KR20100082812A - Cellular phone shieding case - Google Patents

Abstract

PURPOSE: A protective case for a portable terminal is provided to supply power source to the portable terminal without replacing a battery when a base battery included on the portable terminal is discharged and to charge the base battery and an assisting battery. CONSTITUTION: A protective case(100) for a portable terminal comprises: a case unit(110) including an inner case(110a) having a first arrangement groove and an outer case(110b) having a second arrangement groove; a lid unit(120) which is extended from one end of an outer case and covers the front side of the terminal which is arranged on the first arrangement groove; and an assisting power unit(130) including a circuit board(131) with a charging receptacle terminal(134) and having an assisting battery(132) which is arranged on a cavity between the inner case and the outer case.

Description

Cell Phone Protective Cases {Cellular Phone Shieding Case}

The present invention relates to a mobile terminal protection case, and more particularly, to store the auxiliary battery can be easily carried along with the mobile terminal without fear of loss while keeping to prevent damage and damage to the mobile terminal, The present invention relates to a portable terminal protective case capable of supplying power for continuous use of a portable terminal without the need for replacing a battery during discharge and charging a secondary battery together with a main battery.

In recent years, the mobile terminal is more than just a telephone call, and its functions and utilizations are gradually diversified and expanded to facilitate the use of the Internet through DMB, music, movies, games, and WiBro.

In addition, the mobile terminal is a special treatment such as coating to protect the outer surface from the external environment, but does not protect all the light damage that can occur in everyday life.

In order to compensate for these drawbacks, the protective case for the portable terminal made of plastic is used to wrap and carry the portable terminal to prevent the damage and damage of the portable terminal from the light damage that can occur in life.

On the other hand, the main battery built in the mobile terminal is discharged due to the limited capacity of the battery when used or passed for a certain period of time. The various functions of the portable terminal were continuously available.

In addition, in order to charge and reuse the discharged battery, the battery must be charged using a charger, and thus, it is necessary to carry the auxiliary battery in a situation where it is difficult to charge the battery for a long time, a business trip or a trip.

However, the method of carrying the auxiliary battery is usually simply carried in a bag or a pocket of clothes, and there is a risk of losing a small auxiliary battery.

In addition, it is inconvenient and inconvenient to replace the auxiliary battery stored in the bag or pocket of the clothes when the function of the mobile terminal is stopped due to the capacity limit of the main battery during use of the mobile terminal.

Accordingly, the present invention is to solve the above problems, the object is to keep the auxiliary battery can be easily carried with the portable terminal without fear of loss while storing to prevent damage and damage of the portable terminal, built in the portable terminal The present invention is to provide a portable terminal protection case for supplying power to enable the continuous use of the portable terminal without the need to replace the battery when the discharge of the primary battery, and to charge the secondary battery with the primary battery.

As a specific means for achieving the above object, the present invention is provided with an inner case forming a first placement groove into which the portable terminal is placed, and an outer case forming a second arrangement groove into which the inner case is inserted. Case part to be made; The circuit board is provided with a cover portion extending from one end of the outer case and covering the front surface of the mobile terminal inserted into the first placement groove and a charging socket terminal at one end to be exposed to the outside through the case. And an auxiliary power supply disposed in a cavity formed between the inner case and the outer case and electrically connected to the auxiliary battery.

Preferably, the lower surface of the inner case facing the outer case is provided with a third arrangement groove in which the auxiliary power source is disposed, and one side of the third arrangement groove is provided with an opening for externally exposing the charging socket terminal.

Preferably, the auxiliary power supply unit includes a protective cover that covers and protects the circuit board and the auxiliary battery, wherein the protective cover protrudes from an outer edge corresponding to the charging socket terminal to support the left and right sides of the charging socket terminal. And a pair of supporting ribs.

In addition, the present invention is formed by recessing the first placement groove in which the mobile terminal is placed, the inner case having a bottom plate spaced apart from the bottom surface of the first placement groove, and the inner case is inserted arrangement A case part having an outer case having a second arrangement groove to be formed; And a cover part extending from one end of the outer case and covering the front surface of the portable terminal inserted into the first placement groove, and a circuit board having a charging socket terminal at one end to be exposed to the outside through the case part. And an auxiliary power supply disposed at a cavity formed between the bottom surface of the inner case and the bottom plate, the auxiliary battery electrically connected to the substrate.

Preferably, the bottom plate is provided at both ends in the longitudinal direction of the assembly projection protruding to be inserted into the assembly hole formed through the inner case to be assembled.

Preferably, the bottom surface of the inner case facing the bottom plate is provided with a third arrangement groove in which the auxiliary power source is disposed, and one side of the third arrangement groove is provided with an opening for externally exposing the charging socket terminal.

Preferably, the bottom plate is provided with a protruding rib protruding to the outer edge corresponding to the charging socket terminal to be supported in contact with the upper end of the charging socket terminal.

In addition, the present invention includes a case portion having an inner case having a first placement groove into which the portable terminal is placed, and an outer case having a second placement groove into which the inner case is inserted; The mobile terminal has an inner cover case extending from one end of the outer case, the outer cover case having a fourth placement groove, and an inner cover case inserted into the fourth placement groove and having a cover plate covering the open top. A cover portion covering the front of the; And a circuit board having a charging socket terminal exposed to the outside through the cover part at one end thereof, and a secondary battery electrically connected to the circuit board between the bottom surface of the inner cover case and the cover plate. Auxiliary power supply disposed in the; provides a portable terminal protective case comprising a.

Preferably, the cover plate is provided at both ends in the longitudinal direction of the assembly jaw is formed to be protruded to be inserted into the assembly hole formed through the inner cover case.

Preferably, the bottom surface of the inner cover case facing the cover plate is provided with a third arrangement groove in which the auxiliary power source is disposed, one side of the third arrangement groove is provided with an opening for externally exposing the charging socket terminal. .

Preferably, the cover plate is provided with a recess formed in the outer edge corresponding to the charging socket terminal so as to contact and support the charging socket terminal.

Preferably, the cover plate includes a magnet piece or a contact piece, and either one of the inner and outer cases is provided with the other of the magnet piece or the contact piece.

In addition, the case portion having a main body case having a first placement groove into which the portable terminal is placed, and a bottom plate spaced apart from the bottom surface of the first placement groove by a predetermined distance; The charging socket terminal is extended from one side end of the outer cover provided on the lower surface of the main body case to cover the front surface of the mobile terminal inserted into the first placement groove and exposed to the outside through the case portion. Provided with a circuit board provided, and an auxiliary battery electrically connected to the circuit board and disposed in the cavity formed between the bottom surface of the case portion and the bottom plate; provides a protective terminal including a mobile terminal.

