JP2012251604A - Opening/closing device and electronic apparatus using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening/closing device to be mainly used for various kinds of electronic apparatuses, an electronic apparatus using the same, while enabling various operations.SOLUTION: An opening/closing device 30 is configured by forming a recess 12A for locking a movable cam 16 in the middle of a substantially V-shaped fixing cam 12 to be brought into elastic contact with the movable cam 16. A movable casing 32 is attached to a fixed casing 31 via the opening/closing device 30 and a substantially arm-shaped connection member 33. A menu displayed on a display unit 32A provided on a top surface of the movable casing 32 can be selected even if the movable casing 32 is closed. The movable casing 32 can be held at two operational angles, i.e., an intermediate angle for menu selection and easy input operation, and the maximum operational angle for a large screen, thereby allowing various kinds of operations.

Description

  The present invention relates to an opening / closing device mainly used in various electronic devices such as a mobile phone, an electronic dictionary, and a personal computer, and an electronic device using the same.

  In recent years, as electronic devices such as mobile phones, electronic dictionaries, and personal computers have been diversified and sophisticated, the number of devices that perform various operations by opening and closing the movable housing with respect to the fixed housing has increased. There is also a demand for a switchgear that can perform various operations.

  An electronic apparatus using such a conventional switchgear will be described with reference to FIG.

  FIG. 8 is a perspective view of a conventional electronic device. In FIG. 8B, reference numeral 1 denotes a substantially box-shaped synthetic resin fixed casing, and reference numeral 2 denotes a synthetic resin movable casing. A display unit 1A such as a liquid crystal display element is formed on the upper surface of the, and a display unit 2A is formed on the lower surface of the movable housing 2 in the same manner.

  Reference numeral 3 denotes an opening / closing device formed of a plurality of cams, springs (not shown), etc., which is mounted between the rear end of the fixed housing 1 and the lower end of the movable housing 2. However, the electronic device is configured to be urged with respect to the fixed housing 1 in a closing direction below a predetermined operation angle and in an opening direction above a predetermined operation angle and is pivotally supported so as to be opened and closed.

  In the above configuration, as shown in FIG. 8A, when the movable casing 2 is closed with respect to the fixed casing 1, the movable casing 2 is urged in the closing direction by the opening / closing device 3, and the movable casing 2 The body 2 is held in a closed state.

  When a push button (not shown) on the side surface of the fixed housing 1 is pressed with a finger from this closed state, a cam or a spring of the opening / closing device 3 operates to apply a force in the opening direction to the movable housing 2. As shown in FIG. 8B, the movable housing 2 opens at an intermediate operation angle, for example, around 100 degrees, and is held in this state, and for example, a key such as a keyboard displayed on the display unit 1A is operated. Thus, it becomes easy to select various menus displayed on the display unit 2A and to input characters.

  After that, when the movable casing 2 is opened by hand, the movable casing 2 opens to the maximum operating angle, for example, close to 180 degrees with respect to the fixed casing 1 as shown in FIG. For example, the received television image or the like can be viewed on a large screen combining the display units 1A and 2A.

  When the movable casing 2 is manually closed from this open state, as shown in FIG. 8A, the movable casing 2 returns to the closed and held state, and is easy to carry and carry. Become.

  That is, in addition to the opening / closing operation by hand, when opening the movable housing 2, a so-called one-touch open operation can be performed in which the push button on the side surface is pressed and the movable housing 2 is opened with one touch by the opening / closing device 3. The movable housing 2 is configured to be able to be held at two operation angles with the intermediate operation angle easy to perform the operation and the maximum operation angle where the screen is easy to see. .

  As prior art document information related to the invention of this application, for example, Patent Document 1 is known.

JP 2010-249285 A

  However, in the conventional switchgear and the electronic apparatus using the same, the display unit 1A is formed on the upper surface of the fixed housing 1, the display unit 2A is formed on the lower surface of the movable housing 2, and the movable housing 2 is closed. In this state, since the display units 1A and 2A are both hidden, in this state, neither the screen nor the input operation can be performed, and it is necessary to open the movable casing 2 each time and perform these operations. There was a problem of becoming.

  The present invention solves such a conventional problem, and provides an opening / closing device capable of performing various operations even when the movable housing is closed and an electronic device using the same. Objective.

  In order to achieve the above object, the present invention forms an opening / closing device by providing a recess for locking the movable cam in the middle of a substantially V-shaped fixed cam with which the movable cam is elastically contacted. An electronic device is configured by mounting a movable casing on a fixed casing via an arm-shaped connecting member, and even when the movable casing is closed, a display portion is provided on this upper surface. It is possible to select the displayed menu, etc., and to hold the movable housing at two operation angles that are open up to an intermediate angle that is easy to perform input operations and the maximum operation angle that the screen is easy to see An opening / closing device capable of operation and an electronic device using the same can be obtained.

