JP2010272933A - Cabinet locking mechanism and portable device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent that a locking mechanism which locks cabinets in a condition that the cabinets are piled up and closed, extends to a cabinet inside, and improves freedom of layout arranging electronic components. <P>SOLUTION: A first cabinet (1) and a second cabinet (2) are relatively movable from a condition that they are piled up and closed, and the cabinet structure has the locking mechanism in which the first cabinet (1) and the second cabinet (2) are locked in a closed condition. The locking mechanism includes: a locking member 26 which is assembled to be able to go out or go in for one cabinet of the first cabinet (1) or the second cabinet (2), and can lock or release to another cabinet by projecting from the one cabinet; an elastic member 25 which gives energy to the locking member 26 in a direction projecting from the one cabinet; and an operation member 24 which operates the locking member 26 in a direction going in the one cabinet. The elastic member 25 and the operation member 24 are arranged in parallel. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a mechanism that locks a casing in a closed state and a portable device that includes the casing locking mechanism.

  Patent Document 1 discloses a mechanism that locks a casing in a folded state in a foldable portable terminal that can be opened vertically or horizontally from a folded state. As shown in FIG. 10, the lock mechanism of Patent Document 1 has a stopper claw, a stopper shaft, and a spring arranged in a straight line.

JP 2007-113686 A

  However, when a mechanism for locking the housing in the folded state is provided, as in Patent Document 1, if the stopper claws, stopper shafts, and springs are arranged in a straight line toward the inside of the housing, the electronic components inside the housing are arranged. It has become necessary to shift the arrangement, and the degree of freedom in layout for arranging electronic components has been impaired.

  An object of the present invention is to prevent a lock mechanism that locks a casing in a closed state from being extended into the casing, and to improve the degree of freedom of layout in which electronic components are arranged.

  In order to solve the above problems, the invention according to claim 1 is relatively movable from a state in which the first casing and the second casing are overlapped and closed, and the first casing and the second casing are movable. A housing structure including a locking mechanism that locks the body in a closed state, wherein the locking mechanism is assembled so as to be able to protrude and retract with respect to one of the first housing and the second housing. A locking member that protrudes from the housing and can be engaged with and disengaged from the other housing, an elastic member that urges the locking member in a direction protruding from the one housing, and the locking member in the one housing And an operation member that operates in the immersion direction, wherein the elastic member and the operation member are arranged in parallel.

  Invention of Claim 2 is the housing | casing lock mechanism of Claim 1, Comprising: The said 1st housing | casing and 2nd housing | casing can be opened by rotating relatively from the folded state. Features.

  A third aspect of the present invention is the housing lock mechanism according to the first or second aspect, wherein the operation member is a slide knob for performing a slide operation.

  A fourth aspect of the present invention is the housing lock mechanism according to the first or second aspect, wherein the operation member is a push button for performing a push operation.

  A fifth aspect of the present invention is the housing locking mechanism according to the first or second aspect, wherein the operation member is a rotary knob that is rotated.

  A sixth aspect of the present invention is the casing locking mechanism according to any one of the first to fifth aspects, wherein the locking member is capable of rotating the first casing and the second casing. The hinge shaft can be engaged and disengaged.

  The invention according to claim 7 is the housing lock mechanism according to any one of claims 1 to 6, wherein the lock mechanism is unlocked with respect to the first housing by the second housing. It is characterized in that it is performed in a book style that opens horizontally.

  The invention according to an eighth aspect is characterized by a portable device including the housing lock mechanism according to any one of the first to seventh aspects.

  According to the present invention, the lock mechanism that locks the casing in a closed state can be prevented from extending into the casing, and the degree of freedom in layout for arranging electronic components can be increased.

