JP2013025914A - Joint connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint connector which deals with the combination of the dimensions and the number of stages of ferrite cores, and in which the noise elimination performance of a terminal metal fitting is enhanced and can be changed appropriately for each needle-like terminal of the terminal metal fitting.SOLUTION: The joint connector 1 includes a terminal metal fitting 3 provided with ferrite cores 10 for removing noise, and a connector housing 2 housing the terminal metal fitting 3. The terminal metal fitting 3 includes a bus bar 28, and a plurality of needle-like terminals 29 extending in a direction substantially orthogonal to the longitudinal direction of the bus bar 28 while spaced apart from each other in the longitudinal direction of the bus bar 28. The connector housing 2 is provided with ferrite housing chambers 21, 36 so as to house the ferrite cores 10 provided in the needle-like terminals 29, and the ferrite housing chambers 21, 36 are provided in a plurality of stages along the needle-like terminals 29.

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 Document 1).

  The joint connector disclosed in Patent Document 1 includes a connector housing that is provided with an opening on one side and is fitted to another connector, and a terminal that is fitted from the opening of the connector housing and is fixed in the connector housing. A metal fitting, a single-stage ferrite provided on the terminal metal fitting, and a fixture that is fitted from the opening and fixes the single-stage ferrite in the connector housing. The terminal fitting is provided with a plurality of needle-like terminal portions that are electrically connected to the terminals of the other connector.

JP 2008-218038 A

  The conventional joint connector disclosed in Patent Document 1 described above has a problem in that noise removal performance is limited because noise of the terminal fitting is removed by one stage of ferrite.

  In addition, the conventional joint connector has a problem in that the noise removal performance of each of the plurality of needle-like terminal portions cannot be changed as appropriate because the noise of the terminal fitting is removed by one stage of ferrite having the same size.

  In addition, since the conventional joint connector fixes a single stage of ferrite in the connector housing with a fixture fitted from the opening, when changing the size and number of stages of ferrite provided in a plurality of needle-shaped terminal parts, There arises a problem that a dedicated fixing tool must be prepared for each combination of dimensions and number of steps. For this reason, in the configuration of the conventional joint connector shown in Patent Document 1 described above, the noise removal performance can be improved by appropriately changing the size and the number of steps of the ferrite, or each of the plurality of needle-like terminal portions. The noise removal performance cannot be changed as appropriate.

  The present invention aims to solve this problem. That is, the present invention improves the noise removal performance of the terminal fitting, allows the noise removal performance to be appropriately changed for each needle-like terminal of the terminal fitting, and is a joint connector corresponding to a combination of the dimensions and the number of stages of the ferrite core. The purpose is to provide.

  In order to solve the problems and achieve the object, the invention described in claim 1 is a joint including a terminal fitting provided with a ferrite core for removing noise, and a connector housing in which the terminal fitting is accommodated. In the connector, the terminal fitting includes a bus bar and a plurality of bus bars provided to extend in a direction substantially orthogonal to the longitudinal direction of the bus bar and spaced apart from each other in the longitudinal direction of the bus bar. The connector housing is provided with a ferrite housing chamber formed to accommodate the ferrite core provided in each of the plurality of needle-like terminal portions, and the ferrite housing The joint connector is characterized in that a storage chamber is provided in a plurality of stages along each of the plurality of needle-like terminal portions.

  The invention described in claim 2 is characterized in that each of the plurality of needle-like terminal portions is provided with the ferrite core in one or two stages according to noise removal performance. 1. The joint connector according to 1.

  According to a third aspect of the present invention, the connector housing includes a first inner housing in which the bus bar is fitted and fixed, a second inner housing that is inserted through the plurality of needle-like terminal portions, and the first housing. An outer housing that accommodates the one inner housing and the second inner housing, and the ferrite core includes a first ferrite core and a second ferrite core, and the first inner housing includes the first inner housing and the second inner housing. A first ferrite housing chamber formed to accommodate one ferrite core is provided, and a second ferrite housing chamber formed to accommodate the second ferrite core is provided in the second inner housing. The joint connector according to claim 1 or 2, wherein the joint connector is characterized in that:

  The invention described in claim 4 is the joint connector according to any one of claims 1 to 3, wherein the ferrite core is formed in a plurality of dimensions.

