connector

Abstract

To enhance a noise reduction effect while suppressing increase in size.SOLUTION: A connector includes terminal fittings 10 each having a plurality of terminal portions 12 which protrude in a first direction and are arranged side by side so as to be spaced from one another in a terminal arrangement direction orthogonal to the first direction, a ferrite core 20 for each terminal portion through which the terminal portion is inserted, a housing 30 for accommodating the terminal fittings inserted in the first direction from component assembly openings 33a and the ferrite cores, and locking members 40 that are assembled to the housing and prevent the ferrite cores from coming off from the component assembly openings. The housing has an accommodation chamber 33 which is provided for each ferrite core and accommodates and holds the ferrite core therein, and the accommodation chamber has a housing-side locking portion 33b in which an end portion on the first direction side of the ferrite core is locked. The locking member has a core locking portion 41 which is arranged to face an end portion of the ferrite core at a second direction side opposite to the first direction side at an assembly completed position, and locks the movement of the ferrite core in the second direction.SELECTED DRAWING: Figure 3

Description

[Technical field]

[0001] The present invention relates to a connector. [Background technology]

[0002] Conventionally, in a connector, a technique is known in which a terminal in a housing is inserted into a ferrite core in order to attenuate noise currents. This connector is disclosed, for example, in Patent Documents 1 and 2 listed below. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2019-067736 A [Patent Document 2] JP 2013-025914 A Summary of the Invention [Problem to be solved by the invention]

[0004] However, this type of connector requires a receiving chamber for receiving the ferrite core in the housing and a holding structure for holding the ferrite core in the housing, which may lead to an increase in size. For example, the connector described in the above Patent Document 1 includes a holding member in which a receiving chamber for receiving the ferrite core is formed, and a housing to which the holding member is assembled together with the ferrite core in the receiving chamber. This connector is fitted and connected to a mating housing having a terminal metal fitting inside, so that the terminal portion of the terminal metal fitting is inserted into the through hole of the ferrite core. In other words, this connector has two housings to be fitted and connected, which may lead to an increase in size. In addition, unless the positional accuracy of the terminal portion of the terminal metal fitting and the through hole of the ferrite core is improved, the fitting and connecting work of the two housings may be time-consuming. Also, for example, in the connector described in the above Patent Document 2, an inner housing for holding the ferrite core is accommodated in the two housings assembled to each other. Thus, in conventional connectors, if noise reduction is to be achieved using a ferrite core, it is necessary to prevent the connector from becoming large by optimizing the accommodation chamber and retention structure.

[0005] SUMMARY OF THE PRESENT EMBODIMENT An object of the present invention is to provide a connector that can enhance noise reduction effects while preventing an increase in size. [Means for solving the problem]

[0006] In order to achieve the above object, the present invention provides a terminal fitting having a base and a plurality of terminal portions protruding from the base in a first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction, a ferrite core provided for each of the terminal portions and having a through hole formed therein through which the terminal portion can be inserted in the protruding direction, a housing accommodating the terminal fitting and the ferrite core inserted in the first direction from a component assembly opening, and a locking member assembled to the housing and locking the ferrite core at the component assembly opening side to prevent the ferrite core from coming off from the component assembly opening, wherein the housing has an accommodating chamber for accommodating and holding the ferrite core, the accommodating chamber having a housing side locking portion for locking an end of the ferrite core accommodated within the chamber on the first direction side, and the locking member is disposed opposite an end of the ferrite core on a second direction side opposite to the first direction side at a position where assembly to the housing is completed, and has a core locking portion for locking movement of the ferrite core in the second direction. the housing further has a terminal accommodating chamber in which the terminal portion is accommodated and into which a mating terminal fitting to be fitted and connected to the terminal portion is inserted in the second direction from a terminal insertion port, and the locking member further has a mating terminal locking portion that is disposed opposite the locking portion of the mating terminal fitting on the first direction side at the assembly completion position and locks the movement of the mating terminal fitting in the first direction. It is characterized by the following. Further, in order to achieve the above object, the present invention provides a terminal fitting having a base and a plurality of terminal portions protruding from the base in a first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction, a ferrite core provided for each of the terminal portions and having a through hole formed therein through which the terminal portion can be inserted in the protruding direction, a housing accommodating the terminal fitting and the ferrite core inserted from a component assembly opening in the first direction, and a locking member assembled to the housing and locking the ferrite core on the component assembly opening side to prevent the ferrite core from coming off from the component assembly opening, wherein the housing has an accommodating chamber for accommodating and holding the ferrite core, the accommodating chamber having a housing side locking portion for locking an end of the ferrite core accommodated within the chamber on the first direction side, and the locking member locks the end of the ferrite core accommodated within the chamber in a direction opposite to the first direction side of the ferrite core when the ferrite core is in an assembly completion position relative to the housing, the terminal fitting has, in addition to a first terminal portion as the terminal portion, a plurality of second terminal portions protruding from the base portion in the second direction and arranged at intervals in the terminal arrangement direction, the ferrite core is also provided for each of the second terminal portions, the through hole is formed so that the first terminal portion or the second terminal portion can be inserted in the protruding direction, the accommodating chamber accommodates, in addition to the ferrite core for the first terminal portion, the ferrite core for the second terminal portion, and the locking member has, in addition to the first core locking portion as the core locking portion, a pair of second core locking portions which are arranged to face an end portion on the first direction side and an end portion on the second direction side of the ferrite core for the second terminal portion, respectively, at the assembly completion position and which lock the movement of the ferrite core for the second terminal portion in the first direction and the second direction.

[0007] In order to achieve the above object, the present invention provides a terminal fitting having a base, at least one first terminal portion protruding from the base in a first direction and at least two second terminal portions protruding from the base in a second direction opposite to the first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction, a ferrite core provided for each of the first terminal portions and each of the second terminal portions and having a through hole formed therein through which the first terminal portion or the second terminal portion can be inserted in the protruding direction, a housing in which the terminal fitting and the ferrite core are accommodated and which are inserted from a component assembly opening in the first direction, and a locking member attached to the housing and locking the ferrite core on the component assembly opening side to prevent the ferrite core from coming out of the component assembly opening, The housing has a housing chamber for each combination of the first terminal portion and the second terminal portion aligned in the first direction, in which the two ferrite cores passed through the housing are housed and held, and the housing has a housing side locking portion for locking the first direction end of the ferrite core for the first terminal portion housed within the housing, and the locking member has a first core locking portion that is arranged opposite the second direction end of the ferrite core for the first terminal portion at the assembly completion position with respect to the housing and locks the movement of the ferrite core in the second direction, and a pair of second core locking portions that are arranged opposite the first direction end and the second direction end of the ferrite core for the second terminal portion, respectively, at the assembly completion position and lock the movement of the ferrite core for the second terminal portion in the first direction and the second direction. Effect of the Invention

