KR200259990Y1 - Assembling structure of knob for electronic products - Google Patents

Abstract

The present invention relates to an assembly structure of a knob for an electronic product, which is mounted on the outside of the electronic product so as to control a tact switch installed therein.

The present invention is mounted on the front cover of the electronic product in the assembly structure of the electronic product knob to control the electronics by selectively contacting the tact switch installed in the front cover, the knob body formed so that the user can press the knob body And a plurality of switching protrusions protruding from the knob body and selectively contacting a plurality of tact switches positioned in different directions, respectively, and engaging protrusions protruding from the knob body to couple the knob body to the front cover. An elastic rib is integrally formed in the front cover while elastically supporting the insertion hole and the knob body into which the switching protrusion and the locking protrusion are fitted so that the knob body is coupled thereto.

As described above, the assembly structure of the electronic device knob according to the present invention is not only the coupling is completed by inserting the electronic device knob directly to the engaging portion of the front cover, but also by pressing the edge of the knob body protruding the switching projection tact When the switch is controlled, two elastic ribs are always supported on both sides of the pressed knob body to prevent tilting in one direction.

Description

Assembling structure of knob for electronic products

The present invention relates to an assembly structure of a knob for an electronic product, and more particularly, to an assembly structure of a knob for an electronic product, which is mounted on the outside of the electronic product so as to control a tact switch installed therein.

In general, electronic products such as televisions, video recorders, audio, computers, and compact disk players can be used to control the product. ) Are mounted.

Such switches have a structure that can be operated by miniaturization or simple contact so as not to protrude from the operation unit or the front cover in consideration of the appearance of the electronic products as the electronic products are miniaturized. In particular, when a separate knob is required for a switch operation, such as a tact switch, the structure of the knob is designed to have a thin and simple structure as much as possible.

Hereinafter, an example of an assembly structure of a knob for a conventional electronic product will be described.

Conventional electronics knobs are mounted on the front cover of the electronics, one-to-one correspond to the tact switch installed inside the front cover. At this time, when there are a plurality of tact switches, a plurality of knobs are installed according to the number of the tact switches. An elastic spring is installed between the knob and the front cover on which the knob is mounted, and the elastic spring serves to return the knob pressed downward by the user to its original position.

However, such a conventional electronic knob has a plurality of tact switches installed in accordance with the number of the tact switches, the installation time is not only a lot of time, but also a large mold cost to mold the knob has a problem have.

In addition, the conventional electronic knob is provided with an elastic spring therein to be returned to its original position when pressed down by the user, such an elastic spring not only makes the assembly of the knob cumbersome, but also the knob as a single elastic spring Because the support is supported, when the knob is pressed by the user, the knob tilts to one side such as the left or the right side.

Accordingly, the present invention has been made in view of the above problems, and an object of the present invention is to provide an assembly structure of a knob for an electronic product, which can control a plurality of tact switches with one knob and does not lean.

1 is a perspective view showing that a knob for an electronic product according to the present invention is mounted in a language unit as an example.

Figure 2 is an exploded perspective view showing the assembly structure of a knob for an electronic product which is an embodiment of the present invention.

FIG. 3 is a cross-sectional view taken along the line I-I of the assembly of the knob for electronic products of FIG. 2; FIG.

Figure 4 is a cross-sectional view showing the assembly structure of the knob for electronic products of Figure 3;

The present invention for implementing the above object is mounted on the front cover of the electronic product in the assembly structure of the electronic product knob to control the electronics by selectively contacting the tact switch installed in the front cover, the knob is pressed by the user And a plurality of switching protrusions protruding from the knob body and selectively contacting a plurality of tact switches positioned in different directions, respectively, and a locking protrusion protruding from the knob body to couple the knob body to the front cover. The front cover may include an elastic rib formed integrally with the front cover while elastically supporting the insertion hole and the knob body into which the switching protrusion and the locking protrusion are fitted so that the knob body is coupled to the front cover.

Further, the insertion hole is formed in a plurality of different directions so that the switching projection and the locking projection is fitted, the elastic ribs are formed between the insertion holes, respectively.

Hereinafter, the assembly structure of the knob 70 for an electronic device of the present invention will be described in detail with reference to FIGS. 1 to 4. At this time, the present invention will be described as a preferred embodiment that the knob 70 for the present invention electronic product is mounted on the language unit 110 as an example.

