WO2021020709A1

WO2021020709A1 - Retractable outside door handle assembly for vehicle

Info

Publication number: WO2021020709A1
Application number: PCT/KR2020/006956
Authority: WO
Inventors: 강재성
Original assignee: 강재성
Priority date: 2019-07-30
Filing date: 2020-05-29
Publication date: 2021-02-04
Also published as: KR102084945B1

Abstract

Disclosed is a door handle device for a vehicle. The door handle device for a vehicle comprises: a housing part which comprises an arc-shaped guide groove; an arc part which has a portion thereof inserted in the guide groove and is provided with a pedal insertion part which is penetrated or inwardly-recessed; a handle part which is coupled to one end of the arc part and is exposed to the outside of the housing part; a rotation part which rotates in a clockwise or counterclockwise direction and is provided with a pedal part which protrudes from the rear surface of the rotation part and is inserted in the pedal insertion part; and a drive part which rotates the rotation part in the clockwise or counterclockwise direction, wherein the pedal part tows the arc part while moving along the pedal insertion part in accordance with the rotation of the rotation part, and the handle part protrudes from a vehicle door or is inserted in the vehicle door as the arc part moves along the guide groove in accordance with the towing of the arc part.

Description

Exterior door handle assembly for automobiles

The present invention overcomes the limitations in price, volume, and functionality of the existing flat-type door handle by moving the arc-shaped arc part in accordance with the rotation of the rotating part to protrude or return the handle part, and add an automatic unlatch (E-Latch) function. Thus, it relates to an exterior door handle for a vehicle that has increased convenience.

In automobiles, a door handle is mounted on the outside of a door so that a driver can board the vehicle from the outside. In general, the door handle has a shape protruding from the outside. However, in order to enhance the beauty of the recent exterior, the door handle is usually located inside the door, and the protruding or flat type (hereinafter referred to as "flat type") that protrudes horizontally or diagonally only when necessary for boarding the vehicle. The demand is increasing.

All vehicles prevent the door from being separated from the vehicle body by fastening the striker and the door latch, so in order for the driver to board the vehicle, it is necessary to first separate the fastening of the two parts.In general, the cable connected to the door handle or key The striker and the door latch were separated by towing. In some cases, the cable is towed using a motor without using a handle or a key, but it was difficult to apply it to a flat door handle due to excessive cost and volume.

In addition, when a flat door handle is mounted on the door, the thickness should be designed to be 65 to 70 mm or less so that it does not interfere with the inner door glass.To realize this requirement, the conventional flat door handle is folded and opened when closed. Various links (joints), etc., were used to be opened, and in this case, there was a problem that the stiffness of the door handle decreased, and the cost of parts increased due to an increase in the number of parts and assembly man-hour.

In addition, the flat-type door handle must operate smoothly even in the freezing conditions of the door handle and operation section in winter. In order to realize this function, a method of traction through a high-power motor may be considered, but when the door handle returns, there is a risk of causing injury due to the driver's hand being caught due to excessive manpower. In the case of attaching a proximity sensor or the like, there is a problem that the price increases. To solve this problem, a conventional flat door handle has a structure in which a motor is driven to protrude, and when the door handle returns, a spring with weak tension is applied, but in this case, the spring does not protrude when the door handle protrudes. In addition to obstruction, there was a problem that when the door handle returns, if ice or foreign matter gets stuck in the operating section, it does not completely return.

The present invention is to solve the above problems, and overcomes the limitations of the price, volume, and function of the existing flat-type door handle, and increases the convenience by adding an automatic unlatch (E-Latch) function. It aims to provide a device.

In order to achieve the above object, the door handle device for a vehicle according to an embodiment of the present invention includes a housing portion including an arc-shaped guide groove, a part of which is inserted into the guide groove, penetrates or is An arc portion having a pedal insertion portion in a recessed form, a handle portion coupled to one end of the arc portion and exposed to the outside of the housing portion, and a pedal portion protruding from the rear surface and inserted into the pedal insertion portion, clockwise or half A rotation unit that rotates in a clockwise direction, and a driving unit that rotates the rotation unit in a clockwise or counterclockwise direction, and according to the rotation of the rotation unit, the pedal unit moves along the pedal insertion unit to traction the arc unit, and the arc unit According to the traction, the arc part moves along the guide groove so that the handle part protrudes from the car door or is inserted into the car door.

