KR20050052144A - Ignition key apparatus for vehicle - Google Patents

Abstract

The present invention relates to a vehicle start key device capable of preventing a car key from being pulled out while the vehicle is running. A vehicle start key device comprising a housing in which a cam shaft is rotatably inserted, the housing comprising: a latch lever provided with an elastic force to move in the cam shaft direction; The cam shaft is formed with a cam surface such that the locking lever is not caught when the rotor is rotated in one direction, and the locking lever is caught at a predetermined position when the rotor is rotated in the other direction; The rotor is provided with a release pin for releasing the locking lever is caught on the cam surface so that the rotor can continue to rotate in the other direction by pressing the inserted key inward, thereby providing a structure of the cam shaft, the rotor and the locking lever It is simple to provide the effect of improving the assembly.

Description

Ignition key apparatus for vehicle

The present invention relates to a vehicle start key device that can prevent the car key from being pulled out while the vehicle is running.

In general, the vehicle's ignition key device is turned to the lock, accessory (ACC), ON, and START (start) position in the state that the car key is plugged in, the power applied to the vehicle is turned off, power-on state, driving state Is a device that switches to or starts the vehicle.

Hereinafter, with reference to the accompanying Figures 1 to 2 will be described in the prior art.

1 is a longitudinal cross-sectional view of a starter key device according to the prior art, Figure 2 is a view showing the installation state of the starter key device according to the prior art.

In general, the starter key device is composed of a lock body (3) consisting of a rotor (1) and a rotor case (2), a cam shaft (4), and a housing (5).

The rotor 1 is inserted into and mounted in the rotor case 2, and at one end, a key groove 6 into which the car key K is inserted is formed, and a pin tumbler corresponding to the bit groove of the car key K in the middle thereof. A plurality of notches 7 are formed to be installed, and the other end is formed with a groove for engaging the cam shaft 4.

The rotor 1 is built in the rotor case 2 to form the lock body 3, and the lock body 3 is fitted to the housing 5.

The rotor case 2 is provided with a locking pin 8 which is supported by the elastic member and drawn out as a means for preventing the lock body 3 from being arbitrarily separated from the housing 5.

The locking pin 8 is a locking pin (8) is caught from the hole in the housing 5 when the lock body (3) is fitted into the housing (5) is the lock body (3) is separated from the housing (5) prevent.

When the lock body 3 is to be separated from the housing 5, the long groove (not shown) formed on the outer circumferential surface of the rotor 1 by rotating the rotor 1 is located at the operating position of the locking pin 8. The locking pin 8 is insertable, so that the lock body 3 can be separated from the housing 5 while the locking pin 8 is pressed.

In addition, the outer circumferential surface of the rotor case 2 is provided with a locking lever 10 fixed to the hinge shaft 10a so that the other end is lowered when the car key K is charged.

The locking lever 10 serves to fix the lock bar 11 mounted on the housing 5 to fix the steering wheel 25, and the lock body 3 in the state where the car key K is inserted is positioned. It plays a role of not leaving.

On the other hand, the cam shaft 4 has a protrusion pin 14 which is elastically moved in the axial direction of the cam shaft 4 so as to be inserted into the groove of the other end of the rotor 1, as shown in FIG. The cam pin 15 is elastically supported to be drawn out in the vertical direction of the shaft by the cam action.

In the middle of the cam shaft 4 is formed a cam for operating the lock bar 11 installed in the housing 5, the other end for operating the ignition switch (not shown) mounted over the partition wall of the housing (5) Rectangle protrusions (not shown) are formed.

The housing 5 is provided with a partition wall having a through hole through which a rectangular protrusion (not shown) of the cam shaft 4 passes, and protrudes at a predetermined angle so that the cam pin 15 of the cam shaft 4 is caught. The stopper 18 is formed.

The outer circumferential surface of the housing 5 is formed with a cylinder extending from the outer circumferential surface of the housing 5 and coupled to a side surface of a steering wheel shaft (not shown), and a lock bar 11 is elastically moved inside the cylinder.

Looking at the operation of the embodiment according to the prior art configured as described above in detail as follows.