BRIEF DESCRIPTION OF THE DRAWINGS It is the perspective view which showed the structure of one Embodiment of the portable apparatus to which this invention is applied, and showed the folding state of the mobile telephone. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 1 in the vertical direction. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 1 in the horizontal direction. It is the perspective view which showed the movie style state of the mobile telephone of FIG. It is the figure which showed the hinge unit in the folding state of FIG. It is the figure which showed the method of wiring in the folding state of FIG. It is an expansion perspective view which combined the hinge unit of FIG. 5, and the wiring of FIG. It is a perspective view corresponding to the folding state of the hinge unit of FIG. It is the enlarged view which looked at the cellular phone of the folded state of Drawing 1 from the other end side. It is the figure which showed the screen and the direction of a camera in the vertical direction open state of FIG. It is the figure seen from the opposite side to FIG. It is the figure which also showed the bumper part on the opposite side to FIG. FIG. 9 is a diagram corresponding to a vertically opened state of the hinge unit of FIG. 8. It is the figure which showed the book style in the horizontal direction open | released state of FIG. It is a figure corresponding to the book style of the hinge unit of FIG. It is the figure which showed the screen and the direction of a camera in the movie style of FIG. It is the top view seen from the upper direction of FIG. It is the figure which showed the way of seeing from the opposite side in the movie style of FIG. It is a figure corresponding to the movie style of the hinge unit of FIG. It is the figure which looked at the mobile phone of the folded state of FIG. 9 from the upper side. It is an enlarged view of the lock release switch part of FIG. It is the figure which made the portable telephone of FIG. 20 the book style. It is the figure which showed the internal mechanism of the lock release switch part of FIG. It is the figure which showed only the locking mechanism of FIG. It is the figure which looked at the locking mechanism of FIG. 24 from the lower side. It is principal part sectional drawing which showed the locked state of FIG. It is the figure which showed the lock release state from the lock state of FIG. It is the top view which showed Embodiment 2 of the locking mechanism. It is the perspective view which showed only the locking mechanism of FIG. It is a top view of the locking mechanism of FIG. It is a side view of the locking mechanism of FIG. It is the top view which showed Embodiment 3 of a locking mechanism. It is the perspective view which looked at only the lock mechanism of FIG. 32 from the lower side. It is a top view of the locking mechanism of FIG. It is a side view of the locking mechanism of FIG. It is the top view which showed Embodiment 4 of the locking mechanism. It is the perspective view which showed only the locking mechanism of FIG. It is a top view of the locking mechanism of FIG. It is a side view of the locking mechanism of FIG. It is the top view which showed Embodiment 5 of the locking mechanism. It is the perspective view which showed only the locking mechanism of FIG. It is a top view of the locking mechanism of FIG. FIG. 43 is a side view of the lock mechanism of FIG. 42. It is the figure which showed the lock release state from the lock state of FIG. It is the top view which showed Embodiment 6 of the locking mechanism. It is the perspective view which showed only the locking mechanism of FIG. FIG. 47 is a cutaway side view showing when the lock mechanism of FIG. 46 is unlocked. It is the figure which showed the state which moved to the locking direction from the unlocking state of FIG.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.
(Embodiment 1)
1 to 4 show a mobile phone as a configuration of an embodiment of a mobile device to which the present invention is applied. 1 is a first casing, 2 is a second casing, 3 is a third casing, Is an operation unit, 5 is a display unit, 6 is an antenna, 7 is an input unit (imaging unit), and 8 is an illumination unit.

  In the mobile phone, as shown in the figure, the first housing 1, the second housing 2, and the third housing 3 are coupled via a biaxial hinge unit 10 described later. The first housing 1 is provided with an operation unit 4, the second housing 2 is provided with a display unit 5 and an antenna 6, and the third housing 3 is provided with an imaging unit 7 and an illumination unit 8 as input units. Is provided.

  5 and 8 show a biaxial hinge unit 10 incorporated in the third housing 3, 11 is a first rotating shaft, 12 is a second rotating shaft, and 13 is a frame of the third housing 3. , 21 is a first mounting member, and 22 is a second mounting member.

  As shown in the figure, the biaxial hinge unit 10 includes a pair of left and right first rotary shafts 11, a right second rotary shaft 12, a frame 13 of the third housing 3 in the center, and the first rotary shaft 11. And a pair of left and right first mounting members 21 provided on the second rotating shaft 12 and a second mounting member 22 provided on the second rotating shaft 12.

  That is, the first rotating shaft 11 is a hollow shaft whose axis is directed in the left-right direction, and is rotatably integrated with the lower portion of the bracket 14 screwed to the left and right side surfaces of the frame 13 via bearing members. ing. An arm-shaped first attachment member 21 that extends in a direction orthogonal to the axis of the first rotating shaft 11 and is screwed and fixed inside the first housing 1 is press-fitted and integrated with each other. Yes. The rotation angle of the first mounting member 21 is limited to about 180 degrees or the like due to the engagement structure with the bearing member of the first rotating shaft 11. The first rotary shaft 11 on the left side of the figure is assembled to the frame 13 via a bearing member 15 that provides a click feeling corresponding to a predetermined angle such as 90 degrees.

  The second rotary shaft 12 is a hollow shaft whose axis is directed in the front-rear direction, and is rotatable through a bearing member on a protrusion 16 formed integrally with the upper portion of the bracket 14 on the right side of the frame 13 in the drawing. It is integrated. An arm-shaped second mounting member 22 that extends in a direction orthogonal to the axis of the second rotating shaft 12 and is screwed and fixed inside the second housing 2 is press-fitted and integrated. . The rotation angle of the second mounting member 22 is limited by engaging the engagement piece 16 a provided on the protrusion 16 with the groove 12 a formed on the outer periphery of the second rotation shaft 12.

