KR20060028287A - Apparatus for coupling case of mobile phone - Google Patents

Abstract

The present invention relates to a case coupling device of a mobile communication terminal, wherein a mobile communication terminal having an internal space defined by an upper case and a lower case, wherein the hook is formed in the shape of an iron in the longitudinal direction on the side wall of the lower case. And a hook provided on the side wall of the upper case so as to correspond to the hook groove, extending in the lower case direction and inserted into and engaged with the hook groove. Therefore, since the hooks and the hook grooves are formed on the side walls of the upper case and the lower case and do not protrude toward the inner space, the shape and processing of the parts such as the PCB or the keypad embedded in the inner space are not only simple but also the size of the combined case is increased. It can be prevented from increasing.

Mobile communication terminal, case, coupling device

Description

Apparatus for coupling case of mobile phone}

1 is a perspective view of a mobile communication terminal according to the prior art.

FIG. 2 is a cross-sectional view taken along the line II of FIG. 1. FIG.

Figure 3 is an exploded perspective view of a mobile communication terminal employing a case coupling device according to the present invention.

4A and 4B are cross-sectional views of FIG. 3 taken along lines II-II and III-III.

Explanation of symbols on the main parts of the drawings

21: upper case 23: lower case

25: interior space 27: hook groove

29 Hook 31: Spacer

33: elastic piece

The present invention relates to a case coupling device of a mobile communication terminal, and in particular, the shape and processing of components such as a printed circuit board (PCB) or keypad embedded in an internal space of the terminal is simple and the size of the case is simplified. It relates to a case coupling device of a mobile communication terminal that can be reduced.

Mobile communication terminals are classified into a bar type, a flip type, a folder type, a slide type, and the like according to their external structure.

In the above bar and flip type is a structure of the initial form of the mobile terminal has a long length was inconvenient to carry. Thus, two cases, namely, a folder having a top folder and a bottom folder having a structure capable of opening and closing a folder when making a call or carrying a mobile communication terminal such as a folder type and a slide type having a reduced size have been developed.

The upper body and the lower folder of the bar and flip terminal terminals, and the upper and lower folders of the folder type and the slide type are each equipped with components such as a printed circuit board (PCB) or a keypad in an inner space between the upper case and the lower case. Accordingly, when assembling the mobile communication terminal, a component such as a PCB or a keypad is mounted in the lower case, covered with the upper case, and assembled so as not to be separated.

1 is a perspective view of a mobile communication terminal according to the prior art, and FIG. 2 is a cross-sectional view taken along line II of FIG. 1.

The case coupling device of the mobile communication terminal according to the related art is formed of a first hook 17 and a second hook 19 protruding from and corresponding to the side walls of the upper case 11 and the lower case 13. In the above, the upper case 11 and the lower case 13 are coupled by engaging the locking jaws of the first hook 17 and the second hook 19 to define the internal space 15. In the internal space 15, components such as a PCB (not shown) or a keypad (not shown) are fixedly embedded.

The first hook 17 and the second hook 19 are formed to protrude in the direction of the inner space 15 on the side walls of the upper case 11 and the lower case 13. In the above, the first hook 17 and the second hook 19 has a width of the engaging jaw is a predetermined value, for example, 0.8 mm or more in order to have a minimum coupling force of the upper case 11 and the lower case 13 Should be

As described above, the case coupling device of the mobile communication terminal according to the prior art is formed by the first hook and the second hook protruding in the direction of the inner space on the side walls of the upper case and the lower case, so that the locking jaws are engaged with each other and fastened. And a lower case to assemble the case defining the internal space.

However, since the case coupling device of the mobile communication terminal according to the prior art is formed so that the first hook and the second hook, which are means for coupling the upper case and the lower case, protrude in the direction of the inner space, the shape and processing of components such as a PCB or a keypad Not only this complexity, but also the size of the assembled case had a problem that increases.

Accordingly, an object of the present invention is to provide a case coupling device of a mobile communication terminal that is formed so that the means for coupling the upper case and the lower case does not protrude in the direction of the inner space, and the shape and processing of components such as PCB or keypad is simple.

Another object of the present invention to provide a case coupling device of a mobile communication terminal that can prevent the size of the case is increased.

In the case of the mobile communication terminal according to the present invention for achieving the above object is a mobile communication terminal in which the inner space is limited by the upper case and the lower case, the iron (길이) in the longitudinal direction on the side wall of the lower case; And a hook groove formed in a shape and corresponding to the hook groove on the sidewall of the upper case, extending in the lower case direction and inserted into the hook groove to be fastened.

