KR100760004B1 - The cover for a portable telephone - Google Patents

Abstract

A cover of a mobile phone is provided to improve productivity by reducing the number of processes required for manufacturing the cover and to improve price competitiveness by reducing manufacturing costs. A cover of a mobile phone includes a film(220), a printing layer(240), a housing(260), and a pin receiving hole(224). The film(220) forms the exterior appearance, and has a button unit which comes selectively in contacted with a dome switch protruded upward and placed at the lower side to generate elasticity. The printing layer(240) is attached on one surface of the film(220), and shows numbers and characters outside the film(220). The housing(260) is integratedly formed at one surface of the printing layer(240), and supports the film(220) to maintain shape of the film(220). The pin receiving hole(224) is installed at one side of the cover, is perforated at the position corresponding to the film(220), the printing layer(240), and the housing(260), and guides user's voice so as to be transmitted to a microphone.

Description

Cover of the phone {The Cover for A Portable telephone}

1 is a front view showing the appearance configuration of a typical mobile phone.

Figure 2 is a perspective view showing the appearance of a mobile phone employing a preferred embodiment of the present invention.

Figure 3 is a longitudinal sectional view showing the configuration of a mobile phone cover according to the present invention.

Figure 4 is a manufacturing process showing the manufacturing method of the mobile phone cover according to the present invention.

5 is a manufacturing process diagram showing the film forming step which is one step in the manufacturing method of the mobile phone cover according to the present invention in detail.

Figure 6 is a longitudinal cross-sectional view showing a film film printing step is completed in the manufacturing method of the mobile phone cover according to the present invention.

Figure 7 is a longitudinal cross-sectional view of the film film forming step is completed in the method of manufacturing a mobile phone cover according to the present invention.

Figure 8 is a longitudinal cross-sectional view showing a state of the housing injection step is completed in the manufacturing method of the mobile phone cover according to the present invention.

Figure 9 is a longitudinal cross-sectional view showing a state that the dome switch is coupled to the lower side of the mobile phone cover according to the present invention.

Explanation of symbols on the main parts of the drawings

100. Cell phone 110. Case

120. Flip 130. Display

140. Antenna 150. Battery

160. Dome Switch 200. Cover

220. Film 222. Button part

224. Pin receiving hole 240. Printed layer

242. Display identification unit 260. Housing

262. Button accommodation hole 264. Display accommodation hole

S100. Film printing step S200. Film forming step

S220. Button forming process S240. Space formation process

S260. Hole formation process S300. Film Placement Step

S400. Housing injection step S500. Exterior cutting step

The present invention relates to a mobile phone, and more particularly, to a cover of a mobile phone to simplify the manufacturing process and to reduce the manufacturing cost by forming a button portion and a display identification portion in the film not perforated and integrally injection molding the housing on the back of the film. will be.

A mobile phone is a wireless communication device that allows a user to talk with a general subscriber or another mobile phone through a base station while arbitrarily moving in a mobile communication service area, and is widely used due to its small size and easy portability.

In the early stages of development, mobile phones had the disadvantage of being affected by the topography of buildings and mountainous areas.However, since 2000, the manufacturing technology has developed so rapidly that these shortcomings have been almost overcome. It is a situation where anger is being made.

An example of the addition of a function is a camera-equipped mobile phone with a built-in camera for easy picture taking. Depending on the shape, a bar-type with a button is exposed and a flip-type with a button cover. -Type), and the smaller and more portable type (Fold-Type) has been released.

Hereinafter, a configuration of a flip-type mobile phone (hereinafter referred to as a mobile phone) among the various types of mobile phones described above will be described.

Figure 1 is a front view showing the appearance configuration of a typical mobile phone.

As shown in the figure, the mobile phone 1 has a cover 10 which forms part of the front exterior, a case 20 which is joined to the rear side of the cover 10 to form a rear exterior, and the cover 10. The overall appearance is formed by a flip 30 that selectively shields the front bottom of the.

Although not shown, the cover 10 and the case 20 form a space therein, such that a plurality of components, for example, a dome switch and a printed circuit board, are built in the upper and lower surfaces of the cover 10. The button exposure hole 23 and the display exposure hole 25 are provided to allow the display 22 and the plurality of buttons 24 to be exposed to the outside.

Accordingly, when the display 22 and the button 24 are inserted forward from the rear of the cover 10, the display 22 and the button 24 are exposed to the front of the cover 10 through the display exposure hole 25 and the button exposure hole 23, The user can operate the button 24 and check the display.

In addition, a plurality of holes 26 perforated to communicate with the front surface of the speaker (not shown) and the microphone (not shown) are formed in the upper and lower portions of the front center of the cover 10.