[0008] In the connector according to the present invention, a housing is provided with a chamber for accommodating and holding a ferrite core. In this connector, a locking member is attached to the housing, and the core locking portion of the locking member prevents the ferrite core from falling out of the chamber. Therefore, the connector according to the present invention does not require a separate part for holding the ferrite core in the housing, as in the conventional connector, and therefore not only can the number of parts be reduced, but the connector can also be made larger while improving the noise reduction effect. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a perspective view showing a connector according to an embodiment. [Diagram 2] FIG. 2 is a plan view of the connector according to the embodiment, as viewed from the component installation opening side. [Diagram 3] FIG. 3 is a cross-sectional view taken along line XX in FIG. [Figure 4] FIG. 4 is a cross-sectional view taken along line YY in FIG. 2, rotated 90 degrees. [Diagram 5] FIG. 5 is an exploded perspective view showing the connector of the embodiment. [Figure 6] FIG. 6 is a cross-sectional view taken along line XX in FIG. [Figure 7] FIG. 7 is a cross-sectional view showing the connector before the locking member is attached. [Figure 8] FIG. 8 is a partial cross-sectional view showing the connector when the locking member is in the provisionally assembled position. [Figure 9] FIG. 9 is a cross-sectional view showing the connector after the mating terminal fittings are mounted. [Figure 10] FIG. 10 is a perspective view showing the housing. [Figure 11] FIG. 11 is a perspective view of the housing as seen from a different angle. [Figure 12] FIG. 12 is a perspective view showing a modified connector. [Figure 13] FIG. 13 is a cross-sectional view taken along line XX in FIG. [Figure 14]FIG. 14 is an exploded perspective view showing a modified connector. [Figure 15] FIG. 15 is a cross-sectional view taken along line XX in FIG. [Figure 16] FIG. 16 is a cross-sectional view showing the connector before the locking member is attached. [Figure 17] FIG. 17 is a partial cross-sectional view showing the connector when the locking member is in the provisionally assembled position. [Figure 18] FIG. 18 is a cross-sectional view showing the connector after the mating terminal fittings are mounted. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a connector according to the present invention will be described in detail with reference to the drawings. However, the present invention is not limited to this embodiment.

[0011] [Embodiment] One embodiment of a connector according to the present invention will be described with reference to FIGS.

[0012] Reference numeral 1 in Figs. 1 to 9 denotes a connector of this embodiment.

[0013] The connector 1 includes a terminal fitting 10, a ferrite core 20, a housing 30, and a locking member 40 (FIGS. 2 to 9).

[0014] The connector 1 shown here is exemplified as a joint connector that electrically connects between a first device (not shown) and a second device (not shown). For example, this connector 1 is interposed between an electric wire electrically connected to a first device of a vehicle and an electric wire electrically connected to a second device of the vehicle, and electrically connects the electric wires to electrically connect the first device side and the second device side.

[0015] The terminal fitting 10 is made of a conductive material such as metal. The terminal fitting 10 has a base 11 and a plurality of terminal portions 12 that protrude from the base 11 in a first direction and are arranged at intervals in a terminal arrangement direction perpendicular to the first direction (FIGS. 3 to 9).

[0016] The base 11 is a connecting portion that connects all the terminal portions 12 of the terminal fitting 10. The base 11 shown here is formed in a rectangular flat plate shape.

[0017] The terminal portion 12 is a terminal portion that electrically connects the terminal fitting 10 to the first device side. The terminal portion 12 is physically and electrically connected to a mating terminal fitting T1 (FIGS. 3, 4, 8, and 9) attached to an end of the electric wire We1 by fitting and connecting it, and is electrically connected to the first device side via the mating terminal fitting T1 and the electric wire We1. The terminal portion 12 shown here is an axial male terminal portion whose axial direction is the protruding direction (first direction) from the base portion 11 (FIGS. 3 to 9). The protruding direction of the terminal portion 12 is the insertion direction into the mating terminal fitting T1, and the terminal portion 12 is fitted and connected to the mating terminal fitting T1 having a female terminal shape. The terminal portion 12 shown here is made to protrude in the first direction from one side of the base portion 11 on the first direction side on the same plane as the base portion 11.

[0018] In the terminal fitting 10 shown here, three terminal portions 12 are arranged at intervals in the terminal arrangement direction (FIGS. 4 and 5). The terminal portions 12 are arranged at equal intervals (equal pitch) between adjacent ones.

[0019] In the connector 1 of this embodiment, the terminal fittings 10 are arranged at intervals in a fitting arrangement direction perpendicular to the first direction and the terminal arrangement direction (FIGS. 3 and 5 to 9). That is, the connector 1 has a plurality of terminal fittings 10 arranged at intervals in the fitting arrangement direction. In the plurality of terminal fittings 10, the respective terminal portions 12 arranged at the same positions on the respective base portions 11 are arranged in the fitting arrangement direction. Thus, in the plurality of terminal fittings 10, three combinations of the plurality of terminal portions 12 arranged in the fitting arrangement direction are provided.

[0020] As described above, the mating terminal fitting T1 attached to the end of the electric wire We1 is physically and electrically connected to this terminal portion 12. In the connector 1 of this embodiment, the pair of electric wires We1 and the mating terminal fitting T1 may be connected to the terminal portion 12 one by one, or a mating connector in which a combination of the pair of electric wires We1 and the mating terminal fitting T1 is provided for each of the multiple terminal portions 12 may be fitted and connected. Here, the pair of electric wires We1 and the mating terminal fitting T1 are connected to the terminal portion 12 one by one.

[0021] For example, in order to enhance the noise reduction effect, a twisted pair electric wire (not shown) in which two electric wires are twisted together is electrically connected to the connector 1 of this embodiment. One of the two terminal parts 12 adjacent to each other in the fitting arrangement direction is electrically connected to one electric wire We1 of the twisted pair electric wire on the first device side, and the other of the two terminal parts is electrically connected to the other electric wire We1 of the twisted pair electric wire on the first device side.

[0022] The connector 1 shown here includes two terminal fittings 10. In the connector 1 shown here, the twisted pair electric wires on the first device side are electrically connected via the mating terminal fittings T1 to each combination of two terminal parts 12 arranged in the fitting arrangement direction.

[0023] The ferrite core 20 is a member formed from a magnetic material (ferrite) and is provided as a noise filter member for reducing noise. The ferrite core 20 is provided with a through hole 21 through which the terminal portion 12 can be inserted in the protruding direction in order to attenuate the noise current flowing through the terminal portion 12 (FIGS. 2 to 6). The ferrite core 20 is provided for each terminal portion 12 (FIGS. 4 and 5).

[0024] The ferrite core 20 of this embodiment is provided for each combination of multiple terminal parts 12 arranged in the metal fittings arrangement direction (FIGS. 5 to 9). In this ferrite core 20, through holes 21 are formed for each of multiple terminal fittings 10 and arranged in the metal fittings arrangement direction (FIGS. 5 and 6). One ferrite core 20 is provided for each combination of two terminal parts 12 arranged in the metal fittings arrangement direction. In other words, the connector 1 shown here has three ferrite cores 20 for the terminal parts 12.

[0025] For example, the ferrite core 20 shown here is a square-shaped molded body with a rectangular cross section perpendicular to the axial direction (first direction, second direction) of the through hole 21, and is arranged with the longitudinal direction of the rectangle aligned with the metal fitting arrangement direction. The ferrite core 20 shown here has two through holes 21 arranged with a gap between them in the metal fitting arrangement direction.

[0026] The housing 30 is molded from an insulating material such as synthetic resin. The terminal fitting 10 and the ferrite core 20 are accommodated in this housing 30 (FIGS. 3 to 9). This housing 30 has a cylindrical (here, rectangular cylindrical) main body 31 whose cylindrical axis direction is aligned with the axial direction (first direction) of the terminal portion 12, and the terminal fitting 10 and the ferrite core 20 are accommodated inside this main body 31 (FIGS. 3 to 10).

