KR20200040494A - apparatus for retractable door handle and control method thereof - Google Patents

Abstract

The present invention provides an apparatus for opening/closing a retractable door handle to improve user convenience by a compact mechanical configuration. According to the present invention, the apparatus for opening/closing the retractable door handle comprises: a door unit wherein an accommodation space is formed to have an opening on one surface on the outside; a hollow grip unit which includes a grip body arranged to be formed as an outer surface profile substantially continuous to an outer surface of the door unit when being inserted into the accommodation space, and to be selectively popped up from the accommodation space, and an extension body integrally extended from at least one side of the grip body towards the inside of the door unit; a driving unit connected to the extension body to selectively pop up and insert the grip unit into the accommodation space; a button unit arranged inside the grip body to be selectively pressurized; a link frame unit arranged inside the grip unit to be moved towards the outside of the door unit as the button unit is pressurized; and a latch bracket unit arranged inside the door unit to be connected by a hinge to be selectively rotated, wherein one side is connected to an inner side end of the link frame unit, and the other side is connected to a wire providing a tensile force to open/close the locking apparatus of the door unit.

Description

A retractable door handle opening and closing device and a control method therefor {apparatus for retractable door handle and control method thereof}

The present invention relates to a retractable door handle opening and closing device, and more particularly, to a retractable door handle opening and closing device with improved compactness and ease of use.

In general, an indoor space is opened and closed by a door provided with a plurality of cars. The door 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 protruding form to the outside, wind noise is generated due to wind, which increases noise and decreases 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 the occurrence of wind interference or wind noise while driving by selectively inserting a door handle protruding 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 with one surface open 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, in the process of manipulating the door handle to release the latch to open and close the door, the load is concentrated on the hinge when the door handle rotates, so there is a possibility that the door handle is damaged and durability is deteriorated. 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 opening and closing device with improved compactness and ease of use.

In order to solve the above problems, the present invention is a door portion having an accommodation space with one surface open on the outside; When inserted into the accommodation space, the grip body is provided to be formed with a substantially continuous outer surface profile with the outer surface of the door portion, and the grip body selectively pops up from the accommodation space, and integrally inward toward the inside of the door portion from at least one side of the grip body. A hollow grip portion including an extended body; A driving part connected to the extension body to selectively pop up and insert the grip part into the accommodation space; A button unit provided inside the grip body and selectively pressed; A link frame part disposed inside the grip part and moving in an outer direction of the door part as the button part is pressed; And a latch bracket part which is disposed inside the door part and is hinged to be selectively rotated, wherein one side is connected to the inner end of the link frame part, and the other side is connected to a wire that provides a tensile force to open and close the locking device of the door part. Provides a retractable door handle opening and closing device.

On the other hand, according to the present invention, when the smart key detects an approach within a predetermined distance from the door part through the detection sensor, the driving part is forward-controlled so that the hollow grip part disposed in the receiving space formed on the outer surface of the door part pops up from the receiving space. First step; A second step in which, when the grip portion pops up from the accommodation space, a link frame portion disposed inside the grip portion is moved outward as the button portion provided inside the grip portion is pressed; A third step in which, when the link frame portion is moved outwardly of the door portion, the link frame portion is connected to one side, and a latch bracket portion to which the wire connected to the locking device of the door portion is connected to the other side is rotated relative to the rotation shaft portion; And a fourth step in which the locking unit is unlocked and the door unit is opened as the wire is pulled when the latch bracket unit is rotated, thereby providing a control method for a retractable door handle opening and closing device.

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

First, when the button portion is pressed while the grip portion is popped up from the receiving space, the latch bracket portion interlocked with the link frame portion is rotated, and the locking device is unlocked as the wire is pulled. .

Second, even if there is no separate electrical device for opening and closing the locking device of the door part, the link frame part is moved according to the pressure of the button part and the latch bracket part is rotated, so that no separate power is required when the locking device is released. Since power consumption is reduced, economic efficiency can be improved.

Third, since the latch bracket part is brought into contact with the long hole formed at the inner end of the link frame part corresponding to the length of the pop-up of the grip part, the locking state of the locking device is maintained regardless of whether the grip part pops up, so that the unlocking device is not automatically released Is prevented beforehand, and the safety of use can be significantly improved.

