JPH09247253A - Turning structure for foldable telephone set - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent dispersion in voice power for each user due to personal difference among interval and angle of ears and mouth of persons by forming a cylindrical open/close adjustment member with a notch and fixing the notch of the open/close adjustment member at an optional angle so as to allow each user to adjust a folded angle to be preferred open/close angle. SOLUTION: A projected stripe is formed on an inner face of a cylinder section 3 axially and a cylindrical open/close adjustment member 8 with a notch is formed. The member 8 is inserted into the cylinder section 3 to press one en of the cylindrical open/close adjustment member 8 into contact with an end face of a cylinder section 6 and the other end is tightened by a screw 11 and the notch 10 of the cylindrical open/close adjustment member 8 is fixed at an optional angle. Since the structure of the telephone set to fix it at an optional position preferred by the user is obtained, excellent communication sensitivity is obtained without dispersion in voice power during transmission. Furthermore, even when an excess force is exerted to the telephone set in the case of opening/closing, a damaged turning mechanism is avoided. Moreover, since the open/close angle is adjusted by less number of components, the excellent assembling and maintenance performance are obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rotating structure of a foldable telephone used as a portable communication device.

[0002]

2. Description of the Related Art As a conventional folding structure of a folding type telephone, for example, Japanese Utility Model Laid-Open No. 62-5741 and Japanese Utility Model Laid-Open No. 6-5741 are disclosed.
Those described in JP-A No. 2-5742, JP-A No. 62-5743 and JP-A No. 5-68156 are known. In those disclosed in these publications, normally, a transmitter and a receiver are mounted on separate members, and members equipped with them are rotatably supported by shafts to form a foldable telephone. There is. It is also known that the transmitter and the receiver are mounted on the same member, and a cover called a flipper is rotatably supported by a shaft on the transmitter side.

[0003]

However, in the above-described conventional folding structure of the folding type telephone, the manufacturer decides the opening / closing angle of the rotating mechanism, fixes the stopper portion, manufactures it, and sells it to the user. Therefore, the user was limited to use at a predetermined fixed opening / closing angle.

Therefore, since the user cannot adjust the opening / closing angle to his / her own preference, there is a problem in that the sound varies among users due to individual differences in the distance between the ear and the mouth of the person and the angle. Further, since the stopper portion is fixed, there is a problem that the rotating mechanism is damaged when an excessive force is applied during opening and closing.

[0005]

Therefore, in the folding structure of the folding telephone according to the present invention, a cylindrical opening / closing adjusting member having a notch portion is formed by forming a ridge in the axial direction on the inner surface of one cylindrical portion. Is formed, and is inserted into the one cylindrical portion,
One end of the opening / closing adjustment member is brought into contact with the end surface of the cylindrical portion, and the other end is tightened with a screw to fix the cutout portion of the opening / closing adjustment member at an arbitrary angle.

Further, it is preferable that the ridge is formed at the tip of a tongue piece formed on the inner wall of the cylindrical portion, and a gap is provided between the tongue piece and the inner wall of the cylindrical portion. Further, it is preferable that an elastic member that applies an urging force in the opening direction of the two members is arranged in the cylindrical portions of the respective members and connected. In this case, it is preferable to form a hooking tool that keeps the two members in a closed state so as to bridge the members.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. First Embodiment FIG. 1 is an exploded perspective view of a telephone structure, FIG. 2 is an explanatory view of essential parts, FIG. 3 is a sectional view of essential parts, and FIG. 4 is a sectional view of essential parts. Note that FIG.
4 is a cross section taken along the line AA in FIG.

In the figure, reference numeral 1 denotes a cover portion, which is made of resin or the like, and has a microphone incorporated therein or acts as a sound collecting device by itself. In addition, the cover portion 1 is provided with a cylindrical portion 3 having a through hole 2. As shown in FIGS. 2 to 4, an elastic tongue piece 4 is formed on the cylindrical portion 2. A projection 4a is formed at the tip of the tongue piece 4 toward the center of the through hole 2, and the tongue piece 4 has a substantially L-shaped cross section.

