JP4159646B2 - Hinge device, flip and mobile phone - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hinge device having an attaching / detaching function. Moreover, it is related with the flip provided with the attachment / detachment function by providing such a hinge apparatus. Further, the present invention relates to a portable telephone configured to be attached to and detached from a flip portable telephone body using a hinge device having an attachment / detachment function.
[0002]
[Prior art]
As a portable phone, there are known a flip type in which a flip is detachably attached to a portable phone body and an integral type without a flip. At present, the integrated type is becoming mainstream in terms of weight reduction and convenience.
[0003]
[Problems to be solved by the invention]
However, due to the advantages of the flip type such as prevention of erroneous switch operation, compactness, and design diversity, both types are required to be compatible. In addition, it is desired that the flip can be removed if necessary.
[0004]
The present invention has been made in view of the above circumstances, and an object thereof is to provide a flip having an attaching / detaching function.
Another object of the present invention is to provide a hinge device having a detachment function in addition to the hinge function in order to give the flip a detachment function.
Furthermore, an object of the present invention is to provide a mobile phone configured so that the flip can be attached to and detached from the mobile phone body.
[0005]
[Means for Solving the Problems]
In the hinge device according to claim 1, a casing having a projection hole formed on the front side, a cam portion accommodated in the casing and having a cam surface formed around an axis, and the cam portion And a protrusion that is connected to the front side in the axial direction, is sized to protrude from the protrusion hole, and is asymmetric with respect to rotation about the axis, and is relatively non-rotatable with respect to the casing. A hinge spring that is housed in the casing in a possible state and grips the cam surface from a direction orthogonal to the axis, and is housed on the rear side in the axial direction of the cam portion in the casing, and the protrusion is And a pressing spring biasing forward in the axial direction.
In the hinge device according to claim 2, in the hinge device according to claim 1, the projecting portion has a substantially hemispherical shape, and has a concave portion formed in an asymmetric shape with respect to rotation about the axis at the tip. It is characterized by having.
According to a third aspect of the present invention, there is provided the hinge device according to the first or second aspect, wherein a through-hole penetrating the cam portion and the protruding portion is provided.
The flip according to claim 4 is a flip that opens and closes with respect to the portable telephone body, and includes the hinge device according to claim 1, 2, or 3, and the portable device using the hinge device. It is characterized in that it is configured to be attached to and detached from the mobile phone body.
6. The mobile phone according to claim 5, wherein the mobile phone comprises a flip that is opened and closed with respect to the mobile phone body, and a mobile phone body, wherein one of the flip and the mobile phone body. Further, the hinge device according to claim 1, 2 or 3 is provided, and the flip is configured to be attached to and detached from the portable telephone body using the hinge device.
6. The mobile phone according to claim 6, wherein the hinge device according to claim 2 is provided on one of the flip and the mobile phone main body, and the flip and the mobile phone. The other part of the telephone main body is provided with a convex portion that is concavo-convexly fitted to the concave portion of the protruding portion of the hinge device.
The portable telephone set according to claim 7 is the portable telephone set according to claim 5 or 6, wherein when the flip is removed from the other of the flip and the portable telephone main body, the protruding portion of the hinge device is A pushing mechanism for pushing in the rear side in the axial direction is provided.
9. The portable telephone according to claim 8, wherein when the flip is mounted on the other of the flip and the portable telephone body, the protrusion of the hinge device is the portable telephone according to claim 5, 6 or 7. An inclined guide part is provided, which is in contact with the part and guides the protruding part to be pushed rearward in the axial direction.
[0006]
According to the first aspect of the present invention, the cam portion having the cam surface formed around the axis is rotated around the axis while being held by the hinge spring. At this time, the torque corresponding to the cam surface shape is brought to the cam portion by the gripping force of the hinge spring. In this way, a hinge function with the desired torque characteristics is provided.
In addition, the protruding portion connected to the cam portion is urged forward in the axial direction by a pressing spring, and normally protrudes from the protruding hole of the casing, but is pushed by applying a pressing force from the outside. It can be pulled back in the axial direction against the biasing force of the spring. As described above, since the projecting portion is retractable, the hinge device is provided with an attaching / detaching function.