First, when the car key K is inserted into the rotor 1 and the rotor 1 is in the LOCK position, the pin tumbler of the rotor 1 is aligned and the interaction with the lock body 3 is released. The rotor 1 is in a rotatable state, and one end of the locking lever 10 is pushed up so that the other end of the locking lever 10 provided with the hinge shaft 10a fixes the steering shaft 25 of the lock bar 11. The movement is fixed.

When the rotor 1 is rotated to the accessory (ACC) position, the cam shaft 4 in which the protruding pin 14 is engaged with the other end groove of the rotor 1 is also rotated integrally.

At this time, the cam pin 15 of the cam shaft 4 is out of the position of the protruding stopper 18 in the housing 5 to protrude by the elastic force of the elastic member supporting the cam pin 15.

In addition, the cam formed in the middle of the cam shaft 4 is rotated and the lock bar 11 is pushed upward to release the steering wheel 25 from being fixed.

The lock bar 11 once raised is fixed by the locking lever 10 of the lock body 3 operated by the charging of the car key K, thereby limiting sliding.

Thereafter, the rotor 1 can be freely rotated even when the rotor 1 rotates from the accessory position ACC to the ON position, the START position, or in the opposite direction.

However, the theft may be formed by an ignition switch (not shown) connected to the rectangular protrusion formed at the other end of the cam shaft 4 which rotates in association with the rotor 1.

In particular, when the rotor 1 is in the ON position, the long groove formed on the outer circumferential surface of the rotor 1 is in a position where the locking pin 8 of the rotor case 2 is operated, so that the locking pin 8 may be pressed. Will be.

Therefore, when the rotor 1 is in the ON position, the lock body 3 can be detached from the housing 5.

By the way, when the rotor 1 is to be moved from the ACC position to the LOCK position, the protruding cam pin 15 of the cam shaft 4 interlocked with the rotor 1 stops the stopper of the housing 5. 18) rotation of the camshaft 4 and the rotor 1 is limited.

Therefore, when moving the rotor 1 from the ACC position to the LOCK position, the rotor 1 becomes rotatable after pressing the rotor 1, which is a protrusion pin of the cam shaft 4 connected to the rotor 1. 14 is pressed and the cam pin 15 interlocked by the cam action of the protruding pin 14 is drawn in, so that the cam pin 15 is rotated without being caught by the stopper 18 so that the rotor 1 is locked. ) Position can be moved.

However, the above-described starter key device of the prior art is interlocked by the cam action with the protruding pin 14 axially moved to one end of the cam shaft 4 and is operated in a direction perpendicular to the axial direction of the cam shaft 4. It is configured to have a cam pin 15, the structure of the cam shaft 4 is complicated and coarse, there is a problem that the production and assembly of the cam shaft is difficult.

The present invention has been made to solve the above problems of the prior art, it is an object of the present invention to provide a vehicle start key device having a simple structure while preventing the vehicle key from being pulled out during operation of the vehicle.

Vehicle start key device of the present invention for achieving the above object, the rotor is a key is inserted and rotated, the cam shaft is coupled to the rotor and rotates with the rotor, the rotor and the cam shaft is rotatably inserted A vehicle start key device including a housing, the housing comprising: a latch lever provided with an elastic force to be moved in the cam shaft direction; The cam shaft is formed with a cam surface such that the locking lever is not caught when the rotor is rotated in one direction, and the locking lever is caught at a predetermined position when the rotor is rotated in the other direction; The rotor is characterized in that it is provided with a release pin for releasing the locking lever is caught on the cam surface so that the rotor can continue to rotate in the other direction by pressing the inserted key inward.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is an exploded perspective view of the ignition key device according to the present invention, Figure 4 is a perspective view of the main portion of the ignition key device according to the present invention, Figure 5 is a schematic operation state diagram of a vehicle ignition key device according to the present invention.

The vehicle start key device according to the present invention includes a lock body (80) consisting of a rotor case (70) and a rotor (60), a camshaft (90) connected to the rotor 60 while being elastically supported, and the lock body. 80 and a housing 50 in which the cam shaft 90 is embedded, and a locking lever 100 interlocked with the cam shaft 90 embedded in the housing 50 and elastically mounted therein. .

