JP2003320851A - Door lock structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door lock structure capable of satisfying both specifications of a standard vehicle and a swing slide door vehicle without changing a door butting shape on the car body side. <P>SOLUTION: In the door lock structure, latches 6, 7 are provided on a swing slide door 2 for opening/closing an opening 1a of the car body 1, strikers 8, 9 are provided at a position opposed to the latch and at the opening of the car body, and the latch and the striker are engaged with each other. A front end edge at engagement parts 7d, 8d of the striker engaged with the latch and on the door advancement side is arranged in approximately perpendicular to the door advancement tracks B, C and the engagement (meshing) of the engagement part of the striker and the engagement part of the latch is optimized. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door lock structure provided with a swing slide door.

[0002]

2. Description of the Related Art When a vehicle such as a truck is parked in a narrow space, the opening and door of a cab (vehicle body side) 1 as shown in FIG. 2 is provided with a swing slide unit 3 composed of a parallel link, a slide rail 4 is attached to the door 2 side, and the door 2 is arcuate outward from the front side to the rear side with respect to the cab 1 as shown by an arrow A. There is a door having a swing slide structure (swing slide door) in which the opening of the cab 1 is largely opened by pushing the door open and then sliding it backward. As a result, an occupant can smoothly get on and off the cab 1 even in a narrow space.

[0003]

By the way, in a standard vehicle having a structure in which one side of a door, for example, a front end portion is supported by a cab front pillar so as to be openable and closable by a hinge, a door inner panel has a rear end face (vertical wall). The structure is such that a latch is provided and a striker is provided on the rear pillar side, and only the rear end of the door draws an arcuate locus to enter and exit the opening.

On the other hand, in the swing slide door, it is necessary to lock the front and rear sides of the door 2 in the opening of the cab 1. As a door lock function, latches are provided at the front and rear ends of the door 2, respectively. Strikers are provided on the front and rear pillars of the vehicle body that face each other, so that the front and rear sides are locked. Moreover, when the door is opened and closed, the front and rear ends both enter and exit in an arcuate path with respect to the front pillar and the rear pillar of the opening of the cab 1, so that the path of entry into the door opening (hereinafter The "door entry locus") is completely different from the door entry locus of the standard vehicle, and accordingly, the door-contact shapes on the vehicle body side and the door side are different.

Therefore, conventionally, when the specifications of a swing slide door are changed, the door entry locus is changed by modifying both the vehicle body side and the door along with the addition of the door fixing function to the front pillar side of the vehicle body. Are dealing with the doorstep against. However, in order to change the door stop shape on the vehicle body side to make it a swing slide door, the shapes of large parts such as front pillars and rear pillars must be changed, and molds and welding jigs for these large parts are required. Therefore, there is a problem that the equipment cost increases and the number of parts in stock increases.

Therefore, an object of the present invention is to provide a door lock structure capable of satisfying the specifications of both the standard vehicle and the swing slide door vehicle without changing the vehicle body side door contact shape.

[0007]

To achieve the above object, according to the present invention, a swing slide door for opening and closing an opening of a vehicle body is provided with a latch, and the latch is provided at a position facing the latch and at the opening of the vehicle body. In a door lock structure in which a striker is provided and the latch and the striker are engaged with each other, a front end edge of a door entrance side which is an engaging portion of the striker engaging with the latch and is arranged at a right angle to a door entrance trajectory. By doing so, the engagement (engagement) between the engagement portion of the striker and the engagement portion of the latch is optimized. As a result, it becomes possible to make a swing slide door by modifying only the door side without changing the vehicle body side door contact shape.

According to a second aspect of the present invention, the striker pedestal is provided with an inclination angle to incline the front end portion of the engagement portion on the door entry side, and the striker is arranged so as to be substantially perpendicular to the door entry trajectory. It becomes possible to do.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be exemplarily described in detail below with reference to the drawings. 1 is a side view of a cab of a vehicle to which a door lock structure according to the present invention is applied, FIG. 2 is a sectional view of the cab shown in FIG.
FIG. 3 is a sectional view of the cab shown in FIG. 1 taken along the arrow line III-III, and FIG. 4 is a perspective view showing an embodiment of a striker applied to the door lock structure of the present invention.

