JP2007305480A - Connector, electrical apparatus and luminaire - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To regulate the rotation of a wire, with respect to a connector and, to prevent falling off of the wire from the connector. <P>SOLUTION: This connector is provided with a housing 5, having a tubular insertion opening part 6 provided with an insertion opening 6a for inserting a wire 3, having a core wire 3a covered with a cover material 3b therein and supporting the cover material 3b thereto, and a connecting part 7 formed by communicating with the insertion opening part 6 for electrically connecting the core wire 3a thereto. The connector is also provided with a pressing spring 8, mounted on the connection part 7 for pressing the core wire 3a, and a terminal member 9, mounted on the connection part 7 for bringing the core wire 3a into contact therewith and electrically connected thereto. The housing 5 is movably supported through another wire electrically connected to the terminal member 9. A rotation regulating part 11, brought into contact with the cover material 3b for regulating rotation of the wire 3b around the axial line of the wire 3, is formed in the inside of the insertion opening part 6. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a connector for inserting an electric wire such as a vinyl insulated wire and electrically connecting a core wire of the electric wire, an electric device including the connector, and a lighting fixture.

  Some electrical devices such as lighting fixtures use so-called quick-connect connectors that are electrically connected by inserting a wire such as a vinyl insulated wire into the connector.

  This type of fast-connecting connector is configured as a fixed connector in which a housing into which an electric wire is inserted is fixed to a support member such as a circuit board.

  As a conventional quick-connection type connector, a configuration is disclosed in which an electric wire is inserted into a connector fixed to a lamp body of a lighting fixture with a screw (for example, see Patent Document 1).

  For example, as shown in FIGS. 4 and 5, the conventional connector 101 includes a cylindrical insertion port portion 106 that supports the covering material 103 b by inserting the electric wire 103 in which the core wire 103 a is covered with the covering material 103 b. A housing 105 having a connection portion 107 formed in communication with the insertion opening portion 106 and electrically connected to the core wire 103a is provided.

  The conventional connector 101 includes a pressing spring 108 that presses the core wire 103a and a terminal member 109 that is in contact with and electrically connected to the core wire 103a. The housing 105 is movably supported via another electric wire (not shown) electrically connected to the terminal member 109. The pressing spring 108 and the terminal member 109 are disposed at a position facing the core wire 103a.

In this conventional connector 101, the electric wire 103 is inserted from the insertion port portion 106 of the housing 105, whereby the core wire 103a of the electric wire 103 is held by the pressing spring 108 of the connecting portion 107 and the terminal member 109 is interposed. Electrically connected to other wires.
JP-A-6-163092 (FIG. 1)

  By the way, the above-mentioned conventional quick-connecting connector maintains the connection state by holding the core wire with the pressing force of the pressing spring while the electric wire is electrically connected.

  Therefore, in the conventional quick-connect type connector, when the inserted electric wire rotates around the axis, the pressing force of the pressing spring that presses the core wire acts in the axial direction of the core wire, as shown in FIG. In addition, there is a tendency that the electric wire tends to come out from the connector, and there is a disadvantage that the electric wire is easily dropped from the connector.

  Therefore, when a conventional quick-connecting connector is used as a movable connector in which the housing is movably supported via another electric wire to which the electric wire inserted into the housing is electrically connected, There is a problem that the electric wire falls off the connector when the electric wire rotates around the axis along with the movement.

  That is, the conventional quick-connecting connector cannot be applied as a movable connector, and must be used as a fixed connector that is fixed to a support member, so that its application is limited.

  For this reason, in the conventional movable type connector, the caulking structure which joins the core wire of an electric wire to a terminal member by caulking is taken, and the press structure which makes an electric wire removable is not taken.

  Therefore, the present invention restricts the electric wire connected to the connector from rotating around the axis with respect to the connector, and prevents the electric wire from dropping from the connector even when used as a movable connector. An object of the present invention is to provide a connector that can be used.

  In order to achieve the above-described object, the connector according to the present invention includes a cylindrical insertion port portion that is provided with an insertion port into which an electric wire whose core wire is covered with a coating material is inserted and supports the coating material, and the insertion port portion. A housing having a connection portion formed in communication with the core wire and electrically connected to the core wire. In addition, the connector includes a pressing member that is provided in the connection portion and presses the core wire, and a terminal member that is provided in the connection portion and is electrically connected by contacting the core wire. The housing is supported movably through another electric wire electrically connected to the terminal member. And in the insertion port part, the rotation control part which contact | abuts to a coating | covering material and controls that an electric wire rotates around the axis line of this electric wire is formed.

