JP5718135B2 - Joint connector - Google Patents

Description

  The present invention relates to a joint connector.

  A wire harness for transferring information such as a state of a braking device and an engine, vehicle speed, failure diagnosis, and the like is routed in the automobile by CAN (Control Area Network) communication. In this type of wire harness, a plurality of sub-harnesses are electrically connected. The sub-harness is provided with a joint connector for branching the circuit.

  The joint connector controls various electrical components mounted on the automobile by the CAN communication described above, and ferrite that removes noise superimposed on the signal in order to reduce the adverse effect on signal transmission such as noise radiation (For example, refer to Patent Documents 1 to 3).

  The joint connectors shown in Patent Literature 1 to Patent Literature 3 and the like include a connector housing that fits with another connector, a terminal fitting that is accommodated in the connector housing and electrically connected to a terminal of the other connector, It has. The terminal fitting is made of a conductive sheet metal, and includes a rod-like bus bar and a plurality of needle-like terminal portions that extend from the base portion and are connected to the terminals of the other connector. The terminal fitting is provided with the above-described ferrite penetrating through the needle-like terminal portion.

JP 2008-218038 A JP 2008-131327 A JP 2010-170985 A

  The conventional joint connector disclosed in Patent Document 1 described above has a problem that the structure is complicated because a plurality of through-holes that allow the needle-like terminal portions to pass through the ferrite are formed. In addition, since the structure of the ferrite becomes complicated, there is a problem that strict dimensional management must be performed, which is expensive. Furthermore, there is a problem that a ferrite having a special shape must be prepared for each connector pole number.

  Since the conventional joint connector shown in Patent Document 2 and Patent Document 3 is provided with ferrite in the needle-shaped terminal portion, the interval between the needle-shaped terminal portions is wider than the terminal interval of the existing general-purpose connector. There is a problem that the joint connector is larger than the general-purpose connector described above.

  The present invention aims to solve this problem. That is, the present invention provides a miniaturized joint having the versatility of being electrically connected to the existing general-purpose connector by setting the interval between the needle-shaped terminal portions penetrating the ferrite to be the same as the terminal interval of the existing general-purpose connector. An object is to provide a connector.

In order to solve the above problems and achieve the object, the invention described in claim 1 is a joint connector including a terminal fitting provided with a ferrite core and a connector housing in which the terminal fitting is accommodated. The terminal fitting includes a bus bar and a plurality of needle-like terminal portions extending from the bus bar at intervals in the longitudinal direction of the bus bar, and the ferrite core is a base end of the needle-like terminal portion A first ferrite core provided on the part side, a second ferrite core provided on the intermediate part side of the needle-like terminal part, and the first ferrite core and the second ferrite core, wherein provided in each of the plurality of needle-shaped terminal portions alternately, said connector housing, said the first ferrite core base end of the needle-shaped terminal portion, the second ferrite core the needle The intermediate portion of the terminal portion, a joint connector, wherein the second inner housing to position said these the first ferrite core second ferrite core is disposed so as to be positioned respectively.

The invention described in claim 2 is a joint connector comprising a terminal fitting provided with a ferrite core and a connector housing in which the terminal fitting is accommodated, wherein the terminal fitting includes a bus bar, A plurality of needle-like terminal portions extended from the bus bar at intervals in the longitudinal direction, and the ferrite core is provided on the base end side of the needle-like terminal portion; and A second ferrite core provided on the intermediate portion side of the needle-shaped terminal portion, and the first ferrite core and the second ferrite core are alternately arranged in each of the plurality of needle-shaped terminal portions. The connector housing includes an inner housing in which the terminal fitting is provided, and an outer housing in which an inner housing accommodating chamber for accommodating the inner housing is provided. The inner housing includes a bus bar housing chamber in which the bus bar of the terminal fitting is accommodated and a proximal end side of the needle-like terminal portion of the terminal fitting, and the first ferrite core is accommodated in the inner housing. A first inner housing provided with one ferrite containing chamber, and a second inner housing provided with a second ferrite containing chamber through which the intermediate portion side of the needle-like terminal portion is inserted and the second ferrite core is received The first ferrite storage chamber and the second ferrite storage chamber are alternately provided in each of the plurality of needle-like terminal portions, and the second inner housing has the first ferrite storage chamber A first projecting portion projecting toward the chamber and having a through-hole through which the needle-shaped terminal portion passes is provided, and the inner housing housing chamber includes the second ferrule. It is a joint connector, characterized in that the second projecting portion through hole and the needle-shaped terminal portion protrudes toward the storage chamber to penetrate is apertured is provided.

