; the lock cylinder rocker arm is provided with a driving part which can penetrate through the guide hole and is in transmission connection with the lock locking mechanism so as to transmit torque to drive the lock locking mechanism to rotate between an unlocking position and a locking position, the driving part is provided with an elastic locking mechanism which can be clamped on the lock cylinder fixing seat so as to limit the axial movement of the lock cylinder rocker arm, a limiting surface of the elastic locking mechanism in a clamping state abuts against the end surface of the guide hole, and the outer wall of the driving part is not grooved.

Specifically, still include install lock core linking arm on the last casing, lock core linking arm with lock locking mechanism is connected, so that can drive lock locking mechanism rotates between unblock position and locking position, lock core linking arm's one end be equipped with the communicating guide way of guiding hole, drive portion pass the guiding hole with the guide way grafting is in order to transmit torque drive lock core linking arm rotates.

Preferably, the cross section of the part of the driving part inserted in the guide groove is rectangular, and the guide groove is matched with the part of the driving part inserted in the guide groove.

Specifically, the lock cylinder rocker arm is a plastic piece, and a processing hole which can be used for process molding of the lock cylinder rocker arm is axially formed in the lock cylinder rocker arm.

Preferably, the processing hole is a blind hole.

Specifically, the elastic locking mechanism comprises an elastic part which extends outwards obliquely from the side surface of the driving part, the elastic part can elastically deform under the action of extrusion force so as to approach the driving part, and the free end of the elastic part and the limiting surface are respectively abutted with the two end surfaces of the guide hole so as to form a clamping structure.

Preferably, a plurality of the elastic parts are provided on an outer axial surface of the driving part.

Optionally, the lock cylinder rocker arm includes a protruding portion, one end of the protruding portion is connected with a radial outer side surface of the driving portion, and a free end of the protruding portion can be pivoted to a transmission rod for transmitting torque.

The second aspect of the utility model provides a door lock, comprising the door lock core mechanism of any one of the technical schemes.

The third aspect of the utility model provides a vehicle, comprising a door, wherein the door comprises the door lock.

Through the scheme, the beneficial effects of the utility model are as follows:

the door lock locking mechanism is in transmission connection with the door lock locking mechanism through the lock cylinder rocker arm, torque is transmitted to the door lock locking mechanism through the lock cylinder rocker arm, so that the door lock locking mechanism rotates between an unlocking position and a locking position, when the driving part is clamped on the lock cylinder fixing seat through the elastic locking mechanism, the limiting surface of the elastic locking mechanism can be abutted against the end surface of the guide hole, the surface is abutted against the surface, so that a sealing structure is formed, particularly, no groove is needed on the driving part, the sealing performance between the driving part and the guide hole is further ensured after the driving part is inserted into the guide hole, the inner structure of the lock cylinder is effectively prevented from flowing into the inner structure of the lock cylinder, the inner structure is prevented from being frozen under the condition of low temperature in winter, and therefore, the door lock locking mechanism has excellent waterproof performance, the inner structure of the lock cylinder is prevented from being frozen under the condition of excessively low temperature in winter.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic structural view of a prior art emergency latch device;

FIG. 2 is a schematic view of an emergency crank in the prior art

FIG. 3 is a perspective view of one embodiment of a door lock cylinder mechanism of the present utility model;

FIG. 4 is an exploded view of the components of one embodiment of the lock cylinder mechanism of the door lock of the present utility model;

FIG. 5 is a schematic structural view of a lock cylinder rocker arm;

FIG. 6 is a cross-sectional view of a lock cylinder rocker arm;

FIG. 7 is a cross-sectional view of one embodiment of a door lock cylinder mechanism of the present utility model;

fig. 8 is an assembly schematic of a lock cylinder rocker arm and lock cylinder holder.

