JP6649608B2 - Mounting structure of tailgate door switch - Google Patents

Description

  The present invention relates to a tailgate door switch mounting structure including a structure for preventing the operation of an open switch provided on a tailgate so that the tailgate does not open when an impact force acts from the rear of the vehicle. .

  2. Description of the Related Art In recent years, doors and tailgates of vehicles have been provided with an electric door handle which can be opened with a small operation force. In such a door handle, after the door switch is pressed by the displacement of the operated handle portion, an electric signal from the pressed door switch drives the electric door latch device to open the door. It is possible. In particular, when the door handle is provided on the tailgate, a configuration is adopted in which the door handle is covered with garnish for the purpose of improving the appearance and preventing rainwater from entering.

  Conventionally, as a mounting structure for a tailgate door switch that electrically opens a lock mechanism that holds the tailgate door closed on the vehicle body side, the switch is mounted on the garnish via a spacer between the switch and the switch body. , So that the operating part is located in the opening of the grip part formed in the garnish, so that even if an impact load is applied from the rear of the vehicle, the operation of the tailgate door switch (opening of the tailgate door) is prevented. What is able to do this is known (for example, see Patent Document 1 below).

Japanese Patent No. 4905123

  However, in the above-described conventional configuration, when the impact load from the rear of the vehicle is large, the spacer may be deformed, and the switch may interfere with the garnish, the outer panel, or the like, and the switch may operate.

  In view of the above, the present invention provides a tailgate capable of preventing the operation of the electric switch of the tailgate door so that the tailgate door does not open when an impact force from the rear of the vehicle acts. An object of the present invention is to provide a door switch mounting structure.

According to a first aspect of the present invention, there is provided a tailgate door switch mounting structure for opening and closing a rear opening of a vehicle, an outer panel of the tailgate door, and the tailgate. An electric switch that is disposed on the door and releases a lock mechanism that holds the tailgate door closed on the vehicle body side, and a garnish that is mounted on the tailgate door and covers the vehicle rear side of the switch, The garnish has a switch mounting portion for fixing the switch, the switch mounting portion extends from a lower end of the garnish main body toward the outer panel in a vehicle front direction, and the garnish main body. A fixing surface that is bridged between the leg portion and the fixed surface and fixes the switch via the outer panel; A reinforcing member integrally formed and disposed in a space formed by the garnish main body, the leg, and the fixing surface, wherein the fixing surface and the reinforcing member include the garnish main body and the reinforcing member. The garnish has a thin portion that gradually decreases in thickness toward a connection portion with the leg portion and breaks when an impact load is input to the garnish from behind the vehicle .

  Further, in the mounting structure for a tailgate door switch according to a second aspect of the present invention for solving the above-mentioned problems, the reinforcing member is formed by the garnish body, the legs, and the fixing surface. Characterized by having ribs arranged in a lattice pattern therein.

Further, in the mounting structure of the switch for a tailgate door according to a third aspect of the present invention for solving the above-mentioned problem, an angle between the leg portion and the outer panel on the switch side is an acute angle. And

  ADVANTAGE OF THE INVENTION According to this invention, when the impact force from the vehicle rear acts, it can prevent operation | movement of the electric switch of a tailgate door so that a tailgate door may not open.

1 is a rear perspective view of a vehicle provided with a switch mounting structure for a tailgate door according to the present invention. It is a bottom view of the switch part for tailgate doors concerning one Embodiment of this invention. It is the AA perspective sectional view of Drawing 1 seen from the garnish back side of the switch part for tailgate doors concerning one embodiment of the present invention. It is the perspective view which looked at the switch part for tailgate doors concerning one Embodiment of this invention from the garnish back side, FIG.4 (a) shows the state before attaching the switch for tailgate doors, FIG.4 (b). The state which attached the switch for tailgate doors is shown. It is another perspective sectional view of the switch part for tailgate doors concerning one Embodiment of this invention. FIGS. 6A and 6B are schematic diagrams illustrating a deformation process of the tailgate door switch unit according to the embodiment of the present invention at the time of a rear collision, where FIG. 6A is before a collision, FIG. ) Indicates the state after the collision.

