WO2017122779A1 - コネクタ - Google Patents
コネクタ Download PDFInfo
- Publication number
- WO2017122779A1 WO2017122779A1 PCT/JP2017/001018 JP2017001018W WO2017122779A1 WO 2017122779 A1 WO2017122779 A1 WO 2017122779A1 JP 2017001018 W JP2017001018 W JP 2017001018W WO 2017122779 A1 WO2017122779 A1 WO 2017122779A1
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- WO
- WIPO (PCT)
- Prior art keywords
- shell
- dielectric
- pair
- terminal fitting
- halves
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/5025—Bases; Cases composed of different pieces one or more pieces being of resilient material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/436—Securing a plurality of contact members by one locking piece or operation
- H01R13/4364—Insertion of locking piece from the front
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
Definitions
- the present invention relates to a connector.
- Patent Document 1 a terminal fitting connected to a core wire of a shielded electric wire is accommodated in a dielectric body made of synthetic resin, and an outer conductor having a shielding function is assembled on the outer periphery of the dielectric body to constitute a terminal module.
- a terminal fitting connected to a core wire of a shielded electric wire is accommodated in a dielectric body made of synthetic resin, and an outer conductor having a shielding function is assembled on the outer periphery of the dielectric body to constitute a terminal module.
- a plate-like elastic locking piece is formed that is obliquely cut and raised, and the elastic locking piece is locked to the receiving portion on the inner surface of the dielectric, so that the terminal fitting becomes the dielectric. On the other hand, it is held in a retaining state.
- the terminal fitting is also downsized.
- the elastic locking piece is also made smaller and thinner, so that the locking force of the elastic locking piece is reduced.
- the locking force of the elastic locking piece is reduced, there is a concern that the terminal fitting is detached from the dielectric.
- the lance is formed, the dielectric becomes larger and the fundamental countermeasure is taken. It will not be.
- the present invention has been completed based on the above circumstances, and an object thereof is to securely hold a terminal fitting in a dielectric body while realizing miniaturization.
- the connector of the present invention A terminal fitting to which the core of the electric wire is connected; A dielectric made of synthetic resin capable of accommodating the terminal fitting in a positioning state; A pair of halves that constitute the dielectric by uniting so as to sandwich the terminal fitting; The direction in which the pair of halves are merged and divided is characterized in that the terminal metal fitting and the core wire connected to the terminal metal fitting intersect each other.
- the terminal fitting Since the terminal fitting is sandwiched between the pair of halves and accommodated in a positioned state in the dielectric, there is no need to form a lance in the dielectric. According to the present invention, the terminal fitting can be securely held in the dielectric body while realizing miniaturization.
- FIG. 1 Side view of shield connector XX sectional view of FIG.
- Perspective view of terminal module Perspective view showing the terminal module upside down Shielded wire perspective view
- the perspective view showing the state which attached the terminal metal fitting to the 1st shell (upper shell) and one half body (upper case) Side sectional view showing the terminal shell attached to the first shell (upper shell) and one half (upper case)
- separated the 2nd shell (lower shell) and the other half body (lower case) The perspective view showing the state which isolate
- the present invention may include a metal member and a positioning locking portion that is formed in the pair of halves and positions the pair of halves in a combined state by being locked to the metal member. Good. According to this configuration, the pair of halves are not directly locked and held in the combined state, but are positioned in the combined state via the metal member. Thereby, since it is not necessary to form the latching
- the metal member includes a first shell and a second shell, and the first shell is in a state in which the pair of halves are divided with respect to one of the halves.
- the second shell is assembled so as to cover the outer surface with respect to the other half-divided body in a state where the pair of halves are divided, and the second shell is assembled so as to cover the outer surface.
- a first locking portion for combining is formed on the shell, a second locking portion for combining is formed on the second shell, and the first locking portion for combining and the second locking for combining are formed.
- the first shell and the second shell may be held in a combined state so that the metal member is configured by the portions being locked together.
- the two shells are combined to form a pair.
- the terminal fitting can be accommodated in the dielectric body while the halved body is held in the combined state. Therefore, when the pair of halves are combined with the terminal metal fitting, the operator does not need to hold both halves in the combined state by hand.
- the metal member may include a crimping portion that is crimped to the outer periphery of the electric wire. According to this configuration, when the crimping portion is crimped to the outer periphery of the electric wire, the relative displacement of the terminal fitting and the dielectric is restricted with respect to the electric wire, so there is no possibility that the exposed portion of the core wire is bent and deformed.
