Mechanical lock mechanism for vehicle door lock and vehicle door lock
By introducing a mechanical lock mechanism into the car door lock, and using a mechanical key to drive the central control ratchet and swing arm, the problem of keyless entry system failure is solved, and the unlocking function is realized in the event of power failure or emergency, thus improving security and convenience.
Patent Information
- Application Number
- CN202422985099.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The keyless entry system cannot recognize the electronic car key when it is out of power or not with you, resulting in the car door being unable to unlock, posing a safety hazard and inconvenience.
Design a mechanical lock mechanism for car door locks, including a central control ratchet, a mechanical swing arm, and a lock cylinder. The lock cylinder is driven by a mechanical key to rotate the mechanical swing arm and the central control ratchet, thereby unlocking and locking.
In the event of a power outage or emergency, the doors can be unlocked with a mechanical key, preventing them from locking up and improving safety and convenience.
Smart Images

Figure CN223469147U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of door lock, especially a mechanical lock mechanism for door lock and door lock. BACKGROUND
[0002] With the development of science and technology, more and more car door locks are without mechanical key lock structure, utilize RFID wireless radio frequency technology, and integrate remote control system and keyless system to realize double radio frequency system and double anti-theft protection, thereby providing maximum convenience and safety for the owner.
[0003] The keyless entry needs to carry an electronic car key, and when the electronic car key is out of power or not carried, identity recognition cannot be performed, which brings inconvenience to the user. In addition, in an emergency, the car door cannot be quickly unlocked to rescue the passengers in the car, which has a safety hazard. UTILITY MODEL CONTENTS
[0004] In view of the above problems, the utility model provides a mechanical lock mechanism for door lock, which can use a mechanical key to unlock in the case of power failure or emergency, avoids the locking of the door, and improves safety.
[0005] The utility model adopts the technical scheme that:
[0006] A mechanical lock mechanism for door lock is arranged on a lock shell of the door lock, the lock shell is internally provided with a central control ratchet wheel rotating around a central control pin shaft, and the mechanical lock mechanism comprises a lock cylinder outside the lock shell and a mechanical swing frame rotating around the central control pin shaft.
[0007] Preferably, the swing frame hole is arranged at one end of the mechanical swing frame, the swing frame slot is arranged at the other end of the mechanical swing frame, the swing frame slot is U-shaped, and the opening of the swing frame slot faces the lock cylinder swing arm; and the swing frame bolt is arranged on the back of the mechanical swing frame.
[0008] Preferably, the bottom end of the lock cylinder is provided with a side opening groove for the lock cylinder swing arm of the lock cylinder to extend out.
[0009] Preferably, the top end of the lock cylinder is provided with a protection eave for protecting the lock cylinder.
[0010] Preferably, the lock cylinder is mounted on one side of the mechanical lock inner shell, the lock cylinder is outside the top end of the lock shell, the side opening groove is above the mechanical lock inner shell, the mechanical lock inner shell is mounted on the lock shell, the mechanical lock inner shell is provided with a first mounting through hole corresponding to the central control pin shaft and a swing groove for the swing of the swing frame bolt.
[0011] Preferably, the mechanical lock inner shell is further provided with a mechanical lock outer shell for covering the mechanical swing frame and the lock cylinder, and the mechanical lock outer shell is provided with a lock cylinder cover shell for covering the lock cylinder and a swing frame cover shell for covering the mechanical swing frame.
[0012] More preferably, the swing frame cover shell is provided with a first outer shell mounting through hole corresponding to the central control pin shaft, the lock cylinder cover shell is provided with a second outer shell mounting through hole on one side, and the mechanical lock inner shell is provided with a mounting through hole seat corresponding to the second outer shell mounting through hole.
[0013] Preferably, the lock shell comprises a main shell and a side shell arranged on one side of the main shell, the central control ratchet wheel is arranged in a side cavity of the side shell, and the mechanical lock inner shell and the mechanical lock outer shell are mounted on the front face of the side shell.
[0014] The utility model also provides a vehicle door lock, mechanical lock mechanism is installed in vehicle door lock, mechanical lock mechanism sets up on the lock shell of vehicle door lock, can open the lock through mechanical key, improves security.
[0015] Compared with the prior art, the utility model has the advantages that: the utility model provides a kind of mechanical lock mechanism for vehicle door lock, lock cylinder drum is rotated using mechanical key, and the swing arm of the drum on the lock cylinder drum drives the synchronous rotation of mechanical swing frame and central control ratchet wheel, to realize locking and unlocking, facilitate in power failure or emergency, using mechanical key to open lock, avoid vehicle door lock, improve security. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 To provide a kind of schematic diagram of the mechanical lock mechanism for vehicle door lock of the utility model Figure 1 .
