KR101163469B1 - Device for opening and closing tail gate - Google Patents

Abstract

The present invention relates to a vehicle tailgate opening and closing device, and more particularly, to a vehicle tailgate opening and closing device for automatically opening and closing the tailgate using a wire and a rod.
That is, the present invention can freely set the position of the drive unit that generates the opening and closing force by using a portion that transmits the opening and closing force to the tailgate as a wire, and also simplify the complicated gear train, and simplify the gear train. According to the present invention to provide a vehicle tailgate switchgear using a wire to reduce the operating noise.

Description

Tailgate opening and closing device for vehicles {Device for opening and closing tail gate}

The present invention relates to a vehicle tailgate opening and closing device, and more particularly, to a vehicle tailgate opening and closing device for automatically opening and closing the tailgate using a wire and a rod.

As is well known, the rear of the vehicle is provided with a trunk space for loading a variety of things, to take advantage of this trunk space is to open and close the trunk lid or tailgate and the like.

Recently, in consideration of the inconvenience of a manual operation in which a user directly opens and closes the tailgate, a power tailgate that automatically opens and closes the tailgate has been installed. According to the type of the unit and the trunk, the operation unit in which gears, links, etc. are combined in different forms is physically connected to each other.

In more detail, the power tailgate is installed in a configuration in which a drive unit and an operation unit including a drive motor are physically interconnected at each rotation point of the tailgate, and the drive unit and the operation unit are linked by a remote control or a switch operation only. This provides the convenience of the tailgate opening and closing automatically.

However, the conventional power tailgate not only has a complex structure in which a rod and a motor for driving the tailgate are connected by a gear and a link, but also a portion for transmitting and receiving force to the tailgate and a portion for generating and closing force are directly connected. There is a difficulty in setting the layout.

The present invention has been devised in view of the above, and it is possible to freely set the position of the driving part, which is the part which generates the opening and closing force, by using the wire which transmits the opening and closing force to the tailgate as a wire, and also simplifies the complicated gear train. The purpose of the present invention is to provide a tailgate switchgear for a vehicle that can reduce the operation noise by simplifying the gear train.

The present invention for achieving the above object is a rod hinged to the tailgate to open and close the tailgate; A guide rail to which the rod is inserted and moved up and down; A wire connected to the first and second guide pins integrally formed at both sides of the rod to move the rod up and down; Wire driving means for driving the wire in a winding or unwinding direction; It provides a vehicle tailgate opening and closing device comprising a.

As a preferred embodiment of the present invention, both ends of the wire is fixed to the first and second guide pins, respectively, characterized in that the middle portion of the wire is wound around the wire driving means several times.

In a preferred embodiment of the present invention, the wire driving means includes a motor, a drive gear meshed with the motor shaft gear, a drum connected coaxially with the drive gear, and winding an intermediate portion of the wire several times, the drum and the drive gear. It is characterized by consisting of a case to cover.

In addition, both sides of the guide rail is characterized in that the slot which is the lifting path of the guide pin is formed along the longitudinal direction.

The first and second wire guides are integrally formed at the upper and lower ends of the guide rail, and a pair of wire entrance and exit ports are formed in the case of the wire driving means.

In particular, the first and second guides are connected to one end of the tube wrapping and protecting the wire, and the other end of the tube is connected to the wire inlet and outlet formed in the case.

Through the above-mentioned means for solving the problems, the present invention provides the following effects.

According to the present invention, by using a wire for transmitting the opening and closing force to the tailgate, it is possible to freely set the vehicle body installation position of the wire driving means that is a portion that generates the opening and closing force due to the bending property of the wire.

In addition, by deviating from the complicated structure of connecting the rod and the motor by the gear and the link, by simplifying the gear train of the drive means for winding and unwinding the wire, it is possible to reduce operating noise and reduce manufacturing costs.

1 to 3 is a schematic diagram illustrating a configuration of a vehicle tailgate opening and closing device according to the present invention;
Figure 4 is a schematic diagram illustrating a process of operating from the closed to the vehicle tailgate opening and closing device according to the present invention,
5 is a schematic diagram illustrating a process of operating the vehicle tailgate opening and closing device from the open to the closed in accordance with the present invention.

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

The present invention has a main point in that it is possible to freely set the vehicle body installation position of the wire driving means due to the bending property of the wire by using a wire to transfer the opening and closing force to the tailgate.

To this end, as illustrated in FIGS. 1 to 3, the upper end of the rod 12 having a predetermined length is hinged to the predetermined position of the tailgate 10, and the rod 12 is connected to the wire 20. It will be raised and lowered by using.

The lower end of the rod 12 is inserted into the guide rail 14 which is arranged in the up and down direction as a free end to be capable of lifting up and down.

At this time, the guide rail 14 has an upper portion is opened, the side surface is provided with a structure in which the slot 30 is formed long in the vertical direction.

Accordingly, the first and second guide pins 16 and 18 integrally formed at both ends of the lower end of the rod 12 are protruded through the slot 30.

