JP2017004630A - Connector device for relaying, and method of connecting electric wire and connector device for relaying - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a contact from coming off from an insulator, even when electric wires to be connected with a pressure contact connector for relaying are individually and sequentially brought into pressure contact, namely, when the electric wires are not simultaneously brought into pressure contact.SOLUTION: In a connector device for relaying 10, an insulator 31 includes a bottom face (pressure contact terminal supporting face) 31c that is in contact with one of the front and rear faces (regulation surface) 33f of a substrate part 33a of a contact (pressure contact terminal) 33 and opens the other face (non-regulation surface) 33g. The other face (non-regulation surface) 33g of the contact (pressure contact terminal) 33 serves as a surface 33i to be regulated by a terminal come-out prevention jig 90 when a first electric wire 95 is brought into pressure contact with an electric wire holding piece 33b extending to the other face (non-regulation surface) 33g.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a relay connector device and a method for connecting the relay connector device to an electric wire.

  For example, Patent Document 1 discloses a connector device (relay connector device) including a press-contact terminal (contact) for relay that press-contacts each of different electric wires (cables) to electrically connect the wires. There is something. In the relay connector device of Patent Document 1, the contact includes a board portion and a pair of electric wire clamping pieces suspended from both ends of the board portion (see FIG. 2A of Patent Document 1). . The pair of electric wire holding pieces are provided on the substrate portion with a phase difference of 90 ° from each other, and each electric wire holding piece has a slit press-contacting with one electric wire.

  Then, by inserting the electric wire holding piece on one side of the contact into a synthetic resin sheet member (insulator), the contact is fixed in a state where one surface of the substrate portion is in contact with the sheet member. In this fixed state, the electric connection between the electric wires can be established and relayed by simultaneously pressing the electric wires to the electric wire holding pieces.

JP-A-3-266376

  By the way, the timing which press-contacts two electric wires which are connection objects to a connector apparatus may differ. For example, one wire and connector are pressed in the first manufacturer or the previous process, and after being transferred to the second manufacturer, or in the subsequent process, these connected objects and the other wire are pressed. You may need to do it.

  In this way, when the pressure contact process is performed separately by the electric wires to be connected, and the order is generated, the direction in which the contact is inserted into the insulator when the pressure contact process is first performed on one of the electric wire holding pieces inserted into the insulator. Is pressed by the electric wire in the opposite direction side, that is, a force due to press contact is applied in a direction in which the contact is removed from the insulator. For this reason, the contact may come off from the insulator.

  The present invention has been made in view of the above, and the contact is detached from the insulator even when the pressure contact is separately performed by the wire to be connected by the relay pressure contact connector and the order is generated, that is, the case where the contact is not simultaneous pressure contact. It is an object of the present invention to obtain a relay connector device and a method for connecting the relay connector device to an electric wire, which can prevent the occurrence of the failure.

  In one aspect, the relay connector device of the present invention includes a press contact terminal having a board portion and a pair of electric wire clamping pieces that rise in the opposite direction from the board portion; and an insulator that supports the press contact terminal. In the connector device, the insulator has a press contact terminal support surface that contacts a restriction surface on one surface of the front and back surfaces of the substrate portion of the press contact terminal and opens a non-restriction surface on the other surface; When the electric wire is press-contacted to the electric wire holding piece extending to the regulating surface side, it becomes a regulated surface by a terminal removal preventing jig.

  The insulator opens into the pressure contact terminal support surface, receives an insertion hole portion for inserting one wire holding piece of the pressure contact terminal, and receives the substrate portion and the other wire clamp piece, and the pressure contact terminal support surface as a bottom surface. You may have the storage recessed part to do.

  In the relay connector device, the press contact terminal includes two of the pair of wire clamping pieces; and the press contact terminal includes a pair of press contact terminal halves having the same shape, and each press contact terminal half And a half board portion and a wire holding piece extending in opposite directions from both ends of the half board portion.

  The insulator is provided with a cover that presses the electric wire against the electric wire sandwiching piece of the double-sided crimp terminal, and the cover has a sandwiching piece projecting hole into which the tip of the electric wire sandwiching piece of the press contact terminal is fitted. It may be formed.

  In one aspect of the method for connecting a relay connector device to an electric wire according to the present invention, a pressure contact terminal having a substrate portion and a pair of wire clamping pieces rising in the opposite direction from the substrate portion; and supporting the pressure contact terminal In the relay connector device having the insulator, the substrate portion is regulated on the pressure contact terminal supporting surface of the insulator that contacts the regulation surface on one surface of the substrate portion of the pressure contact terminal and opens the non-regulated surface on the other surface. A regulating surface of the substrate part in a state where the terminal part is brought into contact with the non-regulating surface and the board part is sandwiched between the terminal coming-out prevention jig and the pressure contact terminal support surface. Pressure-contacting the first electric wire to the first electric wire holding piece extending to the side; and the second electric wire holding piece extending to the non-regulating surface side of the substrate portion in a state where the terminal disconnection prevention jig is removed, The screw that presses the second wire It characterized by having a;-up.

  According to one aspect of the present invention, the contact is detached from the insulator even when it is necessary to perform the pressure welding work separately by the electric wires to be connected by the connector and to provide an order, that is, even when it is not simultaneous pressure welding. In addition, it is possible to obtain a relay connector device and a method of connecting the relay connector device to an electric wire, which can easily prevent pressure contact in a subsequent process.

