Automobile door lock locking mechanism with tensioning function

Abstract

The utility model discloses an automobile door lock locking mechanism with a tensioning function, which comprises a locking motor, a worm, a turbine, a locking arm, an inner locking rocker arm, an outer locking rocker arm, a ratchet wheel, a pawl, an unlocking transmission arm, a locking push rod, an unlocking rocker arm, an outward opening rocker arm, a locking conversion arm and a locking gear, one side of the locking gear is connected with the locking arm, one end of the locking arm is connected with the locking conversion arm, a tensioning groove is formed in the locking conversion arm, one end of the locking push rod is arranged in the tensioning groove, and the locking conversion arm pushes the locking push rod to move; the outward opening rocker arm is arranged on one side of the unlocking rocker arm, the outward opening rocker arm is connected with the unlocking rocker arm, and the outward opening rocker arm drives the unlocking rocker arm to rotate; the outward opening rocker arm, the locking push rod and the unlocking rocker arm are connected, a certain stroke is reserved for the locking push rod, and the outward opening rocker arm is connected with the unlocking rocker arm through the locking push rod, so that the tension lock unlocking function is effectively achieved.

Description

Technical Field

[0001] The utility model relates to a locking mechanism for a car door lock with a tensioning function. Background Art

[0002] The development of the automobile industry has a history of more than a hundred years. Every part of the automobile has been updated and replaced several times, and its structure and function have been continuously optimized. At present, the locking mechanism of automobile door locks is mainly a blocking locking mechanism. The locking arm blocks the movement of the opening arm, thereby disconnecting the door lock opening transmission chain to achieve door locking. However, the blocking locking method has been gradually replaced by the clutch locking method due to structural limitations.

[0003] At present, when the general car side door lock is in the locked state, when operating the inner and outer opening handles, the operating mechanism is in a pre-tensioned state, and remote control or manual unlocking operation is invalid. The inner and outer opening handles of the door must be released to return the operating mechanism to the original position. Then a second unlocking operation is required before operating the inner and outer opening handles to successfully open the door lock, which brings great inconvenience to passengers. Considering the current usage habits of domestic car users and the possible risks of misoperation, it is necessary to improve the existing locking mechanism to improve the convenience of opening the door. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a car door lock that is easy to use and simple to operate. The locking push rod is connected with the outer opening rocker arm, and a certain stroke is reserved for the locking push rod. The outer opening rocker arm is connected with the unlocking rocker arm through the locking push rod, thereby effectively realizing the tension lock and unlock function, so that the passenger can quickly unlock the door when pulling the inner and outer opening handles, which brings great convenience to the passengers. The car door lock mechanism with tension function is practical and widely used.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] A car door lock locking mechanism with a tensioning function comprises a locking motor, a worm, a turbine, a locking arm, an inner locking rocker arm, an outer locking rocker arm, a ratchet, a pawl, an unlocking transmission arm, a locking push rod, an unlocking rocker arm, an outer opening rocker arm, a locking conversion arm and a locking gear. The worm is installed on the locking motor, the turbine is connected to the worm and the locking gear, one side of the locking gear is connected to the locking arm, one end of the locking arm is connected to the locking conversion arm, the locking conversion arm is provided with a tensioning groove, one end of the locking push rod is arranged in the tensioning groove, and the locking conversion arm pushes the locking push rod to move; the locking push rod is arranged between the locking conversion arm and the unlocking rocker arm, the outer opening rocker arm is arranged at one side of the unlocking rocker arm, the outer opening rocker arm is connected to the unlocking rocker arm, the outer opening rocker arm drives the unlocking rocker arm to rotate, and the outer opening rocker arm is provided with a clamping groove, and a limiting shaft is fixed at one end of the locking push rod, and the limiting shaft is arranged in the clamping groove.

[0007] Preferably, a positioning arm is provided on one side of the outward-opening rocker arm, a protrusion is provided on the positioning arm, and the protrusion is partially inserted into the unlocking rocker arm.

[0008] Through the action of the convex block, it is convenient to position the limit axis of the upper arm and the locking push rod to complete the limitation of the movement of the unlocking rocker arm.

[0009] Preferably, the inner locking rocker arm is connected to the locking arm, a boss is provided on one side of the locking arm, the boss is embedded in the inner locking rocker arm, and the inner locking rocker arm drives the locking arm to rotate.

[0010] The connection between the locking arm and the inner locking rocker arm is achieved through the action of the boss, making it easier for the inner locking rocker arm to drive the locking rocker arm to rotate.

[0011] Preferably, the outer locking rocker arm is connected to the locking gear, and the outer locking rocker arm drives the locking gear to rotate.

