JP2020120502A - Charging cable and charging cable system - Google Patents

Abstract

To provide a charging cable for an electronic device that can prevent disconnection and damage of a connecting portion and can be easily attached and detached.SOLUTION: A charging cable W1 for an electronic device includes a coaxial cable 1, a first connection terminal 2 provided at one end of the coaxial cable 1, and a second connection terminal 3 provided at the other end of the coaxial cable 1, and the first connection terminal 2 includes a base end 10 connected to one end of the coaxial cable 1, and a first connector portion 20 detachably attached to the base end 10 by magnetic force, and the second connection terminal 3 includes a base end 10 connected to the other end of the coaxial cable 1, and a second connector portion 30 that is detachably attached to the base end 10 by magnetic force, and the first connector portion 20 has a first connector 27 connected to a connector port of the electronic device, and the second connector portion 30 has a USB connector 27.SELECTED DRAWING: Figure 1

Description

The present invention relates to a charging cable and a charging cable system, for example, a charging cable and a charging cable system used for charging an electronic device such as a smartphone and a digital camera.

Conventionally, USB cables have been used to charge electronic devices such as smartphones and digital cameras. This USB cable is provided with a Type A, Type C, or other USB connector at one end and a connector that is inserted into and connected to a connector port of an electronic device at the other end. The connector provided at the other end is a micro USB (micro USB such as Micro A, Micro B, Micro C) connector, a mini USB connector, a Lightning connector, etc., depending on the connected electronic device. ..

Then, the USB connector at one end of the USB cable is inserted into a USB port (insertion port) provided in a PC (personal computer) or the inside of a car, and the connector port (insertion port) provided in the electronic device. ), the electronic device is charged by inserting and attaching the connector at the other end of the USB cable.
A USB cable used for charging an electronic device is disclosed in Patent Document 1, for example.

JP, 2010-104155, A

However, the above-mentioned conventional USB cable has the following problems.
Specifically, a conventional USB cable is a connection part for a user when a connector (a connector such as a USB connector or a micro USB connector) is attached to or detached from an insertion port of a PC or an electronic device. There is a problem that an unnecessary force may be applied to the (connector and the insertion port), and the USB cable may be broken or the connection portion may be damaged. This requires delicate work when the connector is attached to or detached from the insertion port of a PC or an electronic device, but the user may erroneously apply extra force during the attachment/detachment work. It depends.
In addition, the USB port provided inside the automobile is often provided at a position where it is difficult to see, and the conventional USB cable has a problem that it takes time to attach the USB cable to the USB port.

The present invention has been made in view of the above problems, and an object thereof is to prevent a disconnection or damage to a connecting portion, and to attach/detach an electronic device easily, and a charging cable system for an electronic device. To provide.

The present invention made to solve the above problems includes a coaxial cable, a first connection terminal provided at one end of the coaxial cable, and a second connection terminal provided at the other end of the coaxial cable. A charging cable for an electronic device, comprising: the first connection terminal detachably attached to a first base end portion connected to one end portion of the coaxial cable and magnetically attached to the first base end portion. And a second connector terminal electrically connected to the coaxial cable, wherein the second connection terminal has a second base end connected to the other end of the coaxial cable, and the second base. A second connector portion that is detachably attached to the end portion by magnetic force and is electrically connected to the coaxial cable; and the first connector portion has a first connector that is connected to a connector port of the electronic device. And the second connector portion has a USB connector.
Further, it is preferable that the first connector is any one of a micro USB connector, a mini USB connector, and a Lightning connector, and the USB connector is any one of TypeA, TypeB, and TypeC USB connectors.

As described above, in the charging cable of the present invention, the connection terminals (first connection terminal, second connection terminal) provided at both ends of the charging cable are both separated by magnetic force so as to be detachable from each other. 1 base end portion and first connector portion", "second base end portion and second connector portion"). The first connector portion is detachably attached to the first base end portion by magnetic force and is electrically connected to the coaxial cable. Further, the second connector portion is detachably attached to the second base end portion by magnetic force so as to be electrically connected to the coaxial cable.

According to this configuration, once the connector portions (first connector portion, second connector portion) of the connection terminals (first connection terminal, second connection terminal) are inserted into the connector port (insertion port) and mounted. For example, after that, if you hold the base end (first base end, second base end) and pull with a force that opposes the magnetic force, only the connector part of the connection terminal (first connector part, second connector part) It is possible to remove the charging cable to which only the base end portion of the connection terminal is connected, while leaving the battery attached to the insertion port. At the time of removal, the connector portion (first connector portion, second connector portion) is separated from the base end portion by pulling with a force that opposes the magnetic force while holding the base end portion. No unnecessary force is applied to the inlet.
Further, with only the connector portions (first connector portion, second connector portion) of the connection terminals (first connection terminal, second connection terminal) attached to the insertion port, only the base end portion of the connection terminal is When the charging cable is connected again after the connected charging cable is removed, if the base end is brought closer to the connector part (first connector part, second connector part), it will be attracted by magnetic force. As a result, unnecessary force is not applied to the connecting portion (connector and insertion port), and the connector portion and the base end portion are easily reconnected.

As described above, in the present invention, the connection terminals (first connection terminal, second connection terminal) provided at both ends of the charging cable are each configured by two constituent portions that can be detachably separated by magnetic force. ing. Therefore, according to the present invention, once the connection terminals (the first connection terminal 2 and the second connection terminal 2) are attached to the insertion port of the PC or the electronic device, the connection portion (connector and insertion port) is unnecessary thereafter. The charging cable can be easily attached to and detached from the PC or the electronic device without applying any force. Therefore, according to the present invention, the possibility of disconnection or damage to the connecting portion is reduced.
Further, in the present invention, since the base end portion of the connection terminal and the connector portion (first connector portion, second connector portion) of the connection terminal are attracted to each other by magnetic force to be connected, for example, in the interior of an automobile. Even if it is difficult to visually check like a provided USB port, once attached, the charging cable can be easily attached and detached.