It is a disassembled perspective view of the connector apparatus for relay of 1st Embodiment. It is a disassembled perspective view of the connector apparatus for relay of 1st Embodiment. It is AA arrow sectional drawing of the connector shown in FIG. It is a disassembled perspective view of the connector shown in FIG. It is a perspective view which shows a contact. It is a BB arrow sectional view of Drawing 4. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 1st Embodiment, and a 1st electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 1st Embodiment, and a 1st electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 1st Embodiment, and a 2nd electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 1st Embodiment, and a 2nd electric wire. It is CC sectional view taken on the line of FIG. It is DD sectional view taken on the line of FIG. It is a disassembled perspective view of the connector apparatus for relay of 2nd Embodiment. It is a disassembled perspective view of the connector apparatus for relay of 2nd Embodiment. It is EE arrow sectional drawing of the connector shown in FIG. FIG. 14 is an exploded perspective view of the connector shown in FIG. 13. It is a perspective view which shows a contact. It is a perspective view which shows a contact half body. It is FF arrow sectional drawing of FIG. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 2nd Embodiment, and a 1st electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 2nd Embodiment, and a 1st electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 2nd Embodiment, and a 2nd electric wire. It is a figure where it uses for description of the connection method of the connector apparatus for relay of 2nd Embodiment, and a 2nd electric wire. It is GG arrow sectional drawing of FIG. It is HH arrow sectional drawing of FIG.

  Hereinafter, embodiments of a relay connector device and a method of connecting a relay connector device to an electric wire according to the present invention will be described in detail with reference to the drawings. In addition, the connection method of the relay connector apparatus which this application discloses, and the relay connector apparatus with an electric wire is not limited by this embodiment. Moreover, the same code | symbol is attached | subjected to the structure which has the same function in embodiment, and the overlapping description is abbreviate | omitted. The directions in the following description (front, back, top, bottom, left, right) are based on the directions of the arrow lines described in the figure.

<< First Embodiment >>
[Configuration example of relay connector device]
1 and 2 are exploded perspective views of the relay connector device of the first embodiment. FIG. 3 is a cross-sectional view of the connector shown in FIG. FIG. 4 is an exploded perspective view of the connector shown in FIG. FIG. 5 is a perspective view showing a contact. 6 is a cross-sectional view taken along line BB in FIG.

  As illustrated in FIGS. 1 and 2, the relay connector device 10 according to the first embodiment includes a connector 30, and an upper cover 50 and a lower cover 70 that sandwich the connector 30 vertically. The box-type relay connector device 10 is configured by fitting (merging) the upper cover 50 and the lower cover 70 with the connector 30 in between (contained in connector housing portions 50d and 70d described later). .

  As shown in FIGS. 3 and 4, the connector 30 includes an insulator 31 and a plurality of contacts (pressure contact terminals) 33 supported by the insulator 31. As shown in FIG. 5, each contact 33 is made of a crank-shaped band-shaped metal material formed by stamping, and has a substrate portion 33a and a pair of electric wire holding pieces 33b. A pair of locking projections 33c projecting in the left-right direction is provided at the center in the front-rear direction of the substrate portion 33a. The pair of locking projections 33c are locked to a pair of contact locking walls 31e of an insulator 31 described later.

  The pair of electric wire holding pieces 33b rises in the vertical direction (opposite direction) with the both ends in the front-rear direction of the board portion 33a as the base ends, and slits 33d are provided at the tip portions. That is, each electric wire clamping piece 33b is formed with a bifurcated portion 33h at the tip by a slit 33d, and different connection target covered electric wires (electric wires 95 and 97 described later) are press-fitted into the bifurcated portion 33h of each electric wire holding piece 33b. As a result, the wires are electrically connected.

  In addition, a pair of guide protrusions 33e that protrude in the left-right direction are provided at the base end of each wire clamping piece 33b. The pair of guide protrusions 33e are inserted into guide grooves 31g of an insulator 31 to be described later.

  The insulator 31 is formed by injection molding a synthetic resin that is an insulating member, and has a substantially rectangular parallelepiped shape. The insulator 31 has a plurality of contact accommodating portions 31a that accommodate the contacts 33, respectively. As shown in FIG. 4, the plurality of contact accommodating portions 31 a are arranged in a staggered pattern in a plan view in the vertical direction (that is, in the front-rear and left-right planes). Here, in the first embodiment, for example, as shown in FIGS. 7 to 12, the connection object of the connector 30 (contact 33) is planar with a plurality of copper wires (conductors) spaced from each other by a predetermined interval (pitch). It is a strip-shaped cable (flat cable) bundled together. For this reason, in the insulator 31, the contact accommodating portions 31a are provided in the left-right direction at the same pitch as the conductor pitch of the flat cable, and two contact accommodating portions 31a are formed at a predetermined interval (pitch) in the front-rear direction with respect to each conductor. Yes. The positions of the two contact accommodating portions 31a are shifted by a half pitch in the front-rear direction between adjacent conductors. In other words, there are seven accommodating portion arrangement lines (virtual lines) with a predetermined interval (pitch) left and right in the insulator 31 and a predetermined interval (pitch) in the front-rear direction on each accommodating portion arrangement line. Two contact accommodating portions 31a exist with a gap. And between the adjacent accommodating part arrangement | positioning lines, the position of the two contact accommodating parts 31a has shifted | deviated by half pitch.

