JP4233415B2 - Portable device - Google Patents

Description

  The present invention generally relates to a mobile device, and more specifically to a mobile device configured by two housings rotatably attached.

  2. Description of the Related Art Conventionally, a clamshell type mobile phone in which two casings are rotatably connected via a hinge has been widely used. FIG. 16 is a perspective view showing an open state of a conventional clamshell type mobile phone. FIG. 17 is a perspective view showing the cellular phone in FIG. 16 in a closed state.

  Referring to FIGS. 16 and 17, a conventional mobile phone 101 includes a housing 102 and a housing 103. Cylindrical hinges 105 and 106 are provided at the ends of the casings 102 and 103, respectively. The shaft member extending along the rotation shaft 107 is passed through the hinges 105 and 106, so that the housing 102 and the housing 103 are rotatably attached. When the housings 102 and 103 are rotated, the cellular phone 101 can be changed between an open state and a closed state.

  A receiver 108 is provided at the end of the housing 103 located on the opposite side of the end provided with the hinge 106. A microphone 109 is provided at the end of the housing 102 located on the opposite side of the end provided with the hinge 105. The receiver 108 and the microphone 109 are provided on the surface 103 a of the housing 103 and the surface 102 a of the housing 102 that face each other with the cellular phone 101 closed. A user who uses the mobile phone 101 makes a call with the mobile phone 101 open, with his ear placed on the receiver 108 and his mouth close to the microphone 109.

In addition, an information device intended to improve the usability of a built-in camera is disclosed in Japanese Patent Laid-Open No. 2001-142564 (Patent Document 1). In the information device disclosed in Patent Document 1, the display unit and the main unit are connected by a hinge block. The hinge block is provided with a plurality of hinge mechanisms that are positioned independently of each other.
JP 2001-142564 A

  As described above, in the mobile phone 101 shown in FIGS. 16 and 17, the hinges 105 and 106 are arranged on one axis of the rotation shaft 107. In this case, a line 110 is formed at the boundary portion between the hinge 105 and the hinge 106. For this reason, in both the opened state and the closed state of the cellular phone 101, the mechanical structure combining the hinges 105 and 106 is exposed to the outside. This causes a problem that the aesthetic appearance of the mobile phone 101 is significantly impaired.

  In addition, the casings 102 and 103 each have a predetermined thickness, and the cellular phone 101 is closed, so that the surface 102a and the surface 103a face each other, so that the hinge 105 protrudes from the surface 102a. Is provided. Since the hinge 106 is combined with the hinge 105 and disposed on the rotating shaft 107, a step is formed between the surface 102a and the surface 103a with the hinges 105 and 106 interposed therebetween. For this reason, when a user makes a call using the mobile phone 101, the user's cheek hits the hinges 105 and 106, which makes it difficult to make a call.

  Accordingly, an object of the present invention is to solve the above-described problems, and to provide a portable device that is excellent in aesthetic appearance and easy to use.

A portable device according to the present invention includes a first casing, a second casing that is rotatably provided with respect to the first casing, a first outer peripheral surface, The first rotating part attached to the end of the housing and the second outer peripheral surface contacting the first outer peripheral surface, and attached to the end of the second housing, A second rotating unit that moves relative to the first rotating unit . The first and second rotating portions are provided at both ends of the end portions of the first and second casings, respectively, and a space for passing wiring is defined at the center of both ends. The portable device covers the first and second rotating portions and the space, and is exposed between the first housing and the second housing when the first and second housings are closed. A third housing is further provided. When the first and second casings are opened, the third casing is hidden by the first and second casings. The third housing has side surfaces, and the first and second housings extend so as to cover the side surfaces.

  According to the mobile device configured as described above, the mobile device can be changed between the opened state and the closed state by rotating the second housing with respect to the first housing. it can. In the present invention, the second rotating part moves relative to the first rotating part while maintaining a state in which the first and second outer peripheral surfaces are in contact with each other. At this time, since the second rotating part always moves along the locus outside the first rotating part, the first and second rotating parts are not arranged coaxially. For this reason, it is based on the mechanical structure which appears in the boundary part of a 1st rotation part and a 2nd rotation part when the 1st and 2nd rotation part is coaxially arrange | positioned on the external appearance of a portable apparatus. No line is formed. Thereby, the aesthetic appearance of a portable apparatus can be improved.