- the present invention provides an outer conductor in which the electric wire has a shield layer that surrounds the core wire and electromagnetically shields the core wire, and the metal member surrounds the dielectric in a state of being connected to the shield layer. It may be.
- FIGS. 1 to 13 A first embodiment embodying the present invention will be described below with reference to FIGS.
- the front-rear direction is defined as the lower left in FIGS. 1, 4 to 10, 12, and 13 and the left in FIGS.
- the directions appearing in FIGS. 1 to 13 are defined as “upper” and “lower” as they are.
- the directions shown in FIG. 3 are defined as left and right as they are.
- the shield connector A (connector described in the claims) of the first embodiment is used for, for example, an automatic driving control system of an automobile, and is a connector that has a shield function and realizes miniaturization.
- the shield connector A includes an outer housing 10 and a terminal module 14 (see FIGS. 2 to 5) inserted into the outer housing 10.
- the terminal module 14 is attached to the front end portion (terminal portion) of the shielded electric wire 15 (the electric wire described in the claims), and has a pair of terminal fittings 20, a dielectric 23, and an outer conductor 40 (in the claims).
- the metal member is described.
- the outer housing 10 is made of synthetic resin. As shown in FIGS. 2 and 3, a housing space 11 for housing the terminal module 14 is formed inside the outer housing 10.
- the accommodation space 11 has a form penetrating the outer housing 10 in the front-rear direction.
- An elastic retaining piece 12 is formed in the housing space 11 so as to extend forward in a cantilevered manner along its upper surface.
- the elastic retaining piece 12 can be elastically bent in the vertical direction (direction intersecting the insertion direction of the terminal module 14 with respect to the accommodation space 11).
- a stopper 13 is formed in the accommodation space 11 so as to protrude upward from its lower surface.
- the shield wire 15 includes a core wire 16 composed of two covered wires, an insulating endothelium 17 that individually surrounds the two core wires 16, and two wires surrounded by the insulating endothelium 17.
- a braided wire 18 shield layer described in claims
- the braided wire 18 has a function of surrounding the core wire 16 and electromagnetically shielding the core wire 16. In the inner space of the sheath 19, two core wires 16 are twisted together to form a twisted pair wire.
- the two core wires 16 are untwisted and exposed from the front end of the sheath 19 so as to be arranged substantially in parallel.
- the braided wire 18 that is exposed by removing the sheath 19 is folded back and covered with the outer periphery of the front end portion of the sheath 19.
- Terminal fitting 20 As shown in FIG. 6, the rear end portions of the terminal fittings 20 elongated in the front-rear direction are crimped to the front end portions (terminal portions) of the two core wires 16 so as to be conductive.
- a front end side region of the terminal fitting 20 is a rectangular tube-shaped terminal main body portion 21, and a pair of positioning convex portions 22 protruding upward are formed on the front end portion and the rear end portion of the terminal main body portion 21. Yes.
- the dielectric 23 is made of a synthetic resin and has a shape elongated in the front-rear direction as a whole. As shown in FIG. 3, the dielectric 23 includes an upper case 24 shown in FIG. 7 (one half of the claim) and a lower case 34 shown in FIG. 12 (the other half of the claim). It is configured to be combined.
- the direction in which the upper case 24 and the lower case 34 are united is the vertical direction (that is, the direction intersecting the front-rear direction in which the terminal fitting 20 and the terminal portion of the shielded electric wire 15 are arranged).
- the upper case 24 is formed with a pair of left and right accommodation recesses 25 whose bottom surface is recessed.
- the housing recess 25 is elongated in the front-rear direction and is formed over the entire length of the upper case 24.
- a pair of front and rear positioning recesses 26 in which the upper surface is recessed is formed in the accommodation recess 25.
- a substantially upper half portion of the terminal fitting 20 is accommodated in the accommodating recess 25.
- a front wall portion 27 is formed at the front end portion of the upper case 24 so as to protrude downward.
- a pair of left and right tab insertion openings 28 are formed in the front wall portion 27.
- the tab insertion port 28 is disposed so as to face the front end of the terminal main body 21 of the terminal fitting 20 fitted in the housing recess 25.
- a male terminal tab (not shown) provided on a mating connector (not shown) is inserted into the terminal main body 21 of the terminal fitting 20 through the tab insertion slot 28.
