KR102474828B1 - Swing motion open and closed type charging door device for electric vehicle with rotating handle structure - Google Patents

Abstract

The present invention changes the opening and closing method of the charging door from an electrically operated opening structure to a swing behavior opening and closing structure by manual operation, thereby reducing the number of component parts, reducing the weight of parts and lowering the cost. Disclosed is a retractable charging door device. The swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention is configured so that the charging door can be opened and closed by rotating the handle, and the handle is provided rotatably along the surface of the charging door to open the charging door. There is an effect that can increase the operating performance of the bar charging door is not applied pressure in the direction.

Description

Swing motion open and closed type charging door device for electric vehicle with rotating handle structure}

The present invention relates to a charging door device provided in a rechargeable electric vehicle, and more particularly, by changing the opening and closing method of the charging door from an electrically operated opening structure to a swing behavior opening and closing structure by manual operation, reducing the number of component parts and The present invention relates to a swing behavior opening and closing charging door device for an electric vehicle employing a rotating handle structure to reduce weight and cost, but not to apply pressure in the opening direction of the charging door during manual operation.

In recent years, as interest in environmental pollution has begun to emerge, much effort has been devoted to the development of eco-friendly vehicles such as electric vehicles. Such an electric vehicle is equipped with a battery and a motor to realize driving of the vehicle by using power generated by the driving of the motor, and must have a charging port for charging the battery.

Such a charging port is provided so as not to be directly exposed from the outside via a charging door installed to be opened and closed with respect to the vehicle body. Accordingly, most electric vehicles are provided with various types of opening and closing devices to implement the opening and closing structure of the charging door. Conventionally, most of the opening and closing devices of the charging door for electric vehicles are configured to operate by electric drive, mainly The charging door is opened by manipulating the opening button located in the vehicle interior.

However, the existing electrically driven charging door opening and closing device as described above not only has a complicated structure, but also increases the number of parts for the electric configuration, resulting in an increase in the weight of all parts and an increase in manufacturing cost. Therefore, it causes unfavorable problems in terms of economic efficiency.

Registered Patent No. 10-1630589

The technical problem to be solved by the present invention is to change the opening and closing method of the charging door from an electric opening structure to a swing behavior opening and closing structure by manual operation, thereby reducing the number of components, reducing the weight of the parts and lowering the cost. It is to provide a swing behavior opening and closing charging door device for an electric vehicle.

Another technical problem to be solved by the present invention is to provide a swing behavior opening and closing type charging door device for an electric vehicle with improved operating performance by adopting an open structure in which no pressure is applied in the opening direction of the charging door during manual operation.

The present invention for solving the above problems is a housing fixed to the body panel; a charging door installed to be opened and closed in a vertical swing motion with respect to the housing; a hinge assembly for installing the charging door to the housing in a vertical swing-type opening and closing method; a locking mechanism for controlling an open state and a closed state of the charging door relative to the housing; and a handle for manually operating an opening operation of the locking mechanism, wherein the handle is provided rotatably along a surface of the charging door for the opening operation.

Here, the charging door includes an outer door portion in which the handle is disposed; and an inner door part coupled to an inner side of the outer door part and having the locking mechanism disposed thereon, wherein the locking mechanism is movably disposed on the front surface of the inner door part and the hinge assembly is disposed on the rear surface of the inner door part. can be placed.

In addition, the hinge assembly includes a fixed hinge coupled to the housing; a movable hinge coupled to the charging door; a pair of hinge arms connecting the fixed hinge and the movable hinge through a hinged connection; a hinge pin that hinge-couples between the fixed hinge and one end of the hinge arm; and a torsion spring installed at a hinge joint between the fixed hinge and one end of the hinge arm to provide elastic force to the hinge arm in an opening direction.

Also, each of the fixed hinge and the hinge arm may include a protrusion supporting a free end of the torsion spring.

