WO2017217705A1

WO2017217705A1 - Mobile terminal

Info

Publication number: WO2017217705A1
Application number: PCT/KR2017/006043
Authority: WO
Inventors: 송현수; 최동준; 이봉현
Original assignee: 엘지전자 주식회사
Priority date: 2016-06-14
Filing date: 2017-06-09
Publication date: 2017-12-21
Also published as: KR20170141084A

Abstract

The present invention comprises: a first body; a button which is disposed on the first body; a second body which is fixed inside the first body and has a hole formed thereon; a pin which has a rod movably inserted in the hole and moves by means of the button; and a sealing member which is arranged so as to surround the rod, seals the space between the rod and the second body, and moves along the hole when the pin moves, and thus the present invention has the advantage of enabling the minimization of water damage.

Description

Mobile terminal

The present invention relates to a mobile terminal, and more particularly to a mobile terminal including a waterproof structure.

Terminals may be divided into mobile / portable terminals and stationary terminals according to their mobility. The mobile terminal may be further classified into a handheld terminal and a vehicle mounted terminal according to whether a user can directly carry it.

The functions of mobile terminals are diversifying. For example, data and voice communication, taking a picture and video with a camera, recording a voice, playing a music file through a speaker system, and outputting an image or video to a display unit. Some terminals have an electronic game play function or a multimedia player function. In particular, recent mobile terminals may receive multicast signals that provide visual content such as broadcasting, video, and television programs.

As the terminal functions are diversified, for example, such a terminal is a multimedia player having a complex function such as taking a picture or a video, playing a music or video file, playing a game, or receiving a broadcast. Is being implemented.

The mobile terminal may include a main body and a button, and the main body may include a hole for coupling a button to one side. The mobile terminal may include a drain tank for preventing moisture penetrating between the hole and the button from entering the main body.

It is an object of the present invention to provide a mobile terminal which can minimize the number of parts and includes a waterproof structure having high durability.

A mobile terminal according to an embodiment of the present invention for achieving the above object includes a first body; A button disposed on the first body; A second body fixed inside the first body and having a hole formed therein; A pin moved by the button and having a rod movably inserted in the hole; And a sealing member disposed to surround the rod to seal between the rod and the second body and move along the hole when the pin moves.

The sealing member may be fixed to the outer circumference of the rod.

A PCB disposed inside the second body; The pin may further include a dome switch disposed in the PCB, and the pin may be guided to be advanced toward the dome switch and to be retracted toward the button.

The pin may further include a flange provided at one side of the rod and positioned inside the second body, and the flange may press the dome switch when the other side of the rod is pressed by the button.

The flange may be larger in size than the hole.

The pin may have a button contact end in contact with the button on the opposite side of the flange.

The pin may further include a movement guide formed in the rod and guided along the hole when the rod moves.

The movement guide may be formed to protrude from the rod and have a size in contact with the hole.

The pin is provided on one side of the rod and is located inside the second body and is larger in size than the hole; It is provided on the other side of the rod may include a movement guide is guided along the hole and the same size as the hole or smaller than the hole.

The sealing member includes a hollow portion surrounding the outer circumference of the rod; It may include a sealing portion protruding from the outer surface of the hollow portion and in contact with the second body.

The pin may have a stepped portion to which the sealing member is inserted and coupled.

The sealing member may have an inner protrusion protruding from the inner circumference, and an inner step portion in which the inner protrusion is inserted may be recessed in the step portion.

The sealing member may include a sealing body portion surrounding the outer circumference of the rod and sealing between the rod and the first body, and a button contact body portion covering the end portion of the rod facing the button and contacting the button.

The sealing body portion and the hollow portion surrounding the outer circumference of the rod; It may include a sealing portion protruding from the hollow portion.

According to an embodiment of the present invention, a mobile terminal includes: a first body; A button disposed on the first body; A second body fixed inside the first body and having a hole formed therein; A pin moved by the button and having a rod movably inserted in the hole; And a sealing member disposed in the hole to seal between the rod and the second body and to guide the movement of the pin.

The sealing member is fixed to the second body and the hollow portion larger than the rod; It may include a sealing portion protruding in the inner circumference of the hollow portion and in contact with the outer surface of the rod.

According to an embodiment of the present invention, a mobile terminal includes: a first body; A metal member disposed on the first body; A second body fixed inside the first body and having a hole formed therein; A pin having a rod located inside the hole; And a sealing member disposed to surround the rod to seal between the rod and the second body.

A PCB disposed inside the second body; The pin may further include an antenna connector connected to the PCB, and one end of the pin may contact the metal member and the other end may contact the antenna connector.