Preferably, the bottom plate is provided with a plurality of assembling jaws having a plurality of assembling holes in which the plurality of elastic pieces extending from the main body case is elastically inserted into the bottom surface.

Preferably, the bottom plate is provided with a plurality of fixing projections on the lower surface is inserted into a plurality of boss holes extending from the body case fixed.

Preferably, the bottom surface of the body case facing the bottom plate is provided with a third arrangement groove in which the auxiliary power source is disposed, and one side of the third arrangement groove is provided with an opening for externally exposing the charging socket terminal.

Preferably, the cover part is provided with a cover plate on one side facing the front of the mobile terminal, one side end of the cover plate is elastically in contact with one side end of the mobile terminal inserted into the main body case to generate a fixing force It has three locking ribs.

Preferably, the circuit board is disposed in contact with the inner surface of the support rib for fixing the substrate extending upward from the bottom surface of the main body case is difficult to move.

Preferably, the auxiliary battery is disposed in contact with the inner surface of the battery fixing support rib extending upward from the bottom surface of the body case is difficult to move.

More preferably, the substrate fixing support rib or the battery fixing support rib includes a cutout so that a connection terminal for electrically connecting the circuit board and the auxiliary battery is disposed without jamming.

Preferably, the inner case has a first inner locking rib to elastically contact one end of the portable terminal to generate a locking force at one end.

More preferably, the outer case includes a first outer locking rib overlapping with an outer surface of the first inner locking rib.

Preferably, the cover part is provided with a plate on one side facing the front of the mobile terminal, the plate is provided with a magnet piece or a contact piece, either of the inner and outer cases of the magnet piece or contact piece The other one.

Preferably, the circuit board of the auxiliary power supply unit is provided integrally with the auxiliary battery via a connection terminal, or the circuit board includes a contact terminal elastically contacting a charging terminal formed on one side of the auxiliary battery.

Preferably, the apparatus further includes a gender unit electrically connecting the power socket terminal of the portable terminal to the auxiliary battery of the auxiliary power unit, wherein the gender unit includes a first gender unit including a first insertion connector inserted into the power socket terminal. And a second gender unit having a second insertion connector inserted into the charging socket terminal externally exposed through the case part or the cover part, and a connection cable electrically connecting the first gender unit and the second gender unit. do.

More preferably, the first gender unit or the second gender unit includes a power input terminal groove into which a charging connector of the charger is inserted and electrically connected.

According to the present invention, the portable terminal is inserted into and stored in the case portion, the auxiliary power source having a secondary battery that can be charged by an external power source, or a cover portion covering and protecting the front of the portable terminal is exposed to the outside through the case portion or the cover portion By electrically connecting between the charging socket terminal and the power socket terminal of the portable terminal, the auxiliary battery can be easily carried with the portable terminal without fear of loss and damage while preventing damage and damage to the portable terminal. When the battery is discharged, power can be supplied to the mobile terminal without the need for battery replacement, and the main battery and the secondary battery can be charged.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment

1 is an exploded perspective view showing a portable terminal protective case according to a first embodiment of the present invention, Figure 2 is a block diagram showing a portable terminal protective case according to a first embodiment of the present invention, Figure 3 (a (b) is a state diagram of use of the mobile terminal protection case according to the first embodiment of the present invention.

As shown in FIGS. 1 to 3 (a) and (b), the mobile terminal protective case 100 according to the first embodiment of the present invention includes a case unit 110, a cover unit 120, and an auxiliary power supply unit 130. ).

The case part 110 includes an inner case 110a and an outer case 110b stacked up and down, and the inner case 110a is formed so that the portable terminal 1 can be inserted into the upper surface. It consists of a plastic molded structure in which one batch groove 111 is formed.

One end of the inner case (110a) is elastically in contact with one end of the mobile terminal (1) to be stored so as to prevent the external separation of the mobile terminal (1) inserted into the first placement groove 111 is disposed It has a first internal locking rib 112 for generating a.

Here, the second inner locking rib so as to contact the other end of the mobile terminal to generate a locking force in the other end opposite the one end of the inner case (110a) formed with the first inner locking rib 112, the same as the first inner locking rib 113 may be provided selectively.

One of the first inner locking ribs 112 and the second inner locking ribs 113 extends a predetermined height from an outer edge of the inner case 110a and then contacts an outer end of the mobile terminal 1 in an elastic force. It may be bent to the side of the portable terminal fixed object to generate a, the rest may be provided vertically.

On the bottom surface of the first placement groove 111 of the inner case (110a) is provided with a protective sheet (111a) made of a soft cloth material to prevent surface damage of the mobile terminal disposed in the first placement groove (111) It is desirable to.

The lower surface of the inner case (110a) facing the outer case (110b) is recessed to a certain depth to form a cavity of a predetermined size that can be disposed in place when the auxiliary power unit 130 is coupled to the outer case The third arrangement groove 114 is formed, and one side of the third arrangement groove 114 is provided with a charging socket terminal to be described later is provided with an opening 115 opened to the outside to expose it.

The outer case 110b coupled to the inner case 110a includes a second placement groove 116 recessed in a predetermined depth on an upper surface thereof so that the inner case 110a can be inserted.

One end of the outer case (110b) is provided with a first outer locking rib (112a) for generating a locking force in contact with the inner case so as to prevent the outer detachment of the inserted inner case (110a), the first The outer locking ribs 112a are overlapped in contact with the outer surface of the first inner locking rib 112a formed in the inner case 110a.

Here, the second outer end of the outer case (110a) formed with the first outer locking rib (112a), the second end so as to generate a holding force in contact with the other end of the inner case (110a) like the first outer locking rib The external locking ribs 113a may be selectively provided.

In addition, any one of the first external locking rib 112a and the second external locking rib 113a may be bent toward the portable terminal, and the other may be provided vertically.

The outer case 110b has an exposed hole 118 formed therethrough so as to expose the charging socket terminal 134 disposed in the opening to a region corresponding to the opening 115 of the inner case 110a. Equipped.

Accordingly, when the inner case 110a is vertically coupled to be inserted into and disposed in the second placement groove 116 of the outer case 110b, the second placement groove (between the inner and outer cases 110a and 110b) is disposed. 116 forms a cavity that is an internal space of a predetermined size in which the auxiliary power supply 130 may be disposed. At the same time, the charging socket terminal 134 of the auxiliary power supply unit exposed to the outside through the opening of the inner case 210a is exposed to the outside through the exposure hole 118 corresponding to the opening, the charging socket terminal 134 Is close to the power socket terminal 2 provided on one side of the portable terminal 1 inserted into the first placement groove 111 of the inner case.

In addition, the inner case 110a and the outer case 110b may be provided with through holes 117a and 117b of a predetermined size so as to expose the camera provided in the portable terminal to the outside.