Description of the reference numerals

1 upper shell 1a assembly hole

2 lock core connecting arm 2a guide groove

3 lock core fixing seat 3a guide hole

4 lock core rocker arm 4a driving part

4b elastic part 4c limit surface

4d bulge 4e reinforcing rib

4f machining hole

Detailed Description

The following detailed description of the embodiments of the utility model is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the utility model is not limited to the following embodiments.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "forming," "mounting," "having," "providing," "connecting," and the like are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediary, a fixed connection, a removable connection, or an integral connection; either directly or indirectly via intermediate connectors, or by communication between or interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless otherwise indicated, the azimuth or positional relationship indicated by the adopted azimuth words "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are contacted only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the directional terms of the present utility model should be construed in connection with its actual installation state.

The utility model provides a door lock core mechanism, which is shown in fig. 3 and 4, and is taken as a specific embodiment of the door lock core mechanism, and comprises an upper shell 1, a core fixing seat 3 and a core rocker arm 4, wherein the core fixing seat 3 is fixedly connected with the upper shell 1, and a guide hole 3a is formed on the core fixing seat 3; the lock cylinder rocker arm 4 is provided with a driving part 4a which can penetrate through the guide hole 3a and is in transmission connection with the lock locking mechanism so as to drive the lock locking mechanism to rotate between the unlocking position and the locking position by transmitting torque, the driving part 4a is provided with an elastic locking mechanism which can be clamped on the lock cylinder fixing seat 3 so as to limit the axial movement of the lock cylinder rocker arm 4, when the driving part 4a is clamped on the lock cylinder fixing seat 3, a limiting surface 4c of the elastic locking mechanism abuts against the end surface, close to the outer side, of the guide hole 3a, and the surfaces are mutually attached, so that a sealing structure is formed, water is prevented from flowing into the inner structure of the lock cylinder, and sealing and waterproofing are realized.

Referring to fig. 5 to 8, the elastic locking mechanism includes an elastic portion 4b having a free end extending obliquely outward from a side of the driving portion 4a and a stopper surface 4c provided on the driving portion 4a, the free end of the elastic portion 4b faces the stopper surface 4c, the elastic portion 4b is elastically deformed by the pressing force to approach the driving portion 4a, the elastic portion 4b contacts an inner side wall of the guiding portion 3a when the driving portion 4a passes through the guiding portion 3a, since an aperture (radius) of the guiding portion 3a is smaller than a radial distance from the free end of the elastic portion 4b to a central axis of the driving portion 4a, the inner side wall of the guiding portion 3a applies a radial force to the elastic portion 4b to elastically deform the elastic portion 4b to approach the driving portion 4a, when the elastic portion 4b passes completely through the guiding portion 3a, the acting force acting on the elastic portion 4b disappears, the free end of the elastic portion 4b returns to a free state, the distance between the free end and the limiting surface 4c in the free state is equal to the distance between the two end surfaces of the guide hole 3a, so that the free end and the limiting surface 4c of the elastic part 4b are respectively abutted against the two end surfaces of the guide hole 3a to form a clamping structure, the driving part 4a is clamped on the lock cylinder fixing seat 3, and under the joint limiting action of the limiting surface 4c and the elastic part 4b, the axial movement of the lock cylinder rocker arm 4 is limited, because the elastic part 4b is arranged by the outward inclined extension of the side surface of the driving part 4a, a space exists between the free end of the elastic part 4b and the driving part 4a in the radial direction, so that the free end of the elastic part 4a is close to the driving part 4a, no slot is needed on the driving part 4a, the tightness between the driving part 4a and the lock cylinder is further ensured after the driving part 4a is inserted into the guide hole 3a, the water is effectively prevented from flowing into the internal structure, under the condition of low temperature in winter, the internal structure is frozen, and the function is disabled. In addition, after the driving part 4a is clamped on the lock cylinder fixing seat 3, the part of the driving part positioned in the guide hole 3a is attached to the inner side wall of the guide hole 3a, so that the lock cylinder rocker arm 4 is prevented from shaking in the use process.

