JP2573885Y2 - Steering lock device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock device, and more particularly to a steering lock device for ensuring safety when starting an engine of a vehicle having an automatic transmission.

[0002]

2. Description of the Related Art In a vehicle equipped with an automatic transmission, a safety device is provided in order to avoid the danger of starting the engine when the shift lever for operating the automatic transmission is in a position other than the parking position. For example, Japanese Utility Model Application
As disclosed in Japanese Unexamined Patent Publication No. 935, in a safety device using electric means, when an ignition switch is turned on, it is possible to detect a depression state of a brake pedal and shift a shift lever from a parking position to another position. it can. In this structure, a brake switch that detects depression of a brake pedal and a solenoid that controls pressing of a knob of a shift lever are provided. The ignition switch is switched to the ON position and the brake switch is ON
, The solenoid moves to a position that allows the knob of the shift lever to be pressed.

However, in the structure using the above-described electrical configuration, the cost of the safety device cannot be reduced. Therefore, a mechanical safety device using a wire has recently been developed. For example, Japanese Utility Model Laid-Open Publication No.
Japanese Patent Application Publication No. -154928 discloses an AT shift lock device in which when a brake pedal is depressed, a lock plate and a detent pin are disengaged and a shift lever can be operated from a parking position to another position. Also,
Japanese Utility Model Laid-Open Publication No. 1-150877 discloses that after the steering lock device is switched to the ACC position, the shift lever can be moved to a position other than the parking position, and if the shift lever is not returned to the parking position, the shift from the ACC position to L
A vehicle key interlock device that cannot rotate a key cylinder to an OCK position is disclosed. In addition,
No. 114325 discloses a lock device for a shift lever which can move the shift lever from the parking position to another position only when the key cylinder is rotated to the ACC position or the ON position and the brake pedal is depressed. .

[0004]

However, in the interlock device using a wire, quality control and length adjustment of the wire must be performed very strictly. That is, when the wire does not move in a predetermined range of stroke during operation, the key cylinder of the steering lock device is locked to the slider provided at the end of the wire, and the steering lock device is moved from the ON position to the OFF position or the LOCK position. Rotation may not be possible. For this reason, the engine cannot be stopped, or the vehicle must be left with the steering lock device unlocked.

Therefore, an object of the present invention is to provide a steering lock device that can rotate a key cylinder to a LOCK position without moving a wire with a predetermined stroke.

[0006]

A steering lock device according to the present invention is rotatably arranged in a frame (11) by a key between a lock position for locking a steering shaft and an unlock position for unlocking the steering shaft. Key cylinder (16) or a rotating member (23) connected to the key cylinder (16), and a shift lever (110) for operating the automatic transmission from the parking position to another position. The wire (14) is connected to the rotating lever (130) for controlling the movement of the (110).
0) and a slider (50) operatively connected to the key cylinder (16) or the pivot member (23). By operating the shift lever (110), the slider (50) is moved between the block position where movement of the shift lever (110) is prevented and the release position where movement of the shift lever (110) is allowed. Move via wire (140). In this steering lock device, the key cylinder (16) or the rotating member (2
3) A latch member (31) in the hole (30) and an elastic member for urging the latch member (31) toward the outside of the hole (30) of the key cylinder (16) or the rotating member (23). (3
2) is arranged.

[0007] The latch member (31) includes a radial surface (35), a back inclined surface (36) provided on the back side of the radial surface (35), and a side inclined surface (37) formed on the side. ). When the key cylinder (16) is at the LOCK position, the stopper (40) having the stopper surface (40a) for preventing the slider (50) at the block position from moving to the release position is attached to the key cylinder (16) or the key cylinder. The rotary member (23) connected to (16) is provided.
The radial surface (35) of the latch member (31) is arranged on substantially the same plane as the stopper surface (40a) of the stopper portion (40). When the key cylinder (16) is in the ACC position, the radial surface (35) of the latch member (31) prevents the slider (50) in the block position from moving to the release position. Key cylinder (16) turns on from the ON position
When moved to the C position and the slider (50) is moved from the release position to the block position, the slider (50)
Abuts against the rear inclined surface (36) or the side inclined surface (37) of the latch member (31) to move the latch member (31) radially inward against the elasticity of the elastic member (32); You can move to the block position.