The cover part 120 is a cover member extending from one end of the outer case 110b to cover the entire surface of the mobile terminal inserted into the first placement groove 111 of the inner case 110a.

The cover portion 120 may be connected to the outer case 110b via a connecting cover 122 having a smaller size than the width of the outer case 110b, the cover portion 120 is made of a leather material It may be made of the same material as the outer case can be provided integrally with the outer case or connected via an adhesive.

The connecting cover 122 is preferably provided in a region corresponding to the second inner locking rib 113, the second outer locking rib 113a.

The cover part 120 includes a plate 124 on one side facing the front surface of the mobile terminal, and the plate 124 includes a magnet piece 125a provided at an end portion of the first internal locking rib 112. And a contact piece 125, such as a metal piece, in contact with and in close contact with the magnetic force.

Here, the contact piece 125 is provided on the plate 124, and the magnet piece 125a is illustrated and described as being provided on the first inner locking rib 112, but is not limited thereto. 125 may be provided on the first inner locking rib, and the magnet piece may be provided on the plate 124, and the contact piece may be provided by another magnet member facing at a different polarity from the magnet piece.

Accordingly, the closed state of the cover part 120 covering the front surface of the mobile terminal when the cover part 120 is closed is maintained by the magnet piece 125a that provides the magnetic force to the contact piece 125. .

In addition, the front surface of the plate 124 may be provided with a protective sheet 124 made of a soft cloth material to prevent the front surface of the mobile terminal covered by the cover portion 120 is damaged.

The auxiliary power supply unit 130 includes a circuit board 131, an auxiliary battery 132, and a charging socket terminal 134. The auxiliary power supply unit 130 is a cavity having a predetermined size formed between the inner case 110a and the outer case 110b. To be deployed.

The circuit board 131 is electrically connected to the auxiliary battery 132 and the connection terminal 133, and is equipped with an internal circuit and an electronic component that prevent overcharge and prevent over discharge during charging. 132 is disposed to be positioned in the third placement groove 114.

The charging socket terminal 134 is electrically connected to one end of the auxiliary battery 132 is disposed in the opening 115 of the inner case, the external exposure through the exposure hole 118 of the outer case (110b). The power socket terminal 2 of the portable terminal 1 is disposed corresponding to the cutout 115a formed in the inner case 110a and the other cutout 118a formed in the outer case 110b. When the outer case is combined, it is exposed to the outside through cutouts overlapping each other.

Accordingly, when the auxiliary battery 132 itself charges, the charging socket terminal 134 is electrically connected to a charging connector of a charger (not shown) to charge a predetermined amount of charge, and is provided in the inside of the portable terminal. When the battery is discharged, when the charging socket terminal 134 is connected to the power socket terminal 2 of the portable terminal via a gender unit 400 to be described later, the portable terminal while charging the basic battery built in the portable terminal Power will be supplied to enable the operation.

The auxiliary power supply 130 has a protective cover 135 to protect the circuit board 131 and the auxiliary battery 132 disposed in the third placement groove 114, the outer case 110b and the auxiliary power supply ( 130).

The protective cover 135 is in contact with the left and right sides of the charging socket terminal 134 while supporting the pair is formed to protrude in the outer edge corresponding to the charging socket terminal so as to minimize the movement of the power input terminal 134. Supporting ribs 136.

The protective cover 135 is preferably made of a heat resistant and insulating material to withstand the heat generated during the use and charging of the secondary battery 132 to prevent thermal deformation and to ensure electrical stability.

Second Embodiment

4 is an exploded perspective view showing a portable terminal protective case according to a second embodiment of the present invention, Figure 5 is a block diagram showing a portable terminal protective case according to a second embodiment of the present invention, Figure 6 (a (b) is a state diagram of use of the mobile terminal protection case according to the second embodiment of the present invention.

As shown in FIGS. 4 to 6 (a) and (b), the mobile terminal protective case 200 according to the second embodiment of the present invention includes a case unit 210, a cover unit 220, and an auxiliary power supply unit 230. ).

The case part 210 is provided with an inner case 210a and an outer case 210b which are vertically integrated with each other, and the inner case 210a has a first placement groove for inserting and placing the portable terminal 1. It is formed of a plastic molded structure having a bottom plate 219 horizontally spaced apart from the bottom surface of the inner casing 211 and the first placement groove 211 is spaced apart.

The bottom plate 219 has assembly jaws 219a formed at both ends in the longitudinal direction to protrude to be inserted into the assembly holes 219b formed through the inner case 210a.

Accordingly, the bottom plate 219 may be assembled to have a horizontal state spaced apart from the top by a predetermined interval from the bottom surface of the inner case 210a by the coupling of the assembly jaw and the assembly hole, the inner case It can be easily separated from (210a).

In addition, the upper side of the bottom plate 219 is formed based on the bottom plate 219 to form an upper space open to the upper portion so that the portable terminal 1 is placed, the lower side of the bottom plate 219 A cavity that is a lower space in which the auxiliary power source 230 is disposed is formed.

One end of the inner case 210a is elastically in contact with one end of the mobile terminal 1 to be stored so as to prevent an external detachment of the mobile terminal 1 inserted into the first placement groove 211. It has a first internal locking rib 212 for generating a.

Here, the second inner locking rib so as to be in contact with the other end of the portable terminal similarly to the first inner locking rib on the other end of the inner case 210a having the first inner locking rib 212 formed thereon. 213 may be provided selectively.

One of the first inner locking ribs 212 and the second inner locking ribs 213 extends a predetermined height from an outer edge of the inner case 210a, and then contacts an outer end of the mobile terminal 1 with an elastic force. To be formed to be bent to the side of the portable terminal to be fixed, the rest may be provided vertically.

The bottom surface of the bottom plate 219 is preferably provided with a protective sheet 211a made of a soft cloth material to prevent surface damage of the mobile terminal disposed in the first placement groove 211.

A third arrangement groove is formed on the bottom surface of the inner case 210a facing the bottom plate 219 so as to form a cavity having a predetermined size in which the auxiliary power supply 230 may be disposed in position when the bottom plate 219 is coupled with the bottom plate. 214, and one side of the third arrangement groove 214 is provided with an opening 215 opened to the outside so that the charging socket terminal to be described later is disposed outside.

The outer case 210b coupled to the inner case 210a includes a second placement groove 216 recessed in a predetermined depth on an upper surface thereof so that the inner case 210a can be inserted.

One end of the outer case (210b) is provided with a first outer locking rib (212a) for generating a holding force in contact with the inner case to prevent the external separation of the inserted inner case (210a), the first The outer locking ribs 212a overlap the outer surface of the first inner locking ribs 212a formed in the inner case 210a.

