Connector structure

Abstract

To provide a connector structure which can easily improve transmission characteristics in a shield connector using a twisted pair wire.SOLUTION: A connector structure comprises: a shield wire 10; an inner sleeve 6 which is disposed over an outer peripheral side of a braid 13 exposed from an end of a sheath 14; an inner terminal 15 which is electrically connected to a core wire of a twisted pair wire; an inner housing 4 in which the inner terminal 15 is housed; a matching component 5 where a pair of hollow housing parts 52, 52 for each housing, in a predetermined arrangement form, an end of the twisted pair wire 11 to which the inner terminal 15 is connected are provided in a wire radial direction of the twisted pair wire 11 in an elastically deformable manner; and an outer terminal 21 which extends from a shield body 22 covering an outer periphery of the inner housing 4, and which has a crimping part 23 caulked along an outer peripheral shape of the inner sleeve 6 so as to be electrically connected to a folded portion 13a of the braid 13 that is folded back and disposed over an outer peripheral side of the inner sleeve 6.SELECTED DRAWING: Figure 8

Description

[Technical Field]

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

[0002] In recent years, twisted pair cables (twisted pair electric wires) have been suitably used in in-vehicle networks and the like as cables that are less susceptible to noise than simple parallel wires and have less noise radiation. The shielded connector that is connected to the end of this twisted pair cable includes an inner terminal connected to the end of the two twisted wires of the STP (Shielded Twisted Pair) cable, an inner housing that accommodates the inner terminal, and an outer terminal that encloses the inner housing.

[0003] As a connector structure that improves the transmission characteristics of such a shielded connector, for example, the connector structure disclosed in Patent Document 1 is known. This connector structure includes a connector and a cable connected to the connector, the connector and the cable having at least one conductor pair (twisted pair wire) having a first conductor and a second conductor, and a first portion of the cable, a second portion on the connector side, and an intermediate portion formed between the first and second portions.

[0004] The conductor pair is surrounded by an outer conductor (outer terminal) in the first portion, second portion, and intermediate portion, and the outer conductor has a deformation in a portion of the intermediate portion surrounding the conductor pair, the deformation reducing at least one of the distance between the outer conductor and the conductors or the distance between the conductors in the deformed region. Thus, by modifying the outer conductor to change the distance between the outer conductor and the conductor, or the distance between the conductors of a conductor pair, the connector structure can be improved for different characteristics. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Publication No. 2019-164997 Summary of the Invention [Problem to be solved by the invention]

[0006] However, in the conventional connector structure described above, deformation is caused by applying an external force or the like to the outer conductor in the middle section, thereby reducing the distance between the conductors of the conductor pair, but there are problems in that it is difficult to adjust the amount of deformation in the outer conductor and equipment is required to cause the deformation.

[0007] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a connector structure that can easily improve the transmission characteristics of a shielded connector that uses twisted pair electric wires. [Means for solving the problem]

[0008] The above object of the present invention can be achieved by the following configuration. a cable in which a braid surrounding a twisted pair electric wire is covered with a sheath; an inner sleeve that covers the outer peripheral side of the braid exposed from the end of the sheath; a pair of inner terminals electrically connected to the core wires of the twisted pair electric wires exposed from the end of the sheath; an inner housing in which the inner terminals are accommodated in a pair of inner terminal accommodating portions; a matching component including a pair of hollow accommodating portions that accommodate the respective ends of the twisted pair electric wires connected to the inner terminals in a predetermined arrangement, the hollow accommodating portions being configured to be elastically deformable in the wire diameter direction of the twisted pair electric wires; an outer terminal including a shield body covering an outer periphery of the inner housing, and a crimping portion extending from the shield body and crimped onto the outer periphery of the inner sleeve so as to be electrically connected to an end of the braid folded back onto the outer periphery of the inner sleeve; A connector structure comprising: [Effects of the Invention]

[0009] According to the connector structure of the present invention, it is possible to easily improve the transmission characteristics of a shielded connector using twisted pair electric wires.

