JP2012152026A - Charger and cleaning method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a charger for portable terminals having a self-cleaning function with the reduced number of components and simple structure.SOLUTION: A charger 1 includes: a charge terminal 5 made of a leaf spring; and a coupling piece 5 disposed between an attachment piece 5a and a first movable piece 5c, having a narrower width comparing to the other parts, which is easy to bend. At the tip of the first movable piece 5c, a second movable piece 5d is bent thereon so as to form a V-shape with the first movable piece 5c. A stopper part 7 is disposed at the lower part of the tip of the first movable piece 5c. As a result, when the lower part of a mobile terminal 11 is inserted in a concave part 3 of the charger 1, a contact piece 5e of the charge terminal 5 moves to the right and then to the left with regard to the undersurface of a connection terminal 15 of the mobile terminal 11, to perform self-cleaning. In this case, since the special structure of the charge terminal 5 employs a leaf spring, the number of components can be reduced and the structure can be simplified.

Description

  The present invention relates to a charging device and a cleaning method for charging an electronic device such as a portable terminal.

  Some electronic devices such as portable terminals are operated by a rechargeable secondary battery, and are charged from a household outlet or the like via a dedicated charging device as necessary. In this type of conventional charging device, a headed cylindrical charging terminal pin disposed in a through-hole formed at the bottom of a recess for mounting an electronic device formed at the top of the device main body, Some include a coil spring disposed in and below the charging terminal pin (see, for example, Patent Document 1). In this case, the head of the charging terminal pin protrudes over the through hole.

  When the lower part of the electronic device is inserted into the recess of the apparatus main body, the charging terminal pin is pressed against the force of the coil spring by the head of the charging terminal pin being pushed down by the connection terminal provided at the lower part of the electronic device. The head of the charging terminal pin that is lowered against the lower surface and then applied with the lifting force by the return force of the coil spring is pressed against the lower surface of the connection terminal of the electronic device, so that the charging terminal pin is connected to the connection terminal of the electronic device. Are electrically connected.

  By the way, in the said conventional charging device, the head of a charging terminal pin can be self-cleaned and it can make it difficult to produce the poor contact resulting from the dirt of the head of a charging terminal pin, etc. For this reason, the charging terminal pin is disposed so as to be vertically movable and rotatable in the through hole of the apparatus main body, and the tip of the head of the charging terminal pin is provided at a position shifted from the rotation center axis. Then, when the lower part of the electronic device is inserted into the recess of the apparatus body, the charging terminal pin rotates while descending, so that the tip of the head of the charging terminal pin is against the lower surface of the connection terminal of the electronic device. It slides and the head of the charging terminal pin is self-cleaned.

JP-A-8-17503

  However, the above-described conventional charging device requires at least a charging terminal pin and a coil spring, which increases the number of components, and the charging terminal pin must be arranged in a vertically movable and rotatable manner in the through hole of the device body. However, there is a problem that the structure becomes complicated.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a charging device having a self-cleaning charging terminal and a cleaning method capable of reducing the number of parts and simplifying the structure.

The charging device according to claim 1 is an apparatus main body provided with a recess having a through-hole at the bottom, a first movable piece, and a second movable piece connected to the first movable piece. And a stopper portion provided at least below a part of the first movable piece in the apparatus main body, and a device is inserted into the recess to connect the device As a result, the tip of the second movable piece is pushed down, and the tip of the second movable piece moves in one direction along the lower surface of the connection terminal, so that the first movable piece contacts the stopper. Then, the second movable piece moves in the other direction opposite to the one direction.
In the cleaning method according to the ninth aspect of the present invention, a device is inserted into the recess of the apparatus main body provided with a recess having a through-hole at the bottom, and the first movable piece is connected by a connection terminal of the device, And a second movable piece provided at the distal end of the first movable piece, and the tip of the second movable piece of the charging terminal including the second movable piece is depressed, and the connection terminal of the device causes the second movable piece to The front end is pushed down, and the front end of the second movable piece moves in one direction along the lower surface of the connection terminal to come into contact with a stopper provided below a part of the first movable piece. Then, the second movable piece moves in the other direction opposite to the one direction.

