JP2011129317A - Connection structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connection structure that reduces deterioration in insertion/extraction properties of a joint terminal on the insertion side even without separately providing a holding jig for holding an insulating member, and also, ensures minimum insertion properties of the joint terminal on the insertion side even if a joint terminal on the side to be inserted, to which the insulating member is fixed, is deformed. <P>SOLUTION: Each of first joint terminals 4a-4c is integrally fixed with insulating members 8a-8c arranged adjacently to each other on the other-face side. A first terminal housing 5 and a second terminal housing 7 are not fitted to each other. The insulating members 8a, 8b (or 8b, 8c, or 8c, 8d) are arranged oppositely to each other so as to sandwich each joint-terminal pair therebetween. The first joint terminal 4a (or 4b, or 4c) is arranged between opposing faces of the insulating members 8a, 8b (or 8b, 8c, or 8c, 8d). In such a state, a gap maintaining means for maintaining a prescribed gap between the opposing faces of the insulating members 8a, 8b (or 8b, 8c, or 8c, 8d) is provided between the opposing faces of the insulating members 8a, 8b (or 8b, 8c, or 8c, 8d) in order to secure minimum insertion properties of a second joint terminal 6a (or 6b, or 6c), paired with the first joint terminal 4a (or 4b, or 4c), even if the first joint terminal 4a (or 4b, or 4c) is deformed. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a connection structure that can be used in, for example, a connecting portion of a power harness that is used in an eco-car such as a hybrid vehicle and an electric vehicle, and used to transmit a large amount of power. .

  In recent years, significant progress has been made, for example, in hybrid vehicles, electric vehicles, etc., when transferring a large amount of power for connecting devices, such as between a motor and an inverter, or between an inverter and a battery. For example, a power harness used in the above-described configuration includes, on one end side thereof, a male terminal and a male connector portion including a first terminal housing that houses the male terminal, a female terminal connected to the male terminal, and the female terminal. The connector of the 2 division | segmentation structure with the female side connector part provided with the 2nd terminal housing to accommodate is provided (for example, refer patent document 1).

  In recent years, such eco-cars have been reduced in weight for all parts for the purpose of improving energy-saving performance. However, one of the effective means for reducing the weight is to reduce the size. I hit it.

  Therefore, as a known technique, for example, there is a technique as disclosed in Patent Document 2.

  The technique disclosed in Patent Document 2 is a vehicle that connects a joint terminal of a plurality of phases of conductive members drawn from a motor for driving a vehicle and a joint terminal of a plurality of phases of a power line cable drawn from an inverter that drives the motor. In the electrical connection structure for use, the joining terminal of each phase of the conductive member and the joining terminal of each phase of the corresponding power line cable are polymerized, and the insulating member is disposed on the surface opposite to the overlapping surface of the joining terminal. In this technique, the joined terminals and insulating members of each polymerized phase are fastened and fixed in the polymerizing direction by a single bolt provided at a position penetrating them.

  That is, the technique of Patent Document 2 is a method in which a single bolt is fastened in a superposition direction (stacking direction), thereby joining a plurality of contact points of joint terminals, which are superposition surfaces of joint terminals, at a time. Although the connection structure is such that the terminals are fixed to each other and electrically connected to each other, such a configuration is effective in that the size can be easily reduced as compared with the technique disclosed in Patent Document 1.

  Furthermore, the technology of Patent Document 2 is a structure that can hold the interval between the insulating members by holding the insulating member that sandwiches the contacts between the joining terminals with a holding jig that is separately provided. This is effective in terms of insertion / extraction of the junction terminal.

JP 2009-070754 A Japanese Patent No. 4037199 US Pat. No. 5,760,339

  However, in recent years, there has been a demand for further downsizing of the connection structure, and there is a problem that providing a holding jig for holding the insulating member may be a factor that hinders downsizing.

  Therefore, the present inventors have decided not to employ the configuration of the holding jig but to hold the interval between the insulating members by fixing the insulating member (insulating plate) to the tip end side of the joining terminal.

  Although this method was a very effective method, when the bolt was tightened and loosened, the joint terminal sometimes deformed so as to be inclined in the bolt tightening direction over time. If this deformation progresses excessively, it is considered that the deformation of the joining terminal develops to the extent that the insulating members are in contact with each other on the inserted side. As a result, the bonding terminal is very difficult to insert.

  The present invention has been made in view of the above circumstances, and it is possible to reduce a decrease in insertion / extraction property of the joining terminal on the insertion side without separately providing a holding jig for holding the insulating member. It is an object of the present invention to provide a connection structure that ensures a minimum insertion property in a joining terminal on the insertion side even if the joining terminal on the insertion side to be fixed is deformed.

  The present invention has been devised to achieve the above object, and includes a first terminal housing in which a plurality of first joint terminals are arranged and stored, and a plurality of second joint terminals that are arranged and stored. A second terminal housing, and a plurality of insulating members arranged and accommodated in the first terminal housing, and the first terminal housing and the second terminal housing are fitted together, the plurality of first Each of the one surface of the joining terminal and each of the one surface of the plurality of second joining terminals face each other, and each of the plurality of insulating members faces the plurality of facing first joining terminals and second joining terminals. In the connection structure that is in a stacked state arranged so as to sandwich each of the plurality of joint terminal pairs consisting of the above, by pressing the insulating member adjacent by the head, A plurality of first joint terminals and a plurality of second joint terminals are collectively fixed at each contact and provided with a connecting member for electrical connection, and each of the plurality of first joint terminals is provided on the other surface side. It is fixed integrally with an insulating member disposed adjacent to each other, and faces each other so as to sandwich each of the plurality of joint terminal pairs in a state where the first terminal housing and the second terminal housing are not fitted. Even between the opposing surfaces of the insulating member, even if the first junction terminal disposed between the opposing surfaces is deformed, the minimum insertion property of the second junction terminal paired with the first junction terminal is ensured. Therefore, the connection structure is characterized in that a gap maintaining means for maintaining a predetermined gap is provided between the opposing surfaces.

  Further, the connection member has a head and a shaft connected to the head, and the shaft is connected to each of the plurality of first connection terminals and the plurality of second connection terminals with the plurality of contacts. The plurality of first joining terminals and the plurality of second joining terminals are collectively fixed at each contact by pressing the adjacent insulating member by the head and pressing the insulating members adjacent to each other. It is good also as a penetration type connection member made from a nonelectroconductive material at least the part which penetrates each contact connected to.

  Further, the gap maintaining means is formed on the opposing surface of the insulating member facing one surface of the first joint terminal disposed between the opposing surfaces and avoids the second joint terminal inserted between the opposing surfaces. And a protrusion that maintains a predetermined gap between one surface of the first joint terminal disposed between the opposing surfaces and the opposing surface of the insulating member facing the one surface. It is good to form so that height may become lower than the thickness of the 2nd junction terminal inserted between the said opposing surfaces.

