KR20200071263A - retractable door handle - Google Patents

Abstract

Provides is a retractable door handle which can be used in a freezing environment to improve usability. The retractable door handle comprises: a door case part disposed on a door and having one side opened and an accommodation space formed therein; a grip part provided to form an outer surface profile substantially continuous with an outer surface of the door when inserted into the accommodation space, and including a grip body selectively popped up from the accommodation space and an extension body extending integrally from one end of the grip body toward the inside of the door case part; a pop-up driving part connected to an actuator provided on one side of the door case part and selectively pressing the extension body so that the grip body firstly can rotate to be popped up; and a latch part having one end pressed by the extension body and the other end connected to a wire for providing a tensile force to rotate so that a door locking device can be opened and closed when the grip body, which has been firstly rotated and popped up, is secondly rotated and pulled toward the outside of the door case part.

Description

Retractable door handle

The present invention relates to a retractable door handle, and more particularly, to a retractable door handle which is provided to be used even in an icing environment to improve usability.

In general, the interior space of a vehicle is opened and closed by a plurality of doors. The door handle of the vehicle is provided with a door handle on the outside so that the occupant grips the door handle to open and close the door.

Here, since the door handle provided for the occupant to grip on the door of the vehicle is installed in a form protruding to the outside, wind noise is generated due to wind, which increases noise and degrades driving performance due to air resistance when driving the vehicle.

In order to solve this, recently, research and development have been conducted on a door handle for a vehicle that can minimize wind interference or wind noise while driving by selectively inserting a door handle that protrudes outside the door of the car into the inside of the door. That is true.

In detail, the door handle may be provided to selectively pop up and insert into a recessed space formed by opening one surface on one side of the door. Here, when the door handle is inserted into the door, the door handle and the outer surface profile of the door may be formed into a substantially continuous surface to form a beautiful appearance.

In addition, when the door handle pops up from the recessed space of the door, the user can pull the door handle to release the locking device. At this time, in order to release the latch of the locking device provided inside the door, the door handle may be provided to be hinged and pullable.

However, when freezing occurs on the surface of the door due to a rapid drop in the cold or the temperature, the user can not board the vehicle because the door handle does not pop up from the recessed space of the door. there was.

Korean Registered Patent No. 10-1637820

In order to solve the above problems, the present invention is to provide a retractable door handle that is provided to be used even in an icing environment to improve the convenience of use.

In order to solve the above problems, the present invention is disposed on the door, the door case portion having one surface open and an accommodation space formed therein; When inserted into the accommodation space, it is provided to be formed into a substantially continuous exterior profile with the outer surface of the door, and a grip body selectively popped up from the accommodation space, and integrally inward from the one end of the grip body to the inside of the door case part. A grip portion including an extended body; A pop-up driving part selectively pressurizing the extension body so that the grip body is first rotated and popped up as it is connected to an actuator and rotated; And a wire which provides a tensile force to the other side while being pressed by the extension body so that the door locking device is opened and closed during the second rotation in which the grip body in the first rotated pop-up state is pulled outward in the door case part. It provides a retractable door handle including a latch that is rotated.

On the other hand, the present invention is disposed on the door, the door case portion having one surface open and an accommodation space formed therein; When inserted into the accommodation space, it is provided to be formed into a substantially continuous exterior profile with the outer surface of the door, and a grip body selectively popped up from the accommodation space, and integrally inward from the one end of the grip body to the inside of the door case part. A grip portion including an extended body; A plurality of heating elements are provided in the grip body to selectively freeze the surface of the grip body so that the grip body pops up in the freezing environment, and the heating body is provided along the surface of the grip body, but when the heating element is heated, the grip body A heat-conducting sheet for diffusing heat on the surface, and a heat-generating part including a power supply for supplying power to the heating element; A pop-up driving part connected to an actuator provided on one side of the door case part to selectively press the extension body so that the grip body is first rotated and popped up; One side is pressed by the extension body so that the door locking device is opened and closed during the second rotation in which the grip body in the first rotated pop-up state is pulled toward the outside of the door case part, but a wire providing a tensile force is connected to the other side. A latch part rotated; An access detection sensor that detects an approach when the separately provided smart key approaches within a predetermined distance from the door case unit; And a control unit configured to detect the freezing of the grip body to selectively drive the heat of the heating unit, and to control the actuator such that the grip body pops up from the accommodation space when the proximity sensor detects the smart key. Provides a trolley door handle.

Through the above solution, the present invention provides the following effects.

First, when the smart key is approached by the proximity sensor, when the actuator is electrically controlled, the grip body is first rotated from the receiving space and popped up by the link part rotated interlocked, and when the first popped grip body is pulled by the user Since it is rotated a second time, the locking of the door locking device is released, so that the usability and operation precision can be improved.

Second, since the locking state of the locking device is maintained regardless of whether or not the grip body is popped up selectively by the pop-up driving part including the actuator and the link part, unintentional automatic unlocking of the locking device is prevented beforehand, and the safety of use is significantly It can be improved.

Third, the grip body through the opening from the receiving space as the surface of the grip body is thawed even in an extreme freezing environment through a heating unit that detects whether or not ice on the grip body surface of the grip portion is generated and heats when ice occurs. Since it is possible to pop up, the usability can be significantly improved.

Fourth, when the grip body of the grip portion is completely inserted into the accommodation space, wind noise caused by wind is prevented and noise is reduced as the outer profile of the grip body and the door is formed as a substantially continuous surface, and noise is reduced. This can be improved.

