WO2013073118A1 - Cable connection terminal and wiring fixture equipped with same - Google Patents

Cable connection terminal and wiring fixture equipped with same Download PDF

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Publication number
WO2013073118A1
WO2013073118A1 PCT/JP2012/006911 JP2012006911W WO2013073118A1 WO 2013073118 A1 WO2013073118 A1 WO 2013073118A1 JP 2012006911 W JP2012006911 W JP 2012006911W WO 2013073118 A1 WO2013073118 A1 WO 2013073118A1
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WO
WIPO (PCT)
Prior art keywords
electric wire
conductor portion
wire
connection terminal
conductor
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Application number
PCT/JP2012/006911
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French (fr)
Japanese (ja)
Inventor
洋子 藤原
柴田 究
奥野 裕寿
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パナソニック株式会社
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Publication of WO2013073118A1 publication Critical patent/WO2013073118A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/489Clamped connections, spring connections utilising a spring, clip, or other resilient member spring force increased by screw, cam, wedge, or other fastening means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the present invention relates to an electric wire connecting terminal for connecting an electric wire to a terminal plate, and a wiring device provided with the electric wire connecting terminal.
  • the container body includes a lower body 31 in the drawing and an upper cover 32 in the drawing.
  • the body 31 has a terminal plate 34 connected to the contact portion 33, an inserted electric wire 35 pressed against the terminal plate 34, and a lock spring 36 that mechanically holds the electric wire 35, and a release button (not shown).
  • a terminal storage chamber 38 for storing the wire connection terminal 37 is provided.
  • the cover 32 is provided with a rib 32 a that presses the terminal plate 34.
  • an electric wire insertion port 38a serving as an insertion port for the electric wire 35 is opened.
  • the covering of the electric wire 35 to be connected is stripped to a specified length to expose the core wire 35a, and then the core wire 35a of the electric wire 35 is fitted into the electric wire insertion port 38a. Push in. Then, the core wire 35a of the electric wire 35 enters while bending the locking spring 36. At this time, the core wire 35a is pressed against the terminal plate 36 by the spring force of the locking spring 36, and the end portion of the locking spring 36 Bites into the core wire 35a, locks the electric wire 35, and the connection of the electric wire 35 is completed.
  • the terminal plate 34 is energized from the lock spring 36. Since the lock spring 36 is formed using a stainless material or the like in order to increase the stress limit value, the conductor resistance is very high. For this reason, when the lock spring 36 is energized, the heat generation is large and the temperature rises greatly, which may shorten the life of the wiring device 30. Therefore, in the wiring device 30, it is necessary to reliably maintain the conductivity between the electric wire 35 and the terminal plate 34 in order to ensure safety.
  • an electric wire connector in which the electric wire terminals inserted into both groove portions from the cap opening portion are held by the groove holes and are reliably and durablely conductive (see Patent Document 1).
  • a wiring device having a spring inside the conductor and provided with a wire pull-out pressing means is disclosed (see Patent Document 2).
  • the conventional electric wire connection terminal 37 has a structure in which the electric wire 35 is pressed against the terminal plate 34 which is a conductor by a lock spring 36 made of a stainless material having a high conductor resistance. For this reason, when the electric wire 35 is separated from the terminal plate 34 due to external pressure or the like, a situation in which a path with low conductor resistance between the electric wire 35 and the terminal plate 34 cannot be secured occurs, and the electric wire connection terminal 37 generates heat. May increase and the life may be shortened.
  • the conventional electric wire connection terminal 37 has a structure in which the electric wire 35 is pressed against the terminal plate 34 by a lock spring 36 made of a stainless material. For this reason, it is necessary to keep the stress limit value of the lock spring 36 high, and there is a limit to downsizing of the lock spring 36. As a result, the electric wire connection terminal 37 and the electric wire connection terminal 37 using the lock spring 36 are provided. There also exists a problem that size reduction of the wiring appliance 30 provided is not realizable.
  • the present invention has been made in view of the above problems, and can stably reduce the contact resistance between an electric wire and a terminal plate, improve the reliability of electrical connection, and can be downsized.
  • the purpose is to provide. Moreover, it aims at providing a wiring apparatus provided with this electric wire connection terminal.
  • an electric wire connecting terminal includes a terminal plate formed of a conductive material, a conductor portion that contacts the terminal plate and surrounds the electric wire, and is connected to the electric wire. And an elastic member that presses the conductor portion so that it can be held by the portion.
  • the conductor portion has a constricted portion so as to approach the electric wire
  • the elastic member is a wire spring that sandwiches the constricted portion of the conductor portion.
  • the conductor portion has a through hole through which the electric wire penetrates at a distal end side in the electric wire insertion direction.
  • the conductor portion preferably has a plurality of bent portions so as to increase the contact surface with the wire.
  • the conductor portion further has a locking portion that bites into the electric wire against movement in a direction in which the electric wire is extracted.
  • this wire connection terminal has a lock portion that bites into the electric wire with respect to movement in the direction in which the wire is pulled out, and the elastic member has a shape surrounding the outside of the conductor portion without contacting the wire Is preferred.
  • a lock portion comprising an edge member or a lock spring that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted is provided at the insertion port portion of the electric wire to the electric wire connection terminal.
  • the conductor portion has a base end portion and an arm-like portion extending so as to sandwich the electric wire from both ends thereof, and has an insertion port into which the electric wire is inserted into the base end portion. It is preferable.
  • the wire may be sandwiched in a direction orthogonal to the length direction of the wire, and the elastic member may be a wire spring that presses the conductor portion from the outside in order to hold the wire in the conductor portion. preferable.
  • the elastic member is preferably a coil spring that presses the conductor portion from the outside.
  • the conductor portion is constituted by a plate material having elasticity that gives a pressing force to the electric wire, and has a lock portion that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted,
  • the elastic member is preferably an auxiliary leaf spring for assisting the pressing force applied to the electric wire by the conductor portion.
  • the terminal plate has an electric wire insertion port for inserting an electric wire, and an extending portion that is folded back at the electric wire insertion port, and is configured to surround the electric wire and also serves as the conductor portion,
  • the elastic member preferably has a locking portion that presses the extension portion to connect the electric wire to the terminal plate and bites into the electric wire on the back side of the electric wire insertion port.
  • the conductor portion is preferably a conductor plate that is disposed between the elastic member and the electric wire and electrically connects the electric wire and the terminal plate.
  • the conductor portion has a cylindrical shape surrounding the electric wire, and has an opening portion that opens at a position in contact with the elastic member, and the elastic member contacts the electric wire through the opening portion. At the same time, it is preferable to have a lock portion that bites into the electric wire.
  • a wiring device according to the present invention is characterized by including the wire connection terminal described above.
  • FIG. 1 is an overall view of a wiring device provided with an electric wire connection terminal according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of the wire connection terminal of the wiring device.
  • FIG. 3 is a perspective view of a conductor portion and an elastic member provided in the wire connection terminal.
  • FIG. 4 is a cross-sectional view of the wire connection terminal according to the first modification of the first embodiment.
  • FIG. 5 is a cross-sectional view of the wire connection terminal according to the second modification of the first embodiment.
  • FIG. 6 is a cross-sectional view of the wire connection terminal according to the third modification of the first embodiment.
  • FIG.7 (a) is sectional drawing of the electric wire connection terminal which concerns on the modification 4 of Embodiment 1 same as the above
  • FIG.7 (b) is a side view of the conductor part with which the said electric wire connection terminal is equipped.
  • FIG. 8 is a cross-sectional view of the wire connection terminal according to Modification 5 of Embodiment 1 described above.
  • Fig.9 (a) is a top view of the edge member with which the electric wire connection terminal which concerns on the modification 6 of Embodiment 1 same as the above is equipped
  • FIG.9 (b) is a perspective view of the lock spring provided with the said electric wire connection terminal.
  • FIG. 10 is a cross-sectional view of the electric wire connection terminal according to the modified example 7 of the first embodiment.
  • FIG.11 (a) is sectional drawing of the electric wire connection terminal which concerns on the modification 8 of Embodiment 1 same as the above
  • FIG.11 (b) is a perspective view of the conductor part with which the said electric wire connection terminal is equipped, and an elastic member.
  • FIG. 12 is a cross-sectional view of the wire connection terminal according to Modification 9 of Embodiment 1 described above.
  • FIG. 13 is a cross-sectional view of the wire connection terminal according to Embodiment 2 of the present invention.
  • FIG. 14 is a cross-sectional view of the wire connection terminal according to Embodiment 3 of the present invention.
  • FIG. 15A is a cross-sectional view of an electric wire connection terminal according to Embodiment 4 of the present invention, and FIG.