[0027] The housing 30 has an accommodating chamber (hereinafter referred to as the "terminal accommodating chamber") 32 in which the terminal portion 12 is accommodated and into which the mating terminal fitting T1 is inserted, and an accommodating chamber (hereinafter referred to as the "ferrite core accommodating chamber") 33 in which the ferrite core 20 is accommodated and held (FIGS. 3, 4, and 6 to 9). The housing 30 also has a partition wall 34 for separating the terminal accommodating chamber 32 from the ferrite core accommodating chamber 33 (FIGS. 3, 4, and 6 to 9). In the housing 30, the terminal accommodating chamber 32 is disposed on one opening side of a main body 31, and the ferrite core accommodating chamber 33 is disposed on the other opening side of the main body 31.

[0028] The terminal accommodating chamber 32 is a chamber in which the mating terminal fitting T1 is inserted in the second direction from a terminal insertion port 32a (FIGS. 3 to 9) on one opening side of the main body 31, and the terminal portion 12 inside the chamber is inserted and fitted into the mating terminal fitting T1. As described above, in the connector 1, a pair of electric wires We1 and the mating terminal fitting T1 are connected to the terminal portion 12 one by one. For this reason, the terminal accommodating chamber 32 is formed for each terminal portion 12 together with the terminal insertion port 32a for each terminal portion 12. In the housing 30, one opening of the main body 31 is closed with a wall body, and a through hole (terminal insertion port 32a) for each terminal accommodating chamber 32 is formed in the wall body. When the aforementioned mating connector is used, one opening of the main body 31 is used as the terminal insertion port, and the mating connector is inserted and fitted through the terminal insertion port.

[0029] Here, in the terminal portion 12, the ferrite core 20 is brought close to the fixed end of the root side (base 11 side), and thus this root side (base 11 side) is disposed in the ferrite core accommodating chamber 33 together with the ferrite core 20. Then, this terminal portion 12 is accommodated in the terminal accommodating chamber 32 from the ferrite core accommodating chamber 33 through the through hole 34a for each terminal portion 12 in the partition wall 34 (FIGS. 3, 4, 6 and 7). Thus, the terminal accommodating chamber 32 accommodates a portion of the terminal portion 12 excluding the root side (base 11 side) (i.e., the terminal connection portion of the terminal portion 12 to be inserted and fitted into the mating terminal fitting T1) (FIGS. 3, 4 and 7 to 9).

[0030] Next, the ferrite core accommodating chamber 33 is a chamber provided for each ferrite core 20 (FIGS. 4 and 10). In this housing 30, the multiple ferrite core accommodating chambers 33 are aligned in the terminal arrangement direction, and the bases 11 of the terminal fittings 10 are also accommodated across the multiple ferrite core accommodating chambers 33. In the housing 30 shown here, all of the ferrite core accommodating chambers 33 are aligned in the terminal arrangement direction.

[0031] The ferrite core 20 and the terminal fitting 10 are inserted in the first direction into the ferrite core accommodating chamber 33 from the other opening (hereinafter referred to as the "component assembly opening 33a") of the main body 31 (FIGS. 3, 4, and 6 to 10). Here, as described above, the base 11 of the terminal fitting 10 is accommodated across the multiple ferrite core accommodating chambers 33. For this reason, a wall (hereinafter referred to as the "first wall") 36A in the terminal arrangement direction that constitutes the ferrite core accommodating chamber 33 is formed with an insertion groove 36a into which the base 11 is inserted from the component assembly opening 33a (FIGS. 2, 3, and 6 to 10). The insertion groove 36a is a groove that extends in the first direction from the end face on the second direction side of the first wall 36A, and is formed with a groove width that allows the base 11 to be sandwiched from each plane.

[0032] The ferrite core 20 is held in the ferrite core accommodating chamber 33. Therefore, the ferrite core accommodating chamber 33 is provided with a holding portion 35 for holding the ferrite core 20 (FIGS. 2 to 4 and 10). The holding portion 35 is a protrusion that holds the peripheral wall of the ferrite core 20 from all sides, and is provided for each ferrite core accommodating chamber 33. The holding portion 35 shown here is roughly divided into a pair of first holding portions 35A that hold both flat surfaces extending in the longitudinal direction (metal fitting arrangement direction) of the ferrite core 20, and a pair of second holding portions 35B that hold both flat surfaces extending in the lateral direction (terminal arrangement direction) of the ferrite core 20 (FIGS. 2 and 10). Here, two pairs of the pair of first holding portions 35A and the pair of second holding portions 35B are provided. The first holding portion 35A and the second holding portion 35B are formed in the shape of a rib extending in the axial direction of the main body 31 (first direction, second direction).

[0033] The pair of first retaining portions 35A protrude from a first wall 36A in the terminal arrangement direction that forms the ferrite core accommodating chamber 33 toward the room side so as to face each other in the terminal arrangement direction (FIGS. 2, 3, and 10). The pair of second retaining portions 35B protrude from a wall 36B in the metal fitting arrangement direction that forms the ferrite core accommodating chamber 33 (hereinafter referred to as the "second wall") toward the room side so as to face each other in the metal fitting arrangement direction (FIGS. 2, 4, and 10).

[0034] The ferrite core accommodating chamber 33 further has a locking portion (hereinafter referred to as a "housing-side locking portion") 33b that locks an end portion of the ferrite core 20 accommodated in the chamber on the first direction side (FIGS. 3, 4, and 6 to 9). In this example, in each ferrite core accommodating chamber 33, the wall surface on the second direction side of the partition wall 34 is used as the locking portion 33b.

[0035] The locking member 40 is molded from an insulating material such as synthetic resin. The locking member 40 is assembled to the housing 30. For example, when the locking member 40 is at a position where assembly to the housing 30 is completed, the locking member 40 is fixed to the housing 30 by a locking mechanism (not shown) that includes a claw portion or the like between the locking member 40 and the housing 30.

[0036] The locking member 40 is a member for locking the ferrite core 20 on the component assembly opening 33a side when the ferrite core 20 is in the assembly completion position with respect to the housing 30, thereby preventing the ferrite core 20 from coming off from the component assembly opening 33a. For this reason, the locking member 40 has a locking portion (hereinafter referred to as a "core locking portion") 41 that is disposed opposite the end of the ferrite core 20 on the second direction side when the ferrite core 20 is in the assembly completion position with respect to the housing 30, and locks the movement of the ferrite core 20 in the second direction (FIGS. 3 to 9).

[0037] The locking member 40 is assembled to the housing 30, and the core locking portion 41 is inserted into the ferrite core accommodating chamber 33, and when the assembly to the housing 30 is completed, the core locking portion 41 is disposed opposite the end of the ferrite core 20 on the second direction side. Therefore, the housing 30 is formed with an insertion opening (hereinafter referred to as a "first insertion opening") 31a through which the core locking portion 41 is inserted into the ferrite core accommodating chamber 33 (FIGS. 3, 6 to 9, and 11). The locking member 40 illustrated in this example is assembled to the housing 30 while being inserted from one of the two second walls 36B of the main body 31. Therefore, the first insertion opening 31a is formed in one of the second walls 36B.

[0038] The locking member 40 shown here is provided with a core locking portion 41 for each ferrite core accommodating chamber 33. The core locking portion 41 shown here is formed in a rectangular flat plate shape, with one flat surface disposed to face the end of the ferrite core 20 on the second direction side at the assembly completion position. The locking member 40 shown here is assembled to the housing 30 in a state in which the terminal fitting 10 and the ferrite core 20 are accommodated in the housing 30. For this reason, the core locking portion 41 shown here is formed with a groove portion (hereinafter referred to as an "escape groove") 41a for avoiding the terminal portion 12 in the chamber during the assembly process to the housing 30 (FIGS. 3 to 9).