When the key cylinder (16) is in the ACC position, the slider (50) in the release position moves the latch member (31) inward in the radial direction, and returns to the return inclination formed in the stopper (40). It is moved to the block position along the surface (40b).

In the embodiment of the present invention, the slider (50)
There is provided a stop (53) that is elastically supported on the key cylinder (16) and an additional stopper (54) provided on the key cylinder (16) or the rotating member (23). Additional stopper (5
4) has a radial surface (54a) and a back inclined surface (54b) provided on the back side of the radial surface (54a). The key cylinder (16) or the rotating member (23) connected to the key cylinder (16) is such that the key cylinder (16) is LOC.
Slider (50) in block position when in K position
A stopper portion (4) having a stopper surface (40a) for preventing the slider (50) from moving to the release position by coming into contact with the stopper portion (4).
0).

The radial surface (5) of the additional stopper (54)
4a) is arranged on substantially the same plane as the stopper surface (40a) of the stopper portion (40). Key cylinder (16) is A
When in the CC position, the stop (53) abutting the radial surface (54a) of the additional stop (54) prevents the slider (50) in the block position from moving to the release position. When the key cylinder (16) is in the ACC position, the stop (53) of the slider (50) has a back slope (54b) formed on the additional stopper (54).
, The slider (50) in the release position can move to the block position. Stop (5
3) a pin (53) supported in the hole (51) of the slider (50) and an elastic member (52) for urging the pin (53) toward the outside of the hole of the slider (50). Have.

[0011]

[Action] The key cylinder (16) is moved from the LOCK position to AC.
When rotated to the C position, the latch member (31) and the additional stopper (54) prevent the slider (50) in the block position from moving to the release position, and the shift lever (110) moves to the parking position. Will be retained. After the key cylinder (16) is rotated from the ACC position to the ON position, the shift lever (110) can be moved from the parking position to another position. Also, shift lever (1
Regardless of the position of 10), the key cylinder (16) in the ON position can be immediately switched to the ACC position to stop the engine. In addition, the key cylinder (1
When 6) is rotated to the ACC position and the slider (50) is in the release position, the slider (50) is positioned on the back slope (36, 54b), the side slope (37) of the latch member (31), and the additional slope. The inclined back surface of the stopper (54) (3
6, 54b) or the return slope (4) of the stopper portion (40).
Since the shift lever (110) moves from the release position to the block position beyond 0b), the shift lever (110) can be smoothly returned to the parking position.

[0012]

1 to 20 show an embodiment of a steering lock device according to the present invention.

As shown in FIG. 18 and FIG.
Shift lever 110 rotatably supported via 16
Are rotated to respective shift positions such as a parking position P, a reverse shift position R, a neutral shift position N, and a traveling shift position provided in the opening 121 of the control plate 120. The pressing of the knob 111 provided on the shift lever 110 is transmitted to the rod 113 inserted into the lever tube in a vertical motion. Further, a shift pin 114 provided at the tip of the rod 113
Is pushed downward against the elasticity of the spring 115. The above structure is known, and as shown in FIG.
When the shift pin 114 is engaged with the parking position P with the pressing force of 5, the shift lever 110 cannot be moved from the parking position P to another shift position.

The turning lever 130 is rotatably supported at a position substantially below the parking position P of the control plate 120 via a shaft 131, and a pin engaging end 130a and a wire connecting end 130b are connected to the turning lever 130. It is formed. When the knob 111 of the shift lever 110 is pressed, the shift pin 114 is pushed down against the spring 115 and reaches the inside of the engagement end 130 a of the rotating lever 130. Next, when shifting the shift lever 110 to a position other than the parking position, the rotation of the shift lever 110 causes the shift pin 114 to press the engaging end 130 a of the rotation lever 130, and the rotation of the rotation lever about the shaft 131. 130
Rotate the whole counterclockwise. The other end of the wire 140 having one end connected to the slider 50 of the steering lock device 10 is connected to the connection end 130b.

