JPH09219220A - Dust-proof structure of desk-top charger for portable telephone - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably attach a portable telephone without causing the malfunction of a contact in the portable telephone by providing a telephone fixing dust-proof protrusion and a cushion material for a charger housing to mount/demount the portable telephone. SOLUTION: A dust-proof valve 5 with a dust-proof protrusion 8 provided at the upper part of the opening of a charger housing 3 is placed on a spring rotational portion 6-1 and a cushion material 7 is provided at the lower part of the wall of the opening. When a portable telephone body 1 in which a battery 2 is built is mounted on the charger housing 3, the dust-proof valve 5 is rotated around the spring rotational portion 6-1 toward an arrowmark. The portable telephone body 1 is put in contact with a spring charger feed terminal 4, so that the spring force (f) of the spring rotational portion 6-1 is operated from the end of the dust-proof protrusion 8 to the horizontal direction, the portable telephone body 1 is slided to the horizontal direction and stopped after compressing the cushion material 7 and then a holding groove 9 is fitted to a protrusion 10. In this way, the contact reliability between the terminal of the battery 2 and the feed terminal 4 and the vibration-proof ability are improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dustproof valve structure for a desktop charger for mobile phones.

[0002]

2. Description of the Related Art FIGS. 6A and 6B are structural views when a conventional mobile phone is mounted on a desk charger, FIG. 6A shows a state before mounting, and FIG. 6B shows a state after mounting. As shown in the figure, the battery 2 built in the mobile phone body 1 is inserted into the charger housing 3 from above. Further, the structure is such that the spring type charger power supply terminal 4 provided in the charger housing 3 and the terminal portion (not shown) of the battery 2 are in contact with each other.

[0003]

However, in the above-mentioned structure, no dust-proof measure is taken for the spring-type charger power supply terminal 4 and the upper portion of the terminal 4 is opened, so that the mobile phone body 1 and If the state before the attachment of the battery 2 continues, dust and the like are likely to adhere to the terminals 4, and there is a high possibility that contact failure will occur.

Further, there are the following problems in structure.

As the mobile phone body 1 having the battery 2 built therein becomes smaller and lighter, it is not possible to apply a sufficient contact pressure to the terminals 4 only by the weight of the mobile phone body 1 itself.

A point contact occurs between the terminal portion of the battery 2 and the terminal 4, and the cleaning effect of the contact portions cannot be obtained, so that a contact failure is likely to occur.

[0007] With respect to the vibration in the horizontal / vertical direction, the instantaneous breakdown strength of the terminal cannot be obtained.

An object of the present invention is to provide a dustproof structure for a desk charger for a mobile phone, which solves the above problems.

[0009]

Therefore, the present invention has a structure in which a dustproof valve is installed in a desktop charger and a spring type rotary shaft is installed in a mounting portion of a main body of a mobile phone, and a lock function is provided. Two spring-type rotary shafts are provided on the dustproof valve so that the battery unit can be installed in the same groove, and the structure that has a groove on the body of the mobile phone or the battery to prevent the battery from coming off the charger As a result, the above problem is solved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a view showing the structure of a dustproof valve according to a first embodiment of the present invention, FIG. 1A is a view showing a state before a mobile phone body is mounted on a desk charger, and FIG. It is a figure which shows the state after mounting.

As shown in the figure, the charger housing 3
The dustproof valve 5 is installed on the upper part of the opening of the spring-type rotary shaft 6-1 and the dustproof valve 5 is provided with the dustproof valve projection 8 and the lower part of the wall of the opening of the charger housing 3. A cushion material 7 is installed.

The cushion material 7 and the dustproof valve projection 8 are installed so that they are at the same position on the horizontal line when the mobile phone body 1 having the battery 2 built therein is mounted on the charger housing 3. Further, the mobile phone body 1 is formed with a holding groove 9 when mounted, and the charger housing 3 is formed with a protrusion 10. Spring type rotating shaft 6-1
Is installed on the front side of the mobile phone body 1, the holding groove 9 is formed in the battery 2, and the other configurations can be all reversed.