  As described above, according to the present invention, it is possible to obtain an advantageous effect that an opening / closing device capable of various operations and an electronic apparatus using the same can be realized.

Sectional drawing of the switchgear by one embodiment of this invention Exploded perspective view Exploded perspective view of the same electronic device Same perspective view Same perspective view Operation diagram of the cam Operation diagram of the cam Perspective view of a conventional electronic device

  Hereinafter, embodiments of the present invention will be described with reference to FIGS.

(Embodiment)
FIG. 1 is a cross-sectional view of a switchgear according to an embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, in which 11 is a substantially cylindrical shape and a fixed body such as steel, copper alloy, sintered alloy, A pair of substantially V-shaped fixed cams 12 protruding rightward are provided on the outer periphery, and a recess 12A is formed in the middle of the fixed cam 12.

  Reference numeral 13 denotes a substantially cylindrical and metal fixed shaft, and reference numeral 14 denotes a substantially cylindrical and metal fixed case. The fixed body 11 is accommodated in the fixed case 14, and the fixed body is fixed to the left end of the fixed shaft 13. 11 and a fixed case 14 are fixed to each other.

  Reference numeral 15 denotes a substantially cylindrical metal movable body which is arranged so as to be rotatable in the opening / closing direction and movable in the axial direction with respect to the fixed body 11, and protrudes to the left on the outer periphery to the fixed cam 12. A pair of opposed movable cams 16 are provided.

  Further, 17 is a substantially cylindrical and metal movable case, and a convex portion on the outer periphery of the movable body 15 is inserted into the outer peripheral groove, and the movable body 15 is movable in the axial direction with respect to the movable case 17 and in the rotational direction. Are housed in the movable case 17 so as to rotate together.

  In addition, the fixed case 14 is rotatably mounted in the left end opening of the movable case 17, the fixed shaft 13 is inserted through the movable body 15 and the movable case 17, and the right end is fixed to the outer surface of the movable case 17 by the retaining ring 18. It is attached to be rotatable.

  Reference numeral 19 denotes a steel wire spring wound in a coil shape, which is mounted in a slightly bent state between the right side surface of the movable body 15 and the inner side surface of the movable case 17. It is biased toward the left fixed body 11.

  Furthermore, 20 is a substantially cylindrical and metallic reversal body. At the right end, a pair of substantially V-shaped reversing cams 21 projecting rightward and facing the movable cam 16 are formed. The fixed case 14 is mounted so as to be movable in the axial direction.

  Reference numeral 22 denotes a substantially ring-shaped release body, and uneven release cams 23 are formed on the left and right ends, and the release body 22 is mounted on the fixed case 14 so as to be rotatable.

  Reference numeral 24 denotes a pressing body in which a pressing cam 25 protruding rightward is formed at the right end. Reference numeral 26 denotes a winding spring. One end is a releasing body 22 and the other end is a pressing body 24 when the winding spring 26 is slightly twisted. The pressing body 24 is attached to the left end of the fixed shaft 13 so as to be movable in the axial direction.

  Further, the cover 27 covers the left end opening of the fixed case 14, and a push button 28 is attached to the left end of the pressing body 24 protruding leftward from the cover 27, and the push button 28 and the pressing body 24 slightly deflect the spring 29. The opening / closing device 30 is configured by being mounted in a closed state.

  FIG. 3 is an exploded perspective view of an electronic apparatus using such an opening / closing device 30. In FIG. 3, reference numeral 31 denotes a substantially box-shaped synthetic resin fixed housing. A wiring board (not shown) on which a plurality of electronic components are mounted is accommodated to form an electronic circuit (not shown), and a light-transmitting touch panel or the like is formed on a liquid crystal display element on the upper surface. A display unit 31A is provided.

  Reference numeral 32 denotes a movable casing made of synthetic resin, and an electronic circuit is formed in the movable casing 32 in the same manner as the fixed casing 31, and a display section 32A is provided on the upper surface in the same manner as the display section 31A. It has been.

  Further, reference numeral 33 denotes a substantially arm-shaped synthetic resin or metal connecting member. The movable case 17 of the opening / closing device 30 is fixed to the lower end of the connecting member 33, and the fixed case 14 is fixed to the left side surface of the fixed housing 31, respectively. The lower end of the connecting member 33 is attached to the fixed housing 31 via the device 30.

  Reference numeral 34 denotes an urging member. When a plurality of cams, springs (not shown), etc. are provided between the fixed portion 34A and the movable portion 34B rotatable relative to the fixed portion 34A, the movable portion 34B rotates. Is formed so that the return force to the original position always works on this.

