Multifunctional automobile electric door lock

Abstract

The invention provides a multifunctional automobile electric door lock which comprises a door lock bottom plate, a clamping plate, a first gear plate and a pawl, the door lock bottom plate is fixedly installed on an automobile door, a door lock lower shell and a door lock upper shell are installed on the door lock bottom plate, the door lock lower shell is connected with the door lock bottom plate, and the door lock upper shell is installed on the upper portion of the door lock lower shell; the clamping plate is installed in a cavity between the door lock lower shell and the door lock bottom plate through a first pin shaft, the first gear plate is installed in a cavity between the door lock lower shell and the door lock upper shell through a first pin shaft, a clamping plate driving rod is arranged on the clamping plate, and the lower end of the clamping plate driving rod is fixedly installed on the clamping plate. The upper end of the clamping plate driving rod sequentially penetrates through the door lock lower shell and the first gear plate. The functions of electric unlocking, electric suction door closing, ice breaking, external linkage and the like are achieved by matching the single motor with the first gear plate of a special structure, the structure is compact, simple and reliable, the occupied size of the electric door lock is small, vehicle door installation is facilitated, the overall structure is high in reliability, and the safety performance of a vehicle is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile accessories, in particular to a multifunctional automobile electric door lock. Background Art

[0002] Car door locks are crucial components in vehicles. Their primary function is to keep the doors closed after closing, preventing them from accidentally opening while the vehicle is in motion and protecting the safety of drivers and passengers. With the shift in vehicle development from traditional fuel-powered vehicles to new energy vehicles in my country, and the subsequent electrification of vehicles, the incorporation of intelligent and automated components is increasing. Car door locks are also evolving towards multifunctionality and automation. Currently, electric door locks offer two main functions: electric locking and ice breaking. The electric locking function allows the door to be partially locked by gently pushing it when closing. After this, a mechanism within the electric door lock pulls the door to fully lock it. The ice breaking function, when a frozen door is frozen in low temperatures, generates a thrust that forces the door to open outward, breaking any thin ice adhering to the door joint and facilitating normal opening. For example, Chinese patent application number 202321388177.4 discloses an integrated self-priming electric opening and ice-breaking side door lock, comprising two side boxes assembled with transmission components and functional components. The opening arm and the pawl are coaxially arranged via the pawl shaft. One side edge of the pawl is buckled onto the opening arm, so that when the opening arm rotates, it can push the pawl to rotate along the pawl shaft. The ends of the connecting arm are movably connected to the electric suction secondary wheel and the middle part of the U-shaped suction arm. The movement of the connecting arm pulls the suction arm to rotate along the clamping plate axis. The suction arm is connected to the clutch arm, and the clamping plate pin provided on the clamping plate is locked into the open slot on the clutch arm. When the clamping plate pin is locked in the open slot on the clutch arm, the clutch arm rotates, pushing the clamping plate to rotate in the locking direction. This device uses two motors to achieve the ice-breaking and electric suction functions. Multiple motors will lead to high equipment costs and increased failure rate. For example, Chinese patent application number 202323666316.8 discloses an integrated self-priming electric door lock, which relates to the field of automotive components. Its main structure mainly includes an upper cover, a base, a claw support, and a bottom plate for assembling various functional components. A motor drives the worm, which cooperates with the gearbox to drive the drive plate to rotate. The pin on the drive plate toggles the drag arm to move, and the drag arm drags the card plate movably connected to it to complete the attraction process. The device is implemented by a motor. The device achieves self-priming and door opening through a complex multi-link structure, which also has a high failure rate and is not conducive to production and maintenance. Therefore, there is a need for a multifunctional automotive electric door lock that uses a specially structured gear plate to drive a pawl, card plate, and other mechanisms to achieve functions such as electric suction, ice breaking, and emergency unlocking. At the same time, it is equipped with an external linkage unlocking device, eliminating the need for an opening driver in the electric door system, and can achieve multiple functions. At the same time, the structure is simple and reliable, and the failure rate is low. Summary of the Invention

[0003] In order to solve the above problems, the present invention proposes a multifunctional automobile electric door lock, which drives the pawl, card plate and other mechanisms through a specially structured gear plate to realize functions such as electric suction, ice breaking, and emergency unlocking. At the same time, it is provided with an external linkage unlocking device, which eliminates the need for a separate opening driver for the electric door system, can realize multiple functions, and at the same time has a simple and reliable structure and a low failure rate.