In addition, the locking mechanism may include a locking rod catch that moves in conjunction with the rotational motion of the handle and switches the charging door to a closed state when fastened to the housing; and a return spring coupled to the locking rod catch and providing an elastic force to the locking rod catch in a locking direction in order to switch the charging door to a closed state.

In addition, the locking rod catch is provided to slide when the handle rotates, and the charging door can be switched to a closed state when the locking rod catch is inserted into the fastening hole of the housing.

In addition, the locking rod catch is disposed in the inner door portion to be fastened to the housing, the first rod catch sliding in one direction by the rotation of the handle; and a second rod catch disposed in the inner door so as to be fastened to the housing and sliding in a direction opposite to the first rod catch in conjunction with the first rod catch by rotation of the knob, wherein the Each of the first rod catch and the second rod catch is coupled to the return spring and can slide in the locking direction by an elastic force provided by the return spring.

In addition, a swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention includes a pinion gear connected between the first rod catch and the second rod catch and interlocking the first rod catch and the second rod catch; and rack gears meshed with the pinion gear and provided to the first rod catch and the second rod catch, respectively.

In addition, in the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention, the rack gear insertion groove is provided in at least one of the first rod catch and the second rod catch so as not to interfere with the moving direction of the rack gear. may further include.

On the other hand, the handle, the handle body disposed on the outer door portion; and a gear connecting pin coupled to the handle body and the pinion gear to interlock the rotation of the handle body and the pinion gear.

In addition, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention may further include a mounting bracket disposed on the inner door portion and guiding the sliding movement of the locking rod catch.

At this time, the first rod catch and the second rod catch may each have an extension portion protruding to be coupled to the mounting bracket.

In addition, a through hole accommodating the locking rod catch may be provided in the inner door portion, and the through hole may be formed at a position capable of communicating with a fastening hole of the housing into which a free end of the locking rod catch is inserted.

In the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention, the opening and closing method for the charging door provided in the electric vehicle is mediated by a locking mechanism that slides according to the rotation of the handle in the existing electrically driven opening and closing structure. By changing to a swing behavior opening and closing structure by manual operation, the number of parts required to configure the opening and closing structure of the charging door can be reduced, thereby reducing the weight of the entire part and thereby lowering the manufacturing cost of the parts. do.

In addition, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention changes the operation method for opening the charging door from the existing interior button operation to the external operation method by the handle provided on the charging door. , It is possible to improve the user's convenience in opening and closing the charging door for charging the electric vehicle.

In addition, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention has a locking mechanism that is switched from a closed state to an open state by a rotational operation of a handle, and a four-section link structure installed between the housing and the charging door. Since the opening and closing of the charging door can be implemented in an up-and-down swing behavior type opening and closing method through the hinge assembly, it can be used sufficiently even when the space between the charging facility and the charging door is narrow, thereby increasing the utilization of space. there will be

In addition, the swing behavior opening and closing type charging door device of an electric vehicle according to an embodiment of the present invention is opened and closed by a rotational operation of a handle rather than a push method by a button, so that no pressure is applied in the opening direction of the charging door, so the charging door operation performance can be improved.

1 is a perspective view showing a closed state of a swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention.
FIG. 2 is a perspective view showing only the outer door part constituting the charging door in the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention, removed.
3 is a swing behavior opening and closing type charging door device of an electric vehicle according to an embodiment of the present invention by removing the entire outer door part and the inner door part constituting the charging door, the fastening state of the locking mechanism to the housing, and the hinge assembly It is a perspective view showing the installation state of each.
Figure 4 is a perspective view showing the arrangement relationship between the locking mechanism, the inner door portion and the hinge assembly.
5 is an exploded and assembled view of a hinge assembly.
6 is a side view illustrating an open state of a swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention.
7a to 7c illustrate the transition from a closed state to an open state according to the rotation of the handle.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. This is not intended to limit the present invention to specific embodiments, and should be construed as including all changes, equivalents, or substitutes included in the spirit and technical scope of the present invention.