Here, the second outer end of the outer case 210a having the first outer locking rib 212a is formed so as to be in contact with the other end of the inner case 210a, similarly to the first outer locking rib, to generate a locking force. 2 may be provided with the outer engaging rib 213a selectively.

In addition, any one of the first external locking rib 212a and the second external locking rib 213a may be bent toward the portable terminal, and the other may be provided vertically.

The outer case 210b has an exposure hole 218 formed therethrough so as to expose the charging socket terminal 234 disposed in the opening to a region corresponding to the opening 215 of the inner case 210a. Equipped.

Accordingly, when the inner case 210a is vertically coupled to be inserted into the second placement groove 216 of the outer case 210b, the charging socket of the auxiliary power source exposed through the opening of the inner case 210a is externally exposed. The terminal 234 is exposed to the outside through an exposure hole 218 corresponding to the opening, and the charging socket terminal 234 is inserted into the first placement groove 111 of the inner case (1) To the power supply terminal 2 of.

In addition, the inner case 210a and the outer case 210b may be formed by penetrating through holes 217a and 217b of a predetermined size so as to expose the camera provided in the portable terminal to the outside.

The cover part 220 is a cover member extending from one end of the outer case 210b to cover the entire surface of the mobile terminal inserted into the first placement groove 211 of the inner case 210a.

The cover portion 220 may be connected to the outer case 210b via a connecting cover 222 having a smaller size than the width of the outer case 210b, the cover portion 220 is made of a leather material It may be made of the same material as the outer case can be provided integrally with the outer case or connected via an adhesive.

The connecting cover 222 is preferably provided in a region corresponding to the second outer locking rib 213a.

The cover part 220 has a plate 224 on one side facing the front surface of the mobile terminal, and the plate 224 has a magnet piece 225a provided at the end of the first inner locking rib 212. And a contact piece 225, such as a metal piece, in contact with and in close contact with the magnetic force.

Here, the contact piece 225 is provided on the plate 224, and the magnet piece 225a is shown and described as being provided on the first inner locking rib 212, but is not limited thereto, and the contact piece ( 225 may be provided on the first inner locking rib, and the magnet piece may be provided on the plate 224, and the contact piece may be provided by another magnet member facing at a different polarity from the magnet piece.

Accordingly, the closed state of the cover part 220 covering the front surface of the mobile terminal when the cover part 220 is closed is maintained by the magnet piece 225a which provides the magnetic force to the contact piece 225. .

In addition, the front surface of the plate 224 may be provided with a protective sheet 226 made of a soft cloth material to prevent the front surface of the mobile terminal covered by the cover portion 220 is damaged.

The auxiliary power supply 230 includes a circuit board 231, an auxiliary battery 232, and a charging socket terminal 234 in a cavity having a predetermined size formed between the inner case 210a and the bottom plate 229. To be deployed.

The circuit board 231 is electrically connected to the auxiliary battery 232 and the connection terminal 233 by a medium, and an overcharge circuit and an electronic component are mounted so that the circuit board 231 is connected to the auxiliary battery 232 of the inner case 210a. It is disposed to be positioned in the third placement groove 214 formed on the bottom surface.

The charging socket terminal 234 is electrically connected to one end of the auxiliary battery 232 is disposed in the opening 215 of the inner case and exposed to the outside through the exposure hole 218 of the outer case 210b. The power socket terminal 2 of the portable terminal 1 is disposed corresponding to the cutout 215a formed in the inner case 210a and the other cutout 218a formed in the outer case 210b. When the outer case is coupled to the outside exposed through the cutouts overlapping each other, the opening 215 is connected to the cutout.

Accordingly, when the auxiliary battery 232 is self-charging, the charging socket terminal 234 is electrically connected to a connection terminal of a charging socket of a rechargeable battery not shown to charge a predetermined amount of charge, and the inside of the portable terminal. When the discharged basic battery is discharged, the charging socket terminal 234 is connected to the power terminal 2 of the mobile terminal 1 through the gender unit 400 to discharge the main battery built in the mobile terminal. In this state, power is supplied to enable the operation of the portable terminal.

The auxiliary power supply 230 is covered and protected by the bottom plate 219 assembled to the inner case 210a, and the bottom plate 219 contacts the upper end of the charging socket terminal 234 and supports the power. In order to minimize the movement of the input terminal 234, it is preferable to have a protruding rib 219b protruding from the outer side of the charging socket terminal.

The bottom plate 219 is preferably made of a heat resistant and insulating material to withstand the heat generated during the use and charging of the secondary battery 232 to prevent heat deformation and to ensure electrical stability.

Third Embodiment

7 is an exploded perspective view showing a portable terminal protective case according to a third embodiment of the present invention, Figure 8 (a) (b) is a state diagram of the portable terminal protective case according to the third embodiment of the present invention.

As shown in FIGS. 7 and 8 (a) and (b), the portable terminal protective case 300 according to the third embodiment of the present invention includes a case part 310, a cover part 320, and an auxiliary power supply part 330. ).

The case part 310 is provided with an inner case 310a and an outer case 310b which are vertically molded up and down, and the inner case 310a is arranged so that the portable terminal 1 can be inserted and disposed on an upper surface thereof. It is made of a plastic molded structure to form the recess groove 311.

One end of the inner case (310a) is elastically in contact with one end of the mobile terminal (1) to be stored so as to prevent the external separation of the mobile terminal (1) inserted into the first placement groove (311). It has a first internal locking rib 312 for generating a.

Here, the second inner locking rib so as to be in contact with the other end of the portable terminal similarly to the first inner locking rib on the other end of the inner case 310a of the inner case 310a having the first inner locking rib 312 formed thereon. 313 may be provided selectively.

One of the first inner locking ribs 312 and the second inner locking ribs 313 extends a predetermined height from an outer edge of the inner case 310a and then contacts an outer end of the mobile terminal 1 in an elastic force. To be formed to be bent to the side of the portable terminal to be fixed, the rest may be provided vertically.

The bottom surface of the inner case (310a) is preferably provided with a protective sheet (311a) made of a soft cloth material to prevent surface damage of the mobile terminal disposed in the first placement groove (311).

The outer case 310b coupled to the inner case 310a includes a second placement groove 316 recessed in a predetermined depth on an upper surface thereof so that the inner case 310a may be inserted.

One end of the outer case (310b) is provided with a first outer locking rib (312a) for generating a locking force in contact with the inner case to prevent the outer separation of the inserted inner case (310a), the first The outer locking ribs 312a overlap the outer surface of the first inner locking ribs 312 formed in the inner case 310a.