[0017] Figure 2 To provide a kind of schematic diagram of the mechanical lock mechanism for vehicle door lock of the utility model Figure 2 .
[0018] Figure 3 To provide a kind of mechanical lock mechanism for vehicle door lock of the utility model in the explosion map of vehicle door lock.
[0019] Figure 4 To provide a kind of mechanical lock mechanism for vehicle door lock of the utility model in the explosion map.
[0020] Figure 5 To provide a kind of schematic diagram of the mechanical lock inner shell in the mechanical lock mechanism for vehicle door lock of the utility model.
[0021] Figure 6 To provide a kind of mechanical locking schematic diagram in the mechanical lock mechanism for vehicle door lock of the utility model Figure 1 .
[0022] Figure 7 The mechanical locking diagram in the mechanical lock mechanism for the vehicle door lock Figure 2 .
[0023] Figure 8 The mechanical unlocking diagram in the mechanical lock mechanism for the vehicle door lock Figure 1 .
[0024] Figure 9 The mechanical unlocking diagram in the mechanical lock mechanism for the vehicle door lock Figure 2 . DETAILED DESCRIPTION
[0025] The preferred embodiment of the mechanical lock mechanism for the vehicle door lock provided by the utility model is described in detail according to the drawings.
[0026] Figures 1 to 9 The preferred embodiment of the mechanical lock mechanism for the vehicle door lock provided by the utility model is described in detail according to the drawings. Figures 1 to 9 The mechanical lock mechanism 30 is arranged on the lock shell 10 of the vehicle door lock, the lock shell 10 is internally provided with a central control ratchet wheel 20 rotating around a central control pin shaft 201, the mechanical lock mechanism 30 is connected with the central control ratchet wheel 20, the mechanical lock mechanism 30 drives the central control ratchet wheel 20 to rotate, and unlocking and locking are realized. The central control ratchet wheel 20 drives the first unlocking ratchet wheel 1000 to rotate, the first unlocking ratchet wheel 1000 drives the lock bolt 3000 to insert into or exit the unlocking opening in the second unlocking ratchet wheel 2000. It is worth noting that the specific process that the central control ratchet wheel 20 drives the first unlocking ratchet wheel 1000 to rotate and the first unlocking ratchet wheel 1000 links the second unlocking ratchet wheel 2000 through the lock bolt 3000 to unlock and lock can refer to the prior art or the patent application with the application number 2024116054024, and is not described herein.
[0027] The mechanical lock mechanism 30 comprises a lock cylinder 31 outside the lock shell 10 and a mechanical swing frame 32 rotating around the central control pin shaft 201, the lock cylinder 31 is provided with a lock core rotating cylinder 33 matched with the mechanical key, one side of the lock core rotating cylinder 33 is provided with a rotating cylinder swing arm 331 for driving the swing of the mechanical swing frame, the mechanical swing frame 32 is provided with a swing frame hole 321 corresponding to the central control pin shaft, a swing frame groove 322 matched with the rotating cylinder swing arm and a swing frame bolt 323 for driving the central control ratchet, the central control ratchet 20 is provided with a mechanical lock connection hole 21 for the insertion of the swing frame bolt 323, when the mechanical key is inserted into the lock core rotating cylinder 33, the lock core rotating cylinder 33 is driven to rotate, the rotating cylinder swing arm 331 on the lock core rotating cylinder 33 is inserted into the swing frame groove 322 of the mechanical swing frame 32, the rotating cylinder swing arm 331 drives the mechanical swing frame 32 to rotate around the central control pin shaft 201, the swing frame bolt 323 on the mechanical swing frame 32 drives the central control ratchet 20 to rotate synchronously, the central control ratchet 20 drives the first unlocking ratchet 1000 in the lock shell 10 to rotate, thereby driving the lock bolt 3000 to insert into or exit the second unlocking ratchet 2000 to rotate, achieving unlocking and locking.
[0028] The mechanical swing frame 32 is in a fan-like shape, the swing frame hole 321 is arranged at one end of the mechanical swing frame 32, and the swing frame groove 322 is arranged at the other end of the mechanical swing frame 32. The swing frame groove 322 is in a U shape, and the opening of the swing frame groove 322 faces the rotating cylinder swing arm 331; the swing frame bolt 323 is arranged on the back of the mechanical swing frame 32, so that the rotating cylinder swing arm 331 is conveniently inserted into the swing frame groove 322 to drive the mechanical swing frame 32 and the central control ratchet 20 to rotate synchronously.
