JP2003322142A - Folding type cellular phone opening device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To open a folding type cellular phone in a single operation by one hand. <P>SOLUTION: In the device opening the folding type cellular phone 2, a device body 4 is provided from an installing potion 3 installed to the cellular phone. The device so as to protrude body 4 has an arm 5 capable of rotating between opening/closing positions of a cover, and a pressing piece 6 arranged between a grip and the cover of the cellular phone is provided at the tip of the arm. The arm is energized by a spring so as to push up the cover of the cellular phone in an opening direction by the pressing piece. The device body is provided with a holding mechanism holding the arm at a closing position against the spring, and an operable holding releasing means 8 releasing the holding by the holding mechanism and rotating the arm to an angle at which a push-up force by the spring is effected. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding mobile phone opening device.

[0002]

2. Description of the Related Art Recently, a foldable type mobile phone is convenient for storage because a gripping part having a display screen and a voice output part and a lid part having an input key and a voice input part are folded so as to overlap each other. It is sold by many.

However, although the foldable mobile phone can be opened with one hand, it must be opened with both hands in order to prevent it from falling. For this reason, when an incoming call is made when both hands cannot be used, such as when holding an object, the mobile phone cannot be immediately opened, and there is a problem that the response is delayed and wins.

[0004]

DISCLOSURE OF THE INVENTION The present invention solves the above-mentioned problems and is a foldable type which allows a quick response by opening the foldable type mobile phone by one-touch operation of a fingertip while firmly gripping it with one hand. It is an object to provide an opening device for a mobile phone.

[0005]

In order to solve the above-mentioned problems, the opening device for a folding mobile phone according to the present invention is characterized by the following requirements. (A) Having a mounting portion to be mounted on the back surface of the grip portion of the mobile phone (b) Providing a device body projecting to the side of the mobile phone from the mounting portion (c) The device body is a mobile phone Has an arm that is rotatable between a closed position and an open position of the lid, in the vicinity of the pivoting part of the mobile phone, and the arm is provided at the tip thereof between the grip of the mobile phone and the lid. (D) The pressing piece is provided. (D) The arm is urged by a spring so as to push the lid of the mobile phone upward in the opening direction with the pressing piece. And a holding mechanism for holding the holding mechanism in the closed position and a holding releasing mechanism for releasing the holding by the holding mechanism and rotating the arm to an angle where the pushing force of the spring is effective, and the holding releasing mechanism can be operated from the outside. In addition, in the above configuration, the following is formed. Matter may be provided with. . (A) The spring for urging the arm in the opening direction is a tension spring arranged between the arm and the apparatus body. (B) The holding mechanism is a tension spring when the arm is in the closed position. The tension spring is arranged so as to cross the vicinity of the rotation axis of the arm so that the pushing force by the force of the arm is smaller than the closing force of the lid. It is configured to push up the arm by a dynamic operation and rotate the arm to an angle at which the pushing force of the coil spring is effective. Further, in the configuration, the following requirements may be provided. (A) The holding mechanism includes a notch formed in the base of the arm and an engagement piece that can be engaged with and disengaged from the notch. The engaging piece is disengaged from the cutout portion by a dynamic operation, and the arm is pushed up and rotated to an angle at which the pushing force of the spring is effective.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference numeral 1 in FIGS. 1 and 4 to 7.
Shows an opening device of a foldable mobile phone. This opening device 1
Is a mounting portion 3 to be mounted on the back surface of the mobile phone 2, a device body 4 provided on the mounting portion 3 so as to project to the side of the mobile phone 2, and a device body 4 rotatably supported. Arm 5, a pressing piece 6 provided at the tip of the arm 5, a tension spring 7 for urging the arm 5 so that the mobile phone 2 is opened, and an opening force by the tension spring 7 is obtained to the angle. And holding release means 8 for rotating.

As shown in FIG. 3, the foldable portable telephone 2 has a grip portion 1 having an input key 9 and a voice input portion (not shown).
0 and the display screen 11 and the lid portion 12 having a voice output portion (not shown) are connected by a hinge 13 so that the lid portion 12 can be folded so as to overlap the grip portion 10 when not in use. .

