Hidden door handle of vehicle

Abstract

The utility model relates to the technical field of automobile parts, in particular to a vehicle hidden door handle which comprises a base, a handle body, a supporting shaft, a reset spring, a linkage assembly, an electric drive assembly and a controller, a containing cavity is formed in the base, and the handle body is sequentially provided with a linkage part, a connecting part and a holding part in the length direction of the handle body. The handle is rotationally arranged in the containing cavity through the supporting shaft, the electric drive assembly is fixedly installed on the base, the linkage assembly communicates with the containing cavity and is connected with the linkage part of the handle, and the electric drive assembly is connected with the linkage assembly and used for driving the linkage assembly to movably pull the linkage part of the handle to swing towards the inner wall of the containing cavity so that the holding part of the handle can reversely swing out of the containing cavity. According to the automobile door opening device, the controller controls the electric drive assembly to drive the linkage assembly so that the holding part of the handle can swing out of the containing cavity, a user holds the holding part of the handle with one hand to pull the automobile door, the automobile door is pulled open, and use is convenient.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and more particularly, to a hidden door handle for a vehicle. Background Art

[0002] With the popularization and development of automobile electrification and the improvement of manufacturing technology, many car models are working hard on their appearance. As one of the parts that drivers and passengers come into contact with most in daily life, the appearance and automation requirements of car door handles are getting higher and higher. Among them, hidden door handles are gradually becoming a trend. The most obvious advantage of hidden door handles is that they can improve the appearance of the car, making the car look more advanced; at the same time, they can reduce the wind resistance of the vehicle in terms of performance.

[0003] In the related art, a hidden door handle usually includes a base, a handle, a support shaft and a reset spring. The base is provided with a storage cavity for storing the hidden handle. The support shaft is fixedly connected to the base, and the handle is rotatably connected to the support shaft. The support shaft limits the handle in the storage cavity and supports the handle to rotate. The handle is divided into two parts by the support shaft, one side of the support shaft is a pressing part, and the other side of the support shaft is a holding part. The reset spring is installed on the handle and connected to the base for pulling the handle to reset. When in use, the user applies force to the pressing part inside the storage cavity with one hand to make the holding part swing out of the storage cavity, and then uses the other hand to hold the holding part and pull it outward to open the door. This method requires both hands to operate at the same time to complete the opening, which is inconvenient and the user experience is not good. Utility Model Content

[0004] In order to solve the problem in the related art that hidden door handles require both hands to operate simultaneously, which is inconvenient and causes a poor user experience, the present application provides a hidden door handle for a vehicle.

[0005] A hidden door handle for a vehicle comprises a base, a handle, a support shaft, a return spring, a linkage assembly, an electric drive assembly, and a controller, wherein a storage cavity is provided on the base, the support shaft is located in the storage cavity and is fixedly connected to the base, the handle is provided with a linkage portion, a connecting portion and a holding portion in sequence along its length direction, the handle is arranged in the storage cavity and the connecting portion of the handle is rotatably connected to the support shaft, the electric drive assembly is installed and fixed on the base, the linkage assembly connects the storage cavity and the linkage portion of the handle, the electric drive assembly is connected to the linkage assembly and is used to drive the linkage assembly to movably pull the linkage portion of the handle to swing toward the inner wall of the storage cavity so that the holding portion of the handle swings out of the storage cavity in the opposite direction, the return spring is installed at the rotation connection between the connecting portion of the handle and the support shaft and is used to drive the handle to automatically reset, and the controller is fixed on the base and electrically connected to the electric drive assembly.

[0006] Preferably, the linkage assembly includes a pull rope, a first linkage ball, and a second linkage ball, one end of the pull rope is fixedly connected to the first linkage ball, and the other end of the pull rope is fixedly connected to the second linkage ball, the electric drive assembly includes a motor, a screw rod, a movable sleeve, and a connecting block, the inner hole wall of the movable sleeve is provided with a thread matching the screw rod, the screw rod is threadedly connected to the inside of the movable sleeve, the connecting block is fixed to the end of the movable sleeve, the linkage part of the handle is provided with a first limiting cavity adapted to the first linkage ball, the first linkage ball is installed in the first limiting cavity to be limited, the connecting block is provided with a second limiting cavity adapted to the second linkage ball, the second linkage ball is installed in the second limiting cavity to be limited, the motor is connected to the end of the screw rod to drive the screw rod to rotate so that the movable sleeve reciprocates along the length direction of the screw rod, driving the pull rope to move and swing the linkage part of the handle toward the inner wall of the storage cavity, and the motor is connected to the controller signal.