[0010] The present invention has been briefly described above. The details of the present invention will become clearer by reading the following detailed description of the invention (hereinafter referred to as "embodiments") with reference to the accompanying drawings. [Brief explanation of the drawings]

[0011] [Figure 1] FIG. 1 is a perspective view of a shielded connector showing a state before an inner module having a connector structure according to a first embodiment of the present invention is accommodated in an outer housing. [Figure 2] FIG. 2 is an exploded perspective view of the inner module shown in FIG. [Figure 3] FIG. 3 is an enlarged perspective view of the alignment component shown in FIG. [Figure 4] FIG. 4 is an enlarged perspective view of the alignment component shown in FIG. 3 as seen from the rear. [Figure 5] 5 is a cross-sectional view taken along the line VV in FIG. [Figure 6] 6 is a cross-sectional view taken along the line VI-VI in FIG. [Figure 7] FIG. 7 is an explanatory diagram illustrating the procedure for connecting an inner module to the end of a cable, showing the state in which a portion of the sheath at the end of the cable has been cut away and an inner sleeve has been placed over the outer periphery of the exposed braid. [Figure 8] FIG. 8 is an explanatory diagram illustrating the procedure for connecting an inner module to the end of a cable, showing the state in which the inner terminal is electrically connected to the core wire of the twisted pair electric wire exposed from the end of the sheath. [Figure 9]FIG. 9 is an explanatory diagram for explaining the procedure for connecting the inner module to the end of the cable, showing the state in which the inner terminal is inserted into the matching part. [Figure 10] FIG. 10 is a cross-sectional view taken along the line XX in FIG. [Figure 11] FIG. 11 is an explanatory diagram illustrating the procedure for connecting the inner module to the end of the cable, showing the state in which the inner terminal inserted into the matching part is accommodated in the inner terminal accommodating portion of the inner housing. [Figure 12] FIG. 12 is a cross-sectional view taken along the line XII-XII in FIG. [Figure 13] 13 is a cross-sectional view taken along the line XIII-XIII in FIG. [Figure 14] Figure 14 is an explanatory diagram illustrating the procedure for connecting an inner module equipped with a connector structure according to the second embodiment of the present invention to the end of a cable, and shows the state in which the inner terminal inserted into the matching part is accommodated in the inner terminal accommodating portion of the inner housing. [Figure 15] 15 is a vertical cross-sectional view showing a state in which an outer terminal is crimped onto an end of a cable in the inner module shown in FIG. [Figure 16] 16 is a cross-sectional view taken along the line XVI-XVI in FIG. [Figure 17] FIG. 17 is a cross-sectional view taken along the line XVII-XVII in FIG. [Figure 18] FIGS. 18(a) and 18(b) are plan views showing modified examples of the matching component. [Figure 19] FIG. 19 is an exploded perspective view of an inner module including a connector structure according to a third embodiment of the present invention. [Figure 20] FIG. 20 is a cross-sectional view taken along the line XX-XX of FIG. 19, showing the inner module connected to the end of the cable. [Figure 21] FIG. 21 is a cross-sectional view taken along the line XXI-XXI in FIG. [Figure 22]FIG. 22 is an exploded perspective view of an inner module including a connector structure according to a fourth embodiment of the present invention. [Figure 23] FIG. 23 is an enlarged perspective view of the alignment component shown in FIG. [Figure 24] FIG. 24 is a cross-sectional view taken along the line XXIV-XXIV of FIG. 22, showing the inner module connected to the end of the cable. [Figure 25] FIG. 25 is a cross-sectional view taken along the line XXV-XXV in FIG. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. (First embodiment) Fig. 1 is a perspective view of a shielded connector 1 showing a state before an inner module 2 having a connector structure according to a first embodiment of the present invention is accommodated in an outer housing 3. Fig. 2 is an exploded perspective view of the inner module 2 shown in Fig. 1.

[0013] As shown in FIG. 1, a shielded connector 1 having a connector structure according to the first embodiment is for high-speed transmission and includes an inner module 2 connected to the end of a shielded wire 10, which is an STP (Shielded Twisted Pair) cable in which a braid 13 surrounding a twisted pair wire 11 is covered with a sheath 14, and an outer housing 3 in which the inner module 2 is housed.

[0014] The outer housing 3 is made of insulating resin and has a box shape, and has a module accommodating section 31 that accommodates the inner module 2. In addition, a lock arm 33 is provided on the top surface 32 of the outer housing 3 to maintain the mated state when mated with a mating connector (not shown).

[0015] As shown in FIGS. 1 and 2, the inner module 2 includes a shielded wire 10, an inner terminal 15, an inner housing 4, a matching component 5, an inner sleeve 6, and an outer terminal 21.

[0016] The shielded electric wire 10 includes a twisted pair electric wire 11 in which two electric wires are twisted together, a braid 13 that covers the twisted pair electric wire 11 via a metal foil 12, and a sheath 14 made of insulating resin that covers the braid 13.

[0017] Each wire of the twisted pair electric wires 11 has a core wire 11a and a resin insulating coating 11b that covers the core wire 11a (see FIG. 8). The twisted pair electric wires 11 exposed at the terminal side of the shielded electric wire 10 are untwisted, and an inner terminal 15 is crimped and connected to the core wire 11a exposed from the insulating coating 11b at each terminal.