The invention described in claim 3 is the joint connector according to claim 1 or 2, wherein the interval between the needle-like terminal portions is formed in the terminal interval of the general-purpose connector .

  According to the first aspect of the present invention, the joint connector includes a first ferrite core provided on the proximal end side of the needle-shaped terminal portion and a second ferrite core provided on the intermediate portion side of the needle-shaped terminal portion. Since the ferrite core is alternately provided in each of the plurality of needle-like terminal portions, the terminals of the needle-like terminal portions are not changed without changing the dimensions of the first ferrite core and the second ferrite core. The interval can be reduced. For this reason, the terminal metal fitting in which the said needle-shaped terminal part was formed can be reduced in size, and a joint connector can be reduced in size.

According to the invention described in claim 2, the joint connector houses the bus bar of the terminal fitting in the bus bar housing chamber of the first inner housing, and houses the first ferrite in the first ferrite housing chamber, and the second inner housing. Since the second ferrite is accommodated in the second ferrite accommodating chamber, and the first ferrite accommodating chamber and the second ferrite accommodating chamber are alternately provided in each of the plurality of needle-like terminal portions, it is relatively simple. With a simple structure, it is possible to reduce the terminal interval between the needle-like terminal portions of the terminal fitting without changing the dimensions of the ferrite core. For this reason, the joint connector of a small and simple structure can be provided.

According to the invention described in claim 3, the joint connector is a general-purpose connector that can be connected to the general-purpose connector because the interval between the plurality of needle-like terminal portions of the terminal fitting is formed at the terminal interval of the general-purpose connector. Have sex. For this reason, the joint connector reduced in size and provided with versatility can be provided.

It is a perspective view of the joint connector concerning one embodiment of the present invention. FIG. 2 is a cross-sectional view taken along the line II-II of the joint connector illustrated in FIG. 1. FIG. 2 is an exploded cross-sectional view of the joint connector shown in FIG. 1. It is a perspective view explaining the assembly of the joint connector shown by FIG. It is a perspective view explaining the state by which the joint connector shown by FIG. 1 and another connector are connected. It is a perspective view which shows the modification of the joint connector concerning this invention.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
As shown in FIGS. 1 and 2, the joint connector 1 according to one embodiment of the present invention includes a terminal fitting 3 that is electrically connected to a terminal of a general-purpose connector 62 of a sub-harness 61 (shown in FIG. 5), And a connector housing 2 that accommodates the terminal fitting 3 and fits with the general-purpose connector.

  As shown in FIGS. 2 and 3, the terminal fitting 3 is made of conductive sheet metal and is formed in a comb shape. The terminal fitting 3 includes a bus bar 28 formed in a thin plate shape, and a plurality (11 in the illustrated example) of needle-like terminal portions 29 extending from the bus bar 28 in a direction orthogonal to the bus bar 28. Yes. The terminal fitting 3 is formed by press working or the like. As shown in FIG. 4, the terminal fitting 3 includes a plurality of (two in the illustrated example) terminal fittings 3 a and 3 b in the thickness direction of the terminal fitting 3, and the terminal fittings 3 a and 3 b are parallel to each other. It is arranged.

  The bus bar 28 is provided with a plurality (ten in the illustrated example) of holes 31 at equal intervals along the longitudinal direction of the bus bar. The bus bar 28 is provided with engaging protrusions 32 and 32 which are engaged with inner walls of the bus bar accommodating chamber 12 of the first inner housing 6 described later at both ends of the bus bar 28 in the longitudinal direction. The engagement protrusions 32, 32 are formed such that the protrusion amount gradually increases toward the needle-shaped terminal portion 29 side.

  As shown in FIGS. 2 and 3, the needle-like terminal portions 29 are provided at equal intervals in the longitudinal direction of the bus bar 28 and are provided in parallel to each other. The needle-like terminal portion 29 has a tip portion 29c formed in a tapered shape so as to be easily fitted into the female terminal of the general-purpose connector described above. As shown in FIGS. 1 and 2, the needle-shaped terminal portion 29 is connected to the fitting portion 9 of the connector housing 5 when the above-described general-purpose connector 62 is fitted to the fitting connector 9. The length is electrically connected to the terminal. The intervals between the needle-shaped terminal portions 29 are formed at the terminal intervals of the general-purpose connector 62.