In describing the present invention, terms such as first and second may be used to describe various components, but the components may not be limited by the terms. These terms are only for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

The term "and/or" may include any combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it means that it may be directly connected or connected to the other component, but other components may exist in the middle. can be understood On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it may be understood that no other element exists in the middle.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions may include plural expressions unless the context clearly dictates otherwise.

In this application, terms such as "comprise" or "having" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features It may be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by a person of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries may be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, interpreted in an ideal or excessively formal meaning. It may not be.

In addition, the following embodiments are provided to more completely explain to those with average knowledge in the art, and the shapes and sizes of elements in the drawings may be exaggerated for clearer explanation.

Referring to FIGS. 1 to 4, a swing behavior opening and closing charging door device for an electric vehicle according to an embodiment of the present invention is fixed to a vehicle body panel and includes a housing 10 accommodating a charging port for charging a battery, It is coupled to the housing 10 and is composed of a structure capable of opening and closing the charging door 20 with respect to the housing 10 in a vertical swing motion.

To this end, the present invention provides a locking mechanism 30 that selectively switches and adjusts the open and closed states of the charging door 20 with respect to the housing 10 and the charging door 20 with respect to the housing 10 in the vertical direction. The hinge assembly 40 that opens and closes in a swing behavior method may include a handle 50 rotatably provided along the surface of the charging door 20 to manually manipulate the open and closed states of the charging door 20 have.

At this time, as described above, the housing 10 is fixed to the vehicle body panel, and accommodates a charging port including a charging socket and a charging device (not shown), but when the charging door 20 is opened, the charging port It may include an opening in the form of a central portion perforated to expose to the outside.

The charging door 20 is provided so that it can be operated in a swing behavior type opening and closing method in the vertical direction with respect to the housing 10, and the outer door portion 21 and the outer door portion 21 in which the handle 50 is disposed It is coupled to the inner side of and may include an inner door portion 22 in which the locking mechanism 30 is disposed.

At this time, the locking mechanism 30 may be disposed on the front surface of the inner door unit 22 to be movable, and the hinge assembly 40 may be disposed on the rear surface of the inner door unit 22 .

More specifically, the inner door part 22 may be arranged so that the locking rod catch 31 of the locking mechanism 30 can slide. In addition, the movable hinge 42 of the hinge assembly 40 may be fixed to the inner door unit 22 .

The locking mechanism 30 may be provided to adjust the open state and the closed state of the charging door 20 with respect to the housing 10 . The locking mechanism 30 moves in conjunction with the rotational motion of the handle 50, and when fastened to the housing 10, the locking rod catch 31 and the locking rod catch ( 31) and may include a return spring 32 that provides elastic force to the locking rod catch 31 in the locking direction in order to switch the charging door 20 to a closed state.

At this time, the locking rod catch 31 may be provided to slide when the handle 50 rotates. In addition, when the free end of the locking rod catch 31 is inserted into the fastening hole 11 provided in the housing 10, the charging door 20 can be switched to a closed state.

The locking rod catch 31 may include a first rod catch 34 and a second rod catch 35 .

The first rod catch 34 may be disposed on the inner door 22 so as to be fastened to the housing 10 . More specifically, the first rod catch 34 can slide in one direction by the rotation of the handle 50, and the free end of the first rod catch 34 has a fastening hole located on one side of the housing 10. It can be inserted into (11) and fastened to the housing (10).

The second rod catch 35 may be disposed on the inner door 22 so as to be fastened to the housing 10 . More specifically, the second rod catch 35 may slide in conjunction with the first rod catch 34 and slide in one direction opposite to the one direction in which the first rod catch 34 slides. . The free end of the second rod catch 35 may be inserted into the fastening hole 11 located on the other side of the housing 10 and fastened to the housing 10 .

