Electric door handle assembly and automobile

Abstract

The electric door handle assembly comprises a handle and further comprises a base, a main rotating arm, an auxiliary rotating arm assembly and a connecting rod, and the main rotating arm, the auxiliary rotating arm assembly and the connecting rod are installed in the base. One end of the main rotating arm and one end of the auxiliary rotating arm assembly are rotationally connected to the base, the other end of the main rotating arm is rotationally connected with one end of the handle, the other end of the auxiliary rotating arm assembly is rotationally connected with the other end of the handle, and the main rotating arm, the auxiliary rotating arm assembly and the connecting rod form a parallelogram-shaped connecting rod mechanism. The actuator drives the main rotating arm and drives the handle to stretch out of or retract into the base through the connecting rod mechanism. The push force of the front end and the rear end of the handle is equal, the handle is pushed out in parallel, and the extending process of the front end and the rear end of the handle is more harmonious.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to an electric door handle assembly and an automobile. Background Art

[0002] The traditional door handle structure protrudes from the door sheet metal surface, which affects the appearance of the vehicle body, increases the drag coefficient when the vehicle is driving at high speed, increases fuel consumption, and is not conducive to energy conservation and environmental protection.

[0003] Nowadays, car doors are generally designed to be hidden, but hidden outward-opening door handles have inconsistent thrust at the front and rear sections of the handle, resulting in the thrust at the rear section of the handle failing to meet design requirements, which in turn causes poor coordination in the movement of the front and rear ends of the door handle, and easily leads to inconsistent movement of the front and rear ends of the handle body.

[0004] In addition, the hidden outward-opening door handles have a small thrust force, and in low-temperature and freezing environments, they are easily frozen, causing the door handles to fail to pop out, and thus the car door cannot be opened. Utility Model Content

[0005] The present application aims to solve one of the technical problems in the related art to a certain extent. To this end, the present application provides an electric door handle assembly and a car.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: an electric door handle assembly, including a handle, a base, and a main swing arm, a secondary swing arm assembly, and a connecting rod installed in the base; one end of the main swing arm and the secondary swing arm assembly are respectively rotatably connected to the base, the other end of the main swing arm is rotatably connected to one end of the handle, and the other end of the secondary swing arm assembly is rotatably connected to the other end of the handle. The main swing arm, the secondary swing arm assembly, and the connecting rod form a parallelogram connecting rod mechanism, and also include an actuator, which drives the main swing arm and drives the handle to extend or retract from the base through the connecting rod mechanism.

[0007] In the technical solution, an actuator, a main swing arm, a connecting rod, and an auxiliary swing arm assembly are provided. The actuator pushes the front and rear ends of the handle respectively and extends the handle through the connecting rod mechanism of the main swing arm, the connecting rod, and the auxiliary swing arm assembly, ensuring that the thrust at the front and rear ends of the handle is sufficient to adapt to ice-breaking operations and avoid the problem of the handle being unable to pop out. In addition, the connecting rod mechanism is arranged in a parallelogram structure, which can make the front and rear ends of the handle pushed out completely parallel, so that the movement coordination of the front and rear ends of the handle is better.

[0008] Furthermore, the auxiliary swing arm assembly includes a first auxiliary swing arm and a second auxiliary swing arm, the first auxiliary swing arm is rotationally connected to the handle via a sixth axis; one end of the second auxiliary swing arm is rotationally connected to the base via a fourth axis, and the other end of the second auxiliary swing arm is rotationally connected to the first auxiliary swing arm via a fifth axis; one end of the connecting rod is rotationally connected to one end of the main swing arm via a third axis, the third axis is located between the two ends of the main swing arm, the other end of the connecting rod is provided with a sliding groove, one end of the fifth axis extends into the sliding groove and can slide relative to the connecting rod in the sliding groove.

[0009] Furthermore, one end of the rotating arm is rotatably connected to the handle via a first axis, and the main rotating arm is rotatably connected to the base via a second axis; the distance between the first axis and the second axis is equal to the distance between the fourth axis and the sixth axis.

[0010] Furthermore, a first elastic member is connected between the main rotating arm and the base, the first elastic member drives the main rotating arm to rotate and reset, the first elastic member is sleeved on the second shaft, a second elastic member sleeved on the fourth shaft is connected between the second auxiliary rotating arm and the base, the second elastic member drives the second auxiliary rotating arm and the first auxiliary rotating arm to rotate and reset. The main rotating arm and the auxiliary rotating arm assembly are reset by the first elastic member and the second elastic member, so that the anti-pinch function when the door handle is reset can be realized.