  As shown in FIGS. 2 and 3, the connector housing 2 is provided in parallel with the first inner housing 6 in which the bus bar accommodating chamber 12 for accommodating the bus bar 28 of the terminal fitting 3 is formed, and the first inner housing 6. A second inner housing 7 and an outer housing 5 that accommodates the first inner housing 6 and the second inner housing 7. The connector housing 2 is formed of an insulating synthetic resin such as polyvinyl chloride resin.

  As shown in FIG. 4, the first inner housing 6 communicates with the bus bar housing chamber 12 and houses a plurality of first ferrite cores 10 a provided on the base end portion 29 a side of the needle-like terminal portion 29 of the terminal fitting 3. There are six first ferrite storage chambers 21 (six in the illustrated example). The first inner housing 6 is provided with engaging projections 40, 40 that engage with engaging claws 14, 14 formed in an inner housing accommodating chamber 38 of the outer housing 5 described later, at both ends in the longitudinal direction. .

  As shown in FIGS. 2 to 4, the bus bar housing chamber 12 has a width in which the engagement protrusions 32 and 32 of the bus bar 28 of the terminal fitting 3 are engaged with the two terminal fittings 3 a and 3 b in parallel. And the depth to be accommodated.

  As shown in FIGS. 2 and 3, a plurality of first ferrite containing chambers 21 (six in the illustrated example) are provided in parallel with the longitudinal direction of the bus bar 28 of the terminal fitting 3 and in the longitudinal direction. It is provided at equal intervals. A plurality (five in the illustrated example) of through-holes 37 through which the needle-like terminal portions 29 of the terminal fitting 3 pass are provided between the first ferrite storage chambers 21. As shown in FIG. 4, the first ferrite storage chamber 21 has a needle-like terminal portion 29 of each of the two terminal fittings 3a and 3b penetrating therethrough and a first ferrite core 10a described later. It is formed in a rectangular shape. In the illustrated example, the odd-numbered needle-like terminal portions 29 are penetrated through the first ferrite accommodating chamber 21 from one end of the terminal fitting 3.

  2 and 3, the second inner housing 7 is in contact with the first ferrite core 10a accommodated in the first ferrite accommodating chamber 21 of the first inner housing 6, and the first ferrite core 10a. A plurality of (six in the illustrated example) first protrusions 23 that prevent rattling and a plurality (in the illustrated example) through which the needle-like terminal portions 29 of the terminal fitting 3 pass and communicate with the first protrusions 23. Then, the six through holes 24 are provided between the through holes 24 and the needle-like terminal portions 29 of the terminal fitting 3 pass therethrough and are provided on the intermediate portion 29b side of the needle-like terminal portions 29. A second ferrite housing chamber 36 for housing the second ferrite core 10b. At both ends in the longitudinal direction of the second inner housing 7, bulging portions 26 that engage with the inner wall of the inner housing accommodating chamber of the outer housing 5 are provided.

  As shown in FIGS. 2 and 3, the first projecting portion 23 is formed with a projecting amount that contacts the first ferrite core 10 a housed in the first ferrite housing chamber 21 of the first inner housing 6. The first projecting portion 23 is provided at one end of a through hole 24 through which each one of the needle-like terminal portions 29 of the two terminal fittings 3a and 3b passes. In addition, you may adjust the space | interval of the 1st protrusion part 23 and the 1st ferrite core 10a suitably including what contact | abuts.

  The through hole 24 is formed in a circular shape and has a diameter through which the needle-like terminal portion 29 of the terminal fitting 3 is penetrated. Two through holes 24 are provided side by side so that each one of the needle-like terminal portions 29 of the two terminal fittings 3a and 3b penetrates.