In one embodiment, the rotation unit may include a worm wheel having teeth formed on an outer circumferential surface thereof, and the driving unit may include a worm meshing with the worm wheel, and a motor rotating the worm.

In one embodiment, the door handle device for a vehicle further includes an on-off switch formed on one side of the housing, and the arc portion further includes a first protrusion formed on one surface and protruding in a direction of the on-off switch. In a default state in which the handle is inserted into the car door, when the user presses the handle inward, the first protrusion presses the on/off switch to generate a handle protrusion signal.

In one embodiment, the pedal insertion part includes a first groove extending in a first direction based on an initial position of the pedal part, and the driving part rotates the rotation part in a second direction according to a handle protrusion signal, and the rotation As the part rotates in the second direction, the pedal part moves along the pedal insertion part in the first direction, and the arc part rises so that the handle part may protrude from the vehicle door.

In one embodiment, the door handle device for a vehicle further includes an arc fixing part formed on one side of the housing part and protruding in the arc part direction and having elasticity, and the arc part is a shape corresponding to the arc fixing part It further includes a first arc fixing groove and a second arc fixing groove that are depressed into the furnace, and when the handle is inserted into the car door, the arc fixing part is inserted into the first arc fixing groove, and the arc part rises. Thus, when the handle part protrudes from the vehicle door, the arc fixing part may be inserted into the second arc fixing groove to fix the arc part.

In one embodiment, the door handle device for a vehicle includes a door latch cable and a movable slider coupled with the door latch cable, and when the slider is moved, the door latch cable is pulled to hold the door latch of the vehicle door. A ratchet for unlatching the door latch by further comprising a door latch portion for unlatching, wherein the rotating portion is formed in a shape protruding from a portion of a side surface and presses the door latch portion as the rotating portion rotates in the second direction. May contain more wealth.

In one embodiment, the first limit switch may further include a first limit switch that is formed at a position further moved in the second direction than the slider, and stops an operation of the driving unit when the ratchet unit contacts.

In one embodiment, the pedal insertion unit further includes a second groove extending in a third direction based on an initial position of the pedal unit, and the rotation unit continues to rotate in the second direction, so that the pedal unit can close the second groove. While moving down accordingly, the position of the arc portion may not move.

In one embodiment, the operation of stopping the operation of the driving unit by contacting the first limit switch after the ratchet unit presses the door latch unit to open the vehicle door, and the pedal unit moves along the second groove. Can be done while doing.

In one embodiment, the driving unit rotates the rotation unit in a fourth direction according to a handle return signal, and as the rotation unit rotates in the fourth direction, the pedal unit reciprocates along the first groove and the initial position of the pedal unit And the arc portion is lowered so that the handle portion can be inserted into the vehicle door.

In one embodiment, the door handle device for a vehicle further includes a second limit switch for stopping the operation of the driving unit, and the arc portion includes a second protrusion formed below the first protrusion and having a protruding shape. Further, when the arc part is lowered and the handle part is inserted into the vehicle door, the second protrusion may contact the second limit switch to stop the operation of the driving part.

In one embodiment, the handle return signal is, when the vehicle door is closed, or when the handle is protruding from the vehicle door, the user presses the handle inward and the second protrusion presses the on-off switch. If so, it may be transmitted to the driving unit.

In one embodiment, when the pedal insertion unit further includes an anti-pinch switch formed in one region of the first groove, and the pedal unit presses the anti-pinch switch while the arc unit is lowered according to the handle return signal , The driving unit may stop rotation of the rotation unit in a fourth direction and may rotate the rotation unit in the second direction.

In one embodiment, the pedal insertion unit further includes an emergency mode groove extending in an upward direction with respect to the initial position of the pedal unit, and in a default state in which the handle unit is inserted into the car door, the user moves the handle unit inward. When pressed, the key slot formed on the inner surface of the housing part may be exposed.