Fifth, since the grip body is rotated on the basis of the grip rotation axis by the actuator of the pop-up driving part, and when popping up, the outer surface of the inclined body is disposed in a substantially continuous profile with the outer surface of the door, so that aesthetics can be significantly improved.

1 is an exemplary view showing a state of use of a retractable door handle according to an embodiment of the present invention.
Figure 2 is a perspective view showing a retractable door handle according to an embodiment of the present invention.
Figure 3 is a perspective view showing a heating portion is partially projected grip portion of the retractable door handle according to an embodiment of the present invention.
Figure 4 is a perspective view of the interior of the retractable door handle according to an embodiment of the present invention.
5 and 6 and 7 are sectional views showing the state of use of the retractable door handle according to an embodiment of the present invention as viewed from the rear.
8 is a block diagram showing a retractable door handle according to an embodiment of the present invention.

Hereinafter, a retractable door handle according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is an exemplary view showing a use state of a retractable door handle according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a retractable door handle according to an embodiment of the present invention. And, Figure 3 is a perspective view showing a heat generating portion is partially projected by the grip portion of the retractable door handle according to an embodiment of the present invention, Figure 4 is the interior of the retractable door handle according to an embodiment of the present invention It is a perspective view. And, Figures 5 and 6 and 7 is a cross-sectional view showing the state of use of the retractable door handle according to an embodiment of the present invention viewed from the rear, Figure 8 is a retractor according to an embodiment of the present invention It is a block diagram showing the door handle.

1 to 8, the retractable door handle 400 according to an embodiment of the present invention includes a door case part 310, a grip part 320, a pop-up driving part 330, and a link part 340. , It is preferable to include a latch unit 360, a control unit 370, and a heating unit 380.

In one embodiment of the present invention, the door case portion 310 is preferably understood as illustrated and described as a door device that is provided and selectively opened and closed for each door of the vehicle, and the door case portion 310 is a door provided in the vehicle. It is not necessarily limited to the device. That is, it is preferable to understand that the retractable door handle 400 of the present invention is applicable to a general door device as well as a door device of a vehicle. Also, in the present invention, it is preferable that the door case part 310 is not separately provided and that the receiving space is recessed so that each component of the present invention is disposed on the outer frame of the door itself is included in the scope of the present invention. Do. Hereinafter, a case in which the door case unit 310 according to an embodiment of the present invention is provided and mounted on a vehicle door will be described as an example.

On the other hand, the door case portion 310 is mounted on the door, an opening 313 is formed on one side of the outer surface of the door case portion 310 to accommodate the grip portion 320, the door case portion 310 It is preferable that the receiving space 311 is formed to be recessed in the inner direction.

Here, the door case part 310 may be provided to have a predetermined thickness and width to form the accommodation space 311. In addition, the accommodation space 311 is preferably formed to exceed the length in the front-rear direction of the grip portion 320, the edge of the opening 313 side of the door case portion 310 is fine with the side surface of the grip portion 320 They can be spaced apart. Accordingly, the grip portion 320, the pop-up driving portion 330, the link portion 340, and the retractable door handle 400 in the accommodation space 311 formed in the door case portion 310 The latch part 360 may be disposed.

In addition, the accommodation space 311 is protruded upward from the lower surface of the door case part 310 so that the latch part 360 is fixed, but a protruding frame 315 formed with a through hole 315a in the front-rear direction. ) May be provided.

In addition, the accommodation space 311 is provided with a bar shape so that the wire (w) providing a tensile force so that the door locking device (not shown) is opened, a winding protrusion (not shown) disposed in the front-rear direction is formed. It might be.

In addition, the height of the upper frame 316 of the receiving space 311 is increased toward the outer side of the door case part 310 from the inside of the receiving space 311 so that the rotation range of the link part 340 is limited. Can be formed. Here, an extension frame 316a may be formed at an upper portion of the accommodation space 311 to protrude downward from an inner portion of the upper frame 316 and penetrate a rotation hole in the front-rear direction.

Moreover, in some cases, in the receiving space 311, a link stopper (not shown) disposed in at least one of the upper and lower sides of the link portion 340 to limit the rotational range of the link portion 340 (not shown) May be further provided.

Meanwhile, the grip part 320 preferably includes a grip body 321 and an extended body 322 integrally formed with the grip body 321. In an embodiment of the present invention, when the arrangement shape of the grip body 321 and the extension body 322 of the grip part 320 is viewed from the front or rear part of the vehicle, it is illustrated and described in a “a” shape, It may be provided in a "b", "c" shape, and the like, but is not limited thereto. In the following, it is preferable to understand that the grip part 320 according to an embodiment of the present invention is described in the shape of a letter “a”.

In addition, the grip body 321 is preferably provided to be formed into a substantially continuous outer surface profile with the outer surface of the door or the door case portion 310 of the vehicle when inserted into the accommodation space 311. At this time, it is most preferable that the grip body 321 is completely inserted into the accommodating space 311 when the vehicle is running and when the vehicle is turned off, so that the outer surface is formed to have a substantially continuous profile with the outer surface of the door.

Here, the grip body 321 may be provided in the form of a flat plate such as a rectangular parallelepiped, and the height and width of the outer surface of the grip body 321 is such that the door is opened so that the opened one surface of the accommodation space 311 is completely covered. It is preferably formed substantially corresponding to the size of the edge portion of the opening portion 313 of the case 310.

