Inward-opening and inward-closing transmission structure of vehicle door inner handle

Abstract

The utility model discloses an internal opening and internal closing transmission structure of a vehicle door internal handle, which comprises an internal opening connecting arm and a mounting seat plate provided with an internal door handle, an internal opening arm and a retaining lock opening arm are rotatably arranged on the mounting seat plate, the internal opening arm is connected with a front lock and a rear lock, and the retaining lock opening arm is connected with a retaining lock. The inner door handle is in transmission connection with the keeping lock opening arm through the inward opening connecting arm, and the inner opening arm is in transmission connection with the inward opening connecting arm through the transmission assembly. The keeping lock opening arm is provided with an avoiding groove, the inward opening connecting arm is provided with a first protruding column, and the first protruding column is movably arranged in the avoiding groove. The automobile door locking and unlocking device has the effects that the automobile door can be unlocked or locked by linkage of the inward opening connecting arm and the linkage maintaining lock opening arm, and the assembly structure among a plurality of parts is more compact.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to an inner opening and inner closing transmission structure of an inner door handle. Background Art

[0002] The existing Chinese patent with the announcement number CN206128910U discloses a push rod type inner opening secondary opening mechanism for automobile door locks, wherein the push rod type inner opening secondary opening mechanism is installed in the door lock housing, and the push rod type inner opening secondary opening mechanism includes a bracket, an inner locking arm, an inner opening arm, an outer opening arm and a locking push rod, wherein the inner locking arm rotates around the inner locking arm shaft installed on the door lock housing, and the inner opening arm rotates around the inner opening arm shaft installed on the door lock housing, and the inner opening arm torsion spring is provided on the inner opening arm shaft to enable the inner opening arm to return to its original position after rotation; the outer opening arm rotates around the inner locking arm shaft installed on the door lock housing, and the inner opening arm rotates around the inner locking arm shaft installed on the door lock housing, and the inner opening arm torsion spring is provided on the inner opening arm shaft to enable the inner opening arm to return to its original position after rotation; the outer opening arm rotates around the inner locking arm shaft installed on the door lock housing, and the inner opening arm rotates around the inner locking arm shaft installed on the door lock housing, and the inner opening arm torsion spring is provided on the inner opening arm shaft to enable the inner opening arm to return to its original position after rotation; the inner ... The lock mechanism is configured to move the outer locking arm and the inner locking arm together so that the door can be unlocked and the door can be unlocked when the cam is in unlock state.

[0003] However, the above-mentioned push rod type inner opening secondary opening mechanism of the automobile door lock has the following disadvantages: the opening mechanism needs to realize the unlocking function by pulling the inner handle for the first time, and realize the purpose of secondary opening of the interior of the car door by pulling the inner handle for the second time, but the linkage between the inner door handle and the inner opening arm and the outer opening arm is not strong enough, resulting in the overall structure being not compact enough, which urgently needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide an inner opening and inner closing transmission structure for an inner door handle, which can unlock or lock the door through the linkage of the inner opening connecting arm and the lock opening arm, and the assembly structure between multiple parts is more compact.

[0005] The above technical objectives of the present utility model are achieved through the following technical solutions: a transmission structure for inner opening and inner closing of an inner door handle, comprising an inner opening connecting arm and a mounting base plate provided with an inner door handle, an inner opening arm and a retaining lock opening arm being rotatably provided on the mounting base plate, the inner opening arm connecting a front lock and a rear lock, the retaining lock opening arm connecting a retaining lock, the inner door handle being transmission-connected to the retaining lock opening arm via the inner opening connecting arm, and the inner opening arm being transmission-connected to the inner opening connecting arm via a transmission assembly;

[0006] The lock-keeping opening arm is provided with an avoidance groove, and the inner opening connecting arm is provided with a first boss, and the first boss is movably arranged in the avoidance groove; when the inner door handle is rotated in a first direction, the lock-keeping opening arm cooperates with the first boss stop, and the inner opening connecting arm pushes the lock-keeping opening arm to rotate in the direction of unlocking the lock through the first boss; when the inner door handle is rotated in a second direction, the lock-keeping opening arm cooperates with the first boss through the avoidance groove, and the inner door handle drives the inner opening connecting arm to move, and the inner opening connecting arm drives the inner opening arm to rotate in the direction of unlocking the car door through the transmission structure.