  Further, the gap maintaining means is formed on the opposing surface of the insulating member facing the other surface of the first joint terminal disposed between the opposing surfaces, and the first joint terminal and the second sandwiched between the opposing surfaces. It is formed at a position that avoids the joining terminal, and includes a protrusion that maintains a predetermined gap between one surface of the first joining terminal disposed between the facing surfaces and the facing surface of the insulating member facing the one surface, The height of the protrusion is higher than the thickness of the first joint terminal disposed between the opposing surfaces, and the total thickness of the first joint terminal and the second joint terminal sandwiched between the opposing surfaces. It is good to form so that it may become low.

  Further, the gap maintaining means is formed on one surface of the first joint terminal disposed between the facing surfaces, and is formed at a position avoiding the second joint terminal inserted between the facing surfaces. A protrusion that maintains a predetermined gap between one surface of the first junction terminal disposed between the surfaces and the opposing surface of the insulating member facing the one surface, and the protrusion has a height between the opposing surfaces. It is good to form so that it may become lower than the thickness of the 2nd junction terminal inserted.

  Further, the gap maintaining means is formed on the opposing surface of the insulating member facing one surface of the first joint terminal disposed between the opposing surfaces, and the one surface of the first joint terminal disposed between the opposing surfaces and the surface The protrusion includes a protrusion that maintains a predetermined gap between the one surface and the facing surface of the insulating member facing the surface, and the height of the protrusion is lower than the thickness of the second junction terminal inserted between the facing surfaces. The second junction terminal formed between the opposing surfaces may be formed in a shape that avoids the protrusion.

  Further, the gap maintaining means is formed on the opposing surface of the insulating member facing the other surface of the first joint terminal disposed between the opposing surfaces, and one surface of the first joint terminal disposed between the opposing surfaces. The protrusion includes a protrusion that maintains a predetermined gap between the one surface and the facing surface of the insulating member facing the one surface, and the height of the protrusion is higher than the thickness of the first joining terminal disposed between the facing surfaces. And the first junction terminal and the second junction terminal sandwiched between the opposing surfaces are formed so as to be lower than the total thickness of the first junction terminal and the second junction terminal sandwiched between the opposing surfaces, It is good to form in the shape which avoids the said protrusion.

  The gap maintaining means is formed on one surface of the first joint terminal disposed between the opposing surfaces, and the one surface of the first joint terminal disposed between the opposing surfaces faces the insulating member facing the one surface. A protrusion that maintains a predetermined gap with the surface, and the protrusion is formed such that its height is lower than the thickness of the second junction terminal inserted between the opposing surfaces, The second joining terminal inserted into the board may be formed in a shape that avoids the protrusion.

  The protrusion may be formed at a position closer to the insertion side of the second joining terminal inserted between the opposing surfaces.

  The insulating member fixed to each of the plurality of first joining terminals is formed with a fitting groove for fitting the first joining terminal to be fixed, and the first fixing target is inserted into the fitting groove. The joining terminals are preferably fitted and fixed together.

  According to the present invention, even if a holding jig for holding the insulating member is not separately provided, the deterioration of the insertion / extraction property of the insertion terminal on the insertion side is reduced, and for example, the insertion side joining to which the insulating member is fixed is performed. Even if the terminal is deformed, it is possible to ensure a minimum insertion property in the joining terminal on the insertion side.

It is a perspective view which shows the 1st connector part and 2nd connector part which comprise the connector which concerns on one embodiment of this invention. It is a perspective view which shows the connector after fitting the 1st connector part and the 2nd connector part. It is sectional drawing which shows the connector after fitting the 1st connector part and the 2nd connector part. It is sectional drawing which shows a 1st connector part. It is a figure which shows a 1st junction terminal, (a) is a side view, (b) is a bottom view. It is sectional drawing which shows a 2nd connector part. It is a figure which shows a 2nd junction terminal, (a) is a side view, (b) is a bottom view. It is a figure which shows a 2nd junction terminal, (a) is a side view, (b) is a bottom view. It is sectional drawing which shows the connector before fitting a 1st connector part and a 2nd connector part. It is a figure which shows an insulating member, (a) is a side view, (b) is a top view. (A), (b) is a figure explaining the formation position of a preferable protrusion. It is a figure which shows an example of the shape of the 2nd junction terminal for dodging a processus | protrusion. It is a figure explaining the modification of this invention. It is a figure explaining the modification of this invention.

  Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

  Here, a connector will be described as an example of the connection structure of the present invention.

  FIG. 1 is a perspective view showing a first connector portion and a second connector portion of the connector according to the present embodiment, and FIG. 2 shows a state where the first connector portion and the second connector portion are fitted together. FIG. 3 is a perspective view showing the connector, and FIG. 3 is a sectional view thereof.

  As shown in FIGS. 1-3, the connector 1 which concerns on this Embodiment is comprised by the 1st connector part 2 and the 2nd connector part 3, and by making these connector parts 2 and 3 fit, a some This is for connecting the power lines together.

  More specifically, the connector 1 includes a first connector portion 2 having a first terminal housing 5 in which a plurality (three) of first joining terminals (male terminals) 4a to 4c are arranged and stored, and a plurality ( A second connector portion 3 having a second terminal housing 7 in which three) second connecting terminals (female terminals) 6a to 6c are arranged and accommodated; A plurality of insulating members (insulating plates) 8a to 8d that are provided so as to sandwich each of the plurality of first connecting terminals 4a to 4c and insulate between the first connecting terminals 4a to 4c; When the 1st terminal housing 5 and the 2nd terminal housing 7 of the 2nd connector part 3 are made to fit, each one surface of several 1st junction terminals 4a-4c and one surface of several 2nd junction terminals 6a-6c Face each other so as to form a pair (first joint terminal 4a and second joint terminal 6a, first joint terminal 4b and second joint terminal 6b, each pair of first joint terminal 4c and second joint terminal 6c). In addition, each of the plurality of insulating members 8a to 8d is stacked so as to sandwich each of the plurality of joining terminal pairs including the first joining terminals 4a to 4c and the second joining terminals 6a to 6c facing each other. It will be.

  The connector 1 is used, for example, for connection between a vehicle driving motor and an inverter that drives the motor.

  More specifically, the first terminal housing 5 (the left portion in FIG. 1) of the first connector portion 2 is fitted to the shield case of the motor and is exposed from the first terminal housing 5. The joint terminals 4a to 4c are connected to the terminals of the terminal block installed in the motor shield case. By fitting the second connector portion 3 electrically connected to the inverter to the first connector portion 2, the motor and the inverter are electrically connected. The above is the connection on the motor side, but the same applies to the connection on the inverter side.

  Hereinafter, each structure of the connector parts 2 and 3 is explained in full detail.

  As shown in FIG. 4, the first connector portion 2 holds the three first joint terminals 4 a to 4 c in an aligned state in a state of being separated at a predetermined interval. A first terminal housing 5 in which 4c is arranged and stored; a plurality of substantially rectangular parallelepiped-shaped insulating members 8a to 8d that are arranged and stored in the first terminal housing 5; a head portion 9b and a head portion 9b The shaft portion 9a, and the shaft portion 9a penetrates through the respective contact points and the plurality of insulating members 8a to 8d according to the plurality of first joining terminals 4a to 4c and the plurality of second joining terminals 6a to 6c, By pressing the adjacent insulating member by the head 9b, the plurality of first joint terminals 4a to 4c and the plurality of second joint terminals 6a to 6c are collectively fixed at each contact and electrically connected, at least The part through each contact is non-conductive Connecting member for at material forming and a (feedthrough connecting member) 9.