As a concrete mode of the lock cylinder mechanism of the present utility model, referring to fig. 4, a lock cylinder connecting arm 2 is mounted on an upper housing 1, specifically, an assembly hole 1a is formed on the upper housing 1, the lock cylinder connecting arm 2 is sleeved in the assembly hole 1a, and the lock cylinder connecting arm 2 is connected with a lock cylinder locking mechanism (not shown in the figure) so as to be capable of driving the lock cylinder locking mechanism to rotate between an unlocking position and a locking position, one end of the lock cylinder connecting arm 2 is provided with a guide groove 2a communicated with a guide hole 3a, and a driving part 4a is inserted into the guide groove 2a through the guide hole 3a so as to be capable of transmitting torque to drive the lock cylinder connecting arm 2 to rotate.

When the door lock core mechanism is installed on a car door, the lock core rocker arm 4 can be directly or indirectly rotated through a key, torque is transmitted to the lock core connecting arm 2 through the lock core rocker arm 4, so that the door lock locking mechanism can be rotated between an unlocking position and a locking position, the car door is locked or unlocked in a purely mechanical mode, in addition, when the door lock is assembled, as shown in fig. 7 and 8, after the lock core connecting arm 2 and the lock core fixing seat 3 are installed on the upper shell 1, the lock core rocker arm 4 can directly penetrate through the guide hole 3a to be spliced with the guide groove 2a, and the elastic locking mechanism can be clamped on the lock core fixing seat 3 when the drive part 4a moves to a design position, so that the door lock core mechanism is convenient to assemble and simple and reliable in structure.

It should be noted that, the lock core mechanism of the door lock of the utility model can be connected with the existing lock locking mechanism of the door through the lock core connecting arm 2, the lock locking mechanism is not required to be additionally designed, the door lock locking mechanism has good universality, and the production cost is reduced, wherein the door lock locking mechanism is in the prior art, and the door lock locking mechanism can comprise a lock tongue, a lock tongue torsion spring, a lock tongue cam, a pawl torsion spring, a pawl release lever and a door lock seat board, and the door lock locking and unlocking can be realized through the mechanical linkage among the parts.

As a preferred embodiment of the lock cylinder mechanism of the door lock according to the present utility model, referring to fig. 5 to 7, the cross section of the portion of the driving portion 4a inserted in the guide groove 2a is rectangular, and the guide groove 2a is matched with the shape of the portion of the driving portion 4a inserted in the guide groove 2a, i.e. the cross section of the guide groove 2a is also rectangular corresponding to the shape of the portion, so that the driving portion 4a can transmit torque to the lock cylinder connecting arm 2 to drive the door lock mechanism to rotate between the unlock position and the lock position. Preferably, the cross section of the driving portion 4a is a long and narrow rectangle, which is more beneficial to torque transmission.

The outer peripheral surface of the driving portion 4a is provided with a plurality of elastic portions 4b, and free ends of the plurality of elastic portions 4b are abutted against the end surface of the guide hole 3a to ensure the reliability of the engagement, and as a specific embodiment, referring to fig. 5 and 6, the number of the elastic portions 4b is two and symmetrically disposed on the outer peripheral surface of the driving portion 4 a.

When the door lock core mechanism is used, a key is required to be inserted into a lock core and rotated, so that the lock core rocker arm 4 can rotate, the lock core mechanism into which the key is inserted is divided into a direct-insertion lock core and a pull rod type lock core, the direct-insertion lock core is directly connected with the lock core rocker arm 4, torque generated by the key rotation is directly transmitted to the lock core rocker arm 4 to enable the lock core rocker arm 4 to rotate, the pull rod type lock core is connected with the lock core rocker arm 4 through a transmission rod, the lock core rocker arm 4 rotates through the transmission rod during key rotation, and in order to facilitate torque transmission of the transmission rod, as a specific implementation mode, referring to fig. 3, 5 and 6, the lock core rocker arm 4 further comprises a protruding part 4d, one end of the protruding part 4d is connected with the radial outer side face of the driving part 4a, and the free end of the protruding part 4d can be pivoted with the transmission rod for transmitting torque.