The rotor 60 constituting the lock body 80 has a key groove formed so that the car key K is inserted at one end thereof, and a coupling protrusion 72 inserted into the one end surface groove of the cam shaft 90 at the other end thereof. A release pin 71 is inserted and guided into a release hole 92 formed at an outer circumferential surface of one end of the cam shaft 90.

In addition, the rotor 60 has a plurality of notches 61 formed in the middle such that a pin tumbler corresponding to the bit groove of the car key K is installed.

The rotor case 70 is a built-in rotor, and is provided with a locking pin (not shown) coupled with a hinge pin (not shown) and the hinge shaft is elastically supported on the outer peripheral surface.

The cam shaft 90 has a groove (not shown) to which the coupling protrusion 72 of the rotor 60 is inserted and fixed at one end thereof, an elastic member inserted into the groove (not shown), and the cam shaft. In the middle of the 90 is a cam (not shown) for operating the lock bar (not shown), and the other end is provided with a soldier-shaped protrusion 91 connected to the ignition switch (not shown) over the partition wall (not shown) of the housing do.

In particular, an outer circumferential surface near one end of the cam shaft 90 has an inclined surface 93 formed to be inclined and a cam surface formed of a plane 94 formed stepwise with the inclined surface 93 in the circumferential direction.

In addition, a release hole 92 is formed on an outer circumferential surface of the camshaft 90 along the stepped wall between the inclined surface 93 and the plane 94 to allow the release pin 71 to pass therethrough.

The housing 50 has a body 51 in the form of a cylinder, and the lock body 80 is mounted in the body 51.

In addition, a lock bar (not shown) for fixing a steering wheel (not shown) by the operation of the lock body 80 is mounted on the barrel 52 protruding and extending to one side of the housing 50.

In particular, a seating groove 53 for seating the latching lever 100 at a suitable position on the outer circumferential surface of the housing 50 is formed, and a hole 54 communicating with the inside of the housing at the bottom of the seating groove 53. ) Is formed.

The inner side of the housing 50 is formed with a partition wall (not shown) through which the soldier-shaped protrusion 91 formed at the other end of the cam shaft 90, a rock bar (not shown) is moved in accordance with the rotation of the cam shaft 90 Is installed.

The locking lever 100 is mounted to be elastically supported by the elastic member 102 in the seating groove 53 formed on the outer circumferential surface of the housing 50 and the body moved back and forth, and the seating recess 53 of the housing 50. The engaging arm 101 is formed to extend through the outer circumferential surface of the body to be closely connected to the cam surface formed in the outer circumferential surface of one end of the cam shaft 90 is inserted into the housing through the egg hole 54 through) do.

Looking at the operation of the present invention configured as described above are as follows.

A coupling protrusion 72 protruding from the other end of the rotor 60 is fitted into the groove in which the elastic member is mounted on one end of the cam shaft 90 so that the cam shaft 90 and the rotor 60 are coupled to each other. Rotate integrally.

In addition, the release pin 71 provided on the outer circumferential surface of the rotor 60 is guided by being inserted into the release hole 92 of the cam shaft 90.

First, when the appropriate car key K is inserted into the rotor 60, the pin tumbler (not shown) inserted into the notch 61 of the rotor 60 is aligned to interact with the lock body 80. The rotor 60 is rotated so as to be released.

When the rotor 60 is rotated from the lock position to the accessory position in the state where the car key K is inserted, the rotor 60 is engaged with the engaging projection 72 protruding from one end of the rotor 60. The physics is rotated integrally with the camshaft 90.

At this time, the locking lever 100 mounted on the outer circumferential surface of the housing 50 is in a state in which the locking arm 101 of the locking lever 100 is in close contact with the inclined surface 93 inclined to the cam shaft 90. When the rotor 60 reaches the accessory (ACC) position while moving to the back, the locking arm 101 of the locking lever 100 comes into close contact with the inclined surface 93 and the flat surface 94 is formed so that the locking lever (100) is advanced.