[0007] Preferably, the electric drive assembly also includes a guide sleeve, which is sleeved with the screw rod and the movable sleeve and fixedly connected to the motor, the inner wall of the guide sleeve is recessed with a guide groove extending along its length direction, and the outer wall of the movable sleeve is provided with a guide ridge matching the guide groove, and the guide ridge is embedded in the guide groove and slides.

[0008] Preferably, the storage cavity is arranged on one side of the base, the motor is installed on the other side of the base, and the screw rod is parallel to the length direction of the handle. The base is provided with a limiting channel adapted to the pull rope on the side where the motor is located, one end of the limiting channel is connected with the second limiting cavity, the limiting channel extends to the linkage part corresponding to the handle, and the base is provided with an opening connected to the storage cavity at one end of the limiting channel away from the second limiting cavity, the pull rope penetrates into the limiting channel to move and be limited, and the opening is for the first linkage ball to penetrate into the storage cavity.

[0009] Preferably, the base is rotatably provided with a turning column at the connection point between the opening and the limiting channel, and the turning column abuts against the pull rope to support the movement of the pull rope.

[0010] Preferably, the handle includes a handle body, a cover body and a light strip, one side of the handle body is recessed with a mounting groove extending along its length direction, the light strip is installed in the mounting groove, the cover body covers the mounting groove and is fixedly connected to the handle body to close the mounting groove, the cover body is made of light-transmitting material, and the light strip is electrically connected to the controller.

[0011] Preferably, it also includes a mechanical push-to-telescope mechanism, which is fixed on the base and connected to the storage cavity and one end of which abuts against the gripping portion of the handle, and when the gripping portion of the handle is pressed, the mechanical push-to-telescope mechanism is triggered to release and extend, and overcomes the resistance of the return spring to push the gripping portion of the handle to swing out of the storage cavity.

[0012] In summary, the present application includes at least one of the following beneficial technical effects:

[0013] 1. The controller controls the electric drive assembly to drive the linkage assembly so that the grip of the handle swings out of the storage cavity. No manual pressure is required. The user can open the door by holding the grip of the handle with one hand and pulling the door. Opening the door is convenient and the user has a good experience. After the user lets go of the handle, the handle is automatically reset by the torsion spring. No secondary operation is required, and the user experience is better.

[0014] 2. The handle has a built-in light strip, which emits light for decorative effect and is used to mark the position of the handle in the dark so that the user can find the handle position accurately, giving the user a better experience.

[0015] 3. A mechanical pressing and retracting mechanism is provided, which is helpful for pushing the gripping part of the handle out of the storage cavity when the electric drive assembly is frozen and has difficulty in operation in cold weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a hidden vehicle door handle according to this embodiment.

[0017] Figure 2 This is a schematic structural diagram of a hidden vehicle door handle from another angle of this embodiment.

[0018] Figure 3 It is a schematic diagram of the connection structure of the handle, return spring, linkage assembly and electric drive assembly of this embodiment.

[0019] Figure 4 2 is an exploded view of the electric drive assembly of this embodiment.

[0020] Figure 5 Schematic diagram of the structure of the handle of this embodiment.

