JPH07186770A - Connection structure for key interlock cable - Google Patents

Abstract

PURPOSE:To surely prevent a rod from being connected to a holder in an insufficient state by, in connecting a key interlock cable to the rod of a shift operation section, pushing a stopper with the rod to remove it for moving a slider to a nonlocking position. CONSTITUTION:A key interlock cable 11 is connected to the rod 13 of a shift operation section in an automatic transmission at one end and to a key interlock mechanism at the other end. In order to connect the one end 11a of the cable 11 to the rod 13, the rod 13 is first inserted into the bore part 21 of a holder 15 to press a tip part 19a for removing a stopper 19 from a slider 17. Next, the pressing part 41a of an arm 41 is pressed to bend a flexible locking part 39 for making the slider 17 movable. The slider 17 is then moved to press a locking claw 23 into contact with the rod 13. The movement of the slider 17 toward the rod 13 is checked by a flange part 24, and the movement toward an opposite side is checked by an engagement between a flexible engaging part 27 and the flexible locking part 39.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure for a key interlock cable used in an automatic vehicle.

[0002]

2. Description of the Related Art The structure of a conventional key interlock cable is shown in FIG. 7 (see Japanese Utility Model Laid-Open No. 1-124419).

As shown in FIG. 7, one end 101a of the key interlock cable 101 is connected to the shift operation unit 103 of the automatic transmission, and the other end 101b is connected to the key interlock mechanism 105. Shift operation unit 10
3 is provided with a lock cam 109 that rotates together with the selector lever 107 when the selector lever 107 is moved into and out of the parking position, and one end portion 101a of the key interlock cable 101 is connected so as to interlock with the lock cam 109. . The key interlock mechanism 105 is provided with a key lock slider 113 slidably supported on the outer peripheral surface of the key cylinder 111, and the other end 101b of the key interlock cable 101 is connected to the key lock slider 113. There is. Key lock slider 11
3 is formed with an engaging recess 115 that opens toward the outer peripheral surface of the key cylinder 111. When the selector lever 107 moves in and out of the parking position P, the lock cam 109 rotates, and in conjunction with this, the key interlock cable 101.
Moves, and the key lock slider 113 slides via the key interlock cable 101. Key cylinder 1
A rotating sleeve 119 that is rotated by an ignition key 117 is provided inside the rotating sleeve 11.
9 is provided with a cam 121 that rotates in conjunction with the ignition key 117. The key cylinder 111 is provided with a lock pin 123, and the lower end of the lock pin 123 is in contact with the cam surface of the cam 121. As a result, the lock pin 123 follows the rotation of the cam 121 and moves in the radial direction of the key cylinder 111.

The lock cam 109 and the key lock slider 113 are engaged with the lock pin 123 by the engaging recess 115 only when the selector lever 107 is set to the parking position P.
Of the engaging recess 115 when it is moved to a position (release position) opposed to the tip end of the and is set to another shift position N, D, 2, 1.
So that the key interlock cable 10 is at a position (lock position) that does not face the tip of the lock pin 123.
They are connected by 1. That is, when the selector lever 107 is set to the parking position P, the key lock slider 113 becomes the release position, the lock pin 123 can project into the engaging recess 115, and the ignition key 117 is rotated to a position where it can be removed. If the shift positions N, D, 2, 1 are set to other shift positions, the key lock slider 113 is at the lock position, and the ignition key 117 cannot be removed.

FIG. 8 shows an example of a conventional connecting structure of the key interlock cable 101 and the shift operating section 103.

The lock cam 1 of the shift operation unit 103 shown in FIG.
A rod 131 as shown in FIG. 8 is provided at 09, and a holder 133 and a slider 135 are provided at the end portion 101a of the key interlock cable 101. The holder 133 is formed in a substantially cylindrical shape, and one end 13 of the holder 133 is
The rod 131 is inserted into the inner diameter portion 137 from 3a. The holder 133 is provided with a flexible lock claw 139 that can project into the inner diameter portion 137, and the lock claw 139 has a holder 1
Projection 1 projecting outward from the outer peripheral surface of one end 133a of 33
41 is provided. The slider 135 is formed in a tubular shape having a hollow portion 143 having a substantially circular cross section, and the holder 133 is inserted into the hollow portion 143. That is, the slider 135 is mounted on the outside of the holder 133 so as to be slidable along the insertion direction of the rod 131.