Fourth, unlike the prior art, in which the locking is released as the handle of the door is hinged and rotated, the wire connected to the locking device is pulled and unlocked by pressing the button part toward the outside of the door part, thereby preventing wear of the grip part in advance. The durability can be significantly improved.

Fifth, when the grip portion is inserted into the accommodation space, wind noise due to wind is prevented and noise is reduced as the outer surface profiles of the grip portion and the door portion are formed as substantially continuous surfaces, and the driving performance of the vehicle can be improved by improving air flow. .

1 and 2 are cross-sectional view of a retractable door handle opening and closing device according to an embodiment of the present invention as viewed from the top.
3 and 4 and 5 is a cross-sectional view of the retractable door handle opening and closing device according to an embodiment of the present invention as viewed from the side.
Figure 6 is a block diagram showing a retractable door handle opening and closing device according to an embodiment of the present invention.
7 is a flowchart illustrating a control method of a retractable door handle opening and closing device according to an embodiment of the present invention.

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

1 and 2 are cross-sectional exemplary views of a retractable door handle opening and closing device according to an embodiment of the present invention as viewed from the top, and FIGS. 3 and 4 and 5 are retractables according to an embodiment of the present invention. This is a sectional view of the door handle opening and closing device as viewed from the side. And, Figure 6 is a block diagram showing a retractable door handle opening and closing device according to an embodiment of the present invention.

1 to 6, the retractable door handle opening and closing device 100 according to an embodiment of the present invention includes a door part 10, a grip part 20, a driving part 30, a button part 40 , It is preferable to include a link frame portion 50, and a latch bracket portion 60.

In one embodiment of the present invention, it is preferable to understand that the door unit 10 is illustrated and described as a door device that is provided on a vehicle and selectively opened and closed, and such a door unit 10 is necessarily provided on a door device provided on a vehicle. It is not limited. That is, it is preferable to understand that the retractable door handle opening and closing device 100 of the present invention is applicable to general door devices as well as door devices of vehicles. In the following, it is preferable to understand that the door unit 10 according to an embodiment of the present invention will be described by way of example.

On the other hand, on one side of the outer surface of the door part 10, one surface is opened so that the grip part 20, the driving part 30, the button part 40, the link frame part 50, and the latch bracket part 60 are accommodated. It is preferable that the receiving space 11 is formed to be recessed in the inner direction of the door part 10.

Here, the door part 10 may be provided to have a predetermined thickness so that the receiving space 11 is formed. Accordingly, each component of the retractable door handle opening and closing device 100 may be disposed in the accommodation space 11 formed in the door part 10.

Meanwhile, the grip portion 20 preferably includes a grip body 21 and an extension body 24 formed integrally with the grip body 21. In one embodiment of the present invention, the grip portion 20 is illustrated and described in a “c” shape, but may be provided in a “T”, “ㅁ”, “a” shape, and the like, but is not limited thereto. Hereinafter, it is preferable to understand that the grip portion 20 according to an embodiment of the present invention is described in a “c” shape.

In addition, the grip portion 20 is preferably provided with a hollow type such that the link frame portion 50 is disposed therein and the button portion 40 is selectively inserted into the inside. Detailed description will be described later.

On the other hand, the grip body 21 is preferably provided to be formed into a substantially continuous outer surface profile with the outer surface of the door portion 10 when inserted into the receiving space (11).

That is, the grip body 21 is completely inserted into the accommodating space 11 when the vehicle is running and when the vehicle is turned off, and is arranged such that the outer surface is formed in a substantially continuous profile with the outer surface of the door part 10. desirable.

Here, the grip body 21 may be provided in a bar shape, such as a rectangular parallelepiped, the size of the outer surface of the grip body 21 is the accommodation space 11 so that the open one surface of the accommodation space 11 is completely covered It is preferably formed substantially corresponding to the size of the.

Accordingly, when the grip portion 20 is inserted into the receiving space 11 of the door portion 10 when the vehicle is running, wind noise caused by wind is prevented and noise inside the vehicle is reduced as the outer profile is formed as a substantially continuous surface. The driving performance of the vehicle may be improved according to the improvement of air flow.