When the first rod catch 34 is fastened to the fastening hole 11 located on one side of the housing 10 and the second rod catch 35 is fastened to the fastening hole 11 located on the other side of the housing 10, charging is performed. The door 20 is in a closed state.

Meanwhile, the above-described locking direction of the locking rod catch 31 is a direction in which the locking rod catch 31 moves toward the fastening hole 11 of the housing 10, and the first rod catch 34 and the second rod catch 35 move away from each other. It may refer to a sliding movement direction in each direction.

Therefore, the opening direction of the locking rod catch 31 is a direction opposite to the locking direction, and means a direction in which the first rod catch 34 and the second rod catch 35 slide in a direction in which they come closer to each other. can

At this time, each of the first rod catch 34 and the second rod catch 35 can move in the locking direction by the elastic force provided from the return spring 32, and through this, the first rod catch 34 ) and the second rod catch 35 may be inserted into the fastening hole 11 of the housing 10, respectively.

In the embodiment of the present invention, a pinion gear 36 and a rack gear 37 may be further included. At this time, the interlocking of the sliding movement between the first rod catch 34 and the second rod catch 35 can be implemented by the pinion gear 36 and the rack gear 37 (see FIG. 4).

The pinion gear 36 is rotatably installed with respect to the inner door part 22 of the charging door 20. The pinion gear may be connected between the first rod catch 34 and the second rod catch 35 .

The rack gear 37 is provided separately for the first rod catch 34 and the second rod catch 35 for engagement with the pinion gear 36, and the upper and lower portions center on the pinion gear 36. can be located in each.

Accordingly, the first rod catch 34 and the second rod catch 35 can move simultaneously in either direction of the opening direction or the locking direction by the engagement between the pinion gear 36 and the rack gear 37. have.

At this time, a rack gear insertion groove 39 may be provided in at least one of the first rod catch 34 and the second rod catch 35 so as not to interfere with the moving direction of the rack gear 37 . The rack gear insertion groove 39 may be provided to correspond to a position where the rack gear 37 moves horizontally, and may be recessed in the direction in which the rack gear 37 moves to open the charging door 20. can In addition, the depth at which the rack gear insertion groove 39 is depressed can be formed to an appropriate depth so as not to interfere with the rack gear 37 when the charging door 20 is fully open (see FIG. 7C). Of course. Through this structure, while the rack gear 37 can be formed long enough to improve the operability of the locking rod catch 31, it is not necessary to increase the size of the entire device, contributing to the miniaturization of the device.

Meanwhile, the charging door 20 may include a mounting bracket 23 to guide the sliding movement of the locking rod catch 31 . At this time, the mounting bracket 23 is disposed on the inner door part 22 and is provided at an appropriate position to guide the movement of the first rod catch 34 and the second rod catch 35, of course.

In addition, the first rod catch 34 and the second rod catch 35 have extensions 38 protruding so as to be coupled to the mounting bracket 23 in order to guide sliding movement by the mounting bracket 23. It can be provided integrally.

In addition, as shown in FIG. 4, the first rod catch 34 and the second rod catch 35 included in the locking rod catch 31 are individually installed on the inner door portion 22 of the charging door 20. An accommodating through hole 24 may be provided.

At this time, the through hole 24 may be formed at a position where the free ends of the first rod catch 34 and the second rod catch 35 can communicate with the fastening hole 11 of the housing 10, which is provided to individually insert the free ends. can That is, the through hole 24 of the inner door 22 and the fastening hole 11 of the housing 10 may be provided at positions corresponding to each other.

The free end of the first rod catch 34 may be inserted into the through hole 24 provided in the inner door 22 and simultaneously inserted into the fastening hole 11 of the housing 10 . Through this, the first rod catch 34 can be fastened to the housing 10 .

The free end of the second rod catch 35 may be inserted into the through hole 24 provided in the inner door 22 and simultaneously inserted into the fastening hole 11 of the housing 10 . Through this, the second rod catch 34 can be fastened to the housing 10 .