[0018] The braid 13 exposed at the terminal side of the shielded wire 10 is folded back from the tip edge of the inner sleeve 6 toward the outer periphery, and then a folded back portion 13a is folded back to the outside of the sheath 14 after the inner sleeve 6 is crimped to the outer periphery as described below.

[0019] The inner housing 4 has a housing main body 41 formed of insulating resin in the shape of an elliptical cylinder, and has a pair of inner terminal accommodating portions 45, 45 on both sides thereof for accommodating the inner terminal 15 crimped and connected to the core wire 11a of the shielded electric wire 10. The inner terminal 15 is inserted from the rear end opening of the inner housing 4 and accommodated in the inner terminal accommodating portion 45.

[0020] In addition, the inner housing 4 is provided with a retainer 47 on a part of the upper wall of the housing body 41 for locking the inner terminals 15 accommodated in the inner terminal accommodating portions 45 to prevent them from coming out. The retainer 47 is integrally molded with the housing main body 41 via a thin hinge, and can be opened and closed relative to an opening communicating with the inner terminal accommodating portion 45. A locking projection (not shown) protruding from the inner surface of the retainer 47 locks the inner terminal 15 accommodated in the inner terminal accommodating portion 45, thereby preventing the inner terminal 15 from coming off the inner housing 4.

[0021] As shown in Figures 3 to 6, the matching part 5 of this first embodiment is made of metal and formed into an approximately elliptical cylindrical shape, and includes a transmission characteristic ensuring part 50 that improves the transmission performance of the inner module 2, and a housing connection part 51 that is fitted onto the rear end part 43 of the inner housing 4. The transmission characteristics ensuring section 50 is composed of a pair of hollow resilient accommodating sections 52, 52, and can individually accommodate each untwisted wire at the end of the twisted pair wires 11. The accommodating section 52 is press-formed so as to inwardly roll up both side edge sections 52a, 52b of the matching part 5 along the wire insertion direction, thereby defining a hollow space with a circular cross section.

[0022] That is, the transmission characteristics ensuring section 50 has a pair of hollow accommodating sections 52, 52 that respectively accommodate the ends of the twisted pair electric wires 11 to which the inner terminals 15 are connected in a predetermined arrangement, and are configured to be elastically deformable in the wire diameter direction of the twisted pair electric wires 11. The housing portion 52 has an inner diameter equivalent to the diameter of each wire of the twisted pair electric wires 11, and is sized so that the wires come into contact with the housing portion or there is a small gap between them. The size setting is performed by ordinary press molding, and no special equipment such as a crimping machine is required for assembly.

[0023] That is, since the accommodating portion 52 can deform to fit each wire of the twisted pair electric wires 11, it is possible to reduce the gap between each wire and the inner peripheral wall of the accommodating portion 52, and therefore there is no adverse effect such as a reduction in the transmission characteristics of the wires. Furthermore, since there is little gap between each wire and the inner peripheral wall of the accommodating portion 52, the wires are less likely to be damaged.

[0024] Furthermore, since the hollow shape of the accommodating section 52 is press-formed for each wire of the twisted pair electric wires 11, the shape can accommodate pitch conversion even when the pair wire pitch of the twisted pair electric wires 11 and the housing pitch, which is the distance between a pair of inner terminal accommodating sections 45, 45 in the inner housing 4, are different.

[0025] Furthermore, when each end of the twisted pair electric wire 11 connected to the inner terminal 15 is inserted into the accommodating portion 52, the accommodating portion 52, which has a spring property, elastically deforms in the radial direction of the electric wire and then elastically returns to its original shape after the insertion, making the insertion operation easier.

[0026] In addition, since the pair wire pitch of the twisted pair electric wires 11 differs from the housing pitch, which is the distance between a pair of inner terminal accommodating portions 45, 45 in the inner housing 4, a pitch conversion portion 56 for adjusting the pitch is provided on the rear end side of the accommodating portion 52.

[0027] The pitch change portion 56 is formed at the rear end of both side edge portions 52 a and 52 b of the alignment part 5 which are press-formed so as to be rolled inward to define the accommodation portion 52 . The pitch conversion section 56 is composed of a pair of side edge sections 52a, 52b arranged in parallel with a predetermined widthwise spacing, and a branch guide section 55 formed by bending a protruding piece formed at the rear end of the side edge section 52a into a V-shaped cross section.

[0028] When each end of the twisted pair electric wire 11 connected to the inner terminal 15 is inserted from the rear opening of the transmission characteristic ensuring section 50, the branch guide section 55 guides each end of the twisted pair electric wire 11 into the pair of hollow accommodating sections 52, 52. Then, each end is inserted into the accommodating sections 52, 52, respectively, and the pair wire pitch of the twisted pair electric wire 11 is smoothly converted to the housing pitch.