  According to the present invention, the self-returning type first movable piece and the self-returning type second piece provided at the front end portion of the first movable piece so as to be V-shaped with the first movable piece. Therefore, the number of components can be reduced and the structure can be simplified.

The perspective view of the state which mounted | wore the charging device as one Embodiment of this invention with the portable terminal. Sectional drawing of the part which follows the II-II line | wire of FIG. The perspective view of the charging terminal of a charging device. Sectional drawing of the charging device in the state which removed the portable terminal. Sectional drawing of the state which inserted the portable terminal in the charging device to some extent. Sectional drawing of the state which inserted the portable terminal further in the charging device. The figure shown in order to demonstrate operation | movement of the charge terminal of a charging device. The perspective view of the other example of the charging terminal of a charging device.

  FIG. 1 shows a perspective view of a state where a portable terminal is mounted on a charging device as one embodiment of the present invention, and FIG. 2 shows a cross-sectional view of a portion taken along line II-II in FIG. In the charging device 1, the lower portion of the portable terminal (electronic device) 11 is mounted in a recess 3 formed in the upper portion of the device body 2. A slit-like through-hole 4 is provided at two locations on the left and right sides in FIG.

  A charging terminal 5 is disposed inside the apparatus main body 2 below the through hole 4. As shown in FIG. 3, the charging terminal 5 is made of a leaf spring, and has a band-shaped attachment piece 5 a and a width wider than the attachment piece 5 a that is bent upward at the center of one end of the attachment piece 5 a. A narrow connecting piece 5b, a strip-shaped first movable piece 5c having the same width as the mounting piece 5a, provided to extend to the tip of the connecting piece 5b, and a tip of the first movable piece 5c A band-shaped second movable piece 5d having the same width as that of the mounting piece 5a and a second movable piece 5d, which is bent upwardly and in a V-shape with the first movable piece 5c. And a contact piece 5e having the same width as that of the attachment piece 5a, which is provided by being bent into a substantially arc shape at the tip end portion thereof.

  As shown in FIG. 2, the attachment piece 5 a of the charging terminal 5 is attached to a support protrusion 6 that is integrally provided on the inner bottom surface of the apparatus main body 2. Here, in a state where the lower part of the portable terminal 11 is mounted in the recess 3 of the apparatus body 2, the contact piece 5 e of the charging terminal 5 and a part of the second movable piece 5 d continuous thereto are arranged in the through hole 4. Has been. Further, the lower surface of the charging terminal 5 in the vicinity of the distal end portion of the first movable piece 5 c is in contact with a stopper portion 7 provided integrally with the inner bottom surface of the apparatus body 2.

  As shown in FIG. 1, the portable terminal 11 is one in which one end of a rectangular plate-like front surface side body 13 is rotatably attached to the upper part of a rectangular plate-like rear surface side body 12 via a hinge portion 14. It is made up of. As shown in FIG. 2, strip-shaped connection terminals 15 (one not shown) are provided in two places on the left and right sides of the lower portion of the back-side body 12. The two connection terminals 15 are provided at positions corresponding to the two through holes 4 of the charging device 1, that is, the contact pieces 5 e of the two charging terminals 5.

Next, self-cleaning of the top surface of the top of the contact piece 5e of the charging terminal 5 of the charging device 1 will be described. First, in a state where the portable terminal 11 is removed from the concave portion 3 of the charging device 1, the first movable piece 5c and the connecting piece 5b are moved together by the self-returning force of the charging terminal 5 as shown in FIG. The second movable piece 5d rotates in the counterclockwise direction around the base end 5f, and the second movable piece 5d rotates in the clockwise direction around the connecting portion 5g with the first movable piece 5c. The upper surface of the movable piece 5d in the vicinity of the connecting portion 5g with the first movable piece 5c comes into contact with the lower end portion of the right inner wall surface in FIG. In this state, the lower surface near the tip of the first movable piece 5 c is positioned above the stopper portion 7, and the contact piece 5 e and the tip of the second movable piece 5 d continuous thereto are above the through hole 4. Is located.

Self-cleaning removes dust and dirt on the connection terminal 15 of the portable terminal 11 and dust and dirt on the charging terminal 5 of the charging device 1 in a normal charging operation without requiring a special cleaning operation. It is to prevent connection failure. Specifically, by inserting the mobile terminal 11 into the recess 3 of the charging device 1 for the charging operation, the connection terminal 15 of the mobile terminal 11 reciprocates while sliding on the charging terminal 5 of the charging device 1. Thus, the contamination on the surface of the connection terminal 15 is removed.