When the first rod catch 34 and the second rod catch 35 are fastened to the housing 10, the charging door 20 may be switched to a closed state.

The hinge assembly 40 is a device that opens and closes the charging door 20 in a vertical swing motion with respect to the opening of the housing 10, and as shown in FIG. The fixed hinge 41 is fixed and the movable hinge 42 coupled to the position corresponding to the fixed hinge 41 in the inner door part 22 of the charging door 20, the fixed hinge 41 and the movable hinge 42 ) A pair of hinge arms 43 that connect between them by a hinge connection, a hinge pin that hinges between the fixed hinge 41 and one end of at least one hinge arm 43 of the pair of hinge arms 43 (44) and a torsion spring installed at the hinge joint between the fixed hinge 41 and one end of the hinge arm 43 to provide elastic force in the always opening direction of the hinge arm 43 relative to the fixed hinge 41 ( 45) may be included.

At this time, the free ends disposed at both ends of the torsion spring 45 are torsion springs 45 supported by the protrusions 41a included in the fixed hinge 41 and the protrusions 43a included in the hinge arm 43, respectively. ) can be placed. This is to allow the hinge arm 43 to turn in the opening direction through the medium of the elastic force of the torsion spring 45 .

For example, the hinge assembly 40 may be configured as a 4-section link structure in order to implement an opening/closing method of the charging door 20 with respect to the housing 10 in a vertical swing behavior method. This is because the two hinge arms 43 are hinged so as to have independent hinge points for the fixed hinge 41 and the movable hinge 42, respectively, and each hinge arm 43 moves the charging door 20 in the vertical direction. It is possible as it is formed to have an appropriate curvature to open and close in a swing behavior method. However, since the swinging motion of the swing behavior method by the four-section link structure is a well-known issue, detailed description thereof will be omitted.

The handle 50 is configured to be rotatably provided along the surface of the charging door 20 in order to manually manipulate the open and closed states of the charging door 20 through an external force. In the embodiment of the swing behavior opening and closing charging door device of an electric vehicle of the present invention, the handle 50 may include a handle body 51 and a gear connection pin 52.

7a to 7c illustrate the transition from a closed state to an open state according to the rotation of the handle. In FIGS. 7A to 7C , the outer door part 21 is excluded for convenience of description of the operation in which the pinion gear 36 interlocks according to the rotation of the handle 50 .

6 and 7a to 7c, the handle body 51 is disposed on the outer door 21 of the charging door 20 and may be formed long in the vertical direction. For example, the handle body 51 may have a hexahedron shape with a narrow width and a long length. Alternatively, as another example, the handle body 51 may have a cylindrical shape having a small diameter and a long length. Or, as another example, the handle body 51 has a cylindrical shape with a small diameter and a long length, but one side in the longitudinal direction adopts a shape such that the diameter is gradually smaller than the other side to fully open the charging door 20. It may be configured to intuitively grasp only the shape in which the handle body 51 is disposed between the in state and the closed state.

Since the space occupied by adopting the shape of the handle body 51 having a small width or diameter and a relatively long length is adopted, there are relatively few restrictions on the shape of the radiator grill even when the charging door 20 is installed on the vehicle bonnet. It has the advantage of increasing the degree of freedom in design.

The gear connection pin 52 is coupled to the handle body 51 and coupled to the pinion gear 36 to be a medium that interlocks the rotation of the handle body 51 and the rotation of the pinion gear 36 . The gear connection pin 52 may be provided in a shape protruding and extending from the center of the handle body 51, and a protruding and extending portion may be coupled to the pinion gear 36.

When the handle body 51 rotates counterclockwise along the surface of the outer door 21 by the combination of the gear connecting pin 52, the pinion gear 36, and the handle body 51, the pinion gear 36 also The first rod catch 34 and the second rod catch 35 that can rotate counterclockwise and are coupled to the pinion gear 36 can slide in a direction closer to each other.

