JP2005063890A - Joint connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joint connector capable of freely electrically connecting between unadjacent terminals while conserving high density mounting of the terminals and capable of coping with a large current circuit. <P>SOLUTION: A first vertical bus bar group 11, a first insulation sheet 12, a lateral bus bar group 13, a second insulation sheet 14 and a second vertical bus bar group 15 are laminated in a connector housing 2 in this order.A terminal 10 is penetrated at a crossing position of each bus bar 16 of the laminated bodies respectively. A small diameter hole 18 at the crossing position of the bus bar 16 making the terminal 10 on and a large diameter hole 19 at the crossing position of the bus bar 16 making the terminal 10 off are formed respectively. Medium diameter holes 20 are provided in positions of the first and second insulation sheets 12, 14 corresponding to the crossing position of each bus bar 16. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a joint connector having a branch / joint circuit for selectively electrically connecting a plurality of terminals.

  For example, a joint connector is used to branch an electric wire of a wire harness routed in a vehicle or to joint a plurality of electric wires. As this type of conventional joint connector, there is one shown in FIGS. 10 and 11 (see, for example, Patent Document 1).

  As shown in FIGS. 10 and 11, the joint connector 100 is inserted into a connector housing 103 in which a plurality of terminal accommodating chambers 101 and a plurality of terminal insertion holes 102 are formed, and each terminal insertion hole 102. A plurality of terminals 104 formed with a portion 104a, and a plurality of conductive layers 105 that are attached to the surface of the connector housing 103 where the electrode portion 104a of the terminal 104 is exposed and electrically connect between desired terminals 104. I have.

Each terminal 104 is disposed in the terminal accommodating chamber 101 of the connector housing 103, and when a mating connector (not shown) is attached, the terminals 104 corresponding to each other are brought into electrical contact. Then, the terminals 104 conducted by the conductive layer 105 are connected to branch or joint an electric wire (not shown) between the wire harnesses via the joint connector 100.
JP 2003-17161 A

  However, in the conventional joint connector 100, only the terminals 104, 104 adjacent to each other can be electrically connected via the conductive layer 105, and only the terminals 104, 104 that are not adjacent to each other are electrically connected via the conductive layer 105. can not connect. Here, electrical conduction can be achieved by forming the conductive layer 105 so as to bypass the non-conductive terminal 104. However, there is a problem that the joint connector 100 is increased in size because a plurality of terminals 104 must be arranged with a space for forming a detour in the conductive layer 105, and the terminals 104 cannot be arranged with high-density mounting. there were.

  In addition, since the conductive layer 105 is formed by a conductive paste or plating and has a small cross-sectional area as a conductive path, the joint connector 100 is limited to a minute current circuit, and there is a problem that it cannot cope with a large current circuit.

  Accordingly, the present invention has been made to solve the above-described problems, and can electrically connect between adjacent terminals while maintaining high-density mounting of terminals, and can cope with a large current circuit. An object is to provide a joint connector.

  According to the first aspect of the present invention, a group of vertical bus bars in which a plurality of linear bus bars are arranged in the vertical direction with a space therebetween, and a plurality of linear bus bars are arranged in the vertical bus bar group with a space therebetween. A group of horizontal bus bars arranged in a lateral direction with a space between them, and each bus bar of each of the vertical bus bar group and the horizontal bus bar group intersects each bus bar, and each bus bar that is penetrated is selected. A plurality of terminals electrically connected, and a connector housing for fixing the vertical bus bar group, the horizontal bus bar group, and the plurality of terminals, and arranging the plurality of terminals in a terminal accommodating chamber. .

  In this joint connector, each bus bar and each terminal of the vertical bus bar group and the horizontal bus bar group are freely connected and disconnected, and freely connected via one or more bus bars arranged in the vertical and horizontal directions between desired terminals. Is electrically connected. In addition, since a bus bar having a large cross-sectional area is used as a conduction path, it is not limited to a minute current circuit. Furthermore, since the linear bus bar is used in both the vertical bus bar group and the horizontal bus bar group, the loss material of the bus bar is reduced.

  A second aspect of the present invention is the joint connector according to the first aspect, wherein at least one of the vertical bus bar group and the horizontal bus bar group has two or more layers.