  The first terminal housing 5 may be a male (male side terminal housing) or a female (female side terminal housing) as a terminal housing. Here, the case where the 1st terminal housing 5 is a male side terminal housing is demonstrated as an example.

  The first joint terminals 4a to 4c are plate-like terminals and are non-conductive resins (for example, PPS (polyphenylene sulfide) resin, PPA (polyphthalamide) resin, PA (polyamide) resin, PBT (polybutylene terephthalate)). , Epoxy-based resin) and are aligned and held at a predetermined interval from a resin molded body 10 which is a part of the first terminal housing 5. As a method of holding the first joint terminals 4a to 4c in the resin molded body 10, for example, a method of inserting the first joint terminals 4a to 4c when molding the resin molded body 10 and then curing and holding the resin, There is a method in which the first joint terminals 4a to 4c are press-fitted and held in a pre-molded resin molded body 10.

  Moreover, each of the 1st junction terminals 4a-4c is integral with the insulating members 8a-8c arrange | positioned adjacent to the other surface (surface on the opposite side to the surface joined to 2nd junction terminals 6a-6c) side. Fixed to. That is, as described above, the resin molded body 10 holds the first joint terminals 4a to 4c so as to be spaced apart and aligned at a predetermined interval, but the tips of the first joint terminals 4a to 4c that are held are held. Since the insulating members 8a to 8c are integrally fixed to the side, as a result, the insulating members 8a to 8c are also separated and aligned at a predetermined interval. By comprising in this way, the insulation between each contact and the insertion property of the 2nd junction terminals 6a-6c at the time of a fitting are ensured.

  Electricity of different voltage and / or current is transmitted to each of the first joint terminals 4a to 4c. For example, in the present embodiment, a three-phase AC power supply line for the motor and the inverter is assumed, and ACs having different phases by 120 ° are transmitted to each of the first joint terminals 4a to 4c. Each of the first connecting terminals 4a to 4c is preferably made of a metal having high conductivity such as silver, copper, or aluminum for the purpose of reducing power transmission loss in the connector 1 or the like. Moreover, each of the 1st junction terminals 4a-4c has some flexibility.

  The plurality of insulating members 8a to 8d are arranged and stored in the first terminal housing 5 and are opposite to the other surfaces (the surfaces to be joined to the second joining terminals 6a to 6c) of the plurality of first joining terminals 4a to 4c. A plurality of first insulating members 8a to 8c that are integrally fixed to each of the first surface of the first terminal housing 5 and a plurality of first connecting terminals 4a to 4c. And the other surface of the second joint terminal 6c located on the outermost side when the plurality of second joint terminals 6a to 6c are in a laminated state (surface opposite to the surface joined to the first joint terminal 4c) The second insulating member 8d is provided so as to face each other.

  The plurality of insulating members 8a to 8d are fixed at positions that protrude toward the distal ends of the first connecting terminals 4a to 4c. As for each of these insulating members 8a-8d, each corner | angular part by which the 2nd junction terminal 6a-6c is inserted / extracted is chamfered. 5A and 5B, the plurality of first insulating members 8a to 8c are formed with fitting grooves 11 for fitting the first joint terminals 4a to 4c to be fixed. The The first joining terminals 4a to 4c to be fixed are fitted into the fitting groove 11 and fixed integrally. Thereby, the step between the first insulating members 8a to 8c and the first joint terminals 4a to 4c is compensated, and the lower surfaces (lower surfaces in the drawing) of the plurality of first insulating members 8a to 8c are the first joint terminals 4a to 4c. It becomes the same surface as the lower surface (lower surface in the figure) of 4c. With these configurations, the insertability of the second joint terminals 6a to 6c with respect to the first joint terminals 4a to 4c when the first connector portion 2 and the second connector portion 3 are fitted is improved. In FIG. 5A, the structure of the first insulating member 8a is simplified, and the first insulating members 8a to 8c are drawn in the same manner.

  Although details will be described later, a protrusion 43 is formed on the upper surfaces of the insulating members 8b to 8d (surfaces adjacent to the second joint terminals 6a to 6c when they are in a laminated state).

  Referring to FIG. 4 again, the connecting member 9 penetrates the plurality of joining terminal pairs including the plurality of facing first joining terminals 4a to 4c and the second joining terminals 6a to 6c and the plurality of insulating members 8a to 8d. In addition, at least a plurality of joint terminal pairs have a shaft portion 9a whose surface is made non-conductive and a head portion 9b as a pressing portion formed integrally with the shaft portion 9a.

  More specifically, the connecting member 9 is a non-conductive material as a non-conductive material on the outer periphery of a metal (for example, SUS, iron, copper alloy, etc.) bolt (for example, cap bolt) 12 and its shaft portion 9a. The insulating layer 13 is formed by coating a resin (for example, PPS (polyphenylene sulfide) resin, PPA (polyphthalamide) resin, PA (polyamide) resin, PBT (polybutylene terephthalate), epoxy resin). For example, a hexagonal hole (not shown) is formed in the head portion 9b of the bolt 12, and the bolt 12 can be rotated and tightened by fitting a tightening tool such as a spanner into the hexagonal hole.

  In addition, as the connection member 9, you may use the thing which all formed with the nonelectroconductive resin, but the outer periphery of the axial part 9a of the metal volt | bolts 12 was covered with the insulating layer 13 from a viewpoint of intensity | strength. Is preferably used. That is, the connecting member 9 is made of a fold structure of the metal bolt 12 and the insulating layer 13 made of non-conductive resin, so that the strength can be increased as compared with the case where the entire connecting member 9 is made of non-conductive resin. it can. As the non-conductive resin that coats the metal bolt 12, a resin having a linear expansion coefficient close to that of the metal constituting the bolt 12 may be used to prevent creep.

  A packing 14 is provided on the outer periphery of the head 9 b of the connection member 9 to prevent water from entering the first terminal housing 5. In addition, an elastic member 15 that applies a predetermined pressing force to the first insulating member 8a is provided between the lower surface of the head 9b of the connecting member 9 and the upper surface of the first insulating member 8a immediately below the head 9b. The elastic member 15 is composed of, for example, a spring made of metal (for example, SUS). In the present embodiment, the elastic member 15 is positioned as a part of the connection member 9.

  A recess 16 that covers (stores) the lower portion of the elastic member 15 is formed on the upper surface of the first insulating member 8a with which the lower portion of the elastic member 15 contacts, and the bottom of the recess 16 (that is, the lower portion of the elastic member 15 contacts). The seat portion is provided with a receiving member 17 made of metal (for example, SUS) that receives the elastic member 15 and prevents damage to the first insulating member 8a made of non-conductive resin.