[0011] Furthermore, a first buffer pad is provided on the base opposite to the main rotating arm to reduce the impact force between the main rotating arm and the base when the main rotating arm is reset, and a second buffer pad is provided on the base opposite to the first auxiliary rotating arm to reduce the impact force between the first auxiliary rotating arm and the base when the first auxiliary rotating arm is reset, thereby reducing the noise in use and improving the user experience.

[0012] Furthermore, a third elastic member is provided between the handle and the main rotating arm, one end of the third elastic member is connected to the main rotating arm, and the other end of the third elastic member is in contact with the handle. The third elastic member presets a torque on the handle, and the preset torque can reduce the influence of the assembly gap on the movement of the rear end of the handle, so that the movement of the front and rear ends of the handle is more coordinated. At the same time, the third elastic member can also play a role in resetting the handle after it is pulled open.

[0013] Furthermore, the actuator includes an actuator and a push block connected to the output end of the actuator. The actuator drives the push block to reciprocate linearly. A protrusion extending in a direction away from the second shaft body is formed on the main rotating arm, and one end of the push block abuts against the protrusion. The protrusion is provided to increase the rotation force arm of the push block to push the main rotating arm, thereby increasing the driving force when the handle is pushed out, which helps to break the ice and pop out the handle in a low-temperature freezing environment.

[0014] Furthermore, an arc portion is formed on the protrusion, and an inclined surface is formed on the push block to abut against the arc surface of the arc portion. Through the cooperation of the inclined surface and the arc portion, the contact point between the push block and the main rotating arm adopts the inclined surface to apply force, so that the force between the push block and the main rotating arm is always perpendicular to the tangent of the trajectory of the main rotating arm.

[0015] Furthermore, a limiting platform is formed on the second auxiliary rotating arm, and a slot corresponding to the limiting platform is formed on the outer wall of the fifth shaft body, and the limiting platform is inserted into the slot to limit the displacement of the fifth shaft body in the axial direction, so as to prevent the fifth shaft body from detaching from the second auxiliary rotating arm in the axial direction during the movement, thereby making the overall structure more compact.

[0016] Furthermore, a notch is provided on one of the side walls of the base, and a position sensor is provided on each side wall of the notch. A boss is formed on the connecting rod and placed in the notch. The linear motion of the connecting rod enables the boss to trigger the position sensors on both sides to detect the position of the handle. When the connecting rod reaches a limited position during the translational motion, the position sensor is triggered, and the position sensor sends a detection signal, which is fed back to the "actuator" after processing. The pop-up action is completed, the actuator stops advancing, and the handle retracts in the opposite direction of the pop-up action.

[0017] Furthermore, there are two connecting rods, which are arranged at both ends of the fifth axis along the width direction of the base, and arc grooves corresponding to the slide grooves are arranged on both sides of the base, and the two ends of the fifth axis respectively penetrate the arc grooves and extend into the slide grooves. In this way, the installation of the fifth axis is combined with the base, which can improve the stability of the movement of the fifth axis, and further improve the stability of the movement of the entire connecting rod mechanism.

[0018] Furthermore, a cover plate is provided on the outside of the base, a bottom plate is provided on the inside of the base, the handle comprises a handle body and a handle cover covering the handle body, an illuminating lamp is provided on the inside of the handle body, and the handle is retracted into the mounting cavity so that one end surface of the handle cover is flush with the outer end surface of the cover plate, thereby improving the overall appearance of the handle.

[0019] The utility model also discloses a car, comprising a door, on which is arranged an electric door handle assembly as described in any one of the above items, the electric door handle assembly is fixed on the door through a base, and the outer surface of the handle in a retracted state is flush with the outer surface of the door.