  • FIG. 15B is a perspective view of a conductor plate provided in the electric wire connection terminal.
  • FIG. 16 is a cross-sectional view of a wire connecting terminal according to Embodiment 5 of the present invention.
  • FIG. 17 is an overall view of a wiring device provided with a conventional wire connection terminal.
  • the wire connection terminal 1 is housed in a terminal storage chamber 3 in the body of the wiring device 2, and the body of the wiring device 2 is coupled to a cover 2a and a body 2b each made of a synthetic resin molded product. Formed.
  • the body 2b is formed in a box shape, and terminal storage chambers 3 and 3 'for storing the wire connection terminals 1 are provided on both ends.
  • the electric wires 4 are inserted into the bottom surfaces of the terminal storage chambers 3 and 3'. Electric wire insertion openings 3a and 3a 'are opened.
  • the electric wire connection terminal 1 includes a terminal plate 5, a conductor portion 6, and an elastic member 7 that presses the conductor portion 6 from the outside.
  • the terminal plate 5 is made of copper or copper alloy having good conductivity, and is electrically connected to the switch mechanism unit 8 disposed adjacent to the terminal storage chamber 3.
  • the switch mechanism unit 8 stores a contact portion that is electrically connected to the terminal portion of the terminal storage chamber 3 ′, and is connected to the terminal storage chamber 3 ′ by turning on / off a switch provided in the wiring device 2. The load of lighting fixtures connected to the electric wires is controlled.
  • the conductor portion 6 is molded from a highly conductive metal such as copper or copper alloy, is brought into contact with the terminal plate 5 so as to be electrically conductive, and is locked and fixed to the body 2b. As shown in FIGS. 2 and 3, the conductor portion 6 has a plurality of bent portions 6a, 6b, 6a ′, 6b ′. In the first embodiment, the conductor portion 6 surrounds the core wire 4a of the electric wire 4. It is formed in a substantially U shape.
  • the conductor portion 6 has a lower stress limit value but higher conductivity than the stainless steel lock springs used for the above-described conventional wire connection terminals, so that one inner surface is separated from the wire 4. Even in such a case, the other inner surface always comes into contact with the electric wire 4. For this reason, it is always possible to ensure a current-carrying path between the electric wire 4 having a low relative resistance and the terminal plate 5.
  • the elastic member 7 is an auxiliary member such as a wire spring formed of an elastic material having a high stress limit value such as stainless steel, and the electric wire 4 is sandwiched between the electric conductor 4 by pressing the electric conductor 6 from the outside by a spring force.
  • the electric wire 4 and the conductor part 6 are electrically connected as possible.
  • the wire connection terminal 1 With the above configuration, in the wire connection terminal 1 according to the first embodiment, bending of the wire 4 due to external pressure or the like occurs, and even when the core wire 4a of the wire 4 is separated from one inner surface of the conductor portion 6, The other inner surface of the conductor portion 6 is always in contact with the core wire 4a. For this reason, in the electric wire connection terminal 1, the path
  • the conductor portion 6 is formed of copper or the like having a low elastic force and is supported by pressing the conductor portion 6 from the outside using the elastic member 7, the conductor portion 6 can be reduced in size, and the conductor Miniaturization of the wire connection terminal 1 using the part 6 and the wiring device 2 including the wire connection terminal 1 can be realized.
  • the conductor portion 6 has a plurality of bent portions 6c to 6g and 6c ′ to 6g ′ so as to be close to the electric wire 4, and the elastic member 7 has the bent portions 6f and 6g.
  • a wire spring that sandwiches a constricted portion formed by the bent portions 6f ′ and 6g ′. Therefore, in the first modification, a constricted portion is provided in the conductor portion 6 so as to approach the electric wire 4, and a path with low conductor resistance is always between the electric wire 4 and the terminal plate 5 as in the first embodiment. Can be ensured, heat generation can be prevented, and the reliability of electrical connection can be improved.
  • the conductor portion 6 has a plurality of bent portions 6i to 6o, 6i ′, 6j ′, 6m ′, 6n ′, and 6o ′ so as to increase the contact surface with the electric wire 4. Further, as shown in FIG. 6, three contact surfaces 4b to 4d are formed between the electric wire 4 and the core wire 4a. Therefore, in this modification, in addition to the effect of the first embodiment, the area where the conductor portion 6 contacts the electric wire 4 can be increased.
  • FIGS. 7 (a) and 7 (b) A fourth modification of the first embodiment will be described with reference to FIGS. 7 (a) and 7 (b).
  • the conductor portion 6 has locking portions (returns) 6p and 6p ′ that lock the electric wire 4 by biting into the movement in the direction in which the electric wire 4 is extracted. Therefore, in this modified example, in addition to the effect of the first embodiment, the electric wire 4 can be locked by the locking portions 6p and 6p ′, and the holding force against the pulling of the electric wire 4 due to external pressure can be increased.
  • the conductor portion 6 has a plurality of bent portions 6r, 6s, 6r ′, 6s ′ so that the contact portion with the wire 4 becomes the lock portions 6q, 6q ′ for locking the wire 4. is doing.
  • the elastic member 7 is formed of an elastic material having a high stress limit value such as stainless steel, has a shape that does not contact the electric wire 4 and surrounds the outside of the conductor portion 6. For this reason, in this modified example, in addition to the effect of the first embodiment, the locking portions 6q and 6q ′ can be hooked to the electric wire 4 and the holding force against the pulling of the electric wire 4 can be increased.
  • a locking part is provided in the part of the electric wire insertion port 3a through which the electric wire 4 of the terminal storage chamber 3 is inserted.
  • This locking part is formed with, for example, a cylindrical edge member 10 having a protruding piece 10a for locking the electric wire 4 on the inner surface, or a through hole 11a of the electric wire 4, and the electric wire is chained by the through hole 11a. It is comprised by the lock spring 11 to lock.
  • the electric wire connecting terminal 1 has a hooking structure to the electric wire 4 by the edge member 10 or the lock spring 11 at the portion of the electric wire insertion port 3a.
  • the holding force against the tension of the electric wire 4 can be increased.
  • the conductor portion 6 has a base end portion 6t and an arm-like portion 6u extending from both ends so as to sandwich the electric wire 4, and is formed in a substantially U shape, and the base end portion 6t An insertion port 6v into which the electric wire 4 is inserted is formed. That is, it is arranged so that the vertical direction in the figure is opposite to the conductor portion 6 of the first embodiment.
  • the conductor portion 12 is formed in a substantially U shape, and sandwiches the electric wire 4 in a direction orthogonal to the length direction L of the electric wire 4.
  • the elastic member 7 is a leaf spring that presses the conductor portion 12 from the outside in order to hold the electric wire 4 by the conductor portion 12.
  • Embodiment 2 A wire connection terminal according to Embodiment 2 of the present invention will be described with reference to FIG.
  • symbol is attached
  • the conductor portion 15 is made of an elastic plate material that applies a pressing force to the electric wire, and has a lock portion 15a that bites into the electric wire 4.
  • the elastic member 16 further serves as an auxiliary leaf spring for assisting the pressing force applied to the electric wire 4 by the conductor portion 15.
  • the electric wire connection terminal 1 includes a conductive path between the electric wire 4 and the terminal plate 5 and a conductive path between the electric wire 4, the conductor portion 15, and the terminal plate 5. Since these two conduction paths are provided, in the wire connection terminal 1, as in the first embodiment, a path with a low conductor resistance can always be secured between the wire 4 and the terminal plate 5, and heat generation is prevented. The reliability (safety) of electrical connection can be improved. Moreover, the locking part 15a enables the electric wire 4 to be caught, and the holding force against the external pressure of the electric wire 4 can be increased.
  • the terminal plate 5 includes an electric wire insertion port 5a for inserting the electric wire 4 and an extending portion 5b that is folded back at the electric wire insertion port 5a. Shape.
  • the terminal board 5 also serves as a conductor part.
  • the elastic member 17 has the locking part 17a which presses the extension part 5b in order to connect the electric wire 4 to the terminal board 5, and bites into an electric wire in the back
  • the electric wire connection terminal 1 according to the third embodiment can always ensure a path with low conductor resistance between the electric wire 4 and the terminal plate 5, as in the first embodiment. Reliability (safety) can be improved. Moreover, the locking part 17a enables the wire 4 to be hooked, and the holding force against the external pressure of the wire 4 can be increased.
  • the conductor portion is disposed between the pressing spring (elastic member) 18 and the electric wire 4 and electrically connects the electric wire 4 and the terminal plate 5.
  • the conductor plate 19 covers the lock portion of the pressing spring 18 with the conductor portion 19, so that the lock portion 19 a that locks the electric wire 4 by biting into the electric wire 4. Is provided by cutting and raising.
  • the conductor board 19 by providing the conductor board 19, the path
  • the conductor portion 21 has a cylindrical shape surrounding the electric wire 4 and has an opening 21 a that opens at a position in contact with the elastic member 20.
  • the elastic member 20 has a locking portion 20a that contacts the electric wire 4 through the opening 21a and bites into the electric wire 4.
  • the electric wire connection terminal 1 can always ensure a path with low conductor resistance between the electric wire 4 and the terminal plate 5 via the cylindrical conductor portion 21, and the reliability of electrical connection. (Safety) can be improved.
  • the locking portion 20 a of the elastic member 20 can be hooked to the electric wire 4, and the holding force against the external pressure of the electric wire 4 can be increased.