  In this joint connector, in addition to the operation of the first aspect of the invention, it is possible to cope with a complicated branch / joint circuit by increasing the vertical bus bar group and the horizontal bus bar group.

  A third aspect of the present invention is the joint connector according to the first aspect, wherein a small-diameter hole into which the terminal is press-fitted and a large-diameter hole into which the terminal is inserted without contacting at each crossing position of the bus bars. It is characterized by being provided selectively.

  In this joint connector, in addition to the operation of the invention of claim 1, it can be made conductive or non-conductive depending on the size of the hole formed at the crossing position of the bus bar.

  A fourth aspect of the invention is the joint connector according to the first to third aspects, wherein an insulating sheet is interposed between the vertical bus bar group and the horizontal bus bar group.

  In this joint connector, in addition to the effects of the first to third aspects of the invention, the insulation distance between the bus bars of the vertical bus bar group and the bus bars of the horizontal bus bar group is reliably maintained.

  Invention of Claim 5 is the joint connector of Claim 3, Comprising: An insulation sheet is interposed between the said vertical bus bar group and the said horizontal bus bar group, The said insulation sheet corresponding to the crossing position of each said bus bar A medium-diameter hole larger than the small-diameter hole and smaller than the large-diameter hole is provided at each position.

  In this joint connector, in addition to the function of the invention of claim 3, the terminal is inserted into the small diameter hole without being interfered with the insulating sheet in the process of inserting the terminal into the small diameter hole of the bus bar. When the terminal is inserted at a position shifted from the predetermined position in the process of being inserted into the large-diameter hole, the terminal is corrected to the predetermined position side due to the interference of the insulating sheet.

  Invention of Claim 6 is the joint connector of Claim 4, Comprising: The bus bar installation groove | channel which installs each bus bar of the said vertical bus bar group and the said horizontal bus bar group in the said insulation sheet is provided. .

  In this joint connector, in addition to the effect of the invention of claim 4, each bus bar is easily installed at a predetermined position, and the position deviation of each bus bar due to vibration or the like is reliably prevented.

  The invention of claim 7 is the joint connector according to claim 1, wherein an insulating sheet is provided on the upstream surface in the terminal insertion direction in the vertical bus bar group and the horizontal bus bar group, respectively, and at the crossing position of the bus bars, A terminal press-fitting hole into which the terminal is inserted is provided, and at each insulating sheet corresponding to the crossing position of each bus bar, at least a terminal non-interference hole larger than the cross-sectional shape of the terminal, and a cross-sectional shape of the terminal A terminal interference hole, which is small at least in part and can be used to insert a peripheral tongue portion in the terminal insertion process, is selectively provided.

  In this joint connector, in addition to the effect of the invention of claim 1, the terminal and the bus bar can be made conductive or non-conductive by changing the shape of the hole formed in the insulating sheet.

  The invention according to an eighth aspect is the joint connector according to the seventh aspect, characterized in that a bending peripheral portion that is bent outwardly when the terminal is inserted into the terminal press-fitting hole is provided.

  In this joint connector, in addition to the action of the invention of claim 7, the form of the hole formed in each bus bar may be the same, and the terminal and the bus bar are made conductive by changing the form of the hole formed in the insulating sheet, It can be made non-conductive.

  Invention of Claim 9 is the joint connector of Claim 7, Comprising: The said terminal press-fit hole of the said bus bar is a shape which has four sides, The said terminal interference hole is the tongue part which protrudes in the four sides of the said terminal press-fit hole It is the shape which has rim at the periphery.

  In this joint connector, in addition to the effect of the invention of claim 7, the tongue side portion of the insulating sheet is interposed between the terminal and the four sides of the terminal press-fitting hole at the crossing position of the bus bar where the terminal is made non-conductive.

  Invention of Claim 10 is the joint connector of Claim 7, Comprising: The bus bar installation groove | channel which installs each bus bar of the said vertical bus bar group and the said horizontal bus bar group in the said insulation sheet is provided. .

  In this joint connector, in addition to the effect of the invention of claim 7, each bus bar is easily installed at a predetermined position, and the position deviation of each bus bar due to vibration or the like is reliably prevented.