Here, the second outer end of the outer case 310a formed with the first outer locking rib 312a may be in contact with the other end of the inner case 310a, similarly to the first outer locking rib, to generate a locking force. An external locking rib 313a may be selectively provided.

In addition, any one of the first external locking ribs 312a and the second external locking ribs 313a may be bent toward the portable terminal, and the other may be provided vertically.

The outer case 310b exposes the power socket terminal 2 of the portable terminal disposed in the first placement groove 3111 to the outside in an area corresponding to the cutout 319a formed in the inner case 310a. Another cutout 319b is provided.

Accordingly, when the inner case 310a is vertically coupled to be inserted into and disposed in the second placement groove 216 of the outer case 310b, the cell is externally exposed through the cutout 319a of the inner case 310a. The power socket terminal 2 of the terminal is exposed to the outside through the other incision 319b corresponding to the incision, and the power socket terminal when the cover is closed, the charging socket terminal of the auxiliary power supply that is externally exposed through it ( 334).

In addition, the inner case 310a and the outer case 310b may be provided with through holes 317a and 317b having a predetermined size so as to expose the camera provided in the portable terminal to the outside.

The cover 320 is an outer cover case extending from one end of the outer case (310b) to cover the entire surface of the mobile terminal inserted into the first placement groove (311) of the inner case (310a) ( 320b) and an inner cover case 320a inserted into the cover member.

The outer cover case 320b is recessed to form the fourth placement groove 321b so that the inner cover case 320a is inserted and arranged, the connection cover 322 having a size narrower than the width of the outer case 210b. The outer case 310b may be connected to each other, and the outer cover case 320b may be made of the same material as the outer case that may be made of a leather material, and may be integrally provided with the outer case or connected through an adhesive.

The connecting cover 322 is preferably provided in a region corresponding to the second outer locking rib 313a.

The inner cover case 320b is inserted into and disposed in the fourth placement groove, and includes a cover plate 324 covering an open top, and a bottom surface of the inner cover case 310a facing the cover plate 324. It has a third placement groove 321a is inserted into the auxiliary power supply unit 330, the opening portion 329a for exposing the charging socket terminal 324 of the auxiliary power supply portion on one side of the third placement groove (321a). ).

Here, the outer cover case 310b is formed through the exposed hole so as to expose the charging socket terminal 334 disposed in the opening in the region corresponding to the opening 329a of the inner cover case 310a. 329b is provided.

Accordingly, when the inner cover case 310a is vertically coupled to be inserted into and disposed in the fourth placement groove 321b of the outer cover case 310b, the auxiliary power supply unit is exposed to the outside through the opening of the inner cover case 310a. The charging socket terminal of 334 is exposed to the outside through the exposed hole (329b) corresponding to the opening, the charging socket terminal 334 is in the first placement groove 311 of the inner case when the cover portion is closed Close to the power supply terminal 2 of the inserted portable terminal (1).

The cover plate 324 is provided on one side of the cover portion facing the front of the mobile terminal to cover and close the open upper portion of the inner cover case, the cover plate 324 of the second inner locking rib (312a) A contact piece 325, such as a metal piece, which is in contact with the magnet piece 325a provided at the end and is in close contact with the magnetic force, is provided.

Here, the contact piece 325 is provided on the cover plate 324, and the magnet piece 325a is shown and described as being provided on the second inner locking rib 312a, but is not limited thereto. 325 may be provided on the second inner locking rib, and the magnet piece may be provided on the cover plate 324, and the contact piece may be provided by another magnet member facing at a different polarity from the magnet piece.

Accordingly, the closed state of the cover part 320 covering the front surface of the mobile terminal when the cover part 320 is closed is maintained by the magnet piece 325a which provides the magnetic force to the contact piece 325. .

In addition, the front surface of the plate 324 may be provided with a protective sheet 326 made of a soft cloth material to prevent the front surface of the mobile terminal covered by the cover 320 to be damaged.

The cover plate 324 is provided at both ends of the assembly jaw (3248a) protruding to be inserted into the assembly hole 328 formed through the inner cover case (310a) to be assembled.

Accordingly, the cover plate 324 forms a cavity in which the auxiliary power source 330 is disposed while covering and sealing the open upper portion of the inner cover case 310a.

The auxiliary power supply unit 330 is a cavity having a predetermined size formed between the inner cover case 310a and the cover plate 224 by having a circuit board 331, an auxiliary battery 332, and a charging socket terminal 334. Will be placed on.

The circuit board 331 is electrically connected to the auxiliary battery 332 and the connection terminal 333 by a medium, and an overcharge circuit and an electronic component are mounted to the inner cover case 310a together with the auxiliary battery 332. It is arranged to be positioned in the third placement groove (321a) formed on the bottom surface of the.

The charging socket terminal 334 is electrically connected to one side end of the auxiliary battery 332 and is disposed in the opening 329a of the inner cover case and is exposed to the outside through the exposed hole 329b of the outer cover case 310b. Exposed.

Accordingly, when the auxiliary battery 332 is self-charging, the charging socket terminal 334 is electrically connected to a connection terminal of a charging socket of a rechargeable battery not shown to charge a predetermined amount of charge, and the inside of the portable terminal. When discharging the provided basic battery, the charging socket terminal 334 is connected to the power terminal 2 of the mobile terminal 1 through the gender unit 400 to discharge the main battery built in the mobile terminal. In this state, power is supplied to enable the operation of the portable terminal.

The auxiliary power source 330 is covered and protected by a cover plate 324 assembled to the inner cover case 310a, and the cover plate 324 contacts the charging socket terminal 334 while supporting the power input. In order to minimize the movement of the terminal 334, it is preferable to have a fixing groove 324b which is formed in the outer edge corresponding to the charging socket terminal.

The cover plate 324 is preferably made of a heat resistant and insulating material to withstand the heat generated during the use and charging of the secondary battery 332 to prevent thermal deformation and to ensure electrical stability.

Fourth Embodiment

9 (a) and (b) are exploded perspective views showing a portable terminal protection case according to a fourth embodiment of the present invention, Figure 10 (a) (b) is a portable terminal protection according to a second embodiment of the present invention The state of use of the case.

As shown in FIGS. 4 to 6 (a) and (b), the mobile terminal protective case 400 according to the fourth embodiment of the present invention includes a case part 410, a cover part 420, and an auxiliary power supply part 430. ).

The case part 410 includes a main body case 410a and a bottom plate 419, and the main body case 410a has a recessed shape in which the first placement groove 411 into which the mobile terminal 1 is placed. The plastic mold structure includes a bottom plate 419 horizontally spaced apart from the bottom surface of the first placement groove 411 by a predetermined interval.

The bottom plate 419 is provided with a plurality of assembly jaw (419a) having a plurality of assembling holes in which the plurality of elastic pieces (419b) extending from the main body case (410a) is elastically inserted into the lower surface.