According to the invention of claim 2, since the projecting portion has a substantially hemispherical shape, not only when it is pushed from the axial direction, but also when it is pushed from the oblique direction with respect to the axial line, Even if it is a case where it pushes in from the orthogonal direction with respect to an axis, a protrusion part can be drawn.
In addition, since the protrusion has a recess having an asymmetric shape with respect to rotation around the axis at the tip, even if the protrusion is substantially hemispherical, idling is prevented and a hinge function is provided. .
According to the invention described in claim 3, it is possible to make electrical connection using the through hole.
According to the fourth aspect of the invention, since the flip includes the hinge device as described above, the flip is attached to and detached from the portable telephone body using the attachment / detachment function of the hinge device. Further, when the flip is mounted on the portable phone body, the flip is opened and closed with respect to the portable phone body using the hinge function of the hinge device.
According to the invention of claim 5, since the hinge device as described above is provided on one of the flip and the portable phone body, the flip and the portable phone body can be connected to each other using the hinge device attaching / detaching function. When the flip is attached to the portable telephone body, the flip is opened and closed with respect to the portable telephone body using the hinge function of the hinge device.
According to the invention described in claim 6, one of the flip and portable telephone main bodies is provided with the hinge device having a protrusion with a recess formed at the tip, and the other is a protrusion that fits into the recess. Therefore, the concave / convex fitting between the concave portions and the convex portions increases the coupling force of the hinge device at the time of flip mounting, thereby providing the hinge function more reliably.
According to the seventh aspect of the present invention, when the pushing mechanism is operated when the flip is mounted on the mobile phone body, the protruding portion of the hinge device is pushed backward in the axial direction, whereby the hinge device is removed. It is. That is, the flip is removed from the mobile phone body.
According to the eighth aspect of the present invention, when the protrusion of the hinge device is pressed against the inclined guide when the flip is removed from the mobile phone body, the protrusion is guided by the inclined guide and pulled. Using this, the flip can be easily attached to the mobile phone body.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0008]
[First Embodiment]
FIG. 1 shows a first embodiment of a hinge device of the present invention. In FIG. 1, the hinge device 10 includes a casing 11, a cam portion 12, a locking portion 13, a protruding portion 14, a hinge spring 15, and a push spring. 16, and so on.
[0009]
The casing 11 has a substantially square cylindrical shape, and is configured with a protruding hole 11a formed on the front side.
[0010]
The cam portion 12 is accommodated in the casing 11 and has a cam surface formed around the axis. As an example, the cam portion 12 has a shape as shown in FIG. That is, the cam portion 12 has a line-symmetric shape around the axis O, and has a holding surface 12a and a return force receiving surface 12b as cam surfaces around the axis O.
[0011]
Here, the cam operation when the illustrated cam portion 12 is applied to a mobile phone will be described. For example, the open state of the flip mobile phone main body is set to be the state shown in FIG. Yes. In the state A, the hinge spring 15 holds the holding surface 12a, and the flip is stably held with an opening angle β (for example, 120 °) with respect to the portable telephone body.
[0012]
Further, the closed state of the flip portable telephone body is set to be the state shown in FIG. In the state C, the hinge spring 15 holds the return force receiving surface 12b. The return force receiving surface 12b is located on the inner side of the virtual arcuate surface D with the axis O as the center. Therefore, in this closed state, the hinge spring 15 has a torque in a direction in which the flip is closed. Has occurred, and the flip is urged in a more closing direction.
[0013]
When the flip is opened from the closed state, that is, when the hinge spring 15 is relatively rotated clockwise in the figure (in the illustrated embodiment, the cam part 12 actually rotates. 12 and the hinge spring 15 are relative to each other, so it is sufficient that either of them rotate relatively). After the state shown in FIG. B is passed, the flip is immediately (automatically) opened. And migrate. This transition angle α is set to 30 °, for example.
[0014]
Returning to FIG. 1, the locking portion 13 is connected to the front side in the axial direction of the cam portion 12 and is formed in a size larger than the protruding hole 11 a.
