WO2013129816A1

WO2013129816A1 - Portable terminal case

Info

Publication number: WO2013129816A1
Application number: PCT/KR2013/001509
Authority: WO
Inventors: 최상효
Original assignee: Choi Sang Hyo
Priority date: 2012-02-27
Filing date: 2013-02-26
Publication date: 2013-09-06
Also published as: KR20130097954A

Abstract

The portable terminal case according to the present invention includes: a case main body (110) in which a terminal-seating groove portion (111), the upper section of which is open, is formed such that a portable terminal (10) can be inserted therein and coupled thereto; and a terminal case connector (120) disposed inside the terminal-seating groove portion (111) so as to be linked and electrically connected to the terminal connector (11) of the portable terminal (10). On the case main body (110), a commercial power plug (210) and/or a USB plug (220) can be mounted, wherein the plugs are mounted so as to be capable of selectively protruding outward or disposed inside the case main body (110) in order to be electrically linked to the terminal case connector (120).

Description

Case for mobile terminal

The present invention relates to a case for a mobile terminal, and more particularly, to be coupled to the outside of the mobile terminal to protect the mobile terminal and to provide additional commercial power battery power using a built-in commercial power plug and a USB plug. It relates to a mobile terminal case.

In general, when charging a mobile terminal such as a smart phone and a general cell phone or input / output data, a separate charger (TC) or a USB cable that can be inserted into the connector of the portable terminal is used.

However, in the related art, the charger and the USB cable are used in a home or an office that charges a mobile terminal or frequently inputs or outputs data. However, the mobile terminal may be used for charging and data input / output of a mobile terminal during an external activity such as travel or business trip. There was an inconvenience to always carry the charger and USB cable.

In addition, in the case of a recently launched smart phone, the connector of the mobile terminal is manufactured in various sizes and shapes for each manufacturer or product, so there is a problem in that the charger or the USB cable of the other model cannot be used universally.

On the other hand, these portable terminals have increased power consumption in comparison with the existing portable terminals as the LCD screen is enlarged and the processor is improved in accordance with the user's needs for a better display and faster processing speed.

Accordingly, each mobile terminal manufacturer is developing a battery that can charge more power, but there was a limit to increase the charging efficiency, so that users who frequently use the mobile terminal frequently charges while using the mobile terminal. It was inconvenient to connect the device to charge the built-in battery or replace it with a spare battery.

In order to prevent such a problem, a cover type charging case in which a secondary battery is embedded in a case covering a mobile terminal has been developed. Could increase.

However, in the case of the cover type charging case as described above, since the auxiliary battery is embedded in the case to be fitted around the portable terminal, it cannot be mounted on another portable terminal having a different appearance such as size and thickness from the portable terminal. It is available only for mobile terminals and has been restricted to use universally.

In addition, in the case of a battery mounted in a mobile terminal, not only the specifications of the battery, the position of the terminal, the polarity order, etc. differ from each manufacturer, but also the same manufacturers release batteries having various sizes and thicknesses according to the size of each mobile terminal. It is becoming. Therefore, when replacing an existing portable terminal with a new portable terminal, it is very rare that the batteries installed in the existing portable terminal can be used for the new portable terminal.

The present invention was created in order to solve the above problems, an object of the present invention is a commercial power plug that can be directly connected to a commercial power outlet and a USB plug that can be directly connected to a USB port, such as a PC is integrally mounted, spare The purpose of the present invention is to provide a case for a portable terminal equipped with a dedicated battery or other type of battery therein so as to supply additional battery power to the portable terminal.

According to a feature of the present invention, the mobile terminal 10 is inserted into the case main body 110 is formed therein the terminal seating groove 111 is opened so that it can be fitted; And a terminal case connector 120 disposed inside the terminal seating recess 111 and electrically connected to the terminal connector 11 of the portable terminal 10. The case body 110 includes: One or more plugs of the commercial power plug 210 and the USB plug 220 which are disposed inside the case body 110 to be electrically connected to the terminal case connector 120 and are selectively mounted to the outside are mounted. Can be.