Further, when the portable device is opened by rotating the second housing, the first and second housings can be arranged so that the respective end portions face each other. In this case, the portable device can be formed in a shape that extends from the first casing to substantially the same plane across the first rotating section, the second rotating section, and the second casing. Thereby, since the 1st and 2nd rotation part does not become obstructive when using a portable device, the usability of a portable device can be improved.
In addition, the mechanical structure for rotating the first outer peripheral surface, the second outer peripheral surface, and the contact portion thereof by the third housing that covers the first and second rotating portions is a portable device. The appearance does not appear. For this reason, the aesthetic appearance of a portable apparatus can further be improved.
The third housing has side surfaces, and the first and second housings extend so as to cover the side surfaces. With such a configuration, when the user views the mobile device from the side of the third housing, only the first and second housings are visible. Thereby, the aesthetic appearance of a portable apparatus can further be improved. Further, since the first and second casings are used to cover the third casing, it is not necessary to provide a separate cover. Thereby, the number of parts of a portable device can be reduced and the manufacturing cost can be reduced.
The first and second rotating portions are provided at both ends of the end portions of the first and second casings, respectively, and a space for passing wiring is defined at the center of both ends. According to such a configuration, the first and second casings are stably supported by the first and second rotating portions provided at both ends of the casing. For this reason, the rotation operation of the second casing can be performed smoothly and reliably. Moreover, the space in the housing can be effectively used by passing the wiring through the space between the rotating portions provided at both ends of the housing. In addition, since the portable device according to the present invention has a configuration in which the first and second rotating portions are not arranged coaxially, a large space for allowing the wiring to pass therethrough can be secured. This makes it easier to pass the wiring through the space.

  Preferably, the first housing has a surface on which the first and second housings are closed and exposed to the outside and the camera unit is provided. The third casing is hidden by the first casing when the surface is viewed from the front. According to the mobile device configured as described above, when a person is photographed using the camera unit, the third casing is not visible to the photographed person, and the first casing provided with the camera unit is provided. Only the surface of can be seen. Thereby, it is possible to give a feeling as if the person being photographed is photographed with a dedicated camera instead of a portable device having a camera unit.

  Preferably, the first and second rotating parts are fixed to the first and second housings, respectively. According to the portable device configured as described above, the movement of the housing can be transmitted to the contact portion of the outer peripheral surface without waste. Accordingly, the movements of the housing and the rotating unit can be synchronized, and the second housing can be smoothly rotated with respect to the first rotating unit.

  Preferably, one of a gear and a roller is formed on the first and second outer peripheral surfaces. According to the portable device configured as described above, it is possible to prevent slippage between the first outer peripheral surface and the second outer peripheral surface by any of the gear and the roller. Thereby, the 2nd rotation part can be smoothly rotated with respect to the 1st rotation part.

  Preferably, a recess is formed in one of the first and second outer peripheral surfaces. A convex portion that engages with the concave portion is formed on the other of the first and second outer peripheral surfaces. According to the portable device configured as described above, it is possible to prevent slippage between the first outer peripheral surface and the second outer peripheral surface. Thereby, the 2nd rotation part can be smoothly rotated with respect to the 1st rotation part.

  Preferably, at least one of the first and second rotating portions is provided with a hinge mechanism for holding the opening and closing positions of the first and second housings. According to the portable device configured as described above, the hinge mechanism can be provided in both the first and second rotating portions. For this reason, the freedom degree of the design regarding this hinge mechanism can be improved. Moreover, a hinge mechanism can be provided in both the first and second rotating parts. In this case, the first and second housings can be reliably held at the predetermined opening / closing position as compared with the case where the hinge mechanism is provided in either one of the first and second rotating portions.

  Preferably, the first housing includes an operation button unit, and the second housing includes a liquid crystal display unit. According to the portable device configured as described above, the above-described effects can be obtained in the portable device that holds the first casing including the operation button unit and rotates the second casing including the liquid crystal display unit. Can do.

  As described above, according to the present invention, a portable device that is excellent in aesthetic appearance and easy to use can be provided.

  Embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)
1 is a perspective view showing a closed state of a mobile phone according to Embodiment 1 of the present invention. FIG. 2 is another perspective view showing the cellular phone in FIG. 1 in a closed state. FIG. 3 is a perspective view showing an opened state of the mobile phone in FIG.

