JP2908347B2 - Mobile phone structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable telephone structure, and more particularly to a structure for opening and closing a protective cover.

[0002]

2. Description of the Related Art A portable telephone is storable due to its purpose of use.
Portability is required, and a wide variety of mobile phones are commercially available from many manufacturers. The mobile phone is used near the mouth and the receiver is used near the ear, so that the transmitter and receiver are inevitably arranged at both ends of the housing, as in a general telephone.
A display unit and an operation unit are arranged between the transmitter and the receiver.

In consideration of the operability at the time of receiving an incoming call, the receiver, the transmitter, and the display unit are exposed, and the operation unit is provided with a protective cover, so that the wearer can open and close the protective cover as necessary. ing.

[0004] The protective cover is fixed to the top and bottom or left and right of the housing by hinges and the like, and is opened and closed with the hinge as a fulcrum. .

[0005] For example, a communication circuit, a speaker, a microphone, and an operation unit having a call key, a dial key, and a function key are provided in the same housing, and a pressing unit for operating a call key and a call end key is provided. By movably attaching the protective cover equipped with to the housing, it is possible to make a call immediately without opening and closing the protective cover when receiving a call, and to prevent unnecessary erroneous operation of keys during a call and to carry Japanese Unexamined Patent Publication No. Hei. 4-2 discloses a wireless telephone having excellent easiness, storage, dustproofness and waterproofness.
3547.

[0006]

The conventional wireless telephone is
A protective cover that covers the operation unit with a call key, dial key, and function key is movably attached to the housing, and the call key and the call end key are operated while the protective cover is closed. Gender, erroneous operation of the operation unit at the time of response and at the end of the call can be avoided,
When making a call, the dial keys cannot be operated unless the protective cover is opened.

[0007] Therefore, when dialing, the protective cover protrudes from the housing, making it difficult to hold the mobile phone, and is not operable.

In addition, since the protective cover covers only the operation unit, it cannot be said that the transmitter and the receiver have good dustproofness. Further, since the protective cover covers only the operation unit, there is a risk that the transmitter, the receiver, and the display unit may be damaged when the mobile phone is dropped on a road or the like.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a portable telephone structure which has good operability at the time of making and receiving calls, is excellent in portability, storage, dustproofness, and can be prevented from being damaged by dropping or the like.

[0010]

According to the portable telephone structure of the present invention, an operation surface provided in an opening portion obtained by cutting off a part of the outer periphery of a first cylinder over the entire surface in the longitudinal direction; A housing provided with a recess having a central portion penetrating above and below the central portion, and an antenna guide plate having an insertion hole into which one end of the antenna can be inserted; a second cylinder having substantially the same diameter as the first cylinder A protective cover formed by cutting off from the center thereof at an angle sufficient to cover the operation surface, and providing a convex portion having a central portion penetrating the concave portion above and below the center to fit the concave portion; The protection cover covers the operation surface so as to be freely openable and closable along the outer periphery of the housing around the fitting portion, and the through hole at the center of the fitting portion and the The antenna is stretchably inserted into an insertion hole of an antenna guide plate.

An operation surface provided at an opening obtained by cutting off a part of an outer periphery of the first cylinder over the entire surface in the longitudinal direction; a concave portion having a central portion penetrating above and below a central portion of the first cylinder; A housing provided with an antenna guide plate provided with an insertion hole into which one end of an antenna having a step portion in the middle in the longitudinal direction can be inserted; and a second cylinder having substantially the same diameter as the first cylinder is provided at the center thereof. A protective cover formed by cutting off at an angle sufficient to cover the operation surface from above, and providing a convex portion having a central portion penetrating the concave portion and having an inclined portion at the tip above and below the center; A spring for extrapolating; and a spacer for abutting on the inclined portion and the step portion and pressing the spring; and fitting the concave portion and the convex portion to each other to form a central portion of the fitting portion. Insert the antenna into the through hole, via the spacer Extrapolating the serial springs, inserting one end of the antenna insertion hole of the antenna guide plate,
When the inclined portion of the projection rotates to a predetermined position with the opening operation of the protection cover, the pressing of the spring by the spacer is released, and the other end of the antenna is projected from the housing by a predetermined amount. It is characterized by.

Further, the protective cover is provided with a handle used for opening and closing.

[0013]

Embodiments of the present invention will now be described with reference to the drawings.

FIGS. 1A and 1B schematically show the appearance of a portable telephone according to the present invention. FIG. 1A shows a state in which a protective cover of the portable telephone is closed, FIG. 1B shows a state in which the protective cover is opened,
(C) is a perspective view of the protective cover. FIG. 2 is a cross-sectional view illustrating an example of the mounting structure of the protective cover and the antenna according to the first embodiment. FIG. 3 is a cross-sectional view illustrating an example of the mounting structure of the protective cover and the antenna according to the second embodiment.