In addition, the first base end portion and the second base end portion are both insulating sleeves fixed to the end portions of the coaxial cable, and electrically connected to the coaxial cable while being held inside the insulating sleeve. A first connecting pin connected to the insulating sleeve, the end portion of the first connecting pin is exposed from the center of the tip portion of the insulating sleeve, and the exposed portion is provided on the outer peripheral portion of the tip portion of the insulating sleeve. The magnet of the first pole is provided so as to surround the outer circumference of the first connecting pin, and the tip portion of the magnet is the first attaching/detaching portion, and the first connector portion has the one end to stand the first connector. A first connector support portion that holds the second connection pin electrically connected to the first connector while being installed and supported therein, and a central portion of the other end portion of the first connector support portion. And an end portion of the second connection pin is exposed, and the other end portion of the first connector support portion is paired with the first pole so as to surround the outer periphery of the exposed second connection pin. A second pole magnet is provided, and the other end of the first connector support portion is a second detachable portion that is detachably attached to the first detachable portion by magnetic force, and the second connector portion is The USB connector is provided upright at one end to support the USB connector, and a second connector support portion that holds a third connection pin electrically connected to the USB connector is provided therein, and the second connector support portion is provided. An end of the third connection pin is exposed from the center of the other end of the second connector support part, and the other end of the second connector support part surrounds the outer periphery of the exposed third connection pin. A second pole magnet that is paired with the first pole is provided, and the other end of the second connector support portion is a third attachment/detachment portion that is detachably attached to the first attachment/detachment portion by magnetic force. Is desirable.

Further, when the second attachment/detachment portion of the first connector portion is brought close to the first attachment/detachment portion, the magnet of the second pole is attracted by the magnetic force to the magnet of the first pole and is attracted to the magnet of the first pole. The first connection pin and the second connection pin of the first connector portion are in contact with each other to be electrically connected, and when the third attachment/detachment portion of the second connector portion is brought close to the first attachment/detachment portion. , The magnet of the second pole is attracted and attracted by the magnetic force of the magnet of the first pole, and the first connection pin and the third connection pin of the second connector portion are in contact and electrically connected. It is desirable that

Further, the insulating sleeve is formed in a substantially cylindrical shape, the first connection pin is branched inside the insulating sleeve, and one end of the branch is from the center of the tip of the insulating sleeve. The exposed and branched other end is exposed from the side surface portion of the insulating sleeve, and the magnet of the first pole is provided so as to surround the outer periphery of the first connection pin exposed from the side surface portion. It is desirable that the first attaching/detaching portion is also formed on the side surface portion.
According to this configuration, once the connection terminals (first connection terminal, second connection terminal) are attached to the connector port (insertion port), thereafter, the base end portions (first base end portion, second base end) are attached. The charging cable can be attached/detached using one of the two first attachment/detachment portions provided on the insulating sleeve of the part) that is easier to attach/detach.

Further, the present invention is a charging cable system comprising the above-mentioned charging cable and an extension cable, wherein the extension cable is a coaxial cable and a third base end provided at one end of the coaxial cable. And a connection terminal for extension provided at the other end of the coaxial cable, the third base end portion has the same configuration as the first base end portion, and the extension connection terminal is It is characterized in that it is detachably attached to the first base end portion or the second base end portion of the charging cable by magnetic force.

According to the present invention, it is possible to provide a cable for charging an electronic device and a cable system for charging which can prevent disconnection and damage to a connecting portion and can easily perform attachment/detachment work.

It is the schematic diagram which showed the whole structure of the charging cable of 1st Embodiment of this invention. It is a schematic diagram for demonstrating the structure of the 1st connection terminal provided in the one end part of the charging cable of 1st Embodiment of this invention, (A) is the schematic diagram which looked at the 1st connection terminal from the connector side. And (B) is a schematic view of the first connection terminal viewed from the cable side. It is a schematic diagram for demonstrating the structure of the 2nd connection terminal provided in the other end part of the charging cable of 1st Embodiment of this invention, (A) is the schematic diagram which looked at the 2nd connection terminal from the connector side. FIG. 3B is a schematic view of the second connection terminal as seen from the cable side. It is the schematic diagram which showed the cross section by the side of the front-end|tip part which comprises the connection terminal of the charging cable of 1st Embodiment of this invention. It is the schematic diagram which looked at the front-end|tip part of the base end part which comprises the connection terminal of the charging cable of 1st Embodiment of this invention from the front. It is a schematic diagram which showed the 1st connector part which comprises the connection terminal of the charging cable of 1st Embodiment of this invention, (A) is a schematic diagram which showed the side surface of a 1st connector part, (B) [Fig. 3] is a schematic view of the attaching/detaching part provided in the first connector portion as viewed from the front, and (C) is a schematic view of the micro USB connector provided in the first connector part as seen from the front. It is a schematic diagram which showed the 2nd connector part which comprises the connection terminal of the charging cable of 1st Embodiment of this invention, (A) is a schematic diagram which showed the side surface of a 2nd connector part, (B) [Fig. 3] is a schematic view of the attaching/detaching part provided in the second connector portion as seen from the front, and (C) is a schematic view of the USB connector provided in the second connector portion as seen from the front. It is a schematic diagram for demonstrating the other example of the 1st connection terminal provided in the one end part of the charging cable of 1st Embodiment of this invention, (A) shows the 1st connection terminal of another example at the connector side. FIG. 3B is a schematic view seen from the side, and FIG. 6B is a schematic view seen from the cable side of the first connection terminal of another example. It is the schematic diagram which showed the whole structure of the charging cable of 2nd Embodiment of this invention. It is the schematic diagram which showed the whole structure of the extension cable which comprises the cable system for charging of 3rd Embodiment of this invention. It is the schematic diagram which showed the modification of the extension cable which comprises the charging cable system of 3rd Embodiment of this invention.