  The fixed portion 34A of the urging member 34 is fixed to the upper end of the connecting member 33, and the movable portion 34B is fixed to the movable casing 32. The urging member 34 always urges the movable casing 32 downward. The upper end of the connecting member 33 is rotatably attached to the movable housing 32 via the biasing member 34.

  Further, on the right side surfaces of the fixed casing 31 and the movable casing 32, through holes at the upper and lower ends of the support 35 are rotatably mounted on the fixed casing 31 and the movable casing 32 by a plurality of pins 36A and 36B. Thus, an electronic device is configured.

  In the above configuration, as shown in the perspective view of FIG. 4A, when the movable casing 32 is closed with respect to the fixed casing 31, the opening / closing device 30 is shown in the cam operation diagram of FIG. As shown, since the movable cam 16 is elastically contacted with the lower inclined surface of the reversing cam 21 protruding in the direction of the movable body 15, and the movable body 15 is biased downward by the spring 19, An urging force in the closing direction is applied to the lower end of the connecting member 33 to which the movable case 17 is attached, and the movable casing 32 is held in a closed state.

  In a state where the movable casing 32 is closed, when a menu such as a plurality of icons is displayed on the display unit 32A on the upper surface of the movable casing 32, for example, while viewing a liquid crystal display element on the back through a touch panel or the like. A desired icon or the like can be selected by pressing or touching the touch panel on the desired icon.

  When the push button 28 on the side surface of the fixed housing 31 is pressed with a finger from this closed state, the pressing cam 25 of the pressing body 24 to which the push button 28 is attached presses the release cam 23 at the left end, and FIG. ), The release body 22 rotates downward while bending the winding spring 26, and the release cam 23 at the right end is disengaged from the left end of the reverse body 20, so that the reverse cam 21 moves in the left direction.

  For this reason, the movable cam 16 urged by the spring 19 slides elastically on the inclined surface below the fixed cam 12 and rotates upward, and the movable body 15 is urged in the upward opening direction. Therefore, an opening force is applied to the movable case 17 and the lower end of the connecting member 33 to which the movable case 17 is attached by this force, and the movable casing 32 is opened as shown in FIG.

  As shown in FIG. 6C, in a state where the movable cam 16 is in elastic contact with the recess 12A in the middle of the substantially V-shaped fixed cam 12, as shown in FIG. Is held at an intermediate operation angle with respect to the fixed housing 31, for example, about 100 degrees open. For example, a key such as a keyboard displayed on the display unit 31A is operated to input characters to the display unit 32A. It is easy to do.

  At this time, the return force of the biasing member 34 attached to the upper end of the connecting member 33 always applies a downward biasing force to the movable casing 32 regardless of the operation angle. The lower end of the casing 32 is not lifted away from the upper surface of the fixed casing 31, and the movable casing 32 is opened and held while the lower end is always in elastic contact with the upper surface of the fixed casing 31 and is stable without wobbling. Can be done.

  Further, when the finger is released from the push button 28 after the pressing operation, as shown in the cam operation diagram of FIG. 7A, the pressing force to the pressing cam 25 disappears, so that the release cam biased by the winding spring 26 23 returns upward, the reverse cam 21 whose left end is pressed moves to the right, and these cams return to their original positions.

  Further, thereafter, as shown in the perspective view of FIG. 5A, when the movable casing 32 is manually opened, the movable cam 16 is detached from the recess 12A, and the inclined surface on the upper side of the fixed cam 12 is directed upward. As shown in FIG. 7 (b), the movable cam 16 is brought into elastic contact with the upper inclined surface of the reversing cam 21, and the movable casing 32 is fixed as shown in FIG. 5 (b). The maximum operation angle, for example, close to 180 degrees, is held with respect to the casing 31, and for example, a received image of a television or the like can be viewed on a large screen combining the display units 31A and 32A.

  When the movable casing 32 is closed by hand from this open state, contrary to the above, the movable cam 16 elastically slides downward on the inclined surface on the upper side of the fixed cam 12 and elastically contacts the recess 12A. Once the movable housing 32 is further closed after being held in this state, the movable cam 16 elastically slides downward on the inclined surface on the lower side of the fixed cam 12, and FIG. 4A and FIG. Returning to the state shown in a), the movable casing 32 is in a closed state where it is easy to carry.

  That is, in addition to the opening / closing operation by hand, when opening the movable casing 32, the movable body 15 is rotated upward, that is, in the opening direction by the pressing operation of the pressing body 24 to which the push button 28 is attached. The body 32 can be opened with one touch, so-called one-touch open operation, and the movable housing 32 can be closed, opened to an intermediate operation angle, or opened to a maximum operation angle at any operation angle. The movable housing 32 is also held so that various operations can be performed in each state.