In addition, the bottom plate 419 is provided with a plurality of fixing protrusions 419c on the lower surface of the bottom plate 419 is inserted into and fixed to the plurality of boss holes 419d extending from the body case 410a.

Accordingly, the bottom plate 419 is spaced apart from the bottom surface of the main body case 410a by the coupling of the assembling jaw and the elastic piece or the fixing protrusion and the boss hole to be assembled to have a horizontal state. On the other hand, it can be easily separated from the body case (410a).

In addition, the upper side of the bottom plate 219 is formed on the bottom plate 419 so as to form an upper space that is opened upward so that the portable terminal 1 is inserted and placed below the bottom plate 219. A cavity that is a lower space in which the auxiliary power source 230 is disposed is formed.

The main body case (410a) has a holding force to elastically contact the outer edge of the mobile terminal (1) to be stored to prevent the external departure of the mobile terminal (1) inserted into the first placement groove (411). A pair of first locking ribs 412a and a pair of second locking ribs 412b which are generated are provided at the corners.

The bottom surface of the bottom plate 419 is preferably provided with a protective sheet (411a) made of a soft cloth material to prevent surface damage of the mobile terminal disposed in the first placement groove 211.

A third arrangement groove is formed on the bottom surface of the inner case 410a facing the bottom plate 419 so as to form a cavity having a predetermined size in which the auxiliary power supply 230 can be disposed in position when combined with the bottom plate. 414, and one side of the third arrangement groove 414 is provided with an opening 415 opened to the outside so that the charging socket terminal to be described later is disposed outside.

Accordingly, the charging socket terminal 434 of the auxiliary power supply unit 430 exposed to the outside through the opening 415 of the main body case 410a is exposed to the outside through the opening 415, such a charging socket terminal 234 ) Is close to the power supply terminal 2 of the mobile terminal 1 inserted into the first placement groove 411 of the main body case 410a.

Here, one side of the opening 415 may be provided with a closure member 415 for sealing the opening 415 to prevent foreign matter from being mixed into the charging socket terminal 434 side that is exposed to the outside.

In addition, the body case 410a and the bottom plate 419 may be provided with through holes 417a and 417b having a predetermined size so as to expose the camera provided in the mobile terminal to the outside.

The cover part 420 is integrally attached or assembled to the lower surface of the body case 410a so as to cover the entire surface of the mobile terminal inserted into the first placement groove 411 of the body case 210a. The cover member extends from one end of the outer cover 421.

The cover part 220 may be connected to the outer cover 210b via a connecting cover 422 having a smaller size than the width of the outer cover 421, and the cover part 420 is made of a leather material. Made of the same material as the outer cover can be provided integrally with the outer cover or may be connected via an adhesive.

Here, the connecting cover 422 is preferably provided in an area corresponding to the open area of the body case formed between the pair of second locking ribs (412b).

The cover part 420 is provided with a cover plate 424 on one side facing the front of the mobile terminal, and inserted into the first placement groove 411 of the body case at one end of the cover plate 424. And a third locking rib 425 that elastically contacts one end of the arranged mobile terminal to generate a fixing force.

In addition, the front surface of the cover plate 424 may be provided with a protective sheet made of a soft cloth material to prevent the front surface of the mobile terminal covered by the cover portion 420 is damaged.

The auxiliary power supply unit 430 includes a circuit board 431, an auxiliary battery 432, and a charging socket terminal 434 in a cavity having a predetermined size formed between the body case 410a and the bottom plate 419. To be deployed.

The circuit board 431 is electrically connected to the auxiliary battery 432 via a connection terminal, and an overcharge circuit and an electronic component are mounted on the bottom surface of the main body case 410a together with the auxiliary battery 432. It is arranged to be positioned in the third placement groove 414 formed.

The charging socket terminal 434 is electrically connected to one end of the auxiliary battery 432 is disposed in the opening 415 of the main body case is exposed to the outside through the power socket terminal of the portable terminal (1) ( 2) is disposed corresponding to the cutout 415a formed in the body case so as to be close to the opening 415 is exposed to the outside through this.

Accordingly, when the auxiliary battery 432 is self-charging, the charging socket terminal 434 is electrically connected to a connection terminal of a charging socket of a charger (not shown) to charge a predetermined amount of electric charges, and the inside of the portable terminal. When discharging the provided basic battery, the charging socket terminal 434 is connected to the power terminal 2 of the mobile terminal 1 through the gender unit 500 to discharge the main battery built in the mobile terminal. In this state, power is supplied to enable the operation of the portable terminal.

The auxiliary power supply 430 is covered and protected by the bottom plate 419 assembled to the main body case 410a, and the bottom plate 419 is heat generated when the auxiliary battery 432 is used and charged. It is preferably made of a heat resistant and insulating material to sufficiently withstand to prevent thermal deformation and ensure electrical stability.

Here, the circuit board 431 is in contact with the inner surface of the substrate fixing support ribs 436 extending upward from the bottom surface of the main body case is disposed so as to be difficult to move, the support ribs of the substrate fixing support 436 It is preferable that the inner side is provided with an elastic protrusion 436a that elastically contacts the circuit board 431 to generate a fixing force.

In addition, the auxiliary battery 432 is preferably disposed so as to be difficult to move in contact with the inner surface of the battery fixing support ribs 437 extending upward from the bottom surface of the main body case like the substrate fixing support ribs. .

Here, the cutout portion 438 is disposed on the substrate fixing support rib 436 or the battery fixing support rib 437 so that a connection terminal electrically connecting the circuit board 431 and the auxiliary battery 432 is disposed without being caught. Is preferably provided.

On the other hand, the auxiliary power supply unit 130, 230, 330. 430 is shown and described as being integrally provided with the auxiliary battery (132, 232, 332, 432) the circuit board (131, 231, 331, 431) having the charging socket terminal on one side via the connection terminal (113, 233, 333, 433). It is not limited, as shown in Figure 11 (a) (b), the circuit board and the auxiliary battery is provided separately from each other may be replaced by replacing the auxiliary battery with another.

That is, the circuit boards 131, 231, 331, and 431 having the charging socket terminals 134, 234, 334, and 434 integrally formed at one side end thereof are formed in one side of the auxiliary battery 132, 232, 332, 432 as shown in FIG. The contact terminals 131a, 231a, 331a, and 431a which are elastically in contact with the 132a, 232a, 332a, and 432a may be provided.

Here, the contact terminals (131a, 231a, 331a, 431a) may be made of an elastic piece-shaped terminal member or conductive coil member to maintain a contact state with the charging terminal of the auxiliary battery, and the contact terminal The auxiliary battery having the charging terminal elastically contact may be a battery of the same type as the basic battery embedded in the portable terminal.