The pin may further include a flange provided at one side of the rod and positioned inside the second body and in contact with the antenna connector, wherein the flange may be larger than the hole.

The antenna connector may have an antenna protrusion protruding to contact one end of the pin, and the metal member may have a metal protrusion protruding to contact the other end of the pin.

According to the present invention, it is possible to prevent the flooding due to the button of the mobile terminal.

In addition, even if the button of the mobile terminal is repeatedly used, the waterproof structure can maintain the shape without causing deformation and durability can be improved.

1 is a block diagram showing the configuration of a mobile terminal according to a first embodiment of the present invention;

2 is a perspective view of a mobile terminal according to a first embodiment of the present invention;

3 is a cross-sectional view taken along the line A-A shown in FIG.

4 is a perspective view of the pin shown in FIG.

5 is a cross-sectional view of the pin shown in FIG.

6 is a cross-sectional view showing a pin before pressing the button shown in FIG.

FIG. 7 is a cross-sectional view illustrating pins when the button illustrated in FIG. 3 is pressed.

8 is a perspective view illustrating a pin included in a mobile terminal according to a second embodiment of the present invention;

9 is a cross-sectional view taken along the line G-G shown in FIG.

10 is a cross-sectional view showing a waterproof structure of a mobile terminal according to a third embodiment of the present invention;

11 is a perspective view showing a pin included in the mobile terminal according to the fourth embodiment of the present invention;

12 is a cross-sectional view taken along the line H-H shown in FIG.

FIG. 13 is a perspective view illustrating that the pin shown in FIG. 11 is connected to a metal member and a PCB.

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

1 is a block diagram showing the configuration of a mobile terminal according to a first embodiment of the present invention, Figure 2 is a perspective view showing a mobile terminal according to a first embodiment of the present invention, Figure 3 is a cross-sectional view taken along line AA shown in FIG. 4 is a perspective view of the pin shown in FIG. 3, FIG. 5 is a cross-sectional view of the pin shown in FIG. 3, FIG. 6 is a cross-sectional view of the pin before pressing the button shown in FIG. 3, and FIG. 7 is shown in FIG. 3. Pin is a cross-sectional view when the button is pressed.

Referring to FIG. 1, the mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, and a controller 180. And a power supply unit 190. The components shown in FIG. 1 are not essential to implementing a mobile terminal, so a mobile terminal described herein may have more or fewer components than those listed above.

The wireless communication unit 110 includes one or more modules that enable wireless communication between the mobile terminal 100 and the wireless communication system, between the mobile terminal 100 and another mobile terminal, or between the mobile terminal 100 and an external server. can do. In addition, the wireless communication unit 110 may include one or more modules for connecting the mobile terminal 100 to one or more networks.

The wireless communication unit 110 may include at least one of the broadcast receiving module 111, the mobile communication module 112, the wireless internet module 113, the short range communication module 114, and the location information module 115.

The input unit 120 may include a camera 121 or an image input unit for inputting an image signal, a microphone 122 or an audio input unit for inputting an audio signal, and a user input unit 123 (for example, a touch) for receiving information from a user. Keys (touch keys, mechanical keys, etc.). The voice data or the image data collected by the input unit 120 may be analyzed and processed as a control command of the user.

The user input unit 123 may generate input data according to a command applied from a user. The user input unit 123 may include a key pad, a dome switch, a touch pad, a jog wheel, a jog switch, and the like. The user input unit 123 may be installed to be partially exposed to the first body 10 to be described later. The user input unit 123 may include at least one

manipulation unit

114, 115, or 116 disposed on the outer circumference of the first body 10. The

operation units

114, 115, and 116 may be provided in plurality in the first body 10. At least one of the left side or the right side of the plurality of

operation units

114, 115, and 116 may be spaced apart along the outer circumference of the first body 10. The plurality of

operation units

114, 115, and 116 may include a power button and a plurality of volume control buttons. The user input unit 123 may include one of the plurality of

operation units

114, 115, and 116 as a power button. In the input unit 120, a plurality of 115, 116 other than the power button among the plurality of

operation units

114, 115, and 116 may configure a volume control button. One of the plurality of volume control buttons may be a volume up button, and the other may be a volume down button.

The sensing unit 140 may include one or more sensors for sensing at least one of information in the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information. For example, the sensing unit 140 may include a proximity sensor 141, an illumination sensor 142, an illumination sensor, a touch sensor, an acceleration sensor, a magnetic sensor, and gravity. G-sensor, Gyroscope Sensor, Motion Sensor, RGB Sensor, Infrared Sensor, Infrared Sensor, Finger Scan Sensor, Ultrasonic Sensor Optical sensors (e.g. cameras 121), microphones (see 122), battery gauges, environmental sensors (e.g. barometers, hygrometers, thermometers, radiation detection sensors, Thermal sensors, gas sensors, etc.), chemical sensors (eg, electronic noses, healthcare sensors, biometric sensors, etc.). Meanwhile, the mobile terminal disclosed herein may use a combination of information sensed by at least two or more of these sensors.

