JP2008059762A - Connector apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector apparatus preventing a cap from getting in the way or being lost. <P>SOLUTION: The connector apparatus is provided with a socket 2 and a plug 3. The socket 2 is provided with a cylindrical member 4 in a cylindrical shape with a bottom with a fixed electrode 5 on a bottom 4A, with an inner wall electrode 6 which is electrically insulated from the fixed electrode on an inner periphery wall surface; the cap 7 which is installed inside the cylindrical member, freely moved in an axial direction of the cylindrical member, and totally formed by an insulating body with a movable electrode 8 provided to one part; and a coil spring 9 installed inside the cylindrical member and energizing the cap to an open end of the cylindrical member. The plug 3 is formed cylindrically with a tip end electrode 11 on a tip end of the plug, and a side electrode 12 on a side surface. When the plug is inserted into the cylindrical member of the socket, and the cap is pushed into the cylindrical member bottom against the energizing force of the coil spring; the tip electrode is brought into contact with the moving electrode. While the movable electrode is brought into contact with the fixed electrode, the side electrode is brought into contact with the inner wall electrode. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a connector device that includes a socket and a plug that is inserted into and electrically connected to the socket.

  The connector device is configured to insert a plug into a socket to electrically connect the socket and the plug, and to perform power feeding or signal transmission from the socket side to the plug side or from the plug side to the socket side.

  In such a connector device, when the plug is removed from the socket, the socket is generally covered with a cap for the purpose of protecting the electrode in the socket. For example, a connector device has been proposed in which a cap is integrally attached to a socket in advance and the end of the socket can be covered with the cap when the plug is removed from the socket (see, for example, Patent Document 1).

There is also known a connector device in which the cap is not integrated with the socket and is configured separately from the socket.
JP-A-6-90842

  However, among the above-described conventional techniques, in the case where the cap is integrally attached to the socket, there is a problem that the cap becomes an obstacle when the plug is inserted into the socket.

  Further, when the cap is configured separately from the socket, there is a problem that the cap is easily lost when the cap is not used.

  The subject of this invention is providing the connector apparatus which can prevent generation | occurrence | production of the malfunction that a cap becomes obstructive or lose | disappears a cap by devising the shape of the cap and its attachment structure.

  In order to solve the above problems, the present invention comprises a socket and a plug that is inserted into the socket and electrically connected thereto, the socket having a bottomed cylindrical shape, and a fixed electrode provided on the bottom, and A cylindrical member provided with an inner wall electrode electrically insulated from the fixed electrode on the inner peripheral wall surface, and disposed in the cylindrical member and movable in the axial direction of the cylindrical member. A cap formed of an insulator and provided with a movable electrode in a part thereof, and a biasing means disposed in the cylindrical member and biasing the cap toward the open end of the cylindrical member, The plug is formed in a columnar or prismatic shape, and a tip electrode is provided on the tip of the plug, and a side electrode is provided on a side surface thereof, and the plug is inserted into the cylindrical member of the socket, The cap is moved against the biasing force of the biasing means. When pushed into the Jo member bottom, together with the tip electrode is in contact with the movable electrode, while the movable electrode is in contact with the fixed electrode, said side electrode is characterized by contacting the inner wall electrode.

  According to the above configuration, when the plug is connected to the socket, the plug is inserted into the cylindrical member of the socket, and the cap is pushed into the bottom of the cylindrical member against the urging force of the urging means. Then, the tip electrode of the plug contacts the movable electrode of the cap, and the movable electrode further contacts the fixed electrode at the bottom of the cylindrical member. On the other hand, the side electrode of the plug is in contact with the inner wall electrode of the cylindrical member. Thereby, a plug and a socket can be electrically connected.

  Further, when the plug is removed from the socket, the plug inserted into the cylindrical member is pulled out to cut off the electrical connection between the plug and the socket. At this time, the cap is urged by the urging force of the urging means and is pushed up to the vicinity of the open end of the cylindrical member away from the bottom of the cylindrical member. Voltage is always applied to the fixed electrode at the bottom of the cylindrical member and the inner wall electrode of the inner wall surface of the cylindrical member, but when the cap is pushed up to the vicinity of the open end of the cylindrical member, the fixed electrode and the inner wall electrode are It is cut off from the outside, and people do not touch the fixed electrode or the inner wall electrode.

