KR20110041384A - Waterproof structure for portable terminal - Google Patents

Abstract

PURPOSE: A waterproof structure of a portable terminal is provided to connect circuit apparatuses which are respectively installed to a housing and to improve reliability of a portable terminal. CONSTITUTION: A flexible printed circuit(102) is inserted to the inside of a second housing from a first housing. A wiring hole(115) is formed in a housing. The wiring hole offers a route that the flexible printed circuit passes through. A waterproof member is offered on the wiring hole. The waterproof member adheres closely to the outer circumference of the flexible printed circuit by adhering closely to the inner wall of housings.

Description

WATERPROOF STRUCTURE FOR PORTABLE TERMINAL}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable terminal, and more particularly, to a waterproof structure provided in a wiring for connecting circuit devices provided in each of the housings with each other in a portable terminal having a pair of housings.

In general, a portable terminal generally refers to a device that a user can carry and communicate with a mobile communication service company or a counterpart user, and not only a communication device that provides such a mobile communication function, but also a specific function. Include, for example, electronic notebooks, portable game consoles, portable multimedia players.

Such portable terminals may be classified into bar, flip, clamshell, and sliding terminals according to their appearance.

The bar terminal is a simple structure in which all the input / output devices are installed in one housing. Recently, a keypad and a display device are implemented by using a touch screen, and a transmitter, a receiver, and the like are disposed on both sides of the touch screen. With the advent of terminals, communication and multimedia functions can be conveniently used through a single terminal.

Flip type terminal has a structure that prevents malfunction of the input device by installing a flip that opens and closes an input device such as a keypad in a bar type terminal, or enables an input / output device citing a touch screen, and the flip type terminal is gradually disappearing. to be.

The folding type or sliding type terminal is portable in a state in which a pair of housings overlap each other, and is configured to be opened and closed by a user unfolding or slidingly moving one housing with respect to the other housing as necessary. Since the foldable and sliding terminal is composed of a pair of housings, the layout of the input / output device can be varied, and the portable terminals can be carried by overlapping the housings.

As the multimedia contents provided through the mobile terminal such as mobile communication service and game, video, broadcasting, etc. using the portable terminal have been diversified, the use of the portable terminal regardless of gender, age and age has become common. The popularity of portable terminals has gone beyond just using services provided through portable terminals, and more and more users use the portable terminals themselves as ornaments.

As portable terminals are always carried and used by some users as accessories, interest in the waterproofing of life of portable terminals is increasing. In the case of a terminal composed of only one housing, such as a bar-type terminal, a sealing member such as a double-sided tape or a gasket may be used only at a junction part of the cases constituting the housing, a window part installed at a position corresponding to the display device, and a junction part of the case. The waterproof structure can be provided, of course, it is obvious that the speaker phone or the microphone must also be provided with a separate waterproof structure.

On the other hand, like a clamshell terminal, a terminal composed of a pair of housings connects the circuit devices installed in each housing to each other using a flexible printed circuit, which is waterproof in the path for wiring the flexible printed circuit. There are many difficulties in providing the structure.

Accordingly, the present invention is to provide a waterproof structure in the wiring path of the flexible printed circuit connecting the circuit devices installed in each of the housing in the portable terminal consisting of at least one pair of housings.

In addition, the present invention is to provide a waterproof structure that can improve the reliability of the portable terminal consisting of at least a pair of housings.

Accordingly, the present invention provides a portable terminal having at least one pair of housings.

A flexible printed circuit which is drawn out from the inside of a first of the housings and into the second housing;

A wiring hole formed in each of the housings to provide a path through which the flexible printed circuit passes; And

A waterproof member provided on the wiring hole to be in close contact with at least inner walls of the housings and to be in close contact with an outer circumferential surface of the flexible printed circuit;

The waterproof member discloses a waterproof structure of a portable terminal whose outer peripheral surface is in close contact with the periphery of the inlet of the wiring hole or the inner wall of the wiring hole.

In addition, the present invention is a portable terminal having at least one pair of housings,

A flexible printed circuit connecting the circuit devices provided in the housings with each other;

Wiring holes formed on one surface of each of the housings; And

A waterproof member provided on the wiring hole to be in close contact with at least inner walls of the housings and to be in close contact with an outer circumferential surface of the flexible printed circuit;

The waterproof member has an outer circumferential surface thereof provided around the inlet of the wiring hole, and both ends of the flexible printed circuit are in close contact with the waterproof member at the outer surfaces of the housings, respectively, and the waterproof structure of the portable terminal closes the wiring hole. Initiate.

