JP2009085229A - Hinge structure and electronic device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent play of a casing section side which is not provided with a hinge shaft in a hinge structure provided with a plurality of hinge shafts arranged to cross each other at one section. <P>SOLUTION: A hinge structure is provided with a rotary hinge part 3 comprising a plurality of crossing shafts 4, 5, etc., provided at one end side of a first casing 1 and a second casing 2 for opening a first casing 1 and a second casing 2 to a first direction or to a second direction perpendicular to the first direction by relatively rotating the same from a fold state; a rotary shaft rotatably provided at another end side of the first casing 1; a regulating part 7 led out from the rotary part 6 and capable of regulating the first casing 1 and the second casing 2; and engagement parts 8, 9 provided on the first casing 1 and the second casing 2 respectively and to engage with the regulating part 7. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a hinge structure in which a plurality of intersecting hinge shafts are provided at one place, and an electronic apparatus including the hinge structure.

In a portable terminal device, there is a technology that uses two hinge shafts arranged in an intersecting manner to open and close a display unit casing in a vertical direction or a horizontal direction with respect to an operation unit casing provided with a key input unit (Patent Literature). 1).
JP-A-2005-286425

  However, as in Patent Document 1, when two hinge shafts arranged in an intersecting manner are provided at one location and the display unit housing is opened vertically or laterally with respect to the operation unit housing, the hinge shaft is provided. There is a problem that the housing portion on the side that is not provided is rattled.

  An object of the present invention is to prevent rattling of the housing portion on the side where the hinge shaft is not provided even in the case of opening the housing in a hinge structure in which a plurality of hinge shafts arranged in a crossing manner are provided at one location. is there.

  In order to solve the above problems, the invention described in claim 1 is provided on one end side of the first casing and the second casing, and the first casing and the second casing are folded. A rotating hinge portion composed of a plurality of intersecting axes for rotating relatively from the state to open in a first direction or in a second direction orthogonal to the first direction; A rotating part rotatably provided on the other end side of the first casing; a regulating part derived from the rotating part and capable of regulating at least one of the first casing and the second casing; and A hinge structure comprising: an engaging portion provided on at least one of the first housing and the second housing so that the restricting portion is engaged.

  A second aspect of the present invention is the hinge structure according to the first aspect, wherein the first casing and the second casing include a recess for accommodating the restricting portion, or a step of the restricting portion. The corner | angular part which a part covers is formed.

  Invention of Claim 3 is the hinge structure of Claim 1 or 2, Comprising: The said control part is between the said rotation hinge part of the said 1st housing | casing and 2nd housing | casing. It is formed in a loop shape surrounded by a U-shape along the periphery.

  A fourth aspect of the present invention is the hinge structure according to the third aspect, wherein the loop-shaped restricting portion also serves as an antenna.

  A fifth aspect of the present invention is the hinge structure according to any one of the first to fourth aspects, wherein the engaging portion opens the first casing in the first direction. The restricting portion is engaged with the second housing side, and when the first housing is opened in the second direction, the restricting portion is engaged with the first housing side. And

  According to a sixth aspect of the present invention, there is provided the hinge structure according to any one of the first to fifth aspects, a display section provided in the first casing, and an operation section provided in the second casing. And an electronic device comprising:

  According to the present invention, in a hinge structure in which a plurality of intersecting hinge shafts are provided at one place, even when the housing is opened, rattling of the housing portion on the side where the hinge shaft is not provided can be prevented.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the drawings.
(Embodiment 1)
1 to 3 show a foldable mobile phone as a configuration of an embodiment of an electronic apparatus to which the present invention is applied. 1 is a display unit casing (first casing), 1a is a main display unit, 1b is a sub display unit, 2 is an operation unit housing (second housing), 2a is an operation unit, 3 is a rotary hinge unit, 4 is a first hinge shaft, 5 is a second hinge shaft, and 6 is a rotation , 7 is a regulating portion, 8 is a first engaging portion, and 9 is a second engaging portion.

  As shown in the figure, a display unit housing 1 having a main display unit 1a on one side and a sub-display unit 1b on the other side, and an operation unit housing 2 having an operation unit 2a on one side have a rotary hinge. They are connected via part 3. The rotary hinge portion 3 includes a first hinge shaft 4 and a second hinge shaft 5. By this rotating hinge unit 3, the display unit housing 1 and the operation unit housing 2 are opened in the vertical direction from the folded state to the portable style shown in FIG. 1 or opened in the horizontal direction. 2 can be used.

The 1st hinge axis | shaft 4 is assembled | attached so that relative rotation with respect to the one end side corner | angular part 1c of the longitudinal direction of the display part housing | casing 1 is possible.
The second hinge shaft 5 has an axis orthogonal to the first hinge shaft 4, and is assembled so as to be relatively rotatable with respect to the one end side corner 2 c in the longitudinal direction of the operation unit housing 2.
The first hinge shaft 4 and the second hinge shaft 5 are rotatably supported by a coupling member 3a. The connecting member 3a is fixed to one end of the operation unit housing 2 with screws by a plurality of integrally provided brackets 3b.