Reference numeral 5 denotes a main body of a mobile phone or the like, which incorporates various electronic parts. Further, this main body 5 is also provided with a cylindrical portion 6 having substantially the same diameter as that of the cylindrical portion 3, and a fitting hole 7 is attached to the cylindrical portion 6 as shown in FIG. It is formed on the side. Reference numeral 8 denotes an opening / closing adjustment member, which is formed of resin or the like, has a diameter shorter than the diameter of the through hole 2 and is formed in a cylindrical shape longer than the through hole 2, and also in the length direction. A through hole 9 penetrating therethrough and a notch 10 having a width substantially equal to that of the protrusion 4a are formed in the length direction.

Reference numeral 11 denotes a screw, which is made of metal or the like, and has a diameter longer than the opening / closing adjustment member 8 and shorter than the through hole 9. Next, the assembly method will be briefly described. First, as shown in FIG.
2, the cover portion 1 is aligned, the opening / closing adjustment member 8 is inserted into the through hole 2, the screw 11 is inserted into the opening / closing adjustment member 8, and the screw 11 is inserted into the fitting hole as shown in FIG. 7
Then, the opening / closing adjustment member 8 is tightened and fixed. At this time, as shown in FIG. 3, with the protrusion 4a of the tongue piece 4 fitted in the notch 10 of the opening / closing adjustment member 8, the user tightens and fixes the opening / closing angle at his / her own preference. Note that FIG. 3 shows a case where the set opening / closing angle is 180 °. Further, as shown in FIG. 1, in the closed state, it is preferable that the protruding portion 1a of the cover portion 1 is inserted into the stop hole 5a of the main body 5 so as to maintain the closed state. It is better to make a dent.

Finally, the opening / closing operation will be briefly described. First, when closing from the open state shown in FIG.
When the user bends the cover part 1 with respect to the main body 5,
As shown in FIG. 4, the protrusion 4 a of the tongue piece 4 has the cutout portion 1.
When the protrusion 4a deviates from 0, the protrusion 4a is deformed along the outer periphery of the opening / closing adjustment member 8 and moves while sliding on the outer periphery. And
The tongue piece 8 is in a deformed and closed state. Further, when changing from the closed state to the open state, the operation opposite to the above-described operation, that is, the protrusion 4a is deformed along the outer circumference of the opening / closing adjustment member 8 and moves while sliding on the outer circumference, Tongue 4
The projecting portion 4a is fitted into the cutout portion 10 and is in an open state.

At this time, when an excessive force is applied in the opening direction after the projection 4a of the tongue piece 4 is fitted into the notch 10 and is in the open state, the projection of the tongue piece 4 is formed. 4a pushes the notch portion 10 and rotates the opening / closing adjustment member 8 to open the opening / closing member more than the set opening / closing angle so as to prevent damage to each member. Further, in this case, the projection 4a may come off the notch 10 before the rotation of the opening / closing adjustment member 8, but even at this time, since the opening is larger than the set opening / closing angle, damage to each member is prevented. be able to.

In order to prevent damage, it is necessary to have a structure that can be opened wider than the set opening / closing angle. For example, in the case of 180 °, it is preferable to open it by about 190 °. When the maximum opening / closing angle is 180 °, it is preferable to use the opening / closing angle smaller than 180 °. According to the above-described first embodiment, the user can fix the position at any position according to his or her preference, so that there is an effect that good voice sensitivity can be obtained by eliminating voice variation during transmission. Further, it is possible to prevent the rotating mechanism from being damaged when an excessive force is applied during opening and closing. Further, since the opening / closing angle can be adjusted with a small number of constituent parts, the effect of being excellent in assemblability and maintainability can be expected.