  Hereinafter, a switch mounting structure for a tailgate door according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

  As shown in FIG. 1, in the present embodiment, a rear opening 11 is formed at the rear of the vehicle 1, and a tailgate door 12 is provided in the rear opening 11 so as to be openable and closable. A door lock mechanism (not shown) is provided between the lower edge of the rear opening 11 and the lower end of the tailgate door 12, and as shown in FIG. An electric switch (hereinafter referred to as a tailgate door switch) 13 for releasing is provided. A garnish 14 is mounted on the tailgate door 12 so as to cover the tailgate door switch 13 from behind the vehicle. In addition, 13c shown in FIG. 2 is an open switch for releasing the above-described door lock mechanism, and 13d is a lock switch for locking the above-mentioned door lock mechanism.

  As shown in FIGS. 3 to 5, the tailgate door switch 13 includes a switch body 13a and a switch operation unit 13b. Both ends of the switch body 13a are fixed to a later-described switch holding portion 14e provided in the garnish 14 via mounting holes 15a formed in the outer panel 15 of the tailgate door 12.

  Here, the mounting hole 15a is provided on an inclined surface 15b of the outer panel 15 which is formed so as to incline toward the vehicle front side as going downward. The upper part of the inclined surface 15b of the outer panel 15 is an inclined surface 15c inclined toward the front of the vehicle as it goes upward, and a license plate mounting surface 15d for attaching a license plate is provided below the inclined surface 15b. Is provided.

Further, the garnish 14 includes a garnish main body 14a and a switch mounting part 14b.
The garnish body portion 14a is gradually inclined toward the vehicle rear side as it goes downward, and its upper portion is fixed to the inclined surface 15c of the outer panel 15 with a fixing clip 14c (see FIG. 6).

  The switch mounting portion 14b is provided at a lower portion of the garnish main body 14a on the inside of the vehicle (back side), and fixes both ends in the vehicle width direction of the switch main body 13a. The switch mounting portion 14b includes a switch mounting leg 14d extending from the lower end of the garnish main body 14a toward the front of the vehicle and a tailgate door switch 13 provided between the garnish main body 14a and the switch mounting leg 14d. And a switch holding unit 14e for holding the switch. The operation of the tailgate door switch 13 is performed from between the switch mounting legs 14d as shown in FIG.

  The length of the switch mounting leg 14d is set such that the front end (hereinafter, referred to as a leg tip) 14f of the switch mounting leg 14f is located in the immediate vicinity of the outer panel 15 when the tailgate door 12 is closed. I have. The switch mounting leg 14d is disposed such that an angle θ (see FIG. 6A) formed between the switch mounting leg 14d and the license plate mounting surface 15d on the tailgate door switch 13 side is an acute angle close to a right angle.

  The switch holding portion 14e includes a switch fixing surface 14g, a side surface 14h, and a rib 14i as a reinforcing member. The switch fixing surface 14g is substantially parallel to the inclined surface 15b of the outer panel 15, and is bridged between the garnish main body 14a and the switch mounting leg 14d. The side surface portion 14h is provided so as to close a space formed by the garnish main body portion 14a, the switch mounting leg portion 14d, and the switch fixing surface 14g. The rib 14i extends in a lattice shape from the side surface 14h toward the center in the vehicle width direction inside a space surrounded by the garnish body 14a, the switch mounting leg 14d, and the switch fixing surface 14g.

In the present embodiment, each of the switch fixing surface 14g, the side surface 14h, and the rib 14i has a thin portion 14j at a connection portion with the garnish main body 14a and the switch mounting leg 14d. The thickness of the thin portion 14j is set to a thickness that can be broken when an impact load is input to the garnish 14 from behind the vehicle 1.
It is assumed that the garnish body 14a and the switch mounting portion 14b are integrally formed.

  Hereinafter, a deformation process of the garnish 14 and the outer panel 15 when a rear collision occurs in the vehicle 1 will be described with reference to FIGS.

  First, when a rear collision of the vehicle 1 occurs and an impact load is input to the garnish 14 from the rear of the vehicle as shown in FIG. 6A, the leg end 14f of the garnish 14 is attached to the license plate mounting surface of the outer panel 15. Contact 15d.

  Here, as described above, since the angle θ between the switch mounting leg 14d and the license plate mounting surface 15d on the tailgate door switch 13 side is an acute angle, the leg end 14f is attached to the license plate mounting surface 15d. Upon contact, as shown in FIG. 6B, the leg tip 14f becomes a base point, and the leg tip 14f side of the switch mounting leg 14d moves downward. When the leg end 14f moves downward, the thin portion 14j provided at the connection between the switch mounting leg 14d and the switch fixing surface 14g, the side surface 14h, and the rib 14i is broken, and the switch mounting leg 14d is broken. Is separated from the switch holding portion 14e.

