Electric unlocking mechanism for automobile door lock

Abstract

The utility model discloses an electric unlocking mechanism for an automobile door lock, which comprises an electric switch motor, a worm, a turbine, a driving gear, a driven gear, a locking conversion arm shaft, an unlocking rocker arm, a pawl and a ratchet wheel, the worm is mounted on the electric switch motor, one end of the worm is connected with the turbine, the worm drives the turbine to rotate, and the ratchet wheel is mounted on the worm. The driving gear is arranged on one side of the turbine, the driving gear and the turbine synchronously move, the driven gear is connected with the driving gear, the driving gear drives the driven gear to rotate, the unlocking rocker arm is arranged on one side of the driven gear, the driven gear pushes the unlocking rocker arm to rotate, the unlocking rocker arm is connected with the pawl, and the pawl is connected with the ratchet wheel.

Description

Technical Field

[0001] The utility model relates to an electric unlocking mechanism for a car door lock. Background Art

[0002] With the rapid development of science and technology, the automobile industry is also tending to develop in the direction of intelligence and automation, which is more reflected in intelligent driving, intelligent control, etc. For existing cars, the opening control of door locks is also a key development direction; the current existing car door lock unlocking method still relies on manual handle pull wire to unlock, and its operation method is still relatively old-fashioned, the user experience is poor, and it cannot meet the needs of some customers. Therefore, it is necessary to develop an electric unlocking mechanism for car door locks to make the door lock opening more convenient. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an electric unlocking mechanism for automobile door locks which is easy to use and simple to operate, realizes automatic opening of door locks through the action of a motor, improves the convenience of opening the door locks, and enhances the user experience. The electric unlocking mechanism is practical and widely used.

[0004] In order to solve the above problems, the utility model adopts the following technical solutions:

[0005] An electric unlocking mechanism for a car door lock comprises an electric opening motor, a worm, a turbine, a driving gear, a driven gear, a locking conversion arm shaft, an unlocking rocker arm, a pawl and a ratchet, wherein the worm is mounted on the electric opening motor, one end of the worm is connected to the turbine, the worm drives the turbine to rotate, the driving gear is arranged on one side of the turbine, the driving gear and the turbine are fixed by the locking conversion arm shaft, the driving gear and the turbine move synchronously, the driven gear is connected to the driving gear, the driving gear drives the driven gear to rotate, the unlocking rocker arm is arranged on one side of the driven gear, the driven gear pushes the unlocking rocker arm to rotate, a child-proof rocker arm shaft is arranged between the unlocking rocker arm and the driven gear, the unlocking rocker arm is connected to the pawl, and the pawl is connected to the ratchet.

[0006] The utility model realizes the separation of the ratchet pawl and the ratchet wheel through the transmission of the electric opening motor, the worm, the turbine, the driving gear, the driven gear and the unlocking rocker arm, thereby realizing the unlocking operation.

[0007] Preferably, an unlocking push shaft is provided on the unlocking rocker arm, and a push arm is provided on the driven gear, and the push arm is connected to the unlocking push shaft.

[0008] This arrangement realizes transmission between the driven gear and the unlocking rocker arm through the action of the push arm and the unlocking push shaft.

[0009] Preferably, the turbine is provided with tooth surface one, the driving gear is provided with tooth surface two, the driven gear is provided with tooth surface three, tooth surface one is meshingly connected with the worm, and tooth surface two is meshingly connected with tooth surface three.

[0010] This arrangement ensures the stability and continuity of power transmission when unlocking through the action of tooth surface one, tooth surface two, tooth surface three, the turbine and the worm, thereby achieving the separation of the pawl and the ratchet wheel.

[0011] Preferably, a gear pressure plate is connected between the locking conversion arm shaft and the child protection rocker arm shaft, and the gear pressure plate is arranged on the outside of the driving gear and the driven gear.

[0012] This setting completes the fixation and connection between the locking conversion arm shaft and the child protection rocker arm shaft through the action of the gear pressure plate, and at the same time realizes the limiting of the driving gear and the driven gear to ensure the stability of the transmission.

[0013] The beneficial effects of the utility model are: easy to use, simple to operate, and automatic opening of the door lock is achieved through the action of the motor, which improves the convenience of opening the door lock and increases the user experience. It is practical and widely used. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model.