Here, the commercial power plug 210 and the USB plug 220, the case body 110 while rotating about the rotation shaft (212, 222) formed at each end of the commercial power plug 210 and the USB plug 220. Insertion or separation in the plug insertion groove 211 and the USB insertion groove 221 formed on the outer surface of the, respectively, protruding pieces (214, 224) formed on each side of the commercial power plug 210 and the USB plug 220, respectively A slide cable moves along the

guide grooves

213 and 223 formed inside the plug insertion groove 211 and the USB insertion groove 221 of the case body 110, or a plug cable connected to an end of the case body 110. The plug cable 215 and the USB cable 225 connected to the plug insertion groove 211 and the USB insertion groove 221 which are respectively connected to the 215 and the USB cable 225 and formed on the outer surface of the case body 110. Together with one or more of the In the interior of the device body 110 may be mounted external to the disappearance.

On the other hand, at least one battery seating groove 130 is formed on the bottom surface 112 of the terminal seating groove 111, the upper portion is opened so that the dedicated battery 20a or other type battery 20b is inserted and fitted. ); And the dedicated battery 20a or other type battery 20b disposed in the battery seating groove 130 and electrically connected to the terminal case connector 120 and inserted into the battery seating groove 130. A terminal case output terminal 140 in contact with the

battery input terminals

21a and 21b may be further included.

According to the present invention, first, since a commercial power plug that can be directly connected to a commercial power outlet and a USB plug that can be directly connected to a USB port, such as a PC, are integrally mounted on a case for a portable terminal, charging a mobile terminal or performing data input / output User's convenience is maximized because there is no need to carry charger and USB cable all the time.

Second, since the USB plug is provided as a universal communication standard, there is an advantage that the portable terminal can be charged or data input / output irrespective of the manufacturer and product of the portable terminal.

Third, additional battery power can be supplied to the portable terminal by attaching a dedicated battery or other type batteries through the battery seating groove formed in the inside of the portable terminal case, thereby drastically increasing the driving time of the portable terminal.

Fourth, the other type battery of the portable terminal that is not used in the past is often discarded, but can save resources because the other type battery can be reused through the battery seating groove, the conventional cover type charging case Compared with the manufacturing process, a separate rechargeable battery is not installed, thus reducing production costs.

Fifth, the external surface of the case for a mobile terminal is provided with a charging power input connector for charging a dedicated battery or other type of battery mounted in the battery seating recess or a mobile terminal fitted to the terminal seating recess, User convenience is maximized because each battery can be recharged at the same time without needing to separately charge the extra dedicated battery and other types of batteries used as auxiliary batteries.

Sixth, in the case of other types of batteries smaller than the size of the battery seating groove formed in the terminal case can be fitted into the battery seating groove mounted in the correction case, various other battery types regardless of the specification of the dedicated battery Can be used.

1 is a perspective view showing a configuration of a mobile terminal case and a mobile terminal is fitted to the case for the mobile terminal according to an embodiment of the present invention,

Figure 2 is a perspective view showing the configuration of the correction case mounted to the battery seating groove portion of the mobile terminal case according to an embodiment of the present invention,

3 is a perspective view illustrating a configuration in which a commercial power plug and a USB plug according to a preferred embodiment of the present invention are rotatably mounted on a rotational shaft and are mounted to the outside;

4 is a perspective view showing a configuration in which the commercial power plug and the USB plug according to the preferred embodiment of the present invention are slidably moved and mounted to the outside;

5 is a perspective view showing a configuration in which a commercial power plug and a USB plug according to a preferred embodiment of the present invention are mounted to and detached from the plug insertion groove and the USB insertion groove together with the plug cable and the USB cable so as to be detached from the outside;

Figure 6 is a perspective view showing the configuration of a removable case according to a preferred embodiment of the present invention.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Throughout the specification, when a part is 'connected' to another part, it includes not only 'directly connected' but also 'electrically connected' between different components in between. . In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

Before describing an embodiment of the present invention, several terms to be described below are defined. The term 'mobile terminal 10' referred to below is a terminal device equipped with a rechargeable battery that provides battery power so that a user can move and carry it, and includes a smartphone, a cellular phone, a personal communication system (PCS), and a PDA (Personal). It should be understood as a broad concept including not only mobile communication terminals such as Digital Assistant, Handheld PC, but also portable PCs such as laptops, netbooks and tablet PCs, and portable terminal devices such as MP3 players and MP4 players. will be.

In addition, when the 'dedicated battery 20a' means a battery whose size is shaped so that it can be mounted on any portable terminal, the 'other type battery 20b' is different from the type of the dedicated battery 20a. Means a battery having a size.