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Abstract

The purpose of the present invention is to stabilize the contact resistance between a cable and a terminal block in a cable connection terminal, improving the reliability of the electrical connection, as well as to achieve smaller size. The cable connection terminal (1) is therefore equipped with: a terminal block (5) formed from a conductive material; a conductor part (6) contacting the terminal block (5) and connected to a cable (4) so as to surround the cable (4); and a resilient member (7) for pressing the conductor part (6) from the outside so that the cable (4) can be sandwiched by the conductor part (6). Due to this feature, contact resistance between the cable (4) and the terminal block (5) is stabilized, improving the reliability of the electrical connection, and smaller size can be achieved.

Description

電線接続端子及びそれを備えた配線器具Electric wire connection terminal and wiring apparatus provided with the same
 本発明は、電線を端子板に接続するための電線接続端子、及びこの電線接続端子を備えた配線器具に関する。 The present invention relates to an electric wire connecting terminal for connecting an electric wire to a terminal plate, and a wiring device provided with the electric wire connecting terminal.
 従来より、電線接続端子を備えたコンセントやスイッチのような配線器具が、壁面などの設置面に設置され使用されている。例えば、図17に示す配線器具(スイッチ)30において、その器体は、図中下側のボディ31と、図中上側のカバー32とで構成される。ボディ31には、接点部33に接続される端子板34、挿入される電線35を端子板34に押付けて接触させるとともに電線35を機械的に保持する鎖錠ばね36、解除ボタン(図示せず)などで構成される電線接続端子37を収納する端子収納室38が設けられる。カバー32には、端子板34を押さえるリブ32aが設けられている。この端子収納室38の底面には、電線35の挿入口となる電線挿入口38aが開口している。 Conventionally, wiring devices such as outlets and switches equipped with electric wire connection terminals have been installed and used on installation surfaces such as walls. For example, in the wiring device (switch) 30 shown in FIG. 17, the container body includes a lower body 31 in the drawing and an upper cover 32 in the drawing. The body 31 has a terminal plate 34 connected to the contact portion 33, an inserted electric wire 35 pressed against the terminal plate 34, and a lock spring 36 that mechanically holds the electric wire 35, and a release button (not shown). ) And the like, a terminal storage chamber 38 for storing the wire connection terminal 37 is provided. The cover 32 is provided with a rib 32 a that presses the terminal plate 34. On the bottom surface of the terminal storage chamber 38, an electric wire insertion port 38a serving as an insertion port for the electric wire 35 is opened.
 電線接続端子37に電線35を接続する場合、最初に、接続する電線35の被覆を指定された長さにストリップして芯線35aを露出した後、電線35の芯線35aを電線挿入口38aに嵌めて押し込む。そして、電線35の芯線35aは、鎖錠ばね36をたわましながら進入し、その際、鎖錠ばね36のばね力によって芯線35aが端子板36に押し付けられると共に、鎖錠ばね36の端部が芯線35aに食い込んで電線35を鎖錠して電線35の接続が完了する。 When the electric wire 35 is connected to the electric wire connecting terminal 37, first, the covering of the electric wire 35 to be connected is stripped to a specified length to expose the core wire 35a, and then the core wire 35a of the electric wire 35 is fitted into the electric wire insertion port 38a. Push in. Then, the core wire 35a of the electric wire 35 enters while bending the locking spring 36. At this time, the core wire 35a is pressed against the terminal plate 36 by the spring force of the locking spring 36, and the end portion of the locking spring 36 Bites into the core wire 35a, locks the electric wire 35, and the connection of the electric wire 35 is completed.
 しかし、電線35の挿入が中途半端であったり、外圧など何らかの理由により電線35の芯線35aが端子板34から離された場合には、鎖錠ばね36から端子板34に通電する。鎖錠ばね36は、応力限界値を高くするためにステンレス材料などを用いて形成されるため導体抵抗が非常に高い。このため、鎖錠ばね36に通電した場合、発熱が大きく温度上昇が大きくなり、これにより配線器具30の寿命が短くなる虞がある。従って、配線器具30においては、安全性の確保のため、電線35と端子板34と間の導電性を確実に保つ必要がある。 However, when the insertion of the electric wire 35 is halfway, or when the core wire 35a of the electric wire 35 is separated from the terminal plate 34 for some reason such as external pressure, the terminal plate 34 is energized from the lock spring 36. Since the lock spring 36 is formed using a stainless material or the like in order to increase the stress limit value, the conductor resistance is very high. For this reason, when the lock spring 36 is energized, the heat generation is large and the temperature rises greatly, which may shorten the life of the wiring device 30. Therefore, in the wiring device 30, it is necessary to reliably maintain the conductivity between the electric wire 35 and the terminal plate 34 in order to ensure safety.
 このため、例えば、キャップ口開部から両溝部に挿入した電線端末をその溝孔で抱きしめ、確実且つ耐久的に導電する電線コネクタが開示されている(特許文献1参照)。また、導体内側にばねを有し、電線抜止め押圧手段を備える配線器具が開示されている(特許文献2参照)。 For this reason, for example, an electric wire connector is disclosed in which the electric wire terminals inserted into both groove portions from the cap opening portion are held by the groove holes and are reliably and durablely conductive (see Patent Document 1). In addition, a wiring device having a spring inside the conductor and provided with a wire pull-out pressing means is disclosed (see Patent Document 2).
特開2001-229992号公報JP 2001-229992 A 特開2004-228060号公報JP 2004-228060 A
 しかしながら、上記従来の電線接続端子37は、導電体である端子板34に電線35を、導体抵抗の高いステンレス材料の鎖錠ばね36で押圧する構造である。このため、外圧などにより電線35が端子板34から離された状態となった場合、電線35と端子板34との間の導体抵抗の低い経路を確保できない事態が生じ、電線接続端子37の発熱が大きくなり、寿命が短くなる虞がある。 However, the conventional electric wire connection terminal 37 has a structure in which the electric wire 35 is pressed against the terminal plate 34 which is a conductor by a lock spring 36 made of a stainless material having a high conductor resistance. For this reason, when the electric wire 35 is separated from the terminal plate 34 due to external pressure or the like, a situation in which a path with low conductor resistance between the electric wire 35 and the terminal plate 34 cannot be secured occurs, and the electric wire connection terminal 37 generates heat. May increase and the life may be shortened.
 また、従来の電線接続端子37は、端子板34に電線35をステンレス材料の鎖錠ばね36で押圧する構造である。このため、鎖錠ばね36の応力限界値を高く保つ必要があり、鎖錠ばね36の小型化には限度があり、ひいてはこの鎖錠ばね36を用いる電線接続端子37、及び電線接続端子37を備える配線器具30の小型化を実現できないという問題もある。 Further, the conventional electric wire connection terminal 37 has a structure in which the electric wire 35 is pressed against the terminal plate 34 by a lock spring 36 made of a stainless material. For this reason, it is necessary to keep the stress limit value of the lock spring 36 high, and there is a limit to downsizing of the lock spring 36. As a result, the electric wire connection terminal 37 and the electric wire connection terminal 37 using the lock spring 36 are provided. There also exists a problem that size reduction of the wiring appliance 30 provided is not realizable.
 本発明は、上記課題に鑑みてなされたものであり、電線と端子板との間の接触抵抗を安定して電気的接続の信頼性を向上させ、かつ小型化を図ることができる電線接続端子を提供することを目的とする。また、この電線接続端子を備える配線器具を提供することをも目的とする。 The present invention has been made in view of the above problems, and can stably reduce the contact resistance between an electric wire and a terminal plate, improve the reliability of electrical connection, and can be downsized. The purpose is to provide. Moreover, it aims at providing a wiring apparatus provided with this electric wire connection terminal.
 上記目的を達成するために本発明に係る電線接続端子は、導電材料により形成された端子板と、前記端子板に接触すると共に電線を囲むようにして電線と接続される導体部と、電線を前記導体部で狭持することができるように前記導体部を押圧する弾性部材と、を備えることを特徴とする。 In order to achieve the above object, an electric wire connecting terminal according to the present invention includes a terminal plate formed of a conductive material, a conductor portion that contacts the terminal plate and surrounds the electric wire, and is connected to the electric wire. And an elastic member that presses the conductor portion so that it can be held by the portion.
 この電線接続端子において、前記導体部は、電線に近づくようにくびれ部を有し、前記弾性部材は、前記導体部のくびれ部を挟み込む線ばねであることが好ましい。 In this wire connection terminal, it is preferable that the conductor portion has a constricted portion so as to approach the electric wire, and the elastic member is a wire spring that sandwiches the constricted portion of the conductor portion.
 この電線接続端子において、前記導体部は、電線の挿入方向先端側において、電線を貫通させる貫通孔を有することが好ましい。 In this electric wire connection terminal, it is preferable that the conductor portion has a through hole through which the electric wire penetrates at a distal end side in the electric wire insertion direction.
 この電線接続端子において、前記導体部には、電線との接触面を増やすように複数の折曲部を有することが好ましい。 In this wire connection terminal, the conductor portion preferably has a plurality of bent portions so as to increase the contact surface with the wire.
 この電線接続端子において、前記導体部は、電線が抜き出される方向への移動に対して電線に食い込む鎖錠部をさらに有することが好ましい。 In this electric wire connecting terminal, it is preferable that the conductor portion further has a locking portion that bites into the electric wire against movement in a direction in which the electric wire is extracted.
 この電線接続端子において、電線が抜き出される方向への移動に対して電線に食い込む鎖錠部を有し、前記弾性部材は、電線に接触することなく前記導体部の外側を囲む形状を有することが好ましい。 In this wire connection terminal, it has a lock portion that bites into the electric wire with respect to movement in the direction in which the wire is pulled out, and the elastic member has a shape surrounding the outside of the conductor portion without contacting the wire Is preferred.
 この電線接続端子において、前記電線接続端子への電線の挿入口部分に、電線が抜き出される方向への移動に対して電線に食い込むエッジ部材又は鎖錠ばねから成る鎖錠部を備えていることが好ましい。 In this electric wire connection terminal, a lock portion comprising an edge member or a lock spring that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted is provided at the insertion port portion of the electric wire to the electric wire connection terminal. Is preferred.