In addition, the grip portion 20 including the grip body 21 is preferably popped up by a predetermined length from the receiving space 11 in the outward direction of the door portion 10.

Here, a first hollow portion formed inside the door portion 10 corresponding to the predetermined length so that the first link frame 51 of the link frame portion 50 is disposed inside the grip body 21. It is preferable that (22) is formed. At this time, the first hollow portion 22 is preferably formed to correspond to a predetermined distance that is moved in the inner direction and the outer direction of the link frame portion 50 when the button portion 40 is pressed.

In addition, a button insertion portion 23 is formed inside the grip body 21 so that the button portion 40 is inserted, and the button insertion portion 23 communicates with the first hollow portion 22. desirable. At this time, the button insertion portion 23 may be formed in a hole shape penetrated to communicate with the first hollow portion 22 inside the grip body 21, but is not limited thereto.

Accordingly, the button portion 40 is disposed on the button insertion portion 23 and the first link frame 51 of the link frame portion 50 may be disposed on the first hollow portion 22. Through this, the first link frame 51 of the link frame part 50 is half the predetermined length as the button part 40 is pressed outwardly of the door part 10. It can be moved in the outer direction of.

On the other hand, it is preferable that the at least one extension body 24 extends integrally in at least one side of the grip body 21 in the inner direction of the door part 10.

Here, when the grip portion 20 is provided in a “c” shape, the extension bodies 24 may extend integrally from both ends of the grip body 21 in the inner direction of the door portion 10, respectively. .

In addition, in some cases, the extended body 24 is integrally formed in the inner direction of the door part 10 from any one side of the grip body 21 so as to be formed in a "T", "ㅁ", "a" shape, etc. It may be extended to. In the following, it is preferable to understand that the elongated body 24 is described by way of example in the case of being formed in a "c" shape.

In addition, a grip space in which a user's finger is inserted may be formed between the inside of the grip body 21 and each of the extension bodies 24. Accordingly, when the user presses the button part 40 disposed inside the grip body 21 by placing a finger in the grip space, the door part 10 may be opened. Detailed description will be described later.

In addition, each of the extended body 24 is preferably provided in a bar shape such as a rectangular parallelepiped disposed substantially perpendicular to the grip body 21. At this time, it is preferable to understand that the substantially vertical means also encompasses the case where the extended body 24 is arranged to be inclined at a minute constant angle close to the grip body 21.

Then, inside the extension body 24, the second link frame 52 of the link frame part 50 is opened to the inner end side of the extension body 24 so that the outer end has the first hollow part ( It is preferable that at least one second hollow portion 25 in communication with 22) is formed.

Here, the inner diameter of the second hollow portion 25 is preferably formed substantially corresponding to the outer diameter of the second link frame 52 of the link frame portion 50. In addition, as the second hollow portion 25 communicates with the receiving space 11 toward the inner end, the first hollow portion 22 may communicate with the receiving space 11.

Accordingly, the first link frame 51 and the second link frame 52 of the link frame portion 50 may be disposed in the first hollow portion 22 and the second hollow portion 25, respectively. . At this time, it is preferable to understand that the first link frame 51 and the second link frame 52 are integrally formed.

On the other hand, the driving unit 30 is preferably connected to the extension body 24 is provided to selectively pop-up and insert the grip portion 20 in the receiving space (11).

Here, the driving unit 30 is a driving motor disposed inside the door unit 10, and is moved in the forward and reverse directions corresponding to the rotation of the driving motor to mediate the pop-up and insertion of the grip unit 20 It may include a large portion (31).

In detail, it is preferable to understand that the driving motor is a motor device having a predetermined output or more such that the grip portion 20 is selectively popped up and inserted from the accommodation space 11. At this time, a pinion may be provided on the rotation shaft of the driving motor.

Then, the rack portion 31 is engaged with the pinion of the drive motor, it is fixed to at least one outer surface of the extended body 24 may be disposed in a vertical direction with the outer surface of the door portion 10 . Accordingly, as the driving unit 30 is driven in the forward and reverse directions, the grip unit 20 may be interlocked with the rack unit 31 to be popped up and inserted.