The slider 135 is attached to the one end 13 of the holder 133.
3a, the slider 135 abuts the protrusion 141 of the lock claw 139 and presses the lock claw 139, and this position becomes the lock position. On the contrary, when the slider 135 is in the intermediate portion 133b which is disengaged from the lock claw 139,
The slider 135 does not press the lock claw 139, and this position becomes the unlocked position.

When one end 101a of the key interlock cable 101 is connected to the rod 131, the slider 135 is moved to the unlocked position as shown in FIG.
After inserting the rod 131 into the inner diameter portion 137 of 33 to the regular position, the slider 135 is moved to the lock position as shown in FIG. As a result, the lock claw 139 moves the rod 13
The holder 133 and the rod 131 are connected to each other by crimping to 1.

[0009]

However, in such a connecting structure, before the rod 131 is inserted into the holder 133,
For example, when the key interlock cable 101 is being transported, the slider 135 may move to the lock position as shown in FIG. If the operator inserts the rod 131 into the holder 133 with the slider 135 moved to the lock position, the rod 131 may be connected to the holder 133 without being inserted to the regular position as shown in FIG. was there.

When the rod 131 is not fully inserted in this way, the sliding position of the key lock slider 113 shown in FIG. 7 does not reach the normal position, so that the engaging recess 115 remains even if the shift lever 107 is set to the parking position P. Lock pin 12
The ignition key 117 cannot be pulled out because the ignition key 117 does not face No. 3. Therefore, the key interlock mechanism 10
By confirming the operation of No. 5, it is possible to reliably detect the insufficient insertion of the rod 131, so there is no risk of quality problems by reconnecting the holder 133 and the rod 131. However, in the operation confirmation process of the key interlock mechanism 105, the rod 13
If 1 is reconnected to the holder 133, the work becomes complicated, which is one of the causes for lowering the productivity.

The present invention has been made in order to solve such a conventional problem, and its purpose is to reliably prevent the rod from being connected to the holder in an insufficiently inserted state. It is to provide a key interlock cable connection structure that can be performed.

[0012]

In order to achieve the above object, the invention according to claim 1 is a cylindrical body which is provided at the rod-side end of the key interlock cable and into which the rod is inserted from one end. A holder and a slider that is slidably mounted on the holder are provided, and the holder includes a crimping portion that is pressed by the slider and projects into the holder and is crimped to the inserted rod. A slider is provided so as to be movable along the insertion direction of the rod between a locked position where the crimping portion projects into the holder and an unlocked position where the crimping portion does not project into the holder. Insert the rod to the predetermined position in the holder in the locked position, slide the slider to the locked position,
A key interlock cable connection structure for connecting the key interlock cable to the rod by pressing the crimp portion of the holder to the rod, wherein the slider is a flexible member protruding toward the holder. A stopper is provided on the holder, and when the slider is in the lock position, the holder is pressed by the flexible locking portion to bend toward the inside of the holder and engage with the flexible locking portion. A joint portion is provided, a rod stopper inserted into the holder is detachably locked to the slider, and the rod stopper is locked to the rod stopper when the slider is moved to the lock position. The slider, on which the rod stopper is locked, and the restriction portion that supports the flexible displacement portion from the inside of the holder to regulate the inward bending of the flexible engagement portion are locked. And wherein the contact is pushed by the inserted rod to the slider provided with a rod contact portion is moved to the unlocked position upon insertion of the rod into the holder in a state where the location.