The door handle device for a vehicle according to the present invention as described above overcomes the limitations in price, volume, and function of the existing flat-type door handle by moving the arc-shaped arc part in accordance with the rotation of the rotating part and protruding or returning the handle part, It has the effect of increasing convenience by adding an automatic unlatch function.

The door handle device for a vehicle according to the present invention as described above enables the thickness of the door handle device for a vehicle to be 55 to 60 mm by employing an integrated arc structure, and has the effect of significantly improving the rigidity compared to the existing flat door handle.

1A is a front perspective view showing a door handle device for a vehicle according to an embodiment of the present invention.

1B is a rear perspective view showing a door handle device for a vehicle according to an embodiment of the present invention.

2 is an enlarged view of an on-off switch 170 of a door handle device for a vehicle according to an embodiment of the present invention.

3 is a view of the door handle device for a vehicle according to an embodiment of the present invention as viewed from the rear, and is a view for explaining a specific operation of the door handle device for a vehicle according to an embodiment of the present invention.

4A and 4B are a front perspective view and a rear perspective view illustrating a state in which a handle portion of the door handle device for a vehicle according to an embodiment of the present invention is protruded.

Hereinafter, embodiments according to the present invention will be described with reference to the accompanying drawings. In adding reference numerals to elements of each drawing, it should be noted that the same elements are assigned the same numerals as possible even if they are indicated on different drawings. In addition, in describing an embodiment of the present invention, if it is determined that a detailed description of a related known configuration or function obstructs an understanding of the embodiment of the present invention, a detailed description thereof will be omitted. In addition, embodiments of the present invention will be described below, but the technical idea of the present invention is not limited thereto or is not limited thereto, and may be modified and variously implemented by those skilled in the art.

Throughout the specification, when a part is said to be "connected" with another part, this includes not only "directly connected" but also "indirectly connected" with another element interposed therebetween. . Throughout the specification, when a part "includes" a certain component, it means that other components may be further included rather than excluding other components unless otherwise stated.

1A is a front perspective view showing a door handle device for a vehicle according to an embodiment of the present invention, and FIG. 1B is a rear perspective view showing a door handle device for a vehicle according to an embodiment of the present invention. For convenience of description, the same configuration as the housing unit 100 is shown transparently. The door handle device for a vehicle according to an embodiment of the present invention may be mounted on a door of a vehicle.

1A and 1B, a door handle device 1000 for a vehicle according to an embodiment of the present invention includes a housing part 100, an arc part 200, a handle part 300, a rotating part 400, and It may include a driving unit 500. In addition, according to an embodiment, the door handle device 1000 for a vehicle according to an embodiment of the present invention further includes a door latch part 600, a first limit switch 700 and a second limit switch 800 can do.

The housing part 100 may accommodate the arc part 200, the rotating part 400, the driving part 500, the door latch part 600, and the like therein. The housing part 100 may include an arc-shaped guide groove 110.

The arc part 200 may include a pedal insertion part 210 that is partially inserted into the guide groove 110 and penetrated or recessed into the guide groove 110. The arc part 200 may be formed in a shape of an arc when viewed from the side, and may be formed in a plate shape having a predetermined thickness for rigidity. 1A and 1B, the arc part 200 includes a first protrusion 220, a second protrusion 230, a first arc fixing groove 240, a second arc fixing groove 250, and an anti A pinch switch 260 may be formed.

The first protrusion 220 may be formed on the rear surface of the arc part 200 and protrude toward the on-off switch 170. The on-off switch 170 may be formed on one side of the housing part 100. When the user presses the handle part 300, the arc part 200 moves downward and the first protrusion 220 presses the on-off switch 170, and accordingly, the driving part 500 rotates the rotating part 400. Thus, the handle portion 300 may protrude to the outside.