First, the language unit 110 will be described. The language unit 110 includes a case (Case) 100 on which a printed circuit board 60 and various devices (not shown) are mounted, and a front covering the case 100. It consists of a cover 90. At this time, the tact switch 65 is installed in the printed circuit board 60 mounted inside the case 100 so as to operate various devices, and the front cover 90 controls the tact switch 65 from the outside ( Electronic control knob 70 is mounted to control.

More specifically, the electronics knob 70 has a large disk-shaped knob body 71, a central shaft protrusion 75, a locking protrusion 73, and a protrusion protruding downward from the lower surface of the knob body 71. It is composed of a switching projection (77). Herein, the central shaft protrusion 75 extends a predetermined length from the center of the lower surface of the knob body 71 in a rod shape, and the center hole 82 of the coupling portion 80 formed on the front cover 90 to be described later. ) And prevents the electronic device knob 70 from being shifted in one direction when moved up and down.

In addition, the locking protrusion 73 has a rod shape in which a lower end portion is bent in a hook shape so as to correspond to the insertion hole 84 of the coupling portion 80 formed in the front cover 90 to be described later, at the bottom edge of the knob body 71. It extends a predetermined length and is inserted into the insertion hole 84 of the coupling portion 80 formed in the front cover 90 so that the electronic device knob 70 is coupled to the coupling portion 80 of the front cover 90. Do it. At this time, the engaging projection 73 is preferably formed of about 2 to 4 so that the knob 70 for the electronic product is coupled to the coupling portion 80 of the front cover 90.

In addition, the switching protrusion 77 has a rod shape having a length longer than that of the central shaft protrusion 75 and the locking protrusion 73, and is formed at an inner side adjacent to the locking protrusion 73 among edges of the lower surface of the knob body 71. It is fitted with the insertion groove 84 of the coupling portion 80 formed in the front cover 90 together with the 73 and the user directly contacts the tact switch 65 when the user presses the knob 70 for electronics. Play a role. At this time, the switching protrusion 77 is preferably formed equal to the number of the tact switch 65.

On the other hand, the front cover 90, on which the electronic product knob 70 is mounted, is formed with a predetermined depth stepped coupling portion 80 so that the switch knob 70 is mounted.

More specifically, the coupling part 80 is formed in a circular shape so that the knob body 71 can be fitted, and the center shaft protrusion 75 of the knob 70 for the electronic product is fitted in the center thereof. A central hole 82 having a diameter is formed, and near the edge, the insertion hole 84 for coupling the electronic device knob 70 and the electronic product knob 70 pressed by the user are returned to their original positions. Elastic ribs 88 are formed.

Here, the insertion hole 84 is formed in a semi-circular shape so that the engaging projection 73 and the switching projection 77 formed in the knob 70 for the electronics is fitted, it is formed in a radial arrangement near the edge of the coupling portion 80 do. At this time, the insertion hole 84 is preferably formed one each in the front, rear, left and right directions with respect to the center hole 82, it is preferable that each insertion hole is formed so as to form a right angle with the adjacent insertion hole.

In addition, the elastic rib 88 serves to return the knob 70 for the electronic product pressed by the user to its original position. The elastic rib 88 is formed in a flat plate shape having a predetermined width, and the coupling portion 80 Radially arranged near the edges. In this case, the elastic ribs 88 are preferably formed at the center between the insertion holes 84 formed in the front, rear, left and right directions with respect to the center hole 82, respectively, so that one elastic rib can form a right angle with the adjacent elastic ribs. Preferably formed.

Here, the three sides of the elastic ribs 88, ie, the three surfaces except the surface of the elastic ribs 88 toward the center hole 82, are formed along the shape such that the elastic ribs 88 are formed in a flat plate shape having a predetermined width. An incision hole 86 cut into a predetermined size of width is formed. In addition, a hemispherical protrusion hump 89 is formed at the upper end of the elastic rib 88, which is the knob body 71 when the knob body 71 is mounted to the engaging portion 80. When the knob body 71 is pressed directly by the user to be in contact with the lower surface of the to act as to enable the elastic rib 88 is interlocked by the knob body 71 directly.

Hereinafter, the operation and effects of the assembly method and the assembly structure according to the assembly of the present invention electronics knob 70 configured in this preferred embodiment as follows.