  The receiving member 17 prevents damage to the first insulating member 8a by dispersing the stress applied from the elastic member 15 to the upper surface of the first insulating member 8a. Therefore, it is preferable to make the contact area between the receiving member 17 and the first insulating member 8a as large as possible. In the present embodiment, in order to increase the contact area between the receiving member 17 and the first insulating member 8a, the receiving member 17 having a shape that contacts the entire bottom surface of the recess 16 is provided.

  The connecting member 9 is inserted into the first terminal housing 5 from the surface side (the upper surface side in FIG. 4) of the first connecting terminals 4a to 4c to which the first insulating members 8a to 8c are fixed, and the shaft portion The screw portion 18 at the tip of 9a is screwed into the screw hole 19 formed in the inner peripheral surface of the first terminal housing 5, so that the head portion 9b of the connection member 9 is directed toward the tip of the shaft portion 9a (FIG. 4). In other words, the plurality of first joining terminals 4a to 4c and the plurality of second joining terminals 6a to 6c are collectively fixed at each contact and electrically connected. .

  The first terminal housing 5 includes a hollow cylindrical body 20 having a substantially rectangular cross section. An outer peripheral portion on one end side (right side in the drawing) of the cylindrical body 20 to be fitted with the second terminal housing 7 is formed in a tapered shape in consideration of fitting properties with the second connector portion 3. A terminal housing waterproof structure 21 that seals between the first connector portion 2 and the second connector portion 3 is provided on the outer peripheral portion on one end side of the cylindrical body 20. The terminal housing waterproof structure 21 includes a recess 22 formed in the outer peripheral portion on the opening side of the cylindrical body 20 and a packing 23 such as an O-ring provided in the recess 22.

  The other end side (the left side in the figure) in the cylindrical body 20 accommodates the resin molded body 10 in which the first joint terminals 4a to 4c are aligned and held. A flange 24 (an attachment hole is omitted) for fixing the first connector portion 2 to a housing (for example, a shield case of a motor) such as a device is formed on the outer periphery on the other end side of the cylindrical body 20. The edge 24 of the flange 24 for inserting a bolt into the mounting hole and fixing it to the housing of the device or the like is provided with a packing or the like that seals between the housing of the device and the first connector portion 2. May be. The configuration of the flange 24 is not based on the premise that the first connector portion 2 is fixed to a housing such as a device, and the flange 24 may be provided in the second connector portion 3. It may be provided in both the first connector part 2 and the second connector part 3. Moreover, it is good also as a free state in which neither the 1st connector part 2 nor the 2nd connector part 3 is fixed to housings, such as an apparatus.

  The flange 24 is also effective in improving heat dissipation. That is, by forming the flange 24, the surface area of the first terminal housing 5 can be increased, and heat generated inside the first connector portion 2 (for example, heat generated at each contact) When heat is radiated to the outside, heat dissipation can be improved.

  A connection member insertion hole 26 for inserting the connection member 9 is formed in an upper portion (upper side in the drawing) of the cylindrical body 20. The connection member insertion hole 26 is formed in a cylindrical shape, and its cylindrical lower end (lower side in the figure) is bent inward. The stroke of the connecting member 9 is regulated by the edge peripheral portion of the lower surface of the head portion 9b of the connecting member 9 coming into contact with the bent portion.

  The cylindrical body 20 is preferably formed of a metal such as aluminum having high electrical conductivity and thermal conductivity in order to reduce shielding performance, heat dissipation, and weight of the connector 1, but is formed of resin or the like. You may do it. When the first terminal housing 5 is formed of a nonconductive resin, the second insulating member 8d and the first terminal housing 5 may be integrally formed of a nonconductive resin. In the present embodiment, the cylindrical body 20 is made of aluminum. In this way, by forming the cylindrical body 20 with aluminum, when the connection member 9 is screwed into the screw hole 19, it can be tightened more firmly than when the cylindrical body 20 is formed with an insulating resin. There is an effect.

  As shown in FIG. 6, the second connector portion 3 includes a second terminal housing 7 in which a plurality (three) of second connecting terminals (female terminals) 6 a to 6 c are arranged and stored. In addition, the connector part by the side which has a female terminal is called the 2nd connector part 3 here. That is, the second terminal housing 7 may be a male (male side terminal housing) or a female (female side terminal housing) as a terminal housing. Here, a case where the second terminal housing 7 is a female terminal housing corresponding to the first terminal housing 5 which is a male terminal housing will be described.

Cables 27a to 27c extending from the inverter side are connected to one end sides of the second connection terminals 6a to 6c, respectively. Since each of these cables 27a to 27c is electrically connected to each of the first joint terminals 4a to 4c via the second joint terminals 6a to 6c, the voltage corresponding to each of the first joint terminals 4a to 4c. And / or current electricity is transmitted respectively. The cables 27 a to 27 c are formed by forming an insulating layer 29 on the outer periphery of the conductor 28. In the present embodiment, the conductor 28 having a cross-sectional area of 20 mm ² is used.

  Each of the cables 27 a to 27 c is aligned and held at a predetermined interval by a cable holding member 30 having a multi-tubular shape (a state in which a plurality of tubes are connected). When the first connector part 2 and the second connector part 3 are fitted to each other, the second joining terminals 6a to 6c are paired with the second joining terminals 6a to 6c by the cable holding member 30, respectively. Thus, it positions and hold | maintains so that it may be located under each of 1st junction terminal 4a-4c which faces (namely, connection object).

  The cable holding member 30 is made of a non-conductive resin or the like so as to insulate the second joining terminals 6a to 6c from each other and prevent a short circuit. Even if each of the cables 27a to 27c connected to each of the second joining terminals 6a to 6c is a cable excellent in flexibility, the second holding terminals 6a to 6c are respectively predetermined by the cable holding member 30. Can be held in the position. That is, in this embodiment, since cables having excellent flexibility can be used as the cables 27a to 27c, the degree of freedom in wiring when the cables 27a to 27c are laid can be improved.

  In addition, the cable holding member 30 holds the cables 27a to 27c. More specifically, the cable holding member 30 holds the end portions of the cables 27a to 27c at positions close to the second connecting terminals 6a to 6c. The second joint terminals 6a to 6c are positioned so as to hold the two joint terminals 6a to 6c in a predetermined position, but the cables 27a to 27c are held and the second joint terminals 6a to 6c are also directly held. The positioning of the second connecting terminals 6a to 6c may be performed. Further, instead of the cable holding member 30, a joining terminal holding member that directly holds the second joining terminals 6 a to 6 c without holding the cables 27 a to 27 c may be used.

  With respect to the cable holding member 30, the second connecting terminals 6a to 6c are positioned by holding the cables 27a to 27c without directly holding the second connecting terminals 6a to 6c. In such a case, by making the cables 27a to 27c flexible, the distal end sides of the second connecting terminals 6a to 6c can be made flexible with respect to the second terminal housing 7. . With this configuration, in the first connector portion 2, the first connecting terminals 4 a to 4 c are deformed by the pressing of the connecting member 9, and even if the position of the portion into which the second connecting terminal is inserted slightly changes. Can respond flexibly.

