KR101489495B1 - Socket for dual memory card - Google Patents

Abstract

The present invention relates to a socket for a dual memory card in which a micro SIM card and a micro SD card are inserted and drawn in a socket in the same direction, wherein the micro SIM card, which is inserted downwards, is inserted and drawn by a push-push operation of a slider, thereby minimizing a mounting area and reducing costs. For this purpose, the socket for the dual memory card comprises: a base in which first and second contact mounting units are formed spaced apart from the front and the rear sides, and the second contact mounting unit is located upper than the first contact mounting unit; a first shell which covers the upper surface of the first contact mounting unit of the base such that a first card is inserted thereinto; a first contact which is provided in the first contact mounting unit of the base and contacts the first card; a second shell which covers the upper surface of the second contact mounting unit of the base such that a second card is inserted thereinto; a second contact which is provided in the second contact mounting unit of the base and contacts the second card; and a slider which is disposed on one side of the upper surface of the base to be moved back and forth, is formed to contact the inner side of the first card, is supported by being pushed and entered backward by the card when the first card is pushed once, and pushes the first card forward when the first card is pushed again. The first and second cards are inserted and drawn in the same direction through first and second insertion spaces.

Description

Socket for Dual Memory Card {SOCKET FOR DUAL MEMORY CARD}

The present invention relates to a socket for a dual memory card, and more particularly, to a socket for a dual memory card, in which two types of micro SIM card and micro SD card are inserted and withdrawn in one socket in the same direction, The present invention relates to a socket for a dual memory card that can be inserted and withdrawn automatically by a push-push operation by a slider, thereby minimizing a mounting area and significantly reducing cost.

A commonly used mobile communication terminal is provided with a memory card for authenticating personal information and credit approval, and a memory card for storing data when using various contents.

Among the memory cards, a memory card used for authentication of personal information and credit approval is a memory card used for storing data for various contents, such as a SIM card, an ALM card, a Moneta card, and a bank-on card A micro SD card, a smart media card, a memory stick, an X-definition card, and a T-flash card are used.

In order to reduce the risk of loss, the SIM card for authentication, which is used for personal information and credit settlement of the memory card, is mounted on the mating surface of the back case closely attached to the battery pack, The memory card can not be replaced and the data memory card for storing data is mounted so as to be directly replaceable from the side of the mobile communication terminal.

Conventionally, the sockets for fixing and connecting the authentication memory card and the data memory card are respectively manufactured as separate sockets and mounted at corresponding positions of the mobile communication terminal, and a mounting space for mounting the respective memory sockets is required It has been difficult to make the mobile communication terminal slim and miniaturized. Further, there are restrictions on the installation of parts for adding new functions.

In order to solve such a problem, a socket for a dual memory card which can simultaneously use a micro SIM card as an authentication memory card and a micro SD card as a data memory card has recently been proposed.

The socket for a conventional dual memory card as described above has memory card receiving portions formed at the upper and lower sides of a socket mold, a housing is coupled to the socket mold, and each memory card has an angle of about 90 degrees.

However, since the socket for the dual memory card as described above is different in the mounting direction of the micro SIM card and the micro SD card, the structure of the micro SIM card and the micro SD card must be designed considering the design of the portable terminal, In addition, there is an undesirable problem in terms of cost reduction.

Korean Patent Publication No. 20-2013-0005659 (published on September 30, 2013)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a micro SIM card and a micro SD card in which two kinds of micro SIM cards and a micro SD card are inserted and withdrawn in one socket in the same direction So that the mounting area can be minimized and the cost can be greatly reduced.

It is another object of the present invention to provide a micro-card which is inserted in a push-pull manner and inserted in a downward direction by a push-push operation by a slider, So that insertion and withdrawing operations of the card can be performed more smoothly.

It is still another object of the present invention to provide a socket for a dual memory card having a contact which is prevented from being caught or interfered with by a contact when inserting or withdrawing a card or a nanosecond adapter.