  Thereafter, when the garnish body 14a further moves toward the front side of the vehicle, as shown in FIG. 6C, the leg tip 14f of the switch mounting leg 14d further moves downward, while the switch holding portion 14e is fixed. The outer panel inclined surface 15b and the license plate mounting surface 15c are pushed in a direction in which the clip 14c rotates toward the front of the vehicle.

  Thereby, the garnish 14 and the outer panel 15 are deformed in a state where the clearance between the garnish 14 and the switch operation unit 13b is secured. Specifically, the lower end side of the garnish main body 14a is prevented from approaching the switch operation section 13b by moving the leg tip 14f side of the switch mounting leg 14d further downward. When the switch holding portion 14e whose rigidity is improved by the rib 14i pushes the outer panel inclined surface 15b and the license plate mounting surface 15c, the outer panel 15 pushed into the switch holding portion 14e corresponds to the switch holding portion 14e. The deformation is performed while maintaining the space of the part, and the outer panel 15 is prevented from contacting the switch operation part 13b.

  Therefore, according to the tailgate door switch mounting structure according to the present embodiment, the switch mounting portion 14b is provided with the rib 14i, and the garnish body portion 14a and the switch mounting portion 14g, the side surface portion 14h, and the rib 14i are provided. By providing the thin portions 14j at the connection portions with the leg portions 14d, when a rear collision of the vehicle 1 occurs, the switch mounting leg portions 14d are peeled off from the switch holding portions 14e and moved downward, and the garnish body 14a is moved downward. Can be prevented from approaching the switch operation section 13b, and the outer panel 15 is deformed while maintaining a predetermined distance from the switch operation section 13b by the switch holding section 14e whose rigidity is improved by the rib 14i. It is possible to clear the switch operation section 13b and the surrounding area. To ensure can tailgate door switch 13 is prevented from tailgate door 12 interferes with such garnish 14 and the outer panel 15 is opened.

  The present invention provides a tailgate door that opens and closes a rear opening of a vehicle, an electric switch that opens a lock mechanism that holds the tailgate door in a closed state on the vehicle body side, and a switch mounted on the tailgate door. The present invention can be applied to a mounting structure of a tailgate door switch of a vehicle having a covering garnish.

DESCRIPTION OF SYMBOLS 1 Vehicle 11 Rear opening part 12 Tail gate door 13 Tail gate door switch 13a Switch body part 13b Switch operation part 13c Open switch (switch)
13d Lock switch 14 Garnish 14a Garnish body 14b Switch mounting part 14c Fixing clip 14d Switch mounting leg (leg)
14e Switch holding part 14f Leg tip 14g Switch fixing surface (fixing surface)
14h Side surface 14i Rib (reinforcing member)
14j Thin portion 15 Outer panel 15a Mounting hole 15b Outer panel inclined surface 15c Outer panel inclined surface 15d License plate mounting surface

Claims (3)

A tailgate door that opens and closes the rear opening of the vehicle,
An outer panel of the tailgate door,
An electric switch that is disposed on the tailgate door and that releases a lock mechanism that holds the tailgate door closed on the vehicle body side;
A garnish attached to the tailgate door and covering the vehicle rear side of the switch,
The garnish has a switch mounting portion for fixing the switch,
The switch mounting portion is a leg extending from a lower end of the garnish main body toward the outer panel in a vehicle front direction, and is bridged between the garnish main body and the leg through the outer panel. A fixing surface for fixing the switch, and a reinforcing member formed integrally with the fixing surface and disposed in a space formed by the garnish body, the legs, and the fixing surface,
A thin portion in which the fixing surface and the reinforcing member gradually decrease in thickness toward a connection portion between the garnish body and the leg, and break when an impact load is input to the garnish from behind a vehicle. A mounting structure for a switch for a tailgate door, comprising: 2. The tailgate door according to claim 1, wherein the reinforcing member has ribs arranged in a lattice in the space formed by the garnish body, the leg, and the fixing surface. 3. Switch mounting structure. 3. The mounting structure for a switch for a tailgate door according to claim 1, wherein an angle formed between the leg portion and the outer panel on the switch side is an acute angle.

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