[0039] Here, it is preferable that the ferrite core 20 is sandwiched between the housing side locking portion 33b and the core locking portion 41 in order to prevent positional deviation in the ferrite core accommodating chamber 33, for example.

[0040] The locking member 40 shown here also locks the terminal fitting 10 on the component assembly opening 33a side when assembly to the housing 30 is complete, preventing the terminal fitting 10 from coming off from the component assembly opening 33a. Thus, the locking member 40 has a locking portion (hereinafter referred to as a "terminal locking portion") 42 that is disposed opposite the end of the base 11 of the terminal fitting 10 on the second direction side when assembly to the housing 30 is complete, and locks the movement of the terminal fitting 10 in the second direction (FIGS. 2 to 9).

[0041] The terminal locking portion 42 of the locking member 40 is also inserted into the ferrite core accommodating chamber 33 when the locking member 40 is assembled to the housing 30, and when the locking member 40 reaches a position where assembly to the housing 30 is complete, the terminal locking portion 42 is disposed opposite the end portion of the base 11 on the second direction side. Therefore, the second wall 36B of the housing 30 is also formed with an insertion opening (hereinafter referred to as a "second insertion opening") 31b through which the terminal locking portion 42 is inserted into the ferrite core accommodating chamber 33 (FIGS. 3, 6 to 9, and 11).

[0042] The locking member 40 shown here is provided with a terminal locking portion 42 for each ferrite core accommodating chamber 33. The terminal locking portion 42 shown here is formed in a rectangular flat plate shape, with one flat surface disposed to face the end portion of the base 11 on the second direction side at the assembly completion position.

[0043] Here, the base 11 may be sandwiched together with the ferrite core 20 between the housing side locking portion 33b and the terminal locking portion 42. In this case, the core locking portion 41 does not need to be provided on the locking member 40.

[0044] Furthermore, the locking member 40 shown here locks the locking portion T1a (FIG. 3) of the mating terminal fitting T1 on the terminal insertion opening 32a side at the position where assembly to the housing 30 is completed, thereby preventing the mating terminal fitting T1 from coming off from the terminal insertion opening 32a. Therefore, the locking member 40 has a locking portion (hereinafter referred to as "mating terminal locking portion") 43 that is disposed opposite the locking portion T1a of the mating terminal fitting T1 on the first direction side at the position where assembly to the housing 30 is completed, and locks the movement of the mating terminal fitting T1 in the first direction (FIGS. 3 to 9).

[0045] The locking member 40 inserts the mating terminal locking portion 43 into the terminal accommodating chamber 32 together with the assembly to the housing 30, and when the assembly to the housing 30 is completed, the mating terminal locking portion 43 is disposed opposite the locking portion T1a of the mating terminal fitting T1 on the first direction side. Therefore, the second wall 36B of the housing 30 is also formed with an insertion opening (hereinafter referred to as a "third insertion opening") 31c for inserting the mating terminal locking portion 43 into the terminal accommodating chamber 32 (FIGS. 3, 5 to 9, and 11).

[0046] Here, the mating terminal fitting T1 is inserted into the terminal accommodating chamber 32 from the terminal insertion opening 32a when the housing 30 and the locking member 40 are in a temporary assembly position before the housing 30 and the locking member 40 reach the assembly completion position. The mating terminal locking portion 43 is disposed opposite the locking portion T1a of the mating terminal fitting T1 on the first direction side when the locking member 40 is moved relative to the housing 30 from the temporary assembly position to the assembly completion position. Therefore, this mating terminal locking portion 43 is formed so as not to be present in the temporary assembly position on the insertion path of the mating terminal fitting T1 (herein referred to as one mating terminal fitting T1) disposed on the opposite side to the third insertion opening 31c in the fitting arrangement direction. The mating terminal locking portion 43 shown here is formed in a rectangular shape. In the mating terminal locking portion 43, a through hole 43a is formed for each mating terminal fitting T1 (here, referred to as the other mating terminal fitting T1) arranged on the third insertion opening 31c side in the fitting arrangement direction, through which the mating terminal fitting T1 is inserted at the temporary assembly position (FIGS. 3 to 9). By moving the locking member 40 relative to the housing 30 from the temporary assembly position to the assembly completion position, the mating terminal locking portion 43 has its tip in the moving direction opposed to the locking portions T1a of all of the one mating terminal fittings T1 in the first direction, and the peripheral wall of the through hole 43a opposed to the locking portions T1a of the other mating terminal fittings T1 in the first direction for each mating terminal fitting T1.

[0047] The locking member 40 shown here has a rectangular, flat base 45 that connects all of the core locking portions 41, all of the terminal locking portions 42, and the mating terminal locking portions 43 (FIGS. 3 to 9). A rectangular groove 31e is formed in the second wall 36B of the housing 30, into which the base 45 is fitted at the assembly completion position (FIGS. 3, 6 to 9, and 11).

[0048] In this connector 1, for example, all the terminal fittings 10 and all the ferrite cores 20 are accommodated in the housing 30 through the component assembly opening 33a, and the locking member 40 is assembled to the housing 30 up to a temporary assembly position (FIGS. 5 to 7). Then, in this connector 1, all the mating terminal fittings T1 are accommodated in the terminal accommodating chambers 32 through the terminal insertion openings 32a (FIGS. 8 and 9). Thereafter, in this connector 1, the locking member 40 is moved relative to the housing 30 from the temporary assembly position to a complete assembly position (FIGS. 1 and 3).

[0049] As a result, in this connector 1, the ferrite core 20 is capable of being locked by the core locking portion 41 on the component assembly opening 33a side of the locking member 40, and the terminal fitting 10 is capable of being locked by the terminal locking portion 42 on the component assembly opening 33a side of the locking member 40. Therefore, in this connector 1, it is possible to prevent the terminal fitting 10 and the ferrite core 20 from coming out of the component assembly opening 33a.

[0050] In addition, in this connector 1, the mating terminal fitting T1 can be locked by the mating terminal locking portion 43 on the terminal insertion opening 32a side of the locking member 40. Therefore, in this connector 1, it is possible to prevent the mating terminal fitting T1 from coming out of the terminal insertion opening 32a.

[0051] Here, in the terminal accommodating chamber 32 of the housing 30 of this embodiment, a mating terminal locking portion 38 is provided for locking the locking portion T1b of the mating terminal fitting T1 at the terminal insertion opening 32a side when the mating terminal fitting T1 is fully accommodated (FIGS. 3 and 6 to 9). The mating terminal locking portion 38 is, for example, a so-called lance that is bent while being pushed by the mating terminal fitting T1 during insertion and that is released when the accommodation of the mating terminal fitting T1 is completed to lock the locking portion T1b of the mating terminal fitting T1 at the terminal insertion opening 32a side. The mating terminal locking portion 38 is intended to prevent the mating terminal fitting T1 from slipping out of the terminal insertion opening 32a, just like the mating terminal locking portion 43 of the locking member 40. Therefore, the mating terminal locking portion 43 of the locking member 40, in combination with the mating terminal locking portion 38 of the housing 30, can provide the connector 1 with a so-called double locking function for the mating terminal fitting T1.

[0052] As described above, in the connector 1 of this embodiment, the ferrite core accommodating chamber 33 that accommodates and holds the ferrite core 20 is provided in the housing 30. In this connector 1, the locking member 40 is attached to the housing 30, and the core locking portion 41 of the locking member 40 prevents the ferrite core 20 from coming out of the ferrite core accommodating chamber 33. Therefore, the connector 1 of this embodiment does not require a separate part for holding the ferrite core 20 in the housing 30 as in the conventional connector, and therefore not only can the number of parts be reduced, but the noise reduction effect can be improved while preventing the connector from becoming large in size.