Hereinafter, a charging cable of an embodiment (first embodiment, second embodiment) of the present invention will be described with reference to the drawings.

<<1st Embodiment>>
First, the schematic configuration of the charging cable according to the first embodiment of the present invention will be described with reference to FIGS.
Here, FIG. 1 is a schematic diagram showing the overall configuration of the charging cable of the first embodiment. Further, FIG. 2 is a schematic diagram for explaining the configuration of the first connection terminal provided at one end of the charging cable of the first embodiment, and (A) shows the first connection terminal as viewed from the connector side. It is a schematic diagram, (B) is a schematic diagram which looked at the 1st connecting terminal from the cable side. In addition, FIG. 3 is a schematic diagram for explaining the configuration of the second connection terminal provided at the other end of the charging cable of the first embodiment, and FIG. FIG. 3B is a schematic view of the second connection terminal viewed from the cable side.

As shown in FIG. 1, the charging cable W1 of the first embodiment includes a coaxial cable 1, a connection terminal (first connection terminal) 2 provided at one end of the coaxial cable 1, and the other end of the coaxial cable. And a connection terminal (second connection terminal) 3 provided in the electronic device (not shown), such as a smartphone or a digital camera.

The connection terminal 2 is a base end portion (first base end portion) 10 that is connected and fixed to one end portion of the coaxial cable 1, and a first connector portion 20 that is detachably attached to the base end portion 10 by magnetic force. I have. The connection terminal 2 has a state in which the first connector portion 20 is attached to the base end portion 10 so as to be integrated (a state in FIG. 1) and a state in which the first connector 20 is separated from the base end portion 10 (in FIG. 2). State) and can be set.
In addition, the first connector unit 20 has a first connector 27 that is inserted and connected to a connector port (insertion port) of the electronic device. In the figure, as an example, the case where the first connector 27 is a Micro A Micro USB connector is shown. When the first connector portion 20 is attached to the base end portion 10, the first connector 27 is electrically connected to the coaxial cable 1.

Further, the connection terminal 3 is a base end portion (second base end portion) 10 that is connected and fixed to the other end portion of the coaxial cable 1, and a second end that is detachably attached to the base end portion 10 by magnetic force. It has a connector part 30 (see FIG. 3). The base end portion (second base end portion) 10 of the connection terminal 3 has the same configuration as the base end portion (first base end portion) 10 of the connection terminal 2.
The connection terminal 3 has a state in which the second connector portion 30 is attached to the base end portion 10 so as to be integrated (state of FIG. 1) and a state in which the second connector portion 30 is separated from the base end portion 10 (FIG. 3). Status) and can be set.
Further, the second connector section 30 has a second connector 37 which is a Type A USB connector. When the second connector section 20 is attached to the base end section 10, the second connector 37 is electrically connected to the coaxial cable 1.

Next, the configuration of the base end portion 10 of the charging cable W1 according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 3 and FIGS.
Here, FIG. 4 is a schematic view showing a cross section on the tip end side of the base end portion that constitutes the connection terminal of the charging cable of the first embodiment, and FIG. 5 is a charging cable of the first embodiment. FIG. 3 is a schematic view of a front end portion of a base end portion forming the connection terminal of FIG.

As shown in FIGS. 4 and 5, a base end portion (first base end portion, second base end portion) 10 includes an insulating sleeve 11 fixed to both end portions of the coaxial cable 1, and an inside of the insulating sleeve 11. And a first connecting pin 15 which is held by the electric wire and is electrically connected to the copper wire of the coaxial cable 1.
The insulating sleeve 11 is formed in a substantially cylindrical shape, the inside of which is filled with an insulating material 11c, and the first connecting pin 15 is housed/held in the center thereof. Further, in the example shown in FIG. 4, the insulating sleeve 11 has the same diameter portion 11a formed to have the same diameter dimension over a predetermined dimension from the tip portion and the rear end portion of the same diameter portion 11a that extends from the rear end portion. And a reduced diameter portion 11b whose diameter is gradually reduced from the portion toward the rear. The diameter-reduced portion 11b has a rear end portion having the same radial dimension as the protective coating portion of the coaxial cable 1 (or a slightly larger dimension). Is fitted and fixed to the outer peripheral portion of the protective coating portion of the coaxial cable 1.

Further, the tip portion (tip surface) of the insulating sleeve 11 is provided with a circular recessed portion 11c1 at the center thereof, and the tip portion of the first connection pin 15 is exposed from the center portion of the recessed portion 11c1. (Protruding). Further, an annular magnet 12 is provided on the outer peripheral portion of the tip end portion (tip end surface) of the insulating sleeve 11 so as to surround the exposed outer periphery of the first connection pin 15, and this tip end portion is provided with a connector portion ( The first attaching/detaching portion 13 is attached/detached to/from the first connector portion 20 and the second connector portion 30).
The magnet 12 has one of the first poles (for example, N pole) of the two poles (two poles of N pole and S pole).