  According to the first aspect of the present invention, since the joint connector is provided with the ferrite housing chamber in which the ferrite core provided in a plurality of stages in the needle-like terminal portion is accommodated in the connector housing in a plurality of stages. By accommodating the ferrite core in each of the storage chambers, the noise removal performance can be easily improved.

  In the joint connector, since the ferrite housing chamber is provided in a plurality of stages in the connector housing, the number of ferrite cores provided in the ferrite housing chamber can be appropriately changed. For this reason, the noise removal performance of each of the plurality of needle-like terminal portions can be changed as appropriate.

  Further, since the joint connector can appropriately change the noise removal performance by appropriately changing the number of ferrite cores provided in the ferrite accommodating chamber, a general-purpose ferrite core can be used. For this reason, it can be made cheaper than a conventional joint connector that uses a dedicated ferrite core of a variety and a small quantity for each noise removal performance.

  In addition, the joint connector has a ferrite housing chamber provided in multiple stages in the connector housing, so that the number of ferrite cores provided in the ferrite housing chamber can be changed as appropriate. It can be made cheaper than a conventional joint connector.

  Further, the joint connector has a ferrite housing chamber provided in a plurality of stages in the connector housing, and the number of ferrite cores provided in the ferrite housing chamber can be appropriately changed. Therefore, the assembly process can be simplified.

  In the joint connector, since the ferrite accommodating chamber is formed so that the ferrite core can be accommodated, it is possible to select that the ferrite core is not accommodated in the ferrite accommodating chamber when noise removal performance is unnecessary. For this reason, it can be used as a general-purpose joint connector that does not require noise removal performance.

  According to the invention described in claim 2, since the joint connector is provided with the ferrite core in each of the plurality of needle-like terminal portions in one or two stages according to the noise removal performance, each joint-like terminal portion In addition, the noise removal performance can be changed as appropriate.

  According to the invention described in claim 3, the joint connector fixes the terminal fitting to the first inner housing and can accommodate the first ferrite core, and can accommodate the second ferrite core in the second inner housing. In order to accommodate the first inner housing and the second inner housing in the outer housing, the first ferrite core is accommodated in the first ferrite accommodating chamber without changing the members constituting the joint connector, thereby further increasing the ferrite core. The second ferrite core is accommodated in the second ferrite accommodating chamber to make the ferrite core one level, the first ferrite core is accommodated in the first ferrite accommodating chamber, and the second ferrite core is accommodated in the second ferrite accommodating chamber. Thus, the ferrite core can be made into two stages. Therefore, the noise removal performance of the needle-shaped terminal portion can be changed as appropriate without changing the constituent members of the joint connector.

  According to the invention described in claim 4, since the joint connector can accommodate the ferrite cores formed in a plurality of dimensions in the ferrite accommodating chamber, the joint connector forms a combination of the number of the ferrite cores and the dimensions. Can do. For this reason, a wider noise removal performance can be exhibited than a noise removal performance formed by a combination of only the number of stages of ferrite cores formed with the same dimensions.

It is a perspective view of the joint connector concerning a first 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 sectional drawing of the joint connector concerning 2nd embodiment of this invention.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
(First embodiment)
As shown in FIGS. 1 and 2, the joint connector 1 according to the first embodiment of the present invention is 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 into which the general-purpose connector 62 is pushed.

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

  As shown in FIGS. 2 and 3, the bus bar 28 has a plurality of (10 in the illustrated example) holes 31 provided at equal intervals along the longitudinal direction of the bus bar 28. The bus bar 28 is provided with engaging protrusions 32 that engage with the inner wall surface 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 protrusion 32 is formed such that the protrusion amount gradually increases toward the needle-shaped terminal portion 29 side.

  The needle-shaped terminal portions 29 are provided at equal intervals along 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 62 described above. As shown in FIGS. 1 and 2, the needle-shaped terminal portion 29 is configured so that when the general-purpose connector 62 is fitted into the fitting portion 9 of the connector housing 2, the needle-shaped terminal portion 29 is a terminal of the general-purpose connector 62. It is formed in the length electrically connected to. The interval between the needle-shaped terminals 29 is formed to be the interval between the terminals 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 4 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.