Accordingly, when the vehicle is driving, when the grip body 321 of the grip part 320 is completely inserted into the accommodation space 311 of the door case part 310, the outer surface profiles of the grip body 321 and the door are substantially continuous surfaces. As it is formed, wind noise caused by wind is prevented to reduce noise inside the vehicle, and driving performance of the vehicle may be improved according to air flow improvement.

In addition, a recessed space may be recessed in the inner direction of the door case part 310 so that the heat conductive sheet 384 of the heating part 380 is disposed on the outer surface of the grip body 321, and the recessed space is formed. A cover part for covering may be further provided.

In addition, the grip portion 320 is preferably rotated selectively based on an edge where the upper end of the grip body 321 and the outer end of the extension body 322 abut. In detail, the grip portion 320 is provided with a grip rotation shaft 320a, wherein the grip rotation shaft 320a has the grip at an edge where an upper end of the grip body 321 and an outer end of the extension body 322 abut. It is preferably inserted into a hole formed along the longitudinal direction of the body 321, that is, in the front-rear direction of the vehicle, and both ends of the longitudinal direction are preferably provided to be rotated and fixed inside the door case part 310.

Here, the grip body 321 is selectively through the opening 313 by a predetermined length in the outward direction of the door case part 310 from the accommodation space 311 based on the grip rotation axis 320a. It is desirable to rotate and pop up. At this time, the pop-up means that the grip body 321 of the grip part 320 is drawn outwardly of the door case part 310, but is rotated and drawn based on the grip rotation shaft 320a.

In addition, the grip body 321 is the extension body 322 formed integrally with the grip body 321 by the link portion 340 is rotated first when pressed, pops up from the accommodation space 311, It can be rotated secondarily as it is pulled in the outward direction of the door case part 310 by the user in the state of being firstly rotated and popped up. At this time, the angle that is rotated during the first rotation from the state where the grip body 321 is fully inserted into the accommodation space 311 is secondary from the state where the grip body 321 is fully inserted into the accommodation space 311. It is desirable to understand that it is formed smaller than the angle that is rotated during rotation.

In addition, a grip space in which a user's finger is inserted may be formed between the lower inner side of the grip body 321 and the outer side of the inclined body 323 to be described later. Accordingly, when a user inserts a finger into the grip space and pulls the grip body 321 toward the outside of the door case part 310, a door locking device (not shown) may be opened. Detailed description will be described later.

On the other hand, the extension body 322 is preferably formed integrally extending from the at least one side of the grip body 321, that is, at least one side of the upper or lower portion in the inner direction of the door case 310. Hereinafter, the case where the extended body 322 extends integrally from the upper end of the grip body 321 to the inner direction of the door case 310 will be illustrated and described as an example.

In addition, each of the extended body 322 is preferably disposed substantially perpendicular to the grip body 321 and is provided in a flat plate shape such as a rectangular parallelepiped. In this case, substantially vertical means that the extended body 322 is disposed to be inclined at a certain predetermined angle close to the grip body 321 and perpendicular, and the interface between the grip body 321 and the extended body 322 When the outer side is formed to be round, it is preferable to understand in a comprehensive sense.

In addition, when the grip body 321 pops up, the inner end of the extension body 322 integrally formed with the grip body 321 is caught at the upper end of the protruding frame 315, so that the maximum range of pop-up may be limited. .

In addition, when the grip body 321 is completely inserted into the accommodation space 311, the opening of the outer end of the extension body 322 is formed to a predetermined thickness along the inside and outside directions of the door case part 310. The insertion range of the grip body 321 may be limited as it is caught by the 313.

Meanwhile, the grip part 320 may further include the inclined body 323. In detail, the inclined body 323 is protruded from the edge of the upper end of the grip body 321 and the outer end of the extended body 322 to be inclined between the inner and lower directions of the door case part 310. desirable.

And, when the grip body 321 pops up from the accommodation space 311 through the opening 313, the inclined body 323 is arranged such that the outer surface is formed to be substantially continuous with the outer surface of the door. desirable.

On the other hand, when the grip body 321 is completely inserted into the accommodation space 311, the inclined body 323 is rotated in the inner direction of the door case part 310, so that it is inside the accommodation space 311. It is preferred to be inserted.

At this time, the inclined body 323 is preferably disposed outside of the protruding frame 315, when the grip body 321 is completely inserted into the receiving space 311, the inclined body 323 is the protruding frame Since it is locked by 315, the insertion range in which the grip part 320 is inserted into the door case part 310 may be limited.

Here, the angle between the grip body 321 and the inclined body 323 is at an angle at which the grip body 321 is rotated from the outer surface of the door case part 310 toward the outside of the door case part 310. It is preferably formed at a corresponding angle.

In addition, the angle between the grip body 321 and the inclined body 323 is the position of the link portion 340 and the grip portion 320 is accommodated when the grip portion 320 pops up from the accommodation space 311. When fully inserted into the space 311, it is preferable that it is set to correspond to the angle between the positions of the link portion 340.

Accordingly, the grip body 321 is rotated based on the grip rotation axis 320a by the actuator 331 of the pop-up driving part 330, and when pop-up, the outer surface of the inclined body 323 is the outer surface of the door And since it is arranged in a substantially continuous profile, the aesthetics of the product can be significantly improved.

Meanwhile, the pop-up driving part 330 is disposed inside the door case part 310 or inside the door, and the grip part 320 is first rotated through the link part 340 to receive the space 311. It is preferable to selectively press the extension body 322 to pop up from.

