JP5673479B2 - Connector device - Google Patents

Description

  The present invention relates to a connector device including a pressing mechanism capable of pressing a plurality of connection terminals of both housings after fitting two housings each holding a plurality of connection terminals.

  2. Description of the Related Art Conventionally, for example, a connector that is provided in a current supply path that supplies current to an electric motor as a drive source of an electric vehicle and that is detachable between power harnesses or between a power harness and a motor or an inverter is used. As this type of connector, there is known a connector in which the first connector portion and the second connector portion are coupled to each other and the joining terminals of both connector portions are pressed and brought into contact with each other (for example, see Patent Documents 1 and 2). ).

  The connectors described in Patent Documents 1 and 2 include a first connector having a first terminal housing in which a plurality of first joining terminals and a plurality of insulating members fixed integrally to the plurality of first joining terminals are accommodated. And a second connector portion having a second terminal housing in which a plurality of second connection terminals are accommodated, and when the first terminal housing and the second terminal housing are fitted together, the first joint terminal and the second terminal It is comprised so that it may be in the lamination | stacking state by which a joining terminal is alternately arrange | positioned through an insulating member. The connector further presses the plurality of first joining terminals, the plurality of second joining terminals, and the plurality of insulating members that are in a laminated state in the laminating direction, so that the plurality of first connection terminals and the plurality of second connections are pressed. The first terminal housing is provided with a connecting member that fixes the terminals together at each contact and electrically connects them.

  The connecting member has a large-diameter portion formed with a deformed hole for fitting a tightening tool, a cylindrical small-diameter portion formed integrally with the large-diameter portion, and one end portion accommodated in the internal space of the small-diameter portion. And an elastic member made of a coil spring. A male screw is formed on the outer peripheral surface of the small diameter portion, and this male screw is screwed into a female screw formed on the inner peripheral surface of the connection member insertion hole of the first terminal housing.

  Thus, when the large diameter portion and the small diameter portion are rotated by the tightening tool, the elastic member is compressed by the axial movement of the large diameter portion and the small diameter portion, and among the plurality of insulating members by the elastic force (restoring force) of the elastic member The insulating member closest to the connecting member is pressed in the stacking direction, whereby the plurality of first connection terminals and the plurality of second connection terminals are electrically connected.

JP2011-113942A (FIG. 9) JP 2011-159590 A

  However, for example, as proposed separately by the present applicant (Japanese Patent Application No. 2011-9027), a plurality of insulating members are accommodated in the second terminal housing, and the first terminal housing and the second terminal housing are not fitted. When a gap in the stacking direction is formed between the connecting member of the first terminal housing and the first connecting terminal closest to the connecting member, the pressing force of the connecting member (elastic force of the elastic member) is For example, the receiving member needs to be held by being bonded to one end of the elastic member with an adhesive. In this case, the strength of the connector, more specifically, the fixing position of the receiving member with respect to one end of the elastic member depends on the adhesive force of the adhesive. Moreover, the operation | work which adhere | attaches a receiving member on the end of an elastic member inside the 1st terminal housing of a 1st connector part will accompany difficulty.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to output a pressing force that presses a plurality of connection terminals when a pair of housings that respectively hold the plurality of connection terminals are not fitted. It is an object of the present invention to provide a connector device capable of supporting a member in a housing.

  In order to solve the above-described problems, the present invention includes a plurality of first connection terminals, a plurality of second connection terminals connected to the plurality of first connection terminals, and the plurality of first connection terminals, respectively. When the first housing to be held, the second housing to hold the plurality of second connection terminals, and the first housing and the second housing are fitted, the plurality of first connection terminals and the plurality of A plurality of insulating members interposed between contact points with the second connection terminal; and the plurality of first connection terminals and the plurality of second connection layers formed by fitting the first housing and the second housing together. A connecting mechanism, and a pressing mechanism that generates a pressing force that presses the plurality of insulating members in the stacking direction. The pressing mechanism is rotatably supported by the first housing; By rotating the member An elastic member that is compressed in the stacking direction; and an output member that receives the elastic force of the elastic member and outputs the pressing force. The first housing includes a conductive outer housing member; An inner housing member having a pair of insulating walls that are opposed to each other across a plurality of first connection terminals and interposed between the outer housing member and the plurality of first connection terminals; The member provides a connector device that is supported in the stacking direction by contacting the pair of wall portions when the first housing and the second housing are not fitted.

  The output member is formed between a pair of supported portions that respectively contact the ends of the pair of wall portions in the stacking direction and the pair of supported portions, and receives the elastic force of the elastic member. It is good to have a pressure receiving part.

  Further, a gap in the fitting direction between the first housing and the second housing is formed between the inner housing member and the outer housing member, and the output member is at least one of the pair of supported portions. It is good that the movement to the said fitting direction with respect to the said 1st housing and the reverse direction is controlled because a part intervenes in the said clearance gap.

  According to the connector device of the present invention, when a pair of housings that respectively hold a plurality of connection terminals are not fitted, it is possible to support an output member of a pressing force that presses the plurality of connection terminals in the housing. It becomes.