  As shown in FIGS. 2 and 3, a plurality of (second in the illustrated example) five second ferrite storage chambers 36 are provided in parallel with the longitudinal direction of the bus bar 28 of the terminal fitting 3. It is provided at equal intervals. The above-described through holes 24 are provided on both side surfaces of each second ferrite containing chamber 36. As shown in FIG. 4, the second ferrite housing chamber 36 accommodates a second ferrite core 10b described later, through which each one of the needle-like terminal portions 29 of the two terminal fittings 3a and 3b penetrates. It is formed in a rectangular shape. In the illustrated example, the even-numbered needle-like terminal portions 29 are passed through the second ferrite containing chamber 36 from one end of the terminal fitting 3.

  As shown in FIGS. 2 and 3, the outer housing 5 includes an inner housing housing chamber that houses the fitting portion 9 that fits the general-purpose connector described above, and the first inner housing 6 and the second inner housing 7 described above. 38.

  As shown in FIG. 3, the fitting portion 9 is formed in a cylindrical shape having a rectangular cross section, and guide portions 15 and 15 for defining the mounting direction when fitting the above-described general-purpose connector on the inner peripheral surface. Is formed. The fitting portion 9 is provided with an engaging portion that engages with an engaging means (not shown) provided in the general-purpose connector.

  As shown in FIG. 3, the inner housing accommodating chamber 38 includes engaging claws 14, 14 that engage with engaging protrusions 40, 40 formed at both ends of the first inner housing 6, and the second inner housing. 7 are provided with inner wall surfaces 13, 13 pressed by bulging portions 26, 26 formed at both end portions, and a pressing portion 16 that comes into contact with the second inner housing 7.

  2 and 3, the engaging claws 14, 14 are provided on both side surfaces of the outer housing 5, and the amount of protrusion gradually increases along the inclined surfaces of the engaging protrusions 40, 40. Is formed. As shown in FIG. 4, the engaging claws 14, 14 are provided with slits 51, and the engaging claws 14, 14 are formed to be swingable.

  The inner wall surfaces 13, 13 are formed such that the interval between the inner wall surfaces 13, 13 is slightly wider than the width of the second inner housing 7, and the bulging portions 26, 26 of the second inner housing 7 are formed. Is formed to have a width for pressing the inner wall surfaces 13 and 13.

  The pressing portion 16 includes a plurality of (five in the illustrated example) second projecting portions 17 that prevent rattling of the second ferrite core 10b accommodated in the second ferrite accommodating chamber 36 of the second inner housing 7; A plurality of (six in the illustrated example) through-holes 19 are provided on both side surfaces of the second protrusion 17 and through which the needle-like terminal portions 29 of the terminal fitting 3 pass.

  The second projecting portion 17 is formed with a projecting amount that comes into contact with the second ferrite core 10 b housed in the second ferrite housing chamber 36. The second projecting portion 17 is provided with a through hole 18 through which the even-numbered needle-shaped terminal portion 29 passes from one end of the terminal fitting 3. The through-hole 18 is formed in a circular shape with a diameter through which the needle-like terminal portion 29 passes. In addition, you may adjust the space | interval of the 2nd protrusion part 17 and the 2nd ferrite core 10b suitably including what contact | abuts.

  The through hole 19 of the presser portion 16 is formed in a circular shape with a diameter through which the odd-numbered needle-like terminal portion 29 penetrates from one end of the terminal fitting 3 and the needle-like terminal portion 29 penetrates.

  The ferrite core 10 includes the first ferrite core 10a and the second ferrite core 10b described above. As shown in FIGS. 2 to 4, the ferrite core 10 is formed in a rectangular parallelepiped shape and includes two terminal fittings 3a and 3b. A plurality of (two in the illustrated example) through-holes 11 through which the respective needle-like terminal portions 29 penetrate are provided. The first ferrite core 10a and the second ferrite core 10b are so-called ferrite cores that remove high-frequency noise. The 1st ferrite core 10a and the 2nd ferrite core 10b are comprised from the ferromagnetic material of the well-known metal oxide, and are manufactured by the well-known manufacturing method.

  In the present invention, the first ferrite core 10a and the second ferrite core 10b are referred to as the first ferrite core 10a, and the second ferrite core 10b is a ferrite core accommodated in the first ferrite accommodating chamber 21 of the first inner housing 6. The ferrite core housed in the second ferrite housing chamber 36 of the inner housing 7 is referred to as a second ferrite core 10b. That is, the same ferrite core is used for the first ferrite core 10a and the second ferrite core 10b.

