KR101003207B1 - Dual memory card type soket of mobile phone - Google Patents

Abstract

The present invention provides a dual memory card type socket of a mobile communication terminal which inserts a micro SD card on the right side of the direction in which the SIM card is inserted, improves the malfunction of the locking means, and prevents the fly out of the micro SD card.

To this end, the present invention provides a housing in which the SIM card is received from the front to the rear, and the upper and lower storage spaces are respectively formed for receiving the micro SD card from one side to the other direction, and the upper and lower covers respectively covering the storage space. A SIM card connecting terminal arranged to be connected to the SIM card in an upper storage space, a micro SD card connecting terminal arranged to be connected to the micro SD card between a lower storage space, and a lower storage space among the storage spaces. It is installed and comprises a locking means for fixing the micro SD card, the micro SD card is inserted in the vertical right direction of the SIM card insertion direction, the SIM card and the micro SD card is mounted so as to overlap as much as possible inside the socket Minimize PCB footprint and height of socket do.

Mobile communication terminal dual memory card type socket, sliding slope, connection terminal, dome terminal, tension bar, leaf spring

Description

Dual memory card type soket of mobile phone

The present invention relates to a memory socket, and more particularly to a mobile communication terminal in which a SIM card is inserted at the front and a micro SD card is inserted at the right side, improving the malfunction of the locking means, and preventing the fly out of the micro SD card. Of the dual memory card type socket.

Mobile communication terminals are generally used are provided with a memory card for authentication of personal information and credit settlement, and a memory card for storing data when using various contents.

Among the above-mentioned memory cards, SIM cards, RUIM cards, Moneta cards, and bank-on cards are used as the memory cards used for authentication of personal information and credit settlement, and are used for storing data for various contents. Micro SD cards, smart media cards, memory sticks, X-Diction cards, and T-flash cards are used.

Among the memory cards, the authentication SIM card used for personal information and credit settlement is mounted on the mating surface of the back case where the battery pack is in close contact to reduce the risk of loss, so that the battery pack is not separated from the mobile terminal. The memory card is not replaceable, and a data memory card for storing data is mounted so that the memory card can be replaced directly from the side of the mobile communication terminal.

As described above, in the related art, a socket for fixing and connecting a memory card for authentication and a memory card for data is manufactured as a separate socket, and each socket is mounted at a corresponding position of a mobile communication terminal. Since the mounting space is required, it has been difficult to slim down and downsize the mobile communication terminal, and furthermore, the installation of components for adding new functions has been restricted.

Accordingly, in order to solve the above problems, a dual memory card type socket capable of simultaneously storing and storing an authentication memory card and a data memory card in one memory socket has been developed and used. 0100874 and 2005-0100875 have been disclosed under the name 'dual connection device for storage medium connection and a mobile communication terminal having the same'.

However, this conventional invention has been configured such that a memory card capable of storing data is inserted from the left side in the insertion direction of the authentication memory card. Therefore, when the data storage memory card is frequently detached to store data and the majority of people are right-handed, in order to remove or replace the memory card, the terminal is moved to the left hand while the terminal is in use. To solve this problem, a large number of users complain of inconvenience, but in order to improve the memory card, all the connection positions and insertion directions of the conventional sockets must be newly configured, and various types of terminals can be developed. Accordingly, there is a problem in the conventional products, as the development of a terminal in which the data storage microSD card is to be inserted to the right in the insertion direction of the authentication memory card is required.

In addition, the conventional memory card-type socket memory card locking means locks the microSD card to the insertion position by pressing the microSD card once, and then releases the locking to move the card to the eject position by pressing the second time. The mechanism includes a heart cam mechanism to facilitate the removal of the microSD card.

Figure 1 (a) is a plan view showing a moving process of the pin portion contacted to the conventional microSD card locking means.

According to the drawings, the pin portion 11 abutting on the guide groove of the locking means moves relatively from the first section 12a to the second section 12b as the heart cam is advanced by the insertion of the microSD card. It will move to the front bulkhead. Then, when the force is inserted into the micro SD card is inserted into the pin 11 is moved to the third section (12c) by the elastic force of the coil spring to play a role of fixing the micro SD card to the coupling terminal.

Then, if the micro SD card is pushed again, the pin 11 moves to the fourth section 12d, and when the force pushing the micro SD card is released, the pin 11 returns to the first section 12a again by the elastic force of the coil spring. The micro SD card can be easily taken out.

However, as shown in FIG. 1B, the pin portion 21 moves directly to the third section 22c without moving from the first section 22a to the second section 22b, and then the fourth section 22d. Returning to the first section 22a again through), a problem of a fixed defect in which the microSD card is not inserted into the coupling terminal frequently occurs even when the microSD card is inserted.

In addition, as shown in FIG. 1C, after the microSD card is inserted again, the pin unit 31 moves from the third section 32c to the fourth section 32d after the microSD card is pushed again. By moving back to the third section 32c, the microSD card was still locked, and thus there was a problem that the microSD card was not taken out from the coupling terminal.