  6 shows the first wiring 31 and the second wiring 32, and FIG. 7 is a diagram in which the biaxial hinge unit 10, the first wiring 31 and the second wiring 32 are combined.

  That is, the first wiring 31 includes a connector 31a connected to the substrate in the first housing 1 at one end and a connector 31c connected to the substrate in the third housing 3 at the other end. 7 is passed through the hollow portion of the first rotating shaft 11 on the right side.

  The second wiring 32 includes a connector 32a connected to the substrate in the first housing 1 at one end and a connector 32b connected to the substrate in the second housing 2 at the other end. 7 is passed through the hollow portion of the second rotary shaft 12 through the hollow portion of the right first rotary shaft 11.

  In addition, the antenna wire 33 provided with a terminal 33 a connected to the substrate in the first housing 1 at one end and the terminal 33 b connected to the substrate in the second housing 2 at the other end is also connected to the second wiring 32. Similarly, in FIG. 7, it passes through the hollow portion of the first rotary shaft 11 on the right side and passes through the hollow portion of the second rotary shaft 12.

  FIG. 9 is an enlarged view of the folded cellular phone shown in FIG. 1 as viewed from the other end side. The third housing 3 is composed of a lower case 34 and an upper case 35, and is lower than the upper case 35. The case 34 is located in a recess 1 a formed at the end of the first housing 1. The first rotating shaft 11 penetrates between the lower case 34 and the protruding portions 1b located on both sides of the recess 1a of the first housing 1, whereby the third housing 3 is moved to the first housing 1. On the other hand, the first rotation shaft 11 can be opened and closed in the vertical direction.

  Further, as shown in the drawing, the upper case 35 is located on the extension of the second housing 2 in the folded state. The second rotating shaft 12 passes between one side portion of the upper case 35 and the second housing 2, whereby the second housing 2 is located on the second side on the one side with respect to the third housing 3. The rotary shaft 12 can be opened and closed laterally.

  And the protrusion part which closes the open part of the upper case 35 is formed in the upper left and right of the lower case 34, and the bumper 23 by the shock absorbing material of soft materials, such as rubber | gum, is provided in the lower surface of this protrusion part.

  Further, a lock release switch 24 is assembled between the protruding portion of the lower case 34 and the side surface of the upper case 35 as a lock release operation member that slides. By the slide operation of the lock release switch 24, the concave portion 29 formed on the end surface of the second housing 2 is urged by the coil spring 25 (see FIGS. 23 to 25) in a direction protruding from the end surface of the third housing 3. The lock piece 26 (see FIGS. 23 to 27) that engages (see FIGS. 26 and 27) is retracted to release the lock.

  First, FIG. 1 and FIG. 9 show a state in which the first housing 2 and the third housing 3 are folded on the first housing 1, and FIG. 8 shows a biaxial hinge corresponding to the folded state. The unit 10 is shown. That is, the first attachment member 21 and the second attachment member 22 are oriented in parallel to the same direction from the frame 13.

  Next, FIGS. 2 and 10 to 12 show a normal open style in which the second housing 2 and the third housing 3 are opened in the vertical direction around the first rotation shaft 11 with respect to the first housing 1. 10 and 11, the direction indicated by the arrow A indicates the direction of the photographing unit 7, and the direction indicated by the arrow B indicates the direction of the screen of the display unit 5. FIG. 13 shows the biaxial hinge unit 10 corresponding to the normal open style. In other words, the first mounting member 21 and the second mounting member 22 face the frame 13 in opposite directions.

In the above normal open style, when the second casing 2 and the third casing 3 are opened in the vertical direction around the first rotation shaft 11 with respect to the first casing 1, the bumper 23 is The impact is buffered by coming into contact with the back surface of the protruding portion 1b.
In this way, the bumper 23 that normally cushions in an open style is provided on the inner side surface of the third housing 3 in a folded state in consideration of design, and is disposed at a position that cannot be seen from the appearance.

  Next, in FIGS. 3 and 14, the second housing 2 is opened laterally around the second rotation shaft 12 with respect to the first housing 1 and the third housing 3 to make the display unit 5 horizontally long. FIG. 15 shows a biaxial hinge unit 10 corresponding to the book style. That is, the second attachment member 22 faces one side with respect to the frame 13 and the first attachment member 21 in the folded state.