  As described above, according to the first aspect of the present invention, the vertical bus bar group arranged in the vertical direction, the horizontal bus bar group arranged in the horizontal direction, and the bus bars are penetrated at each position where they cross each other. Since it is provided with a plurality of terminals selectively conducted to each bus bar, each bus bar and each terminal of the vertical bus bar group and the horizontal bus bar group can be freely turned on and off, and a desired terminal They can be freely electrically connected via one or more bus bars arranged vertically and horizontally. For this reason, it is possible to freely connect terminals that are not adjacent to each other while maintaining the high-density mounting of the terminals in a state where the adjacent bus bars are arranged at a minute interval. Further, since the bus bar having a large cross-sectional area is used as the conduction path, the bus bar is not limited to the minute current circuit, and can be adapted to the large current circuit. Furthermore, since the linear bus bar is used in both the vertical bus bar group and the horizontal bus bar group, the loss material of the bus bar can be reduced.

  According to the invention of claim 2, since at least one of the vertical bus bar group and the horizontal bus bar group is formed of two or more layers, it is possible to cope with a complicated branch / joint circuit by increasing the vertical bus bar group and the horizontal bus bar group. .

  According to invention of Claim 3, since the small diameter hole and the large diameter hole were selectively provided in the crossing position of each bus bar, it can be made conductive or non-conductive depending on the size of the hole formed in the crossing position of the bus bar. . Therefore, conduction / non-conduction can be realized by simple processing.

  According to the invention of claim 4, since the insulating sheet is interposed between the vertical bus bar group and the horizontal bus bar group, the insulation distance between the bus bar of the vertical bus bar group and the bus bar of the horizontal bus bar group can be reliably maintained. Can do. Therefore, a short circuit between the two can be reliably prevented.

  According to the invention of claim 5, since the medium diameter hole is provided at each position of the insulating sheet corresponding to the crossing position of each bus bar, the terminal is interfered with the insulating sheet in the process of being inserted into the small diameter hole of the bus bar. If the terminal is inserted into the small-diameter hole without being inserted into the large-diameter hole of the bus bar and the terminal is inserted at a position shifted from the predetermined position, the terminal will interfere with the insulation sheet. In response, the position is corrected to a predetermined position. Therefore, the terminal is reliably conducted at the position of the small-diameter hole of the bus bar, and is surely non-conductive at the position of the large-diameter hole of the bus bar.

  According to the invention of claim 6, since the bus bar installation groove is provided in the insulating sheet, each bus bar can be easily installed at a predetermined position, and the displacement of each bus bar due to vibration or the like is surely prevented. be able to.

  According to the invention of claim 7, the insulating sheet is provided on the upstream surface in the terminal insertion direction in the vertical bus bar group and the horizontal bus bar group, the terminal press-fitting hole is provided at the crossing position of each bus bar, and the crossing position of each bus bar corresponds. Since the terminal non-interference hole and the terminal interference hole are selectively provided in each insulating sheet, the terminal and the bus bar can be made conductive or non-conductive by changing the shape of the hole formed in the insulating sheet. .

  According to the eighth aspect of the present invention, since the bending peripheral portion that bends and deforms outward when the terminal is inserted into the terminal press-fitting hole, the shape of the hole formed in each bus bar may be the same and is formed in the insulating sheet. By changing the shape of the hole, the terminal and the bus bar can be made conductive or non-conductive. Therefore, bus bars having the same hole pattern can be used, and the bus bars can be easily manufactured.

  According to the invention of claim 9, since the terminal press-fitting hole of the bus bar has a shape having four sides, and the terminal interference hole has a shape having a tongue side portion protruding from the four sides at the periphery, the terminal is made non-conductive. At the crossing position of the bus bar, the tongue side portion of the insulating sheet can be interposed between the terminal and the four sides of the terminal press-fitting hole, so that non-conduction can be ensured.

  According to the invention of claim 10, since the bus bar installation groove is provided in the insulating sheet, each bus bar can be easily installed at a predetermined position, and the displacement of each bus bar due to vibration or the like is surely prevented. be able to.