The housing 11 of the portable telephone according to the present invention is shown in FIG.
As shown in (B), a part of the outer periphery of the cylinder is entirely cut off in the longitudinal direction to form an operation surface 11-1, and a transmitter 12, a receiver 13, a display unit 14, Each of the operation keys 15 is disposed, and a concave portion (not shown) having a central portion penetrated therethrough for fitting a protective cover is provided at a vertical position above and below the central portion of the cylinder.

As shown in FIG. 1C, the protective cover 22 has substantially the same diameter as the housing 11 and has a fan cut from its center at an angle sufficient to cover the entire operation surface 11-1 of the housing 11. A projection 23 having a through hole 24 is provided at the center of the fan 11 at a central portion (at a required position) of the fan shape so as to be fitted with a recess of the housing 11.

The protective cover 22 is mounted by fitting the projection 23 into the recess of the housing 11, and the projection 23 and the housing 1 are fitted together.
It rotates with the fitting portion with the first recess as a fulcrum. In addition, the antenna 16 is attached to the protrusion 23 of the protection cover 22 and the recess of the housing 11 so as to extend and contract through the through hole 24 of the protrusion 23 of the fitting portion.

That is, when the housing 11 and the protective cover 22 are fitted, the concave portion 25-1 is provided with the convex portion 23-1 and the concave portion 25-
2 and the convex portions 23-2 are fitted and fitted respectively. When the protection cover 22 is opened and closed, the projections 23-1 and 23-2 pivot about the fulcrum. The antenna 16-1 is inserted through the through hole 24-1 of the projection 23-1, and is held through the insertion hole 28-1 of the antenna guide plate 28 provided inside the housing.

When the antenna 16-1 is pulled out, the tip of the antenna 16-1 is picked up and pulled in the direction of the arrow, and stopped by the stopper 19. The antenna guide plate 28 is provided with an elastic member 29 such as rubber for preventing expansion and contraction of the antenna 16-1 due to its own weight.
When -1 is pulled out to the position of the stopper 19, the friction between the knurl 19 and the elastic member 29 prevents expansion and contraction due to its own weight.

With this configuration, when the portable telephone is carried or not used, the portable telephone shown in FIG.
As shown in FIG. 7, the transmitter, receiver, display unit, and operation key unit of the operation surface 11-1 are completely covered by the protection cover 22, and the antenna 16-1 is also housed inside the housing 11.

At the time of outgoing / incoming call, the protective cover 2 is
2A is pulled in the direction of the arrow shown in FIG. 1A, the protective cover 22 moves along the outer periphery of the housing 11, and
As shown in (B), the transmitter 12, the receiver 13, the display unit 14, and the operation key unit 15 are exposed. And antenna 16
-1 and pull it out. Note that the handle 21 is
The protective cover 22 stops when it comes into contact with the end of the protective cover 22.

Next, a second embodiment will be described with reference to FIG. In FIG. 3, a concave portion 25-1 of the housing 11 is shown.
And the projection 23-3 of the protection cover 22, the recess 25-2 and the projection 23-2 are fitted to each other, and the antenna 16-2 penetrating through the through hole 24 of the projection 23-3 of the protection cover 22 is ,
A spring 27 is inserted between the antenna guide plate 28 and the projection 23-3 in which the tip of the protective cover 22 is inserted into the insertion hole 28-1 of the antenna guide plate 28. At the position of step 20 with spacer 2
6 is pressed.

When the protective cover 22 is opened at the time of outgoing / incoming call, the convex portions 23-3 and 23-2 start rotating with the opening operation. At this time, the spacer 26 is
7 moves along the inclination of the projection 23-3 due to the elasticity of the projection 7, and when the projection 23-3 rotates to a predetermined position (when the opening operation of the protective cover is completed), the spring 27 is pressed by the spacer 26. Is released, and the antenna 16-2 protrudes. That is, the antenna 16-2 protrudes by the elasticity of the spring 27 by an amount corresponding to the inclination of the projection 23-3.

The method of projecting the antenna in conjunction with the opening operation of the protective cover is not limited to the above-described method using a spring. Alternatively, when the convex portion 23-3 of the protective cover 22 is rotated to a predetermined position, a switch is provided. Or the like may be closed and the power supply of the small motor may be turned on to protrude the antenna.

[0025]

As described above, in the first embodiment of the present invention, the operation surface provided at the opening portion obtained by cutting off a part of the outer periphery of the cylinder over the entire longitudinal direction, and the center portion of the cylinder Up and down, a housing having a recess penetrating the center and an antenna guide plate having an insertion hole into which one end of the antenna can be inserted, and a cylinder having substantially the same diameter as the cylinder of the housing covers the operation surface from the center thereof And a protective cover having a convex part penetrating through a central part that fits with the concave part of the housing above and below the center of the cylinder, and the concave part of the housing and the convex part of the protective cover are fitted. The protective cover covers the operation surface so that it can be opened and closed along the outer periphery of the housing around the fitting portion, inserts the antenna into the through hole at the center of the convex portion of the protective cover, and holds the antenna with the antenna guide plate.
In addition, the elastic member provided on the antenna guide plate prevents the antenna from expanding and contracting due to its own weight, so that the antenna can be expanded and contracted, so that the entire operation surface of the mobile phone can be covered by the protective cover.