According to a second aspect of the present invention, there is provided the key interlock cable connecting structure according to the first aspect, wherein the slider is flexible at a predetermined temporary locking position of the unlocking position in the holder. Providing a temporary locking part that locks with the locking part,
The locking force between the temporary locking portion and the flexible locking portion when a sliding force in the insertion direction of the rod is applied to the rod stopper locked to the slider is determined by the relationship between the slider and the rod stopper. It is set stronger than the stopping force, and the rod stopper can be detached in the direction opposite to the rod,
The rod abutting portion abuts and pushes the inserted rod when the rod is inserted from one end of the holder to the predetermined position with the slider in which the rod stopper is locked in the lock position. The slider is moved to the temporary locking position, and further pushed by the rod to separate the rod stopper from the slider.

[0014]

According to the present invention, when the key interlock cable is connected to the rod, the rod is normally inserted to the predetermined position of the holder with the slider set to the unlocked position, and the slider is moved to the locked position. Let In such a locked position, the flexible engagement portion engages with the flexible engagement portion, so that the coupled state is maintained. Also, remove the rod stopper from the slider before moving the slider to the lock position.

When the slider moves to the lock position before inserting the rod into the holder, the flexible locking portion tries to engage with the flexible engaging portion. Since the inward bending of the locking portion is restricted by the restriction portion of the rod stopper, the flexible locking portion does not engage with the flexible engaging portion. Therefore, if the rod is inserted into the holder while the slider is still in the locked position, the rod contact part of the rod stopper is pushed by the rod and the slider moves to the unlocked position. Can be inserted up to. Then, after inserting the rod, the slider is moved to the lock position as described above.

According to the second aspect of the invention, the slider is usually temporarily locked at the temporary locking position, and the rod is inserted to the predetermined position of the holder in the temporary locking state. As a result, the rod abutting portion is pushed by the rod and the rod stopper comes off, so that it is possible to save the trouble of removing the rod stopper from the slider and improve workability.

Further, when the rod is inserted into the holder while the slider is still in the lock position, the rod contact portion is pushed by the rod and the slider moves to the temporary locking position via the rod stopper. After that, the connecting work may be performed in the same manner as the normal work.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a connecting structure of a key interlock cable according to an embodiment of the present invention, and FIGS.
6A and 6B are cross-sectional views showing the operation of the present embodiment, and FIG.
1 is a sectional view taken along the line AA of FIG. 1, and FIG. 3B is a sectional view taken along the line BB of FIG.

As shown in FIGS. 1 and 2, a rod 13 having a spiral groove on the outer peripheral surface is provided in a protruding manner at a shift operation portion (not shown) of the automatic transmission to which the key interlock cable 11 is connected. . On the other hand, key interlock cable 1
A holder 15 and a slider 17 are provided at the end 11a of the rod stopper 1. The rod stopper 1 is detachably attached to the slider 17.
9 is attached.

The holder 15 is formed in a substantially cylindrical shape, and the inner diameter d1 of the holder 15 is slightly larger than the outer diameter D1 of the rod 13. On the peripheral wall portion 22 of the holder 15, a flexible lock claw 23 as a crimping portion, a flexible engagement portion 27, and a temporary locking portion 29 are provided from the one end 15a toward the intermediate portion 15b. The rod 13 is formed in a substantially straight line along the axial direction, and the rod 13 is inserted into the inner diameter portion 21 from one end 15a of the holder 15. On the outer periphery of the one end 15a, a flange 24 is provided so as to abut the one end 17a of the slider 17, and the outer diameter D3 of the flange 24 is formed to be substantially equal to the outer diameter D4 of the slider 17.

The flexible lock claw 23 is divided into a rectangular shape by a notch groove formed in the peripheral wall portion 22, and has an intermediate portion 15b.
Side is supported and one end 15a side is bent inward, and the inner diameter portion 21
It can be projected inside. Holder 1 for lock claw 23
A projecting portion 25 is provided to project outward from the outer peripheral surface of 5.