 この電線接続端子において、前記導体部は、基端部と、その両端から電線を挟み込むように伸びるアーム状部とを有し、前記基端部に電線が挿入される挿入口を有していることが好ましい。 In this electric wire connection terminal, the conductor portion has a base end portion and an arm-like portion extending so as to sandwich the electric wire from both ends thereof, and has an insertion port into which the electric wire is inserted into the base end portion. It is preferable.
 この電線接続端子において、電線の長さ方向に直交する方向で電線を挟み込み、前記弾性部材は、電線を前記導体部で狭持するため、前記導体部を外側から押圧する線ばねであることが好ましい。 In this wire connection terminal, the wire may be sandwiched in a direction orthogonal to the length direction of the wire, and the elastic member may be a wire spring that presses the conductor portion from the outside in order to hold the wire in the conductor portion. preferable.
 この電線接続端子において、前記弾性部材は、前記導体部を外側から押圧するコイルばねであることが好ましい。 In this wire connection terminal, the elastic member is preferably a coil spring that presses the conductor portion from the outside.
 この電線接続端子において、前記導体部は、電線への押圧力を付与する弾性を有する板材により構成され、かつ電線が抜き出される方向への移動に対して電線に食い込む鎖錠部を有し、前記弾性部材は、前記導体部による電線への押圧力を補助するための補助板ばねであることが好ましい。 In this electric wire connection terminal, the conductor portion is constituted by a plate material having elasticity that gives a pressing force to the electric wire, and has a lock portion that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted, The elastic member is preferably an auxiliary leaf spring for assisting the pressing force applied to the electric wire by the conductor portion.
 この電線接続端子において、前記端子板は、電線を挿入するための電線挿入口と、前記電線挿入口で折り返す延出部とを有し、電線を囲む形状とされて前記導体部を兼ね、前記弾性部材は、前記端子板に電線を接続するために前記延出部を押圧し、かつ前記電線挿入口の奥側で電線に食い込む鎖錠部を有することが好ましい。 In this electric wire connection terminal, the terminal plate has an electric wire insertion port for inserting an electric wire, and an extending portion that is folded back at the electric wire insertion port, and is configured to surround the electric wire and also serves as the conductor portion, The elastic member preferably has a locking portion that presses the extension portion to connect the electric wire to the terminal plate and bites into the electric wire on the back side of the electric wire insertion port.
 この電線接続端子において、前記導体部は、前記弾性部材と電線との間に配置され、電線と前記端子板とを電気的に接続する導体板であることが好ましい。 In the electric wire connection terminal, the conductor portion is preferably a conductor plate that is disposed between the elastic member and the electric wire and electrically connects the electric wire and the terminal plate.
 この電線接続端子において、前記導体部は、電線を囲む円筒形状を有し、かつ前記弾性部材と接触する位置において開口する開口部を有し、前記弾性部材は、前記開口部を通して電線と接触すると共に、電線に食い込む鎖錠部を有することが好ましい。 In the electric wire connection terminal, the conductor portion has a cylindrical shape surrounding the electric wire, and has an opening portion that opens at a position in contact with the elastic member, and the elastic member contacts the electric wire through the opening portion. At the same time, it is preferable to have a lock portion that bites into the electric wire.
 また、本発明に係る配線器具は、上記いずれかに記載の電線接続端子を備えることを特徴とする。 Moreover, a wiring device according to the present invention is characterized by including the wire connection terminal described above.
図1は、本発明の実施の形態1に係る電線接続端子を備えた配線器具の全体図である。FIG. 1 is an overall view of a wiring device provided with an electric wire connection terminal according to Embodiment 1 of the present invention. 図2は、前記配線器具の電線接続端子の断面図である。FIG. 2 is a cross-sectional view of the wire connection terminal of the wiring device. 図3は、前記電線接続端子に備わる導体部及び弾性部材の斜視図である。FIG. 3 is a perspective view of a conductor portion and an elastic member provided in the wire connection terminal. 図4は、同上実施の形態1の変形例1に係る電線接続端子の断面図である。FIG. 4 is a cross-sectional view of the wire connection terminal according to the first modification of the first embodiment. 図5は、同上実施の形態1の変形例2に係る電線接続端子の断面図である。FIG. 5 is a cross-sectional view of the wire connection terminal according to the second modification of the first embodiment. 図6は、同上実施の形態1の変形例3に係る電線接続端子の断面図である。FIG. 6 is a cross-sectional view of the wire connection terminal according to the third modification of the first embodiment. 図7(a)は、同上実施の形態1の変形例4に係る電線接続端子の断面図、図7(b)は、前記電線接続端子に備わる導体部の側面図である。Fig.7 (a) is sectional drawing of the electric wire connection terminal which concerns on the modification 4 of Embodiment 1 same as the above, FIG.7 (b) is a side view of the conductor part with which the said electric wire connection terminal is equipped. 図8は、同上実施の形態1の変形例5に係る電線接続端子の断面図である。FIG. 8 is a cross-sectional view of the wire connection terminal according to Modification 5 of Embodiment 1 described above. 図9(a)は、同上実施の形態1の変形例6に係る電線接続端子に備わるエッジ部材の上面図、図9(b)は、前記電線接続端子に備わる鎖錠ばねの斜視図である。Fig.9 (a) is a top view of the edge member with which the electric wire connection terminal which concerns on the modification 6 of Embodiment 1 same as the above is equipped, FIG.9 (b) is a perspective view of the lock spring provided with the said electric wire connection terminal. . 図10は、同上実施の形態1の変形例7に係る電線接続端子の断面図である。FIG. 10 is a cross-sectional view of the electric wire connection terminal according to the modified example 7 of the first embodiment. 図11(a)は、同上実施の形態1の変形例8に係る電線接続端子の断面図、図11(b)は、前記電線接続端子に備わる導体部及び弾性部材の斜視図である。Fig.11 (a) is sectional drawing of the electric wire connection terminal which concerns on the modification 8 of Embodiment 1 same as the above, FIG.11 (b) is a perspective view of the conductor part with which the said electric wire connection terminal is equipped, and an elastic member. 図12は、同上実施の形態1の変形例9に係る電線接続端子の断面図である。FIG. 12 is a cross-sectional view of the wire connection terminal according to Modification 9 of Embodiment 1 described above. 図13は、本発明の実施の形態2に係る電線接続端子の断面図である。FIG. 13 is a cross-sectional view of the wire connection terminal according to Embodiment 2 of the present invention. 図14は、本発明の実施の形態3に係る電線接続端子の断面図である。FIG. 14 is a cross-sectional view of the wire connection terminal according to Embodiment 3 of the present invention. 図15(a)は、本発明の実施の形態4に係る電線接続端子の断面図、図15(b)は、前記電線接続端子に備わる導体板の斜視図である。FIG. 15A is a cross-sectional view of an electric wire connection terminal according to Embodiment 4 of the present invention, and FIG. 15B is a perspective view of a conductor plate provided in the electric wire connection terminal. 図16は、本発明の実施の形態5に係る電線接続端子の断面図である。FIG. 16 is a cross-sectional view of a wire connecting terminal according to Embodiment 5 of the present invention. 図17は、従来の電線接続端子を備えた配線器具の全体図である。FIG. 17 is an overall view of a wiring device provided with a conventional wire connection terminal.
(実施の形態1)
 本発明の実施の形態1に係る電線接続端子に関して図面を参照して説明する。図1に示すように、電線接続端子1は、配線器具2の器体内の端子収納室3に収容され、配線器具2の器体はそれぞれ合成樹脂成型品からなるカバー2aとボディ2bとを結合して形成される。ボディ2bは、箱状に形成され、電線接続端子1を収納する端子収納室3,3´が両端側に設けられており、この端子収納室3,3´の底面には電線4を挿通するための電線挿入口3a,3a´が開口している。
(Embodiment 1)
The electric wire connection terminal according to Embodiment 1 of the present invention will be described with reference to the drawings. As shown in FIG. 1, the wire connection terminal 1 is housed in a terminal storage chamber 3 in the body of the wiring device 2, and the body of the wiring device 2 is coupled to a cover 2a and a body 2b each made of a synthetic resin molded product. Formed. The body 2b is formed in a box shape, and terminal storage chambers 3 and 3 'for storing the wire connection terminals 1 are provided on both ends. The electric wires 4 are inserted into the bottom surfaces of the terminal storage chambers 3 and 3'. Electric wire insertion openings 3a and 3a 'are opened.
 電線接続端子1は、端子板5、導体部6、及び導体部6を外側から押圧する弾性部材7を備える。端子板5は、導電性の良い銅や銅合金などで形成され、端子収納室3に隣接して配置されたスイッチ機構部8と導通されている。なお、スイッチ機構部8は端子収納室3´の端子部と導通された接点部を収納しており、配線器具2に設けられたスイッチをオン/オフすることで端子収納室3´に接続された電線と繋がっている照明器具などの負荷が制御される。 The electric wire connection terminal 1 includes a terminal plate 5, a conductor portion 6, and an elastic member 7 that presses the conductor portion 6 from the outside. The terminal plate 5 is made of copper or copper alloy having good conductivity, and is electrically connected to the switch mechanism unit 8 disposed adjacent to the terminal storage chamber 3. The switch mechanism unit 8 stores a contact portion that is electrically connected to the terminal portion of the terminal storage chamber 3 ′, and is connected to the terminal storage chamber 3 ′ by turning on / off a switch provided in the wiring device 2. The load of lighting fixtures connected to the electric wires is controlled.
 導体部6は、端子板5と同様に、銅や銅合金などの導電性の高い金属で成型され、端子板5と電気導通するように接触され、ボディ2bに係止固定される。導体部6は、図2及び図3に示すように、折り曲げられた複数の折曲部6a,6b,6a´,6b´を有し、本実施の形態1では電線4の芯線4aを囲むようにして略U字形状で形成される。なお、導体部6は、上記従来の電線接続端子に用いられているステンレス製の鎖錠ばねと比較して、応力限界値は低いが導電性が高いため、一方の内側面が電線4から離された場合でも、他方の内側面が必ず電線4と接触する。このため、常に相対抵抗の低い電線4と端子板5と間の通電経路を確保することができる。 Similarly to the terminal plate 5, the conductor portion 6 is molded from a highly conductive metal such as copper or copper alloy, is brought into contact with the terminal plate 5 so as to be electrically conductive, and is locked and fixed to the body 2b. As shown in FIGS. 2 and 3, the conductor portion 6 has a plurality of bent portions 6a, 6b, 6a ′, 6b ′. In the first embodiment, the conductor portion 6 surrounds the core wire 4a of the electric wire 4. It is formed in a substantially U shape. The conductor portion 6 has a lower stress limit value but higher conductivity than the stainless steel lock springs used for the above-described conventional wire connection terminals, so that one inner surface is separated from the wire 4. Even in such a case, the other inner surface always comes into contact with the electric wire 4. For this reason, it is always possible to ensure a current-carrying path between the electric wire 4 having a low relative resistance and the terminal plate 5.