  Further, a braided shield 31 is wound around the portions of the cables 27a to 27c drawn from the second terminal housing 7 for the purpose of improving the shielding performance. The braided shield 31 is in contact with a cylindrical shield body 41 to be described later, and is electrically connected to the first terminal housing 5 via the cylindrical shield body 41 (the same potential (GND)). In FIGS. 1 and 2, the braided shield 31 is not shown for simplicity.

  As shown in FIGS. 7 and 8, each of the second joining terminals 6 a to 6 c is formed integrally with the caulking portion 32 and the caulking portion 32 for caulking the conductor 28 exposed from the distal ends of the cables 27 a to 27 c. And a U-shaped contact 33. A tapered portion 34 is formed at the distal end portion of the U-shaped contact 33 in order to improve the insertability. When the first connector portion 2 and the second connector portion 3 are fitted, the U-shaped contact 33 is inserted so as to sandwich the shaft portion 9a of the connecting member 9.

  In the present embodiment, in order to reduce the size of the connector 1, the cables 27a to 27c are arranged and held with as little gap as possible. Therefore, as shown in FIG. 8, the second joint terminals 6a to 6c are spaced apart at the same interval by bending the body portion 35 of the second joint terminal 6b connected to the cable 27b disposed in the center during alignment. It was arranged.

  Each of the second connection terminals 6a to 6c is preferably made of a metal such as silver, copper, or aluminum having high conductivity for the purpose of reducing power transmission loss in the connector 1 or the like. Moreover, each of the 2nd junction terminals 6a-6c has some flexibility.

  Referring to FIG. 6 again, the second terminal housing 7 includes a hollow cylindrical body 36 having a substantially rectangular cross section. Since the first terminal housing 5 is fitted into the second terminal housing 7, the inner peripheral portion of one end side (the left side in the drawing) of the cylindrical body 36 fitted with the first terminal housing 5 is the first terminal housing. 5 is formed in a taper shape.

  Conversely, the second terminal housing 7 may be fitted into the first terminal housing 5. In this case, the inner peripheral part on one end side of the cylindrical body 20 constituting the first terminal housing 5 is formed in a tapered shape, and the outer peripheral part on one end side of the cylindrical body 36 constituting the second terminal housing 7 is tapered. The terminal housing waterproof structure 21 may be formed on the outer peripheral portion on one end side of the cylindrical body 36.

  A cable holding member 30 that holds and aligns the cables 27a to 27c is housed on the other end side (the right side in the figure) of the cylindrical body 36. A packingless hermetic portion 37 is formed on the cable insertion side of the cable holding member 30 to prevent water from entering the second terminal housing 7 through the cables 27a to 27c. A packing 38 that abuts against the inner peripheral surface of the first terminal housing 5 is provided on the outer peripheral portion of the cable holding member 30. That is, the connector 1 has a double waterproof structure by the packing 23 provided on the outer periphery of the packing 23 of the terminal housing waterproof structure 21 and the cable holding member 30.

  Further, a rubber boot 39 for preventing water from entering the cylindrical body 36 is covered on the outer periphery of the cylindrical body 36 from which the cables 27a to 27c are drawn. 1 and 2, the rubber boot 39 is not shown for the sake of simplicity.

  Further, when the second connector part 3 and the first connector part 2 are fitted to the upper part (the upper side in the figure) of the cylindrical body 36, the connection member 9 provided in the first connector part 2 is operated. The connection member operation hole 40 is formed. The connection member operation hole 40 also serves as a through hole for allowing the connection member 9 to be inserted into and removed from the first terminal housing 5 after the first terminal housing 5 and the second terminal housing 7 are fitted. I also serve. Due to the role as the through hole, the assembly of the connector 1 can be facilitated.

  The cylindrical body 36 is preferably formed of a metal such as aluminum having high electrical conductivity and thermal conductivity in order to reduce shielding performance, heat dissipation, and weight of the connector 1, but is formed of resin or the like. You may do it. In the present embodiment, since the cylindrical body 36 is formed of a non-conductive resin, an aluminum cylindrical shield is formed on the inner peripheral surface of the other end side of the cylindrical body 36 in order to improve its shielding performance and heat dissipation. A body 41 is provided.

  The cylindrical shield body 41 has a contact portion 42 that contacts the outer periphery of the first terminal housing 5 made of aluminum when the first connector portion 2 and the second connector portion 3 are fitted together. The first terminal housing 5 is thermally and electrically connected to the first terminal housing 5. Thereby, the shielding performance and heat dissipation are improved. In particular, with regard to heat dissipation, significant improvement is expected by positively releasing heat to the first terminal housing 5 side, which is excellent in heat dissipation.

  Next, connection between the first joint terminals 4a to 4c and the second joint terminals 6a to 6c using the connector 1 according to the present embodiment will be described.

  As shown in FIG. 9, when the 1st connector part 2 and the 2nd connector part 3 are made to fit, each of 1st joint terminal 4a-4c which each of 2nd joint terminal 6a-6c becomes a pair, and an insulating member It is inserted between 8a to 8d. And by this insertion, while facing each of one surface of several 1st junction terminals 4a-4c and each of one surface of several 2nd junction terminals 6a-6c, it is 1st junction terminal 4a-. 4c, the 2nd junction terminals 6a-6c, and the insulating members 8a-8d will be in the laminated state arrange | positioned alternately.

  At this time, inside the first connector portion 2, the insulating members 8a to 8c are fixed to the distal end sides of the first connecting terminals 4a to 4c that are held in alignment with being separated at a predetermined interval. Therefore, the interval between the insulating members 8a to 8c can be maintained without separately providing a holding jig for holding the interval between the insulating members 8a to 8c. Thereby, each of the 2nd junction terminals 6a-6c can be easily inserted between each of the 1st junction terminals 4a-4c used as a pair, and insulating member 8a-8d. That is, the insertability of the second connection terminals 6a to 6c is not lowered. In addition, since it is not necessary to provide a holding jig for holding the interval between the insulating members 8a to 8c, it is very effective in that further downsizing can be realized as compared with the related art.

  In addition, the first insulating member 8a (or the contact of the first joint terminal 4a (or 4b) and the second joint terminal 6a (or 6b) is fixed to the first joint terminal 4a (or 4b) constituting the contact. 8b) and the first insulating member 8b (or 8c) fixed to the first joint terminal 4b (or 4c) constituting another contact. Similarly, the first contact terminal 4c and the second contact terminal 6c are connected to the first insulation member 8c fixed to the first connection terminal 4c constituting the contact and the first terminal housing 5 fixed to the inner surface of the first terminal housing 5. 2 between the insulating members 8d.

  After that, as shown in FIG. 3, the connection member 9 is operated from the connection member operation hole 40, and the screw portion 18 of the connection member 9 is screwed into the screw hole 19 of the first terminal housing 5 and tightened. The member 9 is pushed into the bottom of the screw hole 19 while being rotated, and is pressed by the elastic member 15 in the order of the first insulating member 8a, the first insulating member 8b, the first insulating member 8c, and the second insulating member 8d. Each of the contact points is pressed so as to be sandwiched by any two of the insulating members 8a to 8d, and the contact points are in contact with each other while being insulated from each other. At this time, each of the first joint terminals 4a to 4c and each of the second joint terminals 6a to 6c are slightly bent by the pressing from the insulating members 8a to 8d and are brought into contact in a wide range. Thereby, it is possible to realize a particularly effective connector for an automobile in which vibration is likely to occur.