Here, the pop-up driving unit 330 is provided inside the door or inside the door case 310 to be driven to pop up the grip body and the actuator 331, and is connected to the actuator 331 to selectively rotate It is preferable to include the drive shaft portion 332 and the link portion 340.

In detail, the actuator 331 may be provided in a hollow cylindrical shape or the like, and one surface in the longitudinal direction may be opened and disposed inside the door. In addition, the actuator 331 is disposed such that one surface in the longitudinal direction is opposite to the rear surface of the door case part 310, and the opened one surface is preferably arranged toward the arrangement direction of the grip part 320. In addition, the actuator 331 is illustrated and described as being disposed through the inside of the door and the inside of the door case part 310, but the placement position is not limited thereto.

On the other hand, the drive shaft portion 332 may be provided in a cylindrical shape or the like corresponding to the shape of the actuator 331, the outer diameter of the drive shaft portion 332 is formed to substantially correspond to the inner diameter of the actuator 331 This is preferred.

In addition, it is preferable that the driving shaft portion 332 has one end inserted into the actuator 331 and the other end disposed in an exposed state from the actuator 331 and connected to the link portion 340 described later. .

In addition, the drive shaft portion 322 is selectively rotated corresponding to the drive of the actuator 331, is disposed along the front-rear direction of the door case portion 310, the inner end of the extending body 322 from the It is preferable to be spaced apart at predetermined intervals in the inner direction of the door case part 310. At this time, the grip body 321 may be disposed at a height corresponding to the arrangement height of the extension body 322 when fully inserted into the accommodation space 311.

Accordingly, the driving shaft portion 332 may be rotated in any one of the forward direction and the reverse direction by using the actuator 331 as a rotation axis in the longitudinal direction of the actuator 331. Here, if the drive shaft portion 332 is configured to be selectively rotated by the actuator 331 is not limited thereto.

Through this, when a control signal is received through the control unit 370 and the access detection sensor 371 to be described later in the actuator 331, the actuator 331 is the drive shaft unit so that the drive shaft unit 332 is rotated ( 332), so the operating precision can be significantly improved.

Meanwhile, the pop-up driving unit 330 preferably includes the link unit 340. Here, the link portion 340 is provided in a flat plate shape such as a rectangular parallelepiped, and the length in the front-rear direction may be provided corresponding to the length in the front-rear direction of the grip body 321.

In addition, the link portion 340 may protrude radially outward from the drive shaft portion 332. Here, as the upper portion of the extension body 322 is selectively pressed by the link portion 340 that is interlocked and rotates when the drive shaft portion 332 is rotated, the grip body 321 is removed from the accommodation space 311. It may be first rotated through the opening 313 and popped up.

In addition, the link portion 340 may be provided so that the inner end is hinged to the rotation hole of the extension frame 316a and selectively rotated. At this time, the extension frame 316a is protruded downward from the inner portion of the upper frame 316 to the upper portion of the accommodation space 311, and the rotation hole can be formed through the extension frame 316a in the front-rear direction. have.

In addition, the link portion 340 is preferably provided with a predetermined length in the outer direction of the door case portion 310 so that the outer end selectively presses the upper portion of the extension body 322. At this time, the outer end of the link portion 340 is disposed on the upper portion of the extension body 322, the inner end of the link portion 340 is the drive shaft portion disposed inside the door case portion 310 ( 332) is preferably disposed.

In addition, the link portion 340 has an outer end disposed between the upper portion of the extension body 322 and the lower portion of the upper frame 316, the upper frame 316 may limit the upward movement range.

Of course, in some cases, the link portion 340 may be linked to the extension body 322 by hinge rotation, and the link portion 340 is provided with a plurality of members having a bar shape, not a rectangular parallelepiped shape, and the drive shaft. It may be individually connected to the portion 332.

In addition, depending on the case, one side of the inner end of the link part 340 may be hinged to the rotation hole, and the other end of the link part 340 may be provided to be engaged with the drive shaft part 332. In other words, the link portion 340 does not protrude radially outward from the drive shaft portion 332, but a separate shaft outer circumference formed at the inner end of the link portion 340 is the outer circumference of the drive shaft portion 332 It may be provided in a gear-engaged configuration in engagement with. Here, a toothed gear for rotation engaged with the outer circumference of the other side of the inner end of the link portion 340 and the outer circumference of the drive shaft portion 332 may be formed. Accordingly, when the drive shaft portion 332 is rotated by the actuator 331, the link portion 340 may be rotated in gear linkage.

On the other hand, the retractable door handle 400 is preferably a smart key (not shown) of a separately provided vehicle further comprises an approach detection sensor 371 that detects an approach when approaching within a predetermined distance from the vehicle.

Here, the proximity sensor 371 may be provided as a Light Detection And Ranging (LIDAR) sensor, Radio Frequency Identification (RFID), or the like, and may be provided to be embedded in the grip part 320. At this time, the approach detection sensor 371 may be installed in the front and rear of the side mirror and the vehicle when installed in the vehicle, or may be installed in the interior of the door or the door case unit 310 in some cases.

Accordingly, when a user who has a smart key (not shown) approaches the access detection sensor 371 within a predetermined radius distance, the access detection sensor 371 detects the access of the smart key (not shown). Can be.