[0029] The bottom end of the lock cylinder 31 is provided with a side opening groove 311 for the extension of the rotating cylinder swing arm 331 on the lock core rotating cylinder 33, the setting angle of the side opening groove 311 is not less than the swing angle of the rotating cylinder 331, so as to ensure that when the rotating cylinder swing arm 311 rotates to one end of the side opening groove 311, the mechanical swing frame 32 and the central control ratchet 20 can be driven to be in an unlocking state, and when the rotating cylinder swing arm 311 rotates to the other end of the side opening groove 311, the mechanical swing frame 32 and the central control ratchet 20 can be driven to be in a locking state. The top end of the lock cylinder 31 is provided with a protection eave 312 for protecting the lock core rotating cylinder, so as to avoid impurities from entering the lock core rotating cylinder 33.
[0030] As Figure 5As shown, the lock cylinder 31 is installed on one side of the mechanical lock inner shell 34, the lock cylinder 31 is outside the top end of the lock shell 10, the side slot 311 is above the mechanical lock inner shell 34, the mechanical lock inner shell 34 is installed on the lock shell 10, the mechanical lock inner shell 34 is provided with a first inner shell mounting through hole 341 corresponding to the central control pin shaft 201 and a swing slot 342 for the swing of the swing bracket bolt 323. The lock shell 10 is also provided with an inner pull lock ratchet wheel 4000 rotating around the inner pull lock pin shaft 40001, the inner pull lock ratchet wheel 300 and the central control ratchet wheel 20 are arranged in the same inner cavity of the lock shell 10, the mechanical lock inner shell 34 is provided with a second inner shell mounting through hole 343 corresponding to the inner pull lock pin shaft 40001, so that the mechanical lock inner shell 34 is installed on the lock shell 10 by the first inner shell mounting through hole 341 and the second inner shell mounting through hole 343 by screws. The swing slot 342 surrounds the first inner shell mounting through hole 341 and is arranged in an arc shape, when the swing bracket bolt 323 rotates to one end of the swing slot 342, it indicates that the central control ratchet wheel 20 rotates to the locking position, and when the swing bracket bolt 323 rotates to the other end of the swing slot 342, it indicates that the central control ratchet wheel 20 rotates to the unlocking position.
[0031] The mechanical lock outer shell 35 is also installed outside the mechanical lock inner shell 34 for covering the mechanical swing bracket and the lock cylinder, the mechanical lock outer shell 35 is provided with a lock cylinder cover shell 351 for covering the lock cylinder and a swing bracket cover shell 352 for covering the mechanical swing bracket, the swing bracket cover shell 352 is provided with a first outer shell mounting through hole 353 corresponding to the central control pin shaft 201, one side of the lock cylinder cover shell 351 is provided with a second outer shell mounting through hole 354, and the mechanical lock inner shell 34 is provided with a mounting through hole seat 344 corresponding to the second outer shell mounting through hole 354, so that the mechanical lock outer shell 35 is installed on the lock shell 10 by bolts passing through the first outer shell mounting through hole 353 and the second outer shell mounting through hole 354, preventing the mechanical lock outer shell 35 from falling off arbitrarily.
[0032] The lock shell 10 includes a main shell 102 and a side shell 101 arranged on one side of the main shell, a lock slot 11 for inserting the vehicle body lock hook is formed between the main shell 102 and the side shell 101, the central control ratchet wheel 20 and the inner pull lock ratchet wheel 4000 are arranged in the side cavity of the side shell 101, and the mechanical lock inner shell 34 and the mechanical lock outer shell 35 are installed on the front face of the side shell 101; the lock tongue block 12 and the lock hook block 13 are arranged in the front cavity of the main shell 102, and the first unlocking ratchet wheel 1000 and the second unlocking ratchet wheel 2000 are arranged in the back cavity of the main shell 102.
[0033] The specific working process of the mechanical lock is as follows: (1) locking: as shown in FIG. 2, the central control ratchet wheel 20 is in the locking position, the swing bracket bolt 323 is in the swing slot 342, the lock cylinder 31 is in the unlocking position, the lock tongue block 12 is in the unlocking position, the lock hook block 13 is in the locking position, and the first unlocking ratchet wheel 1000 is in the unlocking position. Figure 6 and Figure 7As shown, when the mechanical key is inserted into the lock cylinder drum 33, the lock cylinder drum 33 is driven to rotate counterclockwise, the drum swing arm 331 on the lock cylinder drum 33 is inserted into the swing rack slot 322 of the mechanical swing rack 32, pushes one side wall of the swing rack slot 322, drives the mechanical swing rack 32 to rotate away from the lock slot 11, the central control ratchet 20 coaxial with the mechanical swing rack 32 is synchronously rotated away from the lock slot 11, the central control ratchet 20 drives the first unlocking ratchet 1000 to synchronously rotate, the lock bolt 3000 on the first unlocking ratchet 1000 moves downward, the end of the lock bolt 3000 exits from the unlocking passage of the second unlocking ratchet 2000, the inner handle or the outer handle is pulled, the second unlocking ratchet 2000 cannot drive the lock hook block 13 to rotate, so that the locking is realized. Figure 8 and Figure 9 As shown, when the mechanical key is inserted into the lock cylinder drum 33, the lock cylinder drum 33 is driven to rotate clockwise, the drum swing arm 331 on the lock cylinder drum 33 is inserted into the swing rack slot 322 of the mechanical swing rack 32, pushes the other side wall of the swing rack slot 322, drives the mechanical swing rack 32 to rotate close to the lock slot 11, the central control ratchet 20 coaxial with the mechanical swing rack 32 is synchronously rotated close to the lock slot 11, the central control ratchet 20 drives the first unlocking ratchet 1000 to synchronously rotate, the lock bolt 3000 on the first unlocking ratchet 1000 moves upward, the end of the lock bolt 3000 is inserted into the unlocking passage of the second unlocking ratchet 2000, the inner handle or the outer handle is pulled, the second unlocking ratchet 2000 can drive the lock hook block 13 to rotate, so that the unlocking is realized.