As shown in FIGS. 1 and 4 to 7, the apparatus main body 4 includes a frame body 14, an arm 5 rotatably attached to one side inside the frame body 14 by a shaft 15, and an arm 5 opened. A tension spring 7 that urges the arm 5 to operate, a holding mechanism that holds the arm 5 in a closed state, and a holding release means 8 that releases the holding mechanism are provided. The rotation center of the arm 5 is provided near the rotation part of the mobile phone.

As shown in FIGS. 4 and 5, the arm 5 is provided at its base with a boss 16 which is biased downward, and a mounting recess 17 for the tension spring 7 is provided in the boss 16. Then, as shown in FIG. 4, in the mounting recess 17, the support shaft 18 of the tension spring 7 located at or near the rear dead center D1 is mounted in a tilted state, and the lower portion of the outer surface is mounted. Projection 1
9 is provided.

Further, the arm 5 has a pressing piece 6 disposed between the grip portion 10 and the lid portion 12 of the mobile phone at the tip thereof and is rotatably attached by a shaft 20 so that the arm 5 can be rotated in the direction in which the arm 5 is raised. When the lid 12 of the mobile phone 2 is opened, the pressing piece 6
Rotates about the shaft 20 and always urges the lid 12 to be pushed up in the opening direction.

Next, in the apparatus body 4, a holding mechanism for holding the arm 5 in the closed position against the tension spring 7 and a holding mechanism for releasing the holding by the holding mechanism to move the arm 5 by the tension spring 7. A holding release means for rotating the push-up force to an angle at which the push-up force works is provided. The holding releasing means 8 is formed so as to be operable from the outside.

In the holding mechanism, when the arm 5 is in the closed position, the pushing force by the tension spring 7 is applied to the lid portion 1.
The extension spring 7 is arranged so as to cross the vicinity of the rotation axis of the arm 5 so as to be smaller than the closing force of 2. That is, as shown in FIGS. 4 and 5, the tension spring 7 has its movable end fixed to the support shaft 18 attached to the arm 5 and its fixed end fixed to the support shaft 21 attached to the front part of the frame body 14. By connecting the frame 14 and the arm 5, when the arm 5 is tilted, the support shaft 18 moves to the rear dead center D1 or a position close to this, and when the arm 5 is raised, the support shaft 18 moves to the front dead center D2. It is designed to move to a position close to this.

The holding release means 8 is constructed so as to push up the arm 5 by a turning operation and turn it to an angle at which the pushing force of the tension spring 7 is effective. That is, the holding release means 8 is, as shown in FIGS. 4 to 7, a slider 22 accommodated in the lower part of the frame body 14 so as to be movable in the front-rear direction, and is erected on the slider 22 to stand upright on the base portion of the arm 5. A push piece 23 to be brought into contact with a protrusion 19 provided on the outer side of the slider, and an operating lever 26 with an operating portion 25, which is superposed on the upper front side of the slider 22 and has an intermediate portion rotatably attached to the slider 22 by a shaft 24. , A support surface 27 with which the tip of the operating lever 26 is brought into contact.

In the opening device for the folding type portable telephone having the above-described structure, the pressing piece 6 provided at the tip of the arm 5 allows the portable telephone 2 to be inserted between the grip portion 10 and the lid portion 12 by the attaching portion 3. 2 is attached to the grip 10. When the lid 12 is folded so as to overlap the grip 10 when not in use, the arm 5 rotates and the support shaft 18 mounted in the mounting recess 17 of the boss 16 is moved to the rear dead center D1 by the holding mechanism. , The operation lever 26 attached to the slider 22 by the shaft 24 by moving the pushing piece 22 of the slider 21 to the rear wall of the frame body 14 while the protrusion 19 provided on the outer side of the boss 16 moves to the vicinity thereof. The operating portion 25 of the above is projected to the outside of the frame body 14 as shown in FIG.

In use, when the operating portion 25 of the operating lever 24 constituting the holding releasing means 8 is pushed inward, the operating lever 26 rotates about the shaft 24 and the supporting surface 27 contacting the tip end thereof is moved. It slides outward and pulls the slider 22 forward. Therefore, the push piece 23 provided upright on the upper side of the slider 22 engages with the protrusion 19 provided on the outside of the boss 16 of the arm 5 and pushes the protrusion 19 forward, so that the arm 5 rotates in the rising direction. Then, the support shaft 18 attached to the boss 16 is moved away from the rear dead center D1 so that the tension force of the tension spring 7 acts as the rotation force of the arm 5 to be in an activated state.