[0029] The housing connection portion 51 has a wider opening than the transmission characteristic securing portion 50 so as to fit onto the rear end portion 43 of the inner housing 4. A plurality of outer protrusions 53 are protruding hemispherically from the outside of the housing connection portion 51, and have the function of electrically connecting the matching component 5 and the outer terminal 21. Furthermore, a plurality of inner protrusions 54 are protruding hemispherically from the inside of the housing connection portion 51, and have the function of loosely mechanically locking onto the rear end portion 43 of the inner housing 4.

[0030] The inner sleeve 6 is made of a conductive metal and has a U-shaped cross section with a pair of crimping pieces 61, 61. The inner sleeve 6 is a cylindrical crimping member that is placed over the outer periphery of the braid 13 exposed from the end of the sheath 14 and crimped to be fixed.

[0031] The outer terminal 21 is made of a conductive metal and is formed to have a shield body 22 formed in a substantially elliptical cylindrical shape and a crimping portion 23 that expands in diameter from the rear end of the shield body 22 and extends to have a C-shaped cross section. An inner housing accommodating chamber 20 that accommodates the inner housing 4 is formed in the shield body 22. The C-shaped cross section crimping portion 23 is crimped into a cylindrical shape along the outer circumferential shape of the inner sleeve 6 so as to be electrically connected to the end of the braid 13 that is folded back and placed around the outer periphery of the inner sleeve 6.

[0032] Next, the procedure for assembling the inner module 2 of the above-mentioned shielded connector will be described. 7 to 11 are explanatory diagrams illustrating the procedure for connecting the inner module 2 to the end of the shielded electric wire (cable) 10. FIG.

[0033] First, as shown in FIG. 7, the inner sleeve 6 is crimped onto the outer periphery of the braid 13 exposed at the end of the shielded electric wire 10 so as to cover it. 8, the end of the braid 13 is folded back from the front edge of the inner sleeve 6 to the outside of the inner sleeve 6 to form a folded back portion 13a. A braid end 13b of the folded back portion 13a reaches the end of the sheath 14. Thereafter, a portion of the metal foil 12 is cut away up to the folded portion of the braid 13, and the twisted pair electric wires 11 are untwisted. Then, an inner terminal 15 is crimped and connected to the core wires 11a exposed from the insulating coating 11b at the end of each electric wire in the twisted pair electric wires 11.

[0034] Next, as shown in FIG. 9, the inner terminal 15 is inserted into the matching component 5. As shown in FIG. 10, the gap between each wire of the twisted pair electric wires 11 accommodated in the accommodation section 52 of the transmission characteristic securing section 50 and the inner peripheral wall of the accommodation section 52 can be reduced, so that adverse effects such as a deterioration in the transmission characteristics of the wires do not occur.

[0035] 11 , the inner terminal 15 having the matching component 5 inserted therethrough is accommodated in the inner terminal accommodating portion 45 of the inner housing 4, and the housing connecting portion 51 of the matching component 5 is fitted onto the rear end portion 43 of the inner housing 4. Then, the portion of the insulating coating 11b at the end of the untwisted twisted pair electric wires 11 is accommodated in the transmission characteristic ensuring portion 50 of the matching component 5.

[0036] Next, the end of the shielded electric wire 10, with the inner terminal 15 accommodated in the inner housing 4, is inserted into the outer terminal 21. Then, with the inner housing 4 accommodated in the inner housing accommodating chamber 20 of the shield body 22, the crimping portion 23 is crimped along the outer peripheral shape of the inner sleeve 6, thereby electrically connecting the outer terminal 21 to the folded-back portion 13a of the braid 13. At this time, the crimping portion 23 of the outer terminal 21 covers the folded-back portion 13a of the braid 13 up to the braid end 13b. The outer terminal 21 is also electrically connected to the housing connecting portion 51 of the matching component 5. Then, by crimping the outer terminal 21, the inner module 2 shown in FIG. 1 is completed.

[0037] As described above, in the inner module 2 of the shielded connector 1 having the connector structure of this embodiment, as shown in Figures 11 and 12, each untwisted wire at the terminal of the twisted pair wires 11 is accommodated in the transmission characteristic ensuring section 50 of the matching component 5. The transmission characteristic ensuring section 50 is composed of a pair of hollow resilient housing sections 52, 52, and can individually house each of the untwisted wires at the terminals of the twisted pair electric wires 11.

[0038] The accommodating portion 52 can deform to fit each wire of the twisted pair electric wires 11, thereby reducing the gap between each wire and the inner peripheral wall of the accommodating portion 52, thereby preventing adverse effects such as a reduction in the transmission characteristics of the wires. Furthermore, since there is little gap between each wire and the inner peripheral wall of the accommodating portion 52, the wires are less likely to be damaged.