  In the present embodiment, the first inner housing 6 and the second inner housing 7 are provided with two stages of ferrite housing chambers 21 and 36 in which the ferrite core 10 provided on the needle-like terminal portion 29 can be housed. What is shown is shown as an example, and may be a plurality of stages such as three stages.

  As shown in FIG. 3, the first inner housing 6 is connected to the bus bar housing chamber 12 and the ferrite core provided on the base end portion 29 a side of the needle-shaped terminal portion 29 of the terminal fitting 3. A plurality of (six in the illustrated example) first ferrite accommodating chambers 21 as ferrite accommodating chambers formed so as to be capable of accommodating the first ferrite core 10a as ten, and a holding piece 40 engaged with the outer housing 4; It is equipped with.

  As shown in FIG. 2, the bus bar housing chamber 12 is formed to have a width that allows the engagement protrusions 32 of the bus bar 28 of the terminal fitting 3 to be engaged, and the terminal fittings 3a and 3b are accommodated in parallel. Is formed.

  As shown in FIGS. 2 to 4, a plurality (six in the illustrated example) of first ferrite accommodating chambers 21 are provided in parallel to the longitudinal direction of the bus bar 28 of the terminal fitting 3. The plurality of first ferrite storage chambers 21 are provided at equal intervals in parallel to the longitudinal direction of the bus bar 28. The first ferrite housing chamber 21 is formed in a rectangular shape for housing the first ferrite core 10a. An insertion hole through which each one of the needle-like terminal portions 29 of the terminal fittings 3a, 3b is inserted is provided in the bottom portion of the first ferrite accommodating chamber 21.

  As shown in FIGS. 3 and 4, the holding piece 40 is formed so as to extend from the lower ends of both ends in the longitudinal direction of the first inner housing 6 along the extending direction of the needle-shaped terminal portion 29. Yes. The holding piece 40 includes arm portions 40 that are respectively extended from both ends of the lower end portion, and a locking portion 41 that is locked to a locking claw 14 of the outer housing 4 described later. The holding piece 40 is formed to be swingable. For this reason, the outer housing 4 and the first inner housing 6 can be separated by operating the holding piece 40 of the first inner housing 6 locked to the outer housing 4 with a tool or the like.

  The second inner housing 7 includes a plurality of (six in the illustrated example) first projecting portions 23 that prevent rattling of the first ferrite core 10 a housed in the first ferrite housing chamber 21 of the first inner housing 6. A plurality (six in the illustrated example) of insertion holes 24 that communicate with the first projecting portion 23 and through which the needle-like terminal portions 29 of the terminal fitting 3 are inserted, and communicate with the insertion holes 24. Accommodating the second ferrite as a ferrite accommodating chamber formed so as to be able to accommodate the second ferrite core 10b as the ferrite core 10 provided on the intermediate portion 29b side of the acicular terminal 29 while the needle-shaped terminal 29 penetrates. Chamber 36.

  The first projecting portion 23 is formed with a projecting amount that suppresses rattling of the first ferrite core 10a in contact with or close to the first ferrite core 10a housed in the first ferrite housing chamber 21. The first protruding portion 23 is formed so that one end side of the insertion hole 24 through which each one of the needle-like terminal portions 29 of the terminal fittings 3a and 3b is inserted protrudes. In addition, you may adjust the protrusion amount of the 1st protrusion part 23 suitably.

  The insertion 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 inserted. Each one of the needle-like terminal portions 29 of the terminal fittings 3a, 3b passes through the insertion hole 24. As shown in FIG. 4, two insertion holes 24 are opened side by side in each second ferrite storage chamber 36.

  As shown in FIGS. 2 and 3, a plurality (six in the illustrated example) of second ferrite accommodating chambers 36 are provided in parallel to the longitudinal direction of the bus bar 28 of the terminal fitting 3. The second ferrite storage chambers 36 are provided at equal intervals in parallel to the longitudinal direction of the bus bar 28. As shown in FIG. 4, each of the second ferrite accommodating chambers 36 has a rectangular shape in which each one of the needle-like terminal portions 29 of the terminal fittings 3a and 3b penetrates and accommodates the second ferrite core 10b. Is formed.