[0020] These features and advantages of the present application will be disclosed in detail in the following specific embodiments and drawings. The best embodiments or means of the present application will be described in detail in conjunction with the drawings, but they are not intended to limit the technical solutions of the present application. In addition, there are multiple features, elements, and components that appear in each of the following texts and drawings, and different symbols or numbers are marked for convenience, but they all represent components with the same or similar structures or functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present application is further described below in conjunction with the accompanying drawings:

[0022] Figure 1 This is an overall structural diagram of one embodiment of the utility model (handle retracted state);

[0023] Figure 2 A side view of the handle of one embodiment of the present invention in a retracted state (without the base);

[0024] Figure 3 This is a side view of the handle of one embodiment of the present invention in a retracted state (without the base and actuator);

[0025] Figure 4 This is a three-dimensional structural diagram of one embodiment of the present invention with the handle in a retracted state (without the base);

[0026] Figure 5 This is an overall structural diagram of one embodiment of the utility model (handle extended state);

[0027] Figure 6 This is an overall structural diagram of one embodiment of the utility model with the handle in an extended state (without the base);

[0028] Figure 7 A side view of the handle of one embodiment of the present invention in an extended state (without the base and the actuator);

[0029] Figure 8 This is a cross-sectional view of the internal structure of a handle of one embodiment of the present utility model;

[0030] Fig. 9 This is a base structure diagram of one embodiment of the utility model;

[0031] Fig.10 This is a structural diagram of the handle in an emergency opening state of one embodiment of the utility model;

[0032] Fig.11 This is a structural diagram of the handle in a retracted state (with a base) of one embodiment of the utility model.

[0033] in,

[0034] 1. handle; 11. first shaft; 12. handle body; 13. handle cover; 14. lighting lamp; 15. baffle;

[0035] 2. base; 21. first buffer pad; 22. second buffer pad; 23. arc groove; 24. mounting cavity; 25. cover plate; 26. bottom plate; 27. notch; 28. pre-hook;

[0036] 3. Main rotating arm; 31. Second shaft body; 32. Protrusion;

[0037] 4. connecting rod; 41. third shaft; 42. slide groove; 43. boss;

[0038] 5. first auxiliary rotating arm; 51. sixth axis;

[0039] 6. Second auxiliary rotating arm; 61. Fourth axis; 62. Fifth axis; 63. Card slot; 64. Limiting platform;

[0040] 7. actuator; 71. actuator; 72. push block; 73. inclined plane;

[0041] 81. a first elastic member; 82. a second elastic member; 83. a third elastic member;

[0042] 9. Position sensor. DETAILED DESCRIPTION

[0043] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments based on the embodiments are intended to be used to explain the present application and cannot be understood as limiting the present application.

[0044] References to "one embodiment" or "an example" or "an example" in this specification mean that a particular feature, structure, or characteristic described in conjunction with the embodiment itself may be included in at least one embodiment disclosed in the present application. The appearance of the phrase "in one embodiment" in various places in the specification does not necessarily refer to the same embodiment.

[0045] See attached Figure 1 , Figure 2 , Fig. 9 One of the embodiments of the utility model discloses an electric door handle assembly, including a handle 1, a base 2, and also including a main rotating arm 3, a secondary rotating arm assembly, and a connecting rod 4 installed in the base 2; one end of the main rotating arm 3 and the secondary rotating arm assembly are respectively rotatably connected to the base 2, the other end of the main rotating arm 3 is rotatably connected to one end of the handle 1, and the other end of the secondary rotating arm assembly is rotatably connected to the other end of the handle 1, the main rotating arm 3, the secondary rotating arm assembly, and the connecting rod 4 form a parallelogram connecting rod 4 mechanism, and the actuator 7 drives the main rotating arm 3 and drives the handle 1 to extend or retract from the base 2 through the connecting rod 4 mechanism.

[0046] A mounting cavity 24 is provided on the base 2; the mounting cavity 24 is used to accommodate the handle and the connecting rod mechanism for driving the handle 1; the auxiliary swing arm assembly in this embodiment includes a first auxiliary swing arm 5 and a second auxiliary swing arm 6, one end of the first auxiliary swing arm 5 is rotatably connected to one end of the handle through a sixth shaft 51; one end of the main swing arm 3 is rotatably connected to the other end of the handle through a first shaft 11; the other end of the main swing arm 3 is rotatably connected to the base 2 through a second shaft 31; one end of the second auxiliary swing arm 6 is rotatably connected to the base 2 through a fourth shaft 61, and the other end of the second auxiliary swing arm 6 is rotatably connected to the first auxiliary swing arm 5 through a fifth shaft 62, and the fifth shaft 62 is slidably connected to the base 2; one end of the connecting rod 4 is rotatably connected to the main swing arm 3 through a third shaft 41, the third shaft 41 is located between the two ends of the main swing arm 3, the other end of the connecting rod 4 is provided with a slide groove 42, and one end of the fifth shaft 62 extends into the slide groove 42 and can slide relative to the connecting rod 4 in the slide groove 42.