  According to the present invention, the cap is always located in the cylindrical member of the socket, and when the plug is inserted into the socket, it is only necessary to push the cap into the cylindrical member of the socket. It will never happen and the cap will not be lost.

  Embodiments of the present invention will be described below with reference to the drawings.

  1 to 3 show a connector device according to the present invention, FIG. 1 is an external perspective view of the connector device, FIG. 2 is a longitudinal sectional view of the connector device, and FIG. It is a figure when it is inserted.

  As shown in FIG. 1, the connector device 1 includes a socket 2 and a plug 3 that is inserted into the socket 2 and electrically connected to the socket 2.

  As shown in FIGS. 1 and 2, the socket 2 includes a cylindrical member (tubular member) 4 having a bottomed cylindrical shape. The cylindrical member 4 is provided with a fixed electrode 5 on the bottom 4A toward the inside of the cylindrical body 4B, and an inner wall electrode 6 is provided on the inner wall surface of the cylindrical body 4B. The inner wall electrode 6 is provided around the inner wall surface of the cylindrical body 4B. A lead wire 5A is connected to the fixed electrode 5, and a lead wire 6A is connected to the inner wall electrode 6, and these lead wires 5A, 6A are drawn out from the cylindrical member 4 to the outside. The bottom 4A and the cylindrical body 4B are made of resin.

  A disk-like cap 7 is provided inside the cylindrical member 4 so as to be movable in the axial direction of the cylindrical body 4B. The cap 7 is entirely made of resin, and a movable electrode 8 is provided at the center. The movable electrode 8 is provided through the cap 7 in the thickness direction.

  Further, a coil spring 9 as an urging means is disposed inside the cylindrical body 4B, and this coil spring 9 urges the cap 7 upward. That is, one end of the coil spring 9 is fixed to the bottom 4A of the cylindrical member 4 and the other end is fixed to the back surface of the cap 7, and the cap 7 is urged toward the open end 4C (see FIG. 3) of the cylindrical member 4. .

  On the other hand, the plug 3 has a cylindrical body portion 10, and the outer diameter of the body portion 10 is smaller than the inner diameter of the cylindrical body 4B. A tapered portion 10A is formed at the lower portion of the body portion 10, and a tip electrode 11 is provided at the lower end of the tapered portion 10A. A knob portion 10 </ b> B having an outer diameter larger than that of the trunk portion 10 is formed on the upper portion of the trunk portion 10.

  In addition, on the side surface of the body portion 10, “<”-shaped side electrodes 12 are provided at two positions on the left and right. These side electrodes 12 are pressed by a spring (not shown) provided inside the body 10 and normally protrude outward from the outer surface of the body 10.

  A lead wire 11A is connected to the tip electrode 11, and a lead wire 12A is connected to the side electrode 12, and these lead wires 11A and 12A are drawn out from the knob 10B. In addition, the whole trunk | drum 10 including the taper part 10A and the knob | pick part 10B is formed with resin.

  Next, the operation of the connector device having the above configuration will be described.

  When connecting the plug 3 to the socket 2, the user manually picks the knob 10B of the plug 3 and inserts the plug 3 into the cylindrical member 4 of the socket 2, as shown in FIG. The cap 7 is pushed into the bottom of the cylindrical member 4 against the biasing force of the spring 9. Then, the tip electrode 11 of the plug 3 comes into contact with the movable electrode 8 of the cap 7, and the movable electrode 8 comes into contact with the fixed electrode 5 at the bottom of the cylindrical member 4. On the other hand, the side electrode 12 of the plug 3 contacts the inner wall electrode 6 of the cylindrical member 4. At this time, since the side electrode 12 is pressed outward of the body portion 10 by a spring (not shown), the side electrode 12 reliably contacts the inner wall electrode 6, and the plug 3 is connected to the cylindrical member 4. It is firmly held inside and does not jump out of the socket 2. Thereby, the plug 3 and the socket 2 are electrically connected.

  When the movable electrode 8 is in contact with the fixed electrode 5, the lower portion of the movable electrode 8 and the fixed electrode 5 are located inside the compressed coil spring 9.