[0015]
The protruding portion 14 is connected to the front side of the locking portion 13 and is formed in a size that can protrude from the protruding hole 11a. The protrusion 14 is formed in an asymmetric shape with respect to the rotation around the axis O so as not to cause idling. In the example of FIG. 1, the protrusion 14 has a substantially hemispherical shape. However, it has an asymmetric shape with respect to rotation by having a linear recess 14a at the tip.
[0016]
The hinge spring 15 includes an inner spring 15a and an outer spring 15b, both of which are plate springs, and is accommodated in the casing 11 so as not to rotate relative to the casing 11. In the illustrated embodiment, the casing 11 has a substantially rectangular tube shape, and the hinge spring 15 is a leaf spring, thereby preventing relative rotation of each other. The hinge spring 15 grips the cam surface of the cam portion 12 from the direction orthogonal to the axis O, and generates torque according to the local shape of the grip portion of the cam surface.
[0017]
The push spring 16 is accommodated in the casing 11 so as to be positioned on the rear side in the axial direction of the cam 12 portion, on the rear side of the hinge spring 15 in the illustrated example. The push spring 16 urges the protrusion 14 toward the front side in the axial direction.
[0018]
The hinge device 10 configured as described above has a hinge function having a torque characteristic corresponding to the cam surface shape due to the interaction between the cam portion 12 and the hinge spring 15. At the same time, the protrusion 14 is urged forward in the axial direction by the push spring 16, and by applying a pushing force from the outside, it can be pulled back in the axial direction against the urging force of the pushing spring 16. It is configured. That is, the hinge device 10 has a detachable function.
[0019]
Next, a configuration example of the flip to which the hinge device 10 as described above is fixedly attached will be described.
[0020]
As shown in FIG. 3, the flip 20 includes a flip body 21 and a mounting portion 22.
[0021]
Two attachment parts 22 are integrally formed in a form protruding from both edge parts on one side edge of the flip body 21. The attachment portion 22 is formed with a substantially square arrangement hole 22a. In this case, the arrangement hole 22 a is slightly smaller than the outer size of the casing 11 of the hinge device 10.
[0022]
The hinge device 10 is fixedly mounted in each mounting portion 22 with respect to such a flip 20. Specifically, fixing is achieved by forcibly fitting the hinge device 10 having a slightly larger size into the arrangement hole 22a having a slightly smaller size.
[0023]
The flip 20 configured as described above has a hinge function and an attachment / detachment function by fixedly including the hinge device 10 having a hinge function and an attachment / detachment function.
[0024]
Next, a configuration example of the mobile phone body to which the flip 20 as described above is applied will be described.
[0025]
As shown in FIG. 4, the mobile phone body 30 is provided with a mounting portion 31 on one side edge.
[0026]
The attachment portion 31 includes a recess 32 and a central raised portion 33. The shapes of the recess 32 and the central raised portion 33 correspond to the shape of the mounting portion 22 of the flip 20.
[0027]
The central raised portion 33 is formed with attachment holes 33a at both ends. The size of the mounting hole 33a is substantially equal to the size of the protruding portion 14 of the hinge device 10. And the convex part 33b which can be unevenly fitted with respect to the recessed part 14a in the protrusion part 14 of the hinge apparatus 10 is formed in the attachment hole 33a, as expanded and shown in FIG.
[0028]
FIG. 6 is a diagram illustrating a state in which the flip 20 configured as described above is attached to the mobile phone body 30. As shown in the figure, the hinge device 10 is fixed to the flip 20 in advance in such a manner that the protruding portion 14 protrudes inward from the mounting portion 22. Then, the flip 20 is attached to the portable telephone body 30. At the time of attachment, the flip 20 may simply be pressed against the portable telephone body 30.
[0029]
This is because the protrusion 14 has a substantially hemispherical shape, so that when the protrusion 14 abuts against the wall of the central raised portion 33, the protrusion 14 can be This is because it can be pushed backward in the direction. In this way, the flip 20 is attached to the mobile phone body 30. Thus, the portable telephone is assembled by mounting the flip 20 on the portable telephone main body 30.