It is still another object of the present invention to provide a socket for a dual memory card capable of minimizing the mounting area of a contact by forming a lead terminal receiving hole for receiving a lead terminal of a micro SIM card contact into a base.

It is another object of the present invention to provide a socket for a dual memory card having a structure capable of preventing reverse insertion of a micro SIM card.

According to another aspect of the present invention, there is provided a socket for a dual memory card, the socket having a first and a second contact attachment portion spaced forward and backward, Base; A first shell covering the upper surface of the first contact mounting portion of the base and allowing the first card to be inserted into the first insertion space which is a space between the base and the base; A first contact provided in the first contact mounting portion of the base and contacting the first card; A second shell covering an upper surface of the second contact mounting portion of the base and allowing a second card to be inserted into a second insertion space which is a space between the base and the base; A second contact provided at the second contact mounting portion of the base and contacting the second card; And a second card which is arranged to move in the front and rear direction on one side of the upper surface of the base and which is formed to abut the inside of the first card and is pushed backward by the card when the first card is pushed once, And a slider for pushing the first card forward when the first card is pushed, wherein the first and second cards are inserted and withdrawn in the same direction through the first and second insertion spaces .

Here, the first card may be a Micro SIM card, and the second card may be a Micro SD CARD.

Preferably, the first and second contacts are integrally formed in a front and rear direction, and the second contact positioned at the rear side is positioned above the first contact for coupling with the second contact attachment portion.

In addition, it is preferable that a lead terminal receiving hole for receiving the lead terminals of each first card contact bent downward in a plurality of rows is formed in the first contact attachment portion of the base.

In addition, a reverse insertion preventing surface is formed at one side edge of the first card to prevent reverse insertion of the first card, and a reverse insertion preventing jaw is formed inside the first contact attachment portion of the base corresponding to the reverse insertion preventing surface desirable.

In addition, the slider may include: a sliding portion formed in an elongated shape along the longitudinal direction; A cam portion formed outside the sliding portion; A locking part protruding from one side of the sliding part and abutting against an inner end of the first card; A protruding support portion protruding inwardly to the first card in the sliding portion; And an inner escaping groove portion in which the upper side of the projecting support portion is inserted and in which the support guide portion is located, and the support guide portion is an inner support guide portion, and the slider includes the inner support guide portion, It is preferable to move in the forward and backward directions in a state of being seated in the front side.

Further, it is preferable to further include an outer groove portion provided to be inserted into the outside of the sliding portion, wherein the shell further includes an outer support guide portion spaced apart in parallel with the inner support guide portion, and the outer support guide portion is located in the outer groove portion And the slider is moved in the forward and backward directions with the outer support guide portion being seated in the outer groove portion.

The cam further includes a cam groove portion provided to be inwardly inserted into the cam portion. The shell further includes a cam support guide portion spaced apart from the inner support guide portion. The cam support guide portion is located in the cam groove portion, And the slider is moved in the forward and backward directions with the cam support guide portion being seated in the cam groove portion.

In addition, the first contact includes a terminal having a connection fixing portion for connection, a first inclined portion extending from the connection fixing portion, and a contact portion for contacting the external terminal; A connecting portion integrally connected to the connection fixing portion at a side of the first inclined portion; A protrusion extending upward from the connection portion; A second inclined portion extending downward from the protruding portion; And an opening formed at the center of the protrusion so as to face the terminal.

Preferably, the terminal has an inner mouth portion formed to be inserted into the opening portion, and the inner mouth portion is inserted into the opening portion and positioned below the upper end height of the protrusion portion.

When the second inclined portion or the protruding portion is pressed downward, the terminal is moved downward as the connection portion is moved, and the downwardly protruding portion of the terminal is moved downward Is preferably moved.

According to the socket for a dual memory card according to the present invention as described above, two types of micro SIM card and micro SD card are inserted and withdrawn in one socket in the same direction, and the micro SIM card inserted downward The insertion and withdrawal are automatically performed by the push-push operation by the slider, thereby minimizing the mounting area and significantly reducing the cost.