In the Republic of Korea Registered Patent Publication (Registration No. 10-1302944)'Vehicle Recognition Method and Apparatus', since the contents of obtaining distance information from an actual vehicle in a specific direction using a LIDAR sensor are disclosed, a detailed description thereof is provided. Is omitted.

In addition, the retractable door handle 400 is the pop-up driving unit so that the grip body 321 pops up from the accommodation space 311 when the proximity sensor 371 detects the smart key (not shown). It is preferable to include the control unit 370 for controlling the 330. In detail, the control unit 370 controls the actuator 331 so that the grip body 321 pops up from the accommodation space 311 when the proximity sensor 371 detects the smart key (not shown). It is preferable to transmit.

Here, it is preferable that the actuator 331 is selectively driven and controlled in the forward and reverse directions, and as the actuator 331 is driven and controlled, the drive shaft part 332 and the link part 340 interlocked therewith are driven by the drive shaft. It can be rotated in the forward and reverse directions based on the longitudinal axis of the portion 332.

At this time, as illustrated in FIGS. 5 to 7, the forward direction means a case in which the link portion 340 is rotated clockwise when the retractable door handle 400 is viewed from the rear side. It is preferable to understand that the reverse direction means that the link part 340 is rotated counterclockwise. In addition, it is preferable to understand the above-described forward and reverse directions as examples described in an embodiment of the present invention, and it is understood that the configuration in which the forward and reverse directions of the pop-up driving unit 330 are mutually switched is also included in the scope of the present invention. This is preferred.

In detail, the control unit 370 is the pop-up driving unit 330 so that the grip unit 320 is completely inserted into the accommodation space 311 when the door case unit 310 is moved, that is, when the vehicle is running and when the vehicle is powered off. It is preferable to control the reverse drive for a predetermined time. Here, when the pop-up driving unit 330 is driven in the reverse direction, the link body 340 interlocked with the actuator 331 is rotated in the reverse direction so that the pressure of the extension body 322 is released, so that the grip body 321 is the It may be completely inserted into the accommodation space 311.

At this time, a separate elastic member (not shown), such as a torsion spring, may be further provided to elastically restore the grip body 321 so as to be completely inserted into the accommodation space 311 side. In addition, a separate sensor (not shown) for detecting movement of the vehicle or the door case unit 310 and power-off of the vehicle may be further provided. Through this, when a signal for the movement of the vehicle or the door case unit 310 and the power-off of the vehicle is transmitted to the control unit 370, the pop-up driving unit 330 may be controlled to be driven in the reverse direction for a predetermined time. have.

Accordingly, wind noise caused by wind is prevented as the grip body 321 is completely inserted into the accommodation space 311 when the door case portion 310 is moved, that is, when the vehicle is running and when the vehicle is powered off. The noise inside is reduced and the driving performance of the vehicle can be improved according to the improvement of air flow.

In addition, the control unit 370, when the proximity sensor 371 detects the smart key (not shown) and when the door is opened or closed or the vehicle is stopped, the grip body 321 is from the accommodation space 311. It is preferable that the pop-up driving unit 330 is forward-controlled for a predetermined time so that it is firstly rotated for a predetermined length to pop up. Here, when the pop-up driving unit 330 is driven in the forward direction, the grip unit 321 is the receiving space as the link unit 340 interlocked with the actuator 331 is rotated in the forward direction and presses the extension body 322. It may be first rotated from 311 and popped up.

Here, when the proximity detection sensor 371 detects the smart key (not shown), a detection signal may be transmitted from the proximity detection sensor 371 to the control unit 370. Through this, as the smart key (not shown) is approached within a predetermined radius range of the proximity sensor 371, the pop-up driving unit 330 may be controlled to be driven forward for a predetermined time.

Thus, when the pop-up driving unit 330, the control unit 370, and the grip body 321 in the state inserted into the accommodation space 311 through the mutual configuration of the access sensor 371 is required to pop up Since it is selectively popped up from the accommodation space 311 through the opening 313, the usability can be remarkably improved.

Here, when the grip body 321 is first rotated from the accommodation space 311 to pop up, it is desirable to understand that the lock state of the door locking device (not shown) provided in the door case part 310 is maintained and popped up. Do. Detailed description will be described later.

On the other hand, the pop-up process of the grip body 321 according to an embodiment of the present invention is as follows.

First, referring to FIG. 5, when the door case portion 310 is moved, that is, when the vehicle is running and when the vehicle is powered off, the grip body 321 in a popped state is completely inserted into the accommodation space 311. The control unit 370 preferably controls the actuator 331 for reverse driving for a predetermined time.

Here, as the driving shaft portion 332 is rotated by the actuator 331 when the actuator 331 is driven in the reverse direction, the link portion 340 is rotated in the reverse direction, and the extension body by the link portion 340 is rotated. (322) It is preferable that the upper pressure is released.

Through this, as the actuator 331 is driven in the reverse direction, the grip body 321 may be completely inserted into the accommodation space 311. Here, when the grip body 321 is completely inserted into the accommodation space 311, the outer surface of the door case part 310 and the outer surface of the grip body 321 may be formed into a continuous outer surface profile.

Meanwhile, referring to FIG. 6, when the proximity sensor 371 detects the smart key (not shown) and the door is opened or closed or the vehicle is stopped, the grip body 321 from the accommodation space 311. It is preferable that the control unit 370 forward-controls the actuator 331 for a predetermined time so that it is rotated and popped up by a predetermined length.