[0030]
In addition, when the flip 20 once mounted is removed from the mobile phone body 30, it is only necessary to pull out the flip 20 from the mobile phone body 30.
[0031]
This is because the projecting portion 14 has a substantially hemispherical shape, and thus when the projecting portion 14 is pressed against the surrounding wall, the projecting portion 14 can be easily pulled back in the axial direction. . In this way, the flip 20 can be easily removed from the mobile phone body 30.
[0032]
The cam operation after mounting is as described above.
[0033]
In this case, since the concave-convex fitting is performed between the concave portion 14a of the protruding portion 14 in the hinge device 10 and the convex portion 33b in the mounting hole 33a, idling of the protruding portion 14 is prevented. In addition, the coupling force of the hinge device 10 when the flip 20 is mounted is enhanced.
[0034]
[Second Embodiment]
The hinge device in this embodiment is different from the hinge device 10 only in that the shape of the protruding portion 14 is a substantially quadrangular prism shape.
[0035]
The flip in this embodiment has the same configuration as the flip 20 described above.
[0036]
The mobile phone main body in this embodiment is different from the mobile phone main body 30 in that (1) the push-in mechanism 40 is provided in the central raised portion 33, and (2) the inclined guide portion 50 is provided in the central raised portion 33. Only the point that is formed is different.
[0037]
The pushing mechanism 40 has an end portion exposed to the outside (in the example of FIG. 8, an example of projecting is shown, but it is not always necessary to project) a driving member 41, a movable member 42, It is composed of The driving member 41 and the movable member 42 are in contact with each other through an inclined surface.
[0038]
When the flip 20 is removed from the state in which the flip 20 is mounted on the portable telephone body 30 as shown in FIG. 8, a pushing force is applied to the drive rod 41 in the direction indicated by the arrow F. As a result, the drive rod 41 moves in the direction of the arrow G shown in the figure. Along with this, the movable member 42 moves in the direction indicated by the arrow H by being guided by the inclined surface. Thereby, the protrusion part 14 is fully pushed in and the flip 20 can be removed easily.
[0039]
Here, as shown in FIG. 9, in the flip 20, if the protrusion 45 is provided at a position corresponding to the drive member 41, the flip 20 can be easily removed by opening the flip 20 by 180 degrees.
[0040]
Further, as shown in FIG. 10, when the flip 20 is mounted from the state where the flip 20 is detached from the portable telephone body 30, it is only necessary to push the flip 20 in. This is because an inclined guide portion 50 that is widened as the flip 20 is pushed in is provided in the central raised portion 33, so that the protruding portion 14 of the hinge device 10 is pressed against the inclined guide portion 50 and the flip 20 is pushed in. At this time, as the flip 20 is pushed in, the projecting portion 14 is gradually drawn while being guided by the inclined guide portion 50. In this way, the flip 20 can be easily attached to the mobile phone body 30.
[0041]
[Third Embodiment]
The hinge device according to this embodiment is different from the hinge device 10 according to the first embodiment only in that a through hole is formed through the cam portion 12, the locking portion 13, the protruding portion 14, and the hinge spring 15. Is different.
[0042]
In this through hole, as shown in FIG. 11A, a spring probe 60 (FIG. 11B) having a tip protruding and retractable is disposed and fixed. The spring probe 60 is also disposed through the internal space of the push spring 16. A micro cord 61 is connected to the spring probe 60. The tip of the spring probe 60 makes an electrical contact.
[0043]
The flip in this embodiment has the same configuration as the flip 20 described above.
[0044]
The portable telephone main body in this embodiment is different from the portable telephone main body 30 only in that the convex portion 33b is a contact terminal. A micro cord 62 is connected to the convex portion 33b.
[0045]
In this embodiment, when the flip 20 is attached to the portable telephone body 30, the spring probe 60 disposed and fixed in the through hole and the convex portion 33b are in electrical contact. Thus, when the flip 20 is attached, an electric element (not shown) such as a flip microphone provided in the flip 20 is automatically attached to the portable telephone body 30 via the micro cords 61 and 62. Can be connected. Therefore, the flip microphone and the main body microphone 65 can be used at the same time, or can be used selectively.