  As shown in FIGS. 2 and 3, the outer housing 4 accommodates the above-described general-purpose connector 62, the fitting portion 9 that fits, and the above-described first inner housing 6 and second inner housing 7. The chamber 38 and the locking claw 14 locked to the holding piece 40 of the first inner housing 6 are provided.

  As shown in FIGS. 3 and 4, the fitting portion 9 is formed in a rectangular tube shape, and a guide portion that defines the mounting direction when fitting the above-described general-purpose connector 62 on the inner peripheral surface. 15 is formed. The fitting portion 9 is provided with an engaging portion that engages with an engaging means (not shown) provided on the general-purpose connector 62.

  The inner housing accommodating chamber 38 is provided with a locking claw 14 that is locked to the holding piece 40 of the first inner housing 6 and extended from the fitting portion 9 side, and the fitting portion 9 through which the needle-like terminal portion 29 of the terminal fitting 3 is inserted, and the second protruding portion 17 protruding from one end of the insertion hole 18 on the inner housing accommodating chamber 38 side. I have.

  The extension piece 13 is formed to extend from the side of the fitting portion 9 toward the holding piece 40 of the first inner housing 6 and is provided with a locking claw 14 that protrudes outside the inner housing housing chamber 38. ing. The extension piece 13 is formed with a slit on the tip side so as to be swingable.

  The insertion hole 18 is formed in a circular shape and has a diameter through which the needle-like terminal portion 29 of the terminal fitting 3 is inserted. Each one of the needle-like terminal portions 29 of the terminal fittings 3a and 3b is inserted into the insertion hole 18.

  The second projecting portion 17 is formed with a projecting amount that suppresses rattling of the second ferrite core 10b in contact with or close to the second ferrite core 10b accommodated in the second ferrite housing chamber 36. The second protruding portion 17 is formed so that one end side of the insertion hole 18 through which each one of the needle-like terminal portions 29 of the terminal fittings 3a and 3b is inserted protrudes. In addition, you may adjust the protrusion amount of the 2nd protrusion part 23 suitably.

  The locking claw 14 is formed such that the protruding amount gradually decreases toward the distal end portion of the extension piece 13. As shown in FIG. 5, the locking claw 14 is formed so as to be able to enter between the arm portions 40 a of the holding piece 40.

  As shown in FIG. 3, the ferrite core 10 includes a first ferrite core 10a and a second ferrite core 10b. As shown in FIGS. 3 and 4, the ferrite core 10 is formed in a rectangular parallelepiped shape, and is provided with a through hole 11 through which the respective needle-like terminal portions 29 of the terminal fittings 3 a and 3 b pass. The ferrite core 10 is a so-called ferrite core that removes high-frequency noise, is made of a known metal oxide ferromagnetic material, and is manufactured by a known manufacturing method.

  The first ferrite core 10a is provided on the proximal end side of the needle-shaped terminal portion 29, and the second ferrite core 10b is provided on the intermediate portion side of the needle-shaped terminal portion 29. The second ferrite core 10 b is provided in two stages in the longitudinal direction of the needle-like terminal portion 29.

  The through-hole 11 includes a through-hole through which one needle-like terminal portion 29 of the terminal fitting 3a is inserted and a through-hole through which one needle-like terminal 29 of the terminal fitting 3b is inserted, and is opened side by side. A hole is formed.

  The first ferrite core 10a is formed to have a thickness D1 in which the dimension in the direction parallel to the longitudinal direction of the needle-shaped terminal portion 29 is thick. A plurality (six in the illustrated example) of first ferrite cores 10a are used.

  The second ferrite core 10b is formed so that the dimension in the direction parallel to the longitudinal direction of the needle-like terminal portion 29 is a thin thickness D2. The second ferrite core 10b is formed to a thickness of about half that of the first ferrite core 10a. A plurality (six in the illustrated example) of second ferrite cores 10b are used.

  In the present invention, the first ferrite core 10a is formed to have a thick thickness D1 and the second ferrite core 10b is formed to have a thin thickness D2. It means that the ferrite core 10b is formed relatively thicker and the second ferrite core 10b is formed thinner than the first ferrite core 10a. That is, the relative thickness is D1> D2.

