KR200225206Y1 - Charger for Cellular Phone - Google Patents

Abstract

The present invention relates to a charger for a mobile phone, and a charger for a mobile phone in which a cover is formed in the charger receiving groove.

According to an aspect of the present invention, there is provided a battery charger for a mobile phone including a storage groove into which a battery pack for a mobile phone is inserted and a charging terminal protruding from the bottom of the storage groove to charge the battery pack by electrical contact with a terminal of the battery pack. The cover means is formed to cover the opening of the foreign matter attached to the charging terminal.

Description

Charger for mobile phone {Charger for Cellular Phone}

The present invention relates to a charger for a mobile phone, and particularly to protect the charging terminal by preventing the entry of foreign matter into the charger fixing groove by installing a lap cover covering the charger fixing groove.

A general mobile phone is used with a battery pack installed in the terminal.

When the current of the battery pack installed in the terminal is exhausted, insert the battery pack into the receiving groove of the charger connected to the external power source and charge the battery pack by contacting the battery pack terminal with the charging terminal for a predetermined time.

Hereinafter, the structure of the conventional charger will be described.

1 is a perspective view showing a conventional charger.

In the conventional charger, the charger upper case 1 and the charger lower case 2 are screwed to each other, and the upper case is provided with a receiving groove 3 for fixing the battery.

The charging terminal 4 protrudes from the bottom of the storage groove.

The charging terminal 4 is connected to a charging circuit (not shown), and the charging circuit is connected to a power cable 5 extending outside the charger and fixed in the lower case 2.

Therefore, when the battery pack 6 is fixed to the charger and the battery terminal 7 and the charging terminal 4 on the bottom of the storage groove 3 are in contact with each other for a predetermined time, the external current supplied through the power cable 5 is connected to the charging circuit. The battery pack 6 is supplied to the battery pack 6 through the charging terminal 4 to recharge the battery pack.

However, since the charging terminal 4 of the charger is always exposed, it is not protected from dust or other contaminants, moisture, and the like.

Since the charging terminal is a part in which electrical contact with the battery pack occurs, if foreign matter remains, there is a risk that a short circuit due to foreign matter occurs, or a poor contact or malfunction between terminals occurs during electrical contact.

However, conventional chargers have not been provided with means to protect the charging terminals from foreign objects to prevent this risk.

The present invention has been made in an effort to provide a charger for a mobile phone that protects the charging terminal from dust or foreign matter so as to prevent the occurrence of poor contact and short circuit caused by foreign matter remaining on the charging terminal. Have

In the charger for a mobile phone including a charging groove for charging the battery pack and the battery pack is inserted into the battery pack for the mobile phone as a technical means of the present invention for achieving the above object, the charging terminal covering the opening in the upper portion It is characterized in that the cover means for preventing foreign matter from being attached to.

One end of the cover means is hinged to both side walls of the receiving groove, so that the cover means is rotated around the hinge, in another embodiment may be provided with two covers, in which case the other end is in contact with each other It consists of a first cover and a second cover, each hinge is inserted into the torsion spring embedded in each cover so that one end is in contact with each cover and the other end is in contact with each inner wall, the storage groove is the first and second cover is the storage groove It is characterized in that it is formed to have a depth that does not touch the bottom surface when rotating in the inner direction.

In addition, each of the surfaces of the first cover and the second cover is characterized in that the engaging jaw is formed that can be engaged with each other.

1 is a perspective view showing a conventional charger.

Figure 2a is a perspective view showing a charger according to the present invention.

FIG. 2B is a side view of the first cover of FIG. 2A; FIG.

Figure 3a is a perspective view of the charger with the cover closed.

3B is a cross-sectional view taken along the line A-A 'of FIG. 3A.

<Explanation of symbols for main parts of the drawings>

11: upper case 12: lower case 13: storage groove

14: charging terminal 15: power cable 20: bottom

21: first inner wall 22: second inner wall 23: third inner wall

24: fourth inner wall 30: through hole 31: first cover

32: 2nd cover 33: 1 hinge 34: 2nd hinge

35: torsion spring 36,37: locking jaw

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2a is a perspective view showing a coupling according to the present invention, Figure 2b is a side view of the first cover of Figure 2a. 3A is a perspective view of the charger with the lid closed, and FIG. 3B is a cross-sectional view taken along line AA ′ of FIG. 3A.

Hereinafter, the structure of the charger for a mobile phone of the present invention will be described.

In the charger for a mobile phone, the upper case 11 and the lower case 12 are screwed together.

An accommodating groove 13 is formed on the surface of the upper case 11.

The storage groove 13 is a groove formed in the upper case 11 so that the battery pack 16 or the main body of the mobile phone equipped with the battery pack can be inserted and fixed during charging.

The receiving groove 13 is composed of four inner walls 21, 22, 23, 24 and one bottom surface 20. The four inner walls face the first inner wall facing both sides of the phone when the cellular phone is inserted. 21 and the second inner wall 22, the third inner wall 23 facing the rear of the telephone and the fourth inner wall 24 facing the front of the telephone.