Further, there is an effect that the escape section can be enlarged so as not to be caught or interrupted by the contactor when inserting or withdrawing the card or the tray (shim adapter).

In addition, there is also an effect that the lead terminal receiving hole for receiving the lead terminal of the micro SIM card contact can be formed inside the base to minimize the mounting area of the contact.

Further, it has an effect of preventing reverse insertion of the microsim card.

1 is a perspective view of a socket for a dual memory card according to the present invention.
FIG. 2 is a perspective view showing a state of use of a socket for a dual memory card according to the present invention.
3 is an exploded perspective view of a socket for a dual memory card according to the present invention.
4 is a plan view of Fig.
5 is a right side view of Fig.
6 is a longitudinal sectional view of a socket for a dual memory card according to the present invention.
7 is a plan view of a socket for a dual memory card according to the present invention, except for the first and second shells.
8 is a perspective view showing a state in which the socket for a dual memory card according to the present invention is prevented from being inserted into the first card slot.
9 is a perspective view showing a top surface of a socket structure for a dual memory card except a second shell of a socket for a dual memory card according to the present invention.
10 is a perspective view showing a bottom surface of a first shell of a socket for a dual memory card according to the present invention.
11 is a view showing a slider included in a socket for a dual memory card according to the present invention.
12 is a view showing a slider of a socket for a dual memory card according to the present invention.
13 and 14 are enlarged views of a first contact of a socket for a dual memory card according to the present invention.
15 is a side view of the first contact according to the present invention.

The present invention may be embodied in many other forms without departing from its spirit or essential characteristics. Accordingly, the embodiments of the present invention are to be considered in all respects as merely illustrative and not restrictive.

The terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms.

The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, .

On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

In the present application, the terms "comprises", "having", "having", and the like are intended to specify the presence of stated features, integers, steps, operations, components, Steps, operations, elements, components, or combinations of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

FIG. 1 is a perspective view of a socket for a dual memory card according to the present invention, FIG. 2 is a perspective view showing a socket for a dual memory card according to the present invention, FIG. Fig. 5 is a right side view of Fig. 1, Fig. 6 is a longitudinal sectional view of a socket for a dual memory card according to the present invention, Fig. 7 is a perspective view of a socket for a dual memory card according to the present invention, FIG. 8 is a perspective view showing a state in which the socket for a dual memory card according to the present invention is prevented from being inserted into the first card, and will be described for the sake of convenience. FIG.

1, the socket 1 for a dual memory card according to the present invention includes a base 10 on which first and second contact attachment portions 11 and 12 are formed, A second shell 30 covering the upper surface of the second contactor mounting portion 12, first and second contacts 50 and 60 and a slider (not shown) having a push- 40).

A feature of the present invention is that the first and second cards 2 and 3 are inserted into the first and second insertion spaces 70 and 80 formed by the base 10 and the first and second shells 20 and 30, The first card 2 inserted into the first insertion space 70 on the lower side is inserted into the first insertion space 70 in the same direction by the slider 40, and the insertion and withdrawal are automatically performed by the operation of "-push".

Of course, in the present specification, the micro SIM card and the micro SD card are described as the first and second cards respectively, but it goes without saying that the same can be applied to other types of SIM cards or SD cards.

The first and second contact attachment portions 11 and 12 are formed to be spaced apart from each other in the front and back directions, and the second contact attachment portion 12 And is located on the upper side of the first contact attachment portion 11. Here, the base 10 is preferably manufactured by molding an insulator such as a synthetic resin.

The first contact mounting portion 11 is a portion to which a first card contact 50 which is a plurality of microstrip contactors arranged in a front-back direction (two rows in the illustrated example) is coupled, and the second contact mounting portion 12 Is a portion to which the second card contactor 60, which is a micro SD card contact of a plurality of (in the illustrated example, one row), is joined.