  In addition, the rotation unit 6 is assembled to the other end side corner 1d in the longitudinal direction of the display unit housing 1 so as to be relatively rotatable. In the illustrated example, the rotating portion 6 is formed of a plate material that forms a hollow portion, and is fixed to the other end portion of the display unit housing 1 by a bracket 6b with a screw. Rotate on the same axis as the hinge shaft 4 of.

  The rotating unit 6 is provided with a regulating unit 7 that can regulate the display unit housing 1 and the operation unit housing 2. In the illustrated example, the restricting portion 7 is coupled to a support member 3 c provided integrally with the first hinge shaft 4, and is connected along the periphery of the three sides of the display portion housing 1 and the operation portion housing 2. It is formed in a loop shape enclosed in a letter shape. Such a U-shaped loop-shaped regulating portion 7 also serves as an antenna.

In order to accommodate the loop-shaped regulating portion 7 having the above U-shape, recesses 1e and 2e are formed in the periphery of the display unit housing 1 and the operation unit housing 2, respectively.
FIG. 4 is a cross-sectional view showing the relationship between the restriction portion 7 and the display portion housing 1 and the operation portion housing 2 in a folded state.
FIG. 5 is a cross-sectional view showing a coupling portion between the restricting portion 7 and the support member 3c of the first hinge shaft 4.

  Further, the display housing 1 is provided with a first engaging portion 8 that engages the restricting portion 7. The first engagement portion 8 includes a push button 81 assembled almost at the center of the long side portion of the display unit housing 1, an engagement claw 82 provided integrally with the push button 81, and the engagement claw 82. It comprises a pair of torsion coil springs (biasing members) 83 that always urge in the engaging direction. As shown in a cross section in FIG. 6, the engaging claw 82 engages with a concave flat surface 7 a formed on the operating portion housing 2 side of the restricting portion 7.

  Further, the operation unit housing 2 is provided with a second engaging portion 9 that engages the restricting portion 7. The second engaging portion 9 includes a tapered engaging claw 92 assembled in the short side portion of the operation unit housing 2 and a compression coil spring (biasing member) that constantly urges the engaging claw 92 in the engaging direction. ) 93 (see FIG. 7). The taper-shaped engaging claw 92 is pushed by the restricting portion 7 when the display portion housing 1 is folded on the operation portion housing 2 and retracted once, and then is urged by the compression coil spring 93. As shown, it engages with a concave tapered surface 7 b formed on the display unit housing 1 side of the restricting unit 7.

  As described above, in the first engaging portion 8 and the second engaging portion 9, the first engaging portion 8 is engaged and fixed with respect to the restricting portion 7 with a stronger force than the second engaging portion 9. That is, the torsion coil spring 83 of the first engagement portion 8 is set to a stronger force than the compression coil spring 93 of the second engagement portion 9.

  FIG. 8 is a cross-sectional view showing the relationship between the operation unit housing 2 and the engaging lever 61 in the rotating unit 6. As shown in the figure, the rotating unit 6 rotates integrally with the display unit housing 1. An engaging lever 61 that can be engaged in the operation unit housing 2 is disposed. The engagement lever 61 can be inserted into the operation unit housing 2 from a rubber (elastic member) 62 attached to the opening of the operation unit housing 2.

According to the mobile phone having the above-described hinge structure, the display unit housing 2 with respect to the operation unit housing 2 is kept in the engaged state of the restricting unit 7 by the first engaging unit 8 from the folded state as shown in FIG. The body 1 can be opened in the longitudinal direction via the second hinge shaft 5. At the time of this vertical opening operation, the engaging claw 92 of the second engaging portion 9 is disengaged from the concave tapered surface 7b of the restricting portion 7 shown in FIG.
Therefore, in the portable style shown in FIG. 1, the backlash prevention by the restricting portion 7 with respect to the display portion housing 1 is reliably performed.

Further, the push button 81 of the first engaging portion 8 is pushed from the folded state, and the engaging claw 82 is removed from the concave flat surface 7a of the restricting portion 7 shown in FIG. As shown in FIG. 2, the display unit housing 1 is opened laterally with respect to the operation unit housing 2 via the first hinge shaft 4 and the rotating unit 6 while the restricting unit 7 is engaged by the unit 9. be able to.
Then, after the release, the engagement lever 61 shown in FIG. 8 is engaged so as to bite into the operation unit housing 2 via the rubber 62.
Therefore, at the time of the PC style of FIG.

(Embodiment 2)
FIGS. 9 and 10 show the foldable mobile phone of the second embodiment. As in the first embodiment, 1 is a display unit housing, 1a is a display unit, 2 is an operation unit housing, and 2a is an operation. , 2e is a concave portion, 3 is a rotating hinge portion, 5 is a second hinge shaft, 6 is a rotating portion, and 17 is a linear regulating portion.