 弾性部材7は、ステンレスなどの応力限界値の高い弾性材料で形成された線ばねなどの補助部材であり、ばね力によって導体部6を外側から押圧することで、電線4を導体部6に挟持できるようにして、電線4と導体部6との間を電気的に接続する。 The elastic member 7 is an auxiliary member such as a wire spring formed of an elastic material having a high stress limit value such as stainless steel, and the electric wire 4 is sandwiched between the electric conductor 4 by pressing the electric conductor 6 from the outside by a spring force. The electric wire 4 and the conductor part 6 are electrically connected as possible.
 次に、電源接続端子1へ電線4を接続する動作に関して図2を参照して説明する。最初に、電線挿入口3aから電線4の被覆が剥がされた芯線4aを挿入すると、芯線4aが導体部6の隙間に挿入される。この状態から、芯線4aが弾性部材7の弾性力を超えた力で押し込まれると、芯線4aの先端部が導体部6の内側上面に当接する。 Next, the operation of connecting the electric wire 4 to the power connection terminal 1 will be described with reference to FIG. First, when the core wire 4a from which the coating of the electric wire 4 is peeled off is inserted from the electric wire insertion port 3a, the core wire 4a is inserted into the gap of the conductor portion 6. From this state, when the core wire 4 a is pushed in with a force exceeding the elastic force of the elastic member 7, the tip end portion of the core wire 4 a comes into contact with the inner upper surface of the conductor portion 6.
このため、弾性部材7のばね力によって電線4が導体部6に挟持されることで芯線4aが電線接続端子1から脱落することが防止されると共に、導体部6の内側面が芯線4aに接触されることによって電線4と端子板5とが導通される。従って、ユーザは、電線挿入口3aに電線4を挿入する簡単な作業で、電線4を配線器具2に固定できると共に、電気的接続がなされる。 For this reason, while the electric wire 4 is clamped by the conductor part 6 with the spring force of the elastic member 7, it is prevented that the core wire 4a falls off from the electric wire connection terminal 1, and the inner surface of the conductor part 6 contacts the core wire 4a. By doing so, the electric wire 4 and the terminal board 5 are conducted. Therefore, the user can fix the electric wire 4 to the wiring device 2 and can be electrically connected by a simple operation of inserting the electric wire 4 into the electric wire insertion port 3a.
 以上の構成により、本実施の形態1に係る電線接続端子1では、外圧による電線4の曲げなどが生じ、電線4の芯線4aが、導体部6の一方の内側面から離された場合でも、導体部6の他方の内側面が必ず芯線4aと接触する。このため、電線接続端子1では、電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、電線4と端子板5との間の接触抵抗を安定化させ、発熱を防止して、電気的接続の信頼性(安全性)を向上できる。 With the above configuration, in the wire connection terminal 1 according to the first embodiment, bending of the wire 4 due to external pressure or the like occurs, and even when the core wire 4a of the wire 4 is separated from one inner surface of the conductor portion 6, The other inner surface of the conductor portion 6 is always in contact with the core wire 4a. For this reason, in the electric wire connection terminal 1, the path | route with low conductor resistance can always be ensured between the electric wire 4 and the terminal board 5, the contact resistance between the electric wire 4 and the terminal board 5 is stabilized, and heat_generation | fever is prevented. Thus, the reliability (safety) of the electrical connection can be improved.
 また、導体部6を弾性力の低い銅などで形成し、弾性部材7を用いて導体部6を外側から押圧して補助する構造であるため、導体部6の小型化を図り、ひいてはこの導体部6を用いる電線接続端子1や、電線接続端子1を備える配線器具2の小型化を実現できる。 In addition, since the conductor portion 6 is formed of copper or the like having a low elastic force and is supported by pressing the conductor portion 6 from the outside using the elastic member 7, the conductor portion 6 can be reduced in size, and the conductor Miniaturization of the wire connection terminal 1 using the part 6 and the wiring device 2 including the wire connection terminal 1 can be realized.
(第1の変形例)
 本実施の形態1の第1の変形例について、図4を参照して説明する。本変形例では、導体部6は、電線4に近づくような形状とするため、複数の折曲部6c~6g,6c´~6g´を有し、弾性部材7は、折曲部6f,6g、及び折曲部6f´,6g´で形成されたくびれ部を挟み込む線ばねである。従って、本変形例1では、導体部6にくびれ部を設けて電線4に近づく形状とし、上記実施の形態1と同様に、電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、発熱を防止し、電気的接続の信頼性を向上できる。
(First modification)
A first modification of the first embodiment will be described with reference to FIG. In the present modification, the conductor portion 6 has a plurality of bent portions 6c to 6g and 6c ′ to 6g ′ so as to be close to the electric wire 4, and the elastic member 7 has the bent portions 6f and 6g. And a wire spring that sandwiches a constricted portion formed by the bent portions 6f ′ and 6g ′. Therefore, in the first modification, a constricted portion is provided in the conductor portion 6 so as to approach the electric wire 4, and a path with low conductor resistance is always between the electric wire 4 and the terminal plate 5 as in the first embodiment. Can be ensured, heat generation can be prevented, and the reliability of electrical connection can be improved.
(第2の変形例)
 本実施の形態1の第2の変形例について、図5を参照して説明する。本変形例では、導体部6は、電線4の挿入方向先端側において、電線4を貫通させる貫通孔6hを有する。このため、本変形例では、上記実施の形態1の効果に加えて、電線4の固定を、より安定化できる。
(Second modification)
A second modification of the first embodiment will be described with reference to FIG. In the present modification, the conductor portion 6 has a through hole 6h that allows the electric wire 4 to pass therethrough on the distal end side in the insertion direction of the electric wire 4. For this reason, in this modification, in addition to the effect of the said Embodiment 1, the fixation of the electric wire 4 can be stabilized more.
(第3の変形例)
 本実施の形態1の第3の変形例について、図6を参照して説明する。本変形例では、導体部6は、電線4との接触面を増やすように複数の折曲部6i~6o,6i´,6j´,6m´,6n´,6o´を有する。また、図6に示すように、電線4の芯線4aとの間に3箇所の接触面4b~4dが形成されている。従って、本変形例では、上記実施の形態1の効果に加えて、導体部6が電線4に接触する面積を増やすことができる。
(Third Modification)
A third modification of the first embodiment will be described with reference to FIG. In this modification, the conductor portion 6 has a plurality of bent portions 6i to 6o, 6i ′, 6j ′, 6m ′, 6n ′, and 6o ′ so as to increase the contact surface with the electric wire 4. Further, as shown in FIG. 6, three contact surfaces 4b to 4d are formed between the electric wire 4 and the core wire 4a. Therefore, in this modification, in addition to the effect of the first embodiment, the area where the conductor portion 6 contacts the electric wire 4 can be increased.
(第4の変形例)
 本実施の形態1の第4の変形例について、図7(a)及び図7(b)を参照して説明する。本変形例では、導体部6は、電線4が抜き出される方向への移動に対して食い込むことで電線4を鎖錠する鎖錠部(返り)6p,6p´を有する。従って、本変形例では、上記実施の形態1の効果に加えて、鎖錠部6p,6p´により、電線4を鎖錠するようにし、外圧による電線4の引張りに対する保持力を増加できる。
(Fourth modification)
A fourth modification of the first embodiment will be described with reference to FIGS. 7 (a) and 7 (b). In the present modification, the conductor portion 6 has locking portions (returns) 6p and 6p ′ that lock the electric wire 4 by biting into the movement in the direction in which the electric wire 4 is extracted. Therefore, in this modified example, in addition to the effect of the first embodiment, the electric wire 4 can be locked by the locking portions 6p and 6p ′, and the holding force against the pulling of the electric wire 4 due to external pressure can be increased.
(第5の変形例)
 本実施の形態1の第5の変形例について、図8を参照して説明する。本変形例では、導体部6は、電線4との接触部分が電線4を鎖錠する鎖錠部6q,6q´となるように複数の折曲部6r,6s,6r´,6s´を有している。弾性部材7は、ステンレスなどの応力限界値の高い弾性材料で形成され、電線4に接触せず、かつ導体部6の外側を囲む形状を有する。このため、本変形例では、上記実施の形態1の効果に加えて、鎖錠部6q,6q´で電線4への引掛りを可能にし、電線4の引張りに対する保持力を増加できる。
(Fifth modification)
A fifth modification of the first embodiment will be described with reference to FIG. In this modification, the conductor portion 6 has a plurality of bent portions 6r, 6s, 6r ′, 6s ′ so that the contact portion with the wire 4 becomes the lock portions 6q, 6q ′ for locking the wire 4. is doing. The elastic member 7 is formed of an elastic material having a high stress limit value such as stainless steel, has a shape that does not contact the electric wire 4 and surrounds the outside of the conductor portion 6. For this reason, in this modified example, in addition to the effect of the first embodiment, the locking portions 6q and 6q ′ can be hooked to the electric wire 4 and the holding force against the pulling of the electric wire 4 can be increased.
(第6の変形例)
 本実施の形態1の第6の変形例について、図9を参照して説明する。本変形例では、端子収納室3の電線4が挿通される電線挿入口3aの部分に鎖錠部を設ける。この鎖錠部は、例えば、電線4を鎖錠するための突片10aを内側面に有する円筒形状のエッジ部材10、又は電線4の貫通孔11aが形成され、この貫通孔11aにより電線を鎖錠する鎖錠ばね11により構成される。このため、本変形例において電線接続端子1は、電線挿入口3aの部分で、エッジ部材10又は鎖錠ばね11により電線4への引掛り構造を有し、上記実施の形態1の効果に加えて、電線4の引張りに対する保持力を増加できる。
(Sixth Modification)
A sixth modification of the first embodiment will be described with reference to FIG. In this modification, a locking part is provided in the part of the electric wire insertion port 3a through which the electric wire 4 of the terminal storage chamber 3 is inserted. This locking part is formed with, for example, a cylindrical edge member 10 having a protruding piece 10a for locking the electric wire 4 on the inner surface, or a through hole 11a of the electric wire 4, and the electric wire is chained by the through hole 11a. It is comprised by the lock spring 11 to lock. For this reason, in this modification, the electric wire connecting terminal 1 has a hooking structure to the electric wire 4 by the edge member 10 or the lock spring 11 at the portion of the electric wire insertion port 3a. Thus, the holding force against the tension of the electric wire 4 can be increased.