The mobile terminal case 100 according to the preferred embodiment of the present invention is fitted to the outside of the mobile terminal 10, the mobile terminal case provided to protect the mobile terminal 10 and supply additional battery power ( 1 to 6, the case body 110, the terminal case connector 120, the commercial power plug 210, the USB plug 220, the battery seating groove 130 and the terminal case It is provided including an output terminal 140.

First, the case body 110 is a base for forming the outer shape of the case 100 for a mobile terminal according to a preferred embodiment of the present invention, as shown in Figures 1 and 2, the mobile terminal 10 When inserted, the terminal seating recess 111 having an upper opening is formed therein to be fitted.

Here, a side wall supporting the side of the mobile terminal 10 extends upwardly around the terminal mounting groove 111 so that the mobile terminal 10 inserted into the terminal seating groove 111 can be fixed. The bottom surface 112 of the terminal seating recess 111 is formed in a shape corresponding to the rear surface of the mobile terminal 10 to be in close contact with the rear surface of the mobile terminal 10.

The terminal case connector 120 is electrically connected to a PCB (not shown) that is configured to charge a dedicated battery 20a built in the portable terminal 10 or directly supply driving power to the portable terminal 10. And a component that is fitted with the terminal case connector 120 formed on the outer surface of the mobile terminal 10, and disposed inside the terminal seating groove 111 formed in the case body 110, the mobile terminal ( The terminal connector 11 of 10) is fastened and electrically connected.

Here, the terminal connector 11 of the portable terminal 10 is preferably formed in a shape corresponding to the charging power output connector 31 of the charging cable 30 for supplying the charging power.

The commercial power plug 210 is connected to the portable terminal case 100 according to the preferred embodiment of the present invention directly to a general commercial power outlet dedicated to the portable terminal case 100 or the portable terminal 10 mounted thereon. A component for applying a charging power to charge the battery 20a and the other type battery 20b, which is disposed inside the case body 110 to be electrically connected to the terminal case connector 120, and optionally It is mounted so that it can hang out.

In addition, the USB plug 220 is connected to the portable terminal case 100 according to a preferred embodiment of the present invention by directly connecting to the USB port of the charging and data input and output devices such as a PC case 100 or portable Applying charging power to charge the dedicated battery 20a and the other type battery 20b mounted on the terminal 10 or stored in the data storage space in the mobile terminal 10 mounted in the case 100 for the mobile terminal. A component that provides an interface for inputting / outputting data by connecting data to data input / output means such as a PC, and disposed inside the case body 110 to be electrically connected to the terminal case connector 120. It is mounted so that it can be sunk outside.

The USB plug 220 is provided with a universal communication standard, such as a USB connector fastened to a general USB port, so that the portable terminal 10 can be charged or input / output data regardless of the manufacturer and product of the mobile terminal 10. It is desirable to be provided so that.

At this time, the commercial power plug 210 and the USB plug 220 is mounted to be mounted to the outside of the case body 110, can be implemented through a variety of fastening structure, first, in Figures 1 to 3 As shown, the plug insertion groove 211 formed on the outer surface of the case body 110 while rotating around the rotation shaft (212,222) formed at each end of the commercial power plug 210 and the USB plug 220 and Each of the USB insertion grooves 221 may be inserted into or separated from the case body 110 to be mounted on the outside of the case body 110.

Here, the plug insertion groove 211 and the USB insertion groove 221 are grooves formed on the edge of the case body 110 in a form corresponding to the commercial power plug 210 and the USB plug 220, respectively, Rotating shaft grooves (not shown) are formed at end portions of the plug insertion grooves 211 and the USB insertion grooves 221 so that the

rotation shafts

212 and 222 can be rotatably mounted, and each rotation shaft is formed in the rotation shaft grooves. The other end of the commercial power plug 210 and the USB plug 220 is rotated as shown in the direction of the arrow shown in Figure 3 in the state (212, 222) is inserted into the plug insertion groove 211 and the USB insertion groove 221 It can be embedded in or projected out of the.

In addition, as shown in FIG. 4, the protruding

pieces

214 and 224 formed on both sides of the commercial power plug 210 and the USB plug 220 are the plug insertion groove 211 and the USB insertion groove of the case body 110. Slide along the guide grooves (213, 223) formed on the inner side of the 221 can be mounted to be mounted to the outside of the case body (110).