The slider 17 has a hollow portion 3 having a substantially circular cross section.
5 is formed in a tubular shape. The inner diameter d2 of the slider 17 is formed slightly larger than the outer diameter D2 of the holder 15, and the holder 15 is inserted into the hollow portion 35 of the slider 17. That is, the slider 17 is slidably movable along the insertion direction of the rod 13 in the holder 15
Is mounted on the outside of.

When the slider 17 is on the side of the one end 15a of the holder 15, the slider 17 has the protrusion 25 of the lock claw 23.
And the lock claw 23 is pressed to bend the lock claw 23 inward. That is, this position becomes the lock position. On the contrary, when the slider 17 is located in the intermediate portion 15b which is disengaged from the lock claw 23, the slider 17 is locked by the lock claw 23.
This position becomes the unlocked position without pressing.

On the other end 17b of the slider 17, two arms 41 are provided so as to be vertically symmetrical, and both arms 4
1 is integrally formed with the slider 17. As shown in FIG. 2, each arm 41 is bent from an arm base portion 41 b that forms a peripheral wall portion of the slider 17 to form an inner surface 37 of the slider 17.
The flexible locking portion 39 that projects from the flexible locking portion 39 to the holder 15 side, and the arm pressing portion 41a that extends vertically outward from the flexible locking portion 39 and bends in the middle are provided. Further, as shown in FIG. 1, the two locking protrusions 43 are provided on the other end 17b of the slider 17,
It is provided so as to project symmetrically in the middle of both arms 41.

The rod stopper 19 has a large diameter portion 45 and a small diameter portion 47, both of which are formed in a cylindrical shape, and the large diameter portion 45 and the small diameter portion 47 are coaxially and integrally formed. At the tip of the large diameter portion 45 on the side where the small diameter portion 47 is not provided, two locking arms 49 are extended outward in the radial direction so as to be bilaterally symmetrical. At the tip of the locking arm 49,
A locking claw 51 that is locked to the locking protrusion 43 of the slider 17 is provided. When the locking claw 51 is locked to the locking protrusion 43, the rod stopper 19 is supported in the hollow portion 35 of the slider 17 substantially coaxially with the slider 17, and in this state, the small diameter portion 47 moves toward the rod 13 side. The large diameter portion 45 is located opposite to the rod 13. Then, when a force is applied to the slider 17 toward the rod 13 and a force is applied to the rod stopper 19 in the opposite direction to the rod 13,
The locked state of the locking claw 51 is released. That is, the rod stopper 19 can be detached in the direction opposite to the rod 13.

As shown in FIG. 1, the flexible engagement portion 27 of the holder 15 is divided into a rectangular shape by a notch groove formed in the peripheral wall portion 22, and the inner diameter portion 21 side projects in a triangular cross section. One end 15 a side of the flexible engagement portion 27 is supported, the intermediate portion 15 b side is bent inward, and the flexible engagement portion 27 can project into the inner diameter portion 21. The flexible engaging portion 27 is provided at a position facing the flexible locking portion 39 when the slider 17 is at the lock position, and is pressed by the flexible locking portion 39 to be pressed by the inner diameter portion 21 of the holder 15. It bends to the side and forms a recess on the outer peripheral surface of the holder 15. Then, the flexible locking portion 39 is engaged with the recess thus formed (see FIG. 5A).