The first hinge groove 26 and the second hinge groove 27 are formed at predetermined points adjacent to the third inner wall 23 on the first inner wall 21 and the second inner wall 23, respectively. Both ends of 33 are inserted.

At this time, the first hinge 33 is inserted into the through hole 30 penetrating both sides of the first cover 31, the first cover 31 covers a portion of the upper opening of the receiving groove (13).

In addition, a third hinge groove 28 and a fourth hinge groove 29 are formed at predetermined points adjacent to the fourth inner wall 24 on the upper portion of the first inner wall 21 and the second inner wall 22, respectively. And both ends of the second hinge 34 is inserted into the fourth hinge groove.

As in the first hinge, the second hinge is inserted into the through hole 40 penetrating both sides of the second cover, and the upper opening of the receiving groove 13 is completely covered by the second cover 32.

In addition, a torsion spring 35 is embedded in the first cover 31, and when the first hinge 33 is inserted into the through hole 30, the torsion spring 35 may pass through the ring portion of the torsion spring 35 together. It is installed so that.

Therefore, the torsion spring 35 embedded in the first cover 31 is installed so that one end is in contact with the first cover and the other end is in contact with the third inner wall 23 so that the first cover 31 is connected to the first hinge 33. When rotating toward the third inner wall (23) about the central axis, the elastic force in the reverse rotation direction is applied.

Similarly, the torsion spring 35 is embedded in the second cover 32, and the embedded torsion spring 35 has one end in contact with the second cover 32 and the other end in contact with the fourth inner wall 24. Provides elastic force when rotating.

In addition, the third inner wall 23 and the fourth inner wall 24 may not meet the bottom surface 20 of the accommodation groove 13 when the first cover 31 and the second cover 32 rotate toward the inner wall, respectively. As deep as it is formed.

One side of the first cover 31 and one side of the second cover 32 is in contact with each other to close the receiving groove 13, at this time, each side meets each other the locking jaw 36 is in the shape that can be engaged with each other And 37) are formed respectively.

Therefore, when no external force is applied, the receiving groove 13 is kept closed.

The charging terminal 14 protrudes from the bottom surface 20 of the storage groove 13 like the conventional charger.

Hereinafter, the opening and closing operation of the cover in the charger for a mobile phone according to the present invention will be described.

The first first cover 31 and the second cover 32 cover the upper portion of the accommodating groove 13 to form a contact state by combining the end surfaces of each of the engaging projections 36 and 37.

When the mobile phone equipped with the battery pack 16 is inserted for charging, the first cover 31 and the second cover 32 are rotated in the direction of the inner wall of the receiving groove 13 to allow the third inner wall 23 and the fourth inner wall. Contact with (24).

The terminal 17 of the battery pack contacts the charging terminal 14 protruding onto the bottom surface of the storage groove 13, and the charging terminal 14 is connected to a charging circuit (not shown) and a power cable 15 inside the case. Since it is connected, the battery pack 16 is fully charged after a certain time.

When the charged cell phone is removed from the charger, the first cover 31 and the second cover 32 are rotated in the opposite direction again by the restoring force of the torsion spring, so that one end meets each other and the locking jaws 36 and 37 formed on each end face. By covering the upper portion of the receiving groove 13 while maintaining a contact state.

Therefore, the inside of the accommodating groove 13 of the charger is protected.

In the above description, two covers, that is, the first cover 31 and the second cover 32 are described. However, the size of one of the covers may be adjusted so that only one cover is installed.

The charger for a mobile phone of the present invention protects the inside of the charger receiving groove from foreign matter by a cover formed on the upper portion of the receiving groove.

In particular, the charging terminal protruding from the bottom of the receiving groove prevents foreign matter such as dust or metal particles from being caught or jumps out of water, thereby preventing a poor contact between the charging terminal and the battery pack terminal and occurrence of a short during charging.

In addition, the opening and closing structure of the cover is a structure using the rotation and elastic force can be opened and closed automatically when inserting and detaching the mobile phone, so that the user can perform the precise opening and closing operation without the need for a special operation for opening and closing the cover It has the effect of feeling convenience.

Claims (4)

In the charger for a mobile phone comprising a storage groove into which a battery pack for a mobile phone is inserted and a charging terminal for charging the battery pack, And a cover unit covering an upper opening of the receiving groove to prevent foreign matter from being attached to the charging terminal. The method according to claim 1, The cover means is a charger for a mobile phone, characterized in that one end is fixed to each of the side walls of the receiving groove to be hinged so as to rotate around the hinge. The method according to claim 1, The cover means comprises a first cover and a second cover, one end of which is hinged to both sidewalls of the receiving groove and the other end of which is in contact with each other, Each hinge has a torsion spring embedded in each cover so that one end is in contact with each cover and the other end is in contact with each inner wall. The accommodating groove is a charger for a mobile phone, characterized in that the first and the second cover is formed to have a depth that does not touch the bottom surface when rotating in the inner direction of the accommodating groove. The method according to claim 3, Chargers for mobile phones, characterized in that the engaging jaw that can be engaged with each other is formed on each face of the first cover and the second cover.