KR102574375B1 - Assembling apparatus of shift cable - Google Patents

Abstract

A lever bracket that rotates with respect to the shift lever housing when the shift lever is operated and has a lever protrusion protruding to the side; a cable holder coupled to an end of the shift cable and fitted to the lever protrusion; And provided on the cable holder and fitted to the lever protrusion, by using an elastic force whose supply direction is switched when engaged with the lever protrusion, the cable holder is pressed toward the lever bracket and brought into close contact with the lever bracket and the lever bracket. A coupling device for a shifting cable including a diaphragm spring coupling a cable holder is introduced.

Description

Gear shift cable coupling device {ASSEMBLING APPARATUS OF SHIFT CABLE}

The present invention relates to a connecting device for connecting a transmission cable to a lever bracket, and relates to a coupling device for a shift cable that is easy to combine and disassemble and has a simple structure.

In general, a vehicle is equipped with a transmission that changes the driving force of an engine according to driving conditions. The transmission is divided into an automatic transmission in which shifting is performed automatically and a manual transmission in which shifting is performed by directly selecting a shift stage according to the driving condition. lose

In the automatic transmission, when each shift range is selected by rotating a shift lever installed in a vehicle in the forward and backward directions, the operating force of the shift lever is transmitted to the automatic transmission through a shift cable connected to the shift lever.

In addition, in the manual transmission, a select cable and a shift cable are connected to the shift lever to transfer the operating force of the shift lever to the manual transmission, so that when the shift lever is operated in the left and right directions, a desired shift range is selected by the driver, and the next shift lever is selected. When is operated in the up and down direction, the selected shift stage is operated and shifting is performed.

However, in order to connect the shifting cable for transmitting the operation force of the shifting lever to the shifting lever, it is necessary to adjust the shifting cable, insert the shifting cable into the lever, and insert the clip pin again. Since small parts must be assembled in accordance with the small holes, it takes a lot of time and effort, and when assembled incorrectly, a large gap is formed, resulting in noise when operating the shift lever.

The matters described as the background art above are only for improving understanding of the background of the present invention, and should not be taken as an admission that they correspond to prior art already known to those skilled in the art.

KR 1997-0066185 A

The present invention has been proposed to solve these problems, and an object of the present invention is to provide a shift cable coupling device that has a simple structure, is easy to assemble, and does not generate noise when operating a shift lever due to no play.

An apparatus for coupling a shift cable according to the present invention for achieving the above objects includes a lever bracket that is rotated with respect to a shift lever housing when a shift lever is operated and has a lever protrusion protruding to the side; a cable holder coupled to an end of the shift cable and fitted to the lever protrusion; And provided on the cable holder and fitted to the lever protrusion, by using an elastic force whose supply direction is switched when engaged with the lever protrusion, the cable holder is pressed toward the lever bracket and brought into close contact with the lever bracket and the lever bracket. Includes a diaphragm spring coupling the cable holder.

The diaphragm spring includes a disc-shaped base in which a hollow part is formed; a switching part having one end connected to the base to form a predetermined angle and the other end extending toward the hollow part; and a horizontal portion formed at an end of the switching unit and maintaining a predetermined angle with the switching unit before and after switching.

The end of the lever protrusion includes a head portion into which the hollow portion of the diaphragm spring is inserted and a neck portion having a radius smaller than that of the head portion and fixed after the diaphragm spring is inserted, so that the switching portion is switched and then the head portion It can be supported by hanging the horizontal part.

The horizontal part is maintained horizontally with the outer circumferential surface of the head part before switching of the switching part and is located in a shape surrounding the head part, and after the switching part is switched, the diameter of the hollow part is smaller than the diameter of the head part, so that the horizontal part of the head part By being caught on the side of the neck, the diaphragm spring can be prevented from being separated from the lever protrusion.

The head portion is formed such that a radius gradually increases toward the neck portion, and an outer circumferential surface forms an inclined surface in a direction in which the diaphragm spring is inserted, so that the horizontal part can slide along the inclined surface.