  The first ferrite core 10a is accommodated in the first ferrite accommodating chamber 21 of the first inner housing 6, and odd-numbered needle-like terminal portions 29 are penetrated from one end of the terminal fittings 3a, 3b. The second ferrite core 10b is accommodated in the second ferrite accommodating chamber 36 of the second inner housing 7, and the even-numbered needle-like terminal portions 29 are penetrated from one end of the terminal fittings 3a, 3b.

The assembly of the joint connector 1 configured as described above will be described below.
The outer housing 5, the first inner housing 6, the second inner housing 7, the terminal fittings 3a and 3b, the first ferrite core 10a, and the second ferrite core 10b constituting the joint connector 1 are respectively manufactured in advance. Is done.

  As shown in FIG. 4, the terminal fittings 3 a and 3 b are fitted and fixed in the first inner housing 6, and a plurality of first ferrite cores are provided in the plurality of first ferrite accommodating chambers 21 of the first inner housing 6. 10a is accommodated. At this time, the odd-numbered needle-like terminal portions 29 from one end of the terminal fittings 3a and 3b penetrate the first ferrite core 10a.

  Subsequently, the odd-numbered needle-like terminal portions 29 are passed through the through holes 24 of the plurality of first protrusions 23 of the second inner housing 7 from one end of the terminal fittings 3a and 3b, and the second housing 7 The even-numbered needle-like terminal portions 29 are penetrated from one end of the terminal fittings 3 a and 3 b through the through holes 25 of the plurality of second ferrite accommodating chambers 36, and the second inner housing 6 is placed on the first inner housing 6. Distribute 7. At this time, the first ferrite core 10a and the second ferrite core 10b are arranged in two stages at intervals in the longitudinal direction of the needle-shaped terminal portion 29, and the odd-numbered needle-shaped terminal portions 29 are arranged in the first ferrite. The even-numbered needle-like terminal portions 29 penetrate through the second ferrite core 10b while penetrating through the core 10a. For this reason, the space | interval of the needle-shaped terminal parts 29 can be shortened rather than the case where several ferrite cores are arranged in parallel on the same plane.

  Subsequently, a plurality of second ferrite cores 10 b are housed in the plurality of second ferrite housing chambers 36 of the second inner housing 7. At this time, even-numbered needle-like terminal portions 29 from one end of the terminal fittings 3a and 3b penetrate the second ferrite core 10b.

  Subsequently, the first inner housing 6 and the second inner housing 7 are pushed into the inner housing housing chamber 38 of the outer housing 5 and fixed in the inner housing housing chamber 38. At this time, the engaging projections 40, 40 of the first inner housing 6 engage with the engaging claws 14, 14 of the inner housing accommodating chamber 38, and the bulging portions 26, 26 of the second inner housing 7 The inner wall surface 13 of the inner housing accommodating chamber 38 is pressed, and the first inner housing 6 and the second inner housing 7 are securely fixed in the outer housing 5.

  As shown in FIG. 5, the joint connector 1 assembled as described above includes a plurality of (in the illustrated example, 22) electric wires 63 and general-purpose connectors 62 (male connectors) provided at the ends of the electric wires 63. It is connected to the sub harness 61 provided with. At this time, since the terminal interval of the general-purpose connector 62 and the terminal interval of the terminal fitting 3 of the joint connector 1 of the present invention are the same interval, the general-purpose connector 62 is fitted into the fitting portion 9 of the joint connector 1, The terminals of both connectors are electrically connected.

  In the embodiment described above, the joint connector 1 has 11 needle terminals 29 of the terminal fittings 3a and 3b, respectively. However, as shown in FIG. 6, the needles of the terminal fittings 3a and 3b are provided. It is good also considering the shape terminal part 29 as 19 38 poles. Also, the number of poles may be less than 22 poles. Regardless of the increase / decrease in the number of poles, the joint connector 1 of the present invention does not change the dimensions of the ferrite core 10, so that the general-purpose connector 62 can be Can be connected. Therefore, the number of poles of the joint connector 1 can be changed according to the general-purpose connector 62.