By the rotation of the rotation lever 130, the connection end 130b pulls the wire 140 leftward in FIG. 20, and the opening 1 closed by the engagement end 130a.
The gap 122 on the 21 side is opened, and the shift pin 114 moves toward another shift position through the gap 122,
The wire 140 is pulled. When the shift pin 114 is disengaged from the engagement end 130a of the rotation lever 130, the rotation lever 130 is held in an inclined state. Shift lever 11
0 is returned to the parking position P again.
Rotates the rotation lever 130 clockwise, and the rotation lever 1
Numeral 30 is returned from the state shown in FIG. 20 to the state shown in FIG. When the shift lever 110 moves from the parking position P to another position, the wire 140 to which the pulling force is applied is in a pull state. Conversely, when the shift lever 110 is returned to the parking position P, the wire 140 to which a compressive force is applied is in a push state.

As shown in FIGS. 1 to 3, a steering lock device 10 according to the present invention includes a frame 11, a sleeve 12 disposed in the frame 11, and a sleeve 12.
And a cap 13 fixed to the front part of A key cylinder 16 having a flange 15 is rotatably disposed in a hole 14 formed in the sleeve 12. A plurality of tumblers 17 are mounted on the key cylinder 16 as is known.

A check lever 20 is slidably mounted on the sleeve 12 in the longitudinal direction.
A dog 22 is mounted on a hole 21 formed in the flange 15 so as to be slidable in the radial direction. The key cylinder 16 is rotatably disposed in the frame 11, and an inner end of the key cylinder 16 is mounted in a hole 24 of a rotating member 23 disposed coaxially with the key cylinder 16. The key cylinder 16 is pressed axially outward toward the cap 13 by a spring 25 arranged in the hole 24 of the rotating member 23. The locking rod 18 is attached so as to be able to advance and retreat from a hole 19 of the frame 11. The check lever 20, the dog 22, and the locking rod 18 have the same structure and operation and effect as those disclosed in Japanese Patent Publication No. 60-42055. The key detection member 26 and the key detection switch 27 are described in
It has the same structure and operation and effect as those disclosed in Japanese Patent Application Laid-Open No. 9-3829, and a detailed description thereof will be omitted.

As shown in FIG. 1 and FIG.
Is formed with a hole 30 in which the latch member 31 is slidably arranged. Further, a spring 32 as an elastic member for urging the latch member 31 to the outside of the rotating member 23 is disposed in the hole 30. The latch member 31 is disposed in the hole 30 of the rotating member 23 and is urged out of the hole 30 by a spring 32. The latch member 31 is manufactured by substantially the same method as a conventionally used disk tumbler. The latch member 31 has a hole 31 a through which the pin 33 fixed in the hole 23 a of the rotating member 23 passes. Also, as shown
The protruding end 34 of the latch member 31 is formed with a radial surface 35, a rear inclined surface 36, and a side inclined surface 37. The back inclined surface 36 and the side inclined surface 37 are formed as a united shape.

As shown in FIG. 4, the stopper portion 40 provided on the outer peripheral surface of the rotating member 23 shown in FIG. 1 has a stopper surface 40a and a return inclination formed at a predetermined angle with respect to the stopper surface 40a. Surface 40b. As shown in FIG. 12, the frame 11 has a block position (FIG. 5) that prevents the shift lever 110 at the parking position P from moving.
And a release position (FIGS. 6 to 8) that allows the shift lever 110 to move. The slider 50 controls the movement of the shift lever 110 when the shift lever 110 for operating the automatic transmission is moved from the parking position to another position.
30 is connected by a wire 140. Also, the slider 50
Are the stopper surface 40a of the stopper portion 40 and the return inclined surface 4
0b has an arm portion 50a provided so as to be engageable.
The arm portion 50a is provided with an opening 11 formed in the frame 11.
a so that the frame 11 can pass through the
And is operatively connected to the rotating member 23.

When the key cylinder 16 is at the LOCK position shown in FIG. 5, the slider 50 at the block position comes into contact with the stopper surface 40a of the stopper portion 40 and the slider 50
Is prevented from moving to the release position. The return inclined surface 40b of the stopper portion 40 is formed so that the key cylinder 16
When the slider 50 is at the C position and the slider 50 is at the release position shown in FIG. 7, the movement of the slider 50 to the LOCK position of the key cylinder 16 is permitted.