Next, the configuration of the first connector portion 20 of the charging cable W1 according to the first embodiment will be described with reference to FIGS.
Here, FIG. 6 is a schematic diagram showing a first connector portion that constitutes a connection terminal of the charging cable of the first embodiment, and FIG. 6A is a schematic diagram showing a side surface of the first connector portion. , (B) is a schematic view of the attaching/detaching part provided in the first connector section as viewed from the front, and (C) is a schematic view of the micro USB connector provided in the first connector section as viewed from the front.

As shown in FIG. 6, the first connector section 20 includes a first connector 27 and a first connector support section 21 formed in a substantially disc shape. The first connector support portion 21 is made of an insulating material such as synthetic resin, and one end portion (one end surface) thereof stands and supports the first connector 27, and the first connector 27 is electrically connected to the first connector 27 inside. The second connection pin 25 connected to is accommodated and held.
Further, in the first connector support portion 21, the end portion of the second connection pin 25 is exposed (projected) at the center portion of the other end portion (the other end surface). Further, on the outer peripheral portion of the other end portion of the first connector supporting portion 21, a second pole (for example, S pole) paired with the first pole (for example, N pole) is provided so as to surround the exposed outer periphery of the second connection pin 25. A pole magnet 22 (annular magnet 22) is provided. The other end portion serves as a second attachment/detachment portion 23 which is detachably attached to the first attachment/detachment portion 13 of the above-mentioned base end portion (first base end portion, second base end portion) 10 by magnetic force.

Then, when the second attachment/detachment portion 23 of the first connector portion 20 is brought close to the first attachment/detachment portion 13 of the base end portion 10, the first pole magnet 12 provided on the first attachment/detachment portion 13 becomes 2 The magnet 22 of the 2nd pole provided in the attaching/detaching part 23 is attracted by the magnetic force. At this time, due to the magnetic force, the center of the first attachment/detachment portion 13 of the base end portion 10 and the center of the second attachment/detachment portion of the first connector portion 20 are aligned and connected so that the center of the base end portion 10 is connected. The first connecting pin 15 of the first attaching/detaching portion 13 and the second connecting pin 25 of the second attaching/detaching portion 23 of the first connector portion 20 are in contact with each other to be electrically connected. With this configuration, the first connector 27 is electrically connected to the coaxial cable 1.
It should be noted that in a state where the first connector portion 20 is attached to the base end portion 10 and integrated (the state of FIG. 1), the user grips one of the base end portion 10 and the first connector portion 20. By pulling with a force that resists the magnetic force, the base end portion 10 and the first connector portion 20 can be separated, and the state shown in FIG. 2 can be obtained.

Next, the configuration of the second connector portion 30 of the charging cable W1 according to the first embodiment will be described with reference to FIGS. 1 and 3 and FIG. 7 described above.
Here, FIG. 7 is a schematic diagram showing a second connector portion that constitutes a connection terminal of the charging cable of the first embodiment, and FIG. 7A is a schematic diagram showing a side surface of the second connector portion. , (B) is a schematic view of the attaching/detaching part provided in the second connector section as viewed from the front, and (C) is a schematic view of the USB connector provided in the second connector section as viewed from the front.

As shown in FIG. 7, the second connector section 30 includes a second connector 37 and a second connector support section 31 formed in a rectangular block shape. The second connector support portion 31 is formed of an insulating material such as synthetic resin, and one end portion (one end surface) of the second connector support portion 31 stands and supports the second connector 37, and the second connector 37 is electrically connected to the second connector 37 inside. The third connection pin 35 connected to is accommodated/held.
In addition, the second connector support portion 31 has the end portion of the third connection pin 35 exposed at the center of the other end portion and the first pole (so as to surround the exposed outer periphery of the third connection pin 35). For example, a second pole (for example, S pole) magnet 32 (annular magnet 32) that is paired with the N pole is provided. The "exposed third connecting pin 35 and magnet 35" at the other end becomes the third attaching/detaching portion 33 which is detachably attached to the first attaching/detaching portion 13 of the base end portion 10 by magnetic force. ing.

Then, when the third attachment/detachment portion 33 of the second connector portion 30 is brought close to the first attachment/detachment portion 13 of the base end portion (first base end portion, second base end portion) 10, the first attachment/detachment portion 13 The magnet 32 of the second pole provided in the third attaching/detaching portion 33 is attracted by the magnetic force to the magnet 12 of the first pole provided in the above. At this time, due to the magnetic force, the center of the first attachment/detachment portion 13 of the base end portion 10 and the center of the third attachment/detachment portion of the second connector portion 30 are aligned and connected so as to coincide with each other. The first connecting pin 15 of the first attaching/detaching portion 13 and the third connecting pin 35 of the third attaching/detaching portion 33 of the second connector portion 30 are brought into contact with each other to be electrically connected. With this configuration, the third connector 37 is electrically connected to the coaxial cable 1.
In the state where the second connector portion 30 is attached to the base end portion 10 and integrated (the state of FIG. 1), the user grips one of the base end portion 10 and the second connector portion 30. By pulling with a force that opposes the magnetic force, the base end portion 10 and the second connector portion 30 can be separated, and the state shown in FIG. 3 can be obtained.

The charging connector W1 configured as described above is used as follows, for example.
First, the charging connector W1 is in the state shown in FIG. 1, that is, the first connector portion 20 is attached to the base end portion 10 at one end portion of the coaxial cable 1, and the first connector portion 20 is attached to the base end portion 10 at the other end portion of the coaxial cable 1. 2 The state in which the connector portion 30 is attached (the state shown in FIG. 1) is set.
Next, the first connector 27 at one end of the charging cable W1 is inserted into and attached to a connector port (insertion port) provided in the electronic device, and a USB port provided in the inside of a PC or an automobile. The second connector (USB connector) 37 at the other end of the charging cable W1 is inserted and fitted into the (insertion port). As a result, the electronic device is charged via the charging cable W1.

