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CN-117145327-B - Concealed handle

CN117145327BCN 117145327 BCN117145327 BCN 117145327BCN-117145327-B

Abstract

The invention discloses a hidden handle, which comprises a base and a handle body attached to the base, wherein an opening is formed in the base and used for enabling the handle body to move between a closed position and an open position, the handle body is arranged to be actuated by a hand to further pull a vehicle door in the open position, a transmission assembly used for driving the handle to act is further arranged in the base, the transmission assembly comprises a linear driver, a first connecting rod, a second connecting rod, a transmission rod and a transmission rod, one end of the first connecting rod is hinged to the rear part of the handle body, the other end of the first connecting rod is linearly restrained to slide on the base, the output end of the linear driver presses the linear end of the first connecting rod, one end of the second connecting rod is hinged to the front part of the handle body, the other end of the transmission rod is linearly restrained to slide on the base, the end of the transmission rod is connected with the linear end of the first connecting rod through a first pin, and the other end of the transmission rod is connected with the linear end of the second connecting rod through a second pin, and the sliding directions of the first connecting rod, the second connecting rod and the transmission rod and the linear end of the transmission rod are mutually parallel or nearly parallel.

Inventors

  • QI JINGCHAO
  • YAN QIAOLING

Assignees

  • 宁波华德汽车零部件有限公司

Dates

Publication Date
20260508
Application Date
20230831

Claims (10)

  1. 1. A hidden handle comprising a base (1) and a handle body (19) attached to the base (1), wherein the base (1) is provided with an opening (1.8) for the handle body (19) to move between a closed position and an open position, the handle body (19) is arranged to be actuated by a handle part in the open position to pull a vehicle door, a transmission assembly for driving the handle to move is also arranged in the base (1), The transmission assembly includes: a linear driver (9) for providing a driving force; One end of the first connecting rod (2) is hinged at the rear part of the handle body (19), the other end of the first connecting rod is linearly restrained to slide on the base (1), and the output end of the linear driver (9) presses the linear end of the first connecting rod (2) or the transmission rod (4); one end of the second connecting rod (3) is hinged to the front part of the handle body (19), and the other end of the second connecting rod is linearly restrained to slide on the base (1); The end part of the transmission rod (4) is connected with the linear end of the first connecting rod (2) through a first pin shaft (5), and the other end part of the transmission rod is connected with the linear end of the second connecting rod (3) through a second pin shaft (6); the sliding directions of the first connecting rod (2), the second connecting rod (3), the transmission rod (4) and the linear ends thereof are parallel to each other or approach to parallel arrangement, a track (1.1) used for guiding and restraining the transmission assembly to slide linearly is arranged in the base (1), and a slideway used for guiding the first pin shaft (5) and the second pin shaft (6) to slide is arranged on the base (1).
  2. 2. The hidden handle of claim 1, wherein: The reset assembly further includes a reset unit that maintains a force to be applied toward the closed position, the reset unit applies a force to the linear end with respect to linearity, and/or the reset unit applies a force between the linear end and the hinged end with respect to a rotational closing direction.
  3. 3. The hidden handle of claim 2, wherein: the resetting unit is a tension spring (7), and the tension spring (7) is parallel to the action direction of the linear driver (9); The reset unit refers to a reset rod (8) provided with a torsion spring, the reset rod (8) is provided with a mounting shaft end (8.1) positioned below the hinged end in the closed position and a reset action end (8.2) connected with the first connecting rod (2) or the second connecting rod (3), the torsion spring is arranged at the mounting shaft end (8.1), and the reset action end (8.2) applies bias to the middle position between the linear end and the hinged end.
  4. 4. The hidden handle of claim 1, wherein: the rail (1.1) has a component part located between the first link (2) and the transmission link (4), which is at least partially embedded in the rotational part of the first link (2) or the second link (3), and on which a guide surface (10.1) is provided, which guide surface (10.1) matches the contour path of the rotational part moving from the closed position to the open position and remains mutually received.
  5. 5. The hidden handle of claim 1, wherein: the base (1) comprises a hard upper seat (11) and a soft lower seat (12) which are spliced with each other, and a soft sealing frame (20), wherein the opening (1.8) is formed at the upper seat (11), the sealing frame (20) is integrally formed at the periphery of the opening (1.8), and the upper seat (11) and the sealing frame (20) are formed by two-color injection molding.
  6. 6. The hidden handle of claim 1, wherein: The transmission rod (4) is provided with a first inertial lock (15) corresponding to the linear end of the first pin shaft, and/or the transmission rod (4) is provided with a second inertial lock (16) corresponding to the linear end of the second pin shaft, and the first inertial lock (15) and the second inertial lock (16) stop under the action of collision force and are prevented from being in the action stroke of the corresponding linear ends.
  7. 7. The hidden handle of claim 6, wherein: The first inertial lock (15) comprises: the first rotating seat (15.1) is provided with an avoidance groove (15.2) which is in butt joint with the linear end in a normal state; The stop part (15.3) is formed on the first rotating seat (15.1) and stops in the motion track of the linear end under the action of collision force, the base (1) is provided with the locking matching block (15.5), and the stop part (15.3) rotates under the action of collision force, is abutted or blocked with the locking matching block (15.5) and keeps the stop part (15.3) blocked in the motion track of the linear end.
  8. 8. The hidden handle of claim 6, wherein: The second inertial lock (16) comprises a second swivel mount (16.1), a guide groove (16.2) matched with the action track of the linear end is arranged on the second swivel mount (16.1), at least one clamping groove is arranged in the opening direction of the guide groove (16.2) relative to the linear end, and the second pin shaft and the clamping groove are oppositely jointed under the action of collision force so as to stop the linear end to act.
  9. 9. The hidden handle of claim 8, wherein: The base (1) is provided with an attachment groove (1.4) matching the profile of the detent groove, said attachment groove being arranged to allow the second pin to enter under the effect of a collision force.
  10. 10. A hidden handle as claimed in claim 1, wherein a third swivel mount (18) actuated by the first pin is provided on the base (1), a pull wire for driving the handle body (19) to unlock is connected to the third swivel mount (18), the third swivel mount is configured to be driven to rotate by the linear action of the first pin, a third inertial lock (17) is further provided on a side of the base (1) corresponding to the third swivel mount (18), the third inertial lock (17) is disposed perpendicular to the rotation axis of the third swivel mount (18), and the third inertial lock (17) is configured to be stopped within the opening track of the third swivel mount (18) under the action of collision force.