  As described above, the first joining terminals 4a to 4c and the second joining terminals 6a to 6c are slightly bent by the fastening of the connecting member 9, but are repeatedly changed over time or by tightening or loosening the connecting member 9. The first connecting terminals 4 a to 4 c and the second connecting terminals 6 a to 6 c are deformed so as to be inclined in the tightening direction of the connecting member 9.

  As the first connecting terminals 4a to 4c are deformed, the first insulating members 8a to 8c are also inclined in the tightening direction of the connecting member 9, and when the deformation of the first connecting terminals 4a to 4c is increased, the connector 1 is not connected. The first insulating members 8a to 8c are sequentially pressed against the second insulating member 8d at the time of fitting, and the insulating members 8a to 8d are arranged so as to be stacked in contact with each other.

  Thus, when the insulating members 8a to 8d are arranged so as to be laminated, when the connector 1 is used again to connect the first joint terminals 4a to 4c and the second joint terminals 6a to 6c, At the time of fitting, the end of the second joint terminals 6a to 6c hits one of the insulating members 8a to 8d, and the second joint terminals 6a to 6c are very difficult to insert.

  In order to solve this problem, in the connector 1 according to the present embodiment, as shown in FIG. 10, the insulating members 8a, 8b ( Or between the opposing surfaces of 8b, 8c, or 8c, 8d), even if the first connecting terminal 4a (or 4b or 4c) disposed between the opposing surfaces is deformed, the first connecting terminal 4a (or In order to ensure the minimum insertion property of the second connecting terminal 6a (or 6b or 6c) paired with 4b or 4c), a gap maintaining means for maintaining a predetermined gap between the opposing surfaces is provided.

  As shown in FIG. 10A, the gap maintaining means is connected to one surface (second joint terminal 6a (or 6b or 6c)) of the first joint terminal 4a (or 4b or 4c) disposed between the opposing surfaces. The position which is formed on the opposing surface of the insulating member 8b (or 8c or 8d) facing the surface to be joined and avoids the second joint terminal 6a (or 6b or 6c) inserted between the opposing surfaces. Between the one surface of the first junction terminal 4a (or 4b or 4c) formed between the opposing surfaces and the opposing surface of the insulating member 8b (or 8c or 8d) facing the one surface. It consists of a protrusion 43 that maintains the gap.

  In the present embodiment, the second connecting terminal 6a (or 6b or 6c) has the U-shaped contact 33, and the protrusion 43 is formed at a position avoiding the U-shaped contact 33. That is, as shown in FIG. 10B, by forming the protrusion 43 in the space on the back side of the portion 44 through which the connecting member 9 penetrates when viewed from the insertion side of the second joint terminal 6a (or 6b or 6c). The insertion of the second junction terminal 6a (or 6b or 6c) is not hindered.

  The reason why the protrusion 43 is formed at such a position will be described. In the present embodiment, in order to achieve slimming, the width of the insulating members 8a to 8b is formed to be equal to the width of the first joining terminals 4a to 4c to be fixed, and the size of the connector 1 is made as small as possible. Therefore, the space in which the protrusion 43 can be formed is limited, and it is necessary to avoid interference with the first joint terminals 4a to 4c or the second joint terminals 6a to 6c. In the present embodiment, the protrusion 43 is formed in the space on the back side of the connection member 9.

  The protrusion 43 is formed so that its height is lower than the thickness of the second junction terminal 6a (or 6b or 6c) inserted between the opposing surfaces. This is because when the height of the protrusion 43 becomes higher than the thickness of the second joining terminal 6a (or 6b or 6c), the connecting member 9 is tightened to insulate the insulating members 8a and 8b (or 8b, 8c or 8c and 8d). Then, when pressing so as to sandwich the first joint terminal 4a (or 4b or 4c) and the second joint terminal 6a (or 6b or 6c), there is a risk that the projection 43 may inhibit the press and cause poor connection. Because there is.

  Moreover, since the 1st junction terminals 4a-4c are hold | maintained at the rear end side (illustration left side) to the resin molding 10, the front end side (in the illustration right side) inclines in the clamping direction by the press of the connection member 9 It is easy to deform. Therefore, if the protrusion 43 is formed at a position close to the rear end side of the first joint terminals 4a to 4c, the first joint into which the second joint terminals 6a to 6c are inserted as shown in FIG. There is a possibility that the gap cannot be maintained on the tip side of the terminals 4a to 4c. That is, in consideration of the insertability of the second joint terminals 6a to 6c, the protrusion 43 is preferably formed at a position closer to the insertion side of the second joint terminals 4a to 4c. Thereby, as shown in FIG.11 (b), the clearance gap for inserting 2nd junction terminal 6a-6c is fully maintainable.

  However, if the protrusion 43 is formed at the position shown in FIG. 11B, the shape of the second joint terminals 6a to 6c described above cannot be inserted. In such a case, the second connecting terminals 6 a to 6 c may be formed in a shape that avoids the protrusion 43.

  Specifically, as shown in FIG. 12, a dovetail groove 45 for dodging the protrusion 43 may be formed in the second joint terminals 6a to 6c. In order to prevent the protrusion 43 from being caught by the connection portion 46 between the dovetail groove 45 and the U-shaped contact 33 when the second joint terminals 6a to 6c are inserted, the connection portion 46 is Tapered and chamfered.

  In this way, by designing the formation positions of the protrusions 43 and the shapes of the second joint terminals 6a to 6c so as to avoid each other, it is possible to prevent deterioration in insertability.

  In short, in short, in the connector 1 according to the present embodiment, the insulating members 8a and 8b (or 8b, 8c, or 8c, 8d) that face each other so as to sandwich each of the plurality of joining terminal pairs when in the laminated state. Even if the first junction terminal 4a (or 4b or 4c) disposed between the opposing surfaces is deformed, the first junction terminal 4a (or 4b or 4c) is paired with the first junction terminal 4a (or 4b or 4c). In order to ensure the minimum insertability of the two junction terminals 6a (or 6b or 6c), since gap maintaining means for maintaining a predetermined gap is provided between the opposing surfaces, for example, the insulating members 8a to 8c are provided. Even if the first insertion terminals 4a to 4c on the insertion side to be fixed are deformed, the minimum insertion property in the second connection terminals 6a to 6c on the insertion side can be ensured.

  In the present embodiment, one surface of the first joint terminal 4a (or 4b or 4c) disposed between the opposing surfaces (surface joined to the second joint terminal 6a (or 6b or 6c)) and Although the protrusion 43 is formed on the facing surface of the insulating member 8b (or 8c or 8d) facing each other, the formation surface of the protrusion 43 is not limited to this.

