KR100698542B1 - Terminal's manufacturing method of dual card type connector of mobile phone - Google Patents

Abstract

A method for manufacturing a connecting terminal of a dual card type connector of a mobile communication terminal is provided to stably integrate connecting terminals having long length with a housing without modifying the connecting terminals having the long length in molding by manufacturing connecting terminals having the long length among connecting terminals to which a SIM(Subscriber Identity Module) card is connected in a state when the connecting terminals are mutually connected through a connecting part, integrating the manufactured connecting terminals with the housing by the molding, and cutting the connecting part. In a connecting terminal(400) to which a SIM card is connected among connecting terminals(400,500), a metal plate is cut and bent and a plurality of terminals(400a) having long length and a plurality of terminals having short length are formed with the first connecting plate(30) by one body. A plurality of the terminals(400a) having the long length is formed in a state when the terminals(400a) are mutually connected by a connecting part(40). The terminals(400a) formed with the first connecting plate(30) by one body are integrated with a housing by molding. The first connecting plate(30) is separated from the terminals(400a). The connecting part(40) is integrated with the housing through a stage for cutting the connecting part(40) by punching through an escape hole formed in the housing.

Description

Terminal terminal manufacturing method of dual card type connector of mobile communication terminal

1 is a perspective view of a dual card type connector of a mobile communication terminal according to an embodiment of the present invention.

Figure 2 is a perspective view of the bottom of Figure 1;

Figure 3 is an exploded perspective view showing a state disassembled the upper cover in Figure 1;

Figure 4 is an exploded perspective view showing a state in which the lower cover, the locking means, the switch terminal and the fitting nail in Figure 2 disassembled.

5 is a bottom view of FIG. 1.

6 is a perspective view of the housing shown in FIGS.

FIG. 7 is a perspective view of FIG. 6 viewed from below;

FIG. 8 is a process diagram illustrating a process of manufacturing the connection terminal illustrated in FIGS. 3 and 5 and integrating the housing.

9 is a view showing a process of inserting a tea flash card in the lower storage space of the housing.

10 is a process diagram illustrating a process of manufacturing a connection terminal and assembling into a housing by a manufacturing method according to another embodiment of the present invention.

<Description of Major Symbols in Drawing>

100: housing 101, 102: storage space

103; Fixed protrusion 110: flow preventing wall

111: escape space 113: deformation preventing projections

200, 300: cover 202: strength reinforcement

302: escape hole 400, 500: connection terminal

401, 501: connection part 402, 502: soldering part

600: locking means 601: heart cam

602: body 603: guide groove

604: engaging section 605: locking projection

607: elastic spring 608: pin rod

700, 800: Switch terminal

The present invention relates to a method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal, and more particularly, to manufacture moldings in which the long terminals of the connection terminals to which the SIM card is connected are connected to each other through a connection part. The present invention relates to a method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal which is to be integrated with a housing and then cut a connection by cutting.

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 memory cards mentioned above, SIM cards, RIM 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. Mini SD cards, smart media cards, memory sticks, X-Diction cards, and T-flash cards are used.

Among the memory cards, the authentication memory 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 communication 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, connectors for fixing and connecting an authentication memory card and a data memory card are separately manufactured and mounted at respective positions of a mobile communication terminal, and a mounting space for mounting each connector is required. As a result, there was a difficulty in slimming down and miniaturizing the mobile communication terminal, and further restricting the installation of components for adding new functions.

Thus, in order to solve the problems described above, a dual card type connector capable of simultaneously fixedly connecting an authentication memory card and a data memory card to one connector has been developed and used. Examples thereof include Korean Patent Application Laid-Open No. 2005-0100874 and No. 2005-0100875 has been disclosed under the name 'dual connection device for storage medium connection and a mobile communication terminal having the same'.

In the above-mentioned dual card type connector, the process of integrating the plurality of connection terminals connected to the memory card with the housing is an important step influencing the production capacity of the connector, so it is important to improve the work stability while minimizing the process. In particular, it is important to prevent the connection terminals from being deformed in the process of integrating the connection terminals with the housing.

Accordingly, the present invention is made to produce a long terminal of the connection terminal to which the SIM card is connected to each other through the connection portion and then integrated with the housing by molding and then cut the connection by cutting, the length at the time of molding It is an object of the present invention to provide a method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal, in which long connection terminals can be stably integrated with a housing without being deformed.