  The thicknesses of the first ferrite core 10a and the second ferrite core 10b are not limited to the illustrated example, and may be appropriately changed according to the noise removal performance. The ferrite core 10b may be formed to the same thickness. Moreover, you may use the ferrite core of a dimension different from the 1st ferrite core 10a and the 2nd ferrite core 10b.

Next, the assembly of the joint connector 1 configured as described above will be described below.
The outer housing 4, 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 that constitute the joint connector 1 are each 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 the first ferrite core 10 a is placed in each of the plurality of first ferrite accommodating chambers 21 of the first inner housing 6. To accommodate. At this time, the respective needle-like terminal portions 29 of the terminal fittings 3a and 3b pass through the through hole 11 of the first ferrite core 10a.

  Next, the second inner housing 7 is disposed on the first inner housing 6, and the respective needle-like terminal portions 29 of the terminal fittings 3 a and 3 b are inserted into the plurality of insertion holes 24 of the second inner housing 7, The second ferrite core 10 b is accommodated in each of the plurality of second ferrite accommodation chambers 36. At this time, the respective needle-like terminal portions 29 of the terminal fittings 3a and 3b pass through the through hole 11 of the second ferrite core 10b. At this time, the first inner housing 6 and the second inner housing 7 are stacked.

  Next, the first inner housing 6 and the second inner housing 7 are pushed into the inner housing accommodating chamber 38 of the outer housing 4 and fixed in the inner housing accommodating chamber 38. At this time, the holding piece 40 of the first inner housing 6 gets over the locking claw 14 of the outer housing 4 and is locked to the locking claw 14, and each of the needle-like terminal portions 29 of the terminal fittings 3 a and 3 b. Inserts the insertion hole 18 of the outer housing 4 and fixes the first inner housing 6 and the second inner housing 7 in the outer housing 4. In this way, the joint connector 1 is assembled.

  As shown in FIG. 5, the joint connector 1 assembled as described above includes a plurality of (in the illustrated example, 12) electric wires 63 and a general-purpose connector 62 (male connector) provided at the end of the electric wires 63. It is connected to the sub harness 61 provided with. At this time, since the interval between the terminals of the general-purpose connector 62 and the interval between the needle-shaped terminal portions 29 of the terminal fitting 3 of the joint connector 1 of the present invention are the same interval, the general-purpose connector 62 is connected to the joint connector 1. The terminals of both connectors 1 and 62 are electrically connected to each other by being fitted to the fitting portion 9.

  According to the present embodiment, the joint connector 1 includes a terminal fitting 3 provided with a ferrite core 10 for removing noise, and a connector housing 2 in which the terminal fitting 3 is accommodated. The bus bar 28 and a plurality of needle terminals provided so as to extend in a direction substantially orthogonal to the longitudinal direction of the bus bar 28 and spaced from each other in the longitudinal direction of the bus bar 28 29, and the connector housing 2 is provided with ferrite containing chambers 21 and 36 formed so as to be able to receive the ferrite core 10 provided in each of the plurality of needle-like terminal portions 29, and The ferrite accommodating chambers 21 and 36 are provided in a plurality of stages along each of the plurality of needle-like terminal portions 29.

  For this reason, the joint connector 1 is provided with the ferrite housing chambers 21 and 36 in which the ferrite cores 10 provided in a plurality of stages in the needle-like terminal portion 29 are accommodated in the connector housing 2 in a plurality of stages. By accommodating the ferrite core 10 in each of 21 and 36, the noise removal performance can be easily improved.

(Second embodiment)
Next, a second embodiment of the joint connector 1 according to the present invention will be described with reference to FIG. In addition, the same code | symbol is attached | subjected to the part same as embodiment mentioned above, and description is abbreviate | omitted.

  As shown in FIG. 6, the joint connector 1 includes a needle-like terminal portion 29A provided with the first ferrite core 10a, a needle-like terminal portion 29B provided with the second ferrite core 10b, and a first ferrite core 10a. Needle-like terminal portion 29C provided with the second ferrite core 10b.