On the other hand, the retractable door handle opening and closing device 100 preferably further includes a detection sensor 71 that detects an approach when the smart key (not shown) of the vehicle approaches within a predetermined distance from the vehicle.

Here, the detection sensor 71 may be provided as a LIDAR (Light Detection And Ranging) sensor. In addition, when the sensor 71 is installed in a vehicle, it is most preferably installed in a side mirror and a front and rear of the vehicle, and in some cases, it may be installed in the door 10.

Accordingly, when a user who has a smart key (not shown) approaches the detection sensor 71 within a predetermined radius distance, the detection sensor 71 may detect the approach of the smart key (not shown). .

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, detailed description thereof Is omitted.

In addition, the retractable door handle opening and closing device 100 is the driving unit 30 so that the grip unit 20 pops up from the receiving space 11 when the sensor 71 detects the smart key (not shown). It is preferable to further include a control unit 70 for controlling).

Here, it is preferable that the control unit 70 selectively controls the driving unit 30 such that the grip unit 20 is selectively popped up and inserted from the accommodation space 11, and is inside the door unit 10. Can be deployed.

At this time, the driving unit 30 is selectively controlled to drive in the forward and reverse directions, and it is preferable to understand the forward and reverse directions as examples described in an embodiment of the present invention, and the forward and reverse directions of the above-described driving unit 30 are mutually It is preferable to understand that the structure to be changed is also included in the scope of the present invention.

In detail, the control unit 70 moves the driving unit 30 so that the grip unit 20 is completely inserted into the receiving space 11 when the door unit 10 is moved, that is, when the vehicle is running and when the vehicle is powered off. It is desirable to control the reverse drive for a set time.

To this end, a separate sensor for detecting movement of the vehicle or the door unit 10 and power-off of the vehicle may be further provided. Through this, when a signal for movement of the vehicle or the door unit 10 and power-off of the vehicle is transmitted to the control unit 70, the driving unit 30 may be controlled to be driven in the reverse direction for a predetermined time.

Accordingly, as the grip portion 20 is completely inserted into the accommodation space 11 when the door portion 10 is moved, that is, when the vehicle is running and when the vehicle is turned off, wind noise caused by wind is prevented to prevent the inside of the vehicle from being moved. Noise is reduced and the driving performance of the vehicle can be improved according to the improvement of air flow.

In addition, the control unit 70, when the sensor 71 detects the smart key (not shown) and when the door unit 10 is opened or closed or the vehicle is stopped, the grip unit 20 is the storage space 11 ), It is preferable to control the driving unit 30 in the forward direction for a predetermined time so that it pops up by a predetermined length.

Here, when the detection sensor 71 detects the smart key (not shown), a detection signal may be transmitted from the detection sensor 71 to the control unit 70. Through this, as the smart key (not shown) approaches the predetermined radius range of the detection sensor 71, the driving unit 30 may be controlled to be driven forward for a predetermined time.

Accordingly, when the grip portion 20 in the state inserted in the accommodation space 11 is requested through the mutual configuration of the driving unit 30, the control unit 70, and the detection sensor 71, the accommodation space Since it pops up from (11), the usability can be significantly improved.

Here, when the grip portion 20 pops up from the receiving space 11, it is preferable to understand that the locking state of the locking device (not shown) provided in the door portion 10 is maintained and popped up. Detailed description will be described later.

On the other hand, it is preferable that the button portion 40 is provided inside the grip body 21 to be selectively pressed in the outer direction of the door portion 10.

Here, the button portion 40 is one side is inserted into the button insertion portion 23 formed in the grip body 21, the other side may be arranged to be exposed from the inside of the grip body 21.

In addition, when the button portion 40 is inserted into the grip body 21, the first link frame 51 outside of the link frame portion 50 is applied so that a restoring force is applied in the inner direction of the door portion 10. And an elastic member (not shown) may be further provided between the insides of the grip body 21 corresponding thereto.

Accordingly, when the user presses the button portion 40 with a finger and releases the button portion 40, the button portion 40 is moved by the restoring force of the elastic member (not shown). It can be moved inward.

On the other hand, the link frame portion 50 is disposed inside the grip portion 20 is preferably provided to be moved to the outside of the door portion 10 as the button portion 40 is selectively pressed.