As shown in FIG. 12, when the key cylinder 16 is at the ACC position and the slider 50 is at the block position, the slider 50
5 and is prevented from moving to the release position. When the key cylinder 16 is in the ACC position and the slider 50 is in the release position, the slider 50 abuts against the rear inclined surface 36 of the latch member 31 and pushes the latch member 31 radially inward against the elasticity of the spring 32. To allow the slider 50 to move to the block position.

In the above configuration, AC from the LOCK position
When the key cylinder 16 is rotated to the position C, as shown in FIG. 12B, the radial surface 35 of the latch member 31 prevents the slider 50 in the block position from moving to the release position, and the shift lever 110 is held in the parking position. Is done. After rotating the key cylinder 16 from the ACC position to the ON position, as shown in FIGS. 12C and 12D, the shift lever 110 is moved from the parking position to the ON position or the STA.
It can move to the RT position. As shown in FIG. 12C, when the key cylinder 16 is in the ON position, the slider 50 can be moved between the block position and the release position. Of course, in the START position, the slider 50 can be moved between the block position and the release position.
Further, regardless of the position of the shift lever 110, the key cylinder 16 at the ON position can be immediately switched to the ACC position.

In this embodiment, the key cylinder 16 is
When the slider 50 is in the release position and the slider 50 is in the release position, the rear inclined surface 36 and the side inclined surface 37 of the latch member 31 are moved.
Abuts on the slider 50 (FIG. 10). Key cylinder 1
6 is rotated from the ON position to the ACC position, and when the slider 50 is moved from the release position to the block position, as shown in FIGS. 6, 7 and 11, the slider 50 is in contact with the back slope 36 of the latch member 31. After contacting the side inclined surface 37, the latch member 31 is moved radially inward against the elasticity of the spring 32. When the key cylinder 16 is further rotated toward the LOCK position, the return inclined surface 4 of the stopper portion 40 is rotated.
0b is in contact with the slider 50, the slider 50 is smoothly slid from the release position to the block position, and after moving the key cylinder 16 to the LOCK position,
0 can be returned to the parking position.

In this embodiment, if the shift lever 110 in the parking position is moved to another position by electric means or mechanical means only when the brake pedal is depressed, the safety at the time of starting the engine can be improved. It will be understood that the performance can be improved. In this case, the slider at the block position can move to the release position only when the brake pedal is depressed.

The above embodiment of the present invention can be variously modified. For example, as shown in FIGS. 14 to 17, even when the return inclined surface 40 b is not provided in the stopper portion 40, the projecting end 34 of the latch member 31 has the radial surface 35, the back inclined surface 36, and the side inclined surface 37. It is possible to construct this invention by forming When the key cylinder 16 is in the ON position as shown in FIG. 14 and the slider 50 moves to the block position from the state where the slider 50 is in the release position, as shown in FIGS. The latch member 31 is moved inward in the radial direction against the elasticity. Thereby, the slider 50 can be moved from the release position to the block position.

In another embodiment of the present invention, a spring 52 is provided in a hole 51 formed in a slider 50 as shown in FIG.
, A pin 53 is provided as a stop which is biased outward by a spring 52. In FIG. 17, the same portions as those shown in other drawings are denoted by the same reference numerals, and description thereof will be omitted. The additional stopper portion 54 is formed as a cam surface on the rotating member 23, and forms a radial surface 54 a that is substantially flush with the stopper surface 40 a of the stopper portion 40, and a back slope provided on the back side of the radial surface 54 a. It has a surface 54b and a side inclined surface 54c. When the key cylinder 16 is in the ACC position and the slider 50 is in the block position, the pin 53a abuts the radial surface 54a of the additional stopper 54 to prevent the slider 50 from moving to the release position. Therefore, the movement of the slider 50 from the block position to the release position is prevented. Also, when the key cylinder 16 is in the ACC position and the slider 50 is moved from the release position to the block position, the pin 53 is moved along the side inclined surface 54c to move the back inclined surface 54b of the additional stopper portion 54. Since the slider 50 can elastically move over to the block position, the slider 50 is smoothly moved from the release position to the block position.