The upper right portion of the mobile phone 1 is provided with an antenna 32 that selectively slides in and out, and the antenna 32 is coupled to the antenna holder 34 protruding upward from the upper right side of the case 20. Is regulated by).

In addition, a battery 36 for supplying power to the mobile phone 1 is generally mounted below the rear of the case 20.

However, the conventional mobile phone having the above configuration has the following problems.

That is, the display 10 and the button exposure hole 23 for exposing the display 22 and the button 24 are formed in the cover 10, and the display exposure hole 25 and the display 22 are perforated. And, a gap is generated between the button exposure hole 23 and the button 24.

Therefore, foreign matter is introduced into the mobile phone 1 to cause a failure of a printed circuit board, etc. If such foreign matter is introduced and loaded for a long time, there is an unsanitary problem due to bacterial propagation.

In addition, in order to form the cover 10, it has to go through many processes. That is, after the injection molding of the cover 10, a painting process of coating various colors on the outer surface, a drilling process for drilling the button exposure hole 23 and the display exposure hole 25, and a button punched by the drilling process The finishing process of smoothly finishing the exposed hole 23 and the display exposure hole 25 should be performed.

Therefore, since the manufacturing cost of the cover 20 rises, the price of the mobile phone 1 also increases.

In addition, many defects occur during the various processes described above, which is undesirable.

Accordingly, an object of the present invention for solving the above problems is to provide a cover of a mobile phone to form a button portion and a liquid crystal portion not perforated in the film and integrally injection molding the housing on the back of the film to significantly reduce the number of manufacturing steps. Is in.

Another object of the present invention is to provide a cover of a mobile phone to block the introduction of foreign matter into the mobile phone.

According to the present invention for achieving the above object, in the cover of the mobile phone which forms a part of the exterior of the mobile phone and the bottom surface is recessed upwards and a plurality of parts are mounted, the cover is formed of a transparent material to form the exterior A film to be made; A printing layer attached to one surface of the film including numbers and letters and allowing the numbers and letters to be projected out of the film; And a housing which is integrally formed by injection molding on one surface of the printing layer and supports the shape of the film to be maintained.

One side of the film, protruding in the upward direction, characterized in that the button portion for generating an elastic restoring force by selectively contacting the dome switch located on the lower side.

The button portion is provided in the same quantity as the dome switch, characterized in that formed in a position corresponding to the dome switch.

The button unit is characterized in that it is formed integrally with the film.

One side of the printing layer, characterized in that the display identification unit for further distinguishing the display on the outside of the film, the display is displayed, such as numbers and letters.

The display identification unit is characterized in that it is formed transparent.

The display identification unit is formed in a size corresponding to the display.

One side of the housing, characterized in that the button receiving hole and the display receiving hole is provided so that the dome switch and the display is inserted, respectively.

The button accommodation hole and the display accommodation hole may be formed to correspond to the size of the dome switch and the display.

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According to the present invention having such a configuration, since the coating layer can perform a mirror role, the appearance is beautiful and there is an advantage that the ease of use is increased.

Hereinafter, an embodiment of a mobile phone according to the present invention will be described in detail with reference to the accompanying drawings.

2 is a perspective view showing the external configuration of a mobile phone employing a preferred embodiment of the present invention.

As shown in the figure, the mobile phone 100 according to the present invention is a flip-type mobile phone (hereinafter referred to as a "mobile phone") was applied to the embodiment, the cover 200 to form a front appearance of the mobile phone 100 Except the rest of the configuration is similar to the prior art will be briefly described.

That is, the mobile phone 100 has a bottom surface is recessed in an upward direction and a majority of the exterior is formed by a cover 200 in which a plurality of parts are mounted on the lower side, and a case 110 in which the upper surface is recessed in a downward direction. A portion of the cover 200 is shielded by the flip 120 that rotates with respect to the upper side of the side (100).

In addition, the front upper portion of the cover 200 is transparently formed, and a display 130 for displaying numbers and letters input by a user is exposed to the outside, and a plurality of button portions ( 222 protrudes round.

In addition, a pin receiving hole 224 perforated to the inside of the mobile phone 100 is formed on the lower left front side of the cover 200, and the pin receiving hole 224 will be described in detail below.

An antenna 140 is selectively provided at an upper right side of the case 110, and a battery 150 for supplying power to the mobile phone 100 is inserted into and fixed to a lower surface of the case 110.

Hereinafter, the configuration of a mobile phone cover according to the present invention will be described with reference to the accompanying drawings.

A configuration of the cover 200 will be described with reference to FIG. 3. 3 is a longitudinal sectional view showing the configuration of a mobile phone cover according to the present invention.