[0004] The present invention is achieved through the following technical solutions:

[0005] The present invention provides a multifunctional automobile electric door lock, comprising: a door lock base plate, a card plate, a first gear plate, and a pawl. The door lock base plate is fixedly mounted on the automobile door, a door lock lower shell and a door lock upper shell are mounted on the door lock base plate, the door lock lower shell is connected to the door lock base plate, and the door lock upper shell is mounted on the upper part of the door lock lower shell; the card plate is mounted in a cavity between the door lock lower shell and the door lock base plate through a first pin shaft, the first gear plate is mounted in a cavity between the door lock lower shell and the door lock upper shell through a first pin shaft, and a card plate driving mechanism is provided on the card plate. Rod, the lower end of the card plate driving rod is fixedly mounted on the card plate, and the upper end of the card plate driving rod passes through the door lock lower shell and the first gear plate in sequence; one end of the pawl is hingedly mounted in the cavity between the door lock lower shell and the door lock bottom plate through a second pin shaft, and the other end of the pawl is pressed against one side of the card plate, and a pawl driving rod is provided on the pawl, and the lower end of the pawl driving rod is fixedly mounted on the pawl, and the upper end of the pawl driving rod passes through the door lock lower shell; a beveled edge portion is provided on the outer periphery of the first gear plate, and after the first gear plate rotates, the beveled edge portion presses against the upper part of the pawl driving rod.

[0006] Furthermore, a motor is installed in the door lock lower shell, and a worm part is provided on the output shaft of the motor, and the worm part is connected to the first gear plate through a gear set.

[0007] Furthermore, the gear set includes a first gear and a second gear, and the first gear and the second gear are respectively installed on the lower shell of the door lock through a third pin and a fourth pin, and the worm part, the first gear, the second gear, and the first gear plate are meshed and connected in sequence.

[0008] Furthermore, a first arc-shaped hole is provided on the first gear plate, and a second arc-shaped hole and a third arc-shaped hole are provided on the lower shell of the door lock. The upper end of the card plate driving rod passes through the second arc-shaped hole and the first arc-shaped hole in sequence, and the pawl driving rod passes through the third arc-shaped hole.

[0009] Furthermore, a second gear plate and a transmission block are provided on one side of the first arc-shaped hole, the shaft portion of the transmission block passes through the first gear plate, and the second gear plate is connected to the shaft portion of the transmission block. When the first gear plate rotates, the card plate driving rod can move to a first position and a second position relative to the first arc-shaped hole. When the card plate driving rod is in the first position, the card plate driving rod is pressed against one end of the first arc-shaped hole, and the pawl driving rod is located at the far end of the hypotenuse. When the card plate driving rod is in the second position, one side of the transmission block is pressed against the outer periphery of the card plate driving rod.

[0010] Furthermore, the door lock upper shell is provided with an emergency unlocking dial plate, the middle part of the emergency unlocking dial plate is connected to the door lock upper shell through a fifth pin shaft, one end of the emergency unlocking dial plate has a transmission tooth, and the other end of the emergency unlocking dial plate is connected to a manual pull wire, and a third gear is provided on the first pin shaft, and the end of the emergency unlocking dial plate with the transmission tooth is meshed with the second gear plate through the third gear.

[0011] Furthermore, a first external linkage paddle is installed on the door lock upper shell through a sixth pin shaft, and a second external linkage paddle is installed on the door lock bottom plate through a seventh pin shaft. One end of the first external linkage paddle is provided with a long waist hole, and the pawl driving rod is slidingly connected to the first external linkage paddle through the long waist hole. The other end of the first external linkage paddle is pressed against one end of the second external linkage paddle, and the other end of the second external linkage paddle is connected to the external opening pull wire.

[0012] Furthermore, the first pin shaft, the second pin shaft, the shaft body of the transmission block, and the seventh pin shaft are all provided with torsion springs.