[0012] This setting realizes the external locking operation of the door lock through the external locking rocker arm.

[0013] Preferably, a movable arm is provided on the locking conversion arm, an arc groove is provided on the movable arm, a portion of the locking arm is inserted into the arc groove, and the locking arm pushes the locking conversion arm to rotate through the movable arm.

[0014] This arrangement realizes the movable connection between the locking conversion arm and the locking arm, realizes the movement of the connecting rod, realizes the change in position, and achieves the unlocking effect.

[0015] Preferably, an unlocking transmission arm is installed on one side of the pawl, and a pushing part is provided at one end of the unlocking rocker arm, and the pushing part is connected to the unlocking transmission arm.

[0016] This arrangement makes it easy for the unlocking transmission arm to drive the pawl to rotate, thereby locking the ratchet wheel through the pawl.

[0017] Preferably, a rocker arm shaft is connected between the outer locking rocker arm, the locking gear and the ratchet.

[0018] This arrangement makes it easy for the outer locking rocker arm, locking gear, ratchet, etc. to rotate around the rocker arm shaft.

[0019] The beneficial effects of the utility model are as follows: by connecting the outward-opening rocker arm, the locking push rod and the unlocking rocker arm, a certain stroke is reserved for the locking push rod, and the outward-opening rocker arm is connected to the unlocking rocker arm through the locking push rod, the tension lock and unlocking function is effectively realized, so that the passenger can quickly unlock the lock when pulling the inner and outer opening handles, which brings great convenience to the passengers and is practical and widely used. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the utility model;

[0023] Figure 3 It is a structural schematic diagram of the utility model.

[0024] Among them, 1. locking motor, 2. worm gear, 3. turbine, 4. locking arm, 5. inner locking rocker arm, 6. outer locking rocker arm, 7. ratchet, 8. pawl, 9. unlocking transmission arm, 10. locking push rod, 11. unlocking rocker arm, 12. outward opening rocker arm, 13. locking conversion arm, 14. anti-mislocking arm, 15. rocker arm shaft, 16. locking gear, 17. lower gear, 18. limit shaft, 19. slot, 20. positioning shaft, 21. movable arm, 22. tensioning slot, 23. pushing part, 24. bump, 25. positioning arm, 26. boss. DETAILED DESCRIPTION

[0025] See also Figure 1 to Figure 2The locking mechanism of a car door lock with a tensioning function shown in the figure comprises a locking motor 1, a worm 2, a turbine 3, a locking arm 4, an inner locking rocker arm 5, an outer locking rocker arm 6, a ratchet 7, a pawl 8, an unlocking transmission arm 9, a locking push rod 10, an unlocking rocker arm 11, an outer opening rocker arm 12, a locking conversion arm 13 and a locking gear 16, wherein the worm 2 is mounted on the locking motor 1, the turbine 3 connects the worm 2 and the locking gear 16, one side of the locking gear 16 is connected to the locking arm 4, one end of the locking arm 4 is connected to the locking conversion arm 13, and the locking conversion arm 16 is connected to the locking arm 4. A tensioning groove 22 is provided on the arm 13, one end of the locking push rod 10 is arranged in the tensioning groove 22, and the locking conversion arm 13 pushes the locking push rod 10 to move; the locking push rod 10 is arranged between the locking conversion arm 13 and the unlocking rocker arm 11, and the outward-opening rocker arm 12 is arranged on one side of the unlocking rocker arm 11, and the outward-opening rocker arm 12 is connected to the unlocking rocker arm 11, and the outward-opening rocker arm 12 drives the unlocking rocker arm 11 to rotate, and a slot 19 is provided on the outward-opening rocker arm 12, and a limiting shaft 18 is fixed at one end of the locking push rod 10, and the limiting shaft 18 is arranged in the slot 19.

[0026] Furthermore, a positioning arm 25 is provided on one side of the outward-opening rocker arm 12 , and a protrusion 24 is provided on the positioning arm 25 , and the protrusion 24 is partially inserted into the unlocking rocker arm 11 .

[0027] Furthermore, the inner locking rocker arm 5 is connected to the locking arm 4 , and a boss 26 is provided on one side of the locking arm 4 . The boss 26 is embedded in the inner locking rocker arm 5 , and the inner locking rocker arm 5 drives the locking arm 4 to rotate.

[0028] Furthermore, the outer locking rocker arm 6 is connected to the locking gear 16 , and the outer locking rocker arm 6 drives the locking gear 16 to rotate.

[0029] Furthermore, a movable arm 21 is provided on the locking conversion arm 13 , and an arc groove is provided on the movable arm 21 , a portion of the locking arm 4 is inserted into the arc groove, and the locking arm 4 pushes the locking conversion arm 13 to rotate through the movable arm.