  With reference to FIGS. 1 to 3, the mobile phone 1 is a clamshell type mobile phone having a camera function. The mobile phone 1 includes a housing 2, a housing 3 coupled to the housing 2, and a hinge cover 18 provided between the housing 2 and the housing 3 and covering a hinge mechanism (not shown). The housing 3 is provided so as to be rotatable with respect to the housing 2 via a hinge mechanism (not shown). By moving the housing 3 with respect to the housing 2 so as to be angularly displaceable, the shape of the mobile phone 1 changes between the closed state in FIGS. 1 and 2 and the open state in FIG.

  With reference to FIG. 1 and FIG. 2, the appearance of the mobile phone 1 is mainly composed of housings 2 and 3 and a hinge cover 18 in a state where the mobile phone 1 is closed. A camera unit 17 is provided on the surface 2 b of the housing 2 in the vicinity of the hinge cover 18. The surface 2b is a surface that faces the outside when the cellular phone 1 is closed and opened. The camera unit 17 includes a photographing lens, a photographing element such as a charge coupled device (CCD) image sensor or a complementary metal oxide semiconductor (CMOS) image sensor, and RGB color filters. In the camera unit 17, the light reflected by the subject and incident on the photographing lens is converted into RGB three-color light through a color filter, and the RGB three-color light is respectively incident on the CCD.

  A shutter button 5 for activating the camera function of the camera unit 17 is provided on the side surface 3 c of the housing 3. The user takes a picture of a landscape, a friend, or his / her figure by pointing the camera unit 17 toward the subject and pressing the shutter button 5. The photographed subject is recorded or stored as image data in the mobile phone 1, and the image data is transmitted to another mobile phone or taken into another terminal device.

  A sub display unit 16 is provided on the surface 3b of the housing 3 so as to be located approximately at the center of the surface 3b. The surface 3b is a surface that faces the outside when the cellular phone 1 is closed and opened. The sub display unit 16 is configured by a liquid crystal display, an EL (electro luminescent) display, or the like. The sub display unit 16 displays a character image for notifying the time, radio wave intensity, mail reception, and the like, and displays a subject photographed by the camera unit 17 when the mobile phone 1 is used as a camera. Is done.

  With reference to FIG. 3, a joint cover 12 is provided between the housing 2 and the housing 3 in a state where the mobile phone 1 is opened. On both sides of the joint cover 12, hinge covers 10 are provided to cover a hinge mechanism (not shown). The casings 2 and 3 are provided with a pressing plate 11 for fixing the hinge cover 10 to the casings 2 and 3. When the cellular phone 1 in the opened state is viewed from the front surfaces 2b and 3b, the hinge cover 18 in FIG. 2 is hidden by the housings 2 and 3.

  In the mobile phone 1, the surface 3a and the surfaces of the hinge cover 10 and the joint cover 12 are connected in substantially the same plane, and the surface 2a and the surfaces of the hinge cover 10 and the joint cover 12 are connected in substantially the same plane. The plane where the surface 3a continues and the surface where the surface 2a continues have a shape that intersects at a predetermined angle, for example, 160 degrees. That is, in the state where the cellular phone 1 is opened, the cellular phone 1 does not have a portion that significantly protrudes from the surfaces 3a and 2a.

  A main display unit 4 configured by a liquid crystal display, an EL display, or the like is provided on the surface 3 a of the housing 3. The surface 3a is a surface facing inward when the mobile phone 1 is closed and facing outward when the mobile phone 1 is open. On the front surface 3a, a receiver 6 is provided, which is located above the main display unit 4 and used during a call.

  On the surface 2a of the housing 2, an input button group 7 composed of keys for inputting numbers and characters, and a function button group 8 for performing various settings / function switching in the mobile phone 1 are provided. ing. The surface 2a is a surface facing inward when the mobile phone 1 is closed and facing outward when the mobile phone 1 is open. On the front surface 2 a, a microphone 9 for calling is provided below the input button group 7. When the mobile phone 1 is used as a phone, the user places the mobile phone 1 in an open state, puts his ear on the receiver 6 and brings his mouth close to the microphone 9 to make a call.

  With reference to FIGS. 1 to 3, the housing 2 includes a cabinet 2 m provided with the input button group 7 and the function button group 8, and a rear cabinet 2 n assembled to the cabinet 2 m and provided with the camera unit 17. It is configured. The housing 3 includes a cabinet 3m provided with the main display unit 4 and a back cabinet 3n assembled to the cabinet 3m and provided with the sub display unit 16.