- an upper surface protrusion 29 (a positioning locking portion described in claims) is formed on the upper surface of the upper case 24.
- the upper surface protrusion 29 is disposed on the front end portion of the upper case 24.
- a pair of left and right symmetrical first side protrusions 30 (positioning locking portions described in claims) are formed on the left and right outer surfaces of the upper case 24.
- the first side protrusion 30 is disposed at a substantially central portion of the upper case 24 in the front-rear direction.
- the first side protrusion 30 is composed of a main protrusion 31 and a sub protrusion 32.
- the sub projection 32 has a smaller projecting dimension than the main projecting portion 31 and a smaller vertical dimension than the main projecting portion 31.
- the sub protrusion 32 protrudes rearward from the rear surface of the upper end of the main protrusion 31.
- a pair of left and right symmetrical second side projections 33 are formed on the left and right outer surfaces of the upper case 24.
- the second side protrusion 33 is disposed at the rear end of the upper case 24 (a position behind the first side protrusion 30).
- the lower case 34 is formed with a pair of left and right receiving grooves 35 whose upper surface is recessed.
- the housing groove 35 is elongated in the front-rear direction and is formed over the entire length of the lower case 34.
- each housing groove 35 accommodates a substantially lower half portion of the terminal fitting 20.
- the terminal fitting 20 accommodated in the accommodation groove 35 is positioned in a state in which relative displacement in the left-right direction is restricted with respect to the lower case 34 by being sandwiched between the inner side surfaces of the accommodation groove 35.
- a lower surface protrusion 36 (a positioning locking portion described in claims) is formed on the lower surface of the lower case 34.
- the lower surface protrusion 36 is disposed on the front end portion of the lower case 34.
- two symmetrical left and right side recesses 37 are formed on the left and right outer surfaces of the lower case 34.
- the two pairs of side recesses 37 are disposed at the front end portion of the lower case 34 and the substantially central portion in the front-rear direction of the lower case 34.
- the upper case 24 and the lower case 34 are combined so that the accommodation recess 25 and the accommodation groove 35 face each other up and down to constitute the dielectric 23.
- a pair of front and rear terminal housing chambers 38 including housing recesses 25 and housing grooves 35 are formed inside the dielectric 23.
- the upper case 24 and the lower case 34 are not formed with portions that are directly locked and fitted to each other. Therefore, the dielectric 23 alone does not have a function of holding both cases 24 and 34 in a combined state, and is held in a combined state via an outer conductor 40 described later.
- the outer conductor 40 is formed in a substantially rectangular tube shape that is long in the front-rear direction by bending a predetermined-shaped metal plate material, and the outer conductor 40 surrounds the front end portions of the terminal fitting 20 and the core wire 16. Thus, the front end portions of the terminal fitting 20 and the core wire 16 are electromagnetically shielded.
- the outer conductor 40 is configured by combining an upper shell 41 (first shell described in claims) and a lower shell 52 (second shell described in claims) shown in FIG. .
- the direction in which the upper shell 41 and the lower shell 52 are combined is the vertical direction (that is, the direction intersecting with the front-rear direction in which the terminal fitting 20 and the terminal portion of the shielded electric wire 15 are aligned), like the dielectric 23.
- the upper shell 41 includes an upper surface plate portion 42, a pair of symmetrical inner side surface plate portions 43 extending downward from left and right side edges of the upper surface plate portion 42, and an upper side crimping portion 44.
- the upper surface plate portion 42 is formed with a retaining projection 45 that protrudes upward (outward).
- the retaining protrusion 45 is disposed at a substantially central portion in the front-rear direction of the upper surface plate portion 42.
- An upper surface locking portion 46 is formed at the front end of the upper surface plate portion 42 so as to penetrate in the thickness direction (vertical direction).
- the left and right inner side surface plate portions 43 are formed with a pair of first side locking portions 47 that are symmetrical to the left and right.
- the first side surface locking portion 47 is disposed at a position slightly ahead of the substantially central portion in the front-rear direction of the inner side surface plate portion 43.
- the first side surface latching portion 47 penetrates the inner side surface plate portion 43 in the left-right direction and is open to the lower end edge of the inner side surface plate portion 43.
- locking part 47 is a shape which the whole 1st side surface protrusion 30 can fit.
- the left and right inner side surface plate portions 43 are formed with a pair of symmetrical second side surface locking portions 48.
- the second side surface locking portion 48 is disposed at the rear end portion of the inner side surface plate portion 43.