The switching part of the upper phase diaphragm spring is switched to both sides of the base through the hollow part, and the outer angle formed by the switching part and the horizontal part before switching and the inner angle formed by the switching part and the horizontal part after switching can be maintained the same. there is.

The cable holder is composed of an inner holder and an outer holder, and a plurality of fixing protrusions protruding toward the diaphragm spring are formed on the inner holder, and the diaphragm spring is positioned at an end of the fixing protrusion, thereby switching the diaphragm spring. The cable holder may be brought into close contact with the lever bracket by pressing.

The fixing protrusions are formed at positions facing each other, a first screw thread is formed at an end of the fixing protrusion, a second screw thread is formed on the diaphragm spring, and the first screw thread and the second screw thread are formed after the diaphragm spring is switched. By being coupled, the diaphragm spring may be fixed to the fixing protrusion.

A coupling hole is formed in the cable holder, the diaphragm spring protrudes to the outside of the cable holder through the coupling hole after switching, and the diaphragm spring is supported by the fixing protrusion and the cable holder, thereby rotating the shifting cable. Even at this time, the gap between the cable holder and the lever bracket can be eliminated.

According to the coupling device of the shifting cable having the structure as described above, unlike the conventional clip type, by using a diaphragm spring that can be engaged and released by pressing, one-touch reliable without the work of assembling the clip in a small hole. Fastening is possible, greatly improving workability.

In addition, if the diaphragm spring is pushed into the position of the lever protrusion on which the head and neck are formed without a separate ADJUST operation, a reliable coupling is achieved, and there is an advantage in that noise due to clearance is not generated during operation. Moreover, even after coupling, the outer circumferential surface of the diaphragm spring is screwed together by the thread formed on the fixing protrusion of the cable holder, so the position is firmly fixed and does not come off, and the operator feels the feeling of the diaphragm spring being switched during work to know if it is securely fastened. This has the effect of shortening the working time, improving the quality of work, and reducing the cost.

1 is a view showing a coupling device for a shift cable according to an embodiment of the present invention;
Figure 2 is an exploded perspective view of part A of Figure 1;
3 is a view showing a state in which an inner holder and a diaphragm spring are coupled;
4 is a cross-sectional view of a diaphragm spring before switching;
Figure 5 is a perspective view of Figure 4;
6 is a cross-sectional view of a diaphragm spring immediately before switching;
Figure 7 is a perspective view of Figure 6;
8 is a cross-sectional view showing a state after switching of a diaphragm spring;
Figure 9 is a perspective view of Figure 8;
10 is a view showing a shift cable coupling device according to another embodiment of the present invention.
FIG. 11 is a view showing a state immediately before coupling of FIG. 10;
FIG. 12 is a detailed view of part B of FIG. 11;

Hereinafter, referring to the accompanying drawings, a coupling device for a shift cable according to a preferred embodiment of the present invention will be described.

1 is a view showing a shift cable coupling device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of part A of FIG. 1, and FIG. 3 is a coupling between an inner holder 510 and a diaphragm spring 900. This is a drawing showing what it looks like.

A shift cable coupling device according to a preferred embodiment of the present invention includes a lever bracket 300 that is rotated relative to the shift lever housing 100 when the shift lever 200 is operated and has a lever protrusion 310 protruding to the side. ; a cable holder 500 coupled to an end of the shift cable 700 and fitted to the lever protrusion 310; And it is provided on the cable holder 500 and fitted to the lever protrusion 310, and when coupled with the lever protrusion 310, the cable holder 500 is moved by using an elastic force that changes the supply direction to the lever. A diaphragm spring 900 coupling the lever bracket 300 and the cable holder 500 by pressing the bracket 300 and bringing them into close contact.

In the first embodiment, application to a manual transmission will be described as an example. In particular, the lever bracket 300 may be a select lever bracket for select, and the shift cable 700 may also be a select cable. , these settings can be changed as much as possible according to the environment or design.

A head portion 311 into which the diaphragm spring 900 is inserted and a neck portion 313 having a smaller radius than the head portion 311 are formed at an end of the lever protrusion 310 of the lever bracket 300 . The head portion 311 is formed such that a radius gradually increases toward the neck portion 313, and an outer circumferential surface thereof is formed as an inclined surface in a direction into which the diaphragm spring 900 is inserted.