12 (a) and (b) are exploded perspective views showing a gender part employed in a mobile terminal protection case according to an embodiment of the present invention, Figure 13 (a) (b) (c) according to an embodiment of the present invention As a diagram illustrating the use of the gender part employed in the portable terminal protection case, the portable terminal 1 is electrically connected between the power socket terminal 2 of the portable terminal 1 and the auxiliary batteries 132, 232, 332 and 432 of the auxiliary power supply unit 130, 230, 330 and 430. It includes a gender unit 500 for supplying power to enable the operation.

The gender unit 500 includes a first gender unit 510, a second gender unit 520, and a connection cable 530. The first gender unit 510 is electrically connected to the mobile terminal 1. The first insertion connector 512 is inserted into the power socket terminal 2 so as to be connected to each other, and the substrate having one side end is provided inside the body so that the first insertion connector is exposed to the outside.

The second gender unit 510 is connected to the charging socket terminals 132, 232, 332, 432 externally exposed through the case parts 110, 210, 410, or the cover part 320 to be electrically connected to the auxiliary batteries 132, 232, 332, 432 of the auxiliary power supply units 130, 230, 330, 430. A second insertion connector 522 is inserted, and a substrate is provided in the body having one end thereof so that the second insertion connector is exposed to the outside.

The connection cable 530 is electrically connected between the first insertion connector 512 and the second insertion connector 522, and the first gender unit 510 and the second gender unit 520 stacked up and down. Cable member of a certain length to connect the.

In addition, the first gender unit or the second gender unit is provided with a power input terminal groove 501 into which a charging connector of a charger (not shown) is inserted and electrically connected. The power input terminal groove 401 is the first gender unit. Preferably, the insertion connector 512 or the second insertion connector 522 is provided at the other end of the first gender unit or the second gender unit, which is the opposite side of the one end from which the insertion connector 512 or the second insertion connector 522 protrudes.

Accordingly, when the portable terminal 1 and the auxiliary battery are electrically connected to each other through the gender unit 500, the charges charged in the auxiliary battery are carried through the first and second insertion connectors and the connection cable. By being supplied to the terminal, it is possible to use the portable terminal and to charge the basic battery built in the portable terminal by an external power source.

The gender part 500 includes a gender protection cap 540 into which the first and second insertion connectors 512 and 522 are inserted and the gender protection cap 540 has a predetermined length with the case part or the portable terminal. It is connected via the strap 550, one end of the gender protective cap 540 is provided with a connection hole 542 one end of the strap 550 is connected.

That is, when it is difficult to continuously use the portable terminal by exhausting the charge amount of the basic battery built in the portable terminal, the user of the portable terminal inserts the portable terminal into the case portion of the protective case, and then the gender unit 500 The first insertion connector 512 of the first gender unit 510 is inserted into the power socket terminal 2 of the mobile terminal, and the second insertion connector 522 of the second gender unit 520 is provided. ) Is inserted into the charging socket terminal of the auxiliary power source exposed to the outside through the case portion or the cover portion.

In this case, the portable terminal and the auxiliary battery of the auxiliary power supply unit are electrically connected to each other, so that the charges charged in the auxiliary battery can be transferred to the portable terminal to supply power to the portable terminal. Continuous use of the portable terminal is possible without having to remove the battery and replace it with a new one.

In addition, in the state in which the gender socket 500 electrically connects the power socket terminal 2 of the portable terminal and the charging socket terminal of the auxiliary power supply unit exposed to the outside through the case unit or the cover unit, the first, When the charging connector 3 of the charger is inserted into the power input terminal groove 501 provided in any one of the two gender units 510 and 520, the auxiliary battery is charged at the same time as the primary battery embedded in the portable terminal. The old battery can be charged.

While the invention has been shown and described with respect to particular embodiments, it will be appreciated that the invention can be varied and modified without departing from the spirit or scope of the invention as set forth in the claims below. It will be appreciated that those skilled in the art can easily know.

1 is an exploded perspective view showing a portable terminal protection case according to a first embodiment of the present invention.

2 is a block diagram illustrating a portable terminal protective case according to the first embodiment of the present invention.

3 (a) and 3 (b) are diagrams illustrating a use state of a mobile terminal protective case according to the first embodiment of the present invention.

4 is an exploded perspective view showing a portable terminal protection case according to a second embodiment of the present invention.

5 is a block diagram showing a portable terminal protective case according to a second embodiment of the present invention.

6 (a) and 6 (b) are diagrams illustrating a use state of a mobile terminal protection case according to a second embodiment of the present invention.

 7 is an exploded perspective view showing a mobile terminal protection case according to a third embodiment of the present invention.

8 (a) and (b) are diagrams illustrating a state of use of the mobile terminal protection case according to the third embodiment of the present invention.

9 (a) and 9 (b) are exploded perspective views illustrating a portable terminal protective case according to a fourth embodiment of the present invention.

10 (a) and (b) are diagrams illustrating a use state of a mobile terminal protective case according to a second embodiment of the present invention.

 11 (a) and (b) are perspective views illustrating a detachable auxiliary power supply unit provided in a mobile terminal protection case according to an embodiment of the present invention.

12 (a) and 12 (b) are exploded perspective views illustrating a gender part employed in a mobile terminal protection case according to an exemplary embodiment of the present invention.

13 (a), (b) and (c) are diagrams illustrating a state of use of the gender unit employed in the mobile terminal protection case according to the embodiment of the present invention.

   Explanation of symbols on the main parts of the drawings

1: Mobile terminal 2: Power socket terminal

100,200,300,400: Protective case 110,210,310,410: Case part

110a, 210a, 310a: inner case 110b, 210b, 310b: outer case

111,211,311,411: First placement groove 112,212,312: First internal locking rib

112a, 212a, 312a: first outer locking rib 120, 220, 320, 430: cover part

122,222,322,432: Connecting cover 125,225,325: Contact piece

125a, 225a, 325a: Magnet piece 130,230,330,430: auxiliary power supply

131,231,331,431: Circuit board 132,232,332,432: Spare battery

134,234,334,434: Charging socket terminal 500: Gender part

510: first gender unit 520: second gender unit

512: first insertion connector 522: second insertion connector

Claims (26)