  FIG. 4 is a front view of the mobile phone in FIG. 1 viewed from the camera unit side. Referring to FIG. 4, when mobile phone 1 is used as a camera, the user places mobile phone 1 in a closed state and holds mobile phone 1 such that the right index finger is put on shutter button 5, for example. In this state, the camera unit 17 is pointed at the subject, and the shutter button 5 is pressed while checking the subject displayed on the sub display unit 16. In this case, when viewed from the subject, the hinge cover 18 is almost hidden in the housing 2, and the subject is recognized as being photographed by the housing 2 provided with the camera unit 17. For this reason, the subject feels as if it was taken by a dedicated camera, not a mobile phone. Thereby, the perfection degree on the external appearance of the mobile telephone 1 used also as a camera can be raised.

  The mobile phone 1 can be used not only in the closed state but also in the opened state. In this case, the user can point the camera unit 17 at the subject and check the subject photographed by the main display unit 4.

  FIG. 5 is an exploded view of the mobile phone in FIG. FIG. 6 is a perspective view showing the mobile phone when the components shown in FIG. 5 are assembled. Referring to FIGS. 5 and 6, in the drawings, surfaces 2 a and 3 a of mobile phone 1 in an opened state are shown. Further, in the drawing, the cabinet 2m and the cabinet 3m and the parts assembled to these cabinets are shown in the range centering on the joint cover 12.

  At the end of the cabinet 2m facing the cabinet 3m, a hinge support portion 22 having a bifurcated shape, each of which is formed in a cylindrical shape is formed. The hinge support portions 22 are provided at both ends of the end portion of the cabinet 2m. Moreover, the hinge support part 21 which has the shape similar to the hinge support part 22 is shape | molded at the edge part of the cabinet 3m facing the cabinet 2m. The hinge support portions 21 are provided at both ends of the end portion of the cabinet 3m, and are provided at positions facing the hinge support portions 22.

  A gear 23 having an outer peripheral surface 23a on which a gear is formed and an opened shaft core is positioned on the hinge support 22. A gear 24 that has an outer peripheral surface 24 a formed with a gear and an opened shaft core and meshes with the gear 23 is positioned on the hinge support portion 21. Since the gear 23 and the gear 24 are engaged with each other, the outer peripheral surface 23a and the outer peripheral surface 24a are in contact with each other. In the present embodiment, the gears are provided only on both sides of the end of the cabinet, but the present invention is not limited to this. For example, the gear may be provided at the center of the end of the cabinet, or may be provided at both the center and end of the end of the cabinet.

  A hinge 27 is inserted into the shaft core of the hinge support portion 22 and the gear 23. The hinge 27 has an outer peripheral surface partially chamfered, and the hinge support portion 22 and the gear 23 similarly have an inner peripheral surface partially chamfered. For this reason, the gear 23 is fixed to the hinge support 22 in a state where the hinge 27 is inserted into the hinge support 22 and the gear 23. That is, when the gear 23 is rotated, the cabinet 2m is also rotated at the same time.

  A cam built-in hinge 26 is inserted in the shaft core of the hinge support portion 21 and the gear 24. The cam built-in hinge 26 has an outer peripheral surface partially chamfered, and the hinge support portion 21 and the gear 24 similarly have an inner peripheral surface partially chamfered. For this reason, the gear 24 is fixed to the hinge support 21 in a state where the cam built-in hinge 26 is inserted into the hinge support 21 and the gear 24. That is, when the gear 24 is rotated, the cabinet 3m is also rotated at the same time. The cam built-in hinge 26 is provided with a cam mechanism for holding the mobile phone 1 in the closed state in FIGS. 1 and 2 and the open state in FIG.

  The gears 23 and 24 are arranged such that the shaft core of the gear 23 and the shaft core of the gear 24 extend in parallel with each other at a predetermined distance. That is, the gear 23 and the gear 24 are arranged on different axes.

  In this embodiment, the cam built-in hinge 26 is attached to the cabinet 3m, but it may be attached to the cabinet 2m. Further, the cam built-in hinge 26 may be attached to both the cabinet 3m and the cabinet 2m. In this case, the force for holding the cellular phone 1 in the opened state and the closed state can be applied more greatly. Further, by providing a large number of cam built-in hinges 26, the holding force borne by one cam built-in hinge 26 can be reduced. As a result, the cam built-in hinge 26 can be reduced in size, and thus the mobile phone 1 can be reduced in size.

  The hinge cover 10 is provided so as to cover the gears 23 and 24. A rectangular recess 28 is formed on the surfaces 2a and 3a, and the presser plate 11 is fitted into the recess 28, whereby the hinge cover 10 is fixed at a predetermined position.