(第7の変形例)
 本実施の形態1の第7の変形例について、図10を参照して説明する。本変形例では、導体部6は、基端部6tと、その両端から電線4を挟み込むように伸びるアーム状部6uとを有して略U字形状で形成されており、基端部6tに電線4が挿入される挿入口6vが形成される。すなわち、上記実施の形態1の導体部6とは図中上下方向が逆となるように配置される。この構成により、本変形例でも、上記実施の形態1と同様の効果を奏することができる。
(Seventh Modification)
A seventh modification of the first embodiment will be described with reference to FIG. In this modification, the conductor portion 6 has a base end portion 6t and an arm-like portion 6u extending from both ends so as to sandwich the electric wire 4, and is formed in a substantially U shape, and the base end portion 6t An insertion port 6v into which the electric wire 4 is inserted is formed. That is, it is arranged so that the vertical direction in the figure is opposite to the conductor portion 6 of the first embodiment. With this configuration, the same effects as those of the first embodiment can be obtained in this modified example.
(第8の変形例)
 本実施の形態1の第8の変形例について、図11を参照して説明する。本変形例では、導体部12は、略U字形状で形成されており、電線4の長さ方向Lに直交する方向で電線4を挟み込む。弾性部材7は、電線4を導体部12で狭持するため、導体部12を外側から押圧する板ばねである。このため、本変形例では、上記実施の形態1の効果に加えて、電線接続端子1を小型化することができ、ひいてはこの電線接続端子1を備える配線器具2の小型化を図ることが可能となる。
(Eighth modification)
An eighth modification of the first embodiment will be described with reference to FIG. In this modification, the conductor portion 12 is formed in a substantially U shape, and sandwiches the electric wire 4 in a direction orthogonal to the length direction L of the electric wire 4. The elastic member 7 is a leaf spring that presses the conductor portion 12 from the outside in order to hold the electric wire 4 by the conductor portion 12. For this reason, in this modification, in addition to the effect of the first embodiment, the wire connection terminal 1 can be reduced in size, and as a result, the wiring device 2 including the wire connection terminal 1 can be reduced in size. It becomes.
(第9の変形例)
 本実施の形態1の第9の変形例について、図12を参照して説明する。本変形例では、導体部6は、電線4を囲む形状とするため、複数の折曲部を有し、弾性部材13,14は、導体部6を外側(電線と接する側の反対側)から押圧するコイルばねとなる。この構成により、本変形例においても上記実施の形態1と同様の効果を奏する。
(Ninth Modification)
A ninth modification of the first embodiment will be described with reference to FIG. In the present modification, the conductor portion 6 has a plurality of bent portions so as to surround the electric wire 4, and the elastic members 13 and 14 have the conductor portion 6 on the outside (opposite the side in contact with the electric wire). The coil spring is pressed. With this configuration, the same effects as those of the first embodiment can be obtained in the present modification.
(実施の形態2)
 本発明の実施の形態2に係る電線接続端子について、図13を参照して説明する。なお、上記実施の形態1に係る電線接続端子と同様の構成には同一の符号を付し、その詳細な説明は省略する(以下同様)。
(Embodiment 2)
A wire connection terminal according to Embodiment 2 of the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the structure similar to the electric wire connection terminal which concerns on the said Embodiment 1, and the detailed description is abbreviate | omitted (the following is same).
 本実施の形態2に係る電線接続端子1において、導体部15は、電線への押圧力を付与する弾性を有する板材により構成され、かつ電線4に食い込む鎖錠部15aを有する。弾性部材16は、さらに導体部15による電線4への押圧力を補助するための補助板ばねとなる。 In the electric wire connection terminal 1 according to the second embodiment, the conductor portion 15 is made of an elastic plate material that applies a pressing force to the electric wire, and has a lock portion 15a that bites into the electric wire 4. The elastic member 16 further serves as an auxiliary leaf spring for assisting the pressing force applied to the electric wire 4 by the conductor portion 15.
 この構成により、本実施の形態2に係る電線接続端子1は、電線4と端子板5と間の導電経路、及び電線4と導体部15と端子板5との間の導通経路とを備える。この2つの導通経路を備えるため、電線接続端子1では、上記実施の形態1と同様に、電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、発熱を防止して、電気的接続の信頼性(安全性)を向上できる。また、鎖錠部15aにより電線4の引掛りを可能にし、電線4の外圧に対する保持力を増加できる。 With this configuration, the electric wire connection terminal 1 according to the second embodiment includes a conductive path between the electric wire 4 and the terminal plate 5 and a conductive path between the electric wire 4, the conductor portion 15, and the terminal plate 5. Since these two conduction paths are provided, in the wire connection terminal 1, as in the first embodiment, a path with a low conductor resistance can always be secured between the wire 4 and the terminal plate 5, and heat generation is prevented. The reliability (safety) of electrical connection can be improved. Moreover, the locking part 15a enables the electric wire 4 to be caught, and the holding force against the external pressure of the electric wire 4 can be increased.
(実施の形態3)
 本発明の実施の形態3に係る電線接続端子について、図14を参照して説明する。本実施の形態3に係る電線接続端子1において、端子板5は、電線4を挿入するための電線挿入口5aと、電線挿入口5aで折り返す延出部5bとを有し、電線4で囲まれる形状となる。端子板5が導体部の機能を兼ねている。また、弾性部材17は、端子板5に電線4を接続するために延出部5bを押圧し、かつ電線挿入口5aの奥側で電線に食い込む鎖錠部17aを有する。
(Embodiment 3)
A wire connection terminal according to Embodiment 3 of the present invention will be described with reference to FIG. In the electric wire connection terminal 1 according to the third embodiment, the terminal plate 5 includes an electric wire insertion port 5a for inserting the electric wire 4 and an extending portion 5b that is folded back at the electric wire insertion port 5a. Shape. The terminal board 5 also serves as a conductor part. Moreover, the elastic member 17 has the locking part 17a which presses the extension part 5b in order to connect the electric wire 4 to the terminal board 5, and bites into an electric wire in the back | inner side of the electric wire insertion port 5a.
 この構成により、本実施の形態3に係る電線接続端子1は、上記実施の形態1と同様に、電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、電気的接続の信頼性(安全性)を向上できる。また、鎖錠部17aにより電線4の引掛りを可能にし、電線4の外圧に対する保持力を増加できる。 With this configuration, the electric wire connection terminal 1 according to the third embodiment can always ensure a path with low conductor resistance between the electric wire 4 and the terminal plate 5, as in the first embodiment. Reliability (safety) can be improved. Moreover, the locking part 17a enables the wire 4 to be hooked, and the holding force against the external pressure of the wire 4 can be increased.
(実施の形態4)
 本発明の実施の形態4に係る電線接続端子について、図15を参照して説明する。本実施の形態4に係る電線接続端子1においては、導体部は、押圧ばね(弾性部材)18と電線4との間に配置され、電線4と端子板5とを電気的に接続する導体板19となる。また、導体板19は、図15(b)に示すように、押圧ばね18の鎖錠部を導体部19で覆ってしまうため、電線4に食い込むことによって電線4を鎖錠する鎖錠部19aが切り起こしで設けられる。
(Embodiment 4)
A wire connection terminal according to Embodiment 4 of the present invention will be described with reference to FIG. In the electric wire connection terminal 1 according to the fourth embodiment, the conductor portion is disposed between the pressing spring (elastic member) 18 and the electric wire 4 and electrically connects the electric wire 4 and the terminal plate 5. 19 Further, as shown in FIG. 15B, the conductor plate 19 covers the lock portion of the pressing spring 18 with the conductor portion 19, so that the lock portion 19 a that locks the electric wire 4 by biting into the electric wire 4. Is provided by cutting and raising.
 このため、本実施の形態4では、導体板19を備えることで電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、電気的接続の信頼性(安全性)を向上できる。また、鎖錠部19aにより電線4の引掛りを可能にし、電線4の外圧に対する保持力を増加できる。 For this reason, in this Embodiment 4, by providing the conductor board 19, the path | route with low conductor resistance can always be ensured between the electric wire 4 and the terminal board 5, and the reliability (safety) of an electrical connection can be improved. . Moreover, the locking part 19a enables the wire 4 to be caught, and the holding force against the external pressure of the wire 4 can be increased.
(実施の形態5)
 本発明の実施の形態5に係る電線接続端子について、図16を参照して説明する。本実施の形態5に係る電線接続端子1において、導体部21は、電線4を囲む円筒形状を有し、かつ弾性部材20と接触する位置において開口する開口部21aを有する。弾性部材20は、開口部21aを通して電線4と接触すると共に、電線4に食い込む鎖錠部20aを有する。
(Embodiment 5)
A wire connection terminal according to Embodiment 5 of the present invention will be described with reference to FIG. In the electric wire connection terminal 1 according to the fifth embodiment, the conductor portion 21 has a cylindrical shape surrounding the electric wire 4 and has an opening 21 a that opens at a position in contact with the elastic member 20. The elastic member 20 has a locking portion 20a that contacts the electric wire 4 through the opening 21a and bites into the electric wire 4.
 このため、本実施の形態4に係る電線接続端子1は、円筒形状の導体部21を介して電線4と端子板5との間に導体抵抗の低い経路が常に確保でき、電気的接続の信頼性(安全性)を向上できる。また、導体部21に開口部21aを設けることで弾性部材20の鎖錠部20aでの電線4への引掛りを可能にし、電線4の外圧に対する保持力を増加できる。なお、本発明は、上記実施の形態の構成に限られず、発明の趣旨を変更しない範囲で種々の変形が可能である。 For this reason, the electric wire connection terminal 1 according to the fourth embodiment can always ensure a path with low conductor resistance between the electric wire 4 and the terminal plate 5 via the cylindrical conductor portion 21, and the reliability of electrical connection. (Safety) can be improved. In addition, by providing the opening 21 a in the conductor portion 21, the locking portion 20 a of the elastic member 20 can be hooked to the electric wire 4, and the holding force against the external pressure of the electric wire 4 can be increased. The present invention is not limited to the configuration of the embodiment described above, and various modifications can be made without departing from the spirit of the invention.