The output unit 150 is for generating an output related to sight, hearing, or tactile sense, and includes at least one of the display unit 151, the audio output unit 152, the hap tip module 153, and the light output unit 154. can do. The display unit 151 forms a layer structure with or is integrally formed with the touch sensor, thereby implementing a touch screen. The touch screen may function as a user input unit 123 that provides an input interface between the mobile terminal 100 and the user, and may also provide an output interface between the mobile terminal 100 and the user.

The display unit 151 may include a display module 155 that displays (outputs) information processed by the mobile terminal 100. For example, the display unit 151 may display execution screen information of an application program driven in the mobile terminal 100 or user interface (UI) and graphical user interface (GUI) information according to the execution screen information. .

There may be two or more display units 151 according to the implementation form of the mobile terminal 100. In this case, the plurality of display units may be spaced apart or integrally disposed on one surface of the mobile terminal 100, or may be disposed on different surfaces.

The display unit 151 may include a touch sensor that senses a touch on the display unit 151 so as to receive a control command by a touch method. By using this, when a touch is made to the display unit 151, the touch sensor may sense the touch, and the controller 180 may generate a control command corresponding to the touch based on the touch sensor. The content input by the touch method may be letters or numbers or menu items that can be indicated or designated in various modes.

On the other hand, the touch sensor is formed of a film having a touch pattern and disposed between the window 156 and the display module 155 positioned behind the window 156, or metal patterned directly on the back of the window 156 It can also be a wire. Alternatively, the touch sensor may be integrally formed with the display module 155. For example, the touch sensor may be disposed on a substrate of the display module 155 or provided in the display module 155.

As such, the display unit 151 may form a touch screen together with the touch sensor, and in this case, the touch screen may function as the user input unit 123.

The display module 155 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display (flexible). display, a 3D display, or an e-ink display.

The display unit 151 may view the screen of the display module 155 from the outside and may further include a window 156 protecting the display module 155. The window 156 may be mounted on the first body 10 to form a front surface of the terminal body together with the first body 10. The window 156 may be composed of a window assembly that is a combination of a plurality of members.

The interface unit 160 serves as a path to various types of external devices connected to the mobile terminal 100. The interface unit 160 connects a device equipped with a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, and an identification module. It may include at least one of a port, an audio input / output (I / O) port, a video input / output (I / O) port, and an earphone port. In response to the connection of the external device to the interface unit 160, the mobile terminal 100 may perform appropriate control related to the connected external device.

In addition, the memory 170 stores data supporting various functions of the mobile terminal 100. The memory 170 may store a plurality of application programs or applications driven in the mobile terminal 100, data for operating the mobile terminal 100, and instructions. At least some of these applications may be downloaded from an external server via wireless communication. In addition, at least some of these application programs may exist on the mobile terminal 100 from the time of shipment for basic functions of the mobile terminal 100 (for example, a call forwarding, a calling function, a message receiving, and a calling function). Meanwhile, the application program may be stored in the memory 170 and installed on the mobile terminal 100 to be driven by the controller 180 to perform an operation (or function) of the mobile terminal.

In addition to the operations related to the application program, the controller 180 typically controls the overall operations of the mobile terminal 100. The controller 180 may provide or process information or a function appropriate to a user by processing signals, data, information, and the like, which are input or output through the above-described components, or by driving an application program stored in the memory 170.

The controller 180 may control at least some of the components described with reference to FIG. 1 in order to drive an application program stored in the memory 170. In addition, the controller 180 may operate by combining at least two or more of the components included in the mobile terminal 100 to drive an application program.

The power supply unit 190 receives power from an external power source and an internal power source under the control of the controller 180 to supply power to each component included in the mobile terminal 100. The power supply unit 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.

At least some of the components may operate in cooperation with each other to implement an operation, control, or control method of the mobile terminal according to various embodiments described below. In addition, the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170.

Each component illustrated in FIG. 1 may be provided in the first body 10.

The first body 10 may be an outer body forming an outer shape of the mobile terminal. The first body 10 may be a front case forming a front appearance of the mobile terminal. The first body 10 may be a rear case forming the rear appearance of the mobile terminal. The first body 10 may be a side case forming a side appearance of the mobile terminal. The first body 10 can be composed of a combination of a plurality of members.

The first body 10 may include a front surface 12 and a rear surface 14, and may include a side surface 13 connecting the front surface 12 and the rear surface 14.

