JP3193392B2 - Phone terminal holding structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE relates to a terminal holding structure of the present invention is the phone.

[0002]

2. Description of the Related Art In a conventional telephone, a telephone body and a handset are connected by a cable such as a curl cord.
Telephones had to be used in the vicinity of the phone itself, but with the development of communication technology in recent years, by making a wireless connection between the phone and the handset, it has become possible to make calls even further from the phone. Cordless telephones are becoming more widespread. Conventional cordless telephones can be installed and used on a horizontal surface such as a desk, and can also be used when mounted on a vertical surface such as a pillar or wall. A structure is employed in which a handset engaging recess (both not shown) is hooked on a projection b provided on the main body a as shown in FIG.

For this reason, it is necessary to provide a projection b protruding in the direction of the recess c for fitting the earpiece of the handset in the telephone body a. This type of synthetic resin product requires a split mold that is split vertically or horizontally. Since it is used and molded, it is difficult to integrally mold the telephone body a in which the projection b is provided in the recess c. That is, an electric current in which the protrusion b is provided in the recess c is provided.
As shown in FIG.
As described above, one mold A and the other mold B
It is necessary to form a mold for the body a and pour synthetic resin into this mold.
There is. Then, as shown in FIG.
Is moved in the X direction, and the other mold B is moved to Y direction.
In the direction, and remove the formed telephone body a.
There must be. However, as shown in FIG.
The protrusion A1 of the mold A is formed on a protrusion b formed of a synthetic resin.
Telephone made of mold A and synthetic resin for hooking
The main body b cannot be separated.

Therefore, conventionally, an opening d is formed in advance in a projection b portion of a telephone body a, and a projection b formed of a synthetic resin is inserted into the opening d, and a claw body e provided on the projection b is attached to the telephone. A method is employed in which a projection b is provided on the telephone body a by engaging with the body a.

On the other hand, a handset of a cordless telephone has a built-in battery in the handset so that the handset can be used away from the telephone body a.

For this reason, when the handset is mounted on the telephone body a, a power supply terminal f is provided on both sides of the projection b as shown in FIG. 5 so that the battery in the handset can be charged by the charger in the telephone body a. Then, when the handset is hooked on the projection b, a power receiving terminal (not shown) of the handset is connected to the power supply terminal f.

The power supply terminal f is formed by bending a metal plate as shown in FIG. 6, and is fixed to the power supply terminal mounting seat h by screws g from inside the telephone body a.

[0008]

The handset of a cordless telephone is heavier than a general telephone because a handset and a battery are housed inside.

For this reason, in a structure in which the separately formed protrusion b is inserted into the opening d of the telephone body a and locked by the claw body e, a large load is applied to the claw body e each time the handset is hooked. e was broken early, and the handset could not be hooked on the telephone body a.

Further, since the power supply terminal f is fixed by screws g one by one, the number of parts is increased, and the assembling requires a lot of man-hours and the assembly workability is poor. Was.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and an object of the present invention is to provide a terminal holding structure of a cordless telephone which is not damaged even when a large force acts on a projection and has good assembling workability. It is the purpose.

[0012]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a concave portion for fitting a receiving section and a transmitting section of a handset is provided in a telephone body, and a concave portion for fitting the receiving section is provided. A projection for hooking the handset on a part, and a bag in the handset on both sides of the projection.
In a telephone provided with a power supply terminal for charging a battery, an opening is provided behind the projection to enable the projection and the telephone body to be integrally formed, and the opening is formed from the inside.
The power supply terminal is fixed to the telephone body by the block that closes.
It is characterized in that the constant was.

[0013]

With the above structure, the telephone body and the projection can be integrally formed, so that the strength of this part is increased, so that it does not fall off or break even when a heavy handset is hooked, and a block for closing the opening. Since the power supply terminal can be fixed by utilizing the structure, the assembly can be facilitated and the number of parts can be reduced.

[0014]

1 to 4 show an embodiment of the present invention.
Details will be described with reference to the drawings shown in FIGS . FIG. 1 is a perspective view showing a telephone body of a cordless telephone, and FIG.
Sectional view of the telephone main body before the handset mounted, FIG 3 is a sectional view of a telephone main body of the state of mounting the handset, and Figure 4 is an exploded perspective view showing a terminal holding structure according to one embodiment of the present invention, FIG. 7 The terminal holding structure is partially enlarged
FIG. 8 is a front view, and FIG. 8 is a diagram of a terminal holding structure shown in FIG.
FIG. 7D is a sectional view of FIG. 7D-D ′ section for explaining a forming method .