  According to the connector according to the present invention configured as described above, the core wire of the electric wire inserted from the insertion port of the insertion port portion is held by the pressing force of the pressing member of the connection portion, and the core wire contacts the terminal member. Is electrically connected. In this connector, when the electric wire is electrically connected, the rotation restricting portion of the insertion port is in contact with the coating material of the electric wire, so that the electric wire is in the axis of the electric wire with respect to the insertion port. Rotation around is well regulated. Therefore, according to this connector, it is possible that the pressing force by the pressing member that presses the core wire acts in the axial direction of the core wire by suppressing the rotation of the electric wire around the axis by the rotation restricting portion. The core wire is moved in the axial direction by the pressing force of the pressing member, and the electric wire is suppressed from dropping from the connector.

  An electronic device according to the present invention includes the connector according to the present invention described above.

  Moreover, the lighting fixture which concerns on this invention is equipped with the connector of this invention mentioned above, and electric power is supplied to a discharge lamp via this connector.

  As described above, according to the present invention, since the electric wire connected to the connector is restricted from rotating around the axis by the rotation restricting means, it is possible to prevent the electric wire from coming out of the connector. Therefore, according to this invention, the reliability of the connection state of the electric wire inserted in the connector can be improved.

  Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, as shown in FIG. 1, as an example of the electric wire 3 electrically connected by the connector 1, the core wire 3 a is formed by being covered with a covering material 3 b, and the covering material 3 b is made of vinyl. Vinyl insulated wires are used.

  As shown in FIG. 1, the connector 1 of the present embodiment is a so-called quick-connecting connector that is electrically connected by inserting an electric wire, and is an insertion that supports a covering material 3 b of the inserted electric wire 3. A housing 5 having a mouth portion 6 and a connection portion 7 to which a core wire of an electric wire is electrically connected is provided. The connector 1 also includes a set of pressing springs 8 as pressing members that press the core wire 3a, and a terminal member 9 that is electrically connected to the core wire 3a.

  In the housing 5, a cylindrical insertion port portion 6 and a box-shaped connection portion 7 are integrally formed of an insulating material such as resin. An insertion port 6 a into which the electric wire 3 is inserted is provided at one end side of the insertion port portion 6. In addition, the other end side of the insertion port portion 6 is formed to communicate with the connection portion 7.

  As shown in FIG. 3, a set of pressing springs 8 is disposed in the connection portion 7 at a position facing the core 3 a of the electric wire 3 that has entered from the insertion port 6 side. One end of the pressing spring 8 is fixed to the inner peripheral portion of the connecting portion 7, and has a pressing piece 8 a provided so as to be elastically displaceable. When the core wire 3a enters the connecting portion 7 in the pressing spring 8, the pressing piece 8a is elastically displaced and brought into contact with the outer peripheral surface of the core wire 3a.

  Moreover, in the connection part 7, the terminal member 9 electrically connected with the core wire 3a is provided in the position facing the end surface of the core wire 3a. Although not shown, the core wire of another electric wire is electrically connected to the terminal member 9, and the core wire 3 a of the electric wire 3 is electrically connected to the core wire of the other electric wire via the terminal member 9. In addition, the connector 1 has a housing 5 supported by a support portion (not shown) in a movable manner via another electric wire electrically connected to the terminal member 9.

  As shown in FIGS. 2 and 3, the insertion opening 6 of the housing 5 is brought into contact with the outer peripheral surface of the covering material 3 b to restrict the electric wire 3 from rotating around the axis of the electric wire 3. A rotation restricting portion 11 is formed.

  The rotation restricting portion 11 has a plurality of restricting ribs 11a as restricting pieces that come into contact with the outer peripheral surface of the covering material 3b. Each regulation rib 11 a is formed so as to project integrally along the axial direction of the insertion port 6 with a predetermined interval in the circumferential direction of the insertion port 6. Each regulating rib 11 a is provided on the inner peripheral surface of the insertion port 6 over the axial direction of the insertion port 6, and extends from the inner peripheral surface of the insertion port 6 toward the axis of the insertion port 6. Are formed radially.

  Regarding the connector 1 configured as described above, a state in which the core wire 3a of the electric wire 3 is electrically connected when the electric wire 3 is inserted will be described.

  As shown in FIG. 3, the connector 1 has the wire 3 inserted through the insertion port 6 a of the insertion port 6, and the core wire 3 a of the electric wire 3 passing through the insertion port 6 is connected to the pressing spring 8 of the connection unit 7. The core wire 3a is held by the pressing piece 8a by elastically displacing the pressing piece 8a.