It is an external view which shows the structural example of the male connector which comprises the connector apparatus which concerns on embodiment of this invention, and a female connector. It is sectional drawing of a male connector and a female connector. It is an external view which shows the structural example of the connector apparatus in the state which the male side housing and the female side housing fitted, and the male connector and the female connector were couple | bonded. It is sectional drawing of the connector apparatus with which the male connector and the female connector were couple | bonded. It is sectional drawing of the connector apparatus which shows the state which the press mechanism act | operated. The structure and operation | movement of a press mechanism are shown, (a) is a perspective view of a rotation member and a cam ring, (b)-(d) is a side view which shows the operation state of a rotation member and a cam ring. The structural example of an output member is shown, (a) is a side view, (b) is a perspective view. The structural example of the 2nd element of a male side housing and a 3rd element is shown, (a) is the top view seen from the same direction as FIG. 1A, (b) is a perspective view. The output member is shown supported by a pair of walls, (a) is a plan view and (b) is a perspective view. The structural example of a male connector is shown, (a) is a perspective view which shows the edge part by the side fitted to a female side housing, (b) is a perspective sectional view. (A) is the perspective view of the male connector seen from the angle different from Fig.7 (a), (b) is the perspective sectional drawing. (A) is the sectional view on the AA line of Fig.8 (a), (b) is the elements on larger scale of (a). (C) is a figure which shows the state which the output member moved to the lamination direction in (b). It is explanatory drawing which abbreviate | omitted illustration of the output member and the coil spring in FIG. 9A (b).

[Embodiment]
Next, an embodiment of the present invention will be described in detail with reference to FIGS. 1A to 9B.

  FIG. 1A is an external view showing a configuration example of a male connector and a female connector constituting the connector device according to the embodiment of the present invention, and FIG. 1B is a cross-sectional view of the male connector and the female connector.

  The connector device 10 includes a male connector 11 and a female connector 12. The male connector 11 and the female connector 12 are coupled by fitting the male housing 21 of the male connector 11 and the female housing 22 of the female connector 12 together. In the present embodiment, the male housing 21 and the female housing 22 are fitted so that a part of the male housing 21 is accommodated in the female housing 22.

  To the female connector 12, for example, three electric wires 131, 132, 133 for supplying a current to an electric motor as a drive source of the vehicle are connected. This electric motor is, for example, a three-phase AC motor, and the three electric wires 131, 132, 133 supply each phase current to the three-phase AC motor. Examples of the vehicle on which the electric motor is mounted include an electric vehicle using an electric motor as a single drive source, and a so-called hybrid vehicle using an electric motor and an engine that is an internal combustion engine as a drive source. .

(Configuration of male connector 11)
The male connector 11 includes male side connection terminals 311, 312, 313 as a plurality of first connection terminals, and a male side housing 21 as a first housing that holds the male side connection terminals 311, 312, 313. Yes.

  The male connection terminals 311, 312, 313 are formed by, for example, tin-plating the surface of a base material made of a copper alloy, and one end is formed as a flat contact piece 311 a, 312 a, 313 a. The other end is formed as a washer piece 311c, 312c, 313c constituting a terminal block 212c described later. The contact pieces 311a, 312a, and 313a and the washer pieces 311c, 312c, and 313c are integrally connected by connecting portions 311b, 312b, and 313b. The contact pieces 311a, 312a, and 313a and the washer pieces 311c, 312c, and 313c have 90 ° different plane directions, and the connecting portions 311b, 312b, and 313b are plane change portions that change the plane orientation. Is also functioning.

  The male housing 21 is held by a first metal element 211 having conductivity such as aluminum, a second resin element 212 held by the first element 211, and the first element 211 and the second element 212. And the third element 213 made of resin. As a resin material constituting the second element 212 and the third element 213, for example, an insulating resin such as PBT (polybutylene terephthalate), PPS (polyphenylene sulfide), PA (polyamide), or the like can be used. Note that the second element 212 and the third element 213 may be integrally formed. The first element 211 is an example of the outer housing member of the present invention, and the second element 212 is an example of the inner housing member of the present invention.

  The 1st element 211 fixes the cylindrical cylinder part 211a which accommodates the contact pieces 311a, 312a, and 313a of the male side connection terminals 311, 312, and 313, and the male side housing 21 to fixed objects, such as a case of an apparatus. And a flange portion 211b in which a through hole (not shown) is formed. An annular seal member 231 is held on the outer peripheral surface of one end of the cylindrical portion 211a (the end opposite to the flange portion 211b). In addition, an annular seal member 232 is held on one side surface of the flange portion 211b (the side surface opposite to the tube portion 211a).

  The cylindrical portion 211a is formed with a holding hole 211c penetrating inside and outside. A rotation member 51 described later is rotatably held in the holding hole 211c. A protrusion 211d that protrudes toward the center of the holding hole 211c and extends in parallel with the central axis of the holding hole 211c is formed on the inner surface of the holding hole 211c. In addition, a convex portion 211e that faces the holding hole 211c is formed inside the cylindrical portion 211a. The convex portion 211e is formed so as to protrude from the inner surface of the cylindrical portion 211a toward the holding hole 211c.

  The cylindrical portion 211a is formed with a support protrusion 211f that protrudes in the direction perpendicular to the central axis of the holding hole 211c in the vicinity of the holding hole 211c on the outer peripheral side thereof. The support protrusion 211f is provided in a portion of the holding hole 211c opposite to the flange portion 211b in the fitting direction of the male housing 21 and the female housing 22 (X-axis direction shown in FIGS. 1A and 1B. It is formed so as to protrude toward the opposite side of the flange portion 211b.

  Further, as shown in FIG. 1A, the cylindrical portion 211 a is provided with a fitting protrusion 211 g on the outer peripheral surface thereof for fitting with the female housing 22 of the female connector 12. Furthermore, a slide groove 211h for slidably supporting a lid member 6 described later is formed in the cylinder portion 211a in the vicinity of the flange portion 211b.

  Part of the second element 212 is accommodated in the cylindrical portion 211 a of the first element 211 and is held by the first element 211. A seal member 233 is disposed between the second element 212 and the flange portion 211 b of the first element 211.