[0047] See attached Figure 3 , 4 , 5, 6, the second auxiliary swing arm 6, connecting rod 4, main swing arm 3 (the center line of the second shaft 31 and the third shaft 41) in the present application, the center line of the fifth shaft 62 and the second shaft 31 form a first parallelogram, which serves as thrust transmission to ensure that the thrust at the "front end" and "rear end" of the handle are the same. In addition, the center line of the second shaft 31 and the first shaft 11, the center line of the first shaft 11 and the sixth shaft 51, the center line of the sixth shaft 51 and the fourth shaft 61, and the center line of the second shaft 31 and the fourth shaft 61 form a second parallelogram, so that the shaft force arm of the main swing arm 3 driving the front end of the handle is the same as the shaft force arm of the first auxiliary swing arm 5 driving the rear end of the handle, so as to ensure that the handle body 12 is pushed out completely in parallel.

[0048] It should be noted that the front end of the handle in the present application refers to the end close to the actuator 7 , and the rear end of the handle refers to the end away from the actuator 7 .

[0049] During operation, when the car door needs to be opened, the handle needs to be extended for the owner to operate. At this time, the owner controls the key to send a signal to the actuator 7. After receiving the signal, the actuator 7 starts and drives the main rotating arm 3 to rotate. The rotation of the main rotating arm 3 is driven by the connecting rod 4, and drives the second auxiliary rotating arm 6 and the first auxiliary rotating arm 5 to rotate to drive the handle to extend from the base 2. At this time, the owner can control the handle to open the car door.

[0050] When the door is opened, in order to realize the reset of the handle after it is extended, a first elastic member 81 is connected between the main rotating arm 3 and the base 2 in this embodiment. The first elastic member 81 drives the main rotating arm 3 to rotate and reset. The first elastic member 81 is sleeved on the second shaft body 31. A second elastic member 82 sleeved on the fourth shaft body 61 is connected between the second auxiliary rotating arm 6 and the base 2. The second elastic member 82 drives the second auxiliary rotating arm 6 and the first auxiliary rotating arm 5 to rotate and reset. The first elastic member 81 and the second elastic member 82 can be springs, torsion springs or other elastic members. When the handle is extended, the main rotating arm 3 will compress the first elastic member 81, and the second auxiliary rotating arm 6 will compress the second elastic member 82. When the actuator 7 retracts, the first elastic member 81 and the second elastic member 82 will reset under the action of their own elastic force, and push the main rotating arm 3 and the second auxiliary rotating arm 6 to rotate and reset. It can be seen that the retraction of the handle in this embodiment is an elastic process, which can avoid the risk of pinching the hand during the retraction process.

[0051] See attached Figure 2 , 7 In order to improve the user experience of the overall structure, the base 2 of this embodiment is provided with a first buffer pad 21 opposite to the main rotating arm 3 to reduce the impact force between the main rotating arm 3 and the base 2 when the main rotating arm 3 is reset, and the base 2 is provided with a second buffer pad 22 opposite to the first auxiliary rotating arm 5 to reduce the impact force between the first auxiliary rotating arm 5 and the base 2 when the first auxiliary rotating arm 5 is reset. Reduce the use noise and improve the user experience.

[0052] See attached Figure 8 In this embodiment, a third elastic member 83 sleeved on the first shaft 11 is provided between the handle and the main rotating arm 3. One end of the third elastic member 83 is connected to the main rotating arm 3, and the other end of the third elastic member 83 abuts against the handle and presets a torque on the handle. The third elastic member 83 applies a preset torque to the handle so that the rear end of the handle is close to the first auxiliary rotating arm 5. In this way, the preset torque can reduce the influence of the assembly gap on the movement of the rear end of the handle, so that the movement of the front and rear ends of the handle is more coordinated. In addition, after the handle is extended, the owner may pull the handle and rotate the handle as a whole around the first shaft 11 when operating the handle. The rotation of the handle will compress the third elastic member 83, and at the same time pull the first auxiliary rotating arm 5 and the second auxiliary rotating arm 6 so that the second auxiliary rotating arm 6 further compresses the second elastic member 82. When it is necessary to reset, the handle will first be reset to a parallel state (extended state) under the cooperation of the third elastic member 83 and the second elastic member 82.