[0007] By adopting the above technical solution, the holding lock is used to lock and hold the vehicle door in the fully open state, preventing the vehicle door from accidentally sliding and causing injury when it is opened. The front lock and the rear lock are used to lock the front and rear doors in the fully closed state. When the vehicle door needs to be switched from the fully open state to the closed state from the inside of the vehicle body, the holding lock needs to be unlocked first. At this time, the driver and the passenger can rotate the inner door handle in the first direction from the inside of the vehicle body, driving the first protrusion of the inner opening connecting arm to push the holding lock opening arm to rotate in the unlocking direction, thereby pulling the holding lock to unlock, thereby unlocking the vehicle door holding lock, and then sliding the door into position inside the vehicle body while maintaining the holding lock unlocked, thereby realizing the inner closing process of the inner door handle; when the vehicle door needs to be switched from the fully closed state to the closed state from the inside of the vehicle body When the vehicle door in the state is switched to the open state, the vehicle door is kept locked by the front lock and the rear lock arranged in the vehicle body, and the lock is kept in the unlocked state. The front lock and the rear lock need to be unlocked first. The driver and the passenger can rotate the inner door handle in the second direction, driving the inner opening connecting arm to pull the inner opening arm to rotate in the unlocking direction through the transmission component, thereby unlocking the front lock and the rear lock. In this process, the first protrusion and the lock-keeping opening arm are avoided and cooperated through the avoidance groove, and the lock will not move. Then the driver and the passenger can slide the position of the vehicle door on the seat in the vehicle to realize the inner opening process of the vehicle door handle, so that the utility model has the effect of unlocking or locking the vehicle door through the inner opening connecting arm linking the lock-keeping opening arm, and the assembly structure between multiple components is more compact.

[0008] The present invention is further configured as follows: a rotating connection portion is provided at one end of the inward-opening connecting arm away from the first protruding column, the inner door handle is provided with a mounting groove corresponding to the rotating connection portion, and the rotating connection portion is rotatably mounted in the mounting groove.

[0009] By adopting the above technical solution, one end of the inward-opening connecting arm is rotatably connected to the mounting groove of the inner door handle, which facilitates the assembly between the inner door handle and the inward-opening connecting arm, and also prevents the inner door handle from getting stuck with the inward-opening connecting arm when rotating.

[0010] A further setting of the present utility model is that: the transmission assembly includes an inward-opening opening arm and an inward-opening conversion arm rotatably mounted on the mounting seat plate. The inward-opening connecting arm is provided with a second convex column on the back of the first convex column. The inward-opening connecting arm is rotatably connected to the inward-opening opening arm through the second convex column, and the inward-opening opening arm is drivingly connected to the internal opening arm through the inward-opening conversion arm.

[0011] By adopting the above technical solution, the end of the inward-opening connecting arm is rotatably connected to the inward-opening conversion arm through the second convex column. The rotational connection method is beneficial to prevent the inward-opening connecting arm from jamming when pulling the inward-opening conversion arm to rotate.

[0012] A further setting of the present utility model is that: a return torsion spring is provided between the holding lock opening arm and the inward-opening conversion arm, and the return torsion spring always has a tendency to drive the holding lock opening arm and the inward-opening conversion arm to rotate in opposite directions.

[0013] By adopting the above technical solution, when it is necessary to slide the door left and right from the half-open hovering state, the driver or passenger controls the inner door handle to rotate in the first direction, uses the inward-opening connecting arm to push the holding lock opening arm to rotate and open the holding lock, and then can pull the door to adjust the position of the door. When the door is slid left and right to the predetermined position, the pulling force on the inner door handle is released. At this time, the elastic force of the return torsion spring is used to reset the holding lock opening arm to the locked state, realizing the locking of the door by the holding lock.