  FIG. 7 is an exploded view showing the back side of the mobile phone in FIG. FIG. 8 is a perspective view showing the mobile phone when the components shown in FIG. 7 are assembled. Referring to FIGS. 7 and 8, in the drawings, the exploded view shown in FIG. 5 and the perspective view shown in FIG. 6 are shown from the opposite side of the surfaces 2a and 3a.

  The joint cover 12 is adjacent to the hinge support portions 21 and 22 and is provided at two portions provided at a distance from each other, from the periphery of one portion 12m to the periphery of the other portion 12m, and the surface 2a and It is comprised from the part 12n opened on the opposite side with respect to 3a. In the portion 12m, a plurality of holes 12h communicating with openings formed in the shaft cores of the gears 23 and 24 are formed. In the portion 12n, notches 12q and 12p are formed at positions facing the cabinet 2m and the cabinet 3m, respectively. A space 31 is defined by the portions 12m and 12n in the center of the end portions of the cabinets 2m and 3m.

  The hinge 27 inserted into the hinge support portion 22 and the gear 23 is further inserted into a hole 12 h formed in the joint cover 12, and a stopper washer 32 is attached to the tip of the hinge 27. Further, the cam built-in hinge 26 inserted into the hinge support portion 21 and the gear 24 is further inserted into the hole 12h formed in the joint cover 12, and is fitted by the claw portion at the tip of the elastic plate integrally formed with the hinge.・ It is prevented from coming off. The method for preventing the hinge 27 from coming off may be a method in which the washer 32 is not used.

  FIG. 9 is an exploded view showing components further assembled to the mobile phone in FIG. Referring to FIG. 9, main board 39 is attached to the back side of cabinet 2m, and LCD board 38 is attached to the back side of cabinet 3m. The main board 39 and the LCD board 38 are electrically connected by a flexible printed circuit (FPC) 36.

  The flexible printed circuit board 36 is configured by a flexible insulating film and wiring formed on the surface of the insulating film. The insulating film is made of, for example, polyester or polyimide. By using a screen printing method or a photoresist method, a wiring having a predetermined pattern shape can be formed on the surface of the insulating film. In addition, another insulating film is bonded to the surface of the wiring for the purpose of protecting the circuit, ensuring electrical insulation, improving flexibility, and the like.

  Referring to FIGS. 8 and 9, flexible printed circuit board 36 is formed in a band shape, passes through notch 12q from the cabinet 2m side, and is wound once in space 31. Then, it passes through the notch 12p and extends to the cabinet 3m side. In the present embodiment, a structure in which the gears 23 and 24 are arranged on different axes is employed as the hinge mechanism, so that the hinge mechanism can be arranged on both sides of the end portion of the cabinet. For this reason, a relatively wide space 31 can be secured at the center of the end of the cabinet. As a result, the amount of wiring connecting the main board 39 and the LCD board 38 is increased, and even when the width of the flexible printed board 36 is increased, the flexible printed board 36 is placed in the space 31 without interfering with the joint cover 12. Can pass through. The flexible printed circuit board 36 may not be wound once in the space 31 as long as there is no problem in durability when the casing is opened and closed.

  A spacer nut 40 is inserted into the hinge support portion 21 having a cylindrical shape until it abuts against the end face of the cam built-in hinge 26. Then, the hinge cover 18 that covers the joint cover 12 and the gears 23 and 24 is attached using screws 41. The hinge cover 18 has a side surface 18c extending parallel to the side surface 3c of the housing 3 in FIG. The spacer nut 40 and the screw 41 can be abolished by an integral structure with the hinge or by integrally forming a protrusion fitting from the hinge cover 18 to the opening side of the hinge support portions 21 and 22. is there.

  FIG. 10 is an exploded view showing parts further assembled to the mobile phone in FIG. Referring to FIG. 10, rear cabinet 2 n is attached to cabinet 2 m using screws 46. The back cabinet 3n is attached to the cabinet 3m using the screws 46. Thereby, the main substrate 39 and the LCD substrate 38 are accommodated in the housings 2 and 3, respectively.

  The back cabinet 2n and the back cabinet 3n are provided so as to cover the side surface 18c of the hinge cover 18. For this reason, only the back cabinet 2n and the back cabinet 3n constitute the appearance when the mobile phone 1 is viewed from the side. Thereby, the aesthetic appearance of the mobile phone 1 can be improved.