That is, in the second embodiment, as shown in the figure, the rotating portion 6 is provided with a linear antenna restricting portion 17.
As in the first embodiment, the second engagement portion 9 is provided in the operation unit casing 2 to restrict the display unit casing 1 in the PC style as shown in FIG. The backlash prevention by the part 17 is possible.

(Modification)
FIG. 11 shows an example of a hinge structure with three axes as a modified example. Like the first embodiment described above, in addition to the first hinge shaft 4 and the second hinge shaft 5, the vertical direction of the display housing 1 is shown. This is a configuration in which a third hinge shaft 13 is provided that allows the display unit housing 1 to rotate freely in a direction open state.
Thus, it is good also as the rotation hinge part 3 provided with the 3rd hinge axis | shaft 13. FIG.

  FIG. 12 shows a structural example of the restricting portion 7 and the operation portion casing 2 as a modified example. In the first embodiment described above, the step portion 7c formed in the restricting portion 7 as shown in FIG. You may make it cover the corner | angular part of the housing | casing 2. FIG.

In the above embodiment, the cellular phone is used. However, the present invention is not limited to this, and all electronic devices such as a calculator, an electronic dictionary, a digital camera, a video camera, a PDA, a notebook computer, and a wearable person are used. Can be used.
Further, the shaft of the rotary hinge portion may be provided separately and separately.
Furthermore, the structure of the housing, the rotating hinge part, the rotating part, the shape of the restricting part, the mechanism of the engaging part, etc. are arbitrary, and other specific details such as the structure can be changed as appropriate. is there.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view illustrating a configuration of an embodiment of an electronic apparatus to which the present invention is applied, illustrating a mobile phone having a casing opened in a vertical direction. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 1 in the horizontal direction. FIG. 3 is an exploded perspective view of a casing, a hinge portion, a restriction portion, and the like that constitute the mobile phone of FIGS. 1 and 2. It is sectional drawing which showed the relationship between the control part of FIG. 3, and the housing | casing of a folded state. It is sectional drawing which showed the coupling | bond part of the control part and hinge part of FIG. It is sectional drawing which showed the relationship between the control part of FIG. 3, the housing | casing of a folded state, and a 1st engaging part. It is sectional drawing which showed the relationship between the control part of FIG. 3, the housing | casing of a folded state, and a 2nd engaging part. It is sectional drawing which showed the relationship between the housing | casing and engagement part in the rotation part of FIG. FIG. 9 is a perspective view illustrating a mobile phone in which a casing is opened in a vertical direction according to the second embodiment. It is the perspective view which showed the state which open | released the mobile telephone of FIG. 9 to the horizontal direction. It is the figure which showed the hinge structure example by 3 axis | shafts as a modification. It is sectional drawing which showed the structural example of the control part and a housing | casing as a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st housing | casing 1a Main display part 1b Sub display part 1e Recessed part 2 2nd housing | casing 2a Operation part 2e Recessed part 3 Rotating hinge part 3a Connection member 3b Bracket 3c Support member 4 1st hinge shaft 5 2nd hinge Shaft 6 Rotating part 6b Bracket 61 Engaging lever 62 Elastic member 7 Restricting part 7a Concave flat surface 7b Concave taper surface 7c Step part 8 First engaging part 81 Push button 82 Engaging claw 83 Energizing member 9 Second engagement Joint portion 92 Engaging claw 93 Biasing member 13 Third hinge shaft 17 Restricting portion

Claims (6)

It is provided on one end side of the first casing and the second casing, and the first casing and the second casing are rotated relative to each other from the folded state to open in the first direction. A rotating hinge part composed of a plurality of intersecting axes for opening in a second direction orthogonal to the first direction;
A rotating part rotatably provided on the other end side of the first housing;
A regulating portion that is derived from the rotating portion and is capable of regulating at least one of the first casing and the second casing;
A hinge structure comprising: an engaging portion provided on at least one of the first housing and the second housing so that the restricting portion engages.   2. The first housing and the second housing are formed with a concave portion that accommodates the restricting portion or a corner portion that covers a step portion of the restricting portion. Hinge structure.   The restricting portion is formed in a loop shape surrounded by a U-shape along the periphery of the first housing and the second housing between the rotating hinge portion. The hinge structure according to claim 1 or 2.   The hinge structure according to claim 3, wherein the loop-shaped restricting portion also serves as an antenna.   The engaging portion engages the restricting portion with the second housing when the first housing is opened in the first direction, and the first housing is moved in the second direction. The hinge structure according to any one of claims 1 to 4, wherein the restricting portion is engaged with the first casing when opened. The hinge structure according to any one of claims 1 to 5,
A display unit provided in the first housing;
An electronic device comprising: an operation unit provided in the second housing.

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