  Moreover, the electric wire 3 inserted in the connection part 7 is electrically connected to the terminal member 9 by the end surface of the core wire 3 a being brought into contact with the terminal member 9. It is electrically connected to the electric wire.

  In the connector 1, the regulating ribs 11 a of the insertion port 6 are brought into contact with the outer peripheral surface of the covering material 3 b of the electric wire 3 in a state where the electric wires 3 are connected, and the covering material 3 b and the regulating ribs 11 a This frictional resistance restricts the electric wire 3 from rotating around the axis with respect to the insertion opening 6. Therefore, in the connector 1, the pressing force by the pressing spring 8 is prevented from acting in the axial direction of the core wire 3 a by rotating the electric wire 3 around the axis, and the core wire 3 a is connected from the connection portion 7 by the pressing force by the pressing spring 8. Dropping is suppressed.

  For this reason, according to the connector 1, the electric wire 3 inserted into the connector 1 rotates with respect to the housing 5 even when the housing 5 that is movably supported via other electric wires rotates. Is well regulated, and the wire 3 is not dropped from the connector 1 and a good connection state is maintained.

  As described above, according to the connector 1 of the present embodiment, since the rotation restricting portion 11 is provided in the insertion opening 6 of the housing 5, the plurality of restricting ribs 11a abut against the outer peripheral surface of the covering material 3b. Thus, the electric wire 3 can be prevented from rotating around the axis. Therefore, even when the connector 1 is used as a so-called movable connector in which the housing 5 is movably supported, the housing 5 that is movably supported via another electric wire rotates. Then, the electric wire 3 electrically connected to the connector 1 is prevented from rotating around the axis of the electric wire 3 with respect to the housing 5, and the pressing force by the pressing spring 8 acts in the axial direction of the core wire 3a. Thus, the core wire 3a can be prevented from falling off due to the pressing force of the pressing spring 8. Therefore, according to this connector 1, the reliability of the connection state of the electric wire 3 inserted in the connector 1 can be improved.

  Moreover, the connector 1 of this embodiment is applicable to various electric equipments, for example, is used suitably for the lighting fixture which supplies electric power to a discharge lamp via a connector.

  The connector 1 according to the above-described embodiment adopts a configuration in which the core wire 3a is held by the pressing force of the pair of pressing springs 8 and the end surface of the core wire 3a is brought into contact with the terminal member 9 to be electrically connected. However, for example, the terminal member is disposed at a position where the core wire pressed by the pressing spring comes into contact, and the core wire is pressed against the terminal member by the pressing force of the pressing spring, or the pressing spring and the terminal member are electrically connected. A configuration in which the pressing spring and the terminal member are integrally formed may be applied.

  Moreover, in this embodiment, although the vinyl insulated wire was used as an electric wire, of course, another electric wire may be used.

It is a perspective view which shows the connector which concerns on this invention. It is a front view which shows the said connector. It is sectional drawing which shows the said connector. It is sectional drawing which shows the conventional connector. It is a front view which shows the conventional connector. It is sectional drawing for demonstrating the state from which an electric wire pulls out from the conventional connector.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector 3 Electric wire 3a Core wire 3b Coating | covering material 5 Housing 6 Insertion part 6a Insertion part 7 Connection part 8 Pressing spring 8a Pressing piece 9 Terminal member 11 Rotation restriction part 11a Restriction rib

Claims (6)

An insertion port into which an electric wire whose core wire is covered with a covering material is inserted is provided, and a cylindrical insertion port portion that supports the covering material is formed, and the core wire that is formed in communication with the insertion port portion is electrically connected. A housing having a connecting portion;
A pressing member that is provided in the connection portion and presses the core wire;
A terminal member provided at the connection portion and electrically connected by contacting the core wire;
The housing is supported movably through another electric wire electrically connected to the terminal member,
The connector is characterized in that a rotation restricting portion that is in contact with the covering material and restricts the electric wire from rotating around the axis of the electric wire is formed in the insertion opening.   2. The connector according to claim 1, wherein the rotation restricting portion includes a plurality of restricting pieces formed along an axial direction of the insertion port portion with an interval in a circumferential direction of the insertion port portion.   The connector according to claim 1, wherein the restriction piece is formed in the insertion port portion along an axial direction of the insertion port portion.   The connector according to claim 1, wherein the electric wire is a vinyl insulated wire.   An electric device comprising the connector according to claim 1. A connector according to any one of claims 1 to 4, comprising:
A lighting fixture in which power is supplied to the discharge lamp via the connector.

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