On the other hand, when the handle body 51 rotates clockwise along the surface of the outer door part 22, the pinion gear 36 can also rotate clockwise, and the first rod catch 34 coupled to the pinion gear 36 ) and the second rod catch 35 can slide in a direction away from each other. (See FIGS. 7A to 7C)

6 is a side view illustrating an open state of a swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention.

Referring to FIG. 6 , the charging door 20 may first move forward a certain distance in the X direction while being opened by the rotational operation of the handle 50 and then open along a path upward moving in the Y direction. At this time, the rotational operation of the handle 50 is performed along the surface of the outer door 22 by an external force applied by the user. In other words, rotation of the handle 50 is performed on the YZ plane. In other words, the rotation of the handle 50 is performed on a plane orthogonal to the direction in which the charging door 20 moves forward before moving upward for opening. That is, the external force applied to the handle 50 does not press in the opposite direction in any direction of the X direction and the Y direction, which are the directions in which the charging door 20 moves.

Assuming the opening and closing of the swing behavior method through the push button, pressurization is made in the direction opposite to the X direction by the action of pressing the push button, which hinders the opening operation of the charging door 20, so the charging door 20 ) may adversely affect the operation of the In other words, as a force that hinders the opening operation is repeatedly applied, the opening and closing structure of the charging door 20 may fail.

In contrast, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention has a structure in which no pressure is applied in a direction obstructing the opening operation when the charging door 20 is opened, ensuring high operability. It can be.

As described above, the swing behavior opening and closing type charging door device of an electric vehicle according to an embodiment of the present invention uses an opening and closing method for a charging door provided in an electric vehicle in a conventional electrically driven opening and closing structure, which slides according to the rotation of the handle. By changing the swing behavior opening and closing structure by manual operation through the locking mechanism, it is possible to reduce the number of parts required to configure the opening and closing structure of the charging door, thereby reducing the weight of the entire part and thereby reducing the manufacturing cost of the parts. can lower

In addition, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention changes the operation method for opening the charging door from the existing interior button operation to the external operation method by the handle provided on the charging door. , It is possible to improve the user's convenience in opening and closing the charging door for charging the electric vehicle.

In addition, the swing behavior opening and closing charging door device of an electric vehicle according to an embodiment of the present invention has a locking mechanism that is switched from a closed state to an open state by a rotational operation of a handle, and a four-section link structure installed between the housing and the charging door. Since the opening and closing of the charging door can be implemented in an up-and-down swing behavior type opening and closing method through the hinge assembly, it can be used sufficiently even when the space between the charging facility and the charging door is narrow, thereby increasing the utilization of space. there will be

In addition, the swing behavior opening and closing type charging door device of an electric vehicle according to an embodiment of the present invention is opened and closed by a rotational operation of a handle rather than a push method by a button, so that no pressure is applied in the opening direction of the charging door, so the charging door operation performance can be improved.

Although the embodiments have been described with reference to the accompanying drawings, the invention is not limited to the above embodiments, but can be manufactured in a variety of different forms by combining the contents disclosed in each embodiment, and is common in the technical field to which the invention belongs. Those skilled in the art will understand that the invention can be embodied in other specific forms without changing the technical spirit or essential characteristics of the invention. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting.