[0039] Therefore, according to the inner module 2 of the shielded connector 1 having the connector structure according to the first embodiment, the transmission characteristics of the shielded connector 1 using the twisted pair electric wires 11 can be easily improved.

[0040] In addition, in the inner module 2 equipped with the connector structure according to the first embodiment, the matching part 5 is press-formed to include a housing connection portion 51 at the front end into which the terminal insertion side end 43 of the inner housing 4 is press-fitted, and a pitch conversion portion 56 at the rear end into which each end of the twisted pair electric wires 11 is inserted.

[0041] Therefore, the matching component 5 can smoothly convert the pair wire pitch of the twisted pair electric wires 11 into the housing pitch, which is the distance between the pair of inner terminal accommodating portions 45, 45 in the inner housing 4. In addition, the matching component 5 can be easily connected to the terminal insertion side end portion 43 of the inner housing 4.

[0042] The housing connection portion 51 of the matching part 5 includes an inner convex portion 54 that protrudes toward the inner peripheral surface side, and an outer convex portion 53 that protrudes toward the outer peripheral surface side. Therefore, the housing connection portion 51 can have a function of loosely mechanically locking the rear end portion 43 of the inner housing 4 and also have a function of electrically connecting the matching component 5 and the outer terminal 21 .

[0043] The pitch conversion section 56 is also provided with branch guide sections 55 that branch the inner terminals 15 connected to the ends of the twisted pair electric wires 11 when the inner terminals 15 are inserted. Therefore, the pair wire pitch of the twisted pair electric wires 11, the ends of which are inserted into the pair of accommodating portions 52, 52 in the transmission characteristic ensuring portion 50, is smoothly converted to the housing pitch.

[0044] (Second embodiment) Next, an inner module 2A having a connector structure according to a second embodiment of the present invention will be described. The inner module 2A of the second embodiment differs from the first embodiment in that the matching components and outer terminals are different. Therefore, the same parts as those in the first embodiment are denoted by the same reference numerals and descriptions thereof will be omitted.

[0045] As shown in FIG. 14, an inner module 2A according to the second embodiment of the present invention includes a shielded wire 10, an inner terminal 15, an inner housing 4, a matching component 5A, an inner sleeve 6, and an outer terminal 21A.

[0046] 14 to 17, a matching component 5A of the second embodiment is made of metal and formed into a substantially elliptical cylindrical shape, and a transmission characteristic ensuring section 50 is composed of a pair of hollow resilient accommodating sections 52A, 52A, which can individually accommodate each untwisted electric wire at the end of the twisted pair electric wire 11. The accommodating section 52A is press-formed so that both side edge sections 52a, 52b of the matching component 5A along the electric wire insertion direction are rolled inward, and a hollow space with a circular cross section is defined.

[0047] As shown in FIG. 16, the accommodating portion 52A has an inner diameter larger than the diameter of each wire of the twisted pair electric wires 11, and is set to a size that allows an inner terminal 15 larger than the inner terminal 15 of the first embodiment to be inserted therethrough. That is, the accommodating portion 52A allows the inner terminal 15, which has a diameter larger than that of each wire of the twisted pair wires 11, to be inserted therethrough.

[0048] The outer terminal 21A of the second embodiment is made of a conductive metal and is formed to have a shield body 22 formed in a substantially elliptical cylindrical shape and a crimping portion 23A that expands in diameter and extends into a C-shaped cross section from the rear end of the shield body 22. The C-shaped cross-sectional crimping portion 23A has a pair of crimping pieces 24, 24 that serve as pressing portions for crimping the accommodation portion 52A of the matching component 5A, and a crimping portion 25 that is crimped onto the outer periphery of the inner sleeve 6 so as to be electrically connected to the end of the braid 13 that is folded back onto the outer periphery of the inner sleeve 6 and placed thereon.

[0049] The crimping portion 25 having a C-shaped cross section is caulked into a cylindrical shape along the outer peripheral shape of the inner sleeve 6 so as to be electrically connected to the end of the braid 13 that is folded back and placed around the outer peripheral side of the inner sleeve 6. As shown in Figures 15 and 17, the pair of crimping pieces 24, 24 press against the accommodating portion 52A of the matching part 5A from above, thereby crimping the wires so that the inner diameter of the accommodating portion 52A is reduced until the wires come into contact with the accommodating portion 52A or a small gap is created.