Then, when the rotor 60 is rotated from the accessory (ACC) position to the start position (ON), the cam shaft 90 is engaged with the release pin 71 of the rotor (60). Of course, the locking lever 100 mounted on the outer circumferential surface of the housing 50 may be rotated integrally with the locking lever 100 along the plane 94 formed stepwise on the cam shaft 90. In the state where the catching arm 101 is in close contact, the left and right sides are freely rotatable.

On the other hand, when the rotor 60 is to be moved from the accessory (ACC) position to the lock (LOCK) position, the locking arm 101 of the locking lever 100 is formed in the upper surface of the cam shaft 90 The camshaft 90 is prevented from being caught by the stepped walls of the 94 and the inclined surface 93.

Therefore, the rotor 60 which is interlocked with the camshaft 90 also becomes incapable of rotation.

Here, in order to move the rotor 60 in the locked state, the car key inserted into the rotor 60 in a state in which the locking arm 101 of the locking lever 100 is in close contact with the stepped wall ( K) must press and rotate the rotor 60.

By pressing the rotor 60 inward as described above, the release pin 71 formed at the end of the rotor 60 pushes the locking arm 101 of the locking lever 100 which is hanging on the stepped wall. The locking lever 100 is moved to the inclined surface 93 of the cam shaft 90, so that the rotor 60 is freely rotatable.

 Summarizing the operation of the embodiment according to the present invention as described above, the rotor (60) from the start position to the accessory (ACC) position as opposed to when it is rotated from the lock position to the START position When it is rotated, free rotation is possible, but when it is moved from the ACC position to the LOCK position, the operation is performed after pressing the car key K inserted into the rotor 60 and then rotating.

In addition, when the pressure is removed while the rotor 60 is pressed in order to move from the ACC position to the LOCK position, the rotor 60 is pushed by the elastic member embedded in the cam shaft 90. Raised and moved to the original position.

Since other operations are the same as those of the prior art, detailed descriptions thereof will be omitted.

As described above, the vehicle start key device of the present invention has an advantage in that the assembly of the camshaft, the rotor, and the locking lever is simplified, thereby improving the assemblability and preventing the extraction of the car key while the vehicle is running. have.

In addition, the present invention has the advantage that the failure rate is reduced because the number of parts operated by the elastic member is reduced.

1 is a longitudinal cross-sectional view of a starter key device according to the prior art,

2 is an installation state diagram of a starter key device according to the prior art,

3 is an exploded perspective view of a ignition key device according to the present invention;

Figure 4 is a perspective view of the main part of the ignition key device according to the present invention,

5 is a schematic operation state diagram of a vehicle start key device according to the present invention.

<Explanation of symbols for the main parts of the drawings>

50 housing 51 body

52: barrel 53: seating groove

54: hole 60: rotor

61: notch 70: rotor case

71: release pin 72: engaging projection

90: camshaft 91: rectangular protrusion

92: release hole 93: inclined surface

94: flat 100: locking lever

102: elastic member

Claims (4)

A vehicle start key device including a rotor in which a key is inserted and rotated, a cam shaft coupled to the rotor and rotating together with the rotor, and a housing in which the rotor and the cam shaft are rotatably inserted. The housing is provided with a locking lever that is provided with an elastic force to move in the cam shaft direction; The cam shaft is formed with a cam surface such that the locking lever is not caught when the rotor is rotated in one direction, and the locking lever is caught at a predetermined position when the rotor is rotated in the other direction; The rotor is provided with a start pin device for releasing the state that the locking lever is caught on the cam surface so that the rotor can continue to rotate in the other direction by pressing the inserted key inward. The method of claim 1, The locking lever is a vehicle start key device characterized in that the body is provided with an elastic force from the elastic member supported on the housing, and the engaging arm extending from the body in the inward direction of the housing in contact with the cam surface of the cam shaft. The method of claim 2, The housing is a vehicle start key device, characterized in that the seating groove is formed on the outer peripheral surface and the body of the locking lever is positioned, the hole is inserted into one side of the seating groove. The method according to any one of claims 1 to 3, The cam surface of the cam shaft is formed of an inclined surface inclined to the outer peripheral surface in the circumferential direction, and a plane formed stepped with the inclined surface, The stepped portion between the inclined surface and the plane vehicle start key device, characterized in that the release hole through which the release pin passes.