  FIG. 11 is a cross-sectional view showing the hinge mechanism of the cellular phone in the closed state in FIG. 11 is a cross-sectional view taken along the line XI-XI in FIG. FIG. 12 is a cross-sectional view showing the hinge mechanism in the middle of changing the closed cellular phone in FIG. 1 to the open state. FIG. 13 is a cross-sectional view showing a hinge mechanism when the closed cellular phone in FIG. 1 is changed to an open state.

  Referring to FIG. 11, gear 23 and gear 24 mesh with each other on a plane where surface 2a and surface 3a face each other. The casing 3 is provided in a state where the end of the cabinet 3m is caught in a groove formed on the outer peripheral surface 24a of the gear 24. The casing 2 is provided in a state where the end of the cabinet 2m is caught in a groove formed on the outer peripheral surface 23a of the gear 23. The mobile phone 1 is held in a closed state by the action of the cam built-in hinge 26 inserted into the shaft core of the gear 24.

  Referring to FIG. 12, when the housing 2 is fixed and the housing 3 is rotated in the direction indicated by the arrow 48, the gear 24 follows the alternate long and short dash line 49 while maintaining the meshed state with the gear 23. Move. At this time, since the distance between the axes of the two gears is always constant, the housing 3 can be moved with respect to the housing 2 along a predetermined locus. Further, since the gears 23 and 24 are fixed to the casings 2 and 3, the rotational movement of the casing 3 and the movement of the gear 24 can be synchronized. For the above reasons, the housing 3 can be smoothly rotated with respect to the housing 2.

  Referring to FIG. 13, when casing 3 is rotated until cellular phone 1 is in the open state, cellular phone 1 is opened by the action of cam built-in hinge 26 inserted into the shaft core of gear 24. Kept in a state. Even when the cellular phone 1 is opened, the gear 23 and the gear 24 are kept engaged. For this reason, when the mobile phone 1 is used in an opened state, there is no problem that the housings 2 and 3 are displaced from each other and difficult to use.

  Further, with reference to FIG. 13, the shape of the cellular phone 1 in the opened state will be further described. The gear 23 is placed at the end of the casing 2 so as to be almost within the thickness range of the casing 2. Is provided. The gear 24 is provided at the end of the housing 3 so as to be substantially within the thickness range of the housing 3. For this reason, even when the hinge cover 10 is attached, the hinge mechanism that couples the housings 2 and 3 does not protrude greatly from the surfaces 2a and 3a. In the hinge mechanism that connects the casings 2 and 3 having a predetermined thickness so as to be freely opened and closed, such a shape is realized for the first time by the mobile phone 1 of the present embodiment in which the gears 23 and 24 are arranged on different axes. The

  A mobile phone 1 as a portable device according to the first embodiment of the present invention includes a case 2 as a first case and a second case provided so as to be rotatable with respect to the case 2. The housing 3, the outer peripheral surface 23 a as the first outer peripheral surface, the gear 23 as the first rotating portion attached to the end of the housing 2, and the second contacting the outer peripheral surface 23 a. And an outer peripheral surface 24 a as an outer peripheral surface, and a gear 24 as a second rotating portion attached to the end of the housing 3. The gear 24 moves with respect to the gear 23 when rotating.

  The mobile phone 1 further includes hinge covers 10 and 18 as third housings that cover the gears 23 and 24. The housing 2 is exposed to the outside with the housings 2 and 3 closed, and has a surface 2b on which the camera unit 17 is provided. The hinge cover 18 is hidden by the housing 2 when the surface 2b is viewed from the front. The hinge cover 18 has a side surface 18c. The housings 2 and 3 extend so as to cover the side surface 18c.

  The gears 23 and 24 are provided at both ends of the ends of the casings 2 and 3, respectively. In the center of both ends, a space 31 for passing wiring is defined. The gears 23 and 24 are fixed to the housings 2 and 3, respectively. One of a gear and a roller is formed on the outer peripheral surfaces 23a and 24a.

  At least one of the gears 23 and 24 is provided with a cam built-in hinge 26 as a hinge mechanism for holding the open / close position of the housings 2 and 3. The casing 2 includes an input button group 7 and a function button group 8 as operation button sections, and the casing 3 includes a main display section 4 and a sub display section 16 as liquid crystal display sections.