Second Embodiment FIG. 5 is an exploded perspective view of a telephone structure, FIG. 6 is an explanatory view of a main part, FIG. 7 is a sectional view of the main part, and FIG. 8 is a sectional view of the main part. FIG.
And FIG. 8 is a BB cross section in FIG. In the figure, reference numeral 12 is a cover portion, which is molded of resin or the like, and is either equipped with a microphone or acts as a sound collecting device by itself. Further, the cover portion 12 is provided with a cylindrical portion 14 having a through hole 13. As shown in FIGS. 2 to 4, elastic tongue pieces 15 are formed on the cylindrical portion 2. Further, as will be described later, it has a groove for fixing the coil spring.

Reference numeral 16 denotes a main body of a mobile phone or the like, which incorporates various electronic parts. Further, the main body 16 is also provided with a cylindrical portion 17 having substantially the same diameter as that of the cylindrical portion 14, and a fitting hole 18 is attached to the cylindrical portion 17 as shown in FIG. It is formed on the side. This fitting hole 18
Has a groove 18a for fixing the coil spring. A groove (not shown) corresponding to the groove 18a is provided in the through hole 13 of the cover portion 12.

Reference numeral 19 is a coil spring, which is formed so that both ends thereof project. The both ends of the protrusion are inserted into the groove 18a or the like. Reference numeral 20 denotes an opening / closing adjustment member, which is formed of resin or the like, has a diameter shorter than the diameter of the through hole 13 and is formed in a cylindrical shape longer than the through hole 13, and in the length direction. A through hole 21 and a cutout portion 22 penetrating therethrough are formed in the longitudinal direction. The notch 22 is notched so as to have a width larger than that of the first embodiment. Here, the cross-sectional shape is substantially semicircular.

Reference numeral 23 denotes a screw, which is made of metal or the like and has a diameter longer than the opening / closing adjustment member 20 and shorter than the through hole 21. Next, the assembly method will be briefly described. First, as shown in FIG. 5, the coil spring 19 is inserted between the main body 16 and the cover portion 12, and the projecting ends of the coil spring are fitted into the grooves 18a, etc. The parts 12 are aligned, the opening / closing adjustment member 20 is inserted into the through hole 13, the screw 23 is inserted into the opening / closing adjustment member 20, and the screw 23 is fitted into the fitting hole 18 as shown in FIG. Then, the opening / closing adjustment member 20 is tightened and fixed. At this time, as shown in FIG. 7, with the cover 12 closed to the main body 16, the opening / closing adjustment member 20 is set to the lower side in the drawing, and
The tongue piece 15 is brought into contact with a cross section of the cutout portion 22 of the opening / closing adjustment member 20, and is fixed by tightening. When the user sets the opening / closing angle to his / her own preference, the notch 22 is brought into contact with the cross section on the side opposite to the one cross section which is brought into contact with the user as described above, and the desired angle is determined and tightening is performed. Fix it. Further, the coil spring 19 is given a biasing force so that a force acts from the main body 16 in the direction in which the cover portion 12 opens. Therefore, in order to resist this biasing force, as shown in FIG.
As shown in FIG. 3, it is preferable that the protruding portion 12a of the cover portion 12 is inserted into the stop hole 16a of the main body 16 in the closed state to maintain the closed state. Further, it is preferable that the protruding portion 12a be configured to be depressed.

Finally, the opening / closing operation will be briefly described. First, in the case of opening from the closed state shown in FIG. 7, when the user opens the cover portion 12 with respect to the main body 16,
As shown in, by the urging force of the coil spring 19,
The cover 12 opens, the tongue 15 hits the opening / closing adjustment member 20, the opening operation is completed, and the cover 12 is opened. Further, when changing from the open state to the closed state, the operation is the opposite of the above operation, that is, the user closes the cover portion 12 against the biasing force of the coil spring 19.