[0013] Furthermore, a first signal switch, a second signal switch, and a third signal switch are provided on the lower shell of the door lock, and an eighth pin shaft is provided on one side of the first gear plate. When the first gear plate rotates, the eighth pin shaft sequentially toggles the first signal switch and the second signal switch. When the emergency unlocking dial plate is pulled, one side of the emergency unlocking dial plate is pressed on the third signal switch.

[0014] Furthermore, a fourth signal switch, a fifth signal switch, and a sixth signal switch are provided on the lower shell of the door lock, and a plurality of protrusions are provided on the card plate. When the card plate is in a fully open state, a semi-locked state, and a fully locked state, the protrusions are in contact with the fourth signal switch, the fifth signal switch, and the sixth signal switch, respectively.

[0015] Beneficial effects of the present invention:

[0016] 1. By setting a first gear plate with a special structure in the device, a single motor can drive the first gear plate to rotate and then drive the card plate to realize the electric suction closing function;

[0017] 2. By using a single motor to rotate the first gear plate in the opposite direction, the pawl release function can be completed. The released pawl allows the external opening cable to be pulled through the external linkage paddle, which is linked with other door locks to achieve electric unlocking.

[0018] 3. On the basis of electric unlocking, the first gear plate continues to rotate in the opposite direction to drive the card plate to rotate outward, thereby pushing the door to open outward and realizing the ice-breaking function;

[0019] 4. Set the second gear plate on the first gear plate. Pulling the emergency unlocking plate can release the pawl and loosen the transmission block to realize manual emergency door opening;

[0020] 5. Only a single motor is required, and different functions are completed through the first gear plate. The structure is compact, simple and reliable. The electric door lock occupies a small volume, which is convenient for door installation. The overall structure is highly reliable, improving vehicle safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of the door lock lower shell and door lock upper shell of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the lower part of the door lock bottom plate of the present invention;

[0023] Figure 3 It is a structural schematic diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the installation of the card plate of the present invention in the lower housing of the door lock;

[0025] Figure 5 A schematic diagram of the card plate driving rod moving to the second position relative to the first arc-shaped hole;

[0026] Figure 6 A schematic diagram of the card plate driving rod moving to the first position relative to the first arc-shaped hole;

[0027] Figure 7 This is a schematic diagram of unlocking the door through the emergency unlocking dial;

[0028] Figure 8 This is a schematic diagram of the transmission block pressing against one side of the card drive rod;

[0029] Figure 9 This is a schematic diagram of the transmission block when unlocking via the emergency unlocking dial;

[0030] Figure 10 Schematic diagram of the connection between the first external linkage paddle and the pawl before emergency unlocking;

[0031] Figure 11 Schematic diagram of the connection between the first external linkage paddle and the pawl after emergency unlocking;

[0032] Figure 12 It is a structural diagram of the lower shell of the door lock;

[0033] Figure 13 It is an explosion diagram of the present invention;

[0034] Figure 14 Schematic diagram of the connection between the clamping plate and the pawl in the fully locked state;

[0035] Figure 15 Schematic diagram of the connection between the clamping plate and the pawl in the semi-locked state;

[0036] Figure 16 This is a schematic diagram of the connection between the card plate and the pawl in the fully open state;

[0037] Figure 17 This is a schematic diagram of the installation of the present invention on a vehicle door;

[0038] In the figure: 1-door lock bottom plate, 2-door lock lower shell, 201-second arc hole, 203-third arc hole, 3-door lock upper shell, 4-clip plate, 5-first pin, 6-first gear plate, 601-bevel portion, 602-first arc hole, 7-clip plate drive rod, 8-paw, 9-second pin, 10-paw drive rod, 11-motor, 12-worm portion, 13-first gear, 14-second gear, 15-third pin, 16-fourth pin, 17-second gear Plate, 18-transmission block, 19-emergency unlocking dial plate, 20-fifth pin shaft, 21-manual pull wire, 22-third gear, 23-sixth pin shaft, 24-first external linkage paddle, 25-seventh pin shaft, 26-second external linkage paddle, 27-external opening pull wire, 28-torsion spring, 30-first signal switch, 31-second signal switch, 32-third signal switch, 33-eighth pin shaft, 34-fourth signal switch, 35-fifth signal switch, 36-sixth signal switch. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0040] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0041] Furthermore, terms such as "first," "second," and so forth, used in this disclosure are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include at least one of the aforementioned features. Furthermore, the technical solutions of various embodiments may be combined, but only if they are achievable by persons of ordinary skill in the art. If a combination of technical solutions contradicts or is unachievable, such combination shall be deemed non-existent and outside the scope of protection claimed by this disclosure.