The temporary locking portion 29 is a concave portion formed by bending a part of the peripheral wall portion 22 of the holder 15 toward the inner diameter portion 21 side, and a predetermined temporary locking of the intermediate portion at the unlocked position. It is provided in the position. The flexible locking portion 39 is locked to the temporary locking portion 29, and the holder 19 is temporarily locked to the slider 17 (see FIG. 2A). Further, the flexible locking portion 39 is bent and formed so that the tip thereof projects at an acute angle inwardly in an opposite direction to the rod 13, and the temporary locking portion 29 also corresponds to the flexible locking portion 39. It has a shape. As a result, the locking force between the temporary locking portion 29 and the flexible locking portion 39 is relatively strong against the force acting on the slider 17 in the rod 13 insertion direction, and is opposite to the rod 13 insertion direction. It is relatively weak against the force on. The locking force of the temporary locking portion 29 and the flexible locking portion 39 when the sliding force in the insertion direction of the rod 13 acts on the rod stopper 19 locked by the slider 17,
The locking projection 43 of the slider 17 and the rod stopper 19
Is set to be stronger than the locking force with the locking arm 49. Therefore, when a force in the insertion direction of the rod 13 is applied to the rod stopper 19 locked by the slider 17 in the temporarily locked state, the temporarily locked state between the slider 17 and the rod 15 is maintained and the rod stopper 19 is held. Is slider 17
(See FIGS. 3 (a) and 3 (b)).

The outer diameter D5 of the large diameter portion 45 of the rod stopper 19 is determined by the slider 1 on which the rod stopper 19 is locked.
When the movable member 7 is moved to the lock position, the flexible engaging portion 2
7 is abutted on the inner portion 21 side to support the flexible engagement portion 27 from the inner diameter portion 21 (FIG. 6).
(See (a)). That is, the large-diameter portion 45 corresponds to the flexible engagement portion 2
A regulating portion for regulating the inward bending of 7 is configured. On the other hand, the outer diameter D6 of the small diameter portion 47 is equal to the flexible engagement portion 27.
It is formed in a size that does not come into contact with the.

At the open end of the small diameter portion 47 (the tip 13a of the rod stopper 19 on the rod 13 side), the slider 17 to which the rod stopper 19 is locked is set to the lock position.
In this state, when the rod 13 is inserted from the one end 15a of the holder 15 to the predetermined position, the rod 17 is pressed against the tip of the inserted rod 13 to move the slider 17 to the temporary locking position, and The rod stopper 19 is pushed by the rod 13 to separate from the slider 17 (see FIGS. 6A and 6B). That is, the small diameter portion 47 is
It constitutes a rod contact portion that is pushed by the rod 13 and moves the slider 17.

Next, the operation of this embodiment will be described.

One end 1 of the key interlock cable 1
When connecting a to the rod 13, the rod 13 is usually attached to the inner diameter portion 21 of the holder 15 in the temporarily locked state as shown in FIG.
Insert to the regular position. When the rod 13 is inserted, the tip 13a of the rod stopper 19 on the rod 13 side abuts and is pushed by the tip of the rod 13 as shown in FIG.
The rod stopper 19 is disengaged from the slider 17 as shown in (b).

After the rod 13 is inserted to a predetermined position, the pressing portion 41a of the arm 41 is pressed in the direction opposite to the inserting direction of the rod 13, that is, the rod 13 side (right side in the figure). As a result, the flexible locking portion 39 bends outward, and the slider 17 can be easily slid to the rod 13 side.

Then, as shown in FIG.
Move 1 to the locked position. As a result, the lock claw 2
3 is crimped onto the rod 13, and the key interlock cable 1 is connected to the rod 13. At the lock position, the movement of the slider 41 toward the rod 13 side (rightward in the figure) is blocked by the collar portion 24, and the movement toward the opposite side (leftward in the figure) is possible with the flexible engagement portion 27. It is blocked by the engaging force with the flexible locking portion 39.

On the other hand, as shown by the solid line in FIG. 6, when the rod 13 is inserted into the holder 15 while the slider 17 is still in the lock position, the rod stopper 19 has a tip 13a on the rod 13 side. Since the slider 17 moves to the temporary locking position as shown by the chain double-dashed line in FIG. 6, the connecting work may be performed in the same manner as the normal work.

[0036]

As described above, according to the first aspect of the present invention, even if the rod is inserted into the holder while the slider moves to the lock position, the slider moves to the unlock position. The rod can be inserted to a predetermined position of the holder, and it is possible to reliably prevent the rod from being connected to the holder in an insufficiently inserted state.