[0014] A further setting of the present utility model is that: the inward-opening conversion arm is provided with a first track groove, a first clutch member is slidably arranged in the first track groove, the inward-opening opening arm includes a pushing portion corresponding to the first clutch member, and a driving structure is arranged on the mounting seat plate. The driving structure drives the first clutch member to slide in the first track groove, so that the first clutch member and the pushing portion are switched between a stop state and an avoidance state.

[0015] By adopting the above technical solution, the position transformation of the first clutch member in the first track groove is utilized to make the first clutch member and the pushing portion in a state of mutual stop or avoidance, so that the inward-opening opening arm and the inward-opening conversion arm are in corresponding linkage states and linkage failure states.

[0016] A further setting of the present utility model is that: the driving structure includes an operating arm rotatably arranged on the mounting seat plate. One end of the operating arm is provided with a first guiding groove corresponding to the first clutch member, and one end of the first clutch member passes through the first guiding groove and is guidingly matched with it.

[0017] By adopting the above technical solution, when the operating arm rotates, it can drive the first clutch member to change its position in the first track groove.

[0018] The present invention is further configured as follows: the internal opening arm is provided with a second track groove, the internal opening conversion arm is provided with a connected third track groove and an idle stroke groove, and the second track groove corresponds to the third track groove, a second clutch is slidably provided in the second track groove, one end of the second clutch is passed through the third track groove or the idle stroke groove, an electric drive device is provided on the mounting seat plate for driving the second clutch to slide, and the electric drive device is used to drive the second clutch to switch between the third track groove and the idle stroke groove, when the second clutch is in the third track groove, the internal opening conversion arm can drive the internal opening arm to rotate synchronously through the second clutch, and when the second clutch is in the idle stroke groove, the second clutch and the idle stroke groove avoid and cooperate.

[0019] By adopting the above technical solution, the electric drive device is used to drive the second clutch member to change its position along the second track groove. When the upper end of the second clutch member is in the third track groove, the inner opening conversion arm and the internal opening arm are in a linkage state. When the upper end of the second clutch member is out of the third track groove and is in the idle stroke groove, the inner opening conversion arm and the internal opening arm are in a linkage failure state. At this time, under the avoidance cooperation of the idle stroke groove and the second clutch member, even if the inner opening conversion arm rotates, it will not drive the internal opening arm to rotate.

[0020] The present invention is further configured as follows: the electric drive device includes a locker and a linkage arm rotatably connected to the mounting base plate; the output end of the locker is provided with a driving rod; the linkage arm includes a driving end and an execution end; the driving end of the linkage arm is transmission-connected to the driving rod; and the execution end of the linkage arm is transmission-connected to the second clutch member.

[0021] By adopting the above technical solution, the locking device can electrically drive the driving rod to rotate, and drive the execution end of the linkage arm to rotate synchronously through the driving end, so that the second clutch member changes position in the second track groove.

[0022] The utility model is further configured as follows: a sliding member is slidably provided on the mounting seat plate, the sliding member includes a sliding portion and a light rod portion, the driving end of the linkage arm is provided with a second guide groove corresponding to the light rod portion, the light rod portion is inserted into the second guide groove and cooperates with the guide.

[0023] By adopting the above technical solution, when the sliding part slides along the mounting base plate, it will drive the polished rod part to slide synchronously, and the polished rod part will then drive the linkage arm to rotate through the guidance cooperation with the second guide groove.

[0024] The utility model is further configured as follows: the inner door handle includes a connecting rod portion rotatably connected to the inner opening connecting arm, a micro switch is provided on the mounting seat plate, the micro switch is controlled and coordinated with the inner opening arm through an electric opening drive control module, the connecting rod portion is pressed and coordinated with the micro switch, and the inner opening arm is controlled to rotate in the unlocking direction through the electric opening drive control module.