  For example, as shown in FIG. 13, it may be integrally formed on one surface of the first joint terminal 4a (or 4b or 4c) disposed between the opposing surfaces.

  In addition to this, for example, as shown in FIG. 14, the other surface (second joint terminal 6 a (or 6 b or 6 c)) of the first joint terminal 4 a (or 4 b or 4 c) disposed between the opposing surfaces. You may form in the opposing surface of the insulating member 8a (or 8b or 8c) facing the surface on the opposite side to the surface to be joined. At this time, when the protrusion 43 is formed on the bottom of the fitting groove 11, the height of the protrusion 43 is higher than the thickness of the first connecting terminal 4 a (or 4 b or 4 c) disposed between the opposing surfaces. In addition, it is preferable that the thickness is lower than the total thickness of the first joint terminal 4a (or 4b or 4c) and the second joint terminal 6a (or 6b or 6c) sandwiched between the opposing surfaces.

  The present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

  For example, in the present embodiment, a three-phase AC power supply line is assumed. However, according to the technical idea of the present invention, for example, a connector for an automobile, which is a three-phase AC between a motor and an inverter. It is also possible to adopt a configuration in which lines for different uses such as a power line for a power supply and a DC two-phase power line for an air conditioner are connected together. By configuring in this way, it is possible to connect power lines for a plurality of uses at once with a single connector, so there is no need to prepare different connectors for each use, saving space and reducing costs. Can contribute.

  In the present embodiment, each of the first joint terminals 4a to 4c and each of the second joint terminals 6a to 6c are in contact with each other on the surface, but the second surface which is a contact side surface. A configuration in which a convex portion is formed on each of the surfaces on the side of the first joint terminals 4a to 4c that comes into contact with each of the joint terminals 6a to 6c, and the U-shaped contact 33 of the second joint terminals 6a to 6c is fitted into the convex portion. It is also good. By comprising in this way, the coupling | bonding force with each of 1st junction terminal 4a-4c and each of 2nd junction terminal 6a-6c can be stabilized further. That is, it is particularly effective against vibration in the direction perpendicular to the connection member 9.

  Further, the surface of each of the first joining terminals 4a to 4c and the second joining terminals 6a to 6c is roughened by knurling, etc., the frictional force is increased, the terminals are made difficult to move and fixed at the respective contacts. You may make it harden.

  Further, in the present embodiment, the lengths of the branched tips of the U-shaped contacts 33 of the second connection terminals 6a to 6c are the same length, but either one of the lengths is formed to be long. It may be a letter contact. By adopting a shape like a J-shaped contact, the second connector portion 3 can be inserted into the shaft portion 9a of the connecting member 9 even from an oblique direction with respect to the cable longitudinal direction.

  Further, in the present embodiment, when viewed from the head 9b side of the connecting member 9, each of the first joint terminals 4a to 4c and each of the second joint terminals 6a to 6c are in a linear contact. However, each of the first joint terminals 4a to 4c of the first connector part 2 is viewed from the head 9b side of the connection member 9 with respect to each of the second joint terminals 6a to 6c of the second connector part 3. The first terminal housing 5 and the second terminal housing 7 may be configured so as to intersect at right angles. That is, the first connector portion 2 and the second connector portion 3 may be fitted in an L shape. Similarly, the second terminal housing 7 and the second joint terminals 6a to 6c may be arranged obliquely with respect to the first terminal housing 5 and the first joint terminals 4a to 4c. In this way, by applying the gist of the present invention, the insertion / extraction direction of the second connector portion 3 with respect to the first connector portion 2 can be diversified. In other words, the direction of drawing the cable from the connector can be adjusted to a desired direction, which can contribute to space saving.

  Moreover, in this Embodiment, unlike the 2nd junction terminals 6a-6c, although the case where a cable was not connected to the one end side of the 1st junction terminals 4a-4c was demonstrated, it is limited to such a structure. Not. In other words, the connector in the present embodiment can also be used when connecting cables.

  Moreover, in this Embodiment, although the cable excellent in flexibility was used as cable 27a-27c, a rigid cable may be used.

  Further, in the present embodiment, the screw hole 19 is formed on the first terminal housing 5 side, but the first terminal housing 5 side is not the screw hole 19 but only the through hole. It may be formed on the two-terminal housing 7 side. Moreover, the screw hole 19 may be formed over both the 1st terminal housing 5 side and the 2nd terminal housing 7 side.

  Further, in the present embodiment, the screw hole 19 is formed at a position where the screw hole 18 is screwed with the screw portion 18 on the distal end side of the connection member 9, but the screw portion 18 on the head 9 b side of the connection member 9. The screw hole 19 may be formed so as to be screwed with the screw portion 18 formed on the head 9b side.

  Moreover, in this Embodiment, although the volt | bolt 12 was demonstrated as an example as the connection member 9, this is not the meaning which limits the structure of the connection member 9 to a volt | bolt shape, For example, the 1st connector part 2 and the 2nd connector A CPA lever (CPA: Connector Position Assurance) shaft portion that fixes the fitting with the portion 3 is configured as a connecting member 9, and the fitting is performed by rotating the CPA lever to fix the connecting member 9 to the head of the connecting member 9. It is good also as a structure which presses toward the front-end | tip of the axial part 9a from the part 9b (or tightens).

  In the present embodiment, the upper surface of the head 9b of the bolt 12 as the connecting member 9 is formed with a recess into which a hexagon wrench (also referred to as a hexagonal bar spanner) is fitted. This is based on the assumption that a commercially available hexagon wrench is used. However, assuming that a dedicated tool having a shape not commercially available is used, a concave portion having a shape corresponding to the dedicated tool is used as a bolt as the connecting member 9. It is good also as a structure formed in the upper surface of 12 head parts 9b.

  Further, in the present embodiment, the orientation of the connector in use may be such that the connecting member 9 is in a substantially horizontal state or a substantially vertical state. In other words, the usage condition of the connector in this embodiment does not require the orientation in the usage state.

  In the present embodiment, the adjacent first insulating member 8a is pressed by the head 9b of the connecting member 9 through the elastic member 15 that is a part of the connecting member 9, but the elastic member 15 is interposed therebetween. Instead, the adjacent first insulating member 8a may be pressed directly by the head 9b.

  Moreover, in this Embodiment, regarding the connection member 9, in the fitting state of the 1st connector part 2 and the 2nd connector part 3, 1st joining terminal 4a-4c and 2nd joining centering on the connection member 9 Although the description has been given of the case of the through-type connecting member that has an effect that the positional relationship with the terminals 6a to 6c is easily fixed, the gist of the present invention can be applied even if the through-type connecting member is not used.