Claims (15)

  1.  導電材料により形成された端子板と、
     前記端子板に接触すると共に電線を囲むようにして電線と接続される導体部と、
     電線を前記導体部で狭持することができるように前記導体部を押圧する弾性部材と、を備えることを特徴とする電線接続端子。
    A terminal board formed of a conductive material;
    A conductor portion that contacts the terminal plate and is connected to the electric wire so as to surround the electric wire;
    An electric wire connection terminal comprising: an elastic member that presses the conductor portion so that the electric wire can be held between the conductor portions.
  2.  前記導体部は、電線に近づくようにくびれ部を有し、
     前記弾性部材は、前記導体部のくびれ部を挟み込む線ばねである、ことを特徴とする請求項1記載の電線接続端子。
    The conductor portion has a constricted portion so as to approach the electric wire,
    The wire connecting terminal according to claim 1, wherein the elastic member is a wire spring that sandwiches a constricted portion of the conductor portion.
  3.  前記導体部は、電線の挿入方向先端側において、電線を貫通させる貫通孔を有する、ことを特徴とする請求項1又は2記載の電線接続端子。 3. The electric wire connecting terminal according to claim 1, wherein the conductor portion has a through hole through which the electric wire penetrates at a distal end side in the electric wire insertion direction.
  4.  前記導体部は、電線との接触面を増やすように複数の折曲部を有する、ことを特徴とする請求項1記載の電線接続端子。 The electric wire connection terminal according to claim 1, wherein the conductor portion has a plurality of bent portions so as to increase a contact surface with the electric wire.
  5.  前記導体部は、電線が抜き出される方向への移動に対して電線に食い込む鎖錠部をさらに有する、ことを特徴とする請求項1又は2に記載の電線接続端子。 3. The electric wire connecting terminal according to claim 1, wherein the conductor portion further includes a locking portion that bites into the electric wire with respect to movement in a direction in which the electric wire is extracted.
  6.  前記導体部は、電線が抜き出される方向への移動に対して電線に食い込む鎖錠部を有し、
     前記弾性部材は、電線に接触することなく前記導体部の外側を囲む形状を有する、ことを特徴とする請求項1記載の電線接続端子。
    The conductor portion has a lock portion that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted,
    The wire connecting terminal according to claim 1, wherein the elastic member has a shape surrounding the outside of the conductor without contacting the wire.
  7.  前記電線接続端子への電線の挿入口部分に、電線が抜き出される方向への移動に対して電線に食い込むエッジ部材又は鎖錠ばねから成る鎖錠部を備えている、ことを特徴とする請求項1又は2に記載の電線接続端子。 The insertion portion of the electric wire to the electric wire connection terminal is provided with a locking portion made of an edge member or a locking spring that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted. Item 3. A wire connection terminal according to item 1 or 2.
  8.  前記導体部は、基端部と、その両端から電線を挟み込むように伸びるアーム状部とを有し、前記基端部に電線が挿入される挿入口を有している、ことを特徴とする請求項1又は2に記載の電線接続端子。 The conductor portion has a base end portion and an arm-shaped portion extending so as to sandwich the electric wire from both ends thereof, and has an insertion port into which the electric wire is inserted into the base end portion. The electric wire connection terminal according to claim 1 or 2.
  9.  前記導体部は、電線の長さ方向に直交する方向で電線を挟み込み、
     前記弾性部材は、電線を前記導体部で狭持するため、前記導体部を外側から押圧する線ばねである、ことを特徴とする請求項1記載の電線接続端子。
    The conductor portion sandwiches the electric wire in a direction orthogonal to the length direction of the electric wire,
    The wire connecting terminal according to claim 1, wherein the elastic member is a wire spring that presses the conductor portion from the outside in order to hold the wire between the conductor portions.
  10.  前記弾性部材は、前記導体部を外側から押圧するコイルばねである、ことを特徴とする請求項1記載の電線接続端子。 The electric wire connecting terminal according to claim 1, wherein the elastic member is a coil spring that presses the conductor portion from the outside.
  11.  前記導体部は、電線への押圧力を付与する弾性を有する板材により構成され、かつ電線が抜き出される方向への移動に対して電線に食い込む鎖錠部を有し、
     前記弾性部材は、前記導体部による電線への押圧力を補助するための補助板ばねである、ことを特徴とする請求項1記載の電線接続端子。
    The conductor portion is composed of a plate material having elasticity that gives a pressing force to the electric wire, and has a lock portion that bites into the electric wire with respect to movement in the direction in which the electric wire is extracted,
    The wire connecting terminal according to claim 1, wherein the elastic member is an auxiliary leaf spring for assisting a pressing force to the electric wire by the conductor portion.
  12.  前記端子板は、電線を挿入するための電線挿入口と、前記電線挿入口で折り返す延出部とを有し、電線を囲む形状とされて前記導体部を兼ね、
     前記弾性部材は、前記端子板に電線を接続するために前記延出部を押圧し、かつ前記電線挿入口の奥側で電線に食い込む鎖錠部を有する、ことを特徴とする請求項1記載の電線接続端子。
    The terminal plate has an electric wire insertion port for inserting an electric wire, and an extended portion that is folded back at the electric wire insertion port, and is also shaped to surround the electric wire, and also serves as the conductor portion,
    The said elastic member has a lock | rock part which presses the said extension part in order to connect an electric wire to the said terminal board, and bites into an electric wire in the back | inner side of the said electric wire insertion port. Wire connection terminal.
  13.  前記導体部は、前記弾性部材と電線との間に配置され、電線と前記端子板とを電気的に接続する導体板である、ことを特徴とする請求項1記載の電線接続端子。 2. The electric wire connecting terminal according to claim 1, wherein the conductor portion is a conductive plate that is disposed between the elastic member and the electric wire and electrically connects the electric wire and the terminal plate.
  14.  前記導体部は、電線を囲む円筒形状を有し、かつ前記弾性部材と接触する位置において開口する開口部を有し、
     前記弾性部材は、前記開口部を通して電線と接触すると共に、電線に食い込む鎖錠部を有する、ことを特徴とする請求項1記載の電線接続端子。
    The conductor portion has a cylindrical shape surrounding the electric wire, and has an opening that opens at a position in contact with the elastic member,
    The wire connecting terminal according to claim 1, wherein the elastic member has a locking portion that contacts the electric wire through the opening and bites into the electric wire.
  15.  請求項1記載の電線接続端子を備えることを特徴とする配線器具。 A wiring device comprising the electric wire connection terminal according to claim 1.
PCT/JP2012/006911 2011-11-18 2012-10-29 Cable connection terminal and wiring fixture equipped with same WO2013073118A1 (en)