The display unit 151 may be disposed on the front surface 12 of the first body 10. In addition, the side surface 13 and the rear surface 14 of the first body 10 may be connected to each other in a curved surface.

The button 50 may be disposed on the first body 10. The outer hole 21 may be formed on the side surface 13 of the first body 10, and the button 50 may be disposed to be movable in the outer hole 21. One surface of the button 50 may be exposed to the outside of the first body 10, and the other surface thereof may face the inside of the first body 10.

A plurality of outer holes 21 and buttons 50 may be disposed in the mobile terminal.

The second body 11 may be included in the first body 10. The second body 11 may be fixed inside the first body 10. The second body 11 may be an inner body disposed inside the first body 10 and may be a rigid body.

The second body 11 may provide a space in which components inside the mobile terminal may be coupled or fixed.

The second body 11 may be connected to the side surface 13 of the first body 10. Alternatively, the second body 11 may be formed separately from the first body 11 and may be connected to the first body 11. The second body 11 may be formed integrally with the first body 10. In this case, the first body 10 may be a portion of the body exposed to the outside of the mobile terminal, the second body 11 may be a portion located inside the mobile terminal.

The side surface 13 of the first body 10 may have a predetermined thickness. The outer hole 21 may be formed to penetrate through the thickness of the side surface 13 of the first body 10. The outer hole 21 may be formed at a position facing the second body 11.

The hole 20 may be formed in the second body 11. The hole 20 may be formed to face the outer hole 21 formed in the first body 10. The hole 20 may be an inner hole formed to face the outer hole 21 in the second body 11. The central axis of the outer hole 21 and the central axis of the hole 20 may coincide with each other. The radius of the hole 20 and the radius of the outer hole 21 may be different from each other.

The button 50 may be disposed in the outer hole 21. When the user presses the button 50, the button 50 may be advanced toward the hole 20.

The gap between the outer hole 21 and the button 50 may not be sealed.

The mobile terminal can penetrate moisture between the outer hole 21 and the button 50. Moisture penetrated between the outer hole 21 and the button 50 may pass through the hole 20 of the second body 11, and the water penetrated may penetrate into an electronic component installed inside the mobile terminal. It may damage the electronic components. In the mobile terminal, it is preferable that a waterproof structure in which moisture does not penetrate through the hole 20 is installed in the second body 11.

Referring to the cross-sectional view of FIG. 3, the hole 20 may be formed in the X direction. The outer hole 21 may be formed in the X direction. The button 50 may be inserted into the outer hole 21. In addition, the pin 30 may be inserted into the hole 20. The pin 30 may be arranged to be moved by the button 50.

The PCB 70 may be disposed in the second body 11. The PCB 70 may be fixed to the second body 11. The PCB 70 may be provided with a dome switch 71 for operating an internal circuit. The dome switch 71 may be made of an elastic member. Therefore, when an external force is applied to the dome switch 71, the dome switch 71 may be compressed or deformed, and a restoring force may act in the opposite direction to which the external force is applied.

The pin 30 may be disposed inside the hole 20 to be positioned between the button 50 and the dome switch 71. Pin 30 may be advanced toward dome switch 71 when pressed by button 50. The pin 30 may be retracted toward the button 50 upon elastic recovery of the dome switch 71.

The sealing member 40 may be disposed between the pin 30 and the second body 11.

The pin 30 and the sealing member 40 may prevent moisture from penetrating through the hole 20, and in this case, contact of the electronic component inside the second body 11 may be minimized.

Even if moisture penetrates between the outer hole 21 and the button 50, the moisture may be blocked by the pin 30 and the sealing member 40 and thus may not pass through the hole 20, and the second body 11 may be waterproof. have.

The cross section of the hole 20 may be circular.

The pin 30 may be partially inserted into the hole 20. The pin 30 may include a rod 31, a flange 32 and a movement guide 33.

The rod 31 may have a length direction in the X direction. All or part of the rod 31 may be inserted into the hole 20. The rod 31 may be inserted into the hole 20 to be movable. The cross section of the rod 31 may be circular. The diameter of the rod 31 may be smaller than the diameter of the hole 20.

The sealing member 40 may be coupled to the rod 31. The sealing member 40 may be disposed to surround the rod 31 to seal between the rod 31 and the second body 11.

The sealing member 40 may be fixed to the outer circumference of the pin 30. The sealing member 40 may be fixed to the outer circumference of the rod 31 of the pin (30).

The sealing member 40 may be attached to the rod 31 through bonding. In addition, the sealing member 40 may be in close contact with the rod 31.