[0025] By adopting the above technical solution, when the driver or passengers pull the inner door handle at a small angle, the connecting rod of the inner door handle presses the micro switch, and the micro switch links the electric opening drive control module to control the electric opening of the inner opening arm. When the vehicle is out of power, the driver and passengers can pull the inner door handle at a large angle and realize the mechanical opening of the front lock and rear lock through the inner opening connecting arm, inner opening arm, inner opening conversion arm and inner opening arm.

[0026] In summary, the present invention has the following beneficial effects:

[0027] The inner door handle is rotated in the first direction from the inside of the vehicle body, driving the first protrusion of the inner opening connecting arm to push the lock opening arm to rotate in the unlocking direction, thereby pulling the lock to unlock, thereby unlocking the door lock. Then the driver and passenger can slide the door on the seat in the car to realize the inward opening process of the door handle, which has the effect of unlocking or unlocking the door through the linkage of the inner opening connecting arm with the lock opening arm, and making the assembly structure between multiple components more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is the structural diagram of the present utility model.

[0029] Figure 2 It is the structural diagram of the present utility model, and the mounting seat plate is not shown.

[0030] Figure 3 It is the present utility model Figure 2 A view from another perspective.

[0031] Figure 4 It is the exploded view of the present utility model, in which the inner door handle, the latch and the mounting seat plate are not shown.

[0032] Figure 5 It is the structural diagram of the inner-opening connecting arm of the present utility model.

[0033] Figure 6 It is the structural diagram of the transfer mechanism of the present utility model.

[0034] In the figure: 1. Mounting seat plate; 11. Inner door handle; 11a. Mounting groove; 111. Link part; 12. Return torsion spring; 13. Operating arm; 13a. First guiding groove; 14. Sliding part; 141. Sliding portion; 142. Smooth rod part; 15. Microswitch; 2. Inner-opening connecting arm; 20. Rotating connecting part; 21. First convex column; 22. Second convex column; 3. Inner-opening arm; 3a. Second track groove; 4. Keep-lock-opening arm; 4a. Avoidance groove; 5. Inner-opening opening arm; 51. Pushing part; 6. Inner-opening conversion arm; 6a. First track groove; 6b. Third track groove; 6c. Dead-travel groove; 71. First clutch part; 72. Second clutch part; 8. Electric drive device; 81. Latch; 811. Driving rod; 82. Linkage arm; 821. Driving end; 821a. Second guiding groove; 822. Execution end. Specific embodiments

[0035] The present utility model will be further described below with reference to the accompanying drawings.