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

  1 to 4 show a first embodiment of the present invention, FIG. 1 is an exploded perspective view of a joint connector, FIG. 2 is an enlarged cross-sectional view of a main part of the joint connector, and FIG. 3 is a small diameter hole and a large diameter hole of a bus bar. FIG. 4 is a perspective view showing a state in which a terminal is penetrated by each bus bar and the first and second insulating sheets.

  As shown in FIGS. 1 and 2, the joint connector 1 </ b> A has a substantially rectangular box-shaped connector housing 2 made of synthetic resin. The connector housing 2 is attached to and detached from the housing body 3 and the rear side of the housing body 3. It is comprised from the cover 4 attached freely.

  A partition wall 5 is provided inside the housing body 3, and a terminal storage chamber 6 is formed at the front and a component storage chamber 7 is formed at the rear, with the partition wall 5 as a boundary. Terminal insertion holes 8 are formed in the partition wall 5 at predetermined intervals in the vertical and horizontal directions. The cover 4 is disposed so as to close the rear surface of the component storage chamber 7.

  The plurality of terminals 10 have a square cross section and a substantially straight rod shape, and are fixed to the housing body 3 by being press-fitted into the terminal insertion holes 8 of the partition wall 5. The terminal 10 has a rear side in the terminal insertion direction T erected in the terminal accommodating chamber 6, and a front side in the terminal insertion direction T projects into the component accommodating chamber 7.

  A first vertical bus bar group 11, a first insulating sheet 12, a horizontal bus bar group 13, a second insulating sheet 14, and a second vertical bus bar group 15 are arranged in the component housing chamber 7 in order from the terminal insertion direction T. .

  In each of the first and second vertical bus bar groups 11 and 15, a plurality of linear bus bars 16 are arranged in the vertical direction at intervals. In the horizontal bus bar group 13, a plurality of linear bus bars 16 are arranged in the horizontal direction at intervals. Each bus bar 16 is made of a metal material that is electrically conductive and has high rigidity, and has a sufficient cross-sectional dimension capable of passing a large current. A square small-diameter hole 18 or a large-diameter hole 19 having a different size is selectively formed at the crossing position of the bus bars 16 of each group.

  As shown in FIGS. 3 and 4, the small-diameter hole 18 has a small dimension L1 into which the terminal 10 is press-fitted, and the outer peripheral surface of the penetrated terminal 10 is in close contact with the inner peripheral surface. The large-diameter hole 19 has a large dimension L2 into which the terminal 10 is inserted without contact, and the outer peripheral surface of the penetrated terminal 10 is arranged with a gap. That is, a small-diameter hole 18 is formed at a location of the bus bar 16 where the terminal 10 is conducted, and a large-diameter hole 19 is formed at a location where the terminal 10 is not conducted.

  Each of the first and second insulating sheets 12 and 14 is formed of an insulating material, and bus bar installation grooves 12a and 14a are formed on both sides thereof. Each bus bar 16 is installed in the bus bar installation grooves 12a and 14a, and thereby each bus bar 16 is positioned. Further, at the respective positions of the first and second insulating sheets 12 and 14 corresponding to the crossing positions of the bus bars 16, the medium diameter hole 20 having a medium size L 3 larger than the small diameter hole 18 and smaller than the large diameter hole 19 is provided. Is formed.

  Next, the assembly procedure of the joint connector 1A will be described. The first vertical bus bar group 11, the first insulating sheet 12, the horizontal bus bar group 13, the second insulating sheet 14, and the second vertical bus bar group 15 are inserted into the component housing chamber 7 of the housing body 3 in this order, and the component housing is inserted. The back of the chamber 7 is closed with a cover 4. Thereby, the accommodated first vertical bus bar group 11 and the like are fixed in the connector housing 2.

  Next, when each terminal 10 is inserted into each terminal insertion hole 8 of the partition wall 5 from the terminal accommodating chamber 6 side, the distal end side of the terminal 10 is the bus bar 16 of the first vertical bus bar group 11, the first insulating sheet 12, and the horizontal bus bar group. 13 bus bars 16, the second insulating sheet 14, and the bus bars 16 of the second vertical bus bar group 15 pass through in this order. And in the location where the small diameter hole 18 is formed in the penetration position of each bus bar 16, since the terminal 10 is press-fitted into the small diameter hole 18, the terminal 10 and the bus bar 16 are electrically connected. Where the large-diameter hole 19 is formed at the through-position of each bus bar 16, the outer peripheral surface of the terminal 10 is arranged with a gap in the inner peripheral surface of the large-diameter hole 19, so that there is a gap between the terminal 10 and the bus bar 16. Made non-conductive.