Preferably, the protruding portion 4d is located at an end of the driving portion 4a away from the guiding slot 2a, and the protruding portion 4d is perpendicular to the driving portion 4a, so that the lock cylinder rocker arm 4 is in an L shape, which is more beneficial for the transmission rod to transmit the force of twisting the key to the protruding portion 4d, so as to drive the driving portion 4a to rotate.

In order to strengthen the structural strength of the connection between the protruding portion 4d and the driving portion 4a, a reinforcing rib 4e is provided between the protruding portion 4d and the driving portion 4a, thereby improving the connection reliability.

As a preferred embodiment of the lock cylinder mechanism of the door lock of the present utility model, referring to fig. 5 and 6, the cylinder rocker arm 4 is a plastic member, which is convenient to mold and has low cost. In addition, in order to secure structural strength of the plastic part, the radial dimension of the driving portion 4a needs to be designed to be larger, so that in order to avoid shrinkage during plastic molding, problems such as dimensional instability and deformation occur, it is further preferable that the key cylinder rocker arm 4 is provided with a processing hole 4f in the axial direction that can be used for its process molding.

It should be noted that, when the door lock core mechanism is installed on a vehicle door and rains or washes the vehicle, water flows into the processing hole 4f, so that in order to ensure that water does not continuously flow into the structure of the door lock core mechanism, the processing hole 4f is a blind hole, thereby effectively avoiding the situation that the water is frozen to freeze the internal structure and cause functional failure at low temperature, preventing water from flowing into the structure, corroding parts and enhancing the use reliability of the door lock core mechanism.

While the door lock cylinder mechanism of the present utility model has been described with reference to specific embodiments, it should be understood that the structural body and dimensions of the door lock cylinder mechanism of the present utility model are not limited to the above embodiments

The specific structural form can also be other structural forms. Next, in order to better understand the technical solution and the method of use of the present utility model, preferred embodiments are described below in conjunction with relatively comprehensive preferred technical features.

Referring to fig. 3-8, the utility model provides a door lock core mechanism, which mainly comprises an upper shell 1, a core connecting arm 2, a core fixing seat 3 and a core rocker arm 4, wherein the core connecting arm 2 is sleeved in an assembly hole 3a of the upper shell 1 and is connected with a door lock locking mechanism, so that the door lock locking mechanism can be driven to rotate between an unlocking position and a locking position, a guide groove 2a is formed in the core connecting arm 2, the core fixing seat 3 is fixedly connected with the upper shell 1, a guide hole 3a communicated with the guide groove 2a is formed in the core fixing seat 3, a driving part 4a of the core rocker arm 4 can penetrate through the guide hole 3a and is inserted into the guide groove 2a, so that the driving part 4a can rotate by an operator twisting a key, and the core connecting arm 2 is driven to rotate the door lock locking mechanism to unlock or lock, so that the aim of locking or unlocking of a door is achieved in a purely mechanical mode. In addition, be provided with elasticity locking mechanism on the drive part 4a, including the elasticity part 4b that extends the setting from drive part 4a side outside slope and the spacing face 4c that sets up on drive part 4a, elasticity part 4b is when passing guiding hole 3a, the inside wall of guiding hole 3a can produce a radial force to elasticity part 4b, make elasticity part 4b take place to the elasticity deformation that drive part 4a is close to, until completely pass guiding hole 3a, radial force disappears, elasticity part 4b resumes free state, its free end and spacing face 4c respectively with the both ends face butt joint of guiding hole 3a so as to form the joint structure, make drive part 4a block on lock cylinder fixing base 3, restrict the axial displacement of rocking arm 4, spacing face 4c and the outer terminal surface mutual butt of guiding hole 3a, laminate between face and the face, and form waterproof seal structure, and because do not open slot on drive part 4a, consequently, the leakproofness between the two has obtained after the driving part 4a is close to guiding hole 3a, thereby further promote waterproof seal, the inside effect is effective, even if the inside structure is frozen down in the inside the door lock can not be assembled with the lock cylinder 3a in the normal circumstances, the utility model, the lock cylinder can be assembled with the lock cylinder structure is easy, the utility model, even if the inside the lock cylinder can be assembled under the circumstances of the inside the door lock is cooled down, the normal circumstances, the utility model, can be guaranteed, and the lock cylinder can be assembled well-down, and the lock cylinder structure can be assembled easily.