  Each contact accommodating part 31a has the accommodation recessed part 31b which accommodates the board | substrate part 33a of the contact 33, and one electric wire clamping piece 33b (FIGS. 4 and 6). The housing recess 31b opens to the upper surface of the insulator 31, and has a bottom surface (pressure contact terminal support surface) 31c at the bottom of the housing recess 31b. As shown in FIG. 6, the bottom surface (pressure contact terminal support surface) 31c supports and contacts the contact 33 by abutting against one surface (regulating surface) 33f of the front and back of the substrate portion 33a accommodated in the contact accommodating portion 31a. The position of 33 in the insertion direction (downward) is regulated. On the other hand, the other surface (non-regulating surface) 33g of the front and back surfaces of the substrate portion 33a is opened to the housing recess 31b.

  Each contact accommodating portion 31a has an insertion hole portion 31d that opens adjacent to the bottom surface (pressure contact terminal support surface) 31c and into which the other electric wire holding piece 33b of the contact 33 is inserted (FIG. 6). ). The insertion hole portion 31 d is also opened on the lower surface of the insulator 31. In other words, the insertion hole 31 d allows the storage recess 31 b and the lower outer space of the insulator 31 to communicate with each other.

  In addition, a pair of left and right side walls (contact locking walls) 31e of each contact accommodating portion 31a is provided with a pair of locking grooves 31f extending in the vertical direction. Each side wall (contact locking wall) 31e is further provided with two guide grooves 31g extending in the vertical direction so as to sandwich the locking groove 31f in the front-rear direction. When the contact 33 is inserted into the insulator 31 with the guide convex portion 33e inserted into the guide groove 31g from above and the locking convex portion 33c inserted into the locking groove 31f from above, the one surface (regulating surface) 33f side One electric wire holding piece 33b extending to the insertion hole portion 31d enters the insertion hole portion 31d, and the locking projection portion 33c gets over and holds the protrusion 31j provided in the middle of the locking groove 31f. Then, the substrate portion 33a is guided to the bottom surface (pressure contact terminal support surface) 31c, and one surface (regulation surface) 33f of the substrate portion 33a contacts the bottom surface (pressure contact terminal support surface) 31c (FIG. 6). At this time, the tip end portion of one electric wire holding piece 33b extending to the one surface (regulating surface) 33f side is exposed to the outside from the lower surface of the insulator 31, and the other electric wire holding piece 33b extending to the other surface (non-regulating surface) 33g side. The tip portion of the is exposed from the upper surface of the insulator 31 to the outside. Thereby, since the forked part 33f is arrange | positioned outside the upper surface and lower surface of the insulator 31, the press injection of the electric wire with respect to the forked part 33f is attained. Below, the electric wire press-fitted into the electric wire holding piece 33b on the lower surface side of the insulator 31 is referred to as “first electric wire 95”, and the electric wire press-fitted into the electric wire holding piece 33b on the upper surface side is referred to as “second electric wire 97”.

Here, as described above, since the front and back surfaces (regulatory surfaces) 33f of the substrate portion 33a are opened to the housing recess 31b, the pressure contact processing of the first electric wire 95 is performed prior to the pressure contact processing of the second electric wire 97. In this case, the contact 33 may come out of the insulator 31 by being strongly pressed by the first electric wire 95 in the direction opposite to the insertion (assembly) direction. For this reason, when the press-contacting process of the 1st electric wire 95 is performed prior to the press-contacting process of the 2nd electric wire 97, the board | substrate part 33a is pressed and supported from the top by the jig | tool 90 for prevention of the below-mentioned. At this time, the other surface (non-regulating surface) 33g constitutes a surface 33i to be regulated by a jig 90 for preventing slipping, which will be described later.
Thereby, even if it is a case where the press-contact process of the 1st electric wire 95 is performed prior to the press-contact process of the 2nd electric wire 97, it can prevent that the contact 33 remove | deviates from the insulator 31. FIG.

  Further, as shown in FIG. 4, a semicircular (that is, a semi-cylindrical) wire grooving groove 31 h is formed on the upper and lower surfaces of the insulator 31 in the front-rear direction plan view, as shown in FIG. 4. Has been. On the front surface and the rear surface of the insulator 31, there are formed electric wire arranging grooves 31i extending in the vertical direction and communicating with the electric wire arranging grooves 31h on the upper surface and the lower surface. The electric wire narrowing groove 31i has a semicircular shape (that is, a semicylindrical shape) in a plan view in the vertical direction.

  As shown in FIG. 2, the upper cover 50 has a substantially rectangular parallelepiped shape and is opened rearward and downward. A space defined by the ceiling plate 50a, the front wall 50b, and the pair of left and right side walls 50c of the upper cover 50 constitutes a connector housing portion 50d that houses the connector 30.

  On the lower surface (inner surface) of the ceiling plate 50a, a plurality of semicircular (that is, semi-cylindrical) wire grooving grooves 50e extending in the front-rear direction and viewed in the front-rear direction are formed. The plurality of electric wire arranging grooves 50e are respectively formed at positions corresponding to the plurality of electric wire arranging grooves 31h formed on the upper surface of the insulator 31. Thereby, when the connector 30 is accommodated in the connector accommodating part 50d, the pipe | tube which can hold the 2nd electric wire 97 by each pair of the electric wire fitting groove 50e and the electric wire fitting groove 31h can be formed.

  In addition, a plurality of sandwiching piece insertion holes (clipping piece projecting holes) 50f that are opened on the upper surface and the lower surface of the ceiling plate 50a are formed in the ceiling plate 50a so as to overlap with the electric wire narrowing grooves 50e. Each pinching piece insertion hole 50f is a hole into which the tip of the electric wire holding piece 33b (the portion protruding from the upper surface of the insulator 31) enters (runs away) when the connector 30 is received in the connector receiving portion 50d.