[0042] like Figures 1 to 17 As shown, an embodiment of the present invention provides a multifunctional automobile electric door lock, comprising: a door lock base plate 1, a card plate 4, a first gear plate 6, and a pawl 8. The door lock base plate 1 is fixedly mounted on the automobile door, and a door lock lower shell 2 and a door lock upper shell 3 are mounted on the door lock base plate 1. The door lock lower shell 2 is connected to the door lock base plate 1, and the door lock upper shell 3 is mounted on the upper part of the door lock lower shell 2; the card plate 4 is mounted in the cavity between the door lock lower shell 2 and the door lock base plate 1 through a first pin shaft 5, and the first gear plate 6 is mounted in the cavity between the door lock lower shell 2 and the door lock upper shell 3 through a first pin shaft 5. The card plate 4 is provided with a card plate drive Rod 7, the lower end of the card plate driving rod 7 is fixedly mounted on the card plate 4, and the upper end of the card plate driving rod 7 passes through the door lock lower shell 2 and the first gear plate 6 in sequence; one end of the pawl 8 is hingedly mounted in the cavity between the door lock lower shell 2 and the door lock bottom plate 1 through the second pin shaft 9, and the other end of the pawl 8 is pressed against one side of the card plate 4, and a pawl driving rod 10 is provided on the pawl 8, and the lower end of the pawl driving rod 10 is fixedly mounted on the pawl 8, and the upper end of the pawl driving rod 10 passes through the door lock lower shell 2; a beveled edge portion 601 is provided on the outer periphery of the first gear plate 6, and after the first gear plate 6 rotates, the beveled edge portion 601 presses against the upper part of the pawl driving rod 10.

[0043] This device has functions such as electric unlocking, electric suction closing, ice breaking, and external linkage. The following explains the implementation principle:

[0044] like Figure 4 、 Figure 5As shown, first of all, it has the most basic functions of locking the car door and closing the door by electric suction. The lock catch matched with the electric door lock is fixedly installed on the B-pillar or C-pillar of the car body, and the electric door lock is fixedly installed on the car door through the door lock base plate 1. After the car door is closed, the lock catch will push the card plate 4 so that one end of the card plate 4 is stuck on the pawl 8. At this time, there is still a little space between the card plate and the door lock base plate 1, and the car door is not completely fixed, so it becomes a semi-locked state. At this time, the protrusion of the card plate 4 is against the fifth signal switch 35. When the controller detects that the card plate 4 changes from the fully open state to the semi-locked state, it means that the door is closing. At this time, the motor 11 is controlled to rotate, and the torque of the motor 11 is transmitted through the first gear 13 and the second gear 1 4 is transmitted to the first gear plate 6. After the first gear plate 6 rotates, it presses on the card plate driving rod 7 through the transmission block 18, forcing the card plate 4 to rotate together with the first gear plate 6, so that the card plate 4 drives the lock catch to continue to move inward, so that the other side of the card plate 4 presses on the pawl 8. At this time, the card plate 4 tightly pulls the lock catch, and the card plate 4 is limited by the pawl 8, thereby locking the door firmly to achieve a fully locked state. The motor 11 is connected to the first gear 13 through the worm part 12. The worm gear has a self-locking property. After the motor 11 stops rotating, the first gear plate 6 can remain stationary, thereby applying a thrust to the card plate driving rod 7 through the transmission block 18, further ensuring the stability of the card plate 4.

[0045] like Figure 6 、 Figure 9 As shown, when electric unlocking is used, the motor 11 is controlled to rotate, and the torque of the motor 11 is transmitted to the first gear plate 6 through the first gear 13 and the second gear 14. The rotation direction of the first gear plate 6 is opposite to the direction when the door is electrically closed. At this time, since the first gear plate 6 is provided with a first arc-shaped hole 602, the first gear plate 6 does not immediately drive the card plate driving rod 7 after rotation. Instead, it first rotates a certain angle and then pushes the pawl driving rod 10 outward through the beveled edge 601 provided on the outer periphery of the first gear plate 6. The pawl 8 rotates under the drive of the pawl driving rod 10, so that the pawl 8 is out of contact with the card plate 4. At this time, the card plate 4 can rotate. At the same time, when the pawl driving rod 10 is pushed outward, it will drive the first outer linkage paddle 24 and the second outer linkage paddle 26 to rotate together, thereby pulling the outer opening wire 27 through the second outer linkage paddle 26, so that other door lock mechanisms and electric sliding door devices on the vehicle door are unlocked together, so that the entire vehicle door can be opened, realizing electric unlocking.