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JP2011-253015 2011-11-18
JP2011253015A JP5884078B2 (en) 2011-11-18 2011-11-18 Electric wire connection terminal and wiring apparatus provided with the same

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WO2013073118A1 true WO2013073118A1 (en) 2013-05-23

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PCT/JP2012/006911 WO2013073118A1 (en) 2011-11-18 2012-10-29 Cable connection terminal and wiring fixture equipped with same

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TW (1) TWI487220B (en)
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FR3029697A1 (en) * 2014-12-05 2016-06-10 Legrand France ELECTRICAL CONNECTION ELEMENT WITH INSULATING SHEATH DRILLING COMPRISING A SPRING, ELECTRICAL CONNECTION TERMINAL AND ELECTRICAL EQUIPMENT THEREFOR
WO2022124236A1 (en) * 2020-12-11 2022-06-16 株式会社オートネットワーク技術研究所 Female terminal

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CN104319517A (en) * 2014-11-24 2015-01-28 北京维森科技有限公司 Electric connection plug bush structure and electric connection device
CN108649364A (en) * 2018-05-09 2018-10-12 浙江工贸职业技术学院 A kind of clamping unit of electric connection terminal

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JPS402588Y1 (en) * 1964-06-05 1965-01-25
JPS4897682U (en) * 1972-02-21 1973-11-19
JPH11204159A (en) * 1998-01-12 1999-07-30 Mitsutoshi Watanabe Power source cable connecting device
JP2001229992A (en) * 2000-02-18 2001-08-24 Kawaguchi:Kk Cable connector
JP2004228060A (en) * 2002-11-26 2004-08-12 Matsushita Electric Works Ltd Wiring accessories
JP2005019199A (en) * 2003-06-26 2005-01-20 Terasaki Electric Co Ltd Terminal device
JP2007027033A (en) * 2005-07-21 2007-02-01 Mitsutoshi Watanabe Flat connector for large electric power supply

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JPS402588Y1 (en) * 1964-06-05 1965-01-25
JPS4897682U (en) * 1972-02-21 1973-11-19
JPH11204159A (en) * 1998-01-12 1999-07-30 Mitsutoshi Watanabe Power source cable connecting device
JP2001229992A (en) * 2000-02-18 2001-08-24 Kawaguchi:Kk Cable connector
JP2004228060A (en) * 2002-11-26 2004-08-12 Matsushita Electric Works Ltd Wiring accessories
JP2005019199A (en) * 2003-06-26 2005-01-20 Terasaki Electric Co Ltd Terminal device
JP2007027033A (en) * 2005-07-21 2007-02-01 Mitsutoshi Watanabe Flat connector for large electric power supply

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3029697A1 (en) * 2014-12-05 2016-06-10 Legrand France ELECTRICAL CONNECTION ELEMENT WITH INSULATING SHEATH DRILLING COMPRISING A SPRING, ELECTRICAL CONNECTION TERMINAL AND ELECTRICAL EQUIPMENT THEREFOR
WO2022124236A1 (en) * 2020-12-11 2022-06-16 株式会社オートネットワーク技術研究所 Female terminal
JP7402435B2 (en) 2020-12-11 2023-12-21 株式会社オートネットワーク技術研究所 female terminal

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TW201340508A (en) 2013-10-01
JP5884078B2 (en) 2016-03-15
JP2013109918A (en) 2013-06-06

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