On the rear surface (inner surface) of the front wall 50b, a plurality of semicircular (that is, semi-cylindrical) wire grooving grooves 50g extending in the vertical direction and viewed in the vertical direction are formed. The plurality of electric wire arranging grooves 50g are formed at positions corresponding to the plurality of electric wire arranging grooves 31i formed on the front surface of the insulator 31, respectively. Thereby, when the connector 30 is accommodated in the connector accommodating part 50d, the pipe | tube which makes the 2nd electric wire 97 fold by each pair of the electric wire fitting groove | channel 50g and the electric wire fitting groove | channel 31i can be formed.

  As shown in FIG. 1, the lower cover 70 has a substantially rectangular parallelepiped shape and is opened forward and upward. A space defined by the bottom plate 70 a of the lower cover 70, the rear wall 70 b, and the pair of left and right side walls 70 c constitutes a connector housing portion 70 d that houses the connector 30.

  On the upper surface (inner surface) of the bottom plate 70a, a plurality of semicircular (that is, semi-cylindrical) wire squeezing grooves 70e extending in the front-rear direction and viewed in the front-rear direction are formed. The plurality of electric wire arranging grooves 70e are respectively formed at positions corresponding to the plurality of electric wire arranging grooves 31h formed on the lower surface of the insulator 31. Thereby, when the connector 30 is accommodated in the connector accommodating part 50d, the pipe | tube which can fold the 1st electric wire 95 by each pair of the electric wire fitting groove 70e and the electric wire fitting groove 31h can be formed.

  In addition, a plurality of sandwiching piece insertion holes (clipping piece projecting holes) 70f that open on the upper surface and the lower surface of the bottom plate 70a are formed in the bottom plate 70a so as to overlap with the electric wire narrowing grooves 70e. Each pinching piece insertion hole 70f is a hole into which the tip end portion of the electric wire holding piece 33b (the portion protruding from the lower surface of the insulator 31) enters (runs away) when the connector 30 is housed in the connector housing portion 70d.

  In the rear wall 70b, there is formed an electric wire insertion hole 70g that connects the inner side and the outer side of the lower cover 70 and inserts the first electric wire 95 that covers the electric wire fitting groove 70e from the outer side of the lower cover. The wire insertion hole 70g is a long hole that is longer in the left-right direction than the up-down direction, and both ends in the left-right direction are outside the wire-growing groove 70e located at both ends in the left-right direction among the plurality of wire-growing grooves 70e. Is located. Thereby, the some 1st electric wire 95 can be put together in the electric wire insertion hole 70g, and can be put in the some electric wire narrowing groove | channel 70e.

[Example of the configuration of the jig for preventing disconnection]
As shown in FIG. 7, the removal preventing jig 90 includes a jig body 90a and a plurality of removal prevention pins 90b protruding downward from the lower surface of the jig body 90a. The arrangement pattern in the front / rear / left / right plane of the plurality of removal prevention pins 90b is the same as the arrangement pattern in the front / rear / left / right plane of the contact accommodating portion 31a of the insulator 31. Further, the length of the portion (protruding portion) protruding from the lower surface of the jig main body 90a in each removal prevention pin 90b is the vertical thickness of the substrate portion 33a (that is, one surface (regulating surface) from the depth of the housing recess 31b. ) The distance obtained by subtracting the separation distance between 33f and the other surface (non-regulating surface) 33g. Thereby, the other surface (non-regulating surface) 33g of the substrate portion 33a can be reliably pressed by inserting the plurality of removal prevention pins 90b into the plurality of receiving recesses 31b. As a result, when the press-contact process of the first electric wire 95 is performed prior to the press-contact process of the second electric wire 97, it is ensured that the contact 33 is detached from the insulator 31 by using the removal preventing jig 90. Can be prevented.

[Example of connection method between relay connector device and electric wire]
An example of a connection method between the relay connector device 10 having the above configuration and the first electric wire 95 and the second electric wire 97 will be described. 7 and 8 are diagrams for explaining a connection method between the relay connector device and the first electric wire 95, and FIGS. 9 and 10 are used for explanation of a connection method between the relay connector device and the second electric wire 97. FIG. 11 and 12 show the connection state between the relay connector device and the first electric wire 95 and the second electric wire 97. In particular, FIG. 11 is a cross-sectional view taken along the line CC in FIG. It is DD sectional view taken on the line of FIG.

  First, as shown in FIG. 7, in the lower cover 70, the plurality of first electric wires 95 are inserted into the electric wire insertion holes 70 g from the outside and are respectively wound in the plurality of electric wire arranging grooves 70 e. Then, the removal prevention jig 90 is placed on the connector 30 and the removal prevention pins 90b are inserted into the respective storage recesses 31b. As a result, the other surface (non-regulating surface) 33g of the substrate portion 33a is in a restricted state by the removal preventing pin 90b (that is, the contact 33 is prevented from moving upward in the insulator 31 by the removal preventing pin 90b). ). In this restricted state, the connector 30 is accommodated in the connector accommodating portion 70d from above the lower cover 70. Then, the wire clamping piece 33b protruding from the lower surface of the connector 30 breaks the covering member of the first electric wire 95 and comes into contact with the electric wire core by pressing the disconnection preventing jig 90 from above to the connector 30. Furthermore, the tip end portion of the wire clamping piece 33b enters the clamping piece entry hole 70f. In this way, even when the pressure welding process of the first electric wire 95 is performed prior to the pressure welding process of the second electric wire 97, the first electric wire 95 is pressed against the contact 33 without the contact 33 being detached from the insulator 31. Can be made. FIG. 8 shows a state where the first electric wire 95 is pressed against the contact 33. Here, as described above, in the first embodiment, two contact accommodating portions 33a are provided on each accommodating portion arrangement line, and the electric wire holding pieces 33b are provided from the lower surface of the insulator 31 in each contact accommodating portion 33a. It protrudes downward. Thereby, since the one 1st electric wire 95 can be clamped with the two electric wire clamping pieces 33b separated by predetermined pitch, the connection state of the 1st electric wire 95 and the contact 33 can be stabilized.