[0053] In the connector 1 of this embodiment, the locking member 40 is provided with a terminal locking portion 42, which allows the locking member 40 to have a function of preventing the terminal fitting 10 from falling out, and the locking member 40 is provided with a mating terminal locking portion 43, which allows the locking member 40 to have a function of preventing the mating terminal fitting T1 from falling out. Therefore, the connector 1 of this embodiment can reduce the number of parts and further prevent the physical size from becoming large, compared to a case in which the functions of preventing the ferrite core 20, the terminal fitting 10, and the mating terminal fitting T1 are provided in separate parts.

[0054] In the connector 1 of this embodiment, the terminal portion 12 of the terminal fitting 10 is inserted into the through hole 21 of the ferrite core 20 in advance, so that the assembled body of the terminal fitting 10 and the ferrite core 20 can be housed in the housing 30. Therefore, the connector 1 of this embodiment enables a simple assembly operation.

[0055] [Variations] Reference numeral 2 in Figs. 12 to 18 denotes a connector of this modified example.

[0056] The connector 2 of this modified example is configured by replacing the terminal fittings 10, housing 30, and locking member 40 of the connector 1 of the previously described embodiment with the terminal fittings 110, housing 130, and locking member 140 described below, and by changing the number of ferrite cores 20 accommodated.

[0057] The terminal fitting 110 of this modification has a base portion 111 that is the same as the base portion 11 of the embodiment, and a first terminal portion 112 that is the same as the terminal portion 12 of the embodiment (FIGS. 13 to 18). Furthermore, the terminal fitting 110 of this modification has a second terminal portion 113 that protrudes from the base portion 111 in a second direction (FIGS. 13 to 18). The terminal fitting 110 of this modification has at least one first terminal portion 112 and at least two second terminal portions 113 that are arranged at intervals in the terminal arrangement direction. The terminal fitting 110 shown here has a plurality of first terminal portions 112 that are arranged at intervals in the terminal arrangement direction, and a plurality of second terminal portions 113 that are arranged at intervals in the terminal arrangement direction.

[0058] The base portion 111 is a connecting portion that connects all of the first terminal portions 112 and second terminal portions 113 of the terminal fitting 110. The base portion 111 shown here is formed in a rectangular flat plate shape.

[0059] The first terminal portion 112 is physically and electrically connected to a first mating terminal fitting T1 (FIG. 13) attached to an end of the electric wire We1.

[0060] The second terminal portion 113 is a terminal portion that electrically connects the terminal fitting 110 to the second device side. The second terminal portion 113 is physically and electrically connected to the second mating terminal fitting T2 (FIG. 13) attached to the end of the electric wire We2, and is electrically connected to the second device side via the second mating terminal fitting T2 and the electric wire We2. The second terminal portion 113 shown here is an axial male terminal portion whose axial direction is the protruding direction (second direction) from the base portion 111 (FIGS. 13 to 18). The protruding direction of the second terminal portion 113 is the insertion direction into the second mating terminal fitting T2, and the second terminal portion 113 is fitted and connected to the second mating terminal fitting T2 having a female terminal shape. The second terminal portion 113 shown here is protruding in the second direction from one side of the base portion 111 on the second direction side on the same plane as the base portion 111.

[0061] In the terminal fitting 110 shown here, the first terminal portion 112 and the second terminal portion 113 are formed as male terminal portions of the same shape. The terminal fitting 110 shown here has three first terminal portions 112 and three second terminal portions 113.

[0062] In this terminal fitting 110, three (three) first terminal parts 112 are arranged at intervals between each other in the terminal arrangement direction, and three (three) second terminal parts 113 are arranged at intervals between each other in the terminal arrangement direction (FIG. 14). Adjacent first terminal parts 112 are arranged at equal intervals (equal pitch). Adjacent second terminal parts 113 are arranged at the same intervals (pitch) as the first terminal parts 112. In this terminal fitting 110, one (one) first terminal part 112 and one (one) second terminal part 113 are paired, and the paired first terminal part 112 and second terminal part 113 are arranged in the first direction (second direction). In other words, the paired first terminal part 112 and second terminal part 113 are arranged coaxially.

[0063] In the connector 2 of this modified example, a plurality of these terminal fittings 110 are arranged at intervals in the fitting arrangement direction (FIGS. 13 to 18). In the plurality of terminal fittings 110, the respective first terminal portions 112 arranged at the same position on the respective base portions 111 are arranged in the fitting arrangement direction, and the respective second terminal portions 113 arranged at the same position on the respective base portions 111 are arranged in the fitting arrangement direction. Thus, in the plurality of terminal fittings 110, three combinations of the plurality of first terminal portions 112 arranged in the fitting arrangement direction are provided, and three combinations of the plurality of second terminal portions 113 arranged in the fitting arrangement direction are provided.

[0064] In the connector 2 of this modification, a pair of electric wires We1 and a first mating terminal fitting T1 are also connected to each of the first terminal portions 112. Meanwhile, a mating connector Con (FIGS. 12 and 13) in which a combination of a pair of electric wires We2 and a second mating terminal fitting T2 is provided for each of the second terminal portions 113 is fitted and connected to the second terminal portions 113.

[0065] In the connector 2 of this modification, one of two first terminals 112 adjacent in the metal fitting arrangement direction is electrically connected to one electric wire We1 of the twisted pair electric wire on the first device side, and the other of them is electrically connected to the other electric wire We1 of the twisted pair electric wire on the first device side. Then, one of two second terminals 113 adjacent in the metal fitting arrangement direction is electrically connected to one electric wire We2 of the twisted pair electric wire on the second device side, and the other of them is electrically connected to the other electric wire We2 of the twisted pair electric wire on the second device side.

[0066] The connector 2 shown here includes two terminal fittings 110. In the connector 2 shown here, the twisted pair electric wires on the first device side are electrically connected via the first mating terminal fitting T1 for each combination of two first terminal portions 112 aligned in the fitting arrangement direction, and the twisted pair electric wires on the second device side are electrically connected via the second mating terminal fitting T2 for each combination of two second terminal portions 113 aligned in the fitting arrangement direction.

[0067] The ferrite core 20 is provided for each of the first terminal portions 112 and the second terminal portions 113 (FIGS. 13 to 18). The ferrite core 20 is formed so that the first terminal portion 112 or the second terminal portion 113 can be inserted therethrough in the protruding direction.

[0068] The ferrite core 20 of this modification is provided for each combination of a plurality of first terminals 112 arranged in the metal fitting arrangement direction and for each combination of a plurality of second terminals 113 arranged in the metal fitting arrangement direction (FIGS. 13 to 18). The ferrite core 20 shown here is provided for each combination of two first terminals 112 arranged in the metal fitting arrangement direction, and is provided for each combination of two second terminals 113 arranged in the metal fitting arrangement direction. In other words, the connector 2 shown here includes three ferrite cores 20 for the first terminals 112 and three ferrite cores 20 for the second terminals 113. In the connector 2 of this modification, the first terminals 112 and the second terminals 113 are formed in the same shape, so the ferrite cores 20 of the embodiment are used as they are.