The second protrusion 230 is formed below the first protrusion 220 and may be formed to protrude toward the second limit switch 800. The second limit switch 800 may stop the operation of the driving unit 500. When the car door is closed after the handle part 300 protrudes, a handle return signal may be applied to the driving part 500. In this case, as the arc part 200 descends and the handle part 300 is inserted into the car door, when the second protrusion part 230 contacts the second limit switch 800, the operation of the driving part 500 is stopped and the handle is returned. The operation can be completed.

The first arc fixing groove 240 and the second arc fixing groove 250 may be recessed or penetrated inward in a shape corresponding to the arc fixing part 130. The arc fixing part 130 is formed on one side of the housing part 100 and protrudes toward the arc part 200 and may have elasticity. When the handle part 300 is inserted into the vehicle door, the arc fixing part 130 may be inserted into the first arc fixing groove 240. When the arc part 200 rises and the handle part 300 protrudes from the vehicle door, the arc fixing part 130 is inserted into the second arc fixing groove 250 so that the arc part 200 may be fixed. As an example, the arc fixing part 130 may be formed of a plate spring, and the arc part 200 fixed by the arc fixing part 130 has the arc fixing part 130 from the

arc fixing grooves

240 and 250 It can move only when a force greater than a predetermined threshold is applied to the extent that it can be separated.

The anti-pinch switch 260 is a configuration for preventing the user's hand from being pinched between the handle part 300 and the vehicle door, and a detailed description will be described in detail with reference to FIG. 3.

The handle part 300 may be coupled to one end of the arc part 200 and exposed to the outside of the housing part 100. When the handle part 300 protrudes from the car door, the user can hold the handle part 300 and open the car door.

The rotating part 400 may include a drum part 410, a ratchet part 430, a worm wheel 450, and a pedal part 470, and according to the operation of the driving part 500, clockwise (② direction) or half It can rotate clockwise (④ direction).

The drum part 410 may be coupled to the worm wheel 450 and may be formed in the shape of a disk as shown in FIG. 1A, but is not limited thereto. As an example, the diameter of the drum part 410 may be smaller than that of the worm wheel 450, and the ratchet part 430 may be formed on the side of the drum part 410. As shown in FIG. 1B, the drum unit 410 may be coupled to the rear surface of the worm wheel 450.

The ratchet part 430 may be formed to protrude from a part of the side surface of the rotating part 400. The ratchet part 430 may press the slider 610 of the door latch part 600 as the rotating part 400 rotates in a clockwise direction to unlatch the door latch of the vehicle door.

As shown in FIG. 1A, the ratchet portion 430 may be formed close to a vertical surface from the surface of the drum portion 410 on the first surface of the ratchet portion 430 to pressurize and lift the slider 610. The other surface of the ratchet part 430 may be formed obliquely with respect to the surface of the drum part 410 in order to facilitate the ratchet part 430 to return again after passing the slider 610. To this end, the ratchet portion 430 may be formed in a triangular shape, but is not limited thereto, and the shape may be variously changed.

The worm wheel 450 may have teeth formed on its outer circumferential surface and be coupled to the drum part 410. The worm wheel 450 may be combined with the worm 530 of the driving unit 500 to form a worm gear. The worm wheel 450 rotates according to the rotation of the worm 530, and a rotation direction of the worm wheel 450 may also be determined according to the rotation direction of the worm 530. In addition to the worm wheel 450, the rotating part 400 may be implemented as a motor gear box further including a planet gear device, and accordingly, the door handle device 1000 for a vehicle according to an embodiment of the present invention. It is possible to secure a sufficient driving force for driving.

The pedal unit 470 may protrude from the rear surface of the drum unit 410 and may be inserted into the pedal insertion unit 210. The pedal unit 470 is a configuration that transmits force to the arc unit 200 while moving along the pedal insertion unit 210 according to the rotation of the rotation unit 400, and is a cylinder to facilitate movement within the pedal insertion unit 210 It can be formed into a shape.

As the rotating part 400 rotates, the pedal part 470 may traction the arc part 200 while moving along the pedal insertion part 210, and the arc part 200 may be moved according to the traction of the arc part 200. By moving along the guide groove 110, the handle part 300 may protrude from the car door or be inserted into the car door.