  In the present embodiment, the clamshell type mobile phone 1 has been described, but the mobile device according to the present invention is not limited to this. The portable device may be, for example, a personal digital assistant (PDA), a notebook computer, a word processor, or the like.

  According to the mobile phone 1 configured as described above, a hinge mechanism that rotatably connects the housings 2 and 3 is configured by a structure in which the gears 23 and 24 mesh with each other. For this reason, when the hinge mechanism provided in each of the housings 2 and 3 is coaxially arranged, a line formed at the boundary portion of the hinge mechanism does not appear as the appearance of the mobile phone 1. The gears 23 and 24 are covered with hinge covers 10 and 18. For this reason, in both the opened state and the closed state of the mobile phone 1, the hinge mechanism that connects the housings 2 and 3 does not appear as an appearance. For the above reasons, the aesthetic appearance of the mobile phone 1 can be improved.

  Further, the hinge mechanism for rotatably connecting the casings 2 and 3 does not protrude greatly from the surfaces 2a and 3a when the cellular phone 1 is opened. For this reason, when the mobile phone 1 is used as a telephone, the hinge mechanism does not get in the way, and the user can make a call comfortably.

(Embodiment 2)
FIG. 14 is a perspective view partially showing a mobile phone according to Embodiment 2 of the present invention. The mobile phone according to the second embodiment of the present invention basically has the same structure as that of the mobile phone 1 according to the first embodiment, but only the hinge mechanism for rotatably connecting the casings is different. Hereinafter, description of overlapping structures will be omitted.

  Referring to FIG. 14, the mobile phone in a state where hinge cover 10 and pressing plate 11 in FIG. 1 are removed is shown. A roller 52 having an outer peripheral surface 52 a having a relatively high friction coefficient and an opened shaft core is positioned on the hinge support portion 22. On the hinge support portion 21, a roller 51 having an outer peripheral surface 51a having a relatively high coefficient of friction and an opened shaft core is positioned. The outer peripheral surface 51a and the outer peripheral surface 52a are in contact.

  The rollers 51 and 52 are formed of, for example, a rubber member. In the rollers 51 and 52, only the outer peripheral portion including the outer peripheral surfaces 51a and 52a may be formed of a rubber member, and the other portions may be formed of ABS (acrylonitrile-butadiene-styrene) resin or the like. The rollers 51 and 52 may have fine irregular shapes formed on the outer peripheral surfaces 51a and 52a. In this case, the coefficient of friction of the outer peripheral surfaces 51a and 52a can be increased, and the occurrence of slippage on the contact surface can be prevented.

  When the casing 2 is fixed and the casing 3 is rotated, the roller 51 draws a predetermined locus while rotating around the outer peripheral surface 52a while maintaining the state where the outer peripheral surfaces 51a and 52a are in contact with each other. Move. Thereby, the shape of the mobile phone changes between a closed state and an open state.

  According to the mobile phone configured as described above, the same effects as those described in the first embodiment can be obtained.

(Embodiment 3)
FIG. 15 is a perspective view partially showing a mobile phone according to Embodiment 3 of the present invention. The mobile phone according to the third embodiment of the present invention basically has the same structure as that of the mobile phone 1 according to the first embodiment, but only the hinge mechanism that rotatably connects the casings is different. Hereinafter, description of overlapping structures will be omitted.

  Referring to FIG. 15, the mobile phone in a state where hinge cover 10 and pressing plate 11 in FIG. 1 are removed is shown. In the hinge support portion 22, a rotating member 62 having an outer peripheral surface 62a in which a concave portion 64 is formed and an opened shaft core is positioned. The recesses 64 are formed at predetermined intervals along the circumferential direction of the outer peripheral surface 62a. On the hinge support portion 21, a rotating member 61 having an outer peripheral surface 61a on which a convex portion 63 is formed and an opened shaft core is positioned. The protrusions 63 are formed at predetermined intervals along the circumferential direction of the outer peripheral surface 61a. The outer peripheral surface 62a and the outer peripheral surface 61a face each other and contact each other, and the convex portion 63 is fitted into the concave portion 64 in the vicinity thereof.

  Note that a plurality of convex portions 63 and concave portions 64 may be formed side by side in the axial direction of the rotating members 61 and 62. In this case, the convex portion 63 and the concave portion 64 may be formed in a state shifted in the axial direction of the rotating members 61 and 62, that is, arranged in a staggered manner in the circumferential direction of the rotating members 61 and 62. The rotating member 62 may be provided with a convex portion, and the rotating member 61 may be provided with a concave portion.