The sealing member 40 may be integrated with the rod 31 and move together with the rod 31 when the rod 31 moves. The sealing member 40 may move along the hole 20 when the pin 30 moves.

The pin 30 may be integrally moved with the sealing member 40 and may be guided forward toward the dome switch 71 and retracted toward the button 50.

The sealing member 40 may surround the circumferential surface of the rod 31. The sealing member 40 may have a ring shape and may be coupled to the circumferential surface of the rod 31.

The outer circumferential surface of the sealing member 40 may contact the hole 20. The sealing member 40 may seal between the rod 31 and the hole 20. The sealing member 40 may prevent moisture from penetrating through the hole 20.

The sealing member 40 may be made of an elastic material. Therefore, the sealing member 40 may be compressed or deformed under pressure. In addition, when the sealing member 40 is compressed or deformed, a restoring force to return to the original shape may be applied.

In addition, the sealing member 40 may be made of a silicon material.

The diameter of the sealing member 40 may be larger than the diameter of the hole 20. Therefore, the sealing member 40 inserted into the hole 20 after being combined with the rod 31 may be compressed or deformed. The region E indicates that the sealing member 40 is inserted into the hole 20 and compressed or deformed.

The sealing member 40 is fixed to the pin 30 and may move along the hole 20 when the pin 30 moves. Therefore, the sealing member 40 may move in the X direction in a compressed or deformed state like the E region. Even if the pin 30 moves in the X direction, the sealing member 40 may seal between the hole 20 and the pin 30 while maintaining the compressed or deformed state. Therefore, it is possible to prevent moisture from penetrating between the hole 20 and the pin 30.

The flange 32 may be formed on one side of the pin 30. The flange 32 may be provided at one side of the pin 30 toward the inside of the second body 11. The flange 32 may be provided on one side of the rod 31 and positioned inside the second body 11.

The flange 32 may be larger than the hole 20. The diameter of the flange 32 may be larger than the diameter of the hole 20. The flange 32 may be caught around the hole 20 of the second body 11 when the pin 30 is overtraveled in the direction of the button 50, the pin 30 being driven by the flange 32. Any stripping can be limited.

The flange 32 may press the dome switch 71 when the other side of the rod 31 is pressed by the button 50.

The pin 30 may be provided with a button contact end 34 in contact with the button 50 on the opposite side of the flange 32. When the button contact end 34 is pressed by the button 50, the flange 32 may advance the pin 30 toward the dome switch 71 along the X direction, and may press the dome switch 71. The flange 32 may be a dome switch contact that contacts the dome switch 71 of the pin 30.

The dome switch 71 may be disposed to face the flange 32 to the PCB 70. When the flange 32 presses the dome switch 71, the dome switch 71 may be pressed toward the PCB 70 and may contact the switching circuit provided in the PCB 70.

The movement guide 33 may be formed in the rod 31 and guided along the hole 20 when the rod 31 moves.

The movement guide 33 is a structure for allowing the pin 30 to smoothly move along the hole 20 in the X direction.

The movement guide 33 may be provided at the other side of the rod 31 and guided along the hole 20. The movement guide 33 may protrude in the radial direction of the rod 31 opposite the flange 32.

The movement guide 32 may be formed to protrude from the rod 31 and have a size in contact with the hole.

The movement guide 33 may be the same size as the hole 20 or smaller than the hole 20, but is formed to have a size that slides along the hole 20 while maintaining contact with the hole 20 when the pin 30 moves. Can be. The diameter of the movement guide 33 is smaller than the diameter of the hole 20 but may be formed very close to the diameter of the hole 20. The movement guide 33 may be a hole contact surface 35 whose outer circumferential surface is in contact with the hole 20.

Comparing the sizes of the diameters of the hole 20, the rod 31, the flange 32 and the movement guide 33, the diameter is the flange 32, the hole 20, the movement guide 33 and the rod 31. Can be large in order.

The pin 30 may have a stepped portion 31a to which the sealing member 40 is inserted and coupled. The stepped portion 31a may be formed on the outer circumferential surface of the rod 31. The stepped portion 31a may be formed in a shape recessed in the outer circumferential surface of the rod 31. The step portion 31a may be formed in a hollow cylindrical shape as a whole.

The pin 30 may further be formed with an inner stepped portion 31b to help the sealing member 40 inserted into the stepped portion 31a to be firmly fixed without being pushed. The inner stepped portion 31b may be formed in a shape recessed in the stepped portion 31a. The inner stepped portion 31b may be formed in the rod 31, and may be formed in the stepped portion 31a of the rod 31.

The stepped portion 31a may be recessed to be stepped on the outer circumferential surface of the rod 31.

The sealing member 40 may include a coupling part coupled to the rod 31 and a sealing part 40c for sealing between the pin 30 and the hole 20.