Further, since the protective cover moves along the outer periphery of the housing, the protective cover does not "protrude" from the housing during a call, so that the operability of various keys is improved and erroneous operations are reduced.

Further, since the entire operation surface can be covered, it is possible to prevent the damage due to the drop.

Further, since the entire operation surface can be covered, the dustproofness of the transmitter and the receiver is improved.

In the second embodiment of the present invention, an operation surface provided at an opening portion obtained by cutting off a part of the outer periphery of the cylinder over the entire surface in the longitudinal direction, and a central portion penetrating above and below the central portion of the cylinder. A housing having a concave portion, an antenna guide plate having an insertion hole into which one end of an antenna having a step portion in the middle in the longitudinal direction can be inserted, and a cylinder having substantially the same diameter as the cylinder of the housing are arranged on the operation surface from the center thereof. A protective cover having a central part that fits into the concave part of the housing penetrates and has a convex part having an inclined part at the tip above and below the center of the cylinder, and a spring that is externally inserted into the antenna. And a spacer for contacting the inclined portion of the convex portion and the step portion of the antenna and pressing the spring. The concave portion of the housing and the convex portion of the protective cover are fitted, and the central portion of the fitting portion is provided. Insert the antenna into the through hole of The antenna is extrapolated, held by the antenna guide plate, and the elastic member provided on the antenna guide plate prevents expansion and contraction due to the weight of the antenna, and the inclined portion of the convex portion rotates to a predetermined position with the opening operation of the protective cover. Then, since the spring is pressed by the spacer and the antenna is projected from the housing by a predetermined amount, the mobile phone has a structure in which the antenna can be easily pulled out in addition to the effect of the first embodiment. is there.

[Brief description of the drawings]

1A and 1B are diagrams schematically illustrating the appearance of a mobile phone according to the present invention, wherein FIG. 1A shows a state in which a protective cover of the mobile phone is closed, FIG. 1B shows a state in which the protective cover is opened, and FIG. FIG. 4 is a perspective view of a protective cover.

FIG. 2 is a cross-sectional view illustrating an example of a mounting structure of a protective cover and an antenna according to the first embodiment.

FIG. 3 is a cross-sectional view illustrating an example of a mounting structure of a protective cover and an antenna according to a second embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 mobile phone 11 housing 11-1 operation surface 12 transmitter 13 receiver 14 display unit 15 operation key unit 16, 16-1, 16-2 antenna 17 step unit 18 nal 19 stopper 21 handle 22 protective cover 23, 23- 1, 23-2, 23-3 Convex portion 24, 24-1, 24-2 Through hole 25-1, 25-2 Concave portion 26 Spacer 27 Spring 28 Antenna guide plate 28-1 Insertion hole 29 Elastic member

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H04M 1/02-1/23 H04Q 7/32

Claims (3)

(57) [Claims] An operation surface provided in an opening obtained by cutting off a part of an outer periphery of a first cylinder over the entire surface in a longitudinal direction; a concave portion having a central portion penetrating above and below a central portion of the first cylinder; A housing provided with an antenna guide plate provided with an insertion hole into which one end of an antenna can be inserted; and a second cylinder having substantially the same diameter as the first cylinder, which is sufficient to cover the operation surface from the center thereof. A protective cover formed by cutting off at an angle and providing a convex portion having a central portion penetrating the concave portion above and below the center, the protective portion being fitted to the concave portion, and the concave portion and the convex portion being fitted to each other. The protection cover is openable and closable along the outer periphery of the housing to cover the operation surface, and the antenna is extended and contracted in the through hole at the center of the fitting portion and the insertion hole of the antenna guide plate. A mobile phone structure, wherein a mobile phone is inserted. 2. An operation surface provided at an opening obtained by cutting off a part of the outer periphery of a first cylinder over the entire surface in a longitudinal direction, a concave portion having a central portion penetrating above and below a central portion of the first cylinder, A housing provided with an antenna guide plate provided with an insertion hole into which one end of an antenna having a step portion in the middle in the longitudinal direction can be inserted; and a second cylinder having substantially the same diameter as the first cylinder is provided at the center thereof. A protective cover formed by cutting off at an angle sufficient to cover the operation surface from above, and providing a convex portion having a central portion penetrating the concave portion and having an inclined portion at the tip above and below the center; A spring to be extrapolated; a spacer for abutting on the inclined portion and the step portion and pressing the spring;
Fitting the concave portion and the convex portion, inserting the antenna into the through hole at the center of the fitting portion, extrapolating the spring via the spacer, and inserting the antenna guide plate. One end of the antenna is inserted into the hole, and when the inclined portion of the projection rotates to a predetermined position with the opening operation of the protective cover, the pressing of the spring by the spacer is released, and the other end of the antenna is released. Is projected from the housing by a predetermined amount. 3. The mobile phone structure according to claim 1, wherein said protective cover includes a handle used for opening and closing.