In these figures, 1 indicates a telephone body, and 2 indicates a handset. The telephone body 1 includes an upper case 1a whose upper surface is inclined downward toward the front, and a lower case 1b for closing a lower opening of the upper case 1a.

On the upper surface of the upper case 1a, a pair of concave portions 1c and 1d into which the receiving portion 2a and the transmitting portion 2b of the handset 2 can be fitted, and a number of small holes 1j are formed between the concave portions 1c and 1d. The upper case 1 from the small hole 1j.
The sound of the speaker 8 attached to the inside of a is emitted to the outside.

A liquid crystal display 5, a function button 6, a dial button 7 and the like are provided beside the recesses 1c and 1d. On the other hand, a projection 1e projecting substantially horizontally toward the center of the concave portion 1c is formed integrally with the upper case 1a on the peripheral edge of the receiving portion mounting side concave portion 1c formed in the upper case 1a.

The projection 1e is a receiving unit 2 of the handset 2.
a for engaging the engaging recess 13 formed in
In order to form the projection 1e integrally with the upper case 1a,
On the rear side, an opening 1f slightly larger than the projection 1e is opened, and by forming this opening 1f, the projection 1e is integrated with the upper case 1a by a mold that is separated in the vertical and horizontal directions. It can be molded.
That is, as shown in FIG. 8A, one mold A and the other mold A
The mold of the telephone body 1 is formed by the mold B and
After pouring the synthetic resin, as shown in FIG.
Is moved in the X direction, and the other mold B is moved to Y direction.
The phone body 1 and the dies A and B
To separate. At this time, by providing the opening 1f,
The opening forming surface A2 of the mold A for forming the opening 1f is synthesized.
It does not interfere with the protrusion 1e formed of resin,
Further, the mold for forming the projection 1e is attached to the mold B side by the projection forming portion B.
2, the protrusion 1e and the upper part
Even if the case 1a is integrally formed, the telephone body 1
And the mold A and the mold B can be separated. The opening 1f has a block 10 for closing the opening.
A protrusion 10a projecting from one end of the upper case 1 is fitted from the inside of the upper case 1a.

As shown in FIG. 4, the block 10 has a substantially rectangular tube shape and is formed of a material having substantially the same color as the upper case 1a. And a screw hole 10d for fixing the block 10 to a boss 1g protruding from the inner surface of the upper case 1a with a screw 11 is formed in the end plate 10b in the rectangular tube portion. .

On the upper surface of the end plate 10b, a ridge 10a is provided.
When the ridge 10a is fitted into the opening 1f of the upper case 1a to close the opening 1f, the upper surface of the ridge 10a and the bottom surface of the concave portion 1c are formed to be flush with each other. Have been.

On the other hand, a pressing piece 10c for fixing the pair of power supply terminals 12 is provided at the other end of the block 10 so as to protrude in the lateral direction. The power supply terminal 12 is used to charge a battery (not shown) in the handset 2 by connecting to a pair of power receiving terminals 2c provided on the handset 2 side when the handset 2 is mounted on the telephone body 1, and is shown in FIG. Thus, it is formed in a substantially L-shape by a thin metal plate having elasticity. A small hole 12a and a square hole 12b are formed on one side of the power supply terminal 12, respectively.
a and the square hole 12b can be fitted to the small protrusion 1h and the guide rib 1i projecting from the back surface of the concave portion 1c, thereby positioning each power supply terminal 12 with respect to the upper case 1a, and in the left-right direction. Deviation can be prevented.

One end of the power supply terminal 12 is bent substantially in a V-shape to form a connection piece 12c. When the lower case 1b is attached to the upper case 1a, the connection piece 12c is The power supply terminal 12 is electrically connected to the connection terminal 14a of the printed circuit board 14 attached to the case 1b. Are integrally formed.

The contact piece 12d projects from both sides of the projection 1e through a pair of square holes 1k formed in the peripheral edge of the recess 1c. , The contact piece 12 d is pressed against the power receiving terminal 2 c of the handset 2 by the elasticity of the power supply terminal 12.

In the figure, reference numeral 16 denotes an antenna provided on the telephone body 1 side, and 17 denotes an antenna provided on the handset 2 side.

Next, a method of assembling the telephone body 1 constructed as described above will be described. In a state where the upper case 1a and the lower case 1b of the telephone body 1 are separated, a power supply terminal is provided inside the upper case 1a as shown in FIG. 12 is installed.