The first and second contacts 50 and 60 may be integrally formed in a back and forth direction and the second contactor 60 located at the rear may be connected to the first contactor 50 ).

The first and second contacts 50 and 60 integrally formed are preferably coupled to the first and second contact mounting portions 11 and 12 of the base 10 by over molding, The invention is not limited to this, but it may be an interference fit, or may be joined or fastened by an adhesive or the like.

A lead terminal receiving hole 111 for receiving a lead terminal 51 of each first card contact 50 formed in a plurality of rows is formed at a central position of the first contact attachment portion 11 of the base 10, The lead terminals 51 are formed inside the lead terminal receiving holes 111 of the base so as to minimize the mounting area of the contacts.

On the other hand, a detec- tion switch lead 90 is provided at the rear end of the base 10 to detect insertion and withdrawal of the second card 3 as a micro SD card. 7, by using the electrically connected state of the fourth contact from the right among the second contacts 60 as the micro SD card and the detec- tion switch lead 90, for example, as shown in Fig. 7, So that it is possible to detect the insertion and withdrawal of the sheet.

The first shell 20 covers the upper surface of the first contact attachment portion 11 of the base 10 and is coupled to form a first insertion space 70 which is a space between the first shell 20 and the base 10, Thereby forming a space in which the first card 2 can be inserted and withdrawn.

At this time, coupling protrusions (not numbered) are formed on both sides of the base 10 so that the first shell 20 can be coupled to the base 10, and the first shells 20) are formed on both side surfaces thereof with a coupling hole (not numbered).

The second shell 30 covers the upper surface of the second contactor mounting portion 12 and is coupled to form a second insertion space 80 which is a space between the second shell 30 and the base 10 to form the second card 3 as a micro- Thereby forming a space into which the light guide plate can be inserted.

At this time, the second contact attachment portion 12 is a cut surface at its center, and on both sides thereof, the guide portion 121 is formed to be slightly higher than the upper surface of the first shell 20, (3) can be guided in the second insertion space (80).

Of course, coupling protrusions (not numbered) are formed on both sides of the base 10 so that the second shell 30 can be coupled to the rear end of the base 10, On both sides of the two shells 70, coupling holes (not numbered) are formed.

In this way, the second shell 30 for inserting the micro SD card 3 is located relatively higher than the first shell 10 for inserting the micro sim card 2, It is possible to minimize the mounting area even though the card is inserted.

8, the reverse insertion preventing surface 2-1 is formed at one side edge of the first card 2 so as to prevent reverse insertion of the first card 2 as the micro SIM card, A reverse insertion preventing tuck 112 is formed inside the base 10 corresponding to the reverse insertion preventing surface 2-1.

Therefore, the first card 2 as the micro-sim card can be inserted only in one predetermined direction by the reverse insertion preventing surface 2-1 and the reverse insertion preventing jaws 112. [

Therefore, when the first card 2 as the micro SIM card is erroneously inserted (see Fig. 8) by the user's carelessness, the reverse insertion preventing jaw 112 prevents the insertion of the micro SIM card 2, It is possible to effectively prevent a system error or a malfunction in advance by preventing the connection terminal 50 and the connection terminal (not given the reference numerals) of the first card 2 as the micro SIM card from being electrically connected.

FIG. 9 is a perspective view showing a top surface of a socket structure for a dual memory card except a second shell of a socket for a dual memory card according to the present invention, and FIG. 10 is a perspective view showing a bottom surface of a first shell of a socket for a dual memory card according to the present invention. Fig. 11 is a view showing a slider provided in a socket for a dual memory card according to the present invention, and Fig. 12 is a view showing a slider of a socket for a dual memory card according to the present invention, for convenience.

As shown in the figure, a slider 40, which is movable in the forward and backward direction, is movably disposed on one side of the first contact attachment portion 11 of the base 10, and the slider 40 includes a sliding portion And a cam portion 42 having an engaging portion 46 vertically protruding inward on one end side thereof and a heart cam formed on the opposite outer side. The cam portion 42 is interlocked with the pin rod 49 so that the push-push operation of the slider 40 is enabled.