On the other hand, even when the micro SD card is taken out, there is a problem of a fly out in which the card is intermittently detached from the memory card type socket and bounces out.

The present invention has been devised to solve the above-mentioned problems, and the micro SD of the SIM card has a second grounding terminal formed in a vertical direction by dividing the connecting terminal of the SIM card in a horizontal direction and a vertical direction of the SIM card in a domed fashion. Equipped with the card terminal inward so that the SIM card and micro SD card can be overlapped inside the socket as much as possible to minimize the PCB occupied area and height of the socket, and the dual terminal of the mobile communication terminal where the micro SD card is inserted from the right side of the SIM card insertion direction A memory card type socket is provided, and the edge of the upper boundary of the guide groove is sharply formed and protrudes to the left, and an inclined surface is formed between the third section and the fourth section where the pin portion moves, so that the microSD card can be easily stored or The purpose of providing a dual memory card-type socket of the mobile communication terminal to be taken out There.

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Another object of the present invention is to provide a dual memory card type socket of a mobile communication terminal which prevents a flyout by bending a lower surface cover of a portion corresponding to a rear portion of a fixed portion of the heart cam or forming a separate elastic portion on the rear portion of the rear portion. Is in.

In order to achieve the above object, the present invention provides a memory socket of a mobile communication terminal to which a SIM card and a MicroSD card are connected, wherein the SIM card is received from the front to the rear and the microSD card is connected. Is formed of a housing and a metal material having upper and lower accommodating spaces respectively accommodated in the right direction of the inserting direction of the SIM card, and the upper and lower covers covering the accommodating space, respectively, and connected to the SIM card in the upper accommodating space. A micro SD card connection terminal, a heart cam, a coil spring, and a pin rod, which are inserted and disposed from the left side of the SIM card insertion direction to be connected to the micro SD card between the SIM card connection terminal and the lower storage space arranged to And locking means for fixing the micro SD card; It characterized in that the chroman SD card is inserted in the vertical direction of the right SIM card is inserted correctly.

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In the above-described configuration, the housing is characterized in that the SIM card is easily inserted by forming a sliding inclined surface in front of the insertion space in which the SIM card is inserted.

In the above-described configuration, the SIM card connecting terminal is inserted into and disposed in a direction perpendicular to the direction in which the SIM card is inserted in the first connecting terminal and the SIM card is inserted in the opposite direction in which the SIM card is inserted into the housing, respectively. It is characterized by consisting of a connection terminal.

In the above-described configuration, the second connection terminal is a dome terminal having a shape in which the connecting portion is formed in a dome shape so as to be easily grounded with the sim card, and an inclined guide surface is provided on one surface so as to easily guide the leading end of the sim card. It is done.

In the above-described configuration, the micro SD card connection terminal is characterized in that the connecting portion of the outermost terminal is eccentric in the direction of the inner adjacent terminal.

In the above-described configuration, the guide groove formed in the heart cam is composed of the first section to the fourth section to which the pin rod moves and the upper boundary step and the lower boundary step partitioning the section, the upper boundary step is the left side It is formed sharply and protrudes to the left than the lower boundary step, and the lower boundary step is formed to protrude to the right side, and the third section and the fourth section are formed in the same plane, and a triangular slope is formed therebetween to prevent malfunction of the heart cam. Characterized in that.

In the above-described configuration, it is characterized in that it comprises a pair of switch terminals installed in the rear side of the direction in which the microSD card is accommodated in the lower storage space to detect the presence of the microSD card.

In the above configuration, a portion of the cover is bent to form a tension bar.

In the above-described configuration, the heart cam is composed of a fixing portion and the body portion, characterized in that the leaf spring is formed on the rear of the fixing portion.

Therefore, the present invention has an effect of easily inserting and extracting the micro SD card stored in the memory to be inserted in the right direction.

In addition, by dividing the SIM card terminal, two connection terminals are further added to the dual memory card type socket structure of the conventional mobile communication terminal having six connection terminals, and the overall size of the socket is the same, but not only the 6-pin structure but also the 8-pin structure. The doubt card can be connected.

In addition, the outer side of the micro SD card connection terminal is configured to maintain the shortest distance with the SIM card second connection terminal to minimize the PCB occupied area and height of the socket and has excellent ground reliability.

In addition, the microSD card is stably fixed to improve the problem that the conventional microSD card is not inserted into the coupling terminal, and the microSD card is stably extracted by pressing the microSD card again after the microSD card is inserted. have.

In addition, the second push of the micro SD card according to the push-pushing mechanism causes the fly cam to be detached from the micro SD card in the process of detaching the micro SD card from the mating terminal and to be adhered to the tip of the fixing groove of the micro SD card. The effect of preventing this is achieved.

In this embodiment, the memory card for authentication is described as a SIM card, and the memory card for data storage is described as a microSD card, but this is for convenience of description, and the memory card for authentication and data storage is not limited thereto.

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

2A and 2B are combined perspective views of a SIM card and a micro SD card of a dual memory card type socket of a mobile communication terminal according to an embodiment of the present invention, and FIGS. 3A and 3B are dual memories of a mobile communication terminal according to the present invention. An exploded perspective view of a card socket.