[0021] 1. Base; 11. Storage cavity; 12. Limiting groove; 13. Limiting channel; 14. Opening; 15. Connecting groove; 16. Turning column; 2. Handle; 21. Linkage part; 211. First limiting cavity; 22. Connecting part; 23. Grip part; 24. Connecting sleeve; 25. Abutting protrusion; 26. Handle body; 261. Mounting groove; 262. Perforation; 27. Cover; 28. Light strip; 3. Support shaft; 4. Reset spring; 5. Linkage assembly; 51. Pull rope; 52. First linkage ball; 53. Second linkage ball; 6. Electric drive assembly; 61. Motor; 62. Screw rod; 63. Moving sleeve; 631. Guide protrusion; 64. Connecting block; 641. Second limiting cavity; 65. Guide sleeve; 651. Guide groove; 7. Controller; 8. Mechanical press-telescopic mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0023] Reference Figure 1 and Figure 2 A hidden door handle for a vehicle comprises a base 1, a handle 2, a support shaft 3, a return spring 4, a linkage assembly 5, an electric drive assembly 6, a controller 7, and a mechanical pressing and retracting mechanism 8. The handle 2 is provided with a linkage portion 21, a connecting portion 22 and a gripping portion 23 in sequence along its length direction. A storage cavity 11 adapted to the shape and size of the handle 2 is provided on one side of the base 1. A connecting sleeve 24 is provided through the connecting portion 22 of the handle 2. The support shaft 3 penetrates into the connecting sleeve 24 to support the handle 2 to rotate. The return spring 4 is sleeved on the connecting sleeve 24. The support shaft 3 is installed in the accommodating cavity and fixedly connected to the base 1 so that the handle 2 is hidden in the storage cavity 11. The base 1 is provided with a limiting groove 12 inside the storage cavity 11. The return spring 4 is sleeved on the connecting sleeve 24. The support shaft 3 is installed in the accommodating cavity and fixedly connected to the base 1 so that the handle 2 is hidden in the storage cavity 11. The base 1 is provided with a limiting groove 12 inside the storage cavity 11. The pin at one end of 4 is inserted into the limiting groove 12 for fixing so that the reset spring 4 cannot rotate around the connecting sleeve 24. The connecting portion 22 of the handle 2 is convexly provided with an abutting protrusion 25. The pin at the other end of the reset spring 4 abuts against the abutting protrusion 25 so that when the gripping portion 23 of the handle 2 is forced to swing out of the storage cavity 11, a pulling force is provided to the handle 2 to facilitate the return of the handle 2 to the position and hide the recovery cavity 11. The electric drive component 6 is installed and fixed on the other side of the base 1, and the linkage component 5 connects the storage cavity 11 and the linkage portion 21 of the handle 2. The electric drive component 6 is connected to the linkage component 5 to drive the linkage component 5 to movably pull the linkage portion 21 of the handle 2 to swing toward the inner wall of the storage cavity 11 so that the gripping portion 23 of the handle 2 swings out of the storage cavity 11 in the opposite direction.

[0024] Reference Figure 1 and Figure 3 The linkage assembly 5 includes a pull rope 51, a first linkage ball 52, and a second linkage ball 53. One end of the pull rope 51 is fixedly connected to the first linkage ball 52, and the other end of the pull rope 51 is fixedly connected to the second linkage ball 53. The electric drive assembly 6 includes a motor 61, a screw rod 62, a movable sleeve 63, and a connecting block 64. The inner wall hole of the movable sleeve 63 is provided with a thread matching the screw rod 62. The screw rod 62 is threadedly connected to the inside of the movable sleeve 63. The connecting block 64 is fixed to the end of the movable sleeve 63. The motor 61 is connected to the end of the screw rod 62. When the movable screw 62 rotates, the movable sleeve 63 reciprocates along the length direction of the screw 62, the motor 61 is fixedly connected to the base 1 and makes the screw 62 parallel to the length direction of the handle 2, the base 1 is provided with a limiting channel 13 adapted to the pull rope 51 on the side where the motor 61 is located, the linkage part 21 of the handle 2 is provided with a first limiting cavity 211 adapted to the first linkage ball 52, the connecting block 64 is provided with a second limiting cavity 641 adapted to the second linkage ball 53, one end of the limiting channel 13 is connected to the second limiting cavity 641, and the base 1 is provided with a limiting channel 13. The end away from the second limiting cavity 641 is provided with an opening 14 connected to the receiving cavity 11, the pull rope 51 penetrates into the limiting channel 13 to move and is limited so that the pull rope 51 is not easily tangled when moving, the opening 14 is used for the first linkage ball 52 to penetrate into the receiving groove and the first linkage ball 52 is installed in the first limiting cavity 211 to be limited, the second linkage ball 53 is installed in the second limiting cavity 641 to be limited, the motor 61 drives the screw rod 62 to rotate and drives the moving sleeve 63 to reciprocate along the length direction of the screw rod 62, and the moving sleeve 6 The pull rope 51 is pulled back and forth to pull the linkage portion 21 of the handle 2 toward the inner wall of the storage cavity 11 so that the gripping portion 23 of the handle 2 is reversely swung out of the storage cavity 11, or the pull rope 51 is loosened so that the return spring 4 pulls the gripping portion 23 of the handle 2 to automatically return to the storage cavity 11 for hiding. The screw rod 62 is parallel to the length direction of the handle 2. The pull rope 51 converts the force of the lateral movement of the screw rod 62 into a pulling force perpendicular to the screw rod 62, which is beneficial to reducing the overall volume of the hidden door handle 2 and saving the installation space of the door.