In order to achieve the object described above, the method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal according to the present invention includes a housing in which a SIM card is received from the front to the rear and a T-flash card is received from one side to the other, respectively. In the dual card type connector of a mobile communication terminal, a housing including spaces formed in upper and lower portions, and a connection terminal exposed to each storage space and connected to a SIM card and a T-flash card, respectively. The connection terminal connected to the card is formed by cutting and bending a metal plate to form a plurality of long terminals and a plurality of short terminals together with the first connecting plate, and to connect the plurality of long terminals to each other by the connection unit. Forming a state, and integrating the terminals integrally formed with the first connecting plate with the housing by molding; The technical feature is that the first connecting plate is integrated with the housing through separating the first connecting plate from the terminals and cutting the connecting portion by punching through the escape hole formed in the housing.

In the above-described manufacturing method, the connection terminal connected to the T-flash card of the connection terminal is formed by cutting and bending a metal plate to form a plurality of terminals integrally with the second connecting plate, and integrally formed with the second connecting plate The terminals are integrated with the housing by molding, and by separating the second connecting plate from the terminals.

In the above-described manufacturing method, the connection terminal connected to the T-flash card of the connection terminal, the step of cutting and bending the metal plate to form a plurality of terminals integrally with the third connecting plate, the terminal formed integrally with the third connection It may be integrated with the housing through inserting and fixing them in the assembly hole formed in the side of the housing, and separating the third connecting plate from the terminals.

Hereinafter, the features of the above-described configuration and its operation will be described in detail with reference to preferred embodiments of the method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal according to the present invention.

1 is a perspective view of a dual card type connector of a mobile communication terminal according to an embodiment of the present invention, FIG. 2 is a perspective view of FIG. 1 viewed from below, and FIG. 3 is an exploded top cover of FIG. Figure 4 is an exploded perspective view showing a state, Figure 4 is an exploded perspective view showing the disassembled lower cover, locking means, switch terminal and fitting nail in Figure 2, Figure 5 is a bottom view of Figure 1, Figure 6 1 to 5 are perspective views of the housing shown in FIG. 7, FIG. 7 is a perspective view of FIG. 6 viewed from the bottom, and FIG. 8 is a process diagram showing a process of manufacturing the connection terminals shown in FIGS. 3 and 5 and integrating the housing. 9 is a view illustrating a process of inserting a memory card into a lower accommodating space of the housing.

As shown in FIGS. 1 to 5, a connector including a connection terminal manufactured by a method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal according to an embodiment of the present invention includes storage spaces 101 and 102. ) Is formed in the upper and lower portions of the housing 100, the covers 200 and 300 respectively shielding the storage spaces 101 and 102 of the housing 100, and the storage spaces 101 and 102. Connecting terminals 400 and 500 respectively connected to the storage spaces 101 and 102, locking means for locking the T-flash card 20 in the lower storage space 102, and a lower storage space 102. A pair of switch terminals 700 and 800. And a fitting nail 900 for fixing the housing 100 to a printed circuit board embedded in the mobile communication terminal.

As shown in Figure 6 and 7, the housing 100 is made of a synthetic resin material, the upper portion is formed with a storage space 101, the SIM card 10 is detachably accommodated in the front and rear directions, The lower portion is formed with a receiving space 102 in which the tea flash card 20 for storing data is detachably received from one side to the other side.

In this case, fixing protrusions 103 to which the bent edges of the covers 200 and 300 are fixed are formed at both sides and the rear of the housing 100, respectively, and the lower side cover 300 is formed at the front end of the housing 100. Through hole 104 through which the bent edge of the front end of the through penetrating hole 104 is formed, the fixing projection 103 is fixed to the bent front edge of the lower cover 300 on one side wall of the through hole 104 Is formed to protrude.

In addition, a separation hole 105 is formed at one side of the rear wall of the upper storage space 101 to insert a sharp tool or nail and push the SIM card 10 stored in the upper storage space 101 to the front. do.

In addition, the housing 100 is formed with a first exposure hole 106 in which the connection portion of the authentication connection terminal 400 connected to the SIM card 10 accommodated in the front-rear direction is exposed into the upper storage space 101. In another position of the housing 100, the second exposure hole 107 where the connection portion of the data connection terminal 500 connected to the T-flash card 20 accommodated in the left and right directions is exposed into the lower storage space 102. ) Is formed.

On the other hand, before and after one side of the housing 100, the fitting nail fixing grooves 108, into which the fixing portion 901 of the fitting nail 900 to be described below is inserted and formed, are respectively formed.