A case part including an inner case forming a first placement groove into which the portable terminal is placed and an outer case forming a second placement groove into which the inner case is inserted; A cover part extending from one end of the outer case and covering the front surface of the mobile terminal inserted into the first placement groove; An auxiliary power supply unit having a circuit board having a charging socket terminal at one end thereof to be exposed to the outside through the case unit and disposing an auxiliary battery electrically connected to the circuit board in a cavity formed between the inner case and the outer case; Mobile terminal protective case included. The method of claim 1, A lower surface of the inner case facing the outer case is provided with a third arrangement groove in which the auxiliary power supply is disposed, and one side of the third arrangement groove has an opening for externally exposing the charging socket terminal. Mobile terminal protective case. The method of claim 1, The auxiliary power supply unit includes a protective cover that covers and protects the circuit board and the auxiliary battery, and the protective cover protrudes from the charging socket terminal and a corresponding outer edge to support the left and right sides of the charging socket terminal. A mobile terminal protective case characterized by having a support rib. An inner case having a bottom plate spaced apart from the bottom surface of the first placement groove by a recess in the first placement groove into which the portable terminal is placed, and a second placement groove into which the inner case is inserted A case part having an outer case formed with a shape; A cover part extending from one end of the outer case and covering the front surface of the mobile terminal inserted into the first placement groove; A sub-battery having a circuit board having a charging socket terminal at one end thereof to be exposed to the outside through the case part and disposed in the cavity formed between the bottom surface of the inner case and the bottom plate is electrically connected to the circuit board. Auxiliary power supply to the; mobile terminal protection case comprising a. The method of claim 4, wherein The bottom plate is a mobile terminal protective case, characterized in that each of the mounting jaw formed in the protruding to be inserted into the assembly hole formed through the inner case to be protruded in each of the longitudinal direction. The method of claim 4, wherein The bottom surface of the inner case facing the bottom plate is provided with a third arrangement groove in which the auxiliary power unit is disposed, and one side of the third arrangement groove has an opening for externally exposing the charging socket terminal. Mobile terminal protective case. The method of claim 4, wherein And the bottom plate includes a protruding rib protruding from an outer edge corresponding to the charging socket terminal to support the upper end of the charging socket terminal. A case part including an inner case having a first arrangement groove into which the portable terminal is inserted and an outer case having a second arrangement groove into which the inner case is inserted; The mobile terminal has an inner cover case extending from one end of the outer case, the outer cover case having a fourth placement groove, and an inner cover case inserted into the fourth placement groove and having a cover plate covering the open top. A cover portion covering the front of the; And A secondary battery having a circuit board having a charging socket terminal exposed to the outside through the cover portion at one end and electrically connected to the circuit board is provided in a cavity formed between the bottom surface of the inner cover case and the cover plate. Auxiliary power supply to be disposed; Mobile terminal protection case comprising a. The method of claim 8, The cover plate is a mobile terminal protective case, characterized in that each of the mounting jaw formed in the protruding to be inserted into the assembly hole formed through the inner cover case to be protruded. The method of claim 8, The bottom surface of the inner cover case facing the cover plate is provided with a third arrangement groove in which the auxiliary power source is disposed, and one side of the third arrangement groove has an opening for externally exposing the charging socket terminal Mobile terminal protective case. The method of claim 8, And the cover plate has a recess formed in the outer edge corresponding to the charging socket terminal so as to be in contact with the charging socket terminal. The method of claim 8, The cover plate is provided with a magnet piece or a contact piece, and any one of the inner and outer cases, the mobile terminal protective case, characterized in that provided with the other one of the magnet piece or the contact piece. A case part including a main body case having a first placement groove into which the portable terminal is placed and a bottom plate spaced apart from the bottom surface of the first placement groove by a predetermined distance; A cover part extending from one end of an outer cover provided on the lower surface of the main body case and covering the front surface of the mobile terminal inserted into the first placement groove; A circuit board having a charging socket terminal at one end thereof to be exposed to the outside through the case part and having an auxiliary battery electrically connected to the circuit board in a cavity formed between the bottom surface of the case part and the bottom plate; Auxiliary power supply; Mobile terminal protection case comprising a. The method of claim 13, The bottom plate is a mobile terminal protective case, characterized in that provided with a plurality of assembling jaw in the lower surface having an assembly hole in which a plurality of elastic pieces extending from the main body case is elastically inserted. The method of claim 13, The bottom plate is a mobile terminal protective case, characterized in that provided with a plurality of fixing projections on the lower surface is inserted into a plurality of boss holes extending from the main body case. The method of claim 13, The bottom surface of the main body case facing the bottom plate is provided with a third arrangement groove in which the auxiliary power unit is disposed, and one side of the third arrangement groove has an opening for externally exposing the charging socket terminal. Mobile terminal protective case. The method of claim 13, The cover part includes a cover plate on one side facing the front surface of the mobile terminal, and one side end of the cover plate elastically contacts one side end of the mobile terminal inserted into the main body case to generate a fixing force. Mobile terminal protective case characterized in that it comprises a. The method of claim 13, The circuit board is in contact with the inner surface of the substrate fixing support ribs extending from the bottom surface of the main body case to protect the mobile terminal, characterized in that the arrangement is difficult to move. The method of claim 13, The auxiliary battery is in contact with the inner surface of the battery fixing support ribs extending from the bottom surface of the main body case to protect the mobile terminal, characterized in that the arrangement is difficult to move. The method of claim 18 or 19, The substrate fixing support rib or the battery fixing support rib is provided with a cutout so that the connection terminal for electrically connecting between the circuit board and the auxiliary battery is disposed without jamming. The method according to any one of claims 1, 4 and 8, The inner case is a mobile terminal protective case, characterized in that it has a first inner locking rib to elastically contact one end of the portable terminal to generate a locking force at one end. The method of claim 21, The outer case is a protective case for a mobile terminal, characterized in that it comprises a first outer locking rib overlapping the outer surface of the first inner locking rib. The method according to claim 1 or 4, The cover part has a plate on one side facing the front of the mobile terminal, the plate is provided with a magnet piece or a contact piece, and either one of the inner and outer cases to the other of the magnet piece or contact piece Mobile terminal protective case characterized in that provided. The method according to any one of claims 1, 4, 8 and 13, The circuit board of the auxiliary power supply unit is provided integrally with the auxiliary battery via a connection terminal, or the circuit board is provided with a mobile terminal characterized in that it has a contact terminal in elastic contact with the charging terminal formed on one side of the auxiliary battery. Protective case. The method according to any one of claims 1, 4, 8 and 13, And a gender unit electrically connecting the power socket terminal of the portable terminal to the auxiliary battery of the auxiliary power supply unit. The gender unit includes a first gender unit including a first insertion connector inserted into the power socket terminal, and a second gender unit including a second insertion connector inserted into a charging socket terminal externally exposed through the case unit or the cover unit. And a connection cable electrically connecting the first gender unit and the second gender unit to each other. The method of claim 25, The first gender unit or the second gender unit is a portable terminal protective case, characterized in that it has a power input terminal groove electrically connected to the charging connector of the charger is inserted.

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