The driving unit 500 may rotate the rotating unit 400 in a clockwise or counterclockwise direction. The driving unit 500 may include a motor 510 that rotates the worm 530 and a worm 530 that meshes with the worm wheel 450 of the rotation unit 400.

The door latch part 600 may include a door latch cable (not shown) and a slider 610 that is movable and coupled with the door latch cable. When the slider 610 is moved as the rotating part 400 rotates, the door latch cable coupled to the slider 610 is pulled so that the door latch of the vehicle door may be unlatched. When the door latch of the car door is unlatched, the striker and the door latch are separated and can be opened immediately by pulling the car door.

The first limit switch 700 may be formed at a position further moved clockwise than the slider 610 as shown in FIG. 1A. When the ratchet part 430 contacts the first limit switch 700, it may determine that the handle protruding operation has been completed and may stop the operation of the driving part 500.

In the default state in which the handle part 300 is inserted into the car door (the handle part does not protrude from the car door), when the user presses the handle part 300 into the vehicle body, the arc part 200 moves downward and 1 The protrusion 220 may press the on-off switch 170 to generate a handle protrusion signal. The on-off switch 170 may transmit a handle protrusion signal to a control unit (not shown), and the control unit may apply power to the driving unit 500 to rotate the rotating unit 400 clockwise. As the rotating part 400 rotates in a clockwise direction, the arc part 200 may move upward and the handle part 300 may protrude.

3 is a view of the door handle device for a vehicle according to an embodiment of the present invention as viewed from the rear, and is a view for explaining a specific operation of the door handle device for a vehicle according to an embodiment of the present invention. In FIG. 3, the arc part 200 is transparently displayed for convenience of description.

As shown in FIG. 3, the pedal insertion unit 210 includes a first groove 211 extending in a first direction based on an initial position A of the pedal unit 470 and an initial position of the pedal unit 470 It may include a second groove 212 extending in the third direction based on (A). Here, the first direction is a direction from the A position to the B position, and may be a right direction of the pedal unit 470 shown in FIG. 3, and the third direction is a direction from the A position to the C position, from the pedal unit 470 It may be in the lower left direction. According to an embodiment, the pedal insertion unit 210 may further include an emergency mode groove 215 extending in an upward direction based on the initial position A of the pedal unit 470.

As described above with reference to FIG. 2, when the user presses the handle part 300 into the vehicle body in the default state in which the handle part 300 is inserted into the car door (the handle part does not protrude from the car door), the driving part The motor 510 of 500 may rotate the rotating part 400 in the second direction (②) according to the handle protruding signal. As an example, the second direction (②) may be a clockwise direction when viewed from the front as shown in FIG. 1A, and as the rotation unit 400 rotates in the second direction (②), the pedal unit 470 moves in the first direction. As it rises while moving along the pedal insertion part 210, the arc part 200 rises so that the handle part 300 may protrude from the vehicle door. As an example, when the rotation unit 400 rotates 180 degrees, the pedal unit 470 may move from the A position to the B position and then return to the A position. When the arc part 200 rises and the handle part 300 protrudes from the car door, the arc fixing part 130 is inserted into the second arc fixing groove 250 as described above with reference to FIG. 200 can be fixed.

When the rotating part 400 rotates 180 degrees, the arc part 200 may rise to the maximum, and the ratchet part 430 may move as shown in FIG. 4A. Thereafter, the rotating part 400 may additionally rotate about 25 to 30 mm, and accordingly, the ratchet part 430 may be released by moving the slider 610 to pull the door latch cable. That is, in the door handle device 1000 for a vehicle according to an embodiment of the present invention, in a state in which the pedal unit 470 reaches the peak and the handle unit 300 is completely protruded, the rotation unit 400 additionally rotates and the door latch By pulling the cable, an automatic E-Latch function is implemented that opens the car door lightly without pulling the door handle.

Referring to FIG. 3, the pedal part 470 is in the A position while the rotating part 400 rotates 180 degrees and the ratchet part 430 is moved to the position shown in FIG. 4A, and the rotating part 470 is in the position A. If 400 continues to rotate in the second direction (②), the pedal unit 470 may move to the C position along the second groove 212.