In addition, a pair of switch terminal fixing grooves 109 and 109 'are formed on the right side wall of the lower storage space 102 so that the pair of switch terminals 700 and 800 are spaced apart in the left and right directions. On the rear side of the lower side storage space 102, the heart cam 601 is moved forward and backward when the heart cam 601 to be described later is pushed to the right in the drawing at a position spaced a predetermined distance from the rear side wall of the lower side storage space 102. A flow preventing wall 110 is formed to protrude to prevent flow.

In addition, one side of the lower storage space 102 into which the T-flash card 20 is inserted, the escape space 111 to which one end of the heart cam 601 may be pushed backward when the T-flash card 20 is inserted Is formed.

On the other hand, at one side bottom bottom rear edge of the housing 100, the anti-deformation protrusions 113 in contact with the corner portion of the lower side cover 300, respectively protruding to form a heat generated during the construction or soldering of the housing 100 As a result, when the front and rear edges of the bottom of the other side of the housing 100 are wheel-worn, the deformation preventing protrusion 113 is caught by the edge of the lower cover 300 to prevent the bending of the housing 100.

At this time, the deformation preventing protrusion 113 may be formed on the bottom edge of the rear side of the other side of the housing 100 as well as the bottom rear side edge of the one side of the housing 100 as shown in the figure.

As shown in FIGS. 1 to 4, the above-described covers 200 and 300 shield the storage spaces 101 and 102 formed on the upper and lower portions of the housing 100, respectively, and are made of metal and each cover ( The bent edges of the 200 and 300 are formed with fixing protrusion fitting holes 201 and 301 to which the fixing protrusion 103 of the housing 100 is fitted.

Here, one side of the lower cover 300, the escape hole 302 is formed so that the other end of the switch terminals 700 and 800 do not contact. If the switch terminal 800 is in contact with the lower cover 300 made of metal, it may not properly perform a function expected from the switch terminals 700 and 800 due to a poor connection.

In addition, at a predetermined position of the upper cover 200, 300, the strength reinforcement portion 202 that is pressed by forging to reinforce the strength of the cover 200 is integrally formed, wherein some of the strength reinforcement portion 202 is housed. It protrudes toward the space 101 and presses the SIM card 10 when the SIM card 10 is stored to prevent the SIM card 10 from being lifted.

As shown in FIGS. 2, 4, and 8, the above-described connection terminals 400 and 500 are exposed to the upper storage space 101 and the lower storage space 102, respectively, so that the SIM card 10 and Connected to the tea flash card 20, respectively, at one end of each of the connection terminals 400 and 500, connection portions 401 and 501 connected to the respective storage spaces 101 and 102 are formed, respectively. On the other end of the terminals 400 and 500, solder parts 402 and 502 soldered to the contacts of the printed circuit board embedded in the mobile communication terminal are bent downward.

At this time, each connection terminal 400, 500 is integrated with the housing 100 by molding.

As shown in FIGS. 4 and 9, the above-described locking means is installed in the lower side storage space 102 formed in the lower portion of the housing 100 and stored in the lower side storage space 102. By locking or unlocking, the heart cam 601 sliding left and right in the lower storage space 102, the elastic spring 607 for pressing the heart cam 601 to one side, and the heart cam 601 ) And a pin rod 608 to fix and release.

Here, the heart cam 601 is installed to the left and right in the rear side in the lower side storage space 102 to be slid left and right together with the tea flash card 20 when inserting and removing the tea flash card 20, Body portion 602 formed in the shape of a heart on the upper side of the guide groove 603, the one end of the pin rod 608 abuts and circumference, and the locking groove 20a formed on one side of the tea flash card 20 at one end The locking projection 605 is inserted into the engaging portion 604 formed integrally with one end of the body portion 602 to be slid together with the T-flash card 20, and the engaging portion 604 Is formed to protrude to the other end of the first fitting protrusion 606, one end of the elastic spring 607 is fitted.

The elastic spring 607 is installed on the rear side in the lower storage space 102 to the left and right to press the heart cam 601 in one direction, one end of the first fitting protrusion 606 of the heart cam 601. The other end is fitted to the second fitting protrusion 112 protruding from the right side wall of the lower storage space (102).

The elastic spring 607 is compressed as the heart cam 601 is slid to the right in the drawing when the T-flash card 20 is inserted, and then presses the T-flash card 20 to separate the T-flash card 20. By pushing the t-flash card 20 to the left in the drawing by the restoring force, the t-flash card 20 is separated smoothly.

One end of the pin rod 608 is bent downward to be pivotally fixed to one side wall of the lower storage space 102 and the other end is bent downward to be inserted into the guide groove 603 of the heart cam 601.