Here, at the ends of the plug insertion groove 211 and the USB insertion groove 221, the commercial power plug 210 and the USB plug 220 protrudes to the outside of the case body 110, or a commercial power outlet or PC. In the process of being inserted into the USB port of the charging and data input / output device, such as a pressing member is formed so as not to be undesirably inserted into each insertion groove (211, 221), so that it is smoothly inserted into the commercial power outlet or the USB port. It is preferable to be provided to be possible.

In addition, a cover (not shown in the drawing) is provided on the upper portion of the plug insertion groove 211 and the USB insertion groove 221 to cover the commercial power plug 210 and the USB plug 220 that are inserted into the outside. In this case, however, a predetermined protrusion (not shown) is formed on the commercial power plug 210 and the USB plug 220, and the commercial power plug 210 and the USB plug 220 are formed on the cover. It is provided with a guide hole that extends in the direction in which it is protruded to expose the projection to the outside, so that the user can press the projection to make the commercial power plug 210 and the USB plug 220 more easily. desirable.

5, the commercial power plug 210 and the USB plug 220 are connected to the plug cable 215 and the USB cable 225 connected to the edge end of the case body 110, respectively. The case body 110 is inserted into or separated from the plug insertion groove 211 and the USB insertion groove 221 formed on the outer surface of the case body 110 together with the plug cable 215 and the USB cable 225. It may be mounted so as to be sunk from the inside to the outside.

The plug insertion groove 211 and the USB insertion groove 221 correspond to the plug cable 215 and the USB cable 225 so that the plug cable 215 and the USB cable 225 can be inserted together. It is preferable that the

cable insertion grooves

211a and 221a formed in the shape are formed.

Meanwhile, the commercial power plug 210 and the USB plug 220 may be formed inside the case 100 for the portable terminal, but as shown in FIG. 6, separate from the case 100 for the portable terminal. Rechargeable power input connector 150 or the portable terminal of the portable terminal case 100, the connection connector 231 formed on one side of the removable case 230, respectively formed in the separate case 230 having an independent module form The same effect may be realized by fastening to the terminal case connector 11 of (10).

Here, the connection connector 231 not only mechanically connects the case 100 and the detachable case 230 for the portable terminal, but also serves to electrically connect the two components.

In addition, FIG. 6 discloses only a configuration in which the commercial power plug 210 and the USB plug 220 are rotated about the

rotation shafts

212 and 222 in the detachable case 230 and deviate to the outside of the case body 110. The present invention is not limited thereto, and is inserted or detached from each of the

insertion grooves

211 and 221 in a state in which the slide is moved by the

protrusion pieces

214 and 224 and the

guide grooves

213 and 223 or connected to the plug cable 215 and the USB cable 225. It can be provided to be able to wander in the way.

The battery seating groove 130 is a groove formed to allow a dedicated battery 20a or other type battery 20b to be seated in the case 100 for the portable terminal. The battery seating recess 130 may be formed on the bottom surface of the terminal seating recess 111. It is formed, and the upper portion is opened so that the dedicated battery 20a or other type battery 20b is inserted and fitted.

Here, the drawing illustrates that one battery seating groove 130 is formed, but is not limited thereto, and a plurality of battery seating recesses 130 may be provided within an allowable area of the bottom surface 112 of the terminal seating recess 111. ), And in this case, each battery seating groove 130 may be provided with a specification of any other type battery 20b so that the dedicated battery 20a and other type battery 20b of different specifications may be mounted, respectively. It is preferably formed to correspond.

That is, when the two battery seating recesses 130 are formed in the terminal seating recess 111, one battery seating recess 130 corresponds to the specifications of the dedicated battery 20a or any other type battery 20b. When the other battery seating groove 130 is formed to correspond to the specifications of another arbitrary other battery (20b) can be used as a spare battery at the same time the extra dedicated battery (20a) and other types of battery (20b). In this case, since the battery power can be supplied through the three batteries, including the dedicated battery 20a embedded in the portable terminal 10, the driving time of the portable terminal 10 can be greatly increased. Hereinafter, one battery seating groove 130 is formed in the terminal seating recess 111 and formed in a form corresponding to any other type battery 20b having a smaller size than the dedicated battery 20a. Shall be.

The terminal case output terminal 140 is disposed inside the battery seating recess 130, and is electrically connected to the terminal case connector 120 to be inserted into the battery seating recess 130. The battery power is applied to the portable terminal 10 while being in contact with the

battery input terminals

21a and 21b of the other type battery 20b.