  As described above, in the joint connector 1A, the bus bars 16 and the terminals 10 of the first and second vertical bus bar groups 11, 15 and the horizontal bus bar group 13 can be freely turned on and off, and desired terminals 10 can be freely electrically connected via one or more bus bars 16 arranged in the vertical and horizontal directions. Therefore, it is possible to freely connect the terminals 10 that are not adjacent to each other while maintaining the high-density mounting of the terminals 10 in a state where the adjacent bus bars 16 are arranged at a minute interval. Further, since the bus bar 16 having a large cross-sectional area is used as the conduction path, the bus bar 16 is not limited to the minute current circuit and can be adapted to the large current circuit. Furthermore, since the linear bus bars 16 are used in both the first and second vertical bus bar groups 11 and 15 and the horizontal bus bar group 13, the loss material of the bus bars 16 can be reduced, and the cost can be reduced accordingly. Can do.

  In the first embodiment, the first and second vertical bus bar groups 11 and 15 are provided as the vertical bus bar group, and the bus bar group including the horizontal bus bar group 13 is set to a total of three layers. And the horizontal bus bar group may be set to one layer each. However, the more complicated the branch / joint circuit can be formed by increasing the number of layers of the vertical bus bar group and the horizontal bus bar group.

  In the first embodiment, a small-diameter hole 18 into which the terminal 10 is press-fitted and a large-diameter hole 19 into which the terminal 10 is inserted without contact are selectively provided at the intersection positions of the bus bars 16. It can be made conductive or non-conductive depending on the size of the hole formed at the crossing position of the bus bar 16. Therefore, conduction / non-conduction can be realized by simple processing.

  In the first embodiment, since the first and second insulating sheets 12 and 14 are interposed between the first and second vertical bus bar groups 11 and 15 and the horizontal bus bar group 13, respectively, the first vertical bus bar The insulation distance between the bus bar 16 of the group 11 and the bus bar 16 of the horizontal bus bar group 13 and between the bus bar 16 of the horizontal bus bar group 13 and the bus bar 16 of the second vertical bus bar group 15 can be reliably maintained. Therefore, a short circuit between the two can be reliably prevented.

  In the first embodiment, a medium-diameter hole 20 that is larger than the small-diameter hole 18 and smaller than the large-diameter hole 19 is provided at each position of the first and second insulating sheets 12 and 14 corresponding to the intersecting positions of the bus bars 16. Since the terminal 10 is inserted into the small-diameter hole 18 of the bus bar 16, the terminal 10 can be press-fitted into the small-diameter hole 18 without being interfered with the first and second insulating sheets 12 and 14. When the terminal 10 is inserted into the large-diameter hole 19 of the bus bar 16 and the terminal 10 is inserted at a position shifted from a predetermined position, the terminal 10 is connected to the first and second insulating sheets 12 and 14. The interference is corrected to a predetermined position side. Accordingly, the terminal 10 can be reliably conducted at the position of the small-diameter hole 18 of the bus bar 16 and can be surely made non-conductive at the position of the large-diameter hole 19 of the bus bar 16.

  In the first embodiment, the first and second insulating sheets 12 and 14 are provided with bus bar installation grooves 12 a and 14 a for installing the first and second vertical bus bar groups 11 and 15 and the bus bars 16 of the horizontal bus bars 13. Therefore, each bus bar 16 can be easily installed at a predetermined position, and the displacement of each bus bar 16 due to vibration or the like can be reliably prevented.