[0069] The housing 130 is molded from an insulating material such as synthetic resin. In the connector 2 of this modified example, the terminal fitting 110 and the ferrite core 20 are also accommodated in the housing 130 (FIGS. 13 to 18). However, in addition to the terminal fitting 110 and the ferrite core 20 for the first terminal portion 112 (hereinafter referred to as the "first ferrite core 20A"), the housing 130 of this modified example also accommodates a ferrite core 20 for the second terminal portion 113 (hereinafter referred to as the "second ferrite core 20B").

[0070] The housing 130 has a cylindrical (here, rectangular cylindrical) main body 131 whose cylindrical axis direction is aligned with the axial directions (first direction, second direction) of the first terminal portion 112 and the second terminal portion 113, and the terminal fitting 10 and the ferrite core 20 (first ferrite core 20A, second ferrite core 20B) are accommodated inside the main body 131 (FIGS. 13 to 18). The housing 130 also has a first terminal accommodating chamber 132 for the first terminal portion 112, which is the same as the terminal accommodating chamber 32 of the embodiment, and an accommodating chamber (ferrite core accommodating chamber) 133 in which the first ferrite core 20A and the second ferrite core 20B are accommodated and held (FIGS. 13 and 15 to 18). In this housing 130, a first terminal accommodating chamber 132 is disposed on one opening side of a main body 131, and a ferrite core accommodating chamber 133 is disposed on the other opening side of the main body 131, and the space therebetween is partitioned by a partition wall 134 having a through hole 134a similar to the partition wall 34 of the embodiment (FIGS. 13 and 15 to 18). In this housing 130, like the housing 30 of the embodiment, a first terminal insertion opening 132a for inserting the first mating terminal fitting T1 into the first terminal accommodating chamber 132 is formed for each first terminal accommodating chamber 132 (FIGS. 14 and 16 to 17).

[0071] Here, the ferrite core accommodating chamber 133 of this modification is provided for each combination of the first terminal portion 112 and the second terminal portion 113 that are paired on the same axis, and accommodates the pair of the first terminal portion 112 and the second terminal portion 113. Thus, the ferrite core accommodating chamber 133 accommodates and holds two ferrite cores 20 (the first ferrite core 20A and the second ferrite core 20B) in which the first terminal portion 112 and the second terminal portion 113 aligned in the first direction are inserted. In the housing 130, a plurality of ferrite core accommodating chambers 133 are aligned in the terminal arrangement direction, and the base portion 111 of the terminal fitting 110 is also accommodated across the plurality of ferrite core accommodating chambers 133. In the housing 130 shown here, all the ferrite core accommodating chambers 133 are aligned in the terminal arrangement direction.

[0072] The ferrite core 20 and the terminal fitting 110 are inserted in the first direction into this ferrite core accommodating chamber 133 from the other opening (hereinafter referred to as the "component installation opening 133a") of the main body 131 (FIGS. 13 and 16 to 18). As described above, in this modified example, the base 111 of the terminal fitting 110 is accommodated across the multiple ferrite core accommodating chambers 133. For this reason, a fitting groove 136a into which the base 111 fits is formed in a wall (hereinafter referred to as the "first wall") 136A in the terminal arrangement direction that constitutes the ferrite core accommodating chamber 133 (FIG. 15). This fitting groove 136a is the same as the fitting groove 36a in the embodiment.

[0073] The first ferrite core 20A and the second ferrite core 20B are held in the ferrite core accommodating chamber 133. Therefore, the ferrite core accommodating chamber 133 is provided with a holding portion 135 for holding the first ferrite core 20A and the second ferrite core 20B (FIG. 15). This holding portion 135 is the same as the holding portion 35 in the embodiment, and is provided with two pairs of first holding portions 135A on the first wall 136A side and two pairs of second holding portions 135B on the second wall 136B side. However, the holding portions 135 (first holding portion 135A, second holding portion 135B) in this modification are extended to the accommodating position of the second ferrite core 20B.

[0074] The ferrite core accommodating chamber 133 further has a housing side locking portion 133b that is the same as the housing side locking portion 33b of the embodiment (FIGS. 13 and 15 to 18). In this modification, the housing side locking portion 133b utilizes the wall surface of the partition wall 134 on the second direction side.

[0075] Furthermore, the housing 130 of this modification has a second terminal accommodating chamber 137 in which the second terminal portion 113 is accommodated and into which the second mating terminal fitting T2 is inserted (FIGS. 13 and 15 to 18). In this housing 130, the second terminal accommodating chamber 137 is disposed closer to the other opening side of the main body 131 than the ferrite core accommodating chamber 133. Here, the ferrite core accommodating chambers 133 and the second terminal accommodating chambers 137 are disposed next to each other in a communicating state.

[0076] The second terminal accommodating chamber 137 is a chamber in which the second terminal portion 113 in the chamber is inserted and fitted into the second mating terminal fitting T2 by inserting the second mating terminal fitting T2 in the first direction from the second terminal insertion port on the other opening side of the main body 131. The second terminal accommodating chamber 137 may be a chamber formed for each second terminal portion 113 together with a second terminal insertion port for each second terminal portion 113, or may be a chamber in which a plurality of second terminal portions 113 are accommodated together. The second terminal accommodating chamber 137 shown here is the latter chamber, and the second terminal portion 113 in the chamber is inserted and fitted into the plurality of second mating terminal fittings T2 of the mating connector Con by inserting and fitting the mating connector Con from the second terminal insertion port. Here, the other opening (component assembly port 133a) of the main body 131 is used as the second terminal insertion port when inserting the mating connector Con into the second terminal accommodating chamber 137.

[0077] Here, in the second terminal portion 113, the second ferrite core 20B is brought close to the fixed end of the root side (base 111 side), and therefore this root side (base 111 side) is disposed together with the second ferrite core 20B in the ferrite core accommodating chamber 133. Therefore, the second terminal accommodating chamber 137 accommodates a portion of the second terminal portion 113 excluding the root side (base 111 side) (i.e., the terminal connection portion of the second terminal portion 113 to be inserted and fitted into the second mating terminal fitting T2) (FIGS. 13 and 15 to 18).

[0078] The locking member 140 is molded from an insulating material such as synthetic resin. When the locking member 140 is at the completed assembly position to the housing 130, it is fixed to the housing 130 by a lock mechanism similar to that of the embodiment. The locking member 140 is the same locking portion as the core locking portion 41 of the embodiment, and has a first core locking portion 141 for each ferrite core accommodating chamber 133, which is disposed opposite the end of the first ferrite core 20A on the second direction side at the completed assembly position to the housing 130 and locks the movement of the first ferrite core 20A in the second direction (FIGS. 13 to 18). For this reason, the housing 130 is formed with a first insertion opening 131a for inserting the first core locking portion 141 into the ferrite core accommodating chamber 133 (FIGS. 13 and 15 to 18). The first core locking portion 141 is formed with a groove portion (hereinafter referred to as an "escape groove") 141a for avoiding the first terminal portion 112 inside the chamber during the process of assembling the first core locking portion 141 into the housing 130 (FIGS. 13 to 18).

[0079] The locking member 140 is the same locking portion as the terminal locking portion 42 of the embodiment, and has a terminal locking portion 142 for each ferrite core accommodating chamber 133, which is disposed opposite to the end portion of the base portion 111 of the terminal fitting 110 on the second direction side at the position where the terminal fitting 110 is completely assembled to the housing 30 and locks the movement of the terminal fitting 110 in the second direction (FIGS. 13 to 18). For this reason, the housing 130 is formed with a second insertion opening 131b for inserting the terminal locking portion 142 into the ferrite core accommodating chamber 133 (FIGS. 13 and 15 to 18). The terminal locking portion 142 of this modification is formed with a groove portion (hereinafter referred to as a "relief groove") 142a for avoiding the second terminal portion 113 in the chamber during the assembly to the housing 130 (FIGS. 13 to 18).