In addition, the present invention is a portable terminal having at least one pair of housings,

A flexible printed circuit connecting the circuit devices provided in the housings with each other, the connector having at least one connector member;

A wiring hole formed in at least one of the housings;

An accommodation groove formed around the wiring hole at an outer side surface of the housing;

A first waterproof member provided at one end of the flexible printed circuit and surrounding the connector member; And

A second waterproof member provided on an outer circumferential surface of the first waterproof member,

The connector member is connected to the inside of the housing through the wiring hole on the outer side surface of the housing, and the second waterproof member is connected to the inside of the housing through the wiring hole. A waterproof structure of a portable terminal sealing between a waterproof member and an inner wall of the receiving groove is disclosed.

The waterproof structure of the portable terminal configured as described above may provide a waterproof member between the housing of the portable terminal and a flexible printed circuit drawn in or out from the outside of the housing to improve the waterproof function of the terminal. have. As a result, moisture or moisture is prevented from entering the inside of the housing of the terminal, thereby improving the reliability of the terminal.

1 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a first embodiment of the present invention;
2 is an assembled perspective view illustrating a waterproof structure of the portable terminal illustrated in FIG. 1;
FIG. 3A is a perspective view illustrating a partially cut waterproof structure of a portable terminal along a line A shown in FIG. 2;
FIG. 3B is a perspective view showing a partially cut waterproof structure of the portable terminal along the line B shown in FIG.
4 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a second embodiment of the present invention;
FIG. 5 is a perspective view of a housing partially cut out of a waterproof structure of the portable terminal illustrated in FIG. 4;
6 is a perspective view showing a part of the waterproof member of the waterproof structure of the portable terminal shown in FIG.
7 is an assembled perspective view illustrating a waterproof structure of the portable terminal illustrated in FIG. 4;
FIG. 8 is a perspective view illustrating a partially cut waterproof structure of a portable terminal along a line C shown in FIG. 7;
9 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a third embodiment of the present invention;
10 is an assembled perspective view illustrating a waterproof structure of the portable terminal illustrated in FIG. 9;
FIG. 11 is an exploded perspective view illustrating a waterproof member of the waterproof structure of the portable terminal shown in FIG. 9;
12 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a fourth embodiment of the present invention;
FIG. 13 is a sectional configuration view showing an example of a portable terminal to which the waterproof structure shown in FIG. 9 is applied;
FIG. 14 is a cross-sectional view illustrating a state in which housings of the portable terminal illustrated in FIG. 13 are folded;
15 and 16 are enlarged views of the waterproof structure of the portable terminal illustrated in FIG. 14;
17 to 19 are views each showing a modified example of the waterproof structure shown in FIG.
20 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a fifth embodiment of the present invention;
FIG. 21 is an assembled perspective view illustrating a part of the waterproof structure of the portable terminal shown in FIG. 20;
22 is an exploded perspective view illustrating a waterproof structure of a portable terminal according to a sixth embodiment of the present invention;
FIG. 23 is an exploded perspective view illustrating a flexible printed circuit of the portable terminal shown in FIG. 22;
FIG. 24 is an assembled perspective view illustrating the flexible printed circuit of FIG. 23;
25 is a cross-sectional view showing a waterproof structure of the portable terminal shown in FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, if it is determined that the detailed description of the related known function or configuration may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 to 3B, the waterproof structure 100 of the portable terminal (not shown) according to the first preferred embodiment of the present invention has a waterproof member that is in close contact with the outer circumferential surface of the flexible printed circuit 102. By being in close contact with the inlet of the wiring hole 115 formed in the 101, it is made by sealing between the flexible printed circuit 102 and the wiring hole 115. In this case, the terminal is composed of at least one pair of housings, and the flexible printed circuit 102 is for connecting circuit devices installed in the respective housings to each other.

The housing 101 is for accommodating various circuit devices such as a control circuit, a communication circuit, and a storage device in the inner space 119, and is coupled with another housing not shown to form a portable terminal. An inner side surface of the housing 101 is provided with a partition wall forming the internal space 119, and an accommodation partition 111 is formed to accommodate the waterproof member 113. That is, the accommodation groove 113 means a space surrounded by the accommodation partition 111.

A wiring hole 115 that provides a wiring path of the flexible printed circuit 102 is formed in the accommodation partition 111. The wiring hole 115 extends from the receiving groove 113 and is connected to the internal space 119 of the housing 101. That is, the flexible printed circuit 102 is introduced into the internal space 119 of the housing 101 from the outside through the wiring hole 115 or from the internal space 119 of the housing 101 to the outside. It is withdrawn.

In addition, the receiving partition 111 is formed with a through hole 117 extending from the receiving groove 113 and connected to the outside. The through hole 117 also provides a path through which the flexible printed circuit 102 is wired similarly to the wiring hole 115. In order to install the waterproof member, in the present embodiment, since the accommodation partition 111 is formed to provide the accommodation groove 113, the through hole 117 providing a wiring path of the flexible printed circuit 102. It is an additional formation. As a result, the flexible printed circuit 102 passes through the through hole 117, the receiving groove 113, and the wiring hole 115 sequentially from the outside and enters the inside of the housing 101, or vice versa. It is drawn out from the inside of the housing 101 to the outside.