Then, as shown in FIG. 5, the lower part of the portable terminal 11 is inserted into the recess 3 of the charging device 1, and the lower surface of the connection terminal 15 of the portable terminal 11 is simply applied to the upper surface of the top of the contact piece 5 e of the charging terminal 5. When contact is made, the top surface of the top of the contact piece 5 e comes into contact with the left side of the bottom surface of the connection terminal 15 of the mobile terminal 11.

When the lower part of the mobile terminal 11 is further inserted into the recess 3 of the charging device 1, the contact piece 5e of the charging terminal 5 is pushed down by the lower surface of the connecting terminal 15 of the mobile terminal 11 that descends, as shown in FIG. The first movable piece 5c rotates together with the connecting piece 5b in the clockwise direction around the base end 5f of the connecting piece 5b, and the lower surface near the distal end of the first movable piece 5c contacts the stopper portion 7. It becomes.

In this case, with reference to FIG. 3, the width of the connecting piece 5b is smaller than the width of the connecting portion 5g between the first movable piece 5c and the second movable piece 5d. The strength of the base end portion is smaller than the strength of the connecting portion 5g between the first movable piece 5c and the second movable piece 5d, and the base end portion 5f of the connecting piece 5b is closer to the first movable piece 5c and the second movable piece 5c. The first movable piece 5c rotates together with the connection piece 5b in the clockwise direction around the base end portion 5f of the connection piece 5b. The piece 5d hardly deforms.

As a result, as shown in FIG. 7, the first movable piece 5c located at the initial position indicated by the solid line rotates together with the connecting piece 5b in the clockwise direction around the base end portion 5f of the connecting piece 5b. The second movable piece 5d, which has been located at the initial position indicated by the solid line, reaches the position indicated by the alternate long and short dash line, and reaches the position indicated by the alternate long and short dashed line. Thus, the distal end portion of the second movable piece 5d (actually the top upper surface of the contact piece 5e) will move a distance D ₁ to the right in the horizontal direction. Thus, the top upper surface of the contact piece 5e will be slid by a distance D ₁ to the right of the lower surface of the connection terminal 15 of the mobile terminal 11 falls.

When the lower part of the portable terminal 11 is further inserted into the recess 3 of the charging device 1 from the state shown in FIG. 6, the contact piece 5e of the charging terminal 5 is lowered by the lower surface of the connecting terminal 15 of the portable terminal 11 descending as shown in FIG. Is further pushed down, the second movable piece 5d rotates counterclockwise about the connecting portion 5g with the first movable piece 5c, so that the lower portion of the portable terminal 11 contacts the bottom surface of the recess 3. It will be in contact.

In this case, since the lower surface near the tip of the first movable piece 5c is already in contact with the stopper portion 7, the second movable piece 5d is centered on the connecting portion 5g with the first movable piece 5c. Although it rotates counterclockwise, the 1st movable piece 5c does not deform | transform with the connection piece 5b. As a result, as shown in FIG. 7, the second movable piece 5d located at the position indicated by the alternate long and short dash line is counterclockwise (first direction) around the connecting portion 5g with the first movable piece 5c. The movable piece 5c is rotated in the direction opposite to the clockwise direction) to reach a position indicated by a two-dot chain line. Thus, the distal end portion of the second movable piece 5d (actually the top upper surface of the contact piece 5e) will move in the horizontal direction to the left direction by a distance D _2. Thus, the top upper surface of the contact piece 5e would slide lower surface of the connection terminal 15 of the mobile terminal 11 that descends to the left by a distance D _2.

As described above, in the charging device 1, when the lower part of the mobile terminal 11 is mounted in the recess 3, the top surface of the top of the contact piece 5 e of the charging terminal 5 pushed down by the connection terminal 15 of the mobile terminal 11 is the mobile terminal 11. by the slide to the left by a distance D ₂ of the opposite after sliding to the right by a distance D ₁ to the lower surface of the connection terminal 15, connection of the top upper surface and the portable terminal 11 contact piece 5e of charging terminals 5 The lower surface of the terminal 15 can be self-cleaned.