- locking part 48 is the form which penetrated the inner side surface board part 43 in the plate
- the opening shape of the second side surface locking portion 48 is a shape in which the entire second side surface protrusion 33 can be fitted.
- the left and right inner side surface plate portions 43 are formed with two pairs of left and right symmetrical fitting holes 49 (a first locking portion for merging described in claims).
- the two pairs of fitting holes 49 are arranged at the front end portion of the inner side surface plate portion 43 and a position between the first side surface locking portion 47 and the second side surface locking portion 48 in the inner side surface plate portion 43.
- the fitting hole 49 has a form penetrating the inner side surface plate portion 43 in the thickness direction (left-right direction).
- the upper side crimping portion 44 is configured to extend rearward from the rear end of the upper surface plate portion 42.
- the upper side crimping portion 44 has an open barrel shape including an upper side substrate portion 50 connected to the upper surface plate portion 42 and a pair of upper side caulking pieces 51 extending downward from the left and right side edges of the upper side substrate portion 50. Eggplant.
- the pair of upper side caulking pieces 51 are arranged at positions shifted from each other in the front-rear direction.
- the upper side crimping portion 44 is crimped to the outer periphery of the braided wire 18.
- the braided wire 18 is sandwiched between the outer periphery of the sheath 19 of the shielded electric wire 15 and the upper crimping portion 44 over the entire periphery, and is connected to the upper shell 41 (outer conductor 40) so as to be conductive.
- the lower shell 52 includes a lower surface plate portion 53, a pair of left and right symmetrical outer surface plate portions 54 extending upward from left and right side edges of the lower surface plate portion 53, and a lower side crimping portion 55.
- the lower surface plate portion 53 is formed with a front stop portion 56 that protrudes downward (outward).
- the front stop portion 56 is disposed at a substantially central portion in the front-rear direction of the lower surface plate portion 53 (substantially the same position as the retaining protrusion 45).
- a lower surface locking portion 57 having a shape penetrating in the thickness direction (vertical direction) is formed at the front end portion of the lower surface plate portion 53.
- the left and right outer side face plate portions 54 are formed with two symmetrical left and right side convex portions 58.
- the side convex portions 58 are arranged at the front end portion of the outer side face plate portion 54 and the center portion in the front-rear direction of the outer side face plate portion 54.
- the side convex part 58 is a form in which the outer side plate part 54 is knocked out inward.
- the left and right outer side surface plate portions 54 are formed with two pairs of left and right symmetrical fitting protrusions 59 (the second engaging portion for merging described in the claims).
- the fitting protrusion 59 is disposed on the front end portion of the outer face plate portion 54 and the center portion in the front-rear direction of the outer face plate portion 54.
- the side convex portion 58 is disposed at a position closer to the lower surface plate portion 53 than the fitting projection 59.
- the fitting protrusion 59 has a form in which the outer side face plate part 54 is knocked inward, like the side convex part 58.
- the left and right outer side face plate portions 54 are formed with a pair of left and right symmetrical notch portions 60 for positioning.
- the positioning cutout portion 60 has a form that penetrates the outer face plate portion 54 in the plate thickness direction (left and right direction) and is opened to the upper end edge of the outer face plate portion 54.
- the opening shape of the positioning notch 60 is a shape that fits only with the main protrusion 31 of the first side protrusion 30 of the upper case 24.
- the lower side crimping portion 55 has a form extending rearward from the rear end of the lower surface plate portion 53.
- the lower-side crimping portion 55 has an open barrel shape including a lower-side substrate portion 61 connected to the lower surface plate portion 53 and a pair of lower-side caulking pieces 62 extending upward from the left and right side edges of the lower-side substrate portion 61. Eggplant.
- the pair of lower-side caulking pieces 62 are arranged at positions shifted from each other in the front-rear direction.
- the lower side crimping portion 55 is crimped to the outer periphery of the upper side crimping portion 44. In the press-bonded state, the lower side substrate portion 61 is in close contact with the outer peripheral surface of the upper side caulking piece 51, and the lower side caulking piece 62 is in close contact with the outer peripheral surface of the upper side substrate portion 50.
- the shield connector A is assembled in the following procedure.
- the upper case 24 is assembled in the upper shell 41.
- the upper case 24 is sandwiched between the left and right inner side surface plate portions 43 of the upper shell 41, and the upper surface of the upper case 24 is in close contact with or close to the lower surface of the upper surface plate portion 42 of the upper shell 41.