The waterproof member includes first and second sealing members 121a and 121b accommodated in the receiving groove 113, and the first and second sealing members 121a and 121b are disposed in the receiving groove 113. It may further include a clamp 123 to be fixed and in close contact therein. The first and second sealing members 121a and 121b are made of a material having elasticity, for example, silicon or urethane, and are accommodated in the receiving groove 113 in a state of facing each other, so that the flexible printed circuit 102 It is in close contact with both sides of). At this time, it is preferable that the sizes of the first and second sealing members 121a and 121b are made larger than the sizes of the receiving grooves 113. When the first and second sealing members 121a and 121b are accommodated in the accommodating groove 113, the outer peripheral surface of the first and second sealing members 121a and 121b adheres to the inner wall of the accommodating groove 113 and the flexible printed circuit ( This is because the waterproof performance can be improved by being in close contact with both surfaces of the 102. Consequently, the surfaces of the first and second sealing members 121a and 121b face each other on both sides of the flexible printed circuit 102. At the same time, one side thereof is in close contact with the inlet circumference of the wiring hole 115.

Meanwhile, at least one of the first and second sealing members 121a and 121b may be provided integrally with the housing 101 by double injection, and at this time, the sealing member may be integrally provided with the housing 101. Will be installed in a state attached to the bottom surface of the receiving groove 113 and a portion around the inlet of the wiring hole 115.

The clamp 123 is fastened to the housing 101 by fastening means 125 such as a screw. The clamp 123 presses the second sealing member 121b to be in close contact with the first sealing member 121a in a state of being bound to the housing 101, thereby allowing the second sealing member 113 to be separated from the receiving groove 113. It is possible to prevent the sealing member 121b from detaching and to improve the waterproof performance.

4 to 8, the waterproof structure 200 of the portable terminal according to the second preferred embodiment of the present invention is the same as the preceding embodiment in that the waterproof member 203 is disposed inside the wiring hole 215. There is a difference.

In the waterproof structure 200 of the portable terminal according to the present embodiment, a partition 211 forming an inner space 219 for accommodating circuit devices is formed on an inner side surface of the housing 201, and the partition 211 is formed. A protruding portion 213 extending outwardly from an outer side surface thereof. In this case, the protrusion 213 may not necessarily extend from the outer side surface of the barrier rib 211, and may extend from the inner side surface of the barrier rib 211 to the inner space 219. The wiring hole 215 penetrates the protrusion 213 and extends from the outside into the inner space 219 of the housing 201 to provide a wiring path of the flexible printed circuit 202.

The waterproof member 203 includes a body portion 231 and a waterproof portion 235. At this time, the body portion 231 is located on the outer surface of the partition 211, the waterproof portion 235 is inserted into the wiring hole 213.

The body portion 235 is made of a synthetic resin having a flat plate shape having a rigidity, and the waterproof portion 235 is elongated from the inner surface of the body portion 231 and inserted into the wiring hole 215. In this case, the waterproof part 235 is made of a material having elasticity, for example, silicon or urethane. The waterproof member 203 is formed with a slit 233 penetrating the waterproof portion 235 from the body portion 231, and the flexible printed circuit 202 is coupled to pass through the slit 233. do.

The waterproof part 235 is formed to be larger than the wiring hole 215 so that the outer circumferential surface of the wiring hole 215 is in close contact with the inner wall of the wiring hole 215, and the inner wall of the slit 233 is Preferably, the flexible printed circuits 202 are in close contact with both sides of the flexible printed circuit 202. This is to improve the waterproof performance in the wiring hole 215. 6 and 8, in the present embodiment, sealing protrusions 239a and 239b are formed on the outer circumferential surface of the waterproof part 235 and the inner wall of the slit 233, respectively, and the ends thereof are respectively formed. The inner wall of the wiring hole 215 and the both sides of the flexible printed circuit 102 are in close contact with each other. The sealing protrusions 239a formed on the outer circumferential surface of the waterproof part 235 are exemplarily illustrated in which three seal protrusions 239 are formed around the waterproof part 235. At this time, the number of the sealing protrusions 239a may be variously changed in consideration of the required waterproof performance, the length of the waterproof portion 235, and the like.

The second sealing protrusions 239b formed on the inner wall of the slit 233 are each formed in a band shape at positions corresponding to the sealing protrusions 239a. As a result, ends of the sealing protrusion 239a and the second sealing protrusion 239b may be in close contact with both inner walls of the wiring hole 215 and the both sides of the flexible printed circuit 202, respectively, to improve waterproof performance. .