Further, in the state where one end of the charging cable W1 is connected to the insertion port of the electronic device as described above, the user can pull by holding the base end 10 on the one end side of the charging cable W1. , With the first connector unit 20 still attached to the insertion port of the electronic device, the proximal end portion 10 is separated from the first connector unit 20, and the charging cable W1 is removed from the insertion port of the electronic device. You can do it.
The magnetic force for attracting the first pole magnet 12 provided in the first attachment/detachment section 13 and the second pole magnet 22 provided in the second attachment/detachment section 23 is inserted into the insertion port of the electric device. It is set to be smaller than the force for pulling out the first connector 27 that has been pulled out from the insertion port.

In addition, in the state where the other end of the charging cable W1 is connected to the insertion port provided in the inside of the PC or the vehicle as described above, the user can set the base of the other end of the charging cable W1. By pulling by holding the end portion 10, the base end portion 10 is separated from the second connector portion 30 while the second connector portion 30 is still attached to the insertion port, and the insertion portion provided on the PC or the like is inserted. The charging cable W1 can be removed from the mouth.
The magnetic force that attracts the first pole magnet 12 provided in the first attaching/detaching portion 13 and the second pole magnet 32 provided in the third attaching/detaching portion 33 is inserted into the insertion port (USB port). It is set to be smaller than the force for pulling out the fitted second connector (USB connector) 37 from the insertion port.

After that, when it is desired to charge the electronic device again, the second attaching/detaching part 23 of the first connector part 20 attached to the insertion port of the electronic device is provided with the base end part 10 separated from the first connector part 20. When the first attachment/detachment portion 13 is brought close to each other, the first pole magnet 12 provided on the first attachment/detachment portion 13 and the second pole magnet 22 provided on the second attachment/detachment portion 23 are attracted to each other by magnetic force. The second connector 27 attached to the connector port of the electronic device is electrically connected to the coaxial cable 1.
Further, the first attaching/detaching portion 13 of the base end portion 10 separated from the second connector portion 30 is brought close to the third attaching/detaching portion 33 of the second connector portion 30 attached to the insertion port provided in the PC or the like. Then, the first pole magnet 12 provided in the first attachment/detachment section 13 and the second pole magnet 32 provided in the third attachment/detachment section 33 are attracted to each other by the magnetic force to be attracted, and the USB connector is attached. The third connector 37 attached to the port is electrically connected to the coaxial cable 1.

As described above, according to the configuration of the first embodiment of the present invention, once the connector portion (first connector portion 20, first connection terminal 2, second connection terminal 3) of the connection terminal (first connection terminal 2, second connection terminal 3) is inserted into the insertion port. If the second connector portion 30) is inserted and fitted, then only the connector portion (first connector portion 20, second connector portion 30) of the connection terminal remains attached and left in the insertion port. Then, the charging cable W1 to which only the base end portion 10 of the connection terminal is connected can be removed. At the time of detaching, the base end portion 10 may be held and pulled by a force that opposes the magnetic force, and unnecessary force is not applied to the connection portion (connector and insertion port).

Further, with only the connector portions (first connector portion 20, second connector portion 30) of the connection terminals (first connection terminal 2, second connection terminal 3) being attached to the insertion port, the base of the connection terminal When the charging cable W1 to which only the end portion 10 is connected is removed and then the charging cable W1 is connected again, the attachment/detachment portion (second connector portion 20) of the connector portion (first connector portion 20, second connector portion 30) If the first attachment/detachment portion 13 of the base end portion 10 is brought closer to the attachment/detachment portion 23 or the third attachment/detachment portion 33, it will be attracted by magnetic force and unnecessary force will be applied to the connecting portion (connector and insertion port). The connector portion and the base end portion 10 can be easily connected to each other without the need.

As described above, in the first embodiment, the connection terminals (connection terminal 2 and connection terminal 3) provided at both ends of the charging cable W1 are both configured by two constituent portions that can be detachably separated by magnetic force. Has been done. Therefore, according to the first embodiment, once the connection terminals (connection terminal 2, connection terminal 3) are attached to the insertion port of the PC or the electronic device, the connection portion (connector and insertion port) is thereafter unnecessary. The charging cable W1 can be easily attached to and detached from the PC or the electronic device without applying any force. Therefore, according to the first embodiment, the possibility of disconnection or damage to the connecting portion is reduced.
Further, in the first embodiment, the base end portions 10 of the connection terminals (the connection terminals 2 and 3) and the connector portions (the first connector portion 20 and the second connector portion 30) of the connection terminals are mutually magnetized by magnetic force. Since the cable is pulled and connected, even if it is difficult to visually check such as a USB port provided inside a car, the coaxial cable can be easily attached and detached once it is attached.

Further, in the above-described first embodiment, the connector portion (first connector 27) of the first connection terminal 2 is shown to be a Micro A micro USB connector, but this is merely an example. For example, as shown in FIG. 8, the connector portion of the first connection terminal 2 may be a Micro B Micro USB connector.
FIG. 8: is a schematic diagram for demonstrating the other example of the 1st connection terminal provided in the one end part of the charging cable of 1st Embodiment, (A) is a 1st connection terminal of another example. It is the schematic diagram seen from the side, (B) is the schematic diagram which looked at the 1st connection terminal of another example from the cable side.
In addition, in the other example of FIG. 8, the same configurations as those of the above-described first embodiment are denoted by the same reference numerals.

