KR0171341B1 - Locking prevention device for automobile key switch housing assembly - Google Patents

Abstract

The present invention relates to the prevention of locking of an automobile key switch housing assembly to which a cylinder housing is coupled. In the related art, when a cylinder housing is removed from a key switch assembly, the locking pin is immediately inserted into the locking groove of the steering shaft, thereby becoming locked. As the lock cylinder cannot be reassembled as it is, the cylinder housing can be assembled only after disassembling the key switch assembly from the steering column and pressing the locking pin protruding from the upper side. Due to the complexity of the work, there are many problems of manpower consumption.

Accordingly, the present invention is to be fitted to the ruler hole 125 formed in the trunk wall 122 of the key switch assembly 120 by installing a ruler pin 133 that is supported by the spring 134 in the body of the operation port 130. And, the rear end of the operating port 130, the inclined surface (135a) is formed to guide the guide 135, the front end of the cylinder housing 140 is formed a ruled projection 143 that is fitted to the ruled hole (125) On the opposite side, the pressure port 144 having the indentation part 145 is addressed, and when the cylinder housing 140 is removed from the keyswitch assembly 120, the locking pins 131 of the keyswitch assembly are steered. The locking groove 112 of the 111 is prevented from being locked so that the reassembly of the cylinder housing can be performed more quickly and effortlessly.

Description

Locking prevention device for automobile key switch housing assembly

Figure 1 (a) is a cross-sectional view showing the main portion of the conventional key switch assembly and the cylinder housing coupled state.

(b) is a cross-sectional view showing a main part of the conventional key switch assembly showing a state in which the cylinder housing is removed and locked;

Figure 2 is an exploded perspective view illustrating the key switch assembly and the cylinder housing of the present invention.

Figure 3 (a) (b) (c) is a cross-sectional view illustrating a state in which the locking is released as the raised locking pin is lowered back when the cylinder housing is removed by the present invention.

Figure 4 is a cross-sectional view of the main portion (a), (b) (c) is a main portion of the cylinder housing according to the present invention illustrating the process of releasing while pressing the guide of the operating port.

* Explanation of symbols for main parts of the drawings

111: steering shaft 112: locking groove

120: keyswitch assembly 121: long hole

130: operating port 131: locking pin

132, 134: spring 133: lug pin

135: guide 135a: inclined surface

140: cylinder housing 143: hanging projection

144: pressure port 145: recessed part

150: lock cylinder 151: cam doll part

The present invention relates to a lock preventing device for an automobile key switch assembly to which a cylinder housing is coupled. In particular, when the cylinder housing is removed from the key switch housing assembly, the locking pin of the key switch housing assembly is a locking groove of the steering shaft. The present invention relates to a lock preventing device for an automobile key switch housing assembly that can be quickly and easily reassembled into a cylinder housing by preventing locking while being inserted into the housing.

In general, a steering system of a vehicle is a device in which a driver freely changes the driving direction of a vehicle by rotating a steering wheel, and a steering wheel for changing the driving direction of the vehicle is transmitted to a steering gear box. Steering shaft (steering shaft), which is an axis consisting of a steering column (steering colum) surrounding the steering shaft (steering colum), the lower portion of the steering column is provided with a key switch housing assembly.

As described above, the ignition switch and the lock cylinder and cylinder housing for operating the ignition switch are assembled in the key switch housing assembly (hereinafter referred to as the key switch assembly) installed at the lower part of the steering column. When described in more detail with reference to the accompanying drawings, Figure 1 as follows.

That is, as shown in (a) of FIG. 1, an operating tool 30 supported by a spring 32 is lifted up and down at an inner side of the key switch assembly 20 installed at the lower part of the steering column 10. On the upper side of the operation port 30, a locking pin 31 is assembled.

And when the key 60 is not inserted into the lock cylinder 50, the operating port 30 is always raised by the holding force of the spring 32, so that the upper locking pin 31 is the upper surface of the key switch assembly 20 The locking groove 12 formed in the steering shaft 11 of the steering column 10 is inserted into the locked state through the long hole 21 of the steering column 10, and then the steering wheel (the handle) is locked to rotate the steering wheel. It is in a state without.

In addition, a cam protrusion 51 is formed at the tip of the lock cylinder 50 fitted through the insertion hole 23 formed in the inner wall 22 of the inside of the key switch assembly 20, so that the key is formed on the lock cylinder 50. Insert the lock 60 and turn it to the ON direction, and the locking pin 31 is steered as the cam protrusion 51 at the tip of the lock cylinder 50 lowers the operating hole 30 by pressing the operating hole 30. The steering wheel is rotated while being removed from the locking groove 12 of the shaft 11.

And the key switch assembly 20 as described above has an abnormality in the lock cylinder (50) to remove the cylinder housing 40 from the key switch assembly 20 to repair it, the key 60 to the lock cylinder (50) Cylinder through the through hole formed in one side of the key switch assembly 20 (see through hole 126 formed in the key switch assembly 126 of FIG. 2) while being rotated to the ON position. 40 must press the latch (41) protruding on the outer peripheral surface.