[0025] Reference Figure 3 and Figure 4 Furthermore, the electric drive assembly 6 also includes a guide sleeve 65, which is fitted with the screw rod 62 and the movable sleeve 63 and fixedly connected to the motor 61. The inner wall of the guide sleeve 65 is recessed with a guide groove 651 extending along its length direction, and the outer wall of the movable sleeve 63 is provided with a guide ridge 631 matching the guide groove 651. The guide ridge 631 is embedded in the guide groove 651 and slides. The guide groove 651 limits the guide ridge 631 and guides the guide ridge 631 to slide, so that the movable sleeve 63 is stable and movable along the length direction of the screw rod 62.

[0026] Reference Figure 1Furthermore, a turning column 16 is rotatably provided at the connection between the opening 14 and the limiting channel 13 of the base 1. The turning column 16 abuts against the pull rope 51 to support the movement of the pull rope 51, reducing the friction of the pull rope 51 and making the pull rope 51 move more smoothly.

[0027] Reference Figure 5 The handle 2 includes a handle body 26, a cover body 27 and a light strip 28. A mounting groove 261 extending along the length direction of the handle body 26 is recessed on one side of the handle body 26. The light strip 28 is installed in the mounting groove 261. The cover body 27 covers the mounting groove 261 and is fixedly connected to the handle body 26 to close the mounting groove 261. The cover body 27 is made of a light-transmitting material so that the light strip 28 can penetrate the cover body 27 when it is lit to achieve a decorative effect. The material for making the cover body 27 is preferably a transparent acrylic sheet. In the dark, the light strip 28 is illuminated to mark the position of the handle 2 so that the user can accurately find the position of the handle 2, and the user experience is better.

[0028] Reference Figure 1 and Figure 2 The mechanical push-to-retract mechanism 8 is a push-to-pop mechanism similar to a cylindrical pen cap. The mechanical push-to-retract mechanism 8 is fixed on the base 1 and is located on the side where the motor 61 is located, and is aligned with the gripping portion 23 of the handle 2. A slot is provided on the base 1. The telescopic shaft of the mechanical push-to-retract mechanism 8 passes through the slot and abuts against the gripping portion 23 of the handle 2 and is perpendicular to the gripping portion 23 of the handle 2. When the gripping portion 23 of the handle 2 is pressed, the telescopic shaft of the mechanical push-to-retract mechanism 8 is compressed and in contact with the telescopic portion of the mechanical push-to-retract mechanism 8. The limiting of the axis allows the telescopic axis to be released and extended, and overcomes the resistance of the reset spring 4 to push the gripping portion 23 of the handle 2 to push the gripping portion 23 of the handle 2 out of the storage cavity 11. The telescopic axis of the mechanical telescopic mechanism 8 is pressed back by pressing the gripping portion 23 of the handle 2 back into the storage cavity 11 to achieve re-positioning of the telescopic axis. The mechanical telescopic mechanism 8 is less affected by the environment, which is beneficial for pushing the gripping portion 23 of the handle 2 out of the storage cavity 11 in cold weather when the electric drive assembly 6 is frozen and has difficulty operating.

[0029] Reference Figure 1 and Figure 2 The controller 7 is mounted and fixed on the base 1 and is located on the side where the motor 61 is located. The motor 61 is electrically connected to the controller 7 through a wire. The handle body 26 is provided with a through hole 262 for the wire to pass through the handle body 26 at the position of the connecting portion 22. The base 1 is provided with a connecting groove 15 corresponding to the through hole 262 to connect to the storage cavity 11. The light strip 28 is connected to the controller 7 by a wire passing through the through hole 262 and the connecting groove 15 to realize the electrical connection between the light strip 28 and the controller 7. The controller 7 can be connected to the vehicle's on-board system and the vehicle key signal, and the light strip 28 is controlled to be turned on or off and the motor 61 is controlled to be started or turned off through the key or the on-board system.