The arm 5 which has been activated to the above-mentioned angle is thereafter rotated by the pulling force of the tension spring 7 so that the pressing piece 6 is pushed.
The lid 12 is pushed up by and the lid 12 is opened as shown in FIG. At this time, the support shaft 18 attached to the boss 16 of the arm 5 is positioned at or near the front dead center D2, so that no rotational force acts on the arm 5 and the lid 12 is opened. Hold.

After using the mobile phone, the lid 12 may be closed by hand. As a result, the arm 5 rotates in the closing direction together with the lid portion 12, and the holding mechanism comes into effect as described above, and at the same time, the holding release means 8 returns to the original state.

Next, FIGS. 8 to 12 show other examples of the holding mechanism and the holding releasing means in the opening device of the folding portable telephone.

An arm 5 is attached to the apparatus main body 4,
An arc-shaped side plate 30 is formed on one side of the base of the arm 5, and a notch 31 is formed at a position that is an upper part when the arm 5 of the side plate 30 is in the open position. The base of the arm 5 is rotatably attached to both sides of the apparatus main body 4 via a rotary shaft 40 in the opening / closing direction, and a string winding spring 32 is arranged on the rotary shaft 40 so that the arm 5 is always open. Being energized. In addition, on the other side of the base of the arm 5, a rotating shaft 40
A triangular inclined portion 33 is formed in the vicinity of.

Further, an operation lever 34 which is swingable in the left-right direction via a shaft 39 is arranged in the apparatus body 4. The operation portion 25 is formed at one end of the operation lever 34, and a thick engagement portion 36 is formed at a portion corresponding to the inclined portion 33 (when closed) of the arm 5 in the middle portion and is inclined. . The other end of the operating lever 34 is formed as an engaging piece 37.
The operating lever 34 is moved by the spring 38 into the operating portion 2 described above.
5 is biased away from the cell phone.

The holding mechanism is composed of a notch 31 formed in the base of the arm 5 and an engaging piece 37 of an operating lever 34 which can be engaged with and disengaged from the notch 31.

The holding releasing means 8 releases the engagement piece 37 from the engagement with the cutout portion 31 by the turning operation of the operation lever 34, and the engagement portion 36 of the operation lever 34 at the time of the turning operation. 33 of the arm 5 in the closed state
When the arm 5 is pushed up, the arm 5 is pushed up and rotated to an angle where the pushing up force by the string winding spring 32 is effective.

In the above structure, when the mobile phone is opened, the notch 31 of the arm 5 is located above, as shown in FIGS.
The tip of the engaging piece 37 of No. 4 is held inside the side plate 30. On the other hand, when the lid 12 is closed and the arm 5 is rotated in the closing direction against the string spring 32, the notch 31 moves downward as shown in FIGS. 10 and 11. Therefore, the operating lever 34 is rotated by the spring 38,
The tip of the engagement piece 37 moves to the inside of the cutout portion 31. As a result, the arm 5 cannot rotate to the opposite side. Therefore, the arm 5 is held in the closed state.

On the other hand, when the operating portion 25 of the operating lever 34 is pushed in the direction of the arrow in FIG. 12 with the thumb to rotate the operating lever 34, the tip of the engaging piece 37 is provided with the notch 3 of the arm 5.
It deviates from 1. However, as it is, the cover 1 of the mobile phone
Since the force for holding 2 in the closed state is larger, the lid cannot be easily rotated in the opening direction even by the coiled spring 32. Therefore, when the operation lever 34 is continuously rotated, the engaging portion 36 in the middle of the operation lever 34 is moved to the inclined portion 33 of the arm 5.
Engage with. When pushed further, the engaging portion 36 pushes up the inclined portion 33, so that the arm 5 rotates upward. The arm 5 is pushed up and rotated to an angle where the pushing force of the string winding spring 32 is effective. As a result, thereafter, the arm 5 is rotated in the opening direction by the spring force of the string winding spring 32, and the mobile phone is opened.

After using the mobile phone, the lid 12 may be closed by hand. As a result, the arm 55 rotates in the closing direction together with the lid portion 12, and the holding mechanism comes into effect as described above, and at the same time, the holding releasing means 8 returns to the original state.