Here, when the actuator 331 is driven in the forward direction, the link part 340 is rotated in the forward direction as the drive shaft part 332 is rotated by the actuator 331 so that the link part 340 is the extended body ( 322) It is preferable to press the upper portion.

Through this, as the actuator 331 is driven in the forward direction, the grip body 321 may be first rotated through the opening 313 from the accommodation space 311 to pop up.

Therefore, when the smart key (not shown) is approached by the approach detection sensor 371, the grip body 321 is rotated by the link unit 340 that is interlocked and rotated when the actuator 331 is electrically controlled. Is first rotated and popped up from the accommodation space 311, and when the grip body 321 popped up by being rotated first is pulled outwardly by the user in the outward direction of the door case part 310, it is rotated and locked. The configuration in which the device is unlocked can improve usability and operational precision.

Here, when the grip body 321 is first rotated from the accommodation space 311 by the pop-up driving part 330 and pops up, the inner end of the extension body 322 is the latch part 360 to be described later. It is desirable to understand that the spaced apart state is maintained without contacting the one end portion 361.

Accordingly, regardless of whether the grip body 321 is popped up and inserted from the accommodation space 311, the lower portion of the extended body 322 is spaced apart from one end 361 of the latch part 360 and is not contacted. In this state, the door locking device (not shown) is not opened. That is, regardless of the pop-up and insertion of the grip body 321 by the pop-up driving part 330, the door locking device (not shown) for opening and closing the door case part 310 is not opened. Therefore, a contact sensor is provided on the inner surface of the receiving space, and when the contact sensor comes into contact with the contact portion provided inside the handle, the door is locked, but when the handle pops up and is spaced apart from the contact sensor, there is a difference from the configuration in which the door is unlocked. It is desirable to understand.

Through this, when the grip body 321 is first rotated from the accommodation space 311 to pop up, the locked state of the door locking device (not shown) is maintained and pops up. Accordingly, even if the grip body 321 is unintentionally popped up from the accommodation space 311 due to aging, external force action, or malfunction of the device, automatic release of the door locking device (not shown) can be prevented. .

Therefore, regardless of whether or not the grip body 321 is popped up and inserted selectively by the pop-up driving unit 330, the locked state of the door locking device (not shown) is maintained, so that the unexpected door locking device ( The automatic release of (not shown) is prevented beforehand, and the safety of use can be significantly improved.

On the other hand, the latch part 360 is rotated first, and the door locking device (not shown) during the second rotation in which the grip body 321 in the popped state is pulled outwardly of the door case part 310 It is preferable that one end 361 is pressed by the extension body 322 so as to be opened and closed, but a wire w providing a tensile force to the other end 363 is connected and rotated.

In detail, the latch part 360 may be provided in a bar shape or the like. It may be disposed in the accommodation space 311. Here, it is preferable that one end 361 of the latch part 360 is disposed outside the door case part 310 and the other end 363 is disposed inside the door case part 310.

In addition, a contact portion to be pressed by the inner end of the extension body 322 is formed on an upper end of the end portion 361 of the latch portion 360, and one side of the wire w is connected to the other end 363. It is preferred that the wire connection is formed. At this time, one side of the wire (w) is connected to the other end 363 of the latch portion 360, it is preferable to understand that the other side of the wire (w) is connected to the door locking device (not shown). Further, the wire connection portion may be formed by being recessed along the outer circumference of the other end 363 of the latch portion 360, and it is preferable to understand that one side of the wire w is wound on the wire connection portion.

Of course, depending on the case, the wire (w) is one side is fixed to the receiving space 311 is separately connected to a wire winding (not shown) provided, a portion of the wire (w) the latch portion 360 It may be wound on the other side of the may extend to the other side.

In addition, a pivoting shaft hole may be formed through the longitudinal direction of the central portion of the latch portion 360 along the front-rear direction, and the pivoting shaft hole is aligned with the through-hole 315a of the protruding frame 315 and a fixing pin ( 362) can be hinged in the forward and reverse directions. At this time, it is preferable that the forward and reverse rotation of the latch part 360 is understood in the same direction as the forward and reverse rotation directions of the link part 340 described above.

On the other hand, referring to Figure 7, the grip body 321 is rotated first and the pop-up state, the grip body 321 is pulled by the user in the outward direction of the door case 310 is rotated secondary When the inner end of the extended body 322 presses the contact portion of the one end portion 361 of the latch part 360, the latch part 360 opens the rotation shaft hole into which the fixing pin 362 is inserted. It can be rotated forward as a reference.

Here, when the latch part 360 is rotated in the forward direction, one end 361 of the latch part 360 is pressed and moved downward by the inner end of the extension body 322, and the latch part 360 of the The other end 363 may be moved upward as it is rotated in association with it.

Subsequently, when the other end 363 of the latch part 360 is rotated and moved upward, the door locking device (not shown) as the wire w connected to the other end 363 of the latch part 360 is pulled. Time) can be released.

Accordingly, when the grip body 321 is pulled in the outer direction of the door case part 310 by the user and rotated for a second time, the inner end of the extended body 322 is avoided on one side of the latch part 360. As the contact portion is pressed, the latch portion 360 is rotated in the forward direction based on the pivot shaft hole, and thus the locked state of the door locking device (not shown) may be released as the wire w is pulled.