  5 to 9 show a second embodiment of the present invention, FIG. 5 is an exploded perspective view of a joint connector, FIG. 6 is a front view of a bus bar, and FIG. 7 is a first insulating sheet (or second insulating sheet or third). FIG. 8 is a sectional view showing a state before the terminal is inserted into the first insulating sheet (or the second insulating sheet or the third insulating sheet) and the bus bar, and FIG. 9 is a first insulating sheet. (Or a 2nd insulating sheet or a 3rd insulating sheet) and sectional drawing which shows the state inserted in the bus bar.

  As shown in FIG. 5, in the joint connector 1 </ b> B of the second embodiment, the first insulating sheet 21, the first vertical bus bar group 22, and the second insulating sheet 23 are inserted into the component housing chamber 7 of the housing body 3 from the terminal insertion direction T. The horizontal bus bar group 24, the third insulating sheet 25, and the second vertical bus bar group 26 are arranged in this order.

  As shown in FIG. 6, when the terminal 10 is inserted at the crossing position of the bus bars 27 of the first and second vertical bus bar groups 21, 26 and the horizontal bus bar group 24, the bending peripheral portion 28 a is bent outward. Terminal press-fitting holes 28 are provided. That is, unlike the first embodiment, the same hole pattern is formed at each crossing position of each bus bar 27.

  At the locations of the first, second and third insulating sheets 21, 23, 25 corresponding to the crossing positions of the bus bars 27, as shown in FIG. A terminal interference hole 30 having a tongue portion 30a that is at least partly smaller than the cross-sectional shape of the terminal 10 at the periphery and in which the tongue portion 30a is bent during the insertion process of the terminal 10 is selectively provided. Specifically, the terminal press-fitting hole 28 of the bus bar 27 is formed in a substantially quadrangular shape with a pair of opposing sides curved inward, and the curved portion is formed as a bent peripheral portion 28a. The terminal non-interference holes 29 of the first, second, and third insulating sheets 21, 23, 25 are formed in a rectangular shape that is slightly larger than the size of the bending peripheral edge portion 28 a of the terminal press-fitting hole 28 that is bent outward. The terminal interference holes 30 of the first, second, and third insulating sheets 21, 23, 25 have the same shape as the terminal non-interference holes 29, and are formed in a shape having tongue portions 30 a inside the four sides. ing.

  Further, the first, second and third insulating sheets 21, 23, 25 are provided with the bus bars 27 of the first and second vertical bus bar groups 22, 26 and the horizontal bus bar group 24 as in the first embodiment. A bus bar installation groove 31 to be installed is provided. In addition, since the other structure is the same as that of the said 1st Embodiment, the same code | symbol is attached | subjected to the same component and detailed description is abbreviate | omitted.

  Next, the assembly procedure of the joint connector 1B will be described. Insert the first insulating sheet 21, the first vertical bus bar group 22, the second insulating sheet 23, the horizontal bus bar group 24, the third insulating sheet 25, and the second vertical bus bar group 26 in this order into the component housing chamber 7 of the housing body 3. The rear of the component housing chamber 7 into which these are inserted is closed with the cover 4. Thereby, the accommodated first insulating sheet 21 and the like are fixed in the connector housing 2.

  Next, as shown in FIG. 8, when each terminal 10 is inserted into each terminal insertion hole 8 of the partition wall 5 from the terminal accommodating chamber 6 side, the distal end side of the terminal 10 is the first insulating sheet 21 and the first vertical bus bar group 22. The bus bar 27, the second insulating sheet 23, the bus bar 27 of the horizontal bus bar group 24, the third insulating sheet 25, and the bus bar 27 of the second vertical bus bar group 26 are penetrated in this order.

  And as shown in FIG. 9, in the location where the terminal non-interference holes 29 are formed in the locations of the first, second, and third insulating sheets 21, 23, 25 in front of each bus bar 27, the terminal 10 is a terminal. Since the press-fitting hole 28 is directly press-fitted, the terminal 10 and the bus bar 27 are electrically connected. Further, at the location where the terminal interference hole 30 is formed at the location of the first, second and third insulating sheets 21, 23, 25 in front of each bus bar 27, the tongue side portion 30a is bent by insertion of the terminal 10, Since the bent tongue side portion 30a is interposed between the outer peripheral surface of the terminal 10 and the inner peripheral surface of the terminal press-fitting hole 28, the terminal 10 and the bus bar 27 are made non-conductive.