  Next, FIGS. 4 and 16 to 18 show that the display unit 5 is horizontally long by rotating the second housing 2 and the third housing 3 by 90 degrees about the first rotating shaft 11 with respect to the first housing 1. In FIG. 16 and FIG. 17, the direction indicated by the arrow A indicates the orientation of the photographing unit 7, and the direction indicated by the arrow B indicates the orientation of the screen of the display unit 5. FIG. 19 shows the biaxial hinge unit 10 corresponding to the movie style. In other words, the first mounting member 21 is oriented in the direction perpendicular to the frame 13 and the second mounting member 22 in the folded state.

  In the movie style, as shown in FIGS. 16 to 18, the shutter key 41 and the zoom key 42 provided on the upper surface of the first housing 1 near the third housing 3, as well as the first housing. A sub menu key 43, a screen display switching key 44, an A-MAT (voice zoom) ON / OFF key 45, a face pita ON / OFF key 46, a backlight correction key 47, A white balance key 48 and a second shooting key 49 are used.

  The submenu key 43, the screen display switching key 44, the A-MAT (voice zoom) ON / OFF key 45, the face pita ON / OFF key 46, the backlight compensation key 47, the white balance key 48, and the second shooting key 49 are displayed. A portion along the line is printed to that effect.

  Bumpers 51 and 52 are provided along the vertical direction on the inner surface of the first housing 1 and before and after the operation unit 4. The bumpers 51 and 52 buffer shocks when the second casing 2 and the third casing 3 are folded against the first casing 1, and further, a lower case and an upper casing constituting the first casing 1. It also serves as a screw concealment that conceals the screws that hold the case together.

  In the above movie style, as shown in phantom lines in FIG. 18, the thumb can be held along the bumper 51, the index finger can be held along the zoom key 42, the middle finger can be held along the shutter key 41, and the right hand can be held. That is, it is possible to realize a movie style having a grip feeling that is easy to hold with the right hand. In this case, the surface of the bumper 51 on the side close to the third housing 3 is subjected to a texture process that functions as a slip stopper for the thumb.

  A microphone hole 53 is provided in a portion of the first housing 1 that is spaced above the white balance key 48. In addition, a pair of left and right microphone holes 54 are provided in the upper portion of the front surface portion of the second housing 2 opposite to the display portion 5.

  Next, in the movie style described above, when the second housing 2 having the display unit 5 is rotated around the upper second rotation shaft 12 with respect to the third housing 3 having the imaging unit 7, The display unit 5 can be viewed as a finder at the time of movie shooting at an oblique high angle looking up from below. Further, when the second housing 2 is slightly rotated to the near side, the display unit 5 can be viewed as a finder at an oblique low angle looking down from above.

  When the second housing 2 is rotated to the near side with respect to the third rotating shaft 12 with respect to the third housing 3, the lower end portion of the restriction plate 17 is moved to the first rotating shaft 11 as shown in FIG. It enters into the notch portion 19c of the large diameter portion 19b of the cam 19 on the outer periphery of the end portion. Thereby, rotation of the 1st rotating shaft 11 is controlled.

  As described above, in the book style, as shown in FIGS. 3 and 14, the sub menu key 43, the screen display switching key 44, the A-MAT (audio zoom) ON / OFF key 45, the face pita ON / OFF key 46, The print display provided in the portion along the backlight correction key 47, the white balance key 48, and the second shooting key 49 is covered with the second casing 2 and is difficult to see. For this reason, along the lower part of the display unit 5, the sub menu key 43, the screen display switching key 44, the A-MAT (audio zoom) ON / OFF key 45, the face pita ON / OFF key 46, the backlight correction key 47, white A display corresponding to the balance key 48 and the second shooting key 49 is made.

  In the folded state, as shown in FIG. 8, the first mounting member 21 and the second mounting member 22 are parallel to the same direction from the frame 13 of the biaxial hinge unit 10. Since the screwing part for the second housing 2 is positioned up and down, the device has been devised so that it is easy to tune (or repair) the misalignment of the housings 1 and 2 at the end of the assembly process. Yes.

  Next, FIG. 20 shows the cellular phone in the folded state of FIG. 9 as viewed from above, FIG. 21 is an enlarged view of the lock release switch 24, and FIG. 22 shows the cellular phone in a book style. Show. As shown in the figure, in the book style, the third housing 3 is in an integrated state overlapping the first housing 1, and the second housing 2 rotates laterally around the second rotation shaft 12 and opens. Has been. The lock release switch 24, the coil spring 25, and the lock piece 26 described above are incorporated in the end of the third housing 3 on the side opposite to the second rotating shaft 12.