The charging power input connector 150 is coupled to the charging power output connector 31 of the charging cable 30 to allow the charging power supplied from the charging cable 30 to be delivered to the terminal case 100. As, the terminal case output terminal 140 or the terminal case connector 120 is disposed on the outer surface of the case body 110 to be electrically connected, the charging power output connector of the charging cable 30 for supplying the charging power One of the dedicated battery 20a and the other type battery 20b fastened to 31 and coupled to the portable terminal 10 or the battery seating groove 130 in which the charged power is inserted into the terminal seating recess 111. It performs the function to apply to the above.

Here, the case main body 110 is electrically connected to the charging power input connector 150 and the terminal case output terminal 140, and the charging power input connector 150 and the terminal case connector 120 mutually A signal connection line (not shown) for electrically connecting is disposed, and charging power of the charging cable 30 supplied to the charging power input connector 150 through the signal connection line is a portable terminal 10 and a dedicated battery 20a. Alternatively, other types of batteries 20b may be applied and charged to the charging power input connector 150 without having to separately charge the auxiliary batteries used as portable terminals and auxiliary batteries as in the conventional cover type charging case. Just by connecting the cable 30, it is possible to realize the effect of simultaneously charging the mobile terminal 10, the dedicated battery 20a and the other type battery 20b.

On the other hand, as described above, the battery seating groove 130 formed on the bottom surface 112 of the terminal seating groove 111 is formed in a form corresponding to the other type battery 20b having an arbitrary specification is a dedicated battery 20a Other types of battery 20b different from the standard can be used, but since the shape of the battery seating groove 130 is fixed, only the other type battery 20b having a predetermined standard can be used, and the dedicated battery ( 20a) and other heterogeneous batteries 20b different from those of the other heterogeneous batteries 20b, respectively, may cause a problem in that use is limited.

In order to solve this problem, the terminal case 100 according to a preferred embodiment of the present invention, the other type of battery 20b smaller than the size of the battery seating groove 130 formed in the case body 110 is mounted therein It is fitted to the battery seating groove 130 in a state is provided with a correction case 160 for supplying battery power to the mobile terminal (10).

As shown in FIG. 2, the correction case 160 includes a main body 161, a correction case output terminal 162, and a correction case input terminal 163.

In more detail, the main body 161 is a base for forming an outer shape of the correction case 160 and is formed to have a size corresponding to the size of the battery seating groove 130 so that the battery seating groove 130 is formed. The other type of battery seating groove 164 is inserted into the other, the other type battery 20b having a size smaller than the size of the battery seating groove 130 is inserted and inserted so that the top is open. Is formed.

The correction case output terminal 162 is disposed inside the other type battery seating groove 164 and is in contact with the battery input terminal 21b of the other type battery seating groove 164 inserted into the other type battery seating groove 164. Electrically connected.

The correction case input terminal 163 is disposed on an outer surface of the main body 161 to be electrically connected to the correction case output terminal 162, and the main body 161 is inserted into the battery seating groove 130. It is in contact with the terminal case output terminal 140 and electrically connected to apply the battery power of the other type battery (20b) to the mobile terminal (10).

As such, the second case battery 20b having a smaller size than that of the other battery 20b mounted on the battery seating groove 130 through the configuration of the correction case 160 may be connected to the mobile terminal 10. It is possible to supply the battery power, a plurality of different type battery 20b divided by the standard is a number of correction case 160 formed with a different type battery seating groove 164 into which the other type battery 20b can be inserted When the dog is prepared, all of the other type batteries 20b having various specifications regardless of the size of the other type battery 20b can be inserted and inserted into the fixed battery seating groove portion 130 is fixed. It becomes available.

At this time, the other type battery 20b to be mounted on the battery seating groove 130 of the terminal case 100 or other battery seating groove 164 of the correction case 160 and the dedicated battery mounted to the portable terminal 10. When the frequency, output voltage, current, etc. of the battery power output from the 20a are different, when the battery power of the different type battery 20b is applied to the portable terminal 10 as it is, the circuit configuration of the portable terminal 10 or other The model battery 20b may be damaged.

To this end, as shown in FIG. 2, the inside of the terminal case 100 converts the type of battery power of the other type battery 20b input according to the type of driving power required by the mobile terminal 10. The control circuit unit 180 including a conversion circuit is provided, and the battery power of the other type battery 20b is input in accordance with the type of driving power required by the portable terminal 10 inside the correction case 160. The conversion circuit 165 for converting the shape of the may be provided. When the control circuit unit 180 is provided in the short case body 110, the conversion circuit 165 of the correction case 160 may be unnecessary. Here, the technical configuration for converting the input power source into the type of power source (frequency, output voltage and current) required by a specific device is well known in the art, and detailed description thereof will be omitted.

