KR102115743B1 - Fuel lid opening or closing apparatus for vehicle - Google Patents

Abstract

An objective of the present invention is to provide an apparatus for opening and closing a fuel cap for a vehicle which can improve assembly workability. The present invention relates to an apparatus for opening and closing a fuel cap for a vehicle which opens and closes a fuel cap of a vehicle to position the fuel cap at an opening position for opening an opening of a refueling port and a closing position for closing the opening for a refueling port. The apparatus comprises: a housing; a push lifter which is arranged on the housing to be rotated, and repeatedly moves between the opening position and the closing position; and a rotating unit to rotate the push lifter. The rotating unit includes: a cam profile having a helical path formed on the outer circumferential surface of the push lifter in response to a straight-line moving distance of the push lifter with respect to the opening position and the closing position; and a clip which is supported on the housing, has one end coupled to be moved along the cam profile to connect the housing and the push lifter to each other, and rotates the push lifter with respect to the housing when the push lifter repeatedly moves between the opening position and the closing position.

Description

FUEL LID OPENING OR CLOSING APPARATUS FOR VEHICLE}

The present invention relates to a fuel lid opening and closing device for a vehicle, and more particularly, a fuel lid so that the fuel lid of the vehicle is located in an open position for opening the fuel supply opening and a closed position for closing the fuel supply opening. It relates to a fuel lid opening and closing device for a vehicle that opens and closes.

In general, the fuel lid is opened and closed by a hinge, and in the closed position, the fuel refueling opening is closed, and the surface thereof is mounted on the vehicle to match the vehicle body contour.

A fuel supply port through which a cap can be mounted is disposed in the fuel supply opening. The fuel lid is locked to prevent the fuel lid from opening unintentionally.

Korean Patent Publication No. 10-1983439 discloses a prior art for such a fuel lid opening and closing device.

The fuel lid opening and closing device disclosed in the prior art transfers a fuel lifter to open and close the fuel lid whenever the fuel lid is pressed, a driving device disposed in the vicinity of the push lifter, a locking member, and a driving force of the driving device to the locking member And a transmission mechanism having a reduction gear train and a rack and pinion mechanism.

Particularly, in the conventional fuel lid opening and closing device, the locking member is displaced in a direction orthogonal to the axis of the push lifter by driving of a reduction gear train composed of a rack and a pinion, and the locking lifter is locked or unlocked.

However, such a conventional fuel opening and closing device has a locking member that is locked or unlocked by a push lifter by driving a reduction gear train composed of a rack and a pinion, so the opening and closing structure of the fuel lid is complicated, and the number of parts is large, especially in a small space There is a disadvantage in that the assembly work of the reduction gear train consisting of the rack and the pinion is not easy and the number of assembly work is also increased.

Korean Registered Patent Publication No. 10-1983439

The present invention is to solve the above problems, the object of the present invention is to simplify the opening and closing structure of the fuel lid, reducing the number of parts to reduce the assembly maneuver, and the fuel lid opening and closing device of the vehicle to improve the assembly workability Is to provide

SUMMARY OF THE INVENTION An object of the present invention is to provide a fuel lid opening and closing device for a vehicle that opens and closes the fuel lid so that the fuel lid of the vehicle is located in an open position for opening the fuel supply opening and a closed position for closing the fuel supply opening. ; A push lifter rotatably provided in the housing and repeatedly moving between the open position and the closed position; And a pivoting part for turning the push lifter, wherein the pivoting part corresponds to a linear movement distance of the push lifter with respect to the open position and the closed position, and a camprofile in which a spiral path is formed on an outer circumferential surface of the push lifter. ; And supported by the housing, one end movably coupled along the campropile to interconnect the housing and the push lifter, and when the push lifter repeatedly moves between the open position and the closed position, the push lifter. It can be achieved by the fuel lid opening and closing of the vehicle, including a clip that pivots with respect to the housing.

Here, the push lifter may further include an elastic member that generates an elastic force to the push lifter to move to the open position.