The slider 40 is supported by the base 10 by the spring 48 and is pressed outward so that when the first card 2 as the micro SIM card is inserted along the upper surface of the base 10, And the slider 40 is moved inward. When the first card 2 is again pushed inward in the mounted state, the slider 40 is pushed outward by the spring 48 to discharge the first card 2 outwardly.

The first shell 20 is coupled to the upper surface of the base 10 and the slider 40. The plane of the first shell 20 basically presses the upper end of the slider 40 to prevent the slider 40 from being detached from the original position.

A slider support plate 52 is interposed between the base 10 and the slider 40 so that the slider 40 is supported by the base 10 so that the push- So that it can serve as a supporting plate.

The inner support guide portion 21, the cam support guide portion 23, and the outer support guide portion 25 are formed in a plate shape by bending the connecting portion of the first shell 20, So as to protrude in the longitudinal direction. At this time, grooves along the incision are formed, which are the inner bent groove 22, the cam bent groove 24, and the outer bent groove 26, respectively.

The inner support guide portion 21 and the outer support guide portion 25 are in contact with the inside and outside of the upper end surface of the sliding portion 44 of the slider 40 so as to be aligned with the front and rear paths of the sliding portion 44, The slider 40 is engaged with the cam groove portion 43 located on the outer side of the cam portion 42 so that the upper end of the sliding portion 44 is engaged with the inner support guide portion 21, The cam groove portion 43 on the outer side of the cam portion 42 is supported by the cam support guide portion 23 so as to be slidable.

Referring to FIG. 10, a pair of inner support guide portions 21 and a cam support guide portion 23 facing inward are provided, and an outer support guide portion 25 is formed to protrude in parallel to the outer side. The inner bending groove 22 is formed in accordance with the cutting and bending of the inner support guide portion 21 and the cam bending groove 24 is formed in accordance with the incision and bending of the cam support guide portion 23 and the outer support guide portion 25. [ And an outer bent groove 26 are formed. Each support guide part is partially cut and bent in the first shell 20 so as to extend along the forward and backward direction by a predetermined length and is formed in parallel.

11 and 12, the cam slider or the slider 40 includes a sliding portion 44 having a vertical wall which is elongated along the front-rear direction, and a locking portion 46 protruding vertically from the rear end side Respectively. The cam portion 42 formed with the heart cam is integrally formed on the opposite side of the sliding portion 44.

The sliding portion 44 forms a stepped double step structure. The upper portion is a recessed shape and the lower portion is a protruded shape. The upper portion constitutes an inner escape groove portion 45 and the lower portion constitutes a projecting support portion 47.

An inner support guide portion 21 of the shell 20 is vertically closely disposed and supported on the inner escape groove portion 45 and a step is formed in the inner escape groove portion 45 below the lower end portion of the inner support guide portion 21 A protruding support portion 47 is formed.

An outer side groove 41 is formed on the outer side of the sliding portion 44 and on the opposite side of the inner side support guide portion 21. The outer side support portion 25 is inserted and seated in the outer side groove 41. Thus, the sliding portion 44 is inserted in the form of a rail between the inner support guide portion 21 and the outer support guide portion 25, and is fixed without being detached from the inside or outside.

A cam groove portion 43 is further formed on the outer side of the cam portion 42 formed outside the sliding portion 44 and the cam support portion 23 is seated on the cam groove portion 43 so as to be slidably received .

The slider 40 includes an inner escape groove portion 45 and an outer groove portion 41 formed on the inner and outer sides of the sliding portion 44 and a cam groove portion 43 formed on the outer side of the cam portion 42, The guide portion 21, the outer support guide portion 25 and the cam support guide portion 23 are engaged with each other so as to assist sliding of the slider 40, It plays a role. The three support guide portions may be applied at the same time, and either one or two of them may be applied.

