JP2000080834A - Sensor switch mounting structure for door lock unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure whereby a sensor switch can surely be added to the outer surface of a door lock unit. SOLUTION: A locating pin 24, two cylinder parts 25, and one mounting hole are formed on the outer surface of a door lock unit 4 and a locating hole 27, two insertion leg parts 28, and one clamping leg part 30 are formed on a bracket 21. Each side end of at least one of the two insertion leg parts 28 is in contact with the interior wall of each side of the corresponding cylinder part 25.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sensor switch mounting structure for a door lock unit.

[0002]

2. Description of the Related Art A door lock unit is provided on a slide door on the side of a vehicle and a back door on a rear side, and engages with a striker provided on a vehicle body to maintain a closed state of the door. (Refer to Japanese Utility Model Laid-Open No. 5-78855 as a similar technique). In the development of this type of door lock unit, there is a demand to add a new part to the outer surface thereof while maintaining the existing structure of the door lock unit itself.

[0003]

However, since a large number of parts are assembled in the door lock unit, even if another new part is to be added to the outer surface of the door lock unit, the area for attachment is small and it is difficult. In particular, in the case of a door lock unit used for a door closure device that automatically closes the door by a driving force of a motor after the door is partially closed, the number of parts is particularly large, and a new part is provided on the outer surface thereof. Is extremely difficult to add. In addition, it is more difficult when the component to be added is a sensor switch that requires strict positional accuracy.

The present invention has been made by paying attention to such a conventional technique, and provides an attachment structure capable of reliably adding a sensor switch to an outer surface of a door lock unit.

[0005]

According to the first aspect of the present invention,
A sensor switch mounting structure of a door lock unit in which a bracket is mounted on an outer surface of a door lock unit to which various parts are attached, and a sensor switch is mounted on an upper surface of the bracket.
A locating pin is projected from the locating pin, and two parallel cylindrical portions opened toward the locating pin side and one mounting hole are formed at both sides of the locating pin, and the locating pin is inserted into the bracket. Forming two holes, two insertion legs inserted into the cylindrical portion at both ends, and one fastening leg which is fastened to the mounting hole by a fastening component; The two ends of at least one of the insertion leg portions are in contact with the inner walls on both sides of the corresponding tubular portion.

According to the first aspect of the present invention, since there are three mounting points for the bracket, the mounting points can be secured even on the outer surface of the door lock unit having a small mounting area. Further, since two of the three attachment points are inserted and only one is fastened, the attachment work is easy. Further, the locating pin is inserted into the locating hole of the bracket, and both ends of at least one of the insertion legs come into contact with the inner walls on both sides of the corresponding cylindrical portion.
The positioning of the bracket in the longitudinal direction and the rotation direction is performed.

According to the second aspect of the present invention, the harness of the sensor switch is routed on the upper surface of the bracket and guided to the outside of the bracket.

According to the second aspect of the present invention, since the harness of the sensor switch is routed on the upper surface of the bracket and is guided to the outside of the bracket, a part of the parts from the outer surface during the operation of the door lock unit. Even if it protrudes, the harness can be protected.

According to the third aspect of the present invention, the harness holder is fastened to the fastening part together.

According to the third aspect of the present invention, since the harness holder is fastened to the fastening part, the path of the harness guided to the outside of the bracket can be restricted.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings. This embodiment relates to a door lock unit used for a door closure device incorporated in a slide door of a wagon vehicle.

FIG. 1 shows an external view of the slide door 1. As shown in FIG.
The slide door 1 opens and closes in the front-rear direction, moves toward the inside of the vehicle immediately before closing, and engages with a striker 2 provided on the vehicle body.

As shown in FIG. 2, a door closure device 6 having a structure in which a drive unit 3 and a door lock unit 4 are connected by wires 5 is installed inside the slide door 1. The drive unit 3 engages a pinion gear 8 rotated by a motor 7 with a rack gear 9, and rotates the rack gear 9 in a reduced state. Brackets 10 are fixed to the rack gear 9 at predetermined intervals, and the T of the wire 5 is inserted into the notch 11 formed at a position corresponding to each of the bracket 10 and the rack gear 9.
Shaped head pin 12 is engaged. A wire 5 from the drive unit 3 to the door lock unit 4 has an outer tube 1 having one end fixed to a base 3 a of the drive unit 3.
7.

Next, the basic structure of the door lock unit 4 will be described. A latch plate 13 (see FIG. 4) that engages with the striker 2 is rotatably provided on the door lock unit 4, and a close lever 14 is provided at a position adjacent to the latch plate 13 so as to be vertically movable. I have. At the lower end of the closing lever 14, a clevis 1 having a U-shaped cross section is provided.
5 is attached, and a ball 16 provided at the other end of the wire 5 guided downward with respect to the clevis 15 is engaged.

Therefore, when the slide door 1 is closed, the striker 2 enters into the engagement groove 18 of the latch plate 13 and the latch plate 13 is slightly rotated to the half-latch position. When the latch plate 13 reaches the half-latch position, the sensor switch 19 detects the state, and rotates the motor 7 of the drive unit 3 to pull the wire 5. When the wire 5 is pulled, the closing lever 14 connected via the clevis 15 is raised, and the upper end 14a of the closing lever 14 is rotated to the half-latch position, so that the latch plate 13 is at the corresponding position.
Of the latch plate 1
3 is further rotated to the full latch position.