That is, by making the size of the waterproof portion 235 larger than the wiring hole 215, when the waterproof portion 235 is inserted, the waterproof portion 235 adheres to the inner wall of the wiring hole 215 by its elastic force. In this embodiment, the waterproofing performance is improved by using the sealing protrusion 239a and the second sealing protrusion 239b.

Meanwhile, the waterproof member 203 may include fastening pieces 237 extending from the body portion 231, and the fastening pieces 237 are fastened to each other by the fastening means such as a screw. It is fixed to the inner side of the. As a result, the waterproof member 203 is installed on the housing 201 in a fixed state.

9 to 11 illustrate a waterproof structure 300 of a portable terminal according to a third embodiment of the present invention.

The waterproof member of the waterproof structure 300 according to the present embodiment is assembled to the wiring hole 311 formed in the housing 301 of the portable terminal in a state of being assembled on the flexible printed circuit 302.

Similar to the previous embodiment, the housing 301 may have a partition wall formed on the inner side, but the wiring hole 311 penetrates from the outer side of the housing to the inner side without forming a separate partition.

The waterproof member includes a pair of coupling members 331 and a pair of sealing members 333. The coupling members 331 are provided to surround three surfaces of one of the sealing members 333, respectively. That is, both ends of the coupling members 331 are bent to face each other, and the sealing members 333 are attached to the inner surface of one of the coupling members 331, respectively. In this case, the coupling members 331 may be made of a synthetic resin material such as polycarbonate having rigidity, and the sealing member 333 may be made of a material having elasticity such as silicon or urethane.

At this time, one of the coupling members 331 has a fusion projection 335 is formed at each of the bent both ends, the fusion groove 337 is formed at each of the other bent both ends. The coupling members 331 are coupled to face each other with the sealing members 333 interposed therebetween, wherein the fusion protrusions 335 are respectively located in the fusion grooves 337. In addition, the flexible printed circuit 302 is wired between the sealing members 333. That is, the sealing members 333 are in close contact with both surfaces of the flexible printed circuit 302, respectively.

On the other hand, the coupling members 331 are bonded to each other by ultrasonic welding. That is, the bonding members 331 are bonded to each other by performing ultrasonic welding in a state in which the welding protrusion 335 is located in the welding groove 337. As a result, the sealing members 333 and the coupling members 331 are fixed to the flexible printed circuit 302.

The sealing members 333 and the coupling members 331 are inserted into and fixed to the wiring hole 311 while being fixed to the flexible printed circuit 302. As a result, the flexible printed circuit 302 is installed to be drawn out from the inside of the housing 301 to the outside or into the inside of the housing 301 from the outside. Meanwhile, when the coupling members 331 are made of a synthetic resin having rigidity, waterproof performance may be lowered between the outer circumferential surface and the inner wall of the wiring hole 311. Therefore, a second sealing member 313 may be installed on the inner wall of the wiring hole 311. The second sealing member 313 is also preferably made of a material having elasticity such as silicone or urethane. As a result, the sealing members 333 may improve the waterproof performance between the flexible printed circuit 302 and the coupling members 331, and the second sealing member 313 may be connected to the coupling members 331. The waterproof performance is improved between the inner walls of the wiring hole 311.

12 to 19 are views illustrating a waterproof structure 400 of the portable terminal 40 according to the fourth embodiment of the present invention.

Referring to FIG. 12, the waterproof structure 400 of the portable terminal according to the present embodiment is used when a wiring hole 411 providing a wiring path of the flexible printed circuit 402 is formed on one side of the housing. Configuration. That is, if the housing is applied to the clamshell terminal, it may be applied to a product in which a wiring hole is formed on a surface that is always exposed regardless of whether it is opened or closed.

The housing 401 is configured by first and second cases 401a and 401b facing each other, and a printed circuit board 415 in which a connector socket 417 is installed in an interior 419 of the housing 401. The second case 401b is accommodated therein, and a wiring hole 411 penetrating the inner and outer surfaces thereof is formed. In this case, the flexible printed circuit 402 and the waterproof member 403 are attached around the inlet of the wiring hole 411 on the outer surface of the housing 401, protruding from the outer surface of the housing 401. In order to prevent the above, an accommodation groove 413 may be formed in the outer surface of the housing 401, specifically, the second case 401b.

In this case, the waterproof member 403 may be formed of a double-sided tape, and if the double-sided tape is not, the waterproof printed circuit 402 is in close contact with the waterproof member 403 using a separate fastening member or the like. In addition, the waterproof member 403 should be in close contact with the circumference of the wiring hole 411. 17-19 illustrate various forms of such close structures, respectively.