As shown in FIG. 4, the above-described switch terminals 700 and 800 have a tea flash card 20 inserted into the lower accommodating space 102 on the right side of the lower accommodating space 102, that is, a tea flash card ( The T-flash card 20 and the connection terminal by detecting the T-flash card 20 before being connected to the connection terminal 500 installed at the rear of the moving direction and transmitting the Kim-ji signal to the control unit (not shown) of the mobile communication terminal. Malfunctions of other electronic circuits, including the connection terminals, which may occur due to the connection of 500 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 T-flash card 20 is accommodated in the lower storage space 102. Soldering parts 702 and 802 which are horizontally formed at the lower ends of the fixing parts 701 and 801 fixed to the fixing parts 701 and 980 1 and soldered to the contacts of the printed circuit board embedded in the mobile communication terminal. ), And extending from one end of the fixing parts 701 and 801 and spaced apart from the front and rear on the traveling direction of the T-flash card 20 in the lower storage space 102 so that the T-flash card 20 is data. It comprises a connecting portion 703, 803 which is pushed by the T-flash card 20 and connected to each other before being connected to the dragon connection terminal 500.

The other end of the switch terminal 700 which is located in the forward direction of the T-flash card 20 among the switch terminals 700 and 800, that is, the end of the connection portion 703 is expanded as compared with other portions. The contact area with the connecting portion 803 of the switch terminal 800 located at the rear side is expanded.

2, 4 and 5, the above-described fitting nail 900 is to fix the housing 100 to a printed circuit board embedded in the mobile communication terminal, formed on one side front and rear of the housing 100. Inserted into the fixed nail fixing groove 108 is bent and the lower end is soldered to the printed circuit board.

One of the fitting nails 900 is in contact with the upper cover 200 and the other is in contact with the lower cover 300 so that static electricity generated in the covers 200 and 300 is grounded along the fitting nail 900. do.

Hereinafter, the operation of the dual card type connector of the mobile communication terminal according to an embodiment of the present invention configured as described above will be described in detail.

First, the cover 200, 300, the locking means, the switch terminal 700, 800 and the fitting nail 900, etc., which are the main components of the connector according to the present invention, are separately manufactured and assembled, but the housing 100 And the connection terminals 400 and 500 are integrated by molding.

At this time, each connection terminal 400, 500 is manufactured through the process of punching and bending the metal plate and then integrated with the housing and molding.

The connection terminal 400 connected to the center card 10 of the connection terminals 400 and 500 may cut and bend the metal plate as shown in FIG. 8A to integrate the connection terminal 400 and the connection plate 30. Molding In this case, the long connection terminals 400a may be connected to each other by the connection part 40 to prevent deformation during molding.

In addition, the connection terminal 500 connected to the T-flash card 20 is formed by cutting and bending a metal plate as shown in FIG. 8A to integrally form the connection terminal 500 and the connection plate 50.

As such, after forming the connecting terminals 400 and 500, the housing 100 and the connecting terminals 400 and 500 are integrated through molding as shown in FIG. 8 (b), and then the connecting plates 30 and 50 are formed. ) Is separated from the connection terminal 400, and connected between the long connection terminal 400a through the escape hole 302 formed in the housing 100 as shown in (c) and (d) of FIG. By cutting the connection portion 40 by punching, the manufacture of the connection terminals 400 and 500 and the housing 100 is completed.

Then, the locking means and the switch terminals 700 and 800 in the lower storage space 102 before covering the cover 200 and 300 to the upper and lower storage spaces 101 and 102 of the housing 100. After each installation, the cover 200, 300 by shielding the upper and lower storage space 101, 102, respectively, and fixing the fitting nail 90 to the fitting nail fixing groove 108, respectively, Assembly of the connector according to the invention is all completed.

As such, when all of the connectors are assembled, the soldering portions 402 and 502 of the connection terminals 400 and 500 are soldered to the contacts of the printed circuit board installed in the mobile communication terminal, respectively, and the fitting nails 90 Installation of the connector is completed by soldering the soldering portions 402 and 502 on the printed circuit board.

As described above, the process of inserting the storage spaces 101 and 102 in the state where the installation of the connector according to the present invention is completed will be described. First, the SIM card 10 is completely inserted into the upper storage space 101 so that the upper storage space is inserted. It is connected to the connection terminal 400 exposed to 101.

And, the tea flash card 20 is inserted into the lower storage space 102, as shown in (a) of Figure 9, when the tea flash card 20 is inserted into the lower storage space 102, As shown in 9 (b), one end of the heart cam 601 of the locking means is pushed into the escape space 111 by the tea flash card 20, and as shown in (c) of FIG. When the locking projection 605 of the heart cam 601 is inserted into the locking groove 20a formed at the side of the flash card 20, the heart cam 601 is returned to its original state and stored together with the tea flash card 20 at the lower side thereof. It is slid into the space 102.