[0046] In cold weather, when the car door is frozen, the ice-breaking function needs to be used. When breaking ice, the implementation principle is that after the electric unlocking, the motor 11 continues to drive the first gear plate 6 to rotate. The arc edge of the first gear plate 6 is connected to the bevel portion 601. After the pawl drive rod 10 pushes the farthest end through the bevel portion 601, the first gear plate 6 will not continue to push the pawl drive rod 10 to move. After the first gear plate 6 continues to rotate, the card plate drive rod 7 moves to the first position relative to the first arc hole 602. At this time, the end of the first arc hole 602 pushes the card plate drive rod 7 to move together. The rotation direction of the card plate 4 is opposite to the direction when the door is closed by electric suction, that is, the car door obtains an outward thrust, thereby breaking the ice layer that hinders the door opening, so as to facilitate the opening of the car door.

[0047] like Figures 7 to 11 As shown, when the door needs to be opened manually in an emergency, the manual pull wire 21 can be pulled by the handle on the vehicle door, thereby pulling the emergency unlocking dial plate 19 to rotate. After the emergency unlocking dial plate 19 rotates, it will drive the first outer linkage paddle 24 to rotate, and the first outer linkage paddle 24 can drive the pawl driving rod 10 to release the pawl 8. At the same time, the first outer linkage paddle 24 can also drive the second outer linkage paddle 26 to unlock the vehicle door and other door lock mechanisms and electric sliding door devices through the outer opening pull wire 27. After the emergency unlocking dial plate 19 rotates, it also drives the second gear plate 17 to rotate through the third gear 22, and drives the transmission block 18 to rotate outward through the second gear plate 17. After the transmission block 18 rotates, the card plate driving rod 7 is no longer limited by the transmission block 18, and the card plate 4 has also been disengaged from the pawl 8, so that the card plate 4 can rotate freely. At this time, the vehicle door can be opened, and the manual emergency door opening operation is completed.

[0048] like Figures 7 to 11 、 Figure 17 As shown, when opening the door manually in an emergency or electrically, the pawl 8 needs to be released to allow the card plate 4 to rotate freely. When the pawl 8 is released, the pawl drive rod 10 will drive the first external linkage paddle 24 together with the second external linkage paddle 26 to rotate together, and the external opening wire 27 is pulled by the second external linkage paddle 26 to realize external linkage, so that other safety mechanisms of the car door can be unlocked synchronously and the car door can be opened smoothly. Compared with the traditional solution that requires the central controller to synchronously unlock other mechanisms, the solution of this application can simplify the layout of the car door and improve reliability.

[0049] This device mainly realizes functions such as electric suction, ice breaking, and releasing the pawl 8 through structures such as the bevel portion 601 and the first arc-shaped hole 602 on the first gear plate 6. It has a high degree of integration and does not require the use of multiple motors or multiple linkage solutions. It can reduce the manufacturing cost of the electric door lock, improve overall reliability, and reduce the failure rate.

[0050] In a specific embodiment, a motor 11 is installed in the lower shell 2 of the door lock, and a worm part 12 is provided on the output shaft of the motor 11. The worm part 12 is connected to the first gear plate 6 through a gear set. The motor 11 is the main power source of the electric door lock, and the first gear plate 6 is rotated through gear transmission, thereby realizing different functions.

[0051] Preferably, if Figure 3 As shown, the gear set includes a first gear 13 and a second gear 14. The first gear 13 and the second gear 14 are respectively installed on the door lock lower shell 2 through the third pin 15 and the fourth pin 16. The worm part 12, the first gear 13, the second gear 14, and the first gear plate 6 are meshed and connected in sequence, and the two gears are used to reduce the speed, thereby amplifying the torque of the motor 11, so that there is enough power to achieve scenes that require large torque such as electric suction and ice breaking.