  The second element 212 includes a pair of wall portions 212a and 212b (only the wall portion 212a is shown in FIG. 1B) housed in the cylindrical portion 211a of the first element 211, and an end portion of a portion protruding from the first element 211. The terminal block part 212c formed and a holding part 212d formed between the pair of wall parts 212a and 212b and the terminal block part 212c and holding the third element 213 are integrally provided.

  The holding portion 212d is formed with three insertion holes 212e through which the coupling portions 311b, 312b, and 313b of the male connection terminals 311, 312 and 313 are inserted. Three seal members 234 to 236 that seal between the second element 212 and the connecting portions 311b, 312b, and 313b of the male connection terminals 311, 312, and 313 are disposed inside the three insertion holes 212e, respectively. ing.

  The washer pieces 311c, 312c and 313c of the male connection terminals 311, 312 and 313 are held in parallel on the terminal block 212c. Three through holes 31c are formed in the washer pieces 311c, 312c, 313c and the terminal block 212c, through which bolts for fixing the terminals to be connected are inserted.

  The third element 213 is formed on the contact pieces 311a, 312a, 313a side of the protrusions 213a from the protrusions 213a at three locations corresponding to the male connection terminals 311, 312, 313, respectively. And a guide portion 213b for guiding the connecting portions 311b, 312b, and 313b. And the 3rd element 213 is supporting the connection part 311b, 312b, 313b of the male side connection terminals 311, 312, and 313 by the projection part 213a.

  The male connector 11 includes a rotating member 51 that is rotatably supported by the first element 211, a cam ring 52 that moves forward and backward in the rotation axis direction of the rotating member 51 by a cam action caused by the rotation of the rotating member 51, and one end on the cam ring 52. The pressing mechanism 5 includes a coil spring 53 that is in contact with the metal, a metal washer 530 that is in contact with the other end of the coil spring 53, and an output member 54 that is formed with a recess that accommodates the washer 530. The rotating member 51 and the cam ring 52 are made of a metal such as aluminum.

  The rotating member 51 has a bottomed cylindrical shape, and integrally includes a disk-shaped bottom portion 511 and a cylindrical cylindrical portion 512 whose one end is closed by the bottom portion 511. The cam ring 52 also has a bottomed cylindrical shape, and integrally includes a disk-shaped bottom portion 521 and a cylindrical cylindrical portion 522 whose one end is closed by the bottom portion 521. A bottom portion 521 of the cam ring 52 and a part of the cylindrical portion 522 are accommodated in the cylindrical portion 512 of the rotating member 51.

  The rotation member 51 is restricted from moving in the axial direction with respect to the first element 211 by the bottom portion 511 coming into contact with an annular holding member 214 locked in an annular groove formed in the inner surface of the holding hole 211c. An annular seal member 237 is disposed between the cylindrical portion 512 and the holding hole 211c.

  The output member 54 is supported by the pair of wall portions 212 a and 212 b of the second element 212. A gap is formed between the output member 54 and the contact piece 311a of the male connection terminal 311 in which a first insulating member 41 and a female connection terminal 321 described later are inserted. Details of the support structure of the output member 54 and the operation of the pressing mechanism 5 will be described later.

  The male connector 11 further includes a lid member 6 that covers at least a part of the rotating member 51. The lid member 6 is slidable with respect to the first element 211 along the connector fitting direction.

  The lid member 6 includes a main body portion 60 arranged to cover the outer surface of the rotating member 51 held in the holding hole 211c, and a first support portion that engages with the slide groove 211h and supports one end of the main body portion 60. 61 and a second support portion 62 that engages with the support protrusion 211f and supports the other end of the main body portion 60 are integrally provided. In the main body 60, the rotation of the rotating member 51 is restricted by the tool insertion hole 60a through which the tool inserted into the tool receiving portion 511a formed in the bottom 511 of the rotating member 51 is inserted, and the slide toward the flange portion 211b. Protrusion 601 is formed. In addition, although the two 1st support parts 61 are provided so that the main-body part 60 may be pinched | interposed, only one 1st support part 61 is shown in FIG. 1A.

(Configuration of female connector 12)
The female connector 12 includes female side connection terminals 321, 322, and 323 as a plurality of second connection terminals, and a female side housing 22 as a second housing that holds the female side connection terminals 321, 322, and 323. Yes. Electric wires 131, 132, 133 are electrically connected to the female side connection terminals 321, 322, 323. The electric wires 131, 132, and 133 are configured by covering the core wires 131a, 132a, and 133a made of conductive metal with insulating coatings 131b, 132b, and 133b except for the tip portions. The cross-sectional areas of the core wires 131a, 132a, and 133a are, for example, 10 to 40 mm ² .

  The female connection terminals 321, 322, and 323 are formed by, for example, tin-plating the surface of a base material made of a copper alloy, and one end is formed as a flat contact piece 321a, 322a, or 323a. The other end is formed as a caulking portion 321b, 322b, 323b for caulking and fixing the tip end portion of the core wires 131a, 132a, 133a of the electric wires 131, 132, 133.

  The female housing 22 includes a first element 221 and a second element 222 held by the first element 221. As a material for the first element 221 and the second element 222, an insulating resin similar to the second element 212 and the third element 213 of the male housing 21 can be used.

  The first element 221 includes an accommodating portion 221a that accommodates the contact pieces 321a, 322a, and 323a of the female connection terminals 321, 322, and 323, and a crimped portion 321b, 322b, and 323b of the female connection terminals 321, 322, and 323. The holding part 221b to hold is integrally provided.