[0053] See attached Fig.11The door handle structure in the present application can also avoid the problem that the handle cannot be extended due to the failure of the actuator 7. Specifically, when the actuator 7 fails, the actuator 7 cannot push the handle out. In order to avoid being unable to open the car door, when in use, the front end of the handle can be pressed to make the rear end of the handle rise and extend out of the car body. At this time, the second elastic member 82 and the third elastic member 83 are compressed, and the rear end of the handle extends out of the car body, so that the car owner can control the handle. After use, the handle can also be reset under the action of the first elastic member 81 and the third elastic member 83.

[0054] It should be noted that the reset function of the third elastic member 83 is only for the rotation of the handle itself around the first axis, and the reset function of the second elastic member 82 can not only reset the rotation of the handle around the first axis, but also reset the retraction movement of the handle.

[0055] For further settings, see the attached Figure 2 , 6 7. The actuator 7 in this embodiment includes an actuator 71 and a push block 72 connected to the output end of the actuator 71. The actuator 71 drives the push block 72 to reciprocate in a straight line. A protrusion 32 is formed on the main rotating arm 3. One end of the push block 72 abuts against the protrusion 32. It can be seen that the push block 72 and the protrusion 32 (i.e., the main rotating arm 3) are only in contact but not connected. In this way, the push block 72 can push the main rotating arm 3 to rotate and extend the handle. However, during the resetting process, the actuator 7 will not drive the main rotating arm 3 to rotate. The main rotating arm 3 can only be reset under the action of the first elastic member 81, which is the anti-pinch function of the handle reset mentioned above. In addition, in this embodiment, the protrusion 32 extends in a direction away from the second shaft body 31, which increases the turning force arm of the push block 72 to push the main rotating arm 3, thereby increasing the driving force when the handle is pushed out, which helps to break the ice and pop out the handle in a low-temperature freezing environment.

[0056] In order to make the movement of the main rotating arm 3 smoother, a circular arc portion is formed on the protrusion 32, and a slope 73 that abuts against the circular arc portion is formed on the push block 72. Through the cooperation of the slope 73 and the circular arc portion, the push block 72 and the main rotating arm 3 contact force point are applied by the slope 73, so that the force between the push block 72 and the main rotating arm 3 is always perpendicular to the tangent of the trajectory of the main rotating arm 3. In this way, the process of the push block 72 pushing the main rotating arm 3 to rotate is smoother.

[0057] See attached Fig.11 In one embodiment of the utility model, a limiting platform 64 is formed on the second auxiliary rotating arm 6, and a slot 63 corresponding to the limiting platform 64 is formed on the outer wall of the fifth shaft body 62. The limiting platform 64 is inserted into the slot 63 to limit the displacement of the fifth shaft body 62 in the axial direction. This prevents the fifth shaft body 62 from detaching from the second auxiliary rotating arm 6 in the axial direction during movement, making the overall structure more compact.

[0058] See attached Figure 2 , 3 , 6, 7, 9, one of the side walls of the base 2 of one embodiment of the utility model is provided with a notch 27, and a position sensor 9 is arranged on each side wall of the notch 27, and a boss 43 is formed on the connecting rod 4 and placed in the notch 27, and the linear motion of the connecting rod 4 enables the boss 43 to trigger the position sensors 9 on both sides to detect the position of the handle. During the movement of the connecting rod 4, it will contact and trigger the position sensors 9 on both sides respectively. During the extension of the handle, the protrusion 32 on the connecting rod 4 will trigger one of the position sensors 9, and the sensor will send a detection signal, which will be fed back to the "actuator 7" after processing, and the pop-up action of the handle is completed, the actuator 7 stops pushing, and the retraction action of the handle is opposite to the pop-up action (the other position sensor 9 works). It should be noted that in order to ensure the installation stability of the position sensor 9, a mounting seat for mounting the position sensor 9 can be provided on the base 2, and the position sensor 9 is mounted on the mounting seat.