As shown in Fig. 3, the second groove 212 is formed to face the lower left from the position A and is formed in an arc shape, so that the rotating part 400 further rotates and the pedal part 470 descends. In addition, since it moves downward along the second groove 212, the arc part 200 does not move in a fixed state. That is, the arc part 200 is fixed by inserting the arc fixing part 130 into the second arc fixing groove 250.

After the ratchet part 430 presses the door latch part 600 to open the vehicle door, the ratchet part 430 may contact the first limit switch 700 to stop the operation of the driving part 500. As the operation of the driving unit 500 is stopped, the rotation of the rotating unit 400 may be stopped and the door opening operation may be terminated. An operation of stopping the operation of the driving unit 500 by contacting the ratchet unit 430 with the first limit switch 700 may be performed while the pedal unit 470 moves along the second groove 212.

Next, when the car door is closed, or in a state in which the handle part 300 protrudes from the car door, the user presses the handle part 300 inward so that the second protrusion part 230 activates the on-off switch 170. When pressing, a handle return signal may be transmitted to the driving unit 500.

The driving unit 500 may rotate the rotating unit 400 in the fourth direction (④) according to the handle return signal. As an example, the fourth direction (④) may be a counterclockwise direction when viewed from the front as shown in FIG. 1A, and as the rotation unit 400 rotates in the fourth direction (④), the pedal unit 470 becomes C − > A -> B -> A can be descended while moving in the order, and the arc portion 200 is lowered, the handle portion 300 can be inserted into the car door. That is, the pedal unit 470 may return to the initial position A of the pedal unit while reciprocating along the first groove 211. The arc fixing part 130 may be separated from the second arc fixing groove 250 by the driving force of the driving part 500.

As described above with reference to FIG. 1B, when the second protrusion 230 contacts the second limit switch 800 as the arc part 200 descends and the handle part 300 is inserted into the car door, the driving part 500 ) Operation is stopped and the handle return operation can be completed.

The door handle device 1000 for a vehicle according to an embodiment of the present invention may include an anti-pinch switch 260 to implement an anti-pinch function. The anti-pinch switch 260 may be formed in a region of the first groove 211 of the pedal insertion part 210. As an example, the anti-pinch switch 260 may be formed in the outer region of the first groove 211 as shown in FIG. 3 to prevent the user's hand from being pinched between the handle part 300 and the car door. have.

In the door handle device 1000 for a vehicle according to an embodiment of the present invention, when the user's hand is caught when the pedal part 470 is in the B position while the arc part 200 is descending according to the handle return signal, the arc Since the unit 200 is in a stopped state and the pedal unit 470 continues to descend, the pedal unit 470 presses the anti-pinch switch 260. When the anti-pinch switch 260 is pressed, a handle protrusion signal may be generated and transmitted to the control unit, and the driving unit 500 stops the rotation of the rotation unit 400 in the fourth direction (④) under the control of the control unit and the rotation unit 400 ) Can be rotated in the second direction (②). Accordingly, since the handle part 300 protrudes from the vehicle door again, injury to the user's hand may not be caused. As an example, a state in which the handle part 300 protrudes from a car door in a predetermined range (eg, 15 to 25 mm) is defined as a danger section, and in the danger section, the pedal part 470 is located above the anti-pinch switch 260 can do.

Conventional flat door handles return to their original position by weak spring tension, so there is no risk of hand jamming, but if freezing or foreign matter inflow occurs in the section where the door grip is separated by 15 mm or less from the vehicle body, the door grip is difficult to return to the original position. There was a problem.

On the other hand, the door handle device 1000 for a vehicle according to an embodiment of the present invention implements a hand pinch prevention function in a dangerous section, and it is considered that there is no fear of hand getting caught in a non-hazardous section. Even if it occurs, the pedal unit 470 is made to descend, ignoring this, so that a strong force is maintained when the handle is returned. On the other hand, the size or width, sensitivity, etc. of the anti-pinch switch 260 may be adjusted according to the setting range of the danger section.