- the upper surface protrusion 29 of the upper case 24 is fitted into the upper surface locking portion 46 of the upper shell 41, and the first side surface protrusion 30 and the second side surface protrusion 33 of the upper case 24 are respectively the first side surface locking of the upper shell 41.
- the portion 47 and the second side surface locking portion 48 are fitted.
- the upper case 24 and the upper shell 41 are in a positioning state in which relative displacement in the front-rear direction, the left-right direction, and the up-down direction is restricted, and is held in the assembled state.
- the upper case 24 and the upper shell 41 assembled and integrated have a vertically inverted orientation as shown in FIG. 9, and the terminal fitting 20 is accommodated in the accommodating recess 25 of the upper case 24 as shown in FIG. At this time, the terminal fitting 20 is not displaced from the rear side of the upper case 24 in the length direction of the shielded electric wire 15, but is dropped into the housing recess 25 from the upper case 24.
- the displacement direction of the terminal fitting 20 at this time is a direction intersecting with the front-rear direction in which the terminal fitting 20 and the end of the shielded electric wire 15 are arranged.
- the terminal fitting 20 housed in the housing recess 25 is sandwiched between the inner side surfaces of the housing recess 25, thereby restricting relative displacement in the left-right direction with respect to the upper case 24. Is positioned. Further, as shown in FIG. 11, the terminal fitting 20 accommodated in the accommodating recess 25 is fitted with the positioning convex portion 22 in the positioning concave portion 26, thereby causing relative displacement in the front-rear direction with respect to the upper case 24. Positioned in a regulated state. Thus, the terminal fitting 20 is temporarily held with respect to the upper case 24 and the upper shell 41.
- the upper side crimping portion 44 is crimped to the outer periphery of the braided wire 18.
- the upper side crimping piece 51 is crimped so as to be wound around the outer periphery of the braided wire 18.
- the upper shell 41 is integrated with the sheath 19 of the shielded electric wire 15. Therefore, the upper case 24 assembled to the upper shell 41 and the terminal fitting 20 accommodated in the positioned state in the upper case 24 are connected to the shielded electric wire 15.
- the relative displacement of the sheath 19 in the front-rear direction, the left-right direction, and the up-down direction is restricted.
- a process of assembling within the lower case 34 and the lower shell 52 is performed as shown in FIG.
- the lower case 34 is sandwiched between the left and right outer side surface plate portions 54 of the lower shell 52, and the lower surface of the lower case 34 is in close contact with or close to the upper surface of the lower surface plate portion 53 of the lower shell 52.
- the lower surface protrusion 36 of the lower case 34 is fitted to the lower surface locking portion 57 of the lower shell 52
- the side surface concave portion 37 of the lower case 34 is fitted to the side surface convex portion 58 of the lower shell 52.
- the lower case 34 and the lower shell 52 are in a positioning state in which relative displacement in the front-rear direction, the left-right direction, and the up-down direction is restricted, and is held in the assembled state.
- the assembled lower case 34 and lower shell 52 are combined with the upper case 24 and the upper shell 41 which are turned upside down so as to sandwich the terminal fitting 20 from above.
- the housing groove 35 of the lower case 34 is fitted into the terminal fitting 20, and the dielectric 23 is formed by the upper case 24 and the lower case 34, and the outer conductor 40 is formed by the upper shell 41 and the lower shell 52.
- the In the dielectric 23, the left and right terminal accommodating chambers 38 are configured by the accommodating recess 25 and the accommodating groove 35, and the terminal fitting 20 is positioned in the terminal accommodating chamber 38 (that is, the dielectric 23 of the dielectric 23). It is housed in a state of being restricted from leaving outside).
- the fitting projection 59 of the lower shell 52 is fitted into the fitting hole 49 of the upper shell 41, and the main projection 31 of the first side projection 30 of the upper case 24 is the lower shell 52. Is fitted into the positioning notch 60.
- the upper shell 41 and the lower shell 52 are in a positioning state in which relative displacement in the front-rear direction, the left-right direction, and the up-down direction is restricted, and is held in the combined state.
- the upper case 24 assembled to the upper shell 41 and the lower case 34 assembled to the female-side seal portion are positioned and held in a combined state. That is, the upper case 24 and the lower case 34 are held in the combined state by way of the outer conductor 40. Thereafter, the lower side crimping portion 55 is crimped to the outer periphery of the upper side crimping portion 44.