Description

Concealed handle Technical Field The invention relates to the technical field of automobile parts, in particular to a hidden handle. Background At present, along with the increasing of electrified integration of automobiles, a hidden handle is widely applied to various automobile types, and the handle can be retracted to the surface of a vehicle door in a driving state and is flush with the vehicle door, so that the effects of reducing wind noise and wind resistance are achieved, and in a vehicle locking state, the handle body is also positioned at the hidden position, so that the aesthetic degree and the technological sense of the whole automobile are improved. The hidden door handle generally comprises a handle base, a handle body moving relative to the handle base and a driving assembly for driving the handle body to move between a hidden position and an open position, wherein for some flat-out type handle bodies, namely the handle body moves to the open position in a posture parallel to the normal direction of a door, rotating arms are respectively arranged at two ends of the handle body, and the two rotating arms are driven to rotate by the driving assembly to realize the flat-out opening of the handle body; The handle body is easy to block in the opening process due to too many action parts of the existing driving assembly, and the limiting and guiding structures are difficult to arrange in the limited space of the handle base due to the fact that the rotating arms rotate on the rotating shafts of the rotating arms, on the other hand, in order to achieve the mutual matching of the rotating arms and the transmission parts, a plurality of mutually connected rotating shafts are needed to be arranged between the rotating arms, so that vibration and noise of the handle body and the transmission parts thereof in the opening and returning processes are further increased; In the process of returning the handle body, the torsion spring generally acts on the rotating shaft of the rotating arm, the rotating shaft is generally positioned at the top of the rotating arm, the rotating arm is only supported by the rotating shaft, the positioning support leg of the torsion spring is easy to generate fatigue, so that the rotating arm is vibrated, and the possibility of collision noise during returning or in-place is further improved by the factors; When the car body collides, the handle body is forced to be unlocked or forced to be opened due to the fact that the rotating arm moving inside and the plurality of hinge joint matching shaft points on the rotating arm inevitably generate excessive rotation and movement of the inner components, so that the damage of parts of the car is further increased. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide a hidden handle. The technical aim of the invention is achieved by a hidden handle comprising a base and a handle body attached to the base, wherein the base is provided with an opening for the handle body to move between a closed position and an open position, the handle body is arranged to be actuated by a hand in the open position to pull a vehicle door, a transmission assembly for driving the handle to move is also arranged in the base, and the transmission assembly comprises: a linear driver for providing a driving force; One end of the first connecting rod is hinged to the rear part of the handle body, the other end of the first connecting rod is linearly restrained to slide on the base, and the output end of the linear driver presses the linear end of the first connecting rod; One end of the second connecting rod is hinged to the front part of the handle body, and the other end of the second connecting rod is linearly restrained to slide on the base; the end part of the transmission rod is connected with the linear end of the first connecting rod through a first pin shaft, and the other end part of the transmission rod is connected with the linear end of the second connecting rod through a second pin shaft; The sliding directions of the first connecting rod, the second connecting rod and the linear end of the transmission rod are parallel or nearly parallel. Further, a reset assembly is also included, the reset assembly including a reset unit that maintains a force to be applied toward the closed position, the reset unit applying a force to the linear end of the first link or the second link with respect to linearity, and/or the reset unit applying a force between the linear end and the hinged end of the first link or the second link with respect to a rotational closing direction. Further, the reset unit refers to a tension spring, and the tension spring is parallel to the action direction of the linear driver; the reset unit refers to a reset lever provided with a torsion spring, the reset lever is provided with a mounting shaft end positioned below the hinged end at the closed position and a reset action end connec