Next, the mounting structure of the sensor switch 19 for detecting the half latch position of the latch plate 13 will be described. The sensor switch 19 is attached via a bracket 21 to an outer surface formed by the base 22 and the body 23. On the outer surface of the door lock unit 4, a locate pin 24 (see FIG. 7) protrudes. Locating pins 2 are located on both sides of the locating pin 24.
Two parallel cylindrical portions 25 opened toward the four sides and one mounting hole 26 are formed.

On the other hand, a locating hole 27 into which the locating pin 24 is inserted is formed in the bracket 21, and two insertion legs 2 inserted into the cylindrical portion 25 are formed at both ends.
8 and one fastening leg 30 that is fastened to the mounting hole 26 by a screw (clip may be used) 29 as a “fastening component”. Width of insertion leg 28 and cylindrical portion 25
And the inner width substantially match.

The sensor switch 19 is mounted on the upper surface of the bracket 21 in advance.
9, the two insertion legs 28 of the bracket 21 to which the
First, it is inserted into the corresponding cylindrical portion 25. The insertion leg 28 is movable in the insertion direction within the cylindrical portion 25, but the side end of the insertion leg 28 is in contact with the inner walls on both sides of the cylindrical portion 25, so that the insertion leg 28 is displaced in the orthogonal direction. Can not.

Then, after inserting the insertion leg portion 28 into the cylindrical portion 25, the locate pin 24 is inserted into the locate hole 27. Finally, the ring-shaped holder 3 passed through the harness 31
2 together with the fastening leg 30 of the bracket 21.
Is fastened to the mounting hole 26 with the screw 29. Holder 32
As a result, the harness 31 is arranged on the upper surface of the bracket 21. Therefore, even if some of the other components protrude from the outer surface during the operation of the door lock unit 4, the harness 31 can be protected.

According to this embodiment, the mounting points of the bracket 21 are three of the two insertion legs 28 and one fastening leg 30.
Therefore, the mounting point can be secured on the outer surface of the door lock unit 4 having a narrow mounting area. In addition, two of the three attachment points are simply inserted, and only one is fastened with the screw 29, so that the attachment work is easy. Further, the locating pin 24 is inserted into the locating hole 27 of the bracket 21, and the both ends of the insertion leg 28 correspond to the cylindrical portion 2.
5 comes into contact with the inner walls on both sides, so that the bracket 21 is positioned in the longitudinal direction and the rotation direction in the mounted state. Therefore, the present invention can be applied to the mounting of the sensor switch 19 which requires accurate positional accuracy.

In the above description, the slide door 1 is taken as an example of the door on which the door closure device is mounted.
However, the present invention is not limited to this, and may be mounted on an upper opening type back door or the like provided at the rear of the automobile.

[0022]

According to the first aspect of the present invention, since there are three mounting points for the bracket, the mounting points can be secured even on the outer surface of the door lock unit having a small mounting area.
Further, since two of the three attachment points are inserted and only one is fastened, the attachment work is easy. In addition, the locating pin is inserted into the locating hole of the bracket, and both ends of at least one of the insertion legs come into contact with the inner walls on both sides of the corresponding tubular portion. Positioning in the longitudinal and rotational directions is performed.

According to the second aspect of the present invention, since the harness of the sensor switch is routed on the upper surface of the bracket and is guided to the outside of the bracket, a part of the parts from the outer surface during the operation of the door lock unit. Even if it protrudes, the harness can be protected.

According to the third aspect of the present invention, since the harness holder is fastened to the fastening part, the path of the harness guided to the outside of the bracket can be regulated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an automobile in which a door closure device according to an embodiment of the present invention is mounted on a door.

FIG. 2 is a side view showing a drive unit and a door lock unit of the door closure device.

FIG. 3 is a side view as viewed from a direction indicated by an arrow DA in FIG. 2;

FIG. 4 is a schematic side view showing the internal structure of FIG. 3;

FIG. 5 is a side view as viewed from a direction indicated by an arrow DB in FIG. 2;

FIG. 6 is a sectional view taken along the line SA-SA shown in FIG. 5;

FIG. 7 is a sectional view taken along the line SB-SB shown in FIG. 5;

[Explanation of symbols]

 4 Door Lock Unit 19 Sensor Switch 21 Bracket 24 Locate Pin 25 Cylindrical Part 26 Mounting Hole 27 Locate Hole 28 Insertion Leg 29 Screw (Fastening Part) 30 Fastening Leg 31 Harness 32 Holder

Claims (3)

[Claims] 1. A sensor switch mounting structure for a door lock unit in which a bracket is mounted on an outer surface of a door lock unit to which various parts are assembled, and a sensor switch is mounted on an upper surface of the bracket. , A locate pin is protruded, and two parallel tubular portions opened toward the locate pin side and one mounting hole are formed at both sides of the locate pin, and the locate pin is inserted into the bracket. Forming two locating holes, two insertion legs inserted into the cylindrical portion at both ends, and one fastening leg fastened by a fastening component to the mounting hole; A door lock, wherein both end portions of at least one of the insertion leg portions are in contact with inner walls on both sides of the corresponding tubular portion. Mounting unit sensor switch mounting structure. 2. The door lock unit according to claim 1, wherein the harness of the sensor switch is routed on the upper surface of the bracket and is guided to the outside of the bracket. Sensor switch mounting structure. 3. The sensor switch mounting structure for a door lock unit according to claim 1, wherein the harness holder is fastened to a fastening part together. Mounting structure.