JPH0586752A - Door lock striker with built-in curtesy switch - Google Patents

Abstract

PURPOSE:To obtain a door lock striker having a built-in curtesy switch with which the detection faculty of the curtesy switch can be improved. CONSTITUTION:A curtesy switch 14 is installed on the striker base board 12 of a door lock striker 10. A connector part 15 is integrally formed on the curtesy switch 14, and the connector part 15 is inserted into a through hole 13 as a connector installation hole formed on the striker base board 12. Further, a collar 23 is arranged at the top edge part 14A of the curtesy switch 14 and on the outer peripheral part of an engagement shaft 16 which penetrates through an elliptical hole 18B driled on a knob 18, and the floating-up of the curtesy switch 14 is prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock striker with a built-in courtesy switch used for automobile doors or trunk lids.

[0002]

2. Description of the Related Art Conventionally, a door lock striker used for a door or a trunk lid of an automobile has a built-in courtesy switch that is surely operated regardless of the construction and deformation of the door or the trunk lid. Door lock striker is known.

As an example of this door lock striker with a built-in courtesy switch, there is JP-A-62-280472.

As shown in FIGS. 11 and 12, in this courtesy switch built-in door lock striker 70, the engagement shaft 72 has an engaging leg portion 72A and a non-engaging leg portion 72B.
Is formed in a substantially U-shape having two legs 72A,
Each 72B is fixed to the striker base 74. Further, as shown in FIG. 12, a mounting hole 76 is formed on the non-meshing leg portion 72B side of the striker base 74, and the engaging leg portion 72A and the latch 78 are disengaged from each other in the mounting hole 76. A courtesy switch 80 for detecting the is attached.

[0005]

However, in the door lock striker 70 with a built-in courtesy switch, the striker engaging portion 78A of the latch 78 has the engaging shaft 7 formed therein.
In the process of completely meshing with the second meshing leg portion 72A, as shown in FIG. 11, the latch 78 rotates around the shaft 79 in the clockwise direction of FIG. The cam surface 78B formed on the outer periphery is
The knob 82 of the courtesy switch 80 is brought into contact with and pressed.

Therefore, the striker engaging portion 7 of the latch 78 is
8A and the meshing leg portion 72A of the engagement shaft 72 and the knob 82 of the courtesy switch 80 are apart from each other, so that the striker engagement portion 78A of the latch 78 and the meshing leg portion 72A of the engagement shaft 72 mesh with each other. There is a problem that the amount of change in the movement amount of the knob 82 due to an error increases and the detection capability of the courtesy switch 80 decreases.

SUMMARY OF THE INVENTION In consideration of the above facts, an object of the present invention is to obtain a door lock striker with a built-in courtesy switch capable of improving the detection capability of the courtesy switch.

[0008]

According to a first aspect of the present invention, there is provided a striker base provided with an engagement shaft, and a through hole provided on the engagement shaft mounting surface of the striker base and through which the engagement shaft penetrates. A courtesy switch in which a hole is formed near the detection unit and a connector unit is integrally formed, a collar arranged on the outer peripheral portion of the engaging shaft to prevent the courtesy switch from floating, and provided on the striker base. And a connector mounting hole through which the connector portion is inserted.

[0009]

In the present invention having the above-mentioned structure, the courtesy switch mounted on the striker base has the integrally formed connector portion inserted into the connector mounting hole provided on the striker base, and in the vicinity of the detection portion of the courtesy switch. The courtesy switch is prevented from floating by the collar arranged on the outer peripheral portion of the engaging shaft that penetrates the through hole formed in the. Therefore, the courtesy switch can be accurately and surely fixed to the striker base. Further, since the engagement shaft and the detection unit of the courtesy switch are close to each other, the change amount of the movement amount of the detection unit of the courtesy switch caused by the meshing error between the engagement shaft and the latch can be reduced, and the detection capability of the courtesy switch can be reduced. Can be improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described with reference to FIGS.

As shown in FIG. 6, a long courtesy switch 14 is fixed to the center of the striker base 12 of the door lock striker 10.

As shown in FIG. 7, the courtesy switch 1
4, a connector portion 15 having a rectangular cross section is integrally formed, and this connector portion 15 is the striker base 1.
It is inserted in a through hole 13 as a rectangular connector mounting hole formed in the center of the second connector 2. Further, the claw 15A formed on the connector portion 15 is engaged with the edge portion of the through hole 13 to prevent the courtesy switch 14 from being attached and lifted.