The diaphragm spring 900 includes a disc-shaped base 930 in which a hollow part 910 is formed; a switching part 950 having one end connected to the base 930 at a predetermined angle and the other end extending toward the hollow part 910; and a horizontal portion 990 formed at an end of the switching unit 950 and maintaining a predetermined angle with the switching unit 950 before and after switching.

In addition, the cable holder 500 may be composed of an inner holder 510 and an outer holder 530 in which coupling holes 511 and 531 are formed in the center. A space portion 550 forming a predetermined space is provided inside the cable holder 500, and the diaphragm spring 900 may be positioned in the space portion 550. A plurality of fixing protrusions 513 protruding outward of the lever bracket 300, that is, toward the diaphragm spring 900, are formed on the inner holder 510. The fixing protrusions 513 are formed to face each other around the coupling hole 511 of the inner holder 510 . The diaphragm spring 900 is seated on the fixing protrusion 513 . In particular, a first screw thread 515 is formed at an end of the fixing protrusion 513, and a second screw thread 970 is formed on an outer circumferential surface of the diaphragm spring 900.

Therefore, since the diaphragm spring 900 is positioned at the end of the fixing protrusion 513, the first screw thread 515 and the second screw thread 970 are coupled after switching of the diaphragm spring 900. Therefore, as the diaphragm spring 900 is fixed to the fixing protrusion 513, the diaphragm spring 900 elastically presses the cable holder 500 to the lever bracket 300 to stably and closely fix it. will be able to

In particular, the diaphragm spring 900 protrudes to the outside of the cable holder 500 through the coupling holes 511 and 531 after switching, and the diaphragm spring 900 is connected to the fixing protrusion 513 and the cable holder 500. ) is positioned between and fixed and then supported, so that the gap between the cable holder 500 and the lever bracket 300 is eliminated even when the shift cable 700 rotates.

4 to 9 will be described how the coupling device of the shift cable according to the present invention is mounted. First, FIG. 4 is a cross-sectional view of the diaphragm spring 900 before switching, and FIG. 5 is a perspective view of FIG. 4 .

The cable holder 500 is coupled to the lever protrusion 310 of the lever bracket 300. At this time, the diaphragm spring 900 is mounted in the space 550 of the cable holder 500, and the base 930 of the diaphragm spring 900 spans the fixing protrusion 513, and the hollow part The diaphragm spring 900 is inserted into the lever protrusion 310 through 910, and the switching part 950 is positioned toward the head part 311 side.

In particular, before switching of the switching part 950, the horizontal part 990 is maintained horizontally with the outer circumferential surface of the head part 311 and is positioned in a shape surrounding the head part 311. At this time, it can be confirmed that the diameter (D) of the hollow part 910 of the diaphragm spring 900 is greater than the diameter (BD) of the head part 311 . In addition, the outer angle formed by the switching portion 950 and the horizontal portion 990 forms θ, and the base 930 of the diaphragm spring 900 and the switching portion 950 form a predetermined angle. However, it would be preferable that the cross section exhibits a shape such as "/".

FIG. 6 is a cross-sectional view of the diaphragm spring 900 immediately before switching, and FIG. 7 is a perspective view of FIG. 6 .

When the cable holder 500 is gradually pressed toward the lever bracket 300, the diaphragm spring 900 is pressed, and the horizontal portion 990 of the diaphragm spring 900 moves toward the head portion of the lever protrusion 310. (311) By sliding along the inclined surface, both the head part 311 and the neck part 313 are inserted up to the base 930 of the diaphragm spring 900. In addition, a part of the lever protrusion 310 is inserted into the cable holder 500 through the coupling holes 511 and 531 of the cable holder 500 .

Finally, FIG. 8 is a cross-sectional view of the diaphragm spring 900 after switching, and FIG. 9 is a perspective view of FIG. 8 .