  That is, the first ferrite core 10a is provided in one stage in the needle-shaped terminal portion 29A, the second ferrite core 10b is provided in one stage in the needle-shaped terminal portion 29B, and the first ferrite core 10a and the first ferrite core 10a are provided in the needle-shaped terminal portion 29C. The two ferrite cores 10b are provided in one stage, and the ferrite core 10 is provided in two stages.

  The first ferrite core 10a is formed to have a thickness D1 in which the dimension in the direction parallel to the longitudinal direction of the needle-shaped terminal portion 29 is thick. The second ferrite core 10b is formed so that the dimension in the direction parallel to the longitudinal direction of the needle-like terminal portion 29 is a thin thickness D2. Note that the thickness D1 of the first ferrite core 10a and the thickness D2 of the second ferrite core 10b may be D1 <D2.

  For this reason, the needle-shaped terminal portion 29A provided with the second ferrite core 10b exhibits mild noise removal performance, and the needle-shaped terminal portion 29B provided with the first ferrite core 10a exhibits moderate noise removal performance. The needle-shaped terminal portion 29C provided with the first ferrite core 10a and the second ferrite core 10b exhibits a strong noise removal performance. Therefore, the noise removal performance can be changed as appropriate in three combinations.

  Further, in addition to the three combinations described above, four combinations can be obtained by forming a combination in which the first ferrite core 10a and the second ferrite core 10b are not provided in the needle-shaped terminal portion 29. it can. For this reason, noise removal performance can be appropriately changed by four combinations for each of the needle-like terminal portions 29, 29A, 29B, and 29C.

  When the ferrite core 10a and the ferrite core 10b are formed to have the same thickness, the needle-shaped terminal portion 29 is not provided with the ferrite core 10a and the second ferrite core 10b, and the needle-shaped terminal portion 29 has a combination. A combination in which the first ferrite core 10a or the second ferrite core 10b is provided and a combination in which the first ferrite core 10a and the second ferrite core 10b are provided on the needle-like terminal portion 29 can be formed. For this reason, the noise removal performance can be appropriately changed in three stages for each needle-like terminal portion 29 by three combinations.

  According to the present embodiment, in the joint connector 1, the ferrite cores 10 are provided in one or two stages in each of the plurality of needle-shaped terminal portions 29 according to noise removal performance.

  For this reason, the joint connector 1 is provided with the ferrite core 10 in one or two stages in each of the plurality of needle-like terminal portions 29 according to the noise removal performance, so that each needle-like terminal portion 29 has noise removal performance. It can be changed as appropriate.

  Further, according to the present embodiment, the joint connector 1 is inserted into the connector housing 2 through the first inner housing 6 to which the bus bar 28 is fitted and fixed, and the plurality of needle-like terminal portions 29. A second inner housing 7; and an outer housing 4 that accommodates the first inner housing 6 and the second inner housing 7. The ferrite core 10 includes a first ferrite core 10a and a second ferrite core 10b. The first inner housing 6 is provided with a first ferrite containing chamber 21 formed so as to be able to contain the first ferrite core 10a, and the second inner housing 7 has the first inner A second ferrite containing chamber 36 is provided so as to be able to contain the two ferrite cores 10b.

  Therefore, the joint connector 1 fixes the terminal fitting 3 to the first inner housing 6 and can accommodate the first ferrite core 10a, and can accommodate the second ferrite core 10b in the second inner housing 7. In order to accommodate the inner housing 6 and the second inner housing 7 in the outer housing 4, the first ferrite core 10 a is accommodated in the first ferrite accommodating chamber 21 without changing the members constituting the joint connector 1. The core 10 is made one stage, the second ferrite core 10b is housed in the second ferrite housing chamber 36 to make the ferrite core 10 one stage, the first ferrite core 10a is housed in the first ferrite housing chamber 21, and the second ferrite The second ferrite core 10b is accommodated in the accommodation chamber 36 and the ferrite core 0 can be or as a two-stage. Therefore, the noise removal performance of the needle-shaped terminal portion 29 can be appropriately changed without changing the constituent members of the joint connector 1.