In addition, in this case, the top surface of the contact piece 5e reciprocates with respect to the bottom surface of the connection terminal 15 of the mobile terminal 11, so that the contact piece 5e travels between the top surface of the contact piece 5e and the bottom surface of the connection terminal 15 of the mobile terminal 11. Even if dust generated by cleaning at the time of moving is sandwiched, by returning, the top surface of the top of the contact piece 5e can be brought into contact with the clean part already cleaned on the bottom surface of the connection terminal 15 of the mobile terminal 11, Compared with the case where dust is pinched, the contact resistance is low, and charging can be performed satisfactorily.

In addition, since the charging device 1 only needs to include the charging terminal 5 made of a self-returning leaf spring, the number of parts can be reduced, and the mounting portion 6 and the stopper portion 7 are made of a resin or the like. Since it can be formed integrally with the main body 2, the structure can be simplified.

In addition, you may make it form the charging terminal 5 of the charging device 1 by stick springs, such as a piano wire, as shown in FIG. In this case, the diameter of the coil portion 5h formed between the attachment piece 5a and the first movable piece 5c is the same as that of the coil portion 5i formed between the first movable piece 5c and the second movable piece 5d. The first movable piece 5c is easier to bend than the second movable piece 5d. Note that the diameters of both the coil portions 5h and 5i may be the same, and the number of turns of the coil portion 5h may be larger than the number of turns of the coil portion 5i.

The embodiment of the present invention has been described above. However, the present invention is not limited to this, and includes the invention described in the claims and the equivalent scope thereof. Hereinafter, the invention described in the scope of claims of the present application will be appended.

(Appendix)
The invention according to claim 1 is an apparatus main body provided with a recess having a through-hole at the bottom;
A charging terminal including a first movable piece and a second movable piece coupled to the first movable piece;
A stopper provided at least under a part of the first movable piece in the apparatus main body;
With
A device is inserted into the recess, and the tip of the second movable piece is pushed down by the connection terminal of the device,
The first movable piece comes into contact with the stopper portion by the tip of the second movable piece moving in one direction on the lower surface of the connection terminal;
Next, the charging device is characterized in that the second movable piece moves in the other direction opposite to the one direction.

According to a second aspect of the invention, in the first aspect of the invention, the tip of the second movable piece moves in the one direction while sliding, and then moves in the other direction while sliding. A charging device that performs reciprocating motion.

The invention according to claim 3 is the invention according to claim 1 or 2, wherein the first movable piece and the second movable piece are provided in the through-hole and above and below the through-hole. The charging device is a return type and is provided so that the first movable piece and the second movable piece are V-shaped.

According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, the charging terminal has an attachment piece, and the attachment piece is attached in the apparatus main body. This is a characteristic charging device.

According to a fifth aspect of the present invention, in the invention of the fourth aspect, the charging terminal comprises a leaf spring, and the mounting piece and the first movable piece are between the mounting piece and the first movable piece. The charging device is characterized in that a connecting piece narrower than the movable piece is provided.

The invention according to claim 6 is the invention according to claim 4 or 5, wherein the charging terminal is formed of a bar spring, and a first coil portion is provided between the mounting piece and the first movable piece. A second coil portion is provided between the first movable piece and the second movable piece, and the diameter of the first coil portion is larger than the diameter of the second coil portion. It is the charging device characterized by having.

According to a seventh aspect of the present invention, in the invention according to any one of the fourth to sixth aspects, the charging terminal is formed of a bar spring, and the first is between the mounting piece and the first movable piece. The coil part is provided, a second coil part is provided between the first movable piece and the second movable piece, and the number of turns of the first coil part is the number of turns of the second coil part. It is a charging device characterized by having more than.

The invention according to claim 8 is the invention according to claim 6 or 7, characterized in that the charging terminal has an arc-shaped contact piece provided on a tip side of the second movable piece. It is a charging device.

According to the ninth aspect of the present invention, a device is inserted into the recess of the apparatus main body provided with a recess having a through-hole at the bottom, and the first movable piece and the first A second movable piece provided at the distal end portion of the movable piece, and depressing the distal end portion of the second movable piece of the charging terminal,
The tip of the second movable piece is pushed down by the connection terminal of the device,
The tip of the second movable piece abuts against a stopper provided below a part of the first movable piece by moving the lower surface of the connection terminal in one direction,
Next, the cleaning method is characterized in that the second movable piece moves in the other direction opposite to the one direction.