The illustrated connection terminal 2 includes a base end portion (first base end portion) 10 connected to one end portion of the coaxial cable 1 and a first connector portion 40 detachably attached to the base end portion 10 by magnetic force. I have. The connection terminal 2 can be in a state in which the first connector portion 40 is attached to the base end portion 10 so as to be integrated, or in a state in which the first connector 40 is separated from the base end portion 10.

The first connector section 40 has the same configuration as the first connector section 20 of FIG. 2 except that the first connector 27 of the first connector section 20 described in FIG. 2 is replaced with the first connector 47. It has become.
Specifically, the first connector unit 40 includes a first connector 47 which is a Micro B micro USB connector, and a first connector support portion 21 formed in a substantially disc shape. The first connector support portion 21 is formed of an insulating material such as synthetic resin, and one end portion (one end surface) of the first connector support portion 21 stands and supports the first connector 47, and the first connector 47 is electrically connected to the first connector 47. The second connection pin 25 connected to is accommodated and held.

In the first embodiment, it is possible to mount connectors of various specifications on the first connector supporting portion 21. For example, the first connector support portion 21 may be provided with a Lightning connector or may be provided with a miniUSB connector.
By providing the first connector section 20 having a plurality of connectors having different specifications, it is possible to charge various electronic devices by exchanging the first connector section 20. For example, when carrying a plurality of types of electronic devices such as digital cameras, smartphones, and mobile PCs on business trips and trips, one charging cable 10 and a first connector section 20 having connectors with different specifications are used. If a plurality of electronic devices are prepared and brought, one charging cable W1 can be used to charge a plurality of types of electronic devices.

<<Second Embodiment>>
Next, a schematic configuration of the charging cable according to the second embodiment of the present invention will be described with reference to FIG.
Here, FIG. 9 is a schematic diagram showing the overall configuration of the charging cable of the second embodiment.
The charging cable W2 of the second embodiment is the same as that of the first embodiment except that the base end portion 10 of the charging cable W1 of the first embodiment described above is changed to the base end portion 100. Therefore, in the description of the second embodiment, the configuration different from that of the first embodiment will be mainly described, and the same configurations (or corresponding configurations) as those of the first embodiment will be denoted by the same reference numerals and the description thereof will be omitted or simplified. To do.

As illustrated, the charging cable W2 of the second embodiment is provided at the coaxial cable 1, the connection terminal (first connection terminal) 2 provided at one end of the coaxial cable 1, and the other end of the coaxial cable. And a connected connection terminal (second connection terminal) 3 which is used to charge an electronic device such as a smartphone or a digital camera.

The connection terminal 2 has a base end portion (first base end portion) 100 connected to one end portion of the coaxial cable 1 and a first connector portion 20 detachably attached to the base end portion 100 by magnetic force. doing.
Further, the connection terminal 3 is a base end portion (second base end portion) 100 connected to the other end portion of the coaxial cable 1, and a second connector portion detachably attached to the base end portion 100 by magnetic force. 30 (see FIG. 3). The base end portion (second base end portion) 100 of the connection terminal 3 has the same configuration as the base end portion (first base end portion) 100 of the connection terminal 2.

The above-mentioned base end portion 100 has a configuration in which two first attaching/detaching portions 13 described in the above-described first embodiment are provided.
Specifically, the base end portions (first base end portion, second base end portion) 100 are held inside the insulating sleeve 110 and the insulating sleeve 110 fixed to both end portions of the coaxial cable 1, respectively. The first connecting pin 150 is electrically connected to the copper wire of the coaxial cable 1.
The insulating sleeve 110 includes a main body portion 110a formed in a substantially cylindrical shape and a branched portion 110b formed in a cylindrical shape protruding from a side surface portion of the main body portion 110a. It is filled, and the first connection pin 150 is housed/held therein.

Also, the first connection pin 150 is branched into two inside the insulating sleeve 110.
Specifically, the first connection pin 150 is branched from a main wire portion 150a connected to a copper wire (not shown) of the coaxial cable 1 and a substantially middle portion of the main wire portion 150a and with respect to the main wire portion 150a. It is formed by a branch line portion 150b extending in a substantially right angle direction.
Further, the first connecting pin 150 has one end portion (the tip end portion of the main line portion 150a) that is branched in two exposed from the tip end portion (tip end surface) of the main body portion of the insulating sleeve 150. The other end (the tip of the branch line portion 150b) is exposed from the tip (tip surface) of the branch 110b protruding from the side surface of the main body 110a.

Further, at the tip (tip surface) of the main body 110a, the first pole is provided on the outer periphery of the first connecting pin 150 (tip of the main line portion 150a) exposed from the tip (tip surface) of the main body 110a. The magnet 12 is provided, and the tip of the magnet 12 serves as the first attaching/detaching portion 13.
Further, the first pole is provided on the outer peripheral portion of the first connecting pin 150 (the tip of the branch line portion 150b) exposed from the tip (tip surface) of the branch 110b protruding from the side surface of the main body 110a. The magnet 12 is provided, and the tip portion of the magnet 12 also serves as the first attaching/detaching portion 13.

And in 2nd Embodiment, the 2nd attachment/detachment part 23 of the 1st connector part 20 is adjoined with respect to the 2nd attachment/detachment part 13 of each base end part 100 provided in the both ends of the coaxial cable 1, respectively. Then, the magnet 22 of the second pole provided in the second attaching/detaching portion 23 is attracted and attracted to the magnet 12 of the first pole provided in the first attaching/detaching portion 13 by the magnetic force. At this time, due to the magnetic force, the center of the first attachment/detachment portion 13 of the base end portion 100 and the center of the second attachment/detachment portion 23 of the first connector portion 20 are aligned and connected so as to match, and the base end portion 10 is connected. The first connecting pin 150 of the first attaching/detaching portion 13 and the second connecting pin 25 of the second attaching/detaching portion 23 of the first connector portion 20 are brought into contact with each other to be electrically connected. With this configuration, the first connector 27 is electrically connected to the coaxial cable 1.