The embodiment of the present invention can be further modified. (1) In the above embodiment, the stopper member 4 is
0 and an additional stopper 54 are provided,
Instead of the key cylinder 16, the stopper members 40, 54
May be formed. (2) Instead of the pin 53, a synthetic resin or metal elastic piece may be provided on the slider 50 integrally or separately, and may be engaged with the stopper 40 and the additional stopper 54.

[0028]

As described above, in the steering lock device according to the present invention, when the key is rotated from the LOCK position to the ACC position, the shift lever can be prevented from moving, and the key cylinder can be smoothly moved from the ACC position to the LOCK position. Since the vehicle can rotate, the safety at the time of riding can be ensured, and when necessary, the engine can be stopped to keep the steering locked.

[Brief description of the drawings]

1 is a cross-sectional view of the steering lock device according to the present invention, taken along line II of FIG. 3;

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a front view of the steering lock device according to the present invention.

FIG. 4 is a partially exploded perspective view of a rotating member.

FIG. 5 is an operation diagram showing a positional relationship between a latch member and a slider in which a key cylinder is at a LOCK position and a slider is at a block position.

FIG. 6 is an operation diagram showing a positional relationship between a latch member and a slider in which a key cylinder is in an ON position and a slider is in a release position.

FIG. 7 is an operation diagram showing a positional relationship between a latch member and a slider in which a key cylinder is at an ACC position and a slider moves from a release position to a block position.

FIG. 8 is an operation diagram showing a positional relationship between the latch member and the slider in which the key cylinder is at the ACC position and the slider has moved from the release position to the block position.

FIG. 9 is an enlarged perspective view showing a state in which the slider contacts the latch member.

FIG. 10 is a sectional view showing the relationship between the slider and the latch member when the key cylinder is at the ON position.

FIG. 11 is a sectional view showing the relationship between the slider and the latch member when the key cylinder is at the ACC position.

12A is an operation diagram showing a positional relationship between a slider and a stopper for displaying a LOCK position, B being an ACC position, C being an ON position, and D being a START position in a normal operation. FIG.

13A is an operation diagram showing a positional relationship between the slider and the stopper for displaying the LOCK position, B for the ACC position, C for the ON position, and D for displaying the START position when an abnormal operation is performed. FIG.

FIG. 14 is an operation diagram showing a positional relationship between the latch member and the slider in which the key cylinder is in the ON position and the slider is in the release position, showing another embodiment of the present invention.

FIG. 15 is an operation diagram showing a positional relationship between a latch member and a slider in which a key cylinder is located at an ACC position and a slider is moved from a release position to a block position according to another embodiment of the present invention.

FIG. 16 is an operation diagram showing a positional relationship between a latch member and a slider in which a key cylinder according to another embodiment of the present invention is located at an ACC position and a slider is moved from a release position to a block position.

FIG. 17 is a perspective view showing another embodiment of the present invention.

FIG. 18 is a sectional view of a shift lever.

FIG. 19 is a partially enlarged view of the shift lever showing a state where the shift lever is being moved from the parking position to another position.

FIG. 20 is a partially enlarged view of the shift lever showing a state where the shift lever has been moved to a position other than the parking position.

[Explanation of symbols]

10. . 10. steering lock device, . Frame, 16. . Key cylinder, 23. . Rotating member,
30. . Holes, 31. . Latch member, 32. . Spring (elastic member), 35. . Radial surface, 36. . Back slope, 37. . 40. side slope . Stopper part,
40a. . Stopper surface, 40b. . Return slope,
50. . Slider, 51. . Holes, 52. . Spring (elastic member), 53. . Pin (stop), 54. . Additional stop portion, 54a. . Radial surface, 54b. . Back slope, 110. . Shift lever, 140. . Wire,

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B60R 25/02 601 B60K 20/02 B60K 28/10 B60R 25/06 E05B 65/12

Claims (4)