  A through hole 221c is formed in the accommodating portion 221a at a position corresponding to the tool receiving portion 511a of the rotating member 51 when the male housing 21 and the female housing 22 are fitted. Further, as shown in FIG. 1A, a fitting recess 221d that fits with a fitting protrusion 211g provided on the first element 211 of the male connector 11 is formed on the outer surface of the housing portion 221a.

  A part of the outer periphery of the holding portion 221 b is covered with a metal cover member 14. A seal member 223 that seals between the wires 131, 132, 133 and the inner surface of the opening 221 e is disposed in the opening 221 e of the holding portion 221 b through which the wires 131, 132, 133 are inserted. Further, a seal member 224 for sealing between the first element 211 of the male connector 11 is disposed on the outer surface of the holding portion 221b.

  The second element 222 holds the first insulating member 41, the second insulating member 42, the third insulating member 43, and the fourth insulating member 44 made of an insulating material having electrical insulation. As this insulating material, for example, PPS (polyphenylene sulfide), PPA (polyphthalamide), PA (polyamide), PBT (polybutylene terephthalate), or a resin material such as an epoxy resin can be used.

  A contact piece 321 a is provided between the first insulating member 41 and the second insulating member 42, a contact piece 322 a is provided between the second insulating member 42 and the third insulating member 43, and the third insulating member 43 and the fourth insulating member 43. Contact pieces 323 a are interposed between the insulating members 44.

  The first insulating member 41 is formed with a recess 41a, and the contact piece 321a is held in the recess 41a. Similarly, the second insulating member 42 and the third insulating member 43 are formed with recesses 42a and 43a, and the contact pieces 322a and 323a are held in the recesses 42a and 43a.

  In the second element 222, the first insulating member 41, the second insulating member 42, the third insulating member 43, and the fourth insulating member 44 are arranged in a direction perpendicular to the contact pieces 321a, 322a, 323a (Y-axis direction). The first to fourth insulating members 41 to 44 are held so as to be movable within a predetermined range in the Y-axis direction.

  FIG. 2A is an external view showing a configuration example of the connector device 10 in a state where the male housing 21 and the female housing 22 are fitted and the male connector 11 and the female connector 12 are coupled. 2B is a cross-sectional view of FIG. 2A.

  2A and 2B, the cylindrical portion 211a of the first element 211 of the male connector 11 is housed in the housing portion 221a of the first element 221 of the female connector 12 together with the cover member 6, and the male housing 21 and the female housing 22 The fitting state in which the fitting is completed is shown.

  In this fitted state, the through hole 221c formed in the housing portion 221a of the first element 221 of the female housing 22 is a position corresponding to the tool receiving portion 511a of the rotating member 51 and the tool insertion hole 60a of the lid member 6. The tool T can be fitted into the tool receiving portion 511a from the outside through the through hole 221c and the tool insertion hole 60a.

  In this fitted state, the contact piece 311 a of the male connection terminal 311 is sandwiched between the contact piece 321 a of the female connection terminal 321 held by the first insulation member 41 and the second insulation member 42. Yes. Further, the contact piece 312 a of the male connection terminal 312 is sandwiched between the contact piece 322 a of the female connection terminal 322 held by the second insulating member 42 and the third insulating member 43. Furthermore, the contact piece 313 a of the male connection terminal 313 is sandwiched between the contact piece 323 a of the female connection terminal 323 held by the third insulation member 43 and the fourth insulation member 44.

  Thus, in the fitting state of the male housing 21 and the female housing 22, the male connection terminals 311 to 313, the female connection terminals 321 to 323, and the first to fourth insulating members 41 to 44 are in the Y axis. Are stacked in parallel. More specifically, the first insulating member 41, the contact piece 321 a of the female connection terminal 321, the contact piece 311 a of the male connection terminal 311, the second insulation member 42, the contact piece 322 a of the female connection terminal 322, the male connection The contact piece 312a of the terminal 312, the third insulating member 43, the contact piece 323 a of the female connection terminal 323, the contact piece 313 a of the male connection terminal 313, and the fourth insulating member 44 are stacked in the above order in the stacking direction. A laminated structure is obtained.

  That is, the first insulating member 41, the second insulating member 42, the third insulating member 43, and the fourth insulating member 44 are arranged so that the male side connection terminal 311 when the male side housing 21 and the female side housing 22 are fitted. And the female connection terminal 321, the male connection terminal 312, the female connection terminal 322, and the male connection terminal 313 and the female connection terminal 323.

  In the connector device 10, the male connector 11 and the female connector 12 are coupled, the rotating member 51 is rotated, and the male side connection terminals 311, 312, 313 and the female side connection terminals 321, 322, 323 are stacked on the pressing mechanism 5. The operation process for connecting the male connector 11 and the female connector 12 is completed by generating a pressing force pressing in the direction and sliding the lid member 6.

  FIG. 2C shows a state where the cam ring 52 has moved in a direction away from the rotating member 51 as the rotating member 51 rotates. In this state, the pressing mechanism 5 applies a pressing force to press the male side connection terminals 311 to 313, the female side connection terminals 321 to 323, and the first to fourth insulating members 41 to 44 in the stacking direction. It has occurred. Due to this pressing force, the male side connection terminals 311 to 313 and the female side connection terminals 321 to 323 are in contact with each other at a load in a direction in which they contact each other.