[0036] An inboard opening and inboard closing transmission structure of a vehicle door inner handle, as Figures 1-4As shown, it includes a mounting base plate 1 provided with an inner opening connecting arm 2 and an inner door handle 11. The vehicle door inner opening process described in this embodiment refers to the inner opening of the vehicle door achieved by operating the inner door handle, and the vehicle door inner closing process refers to the inner closing of the vehicle door achieved by operating the inner door handle. An inner opening arm 3 and a lock-keeping opening arm 4 are rotatably provided on the mounting base plate 1. The inner opening arm 3 connects the front lock and the rear lock, wherein the front lock is used to lock the front of the vehicle door when the vehicle door is fully closed, and the rear lock is used to lock the rear of the vehicle door when the vehicle door is fully opened. The lock-keeping opening arm 4 is connected to the lock, and the inner door handle 11 is connected to the lock-keeping opening arm 4 through the inner opening connecting arm 2. The inner opening arm 3 is connected to the inner opening connecting arm 2 through a transmission assembly; the lock-keeping opening arm 4 is provided with an avoidance groove 4a, and the inner opening connecting arm 2 is provided with a first boss 21, and the first boss 21 is movably arranged in the avoidance groove 4a; when the inner door handle 11 is rotated in a first direction, the lock-keeping opening arm 4 is matched with the first boss 21 to stop, and the inner opening connecting arm 2 pushes the lock-keeping opening arm 4 to rotate in the direction of unlocking the lock through the first boss 21; when the inner door handle 11 is rotated in a second direction, the lock-keeping opening arm 4 is matched with the first boss 21 to avoid the avoidance groove 4a, and the inner door handle 11 drives the inner opening connecting arm 2 to move, and the inner opening connecting arm 2 is driven by the transmission assembly. The structure drives the inner opening arm 3 to rotate in the direction of unlocking the vehicle door; a rotating connecting portion 20 is provided at one end of the inner opening connecting arm 2 away from the first protrusion 21, and the inner door handle 11 is provided with a mounting groove 11a corresponding to the rotating connecting portion 20. The rotating connecting portion 20 is rotatably installed in the mounting groove 11a, so that one end of the inner opening connecting arm 2 is rotatably connected to the mounting groove 11a of the inner door handle 11, which is convenient for assembly between the inner door handle 11 and the inner opening connecting arm 2, and can also prevent the inner door handle 11 from getting stuck with the inner opening connecting arm 2 when rotating; the inner door handle 11 includes a connecting rod portion 111 rotatably connected to the inner opening connecting arm 2, and a micro-rotation is provided on the mounting base plate 1. The microswitch 15 is controlled by the electric opening drive control module and the internal opening arm 3. The connecting rod 111 is pressed and matched with the microswitch 15, and the internal opening arm 3 is controlled to rotate in the unlocking direction by the electric opening drive control module. When the driver and passenger pulls the inner door handle 11 at a small angle, the connecting rod 111 of the inner door handle 11 presses the microswitch 15, and the microswitch 15 links the electric opening drive control module to control the internal opening arm 3 to open electrically. When the vehicle is out of power, the driver and passenger can pull the inner door handle 11 at a large angle, and realize the mechanical opening of the front lock and the rear lock through the inner opening connecting arm 2, the inner opening arm 5, the inner opening conversion arm 6 and the inner opening arm 3.

[0037] like Figures 1-2 and Figure 5As shown, the transmission assembly includes an inboard opening arm 5 and an inboard conversion arm 6 rotatably arranged on the mounting seat plate 1. The inboard connecting arm 2 is coaxially provided with a second convex column 22 on the back of the first convex column 21. The inboard connecting arm 2 is rotatably connected to the inboard opening arm 5 through the second convex column 22. The inboard opening arm 5 is drivingly connected to the internal opening arm 3 through the inboard conversion arm 6. And the rotation center of the second convex column 22 is offset from the rotation center of the inboard conversion arm 6. The inboard opening arm 5 is drivingly connected to the inboard conversion arm 6, so that the end of the inboard connecting arm 2 is rotatably connected between the second convex column 22 and the inboard conversion arm 6. This rotational connection is beneficial to prevent the inboard connecting arm 2 from jamming when pulling the inboard conversion arm 6 to rotate; A return torsion spring 12 is provided between the holding lock opening arm 4 and the inboard conversion arm 6. The return torsion spring 12 always has a tendency to drive the holding lock opening arm 4 and the inboard conversion arm 6 to rotate in opposite directions. When it is necessary to slide the door left and right from the half-open hovering state, the driver or passenger controls the inboard door handle 11 to rotate in the first direction, uses the inboard connecting arm 2 to push the holding lock opening arm 4 to rotate and open the holding lock, and then can pull the door to adjust the position of the door. When the door is slid left and right to the predetermined position, the pulling force on the inboard door handle 11 is released. At this time, the elastic force of the return torsion spring 12 is used to reset the holding lock opening arm 4 to the locked state, realizing the locking of the door by the holding lock; The inboard conversion arm 6 is provided with a first track groove 6a. A first clutch member 71 is slidably arranged in the first track groove 6a. The inboard opening arm 5 includes a pushing portion 51 corresponding to the first clutch member 71. A driving structure is provided on the mounting seat plate 1. The driving structure drives the first clutch member 71 to slide in the first track groove 6a, so that the first clutch member 71 and the pushing portion 51 are switched between a blocking state and an avoiding state. By using the position change of the first clutch member 71 in the first track groove 6a, the first clutch member 71 and the pushing portion 51 are in a state of mutual blocking or avoidance, so that the inboard opening arm 5 and the inboard conversion arm 6 are in corresponding linkage states and linkage failure states; The driving structure includes an operating arm 13 rotatably arranged on the mounting seat plate 1. One end of the operating arm 13 is provided with a first guiding groove 13a corresponding to the first clutch member 71. One end of the first clutch member 71 passes through the first guiding groove 13a and is guidingly matched with it, so that when the operating arm 13 rotates, it can drive the first clutch member 71 to change its position in the first track groove 6a.