The second aspect of the present utility model provides a door lock comprising the door lock cylinder mechanism provided by the present utility model, and thus has all the advantages of the door lock cylinder mechanism of the present utility model, which will not be described in detail herein.

A third aspect of the present utility model provides a vehicle having a door including the door lock according to the second aspect of the present utility model, which has excellent waterproof performance, and thus, can ensure normal opening of the door lock even in a low-temperature environment in winter.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.

Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.

Claims (10)

1. A door lock cylinder mechanism, comprising:

an upper case (1);

the lock cylinder fixing seat (3), the lock cylinder fixing seat (3) is fixedly connected with the upper shell (1), and a guide hole (3 a) is formed in the lock cylinder fixing seat (3);

the lock cylinder rocker arm (4), lock cylinder rocker arm (4) are formed with can pass guiding hole (3 a) and drive portion (4 a) that door lock locking mechanism transmission is connected, so that can drive door lock locking mechanism rotates between unblock position and locking position, drive portion (4 a) are provided with can the cartridge be in elasticity locking mechanism on lock cylinder fixing base (3), in order to restrict axial displacement of lock cylinder rocker arm (4), under the cartridge state spacing face (4 c) of elasticity locking mechanism with the terminal surface of guiding hole (3 a) supports, not fluting on the outer wall of drive portion (4 a).

2. The door lock core mechanism according to claim 1, further comprising a core connecting arm (2) mounted on the upper housing (1), wherein the core connecting arm (2) is connected with the door lock locking mechanism so as to drive the door lock locking mechanism to rotate between an unlocking position and a locking position, one end of the core connecting arm (2) is provided with a guide groove (2 a) communicated with the guide hole (3 a), and the driving part (4 a) is inserted into the guide groove (2 a) through the guide hole (3 a) so as to drive the core connecting arm (2) to rotate by transmitting torque.

3. The door lock cylinder mechanism according to claim 2, wherein a cross section of a portion of the driving portion (4 a) inserted into the guide groove (2 a) is rectangular, and the guide groove (2 a) is shape-fitted with a portion of the driving portion (4 a) inserted into the guide groove (2 a).

4. A door lock cylinder mechanism according to any one of claims 1-3, characterized in that the cylinder rocker arm (4) is a plastic piece, the cylinder rocker arm (4) being provided with a machining hole (4 f) in the axial direction, which can be used for its process shaping.

5. The door lock core mechanism according to claim 4, characterized in that the machining hole (4 f) is a blind hole.

6. A door lock cylinder mechanism according to any one of claims 1 to 3, wherein the elastic locking mechanism comprises an elastic portion (4 b) extending obliquely outward from the side surface of the driving portion (4 a), the elastic portion (4 b) is elastically deformable under the action of the pressing force to approach the driving portion (4 a), and the free end of the elastic portion (4 b) and the limit surface (4 c) are respectively abutted against the two end surfaces of the guide hole (3 a) to form a clamping structure.

7. The door lock cylinder mechanism according to claim 6, wherein the driving portion (4 a) is provided with a plurality of the elastic portions (4 b) on an outer peripheral surface thereof.

8. A door lock cylinder mechanism according to any one of claims 1-3, characterized in that the cylinder rocker arm (4) further comprises a protrusion (4 d), one end of the protrusion (4 d) being connected to a radially outer side of the drive portion (4 a), a free end of the protrusion (4 d) being pivotable to a transmission rod for transmitting torque.

9. A door lock comprising the door lock cylinder mechanism of any one of claims 1 to 8.

10. A vehicle comprising a door, the door comprising the door lock of claim 9.

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