  FIG. 23 shows an internal mechanism of the lock release switch 24 part of FIG. 21, and the lock release switch 24 is arranged in parallel to the coil spring 25 and the lock piece 26 as shown in the figure. That is, the lock release switch 24 slidably assembled between the protruding portion of the lower case 34 and the side surface of the upper case 35 protrudes inward as shown in FIGS. 24 and 25. An arm portion 24a is formed. The arm portion 26a formed to project from the side surface of the lock piece 26 is engaged with the arm portion 24a and is integrally assembled in the sliding direction.

  The lock piece 26 has a lock claw 26 b that protrudes and protrudes from a hole formed in an end surface of the third housing 3 where the second housing 2 is opened and closed at the tip of the sliding portion. As shown in the figure, the upper and lower surfaces of the lock claw 26b are tapered with an inclined inclined surface. Further, on the sliding portion of the lock piece 26, an upward protruding portion 26c and a guide rod 26d extending from the protruding portion 26c in parallel with the sliding portion are formed. A coil spring 25 is mounted along the guide rod 26d. The coil spring 25 is set in a compressed state between the convex portion 26 c of the lock piece 26 and the inside of the third housing 3.

  FIG. 26 shows the locked state of FIG. 21. In the folded state, as shown in the figure, the lock claw 26 b protruding from the hole on the end surface of the third housing 3 is a recess in the end surface of the second housing 2. The second casing 2 is locked in a folded state on the first casing 1.

  FIG. 27 shows the unlocked state from the locked state of FIG. 26. To make a book style, the lock release switch 24 is slid with the fingertip to resist the biasing of the lock spring 26 against the coil spring 25. The sliding part is moved backward, and the lock claw 26b is inserted into the hole in the end face of the third housing 3 as shown in the figure. As a result, the lock is released, and the second casing 2 is rotated laterally about the second rotation shaft 12 to be opened, whereby a book style can be achieved.

Here, as shown in the figure, the lock claw 26b has an upper and lower surfaces that are tapered with an inclined inclined surface. For example, when the second casing 2 is forcibly opened and closed in the lateral direction, the lock claw 26b Even if the end surface of the second housing 2 comes into contact, the inclined surface can prevent damage.
The inclined surface of the lock claw 26b may not be provided.

  As described above, according to the mobile phone of the embodiment, the first casing 1 having the operation unit 4 and the second casing 2 having the display unit 5 are moved relative to each other from the folded state and opened in the vertical direction. The first casing 1 and the second casing have a casing structure in which the first rotating shaft 11 to be opened and the second rotating shaft 12 to be opened in the horizontal direction are housed in the third casing 3 together with the photographing unit 7. 3 is moved together with the second housing 1 when 2 is opened in the vertical direction, and the third housing 3 is moved together with the first housing 1 when opened in the horizontal direction. With the moving configuration, it is possible to shoot a movie with the shooting unit 7 while viewing the screen of the display unit 5 in landscape orientation in the movie style.

  Further, in the movie style, the second housing 2 having the display unit 5 is rotated around the second rotation shaft 12 in the central portion with respect to the third housing 3 having the photographing unit 7, so The display unit 5 as a finder can be a high angle with an oblique angle looking up from below, or a low angle with an oblique angle looking down the display unit 5 from above.

  In the biaxial hinge unit 10, the first rotating shaft 11 and the second rotating shaft 12 are assembled to the frame 13 of the third housing 3, and the first mounting member 21 integrated with the first rotating shaft 11 is the first housing. Since the second mounting member 22 that is assembled to the body 1 and is integrated with the second rotating shaft 12 is assembled to the second housing 2, the strength is excellent.

  Then, the first wiring 31 having one end fixed in the first casing 1 and the other end fixed in the third casing 3 is passed through the hollow portion of the first rotating shaft 11, By passing the second wiring 32 having one end fixed to the second housing 2 and the other end fixed to the second housing 2 through the hollow portion of the first rotating shaft 11 and passing through the hollow portion of the second rotating shaft 12, Wiring in the housing can be performed.

  Further, the lock release switch 24, the coil spring 25, and the lock piece 26 are arranged in parallel, so that a lock mechanism that locks the second housing 2 in the folded state with respect to the first housing 1 and the third housing 3 is provided. Therefore, it is possible to prevent the third housing 3 from extending into the interior of the third housing 3 and to increase the degree of freedom of layout in which the electronic components are arranged, as compared with the case where the components of the lock mechanism are arranged in a straight line as in the prior art.

In addition, since the sliding portion of the lock piece 26 is the lower stage and the coil spring 25 is arranged on the upper stage, it is possible to achieve downsizing and space saving.
Further, the lock release switch 24 of the external part and the lock piece 26 of the internal part are made into separate parts, so that the width of decoration of the lock release switch 24 is widened, the design is improved, and the sliding force of the lock piece 26 is tuned. Can be done easily.