- the lower shell 52 is integrated with the upper shell 41 and the shielded electric wire 15, so that the lower case 34 is also restricted from being displaced relative to the sheath 19 of the shielded electric wire 15 in the front-rear direction, the left-right direction, and the vertical direction.
- the terminal module 14 is configured as described above.
- the assembled terminal module 14 is inserted into the accommodating space 11 from the rear of the outer housing 10.
- the elastic retaining piece 12 is elastically displaced upward by interfering with the front wall portion 27 and the upper shell 41 of the upper case 24.
- the front stop portion 56 abuts against the stopper 13, whereby further insertion operation of the terminal module 14 is restricted and positioned.
- the elastic retaining piece 12 is elastically restored and locked to the retaining protrusion 45 from the rear, and the terminal module 14 is held in a retaining state by this locking.
- the shield connector A of the present embodiment includes a terminal fitting 20 connected to the core wire 16 of the shielded electric wire 15, a dielectric 23, and the outer housing 10.
- the dielectric 23 is made of synthetic resin, and accommodates the terminal fitting 20 in a positioned state in the three-dimensional direction.
- the dielectric 23 is constituted by a pair of halves (an upper case 24 and a lower case 34).
- the upper case 24 and the lower case 34 are combined so as to sandwich the terminal fitting 20 to constitute the dielectric 23.
- the upper case 24 and the lower case 34 can be divided and combined in the vertical direction intersecting the front-rear direction in which the terminal fitting 20 and the core wire 16 connected to the terminal fitting 20 are arranged.
- An outer conductor 40 and a dielectric 23 are accommodated in the outer housing 10.
- the terminal fitting 20 is accommodated in the dielectric 23 in a positioned state by being sandwiched between the upper case 24 and the lower case 34.
- the positioning of the terminal fitting 20 is performed by an inelastic locking structure by the positioning recess 26. Therefore, there is no need to form elastically deformable retaining means such as a lance inside the dielectric 23.
- the shield connector A of the present embodiment can reliably hold the terminal fitting 20 in the dielectric 23 while realizing a reduction in size.
- the shield connector A is assembled to the dielectric 23 so as to surround the outer periphery thereof, and includes a metal outer conductor 40 connected to the braided wire 18 of the shielded electric wire 15. Then, the upper case 24 and the lower case 34 are engaged with the outer conductor 40 to position the upper case 24 and the lower case 34 in the combined state (the upper surface protrusion 29, the first side protrusion 30, the second Side projections 33, bottom projections 36, and side recesses 37) are formed. According to this configuration, the upper case 24 and the lower case 34 are not directly locked and held in a combined state, but via the metallic outer conductor 40 having a rigidity higher than that of the synthetic resin. Positioned in the combined state. As a result, it is not necessary to form an elastically deflectable locking portion in the upper case 24 and the lower case 34 made of synthetic resin, and thus the dielectric 23 can be downsized.
- the outer conductor 40 is configured by combining the upper shell 41 and the lower shell 52.
- the upper shell 41 is assembled so as to cover the outer surface of the upper case 24 in a state where the upper case 24 and the lower case 34 are divided.
- the lower shell 52 is assembled so as to cover the outer surface of the lower case 34 in a state where the upper case 24 and the lower case 34 are divided.
- the upper shell 41 is formed with a first combining locking portion (fitting hole 49), and the lower shell 52 is formed with a second combining locking portion (fitting protrusion 59).
- the upper case 24 and the upper shell 41 are assembled, and the lower case 34 and the lower shell 52 are assembled, the upper case 41 and the lower shell 52 are combined to hold the upper case 24 and the lower case 34 in a combined state.
- the terminal fitting 20 can be accommodated in the dielectric 23. Therefore, when the upper case 24 and the lower case 34 are combined with the terminal fitting 20 interposed therebetween, it is not necessary for the operator to hold the upper case 24 and the lower case 34 in the combined state by hand. Thereby, workability
- the outer conductor 40 is formed with an upper side crimping portion 44 that is crimped to the outer periphery of the sheath 19 of the shielded electric wire 15 in a state of being in contact with the braided wire 18.