[0038] As Figures 1-4 and Figure 6As shown, the inner opening arm 3 is provided with a second track groove 3a, and the inner opening conversion arm 6 is provided with a third track groove 6b and a dead travel groove 6c that communicate with each other. The second track groove 3a corresponds to the third track groove 6b. A second clutch member 72 is slidably disposed in the second track groove 3a. One end of the second clutch member 72 passes through the third track groove 6b or the dead travel groove 6c. An electric drive device 8 for driving the second clutch member 72 to slide is provided on the mounting seat plate 1. The electric drive device 8 is used to drive the second clutch member 72 to switch between the third track groove 6b and the dead travel groove 6c. When the second clutch member 72 is in the third track groove 6b, the inner opening conversion arm 6 can drive the inner opening arm 3 to rotate synchronously through the second clutch member 72. When the second clutch member 72 is in the dead travel groove 6c, the second clutch member 72 and the dead travel groove 6c are in avoidance cooperation. The electric drive device 8 is used to drive the second clutch member 72 to change its position along the second track groove 3a. When the upper end of the second clutch member 72 is in the third track groove 6b, the inner opening conversion arm 6 and the inner opening arm 3 are in a linkage state. When the upper end of the second clutch member 72 disengages from the third track groove 6b and is in the dead travel groove 6c, the inner opening conversion arm 6 and the inner opening arm 3 are in a linkage failure state. At this time, under the avoidance cooperation of the dead travel groove 6c and the second clutch member 72, even if the inner opening conversion arm 6 rotates, it will not drive the inner opening arm 3 to rotate. The electric drive device 8 includes a latch 81 and a linkage arm 82 rotatably connected to the mounting seat plate 1. The output end of the latch 81 is provided with a drive rod 811. The linkage arm 82 includes a drive end 821 and an execution end 822. The drive end 821 of the linkage arm 82 is in transmission connection with the drive rod 811, and the execution end 822 of the linkage arm 82 is in transmission connection with the second clutch member 72. The latch 81 can electrically drive the drive rod 811 to rotate and drive the execution end 822 of the linkage arm 82 to rotate synchronously through the drive end 821, so that the second clutch member 72 changes its position in the second track groove 3a. A sliding member 14 is slidably disposed on the mounting seat plate 1. The sliding member 14 includes a sliding portion 141 and a smooth rod portion 142. The drive end 821 of the linkage arm 82 is provided with a second guide groove 821a corresponding to the smooth rod portion 142. The smooth rod portion 142 passes through the second guide groove 821a and is in guiding cooperation with it. When the sliding portion 141 slides along the mounting seat plate 1, it will drive the smooth rod portion 142 to slide synchronously. The smooth rod portion 142 then drives the linkage arm 82 to rotate through the guiding cooperation with the second guide groove 821a.