In addition, the door handle device 1000 for a vehicle according to an embodiment of the present invention is to compensate for problems in an emergency situation. The pedal insertion unit 210 may further include an emergency mode groove 215 extending in an upward direction based on the initial position A of the pedal unit 470.

When the door handle device 1000 for a vehicle according to an embodiment of the present invention does not operate due to a discharge of the vehicle battery or a failure of the driving unit 500, the default state in which the handle unit 300 is inserted into the vehicle door When the user strongly presses the handle part 300 inward, the arc part 200 descends and the pedal part 470 is accommodated in the emergency mode groove 215 (accommodated in the D position) so that the handle part 300 It may be recessed inside the door. In this case, a key slot (not shown) formed on the inner surface of the housing unit 100 may be exposed, and a user may insert a car key into the key slot to open the car door. When the user stops pressing on the handle part 300, the position of the handle part 300 may be restored due to the elasticity of the leaf spring 150.

On the other hand, it has been described above that the second direction (②) is a clockwise direction when viewed from the front as shown in FIG. 1A, and the fourth direction (④) is a counterclockwise direction when viewed from the front as shown in FIG. 1A. As an example, the second direction (②) and the fourth direction (④) may be changed in opposite directions. In this case, components of the door handle device 1000 for a vehicle according to an embodiment of the present invention, and the first direction, the third direction, and the like may be changed accordingly.

As described above with reference to FIG. 3, in the door handle device 1000 for a vehicle according to an embodiment of the present invention, the pedal unit 470 moves along the pedal insertion unit 210 as the rotation unit 400 rotates. While pulling the arc part 200, the arc part 200 moves along the guide groove 110 according to the traction of the arc part 200, so that the handle part 300 as shown in FIGS. 4A and 4B It can protrude from the car door. In the state of FIG. 4A, the rotating part 400 may be additionally rotated, and the door latch may be released by the ratchet part 430 moving the slider 610 to pull the door latch cable.

In the door handle device 1000 for a vehicle according to an embodiment of the present invention, an integrated disk and a pedal unit 470 are attached to a motor gear box in which a worm gear and a planetary gear are combined, and the pedal unit 470 is a Scotch yoke mechanism. The drive system is simplified so as to move the arc part 200 through the device, so that power loss is minimized despite a small volume and is designed to produce a large output.

So far, the present invention has been looked at in detail centering on the preferred embodiments shown in the drawings. These embodiments are not intended to limit the present invention, but are merely illustrative, and should be considered from an illustrative point of view rather than a restrictive point of view. The true technical protection scope of the present invention should be determined not by the above description but by the technical spirit of the appended claims. Although specific terms have been used in the present specification, they are used only for the purpose of describing the concept of the present invention, and not for limiting the meaning or limiting the scope of the present invention described in the claims. Each step of the present invention need not necessarily be performed in the order described, and may be performed in parallel, selectively or individually. Those of ordinary skill in the technical field to which the present invention pertains will understand that various modifications and other equivalent embodiments are possible without departing from the essential technical idea of the present invention claimed in the claims. It is to be understood that equivalents include not only currently known equivalents, but also equivalents to be developed in the future, that is, all components invented to perform the same function regardless of structure.

Claims

A housing portion including a guide groove in the form of an arc;

An arc portion having a pedal insertion portion partially inserted into the guide groove and penetrating or recessed into the guide groove:

A handle part coupled to one end of the arc part and exposed to the outside of the housing part;

A rotating part protruding from the rear surface and provided with a pedal part inserted into the pedal insertion part, and rotating in a clockwise or counterclockwise direction; And

It includes a driving unit that rotates the rotation unit clockwise or counterclockwise,

According to the rotation of the rotating part, the pedal part moves along the pedal insertion part and pulls the arc part, and the arc part moves along the guide groove according to the traction of the arc part, so that the handle part protrudes from the car door or the car door Vehicle door handle device, characterized in that inserted.
The method of claim 1, wherein the rotating part,