Here, the link frame portion 50 is located inside the first link frame 51 and the extension body 24 disposed in the first hollow portion 22 formed inside the grip body 21. The second link frame 52 may be disposed on the formed second hollow portion 25. At this time, it is preferable to understand that the first link frame 51 and the second link frame 52 are provided integrally and disposed substantially perpendicular to each other.

In addition, in the process of manufacturing the retractable door handle opening and closing device 100, the grip portion 20 is provided to be divided in the vertical direction, and the link frame portion 50 is disposed between the divided grip portions, and then each grip portion is joined. It can be manufactured in a way, the manufacturing process is not limited to this.

And, inside the first link frame 51 of the link frame portion 50 facing the one side of the button portion 40 inserted into the button insertion portion 23 in the inner direction of the door portion 10 An extended protruding link connecting portion 51a may be formed.

Here, the link connecting portion (51a) is formed in the central portion in the width direction of the first link frame 51 corresponding to the position of the button insertion portion 23, is formed integrally with the first link frame 51 The door part 10 may be formed to extend inward.

Further, it is preferable that the link connecting portion 51a is in contact with one side of the button portion 40. Of course, in some cases, the button part 40 and the link connection part 51a may be integrally formed. That is, it is preferable to understand that the configuration in which the button portion 40 and the link frame portion 50 are integrally included in the scope of the present invention.

Accordingly, when the button portion 40 is pressed outward of the door portion 10, the first link frame 51 of the link frame portion 50 is pressed as the link connection portion 51a is pressed. The set length may be moved outwardly of the door part 10.

On the other hand, referring to Figures 3 to 5, the inner side of the second link frame 52 of the link frame portion 50 has a long hole 53 with a predetermined length so that one side of the latch bracket portion 60 is inserted. It is preferably formed through.

Of course, in some cases, the inner end of the second link frame 52 of the link frame portion 50 may be formed with a protruding connecting portion (not shown) extending and protruding to one side in the width direction with a predetermined length. At this time, it is preferable to understand that the long hole 53 or the protruding connection part (not shown) is not limited to the above-described configuration if the structure is connected to one side of the latch bracket part 60. In the following, it is preferable to understand that the long link 53 is formed on the inner end of the second link frame 52 by way of example.

Here, the predetermined length of the long hole 53 is the length corresponding to the maximum movement length in the inner direction and the outer direction of the grip portion 20 when pop-up of the grip portion 20 inserted in the accommodation space 11 It is preferably formed of.

In detail, the predetermined length of the long hole 53 is the door portion 10 on the outer surface of the grip body 21 when the grip portion 20 is completely popped up from the accommodation space 11 by the driving portion 30. ) Is preferably set to correspond substantially to the distance to the outer surface.

Here, one side 62 of the latch bracket portion 60 may be inserted into the long hole 53 and locked. At this time, one side 62 of the latch bracket portion 60 may be disposed on the side end portion of the inner side of the second link frame 52 of the link frame portion 50.

In addition, a locking protrusion (not shown) may be protruded to one side 62 of the latch bracket portion 60 so as to be inserted into the long hole 53. In addition, in some cases, when the protruding connection part (not shown) is provided to replace the above-described long hole 53, the protruding connection part (not shown) is hung on one side 62 of the latch bracket part 60 A wealth (not shown) may be formed.

In addition, referring to FIGS. 3 to 5, when the grip portion 20 is completely inserted into the accommodation space 11, one side 62 of the latch bracket portion 60 has an outer end 53a of the long hole 53 ), When the grip portion 20 is completely popped up from the accommodation space 11, one side 62 of the racket bracket portion 60 is preferably disposed at the inner end 53b of the long hole 53. .

That is, regardless of whether the grip portion 20 is popped up and inserted from the accommodation space 11, one side 62 of the latch bracket portion 60 is formed at the predetermined length, and the outer end 53a of the long hole 53 is formed. ), The latch bracket portion 60 is not rotated because it is disposed at any one of the inner end 53b, the outer end 53a, and the inner end 53b.

In other words, regardless of the position of the grip portion 20, the latch bracket portion 60 connected to a locking device (not shown) is not rotated to open and close the door portion 10. Therefore, it is understood that 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, and the handle pops up to separate the door from the contact sensor and unlock the door. desirable.