[0050] Therefore, according to the inner module 2A of the second embodiment of the present invention, even if the inner terminal 15 is larger than the diameter of each wire of the twisted pair electric wires 11, the inner terminal 15 can be smoothly inserted into the accommodating portion 52A of the matching component 5A. After the outer terminal 21A is assembled, the pair of crimping pieces 24, 24 of the outer terminal 21A reduces the inner diameter of the accommodating section 52A until each electric wire comes into contact with the accommodating section 52A or until a small gap is created, thereby easily improving the transmission characteristics of the inner module 2A.

[0051] Furthermore, at the rear end of the accommodation portion 52A in the matching component 5A of the second embodiment, there are protruding insertion portions 57 to be inserted between the braid 13 folded back and covered on the outer periphery of the inner sleeve 6 and the twisted pair wires 11. The insertion portions 57 are protruding from the upper and lower parts of the rear edge of the accommodation portion 52A.

[0052] After the inner module 2A is assembled, the insertion portion 57 of the matching part 5A covers the gap that occurs between the folded portion of the braid 13 and the rear end of the accommodating portion 52A, thereby further improving the transmission characteristics of the inner module 2A.

[0053] FIGS. 18A to 18D are plan views showing modified examples of the matching component. When matching component 5A is press-molded, it is difficult to shape the portion between housing connecting portion 51 and transmission characteristic ensuring portion 50, and holes may be formed. Therefore, it is conceivable to remove the portion 70 between the housing connection portion 51 having a hole and the transmission characteristic securing portion 50 in various shapes. That is, by removing the portion 70 between the housing connection portion 51 having a hole and the transmission characteristic securing portion 50 without degrading the transmission characteristics, it is possible to have various shapes, such as matching components 5A1 to 5A4 according to modified examples shown in Fig. 18(A) to (D).

[0054] (Third embodiment) Next, an inner module 2B having a connector structure according to a third embodiment of the present invention will be described. The inner module 2B of this third embodiment differs from the first embodiment in that the matching components are different. Therefore, the same parts as those in the first embodiment are designated by the same reference numerals and will not be described again.

[0055] As shown in FIG. 19, an inner module 2B according to the third embodiment of the present invention includes a shielded wire 10, an inner terminal 15, an inner housing 4, a matching component 5B, an inner sleeve 6, and an outer terminal 21.

[0056] As shown in FIGS. 19 to 21, the matching component 5B of the third embodiment is made of metal and formed into a substantially elliptical cylindrical shape, and the transmission characteristics ensuring section 50B is composed of a pair of hollow resilient accommodating sections 52, 52 and a cable connection crimping section 58 provided on the rear end side of the accommodating section 52, and can individually accommodate each of the untwisted electric wires at the terminals of the twisted pair electric wires 11.

[0057] As shown in FIGS. 20 and 21, the cable connection crimping portion 58 is crimped onto the outside of the folded-back portion 13a of the braid 13 that is folded back and placed over the outer periphery of the inner sleeve 6. Therefore, by reliably connecting the matching component 5B and the braid 13 and fixing the positional relationship between the matching component 5B and the shielded wire 10, variations in the transmission characteristics are suppressed, contributing to stability. Therefore, the inner module 2B according to the third embodiment can stabilize the transmission characteristics.

[0058] (Fourth embodiment) Next, an inner module 2C having a connector structure according to a fourth embodiment of the present invention will be described. Note that the inner module 2B of this fourth embodiment differs from the first embodiment in that the matching components are different. Therefore, the same parts as those in the first embodiment are given the same reference numerals and descriptions thereof will be omitted.

[0059] As shown in FIG. 22, an inner module 2C according to the fourth embodiment of the present invention includes a shielded wire 10, an inner terminal 15, an inner housing 4, a matching component 5C, an inner sleeve 6, and an outer terminal 21.

[0060] As shown in FIGS. 23 and 25 , a matching component 5C of the fourth embodiment is made of metal and formed into a substantially elliptical cylindrical shape, and a transmission characteristics ensuring section 50C is composed of a pair of hollow resilient accommodating sections 52, 52 and an electric wire crimping section 59 provided on the rear end side of the accommodating section 52, and can individually accommodate each electric wire that has been untwisted at the terminal of the twisted pair electric wires 11. 24, the wire crimping portion 59 is configured with a pair of springy crimping pieces, and is capable of elastically deforming in the wire radial direction while overlapping and covering the twisted pair wires 11 located between the folded-back portion of the braid 13 and the rear end of the accommodating portion 52. That is, the wire crimping portion 59 can deform to fit the twisted pair wires 11, thereby reducing the gap between the twisted pair wires 11 and the wire crimping portion 59, and therefore does not have any adverse effects such as a decrease in the transmission characteristics of the wires.