(Embodiment 2)
Next, FIG. 28 to FIG. 31 show the second embodiment of the lock mechanism. Like the first embodiment, 3 is a third housing, 61 is a lock piece, 62 is a coil spring, and 63 is A lock release switch 64 is a push rod.

  As shown in the figure, the lock piece 61 is formed with an inclined surface 61a that tapers toward the tip side on the side surface of the sliding portion, and from the hole on the end surface of the third housing 3 to the tip of the sliding portion. It has a lock claw 61b that appears and disappears. As shown in the drawing, the lock claw 61b has an upper surface tapered by an inclined inclined surface. Further, a guide rod 61 d extending from the upward convex portion 61 c in parallel with the sliding portion is formed on the sliding portion of the lock piece 61. A coil spring 62 is mounted along the guide rod 61d. The coil spring 62 is set in a compressed state between the convex portion 61 c of the lock piece 61 and the inside of the third housing 3.

  And the lock release switch 63 by the push button which push-operates as a lock release operation member is assembled | attached to the hole formed in the side surface of the 3rd housing | casing 3. As shown in FIG. A push rod 64 connected to the lock piece 61 is integrally provided inside the lock release switch 63. The tip of the push rod 64 is an inclined surface 64 a that contacts the inclined surface 61 a on the side surface of the sliding portion of the lock piece 61.

  FIG. 28 shows a state in which the lock claw 61b protrudes from the end surface of the third housing 3. From this state, when the lock release switch 63 is pushed with the fingertip as shown by an arrow, the tip of the push rod 64 is inclined. The inclined surface 61a is pushed by the surface 64a, and the lock piece 61 moves backward as shown by the arrow against the bias of the coil spring 62, and the lock claw 61b is immersed in the hole on the end surface of the third housing 3. Thus, the lock is released.

(Embodiment 3)
Next, FIGS. 32 to 35 show the third embodiment of the lock mechanism. Like the first embodiment, 3 is a third housing, 71 is a lock piece, 72 is a coil spring, and 73 is A lock release switch 74 is a connecting link.

  As shown in the figure, the lock piece 71 has a lock claw 71 b that protrudes and protrudes from a hole in the end surface of the third housing 3 at the tip of the sliding portion. As shown in the drawing, the lock claw 71b has an upper surface tapered by an inclined inclined surface. Furthermore, a guide rod 71d extending in parallel with the sliding portion from the upward convex portion 71c is formed on the sliding portion of the lock piece 71. A coil spring 72 is mounted along the guide rod 71d. The coil spring 72 is set in a compressed state between the convex portion 71 c of the lock piece 71 and the inside of the third housing 3.

  And the lock release switch 73 by the slide knob which slide-operates as a lock release operation member is assembled | attached to the hole formed in the upper surface of the 3rd housing | casing 3. As shown in FIG. The lock release switch 73 and the lock piece 71 are provided with a connecting link 74 connecting them. This connecting link 74 is pivotally supported by the third housing 3 with a pin 75 at its intermediate portion, one end is connected to the lower surface of the lock piece 71 with a pin 76, and the other end with a pin 77. The lock release switch 73 is connected to the lower surface.

  FIG. 32 shows a state in which the lock claw 71 b protrudes from the end surface of the third housing 3. When the lock release switch 73 is slid with the fingertip from this state, the connecting link 74 is in the middle via the pin 77. The lock piece 71 pivots around the pin 75, and the lock piece 71 moves backward against the bias of the coil spring 72 via the pin 76, and the lock claw 71 b is immersed in the hole on the end surface of the third housing 3. Thus, the lock is released.

  In the connecting link 74, as shown in FIG. 32, long holes are formed in the portions of the pins 76 and 77 at both ends, or the intermediate portion of the pin 75 as shown in FIGS. A long hole is formed in.

(Embodiment 4)
Next, FIGS. 36 to 39 show the fourth embodiment of the lock mechanism. Like the first embodiment, 3 is a third housing, 81 is a lock piece, 82 is a coil spring, and 83 is A lock release switch 84 is a gear.

  As shown in the drawing, the lock piece 81 has a rack 81a formed on the side surface of the sliding portion, and has a locking claw 81b protruding and protruding from the hole in the end surface of the third housing 3 at the tip of the sliding portion. Yes. As shown in the drawing, the lock claw 81b has an upper surface tapered by an inclined inclined surface. Furthermore, a guide rod 81d extending in parallel with the sliding portion from the upward convex portion 81c is formed on the sliding portion of the lock piece 81. A coil spring 82 is mounted along the guide rod 81d. The coil spring 82 is set in a compressed state between the convex portion 81 c of the lock piece 81 and the inside of the third housing 3.