When the mobile phone main body 1 having the battery 2 built therein is mounted on the charger housing 3, the dustproof valve 5 rotates about the spring type rotary shaft portion 6-1 in the direction of the arrow shown in the figure.

When the mobile phone body 1 comes into contact with the spring-type charger power supply terminal 4, the spring force f of the spring-type rotary shaft portion 6-1 acts in the horizontal direction from the tip of the dust-proof valve projection 8 to cause the mobile phone body 1 to move. The cushion 7 is slid in the horizontal direction and the cushion 7 is compressed and stopped.

With this, the mounting is completed, and the pressing groove 9 is fitted to the protrusion 10 of the charger housing 3 to prevent the mobile phone body 1 and the battery 2 from moving upward. Further, when removing the mobile phone body 1 and the battery 2 after mounting, the dustproof valve 5 is pulled out upward while sliding backward (toward the back of the body), and at the same time, the dustproof valve 5 is returned to its original position by the spring force f of the spring type rotating shaft 6-1. You will return to the position yourself.

As described above, according to this embodiment, the following effects can be obtained.

The dustproof valve 5 protects the power supply terminal 4 from dusting when the mobile phone body 1 and the battery 2 are not attached, thereby preventing terminal contact failure due to adhesion of dust and dirt to the power supply terminal 4.

The holding groove 9 and the protrusion 10 of the housing
Thus, the mobile phone body 1 and the battery 2 are fixed to the upper side, and contact reliability between the terminals can be obtained by applying a contact pressure to the power supply terminal 4 that is equal to or more than the weight of the mobile phone body 1 and the battery 2.

When the mobile phone body 1 and the battery 2 are attached, the terminal slides horizontally with respect to the power supply terminal 4, so that a cleaning effect of the terminal portion can be obtained.

Since the mobile phone body 1 and the battery 2 are fixed in the horizontal and vertical directions, it is possible to obtain momentary disconnection resistance between terminals against vibration.

2A and 2B show a dustproof valve structure according to a second embodiment of the present invention, wherein FIG. 2A is a state before mounting and FIG. 2B is a state after mounting. The difference from the first embodiment is that the dustproof valve 5 is composed of two spring type rotary shaft portions 6-1 and 6-2.

These two spring type rotary shaft parts 6-1 and 6-2.
Has a lock mechanism for suppressing the rotation, and when the rotation of the spring type rotation shaft part 6-1 is locked as shown in FIG. 3, the spring type rotation shaft part 6-2 rotates, (b) As described above, when the rotation of the spring type rotating shaft portion 6-2 is locked, the spring type rotating shaft portion 6-1 rotates.

Further, the spring type rotary shaft portion 6-1 of the first embodiment described above can be installed on both the front side of the mobile phone main body 1 and the front side of the battery 2, whereas in the case of the present embodiment. The spring type rotation shaft portion 6-1 is only installed on the front side of the mobile phone body 1, and the holding groove 9 is formed on the battery 2 side.

When the battery 2 is built into the main body 1 of the mobile phone as shown in (b) and is attached to the charger housing 3, the same operation as in the first embodiment described above is performed and fixed. become. At that time, the spring type rotation shaft portion 6-2 is in a locked state. FIG. 3 is a view showing a state in which the battery alone is mounted. When the battery 2 alone is mounted, the spring type rotating shaft portion 6-1 is locked, and the dustproof valve 5 is the spring type rotating shaft portion 6-2. It will rotate downward around the center. When the battery 2 comes into contact with the spring-type charger power supply terminal 4, the spring force f ′ of the spring-type rotary shaft portion 6-2 is moved horizontally from the tip of the dustproof valve protrusion 8.
, The battery 2 is slid horizontally, and the cushion material 7 is compressed and stopped.

The holding groove 9 formed on the side of the battery 2 fits with the protrusion 10 of the charger housing to prevent the battery 2 from moving upward.

As described above, according to the present embodiment, in addition to the functions of the first embodiment, the battery 2 alone can be attached to the charger housing 3, so that the mobile phone body 1 can be used separately during use. The battery 2 of can be charged separately.