  According to the present embodiment, the joint connector 1 includes the terminal fitting 3 provided with the ferrite core 10 and the connector housing 5 in which the terminal fitting 3 is accommodated. And a plurality of needle-like terminal portions 29 extending from the bus bar 28 at intervals in the longitudinal direction of the bus bar 28, and the ferrite core 10 has a base end portion 29 a of the needle-like terminal portion 29. A first ferrite core 10a provided on the side and a second ferrite core 10b provided on the intermediate portion 29b side of the needle-shaped terminal portion 29, and the first ferrite core 10a and the second ferrite core Cores 10b are alternately provided on each of the plurality of needle-like terminal portions 29. Further, the interval between the needle-shaped terminal portions 29 is formed to be the interval between the terminals of the general-purpose connector 62.

  For this reason, the joint connector 1 includes a first ferrite core 10a provided on the proximal end portion 29a side of the needle-like terminal portion 29 and a second ferrite core 10b provided on the intermediate portion 29b side of the needle-like terminal portion 29. Are alternately provided in each of the plurality of needle-like terminal portions 29, so that the needle-like terminal portions 29 can be connected to each other without changing the dimensions of the first ferrite core 10a and the second ferrite core 10b. The terminal interval can be reduced. For this reason, the terminal metal fitting 3 in which the said needle-shaped terminal part 29 was formed can be reduced in size, and the joint connector 1 can be reduced in size.

  In addition, the joint connector 1 has versatility that can be connected to the general-purpose connector 62 because the interval between the plurality of needle-like terminal portions 29 of the terminal fitting 3 is formed as the terminal interval of the general-purpose connector 62. For this reason, the joint connector 1 reduced in size and provided with versatility can be provided.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Joint connector 2 Connector housing 3 Terminal metal fitting 5 Outer housing 6 1st inner housing 7 2nd inner housing 10 Ferrite core 10a 1st ferrite 10b 2nd ferrite 12 Bus bar accommodating chamber 17 2nd protrusion part 18 Through-hole 21 1st ferrite accommodation Part 23 First projecting part 24 Through hole 28 Bus bar 29 Needle-shaped terminal part 36 Second ferrite accommodation chamber

Claims (3)

In a joint connector comprising a terminal fitting provided with a ferrite core, and a connector housing in which the terminal fitting is accommodated,
The terminal fitting includes a bus bar, and a plurality of needle-like terminal portions extending from the bus bar at intervals in the longitudinal direction of the bus bar,
The ferrite core includes a first ferrite core provided on the proximal end side of the needle-like terminal portion, and a second ferrite core provided on an intermediate portion side of the needle-like terminal portion, and The first ferrite core and the second ferrite core are alternately provided in each of the plurality of needle-like terminal portions,
In the connector housing, the first ferrite core is located on the proximal end side of the needle-like terminal portion, and the second ferrite core is located on the intermediate portion side of the needle-like terminal portion. A joint connector comprising a second inner housing for positioning one ferrite core and the second ferrite core . In a joint connector comprising a terminal fitting provided with a ferrite core, and a connector housing in which the terminal fitting is accommodated,
The terminal fitting includes a bus bar, and a plurality of needle-like terminal portions extending from the bus bar at intervals in the longitudinal direction of the bus bar,
The ferrite core includes a first ferrite core provided on the proximal end side of the needle-like terminal portion, and a second ferrite core provided on an intermediate portion side of the needle-like terminal portion, and The first ferrite core and the second ferrite core are alternately provided in each of the plurality of needle-like terminal portions,
The connector housing includes an inner housing in which the terminal fitting is provided, and an outer housing in which an inner housing accommodating chamber for accommodating the inner housing is provided,
The inner housing includes a bus bar accommodating chamber in which the bus bar of the terminal fitting is accommodated, and a first ferrite accommodating chamber in which the proximal end side of the needle-like terminal portion of the terminal fitting is inserted and the first ferrite core is accommodated. A first inner housing provided with a second inner housing provided with a second ferrite containing chamber in which the intermediate portion side of the needle-like terminal portion is inserted and the second ferrite core is accommodated.
The first ferrite storage chamber and the second ferrite storage chamber are alternately provided in each of the plurality of needle-shaped terminal portions,
The second inner housing is provided with a first projecting portion projecting toward the first ferrite housing chamber and having a through hole through which the needle-like terminal portion passes, and the inner housing housing chamber Is provided with a second projecting portion that is protruded toward the second ferrite accommodating chamber and has a through-hole through which the needle-like terminal portion passes . Distance between the needle-shaped terminal portion, the joint connector according to claim 1 or claim 2, characterized in that it is formed in the terminal interval universal connector.

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