  As described above, also in this joint connector 1B, each bus bar 27 and each terminal 10 of the first and second vertical bus bar groups 22, 26 and the horizontal bus bar group 24 can be freely turned on and off, and desired terminals 10 can be freely electrically connected via one or more bus bars 27 arranged vertically and horizontally. Therefore, it is possible to freely connect the terminals 10 and 10 that are not adjacent to each other while maintaining the high-density mounting of the terminals 10 in a state where the adjacent bus bars 27 and 27 are arranged at a minute interval. In addition, since the bus bar 27 having a large cross-sectional area is used as the conduction path, the bus bar 27 is not limited to the minute current circuit and can be adapted to the large current circuit. Furthermore, since the linear bus bars 27 are used in both the first and second vertical bus bar groups 22, 26 and the horizontal bus bar group 24, the loss material of the bus bars 27 can be reduced, and the cost can be reduced accordingly. Can do.

  In addition, since the bending peripheral edge portion 28a that bends and deforms outward when the terminal 10 is inserted into the terminal press-fit hole 28, the shape of the holes such as the terminal press-fit holes 28 formed in each bus bar 27 may be the same. By varying the shape of the holes formed in the first, second and third insulating sheets 21, 23, 25, the terminal 10 and the bus bar 27 can be made conductive or non-conductive. Therefore, the bus bar 27 having the same hole pattern can be used, and the bus bar 27 can be easily manufactured.

  In the second embodiment, the terminal press-fitting hole 28 of the bus bar 27 has a substantially quadrangular shape having four sides, and the terminal interference hole 30 is formed in a shape having tongue portions 30a protruding from the four sides of the terminal press-fitting hole 28. At the crossing position of the bus bar 27 where the terminal 10 is non-conductive, the tongue side portions 30a of the first, second and third insulating sheets 21, 23, 25 are interposed between the terminal 10 and the four sides of the terminal press-fitting hole 28. Is done. Therefore, it can be surely made non-conductive.

  In the second embodiment, the bus bar installation grooves for installing the bus bars 27 of the first and second vertical bus bar groups 22 and 26 and the horizontal bus bar group 24 on the first, second and third insulating sheets 21, 23 and 25. Since each 31 is provided, each bus bar 27 can be easily installed at a predetermined position, and the displacement of each bus bar 27 due to vibration or the like can be reliably prevented.

  In the second embodiment, the first and second vertical bus bar groups 22 and 26 are provided as the vertical bus bar group, and the bus bar group including the horizontal bus bar group 24 is set to a total of three layers. And the horizontal bus bar group may be set to one layer each. However, as the number of layers of the vertical bus bar group and the horizontal bus bar group is increased, a more complicated branch circuit can be formed.

  In the first embodiment, the small-diameter hole 18 and the large-diameter hole 19 are formed in a quadrangular shape. However, the shape may be a round shape or a shape having a bending portion as in the second embodiment, or any other shape. good. Moreover, in the said 2nd Embodiment, although the terminal press-fit hole 28 was formed in substantially square shape, the shape may be round or other shapes. Furthermore, in the said 1st and 2nd embodiment, although the cross-sectional shape of the terminal 10 was formed in square shape, round shape or other shapes may be sufficient.

FIG. 3 is an exploded perspective view of the joint connector according to the first embodiment of the present invention. FIG. 2 is an enlarged cross-sectional view of a main part of the joint connector, showing the first embodiment of the present invention. It is a figure which shows 1st Embodiment of this invention and demonstrates the magnitude | size of the small diameter hole of a bus bar, the large diameter hole, and the medium diameter hole of an insulating sheet. It is a perspective view which shows 1st Embodiment of this invention and shows the state by which the terminal was penetrated by each bus bar and the 1st and 2nd insulating sheet. It is a disassembled perspective view of a joint connector which shows 2nd Embodiment of this invention. It is a front view of a bus bar which shows a 2nd embodiment of the present invention. It is a front view of the 1st insulating sheet (or the 2nd insulating sheet or the 3rd insulating sheet) which shows a 2nd embodiment of the present invention. It is sectional drawing which shows 2nd Embodiment of this invention and shows the state before inserting a terminal in a 1st insulating sheet (or 2nd insulating sheet or 3rd insulating sheet) and a bus bar. It is sectional drawing which shows 2nd Embodiment of this invention and shows the state which inserted the terminal in the 1st insulating sheet (or 2nd insulating sheet or 3rd insulating sheet) and the bus bar. It is a front view of a joint connector which shows a conventional example. It is sectional drawing of a joint connector which shows a prior art example.