It includes a worm wheel with teeth formed on the outer circumferential surface,

The driving unit,

A worm engaged with the worm wheel; And

A door handle device for a vehicle comprising a motor that rotates the worm.
According to claim 1, The door handle device for a vehicle,

Further comprising an on-off switch formed on one side of the housing,

The arc part,

Further comprising a first protrusion formed on one surface and protruding in the direction of the on-off switch,

When a user presses the handle inward in a default state in which the handle is inserted into the car door, the first protrusion presses the on/off switch to generate a handle protrusion signal.
The method of claim 1,

The pedal insertion part includes a first groove extending in a first direction based on an initial position of the pedal part,

The driving unit rotates the rotation unit in a second direction according to a handle protrusion signal,

As the rotation unit rotates in the second direction, the pedal unit moves along the pedal insertion unit in the first direction, and the arc unit rises so that the handle unit protrudes from the vehicle door. .
The method of claim 4, wherein the vehicle door handle device,

Further comprising an arc fixing part formed on one side of the housing part, protruding in the direction of the arc part, and having elasticity,

The arc part,

Further comprising a first arc fixing groove and a second arc fixing groove recessed inward in a shape corresponding to the arc fixing part,

When the handle portion is inserted into the vehicle door, the arc fixing portion is inserted into the first arc fixing groove, and when the arc portion rises and the handle portion protrudes from the vehicle door, the arc fixing portion is the second arc fixing groove. A door handle device for a vehicle, characterized in that inserted into the arc portion is fixed.
The method of claim 4, wherein the vehicle door handle device,

Further comprising a door latch cable and a movable slider coupled to the door latch cable, and when the slider is moved, a door latch portion for pulling the door latch cable to unlatch the door latch of the vehicle door,

A door handle device for a vehicle, further comprising a ratchet portion formed in a protruding shape on a part of a side surface and pressing the door latch portion as the rotation portion rotates in the second direction to unlatch the door latch.
The method of claim 6,

And a first limit switch which is formed at a position further moved in the second direction than the slider, and stops an operation of the driving unit when the ratchet unit contacts.
The method of claim 7,

The pedal insertion unit further includes a second groove extending in a third direction based on the initial position of the pedal unit,

The door handle device for a vehicle, wherein the position of the arc portion does not move while the rotation portion continues to rotate in the second direction and the pedal portion moves downward along the second groove.
The method of claim 8,

The operation of stopping the operation of the driving unit by contacting the first limit switch after the ratchet unit presses the door latch unit to open the vehicle door and then stops the operation of the driving unit, characterized in that while the pedal unit moves along the second groove Door handle device for automobiles.
The method of claim 4,

The driving unit rotates the rotation unit in a fourth direction according to a handle return signal,

A vehicle, characterized in that as the rotation unit rotates in the fourth direction, the pedal unit reciprocates along the first groove and returns to the initial position of the pedal unit, and the arc unit descends to insert the handle unit into the vehicle door Door handle device.
The method of claim 10, wherein the vehicle door handle device,

Further comprising a second limit switch for stopping the operation of the driving unit,

The arc part further includes a second protrusion formed below the first protrusion and having a protruding shape,

When the arc portion is lowered and the handle portion is inserted into the vehicle door, the second protrusion contacts the second limit switch to stop the operation of the driving unit.
The method of claim 11, wherein the handle return signal,

When the car door is closed, or when the user presses the handle inward while the handle protrudes from the car door and the second protrusion presses the on-off switch, it is transmitted to the driving unit. Door handle device for automobiles.
The method of claim 10,

The pedal insertion part further includes an anti-pinch switch formed in one area of the first groove,

When the pedal unit presses the anti-pinch switch while the arc unit is descending according to the handle return signal, the driving unit stops rotation of the rotation unit in a fourth direction and rotates the rotation unit in the second direction. Door handle device for automobiles.
The method of claim 1,

The pedal insertion unit further includes an emergency mode groove extending in an upward direction based on the initial position of the pedal unit,

When the user presses the handle inward in a default state in which the handle is inserted into the car door, a key slot formed on the inner surface of the housing is exposed.