  That is, a recess 12A for locking the movable cam 16 is provided in the middle of the substantially V-shaped fixed cam 12 with which the movable cam 16 is elastically contacted to form the opening / closing device 30, and the opening / closing device 30 is connected to the lower end of the connecting member 33. And the fixed casing 31 is mounted, so that even when the movable casing 32 is closed, the display unit 32A is provided on the upper surface, so that the displayed menu can be selected even when the movable casing 32 is closed. At the intermediate operation angle, the display unit 31A can be operated to input characters to the display unit 32A, and at the maximum operation angle, the image can be viewed on a large screen combining the display units 31A and 32A. It is configured.

  Further, an urging member 34 for urging the movable casing 32 downward is provided between the upper end of the rotatable connecting member 33 and the movable casing 32, and the movable casing 32 is attached regardless of the operation angle. Since a force constantly biased downward is applied by the return force of the biasing member 34, a stable opening operation of the movable casing 32 can be performed with the lower end of the movable casing 32 always in elastic contact with the upper surface of the fixed casing 31. It can be held.

  In the above description, in addition to the fixed cam 12 and the movable cam 16, various cams such as the reversing cam 21, the release cam 23, and the pressing cam 25 are combined, and the movable casing 32 is touched by pressing the push button 28. However, in place of these, recesses are provided at both ends of the substantially V-shaped fixed cam 12 and the movable casing 32 is closed and the maximum operation angle is provided. In the opened state, the present invention can be implemented even if the movable cam 16 is elastically brought into contact with the concave portions at both ends of the fixed cam 12 to perform all operations of the movable casing 32 by hand.

  In the above description, the urging member 34 in which a plurality of cams, springs, and the like are provided between the fixed portion 34 </ b> A and the movable portion 34 </ b> B is used, and the urging member 34 is connected to the upper end of the connecting member 33 and the movable casing 32. Although the configuration in which the movable casing 32 is attached in the middle and biased downward has been described, a spring such as a coil spring is used, and both ends thereof are locked to the upper end of the connecting member 33 and the movable casing 32 to move the movable casing 32. It is good also as a structure which urges | biases the body 32 below.

  As described above, according to this embodiment, the opening / closing device 30 is formed by providing the recess 12A for locking the movable cam 16 in the middle of the substantially V-shaped fixed cam 12 with which the movable cam 16 is elastically contacted. Even when the movable casing 32 is closed, the movable casing 32 is attached to the fixed casing 31 via the opening / closing device 30 and the substantially arm-shaped connecting member 33 to form an electronic device. Since the display unit 32A is provided, the displayed menu can be selected, and the operation angle is set to two angles, that is, an intermediate angle that is easy to perform an input operation and the maximum operation angle that is large and easy to see. Since the movable casing 32 can be held, an opening / closing device capable of various operations and an electronic device using the same can be obtained.

  In addition, the opening / closing device 30 is mounted between the lower end of the connecting member 33 and the fixed casing 31, and the bias that biases the movable casing 32 downward between the upper end of the connecting member 33 and the movable casing 32. By providing the member, the lower end of the movable casing 32 can always be brought into elastic contact with the upper surface of the fixed casing 31 so that the stable opening operation and holding of the movable casing 32 can be performed.

  The switchgear according to the present invention and the electronic apparatus using the switch have an advantageous effect that they can be operated even when the movable housing is closed, and can be operated in various ways. It is useful as a switchgear used in electronic equipment.

DESCRIPTION OF SYMBOLS 11 Fixed body 12 Fixed cam 12A Recessed part 13 Fixed shaft 14 Fixed case 15 Movable body 16 Movable cam 17 Movable case 18 Retaining ring 19 Spring 20 Reverse body 21 Reverse cam 22 Release body 23 Release cam 24 Press body 25 Press cam 26 Winding spring 27 Cover 28 Push Button 29 Spring 30 Opening / Closing Device 31 Fixed Housing 31A, 32A Display Unit 32 Movable Housing 33 Connecting Member 34 Energizing Member 34A Fixed Part 34B Movable Part 35 Support 36A, 36B Pin

Claims (3)

A fixed body in which a fixed cam is formed, a substantially cylindrical fixed case for housing the fixed body, a movable body in which a movable cam facing the fixed cam is formed, and the movable body can be moved in the axial direction. The movable case for storing and a spring for urging the movable cam in the direction of the fixed cam, the fixed cam is formed in a substantially V shape, and a recess for locking the movable cam is provided in the middle. Switchgear. The switchgear according to claim 1, comprising: a fixed housing having a display portion formed on an upper surface; a movable housing having a display portion formed on an upper surface; and a substantially arm-shaped connecting member. The movable case is fixed to the lower end of the connecting member and the fixed housing, and the upper end of the connecting member is rotatably attached to the movable housing. The electronic device according to claim 2, wherein a biasing member that biases the movable casing downward is provided between an upper end of the connecting member and the movable casing.

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