FIG. 17 illustrates a configuration that provides a waterproof function between the perimeter of the flexible printed circuit 402 and the wiring hole 411 by configuring the waterproof member 403 as a double-sided tape as mentioned above. Doing.

FIG. 18 shows the flexible printed circuit 402 in close contact with the waterproof member 403 by using a fastening means 431 such as a separate screw, and the waterproof member 403 of the wiring hole 411. It is illustrated a configuration that provides a waterproof function in close contact with the circumference.

19 shows a separate binding member 433 is interposed between the inner wall of the receiving groove 413 and the side surface of the waterproof member 403 and the flexible printed circuit 402. At this time, the end of the binding member 433 is bent to press the edge of the flexible printed circuit 402, the flexible printed circuit 402 to the waterproof member 403, the waterproof member 403 Are in close contact with each other around the wiring hole 411.

Meanwhile, although the examples shown in FIGS. 18 and 19 are configured to closely adhere the waterproof member 403 to the periphery of the flexible printed circuit 402 and the wiring hole 411 by using a screw or a binding member, the The waterproof member 403 may be formed of a double-sided tape, and may be made of a material having elasticity such as silicone or urethane.

The flexible printed circuit 402 has a connector 421 installed at an end thereof and is positioned on the wiring hole 411. In detail, an end portion of the flexible printed circuit 402 closes the wiring hole 411 while its edge is in close contact with the waterproof member 403. In this case, the connector 421 is located in the interior 419 of the housing 401 through the wiring hole 411.

As a result, the flexible printed circuit 402 itself closes the wiring hole 411 to provide a waterproof function. In addition, the waterproof member 403 provides a waterproof function between the flexible printed circuit 402 and the outer surface of the housing 401, specifically, the circumference of the wiring hole 411.

13 to 16 illustrate the portable terminal 40 to which the waterproof structure 400 is applied. The terminal 40 installs a main board 515 in a first housing 41, a display device 45 in a second housing 42, and the second housing 42 is hinged. A clamshell terminal coupled to the first housing 41 by a device 43 and configured to be rotatable in a direction approaching or away from the first housing 41.

The main board 515 is provided with a first connector socket 517 for connection with the flexible printed circuit 402, and the flexible printed circuit board is provided on a circuit board 415 provided to the display device 45. A second connector socket 417 is provided for connection with the circuit 402. At both ends of the flexible printed circuit 402, connectors 421 corresponding to the first and second connector sockets 517 and 417 are protruded from the flexible printed circuit 402, respectively. . Therefore, even if an end of the flexible printed circuit 402 is located on the outer surface of the first or second housings 41 and 42, the connector 421 is connected to the first or second through the wiring hole 411. It may be located inside the second housings 41 and 42.

In a state where the connectors 421 are connected to the first and second connector sockets 517 and 417, respectively, the flexible printed circuit 402 forms surfaces of the first and second housings 41 and 42. It extends along and is wired via the hinge apparatus 43. On the other hand, since the flexible printed circuit 402 is disposed on the surfaces of the first and second housings 41 and 42, respectively, it may damage the appearance of the terminal 40, the terminal 40 has a separate cover The flexible printed circuit 402 may be concealed by coupling the 49 to the outer surfaces of the first and second housings 41 and 42, respectively. In this case, the cover 49 may also contribute to improving the waterproof performance by pressing the flexible printed circuit 402 to be in close contact with the circumference of the wiring hole 411.

20 and 21 illustrate a waterproof structure 500 of a portable terminal according to a fifth embodiment of the present invention. The waterproof structure 500 of the portable terminal according to the fifth exemplary embodiment of the present invention is similar to the first embodiment described above, but differs slightly in the structure of the first and second waterproof members.

As shown in FIG. 20 and FIG. 21, the waterproof structure 500 of the portable terminal according to the fifth exemplary embodiment of the present invention forms an accommodation partition 511 in the housing 501 of the terminal, whereby the accommodation partition wall ( 511 is formed to receive the receiving groove, the wiring hole 515 extending from the receiving groove to the inside of the housing 501 and the through hole 517 extending to the outside of the housing 501 Is similar to the first embodiment described above.

Meanwhile, binding grooves 519 are formed on both sidewalls of the receiving groove, respectively, to provide a means for fixing the first and second waterproof members 521a and 521b. Specifically, the first and second waterproof members 521a and 521b have binding protrusions 523 formed at both side ends thereof, and the binding protrusions 523 mesh with the binding groove 519. First and second waterproof members 521a and 521b are respectively fixed in the accommodation grooves. In this case, the first and second waterproof members 521a and 521b are made of an elastic material, for example, silicon or urethane, together with the binding protrusions 523, and the binding protrusions 523 are accommodated therein. It can be made larger in size than the groove. As a result, the binding protrusions 523 are more firmly engaged with the binding groove 519.