In this step, the switching part 950 of the diaphragm spring 900 cannot overcome the force applied by the diaphragm spring 900 and is switched to the opposite side of the base 930 through the hollow part 910. At this time, the switching part 950 is instantly switched elastically and protrudes through the outside of the coupling holes 511 and 531 . After switching of the switching part 950, the diameter (D') of the hollow part 910 of the diaphragm spring 900 is smaller than the diameter (BD) of the head part 311, so that the horizontal part 990 is By being caught on the side of the neck part 313 of the head part 311, the diaphragm spring 900 is prevented from being separated from the lever protrusion 310.

In addition, after switching, the inside angle between the switching part 950 and the horizontal part 990 is θ, and the outside angle between the switching part 950 and the horizontal part 990 before switching is maintained. . In addition, the base 930 of the diaphragm spring 900 and the switching portion 950 form a predetermined angle, but the cross section has a shape such as "\" to prevent separation from the head portion 311. would be preferable

In particular, since the switching part 950 is elastic, since the direction of the horizontal part 990 of the diaphragm spring 900 is different, the horizontal part 990 is at the side of the neck part 313 of the head part 311. After being caught, the radius of the hollow part 910 becomes smaller than before switching (D -> D'). Therefore, after switching the switching part 950 of the diaphragm spring 900, the horizontal part 990 is supported by hanging on the head part 311.

If the shift cable 700 needs to be replaced or maintained for reasons such as AS, if the cable holder 500 is pulled in the direction opposite to the assembly direction with a force equal to or greater than the elastic force of the diaphragm spring 900, the diaphragm The spring 900 is switched again so that it can be easily disassembled.

In addition, FIG. 10 is a view showing a shift cable coupling device according to another embodiment of the present invention, FIG. 11 is a view showing a state just before coupling of FIG. 10, and FIG. 12 is a detailed view of part B of FIG. It is a drawing that shows

If the first embodiment of the present invention is applied to a manual transmission, the second embodiment can be said to be applied to an automatic transmission. As in the first embodiment, the coupling device of the shift cable is rotated with respect to the shift lever housing 100 when the shift lever 200 is operated, and the lever bracket 300 has a lever protrusion 310 protruding to the side; a cable holder 500 coupled to an end of the shift cable 700 and fitted to the lever protrusion 310; And it is provided on the cable holder 500 and fitted to the lever protrusion 310, and when coupled with the lever protrusion 310, the cable holder 500 is moved by using an elastic force that changes the supply direction to the lever. A diaphragm spring 900 coupling the lever bracket 300 and the cable holder 500 by pressing the bracket 300 and bringing them into close contact.

The lever protrusion 310 also includes a head part 311 and a neck part 313 at the end, and the hollow part 910 of the diaphragm spring 900 is attached to the head part 311 and the neck part 313. After being inserted, it is switched and coupled. As in the first embodiment described above, the process before and after switching is the same, so detailed descriptions will be omitted.

Therefore, according to the coupling device of the shift cable of the present invention, unlike the conventional clip type, by using a diaphragm spring 900 that can be coupled and released by pressing, one-touch operation without the work of assembling the clip in a small hole This enables reliable fastening, greatly improving workability.

In addition, if the diaphragm spring 900 is pushed into the position of the lever protrusion 310 on which the head part 311 and the neck part 313 are formed without a separate ADJUST work, a reliable coupling is made and there is no play during operation. It has the advantage of not generating noise. Moreover, even after coupling, the outer circumferential surface of the diaphragm spring 900 and the screw threads 515 and 970 formed on the fixing protrusion 513 of the cable holder 500 are screwed together, so that the position is firmly fixed and does not come off, and the diaphragm spring 900 ) is switched, and it is possible to know whether it has been tightened securely, which has the effect of shortening working time, improving work quality, and reducing cost.

Although the present invention has been shown and described in relation to specific embodiments, it is known in the art that the present invention can be variously improved and changed without departing from the technical spirit of the present invention provided by the claims below. It will be self-evident to those skilled in the art.