  When the housing 2 is fixed and the housing 3 is rotated, the rotating member 61 rotates around the outer peripheral surface 62 a while the convex portion 63 is fitted into the concave portion 64 one after another, and the rotating member 62 is rotated. Move along a predetermined trajectory. Thereby, the shape of the mobile phone changes between a closed state and an open state.

  In the mobile phone according to the third embodiment of the present invention, a recess 64 is formed in one of outer peripheral surfaces 61a and 62a as the first and second outer peripheral surfaces. A convex portion 63 that engages with the concave portion 64 is formed on the other of the outer peripheral surfaces 61a and 62a.

  According to the mobile phone configured as described above, the same effects as those described in the first embodiment can be obtained.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

It is a perspective view which shows the closed state of the mobile telephone in Embodiment 1 of this invention. It is another perspective view which shows the closed state of the mobile telephone in FIG. FIG. 2 is a perspective view showing an open state of the mobile phone in FIG. 1. It is the front view which looked at the mobile telephone in FIG. 1 from the camera part side. FIG. 4 is an exploded view of the mobile phone in FIG. 3. It is a perspective view which shows a mobile telephone when the components shown in FIG. 5 are assembled | attached. FIG. 6 is an exploded view showing the back side of the mobile phone in FIG. 5. It is a perspective view which shows a mobile telephone when the components shown in FIG. 7 are assembled | attached. FIG. 9 is an exploded view showing components further assembled to the mobile phone in FIG. 8. FIG. 10 is an exploded view showing parts further assembled to the mobile phone in FIG. 9. It is sectional drawing which shows the hinge mechanism of the mobile telephone of the closed state in FIG. It is sectional drawing which shows the hinge mechanism in the middle of changing the cellular phone of the closed state in FIG. 1 to the open state. It is sectional drawing which shows the hinge mechanism at the time of changing to the state which opened the mobile telephone of the closed state in FIG. It is a perspective view which shows partially the mobile telephone in Embodiment 2 of this invention. It is a perspective view which shows partially the mobile telephone in Embodiment 3 of this invention. It is a perspective view which shows the open state of the conventional clamshell type mobile phone. It is a perspective view which shows the closed state of the mobile telephone in FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Mobile phone, 2, 3 Case, 2b surface, 4 Main display part, 7 Input button group, 8 Function button group, 10, 18 Hinge cover, 16 Sub display part, 17 Camera part, 18c Side, 23, 24 Gear , 23a, 24a, 51a, 52a, 61a, 62a, outer peripheral surface, 26 cam built-in hinge, 31 space, 51, 52 roller, 61, 62 rotating member, 63 convex portion, 64 concave portion.

Claims (7)

A first housing;
A second housing provided to be rotatable with respect to the first housing;
A first rotating portion having a first outer peripheral surface and attached to an end of the first housing;
A second rotation that has a second outer peripheral surface that contacts the first outer peripheral surface, is attached to an end of the second casing, and moves relative to the first rotating portion when rotating. and a dynamic part,
The first and second rotating portions are respectively provided at both ends of the end portions of the first and second casings, and a space for passing wiring is defined at the center of both ends,
When the first and second rotating parts cover the space and the first and second casings are closed, they are exposed between the first casing and the second casing. further comprising a third housing which,
If you open the first and second housings, Ri Do a state of the third enclosure is hidden by the first and second housings,
The third housing has a side surface, said first and second housing extends to cover the side surfaces, portable device.   The first casing is exposed to the outside in a state in which the first and second casings are closed, and has a surface on which a camera unit is provided, and the third casing has the front facing the surface. The mobile device according to claim 1, wherein the mobile device is hidden by the first housing when viewed from the top. The portable device according to claim 1 or 2 , wherein the first and second rotating portions are fixed to the first and second housings, respectively. The portable device according to any one of claims 1 to 3 , wherein one of a gear and a roller is formed on the first and second outer peripheral surfaces. A concave portion is formed on one of the first and second outer peripheral surfaces, and a convex portion that engages with the concave portion is formed on either one of the first and second outer peripheral surfaces. The portable device according to any one of claims 1 to 4 . Wherein at least either of the first and second rotating part, the first and second housing hinge mechanism for holding the closing position of are provided, one of claims 1 to 5 The portable device according to claim 1. The portable device according to any one of claims 1 to 6 , wherein the first casing includes an operation button unit, and the second casing includes a liquid crystal display unit.

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