  A lock release switch 83 is assembled in a hole formed in the side surface of the third housing 3 by a lever-like rotary knob that is rotated as an unlocking operation member. The lock release switch 83 is provided integrally with a gear 84 connected to the lock piece 81.

  FIG. 36 shows a state in which the lock claw 81 b protrudes from the end surface of the third housing 3. When the lock release switch 83 is rotated with a fingertip from this state, the lock claw 81 b is locked via the rack 81 a meshing with the integral gear 84. The piece 81 moves backward against the bias of the coil spring 82, and the lock claw 81 b is immersed in the hole on the end surface of the third housing 3. Thus, the lock is released.

(Embodiment 5)
Next, FIGS. 40 to 44 show the fifth embodiment of the lock mechanism. Like the first embodiment, 2 is the second housing, 3 is the third housing, 11 is the first rotating shaft, 29 is a recess, 91 is a lock piece, 92 is a coil spring, and 93 is a lock release switch.

  As shown in the figure, the lock piece 91 has a lock claw 91 b that protrudes and protrudes from the hole in the end surface of the third housing 3 at the tip of the sliding portion. As shown in the drawing, the lock claw 91b has an upper surface tapered by an inclined inclined surface. Further, a guide rod 91d extending in parallel with the sliding portion from the upward convex portion 91c is formed on the sliding portion of the lock piece 91. A coil spring 92 is attached along the guide rod 91d. The coil spring 92 is set in a compressed state between the convex portion 91 c of the lock piece 91 and the inside of the third housing 3.

  Further, an inverted L-shaped engagement piece 91e is formed below the sliding portion of the lock piece 91. The engaging piece 91e can be engaged with a recess 11e formed in the first rotating shaft 11 that forms the hinge axis of the biaxial hinge unit 10.

  And the lock release switch 93 by the slide knob which slide-operates as a lock release operation member is assembled | attached to the hole formed in the side surface of the 3rd housing | casing 3. As shown in FIG. The lock release switch 93 is engaged with the arm portion and connected to the lock piece 91 as in the first embodiment, or is connected to the lock piece 91 via the connecting link as in the third embodiment.

  In addition, the lock release switch by the push button which push-operates like Embodiment 2, and the lock release switch by the lever-shaped rotation knob which carries out rotation operation like Embodiment 4 may be sufficient.

  FIG. 40 shows a locked state in which the lock claw 91b protrudes from the end surface of the third housing 3 and engages with the concave portion 29 on the end surface of the second housing 2. From this locked state, the lock release switch 93 is moved with the fingertip. When the slide operation is performed, the lock piece 91 moves backward against the bias of the coil spring 92, and as shown in FIG. 44, the lock claw 91b is inserted into the hole in the end surface of the third housing 3, and at the same time, FIG. As also shown, the inverted L-shaped engagement piece 91 e is engaged with the recess 11 e of the first rotating shaft 11.

  Thus, the first rotating shaft 11 is locked at the same time as the second casing 2 is unlocked. Therefore, in the book style, the first rotating shaft 11 can be locked to restrict the normal opening operation.

(Embodiment 6)
Next, FIGS. 45 to 48 show a lock mechanism according to a sixth embodiment. As in the first embodiment, 1 is a first housing, 2 is a second housing, and 3 is a third housing. 101 is a lock piece, 102 is a coil spring, and 103 is a lock release switch.

  As shown in the drawing, the lock piece 101 has a lock claw 101 b that protrudes and protrudes from a hole in the end surface of the third housing 3 at the tip of the sliding portion. As shown in the figure, the lock claw 101b has an upper surface tapered by an inclined inclined surface. Further, a guide rod 101d extending from the upward protruding portion 101c in parallel with the sliding portion is formed on the sliding portion of the lock piece 101. A coil spring 92 is attached along the guide rod 101d. The coil spring 102 is set in a compressed state between the convex portion 101 c of the lock piece 101 and the inside of the third housing 3.

  An L-shaped engagement piece 101 f is formed below the sliding portion of the lock piece 101. The engagement piece 101f can be engaged with a recess 1f formed on the upper surface of the first housing 1.

  And the lock release switch 103 by the slide knob which slide-operates as a lock release operation member is assembled | attached to the hole formed in the side surface of the 3rd housing | casing 3. As shown in FIG. The lock release switch 103 is engaged with the arm portion to be connected to the lock piece 101 as in the first embodiment, or is integrated with the lock piece 101 via the arm portion.