  Further, the lid member 6 is guided by the slide groove 211h (shown in FIG. 1A) and moves to the flange portion 211b side, and the protrusion 601 engages with the concave portion 511c formed on the bottom portion 511 of the rotating member 51 to rotate. The rotation of the member 51 is restricted. Further, the tool insertion hole 60a of the lid member 6 is moved to a position shifted from the tool receiving portion 511a, and the tool T is prevented from fitting into the tool receiving portion 511a. Thereby, it is suppressed that the rotating member 51 rotates by vibration, an erroneous operation, etc., and the pressing force by the pressing mechanism 5 falls.

(Configuration of pressing mechanism 5)
The pressing mechanism 5 is configured so that the male side connection terminals 311 to 313, the female side connection terminals 321 to 323, and the first to fourth insulations are rotated by the rotation of the rotating member 51 in the fitted state between the male side housing 21 and the female side housing 22. A pressing force is generated to press the laminated structure including the members 41 to 44 in the laminating direction.

  FIG. 3 shows the structure and operation of the rotating member 51 and the cam ring 52, (a) is a perspective view of the rotating member 51 and the cam ring 52, and (b) to (d) show the operating states of the rotating member 51 and the cam ring 52. It is a side view.

  A first recess 511 b and a second recess 511 c are formed on the bottom 511 of the rotating member 51. A projection (not shown) provided on the lid member 6 that restricts the rotation of the rotating member 51 when the male housing 21 and the female housing 22 are not fitted is engaged with the first recess 511b.

  The cylindrical portion 512 is formed with an annular recess 512a for holding a seal member 237 (shown in FIG. 1B). In addition, a sliding protrusion 512 b that protrudes in a direction parallel to the rotation axis O of the rotating member 51 is formed at the end of the cylindrical portion 512 opposite to the bottom 511. Note that a plurality of sliding protrusions 512b are formed at equal intervals in the circumferential direction of the cylindrical portion 512 (two in this embodiment). In FIG. 3A, one of the sliding protrusions 512b is formed. Only shows.

  The cam ring 52 is combined with the rotating member 51 so as to be relatively movable along the rotation axis O, and is urged toward the bottom 511 of the rotating member 51 by a coil spring 53 (shown in FIG. 1B). The cylindrical portion 522 of the cam ring 52 includes a small diameter portion 522a and a large diameter portion 522b. A slide groove 522c extending along the axial direction of the cylindrical portion 522 is formed on the outer peripheral surface of the large diameter portion 522b. The slide groove 522c is slidably engaged with the above-described protrusion 211d (shown in FIG. 1B) and prevents the cam ring 52 from rotating with respect to the male housing 21.

  Between the small diameter part 522a and the large diameter part 522b, a sliding surface 523 is formed on which the sliding projection 512b slides as the rotating member 51 rotates. The sliding surface 523 is formed between the first flat surface 523a, the second flat surface 523c parallel to the first flat surface 523a, and the first flat surface 523a and the second flat surface 523c. And an inclined surface 523b. The first flat surface 523a is formed at a position farther from the rotating member 51 than the second flat surface 523c. The inclined surface 523b is inclined with respect to the axial direction of the cylindrical portion 522, and is formed to connect the first flat surface 523a and the second flat surface 523c at a constant inclination angle.

  The large-diameter portion 522b is formed with a concave portion 522d that is continuous with the second flat surface 523c and is recessed in the axial direction of the cylindrical portion 522. The sliding projection 512b of the rotating member 51 can be fitted into the recess 522d. Further, a stopper portion 522e that protrudes so as to restrict the movement of the sliding projection 512b toward the one side in the circumferential direction of the cylindrical portion 522 is formed at the end of the recess 522d opposite to the second flat surface 523c. ing.

FIG. 3B shows an initial state in which the sliding projection 512b of the rotating member 51 is in a position where it abuts on the first flat surface 523a of the cam ring 52. When the rotation member 51 from the initial state is rotated in the forward direction relative to the cam ring 52 (the direction indicated by arrow R ₁ in FIG. 3 (a)), as shown in FIG. 3 (c), the sliding protrusion of the rotating member 51 512 b slides on the inclined surface 523 b of the cam ring 52, and the cam ring 52 is separated from the rotating member 51 along the rotation axis O.

  When the rotating member 51 further rotates in the positive direction with respect to the cam ring 52, the sliding protrusion 512b of the rotating member 51 slides on the second flat surface 523c of the cam ring 52 as shown in FIG.

  Further, when the rotating member 51 rotates in the forward direction with respect to the cam ring 52, as shown in FIG. 3A, the sliding protrusion 512b of the rotating member 51 is fitted into the recess 522d, and the rotating member 51 is moved in the forward direction. The rotation is restricted by the stopper portion 522e.

  As described above, when the rotating member 51 rotates in the forward direction, the cam ring 52 moves in the direction away from the rotating member 51 along the rotation axis O, and the coil spring 53 is compressed. At this time, the rotating member 51 does not move in the direction of the rotation axis O, but comes into sliding contact with the annular holding member 214.

  The coil spring 53 presses the output member 54 by its restoring force. Between the output member 54 and the convex portion 211e formed on the first element 211 of the male housing 21, the male connection terminals 311 to 313, the female connection terminals 321 to 323, and the first to fourth insulating members are provided. Since the laminated structure consisting of 41 to 44 is interposed, the restoring force of the compressed coil spring 53 becomes a pressing force for pressing the laminated structure in the lamination direction. That is, the output member 54 receives the elastic force of the coil spring 53 and outputs this elastic force as a pressing force for pressing the laminated structure.

(Configuration and support structure of output member 54)
4A and 4B show a configuration example of the output member 54, where FIG. 4A is a side view and FIG. 4B is a perspective view. As a material of the output member 54, an insulating resin similar to the second element 212 and the third element 213 of the male housing 21 can be used.