[0059] In order to improve the stability of the overall structure, the utility model has two connecting rods 4, which are arranged at both ends of the fifth shaft body 62 along the width direction of the base 2. The base 2 has arc grooves 23 corresponding to the slide grooves 42 on both sides, and the two ends of the fifth shaft body 62 respectively penetrate the arc grooves 23 and then extend into the slide grooves 42. In this way, the installation of the fifth shaft body 62 is combined with the base 2, which can improve the stability of the movement of the fifth shaft body 62, and further improve the stability of the movement of the entire connecting rod 4 mechanism.

[0060] It should be noted that the slideway in the present invention can be designed as a circumferentially closed structure, see the attached Figure 2 , 3 , 4, can also be designed as a structure with one end open. When designing, it is only necessary to ensure that after the handle is pulled out, it can automatically reset under the action of the second elastic member 82 so that the fifth shaft body 62 is stuck into the slide groove 42, so that the connecting rod 4 can push the fifth shaft body 62 in time during the next pushing process.

[0061] Referring to the attached drawings, the outer side of the base 2 of the utility model is provided with a cover plate 25, the inner side of the base 2 is provided with a bottom plate 26, the handle includes a handle body 12 and a handle cover 13 covering the handle body 12, and the inner side of the handle body 12 is provided with an illumination lamp 14. In a dark environment, after the handle is extended, it is convenient for the owner to find the handle position accurately, and the handle is retracted into the installation cavity 24 so that one end face of the handle cover 13 is flush with the outer end face of the cover plate 25; the cover plate 25 and the bottom plate 26 in the present application close the openings at both ends of the base 2, and the bottom plate 26 can also cover the position sensor 9 inside, thereby improving the overall appearance of the handle assembly. Referring to the attached drawings, a baffle 15 is provided on the handle 1. When the handle is extended, the baffle 15 can move with the baffle 15, and finally stay at a position corresponding to the cover plate 25, so as to cover the gap existing on the base 2 after the handle 1 moves, thereby improving the overall appearance.

[0062] In addition, see Appendix Figure 1 The utility model is also provided with a pre-hook 28 on the outer side of the base 2. When the main engine factory installs, the sheet metal is hung by the pre-hook 28, so that the operator does not need to hold the door handle with one hand, and can free both hands, which is convenient for subsequent assembly operations.

[0063] The utility model also discloses a car, the door of the car adopts the door handle assembly disclosed in the present application, when installing, a mounting portion for mounting the door handle assembly is opened on the door, and a through hole for passing the handle 1 is formed on the outer surface of the door, the door handle assembly is mounted inside the door of the car through a base 2, the handle 1 is mounted in the through hole, in a retracted state, the outer surface of the handle 1 is flush with the outer surface of the door, so that when the door does not need to be opened, the handle 1 is hidden in the door, the overall appearance of the door is improved, and the air resistance of the car during driving can be reduced, when the door needs to be opened, the handle 1 will protrude from the outer surface of the door under the action of the actuator 7, so as to facilitate the opening of the door.

[0064] The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Those skilled in the art should understand that the present application includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification that does not deviate from the functional and structural principles of the present application will be included in the scope of the claims.

Claims

1. An electric door handle assembly; comprising a handle (1), characterized in that: The invention also comprises a base (2), a main swing arm (3), a secondary swing arm assembly and a connecting rod (4), wherein the main swing arm (3), the secondary swing arm assembly and the connecting rod (4) are installed in the base (2); one end of the main swing arm (3) and the secondary swing arm assembly are respectively rotatably connected to the base (2), the other end of the main swing arm (3) is rotatably connected to one end of the handle (1), and the other end of the secondary swing arm assembly is rotatably connected to the other end of the handle (1), and the main swing arm (3), the secondary swing arm assembly and the connecting rod (4) form a parallelogram connecting rod mechanism; and an actuator (7) is also included, wherein the actuator (7) drives the main swing arm (3) and drives the handle (1) to extend or retract from the base (2) through the connecting rod mechanism.