Therefore, when the grip body 321 in the pop-up state is pressed outwardly of the door case part 310, the door locking device (not shown) is unlocked, so that the usability can be improved. And, in some cases, after the door locking device (not shown) is unlocked, the latch part 360 is elastically restored and rotated in the reverse direction so that the latch part 360 is provided with a separate elastic restoration part (not shown). It may further include.

On the other hand, the heating unit 380 is provided on the grip body 321, it is preferable that the grip body 321 is selectively heated to pop up through the opening 313 from the accommodation space 311 even in an ice environment. Do. In addition, the heating unit 380 preferably includes a heating element 381, a heat conductive sheet 382, and a power supply unit 383. In addition, the control unit 370 is preferably provided to selectively drive the heating of the heating unit 380 by detecting whether the grip body 321 is frozen.

Here, the heating body 381 is provided in a plurality of places in the grip body 321, the outer surface of the grip body 321 and the door surface adjacent to the grip part 320 in the freezing environment is removed, so that the grip body ( 321) is preferably provided to be selectively heated to pop up. At this time, the heating element 381 may be provided with a heating terminal disposed in a plurality of places on one surface of the thermal conductive sheet 382, and in some cases, may be provided in a wire form disposed along the entire surface of the thermal conductive sheet 382. It may be, if the structure that can generate heat is not limited to this.

In addition, the thermal conductive sheet 382 may be provided along the surface of the grip body 321, but may be provided to diffuse heat on the surface of the grip body 321 when the heating body 381 is heated. Here, the thermal conductive sheet 382 may be provided as a planar heating element made of a carbon nanotube material, or may be made of a material having high thermal conductivity.

In addition, the thermal conductive sheet 382 may be disposed along the longitudinal direction of the grip body 321 in a recessed space formed in the outer surface of the grip body 321, the thermal conductive sheet 382 is the door case portion In order to prevent exposure from the outer direction of 310, the cover part is further provided to be disposed on the outer surface of the grip body 321.

At this time, as the cover portion is made of the same material as the outer surface of the door, when the grip portion 320 is inserted into the accommodation space 311, the outer surface profile of the cover portion and the door may be formed as a substantially continuous surface.

In addition, the power supply unit 383 is preferably provided to supply power to the heating element 381. Here, the power unit 383 may be disposed inside the grip unit 320 or in the accommodation space 311 in the form of a battery, and the arrangement position of the power unit 383 is not limited thereto. Here, when the retractable door handle 400 is provided in the vehicle, the power supply unit 383 may be wired to the vehicle's power supply source, or may be directly supplied with power from the vehicle's power supply source.

Meanwhile, the heating unit 381 may further include an ice sensor 384 provided to sense the surface temperature of the grip body 321. Here, the freezing sensor 384 may include a temperature sensor, an atmospheric sensor, a pressure sensor, a piston tube, an anemometer, and the like, but is not limited thereto. At this time, the case where the freezing sensor 384 is provided as a temperature sensor in one embodiment of the present invention will be described as an example.

Here, when the temperature sensed by the freezing detection sensor 384 is less than a preset temperature, that is, when ice is generated on the surface of the grip body 321, the control unit 370 removes the ice so that the power unit It is preferable to apply power to the heating element 381 by automatically controlling 383.

Moreover, at the same time that the temperature detected by the freezing detection sensor 384 is below a preset temperature, the smart key (not shown) through the access detection sensor 371 is preset from the door case unit 310. The control unit 370 may automatically control the power unit 383 to apply power to the heating element 381 so that the heating element 381 heats up when the distance is detected within a distance.

Accordingly, the surface of the grip body 321 is thawed even in an extreme freezing environment through the heating unit 380 that detects whether or not ice on the surface of the grip body 321 is generated and removes ice as it heats up when ice occurs. Accordingly, since the grip body 321 can be popped up from the accommodation space 311 through the opening 313, the convenience of use can be remarkably improved.

Of course, in some cases, when the freezing detection method of the freezing detection sensor 384 is calculated and calculated in an aerodynamic method, the air flow direction and angle of the outside surface of the door through a pressure sensor, a pipe tube, an anemometer, etc. ) As information such as an angle, an angular velocity, an aerodynamic load, and a vehicle speed is obtained, the presence or absence of freezing may be calculated by a predetermined calculation formula. Through this, when it is determined that ice is detected by the calculation unit based on the information obtained through the aerodynamic freezing detection method, the control unit may apply power to the power unit to generate heat.

At this time, the terms "include", "compose" or "prepare" as described above means that the corresponding component can be intrinsic unless otherwise stated, and other components are excluded. It should not be interpreted as being able to further include other components. All terms, including technical or scientific terms, have the same meaning as generally understood by a person skilled in the art to which the present invention belongs, unless otherwise defined. Commonly used terms, such as predefined terms, should be interpreted as being consistent with the contextual meaning of the related art, and are not to be interpreted as ideal or excessively formal meanings unless explicitly defined in the present invention.

As described above, the present invention is not limited to each of the above-described embodiments, and it is possible to be modified by a person skilled in the art to which the present invention pertains without departing from the scope of the claims of the present invention. The implementation of such modifications is within the scope of the present invention.