  Here, the lock claw 101b protrudes upward from the convex portion 101c, and a protrusion 3b is formed in the hole on the end surface of the third housing 3 from above. A projection 2 b is formed on the end surface of the second housing 2.

  FIG. 47 shows the unlocked state in which the lock claw 101b is immersed in the hole on the end surface of the third housing 3, and the protrusion 3b that faces the hole on the end surface of the third housing 3 from above is positioned at the upper front of the lock claw 101b. is doing.

  When the second housing 2 is opened to the book style from this state, the lock claw 101b pushes the upper protrusion 3b away from the hole on the end surface of the third housing 3 as shown in FIG. Simultaneously with the protrusion, the L-shaped engagement piece 101 f engages with the recess 1 f of the first housing 1. Therefore, in the book style, the third housing 3 can be locked to the first housing 1 to restrict the normal opening operation.

  Even if the lock release switch 103 is not operated, if the second housing 2 is closed, the projection 2b on the end surface of the second housing 2 hits the lock claw 101b, and resists the bias of the coil spring 102, and the lock piece. 101 moves backward, pushes the upper protrusion 3 b away, and the lock claw 101 b is immersed in the hole on the end surface of the third housing 3. At the same time, the L-shaped engagement piece 101 f moves backward from the recess 1 f of the first housing 1. Therefore, a normal open operation is possible.

(Modification)
In the above embodiment, the cellular phone is used. However, the present invention is not limited to this, and the present invention is not limited to this, and can be applied to all devices equipped with a lock unit such as a PDA, notebook computer, wearable computer, calculator, and electronic dictionary. Can be used.
In addition, a portable device that can be folded only in the vertical direction, a portable device that can be folded only in the horizontal direction, or a portable device in which the display unit can be swung on the plane of the display unit casing that is opened in the vertical direction from the folded state, The present invention can also be applied to a sliding portable device in which the display unit housing and the operation unit housing are relatively slidable from the overlapping state.
Furthermore, the shape and the like of the components of the lock mechanism are arbitrary, and it is needless to say that other specific detailed structures can be changed as appropriate.

DESCRIPTION OF SYMBOLS 1 1st housing | casing 2 2nd housing | casing 3 3rd housing | casing 4 Operation part 5 Display part 6 Antenna 7 Input part (imaging part)
8 Illumination unit 10 2-axis hinge unit 11 first rotation axis (hinge axis)
12 Second Rotating Shaft 13 Frame 14 Bracket 15 Bearing Member 16 Protruding Part 21 First Mounting Member 22 Second Mounting Member 23 Buffer Material 24 Operation Member 25 Elastic Member 26 Locking Member 29 Recess 31 First Wiring 32 Second Wiring 33 Antenna Line 34 Lower case 35 Upper case 41 Shutter key 42 Zoom key 43 Submenu key 44 Screen display switch key 45 A-MAT (voice zoom) ON / OFF key 46 Face pita ON / OFF key 47 Backlight correction key 48 White balance key 49 Key 51 Bumper 52 Bumper 53 Microphone hole 54 Microphone hole 61 Lock member 62 Elastic member 63 Operation member 64 Connection member 71 Lock member 72 Elastic member 73 Operation member 74 Connection member 81 Lock member 82 Elastic member 83 Operation member 84 Connection member 91 Lock member 92 Elastic member 93 Operation member 101 Lock Member 102 elastic member 103 operation member

Claims (8)

The first housing and the second housing can be moved relative to each other from the closed state,
A housing structure including a lock mechanism for locking the first housing and the second housing in a closed state;
The locking mechanism is
A lock member that is assembled so as to be able to protrude and retract with respect to one of the first housing and the second housing, protrudes from the one housing, and is detachable from the other housing;
An elastic member for biasing the lock member in a direction protruding from the one housing;
An operation member for operating the lock member in a direction to be immersed in the one housing,
A housing locking mechanism, wherein the elastic member and the operating member are arranged in parallel.   The housing locking mechanism according to claim 1, wherein the first housing and the second housing can be opened by being relatively rotated from a folded state.   The housing locking mechanism according to claim 1, wherein the operation member is a slide knob that performs a slide operation.   The case locking mechanism according to claim 1, wherein the operation member is a push button that performs a push operation.   The case locking mechanism according to claim 1, wherein the operation member is a rotary knob that is rotated.   The housing according to claim 1, wherein the lock member is detachable from a hinge shaft that rotatably couples the first housing and the second housing. Body locking mechanism.   7. The housing according to claim 1, wherein unlocking of the locking mechanism is performed in a book style in which the second housing is opened laterally with respect to the first housing. Body locking mechanism.   A portable device comprising the housing lock mechanism according to any one of claims 1 to 7.