2. The electric door handle assembly according to claim 1, characterized in that: The auxiliary swing arm assembly comprises a first auxiliary swing arm (5) and a second auxiliary swing arm (6), the first auxiliary swing arm (5) is rotationally connected to the handle (1) via a sixth shaft (51); one end of the second auxiliary swing arm (6) is rotationally connected to the base (2) via a fourth shaft (61), and the other end of the second auxiliary swing arm (6) is rotationally connected to the first auxiliary swing arm (5) via a fifth shaft (62); one end of the connecting rod (4) is rotationally connected to one end of the main swing arm (3) via a third shaft (41), the third shaft (41) is located between the two ends of the main swing arm (3), the other end of the connecting rod (4) is provided with a slide groove (42), and one end of the fifth shaft (62) extends into the slide groove (42) and can slide relative to the connecting rod (4) in the slide groove (42).

3. The electric door handle assembly according to claim 2, characterized in that: The main rotating arm (3) is rotatably connected to the handle (1) via a first shaft (11), and the main rotating arm (3) is rotatably connected to the base (2) via a second shaft (31); the distance between the first shaft (11) and the second shaft (31) is equal to the distance between the fourth shaft (61) and the sixth shaft (51).

4. The electric door handle assembly according to claim 1, characterized in that: A first elastic member (81) is connected between the main rotating arm (3) and the base (2), and the first elastic member (81) drives the main rotating arm (3) to rotate and reset.

5. The electric door handle assembly according to claim 2, characterized in that: A second elastic member (82) is connected between the second auxiliary rotating arm (6) and the base (2), and the second elastic member (82) drives the auxiliary rotating arm assembly to rotate and reset.

6. The electric door handle assembly according to claim 1, characterized in that: The base (2) is provided with a first buffer pad (21) opposite to the main rotating arm (3), and the base (2) is provided with a second buffer pad (22) opposite to the auxiliary rotating arm assembly.

7. The electric door handle assembly according to claim 1, characterized in that: A third elastic member (83) is provided between the handle (1) and the main rotating arm (3); one end of the third elastic member (83) is connected to the main rotating arm (3), and the other end of the third elastic member (83) is in contact with the handle (1).

8. The electric door handle assembly according to claim 1, characterized in that: The actuator (7) comprises an actuator (71) and a push block (72) connected to the output end of the actuator (71); the actuator (71) drives the push block (72) to reciprocate linearly; a protrusion (32) extending in a direction away from a connection portion between the main rotating arm (3) and the base (2) is formed on the main rotating arm (3); one end of the push block (72) abuts against the protrusion (32).

9. The electric door handle assembly according to claim 8, characterized in that: The protrusion (32) is formed with an arc portion, and the push block (72) is formed with an inclined surface (73) that abuts against the arc surface of the arc portion.

10. The electric door handle assembly according to claim 2, characterized in that: A limiting platform (64) is formed on the second auxiliary rotating arm (6), and a slot (63) corresponding to the limiting platform (64) is formed on the outer wall of the fifth shaft body (62), and the limiting platform (64) is inserted into the slot (63) to limit the displacement of the fifth shaft body (62) in the axial direction.

11. The electric door handle assembly according to claim 1, characterized in that: A notch (27) is provided on one of the side walls of the base (2), and a position sensor (9) is provided on each of the two side walls of the notch (27). A boss (43) is formed on the connecting rod (4) and is placed in the notch (27). The linear movement of the connecting rod (4) enables the boss (43) to trigger the position sensors (9) on both sides to detect the position of the handle (1).

12. The electric door handle assembly according to claim 2, characterized in that: The number of the connecting rods (4) is two, and the two connecting rods (4) are arranged at the two ends of the fifth shaft body (62) along the width direction of the base (2). The two sides of the base (2) are provided with arc grooves (23) corresponding to the slide grooves (42), and the two ends of the fifth shaft body (62) respectively penetrate the arc grooves (23) and then extend into the slide grooves (42).

13. The electric door handle assembly according to claim 1, characterized in that: The outer side of the base (2) is provided with a cover plate (25), the inner side of the base (2) is provided with a bottom plate (26), the handle (1) comprises a handle body (12) and a handle cover (13) covering the handle body (12), the inner side of the handle body (12) is provided with an illumination lamp (14), and the handle (1) is retracted into the mounting cavity (24) so ​​that one end surface of the handle cover (13) is flush with the outer end surface of the cover plate (25).

14. A car, comprising a door, characterized in that: The vehicle door is provided with an electric door handle assembly as described in any one of claims 1 to 13, and the electric door handle assembly is fixed to the vehicle door via a base, and the outer surface of the handle in a retracted state is flush with the outer surface of the vehicle door.

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