As shown in the accompanying drawings, the dual memory card-type socket of the mobile communication terminal according to an embodiment of the present invention in the socket of the mobile communication terminal to which the SIM card and the micro SD card, the SIM card 1 is the front In the rear and the upper and lower receiving spaces 101 and 102 for receiving the microSD card from one side to the other direction are formed of a housing 100 and a metal material, respectively, the storage spaces 101 and 102. And the micro SD card 2 between the upper and lower covers 200 and 300 to cover the SIM card connection terminal 400 and the lower storage space, respectively, to be connected to the SIM card in the upper storage space. Including a micro SD card connection terminal 500 is arranged to be connected, the locking means 600 is installed in the lower storage space 102 of the storage space to lock the micro SD card, Is done.

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Figure 4a is a perspective view from above of the housing of the dual memory card-type socket of the mobile communication terminal according to the present invention, Figure 4b is a cross-sectional view of the housing of the dual memory card-type socket of the mobile communication terminal according to the present invention from the AA direction, 5 is a perspective view from below of a housing of a dual memory card type socket of a mobile communication terminal according to the present invention;

The housing 100 is made of a synthetic resin material, and an upper portion of the housing 100 is formed to receive the SIM card 1 in a front-rear direction, and a micro SD card 2 for storing data. ) Is formed in the storage space 102 is detachably received from one side to the other direction.

In the accommodation space 101 in which the SIM card 1 is accommodated, the SIM card connection terminal 410, which will be described later, is inserted in a direction opposite to the insertion direction of the SIM card 1, and thus the SIM card is inserted into the SIM card 1. (1) and the inclined surface 411a of the connecting portion 411 of the terminal are not coupled and there is a risk of collision. To prevent this, a convex sliding inclined surface 106 is formed at the front in which the SIM card 1 is inserted, thereby connecting terminals. And to prevent a collision with 400.

The sliding inclined surface 106 is preferably configured to have a height that allows the SIM card 1 to be easily inserted in consideration of the difference in height between the upper cover 200 and the housing 100.

Therefore, as shown in FIG. 4B, the upper part of the SIM card 1 is slightly lifted by the sliding inclined surface 106 while being inserted into the socket so that the SIM card ground terminal can easily be grounded without colliding with the inclined surface of the connecting portion 401 of the SIM card ground terminal. Done.

Fixing protrusions 103 to which bent edges of the cover 200 are fixed are formed at both sides and the rear surface of the housing 100 to protrude. On one side of the rear wall of the upper storage space, a deeply mounted mounting hole 110c is formed to perform a function of forming a space in which the SIM card connection terminal 400 to be described later is welded to a substrate (not shown).

In addition, the housing 100 is formed with a first exposure hole 104 in which the SIM card 1 accommodated in the front-rear direction is exposed into the upper accommodating space 101, and at another position of the housing 100. A second exposure hole 105 is formed through which the micro SD card connection terminal 500 accommodated in the lower side receiving space 102 is exposed. The second exposure hole 105 is formed on the left side in the direction in which the SIM card 1 is inserted.

In addition, a pair of switch terminal fixing grooves 107 are formed in the lower accommodating space 102 so that the pair of switch terminals 700 are spaced apart in the left and right directions, and the lower accommodating space is provided at the rear side of the lower accommodating space. When the heart cam 610, which will be described later, is pushed to the right in the drawing at a position spaced apart from the rear side wall of the space, a flow preventing wall 110 is formed to protrude from the front and rear directions.

On the other hand, the deformation preventing protrusions 109 contacting the corner portions of the lower side cover 300 are protruded from one side bottom bottom rear edge of the housing 100 and are formed by the heat generated during the construction or soldering of the housing 100. When the front and rear edges of one side bottom surface of the housing 100 are wheel-worn, the anti-deformation protrusion 109 is caught by the edge of the lower cover 300 to prevent bending of the housing 100.

In this case, the deformation preventing protrusion 109 may be formed only at the rear side edge of the bottom surface of one side of the housing 100 as shown in the drawing, but may also be formed at the rear side edge of the bottom surface of the other side of the housing 100.

As shown in FIG. 3, the covers 200 and 300 respectively shield the storage spaces 101 and 102 formed in the upper and lower portions of the housing 100, and covers 200 and 300 in the housing 100. ) Are combined to form a space into which the card is inserted. The covers 200 and 300 are made of metal, and fixing protrusion fitting holes 202 into which the fixing protrusions of the housing 100 are fitted are formed at the bent edges of the covers 200 and 300, respectively.

The upper cover 200 is configured to form a concave groove 201 in the opposite direction in which the SIM card 1 is inserted so that the SIM card 1 can be easily removed by being pushed out by hand after being inserted.