In the campropile, in the open position and the closed position of the push lifter, locking grooves in which the clips are respectively held may be formed.

The push lifter may further include a locking portion that locks the push lifter so as not to move from the closed position to the open position.

The locking unit may include a driving motor accommodated in the housing and rotated forward and backward corresponding to the open position and the closed position; A rotating body mounted on the shaft of the drive motor to rotate in the forward and reverse directions; A locking projection partially protruding from the circumference of the rotating body transversely to the rotation axis of the rotating body; And a locking groove provided in an outer circumferential area of the push lifter so that the locking protrusion is unlocked at the open position or unlocked at the closed position according to the forward and reverse rotation of the rotating body.

A stretcher cover may be further provided on the free end of the push lifter to cover the push lifter exposed from the housing.

When the push lifter is located in the closed position, the lifter cover may be in close contact with the housing.

A cable support provided on the cable connected to the fuel cap; And a locking protrusion which is partially projected from the circumference of the rotating body at a distance from the locking protrusion, and is coupled to the cable support.

According to the present invention, it is possible to simplify the opening and closing structure of the fuel cap, reduce the number of parts to reduce the assembly time, and improve the assembling workability.

1 is a perspective view of a fuel lid opening and closing device for a vehicle according to an embodiment of the present invention,
Figure 2 is an exploded perspective view of main parts of Figure 1,
3 is an enlarged perspective view of a main portion showing a state in which the push lifter of FIG. 1 is located in an open position;
Figure 4 is a longitudinal sectional view of Figure 3,
5 is an enlarged perspective view of a main portion showing a state in which the push lifter of FIG. 1 is located in a closed position;
6 is a longitudinal sectional view of FIG. 5.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and are common in the technical field to which the present invention pertains. It is provided to fully inform the skilled person of the scope of the present invention, and the present invention is only defined by the scope of the claims.

The terminology used herein is for describing the embodiments and is not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the phrase. As used herein, “comprises” and / or “comprising” does not exclude the presence or addition of one or more other components other than the components mentioned. Throughout the specification, the same reference numerals refer to the same components, and “and / or” includes each and every combination of one or more of the components mentioned. Although "first", "second", etc. are used to describe various components, it goes without saying that these components are not limited by these terms. These terms are only used to distinguish one component from another component. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical spirit of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used as meanings commonly understood by those skilled in the art to which the present invention pertains. In addition, terms defined in the commonly used dictionary are not ideally or excessively interpreted unless explicitly defined.

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

1 to 6 illustrate a fuel lid opening and closing device for a vehicle according to an embodiment of the present invention.

As shown in these drawings, the fuel lid opening and closing device 1 of a vehicle according to an embodiment of the present invention includes a housing 10, a push lifter 20, a pivot portion, and an elastic member 40 do.

The housing 10 has a hollow cylinder shape, and has a structure that can be divided left and right.

The push lifter 20 is accommodated at one side of the housing 10, and the drive motor 51 to be described later is accommodated at the other side of the housing 10.

The push lifter 20 has a rod shape having a predetermined length, and is pivotably provided on one side of the housing 10.

One end of the push lifter 20 is provided to be exposed to the outside of the housing 10, and the other end of the housing 10 is supported by an elastic member 40.

At one end of the push lifter 20, a fuel lid 100 (see FIGS. 4 and 6) of the vehicle is locked with the fuel lid 100 in a closed position to close an opening (not shown) for fuel refueling, or The fuel lid 100 is provided with a locking projection 23 for the fuel lid, which is unlocked with the fuel lid 100 in an open position in which the fuel lid 100 opens the fuel supply opening.

The push lifter 20 is repeatedly moved between the open position and the closed position by the pivot.

The turning part turns the push lifter 20.

The turning part includes a camprofile 31 and a clip 35.

The campropil 31 forms a helical path on the outer circumferential surface of the push lifter 20.