  That is, the connecting member has a head portion without a shaft portion, and presses the adjacent first insulating member 8a by the head portion, whereby the plurality of first connecting terminals 4a to 4c and the plurality of second connecting terminals 6a to 6c. The gist of the present invention can also be applied to a configuration in which the contacts are fixed and electrically connected together at each contact. In the case of this configuration, the first terminal housing 5 and the connecting member are screwed into the screw portion formed on the side surface of the head portion of the connecting member and the first terminal housing 5 screwed with the screw portion. This is achieved by the threaded holes. Also in this case, similarly to the present embodiment, the elastic member 15 may be provided between the head and the first insulating member 8a adjacent to the head. Although it can be configured in this way, the plurality of insulating members 8a to 8c are fixed to the other surfaces of the plurality of first connecting terminals 4a to 4c, respectively. As a result, the cost of the connecting member can be reduced. Moreover, it leads to the weight reduction of a connection member, and it can also contribute to the weight reduction of the whole connector as a result.

  In the present embodiment, the number of the protrusions 43 serving as the gap maintaining means is one for each of the insulating members 8a to 8d, but a plurality of the protrusions 43 may be formed.

  As described above, in the present embodiment, the resin molded body 10 serves as a holding portion that holds one end side of the first joint terminals 4a to 4c in a predetermined position. That is, the first joint terminals 4a to 4c are cantilevered. In the present embodiment, as described above with reference to FIG. 11, the insertion port into which the pair of second joining terminals 6a to 6c is inserted and the holding portion that holds one end side of the first joining terminals 4a to 4c, In the present embodiment, the protrusion 43 serving as the gap maintaining means is formed between the opposing surfaces of the first connecting terminals 4a to 4c and the insulating members 8a to 8d. The gap (predetermined gap) is not maintained, but the holding portion and the protrusion 43 maintain the gap between the opposing surfaces. By configuring in this way, the projection can be made smaller than the configuration in which the gap between the opposing surfaces is maintained only by the projection.

DESCRIPTION OF SYMBOLS 1 Connector 2 1st connector part 3 2nd connector part 4a-4c 1st junction terminal 5 1st terminal housing 6a-6c 2nd junction terminal 7 2nd terminal housing 8a-8c 1st insulating member 8d 2nd insulating member 9 Connection Member 43 Projection

Claims (10)

A first terminal housing in which a plurality of first joining terminals are arranged and stored;
A second terminal housing in which a plurality of second joining terminals are arranged and stored;
A plurality of insulating members arranged and housed in the first terminal housing,
When the first terminal housing and the second terminal housing are fitted together, one surface of the plurality of first joint terminals faces each other of one surface of the plurality of second joint terminals. In addition, in the connection structure in a stacked state in which each of the plurality of insulating members is arranged so as to sandwich each of the plurality of joining terminal pairs composed of the plurality of first joining terminals and the second joining terminals facing each other,
By pressing the insulating member adjacent by the head, the plurality of first joint terminals and the plurality of second joint terminals are collectively fixed at each contact and electrically connected and connected.
Each of the plurality of first joining terminals is integrally fixed with an insulating member disposed adjacent to the other surface side,
In a state where the first terminal housing and the second terminal housing are not fitted, between the facing surfaces of the insulating member facing each other so as to sandwich each of the plurality of joint terminal pairs, Even when the arranged first joint terminal is deformed, the gap is maintained so as to maintain a predetermined gap between the facing surfaces in order to ensure the minimum insertion property of the second joint terminal paired with the first joint terminal. A connection structure characterized in that means are provided. The connecting member;
A head portion and a shaft portion connected to the head portion, the shaft portion passing through each of the plurality of first connection terminals and the plurality of second connection terminals and the plurality of insulating members. , By pressing the insulating members adjacent to each other by the head, the plurality of first joint terminals and the plurality of second joint terminals are collectively fixed at each contact and electrically connected. The connection structure according to claim 1, wherein a portion that penetrates the through hole is a through-type connection member that is formed of a non-conductive material. The gap maintaining means is formed on the opposing surface of the insulating member facing one surface of the first joint terminal disposed between the opposing surfaces and avoids the second joint terminal inserted between the opposing surfaces. Formed of a protrusion that maintains a predetermined gap between one surface of the first junction terminal disposed between the opposing surfaces and the opposing surface of the insulating member facing the one surface,
The connection structure according to claim 1, wherein the protrusion is formed so that a height thereof is lower than a thickness of the second junction terminal inserted between the opposing surfaces. The gap maintaining means is formed on the opposing surface of the insulating member facing the other surface of the first joint terminal disposed between the opposing surfaces, and the first joint terminal and the second joint terminal sandwiched between the opposing surfaces. Formed of a projection that maintains a predetermined gap between one surface of the first junction terminal disposed between the opposing surfaces and the opposing surface of the insulating member facing the one surface,
The height of the protrusion is higher than the thickness of the first joint terminal disposed between the opposing surfaces, and the total thickness of the first joint terminal and the second joint terminal sandwiched between the opposing surfaces. The connection structure according to claim 1, wherein the connection structure is formed to be low. The gap maintaining means is formed on one surface of the first joint terminal disposed between the opposing surfaces and formed at a position avoiding the second joint terminal inserted between the opposing surfaces. A projection that maintains a predetermined gap between one surface of the first joining terminal disposed on the surface and the facing surface of the insulating member facing the one surface,
3. The connection structure according to claim 1, wherein the protrusion is formed so that a height thereof is lower than a thickness of a second junction terminal inserted between the opposing surfaces. The gap maintaining means is formed on an opposing surface of an insulating member facing one surface of the first joint terminal disposed between the opposing surfaces, and the one surface of the first joint terminal disposed between the opposing surfaces and the one surface. Consists of a projection that maintains a predetermined gap between the opposing surfaces of the facing insulating member,
The protrusion is formed such that its height is lower than the thickness of the second junction terminal inserted between the opposing surfaces,
The connection structure according to claim 1, wherein the second joint terminal inserted between the opposing surfaces is formed in a shape that avoids the protrusion. The gap maintaining means is formed on the facing surface of the insulating member facing the other surface of the first joint terminal disposed between the facing surfaces, and the one surface of the first joint terminal disposed between the facing surfaces and the one surface. And a projection that maintains a predetermined gap between the opposing surface of the insulating member facing the
The height of the protrusion is higher than the thickness of the first joint terminal disposed between the opposing surfaces, and the total thickness of the first joint terminal and the second joint terminal sandwiched between the opposing surfaces. Is also formed to be low,
The connection structure according to claim 1, wherein the first joint terminal and the second joint terminal sandwiched between the facing surfaces are formed in a shape that avoids the protrusion. The gap maintaining means is formed on one surface of the first joint terminal disposed between the facing surfaces, and one surface of the first joint terminal disposed between the facing surfaces and the facing surface of the insulating member facing the one surface. Consisting of protrusions that maintain a predetermined gap between
The protrusion is formed such that its height is lower than the thickness of the second junction terminal inserted between the opposing surfaces,
The connection structure according to claim 1, wherein the second joint terminal inserted between the opposing surfaces is formed in a shape that avoids the protrusion.   The connection structure according to claim 1, wherein the protrusion is formed at a position closer to the insertion side of the second joining terminal inserted between the facing surfaces.   The insulating member fixed to each of the plurality of first joint terminals is formed with a fitting groove for fitting the first joint terminal to be fixed, and the first joint terminal to be fixed in the fitting groove. The connection structure according to any one of claims 1 to 9, which is fitted and fixed integrally.

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