  When the plug 3 is removed from the socket 2, the user grasps the knob 10 </ b> B of the plug 3 by hand, pulls out the plug 3 from the cylindrical member 4 of the socket 2, and electrically connects the plug 3 and the socket 2. Shut off. At this time, the cap 7 is urged by the urging force of the coil spring 9 and is pushed up to the vicinity of the open end 4 </ b> C apart from the bottom portion 4 </ b> A. A voltage is constantly applied to the fixed electrode 5 at the bottom of the cylindrical member 4 and the inner wall electrode 6 at the inner wall surface of the cylindrical body 4B, but the cap 7 is pushed up to the vicinity of the open end 4C of the cylindrical member 4 to close the open end 4C. Therefore, the fixed electrode 5 and the inner wall electrode 6 are blocked from the outside, and the user's finger or the like does not touch the fixed electrode 5 or the inner wall electrode 6.

  According to the present embodiment, since the side electrode 12 of the plug 3 is formed in a “<” shape, the plug 3 is slightly inclined with respect to the socket 2 when the plug 3 is inserted into the socket 2. However, the side electrode 12 is not caught by the upper end edge of the cylindrical member 4 of the socket 2, and the insertion operation can be performed smoothly.

  As mentioned above, although the Example of this invention has been explained in full detail with drawing, the said Example is only the illustration of this invention, and this invention is not limited only to the structure of the said Example. Needless to say, changes in design and the like within the scope of the present invention are included in the present invention.

  For example, in the above embodiment, the main body of the socket 2 has a cylindrical shape, and the plug 3 has a cylindrical body 10 in accordance with the shape of the socket 2. However, the present invention is not limited to this. In addition to a prismatic cylinder such as a pentagon, the body 10 of the plug 3 may be formed in a prismatic shape such as a quadrangle or a pentagon.

  Alternatively, the cylindrical member 4 may be made of a conductor, and the fixed electrode 5 may be provided on the bottom 4A of the cylindrical member 4 via an insulator.

  Furthermore, the number of side electrodes 12 of the plug 3 is not limited to two, and three or more side electrodes 12 may be provided.

1 is an external perspective view of a connector device according to the present invention. It is the figure which showed the socket by the longitudinal cross-section among the connector apparatuses. It is a figure when a plug is inserted in a socket.

Explanation of symbols

1 Connector device 2 Socket 3 Plug 4 Cylindrical member (tubular member)
4A Bottom 4C Open end 5 Fixed electrode 6 Inner wall electrode 7 Cap 8 Movable electrode 9 Coil spring (biasing means)
11 Tip electrode 12 Side electrode

Claims (4)

A socket and a plug that is inserted into the socket and electrically connected;
The socket has a bottomed cylindrical shape, a fixed electrode is provided at the bottom, and a cylindrical member having an inner wall electrode provided on the inner peripheral wall surface that is electrically insulated from the fixed electrode, and the cylindrical shape A cap that is disposed in the member and is movable in the axial direction of the cylindrical member, and is entirely formed of an insulator and partly provided with a movable electrode; and a cap that is disposed in the cylindrical member and that is Biasing means for biasing to the open end side of the member,
The plug is formed in a columnar or prismatic shape, and a tip electrode is provided on the tip of the plug, and a side electrode is provided on a side surface.
When the plug is inserted into the cylindrical member of the socket and the cap is pushed into the bottom of the cylindrical member against the urging force of the urging means, the tip electrode contacts the movable electrode. The connector device, wherein the movable electrode contacts the fixed electrode, and the side electrode contacts the inner wall electrode.   The connector device according to claim 1, wherein the cap has a flat plate shape, and the movable electrode is provided so as to penetrate the cap from the front surface to the back surface.   The biasing means is a coil spring. One end of the coil spring is attached to the bottom of the cylindrical member, and the other end is attached to the back surface of the cap. When the movable electrode and the fixed electrode are in contact with each other, the movable spring The connector apparatus according to claim 2, wherein the lower part of the electrode and the fixed electrode are positioned inside the compressed coil spring. The connector device according to claim 1, wherein the side electrode contacts while pressing the inner wall electrode.

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