In particular, both ends of the wire 20 having a predetermined length are fixed to the first and second guide rails 16 and 18 of the rod 12, and the middle portion of the wire 20 is configured as a wire driving means. The drum 26 is wound several times.

Looking at the configuration of the wire drive means for driving the wire 20 in the winding or unwinding direction, the motor 22 which is a driving source for the winding and unwinding of the wire 20, and a motor shaft gear integral with the shaft of the motor ( And a drive gear 24 engaged with the not shown). It is composed of a drum 26 which is coaxially connected to the drive gear 24 and rotates, and the wire 20 is wound around the wire fitting groove formed on the outer diameter surface of the drum 26 several times.

In this case, a pair of wire entrance and exit holes 36 are formed in the case 28, which covers the drum 26 and the drive gear 24 and is mounted therein.

Meanwhile, first and second wire guides 32 and 34 for guiding the winding and unwinding movement directions of the wire are integrally formed at the upper and lower ends of the guide rail 14.

In addition, a tube 38 surrounding the wire 20 is provided to protect the wire 20, and one end of the tube 38 is connected to the first and second wire guides 32 and 34, and the tube By connecting the other end of the 38 to the wire inlet / outlet 36 of the case 28, the wire 20 is in a protected state while being transferred in the tube 38.

Here, the operation flow for the tailgate automatic opening and closing device of the present invention having the above configuration will be described.

The process by which the tailgate operates from closed to open

As shown in the left view of FIG. 4, when the closed state of the tailgate 10 is viewed, the rod 12 hinged to the tailgate 10 is inserted into the guide rail 14. Except for the upper part of the upper part of (12), the lower end part is completely inserted into the guide rail 14, and it is in the state which descended.

At this time, the first and second guide pins 16 and 18 of the rod 12 are also at the bottom.

In this state, when the switch (not shown) is opened in the open direction to open the tailgate, the drum 26 rotates counterclockwise as the motor is driven as shown in the left side of FIG. do.

Thus, as indicated by the arrows in the left figure of FIG. 4, the wire 20 connected to the second guide pin 18 is pulled upward, and at the same time, the rod 12 integrated with the second guide pin 18. ) Will lift and open the tailgate (10).

The process by which the tailgate operates from open to closed

As shown in the left view of FIG. 5, when the tailgate 10 is opened, the rod 12 hinged to the tailgate 10 is pulled out of the guide rail 14. Except for only a portion of the lower end of the rod 12, the upper end portion thereof comes out of the guide rail 14 and is elevated.

At this time, the first and second guide pins 16 and 18 of the rod 12 are also positioned at the top.

In this state, when the switch (not shown) is operated in the closing direction to open the tailgate 10, the drum 26 rotates clockwise as the motor is driven as shown in the attached right drawing of FIG. Will be

Thus, as indicated by the arrows in the left figure of FIG. 5, the wire 20 connected to the first guide pin 16 is pulled downward, and at the same time, the rod 12 integrated with the first guide pin 16. ) Is lowered to close the tailgate 10.

10: tailgate 12: rod
14: guide rail 16: first guide pin
18: second guide pin 20: wire
22: motor 24: drive gear
26: drum 28: case
30: slot 32: the first wire guide
34: 2nd wire guide 36: wire entrance and exit
38: tube

Claims (6)

A rod 12 hinged to the tailgate to open and close the tailgate 10;
A guide rail 14 which is a path through which the rod 12 is inserted and moved up and down;
A wire 20 connected to the first and second guide pins 16 and 18 integrally formed at both sides of the rod 12 to move the rod 12 up and down;
Wire driving means for driving the wire 20 in a winding or unwinding direction;
Vehicle tailgate opening and closing device characterized in that configured to include.
The method according to claim 1,
Both ends of the wire 20 are fixed to the first and second guide pins 16 and 18, respectively, the middle portion of the wire 20, the vehicle tailgate opening and closing device, characterized in that wound around the wire drive means several times .
The method according to claim 1,
The wire driving means is:
A motor 22;
A drive gear 24 engaged with the motor shaft gear;
A drum 26 connected coaxially with the drive gear 24 and having the middle portion of the wire 20 wound several times;
A case 28 covering the drum 26 and the drive gear 24;
Tailgate switchgear for a vehicle, characterized in that consisting of.
The method according to claim 1,
Vehicle guide gate opening and closing device, characterized in that formed on the both sides of the guide rail (14) slots 30, which are the lifting path of the first and second guide pins (16, 18) along the longitudinal direction.
The method according to claim 1,
First and second wire guides 32 and 34 are integrally formed at upper and lower ends of the guide rail 14, and a pair of wire entrances and exits 36 are formed at the case 28 of the wire driving means. Vehicle tailgate switchgear characterized in that.
The method according to claim 5,
One end of the tube 38 surrounding and protecting the wire 20 is connected to the first and second wire guides 32 and 34, and the tube 38 is connected to the wire inlet and outlet 36 of the case 28. Tailgate opening and closing device for a vehicle, characterized in that the other end of the connection.

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