Explanation of symbols

1A, 1B Joint connector 2 Connector housing 6 Terminal accommodating chamber 10 Terminal 11 First vertical bus bar group (vertical bus bar group)
12 First insulation sheet (insulation sheet)
12a Busbar installation groove 13 Horizontal busbar group 14 Second insulation sheet (insulation sheet)
14a Busbar installation groove 15 Second vertical busbar group (vertical busbar group)
16 Busbar 18 Small-diameter hole 19 Large-diameter hole 20 Medium-diameter hole 21 First insulating sheet (insulating sheet)
22 First vertical bus bar group (vertical bus bar group)
23 Second insulation sheet (insulation sheet)
24 Horizontal busbar group 25 3rd insulation sheet (insulation sheet)
26 Second vertical bus bar group (vertical bus bar group)
27 Bus bar 28 Terminal press-fit hole 28a Deflection peripheral edge 29 Terminal non-interference hole 30 Terminal interference hole 30a Tongue side 31 Bus bar installation groove T Terminal insertion direction

Claims (10)

  A group of vertical bus bars in which a plurality of linear bus bars are spaced apart from each other in a vertical direction, and a group of linear bus bars are disposed in a spaced apart manner in the group of vertical bus bars. A plurality of horizontal bus bars arranged, and each bus bar of each of the vertical bus bar group and the horizontal bus bar group intersects each bus bar at a position where it intersects, and is selectively connected to each of the penetrated bus bars. A joint connector comprising: a terminal; and a connector housing for fixing the vertical bus bar group, the horizontal bus bar group, and the plurality of terminals, and arranging the plurality of terminals in a terminal accommodating chamber. The joint connector according to claim 1,
At least one of the vertical bus bar group and the horizontal bus bar group has two or more layers. The joint connector according to claim 1,
A joint connector characterized in that a small-diameter hole into which the terminal is press-fitted and a large-diameter hole into which the terminal is inserted without contact are selectively provided at the crossing positions of the bus bars. The joint connector according to claim 1, wherein
A joint connector, wherein an insulating sheet is interposed between the vertical bus bar group and the horizontal bus bar group. The joint connector according to claim 3,
An insulating sheet is interposed between the vertical bus bar group and the horizontal bus bar group, and each position of the insulating sheet corresponding to the crossing position of the bus bars is larger than the small diameter hole and smaller than the large diameter hole. A joint connector characterized by a medium-diameter hole. The joint connector according to claim 4,
A joint connector characterized in that a bus bar installation groove for installing each bus bar of the vertical bus bar group and the horizontal bus bar is provided in the insulating sheet. The joint connector according to claim 1,
An insulating sheet is provided on the upstream surface in the terminal insertion direction in each of the vertical bus bar group and the horizontal bus bar group, and a terminal press-fitting hole into which the terminal is inserted is provided at an intersection position of the bus bars. At each part of the insulating sheet corresponding to the position, a terminal non-interference hole that is at least larger than the cross-sectional shape of the terminal, and at least partly smaller than the cross-sectional shape of the terminal, a peripheral tongue portion in the insertion process of the terminal A joint connector characterized by being selectively provided with a terminal interference hole to be bent. The joint connector according to claim 7,
A joint connector characterized in that a bent peripheral portion that bends and deforms outward when the terminal is inserted into the terminal press-fitting hole is provided. The joint connector according to claim 7,
The joint connector is characterized in that the terminal press-fitting hole of the bus bar has a shape having four sides, and the terminal interference hole has a shape having a tongue side part protruding from the four sides of the terminal press-fitting hole at the periphery. The joint connector according to claim 7,
A joint connector, wherein the insulating sheet is provided with bus bar installation grooves for installing the bus bars of the vertical bus bar group and the horizontal bus bar group.

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