[0030] Furthermore, an unlocking transmission arm 9 is installed on one side of the pawl 8 , and a pushing portion 23 is provided at one end of the unlocking rocker arm 11 , and the pushing portion 23 is connected to the unlocking transmission arm 9 .

[0031] Furthermore, a rocker arm shaft 15 is connected between the outer locking rocker arm 6 , the locking gear 16 , and the ratchet 7 .

[0032] Furthermore, the locking arm 4 is connected to an anti-mislocking arm 14.

[0033] When the utility model is used, situation one: pull the outer locking rocker arm, the outer locking rocker arm 6 drives the locking gear 16 to rotate, the locking gear 16 pushes the locking arm 4 to rotate, the locking arm 4 pushes the locking conversion arm 13 to rotate, and when the locking conversion arm rotates, it pushes the locking push rod 10 upward, the limit shaft moves up from the slot, and the locking push rod 10 disconnects the unlocking rocker arm 11.

[0034] Case 2: Move the inner locking rocker arm 5, the inner locking rocker arm 5 drives the locking arm 4 to rotate; the locking arm 4 pushes the locking conversion arm 13 to rotate, the locking conversion arm 13 pushes the locking push rod 10 upward, the limit shaft moves out of the slot, and the locking push rod 10 disconnects the unlocking rocker arm 11.

[0035] Case three: the locking motor 1 drives the worm wheel 3 to rotate through the worm 2, the worm wheel 3 drives the locking gear 16 to rotate, the locking gear 16 drives the locking arm 4 to rotate, the locking arm 4 drives the locking conversion arm 13 to rotate, and when the locking conversion arm 13 rotates, it pushes the locking push rod 10 upward, and the limit shaft moves out of the slot, so that the locking push rod 10 disconnects the unlocking rocker arm 11.

[0036] In the locked state, when any of the above operations is adopted, operate the outer opening rocker arm (inner and outer opening handles) to pre-tension the operating mechanism. Because there is a locking conversion arm tensioning groove on the locking conversion arm, the lock can be unlocked normally. Release the outer opening rocker arm, and the locking push rod will automatically reset under the action of the locking push rod reset spring (not shown). The door lock can be opened smoothly, which brings great convenience to passengers.

[0037] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A locking mechanism for a car door lock with a tensioning function, characterized in that: The worm gear is installed on the locking motor, the turbine is connected to the worm gear and the locking gear, one side of the locking gear is connected to the locking arm, one end of the locking arm is connected to the locking conversion arm, the locking conversion arm is provided with a tensioning groove, one end of the locking push rod is arranged in the tensioning groove, and the locking conversion arm pushes the locking push rod to move; the locking push rod is arranged between the locking conversion arm and the unlocking rocker arm, the outer opening rocker arm is arranged on one side of the unlocking rocker arm, the outer opening rocker arm is connected to the unlocking rocker arm, the outer opening rocker arm drives the unlocking rocker arm to rotate, and the outer opening rocker arm is provided with a clamping slot, and a limiting shaft is fixed at one end of the locking push rod, and the limiting shaft is arranged in the clamping slot.

2. The locking mechanism of a vehicle door lock with a tensioning function according to claim 1, characterized in that: A positioning arm is provided on one side of the outward-opening rocker arm, and a protrusion is provided on the positioning arm, and the protrusion is partially inserted into the unlocking rocker arm.

3. The locking mechanism of a vehicle door lock with a tensioning function according to claim 1, characterized in that: The inner locking rocker arm is connected to the locking arm, a boss is provided on one side of the locking arm, the boss is embedded in the inner locking rocker arm, and the inner locking rocker arm drives the locking arm to rotate.

4. The locking mechanism of a vehicle door lock with a tensioning function according to claim 1, characterized in that: The outer locking rocker arm is connected to the locking gear, and the outer locking rocker arm drives the locking gear to rotate.

5. The locking mechanism of a vehicle door lock with a tensioning function according to claim 1, characterized in that: The locking conversion arm is provided with a movable arm, the movable arm is provided with an arc groove, part of the locking arm is inserted into the arc groove, and the locking arm pushes the locking conversion arm to rotate through the movable arm.

6. The automobile door lock locking mechanism with tensioning function according to claim 1, characterized in that: An unlocking transmission arm is installed on one side of the ratchet pawl, and a pushing part is provided at one end of the unlocking rocker arm, and the pushing part is connected to the unlocking transmission arm.

7. The automobile door lock locking mechanism with tensioning function according to claim 1, characterized in that: A rocker arm shaft is connected between the outer locking rocker arm, the locking gear and the ratchet.

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