As shown in (c) of FIG. 9, the pair of switch terminals 700 and 800 are connected to the T-flash card 20 by the T-flash card 20. By connecting to each other while being pushed in the advancing direction, the connection signal is transmitted to the controller in advance, thereby preventing malfunction of other devices that may be generated due to the connection of the T-flash card 20 and the connection terminal 500.

Then, as shown in (d) of FIG. 9, when the T-flash card 20 is completely inserted into the lower storage space 102, the other end of the pin rod 608 of the locking means guides the heart cam 601. As the T-flash card 20 is locked as the locking groove 20a formed at the front end of the groove 603 is locked, a force acts in a direction in which the elastic force of the elastic spring 607 separates the T-flash card 20. Even if the tea flash card 20 is not separated.

As such, the T-flash card 20 is connected to the connection terminal 500 which is locked and exposed into the lower storage space 102.

On the other hand, if you want to separate each of the storage space (101, 102), the SIM card 10 is separated from the upper storage space 101 by holding and removing by hand, the tea flash card 20, the lower side When the other end of the pin rod 608 is separated from the locking groove 20a by being pushed into the storage space 102, the lower end of the pin rod 608 is separated from the lower storage space 102 by the restoring force of the elastic spring 607.

10 of the accompanying drawings is a process diagram showing a process of manufacturing a connection terminal by the manufacturing method according to another embodiment of the present invention and assembling into a housing. Here, the same reference numerals as those in Figs. 1 to 9 are the same members having the same function.

As shown in FIG. 10, according to the method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal according to another embodiment of the present invention, the authentication connection terminal 400 connected to the SIM card 10 may include the present invention. It is integrated with the housing 100 by molding as in one embodiment.

The connection terminal 500 connected to the T-flash card 20 is formed by cutting and bending a metal plate as shown in FIG. 10A to integrally form the connection terminal 500 and the connection plate 50. The connection terminals 500 are inserted into and fixed to the assembly hole 114 formed at the side of the housing 100, and then separated from the connecting plate 50, thereby being integrated with the housing 100.

As described above with reference to the accompanying drawings, a method for manufacturing a connection terminal of a dual card type connector of a mobile communication terminal according to the preferred embodiments of the present invention, the present invention is limited to the embodiments and drawings described in detail herein. However, various modifications may be made without departing from the spirit of the invention.

According to the method for manufacturing a connection terminal of a dual card type connector of the present invention configured as described above, in the process of manufacturing a connection terminal for authentication, manufactured by connecting the long connection terminals with a connection part and then molding. By integrating with the housing and cutting the connection part by punching through the escape hole formed in the housing, the long connecting terminals can be secured without deformation and stably integrated with the housing when molding, thus ensuring the stability of work and improving the processing capability. You can.

Claims (3)

SIM card is housed from the front to the rear and the T-Flash card (T-Flash card) is housed in each of the upper and lower storage spaces are respectively accommodated in the other direction, the connecting portion into the respective storage spaces In the dual card type connector of the mobile communication terminal comprising a connection terminal exposed and connected to each of the memory card, Among the connection terminals, a connection terminal connected to the SIM card may be formed by cutting and bending a metal plate to form a plurality of long terminals and a plurality of short terminals integrally with the first connecting plate. Forming them connected to each other by a connecting portion, integrating the terminals integrally formed with the first connecting plate with a housing by molding, separating the first connecting plate from the terminals, and The method of manufacturing a connection terminal of a dual card type connector of a mobile communication terminal, characterized in that it is integrated with the housing through the step of punching the connecting portion through the escape hole formed in the housing. The method of claim 1, Among the connection terminals, a connection terminal connected to the T-flash card may include cutting and bending a metal plate to form a plurality of terminals integrally with the second connection plate, and molding the terminals integrally formed with the second connection plate. And integrating with the housing by integrating the housing with the housing and separating the second connecting plate from the terminals. The method of claim 1, Among the connection terminals, a connection terminal connected to the T-flash card may include cutting and bending a metal plate to form a plurality of terminals integrally with a third connecting plate, and forming terminals integrally with the third connection of the housing. Inserting and fixing in the assembly hole formed in the side portion, and separating the third connecting plate from the terminals, the method of manufacturing a terminal of a dual card type connector of a mobile communication terminal, characterized in that it is integrated with the housing.

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