In addition, the control circuit unit 180 is a component that centrally controls the mobile terminal 10, the dedicated battery 20a and the other type battery 20b by the terminal case 100, the circuit on the PCB It is constructed and mounted inside the case body 110.

In addition, the control circuit unit 180, when two or more batteries, such as the mobile terminal 10, the dedicated battery 20a and the other type battery 20b to the terminal case 100 is mounted at the same time, according to the pre-programmed matter The order of charging each battery can be set. For example, the battery seating groove 130 of the case body 110 is equipped with a different type of battery 20b and the portable terminal 10 with the dedicated battery 20a embedded therein is mounted in the terminal seating recess 111. In this case, the charging power supplied from the charging cable 30 is preferentially supplied to the dedicated battery 20a embedded in the portable terminal 10, and it is determined that the charging of the dedicated battery 20a is completed. By switching the supply line to the other type battery (20b) it is possible to control the charging power to be supplied to the other type battery (20b).

In addition, the display unit 181 may be provided on the outer surface of the terminal case 100 to display the remaining charge amount of each battery so that a user may check the remaining charge amount of each battery. Here, the display unit 181 may be a light emitting lamp that changes the light emission color according to the remaining charge, and may also be a screen window displaying the remaining charge state in letters, numbers, and symbols.

As described above, by the respective configurations and functions of the mobile terminal case 100 according to the preferred embodiment of the present invention, the commercial power plug 210 that can be directly connected to the commercial power outlet to the mobile terminal case 100. And since the USB plug 220 that can be directly connected to the USB port, such as a PC is integrally mounted, it is not necessary to always carry a charger and a USB cable for charging the mobile terminal 10 or data input and output, maximizing user convenience do.

In addition, in the case of other types of batteries of the portable terminal that is not used in the past, but often discarded, the other type battery (20b) can be reused through the battery seating groove 130 can save resources. Compared with the conventional cover type charging case, a separate charging battery is not installed, thus reducing production costs.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

The portable terminal case according to the present invention is equipped with a commercially available plug that can be directly connected to a commercial power outlet and a USB plug that can be directly connected to a USB port such as a PC, and have an extra dedicated battery or other types of batteries therein. In addition, since additional battery power can be supplied to the portable terminal, there is industrial applicability.

Claims

A case body 110 having an upper terminal opening groove 111 formed therein so that the portable terminal 10 can be inserted while being inserted therein;

And a terminal case connector 120 disposed inside the terminal seating recess 111 to be electrically connected to the terminal connector 11 of the portable terminal 10.

The case body 110, the commercial power plug 210 and the USB plug is disposed inside the case body 110 so as to be electrically connected to the terminal case connector 120, and selectively mounted on the outside of the case main body (110) 220) The case for a mobile terminal, characterized in that one or more of the plug is mounted.
The method of claim 1,

The commercial power plug 210 and the USB plug 220,

The plug insertion groove 211 and the USB insertion groove formed on the outer surface of the case body 110 while rotating around the rotation shafts 212 and 222 formed at each end of the commercial power plug 210 and the USB plug 220. 221, respectively, inserted into or exited from,

Protruding pieces 214 and 224 formed on both sides of the commercial power plug 210 and the USB plug 220 are guide grooves formed inside the plug insertion groove 211 and the USB insertion groove 221 of the case body 110. Slide along (213,223), or

Connected to the plug cable 215 and the USB cable 225 connected to the end of the case body 110, respectively, the plug insertion groove 211 and the USB insertion groove 221 formed on the outer surface of the case body 110 The plug cable 215 and the USB cable 225, the case for the portable terminal, characterized in that the mounting or detachable from the inside of the case body 110 in one or more ways of being inserted or removed.
The method according to claim 1 or 2,

At least one battery seating recess 130 formed at the bottom surface 112 of the terminal seating recess 111 and having an upper portion thereof opened so that a dedicated battery 20a or other type battery 20b is inserted and fitted; And

The battery of the dedicated battery 20a or other type battery 20b disposed inside the battery seating groove 130 and electrically connected to the terminal case connector 120 and inserted into the battery seating groove 130. Terminal case output terminal 140 in contact with the input terminals (21a, 21b); Case for a mobile terminal further comprising.