The protruding support portion 47 is formed at a lower portion of the inner escape groove portion 45 so as to protrude more than the thickness of the inner support guide portion 21.

FIGS. 13 and 14 are enlarged views of a first contact of a socket for a dual memory card according to the present invention, and FIG. 15 is a side view of the first contact according to the present invention.

In this embodiment, the first card 2 as a micro SIM card is not directly inserted into the first insertion space 70 of the first shell 20, but various adapters such as a Nano SIM adapter, And the push-push operation is performed in a state where the push-push operation is performed.

13 to 15, the first contact 50 includes a connection fixing portion 512 connected to the main body, a first inclined portion 514 inclined upwardly and extending therefrom, and a contact portion (516), which are positioned facing the opening (528).

And a second inclined portion 524 and a protruding portion 526 which are formed as a pair with the opening portion 528 interposed therebetween and the protruding portion 526 is inclined downward again And is integrally formed with the main body through the connection portion 529 so that the overall configuration and shape can be configured as one type that is not separated.

Each portion of the first contactor 50 has a first inclined portion 514 which is connected to the main body by the connection fixing portion 512 from the front side and is bent and rises upward and backward along the inclination. The contact portion 516, which is curvedly protruded from the first inclined portion 514 again, forms an upper end, and this portion is in contact with the contact piece of the SIM card to be a part for exchanging signals.

The contact portion 516 has a rising portion that rises more upward than a plane position of the first inclined portion 514 and a descending portion that curves in a direction in which the peak is formed again at the end of the rising portion. The end of the descending portion forms an inner end 518. A first inclined portion 514, a contact portion 516, and an inner end portion 518 are formed at the open portion 528 between the first inclined portion 514 and the second inclined portion 524, .

When the first card 2 is pulled in from the front to the rear side, the leading end pushes down the first inclined portion 514 and the contact portion 516 contacts the opening 528 , And the protrusion 526 is also moved downward.

Therefore, when the first card 2 is applied to various adapters such as a nano SIM adapter and the like, an inner end wall of the nano adapter is inserted into the first The state of the upper position is maintained in a state in which the contact member 50 is pushed further rearward than the contact member 50. At this time, if the nano-mesh adapter is pulled back to the front, the end wall first contacts the second inclined portion 524 before it touches the inner end portion 518 and presses it downward. The second inclined portion 524 pressed downward and the contact portion 516 connected to the second inclined portion 524 are also downwardly moved so that the inner end portion 518 descends further downward than the projecting portion 526, Thereby creating a path to be discharged. The forward and backward directions of the first contact 50 will be able to operate in the same manner even if they are changed by 180 degrees.

In this case, when the first inclined portion 514 side is pressed, the inner end portion 518 is escaped to the opening portion 528 side, and when the end wall is moved from the opposite side, The upper surface of the contact portion 516 and the first inclined portion 514 can be discharged. At this time, the inner end portion 518 is bent to be positioned lower than the upper end height of the projection portion 526 so as to be positioned in the opening portion 528.

According to this embodiment, it is possible to slide without a hook portion even if the angular configuration other than the face is moved from the front side or thereafter moved from the rear side.

The present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

1: socket for a dual memory card according to the present invention
2: first card 2-1: reverse insertion preventing surface
3: Second card
10: base 11. 12: first and second contact mounting portions
111: lead terminal receiving hole 112:
121: guide portion
20: first shell 21: inner support guide portion
22: inner bent groove 23: cam supporting guide portion
24: cam bending groove 25: outer support guide portion
26: Outer bending groove
30: Second shell
40: Slider 41: Outer groove
42: cam portion 43: cam groove portion
44: sliding portion 45: inner escape groove portion
46: Retaining part 47:
48: spring 49: pin rod
50: first contactor 51: lead terminal
52: slider support plate 60: second contact
70, 80: first and second insertion spaces
90: Detect switch reader