That is, when the locking hole 41 of the outer circumferential surface of the cylinder housing 40 is pressed through the through hole of the key switch assembly 20, the locking hole 41 caught in the locking groove 24 of the inner circumferential surface of the key switch assembly 20. Is pressed and the cylinder housing 40 is configured to be released by the holding force of the spring 42, which has been compressed at the tip. Thus, the locking door only when the key 60 is in the ON position of the lock cylinder 50. Since pressing of 41 is generally known, it will be described below in the state of omission of the detailed drawings.

However, in the related art, the cylinder housing 40 is pushed out of the keyswitch assembly 120 and 20 immediately by pressing the catch 41 of the keyswitch assembly 120 as shown in FIG. ) Is raised by the lower force of the spring 32, the locking pin 31 is inserted into the locking groove 12 of the steering shaft 11 is made in a locking state.

Then, in this state in which the locking pin 31 is locked, when the failed lock cylinder is repaired or replaced with a new one, the raised operation port 30 is the partition wall 22 inside the key switch assembly 20. Blocking the insertion hole 23 of the lock cylinder 50 formed in the lock cylinder 50 so as not to enter the insertion hole 23 by pressing the locking pin 31 does not lower the operating port 30 The lock cylinder cannot be assembled.

However, at this time, the locking pin 31 is inserted into the locking groove 12 of the steering shaft 11 as shown in FIG. 1 (b), so that the locking pin 31 cannot be pressed artificially. Always remove the keyswitch assembly 20 from the steering column 10 first, and then press the locking pin 31 which protrudes to the outside through the long hole 21 of the keyswitch assembly 20. 40) was able to assemble the bar, which takes a long time due to the large number of disassembly and assembly processes, and there was a problem in that manpower was consumed due to the complexity of the work.

Accordingly, the present invention has been invented in view of the above-described conventional problems, and when the housing of the lock cylinder is removed from the key switch assembly 120, the operating port 130 is prevented from rising so that the locking pin is locked to the locking groove. Locking device for a key switch assembly 120 for automobiles, which can be quickly and easily assembled into the key switch assembly 120 without disassembling the key switch assembly 120 from the steering column. The purpose is to provide.

The present invention is installed on the front end of the operation port 130, the guide pin which is supported by the spring 134 so as to fit in the guide hole formed in the inner wall of the key switch assembly 120, the rear end of the guide is formed with an inclined surface It is possible to achieve the above object by speaking a pusher which is inclined downward so as to contact the inclined surface of the guide on the opposite side of the lock cylinder to form a locking protrusion fitted to the locking hole on the opposite side of the lock cylinder.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings as a preferred embodiment to effectively achieve the above object of the present invention.

2 is an exploded perspective view of the key switch assembly 120 and the cylinder housing of the present invention, the locking pin 131 at the top of the inner side of the key switch assembly 120 is assembled to the lower portion of the steering column 110 The assembled operating port 130 is installed to be elevated by the lower spring 132, the locking pin 131 is raised in the steering column 110 through the long hole 121 of the key switch assembly 120 when raised It is fitted to the locking groove 112 formed in the steering shaft 111 of the, the cylinder housing 140, the lock cylinder 150 is coupled to the key switch assembly 120 is configured to be detachable, which is a prior art It can be said to be the same as the configuration.

In the present invention, after installing the locking pin 133 which is supported by the spring 134 in the body of the operation port 130, the locking hole 125 formed in the inner wall 122 of the key switch assembly 120. To be fitted in, the rear end of the operating port 130, the inclined surface (135a) is formed to guide the guide 135, the front end of the cylinder housing 140, the rubbing protrusion 143 that is fitted to the rubbing hole Formed and the opposite side is characterized in that the speech orifice 144 having a concave inlet 145 to press the guide 135.

In the configuration of the present invention, reference numeral 123 in the drawing is an insertion hole of the lock cylinder formed in the trunk wall 122 of the key switch assembly 120, and 126 is a locking hole of the outer peripheral surface of the cylinder housing 140 ( 141 is a through hole formed in one side of the key switch assembly 120, 124 is a locking groove formed in the inner circumferential surface of the key switch assembly 120 to be caught by the locking hole 141. , 142 is a spring for holding the lock cylinder 150, 151 is a cam protrusion formed on the tip of the lock cylinder 150, 160 is a key.

In the present invention configured as described above, when the key 160 is inserted into the lock cylinder 150 and turned to the start (ON) direction, the cam protrusion 151 of the tip of the lock cylinder 150 presses the stepped portion of the operating port 130 to operate the tool 130. ) Down and the operating port 130 is lowered as described above, the locking pin 131, which is addressed at the top, descends together to steer as the locking groove 112 of the steering shaft 111 falls out. The wheel can be rotated.