[0052] Preferably, if Figure 3 As shown, a first arc hole 602 is provided on the first gear plate 6, and a second arc hole 201 and a third arc hole 203 are provided on the door lock lower shell 2. The upper end of the card plate driving rod 7 passes through the second arc hole 201 and the first arc hole 602 in sequence, and the pawl driving rod 10 passes through the third arc hole 203. After the card plate 4 and the pawl 8 rotate, the card plate driving rod 7 and the pawl driving rod 10 both move in an arc shape. Therefore, an arc hole is provided on the door lock lower shell 2, and the first arc hole 602 on the first gear plate 6. When unlocking, the first gear plate 6 rotates so that the oblique edge 601 can first push the pawl driving rod 10 to release the pawl 8, and then the end of the first arc hole 602 can be pressed against the card plate driving rod 7, so that the card plate driving rod 7 drives the card plate 4 to move, thereby first releasing the pawl 8 and then pushing the movement control of the car door, so as to smoothly open the car door.

[0053] In a preferred embodiment, Figure 3As shown, a second gear plate 17 and a transmission block 18 are provided on one side of the first arc-shaped hole 602. The shaft portion of the transmission block 18 passes through the first gear plate 6, and the second gear plate 17 is connected to the shaft portion of the transmission block 18. When the first gear plate 6 rotates, the card plate driving rod 7 can move to the first position and the second position relative to the first arc-shaped hole 602. When the card plate driving rod 7 is in the first position, the card plate driving rod 7 presses against one end of the first arc-shaped hole 602, and the pawl driving rod 10 is located at the distal end of the oblique edge portion 601. When the card plate driving rod 7 is in the second position, one side of the transmission block 18 presses against the outer periphery of the card plate driving rod 7. When the door is closed by electric suction, the first gear plate 6 pushes the card plate drive rod 7 to move through the transmission block 18. When manual emergency unlocking is required, the second gear plate 17 is rotated by the emergency unlocking dial plate 19, thereby deflecting the transmission block 18 to release the card plate drive rod 7, so that the card plate drive rod 7 can be rotated, thereby releasing the lock and realizing the opening of the car door. A limiting protrusion is provided on the second gear plate 17. When the door is closed by electric suction, the limiting protrusion presses on the first gear plate 6, inhibiting the rotation tendency of the second gear plate 17 and the transmission block 18, and preventing the transmission block 18 from deflecting and causing the card plate drive rod 7 to loosen when the door is closed by electric suction.

[0054] Preferably, if Figure 3 、 Figure 7 As shown, the door lock upper shell 3 is provided with an emergency unlocking dial plate 19, and the middle part of the emergency unlocking dial plate 19 is connected to the door lock upper shell 3 through the fifth pin shaft 20. One end of the emergency unlocking dial plate 19 has a transmission tooth, and the other end of the emergency unlocking dial plate 19 is connected to the manual pull wire 21. A third gear 22 is provided on the first pin shaft 5. The end of the emergency unlocking dial plate 19 with the transmission tooth is meshed with the second gear plate 17 through the third gear 22. After manually pulling the emergency unlocking dial plate 19, the emergency unlocking dial plate 19 swings, so that the emergency unlocking dial plate 19 drives the second gear plate 17 to rotate through the third gear 22. After rotation, the card plate driving rod 7 is released, so that the card plate driving rod 7 can rotate in the first arc hole 602, thereby releasing the card plate driving rod 7, allowing the card plate 4 to rotate freely, realizing manual emergency door opening.

[0055] The first outer linkage paddle 24 is provided with a long waist hole at one end of the first outer linkage paddle 24, and the pawl driving rod 10 is slidably connected to the first outer linkage paddle 24 through the long waist hole. The other end of the first outer linkage paddle 24 presses against one end of the second outer linkage paddle 26, and the other end of the second outer linkage paddle 26 is connected to the outer opening pull wire 27. When the door is electrically unlocked or ice broken, the first gear plate 6 pushes the pawl driving rod 10. After the pawl driving rod 10 moves, it will drive the first outer linkage paddle 24 and the second outer linkage paddle 26, thereby pulling the outer opening pull wire 27 through the second outer linkage paddle 26 to realize external linkage. When the door is manually unlocked in an emergency, the emergency unlocking dial plate 19 is pulled, which will drive the first outer linkage paddle 24, thereby driving the pawl driving rod 10 through the first outer linkage paddle 24, realizing external linkage and releasing the pawl 8 at the same time.