Through this, when the grip portion 20 pops up from the accommodation space 11, a locking state (not shown) of the locking device (not shown) provided in the door portion 10 is maintained and can be popped up. Accordingly, even if the grip portion 20 unintentionally pops up from the accommodation space 11 due to the aging of the device, external force action, or malfunction, the automatic release of the locking device (not shown) of the door portion 10 is unforeseen. Can be prevented.

Therefore, one side 62 of the latch bracket portion 60 is in contact with the long hole 53 formed at the inner end of the link frame portion 50 corresponding to the length of the pop-up of the grip portion 20 so that the grip portion 20 ) The locking state of the locking device (not shown) is maintained irrespective of whether pop-up occurs, so that unintentional automatic release of the locking device (not shown) can be prevented beforehand, thereby significantly improving safety.

In addition, even if there is no separate electrical device for opening and closing the locking device (not shown) of the door part 10, the link frame part 50 is moved according to the pressure of the button part 40 to move the latch bracket part. In a configuration in which the 60 is rotated, when the locking device (not shown) is released, additional power is not required, so power consumption is reduced and economic efficiency can be improved.

Meanwhile, the latch bracket part 60 is preferably disposed inside the door part 10 and is hinged to selectively rotate. In addition, the latch bracket part 60 has one side 62 is connected to the inner end of the second link frame 52 of the link frame part 50, and the other side 63 is a locking device of the door part 10 ( It is preferably connected to a wire (w) providing a tensile force to open and close).

In detail, the latch bracket part 60 is a bracket body that extends and protrudes flexibly on one side of the bracket body so as to be connected to the bracket body forming the body and the inner end of the second link frame 52 of the link frame part 50. It may contain wealth.

Here, the inner end of the second link frame 52 in which the long hole 53 is formed is exposed from the second hollow portion 25 and can be disposed in the receiving space 11, and in some cases, the first The inner end of the extension body 24 may be opened and formed so that the inner end of the 2 link frame 52 and the end of the bracket extension are contacted. It is not limited to this. At this time, it is preferable to understand that the end portion of the bracket extension portion and one side 62 of the latch bracket portion 60 described above refer to the same point.

In addition, the bracket body is provided with a rotating shaft portion 61 that is hingedly connected to the inside of the door portion 10 to provide a rotating shaft, and a wire connecting portion to which the wire w is connected is provided. At this time, it is preferable to understand that the wire connecting portion and the other side 63 of the above-described latch bracket portion 60 refer to the same point.

Here, the latch bracket portion 60 so that the locking device (not shown) is unlocked as the wire w is pulled when the link frame portion 50 moves outwardly of the door portion 10. It is preferable to rotate based on the rotation shaft portion (61).

In detail, referring to FIGS. 4 to 5, when the grip portion 20 completely pops up from the accommodation space 11, one side 62 of the latch bracket portion 60 has an inner end 53b of the long hole 53 ).

At this time, when the button portion 40 is pressed in the outer direction of the door portion 10, the link frame portion 50 as the link connection portion 51a integrally connected to the link frame portion 50 is pressed It is preferable that the door portion 10 is moved in the outer direction.

Subsequently, as the second link frame 52 of the link frame portion 50 is moved outwardly of the door portion 10, the latch bracket portion disposed at the inner end 53b of the long hole 53 ( It is preferable that one side 62 of the 60) is caught by the edge of the inner end 53b of the long hole 53.

Accordingly, the latch bracket portion 60 is rotated relative to the rotation shaft portion 61, one side 62 of the latch bracket portion 60 is rotated in the outer direction of the door portion 10, the The other side 63 of the latch bracket portion 60 may be rotated to move away from the locking device (not shown).

Through this, the wire (w) connected to the locking device (not shown) is pulled as the other side 63 of the latch bracket part 60 is turned away from the locking device (not shown) and rotated. The lock state of 10) can be released.

Therefore, unlike the conventional in which the locking is released as the handle of the door is hinged, the wire connected to the locking device (not shown) in a manner of pressing the button part 40 toward the outside of the door part 10 ( Since w) is pulled and unlocked, abrasion of the grip portion 20 is prevented, and durability can be significantly improved.