[0039] The basic working principle of the present invention is as follows: an inner opening arm 3, a lock holding arm 4, an inner opening arm 5 and an inner opening conversion arm 6 are rotatably arranged on a mounting base plate 1 on which an inner door handle 11 is installed, and the inner door handle 11 is connected to the inner inner opening arm 5 by means of an inner opening connecting arm 2, the inner opening connecting arm 2 is provided with a first protrusion 21, and the lock holding arm 4 is provided with an avoidance groove 4a corresponding to the first protrusion 21, and the lock holding arm is used to lock and maintain the vehicle door in a fully open state to prevent the vehicle door from accidentally sliding and causing pinching when it is opened. The front lock and the rear lock are used to lock the front and rear of the vehicle door in a fully closed state. When it is necessary to switch the vehicle door from a fully open state to a closed state from the inside of the vehicle body, the lock holding arm needs to be unlocked first. At this time, the driver and the passenger can rotate the inner door handle 11 in a first direction from the inside of the vehicle body, driving the first protrusion 21 of the inner opening connecting arm 2 to push the lock holding arm 4 to rotate in the unlocking direction, thereby pulling the lock holding arm to unlock, thereby achieving The door is kept unlocked, and then the door is slid into position inside the vehicle body while maintaining the unlocked state, thereby completing the inner closing process of the door handle; when the door in the fully closed state needs to be switched to the open state, the door is kept locked by the front lock and rear lock arranged in the vehicle body, and the lock is kept in the unlocked state. The front lock and rear lock need to be unlocked first, and the driver and passenger can rotate the inner door handle 11 in the second direction, driving the inner opening connecting arm 2 to pull the inner opening arm 3 in the unlocking direction through the transmission component, thereby achieving the unlocking of the front lock and the rear lock. In this process, the first protrusion 21 and the lock opening arm 4 are avoided and cooperated through the avoidance groove 4a, and the lock will not move. Then the driver and passenger can slide the door on the seat in the vehicle to complete the inner closing process of the door handle, which has the effect of unlocking or locking the door through the inner opening connecting arm 2 linked to the lock opening arm 4, and the assembly structure between multiple components is more compact.

[0040] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. An interior opening and closing transmission structure of an interior door handle, characterized in that: The invention comprises an inner opening connecting arm (2) and a mounting base plate (1) provided with an inner door handle (11); an inner opening arm (3) and a lock-holding opening arm (4) are rotatably provided on the mounting base plate (1); the inner opening arm (3) connects the front lock and the rear lock; the lock-holding opening arm (4) connects the lock; the inner door handle (11) is connected to the lock-holding opening arm (4) by transmission through the inner opening connecting arm (2); and the inner opening arm (3) is connected to the inner opening connecting arm (2) by transmission through a transmission assembly; The lock-keeping opening arm (4) is provided with an avoidance groove (4a), and the inner opening connecting arm (2) is provided with a first protrusion (21), and the first protrusion (21) is movably arranged in the avoidance groove (4a); when the inner door handle (11) rotates in a first direction, the lock-keeping opening arm (4) and the first protrusion (21) are stopped and matched, and the inner opening connecting arm (2) pushes the lock-keeping opening arm (4) to rotate in the direction of unlocking the lock through the first protrusion (21); when the inner door handle (11) rotates in a second direction, the lock-keeping opening arm (4) and the first protrusion (21) are avoided and matched through the avoidance groove (4a), and the inner door handle (11) drives the inner opening connecting arm (2) to move, and the inner opening connecting arm (2) drives the inner opening arm (3) to rotate in the direction of unlocking the vehicle door through the transmission structure.

2. The interior opening and closing transmission structure of an interior door handle according to claim 1, characterized in that: The end of the inner opening connecting arm (2) away from the first convex column (21) is provided with a rotating connecting portion (20), and the inner door handle (11) is provided with a mounting groove (11a) corresponding to the rotating connecting portion (20), and the rotating connecting portion (20) is rotatably mounted in the mounting groove (11a).

3. The internal opening and closing transmission structure of an inner door handle according to claim 1, characterized in that: The transmission assembly comprises an inner opening opening arm (5) and an inner opening conversion arm (6) rotatably mounted on the mounting base plate (1); the inner opening connecting arm (2) is provided with a second convex column (22) on the back side of the first convex column (21); the inner opening connecting arm (2) is rotatably connected to the inner opening arm (5) via the second convex column (22); and the inner opening arm (5) is transmission-connected to the inner opening arm (3) via the inner opening conversion arm (6).