[0056] In a preferred embodiment, a torsion spring 28 is provided on the first pin 5, the second pin 9, the shaft body of the transmission block 18, and the seventh pin 25, so that the first gear plate 6, the pawl 8, the transmission block 18, and the second outer linkage paddle 26 have the ability to automatically reset and return to their original position after completing the action.

[0057] In a preferred embodiment, Figure 3 As shown, the door lock lower shell 2 is provided with a first signal switch 30, a second signal switch 31, and a third signal switch 32, and an eighth pin 33 is provided on one side of the first gear plate 6. When the first gear plate 6 rotates, the eighth pin 33 sequentially toggles the first signal switch 30 and the second signal switch 31. When the eighth pin 33 toggles the first signal switch 30, the pawl driving rod 10 is located at the near point of the bevel portion 601. After the first gear plate 6 rotates, the eighth pin 33 separates from the first signal switch 30 and toggles the second signal switch 31. At this time, the pawl driving rod 10 is located at the far point of the bevel portion 601, indicating that the pawl 8 has been released. The position of the first gear plate 6 is obtained from the circuit conductivity through the first signal switch 30 and the second signal switch 31. When the emergency unlocking dial plate 19 is pulled, one side of the emergency unlocking dial plate 19 presses on the third signal switch 32. During emergency unlocking, the unlocking signal is fed back through the third signal switch 32.

[0058] In a specific embodiment, Figure 4 、 Figure 14 、 Figure 15 、 Figure 16As shown, the door lock lower shell 2 is provided with a fourth signal switch 34, a fifth signal switch 35, and a sixth signal switch 36, and the card plate 4 is provided with multiple protrusions. When the card plate 4 is in the fully open state, the semi-locked state, and the fully locked state, the protrusions are in contact with the fourth signal switch 34, the fifth signal switch 35, and the sixth signal switch 36, respectively, so that the position of the card plate 4 is fed back to the outside through the fourth signal switch 34, the fifth signal switch 35, and the sixth signal switch 36, so that the vehicle system can monitor the vehicle condition.

[0059] Of course, the present invention may have many other implementations. Based on this implementation, other implementations obtained by ordinary technicians in this field without making any creative work are all within the scope of protection of the present invention.

Claims

1. A multifunctional automobile electric door lock, characterized in that: include: Door lock base plate (1), card plate (4), first gear plate (6), ratchet (8), The door lock base plate (1) is fixedly mounted on a vehicle door, a door lock lower shell (2) and a door lock upper shell (3) are mounted on the door lock base plate (1), the door lock lower shell (2) is connected to the door lock base plate (1), and the door lock upper shell (3) is mounted on the upper part of the door lock lower shell (2); The card plate (4) is installed in the cavity between the door lock lower shell (2) and the door lock bottom plate (1) through the first pin shaft (5); the first gear plate (6) is installed in the cavity between the door lock lower shell (2) and the door lock upper shell (3) through the first pin shaft (5); a card plate driving rod (7) is provided on the card plate (4); the lower end of the card plate driving rod (7) is fixedly installed on the card plate (4); the upper end of the card plate driving rod (7) passes through the door lock lower shell (2) and the first gear plate (6) in sequence; One end of the pawl (8) is hingedly mounted in a cavity between the door lock lower shell (2) and the door lock bottom plate (1) through a second pin shaft (9), and the other end of the pawl (8) is pressed against one side of the card plate (4). A pawl driving rod (10) is provided on the pawl (8), the lower end of the pawl driving rod (10) is fixedly mounted on the pawl (8), and the upper end of the pawl driving rod (10) passes through the door lock lower shell (2); The outer periphery of the first gear plate (6) is provided with a bevel portion (601), and after the first gear plate (6) rotates, the bevel portion (601) presses against the upper portion of the ratchet driving rod (10).

2. A multifunctional automobile electric door lock according to claim 1, characterized in that: A motor (11) is installed in the door lock lower shell (2), and a worm part (12) is provided on the output shaft of the motor (11). The worm part (12) is connected to the first gear plate (6) through a gear set.