  Next, as shown in FIGS. 9 and 10, the removal preventing jig 90 is removed, and the second electric wire 97 is put in the electric wire arranging grooves 31 h and 31 i respectively provided on the upper surface and the front surface of the insulator 31. Then, the upper cover 50 is put on the integrated body of the connector 30 and the lower cover 70 and pressed against the connector 30 from above to below. Then, the tip of the wire clamping piece 33b that protrudes from the upper surface of the connector 30 breaks the covering member of the second wire 97 and contacts the wire core, and further, the tip of the wire clamping piece 33b enters the clamping piece entry hole 50f. To do. At this time, the upper cover 50 and the lower cover 70 are fitted (combined) with the connector 30 in between (contained in the connector housing portions 50d and 70d), and the box-type relay connector device 10 is configured. (FIGS. 11 and 12). In this way, the second electric wire 97 can be pressed against the contact 33. Here, as described above, in the first embodiment, two contact accommodating portions 33a are provided on each accommodating portion arrangement line, and the electric wire holding pieces 33b are arranged from the upper surface of the insulator 31 in each contact accommodating portion 33a. It protrudes upward. Thereby, since the one 2nd electric wire 97 can be clamped with the two electric wire clamping pieces 33b separated by the predetermined pitch, the connection state of the 2nd electric wire 97 and the contact 33 can be stabilized. Here, the description has been made so that the second electric wire 97 is first attached to the insulator 31 side and then the upper cover 50 is put on and pressure-contacted therewith, but the present invention is not limited to this. After the second electric wire 97 is attached to the side, these integrals may be pressed against the integral of the connector 30 and the lower cover 70.

  As described above, according to the first embodiment, in the relay connector device 10, the insulator 31 is in contact with one surface (regulation surface) 33 f of the front and back of the substrate portion 33 a of the contact (pressure contact terminal) 33 and the other surface (non-surface). It has a bottom surface (pressure contact terminal support surface) 31c that opens the restriction surface 33g. Then, the other surface (non-regulating surface) 33g of the contact (pressure contact terminal) 33 is formed by the terminal disconnection preventing jig 90 when the first electric wire 95 is press-contacted to the electric wire holding piece 33b extending to the other surface (non-regulating surface) 33g. It becomes the regulation target surface 33i.

  With the configuration of the relay connector device 10, the contact 33 does not come off the insulator 31 and the first wire 95 even when the pressure contact processing of the first wire 95 is performed prior to the pressure contact processing of the second wire 97. Can be brought into pressure contact with the contact 33. That is, it is possible to prevent the contact 33 from being detached from the insulator 31 even when it is necessary to separately perform the pressure contact between the electric wires 95 and 97 to be connected by the connector 30, that is, when it is not simultaneous pressure contact. In addition, it is possible to facilitate pressure welding in a subsequent process.

<< Second Embodiment >>
The second embodiment relates to contact shape variations. 13 and 14 are exploded perspective views of the relay connector device of the second embodiment. 15 is a cross-sectional view of the connector shown in FIG. 16 is an exploded perspective view of the connector shown in FIG. FIG. 17 is a perspective view showing a contact. FIG. 18 is a perspective view showing a contact half. 19 is a cross-sectional view taken along the line FF in FIG.

  As shown in FIGS. 13 and 14, the relay connector device 10 ′ of the second embodiment includes a connector 30 ′, and an upper cover 50 ′ and a lower cover 70 ′ that sandwich the connector 30 ′ up and down. . The upper cover 50 ′ and the lower cover 70 ′ are fitted (combined) with the connector 30 ′ sandwiched between them (contained in the connector housing portions 50 d ′ and 70 d ′), whereby the box-type relay connector device 10 ′ is assembled. Is configured.

  As shown in FIGS. 15 and 16, the connector 30 ′ has an insulator 31 ′ and a plurality of contacts (pressure contact terminals) 33 ′ supported by the insulator 31 ′. As shown in FIG. 17, each contact 33 ′ has a substrate portion 33a ′ and four electric wire holding pieces 33b. Specifically, each contact 33 ′ is a combination (combined) of two contact halves 35 shown in FIG.

  Each contact half 35 is made of a crank-shaped band-shaped metal material formed by stamping, and has a half substrate portion 35a and a pair of electric wire holding pieces 33b. By combining another contact half 35 inverted with respect to one contact half 35, a contact 33 ′ shown in FIG. 17 is obtained. A locking projection 35c protruding rightward is provided at the center in the front-rear direction of the half board portion 35a. In the contact half 35, the pair of electric wire clamping pieces 33b rises in the vertical direction (opposite direction) with the front and rear ends of the half substrate portion 35a as base ends, and slits 33d are provided at the distal ends. That is, each electric wire clamping piece 33b of the contact half 35 is formed with a bifurcated portion 33h at the tip by a slit 33d, and the electric wires 95 and 97 are press-fitted into the bifurcated portion 33h of each electric wire holding piece 33b. The electric wires are electrically connected.