[0046]
In addition, this invention is not limited to the said embodiment, It can also be set as the following forms.
a) Instead of providing the hinge device 10 on the flip 20 side, the hinge device 10 is provided on the portable telephone body 30 side.
b) Instead of providing the linear concave portion 14a at the tip of the protruding portion 14 in the hinge device 10, another arbitrary rotationally asymmetric concave portion such as a cross-shaped concave portion is provided.
c) Instead of the cam portion 12 having the shape shown in FIG.
[0047]
[Comparative Example]
On the other hand, FIG. 12 shows a comparative example of the hinge device. The hinge device 100 includes a casing 101, a protruding portion 102, cam members 103 and 104, a spring 105, and the like.
[0048]
In the normal state of the hinge device 100, the cam members 103 and 104 are concavo-convexly fitted, and when a large rotational force is applied, the cam member 104 is pulled backward against the biasing force of the spring 105. By doing so, the cam operation is performed.
[0049]
Even when such a hinge device 100 is required to have an attachment / detachment function, since the hinge device 100 has a single spring 105, the optimum hinge function and the optimum attachment / detachment function can be obtained at the same time. There is a problem that can not be.
[0050]
That is, since the spring related to the hinge function and the spring related to the attachment / detachment function are common, if the spring force is optimally set according to one function, the spring force from the optimum value is set for the other function. It will come off.
[0051]
On the other hand, since the hinge device 10 according to the present invention is provided with the hinge spring 15 and the pressing spring 16 separately, the strength of the hinge spring 15 and the strength of the pressing spring 16 are individually set. There is a special advantage that you can. That is, the spring strength suitable for the hinge function and the spring strength suitable for the attachment / detachment function can be individually set, and satisfactory characteristics can be obtained for both functions.
[0052]
【The invention's effect】
According to the hinge device, the flip and the mobile phone of the present invention, the following effects can be obtained.
According to the hinge device of the first aspect, not only the hinge device has a hinge function by the cam portion and the hinge spring, but also the protruding portion connected to the cam portion is moved forward in the axial direction by the pressing spring. And has an attaching / detaching function. In this case, the strength of the hinge spring and the strength of the push spring can be set individually, and the spring strength suitable for the hinge function and the spring strength suitable for the attachment / detachment function can be individually set. Satisfactory characteristics can be obtained.
According to the hinge device of the second aspect, since the protruding portion has a substantially hemispherical shape, the protruding portion can be easily pulled in regardless of the pushing direction, and the attaching / detaching function of the hinge device can be easily performed. Can bring.
In addition, since the protrusion has a concave portion that forms an asymmetric shape with respect to the rotation around the axis at the tip, even if the protrusion has a substantially hemispherical shape, it can prevent idling and provide a hinge function. be able to.
According to the hinge device of the third aspect, electrical connection can be performed using the through hole.
According to the flip of the present invention, since the flip includes the hinge device as described above having a hinge function and an attachment / detachment function, the flip is used for the portable telephone using the attachment / detachment function of the hinge device. It can be attached to and detached from the main body. Further, when the flip is mounted on the portable telephone body, the flip can be opened and closed with respect to the portable telephone body using the hinge function of the hinge device.
According to the mobile phone of claim 5, since one of the flip and the mobile phone main body includes the hinge device as described above having the hinge function and the attachment / detachment function, the attachment / detachment function of the hinge device is utilized. Thus, the flip and the mobile phone main body can be attached and detached. Further, in a state where the flip is mounted on the portable telephone body, the flip can be opened and closed with respect to the portable telephone body using the hinge function of the hinge device.
According to the mobile phone of claim 6, one of the flip and the mobile phone main body is provided with the hinge device having a protruding portion with a recess formed at the tip, and the other is unevenly fitted to the recess. Since the convex portion is provided, the coupling force of the hinge device at the time of flip mounting can be increased by fitting the concave and convex portions between the concave and convex portions, and the hinge function can be provided more reliably.