6A and 6B are state diagrams in which connection terminals of SIM card 6 pins and 8 pins of the dual memory card type socket of the mobile communication terminal according to the present invention are coupled to a housing, and FIG. 7 is a dual view of the mobile communication terminal according to the present invention. Fig. 8 is a perspective view of the connection terminal of the memory card socket, and Fig. 8 is a partially enlarged view of the arrangement of the connection terminal of the second connection terminal and the microSD card.

The connection terminals 400 and 500 are respectively exposed to the upper accommodating space 101 and the lower accommodating space 102 so as to be connected to the SIM card 1 and the micro SD card 2, respectively. 400 and 500 are integrally formed with the housing 100 in a manufacturing process step.

The SIM card connection terminal 400 is positioned at both sides of each of the first connection terminal 410 having a six-pin structure and the micro SD card connection terminal 500 inserted in the vertical direction into which the SIM card 1 is inserted. It consists of a second connection terminal 420, the first connection terminal 410 is a welding portion 412 to be welded to the substrate and a connecting portion 413 formed extending in the insertion direction from the welding portion 412, the connection portion 413 It is formed at the end of the) is composed of a connecting portion 411 electrically connected to the SIM card (1). As described above, the connection part 411 may form a gentle inclined surface in the direction in which the SIM card 1 is inserted since there is a possibility of collision due to the entrance of the SIM card 1.

As the first connection terminal 410 is inserted in the right direction of the direction in which the SIM card 1 is inserted, the locking means 600 should be configured in the direction in which the SIM card 1 is inserted. The bar SIM card 1 is inserted into the housing 100 in the opposite direction in which it is inserted.

The welding part 412 of the first connection terminal 410 is inserted into and positioned in the mounting hole 110c of the housing as described above, so that the welding part 412 can be welded inside the socket to minimize the volume of the substrate (not shown). It is composed.

In addition, the dual card type socket of the mobile communication terminal according to an embodiment of the present invention is for connecting to the 8-pin SIM card 1 as shown, the conventional 6-pin SIM card 1 can be connected. The two-pin connection terminal is further provided in the socket of the structure. Therefore, the SIM card connection terminal 400 may be manufactured by configuring the first ground terminal 410 into 4 pins as well as the 8-pin SIM card can be connected, in this case, the overall size of the socket is the same In addition to the 6-pin structure, an 8-pin SIM card may be connected.

However, in the present invention, in order to insert the microSD card 2 from the right side, the insertion direction of the SIM card 1 is different from the conventional invention in which the SIM card 1 is the same direction as the insertion direction of the first connection terminal 410. Since the configuration is opposite to the insertion direction of the first connection terminal 410, both the SIM card 1 is the first connection terminal 410 and the second connection terminal 420 when the SIM card connection terminal 400 is 6-pin and 8-pin It is configured to be contacted by.

The second connection terminal 420 is inserted in the left direction perpendicular to the direction in which the SIM card 1 is inserted, and the connecting portion 421 of the SIM card 1 and the second connection terminal 420 inserted in the vertical direction. It is preferably formed in a dome shape 421 to prevent collision with the dome shape having an inclined surface 421a in the direction in which the SIM card 1 is inserted to facilitate grounding.

The micro SD card connection terminal 500 is inserted from the left side perpendicular to the direction in which the SIM card 1 is inserted, based on the drawing, and coupled to both sides of the 8-pin ground terminal 510 and the ground terminal 510. The SIM card second connection terminal 420 is formed, and the ground terminal 510 includes a welding part 511 welded to a substrate, a connection part 512 extending in an insertion direction from the welding part 511, and the connection part ( It is composed of a connecting portion 513 which is positioned at the end of the 512 and electrically connected to the micro SD card 2.

Looking at the positional relationship between the 8-pin micro SD card connection terminal 510 and the SIM card second connection terminal 420, the distance between the micro SD card connection terminal 510 and the SIM card second connection terminal 420 is close. The more the SIM card connection second terminal 420 and the SIM card 1 are grounded more effectively, the more effective the reliability of the product is. There is a problem that overlap occurs due to the minimum distance to 2) and the ground.

That is, the connecting portion 421 of the SIM card second connecting terminal 420 and the connecting portion 513 of the micro SD card connecting terminal 510 are fixed to connect to the SIM card 1 and the micro SD card 2, respectively. There is a position to be, but if it is disposed as it is, there is a problem that the connection portion 421 of the SIM card second connection terminal 420 and the connection portion 512 of the microSD card connection terminal 510 overlap.

Therefore, in the present invention, the connection terminal 510 located next to the center card second connection terminal 420 of the micro SD card connection terminal 500 has a welding portion 511 of the proximal terminal 510 in order to close the distance. Compared with the connection part 513, the connection part 512 of the terminal is eccentrically by L1 to the opposite side of the SIM card second terminal 420 to avoid overlapping with the SIM card second connection terminal 420, and the SIM card The connection portion 421 of the second connection terminal 420 and the connection portion 513 of the micro SD card connection terminal 510 are configured to be as close as possible to improve contact reliability.

Preferably, the distance between the micro SD card connection terminal 510 is uniformly formed with the distance between the welding part 511 and the connection part 513 to 1.1 mm, while the SD card close to the SIM card second terminal 420. The connection part 512 of the card connection terminal 510 may be eccentric to maintain a distance L1 of 0.7 to 0.9 mm from the connection part of the neighboring terminal, but is not limited thereto.