  The insulator 31 ′ is formed by injection molding synthetic resin, which is an insulating member, and has a substantially rectangular parallelepiped shape. The insulator 31 ′ has a plurality of contact accommodating portions 31a ′ that accommodate the contacts 33 ′. As shown in FIG. 16, the plurality of contact accommodating portions 31a ′ are arranged in a staggered pattern in a plan view in the up-down direction (that is, in the front-rear, left-right plane). Here, in the insulator 31 ′ of the second embodiment, the contact accommodating portion 31a ′ is provided in the left-right direction at the same pitch as the conductor pitch of the flat cable, similarly to the insulator 31 of the first embodiment. One is formed. In other words, there are seven accommodating portion arrangement lines (virtual lines) at predetermined intervals (pitch) in the left-right direction in the insulator 31 ′, while one contact is provided on each accommodating portion arrangement line. A housing part 31a ′ is present. That is, the length in the front-rear direction of the insulator 31 ′ of the second embodiment is substantially half of the length in the front-rear direction of the insulator 31 of the first embodiment. Thereby, the relay connector device 10 ′ of the second embodiment can be downsized compared to the relay connector device 10 of the first embodiment.

  Each contact accommodating portion 31a ′ has an accommodating recess 31b ′ that accommodates a substrate portion 33a ′ of the contact 33 ′ and two electric wire holding pieces 33b extending upward from the substrate portion 33a ′ (FIGS. 16 and 19). ). The housing recess 31b ′ is open to the top surface of the insulator 31 ′, and has a bottom surface (pressure contact terminal support surface) 31c ′ at the bottom of the housing recess 31b ′. As shown in FIG. 15, the bottom surface (pressure contact terminal support surface) 31c ′ comes into contact with one surface (regulating surface) 33f ′ of the front and back of the substrate portion 33a ′ accommodated in the contact accommodating portion 31a ′, thereby contacting the contact 33 ′. And the position of the contact 33 ′ in the insertion direction (downward) is regulated. On the other hand, the other surface (non-regulating surface) 33g ′ of the front and back surfaces of the substrate portion 33a ′ is opened to the housing recess 31b ′.

  Each contact accommodating portion 31a ′ is opened adjacent to the bottom surface (pressure contact terminal support surface) 31c ′, and two electric wire holding pieces 33b ′ extending downward from the substrate portion 33a ′ are respectively inserted. An insertion hole 31d ′ is provided (FIG. 19). The insertion hole 31d ′ is also opened on the lower surface of the insulator 31 ′.

  In addition, a pair of left and right side walls (contact locking walls) 31e of each contact accommodating portion 31a 'is provided with a pair of locking grooves 31f extending in the vertical direction, like the contact accommodating portion 31a of the first embodiment. ing. Each side wall (contact locking wall) 31e is provided with two guide grooves 31g extending in the vertical direction so as to sandwich the locking groove 31f in the front-rear direction. When the contact 33 ′ is inserted into the insulator 31 ′ with the guide convex portion 33e inserted into the guide groove 31g from above and the locking convex portion 35c inserted into the locking groove 31f from above, one surface (regulating surface) is obtained. The wire holding piece 33b extending to the 33f 'side enters the insertion hole 31d', and the locking projection 35c is moved over the protrusion 31j provided in the middle of the locking groove 31f. Then, the substrate portion 33a ′ is guided to the bottom surface (pressure contact terminal support surface) 31c ′, and one surface (regulation surface) 33f ′ of the substrate portion 33a ′ contacts the bottom surface (pressure contact terminal support surface) 31c ′ (FIG. 15). . At this time, the tip of the electric wire holding piece 33b extending to the one surface (regulating surface) 33f ′ side is exposed to the outside from the lower surface of the insulator 31 ′, and the electric wire holding piece 33b extending to the other surface (non-regulating surface) 33g ′ side. The tip is exposed to the outside from the top surface of the insulator 31 ′. Thereby, since the forked part 33f is arrange | positioned outside the upper surface and lower surface of insulator 31 ', the press injection of the electric wire with respect to the forked part 33f is attained.

  Here, as described above, since the front and back surfaces (regulatory surfaces) 33f ′ of the board portion 33a ′ are open to the housing recess 31b ′, the pressure contact processing of the first electric wire 95 precedes the pressure contact processing of the second electric wire 97. In this case, the contact 33 ′ may come out of the insulator 31 ′ by being strongly pressed by the first electric wire 95 in the direction opposite to the insertion (assembly) direction. For this reason, when the press-contact process of the first electric wire 95 is performed prior to the press-contact process of the second electric wire 97, the board portion 33a 'is pressed and supported from above by a pull-out preventing jig 90' described later. At this time, the other surface (non-regulating surface) 33g ′ constitutes a surface to be regulated 33i ′ by a later-described removal preventing jig 90 ′. Thereby, even if it is a case where the press-contact process of the 1st electric wire 95 is performed ahead of the press-contact process of the 2nd electric wire 97, it can prevent that contact 33 'remove | deviates from insulator 31'.

  Further, as shown in FIG. 16, on the upper surface and the lower surface of the insulator 31 ′, as in the insulator 31 of the first embodiment, a semicircular (that is, a semi-cylindrical) wire grooving groove in plan view in the front-rear direction. 31h is formed. Further, similarly to the insulator 31 of the first embodiment, the front and rear surfaces of the insulator 31 ′ are formed with electric wire arranging grooves 31 i that extend in the vertical direction and communicate with the electric wire arranging grooves 31 h on the upper and lower surfaces. . The electric wire narrowing groove 31i has a semicircular shape (that is, a semicylindrical shape) in a plan view in the vertical direction.

  The upper cover 50 ′ and the lower cover 70 ′ have substantially the same configuration except that the length in the front-rear direction is substantially half that of the upper cover 50 and the lower cover 70 of the first embodiment.