[0017] Among them, 1. electric opening motor, 2. worm, 3. push arm, 4. turbine, 5. driving gear, 6. locking conversion arm shaft, 7. driven gear, 8. child protection rocker arm shaft, 9. gear pressure plate, 10. unlocking rocker arm, 11. unlocking push shaft, 12. unlocking transmission arm, 13. pawl, 14. pawl shaft, 15. ratchet, 16. ratchet shaft, 17. tooth surface one, 18. tooth surface two, 19. tooth surface three, 20. fixed arm. DETAILED DESCRIPTION

[0018] See also Figure 1 to Figure 2The electric unlocking mechanism for a car door lock shown in the figure includes an electric opening motor 1, a worm 2, a turbine 4, a driving gear 5, a driven gear 7, a locking conversion arm shaft 6, an unlocking rocker arm 10, a pawl 13 and a ratchet 15. The worm 2 is installed on the electric opening motor 1, one end of the worm 2 is connected to the turbine 4, and the worm 2 drives the turbine 4 to rotate. The driving gear 5 is arranged on one side of the turbine 4, and the driving gear 5 and the turbine 4 are fixed by the locking conversion arm shaft 6. The driving gear 5 and the turbine 4 move synchronously, and the driven gear 7 is connected to the driving gear 5, and the driving gear 5 drives the driven gear 7 to rotate. The unlocking rocker arm 10 is arranged on one side of the driven gear 7, and the driven gear 7 pushes the unlocking rocker arm 10 to rotate. A child-proof rocker arm shaft 8 is provided between the unlocking rocker arm 10 and the driven gear 7, and the unlocking rocker arm 10 is connected to the pawl 13, and the pawl 13 is connected to the ratchet 15.

[0019] Furthermore, an unlocking push shaft 11 is provided on the unlocking rocker arm 10, and a push arm 3 is provided on the driven gear 7. The push arm 3 is connected to the unlocking push shaft 11, and the push arm pushes the unlocking push shaft to move.

[0020] Furthermore, the turbine 4 is provided with a tooth surface 17 , the driving gear 5 is provided with a tooth surface 2 18 , and the driven gear 7 is provided with a tooth surface 3 19 . The tooth surface 17 is meshedly connected with the worm 2 , and the tooth surface 2 18 is meshedly connected with the tooth surface 3 19 .

[0021] Furthermore, a gear pressure plate 9 is connected between the locking conversion arm shaft 6 and the child protection rocker arm shaft 8 , and the gear pressure plate 9 is arranged on the outside of the driving gear 5 and the driven gear 7 .

[0022] Furthermore, a pawl shaft 14 is provided on the pawl 13 , and the pawl 13 rotates around the pawl shaft 14 .

[0023] Furthermore, a ratchet shaft 16 is provided on the ratchet, and the ratchet rotates around the ratchet shaft.

[0024] Furthermore, one end of the child-safety rocker arm shaft is mounted on the fixed arm 20, and the driven gear and the unlocking rocker arm rotate around the child-safety rocker arm shaft.

[0025] Furthermore, the turbine and the driving gear rotate around the locking conversion arm shaft 6 .

[0026] When the utility model is used, when unlocking is needed, the electric opening motor is controlled by a button or a remote control, the electric opening motor drives the worm to rotate, the worm drives the turbine to rotate, the turbine drives the driving gear to rotate synchronously, the driving gear drives the driven gear to rotate, the driven gear drives the unlocking rocker arm to rotate through the action of the push arm and the unlocking push shaft, the unlocking rocker arm pushes the pawl to rotate, when the pawl rotates to a certain angle, the pawl loses the restraint on the ratchet wheel, the unlocking operation of the car door lock is realized, and the car door can be opened directly.

[0027] On the contrary, through the reverse action of the electric opening motor, the turbine, the driving gear and the driven gear are reset, and the unlocking rocker arm and the pawl are reset under the action of the torsion spring.

[0028] 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. An electric unlocking mechanism for a car door lock, characterized in that: It includes an electric opening motor, a worm, a turbine, a driving gear, a driven gear, a locking conversion arm shaft, an unlocking rocker arm, a pawl and a ratchet. The worm is installed on the electric opening motor, one end of the worm is connected to the turbine, and the worm drives the turbine to rotate. The driving gear is arranged on one side of the turbine, the driving gear and the turbine are fixed by the locking conversion arm shaft, the driving gear and the turbine move synchronously, the driven gear is connected to the driving gear, the driving gear drives the driven gear to rotate, the unlocking rocker arm is arranged on one side of the driven gear, the driven gear pushes the unlocking rocker arm to rotate, a child protection rocker arm shaft is arranged between the unlocking rocker arm and the driven gear, the unlocking rocker arm is connected to the pawl, and the pawl is connected to the ratchet.

2. The electric unlocking mechanism for a car door lock according to claim 1, characterized in that: An unlocking push shaft is arranged on the unlocking rocker arm, and a push arm is arranged on the driven gear, and the push arm is connected to the unlocking push shaft.

3. The electric unlocking mechanism for a car door lock according to claim 1, characterized in that: The turbine is provided with a tooth surface one, the driving gear is provided with a tooth surface two, and the driven gear is provided with a tooth surface three. The tooth surface one is meshed and connected with the worm, and the tooth surface two is meshed and connected with the tooth surface three.

4. The electric unlocking mechanism for a car door lock according to claim 1, characterized in that: A gear pressure plate is connected between the locking conversion arm shaft and the child protection rocker arm shaft, and the gear pressure plate is arranged on the outside of the driving gear and the driven gear.

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