[0080] The locking member 140 is the same locking portion as the mating terminal locking portion 43 of the embodiment, and has a mating terminal locking portion 143 for each ferrite core accommodating chamber 133, which is disposed opposite the locking portion T1a of the mating terminal fitting T1 on the first direction side at the position where the mating terminal fitting T1 is completely assembled to the housing 130 and locks the movement of the mating terminal fitting T1 in the first direction (FIGS. 13 to 18). For this reason, the housing 130 is formed with a third insertion opening 131c for inserting the mating terminal locking portion 143 into the first terminal accommodating chamber 132 (FIGS. 13 and 15 to 18). The mating terminal locking portion 143 has a through hole 143a formed therein, similar to the mating terminal locking portion 43 of the embodiment (FIGS. 13 to 18).

[0081] Furthermore, the locking member 140 of this modification has a pair of second core locking portions 144 that are disposed opposite the end portion on the first direction side and the end portion on the second direction side of the second ferrite core 20B, respectively, at the position where assembly to the housing 130 is completed, and lock the movement of the second ferrite core 20B in the first direction and the second direction (FIGS. 13 to 18). That is, the locking member 140 has a pair of second core locking portions 144 that lock the movement of the second ferrite core 20B in the first direction and the second direction by sandwiching the second ferrite core 20B from the first direction side and the second direction side at the position where assembly to the housing 130 is completed.

[0082] The locking member 140 also inserts the pair of second core locking portions 144 into the ferrite core accommodating chamber 133 when assembled to the housing 130, and when the assembly is completed relative to the housing 130, the pair of second core locking portions 144 are disposed opposite the end portion on the first direction side and the end portion on the second direction side of the second ferrite core 20B, respectively. Therefore, the second wall 136B of the housing 30 has an insertion opening (fourth insertion opening) 131d for inserting the pair of second core locking portions 144 into the ferrite core accommodating chamber 133 formed therein for each of the second core locking portions 144 (FIGS. 13 and 15 to 18).

[0083] The locking member 140 shown here is provided with a pair of second core locking portions 144 for each ferrite core accommodating chamber 133. The second core locking portion 144 on the first direction side shown here is formed in a rectangular flat plate shape, and the flat surface on the second direction side is disposed opposite the end of the second ferrite core 20B on the first direction side when the assembly is completed. The second core locking portion 144 on the second direction side shown here is formed in a rectangular flat plate shape, and the flat surface on the first direction side is disposed opposite the end of the second ferrite core 20B on the second direction side when the assembly is completed.

[0084] Similarly to the locking member 40 of the embodiment, the locking member 140 shown here is assembled to the housing 130 in a state in which the terminal fitting 110 and the ferrite core 20 are accommodated in the housing 130. For this reason, the second core locking portion 144 shown here has a groove portion (hereinafter referred to as an escape groove) 144a formed therein to avoid the second terminal portion 113 inside the chamber during the assembly process to the housing 130 (FIGS. 13 to 18).

[0085] The locking member 140 shown here, like the locking member 40 of the embodiment, has a rectangular flat base 145 that connects all of the first core locking portions 141, all of the terminal locking portions 142, the mating terminal locking portions 143, and all of the second core locking portions 144 (FIGS. 13 to 18). A rectangular groove 131e is formed in the second wall 136B of the housing 130, into which the base 145 is fitted at the assembly completion position (FIGS. 13 and 15 to 18).

[0086] Here, of the pair of second core locking portions 144 of the locking member 140 of this modified example, the one on the first direction side of the second ferrite core 20B (i.e., the one positioned opposite the end of the second ferrite core 20B on the first direction side) is shared as a terminal locking portion 142 (Figures 14 to 16).

[0087] In this connector 2, for example, all the terminal fittings 110 and all the ferrite cores 20 are accommodated in the housing 130 through the component assembly opening 133a, and the locking member 140 is assembled to the housing 130 up to the temporary assembly position (FIGS. 14 to 17). Then, in this connector 2, all the mating terminal fittings T1 are accommodated in the first terminal accommodating chambers 132 through the terminal insertion openings 132a (FIG. 18). Thereafter, in this connector 2, the locking member 140 is moved relative to the housing 130 from the temporary assembly position to the assembly completion position (FIGS. 12 and 13).

[0088] As a result, in the connector 2, the first ferrite core 20A is capable of being locked by the first core locking portion 141 on the component assembly opening 133a side of the locking member 140. Furthermore, in the connector 2, the terminal metal fitting 110 is capable of being locked by the terminal locking portion 142 on the component assembly opening 133a side of the locking member 140. Furthermore, in the connector 2, the second ferrite core 20B is capable of being locked on the first direction side and the second direction side (the component assembly opening 133a side) by the pair of second core locking portions 144 of the locking member 140. Therefore, in the connector 2, it is possible to prevent the terminal metal fitting 110 and the ferrite core 20 (the first ferrite core 20A, the second ferrite core 20B) from coming off the component assembly opening 133a, and also possible to prevent the second ferrite core 20B from being displaced in the first direction.

[0089] In addition, in this connector 2, the mating terminal fitting T1 can be locked by the mating terminal locking portion 143 on the terminal insertion opening 132a side of the locking member 140. Therefore, in this connector 2, the mating terminal fitting T1 can be prevented from coming out of the terminal insertion opening 132a.

[0090] Here, also in this modification, the first terminal accommodating chamber 132 of the housing 130 is provided with a mating terminal locking portion 138 that is the same as the mating terminal locking portion 38 of the embodiment (FIGS. 13 and 15 to 18). Therefore, the mating terminal locking portion 143 of the locking member 140, in combination with the mating terminal locking portion 138 of the housing 130, can provide the connector 2 with a so-called double locking function for the mating terminal fitting T1.

[0091] As described above, in the connector 2 of this modification, the housing 130 is provided with the ferrite core accommodating chamber 133 that accommodates and holds the ferrite core 20 (first ferrite core 20A, second ferrite core 20B). In this connector 2, the locking member 140 is attached to the housing 130, and the first core locking portion 141 and the second core locking portion 144 of the locking member 140 prevent the ferrite core 20 (first ferrite core 20A, second ferrite core 20B) from coming out of the ferrite core accommodating chamber 133. Therefore, the connector 2 of this modification does not require a separate part for holding the ferrite core 20 (first ferrite core 20A, second ferrite core 20B) in the housing 130 as in the conventional connector, and therefore not only can the number of parts be reduced, but the noise reduction effect can be improved while suppressing an increase in size.

[0092] In the connector 2 of this modification, the locking member 140 is provided with a terminal locking portion 142, which allows the locking member 140 to have a function of preventing the terminal fitting 110 from falling out, and the locking member 140 is provided with a mating terminal locking portion 143, which allows the locking member 140 to have a function of preventing the mating terminal fitting T1 from falling out. Therefore, the connector 2 of this modification can reduce the number of parts and further prevent the physical size from becoming large, compared to a case in which the functions of preventing the ferrite core 20 (first ferrite core 20A, second ferrite core 20B), the terminal fitting 110, and the mating terminal fitting T1 are provided in individual parts.