(57) [Scope of request for utility model registration] A key cylinder (1) or a key cylinder (1) rotatably arranged by a key in a frame (11) between a lock position for locking a steering shaft and an unlock position for unlocking a steering shaft.
6) a rotating member (23) connected to the automatic transmission, and a rotating lever for controlling movement of the shift lever (110) when the shift lever (110) for operating the automatic transmission is moved from the parking position to another position. (130) by a wire (140) and a key cylinder (16) or a pivot member (2).
3) a slider (50) operatively connected to the shift lever (11) when the shift lever (110) is operated.
0) and the shift lever (1)
10) Move the slider (50) between the release position allowing the movement of the lever (130) and the wire (140).
In the steering lock device which is moved through a key cylinder (16) or a hole (3) of a rotating member (23).
0), a latch member (31) and a key cylinder (1).
6) or an elastic member (32) for urging the latch member (31) toward the outside of the hole (30) of the rotating member (23), and a radial surface (35) and a radial surface ( A rear inclined surface (36) provided on the back side of 35) and a side inclined surface (37) formed on the side are formed on the latch member (31), and the key cylinder (16) is at the LOCK position. At this time, the stopper (40) having the stopper surface (40a) for preventing the slider (50) in the block position from moving to the release position is moved to the key cylinder (16) or the key cylinder (1).
6) a rotary member (23) connected to the key cylinder, wherein the radial surface (35) of the latch member (31) is disposed substantially flush with the stopper surface (40a) of the stopper portion (40); When (16) is in the ACC position, the radial surface (35) of the latch member (31) prevents the slider (50) in the block position from moving to the release position, and the key cylinder (16) is in the ON position. When the slider (50) is moved from the release position to the block position when the slider (50) is moved from the release position to the block position, the slider (50) moves the back slope (36) or the side slope (37) of the latch member (31).
A latch member (31) that moves radially inward against the elasticity of the elastic member (32) to move to the block position. 2. When the key cylinder (16) is at the ACC position, the slider (50) at the release position moves the latch member (31) radially inward to be formed on the stopper portion (40). The steering lock device according to claim 1, wherein the steering lock device is moved to the block position along the return slope (40b). 3. A key cylinder (16) or key cylinder (1) rotatably arranged by a key in a frame (11) between a lock position for locking a steering shaft and an unlock position for unlocking a steering shaft.
6) a rotating member (23) connected to the automatic transmission, and a rotating lever for controlling movement of the shift lever (110) when the shift lever (110) for operating the automatic transmission is moved from the parking position to another position. (130) by a wire (140) and a key cylinder (16) or a pivot member (2).
3) a slider (50) operatively connected to the shift lever (11) when the shift lever (110) is operated.
0) and the shift lever (1)
10) Move the slider (50) between the release position allowing the movement of the lever (130) and the wire (140).
A stop (53) elastically supported by a slider (50).
And an additional stopper (54) provided on the key cylinder (16) or the rotating member (23). The additional stopper (54) has a radial surface (54a) and a radial surface (54a). ) Is provided on the back side.
b) when the key cylinder (16) is at the LOCK position and abuts on the slider (50) at the block position to move the slider (5).
Stopper surface (4) that prevents the movement of the
0a) and the stopper (40) having the key cylinder (1).
6) or provided on the rotating member (23) connected to the key cylinder (16), and the radial surface (54a) of the additional stopper portion (54) is substantially the same as the stopper surface (40a) of the stopper portion (40). When the key cylinder (16) is located on the plane and the key cylinder (16) is in the ACC position, the slider (5) in the block position is formed by the stop (53) abutting on the radial surface (54a) of the additional stopper (54).
0) is prevented from moving to the release position, and when the key cylinder (16) is in the ACC position, the stop (53) of the slider (50) will have an additional stop (5).
A steering lock device characterized in that the slider (50) at the release position can be moved to the block position by elastically overcoming the back inclined surface (54b) formed at 4). The stop (53) biases the pin (53) supported in the hole (51) of the slider (50) and the pin (53) toward the outside of the hole of the slider (50). The steering lock device according to claim 3, further comprising an elastic member (52) that performs the operation.