400: retractable door handle 310: door case
311: accommodation space 313: opening
320: grip portion 320a: grip pivot
321: grip body 322: extended body
323: inclined body 330: pop-up driving unit
331: actuator 332: drive shaft portion
340: link section 360: latch section
370: control unit 371: approach detection sensor
380: heating unit 381: heating element
382: thermal conductive sheet 383: power supply
384: freezing detection sensor

Claims (14)

A door case part disposed on the door and having one surface open and an accommodation space formed therein;
When inserted into the accommodation space, it is provided to be formed into a substantially continuous exterior profile with the outer surface of the door, and a grip body selectively popped up from the accommodation space, and integrally inward from the one end of the grip body to the inside of the door case part. A grip portion including an extended body;
A pop-up driving part selectively pressurizing the extension body so that the grip body is first rotated and popped up as it is connected to an actuator and rotated; And
A wire that provides a tensile force to the other side while being pressed by the extension body is connected so that the door locking device is opened and closed during the second rotation in which the grip body in the first rotated pop-up state is pulled outward in the door case part. Retractable door handle including a latch that is rotated. According to claim 1,
The pop-up driving unit, an actuator driven to pop up the grip body,
A drive shaft part connected to the actuator and selectively rotated;
Retractable door, characterized in that it further protrudes radially outward from the drive shaft portion, and further includes a link portion that selectively presses the upper portion of the extension body when the drive shaft portion rotates so that the grip body is first rotated and popped up. handle. According to claim 2,
The driving shaft portion is disposed along the front-rear direction of the door case portion and is selectively rotated to correspond to the driving of the actuator,
The retractable door handle, characterized in that the drive shaft portion is spaced apart at a predetermined distance from the inner end of the extension body in the inner direction of the door case portion. According to claim 1,
The latch portion is disposed inside the door case portion, the pivot shaft hole is formed along the front-rear direction on the center side in the longitudinal direction,
A retractable door handle, characterized in that one end portion in which a contact portion to be pressed is formed by the inner end of the extension body, and the other end portion in which the wire connection portion to which the wire is connected is formed is formed in the latch portion. According to claim 1,
A heating unit provided in the grip body and selectively heated to pop up the grip body in an freezing environment;
A retractable door handle further comprising a control unit that detects freezing of the grip body and selectively drives heat generated by the heating unit. The method of claim 5,
The heating unit,
A heating element provided in a plurality of locations on the grip body to selectively freeze the ice so that the grip body pops up by removing ice on the surface of the grip portion in an freezing environment,
A heat conductive sheet provided along the surface of the grip body to diffuse heat on the surface of the grip body when the heating element is heated;
A retractable door handle comprising a power supply for supplying power to the heating element. The method of claim 6,
The heating unit further includes an ice sensor for sensing the surface temperature of the grip body,
The control unit is a retractable door handle, characterized in that when the temperature detected by the freezing detection sensor is less than a preset temperature, the control unit controls the power supply unit to apply power to the heating element. The method of claim 7,
The control unit controls the power source when the temperature detected by the freezing sensor is less than a preset temperature and the smart key provided separately through the access sensor is within a predetermined distance from the door case unit. Retractable door handle characterized in that the power is applied to. According to claim 1,
The additionally provided smart key further includes an access detection sensor that detects access when approaching within a predetermined distance from the door case part,
A retractable door handle further comprising a control unit for controlling the actuator such that the grip body pops up from the accommodation space when the proximity sensor detects the smart key. The method of claim 9,
The control unit forward-controls the actuator so that the grip body is first rotated and popped up from the accommodation space as the access unit senses the smart key and the link unit presses the grip unit when the door is opened and closed,
A retractable door handle characterized in that the actuator is reversely controlled so that the grip body is completely inserted into the accommodation space when the door case is moved and the power is turned off. According to claim 1,
The grip portion is selectively rotated based on an edge of the upper end of the grip body and the outer end of the extended body,
The grip portion further includes an inclined body extending obliquely from the edge at an angle corresponding to a rotation angle when the grip body is popped up so as to form a substantially continuous outer surface profile with the outer surface of the door case portion when the grip body pops up. Features a retractable door handle. The method of claim 11,
Retractable, characterized in that the angle between the grip body and the inclined body is set to correspond to the angle between the position of the link portion when the grip body pops up and the position of the link portion when the grip body is completely inserted into the receiving space. Door handle. According to claim 1,
A retractable door handle characterized in that the accommodation space is provided with a protruding frame extending upwardly from the lower surface of the door case portion but having a through hole formed in the front-rear direction. A door case part disposed on the door and having one surface open and an accommodation space formed therein;
When inserted into the accommodation space, it is provided to be formed into a substantially continuous exterior profile with the outer surface of the door, and a grip body selectively popped up from the accommodation space and integrally inward from the one end of the grip body to the inside of the door case part. A grip portion including an extended body;
A plurality of heating elements are provided in the grip body to selectively freeze the heating surface so that the grip body pops up by removing ice on the surface of the grip part in an freezing environment, and along the surface of the grip body, the heating body generates heat when the heating body is heated. A heat-conducting sheet for diffusing heat on the surface, and a heat-generating unit including a power unit for supplying power to the heating element;
A pop-up driving part connected to an actuator provided on one side of the door case part to selectively press the extension body so that the grip body is first rotated and popped up;
One side is pressed by the extension body so that the door locking device is opened and closed during the second rotation in which the grip body in the first rotated pop-up state is pulled toward the outside of the door case part, but a wire providing a tensile force is connected to the other side. A latch part rotated;
An access detection sensor that detects an approach when the separately provided smart key approaches within a predetermined distance from the door case unit; And
A retractor including a control unit that detects freezing of the grip body to selectively drive the heat of the heating unit, and controls the actuator so that the grip body pops up from the accommodation space when the proximity sensor senses the smart key. Door handle.

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