  4A and 4B, the output member 54 includes a pair of supported portions 541 and 542, and a pressure receiving portion 543 formed between the supported portion 541 and the supported portion 542. It has one. As shown in FIG. 1B, the pressure receiving portion 543 is formed as a bottom surface of a recess that accommodates one end of the washer 530 and the coil spring 53, and is formed in a flat plate shape that receives the elastic force of the coil spring 53.

  The supported parts 541 and 542 have plate-like contact pieces 541a and 542a parallel to the pressure receiving part 543, and plate-like protrusion pieces 541b and 542b that protrude in a direction perpendicular to the contact pieces 541a and 542a. It is formed in a letter shape. A step is formed between the contact pieces 541a and 542a and the pressure receiving portion 543, and the pressure receiving portion 543 is formed to be recessed with respect to the supported portions 541 and 542 by this step.

  The protruding pieces 541b and 542b are formed so as to protrude in a direction away from the pressure receiving portion 543 with respect to the supported portions 541 and 542. In the present embodiment, the protruding piece 541b and the protruding piece 542b are formed separately from each other, but the protruding piece 541b and the protruding piece 542b may be formed continuously.

  When the male housing 21 and the female housing 22 are not fitted, the output member 54 is supported by the supported portions 541 and 542 contacting the pair of wall portions 212a and 212b of the second element 212, respectively. .

  5A and 5B show configuration examples of the second element 212 and the third element 213 of the male housing 21, wherein FIG. 5A is a plan view seen from the same direction as FIG. 1A, and FIG. 5B is a perspective view.

  The pair of wall portions 212a and 212b have a flat plate shape parallel to each other, and are formed so as to protrude from the holding portion 212d of the second element 212 holding the third element 213 in the opposite direction to the terminal block portion 212c. The wall 212a and the wall 212b are opposed to each other with the contact pieces 311a to 313a of the male connection terminals 311 to 313 interposed therebetween.

  The male side connection terminals 311 to 313 are guided by a guide portion 213b (shown in FIG. 1B) of the third element 213, and the contact pieces 311a to 313a are located between the end surface of the third element 213 and the pair of wall portions 212a and 212b. It protrudes. The third element 213 is formed with two engaging protrusions 213c that engage with the inner surface of the cylindrical portion 211a of the first element 211.

Wall 212a and the wall portion 212b has a square-shaped corner portion has a notched cutout shape of a rectangle, in the notched portion, the first end face 212a parallel to the connector fitting direction ₁ 212b ₁ and second end faces 212a ₂ and 212b ₂ perpendicular to the connector fitting direction.

  6A and 6B show a state in which the output member 54 is supported by the pair of wall portions 212a and 212b. FIG. 6A is a plan view and FIG. 6B is a perspective view.

The output member 54 is supported by the supported portions 541 and 542 being in contact with one end portion (end portion on the rotating member 51 side) of the laminated structure in the pair of wall portions 212a and 212b. More specifically, in the output member 54, the contact pieces 541a and 542a of the supported portions 541 and 542 are in contact with the first end surfaces 212a ₁ and 212b ₁ of the pair of wall portions 212a and 212b, so Supported in the stacking direction of the structure.

Further, the output member 54 is supported in the connector fitting direction by the projecting pieces 541b and 542b of the supported portions 541 and 542 being in contact with the second end surfaces 212a ₂ and 212b ₂ of the pair of wall portions 212a and 212b. . The pressure receiving portion 543 is disposed so as to be recessed toward the contact piece 311a side of the male connection terminal 311 with respect to the first end faces 212a ₁ and 212b ₁ .

  7A and 7B show a configuration example of the male connector 11, where FIG. 7A is a perspective view showing an end portion on the side fitted to the female housing 22, and FIG. 7B is a perspective sectional view.

  As shown in FIG. 7, the pair of wall portions 212a and 212b are interposed between the cylindrical portion 211a of the first element 211 and the contact pieces 311a to 313a of the male connection terminals 311 to 313, and the first element 211 is inserted. It has a function of preventing a short circuit or leakage between the male connection terminals 311 to 313 (or between the female connection terminals 321 to 323).

The first element 211 has a pair of protrusions 211i and 211j so that the contact pieces 541a and 542a of the output member 54 are sandwiched between the first end surfaces 212a ₁ and 212b ₁ of the pair of walls 212a and 212b. Is formed. The gap between the first end faces 212a ₁ and 212b ₁ and the pair of protrusions 211i and 211j is formed with a size larger than the thickness of the contact pieces 541a and 542a.

In the present embodiment, when the male housing 21 and the female housing 22 are not fitted, the contact pieces 541a and 542a of the output member 54 have the first end faces 212a ₁ and 212b ₁ by the elastic force of the coil spring 53. It is comprised so that it may be pressed on. However, in this unfitted state, the pair of wall portions 541a and 542a are not pressed against the _first end faces 212a ₁ and 212b ₁ , that is, the output member 54 has play in the stacking direction. It may be supported by 212a and 212b.

  8A is a perspective view of the male connector 11 viewed from an angle different from that in FIG. 7A, and FIG. 8B is a perspective sectional view thereof.

As shown in FIG. 8, a gap in the connector fitting direction is formed between the projection 211j of the first element 211 and the second end surface 212b ₂ (see FIG. 5) of the wall portion 212b, and an output is provided in this gap. The protruding piece 542b of the member 54 is interposed. That is, between the second end surface 212b ₂ and the projection 211j of the wall portion 212b, a portion of the output member 54 (projecting piece 542b) is interposed. Further, although not shown, also between the end face 212a ₂ second protrusions 211i and the wall portion 212a of the first element 211, the connector fitting direction of the gap is formed, output to the gap member 54 Projecting piece 542a is interposed. This restricts the movement of the output member 54 in both directions along the connector fitting direction (the fitting direction between the male housing 21 and the female housing 22 and the reverse direction thereof).