[0026]

According to the first aspect of the invention, it is possible to promptly respond to an incoming call by immediately opening the foldable portable telephone without any fear of dropping it with one hand in response to reception.

The opening force is applied to the spring by the closing operation of the foldable mobile phone, and the activation of the holding release means is promoted, so that the lid part can be quickly and surely opened by the force of the spring, and the device can be used. The structure of will be simple.

According to the second aspect of the invention, when the arm is rotated to the closed position, the tension spring crosses the vicinity of the rotation axis of the arm. Although it is smaller than the closing force, the lid can be opened by rotating the holding release means to an angle where the pushing-up force by the tension spring is effective.

According to the third aspect of the present invention, when the arm is rotated to the closed position, the engagement piece of the holding mechanism engages with the notch formed in the base of the arm to close the arm. By holding the engaging release piece from the engagement with the cutout portion by the turning operation of the holding release means, the arm is pushed up and turned up to an angle where the pushing up force by the spring is effective. The lid can be opened by rotating the spring to an angle at which the pushing force of the spring works.

[Brief description of drawings]

FIG. 1 is a plan view showing an opening device of a folding mobile phone according to the present invention.

FIG. 2 is a perspective view showing a state in which a mobile phone having the same device attached is folded.

FIG. 3 is a perspective view showing a state in which the mobile phone is opened as above.

FIG. 4 is a vertical cross-sectional view of the state shown in FIG.

5 is a vertical cross-sectional view of the state shown in FIG.

FIG. 6 is a cross-sectional view showing a standby state of the holding release means.

FIG. 7 is a cross-sectional view showing an operating state of the holding release means.

FIG. 8 is a plan view of a main part in an open state showing another example of the holding mechanism and the holding release means in the opening device.

9 is a vertical cross-sectional view of the center of FIG.

FIG. 10 is a sectional view showing an operating state of the holding mechanism.

FIG. 11 is a plan view of a main part in a closed state.

FIG. 12 is a front view showing an operation mode of holding release means.

[Explanation of symbols]

1 Opening device 2 mobile phones 3 Mounting part 4 Device body 5 arms 6 pressing piece 7, 32 springs 8 Hold release means

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kenjiro Yamaguchi             Stock Exchange, 3-45-23 Harue-cho, Edogawa-ku, Tokyo             Company office Yamaguchi F term (reference) 3J105 AA02 AA03 AB14 AB24 AC07                       DA15 DA23                 5K023 AA07 BB11 DD08 MM25 PP12                       RR09

Claims (3)

[Claims] 1. A device for opening a foldable mobile phone in which a lid portion having a display screen and a voice output portion is rotated and folded so as to be overlapped with a grip portion having an input key and a voice input portion. An opening device for a foldable mobile phone, characterized by having the following requirements. (A) Having a mounting portion to be mounted on the back surface of the grip portion of the mobile phone (b) Providing a device body projecting to the side of the mobile phone from the mounting portion (c) The device body is a mobile phone Has an arm that is rotatable between a closed position and an open position of the lid, in the vicinity of the pivoting part of the mobile phone, and the arm is provided at the tip thereof between the grip of the mobile phone and the lid. (D) The pressing piece is provided. (D) The arm is urged by a spring so as to push the lid of the mobile phone upward in the opening direction with the pressing piece. And a holding mechanism for holding the holding mechanism in the closed position and a holding releasing mechanism for releasing the holding by the holding mechanism and rotating the arm to an angle where the pushing force of the spring is effective, and the holding releasing mechanism can be operated from the outside. Formed into 2. The following requirements are provided,
The opening device for a folding mobile phone according to claim 1. (A) The spring for urging the arm in the opening direction is a tension spring arranged between the arm and the apparatus body. (B) The holding mechanism is a tension spring when the arm is in the closed position. The tension spring is arranged so as to cross the vicinity of the rotation axis of the arm so that the pushing force by the force of the arm is smaller than the closing force of the lid. It is configured to push up the arm by a dynamic operation and rotate it to an angle where the pushing force by the tension spring is effective. 3. The following requirements are provided,
The opening device for a folding mobile phone according to claim 1. (A) The holding mechanism includes a notch formed in the base of the arm and an engagement piece that can be engaged with and disengaged from the notch. The engaging piece is disengaged from the cutout portion by a dynamic operation, and the arm is pushed up and rotated to an angle at which the pushing force of the spring is effective.