Then, when the lock cylinder 150 is rotated to the off position with the key 160, the cam protrusion 151 of the lock cylinder 150 rotates up to release the pressing of the operating tool 130. In this case, as the operating port 130 is rapidly raised by the holding force of the lower spring 132, the locking pin 131 of the upper side is pushed out of the long hole 121 of the key switch assembly 120. Since the king pin 131 is fitted into the locking groove 112 of the steering shaft 111, the steering wheel is locked and cannot be rotated, which is the same as the locking device of a general key switch assembly.

Then, in the state of FIG. 3 (a) and FIG. 4 (a), an abnormality occurs in the lock cylinder 150, and the key 160 is inserted into the lock cylinder 150 and rotated to the start position (ON) to repair it. Pressing the latch 141 protruding from the outer circumferential surface of the cylinder housing 140 through the through hole 126 formed on one side of the key switch assembly 120, the cylinder housing 140 is distal as shown in FIG. Easily pulled out from the key switch assembly 120 by the gripping force of the spring 142 that has been compressed can also be said to be the same as a conventional key switch assembly.

However, in the present invention, when the cylinder housing 140 is removed from the key switch assembly 120 as described above, the ruler protrusion 143 of the tip of the cylinder housing 140 is formed as shown in FIG. But the ball is pulled from the ball 125, but the operation port 130 is a small spring 134 because the pin 133 is first raised before being pinched by the ball pin 125 by the strong spring 132, the grip force of the lower portion. Rubbed pin 133 is burnt as it does not fit in the ruled ball (125) is raised along the operating port 130 as it is pressed by the trunk wall (122).

In addition, when the cylinder housing 140 is pulled out of the key switch assembly 120 as described above and the operating hole 130 is raised, the present invention provides the cylinder housing 140 and the pressing hole 144 as shown in FIG. Since the recessed part 145 having a considerable depth is formed between the guide holes 130, the guide 135 spoken on the back surface of the operating hole 130 is also caught by the pressing hole 144 by the recessed part 145. While rising together with), one end of the locking pin 131 is inserted into the locking groove 112 of the steering shaft 111 to be locked.

However, according to the present invention, when the cylinder housing 140 is continuously removed, the pressing hole 144 is slowly pushed down along the cylinder housing 140 as shown in the chain line of FIG. 4 is drawn as shown in the solid line of Figure 4, the pressing pin 144 as described above when the guide 135 is pressed as much as possible, the ruler pin of the lower operation port 130 as shown in Figure 3 (c) 133 is fastened by the holding force of the spring 134 to be caught by the fastening hole 125 of the trunk wall 122.

As described above, when the locking pin 133 of the operation tool 130 is fitted to the locking hole 125 of the trunk wall 122 and is caught in this state, the operating tool which is supported by the spring 132 even if the cylinder housing 140 is completely removed. Since the 130 cannot be raised again, the locking pin 131 can be prevented from being locked to the locking groove 112 of the steering shaft 111.

If the locking pin 131 of the key switch assembly 120 is not locked as described above, the operation hole 130 does not block the lock cylinder insertion hole formed in the center of the trunk wall 122 as in the related art. The housing 140 can be assembled directly to the keyswitch assembly 120. Accordingly, when the cylinder housing 140 is reassembled, the present invention completely removes the keyswitch assembly 120 itself from the steering column 110. The assembly work of the cylinder housing 140 can be performed more quickly and easily without the hassle of disassembling, and the waste of work time and manpower consumption can be considerably reduced, so that the labor cost can be reduced and the service can be provided quickly and efficiently. Will be.

As described above, in the present invention, when disassembling the cylinder housing in the key switch assembly, the pressure port released at the tip of the cylinder housing is pushed out while pressing the raised operating tool, and the ruler pin 133 installed at the operating tool is the key switch. It is possible to prevent the locking pin 131 from locking into the locking groove of the steering shaft by being inserted into the hanging hole formed in the wall of the assembly, thereby preventing the locking pin 131 from being locked into the locking groove of the steering shaft. The cylinder housing can be quickly and easily assembled into the keyswitch assembly without disassembling the keyswitch assembly from each other. Therefore, it is a very useful way to improve the service quality by reducing the working time and manpower consumption as much as possible.

Claims (2)

After installing the operating port 130 and the locking pin 131 supported by the spring 132 in the interior of the key switch assembly 120 to which the cylinder housing 140 of the lock cylinder 150 is attached and detached, the locking pin ( 131 is inserted into the locking groove 112 of the steering shaft 111 through the long hole 121, so that the locking, in the body of the operating port by installing a locking pin 133 that is supported by a spring 134 to kiss The fitting hole 125 is formed in the center wall 122 of the position assembly 120, and the guide 135 having the inclined surface 135a is formed at the rear end of the operation port 130, and the cylinder housing 140 is provided. Kissing for the car, characterized in that the front end of the front end is formed with a projection protrusion 143 to be fitted to the hanging hole 125, and the pressure port 144 for pressing the guide 135 on the opposite side Locking device for position housing assembly. The method of claim 1, wherein when the pressure port 144 is formed at the front end surface of the cylinder housing 140, the guide 135 is provided with a concave inlet 145 so as to be raised and pressed once. Locking device for vehicle key switch housing assembly.