[0061] Therefore, by having the wire crimping portion 59 cover the twisted pair electric wires 11 located between the folded portion of the braid 13 and the rear end of the accommodating portion 52 in a manner that allows elastic deformation in the wire diameter direction, it is possible to reduce the length of the section of the pair of electric wires that is untwisted at the terminal of the twisted pair electric wires 11 and the gap between the electric wires. As a result, it is possible to suppress deterioration in the transmission characteristics of the twisted pair electric wires 11 located between the folded portion of the braid 13 and the rear end of the accommodating portion 52. Therefore, the inner module 2C according to the fourth embodiment can further improve the transmission characteristics.

[0062] The present invention is not limited to the above-described embodiments, and can be appropriately modified, improved, etc. Furthermore, the material, shape, size, number, location, etc. of each component in the above-described embodiments are arbitrary and not limited as long as they can achieve the present invention.

[0063] Here, the features of the connector structure according to the present invention described above will be briefly summarized and listed below in [1] to [8]. [1] A cable (shielded wire 10) in which a braid (13) surrounding a twisted pair wire (11) is covered with a sheath (14); an inner sleeve (6) that covers the outer peripheral side of the braid (13) exposed from the end of the sheath (14); a pair of inner terminals (15, 15) electrically connected to the core wires (11a) of the twisted pair electric wires (11) exposed from the end of the sheath (14); an inner housing (4) in which the inner terminals (15) are accommodated in a pair of inner terminal accommodating portions (45, 45); a matching component (5) in which a pair of hollow receiving portions (52) for receiving the respective ends of the twisted pair electric wires (11) connected to the inner terminals (15) in a predetermined arrangement are configured to be elastically deformable in the wire diameter direction of the twisted pair electric wires (11); an outer terminal (21) having a shield body (22) covering the outer periphery of the inner housing (4) and a crimping portion (23) extending from the shield body (22) and crimped to the outer periphery of the inner sleeve (6) so as to be electrically connected to an end (folded portion 13a) of the braid (13) folded back to cover the outer periphery of the inner sleeve (6); A connector structure comprising:

[0064] According to the connector structure described in [1] above, each of the twisted pair electric wires (11) that has been untwisted at the terminal is accommodated in the hollow accommodating portion (52) of the matching part (5). The pair of hollow resilient housing portions 52, 52 can individually house each of the untwisted wires at the ends of the twisted pair electric wires (11). The housing portion (52) can be deformed to fit each wire of the twisted pair electric wires (11), thereby reducing the gap between each wire and the inner peripheral wall of the housing portion (52), and therefore does not have adverse effects such as a deterioration in the transmission characteristics of the wires.

[0065] [2] The matching component (5) is press-formed to include a housing connection portion (51) at the front end into which the terminal insertion end portion (43) of the inner housing (4) is press-fitted, and a pitch conversion portion (56) at the rear end into which each end of the twisted pair electric wire (11) is inserted. The connector structure according to [1] above.

[0066] According to the connector structure described in [2] above, the matching component 5 can smoothly convert the pair wire pitch of the twisted pair electric wires 11 into the housing pitch, which is the distance between the pair of inner terminal accommodating portions 45, 45 in the inner housing 4. In addition, the matching component 5 can be easily connected to the terminal insertion side end portion 43 of the inner housing 4.

[0067] [3] The housing connection portion (51) includes an inner convex portion (54) protruding toward the inner peripheral surface and an outer convex portion (53) protruding toward the outer peripheral surface. The connector structure described in [2] above.

[0068] According to the connector structure described in [3] above, the housing connection portion (51) has a loose mechanical locking function with respect to the rear end portion 43 of the inner housing (4) and can also have an electrical connection function between the matching part (5) and the outer terminal (21).

[0069] [4] The pitch conversion section (56) is provided with branch guide sections (55) that branch the inner terminals (15) connected to the ends of the twisted pair electric wires (11) when the inner terminals (15) are inserted. The connector structure described in [2] above.

[0070] According to the connector structure described in [4] above, the pair wire pitch of the twisted pair electric wires 11, each end of which is inserted into the pair of accommodating portions (52, 52), is smoothly converted to the housing pitch.

[0071] [5] An insertion portion (57) is protruded from the rear end of the accommodating portion (52A) to be inserted between the braid (13) folded back and covered on the outer circumferential side of the inner sleeve (6) and the twisted pair electric wire (11). The connector structure according to [1] above.

[0072] According to the connector structure described in [5] above, after the inner module 2A is assembled, the insertion portion (57) of the matching part (5A) covers the gap that occurs between the folded portion of the braid (13) and the rear end of the accommodating portion (52A), thereby further improving the transmission characteristics of the inner module (2A).