Coupling portion may include a hollow portion 40a surrounding the outer circumferential surface of the rod 31 and coupled to the rod 31.

The hollow portion 40a may be formed in a substantially hollow cylindrical shape. The hollow part 40a may serve to increase the adhesive force or the grounding force by widening the contact surface between the sealing member 40 and the rod 31.

The hollow portion 40a may be inserted into the stepped portion 31a to be caught by the stepped portion 31a.

The hollow part 40a may be formed before and after the sealing part 40c based on the sealing part 40c, respectively.

The sealing part 40c may protrude from the outer surface of the hollow part 40a and may contact the second body 11.

The outer diameter of the sealing portion 40c may be larger than the outer diameter of the hole 20 or the same as the outer diameter of the hole 20 before the sealing member 40 is inserted into the hole 20.

The sealing part 40c may be pressed between the hole 20 and the hollow part 40a when the sealing member 40 is inserted into the hole 20, and may maintain a close contact with the hole 20. have.

The hollow portion 40a may be inserted into the stepped portion 31a formed in the pin 30 and may be caught by the stepped portion 31a.

The sealing member 40 may be formed with an inner protrusion 40b that is inserted into the inner stepped portion 31b. The inner protrusion 40b may protrude from the inner circumferential surface of the hollow portion 40a.

The inner protrusion 40b may be inserted into the inner stepped part 31b when the hollow part 40a is inserted into the stepped part 31a.

The sealing member 40 may be firmly supported and fixed to the pin 30 by restraining the hollow portion 40a and the stepped portion 31a and restraining the inner protrusion 40b and the inner stepped portion 31b. The sealing member 40 can minimize the sliding along the outer circumferential surface of the rod 31.

The button 50 may include a button flange 51, a pin presser 52, and a user input 53.

One side of the button 50 may be provided with a button flange 51. The button flange 51 may be provided at one side of the button 50 facing the inside of the first body 10. That is, the button flange 51 may be located inside the first body 10.

The diameter of the button flange 51 may be larger than the diameter of the outer hole 21. Therefore, even if the button 50 moves by the force in the X direction, the button 50 may not escape to the outside of the first body 10.

The user input unit 53 may be provided at the other side of the button 50. The user input unit 53 may be exposed to the outside of the first body 10. The user may press the user input unit 53 exposed to the outside of the first body 10, and the button 50 may move along the outer hole 21.

When the user presses the user input unit 53, the button 50 may move along the X direction, and the pin pressing unit 52 may press the other side of the pin 30.

6 and 7 are cross-sectional views showing before the user presses the button 50 and when the user presses the button 50. The operation of the pin 30 will be described with reference to the drawings.

Moisture outside the mobile terminal may penetrate into the first body 10 through the outer hole 21. The moisture penetrated into the first body 10 may penetrate only to the region E where the sealing member 40 and the hole 20 contact due to the sealing member 40 sealing between the hole 20 and the rod 31. Can be.

Based on the region E that the hole 20 and the sealing member 40 contact, the region C corresponding to the outside of the region E may be an immersion region through which moisture can penetrate. The region D corresponding to the inside of the region E may be a waterproof zone where moisture cannot penetrate.

When the user presses the button 50, the button 50 may press the pin 30. The flange 32 provided on one side of the pin 30 may press the dome switch 71, and the switching circuit installed in the PCB 70 may be contacted.

At this time, the sealing member 40 may move in the X direction together with the pin 30 as much as the pin 30 moves. That is, although the E region may move in the X direction, as shown in FIG. 7, the waterproof zone D may be secured, and the penetration of moisture through the hole 20 may be limited.

Hereinafter, configurations and operations different from those of the first embodiment of the present invention will be described, and configurations identical or similar to those of the first embodiment of the present invention will be omitted to avoid overlapping descriptions.

FIG. 8 is a perspective view illustrating pins included in a mobile terminal according to a second embodiment of the present invention. FIG. 9 is a cross-sectional view taken along the line G-G shown in FIG. 8.

The pin 30 included in the mobile terminal according to the second embodiment may include a rod 31 and a flange 32.

The sealing member 40 'surrounds the outer circumference of the rod 31 and seals the sealing body portion 40d between the rod 31 and the first body 11, and the button 50 of the rod 31. It may include a button contact body portion 40e that covers the end facing toward the contact with the button 50.

Sealing body portion 40d and the hollow portion 40a surrounding the outer circumference of the rod 31. It may include a sealing portion 40c protruding from the hollow portion 40a.

The sealing member 40 'of the present embodiment further includes a button contact body 40e, and the same reference numerals are used for the same components as those of the first embodiment of the present invention, and detailed description thereof will be omitted.