[Example of the configuration of the jig for preventing disconnection]
As shown in FIG. 20, the removal preventing jig 90 ′ includes a jig main body 90a ′ and a plurality of removal prevention pins 90b ′ protruding downward from the lower surface of the jig main body 90a ′. The arrangement pattern in the front / rear / left / right plane of the plurality of removal prevention pins 90b ′ is the same as the arrangement pattern in the front / rear / left / right plane of the contact accommodating portion 31a ′ of the insulator 31 ′. Further, the length of the portion (protruding portion) protruding from the lower surface of the jig main body 90a ′ in each removal prevention pin 90b ′ is the thickness in the vertical direction of the substrate portion 33a ′ (that is, the depth from the housing recess 31b ′ (ie, The distance is equal to or longer than the distance obtained by subtracting the separation distance between one surface (regulating surface) 33f and the other surface (non-regulating surface) 33g ′. Thereby, the other surface (non-regulating surface) 33g ′ of the substrate portion 33a ′ can be surely pressed by inserting the plurality of removal prevention pins 90b ′ into the plurality of receiving recesses 31b ′. As a result, when the press-contact process of the first electric wire 95 is performed prior to the press-contact process of the second electric wire 97, the contact 33 ′ is detached from the insulator 31 ′ by using the removal preventing jig 90 ′. Can be reliably prevented.

[Example of connection method between relay connector device and electric wire]
An example of a connection method between the relay connector device 10 ′ having the above configuration and the first electric wire 95 and the second electric wire 97 will be described. FIGS. 20 and 21 are diagrams for explaining a connection method between the relay connector device 10 ′ and the first electric wire 95. FIGS. 22 and 23 are connection methods between the relay connector device 10 ′ and the second electric wire 97. It is a figure where it uses for description. 24 and 25 show a connection state between the relay connector device 10 ′ and the first electric wire 95 and the second electric wire 97. In particular, FIG. 24 is a cross-sectional view taken along the line GG in FIG. FIG. 24 is a cross-sectional view taken along line HH in FIG. 23.

  First, as shown in FIG. 20, in the lower cover 70 ′, the plurality of first electric wires 95 are inserted into the electric wire insertion holes 70 g from the outside and are respectively wound in the plurality of electric wire arranging grooves 70 e. Then, the removal preventing jig 90 ′ is put on the connector 30 ′, and the removal preventing pins 90 b ′ are inserted into the respective storage recesses 31 b ′. As a result, the other surface (non-regulating surface) 33g ′ of the substrate portion 33a ′ is regulated by the removal preventing pin 90b ′ (that is, the contact 33 ′ is moved upward in the insulator 31 ′ by the removal preventing pin 90b ′. In a state in which it is restricted). In this restricted state, the connector 30 ′ is accommodated in the connector accommodation portion 70d ′ from above the lower cover 70 ′. Then, the wire holding piece 33b protruding from the lower surface of the connector 30 ′ breaks the covering member of the first electric wire 95 by pressing the disconnection preventing jig 90 ′ against the connector 30 ′ from the top to the bottom. Further, the tip of the electric wire holding piece 33b enters the holding piece insertion hole 70f. In this way, even when the pressure welding process of the first electric wire 95 is performed prior to the pressure welding process of the second electric wire 97, the first electric wire 95 is connected to the contact 33 without the contact 33 ′ being detached from the insulator 31 ′. Can be pressed against. FIG. 21 shows a state in which the first electric wire 95 is pressed against the contact 33 ′. Here, as described above, in the second embodiment, in each contact accommodating portion 33a ′, the two electric wire holding pieces 33b protrude downward from the lower surface of the insulator 31 ′. Thereby, since the 1st electric wire 95 can be clamped with the two electric wire clamping pieces 33b, the connection state of the 1st electric wire 95 and contact 33 'can be stabilized.

  Next, as shown in FIGS. 22 and 23, the removal preventing jig 90 ′ is removed, and the second electric wire 97 is put in the electric wire arranging grooves 31h and 31i respectively provided on the upper surface and the front surface of the insulator 31 ′. . Then, the upper cover 50 ′ is put on the integrated body of the connector 30 ′ and the lower cover 70 ′ and pressed against the connector 30 ′ from above to below. Then, the tip of the wire clamping piece 33b protruding from the upper surface of the connector 30 ′ breaks the covering member of the second electric wire 97 and comes into contact with the wire core, and further, the tip of the wire clamping piece 33b enters the clamping piece insertion hole 50f. invade. At this time, the upper cover 50 ′ and the lower cover 70 ′ are fitted (combined) with the connector 30 ′ interposed therebetween, thereby forming a box-type relay connector device 10 ′ (FIGS. 24 and 25). Thus, the 2nd electric wire 97 can be press-contacted to contact 33 '. Here, as described above, in the second embodiment, in each contact accommodating portion 33a ′, the two electric wire holding pieces 33b protrude upward from the upper surface of the insulator 31 ′. Thereby, since the one 2nd electric wire 97 can be clamped with the two electric wire clamping pieces 33b, the connection state of the 2nd electric wire 97 and contact 33 'can be stabilized. Here, the description has been made so that the second electric wire 97 is first attached to the insulator 31 'side, and then the upper cover 50' is covered and press-contacted. However, the present invention is not limited to this. After the second electric wire 97 is attached to the cover 50 ′ side, these integrals may then be brought into pressure contact with the integral of the connector 30 ′ and the lower cover 70 ′.