The campropil 31 has a length corresponding to the linear movement distance of the push lifter 20 with respect to the open position and the closed position of the push lifter 20, for example, the pop-up amount of the push lifter 20.

In the campropile 31, in the open position and the closed position of the push lifter 20 corresponding to the open position and the closed position of the fuel lid 100, the locking grooves 33a and 33b in which the clips 35 are held, respectively. Is formed. In the following description, for convenience of description, the clip 35 is the first locking groove 33a that is held in the open position of the push lifter 20, and the jam is maintained in the closed position of the push lifter 20. The groove is referred to as a second catching groove 33b.

The clip 35 has a wire shape in which both ends are bent. One end 35a of the clip 35 protrudes toward the push lifter 20, and the other end of the clip 35 is fixed to the housing 10.

One end 35a of the clip 35 protruding toward the push lifter 20 is movably coupled along the campropil 31. In addition, one end 35a of the clip 35 is held in the first catching groove 33a in the open position of the push lifter 20, and the second catching groove 33b in the closed position of the push lifter 20 The jam is maintained.

Thereby, the clip 35 generates tension between the housing 10 and the push lifter 20, and interconnects the housing 10 and the push lifter 20.

On the other hand, when the push lifter 20 repeatedly moves between the open position and the closed position, one end 35a of the clip 35 slides along the camprofile 31, whereby the push lifter 20 is The housing 10 is rotated in the forward and reverse directions.

The elastic member 40 is partially accommodated in the inner circumference of the housing 10 and the push lifter 20 to generate elastic force on the push lifter 20 so that the push lifter 20 moves to the open position.

In this embodiment, the coil spring is shown as the elastic member 40, and the elastic member 40 has one end supported on the bottom of the housing 10, and the other end along the longitudinal direction of the push lifter 20. It is arranged on the inner periphery of the push lifter 20.

Here, the elastic member 40 may be disposed only in the housing 10. And, in this embodiment, although the coil spring is shown as the elastic member 40, the present invention is not limited thereto, and various types of elastic bodies that generate elastic force may be provided as the elastic member 40.

In addition, the fuel lid opening and closing device 1 of the vehicle according to an embodiment of the present invention may further include a locking portion.

The locking portion may be included as an additional means for stably locking the push lifter 20 so as not to move the push lifter 20 from a closed position to an open position.

The locking unit includes a driving motor 51, a rotating body 55, a locking projection 61, and a locking groove 65.

The drive motor 51 is accommodated in the other side of the housing 10. The drive motor 51 is arranged such that the axis of the drive motor 51 is parallel to the axis of the push lifter 20.

The drive motor 51 rotates forward and backward corresponding to the open position and the closed position.

The rotating body 55 has a disk shape having a predetermined thickness, and is mounted on the shaft of the drive motor 51. The rotating body 55 rotates forward and backward according to the rotation of the driving motor 51.

The locking projection 61 is partially projected from the circumference of the rotating body 55 transversely to the rotation axis of the rotating body 55, the locking projection 61 is locked or unlocked in the locking groove 65.

Here, the locking projection 61 is rotated forward and backward within a 90-degree angle by the forward and reverse rotation of the driving motor 51, so that the driving motor 51 can be controlled to be locked or unlocked in the locking groove 65, and locking The rotation angle of the projection 61 is not limited to this.

The locking groove 65 is recessed in a predetermined width on the rotational trajectory of the locking projection 61 in one region of the outer periphery of the push lifter 20. In the locking groove 65, the locking projection 61 is locked or unlocked according to the rotation of the rotating body 55.

As described above, as the locking portion is provided, when the push lifter 20 descends from the open position to the closed position, the clip 35 is driven while being held in the second catching groove 33b of the camprofile 31 The motor 51 is rotated in one direction, and as shown in FIGS. 5 and 6, the locking protrusion 61 is locked to the locking groove 65. Thereby, the push lifter 20 is securely locked by the clip 35 and the second catching groove 33b of the campropil 31, and the locking protrusion 61 and the locking groove 65, by external force. It does not easily move from the closed position to the open position, and is locked stably.