Further, when the third attaching/detaching portion 33 of the second connector portion 30 is brought close to the two first attaching/detaching portions 13 of the respective base end portions 100 provided on both ends of the coaxial cable 1, the first attaching/detaching is performed. The second pole magnet 22 provided in the third attachment/detachment section 33 is attracted to and attracted by the first pole magnet 12 provided in the section 13 by magnetic force. At this time, due to the magnetic force, the center of the first attachment/detachment portion 13 of the base end portion 100 and the center of the third attachment/detachment portion 33 of the second connector portion 30 are aligned and connected so that the base end portion 100 is connected. The first connecting pin 150 of the first attaching/detaching portion 13 and the third connecting pin 35 of the second attaching/detaching portion 23 of the second connector portion 30 are brought into contact with each other to be electrically connected. With this configuration, the second connector 37 is electrically connected to the coaxial cable 1.

As described above, also in the second embodiment of the present invention, the same operational effect as in the first embodiment can be obtained.
Furthermore, according to the configuration of the second embodiment, once the connection terminals (first connection terminal, second connection terminal) are attached to the insertion port, thereafter, the base end portion (first base end portion, second connection terminal) is attached. The cable can be attached/detached using one of the two first attaching/detaching portions 13 provided on the insulating sleeve 110 of the base end portion 100, which is easier to attach/detach.

<<Third Embodiment>>
Next, a third embodiment of the present invention will be described with reference to FIGS. 1 to 4, 10 and 11 described above. The third embodiment of the present invention is a charging cable system in which an extension cable W3 is added to the charging cable W1 of the first embodiment described above.
Here, FIG. 10 is a schematic diagram showing the overall configuration of the extension cable that constitutes the charging cable system of the third embodiment. Further, FIG. 11 is a schematic diagram showing a modified example of the extension cable which constitutes the charging cable system of the third embodiment.
In the description of the third embodiment, the configuration different from that of the first embodiment will be mainly described, and the same configurations (or corresponding configurations) as those of the first embodiment will be denoted by the same reference numerals and the description thereof will be omitted or simplified. To do.

The charging cable system of the third embodiment has a charging cable W1 shown in FIG. 1 and an extension cable W3 shown in FIG.

The extension cable W3 shown in FIG. 10 is provided at the coaxial cable 1, the base end portion (third base end portion) 10 provided at one end portion of the coaxial cable 1, and the other end portion of the coaxial cable 1. The connection terminal 200 for extension is provided. The extension connection terminal 200 is the first of the base end portion 10 obtained by removing the connector portions (the first connector 20 and the second connector portion 30) from the connection terminals 2 and 3 of the charging cable W1 (see FIGS. 1 to 3). The detachable portion 13 (see FIG. 4) is detachably attached by magnetic force.
The base end 10 provided at one end of the extension cable W3 is the same as the base end 10 of the charging cable W1.

The extension connection terminal 200 is an insulating sleeve 210 fixed to the other end of the coaxial cable 1, and a second connection held inside the insulating sleeve 210 and electrically connected to the copper wire of the coaxial cable 1. And a pin 25.

The insulating sleeve 210 is formed in a substantially cylindrical horn shape, the inside of which is filled with an insulating material 210c, and the second connecting pin 25 is housed and held in the center thereof. In the illustrated example, the insulating sleeve 210 has a diameter that gradually decreases from the front end toward the rear end. The diameter of the rear end of the insulating sleeve 210 is the same as (or slightly larger than) the diameter of the protective coating of the coaxial cable 1, and the rear end of the coaxial cable 1 has the same diameter. It is fitted and fixed to the outer periphery of the protective coating.

Further, at the tip (tip surface) of the insulating sleeve 210, the tip of the second connection pin 25 is exposed (protruding) from the center. An annular magnet 22 is provided on the outer peripheral portion of the tip end portion (tip end surface) of the insulating sleeve 210 so as to surround the exposed outer periphery of the second connection pin 25. The second attaching/detaching portion 23 is detachably attached to the first attaching/detaching portion 13 (see FIG. 4) of 10 by magnetic force. The second attachment/detachment section 23 is the same as that provided in the first connector section 20 of the first embodiment described above.

According to this configuration, for example, the first connector portion 20 is removed from the base end portion 10 of the connection terminal 2 at one end portion of the charging cable W1 (see FIG. 1), and the base end portion from which the first connector portion 20 is removed is removed. When the second attaching/detaching portion 23 of the extension connecting terminal 200 at the other end of the extension cable W3 is brought close to the first attaching/detaching portion 13 of the extension cable W3, the extension cable is magnetically applied to the base end portion 10 of the charging cable W1. The extension connection terminal 200 at one end of W3 is connected.
Then, the length dimension of the charging cable W1 can be extended by bringing the removed first connector portion 20 into close proximity to the base end portion 10 provided at one end portion of the extension cable W3 and connecting it by magnetic force. it can.

In the extension cable W3 of the third embodiment shown in FIG. 10, the proximal end portion 10 is provided at one end portion of the coaxial cable 1 and the extension connection terminal 200 is provided at the other end portion. It is not limited.
For example, like the extension cable W4 shown in FIG. 11, extension connection terminals 200 may be provided at both ends of the coaxial cable 1. In this case, in addition to the charging cable W1 and the extension cable W4, a cable in which the connector portions (the first connector portion 20 and the second connector portion 30) are removed from the connection terminals 2 and 3 of the charging cable W1 is also used. By preparing, the three cables can be extended.