  9A (a) is a cross-sectional view taken along line AA in FIG. 8 (a), and FIG. 9 A (b) is a partially enlarged view of FIG. 9A (a). FIG. 9A (c) is a diagram illustrating a state where the output member 54 has moved in the stacking direction in FIG. 9A (b). FIG. 9B is an explanatory diagram in which the output member 54 and the coil spring 53 are not shown in FIG. 9A (b), and the gap between the wall portion 212b and the protrusion 211j is clearly shown.

As shown in FIG. 9B, the projections 211 j, a first end face 211 j ₁ facing the first end surface 212b ₁ of the wall portion 212b, a second end surface facing the second end face 212b ₂ of the wall portion 212b 211 j ₂ and are formed. The first end surface 212b ₁ and the first end surface 211j ₁ , and the second end surface 212b ₂ and the second end surface 211j ₂ are formed so as to be parallel to each other.

Between the first end surface 212b ₁ of the wall portion 212b and the first end surface 211 j ₁ of the protrusion 211 j, the first gap _{S 1} is formed. Between the second end surface 212b ₂ of the wall portion 212b and the second end surface 211 j ₂ of the projection 211 j, the second gap _{S 2} is formed. That is, the second gap S ₂ is the clearance of the formed connector fitting direction between the second end face 212b ₂ which face each other in the connector fitting direction with the second end surface 211 j _2.

The first gap S ₁ is formed so as to extend along the connector fitting direction, the second gap S _2, the connector from one end of the first gap S ₁ (end of terminal block 212c side) It is formed so as to be orthogonal to the fitting direction. Thus, between the wall portion 212b and the projection 211 j, the first gap S ₁ and the second L-shaped gaps formed of the gap S ₂ is formed.

As shown in FIG. 9A (b), the contact piece 542a of the output member 54, between the first end surface 211j ₁ of the first end surface 212b ₁ and the projection 211j of the wall portion 212b, namely the first clearance S ₁ is interposed. Since the distance between the first end surface 212b ₁ and the first end surface 211j ₁ is set to be larger than the thickness of the contact piece 542a, the contact piece 542a is the first end surface of the wall portion 212b. in a state where the 212b ₁ abuts, a space is formed between the contact piece 542a and the first end surface 211 j _1. The output member 54 can move in a direction perpendicular to the contact piece 542a (the stacking direction of the stacked structure) within the space.

Further, the projecting piece 542b of the output member 54, between the second end surface 211j ₂ projections 211j facing the wall portion second end face 212b ₂ and the second end surface 212b of the 212b _2, that is, the second gap S ₂ is interposed. The distance between the second end face 212b ₂ and the second end surface 211 j ₂ is set to slightly larger dimensions than the thickness of the projecting piece 542b. Thus, the output member 54, when receiving an external force connector fitting direction (the left direction in FIG. 9A (b)), the protruding piece 542b is brought into contact with the second end face 212b ₂ of the wall portion 212b, the when subjected to external force in the opposite direction (right direction in FIG. 9A (b)), the protruding piece 542b is in contact with the second end surface 211 j ₂ of the projection 211 j, moving against the male housing 21 is restricted. The protruding piece 542a, the wall 212a, and the protrusion 211i are configured in the same manner.

When the male housing 21 and the female housing 22 are fitted, the male connection terminals 311 to 313, the female connection terminals 321 to 323, and the first to fourth insulating members 41 to 44 have a laminated structure. The output member 54 is pushed up to the cam ring 52 side by the first insulating member 41, and the contact pieces 541a and 542a are separated from the _first end surfaces 212a ₁ and 212b ₁ of the pair of wall portions 212a and 212b. When the rotating member 51 is rotated in this state, the cam ring 52 moves so as to approach the output member 54 with respect to the rotating member 51, and the coil spring 53 is compressed.

  The output member 54 receives the elastic force of the compressed coil spring 53 and presses the male side connection terminals 311 to 313 and the female side connection terminals 321 to 323 in the stacking direction so as to contact each other at their respective contacts. Thereby, the reliable contact in each contact is obtained.

  The output member 54 and the second element 212 are assembled to the first element 211 in a state where the output member 54 is pressed against the cam ring 52 against the elastic force of the coil spring 53. This can be done by press-fitting into the cylindrical portion 211 a of the first element 211 together with the element 213.

(Operation and effect of the present embodiment)
According to the present embodiment described above, the following effects can be obtained.

(1) When the male housing 21 and the female housing 22 are not fitted, the output member 54 can be supported in the male housing 21 without being held by bonding with the coil spring 53, for example. Become. Thereby, the intensity | strength of the connector apparatus 10 can be raised and an assembly | attachment can be made easy.

(2) Since the output member 54 is formed with a pressure receiving portion 543 that receives the elastic force of the coil spring 53 between the pair of supported portions 541 and 542 that respectively contact the pair of wall portions 212a and 212b, the output member It is possible to stabilize the posture of 54 in the male housing 21. Thereby, fitting with the male side housing 21 and the female side housing 22 can be performed smoothly.

(3) In the output member 54, the protruding pieces 541b and 542b of the pair of supported portions 541 and 542 are in the connector fitting direction between the pair of wall portions 212a and 212b and the projections 211i and 211j of the first element 211. Therefore, the movement of the output member 54 relative to the male housing 21 in the connector fitting direction and in the opposite direction is restricted. Thereby, the output member 54 can be supported with a simple configuration, and the connector device 10 can be downsized.