3. A multifunctional automobile electric door lock according to claim 2, characterized in that: The gear set comprises a first gear (13) and a second gear (14), the first gear (13) and the second gear (14) being mounted on the door lock lower housing (2) via a third pin shaft (15) and a fourth pin shaft (16), respectively; the worm portion (12), the first gear (13), the second gear (14), and the first gear plate (6) are meshed and connected in sequence.

4. The multifunctional electric door lock for automobile according to claim 1, characterized in that: The first gear plate (6) is provided with a first arc-shaped hole (602), the door lock lower shell (2) is provided with a second arc-shaped hole (201) and a third arc-shaped hole (203), the upper end of the card plate driving rod (7) passes through the second arc-shaped hole (201) and the first arc-shaped hole (602) in sequence, and the ratchet driving rod (10) passes through the third arc-shaped hole (203).

5. A multifunctional automobile electric door lock according to claim 4, characterized in that: A second gear plate (17) and a transmission block (18) are provided on one side of the first arc-shaped hole (602). The shaft portion of the transmission block (18) passes through the first gear plate (6), and the second gear plate (17) is connected to the shaft portion of the transmission block (18). When the first gear plate (6) rotates, the card plate driving rod (7) can move to a first position and a second position relative to the first arc-shaped hole (602). When the card plate driving rod (7) is located at the first position, the card plate driving rod (7) presses against one end of the first arc-shaped hole (602), and the pawl driving rod (10) is located at the far end of the oblique edge portion (601). When the card plate driving rod (7) is located at the second position, one side of the transmission block (18) presses against the outer periphery of the card plate driving rod (7).

6. A multifunctional automobile electric door lock according to claim 5, characterized in that: The door lock upper shell (3) is provided with an emergency unlocking dial plate (19), the middle part of the emergency unlocking dial plate (19) is connected to the door lock upper shell (3) through a fifth pin shaft (20), one end of the emergency unlocking dial plate (19) is provided with a transmission tooth, and the other end of the emergency unlocking dial plate (19) is connected to a manual pull wire (21), the first pin shaft (5) is provided with a third gear (22), and the end of the emergency unlocking dial plate (19) with the transmission tooth is meshed and connected with the second gear plate (17) through the third gear (22).

7. The multifunctional electric door lock for automobile according to claim 6, characterized in that: A first external linkage paddle (24) is mounted on the door lock upper shell (3) via a sixth pin shaft (23), and a second external linkage paddle (26) is mounted on the door lock bottom plate (1) via a seventh pin shaft (25). One end of the first external linkage paddle (24) is provided with a long waist hole, and the ratchet driving rod (10) is slidably connected to the first external linkage paddle (24) via the long waist hole. One side of the emergency unlocking paddle (19) presses against the side of the first external linkage paddle (24), and the other end of the first external linkage paddle (24) presses against one end of the second external linkage paddle (26), and the other end of the second external linkage paddle (26) is connected to the external opening pull wire (27).

8. The multifunctional electric door lock for automobile according to claim 7, characterized in that: The first pin shaft (5), the second pin shaft (9), the shaft body of the transmission block (18), and the seventh pin shaft (25) are all provided with a torsion spring (28).

9. The multifunctional electric door lock for automobile according to claim 5, characterized in that: The door lock lower shell (2) is provided with a first signal switch (30), a second signal switch (31), and a third signal switch (32); an eighth pin shaft (33) is provided on one side of the first gear plate (6); when the first gear plate (6) rotates, the eighth pin shaft (33) sequentially toggles the first signal switch (30) and the second signal switch (31); when the emergency unlocking dial plate (19) is pulled, one side of the emergency unlocking dial plate (19) presses on the third signal switch (32).

10. The multifunctional electric door lock for automobile according to claim 1, characterized in that: The door lock lower shell (2) is provided with a fourth signal switch (34), a fifth signal switch (35), and a sixth signal switch (36); the card plate (4) is provided with a plurality of protrusions; when the card plate (4) is in a fully open state, a half-locked state, and a fully locked state, the protrusions are in contact with the fourth signal switch (34), the fifth signal switch (35), and the sixth signal switch (36), respectively.

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