First, the knob 70 for the present invention is mounted on the coupling portion 80 formed on the front cover 90 of the language controller 110. At this time, the tact switch 65 controlled by the electronic device knob 70 is positioned inside the front cover 90, that is, under the coupling part 80.

Thus, when the electronic device knob 70 is mounted on the coupling portion 80 of the front cover 90, the bottom surface of the knob body 71 has an elastic rib 88 formed on the coupling portion 80 of the front cover 90. It is to be mounted in contact with the protrusion (89) of the).

After the assembly of the electronic device knob 70 is completed, the user moves the knob body 71 of the portion of the electronic device knob 70 in which the switching protrusion 77 protrudes downward in order to control the language controller 110. Will be pressed.

Accordingly, as the knob body 71 is pushed downward, the switching protrusion 77 slides downward in the insertion hole 84 of the coupling portion 80 formed in the front cover 90 and moves in the front cover 90. The tact switch 65 installed is contacted, and the language learner 110 is controlled.

At this time, when the knob body 71 is pushed downward by the user and the switching protrusion 77 slides downward from the insertion hole 84 of the coupling part 80, the insertion protrusion 77 slides. Two elastic ribs 88 adjacent to one side direction and the other direction of 84 are moved downward by a distance at which the switching protrusion 77 slides downwardly from the insertion hole 84 by the knob body 71 pressed downward. Will be pressed.

Subsequently, when the user regains the force of pressing the knob body 71, the switching protrusion 77 and the knob body 71 are returned to their original positions by the elastic ribs 88. That is, when the user retracts the force used to press the knob body 71, the two elastic ribs 88 adjacent to one direction and the other direction of the insertion hole 84 in which the switching protrusion 77 slides are homed by their own elastic force. In this way, the elastic ribs 88 returning to the original position return the knob body 71 in contact with the elastic ribs 88 to the original position, and thus the switching protrusions integrally formed on the knob body 71 77) is also returned to the original position.

As described above, the assembly structure of the electronic device knob 70 according to the present invention is not only the coupling is completed as the electronic device knob 70 is fitted directly to the coupling portion 80 of the front cover 90, but also switching When the projection 77 controls the tact switch 65 by pressing one edge of the protruding knob body 71, two elastic ribs 88 are always supported on both sides on the lower left and right sides of the pressed knob body 71. Because you are doing, you will not be tilted in one direction.

In addition, since the self-elastic force of the elastic ribs 88 is used to return the switching protrusion 77 and the knob body 71 to their original positions, the coupling of the electronic appliance knob 70 is not only easier. Since a plurality of tact switches 65 can be controlled by one knob 70 for electronic products made of an integrated mold, the mold cost previously known can be further reduced.

In the above, although the assembly structure of the knob for the electronic device of the present invention was described as a preferred embodiment, the technical idea of the present invention is not limited to the language unit, and all electronic products constituted by the assembly structure of the knob for the electronic device of the present invention are all. It should be considered to belong to the technical category of the present invention.

As described above, the assembly structure of the electronic device knob according to the present invention is not only the coupling is completed by inserting the electronic device knob directly to the coupling portion of the front cover, but also the edge of the knob body protruding the switching projection When pressing to control the tact switch, the two elastic ribs are always supported on both sides of the pressed knob body so that there is an effect of not tilting in one direction.

In addition, since the elastic switch and the knob body use the elastic ribs' own elastic force instead of the spring, the combination of electronic knobs is more easily combined, and a plurality of electronic knobs with a single mold are used. Since it is possible to control the tact switch, there is an effect that can reduce the mold cost conventionally.

Claims (2)

In the assembly structure of the electronic product knob which is mounted on the front cover of the electronic product, and selectively contacts the tact switch installed in the front cover to control the electronic product, The knob has a knob body formed to be pressed by a user, a plurality of switching protrusions protruding from the knob body and selectively contacting the plurality of tact switches located in different directions, and the knob body protruding from the knob body. It is composed of a locking projection to be coupled to the front cover, the front cover elastically supporting the insertion hole and the knob body fitted with the switching projection and the locking body so that the knob body is coupled to the front cover is integrally elastic Assembly structure of a knob for an electronic product, characterized in that the rib is formed. The assembly structure of the electronic product knob according to claim 1, wherein the insertion hole is formed in a plurality of different directions so that the switching protrusion and the locking protrusion are fitted, and the elastic ribs are formed between the insertion holes. .