[0093] In the connector 2 of this modification, the first terminal portion 112 of the terminal fitting 110 is inserted in advance into the through hole 21 of the first ferrite core 20A and the second terminal portion 113 of the terminal fitting 110 is inserted in advance into the through hole 21 of the second ferrite core 20B, so that the assembled body of the terminal fitting 110 and the ferrite core 20 can be housed in the housing 130. Therefore, the connector 2 of this modification enables a simple assembly operation. [Explanation of symbols]

[0094] 1,2 Connector 10,110 Terminal fittings 11,111 base 12 Terminal section 20 Ferrite core 20A 1st ferrite core 20B 2nd ferrite core 21 Through hole 30,130 Housing 32,132 Terminal compartment 32a, 132a Terminal insertion port 33,133 Ferrite Core Containment Room (Containment Room) 33a, 133a Parts installation port 33b, 133b Housing side locking portion 40,140 Locking member 41,141 Core locking part 42,142 Terminal locking part 43,143 Counterpart terminal locking part 112 1st terminal section (terminal section) 113 2nd terminal section 141 First core locking portion (core locking portion) 144 Second core locking part 132 First terminal receiving chamber (terminal receiving chamber) T1 1st mating terminal metal fitting (Matching terminal metal fitting) T1a Locking part

Claims

1. a terminal fitting including a base and a plurality of terminal portions protruding from the base in a first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction; a ferrite core provided for each of the terminal portions, the ferrite core having a through hole through which the terminal portion can be inserted in a protruding direction; a housing that accommodates the terminal metal fitting and the ferrite core inserted in the first direction from a component installation opening; a locking member that is attached to the housing and locks the ferrite core at the component assembly opening to prevent the ferrite core from coming out of the component assembly opening; Equipped with the housing has an accommodation chamber for each of the ferrite cores in which the ferrite cores are accommodated and held, the accommodation chamber has a housing side locking portion to which an end portion of the ferrite core accommodated in the accommodation chamber on the first direction side is locked, the locking member has a core locking portion disposed to face an end portion of the ferrite core on a second direction side opposite to the first direction side at an assembly completion position with respect to the housing, and locks the ferrite core against movement in the second direction, the housing further includes a terminal accommodating chamber in which the terminal portion is accommodated and into which a mating terminal fitting to be fitted and connected to the terminal portion is inserted from a terminal insertion port in the second direction, a mating terminal locking portion that is positioned opposite the locking portion of the mating terminal fitting on the first direction side at the completion of assembly position and that locks the movement of the mating terminal fitting in the first direction.

2. The terminal fitting has, in addition to a first terminal portion as the terminal portion, a plurality of second terminal portions protruding from the base portion in the second direction and arranged at intervals in the terminal arrangement direction, The ferrite core is also provided for each of the second terminal portions, the through hole is formed so that the first terminal portion or the second terminal portion can be inserted in a protruding direction thereof, The accommodation chamber accommodates the ferrite core for the second terminal portion in addition to the ferrite core for the first terminal portion, 2. The connector according to claim 1, characterized in that, in addition to a first core locking portion as the core locking portion, the locking member has a pair of second core locking portions that are arranged opposite the end portion on the first direction side and the end portion on the second direction side of the ferrite core for the second terminal portion at the completed assembly position, and lock the movement of the ferrite core for the second terminal portion in the first direction and the second direction.

3. A terminal fitting having a base and a plurality of terminal portions protruding from the base in a first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction; a ferrite core provided for each of the terminal portions, the ferrite core having a through hole through which the terminal portion can be inserted in a protruding direction; a housing that accommodates the terminal metal fitting and the ferrite core inserted in the first direction from a component installation opening; a locking member that is attached to the housing and locks the ferrite core at the component assembly opening to prevent the ferrite core from coming out of the component assembly opening; Equipped with the housing has an accommodation chamber for each of the ferrite cores in which the ferrite cores are accommodated and held, the accommodation chamber has a housing side locking portion to which an end portion of the ferrite core accommodated in the accommodation chamber on the first direction side is locked, the locking member has a core locking portion disposed to face an end portion of the ferrite core on a second direction side opposite to the first direction side at an assembly completion position with respect to the housing, and locks the ferrite core against movement in the second direction, The terminal fitting has, in addition to a first terminal portion as the terminal portion, a plurality of second terminal portions that protrude from the base portion in the second direction and are arranged at intervals in the terminal arrangement direction, The ferrite core is also provided for each of the second terminal portions, the through hole is formed so that the first terminal portion or the second terminal portion can be inserted in a protruding direction thereof, The accommodation chamber accommodates the ferrite core for the second terminal portion in addition to the ferrite core for the first terminal portion, The connector is characterized in that, in addition to a first core locking portion as the core locking portion, the locking member has a pair of second core locking portions that are arranged opposite the end portion on the first direction side and the end portion on the second direction side of the ferrite core for the second terminal portion at the completed assembly position, and lock the movement of the ferrite core for the second terminal portion in the first direction and the second direction.

4. A connector as described in claim 1, 2 or 3, characterized in that the ferrite core is clamped between the housing side locking portion and the core locking portion.

5. A connector described in any one of claims 1 to 4, characterized in that the locking member has a terminal locking portion that is positioned opposite the end portion of the base of the terminal fitting on the second direction side at the completed assembly position and locks the movement of the terminal fitting in the second direction.

6. a terminal fitting including a base, at least one first terminal portion protruding from the base in a first direction, and at least two second terminal portions protruding from the base in a second direction opposite to the first direction and arranged at intervals in a terminal arrangement direction perpendicular to the first direction; a ferrite core provided for each of the first terminal portions and each of the second terminal portions, the ferrite core having a through hole through which the first terminal portion or the second terminal portion can be inserted in a protruding direction; a housing that accommodates the terminal metal fitting and the ferrite core inserted in the first direction from a component installation opening; a locking member that is attached to the housing and locks the ferrite core at the component assembly opening to prevent the ferrite core from coming out of the component assembly opening; Equipped with the housing has an accommodation chamber for accommodating and holding two of the ferrite cores, the two ferrite cores being inserted through the first terminal portion and the second terminal portion that are arranged in the first direction, for each combination of the first terminal portion and the second terminal portion that are arranged in the first direction; the accommodating chamber has a housing side locking portion to which an end portion of the ferrite core for the first terminal portion accommodated in the chamber is locked on the first direction side, a first core locking portion that is positioned opposite the end of the ferrite core for the first terminal portion on the second direction side at the completion of assembly to the housing, and locks the movement of the ferrite core in the second direction, and a pair of second core locking portions that are positioned opposite the end of the ferrite core for the second terminal portion on the first direction side and the end of the ferrite core for the second terminal portion on the first direction side and the second direction side, respectively, at the completion of assembly to the housing, and locks the movement of the ferrite core for the second terminal portion in the first direction and the second direction.

7. a plurality of the terminal fittings arranged at intervals in a fitting arrangement direction perpendicular to the first direction and the terminal arrangement direction; A connector as described in any one of claims 1 to 5, characterized in that the ferrite core is provided for each combination of multiple terminal portions arranged in the metal fitting arrangement direction, and the through holes are formed in a row in the metal fitting arrangement direction for each of multiple terminal fittings.

8. A terminal fitting is provided with a plurality of terminal fittings arranged at intervals in a fitting arrangement direction perpendicular to the first direction and the terminal arrangement direction, The connector described in claim 6, characterized in that the ferrite core is provided for each combination of a plurality of the first terminal portions arranged in the metal fitting arrangement direction and for each combination of a plurality of the second terminal portions arranged in the metal fitting arrangement direction, and the through holes are formed in a row in the metal fitting arrangement direction for each of the terminal fittings.

Images