The sealing member 40 ′ may cover all of the pins 30 except for the flange 32, and may protect the pins 30.

When the button 50 is in direct contact with the pin 30, the pin 30 may be worn by the button 50, and the button contact body portion 40e is between the pin 30 and the button 50. The shock can be absorbed and the abrasion of the pin 30 can be minimized.

In addition, the button contact body portion 40e may serve to increase the adhesive force or the grounding force by widening the contact surface between the sealing member 40 'and the rod 31.

When the button 50 is operated, the button 50 may contact the button contact body 40e to press the button contact body 40e, and the button contact body 40e may press the rod 31. And the flange 32 may actuate the dome switch 71.

10 is a cross-sectional view showing a waterproof structure of a mobile terminal according to a third embodiment of the present invention.

The pin 30 included in the mobile terminal according to the third exemplary embodiment may include a rod 31, a flange 32, and a movement guide 33. It can be disposed in the hole 20 to seal between the rod 31 and the second body 11 and to guide the movement of the pin 30. The present embodiment has a configuration and function other than the sealing member 40 ". Since this is the same as or similar to the first embodiment of the present invention, the same reference numerals are used for the same configuration and detailed description thereof will be omitted.

The sealing member 40 "of the present embodiment may be fixed in close contact with the second body 11 and guide the movement of the rod 31.

The sealing member 40 "is fixed to the second body 11 and protrudes on the hollow portion 40a" larger than the rod 31 "and on the inner circumference of the hollow portion 40a" and on the outer surface of the rod 31. It may include a sealing portion (40c ") in contact.

The hollow portion 40a ″ may be fixed along the circumferential surface of the hole 20 formed in the second body 11.

The sealing portion 40 ″ may protrude in a ring shape on the inner circumferential surface of the hollow portion 40a ″. The inner diameter of the sealing portion 40 "may be smaller than the outer diameter of the rod 31".

When the hollow portion 40a "of the sealing member 40" is tightly fixed to the hole 20 and the rod 31 of the pin 30 is inserted into the hollow portion 40a ", the sealing portion 40 &Quot;) can be pressed against the rod 31 " between the hollow portion 40a " and the rod 31 ", and the outer circumferential surface of the rod 31 " and the inner circumferential surface of the sealing portion 40 " Can be.

When the pin 30 moves, the rod 31 ″ may move along the sealing portion 40 ″ while maintaining the contact with the sealing portion 40 ″.

When the pin 30 moves in the X direction by the user pressing the button 50, the sealing member 40 "fixed to the second body 11 is fixed to the hole 20 without moving, and the waterproof zone C And the submerged zone D can be kept constant without moving in the X direction.

FIG. 11 is a perspective view illustrating pins included in a mobile terminal according to a fourth exemplary embodiment of the present invention, FIG. 12 is a cross-sectional view taken along line HH of FIG. 11, and FIG. 13 is a metal member and a PCB of FIG. Connected with is a perspective view shown.

The mobile terminal according to the fourth embodiment includes a first body 10; A metal member 60 disposed on the first body 10; A second body 11 fixed inside the first body 10 and having a hole 20 'formed therein; A pin 80 having a rod 81 located inside the hole 20 '; It may include a sealing member 90 disposed to surround the rod 81 to seal between the rod 81 and the second body (11).

The mobile terminal of the present embodiment includes a PCB 70 disposed inside the second body 11; It may further include an antenna connector 72 connected to the PCB 70.

Since the first body 10, the second body 11 and the PCB 70 is the same as the first embodiment of the present invention, the same reference numerals are used and detailed description thereof will be omitted.

The hole 20 ′ formed in the second body 11 may be a pin through hole in which the pin 80 is penetrated.

The metal member 60 may be disposed to penetrate through the outer hole 21 formed in the first body 10. One surface of the metal member 60 may be located outside the first body 10, and the other surface may be located inside the first body 10.

The metal member 60 may be connected to the antenna connector 72 through the pin 80.

The metal member 60 may further include an outer metal body 61 disposed to penetrate the outer hole 21 and one surface of which is exposed to the outside of the first body 10. The metal member 60 may have a metal protrusion 62 protruding to contact the other end of the pin 80. The metal protrusion 62 may protrude from the outer metal body 61 toward the metal member contact end 84, which will be described later, of the pin 80, and may contact the metal member contact end 84 of the pin 80. have.

The antenna connector 72 may include a PCB connection body 73 connected to the PCB 70. The antenna connector 72 may have an antenna protrusion 74 protruding to contact one end of the pin 80. The antenna protrusion 74 may protrude from the PCB connection body 73 toward the flange 82 of the pin 80 and may contact the flange 82.