Therefore, the present invention is configured to minimize the PCB occupied area and height of the socket by mounting the SIM card (1) and the micro SD card (2) to overlap the maximum possible inside the socket.

9A and 9B are an exploded perspective view of a locking means of a dual memory card type socket of a mobile communication terminal according to the present invention and a state in which the locking means is housed in a housing, and FIG. 10 is a view of the mobile communication terminal according to the present invention. Schematic diagram showing the movement of the pin portion according to the guide groove of the heart cam of the dual memory card-type socket, Figure 11 is between the third section and the fourth section of the guide groove of the dual memory card-type socket of the mobile communication terminal according to the present invention The plan view of the heart cam in which the inclined surface was formed in this, the enlarged perspective view of the inclined surface, and sectional view seen from the CC direction.

The locking means 600 is to be installed in the lower side storage space 102 formed in the lower portion of the housing 100 to fix or release the micro SD card 2 accommodated in the lower side storage space 102, The heart cam 610 sliding left and right in the lower storage space 102, the coil spring 630 for pressing the heart cam 610 to one side, and the pin rod for fixing and unlocking the heart cam 610 620.

Here, the heart cam 610 is installed long left and right on the rear side in the lower side storage space 102 to slide left and right with the microSD card 2 when the microSD card 2 is inserted and taken out. The body portion 611 is formed in a heart shape and formed with a guide groove 612 in which one end of the pin rod 620 abuts and turns, and a groove formed at one side of the microSD card 2 at one end thereof. Fixing protrusion 614a is inserted into the (2a) is formed integrally with the fixing portion 614 integrally formed on one end of the body portion 611 so as to slide together with the microSD card (2), and the fixing portion ( It is formed of a first fitting protrusion 613 is formed to protrude to the other end of the 614, one end of the coil spring 630 is fitted.

The guide groove 612 formed on the body portion 611 is a groove formed so that the pin portion 621 of the pin rod 620 abuts and moves, and includes a first section 615a, a second section 615b, and a first section 615b. It is divided into three sections 615c and a fourth section 615d, and each of the sections 615a, 615b, 615c, and 615d includes a first step 616a, a second step 616b, and a third step ( 616c and a fourth step 616d are formed.

That is, the first step 616a is formed between the first section 615a and the second section 615b, and the second step 616b between the second section 615b and the third section 615c. A third step 616c is formed between the third section 615c and the fourth section 615d, and a fourth step 616d is formed between the fourth section 615d and the first section 615a.

Here, the steps 616a, 616b, 616c, and 616d are formed by varying the depths of the sections 615a, 615b, 615c, and 615d, and the pin rods are formed by the formation of the steps 616a, 616b, 616c, and 616d. The pin portion 621 of 620 rotates in the counterclockwise direction, and it is impossible to rotate in the reverse direction.

On the other hand, the guide groove 612 partitions the first to fourth sections and the lower boundary step 617 is formed with a pin fixing groove (617a) in which the lower portion is concave, the pin portion 621 of the pin rod 620 is accommodated and fixed. ) And a lower boundary stage 618 formed at a lower end of the upper boundary stage 617 to partition the second section, the third section, and the fourth section.

In addition, the upper boundary end 617 is formed to protrude to the left vertically extended compared to the lower boundary end 618, the pin fixing groove 617a is formed on the left side 617b with reference to the drawing sharply. .

Looking at the process of fixing the sliding heart cam 610 from the rear while the pin portion 621 of the pin rod 620 abuts on the guide groove 612 of the sliding heart cam 140 configured as described above with reference to the drawings. First, when the micro SD card 2 is inserted, the front end of the micro SD card 2 is engaged with the fixing part 614 of the sliding heart cam 610, and the sliding heart cam 610 is inserted into the locking groove of the micro SD card 2. The fixing protrusion 614a of () is inserted.

In this state, when the micro SD card 2 is press-fitted against the force of the coil spring 630, the micro SD card 2 and the sliding heart cam 610 move together in the micro SD card 2 press-in direction. The pin portion 621 of the pin rod 620 in contact with the guide groove 612 is changed in position.

That is, the pin part 621 moves from the first section 615a to the second section 615b. At this time, the pin portion 621 moves along the left side of the upper boundary step 617 because the pin section 621 moves to the second section 615b located on the left side relative to the first section 615a and receives the opposite force. And, the left side 617b of the pin fixing groove 617a described above is sharply formed so that the pin portion 621 moves to the second section 615b and does not move to the right until the end point of the left side 617b ends. After passing through the point where the left side 617b ends, it tries to move to the right side, but the upper boundary step 617 protrudes to the left side than the lower boundary step 618 so that it does not fall to the third section 615c. Since it is slid to the left side of the boundary end 618, it is moved to the second section 615b while passing through the first section 615a.

That is, a time delay effect is obtained by protruding the upper boundary end 617 to the left for the time when the pin portion 621 moves to the right side and moves to the third section 615c.