10: housing
11: fastening hole
20: charging door
21: outer door
21a: through hole
22: inner door
23: mounting bracket
24: through hole
30: locking mechanism
31: locking rod catch
32: return spring
34: first rod catch
35: second rod catch
36: pinion gear
37: rack gear
38: extension
39: rack gear insertion groove
40: hinge assembly
41: fixed hinge
41a: protrusion
42: movable hinge
43: hinge arm
43a: protrusion
44: hinge pin
45: torsion spring
50: handle
51: handle body
52: gear connecting pin

Claims (13)

a housing fixed to the body panel;
a charging door installed to be opened and closed in a vertical swing motion with respect to the housing;
a hinge assembly for installing the charging door to the housing in a vertical swing-type opening and closing method;
a locking mechanism for controlling an open state and a closed state of the charging door relative to the housing; and
Includes a handle for manually operating the opening operation for the locking mechanism,
When the charging door moves forward a certain distance in the X direction and then moves along a path rising in the Y direction to be in the open state, the handle prevents pressure from being applied opposite to the moving direction of the charging door. A swing behavior opening and closing charging door device for an electric vehicle, characterized in that rotated on the YZ plane along the surface of the charging door.
According to claim 1,
The charging door
an outer door portion in which the handle is disposed; and
Including; an inner door part coupled to the inside of the outer door part and in which the locking mechanism is disposed,
The swing behavior opening and closing charging door device of an electric vehicle, characterized in that the locking mechanism is movably disposed on the front surface of the inner door unit and the hinge assembly is disposed on the rear surface of the inner door unit.
According to claim 1,
The hinge assembly is
a fixed hinge coupled to the housing;
a movable hinge coupled to the charging door;
a pair of hinge arms connecting the fixed hinge and the movable hinge by a hinged connection;
a hinge pin that hinge-couples between the fixed hinge and one end of the hinge arm; and
A swing behavior opening and closing type charging door device for an electric vehicle comprising a torsion spring installed at a hinge joint between the fixed hinge and one end of the hinge arm to provide elastic force to the hinge arm in an opening direction.
According to claim 3,
The fixed hinge and the hinge arm each include a protrusion supporting a free end of the torsion spring.
According to claim 2,
The locking mechanism,
a locking rod catch that moves in conjunction with the rotation of the handle and converts the charging door into a closed state when fastened to the housing; and
and a return spring coupled to the locking rod catch and providing an elastic force to the locking rod catch in a locking direction in order to switch the charging door to a closed state.
According to claim 5,
The locking rod catch is provided to slide when the handle rotates,
When the locking rod catch is inserted into the fastening hole of the housing, the charging door is switched to a closed state.
The method of claim 6,
The locking rod catch,
a first rod catch disposed on the inner door so as to be fastened to the housing and sliding in one direction by rotation of the handle; and
A second rod catch disposed in the inner door so as to be fastened to the housing and sliding in a direction opposite to the first rod catch in conjunction with the first rod catch by rotation of the handle,
The first rod catch and the second rod catch are coupled to the return spring, respectively, and slide in the locking direction by an elastic force provided by the return spring.
According to claim 7,
a pinion gear connected between the first rod catch and the second rod catch and interlocking the first rod catch with the second rod catch; and
A swing behavior opening and closing type charging door device for an electric vehicle further comprising a rack gear meshed with the pinion gear and provided to the first rod catch and the second rod catch, respectively.
According to claim 8,
The swing behavior opening and closing charging door device of an electric vehicle further comprising a rack gear insertion groove provided in at least one of the first rod catch and the second rod catch so as not to interfere with the moving direction of the rack gear.
According to claim 8,
the handle,
a handle body disposed on the outer door; and
A swing behavior opening and closing type charging door device for an electric vehicle comprising a gear connecting pin coupled to the handle body and the pinion gear to interlock rotation of the handle body and the pinion gear.
According to claim 8,
A swing behavior opening and closing type charging door device of an electric vehicle further comprising a mounting bracket disposed on the inner door and guiding sliding movement of the locking rod catch.
According to claim 11,
The first rod catch and the second rod catch each have an extension protruding to be coupled to the mounting bracket.
According to claim 6,
The inner door portion is provided with a through hole for accommodating the locking rod catch,
The swing behavior opening and closing charging door device of an electric vehicle, characterized in that the through hole is formed at a position capable of communicating with the fastening hole of the housing into which the free end of the locking rod catch is inserted.

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