As shown in the figure, the cover 200 is a film 220 positioned on the upper side, a printed layer 240 attached to the lower surface of the film 220 including numbers and letters, and the printed layer ( It is configured to include a housing 260 that is injection molded on the lower surface of the 240 to support the shape of the film 220 is maintained.

The film 220 forms a part of the front surface of the mobile phone 100, and the film 220 is formed of a transparent plastic material so that numbers and letters provided on the print layer 240 can be identified (viewed) from the outside of the film 220. do.

In addition, the left portion of the film 220 is provided with a plurality of button portions 222 protruding round in the upward direction. The button unit 222 is selectively pressed by the user to be in contact with the dome switch (reference numeral 160 of FIG. 9) is formed integrally with the film 220.

In addition, the button unit 222 is preferably formed to have an elastic restoring force, since the button unit 222 needs to be restored to its original state (as shown in FIG. 3) when the user presses the dome switch 160.

In addition, the button unit 222 is provided in a number corresponding to the dome switch 160, it is obvious that it should be formed in a position corresponding to the dome switch 160.

The left / right side of the film 220 is formed with a pin receiving hole 224 perforated downward. The pin receiving hole 224 is formed in the film forming step (S200), which will be described below. The film 220 is formed inside a mold (not shown) to form the housing 260 under the film 220. When seated on, the film 220 is placed in a predetermined position inside the mold.

That is, the inside of the mold is provided with a positioning pin (not shown) protruding in the size and quantity corresponding to the pin receiving hole 224, the positioning pin is inserted into the pin receiving hole 224, the film ( 220 may be constrained without flowing in any direction except in the opposite direction of insertion.

In addition, the pin accommodation hole 224 is selectively left among the plurality of pin accommodation holes 224 formed during the cover manufacturing process, and is formed through the cover 200 and has a microphone (not shown) below the cover 200. ) Will be located.

Therefore, when the user speaks during a call, the user's nurturing becomes possible to deliver to the microphone through the pin receiving hole (reference numeral 224 of FIG. 3).

The above-described print layer 240 is formed on the bottom surface of the film 220. The print layer 240 is a part of which the user is identified when looking down the transparent film 220 from the upper side is attached to the film 220 to prevent separation.

In addition, the film 220 includes a number (not shown) and a letter (not shown) that a user wants to input, and a pattern (not shown) having various colors may be further designed to enhance the appearance. Of course.

In addition, a display identification part 242 is formed on the right side of the printed layer 240, more specifically, on the portion where the display 130 is to be placed. The display identification unit 242 is formed in a transparent state without any letters, numbers and patterns, numbers and letters displayed from the display 130 by the user's operation is outside the film 220 (upper side in Figure 3) This is to make it visible when looking down at.

Therefore, the display identification unit 242 has a size (area) corresponding to the size of the display 130, it is preferably formed in a corresponding position.

The housing 260 is formed below the printed layer 240. The housing 260 serves to support the film 220 to maintain the shape as shown in FIG. 3, and is injection molded from a plastic material having a higher strength than the film 220.

The housing 260 is bonded to the print layer 240 during injection molding without using a separate adhesive member, and the housing 260 has a button receiving hole 262 and a display receiving hole which are perforated in an up / down direction. Holes 264 are formed.

That is, the button receiving hole 262 is formed in the bottom of the button unit 222 in the size and quantity corresponding to the button unit 222, the display receiving hole 264 is the lower side of the display identification unit 242 Perforations are formed in the size corresponding to the display identification unit 242.

Therefore, when the dome switch 160 is inserted into the button receiving hole 262, the upper surface of the dome switch 160 is selectively contacted when the button portion 222 is selectively pressed by the user. When the display 130 is inserted into the display accommodation hole 264, the display 130 may be identified by the naked eye of the cover 200.

Hereinafter, a method of manufacturing a mobile phone cover having the configuration as described above will be described with reference to FIGS. 4 to 9.

4 is a manufacturing process diagram showing a method of manufacturing a mobile phone cover according to the present invention, Figure 5 is a manufacturing process diagram showing a film forming step which is a step in the manufacturing method of the mobile phone cover according to the present invention in detail, 6 to 9 are longitudinal cross-sectional views showing the state of the cover when each step included in the manufacturing method of the mobile phone cover according to the present invention is completed.

First, in order to manufacture the cover 200 is a film printing step (S100) is formed to form a print layer 240 including the numbers and letters on the lower surface of the film 220 made of a transparent material (see Fig. 6).

In the film printing step (S100), the print layer 240 has a number and a letter formed at the site where the dome switch 160 is mounted as described above, and is transparently processed at the site where the display 130 is mounted. The display identification unit 242 is formed.