Therefore, when the pin portion 621 reaches the front partition wall of the second section 615b, the pin portion 621 is supported by the partition wall and can no longer move, and the sliding heart cam 610 also stops moving forward. do.

Next, when the force for pressing the micro SD card 2 is released, the pin portion 621 moves to the third section 615c along the boundary end, and the upper boundary end 617 protrudes to the left as described above. The first step 616a is configured to move to the third section 615c without returning to the first section 615a. Thus, the sliding heart cam 610 is accommodated in the pin fixing groove 617a is fixed to the rear.

Therefore, the micro SD card 2 locked to the sliding heart cam 610 is also located at the rear of the storage space 102 of the housing 100 at the same time, and is electrically connected to the connection terminal 400 to provide the printed circuit board and information. You can give and receive.

On the other hand, when the micro SD card 2 is pushed to take out the micro SD card 2, the pin portion 621 is moved to the partition wall of the fourth section 615d. At this time, the pin portion 621 receives the force to be raised by the elastic force of the coil spring 630 based on the drawing, while the guide groove 612 is bent to the right and is forced to the left to move forward and move to the left. One lower boundary end 618 is further protruded to the right on the vertical extension line so that the pin portion 621 does not move to the third section 615c, but slides to the right side of the upper boundary step 617 to the fourth section 615d. Only proceeds. This is the same mechanism as protruding the upper boundary step 617 to the left.

In addition, as shown in FIG. 11, the third section 615c and the fourth section 615d are configured in the same plane, and an artificial triangular slope 619 is additionally formed therebetween, so that the pin portion 621 has the triangular slope ( 619 may not be moved back to the third section 615c but may move to the fourth section 615d.

At this time, the triangular slope 619 has a different thickness as the direction from the third section (615c) to the fourth section (615d) so that the pin portion 621 from the third section (615c) to the fourth section (615d). The movement is easily movable by a relatively thin thickness, but the reverse direction is preferably configured to be unable to move by the high step of the triangular slope 619.

In addition, the triangular long side (619a) is formed extending in a vertical line from the lower boundary end 618 to the upper boundary end (617) so that the pin portion 621 is the fourth section 615d along the triangular long side (619a). It is preferable to configure so as not to return to the third section 615c again by moving to).

Therefore, the third section 615c and the fourth section 615d do not additionally constitute the stepped portion to achieve a slim thickness, and are configured to stably move the pin portion 621 to the fourth section 615d.

The coil spring 630 is installed on the rear side in the lower storage space 102 to the left and right to press the heart cam 610 in one direction, one end of the first fitting protrusion 613 of the heart cam 610 ) And the other end is fitted to the second fitting protrusion (110a) protruding from the right side wall of the lower storage space (102).

The coil spring 630 is compressed as the heart cam 610 slides upward in the drawing when the microSD card 2 is inserted, and then presses the microSD card 2 to detach the microSD card 2. By pushing the micro SD card 2 downward in the drawing by the restoring force, the micro SD card 2 is smoothly separated.

12A and 12B are a perspective view, a plan view, and an enlarged cross-sectional view of the elastic member of the micro SD card socket according to the present invention, formed by an elastic bar by bending a cover, and an enlarged cross-sectional view of the elastic member according to an embodiment of the present invention. Is a plan view composed of a leaf spring on the rear of the heart cam fixing portion.

The heart cam fixing part 614 is fully retracted to the rear by the push for taking out the micro SD card 2 and the micro SD card 2 is completely removed from the memory socket. This is called a fly-out phenomenon. And in order to prevent this may be configured to further relieve it by configuring an elastic member on the back of the fixing portion (614).

The elastic member is configured to slow the heart cam fixing portion 614 is pushed back, and for this purpose, the cover 300 is bent into a square corresponding to the heart cam 610 of the locking means as shown. To form the tension bar 303 on the rear surface 614a of the fixing portion of the heart cam 610.

At this time, in order to receive the elastic force by the tension bar 303, it is preferable to form the inclined surface 614b on the rear of the heart cam fixing part 614.

In addition, the elastic member is composed of a leaf spring 640 made of an elastic material on the back of the heart cam 610 '┎' or '┏┓' shape to push the micro SD card (2) elastic spring (630) The heart cam 610 may be configured to alleviate the phenomenon that the heart cam 610 is completely pushed back when the micro SD card 2 is momentarily separated and bounced.

Looking at the center of forming the tension bar 303 to prevent the fly out by the elastic member as described above,

When the micro SD card 2 is taken out, the micro SD card 2 is retracted by the elastic force of the coil spring 630. At this time, the fixing part 614 of the heart cam 610 and the fixing groove 2a of the micro SD card are removed. ) Will retreat while engaged.

At this time, the heart cam 610 is no longer retracted by the partition wall of the housing 100, the heart cam 610 is rotated to facilitate the take-out of the microSD card (2) at this time of the fixing portion 614 As the rear portion 614a pushes the tension bar to the right, the coupling between the fixing groove 2a of the memory card 2 and the fixing portion 614 of the heart cam 610 is separated.