On the other hand, when an excessive force is applied in the opening direction after the tongue piece 15 is opened, the tongue piece 15 is cut out.
2 is pressed to rotate the opening / closing adjustment member 20 to open the opening / closing angle larger than the set opening / closing angle to prevent damage to each member. In order to prevent damage, it is necessary to have a structure that can be opened wider than the set opening / closing angle. In the figure, the set opening / closing angle is about 160 °,
It can be opened up to 180 °. Therefore, if excessive force is applied, between 160 ° and 180 °
Since the opening / closing adjustment member 20 can be rotated to absorb the force, damage can be prevented.

According to the second embodiment, since the user can fix the user at any position according to his or her preference, it is possible to obtain the effect of eliminating the variation in voice during transmission and obtaining good call sensitivity. Further, it is possible to prevent the rotating mechanism from being damaged when an excessive force is applied during opening and closing. Further, since the opening / closing angle can be adjusted with a small number of constituent parts, the effect of being excellent in assemblability and maintainability can be expected. In addition, the action of the coil spring can eliminate the rattling of the main body and the cover in the lateral direction, and moreover, the user can open the cover part with one hand, which improves the convenience when the user uses it. You can expect an effect.

In the case of the first embodiment, a coil spring may be used.
Further, in each of the above-described embodiments, the cover portion, that is, the so-called flipper has been described, but the present invention is not limited to this.
The transmitter and the receiver may be mounted on different members, and the members mounted on them may be rotatably supported by shafts.

Further, in each of the above-described embodiments, the case where the end face with which the opening / closing adjusting member is abutted is formed in the cylindrical portion having the through hole, but the present invention is not limited to this, and for example, the cylindrical portion having the through hole is formed. A step may be provided on the inner wall to allow the opening / closing adjustment member to abut, or the opening / closing adjustment member may be fixed by tightening with a bolt and a nut instead of a screw.

[0023]

As described above, according to the rotating structure of the folding type telephone of the present invention, the user can fix it at any position according to his or her preference, so that the variation in voice during the transmission can be eliminated, which is excellent. The effect that the call sensitivity is obtained can be obtained. Further, it is possible to prevent the rotating mechanism from being damaged when an excessive force is applied during opening and closing. Further, since the opening / closing angle can be adjusted with a small number of constituent parts, the effect of being excellent in assemblability and maintainability can be expected.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment.

FIG. 2 is an explanatory view of a main part of the first embodiment.

FIG. 3 is a cross-sectional view of a main part of the first embodiment.

FIG. 4 is a cross-sectional view of an essential part of the first embodiment.

FIG. 5 is an exploded perspective view of the second embodiment.

FIG. 6 is an explanatory view of main parts of the second embodiment.

FIG. 7 is a cross-sectional view of a main part of the second embodiment.

FIG. 8 is a cross-sectional view of an essential part of the second embodiment.

[Explanation of symbols]

 1 Cover Part 2 Through Hole 3 Cylindrical Part 5 Main Body 6 Cylindrical Part 8 Opening / Closing Adjustment Member 11 Screw

Claims (4)

[Claims] 1. In a rotating structure of a foldable telephone in which a shaft is rotatably supported by a cylindrical part formed on two members, a ridge is formed on an inner surface of one cylindrical part in an axial direction. Then, a cylindrical opening / closing adjustment member having a notch is formed,
This is inserted into the one cylindrical portion, one end of the opening / closing adjustment member is brought into contact with the end face of the cylindrical portion, and the other end is tightened with a screw to fix the cutout portion of the opening / closing adjustment member at an arbitrary angle. A turning structure for a foldable telephone characterized in that 2. The foldable structure according to claim 1, wherein the protrusion is formed at a tip of a tongue formed on the inner wall of the cylindrical portion, and a gap is provided between the tongue and the inner wall of the cylindrical portion. Rotating structure of the phone. 3. The rotating structure for a foldable telephone according to claim 1, wherein an elastic member that applies a biasing force to the two members in the opening direction is arranged and connected to the cylindrical portions of the members. 4. The rotating structure for a foldable telephone according to claim 3, wherein a hooking device for keeping the two members in a closed state is formed by being stretched over the members.