As described above, the first and second waterproof members 521a and 521b are made of an elastic material. First, the first waterproof member 521a has a structure in which a hollow 525 is formed therein, and when installed in the receiving groove, one end face thereof faces the second waterproof member 521b. The second waterproof member 521b includes a close protrusion 529 formed on one surface thereof. The flexible printed circuit 502 is wired between the first and second waterproof members 521a and 521b, wherein the adhesion protrusion 529 presses the flexible printed circuit 502 to press the first waterproof member. By being in close contact with 521a, a waterproof structure is completed around the flexible printed circuit 502.

22 to 25 illustrate a waterproof structure 600 of a portable terminal according to a sixth embodiment of the present invention. As shown in FIGS. 22 to 25, the portable terminal having the waterproof structure 600 according to the sixth exemplary embodiment of the present invention is provided with a flexible printed circuit through a wiring hole 625 formed in the housing 602. 603 is provided, and the waterproof structure 600 of the terminal is provided in the wiring hole 625 to provide a waterproof function on the wiring path of the flexible printed circuit 603.

In this case, the terminal is a foldable terminal composed of a pair of housings, but it is noted that only one housing of the pair of housings constituting the foldable terminal is illustrated in FIG. 22.

The terminal includes the flexible printed circuit 603 to connect another housing not shown and circuit devices embedded in each of the housings 602. The flexible printed circuit 603 extends to an outer surface of the housing 602 through side hinge arms 621 provided at both ends of one end of the housing 602, and is formed on one surface of the housing 602. It is connected to the inner surface of the housing 602 through a wiring hole 625.

On the inner side of the housing 602, a display device (not shown) and a circuit board 629a connected to the display device are disposed, and the flexible printed circuit 603 is a female provided at an end of the circuit board 629a. It is connected to a female connector 629b.

The outer surface of the housing 603 is formed with a receiving groove 627 surrounding the wiring hole 625. The receiving groove 627 has a shape recessed from the outer surface of the housing 602, and completes the waterproof structure 600 together with the first and second waterproof members 637 and 639 to be described below.

23 and 24 illustrate the installation structures of the first and second waterproof members 637 and 639 provided at the ends of the flexible printed circuit 603 and the flexible printed circuit 603, respectively.

The flexible printed circuit 603 includes a flexible printed circuit member 631 extending over the housing 602 and a housing not shown, and a reinforcing member 633 provided at an end thereof. The flexible printed circuit member 631 is flexible to allow proper deformation as the housings rotate or slide relative to each other, while the reinforcing member 633 is a rigid material having no flexibility, and has a flat plate shape. Will be maintained. Thus, the reinforcing member 633 is provided only at the end of the flexible printed circuit member 631. One end of the flexible printed circuit 603, specifically, one end of the flexible printed circuit member 631 is provided with a connector member 635 to provide a means for connecting with the female connector 629b. The connector member 635 is provided on one surface of the reinforcing member 633.

The first and second waterproof members 637 and 639 are respectively provided on one surface of the flexible printed circuit 603, specifically, the reinforcing member 633, and the first and second waterproof members 637 are respectively provided. 639 and the inner wall of the receiving groove 627 is provided with a waterproof function to wire the flexible printed circuit 603 through the wiring hole 625 or the connection structure with the female connector 629b It is possible to prevent the inside of the housing 602 from being contaminated by moisture or moisture.

The first waterproof member 637 is disposed to surround the connector member 635 while being in close contact with and fixed to one surface of the reinforcing member 633. In order to firmly fix the first waterproof member 637 to the reinforcing member 633, a binding hole may be formed in the reinforcing member 633, and a binding protrusion may be formed in the first waterproof member 637, respectively. . A fixing groove 638 is formed on the outer circumferential surface of the first waterproof member 637.

On the other hand, the first waterproof member 637 in close contact with, and fixed to one surface of the reinforcing member 633 may be made through a separate assembly process, the double waterproof (insert molding) process through the first waterproof member ( At the same time as the molding of the 637 can be fixed to one surface of the reinforcing member 633. That is, the first waterproof member 637 in a state in which the flexible printed circuit 603 including the reinforcement member 633 is disposed in a proper position in a mold for forming the first waterproof member 637. By molding, the first waterproof member 637 may be molded and adhered to and fixed to one surface of the reinforcing member 633. By fixing through the double injection, it is possible to strengthen the sealing between the first waterproof member 637 and the reinforcing member 633, and because no separate assembly process is necessary, it is easy to manufacture.

The second waterproof member 639 is preferably made of a material having elasticity such as urethane. The second waterproof member 639 is coupled to the fixing groove 638 to surround the first waterproof member 637. It is preferable to use an o-ring as the second waterproof member 639, and if the shape surrounds the first waterproof member 637, the cross-sectional shape may be variously changed.