Thereafter, the heart cam 610 is rotated again in the opposite direction rotated by the tension bar 303 bent in the lower cover 300 so that the fixing protrusion 614a of the heart cam fixing part 614 is a micro SD card ( It is in close contact with the top of the fixing groove (2a) of 2). Therefore, the micro SD card 2 does not bounce off due to the elastic force of the coil spring 630, and a predetermined portion is inserted into the socket 1 in close contact with the heart cam 610 to terminate the separation process.

That is, the micro SD card 2 is separated from the fixing part 614 by the push-pushing mechanism, but the elastic recoil of the elastic member such as the tension bar 303 or the leaf spring 640 installed at the rear of the heart cam 610 is reduced. It is configured to cancel the elastic force of the coil spring 630 transmitted to the micro SD card (2).

This shows the same configuration and effect as when the elastic member is composed of the leaf spring 640, the description of the leaf spring 640 will be omitted.

FIG. 14 is a perspective view of a switch terminal of a dual memory card type socket of a mobile communication terminal according to the present invention, and FIG. 15 is a micro view of a switch terminal of a dual memory card type socket of a mobile communication terminal according to the present invention coupled to a housing; Combined perspective view that combines with SD card.

In the above-described switch terminals 700 and 800, the micro SD card 2 inserted into the lower storage space 102 is installed on the right side of the lower storage space 102, ie, behind the moving direction of the micro SD card 2. Due to the connection between the microSD card 2 and the connection terminal 500 by detecting the microSD card 2 and transmitting a detection signal to a control unit (not shown) of the mobile communication terminal before being connected to the connection terminal 500. Malfunctions of other electronic circuits, including connection terminals, which may occur may be prevented in advance.

The switch terminals 700 and 800 are switch terminal fixing grooves 109 and 109 'which are formed to be spaced apart from each other back and forth on the rear side wall in the direction in which the microSD card 2 is accommodated in the lower storage space 102. Fixed parts 701 and 801 respectively fixed to the soldering parts 702 and horizontally formed at the lower ends of the fixed parts 701 and 801 and soldered to the contacts of the printed circuit board embedded in the mobile communication terminal. 802, and extending from one end of the fixing part 701, 801, respectively, and spaced back and forth on the advancing direction of the microSD card 2 in the lower storage space 102 so that the microSD card 2 is provided. It comprises a connecting portion 703, 803 which is pushed by the micro SD card 2 and connected to each other before being connected to the data connecting terminal 500.

The other end of the switch terminal 700, which is located in the forward direction of the microSD card 2 among the switch terminals 700 and 800, that is, the end of the connection portion 703 is wider than other portions. The contact area with the connecting portion 803 of the switch terminal 800 located at the rear side is expanded.

As described above, preferred embodiments of the present invention have been described with reference to the drawings, but this right is not limited to the above-described embodiments, but is defined by what is stated in the claims, and a person skilled in the art of the present invention It is obvious that various modifications and variations can be made within the scope of the claims.

1A to 1C are plan views of an operation state diagram and a malfunction 1,2 of a conventional push push mechanism.

2A and 2B are perspective views illustrating a combination of a SIM card and a micro SD card of a dual memory card type socket of a mobile communication terminal according to an exemplary embodiment of the present invention.

3A and 3B are exploded perspective views of a dual memory card type socket of a mobile communication terminal according to an embodiment of the present invention.

4A is a perspective view from above of a housing of a dual memory card type socket of a mobile communication terminal according to an embodiment of the present invention.

Figure 4b is a cross-sectional view seen from the AA side of the housing of the dual memory card-type socket of the mobile communication terminal according to the present invention.

5 is a perspective view from below of a housing of a dual memory card type socket of a mobile communication terminal according to the present invention;

6A and 6B are state diagrams in which a SIM card type 6 pin and an 8 pin connection terminal of a dual memory card type socket of a mobile communication terminal according to the present invention are coupled to a housing.

7 is a perspective view of a SIM card connection terminal and a micro SD card connection terminal of a dual memory card type socket of a mobile communication terminal according to the present invention.

8 is a partially enlarged view of the arrangement of the second connection terminal of the dual memory card-type socket of the mobile communication terminal and the connection terminal of the microSD card according to the present invention.

9A is an exploded perspective view of the locking means of the dual memory card type socket of the mobile communication terminal according to the present invention.

9B is a side view of the locking means of the dual memory card type socket of the mobile communication terminal according to the present invention coupled to the housing.

10 is a schematic diagram showing the movement of the pin unit according to the guide groove of the heart cam of the dual memory card-type socket of the mobile communication terminal according to the present invention.

11 is a plan view of a heart cam in which an inclined surface is formed between a third section and a fourth section of a guide groove of a dual memory card type socket of a mobile communication terminal according to the present invention, and an enlarged view and a cross-sectional view of the inclined surface in a CC direction; to be.

12A and 12B are perspective and enlarged views illustrating a tension bar formed by bending a bottom cover of a dual memory card type socket of a mobile communication terminal according to the present invention.