[0073] [6] A cable connection crimping portion (58) is provided at the rear end of the accommodating portion (52) to be crimped to the outside of the braid (13) folded back and covered on the outer circumferential side of the inner sleeve (6). The connector structure according to [1] above.

[0074] According to the connector structure described in [6] above, the matching part 5B and the braid 13 are securely connected, and the positional relationship between the matching part 5B and the shielded wire 10 is fixed, thereby suppressing variations in transmission characteristics and contributing to stability. Therefore, the inner module 2B can stabilize the transmission characteristics.

[0075] [7] A wire crimping portion (59) is provided at the rear end of the accommodating portion (52), the wire crimping portion (59) overlapping the twisted pair wires (11) and elastically deforming in the wire diameter direction. The connector structure according to [1] above.

[0076] According to the connector structure described in [7] above, the wire crimping portion 59 covers the twisted pair wires 11 located between the folded portion of the braid 13 and the rear end of the housing portion 52 in a manner that allows the wires to be elastically deformed in the wire diameter direction, thereby reducing the length of the section of the pair of untwisted wires at the end of the twisted pair wires 11 and the gap between the wires. As a result, it is possible to suppress deterioration in the transmission characteristics of the twisted pair wires 11 located between the folded portion of the braid 13 and the rear end of the housing portion 52. Therefore, the inner module 2C can further improve the transmission characteristics.

[0077] [8] The connector structure according to any one of the above [1] to [7], wherein the outer terminal (21A) is provided with a pressing portion (a pair of crimping pieces 24, 24) for crimping the accommodating portion (52A) in a diameter reducing direction.

[0078] According to the connector structure described in [8] above, even if the inner terminal (15) is larger in diameter than each wire of the twisted pair electric wire (11), the inner terminal (15) can be smoothly inserted into the accommodating portion (52A) of the matching part (5A). After the outer terminal (21A) is assembled, the pressing portion (a pair of crimping pieces 24, 24) of the outer terminal (21A) reduces the inner diameter of the accommodating portion (52A) until each electric wire comes into contact with the accommodating portion (52A) or until a small gap is created, thereby easily improving the transmission characteristics of the inner module (2A). [Explanation of symbols]

[0079] 1...Shielded connector 4...Inner housing 6...Inner sleeve 10...Shielded wire (cable) 11...Twisted pair wire 11a...core wire 13...Braid 13a...Folded section 14...Sheath 15...Inner terminal 21...Outer terminal 22...Shield body 23... Crimping part 45...Inner terminal housing 52...Storage section

Claims

1. a cable in which a braid surrounding a twisted pair electric wire is covered with a sheath; an inner sleeve that covers the outer peripheral side of the braid exposed from the end of the sheath; a pair of inner terminals electrically connected to the core wires of the twisted pair electric wires exposed from the end of the sheath; an inner housing in which the inner terminals are accommodated in a pair of inner terminal accommodating portions; a matching component including a pair of hollow accommodating portions that accommodate the respective ends of the twisted pair electric wires connected to the inner terminals in a predetermined arrangement, the hollow accommodating portions being configured to be elastically deformable in the wire diameter direction of the twisted pair electric wires; an outer terminal including a shield body covering an outer periphery of the inner housing, and a crimping portion extending from the shield body and crimped onto the outer periphery of the inner sleeve so as to be electrically connected to an end of the braid folded back onto the outer periphery of the inner sleeve; A connector structure comprising:

2. The matching component is press-formed to include a housing connection portion at the front end into which the terminal insertion end of the inner housing is press-fitted, and a pitch conversion portion at the rear end into which each end of the twisted pair electric wire is inserted. The connector structure according to claim 1 .

3. The housing connection portion includes an inner convex portion that protrudes toward an inner peripheral surface side and an outer convex portion that protrudes toward an outer peripheral surface side. The connector structure according to claim 2 .

4. The pitch conversion section is provided with a branch guide section that branches the inner terminals connected to the ends of the twisted pair electric wires when the inner terminals are inserted. The connector structure according to claim 2 .

5. an insertion portion is provided at a rear end of the accommodating portion to be inserted between the braid folded back and covered on the outer circumferential side of the inner sleeve and the twisted pair electric wire; The connector structure according to claim 1 .

6. a cable connection crimping portion that is crimped onto the outer side of the braid that is folded back and covered onto the outer circumferential side of the inner sleeve, provided on the rear end side of the accommodating portion; The connector structure according to claim 1 .

7. a wire crimping portion that overlaps and covers the twisted pair wires and is elastically deformable in the wire diameter direction is provided on the rear end side of the accommodating portion; The connector structure according to claim 1 .

8. 8. The connector structure according to claim 1, wherein the outer terminal includes a pressing portion for crimping the accommodating portion in a diameter-reducing direction.

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