  As described above, according to the second embodiment, in the relay connector device 10 ′, the insulator 31 ′ is in contact with one surface (regulation surface) 33f ′ of the front and back of the substrate portion 33a ′ of the contact (pressure contact terminal) 33 ′. The bottom surface (pressure contact terminal support surface) 31c ′ opens the other surface (non-regulating surface) 33g ′. The other surface (non-regulating surface) 33g ′ of the contact (pressure contact terminal) 33 ′ is used to prevent the terminal from coming off when the first electric wire 95 is pressed against the electric wire holding piece 33b extending to the other surface (non-regulating surface) 33g ′. It becomes the regulation target surface 33i 'by the tool 90'.

  With the configuration of the relay connector device 10 ′, the contact 33 ′ is not disengaged from the insulator 31 ′ even when the pressure welding process of the first electric wire 95 is performed prior to the pressure welding process of the second electric wire 97. One electric wire 95 can be brought into pressure contact with the contact 33 ′. That is, the contact 33 ′ is disconnected from the insulator 31 ′ even when it is necessary to separately perform the pressure contact between the electric wires 95 and 97 to be connected by the connector 30 ′, that is, when it is not simultaneous pressure contact. Can be prevented, and pressure contact in a subsequent process can be facilitated.

  In the relay connector device 10 ′, a contact (pressure contact terminal) 33 ′ is a combination of two contact halves (pressure contact terminal halves) 35 having the same shape, and each contact half 35 includes a half substrate portion. 35a and a pair of electric wire clamping pieces 33b. That is, one contact (pressure contact terminal) 33 ′ has two electric wire clamping pieces 33b on one surface (regulating surface) 33f ′ side and the other surface (non-regulating surface) 33g ′ side of the substrate portion 33a ′. Yes.

  With this configuration of the relay connector device 10 ′, the electric wires 95 and 97 can be held by the two electric wire holding pieces 33b in the small space of the insulator 31 ′, so that the first size of the insulator 31 ′ can be reduced while reducing the size of the first insulator 31 ′. The connection state between the electric wire 95 and the contact 33 ′ and the connection state between the second electric wire 97 and the contact 33 ′ can be stabilized.

  In the first and second embodiments described above, as an example, the connection objects of the connectors 30 and 30 ′ (contacts 33 and 33 ′) have a plurality of copper wires (conductors) spaced apart from each other by a predetermined interval (pitch). Although the description has been made assuming that the cable is a band-like cable (flat cable) bundled in a plane, the present invention is not limited to this. The connection object of the connectors 30 and 30 ′ (contacts 33 and 33 ′) may be a bundle of a plurality of ordinary single electric wires (so-called discrete wires).

10, 10 'Relay connector device 31, 31' Insulator 31b, 31b 'Storage recess 31c, 31c' Bottom surface (pressure contact terminal support surface)
33, 33 'contact (pressure contact terminal)
33a, 33a ′ substrate portion 33b electric wire clamping piece 33f, 33f ′ one surface (regulatory surface)
33g, 33g 'Other side (non-regulatory side)
33i, 33i 'Restricted surface 35 Contact half (pressure contact terminal half)
35a Half substrate part 50, 50 'Upper cover 50f Clamping piece entry hole 70, 70' Lower cover 70f Clamping piece entry hole (clamping piece projection hole)

Claims (5)

A pressure contact terminal having a substrate portion and a pair of wire clamping pieces that rise in the opposite direction from the substrate portion; and an insulator that supports the pressure contact terminal;
In the relay connector device having
The insulator has a press contact terminal support surface that contacts a restriction surface on one side of the front and back surfaces of the substrate portion of the press contact terminal and opens a non-restriction surface on the other surface; and the non-restriction surface is on the restriction surface side. When the wire is pressed against the extending wire clamping piece, it becomes a surface subject to regulation by the terminal dropout prevention jig;
A connector device for relay. The relay connector device according to claim 1,
The insulator opens into the pressure contact terminal support surface, receives an insertion hole portion for inserting one wire holding piece of the pressure contact terminal, and receives the substrate portion and the other wire clamp piece, and the pressure contact terminal support surface as a bottom surface. A relay connector device having a storage recess. The relay connector device according to claim 1 or 2,
The press contact terminal has two of the pair of wire clamping pieces; and the press contact terminal includes a pair of press contact terminal halves having the same shape, and each press contact terminal half includes a half substrate portion, Having wire holding pieces extending in opposite directions from both ends of the half-board portion;
A connector device for relay. The relay connector device according to any one of claims 1 to 3,
The insulator is provided with a cover that presses the electric wire against the electric wire sandwiching piece of the double-sided crimp terminal, and the cover has a sandwiching piece projecting hole into which the tip of the electric wire sandwiching piece of the press contact terminal is fitted. The formed connector device for relay. A pressure contact terminal having a substrate portion and a pair of wire clamping pieces that rise in the opposite direction from the substrate portion; and an insulator that supports the pressure contact terminal;
In the relay connector device having
The regulation surface of the substrate portion is brought into contact with the pressure contact terminal supporting surface of the insulator that contacts the regulation surface on one surface of the substrate portion of the pressure contact terminal and opens the non-regulation surface of the other surface, and the non-regulation surface. A first wire clamping piece extending toward the regulating surface side of the substrate portion in a state where the substrate portion is sandwiched between the terminal removal prevention jig and the press contact terminal support surface by contacting a terminal removal prevention jig. A step of pressing the first electric wire; and a step of pressing the second electric wire on the second electric wire holding piece extending to the non-regulating surface side of the substrate portion in a state where the terminal removal preventing jig is removed;
A method for connecting a relay connector device to an electric wire, comprising:

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