In the above hook is formed to have a plurality of elastic pieces spaced apart by the spacer formed in the center portion.

The hook is formed in an iron shape including the spacer portion.

Each of the plurality of elastic pieces is formed to be inclined to the portion corresponding to the separation portion.

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

3 is an exploded perspective view of a mobile communication terminal employing a case coupling device according to the present invention, and FIGS. 4A and 4B are cross-sectional views taken along lines II-II and III-III of FIG. 3.

The case coupling device of the case mobile communication terminal according to the present invention is coupled to the upper case 21 to define the internal space 25 is fixedly embedded parts such as PCB (not shown) or keypad (not shown) and It consists of a hook 29 and a hook groove 27 formed to correspond to the side wall of the lower case 23.

The hook groove 27 is formed in the side wall of the lower case 23 is formed in the iron shape so as to have a locking jaw in the longitudinal direction of the case longer than the entrance.

In addition, the hook 29 extends in the direction of the lower case 23 at the end of the side wall of the upper case 21 and is spaced apart by a plurality of elastic pieces (eg, two elastic pieces) formed at the center portion 31. 33). The hook 29 is formed in an iron shape including a spaced part 31 and inserted into the hook groove 27 to couple the upper case 21 and the lower case 23 to each other.

In the hook 29, a plurality of, for example, two elastic pieces 33 are elastically deformed toward the separation part 31 and inserted into the hook groove 27, and the hook 29 is hook hook ( In the inserted state 27, the elastic piece 33 is restored to its original shape and is fastened so that the step is engaged with the locking step. In the above, a plurality of, for example, two elastic pieces 33 are formed to be inclined at portions corresponding to the spaced portions 31 so that the hook 29 is easily inserted into the hook groove 27.

Since the hook 29 and the hook groove 27 forming the case coupling device are formed on the side walls of the upper case 21 and the lower case 23 and do not protrude toward the inner space 25, the hook 29 and the hook groove 27 are formed in the inner space 25. The shape and processing of components such as embedded PCBs or keypads are simple, and the size of the combined case can be prevented from increasing.

An operation of coupling the upper case 21 and the lower case 23 in the mobile communication terminal employing the case coupling device having the above-described configuration will be described.

After fixing components such as a PCB or a keypad to the lower case 23 is fixed to cover the upper case 21 and apply a force. Thus, the upper case 21 and the lower case 23 are combined into one body by the hook 29 is inserted into the hook groove 27.

In the above, a plurality of, for example, two elastic pieces 33 are elastically deformed toward the spaced portion 31 and the portions corresponding to the spaced portions 31 are formed to be inclined so that the hook 29 is formed on the hook groove 27. Easily inserted Then, when the hook 29 is inserted into the hook groove 27, a plurality of, for example, two elastic pieces 33 are restored to their original shape so that the step is engaged with the locking jaw in the hook groove 27.

As described above, the case coupling device of the mobile communication terminal according to the present invention is formed such that the hook has a plurality of, for example, two elastic pieces that extend in the direction of the lower case and are spaced apart by the spacer at the end of the side wall of the upper case. The hook groove is formed in an iron shape in a portion corresponding to the hook of the side wall of the lower case so as to have a locking jaw in the longitudinal direction of the case than the entrance. Thus, the upper case and the lower case is coupled by inserting the hook into the hook groove to define the internal space.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

Therefore, in the present invention, since the hook and the hook groove are formed on the sidewalls of the upper case and the lower case and do not protrude toward the inner space, the shape and processing of the parts such as the PCB or the keypad embedded in the inner space are not only simple, but also the combined case. There is an advantage that can prevent the size of the increase.

Claims (4)

In the mobile communication terminal in which the internal space is limited by the upper case and the lower case,  Hook grooves formed in the iron shape in the longitudinal direction on the side wall of the lower case, And a hook provided on the side wall of the upper case so as to correspond to the hook groove and extending in the lower case direction and inserted into and engaged with the hook groove. The case coupling device of claim 1, wherein the hook has a plurality of elastic pieces spaced apart by a spacer formed at a center portion thereof. The case coupling device of claim 2, wherein the hook is formed in an iron shape including the spacer. The case coupling device of the mobile communication terminal of claim 2, wherein each of the plurality of elastic pieces is inclined at a portion corresponding to the spaced portion.

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