According to the portable telephone set of claim 7, the hinge device can be easily detached by operating the push-in mechanism. That is, the flip can be easily removed from the portable telephone body.
According to the portable telephone of the eighth aspect, the hinge device can be easily mounted by pressing the protruding portion of the hinge device against the inclined guide portion. That is, the flip can be easily attached to the portable telephone body.
[Brief description of the drawings]
1A and 1B are views showing a first embodiment of a hinge device of the present invention, wherein FIG. 1A is a plan view and FIG. 1B is a front view.
2 is a cross-sectional view showing an example of a cam portion shape in the hinge device of FIG. 1. FIG.
FIGS. 3A and 3B are diagrams showing a configuration example of a flip, wherein FIG. 3A is a plan view and FIG. 3B is a front view.
FIGS. 4A and 4B are diagrams schematically illustrating an outer shape of a mobile phone body, in which FIG. 4A is a plan view and FIG. 4B is a front view.
FIG. 5 is an enlarged view showing a cross section taken along line VV in FIG. 4;
FIG. 6 is a perspective view showing a state in which a flip is attached to a mobile phone main body.
7A and 7B are views showing a second embodiment of the hinge device of the present invention, wherein FIG. 7A is a front view, and FIG. 7B is a left side view.
FIG. 8 is a diagram schematically showing another embodiment of the mobile phone main body.
9 is a diagram schematically showing an example of a flip suitable for application to the mobile phone body of FIG. 8. FIG.
FIG. 10 is a diagram showing a state in which a flip is attached to a mobile phone body in the second embodiment.
FIG. 11 is a diagram showing a third embodiment of the present invention.
FIG. 12 is a view showing a comparative example of the hinge device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Hinge apparatus 11 Casing 11a Protrusion hole 12 Cam part 14 Protrusion part 14a Concave part 15 Hinge spring 16 Push spring 20 Flip 30 Portable telephone main body 33b Convex part 40 Pushing mechanism 50 Inclination guide part O Axis line

Claims (6)

A casing having a protruding hole formed on the front side;
A cam portion housed in the casing and having a cam surface formed around an axis;
A protrusion that is connected to the cam portion in front of the axial direction, is formed in a size that can protrude from the protrusion hole, and is asymmetric with respect to rotation about the axis;
A hinge spring accommodated in the casing in a state incapable of rotating relative to the casing and gripping the cam surface from a direction orthogonal to the axis;
A pressing spring that is housed on the rear side in the axial direction of the cam portion in the casing and biases the protruding portion toward the front side in the axial direction .
The protruding portion has a substantially hemispherical shape, and has a concave portion at the tip that forms an asymmetric shape with respect to rotation around the axis,
A through hole penetrating the cam portion and the protruding portion is provided in the protruding portion so as to open in the concave portion;
A hinge device characterized in that a spring probe whose tip is freely projectable and retractable into the recess is provided in the through hole . A flip that is opened and closed with respect to the mobile phone body,
A flip comprising the hinge device according to claim 1 and configured to be attached to and detached from the portable telephone body using the hinge device. A mobile phone comprising a flip that is opened and closed with respect to the mobile phone body, and the mobile phone body,
The hinge device according to claim 1 is provided on one of the flip and the portable phone body, and the flip is configured to be attached to and detached from the portable phone body using the hinge device. A portable phone characterized by. The mobile phone according to claim 3, wherein
One of the flip and the portable telephone body is provided with the hinge device according to claim 1,
2. A portable phone, wherein the other of the flip and the portable phone main body is provided with a convex portion that is concavo-convexly engaged with the concave portion of the protruding portion of the hinge device. The mobile phone according to claim 3 or 4,
2. A portable telephone, wherein the other of the flip and the portable telephone main body is provided with a pushing mechanism for pushing the protruding portion of the hinge device to the rear side in the axial direction when removing the flip. . The mobile phone according to claim 3, 4 or 5,
On the other side of the flip and the portable telephone body, when the flip is mounted, an inclined guide portion that abuts on the protrusion of the hinge device and guides the protrusion to be pushed rearward in the axial direction is provided. A mobile phone characterized by the above.

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