According to the second aspect of the present invention, since the rod stopper can be removed only by inserting the rod, it is possible to save the labor of removing the rod stopper from the slider and improve the workability.

[Brief description of drawings]

FIG. 1 is a perspective view showing a connecting structure of a key interlock cable according to an embodiment of the present invention.

2A and 2B are cross-sectional views showing the operation of the present embodiment, FIG. 2A is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 2B is a cross-sectional view taken along the line BB of FIG.

3A and 3B are sectional views showing the operation of the present embodiment, FIG. 3A is a sectional view taken along the line AA of FIG. 1, and FIG. 3B is a sectional view taken along the line BB of FIG.

4A and 4B are cross-sectional views showing the operation of the present embodiment, FIG. 4A is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 4B is a cross-sectional view taken along the line BB of FIG.

5A and 5B are cross-sectional views showing the operation of the present embodiment, FIG. 5A is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 5B is a cross-sectional view taken along the line BB of FIG.

6A and 6B are sectional views showing the operation of the present embodiment, FIG. 6A is a sectional view taken along the line AA of FIG. 1, and FIG. 6B is a sectional view taken along the line BB of FIG.

FIG. 7 is a cross-sectional view showing a conventional example.

FIG. 8 is a perspective view showing a conventional example.

FIG. 9 is a cross-sectional view showing a conventional example.

FIG. 10 is a cross-sectional view showing a conventional example.

FIG. 11 is a cross-sectional view showing a conventional example.

FIG. 12 is a cross-sectional view showing a conventional example.

[Explanation of symbols]

 11 Key Interlock Cable 11a Rod End 13 Rod 15 Holder 15a One End 17 Slider 19 Rod Stopper 23 Lock Claw (Crimping Part) 27 Flexible Engagement Part 29 Temporary Engagement Part 39 Flexible Engagement Part 45 Large Diameter Part (regulating part) 47 small diameter part (rod contact part)

Claims (2)

[Claims] 1. A holder having a cylindrical shape, which is provided at an end of a key interlock cable on the rod side and into which the rod is inserted, and a slider slidably mounted on the holder, the holder comprising: A slider that is pressed by the slider and protrudes into the holder and is crimped to the inserted rod; the slider includes a lock position for protruding the crimping portion into the holder; The slider is movably provided along the insertion direction of the rod between the non-locked positions that do not project inward, and the rod is inserted to a predetermined position in the holder while the slider is in the non-locked position. By sliding to the lock position and crimping the crimping part of the holder to the rod, A connecting structure of a key interlock cable for connecting a rod to the rod, wherein the slider is provided with a flexible locking portion protruding toward the holder, and the holder is provided with the flexible locking portion. A flexible engaging portion that is pressed by the flexible locking portion and bends inside the holder to engage with the flexible locking portion is provided, and a rod inserted into the holder in the slider. The stopper is detachably locked, and the flexible displacement portion is supported from the inside of the holder by moving the slider locked by the rod stopper to the lock position. When the rod is inserted into the holder while the slider in which the rod stopper is locked is in the lock position, the restricting portion that restricts the inward bending of the engaging portion contacts the inserted rod. A key interlock cable connection structure comprising a rod contact portion that is pushed to move the slider to the unlocked position. 2. The key interlock cable connection structure according to claim 1, wherein the flexible interlocking portion of the slider is engaged with the holder at a predetermined temporary engagement position of the unlocked position. And a locking force between the temporary locking part and the flexible locking part when a sliding force in the insertion direction of the rod acts on the rod stopper locked to the slider. Is set to be stronger than the locking force between the slider and the rod stopper, the rod stopper can be detached in the direction opposite to the rod, and the rod abutting portion is a slider to which the rod stopper is locked. When the rod is inserted from one end of the holder to the predetermined position in the lock position, the rod is brought into contact with the inserted rod and pushed to move the slider to the temporary locking position. Coupling structure of a key interlock cable said rod stopper is pushed to the rod, characterized in that disengaging from the slider.