[0034] The utility model also provides a vehicle door lock, mechanical lock mechanism 30 is installed in vehicle door lock, can be unlocked through mechanical key, improves security.
[0035] In summary, the technical scheme of the utility model can fully and effectively achieve the above-mentioned utility model purposes, the structure and function principle of the utility model have been fully verified in the embodiments, the expected effects and purposes can be achieved, various changes or modifications can be made to the embodiments of the utility model without departing from the principles and essence of the utility model. Therefore, the utility model includes all the alternatives mentioned in the patent application range, any equivalent changes made in the patent application range of the utility model are within the patent application range of the utility model.
Claims
1. A mechanical lock mechanism for a vehicle door lock, which is arranged on a lock housing of the vehicle door lock, wherein a central control ratchet wheel rotating around a central control pin is arranged in the lock housing, and is characterized in that: The lock cylinder is outside the lock shell, and the mechanical swing frame rotates around the central control pin shaft, the lock cylinder is provided with a lock core rotating cylinder matched with the mechanical key, one side of the lock core rotating cylinder is provided with a rotating cylinder swing arm for driving the mechanical swing frame to swing, the mechanical swing frame is provided with a swing frame hole corresponding to the central control pin shaft, a swing frame slot matched with the rotating cylinder swing arm, and a swing frame bolt for driving the central control ratchet, and the central control ratchet is provided with a mechanical lock connecting hole for the swing frame bolt.
2. The mechanical lock mechanism for a door lock according to claim 1, characterized in that: The swing frame hole is arranged at one end of the mechanical swing frame, the swing frame slot is arranged at the other end of the mechanical swing frame, the swing frame slot is U-shaped, and the opening of the swing frame slot faces the rotating cylinder swing arm; the swing frame bolt is arranged on the back surface of the mechanical swing frame.
3. The mechanical lock mechanism for a door lock according to claim 1, characterized in that: The bottom end of the lock cylinder is provided with a side opening groove for the rotating cylinder swing arm of the lock core rotating cylinder to extend out.
4. The mechanical lock mechanism for a door lock according to claim 1, characterized by: The top end of the lock cylinder is provided with a protection eave for protecting the lock core rotating cylinder.
5. The mechanical lock mechanism for a vehicle door lock according to claim 3, characterized by: The lock cylinder is installed on one side of the mechanical lock inner shell, the lock cylinder is outside the top end of the lock shell, the side opening groove is above the mechanical lock inner shell, the mechanical lock inner shell is installed on the lock shell, and the mechanical lock inner shell is provided with a first installation through hole corresponding to the central control pin shaft and a swing slot for the swing of the swing frame bolt.
6. The mechanical lock mechanism for a door lock according to claim 5, characterized in that: The mechanical lock outer shell is further installed outside the mechanical lock inner shell for covering the mechanical swing frame and the lock cylinder, the lock cylinder cover is arranged in the lock cylinder, and the swing frame cover is arranged in the mechanical swing frame.
7. A mechanical lock mechanism for a vehicle door lock according to claim 6, characterized in that: The swing frame cover is provided with a first outer shell installation through hole corresponding to the central control pin shaft, one side of the lock cylinder cover is provided with a second outer shell installation through hole, and the installation through hole seat corresponding to the second outer shell installation through hole is arranged on the mechanical lock inner shell.
8. The mechanical lock mechanism for a vehicle door lock according to claim 6, characterized by: The lock shell comprises a main shell and a side shell arranged on one side of the main shell, the central control ratchet is arranged in the side cavity of the side shell, and the mechanical lock inner shell and the mechanical lock outer shell are installed on the front surface of the side shell.
9. A vehicle door lock characterized by comprising: The mechanical lock mechanism is installed in the vehicle door lock. The mechanical lock mechanism is installed in the vehicle door lock.