FIGS. 4A and 4B are views showing the structure of a dustproof valve showing a third embodiment of the present invention, in which FIG. 4A is a state before mounting and FIG. 4B is a state after mounting. The difference from the above-described first and second embodiments is that the dustproof valve protrusion 8 has a spring type rotating shaft portion 6-.
It is formed in the dustproof valve 5 between 1 and 6-2, and the opening of the charger housing 3 is shallow.

The spring type rotary shaft portion 6-1 has a lock mechanism, and the spring type rotary shaft portion 6-2 does not have a lock mechanism.

When the battery 2 is built into the main body 1 of the mobile phone as shown in (b) and is attached to the charger housing 3, the spring type rotary shaft portion 6-2 is replaced with the spring type rotary shaft portion 6-1. It rotates in the opposite direction and stops parallel to the bottom surface of the opening of the charger housing 3.

Then, the spring force f of the spring type rotary shaft portion 6-1.
Is transmitted from the tip of the dustproof valve projection 8 to the mobile phone body 1 in the horizontal direction, the mobile phone body 1 and the battery 2 are slid, and the cushion material 7 is compressed and stopped.

FIG. 5 is a view showing a state in which the battery alone is mounted, and a battery protrusion 11 is formed on the inner wall portion (fitting portion of the mobile phone body 1) of the battery. FIG.
When the battery 2 alone is mounted as described above, the same operation as in the second embodiment is performed, but the spring force f ′ of the spring type rotating shaft portion 6-2 is the tip of the battery protrusion 11 formed in the battery 2. Transmitted horizontally from.

As described above, according to this embodiment, in addition to the functions of the first and second embodiments, the depth of the opening of the charger housing 3 is sufficient for the reasons of design and size reduction. It is useful to adopt this dustproof valve structure when it cannot be secured.

[0033]

As described above, according to the present invention, since the dustproof valve protects against dust, it is possible to prevent contact failure of the power supply terminal. Further, since the fixing when the battery is mounted is stable, it is possible to obtain effects such as improvement in contact reliability between the battery terminal and the power supply terminal and vibration resistance.

[Brief description of drawings]

FIG. 1 is a diagram of a dustproof valve structure showing a first embodiment of the present invention.

FIG. 2 is a diagram of a dustproof valve structure showing a second embodiment of the present invention.

FIG. 3 is a diagram showing a state in which a battery unit according to a second embodiment of the present invention is mounted.

FIG. 4 is a dustproof valve structure diagram showing a third embodiment of the present invention.

FIG. 5 is a diagram showing a state in which a single battery according to a third embodiment of the present invention is mounted.

FIG. 6 is a structural diagram when a conventional mobile phone is mounted on a desktop charger.

[Explanation of symbols]

 5 Dustproof Valves 6-1 and 6-2 Spring Type Rotating Shaft Part 7 Cushion Material 8 Dustproof Valve Protrusion 9 Holding Groove 10 Projection f Spring Force of Spring Type Rotating Shaft Unit 6-1 f ′ Spring Type Rotating Shaft Unit 6-2 Spring force

Claims (3)

[Claims] 1. A dustproof valve structure for attaching and detaching a mobile phone main body having a built-in battery to and from a charger housing, wherein a dustproof valve having a spring type rotating shaft and a dustproof valve protrusion, and the dustproof valve protrusion when the mobile phone main body is attached. A dustproof valve structure for a desk charger for a mobile phone, comprising a charger housing provided with a cushion material that is compressed by a spring force of the spring type rotating shaft that operates in a horizontal direction. 2. The holding groove for preventing the device from coming off from the charger housing is provided in the main body of the mobile phone or the battery, and the charger housing is provided with a protrusion that fits into the holding groove. Dustproof valve structure for the desktop charger for the mobile phone described. 3. The dustproof valve structure for a desk charger for a mobile phone according to claim 1, wherein the two dustproof valves are provided with two spring type rotary shafts having a lock function.