One end of the pin 80 may contact the metal member 60 and the other end of the pin 80 may contact the antenna connector 72.

The pin 80 may further include a flange 82 provided at one side of the rod 31 and positioned inside the second body 11. The flange 82 may be larger in size than the hole 20 '.

The flange 82 may be disposed in contact with the antenna connector 72.

The pin 80 may be formed with a metal member contact end 84 in contact with the metal member 60 on the opposite side of the flange (82).

The pin 80 may be located between the metal member 60 and the antenna connector 72 and may be in contact with each of the metal member 60 and the antenna connector 72.

The sealing member 90 may include a hollow portion 90a surrounding the rod 81 and a sealing portion 90c protruding from the hollow portion 90a and contacting the hole 20 '.

The hollow portion 90a may be fixed to be in close contact with the outer circumferential surface of the rod 81. The sealing member 90 may be fixed to the rod 31 to be integral with the rod 81. The hollow portion 90a may serve to increase the adhesive force or the grounding force by widening the contact surface between the sealing member 90 and the rod 81.

In this embodiment, the metal member 60, the pin 80 and the antenna connector 72 may function as an antenna of the mobile terminal, the sealing member 90 is a rod 81 and the second of the pin 80 The holes 20 'of the body 11 may be sealed.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention.

Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments.

The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

Claims

A first body;

A button disposed on the first body;

A second body fixed inside the first body and having a hole formed therein;

A pin moved by the button and having a rod movably inserted in the hole;

And a sealing member disposed to surround the rod to seal between the rod and the second body and move along the hole when the pin moves.
The method according to claim 1,

The sealing member is a mobile terminal fixed to the outer circumference of the rod.
The method according to claim 1,

A PCB disposed inside the second body;

Further comprising a dome switch disposed in the PCB,

And the pin is advanced toward the dome switch and guided to retract toward the button.
The method according to claim 3,

The pin further includes a flange provided on one side of the rod and located inside the second body,

The flange is a mobile terminal for pressing the dome switch when the other side of the rod is pressed by the button.
The method according to claim 4,

And the flange is larger in size than the hole.
The method according to claim 4,

The pin is provided with a button contact end in contact with the button on the opposite side of the flange.
The method according to claim 1,

The pin further comprises a movement guide formed in the rod and guided along the hole when the rod moves.
The method according to claim 7,

The mobile guide is formed to protrude from the rod and has a size in contact with the hole.
The method according to claim 1,

The pin is provided on one side of the rod and is located inside the second body and is larger in size than the hole;

And a movement guide provided on the other side of the rod and guided along the hole, the movement guide having the same size as the hole or smaller than the hole.
The method according to claim 1,

The sealing member

A hollow portion surrounding the outer circumference of the rod;

And a sealing portion protruding from the outer surface of the hollow portion and in contact with the second body.
The method according to claim 1,

The pin is a mobile terminal having a stepped portion is inserted into the sealing member is coupled.
The method according to claim 11,

The sealing member has an inner protrusion protruding from the inner circumference,

The stepped portion is a mobile terminal in which the inner stepped portion is inserted into the inner projection is recessed.
The method according to claim 1,

The sealing member

A sealing body portion surrounding the outer circumference of the rod and sealing between the rod and the first body;

And a button contact body portion covering the end portion of the rod facing the button and contacting the button.
The method according to claim 13,

The sealing body portion

A hollow portion surrounding the outer circumference of the rod.

A mobile terminal comprising a sealing portion protruding from the hollow portion.
A first body;

A button disposed on the first body;

A second body fixed inside the first body and having a hole formed therein;

A pin moved by the button and having a rod movably inserted in the hole;

And a sealing member disposed in the hole to seal between the rod and the second body and to guide the movement of the pin.
The method of claim 15,

The sealing member

A hollow part fixed to the second body and larger than the rod,

And a sealing portion protruding from an inner circumference of the hollow portion and contacting an outer surface of the rod.
A first body;

A metal member disposed on the first body;

A second body fixed inside the first body and having a hole formed therein;

A pin having a rod located inside the hole;

And a sealing member disposed to surround the rod to seal between the rod and the second body.
The method of claim 17,

A PCB disposed inside the second body;

Further comprising an antenna connector connected to the PCB,

The pin has one end in contact with the metal member and the other end in contact with the antenna connector.
The method of claim 18,

The pin further includes a flange provided on one side of the rod and located inside the second body and in contact with the antenna connector,

And the flange is larger in size than the hole.
The method of claim 18,

The antenna connector is provided with an antenna protrusion protruding to contact one end of the pin,

The metal member is a mobile terminal formed with a metal protrusion protruding to contact the other end of the pin.