  In addition, according to the present embodiment, the joint connector 1 can accommodate the ferrite cores 10a and 10b formed in a plurality of dimensions in the ferrite accommodating chambers 21 and 36 in accordance with the noise removal performance, and thus the ferrite core 10a. , 10b and the combination of dimensions can be formed. For this reason, a wider noise removal performance can be exhibited than a noise removal performance formed by a combination of only the number of stages of ferrite cores formed with the same dimensions.

  Further, since the joint connector 1 has the ferrite housing chambers 21 and 36 provided in the connector housing 2 in a plurality of stages, the number of the ferrite cores 10a and 10b provided in the ferrite housing chambers 21 and 36 can be appropriately changed. . For this reason, the noise removal performance of each of the plurality of needle-like terminal portions 29 can be appropriately changed.

  Further, since the joint connector 1 can appropriately change the noise removal performance by appropriately changing the number of ferrite cores 10a and 10b provided in the ferrite accommodating chambers 21 and 36, a general-purpose ferrite core is used. it can. For this reason, it can be made cheaper than a conventional joint connector that uses a dedicated ferrite core of a variety and a small quantity for each noise removal performance.

  Further, the joint connector 1 is provided with a plurality of ferrite housing chambers 21 and 36 in the connector housing 2, and the number of ferrite cores 10a and 10b provided in the ferrite housing chambers 21 and 36 can be appropriately changed. Depending on the performance, it can be made cheaper than a conventional joint connector that requires a dedicated fixture or the like.

  Further, the joint connector 1 has the ferrite housing chambers 21 and 36 provided in a plurality of stages in the connector housing 2 so that the number of ferrite cores 10a and 10b provided in the ferrite housing chambers 21 and 36 can be changed as appropriate. Can be simplified.

  In the joint connector 1, since the ferrite accommodating chambers 21 and 36 are formed so that the ferrite cores 10 a and 10 b can be accommodated, the ferrite cores 10 a and 10 b are accommodated in the ferrite accommodating chambers 21 and 36 when noise removal performance is unnecessary. You can choose not to. For this reason, it can be used as a general-purpose joint connector that does not require noise removal performance.

  The joint connector 1 is provided with a ferrite core 10 in one or two stages according to noise removal performance, and the ferrite core 10 is formed in a plurality of dimensions according to noise removal performance. Depending on the combination of the number of stages and the dimensions of the core 10, a number of combinations of noise removal performance can be formed. Therefore, the noise removal performance can be appropriately changed to an optimum one.

  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 6 First inner housing 7 Second inner housing 10 Ferrite core 10a First ferrite core 10b Second ferrite core 21 First ferrite accommodation chamber (ferrite accommodation chamber)
28 Bus bar 29 Needle-shaped terminal portion 36 Second ferrite accommodation chamber (ferrite accommodation chamber)

Claims (4)

In a joint connector comprising a terminal fitting provided with a ferrite core for removing noise, and a connector housing in which the terminal fitting is accommodated,
The terminal fitting is provided with a bus bar and a plurality of needles provided to extend in a direction substantially orthogonal to the longitudinal direction of the bus bar and spaced from each other in the longitudinal direction of the bus bar. A terminal portion, and
The connector housing is provided with a ferrite housing chamber formed so that the ferrite core provided in each of the plurality of needle-like terminal portions can be housed, and
The joint connector, wherein the ferrite accommodating chamber is provided in a plurality of stages along each of the plurality of needle-like terminal portions.   2. The joint connector according to claim 1, wherein each of the plurality of needle-like terminal portions is provided with the ferrite core in one or two stages according to noise removal performance. The connector housing includes: a first inner housing to which the bus bar is fitted and fixed; a second inner housing that is inserted through the plurality of needle-like terminal portions; the first inner housing and the second inner housing; An outer housing for housing
The ferrite core includes a first ferrite core and a second ferrite core,
The first inner housing is provided with a first ferrite containing chamber formed to be able to contain the first ferrite core, and
3. The joint connector according to claim 1, wherein the second inner housing is provided with a second ferrite accommodating chamber formed to accommodate the second ferrite core. 4.   The joint connector according to any one of claims 1 to 3, wherein the ferrite core is formed in a plurality of dimensions according to noise removal performance.

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