[0030] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hidden door handle for a vehicle, characterized in that: The invention comprises a base, a handle, a support shaft, a return spring, a linkage assembly, an electric drive assembly and a controller, wherein a storage cavity is arranged on the base, the support shaft is in the storage cavity and is fixedly connected to the base, the handle is provided with a linkage part, a connecting part and a holding part in sequence along its length direction, the handle is arranged in the storage cavity and the connecting part of the handle is rotatably connected to the support shaft, the electric drive assembly is installed and fixed on the base, the linkage assembly connects the storage cavity and the linkage part of the handle, the electric drive assembly is connected to the linkage assembly and is used to drive the linkage assembly to movably pull the linkage part of the handle to swing toward the inner wall of the storage cavity so that the holding part of the handle swings out of the storage cavity in the opposite direction, the return spring is installed at the rotation connection between the connecting part of the handle and the support shaft and is used to drive the handle to automatically reset, and the controller is fixed on the base and electrically connected to the electric drive assembly.

2. The vehicle hidden door handle according to claim 1, characterized in that: The linkage assembly includes a pull rope, a first linkage ball, and a second linkage ball, one end of the pull rope is fixedly connected to the first linkage ball, and the other end of the pull rope is fixedly connected to the second linkage ball, the electric drive assembly includes a motor, a screw rod, a movable sleeve, and a connecting block, the inner hole wall of the movable sleeve is provided with a thread matching the screw rod, the screw rod is threadedly connected to the inside of the movable sleeve, the connecting block is fixed to the end of the movable sleeve, the linkage part of the handle is provided with a first limiting cavity adapted to the first linkage ball, the first linkage ball is installed in the first limiting cavity to be limited, the connecting block is provided with a second limiting cavity adapted to the second linkage ball, the second linkage ball is installed in the second limiting cavity to be limited, the motor is connected to the end of the screw rod to drive the screw rod to rotate so that the movable sleeve reciprocates along the length direction of the screw rod, drives the pull rope to move, and swings the linkage part of the handle toward the inner wall of the storage cavity, and the motor is connected to the controller signal.

3. The vehicle hidden door handle according to claim 2, characterized in that: The electric drive assembly also includes a guide sleeve, which is sleeved with the lead screw and the movable sleeve and fixedly connected to the motor. The inner wall of the guide sleeve is recessed with a guide groove extending along its length direction, and the outer wall of the movable sleeve is provided with a guide ridge matching the guide groove, and the guide ridge is embedded in the guide groove and slides.

4. The vehicle hidden door handle according to claim 2, characterized in that: The storage chamber is arranged on one side of the base, the motor is installed on the other side of the base, and the screw rod is parallel to the length direction of the handle. The base is provided with a limiting channel adapted to the pull rope on the side where the motor is located, one end of the limiting channel is connected with the second limiting chamber, the limiting channel extends to the linkage part corresponding to the handle, and the base is provided with an opening connected to the storage chamber at one end of the limiting channel away from the second limiting chamber, the pull rope penetrates into the limiting channel to move and be limited, and the opening is for the first linkage ball to penetrate into the storage chamber.

5. The vehicle hidden door handle according to claim 4, characterized in that: The base is rotatably provided with a turning column at the connection point between the opening and the limiting channel, and the turning column abuts against the pull rope to support the movement of the pull rope.

6. The vehicle hidden door handle according to claim 1, characterized in that: The handle includes a handle body, a cover body and a light strip. A mounting groove extending along the length direction of the handle body is recessed on one side. The light strip is installed in the mounting groove. The cover body covers the mounting groove and is fixedly connected to the handle body to close the mounting groove. The cover body is made of light-transmitting material. The light strip is electrically connected to the controller.

7. The vehicle hidden door handle according to claim 1, characterized in that: It also includes a mechanical push-to-expand mechanism, which is fixed on the base and connected to the storage cavity and one end of which abuts against the gripping portion of the handle. When the gripping portion of the handle is pressed, the mechanical push-to-expand mechanism is triggered to release and extend, and overcomes the resistance of the return spring to push the gripping portion of the handle to swing out of the storage cavity.

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