Meanwhile, a virtual line connecting the rotating shaft portion 61, the wire connection portion, and the bracket extension portion to each other may be formed in a triangular shape.

For example, when the bracket body is disposed above the grip portion 20 and the link frame portion 50, the rotation shaft portion 51 is disposed on the upper portion of the bracket body, the wire connection portion than the rotation shaft portion It is disposed on the lower side, the bracket extension portion may be disposed on the lower side than the wire connection.

Accordingly, in order to unlock the locking device (not shown), when the link frame part 50 moves outwardly of the door part 10, the bracket extension part is a first angle based on the rotation shaft part 61. When rotated to the wire connection portion corresponding to the first angle is rotated so that the wire (w) can be pulled.

Here, the first angle may be set to be less than a second angle, which is a rotation angle when the rotation shaft portion, the wire connection portion, and the bracket extension portion are provided and rotated on a straight horizontal line.

Accordingly, as the virtual line connecting the rotating shaft portion 61 and the wire connection portion and the bracket extension portion is formed in a triangular shape, rotation for pulling of the wire w to unlock the locking device (not shown) is performed. Since the angle and distance rotated at the time are reduced compared to when the alignment is arranged, wear may be reduced and durability may be improved.

Of course, in some cases, the rotating shaft part, the wire connection part, and the bracket extension part may be arranged to be provided on a straight line horizontal line with each other. At this time, the rotation shaft portion may be disposed between the wire connection portion and the bracket extension portion, and the wire connection portion may be disposed between the rotation shaft portion and the bracket extension portion.

On the other hand, Figure 7 is a flow chart showing a control method of a retractable door handle opening and closing device according to an embodiment of the present invention. As illustrated in FIG. 7, a control method of a retractable door handle opening and closing device according to an embodiment of the present invention will be described as follows.

First, when a smart key (not shown) is approached within a predetermined distance from the door unit 10 through the detection sensor 71, the driving unit 30 is controlled in the forward direction, and the outer surface of the door unit 10 is controlled. The hollow grip portion 20 disposed in the accommodation space 11 formed in the pop-up from the accommodation space 11 (s10).

Then, when the grip portion 20 is popped up from the accommodation space 11, the grip portion 20 is pressed as the button portion 40 provided inside the grip portion 20 is pressed outwardly of the door portion 10 The link frame portion 50 disposed inside the (20) is moved in the outer direction of the door portion (10) (s20).

Subsequently, when the link frame portion 50 is moved outwardly of the door portion 10, the link frame portion 50 is connected to one side 62 and the door portion 10 is connected to the other side 63. The latch bracket portion 60 to which the wire w connected to the locking device (not shown) is connected is rotated based on the rotation shaft portion 61 (s30).

Then, when the latch bracket portion 60 is rotated, as the wire w is pulled, the locking device (not shown) is unlocked, and the door portion 10 is opened (s40).

Accordingly, when the button portion 40 is pressed while the grip portion 20 is popped up from the accommodation space 11, the latch bracket portion 60 linked to the link frame portion 50 is rotated to rotate the wire. The ease of use can be remarkably improved with a simple mechanical configuration in which the locking device (not shown) is unlocked as (w) is pulled.

At this time, the terms "include", "compose" or "prepare" as described above means that the corresponding component can be intrinsic, unless otherwise stated, except for other components. 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 pertains, 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 can be modified by a person having ordinary skill 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.

100: retractable door handle opening and closing device 10: door unit
11: accommodation space 20: grip portion
21: grip body 22: first hollow
23: Button insertion hole 24: Extension body
25: second hollow 30: drive
31: latch portion 40: button portion
50: link frame unit 51: first link frame
51a: Link connection 52: Second link frame
53: long hole 60: latch bracket part
61: rotating shaft 62: bracket extension
63: wire connection 70: control
71: detection sensor w: wire

Claims (13)