On the other hand, the shaft of the drive motor 51 is equipped with a shock absorbing member 71 for cushioning the impact force transmitted from the housing 10 to the drive motor 51 and the rotating body 55. The shock absorbing member 71 is disposed above the rotating body 55 toward the inside of the housing 10.

In addition, the fuel lid opening and closing device 1 of a vehicle according to an embodiment of the present invention may further include a lifter cover 80.

The lifter cover 80 has a bellows shape in which a plurality of wrinkles are formed along the longitudinal direction, and is stretchably provided at a free end of the push lifter 20.

That is, the lifter cover 80 double covers the push lifter 20 exposed from the housing 10.

On the other hand, when the lifter cover 80 is located in the open position. 3 and 4, a gap is formed between the end of the lifter cover 80 facing the housing 10 and the housing 10. Thus, when the push lifter 20 is moved from the unlocked open position to the closed position locked, friction does not occur between the end of the lifter cover 80 and the housing 10, and the push lifter 20 is closed. Move smoothly to the location.

On the other hand, as shown in Figures 5 and 6, when the push lifter 20 is located in the closed position, the lifter cover 80 is in close contact with the housing 10 while contracting in the longitudinal direction. As a result, airtightness is maintained between the end of the lifter cover 80 and the housing 10, and at the same time, the push lifter 20 is stably maintained.

In addition, the fuel lid opening and closing device 1 of a vehicle according to an embodiment of the present invention may further include a cable support 90 and a locking protrusion 95.

The cable support 90 supports the end of the emergency cable 91 and is mounted on a mounting hole 15 formed through the housing 10.

In the cable support 90 facing the housing 10, the engaging groove 93 is recessed in a predetermined width along the rotational trajectory of the locking projection 95. The engaging projection 95 is coupled to the coupling groove 93 of the cable support 90 to be reciprocally movable.

The locking projection 95 is formed to partially protrude from the circumference of the rotating body 55 at a distance from the locking projection 61, the locking projection 95 is the cable support 90 according to the rotation of the rotating body 55 It is movably coupled to the coupling groove (93).

In this way, by further including the cable support 90 and the locking projection 95, in case of an emergency, such as when the drive motor 51 cannot be driven due to disconnection or failure, the emergency cable 91 is pulled to rotate the rotating body. Components that lock the push lifter 20 by forcibly rotating it in one direction, for example, by unlocking the locking protrusion 61 from the locking groove 65, the push lifter 20 is opened from the closed position. Can be moved to.

With this configuration, the process of opening or closing the fuel lid 100 using the fuel lid opening and closing device 1 of the vehicle according to an embodiment of the present invention will be described as follows.

First, a description will be given of a process of switching an opening for a fuel supply port from an open position to a closed position.

When the push lifter 20 is pressed toward the housing 10 in a state where the push lifter 20 is located in the open position, the clip 35 retained in the first catching groove 33a of the camprofile 31 One end (35a) is released from the first catching groove (33a) by the elastic force of the elastic member 40, and then slides toward the second catching groove (33b) along the camprofile (31).

At this time, one end 35a of the clip 35 moves along the helical campropil 31, pivots the push lifter 20 in one direction, and is located at the upper end of the campropil 31 It is held in the locking groove 33b. At the same time, the locking projection 23 for the fuel lid of the push lifter 20 is also locked to the fuel lid 100 by turning about the axis of the push lifter 20.

Subsequently, when the driving motor 51 is rotated in one direction, the rotating body 55 also rotates in one direction, and the locking protrusion 61 is locked to the locking groove 65 provided in the push lifter 20 as shown in FIG. 6. do.

Thereby, the fuel lid 100 connected to the push lifter 20 stably closes the opening for the fuel refueling port, and the push lifter 20 and the fuel lid 100 maintain the closed position.

Next, a description will be given of a process of switching the opening for the fuel supply port from the closed position to the open position.