When the connector member 635 is disposed on the wiring hole 625, the first waterproof member 637 is disposed in a state of being accommodated in the receiving groove 627, and the second waterproof member 639 is disposed on the wiring hole 625. The inner wall of the receiving groove 627 is interposed between the first waterproof member 637. At this time, the second waterproof member 639 has a larger cross-sectional width than the gap between the first waterproof member 637 and the inner wall of the receiving groove 627, the receiving groove 627 and the first waterproof. In the state interposed between the members 637, the outer circumferential surface of the first waterproof member 637 and the inner wall of the receiving groove 627 are in close contact with each other. As a result, the wiring hole 625 is sealed to complete the waterproof function.

On the other hand, a display device and a window (not shown) are installed on the inner surface of the housing 602 so that the circuit board 629a is disposed, and a cover member 643 is disposed on the outer surface of the housing groove 627. Will conceal the structure of. In this case, the cover member 643 may be used to decorate the exterior of the housing 602, and may be attached to an outer surface of the housing 602 through a separate dummy cover 641. In addition, as mentioned above, since the housing 602 is used for a folding terminal, if the small display device is installed between the outer surface of the housing 602 and the cover member 643, the housing 602 The terminal information can be displayed briefly even when the display device on the inner side is closed.

In the foregoing detailed description of the present invention, specific embodiments have been described. However, it will be apparent to those skilled in the art that various modifications can be made without departing from the scope of the present invention.

100: waterproof structure 111: accommodation bulkhead
113: receiving groove 115: wiring hole
117 through hole 102 flexible printed circuit
121a, 121b: first and second sealing members
123: Clamp

Claims (29)