(4) If the male connector 11 is configured so that the output member 54 is pressed against the pair of wall portions 212a and 212b by the coil spring 53 in a state in which the male housing 21 and the female housing 22 are not fitted, the male connector 11 is not fitted. The position and posture of the output member 54 in the state can be stabilized. Further, by compressing the coil spring 53 in advance, it is possible to increase the pressing force for pressing the laminated structure after the male housing 21 and the female housing 22 are fitted.

  As mentioned above, although each embodiment of the present invention was described, each embodiment described above does not limit the invention concerning a claim. In addition, it should be noted that not all the combinations of features described in the embodiments are essential for the means for solving the problems of the invention.

  Further, the present invention is not limited to the configuration described in the above embodiment, and can be appropriately modified and implemented without departing from the technical idea of the present invention. For example, in the above-described embodiment, the case where the number of the male side connection terminals and the number of the female side connection terminals is 3 has been described. However, the number is not limited thereto, and may be 2 or 4 or more. Moreover, there is no restriction | limiting also in the use of a connector apparatus.

DESCRIPTION OF SYMBOLS 5 ... Pressing mechanism, 6 ... Lid member, 10 ... Connector apparatus, 11 ... Male connector, 12 ... Female connector, 14 ... Cover member, 21 ... Male side housing (1st housing), 22 ... Female side housing (2nd housing) ), 31c ... through holes, 41-44 ... first to fourth insulating members, 41a, 42a, 43a ... recesses, 51 ... rotating members, 52 ... cam rings, 53 ... coil springs (elastic members), 54 ... output members, 60 ... Main body, 60a ... Tool insertion hole, 61 ... First support, 62 ... Second support, 131, 132, 133 ... Electric wire, 131a, 132a, 133a ... Core wire, 131b, 132b, 133b ... Insulating coating 211 a first element (outer housing member) 211 a a cylinder part 211 b a flange part 211 c a holding hole 211 d a projection 211 e a convex part 211 f a support Causing, 211 g ... fitting projection, 211h ... slide groove, 211i, 211 j ... projection, 211 j 1 _... first end surface, 211 j 2 _... second end surface, 212 ... second element (inner housing member), 212a, 212b ... Wall part, 212a ₁ , 212b ₁ ... 1st end surface, 212a ₂ , 212b ₂ ... 2nd end surface, 212c ... Terminal block part, 212d ... Holding part, 212e ... Insertion hole, 213 ... 3rd element, 213a ... Projection Part, 213b ... guide part, 213c ... engagement projection, 214 ... annular holding member, 221 ... first element, 221a ... accommodating part, 221b ... holding part, 221c ... through hole, 221d ... fitting recess, 221e ... opening, 222: second element, 223, 224 ... seal member, 231, 232 ... annular seal member, 233-237 seal member, 311, 12, 313 ... male side connection terminal (first connection terminal), 311a, 312a, 313a ... contact piece, 311b, 312b, 313b ... connection part, 311c, 312c, 313c ... washer piece, 321, 322, 323 ... female side Connection terminal (second connection terminal), 321a, 322a, 323a ... contact piece, 321b, 322b, 323b ... caulking part, 511 ... bottom part, 511a ... tool receiving part, 511b ... first recess, 511c ... second Recessed portion 512 ... Cylindrical portion 512a ... Annular recess 512b ... Sliding projection 521 ... Bottom portion 522 ... Cylindrical portion 522a ... Small diameter portion 522b ... Large diameter portion 522c ... Slide groove 522d ... Recessed portion 522e ... Stopper part, 523 ... sliding surface, 523a ... first flat surface, 523b ... inclined surface, 523c ... second flat surface, 530 ... washer, 541, 542 ... covered Supporting portion, 541a, 542a ... contact piece, 541b, 542b ... projecting piece, 543 ... pressure receiving portion, 601 ... projection, S 1 _... first gap, S 2 _... second gap

Claims (3)

A plurality of first connection terminals;
A plurality of second connection terminals respectively connected to the plurality of first connection terminals;
A first housing holding the plurality of first connection terminals;
A second housing holding the plurality of second connection terminals;
A plurality of insulating members interposed between the contact points of the plurality of first connection terminals and the plurality of second connection terminals when the first housing and the second housing are fitted;
The plurality of first connection terminals, the plurality of second connection terminals, and the plurality of insulating members that have a laminated structure due to the fitting of the first housing and the second housing are pressed in the lamination direction. A pressing mechanism for generating pressure,
The pressing mechanism includes a rotating member that is rotatably supported by the first housing, an elastic member that is compressed in the stacking direction by the rotation of the rotating member, and receives the elastic force of the elastic member as the pressing force. An output member for outputting,
The first housing has an electrically conductive outer housing member and an insulating material interposed between the outer housing member and the plurality of first connection terminals, facing each other across the plurality of first connection terminals. An inner housing member having a pair of walls,
The output device is a connector device supported in the stacking direction by contacting the pair of wall portions when the first housing and the second housing are not fitted. The output member is formed between a pair of supported portions that respectively contact the end portions of the pair of wall portions in the stacking direction, and a pressure receiving portion that receives the elastic force of the elastic member. And having
The connector device according to claim 1. A gap in the fitting direction between the first housing and the second housing is formed between the inner housing member and the outer housing member,
The output member is restricted from moving in the fitting direction with respect to the first housing and in the opposite direction because at least a part of the pair of supported parts is interposed in the gap.
The connector device according to claim 1 or 2.

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