Further, the charging cable system of the third embodiment has the charging cable W1 shown in FIG. 1 and the extension cable W3 shown in FIG. 10, but the charging cable system is not particularly limited to this. The charging cable system of the third embodiment may have a configuration including a charging cable W2 shown in FIG. 9 and an extension cable W3 shown in FIG.

The present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the invention.

For example, in the above-described embodiments (the first embodiment and the second embodiment), the example of using the USB connector, the micro USB connector, the Lightning connector, and the miniUSB connector has been described as the application example of the connectors of the connection terminals 2 and 3. , But is not particularly limited to this. The connector may be of a rechargeable specification.

W1, W2... Charging cable 1... Coaxial cable 2... Connection terminal (first connection terminal)
3... Connection terminal (second connection terminal)

10... Base end portion (first base end portion, second base end portion)
11... Insulation sleeve 11a... Same-diameter part 11b... Reduced-diameter part 11c... Insulation material 11c1... Recess 12... Magnet 13... First attachment/detachment part 15... First connection pin

20, 40... 1st connector part 21... 1st connector support part 22... Magnet 23... 2nd attachment/detachment part 25... 2nd connection pin 27, 47... 1st connector

30... 2nd connector part 31... 2nd connector support part 32... Magnet 33... 3rd attachment/detachment part 35... 3rd connection pin 37... 2nd connector

100... Base end portion (first base end portion, second base end portion)
110... Insulation sleeve 110a... Body part 110b... Branch part 150... First connection pin 150a... Main line part 150b... Branch line part

W3, W4... Extension cable 200... Extension connection terminal 210... Insulation sleeve 210c... Insulation material

Claims (6)

A charging cable for an electronic device comprising a coaxial cable, a first connection terminal provided at one end of the coaxial cable, and a second connection terminal provided at the other end of the coaxial cable,
The first connection terminal is detachably attached to the first base end portion by magnetic force on the first base end portion connected to one end portion of the coaxial cable, and is electrically connected to the coaxial cable. Having a first connector portion,
The second connection terminal is detachably attached to the second base end portion by magnetic force to the second base end portion connected to the other end portion of the coaxial cable, and is electrically connected to the coaxial cable. Has a second connector part,
The first connector unit has a first connector connected to a connector port of the electronic device,
The charging cable, wherein the second connector portion has a USB connector. The first connector is any one of a micro USB connector, a mini USB connector and a Lightning connector,
The charging cable according to claim 1, wherein the USB connector is any one of Type A, Type B, and Type C USB connectors. Each of the first base end portion and the second base end portion is an insulating sleeve fixed to an end portion of the coaxial cable, and is held inside the insulating sleeve and electrically connected to the coaxial cable. And a first connection pin,
The end of the first connecting pin is exposed from the center of the tip of the insulating sleeve, and the outer periphery of the tip of the insulating sleeve surrounds the exposed outer periphery of the first connecting pin. , A magnet for the first pole is provided, and the tip of the magnet is the first attaching/detaching part,
The first connector part has a first connector support part that supports the first connector upright at one end and holds therein a second connection pin electrically connected to the first connector. Have,
The end portion of the second connection pin is exposed from the center of the other end portion of the first connector support portion, and the exposed second connection pin of the exposed second connection pin is attached to the other end portion of the first connector support portion. A second attachment/detachment in which a magnet of a second pole paired with the first pole is provided so as to surround the outer periphery, and the other end of the first connector support portion is detachably attached to the first attachment/detachment portion by magnetic force. Has become a section,
The second connector portion has a second connector support portion that supports the USB connector upright at one end and holds a third connection pin electrically connected to the USB connector therein. ,
The end portion of the third connection pin is exposed from the center of the other end portion of the second connector support portion, and the exposed third connection pin of the other end portion of the second connector support portion is exposed. A third attachment/detachment in which a magnet for a second pole paired with the first pole is provided so as to surround the outer periphery, and the other end of the second connector support portion is detachably attached to the first attachment/detachment portion by magnetic force. The charging cable according to claim 1 or 2, wherein the charging cable is a part. When the second attachment/detachment portion of the first connector portion is brought close to the first attachment/detachment portion, the magnet of the second pole is attracted and attracted to the magnet of the first pole by magnetic force, and the first connection is made. The pin and the second connection pin of the first connector portion come into contact with each other to be electrically connected,
When the third attachment/detachment portion of the second connector portion is brought close to the first attachment/detachment portion, the magnet of the second pole is attracted and attracted to the magnet of the first pole by magnetic force, and the first connection is made. The charging cable according to claim 3, wherein the pin and the third connection pin of the second connector portion are in contact with each other to be electrically connected. The insulating sleeve is formed in a substantially cylindrical shape,
The first connecting pin branches inside the insulating sleeve, one branched end of the first connecting pin is exposed from the center of the tip end of the insulating sleeve, and the other branched end of the insulating sleeve is exposed. It is exposed from the side surface,
The magnet of the first pole is provided so as to surround the outer periphery of the first connection pin exposed from the side surface portion, and the first attachment/detachment portion is also formed on the side surface portion. Or the charging cable described in 4. A charging cable system comprising the charging cable according to claim 1 and an extension cable,
The extension cable includes a coaxial cable, a third base end portion provided at one end portion of the coaxial cable, and an extension connection terminal provided at the other end portion of the coaxial cable,
The third base end portion has the same configuration as the first base end portion,
The charging cable system, wherein the extension connection terminal is detachably attached to the first base end portion or the second base end portion of the charging cable by magnetic force.

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