A portable terminal having at least one pair of housings, the portable terminal comprising:
A flexible printed circuit which is drawn out from the inside of a first of the housings and into the second housing;
A wiring hole formed in each of the housings to provide a path through which the flexible printed circuit passes; And
A waterproof member provided on the wiring hole to be in close contact with at least inner walls of the housings and to be in close contact with an outer circumferential surface of the flexible printed circuit;
The waterproof member is waterproof structure of a portable terminal, characterized in that the outer peripheral surface of the wiring hole in close contact with the inner wall of the wiring hole.
The method according to claim 1,
A receiving partition wall formed in each of the housings;
An accommodation groove surrounded by the accommodation partition wall;
And a through hole extending from the accommodation groove and penetrating through the accommodation partition to be connected to the outside of each housing.
The wiring hole extends into the housing through the receiving partition wall facing the through hole from the receiving groove, and is disposed in a straight line with the through hole.
The watertight member of claim 2, wherein the waterproof member includes first and second sealing members accommodated in the receiving groove in a state of facing each other, wherein the first and second sealing members are formed on both sides of the flexible printed circuit, respectively. Waterproof structure of a portable terminal, characterized in that the close contact.
4. The apparatus of claim 3, further comprising a clamp fixed to each of the housings, wherein the first and second sealing members adhere to both sides of the flexible printed circuit as the clamp is fixed to the housing. Waterproof structure of the portable terminal.
The waterproof structure of claim 3, wherein at least one of the first and second sealing members is integrally formed in the housing by double injection.
The method according to claim 1,
A partition wall formed on an inner side surface of the housing; And
Further provided with a protrusion extending from one side of the partition,
The wiring hole is waterproof structure of a portable terminal, characterized in that formed through the protrusion.
The method of claim 6, wherein the waterproof member,
A body part in close contact with an outer end of the protrusion; And
A waterproof part extending from the body part into the wiring hole;
The flexible printed circuit is waterproof structure of a portable terminal, characterized in that wired through the waterproof portion.
The portable apparatus of claim 7, wherein the body portion is a synthetic resin having rigidity, and the waterproof portion is an elastic body, and is formed to penetrate the waterproof portion from the body portion, and has a slit through which the flexible printed circuit passes. Waterproof structure of the terminal.
The method of claim 7 or 8, further comprising at least one sealing projection formed on the outer peripheral surface of the waterproof portion, wherein the sealing projection extends along the circumference of the waterproof portion so that the end is in close contact with the inner wall of the wiring hole Waterproof structure of a portable terminal characterized in that.
10. The method of claim 9, further comprising a second sealing projection formed on the inner peripheral surface of the waterproof portion, wherein the second sealing projection is formed at a position corresponding to the sealing projection and the end thereof is in close contact with the flexible printed circuit. Waterproof structure of a portable terminal characterized in that.
The waterproof structure of claim 7, wherein the waterproof member further includes a fastening piece extending from both side ends of the body portion, and the fastening piece is fixed to an inner side surface of the housing.
The method according to claim 1,
The wiring hole is a through hole extending from the outside to the inside of the housing,
The waterproof member,
(a) a pair of coupling members of a synthetic resin material having rigidity disposed in the wiring hole; And
(b) a pair of sealing members each attached to inner surfaces of the coupling members,
As the coupling members are coupled to face each other in the wiring hole, the sealing members are in close contact with one surface of the flexible printed circuit, respectively.
The waterproof structure of claim 12, wherein the waterproof member further includes a second sealing member in close contact with the inner wall of the wiring hole and surrounding the outer surface of the coupling members.
The method of claim 12, wherein each of the coupling member is bent so that both ends thereof face each other, fusion projections are formed on both ends of the first coupling member, fusion grooves are formed on both ends of the second coupling member, respectively, Waterproofing structure of a portable terminal, characterized in that the fusion projections are adhered to the fusion groove.
A portable terminal having at least one pair of housings, the portable terminal comprising:
A flexible printed circuit connecting the circuit devices provided in the housings with each other;
Wiring holes formed on one surface of each of the housings; And
A waterproof member in close contact with the housing and in close contact with an outer circumferential surface of the flexible printed circuit;
The waterproof member is portable, characterized in that one surface thereof is in close contact with the periphery of the inlet of the wiring hole, and both ends of the flexible printed circuit are in close contact with the waterproof member at the outer surfaces of the housings, respectively. Waterproof structure of the terminal.
The method of claim 15,
A printed circuit board installed inside the housing; And
Further provided with connectors provided at ends of the flexible printed circuits,
And the connector is connected to the printed circuit board by being located inside the housing through the wiring hole.
16. The waterproof structure of claim 15, further comprising a cover attached to an outer surface of the housing to cover the flexible printed circuit.
The waterproof structure of claim 15, wherein the waterproof member is made of a double-sided tape, and one surface of the waterproof member is attached to the periphery of the wiring hole and the other surface of the waterproof member is attached to the flexible printed circuit.
The waterproof structure of a portable terminal of claim 15, further comprising a fastening member penetrating the waterproof member from both edges of the flexible printed circuit and fastened to the housing.
The method of claim 15,
An accommodation groove formed around the wiring hole; And
And a binding member interposed between the waterproof member and the side surface of the flexible printed circuit and the inner wall of the receiving groove.
The binding member has a watertight structure of a portable terminal, characterized in that the end thereof presses the outer surface of the flexible printed circuit to be in close contact with the receiving groove.
4. The method of claim 3, wherein the first waterproof member has a hollow formed therein, and the second waterproof member has a close protrusion formed on one surface thereof, and the close protrusion extends across the flexible printed circuit. Waterproofing structure of a portable terminal, characterized in that the pressing on one surface to be in close contact with the first waterproof member.
The method of claim 21,
Binding grooves formed on both sidewalls of the receiving groove; And
Further provided with binding projections formed on both side ends of the first waterproof member and the second waterproof member,
And each of the binding protrusions engages with the binding groove to fix the first and second waterproof members in the accommodation groove.
23. The waterproof structure as claimed in claim 21 or 22, wherein the first and second waterproof members are each made of an elastic material.
A portable terminal having at least one pair of housings, the portable terminal comprising:
A flexible printed circuit connecting the circuit devices provided in the housings with each other, the connector having at least one connector member;
A wiring hole formed in at least one of the housings;
Receiving groove formed around the wiring hole in the outer surface of the housing;
A first waterproof member provided at one end of the flexible printed circuit and surrounding the connector member; And
A second waterproof member provided on an outer circumferential surface of the first waterproof member,
The connector member is connected to the inside of the housing through the wiring hole on the outer side surface of the housing, and the second waterproof member is connected to the inside of the housing through the wiring hole. Waterproof structure of a portable terminal, characterized in that the sealing between the waterproof member and the inner wall of the receiving groove.
The method of claim 24, wherein the flexible printed circuit,
A flexible printed circuit member extending from a first of the housings to a second of the housings; And
And a reinforcing member provided at one end of the flexible printed circuit member,
The connector member is waterproof structure of a portable terminal, characterized in that provided on one surface of the reinforcing member.
26. The waterproof structure of claim 25, wherein the first waterproof member is in close contact with and fixed to one surface of the reinforcement member.
The waterproof structure of claim 24, wherein the second waterproof member is an o-ring and is coupled to a fixing groove formed on an outer circumferential surface of the first waterproof member.
28. The waterproof structure as claimed in claim 24 or 27, wherein the second waterproof member is in close contact with an inner wall of the receiving groove.
25. The waterproof structure of claim 24, further comprising a cover member attached to an outer surface of the housing in which the wiring hole is formed and covering at least the wiring hole and the flexible printed circuit.

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