In FIG. 1, a swing slide mechanism (not shown) consisting of a parallel link is provided between the opening of the cab (vehicle body side) 1 and the door 2, and the door 2 is located outside the cab 1. In addition, the swing slide door is opened by making a circular arc from the front side toward the rear side and pushing and opening the slide slide backward to open the opening portion of the cab 1 largely.

As shown in FIGS. 2 and 3, the opening portion 1a of the cab (vehicle body side) 1 has a door mounting structure for a standard vehicle, and the door stop shape is the same as that of the standard vehicle.
That is, the front pillar (vehicle body side pillar) 3 of the opening 1a
The side surface 3a of (FIG. 2) is a door hinge mounting portion, one side of the hinge is fixed via a bracket, and the other side of the hinge is fixed to the front end surface of the door of the standard vehicle so that the door is openably and closably supported. A striker is provided on the rear end surface of the door, and a latch (neither shown) that engages with the striker is attached to the front surface 4a of the rear pillar 4 (FIG. 3) so that the door can be locked. Thereby, the opening 1
It is possible to attach a standard car door to a.

The front part and the rear part of the door 2 enter or leave with respect to the opening 1a in an arcuate locus as shown by the alternate long and short dash lines B and C in FIGS. The door contact shape of the door 2 is a shape that matches the door contact shape of the vehicle body side, that is, the opening portion 1a of the cab 1 according to the door entry trajectory. That is, as shown in FIG. 3, the door inner panel 5
The rear end surface 5b is set to an optimum angle in accordance with the change of the door entry locus to ensure a clearance with the cab (vehicle body) 1 side.

Since the door 2 is a swing slide door, as shown in FIGS. 2 and 3, the front end surface (vertical wall) 5a and the rear end surface (vertical wall) 5b of the door inner panel 5 have the opening 1a. The front pillar 3 and the rear pillar 4 can be locked respectively, and the door inner panel front end surface 5 of the door 2
Latches 6 and 7 are provided on the a and rear end surfaces 5b, and strikers 8 and 9 that engage with the latches 6 and 7 are fixed to the side surface 3a of the front pillar 3 and the front surface 4a of the rear pillar 4.

The striker 8 is fixed to the door hinge mounting portion on the side surface 3a of the front pillar 3 via a bracket 11, and the striker 9 is fixed to the front surface 4a of the rear pillar 4. The striker 8 has a base 8 as shown in FIG.
Both ends of a U-shaped engaging portion 8d are vertically fixed to the central portion 8b of a, and mounting holes 8e are formed in both side portions 8c. The central portion 8b of the pedestal 8a is formed so as to be inclined inwardly at an optimum angle according to the door entry locus B with respect to both side portions 8c (FIG. 2), and accordingly, the engaging portion 8d. Is inclined inward.

As shown in FIG. 2, in the striker 8, when both side portions 8c are fixed to the bracket 11 by the bolts 12 and the nuts 13, the front end edge 8d 'of the engaging portion 8d is substantially relative to the door entry locus B. It is set to make a right angle. Further, the latch 6 attached to the door 2 side is provided so that the engaging portion 6 a is substantially orthogonal to the door entry trajectory B. As a result, the engagement (meshing) between the engagement portion 8d of the striker 8 and the engagement portion 6a of the latch 6 is optimized.

As shown in FIG. 3, the striker 9 on the rear side has a U-shaped engaging portion 9d vertically fixed at both ends to the central portion 9b of the pedestal 9a similarly to the striker 8. A mounting hole 9e is formed in 9c. The central portion 9b of the pedestal 9a is formed to be inclined outward with respect to both side portions 9c at an optimum angle according to the door entry trajectory C, and accordingly, the engaging portion 9d is inclined outward. is doing.