Claims (11)

Wherein the first and second contact-attachment portions are spaced apart from each other in the forward and backward directions, the second contact-attachment portion being positioned above the first contact-attachment portion;
A first shell covering the upper surface of the first contact mounting portion of the base and allowing the first card to be inserted into the first insertion space which is a space between the base and the base;
A first contact provided in the first contact mounting portion of the base and contacting the first card;
A second shell covering an upper surface of the second contact mounting portion of the base and allowing a second card to be inserted into a second insertion space which is a space between the base and the base;
A second contact provided at the second contact mounting portion of the base and contacting the second card; And
And a second card which is arranged to be moved in the forward and backward direction on one side of the upper surface of the base and is formed to abut the inside of the first card and is pushed backward by the card when the first card is pushed once, And a slider for pushing the first card forward when the card is pushed,
Wherein the first and second cards are inserted and withdrawn in the same direction through the first and second insertion spaces,
The first shell may further include an inner support guide part bent and extended partly downward along the front-rear direction,
The slider includes:
A sliding portion formed in an elongated shape along a longitudinal direction;
A cam portion formed outside the sliding portion;
A locking part protruding from one side of the sliding part and abutting against an inner end of the first card;
A protruding support portion protruding inwardly to the first card in the sliding portion; And
And an inner escaping groove portion in which the upper side of the projecting support portion is inserted and in which the inner support guide portion is located,
Wherein the slider is moved in the forward and backward directions with the inner support guide portion being seated in the inner escape groove portion.
The method according to claim 1,
Wherein the first card is a Micro SIM card, and the second card is a Micro SD CARD.
The method according to claim 1,
Wherein the first and second contacts are integrally formed in a front and rear direction, and a second contact positioned at the rear is positioned above the first contact for engagement with the second contact attachment portion. .
The method according to claim 1,
And a lead terminal receiving hole for receiving a lead terminal of each first card contact bent downward in a plurality of rows is formed in the first contact terminal mounting portion of the base.
The method according to claim 1,
An anti-insertion preventing surface is formed at one side edge of the first card to prevent reverse insertion of the first card, and a reverse insertion preventing jaw is formed inside the first contact attachment portion of the base corresponding to the reverse insertion preventing surface Sockets for dual memory cards.
delete The method according to claim 1,
Further comprising an outer groove portion provided so as to extend inwardly outwardly of the sliding portion,
The first shell further includes an outer support guide portion spaced apart from the inner support guide portion in parallel,
The outer support guide portion is located in the outer groove portion,
Wherein the slider is moved in the forward and backward directions with the outer support guide portion being seated in the outer groove portion.
8. The method of claim 1 or 7,
Further comprising a cam groove portion provided so as to be inserted into the outside of the cam portion,
The first shell further includes a cam support guide portion spaced apart from the inner support guide portion in parallel,
Wherein the cam support guide portion is located in the cam groove portion,
Wherein the slider is moved in the forward and backward directions with the cam support guide portion being seated in the cam groove portion.
The method according to claim 1,
The first contact comprises:
A terminal having a connection fixing portion for connection, a first inclined portion extending from the connection fixing portion, and a contact portion for contacting the external terminal;
A connecting portion integrally connected to the connection fixing portion at a side of the first inclined portion;
A protrusion extending upward from the connection portion;
A second inclined portion extending downward from the protruding portion; And
And an opening formed at a center of the protrusion to face the terminal.
10. The method of claim 9,
Wherein the terminal has an inner mouth portion formed to be inwardly directed toward the opening portion,
Wherein the inner mouth portion is inserted into the opening portion and positioned below an upper end height of the protrusion portion.
10. The method of claim 9,
Wherein the terminal has an inner mouth portion formed to be inwardly directed toward the opening portion,
Wherein the inner mouth portion is moved downward while the terminal is downwardly moved as the connecting portion is moved downward when the second inclined portion or the protruding portion is pressed downward.

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