100: shift lever housing 200: shift lever
300: lever bracket 310: lever protrusion
311: head part 313: neck part
500: cable holder 510: inner holder
511: coupling hole 513: fixing protrusion
515: first thread 530: outer holder
531: coupling hole 550: space
700: shift cable 900: diaphragm spring
910: hollow part 930: base
950: switching part 970: second thread
990: horizontal part

Claims (10)

A lever bracket that rotates with respect to the shift lever housing when the shift lever is operated and has a lever protrusion protruding to the side;
a cable holder coupled to an end of the shift cable and fitted to the lever protrusion; and
It is provided on the cable holder and fitted to the lever protrusion, and presses the cable holder toward the lever bracket by using an elastic force whose supply direction is switched when coupled with the lever protrusion to bring the cable holder into close contact with the lever bracket and the cable. Including; diaphragm spring coupling the holder,
The cable holder is composed of an inner holder and an outer holder, and a plurality of fixing protrusions protruding toward the diaphragm spring are formed on the inner holder, and the diaphragm spring is positioned at an end of the fixing protrusion, thereby switching the diaphragm spring. The coupling device of the shift cable, characterized in that the cable holder is pressurized and brought into close contact with the lever bracket. The method of claim 1,
The diaphragm spring is
A disc-shaped base with a hollow part formed thereon;
a switching part having one end connected to the base to form a predetermined angle and the other end extending toward the hollow part; and
A coupling device for a shifting cable characterized in that it consists of a horizontal portion formed at an end of the switching portion and maintaining a predetermined angle with the switching portion before and after switching. The method of claim 2,
The end of the lever protrusion includes a head portion into which the hollow portion of the diaphragm spring is inserted and a neck portion having a radius smaller than that of the head portion and fixed after the diaphragm spring is inserted, so that the switching portion is switched and then the head portion A coupling device for a shift cable, characterized in that the horizontal part is supported by being caught. The method of claim 3,
The horizontal part is maintained horizontally with the outer circumferential surface of the head part before switching of the switching part and is located in a shape surrounding the head part, and after the switching part is switched, the diameter of the hollow part is smaller than the diameter of the head part, so that the horizontal part of the head part The coupling device of the shift cable, characterized in that the diaphragm spring is prevented from being separated from the lever protrusion by being caught on the side of the neck. The method of claim 3,
The coupling device of the shifting cable according to claim 1 , wherein the head part is formed such that its radius gradually increases toward the neck part, and an outer circumferential surface forms an inclined surface in a direction in which the diaphragm spring is inserted, so that the horizontal part slides along the inclined surface. delete delete The method of claim 1,
The fixing protrusions are formed at positions facing each other, a first screw thread is formed at an end of the fixing protrusion, a second screw thread is formed on the diaphragm spring, and the first screw thread and the second screw thread are formed after the diaphragm spring is switched. By being coupled, the diaphragm spring is fixed to the fixing protrusion. The method of claim 1,
A coupling hole is formed in the cable holder, the diaphragm spring protrudes to the outside of the cable holder through the coupling hole after switching, and the diaphragm spring is supported by the fixing protrusion and the cable holder, thereby rotating the shifting cable. The coupling device of the shift cable, characterized in that the gap between the cable holder and the lever bracket is eliminated even when A lever bracket that rotates with respect to the shift lever housing when the shift lever is operated and has a lever protrusion protruding to the side;
a cable holder coupled to an end of the shift cable and fitted to the lever protrusion; and
It is provided on the cable holder and fitted to the lever protrusion, and presses the cable holder toward the lever bracket by using an elastic force whose supply direction is switched when coupled with the lever protrusion to bring the cable holder into close contact with the lever bracket and the cable. Including; diaphragm spring coupling the holder,
The diaphragm spring is
A disc-shaped base with a hollow part formed thereon;
a switching part having one end connected to the base to form a predetermined angle and the other end extending toward the hollow part; and
A horizontal portion formed at an end of the switching unit and maintaining a predetermined angle with the switching unit before and after switching;
The switching part of the diaphragm spring is switched to both sides of the base through the hollow part, and the outer angle formed by the switching part and the horizontal part before switching and the inner angle formed by the switching part and the horizontal part after switching are maintained the same. A coupling device for a shift cable to be used.