In mounting the power supply terminal 12, first, the small hole 12a of the power supply terminal 12 is inserted into the small protrusion 1 on the upper case 1a side.
h and positioned at the same time, and at the same time, the square hole 12b is fitted into the guide rib 1i to prevent displacement in the left-right direction. The width of the guide rib 1i is slightly larger than that of the square hole 12b.

After the pair of power supply terminals 12 are mounted inside the upper case 1a as described above, the ridges 10a protruding from one end of the block 10 are fitted into the openings 1f of the upper case 1a from the inside. The portion 1f is closed, and the power supply terminal 12 is clamped between the pressing piece 10c protruding from the other end of the block 10 and the back surface of the concave portion 1c. Then, in this state, the screw 11 inserted into the screw hole 10d of the block 10 is screwed into the boss 1g of the upper case 1a and tightened to fix the block 10 to the upper case 1a. The power supply terminal 12 is fixed to the upper case 1a by sandwiching the power supply terminal 12 between the back surfaces of the concave portions 1c.

At this time, the contact piece 12d of the power supply terminal 12 is exposed from the square hole 1k of the upper case 1a into the recess 1c. When the power supply terminal 12 is attached to the upper case 1a as described above, the lower case 1b is aligned with the bottom opening of the upper case 1a and the upper case 1a and the lower case 1
In this case, the power supply terminal 1 is connected to the connection terminal 14a of the printed circuit board 14 provided on the lower case 1b side.
The two connection pieces 12c are connected.

When the telephone body 1 assembled as described above is used by attaching it to a vertical surface as shown in FIG.
Engaging recess 13 provided in earpiece 2a of handset 2
Is hooked on the projection 1e of the telephone main body 1 so that the handset 2 can be attached to the telephone main body 1 and at this time, the power receiving terminal 2c of the handset 2 is connected to the contact piece 12d of the power supply terminal 12; The battery in the handset 2 (both not shown) can be charged by the charger of (1).

[0030]

As described in detail above, the present invention is characterized in that a projection for hooking a handset is protruded integrally with the telephone body and an opening is provided behind the projection on the telephone body. The telephone body and the projection can be easily formed.

Further, since the projection and the telephone body are integrated, even if a heavy handset with a built-in battery is frequently hooked, such a problem may occur that the projection is dropped or damaged and the handset cannot be hooked. Not with
Since the opening is closed from the inside by the block, there is no danger that the external appearance of the telephone body is impaired or that dust or foreign matter enters the telephone body and causes a failure.

Further, since the power supply terminal is fixed by using the block for closing the opening, the number of parts for fixing the power supply terminal is reduced, so that the assembling becomes easy and the cost can be reduced. become.

[Brief description of the drawings]

FIG. 1 is a perspective view of a telephone body according to an embodiment of the present invention.

FIG. 2 is a sectional view of the telephone body before the handset is mounted.

FIG. 3 is a cross-sectional view of the telephone main body in a state where a handset is mounted.

FIG. 4 is an exploded perspective view showing a terminal holding structure.

FIG. 5 is a perspective view showing a conventional telephone body.

FIG. 6 is an exploded perspective view showing a conventional terminal holding structure.

FIG. 7 is a partially enlarged front view of the terminal holding structure.

8 is a sectional view of FIG. 7D-D 'for explaining a method of forming the terminal holding structure shown in FIG. 7;

FIG. 9 is a cross-sectional view illustrating a problem of a conventional method for forming a terminal holding structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Telephone main body 1e Projection 1f Opening 2 Handset 10 Block 12 Power supply terminal

Continuation of the front page (72) Inventor Tomonobu Watanabe 94, Kojiyama-shi, Fukushima-ken, Funabashi, Hitachi Telecom Technology Co., Ltd. (56) References JP-A-4-137949 (JP, A) (58) Fields investigated .Cl. ⁷ , DB name) H04M 1/02-1/23

Claims (1)

(57) [Claims] 1. A handset having a recess for fitting a receiving section and a transmitting section in a telephone body, and a projection for hooking the handset on a part of the recess for fitting the receiving section, and the projection. On both sides of the handset
In a telephone provided with a power supply terminal for charging a battery, an opening is provided behind the projection to enable the projection and the telephone body to be integrally formed, and the opening is formed from the inside.
The power supply terminal is fixed to the telephone body by the block that closes.
Terminal holding structure of the telephone, characterized in that the constant was.