4. The in - opening and in - closing transmission structure of an inner door handle according to claim 3, characterized in that: A return torsion spring (12) is provided between the lock-maintaining opening arm (4) and the inner opening conversion arm (6), and the return torsion spring (12) always has a movement tendency to drive the lock-maintaining opening arm (4) and the inner opening conversion arm (6) to rotate in opposite directions.

5. The in - opening and in - closing transmission structure of an inner door handle according to claim 3, characterized in that: The inner opening conversion arm (6) is provided with a first track groove (6a), a first clutch member (71) is slidably provided in the first track groove (6a), the inner opening opening arm (5) includes a pushing portion (51) arranged corresponding to the first clutch member (71), and a driving structure is provided on the mounting seat plate (1), the driving structure drives the first clutch member (71) to slide in the first track groove (6a), so that the first clutch member (71) and the pushing portion (51) are switched between a stop state and an avoidance state.

6. The inside opening and inside closing transmission structure of an inside door handle according to claim 5, characterized in that: The driving structure includes an operating arm (13) rotatably arranged on the mounting seat plate (1). One end of the operating arm (13) is provided with a first guiding groove (13a) corresponding to the first clutch member (71). One end of the first clutch member (71) passes through the first guiding groove (13a) and is in guiding cooperation with it.

7. The internal opening and closing transmission structure of an inner door handle according to claim 3, characterized in that: The internal opening arm (3) is provided with a second track groove (3a). The internal opening conversion arm (6) is provided with a third track groove (6b) and a dead - travel groove (6c) that are communicated with each other. The second track groove (3a) corresponds to the third track groove (6b). A second clutch member (72) is slidably arranged in the second track groove (3a). One end of the second clutch member (72) passes through the third track groove (6b) or the dead - travel groove (6c). An electric drive device (8) for driving the second clutch member (72) to slide is arranged on the mounting seat plate (1). The electric drive device (8) is used to drive the second clutch member (72) to switch between the third track groove (6b) and the dead - travel groove (6c). When the second clutch member (72) is in the third track groove (6b), the internal opening conversion arm (6) can drive the internal opening arm (3) to rotate synchronously through the second clutch member (72). When the second clutch member (72) is in the dead - travel groove (6c), the second clutch member (72) is in avoidance cooperation with the dead - travel groove (6c).

8. The internal opening and closing transmission structure of an interior door handle according to claim 7, characterized in that: The electric drive device (8) includes a lock actuator (81) and a linkage arm (82) rotatably connected to the mounting seat plate (1). The output end of the lock actuator (81) is provided with a drive rod (811). The linkage arm (82) includes a drive end (821) and an execution end (822). The drive end (821) of the linkage arm (82) is in transmission connection with the drive rod (811). The execution end (822) of the linkage arm (82) is in transmission connection with the second clutch member (72).

9. The internal opening and closing transmission structure of an inner door handle according to claim 8, characterized in that: A sliding member (14) is slidably arranged on the mounting seat plate (1). The sliding member (14) includes a sliding portion (141) and a smooth rod portion (142). The drive end (821) of the linkage arm (82) is provided with a second guiding groove (821a) corresponding to the smooth rod portion (142). The smooth rod portion (142) passes through the second guiding groove (821a) and is in guiding cooperation with it.

10. The in - opening and in - closing transmission structure of an inner door handle according to claim 1, characterized in that: The internal door handle (11) includes a connecting rod portion (111) rotatably connected to the internal opening connecting arm (2). A micro - switch (15) is arranged on the mounting seat plate (1). The micro - switch (15) is in control cooperation with the internal opening arm (3) through an electric opening drive control module. The connecting rod portion (111) is in pressing cooperation with the micro - switch (15) and controls the internal opening arm (3) to rotate in the unlocking direction through the electric opening drive control module.

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