As shown in FIG. 8, the courtesy switch 1
4 is provided with a knob 18 as a detection unit that is movable in the longitudinal direction of the courtesy switch 14 (left and right direction in FIG. 8). At one end 18A of the knob 18, the moving terminal 1
7, the fixed terminal 19 is arranged on the opposite side of the moving terminal 17 from the knob 18. A compression coil spring 21 is inserted between the movable terminal 17 and the fixed terminal 19 to urge the movable terminal 17 in the direction of the knob 18 (direction of arrow A in FIG. 8). Further, a long hole 18B is formed as a through hole along the longitudinal direction of the courtesy switch 14 at the center of the knob 18.

In this long hole 18B, the courtesy switch 1
An engaging shaft 16 penetrating the tip end portion 14A of No. 4 penetrates, and the engaging shaft 16 regulates the movement of the knob 18 in the arrow A direction.

As shown in FIG. 7, the end portion 16A of the engagement shaft 16 which penetrates the knob 18 is fixed to the striker base 12.

As shown in FIG. 6, the striker base 12
A bent piece 20 forming a right angle with the striker base 12 and an arm 22 parallel to the striker base 12 are provided at one side edge of the striker base 12.
An L-shaped engagement shaft support plate 24 composed of and is provided integrally with the base portion 12. The other end 16B of the engagement shaft 16 is fixed to the end 22A of the arm 22. Engagement shaft 1
In the part between the arm 22 of 6 and the courtesy switch 14,
It is covered with a resin collar 23.
The door closing sound is gradually reduced and the courtesy switch 14 is prevented from floating.

Further, the striker base 12 is provided with a pair of mounting holes 26 sandwiching the courtesy switch 14, and the striker base 12 is fixed by a screw (not shown) penetrating the pair of mounting holes 26. As shown in FIG. 9, it is fixed to the center pillar 30A and the quarter pillar 30B of the vehicle body 30. On the other hand, front side door 3
2, a door lock 36 is fixed to the rear side door 34, and as shown in FIG. 7, the latch 37 of the door lock 36 engages with the engagement shaft 16 of the door lock striker 10 when the door is closed, and Knob 18 is door lock 3
6 or a convex portion 36A provided on the door lock cover, and moves in the direction of entering the courtesy switch 14 (direction of arrow B in FIG. 7) against the biasing force of the compression coil spring 21. There is.

As shown in FIG. 6, the striker base 12
A pair of engaging recesses 40, one end of which is open, are formed on the outer peripheral edges of the pair of mounting holes 26 on the back surface side of the.

As shown in FIG. 1, the striker base 12
Is covered with a striker cover 42, and the striker cover 42 is made of synthetic resin having appropriate elasticity. As shown in FIG. 5, a rectangular opening 44A is formed in the center of the striker cover 42,
A pair of opposed rectangular notches 44 are formed at the ends of the opening 44A. Also, striker cover 4
A pair of claws 50 are formed in a portion of the striker base 12 corresponding to the engagement recess 40, and as shown in FIG. 2, when the striker cover 42 is assembled to the striker base 12, the claws 50 are formed. Engages with the engagement recess 40 of the striker base 12 and prevents the striker cover 42 from floating (movement in the direction of arrow C in FIG. 2) in this state.

Further, as shown in FIG. 5, the opening 44A
Vertical wall portions 52 are provided at the edges of the courtesy switch 14 as shown in FIG.
The striker cover 42 is prevented from floating by penetrating below the bulging portion 14B provided at the opposite end of the knob 18. As shown in FIG. 5, in the vicinity of the contact portion between the vertical wall portion 52 of the striker cover 42 and the bulging portion 14B of the courtesy switch 14, a pair of engagement pins 54 project from the striker cover 42 toward the striker base 12 side. Has been done. Further, at the end portion of the opening portion 44A opposite to the cutout portion 44, the wall portion 4 having a height that goes under the courtesy switch 14 is provided.
6 is formed, and the outside of the wall portion 46 is a semi-circular fin portion 48. Therefore, striker cover 4
In the state in which 2 is assembled to the striker base 12, as shown in FIG. 3, the fin portion 48 bends to prevent the striker cover 42 from being attached and lifted.

As shown in FIG. 4, the striker cover 4
In the state in which 2 is assembled to the striker base 12, the engagement pins 54 are fitted into the pair of pin insertion holes 56 formed in the striker base 12, and in this state, the striker cover 42 is opened (see FIG. 4 movement in the direction of arrow D) is prevented.