When the push lifter 20 is located in the closed position, when the driving motor 51 is rotated in the other direction, the rotating body 55 also rotates in the other direction, so that the locking protrusion 61 is provided in the push lifter 20 It is unlocked from the groove (65).

Subsequently, when the push lifter 20 is pressed toward the housing 10, one end 35a of the clip 35 retained in the second catching groove 33b of the camprofile 31 has an elastic member 40 ) Is released from the second locking groove (33b) by the elastic force.

At this time, the push lifter 20 is raised relative to the housing 10 by the elastic force of the elastic member 40, and at the same time, one end 35a of the clip 35 is first caught along the campropil 31. It slides toward the groove 33a. While the one end 35a of the clip 35 moves along the helical campropil 31, the push lifter 20 is rotated in the other direction, and the first catching groove located at the lower end of the campropil 31 It is held at (33a).

As a result, the push lifter 20 is located in the open position, and the fuel lid connected to the push lifter 20 opens the fuel supply opening as shown in FIG. 4.

As described above, according to the present invention, the push lifter is swiveled by a pivoting portion made of a campropile and a clip, so that a position between the open position where the fuel lid opens the opening for fuel refueling and the closed position closing the opening for refueling is required. By repeating the movement, the opening and closing structure of the fuel lid is simplified to reduce the number of parts, thereby reducing the number of assembly steps and improving assembly workability.

The embodiments of the present invention have been described above with reference to the accompanying drawings, but a person skilled in the art to which the present invention pertains may implement the present invention in other specific forms without changing its technical spirit or essential features. You will understand. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

1: Vehicle fuel lid switchgear
10: housing
20: push lifter
31: Camp Profile
35: Clip
40: elastic member
51: drive motor
55: rotating body
61: locking projection
65: Locking groove
80: lifter cover

Claims (8)

In the fuel lid opening and closing device of the vehicle for opening and closing the fuel lid so that the fuel lid of the vehicle is located in the open position to open the opening for the fuel supply opening and the closed position for closing the opening for the fuel supply,
housing;
A push lifter rotatably provided in the housing and repeatedly moving between the open position and the closed position; And
It includes a turning portion for turning the push lifter,
The turning portion,
A camprofile in which a spiral path is formed on an outer circumferential surface of the push lifter in correspondence to a linear movement distance of the push lifter with respect to the open position and the closed position; And
Supported by the housing, one end is movably coupled along the campropile to interconnect the housing and the push lifter, and when the push lifter repeatedly moves between the open and closed positions, the push lifter It includes a clip pivoting with respect to the housing,
A drive motor accommodated in the housing and rotated forward and backward corresponding to the open position and the closed position;
A rotating body mounted on the shaft of the drive motor to rotate in the forward and reverse directions;
A locking projection partially protruding from the circumference of the rotating body transversely to the rotation axis of the rotating body; And
And a locking groove provided in an outer circumferential area of the push lifter so that the locking protrusion is unlocked at the open position or unlocked at the closed position according to the forward and reverse rotation of the rotating body,
A cable support supporting the cable connected to the fuel lid and mounted on the housing; And
And a locking protrusion partially protruding from the circumference of the rotating body at a distance from the locking protrusion,
A fuel lid opening and closing device for a vehicle, wherein the cable support is recessed to a predetermined width along the rotational trajectory of the locking projection so that the locking projection is reciprocally coupled. According to claim 1,
And an elastic member for generating elastic force in the push lifter so that the push lifter moves to the open position. According to claim 1,
The camp profile, in the open position and the closed position of the push lifter, the fuel lid opening and closing device of the vehicle, the locking groove is formed to hold the clip, respectively. delete delete According to claim 1,
A fuel lid opening / closing device for a vehicle, further comprising a lifter cover that is stretchably provided at a free end of the push lifter and covers the push lifter exposed from the housing. The method of claim 6,
When the push lifter is located in the closed position, the lifter cover is in close contact with the housing, the fuel lid opening and closing device of the vehicle. delete

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