FIG. 13 is a plan view illustrating a leaf spring of a heart cam rear surface of a dual memory card type socket of a mobile communication terminal according to the present invention; FIG.

14 is a perspective view of a switch terminal of a dual memory card type socket of a mobile communication terminal according to the present invention.

FIG. 15 is a perspective view illustrating a coupling with a micro SD card in a state in which a switch terminal of a dual memory card type socket of a mobile communication terminal is coupled to a housing; FIG.

** Description of the major symbols in the drawings **

1: SIM card 2: MicroSD card

100: housing 106: sliding slope

200: upper cover 300: lower cover

400: SIM card connection terminal 410: First connection terminal

420: second connection terminal 421: dome terminal

500: microSD card connection terminal 512: connection

600: locking means 610: heart cam

612: guide groove 615: moving section of the pin portion

619: slope 621: pin portion

700: switch terminal

Claims (9)

In a memory socket of a mobile communication terminal to which a SIM card 1 and a MicroSD card 2 are connected, Upper and lower accommodating spaces 101 and 102 for accommodating the SIM card 1 from the front to the rear and the micro SD card 2 in the right direction of the insertion direction of the SIM card 1 are respectively provided. A formed housing 100; Upper and lower covers 200 and 300 formed of a metal material to cover the storage spaces 101 and 102, respectively; A sim card connection terminal 400 disposed in the upper accommodating space 101 so as to be connected to the sim card 1; A micro SD card connection terminal 500 inserted and disposed at a left side of the direction in which the SIM card 1 is inserted to be connected to the micro SD card 2 between the lower accommodation spaces 102; Heart cam 610, the coil spring 630, the pin rod 620, the locking means 600 for fixing the microSD card (2); including, the microSD card (2) Sim card (1) is inserted in the vertical right direction of the insertion direction, The heart cam 610 is composed of a body portion 611 and the fixing portion 614, the guide groove 612 is formed, the guide groove 612 is a first section 615a to which the pin rod 620 is moved. A fourth section 615d, an upper boundary step 617 partitioning the section 615, and a lower boundary step 618; The upper boundary end 617 is formed to have a sharp left side surface and protrudes to the left than the lower boundary end 618 and the lower boundary end 618 is formed to protrude to the right side, and the third section 615c and the fourth section. Dual memory card type socket of a mobile communication terminal, characterized in that the section 615d is formed in the same plane and a triangular slope 619 is formed therebetween to prevent malfunction of the heart cam 610. The method of claim 1, The housing 100 is a dual memory of the mobile communication terminal, characterized in that the SIM card 1 is inserted by forming a sliding inclined surface 106 in front of the insertion space 101 is inserted into the SIM card (1) Card socket. The method according to claim 1 or 2, The SIM card connection terminal 400 crosses perpendicularly to the direction in which the first connection terminal 410 and the SIM card 2 are inserted in the opposite direction in which the SIM card 1 is inserted into the housing 100, respectively. Dual memory card type socket of a mobile communication terminal, characterized in that consisting of a second connection terminal 420 inserted and arranged in the direction. The method of claim 3, The second connection terminal 420 has a domed shape so that the connection portion 421 is easily grounded with the SIM card 1, and an inclined guide surface 421a is installed on one surface to guide the tip of the SIM card 1. Dual memory card type socket of a mobile communication terminal, characterized in that the dome terminal of the shape. The method of claim 1, The micro SD card connection terminal 500 is a dual memory card type socket of a mobile communication terminal, characterized in that the connection portion 512 of the outermost terminal eccentric toward the inner adjacent terminal. In the dual memory card type socket of a mobile communication terminal comprising a; heart cam 610, a coil spring 630, a pin rod 620, locking means 600 for fixing the microSD card (2); , The heart cam 610 is composed of a body portion 611 and the fixing portion 614, the guide groove 612 is formed, the guide groove 612 is a first section 615a to which the pin rod 620 is moved. A fourth section 615d, an upper boundary step 617 partitioning the section 615, and a lower boundary step 618; The upper boundary end 617 is formed to sharply form the left side and protrude to the left than the lower boundary end 618 and the lower boundary end 618 to protrude to the right, the third section 615c and the fourth section. Dual memory card type socket of a mobile communication terminal, characterized in that the (615d) in the same plane and forming a triangular slope (619) therebetween to prevent malfunction. The method of claim 1, A pair of switch terminals 700 and 800 installed at a rear side of the lower side accommodating space 102 in a direction in which the micro SD card 2 is accommodated and detecting whether the micro SD card 2 is mounted thereon is provided. Dual memory card type socket of a mobile communication terminal, characterized in that made. The method of claim 1, Dual memory card type socket of a mobile communication terminal, characterized in that a portion of the cover 300 by bending a tension bar (303). The method of claim 1, The heart cam 610 is composed of a fixed portion 614 and the body portion 611, dual memory card type of the mobile communication terminal, characterized in that the leaf spring 640 is formed on the rear of the fixed portion 614 socket.

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