The door lock striker 1 of this embodiment is used.
When the striker cover 42 of 0 is assembled to the striker base 12, the engagement shaft 16 (including the engagement shaft support plate 24) and the courtesy switch 14 are inserted into the opening 44 of the striker cover 42. Next, the striker cover 42 is opened at the opening 44, the claws 50 of the striker cover 42 are laterally engaged with the engagement recesses 40 of the striker base 12, and the striker cover 42 is opened. Push in the direction of the striker base (the direction of arrow G in FIG. 4) to insert the pin insertion hole 56 provided in the striker base 12.
The engagement pin 54 of the striker cover 42 is fitted to the.

Further, as shown in FIG. 10, when the striker cover 42 is removed from the striker base 12,
By inserting a tool 61 such as a screwdriver between the notch 44 of the striker cover 42 and the courtesy switch 14 and removing the engagement pin 54 of the striker cover 42 from the pin insertion hole 56, the striker cover 42 is opened at the opening 44. It can be opened, and the claw 50 of the striker cover 42 can be easily removed from the engagement recess 50 of the striker base 12.

Next, the operation of this embodiment will be described. In the door lock striker 10 of this embodiment, the striker base 12
The courtesy switch 14 attached to the
5 is inserted into a through hole 13 as a connector mounting hole provided on the striker base 12, and also penetrates the tip portion 14A of the courtesy switch 14 to provide a knob 1 as a detection portion.
The floating of the courtesy switch 14 is prevented by the collar 23 arranged on the outer peripheral portion of the engaging shaft 16 penetrating the elongated hole 18B as a through hole formed in the hole 8.

Therefore, the courtesy switch 14 can be accurately and surely fixed to the striker base 12, and the engagement shaft 16 and the knob 18 of the courtesy switch 14 are close to each other, so that the engagement error between the engagement shaft 16 and the latch 37 can occur. The amount of change in the amount of movement of the knob 18 caused by this can be reduced, and the detection capability of the courtesy switch 14 can be improved.

The door lock striker 1 of this embodiment is also used.
At 0, as shown in FIG. 7, the knob 18 of the courtesy switch 14 is pressed by the convex portion 36A provided on the door lock cover of the door lock 36 and resists the biasing force of the compression coil spring 21. The structure is such that it moves in the direction of entering the inside (the direction of arrow B in FIG. 7), and like the prior art shown in FIG.
Since it does not contact the knob 82 of the courtesy switch 80 while rotating and presses the knob 82, abrasion and damage of the contact surface of the knob 18 with the convex portion 36A of the door lock cover can be prevented.

[0027]

Since the present invention has the above-mentioned structure, it has an excellent effect that the detection capability of the courtesy switch can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a door lock striker according to an embodiment of the present invention.

2 is a sectional view taken along line 2-2 of FIG.

3 is a sectional view taken along line 3-3 of FIG.

FIG. 4 is a sectional view taken along line 4-4 of FIG.

FIG. 5 is a perspective view showing a striker cover of a door lock striker according to an embodiment of the present invention.

FIG. 6 is a perspective view showing a striker base of a door lock striker according to an embodiment of the present invention.

7 is a sectional view taken along line 7-7 of FIG.

8 is a sectional view taken along line 8-8 of FIG.

FIG. 9 is a side view showing a door area of a vehicle body to which a door lock striker according to an embodiment of the present invention is applied.

FIG. 10 is a sectional view corresponding to FIG. 4, illustrating the removal of the door lock striker according to the embodiment of the present invention.

FIG. 11 is a plan view showing a door lock striker according to a conventional example.

12 is a sectional view taken along line 12-12 of FIG.

[Explanation of symbols]

 10 door lock striker 12 striker base 13 through hole (connector mounting hole) 14 courtesy switch 15 connector part 16 engaging shaft 18 knob (detecting part) 18B long hole (through hole) 23 color

Claims (1)

[Claims] 1. A striker base provided with an engagement shaft,
A courtesy switch in which a through hole, which is provided on the engagement shaft mounting surface of the striker base and through which the engagement shaft penetrates, is formed in the vicinity of the detection unit, and a connector unit is integrally formed, and the engagement shaft A collar arranged on the outer periphery to prevent the courtesy switch from floating, and a connector mounting hole which is provided on the striker base and through which the connector section is inserted,
A door lock striker with a built-in courtesy switch.