According to a tenth aspect of the present invention, in the invention according to the ninth aspect, the charging terminal further includes an attachment piece, a connecting piece provided between the attachment piece and the first movable piece, A cleaning method comprising:

According to an eleventh aspect of the present invention, in the invention according to the tenth aspect, the first movable piece rotates about the base end portion of the connecting piece, and the first movable piece is rotated in the apparatus main body. The second movable piece is in contact with a stopper provided below a part of the movable piece, and the second movable piece is pivoted about the connecting portion with the first movable piece. Is a cleaning method characterized by rotating in the opposite direction.

DESCRIPTION OF SYMBOLS 1 Charging apparatus 2 Apparatus main body 3 Concave part 4 Through-hole 5 Charging terminal 5a Attachment piece 5b Connection piece 5c 1st movable piece 5d 2nd movable piece 5e Contact piece 6 Attachment part 7 Stopper part 11 Portable terminal (apparatus)
12 Back side main body 13 Front side main body 14 Hinge part 15 Connection terminal

Claims (11)

An apparatus body provided with a recess having a through-hole at the bottom;
A charging terminal including a first movable piece and a second movable piece coupled to the first movable piece;
A stopper provided at least under a part of the first movable piece in the apparatus main body;
With
A device is inserted into the recess, and the tip of the second movable piece is pushed down by the connection terminal of the device,
The first movable piece comes into contact with the stopper portion by the tip of the second movable piece moving in one direction on the lower surface of the connection terminal;
Then, the second movable piece moves in the other direction opposite to the one direction. In the first aspect of the present invention, the tip of the second movable piece performs a reciprocating motion that moves in the one direction while sliding and then moves in the other direction while sliding. Charging device. The invention according to claim 1 or 2, wherein the first movable piece and the second movable piece are provided in the through-hole and above and below the through-hole, are self-reset, and the first A charging device, wherein the movable piece and the second movable piece are provided in a V shape.   4. The charging device according to claim 1, wherein the charging terminal has an attachment piece, and the attachment piece is attached in the apparatus main body. 5.   5. The connecting piece according to claim 4, wherein the charging terminal is made of a leaf spring, and the connecting piece is narrower than the attaching piece and the first movable piece between the attaching piece and the first movable piece. A charging device is provided.   The invention according to claim 4 or 5, wherein the charging terminal comprises a bar spring, a first coil portion is provided between the attachment piece and the first movable piece, and the first movable piece and A charging device, wherein a second coil portion is provided between the second movable piece and a diameter of the first coil portion is larger than a diameter of the second coil portion.   The invention according to any one of claims 4 to 6, wherein the charging terminal comprises a bar spring, a first coil portion is provided between the mounting piece and the first movable piece, A second coil part is provided between one movable piece and the second movable piece, and the number of turns of the first coil part is larger than the number of turns of the second coil part. Charging device.   8. The charging device according to claim 6, wherein the charging terminal includes an arc-shaped contact piece provided on a distal end side of the second movable piece. A device is inserted into the recess of the apparatus body provided with a recess having a through-hole at the bottom, and is provided at the first movable piece and the tip of the first movable piece by a connection terminal of the device. A second movable piece, and a tip of the second movable piece of a charging terminal including the second movable piece,
The tip of the second movable piece is pushed down by the connection terminal of the device,
The tip of the second movable piece abuts against a stopper provided below a part of the first movable piece by moving the lower surface of the connection terminal in one direction,
Then, the second movable piece moves in the other direction opposite to the one direction.   The cleaning method according to claim 9, wherein the charging terminal further includes a mounting piece and a connecting piece provided between the mounting piece and the first movable piece. . The invention according to claim 10, wherein the first movable piece rotates around a base end portion of the connecting piece and is located below a part of the first movable piece in the apparatus main body. Abutting against the stopper portion provided, and the second movable piece rotating in a direction opposite to the rotation direction of the first movable piece centering on a connecting portion with the first movable piece. A characteristic cleaning method.

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