The striker 9 has bolts 1 on both sides 9c.
4, the front end edge 9d ′ of the engaging portion 9d is set to be substantially perpendicular to the door entry locus C in a state of being fixed to the front surface 4a of the rear pillar 4 by the nut 15. Also,
The latch 7 attached to the inner panel rear end surface 5b of the door 2 is provided such that the engaging portion 7a is substantially orthogonal to the door entry trajectory C. As a result, the engagement (engagement) between the engagement portion 9d of the striker 9 and the engagement portion 7a of the latch 7 is optimized.

As described above, with respect to the striker 8 for fixing the door on the side of the front pillar 3, as shown in FIG. 2, the door hinge attachment portion 3a of the standard vehicle is diverted and the striker 8 is attached by the bracket 11 to fix the door. Configure the function. In addition, as the door entry trajectory changes, as shown in FIG. 3, an optimal angle is set on the rear end surface 5b of the door inner panel 5 to secure a clearance with the vehicle body side.
The striker 9 is tilted to optimize the engagement with the latch 7.

Accordingly, the door 2 can be fixed and the door contact can be satisfied by modifying the door 2 without modifying the body-side door contact shape. That is, a swing slide door can be realized by modifying only the door 2. In the above embodiment, the engagement portions 8d and 9d of the strikers 8 and 9 with the latches 6 and 7 are inclined toward the pedestals 8a and 9a, that is, the striker itself has an angle (inclination). An angle may be provided on the side striker mounting surface (seat surface).

[0020]

As described above, in the present invention, the swing slide door that opens and closes the opening of the vehicle body is provided with the latch, and the striker is provided at the position facing the latch and in the opening of the vehicle body. In the door lock structure in which the latch and the striker engage with each other, the striker engaging portion of the striker engaging with the latch and the front end edge on the door entry side are arranged substantially at right angles to the door entry trajectory. It is possible to optimize the engagement (engagement) between the engagement part and the engagement part of the latch, and it is possible to make a swing slide door by modifying only the door side without changing the door stop shape on the vehicle body side. Becomes As a result, it is possible to reduce the number of newly set parts when the swing slide door is used, and the equipment such as the mold for the newly set parts and the welding jig becomes unnecessary, so that the equipment cost can be reduced.

According to the second aspect of the present invention, the striker pedestal is provided with an inclination angle to incline the front end portion of the engagement portion on the door entrance side, and the striker is arranged so as to be substantially at a right angle to the door entrance trajectory. It becomes possible to deal with it.

[Brief description of drawings]

FIG. 1 is a side view of a cab of a vehicle to which a door lock structure according to the present invention is applied.

2 is a cross-sectional view of the cab shown in FIG. 1 taken along the line II-II.

3 is a cross-sectional view of the cab shown in FIG. 1 taken along the line III-III.

FIG. 4 is a perspective view showing an embodiment of the striker shown in FIG.

FIG. 5 is an explanatory diagram of a vehicle to which a swing slide door is applied.

[Explanation of symbols]

1 cab (body side) 2 doors (swing slide door) 3 front pillars 4 Lira pillar 5 door inner panel 6, 7 latch 6a, 7a engaging part 8, 9 striker 8a, 9a pedestal 8d, 9d engaging part 11 bracket

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Daisuke Yamamoto             16 580, Horikawa-cho, Saiwai-ku, Kawasaki-shi, Kanagawa             Within Ryo Automotive Engineering Co., Ltd. (72) Inventor Toru Yamashita             Mitsubishi Motors, 5-3-8 Shiba, Minato-ku, Tokyo             Industry Co., Ltd.

Claims (2)

[Claims] 1. A swing slide door that opens and closes an opening of a vehicle body is provided with a latch, a striker is provided at a position facing the latch and in the opening of the vehicle body, and the latch and the striker are engaged with each other. The door lock structure is characterized in that a front end edge on a door entry side, which is an engaging portion of the striker engaging with the latch, is arranged substantially at right angles to a door entry trajectory. 2. The door lock structure according to claim 1, wherein the pedestal of the striker is provided with an inclination angle.