A door part having an accommodation space on one side of which is opened;
When inserted into the accommodation space, the grip body is provided to be formed with a substantially continuous outer surface profile with the outer surface of the door portion, and the grip body selectively pops up from the accommodation space, and integrally inward toward the inside of the door portion from at least one side of the grip body. A hollow grip portion including an extended body;
A driving part connected to the extension body to selectively pop up and insert the grip part into the accommodation space;
A button unit provided inside the grip body and selectively pressed;
A link frame part disposed inside the grip part and moving in an outer direction of the door part as the button part is pressed; And
It is disposed inside the door portion and is hinged to be selectively rotated, but one side is connected to the inner end of the link frame portion, and the other side includes a latch bracket portion connected to a wire that provides a tensile force to open and close the locking device of the door portion. Switchable door handle opening and closing device. According to claim 1,
In the inner end of the link frame portion, a long hole is formed through a length corresponding to the maximum movement length when the grip portion is moved,
Retractable door handle opening and closing device, characterized in that the locking projection provided on one side of the latch bracket portion is inserted into the long hole. According to claim 2,
When the grip portion is inserted into the accommodation space, one side of the latch bracket portion is disposed at the outer end of the long hole,
Retractable door handle opening and closing device, characterized in that when the grip portion pops up from the receiving space, one side of the racket bracket portion is disposed inside the long hole. According to claim 1,
The latch bracket part includes a bracket body forming a body, and a bracket extension part protruding and flexingly extending to one side of the bracket body so as to be connected to an inner end of the link frame part,
The bracket body is provided with a pivoting shaft that provides a pivoting shaft, and a retractable door handle opening and closing device characterized in that a wire connecting portion to which the wire is connected is provided. The method of claim 4,
The latch bracket portion is a retractable door handle opening and closing device, characterized in that when the link frame portion is moved outwardly of the door portion, the wire is pulled so that the locking device is unlocked relative to the rotating shaft portion. The method of claim 4,
A retractable door handle opening and closing device, characterized in that a virtual line connecting the rotating shaft portion, the wire connection portion, and the bracket extension portion is formed in a triangular shape. According to claim 1,
A retractable door handle opening and closing device characterized in that a link connecting portion protruding in an inner direction of the door portion is formed inside the link frame portion facing the insertion surface of the button portion. According to claim 1,
The retractable door handle opening and closing device further comprises an elastic member provided between the outside of the link frame portion and the inside of the grip body so that the button portion is inserted into the interior of the grip body so that a restoring force is applied. According to claim 1,
The driving unit includes a driving motor disposed inside the door unit, and a rack unit that is moved in the forward and reverse directions corresponding to the rotation of the driving motor to mediate pop-up and insertion of the grip unit,
A sensing sensor for detecting access when the smart key approaches within a predetermined distance from the door unit,
When the sensing sensor detects the smart key, the retractable door handle opening and closing device further comprises a control unit for controlling the driving unit so that the grip portion pops up from the accommodation space. The method of claim 9,
The control unit reversely controls the driving unit such that the grip unit is completely inserted into the accommodation space when the door unit is moved and the power is turned off,
Retractable door handle opening and closing device, characterized in that when the sensing sensor detects the smart key and opens and closes the door portion, the grip portion pops up by a predetermined length from the accommodation space. According to claim 1,
Inside the grip body, a first hollow portion is formed corresponding to a predetermined distance that is moved in the inner and outer directions of the link frame portion when the button portion is pressed,
A retractable door handle opening / closing device, characterized in that a second hollow part opened to the inner end side of the extending body and communicating with the first hollow part is formed inside the extension body. The method of claim 11,
A retractable door handle opening / closing device characterized in that a button insertion portion is formed inside the grip body so that the button portion is inserted, and the button insertion portion communicates with the first hollow portion. A first step in which when the smart key detects the approach of the smart key within a predetermined distance from the door part through the detection sensor, the driving part is forward-controlled so that the hollow grip part disposed in the receiving space formed on the outer surface of the door part pops up from the receiving space;
A second step in which, when the grip portion pops up from the accommodation space, a link frame portion disposed inside the grip portion is moved outward as the button portion provided inside the grip portion is pressed;
A third step in which the link frame portion is connected to one side and the latch bracket portion to which the wire connected to the locking device of the door portion is connected to the other side when the link frame portion is moved in the outer direction of the door portion; And
When the latch bracket part is rotated, the locking method of the retractable door handle opening and closing device comprising a fourth step of unlocking the locking device and opening the door part as the wire is pulled.

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