After the film printing step (S100) to proceed to the film forming step (S200). The film forming step (S200) is a process of forming the button portion 222 and the pin receiving hole 224 as shown in Figure 7 by pressing the printed layer 240 and the film 220 printed on the lower surface of the film 220 at the same time As a result, the process of recessing the film 220 as a whole upward is also performed at the same time.

That is, the film forming step (S200) is a button portion forming process (S220) for forming a button portion 222 to selectively contact with the dome switch 160, as shown in Figure 5 and the film 220 It includes a space forming process (S240) to form a space by recessing the overall upward direction, and a hole forming process (S260) for puncturing the pin receiving hole (224).

When the film forming step S200 is completed, the film 220 has a predetermined shape as shown in FIG. 7, but has a low strength. Therefore, after the film 220 is mounted in the injection mold to perform the film seating step S300, the housing injection step S400 of injection molding the housing 260 on the lower surface of the printing layer 240 is performed ( See FIG. 8).

In the film seating step (S300), the positioning pin is inserted into the pin receiving hole 224 so that the film 220 is regulated in the injection mold. When the housing injection step S400 is completed, a button accommodation hole 262 is formed below the button unit 222, and a display accommodation hole 264 is formed below the display identification unit 242.

After the housing injection step (S400) it is carried out an appearance cutting step (S500) to cut and remove the unnecessary portion (see Fig. 9). More specifically, as shown in FIG. 8, the pin receiving hole 224 formed on the right side is removed as an unnecessary portion, and the pin receiving hole 224 formed on the left side is left without being removed.

Therefore, the pin receiving hole 224 left without being removed in the exterior cutting step S500 may be positioned above the microphone to guide the user's nurturing into the microphone.

After each of the above steps, the manufacturing of the cover 200 is completed. As shown in FIG. 9, the dome switch 160 is inserted into the button accommodation hole 262, and the display 130 is displayed in the display accommodation hole 264. ), The pressing action of the dome switch 160 and the identification of the display 130 are enabled.

The scope of the present invention is not limited to the above-exemplified embodiments, and many other modifications based on the present invention may be made by those skilled in the art within the above technical scope.

For example, in the present invention, the display identification unit 242, which is formed to be transparent to expose the display, is configured to be flat, but, if necessary, may be configured to protrude upward as the button unit.

In addition, in the present invention, the pin receiving hole 224 shown in the right side of Figure 8 is configured to be removed, but if necessary, it may be configured to communicate with the speaker to leave without removing in the cutting step (S500). .

As described in detail above, the cover of the mobile phone according to the present invention is configured such that the button portion and the display identification portion are not perforated, and the housing is integrally formed by injection molding on the back of the film.

Therefore, the number of processes for manufacturing the cover is significantly reduced, so there is an advantage in that productivity is improved.

In addition, since the manufacturing cost is reduced due to the improvement in productivity, the price competitiveness of the mobile phone itself is improved.

In addition, foreign matters are blocked inside the mobile phone, so it is hygienic and customer satisfaction is also expected to improve.

Claims (17)

In the cover of the mobile phone to form a part of the exterior of the mobile phone and the bottom surface is recessed upwards and a plurality of parts are mounted The cover is formed of a transparent material to form an appearance, the film is provided with a button portion protruding upwards and selectively contacting the dome switch located in the lower side to generate an elastic restoring force; A printing layer attached to one surface of the film including numbers and letters and allowing the numbers and letters to be projected out of the film; And a housing which is integrally formed by injection molding on one surface of the printing layer and supports the shape of the film to be maintained. On one side of the cover, The cover of the mobile phone, characterized in that the pin receiving hole which is drilled in the corresponding position of the film, the print layer and the housing to guide the user's upbringing micro. The method of claim 1, wherein the pin receiving hole, A plurality of covers provided in the film, the cover of the mobile phone, characterized in that the housing is selectively removed after injection molding. The cover of claim 2, wherein the button unit is provided in the same quantity as the dome switch and is formed at a position corresponding to the dome switch. The cover of claim 2, wherein the button unit is integrally formed with a film. The method of claim 4, wherein one side of the printed layer, The cover of the mobile phone, characterized in that further provided with a display identification unit for identifying the display in which the numbers and letters are displayed outside the film. The cover of claim 5, wherein the display identification unit is formed to be transparent. The cover of claim 6, wherein the display identification unit is formed in a size corresponding to the display. The method of claim 7, wherein one side of the housing, The cover of the mobile phone, characterized in that the button receiving hole and the display receiving hole is provided so that the dome switch and the display is inserted. The method of claim 8, wherein the button receiving hole and the display receiving hole, The cover of the mobile phone, characterized in that formed to correspond to the size of the dome switch and the display. delete delete delete delete delete delete delete delete

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