- the upper side crimping portion 44 is crimped to the sheath 19, the terminal fitting 20 and the dielectric 23 are restricted from being displaced relative to the sheath 19 by the metal outer conductor 40, so that the core wire 16 is exposed from the front end of the sheath 19. There is no risk of bending deformation of the part. Accordingly, when the terminal module 14 is accommodated in the outer housing 10 by gripping the outer periphery of the shielded electric wire 15, the terminal module 14 is not likely to be displaced so as to swing its head, so that workability is good.
- the present invention is not limited to the embodiments described with reference to the above description and drawings.
- the core wire may be wired in parallel mutually inside the sheath.
- the shielded electric wire has a form in which two core wires are surrounded by one shield layer.
- the shielded electric wire may be one in which each core wire is surrounded by an individual shield layer.
- the shielded electric wire is the one in which the core wire is individually surrounded by the insulating endothelium, but the shielded electric wire may be the one in which the two core wires are collectively surrounded by one insulating endothelium. .
- two terminal fittings are accommodated in one dielectric, but the number of terminal fittings accommodated in one dielectric may be one or three or more.
- the pair of halves (upper case and lower case) are held in a combined state by way of the outer conductor, but the pair of halves are directly locked to each other. It may be held in a combined state.
- the outer conductor is a form in which a pair of shells (upper shell and lower shell) are combined, but the outer conductor may be a single component.
- the shield layer and the outer conductor are connected by sandwiching the shield layer (braided wire) between the outer circumference of the sheath of the shielded electric wire and the crimping part (upper side crimping part).
- the shield layer and the outer conductor may be connected by fixing to the outer periphery of the outer conductor.
- the shield layer (braided wire) is sandwiched between the outer periphery of the sheath of the shielded electric wire and the crimp portion (upper side crimp portion) of the first shell (upper shell). May be sandwiched between the crimping portion (upper side crimping portion) of the first shell (upper shell) and the crimping portion (lower side crimping portion) of the second shell (lower shell).
- both the first shell (upper shell) and the second shell (lower shell) are crimped to the outer periphery of the shielded electric wire. However, the first shell and the second shell are crimped to the outer periphery of the shielded electric wire.
- the shield layer is a braided wire, but the shield layer may be a metal foil or the like.
- the electric wire is a shielded electric wire having a shield layer, but the present invention can also be applied when the electric wire is an unshielded electric wire having no shield layer. In this case, it is not necessary to provide an outer conductor surrounding the dielectric.
- the form applied to the shield connector having the outer conductor has been described. However, the present invention can also be applied to a non-shield type connector having no outer conductor.
- the dielectric and the outer conductor are accommodated in the outer housing, but the dielectric and the outer conductor may not be accommodated in the outer housing.
- the metal member that positions the pair of halves in the combined state is used as an outer conductor having a shielding function, but the metal member that positions the pair of halves in the combined state and Alternatively, an outer conductor may be provided.
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
電線の芯線が接続される端子金具と、
前記端子金具を位置決め状態で収容可能な合成樹脂製の誘電体と、
前記端子金具を挟むように合体することで前記誘電体を構成する一対の半割体とを備え、
前記一対の半割体が合体及び分割する方向は、前記端子金具と、前記端子金具に接続された前記芯線とが並ぶ方向に対して交差する方向であるところに特徴を有する。
本発明は、前記電線が、前記芯線を包囲して前記芯線を電磁的にシールドするシールド層を有し、前記金属部材が、前記シールド層に接続された状態で前記誘電体を包囲する外導体であってもよい。
以下、本発明を具体化した実施例1を図1~図13を参照して説明する。以下の説明において、前後の方向については、図1,4~10、12,13における左下方、及び図2,3,11における左方を前方と定義する。上下の方向については、図1~13にあらわれる向きを、そのまま上方、下方と定義する。左右の方向については、図3にあらわれる向きを、そのまま左方、右方と定義する。
本実施例1のシールドコネクタA(請求項に記載のコネクタ)は、例えば自動車の自動運転制御システム等に用いられるものであり、シールド機能を有するとともに小型化を実現したコネクタである。シールドコネクタAは、アウタハウジング10と、アウタハウジング10内に挿入される端末モジュール14(図2~5を参照)とを備えて構成されている。端末モジュール14は、シールド電線15(請求項に記載の電線)の前端部(端末部)に取り付けられたものであり、一対の端子金具20と、誘電体23と、外導体40(請求項に記載の金属部材)とを備えて構成されている。
アウタハウジング10は、合成樹脂製である。図2,3に示すように、アウタハウジング10の内部には、端末モジュール14を収容するための収容空間11が形成されている。収容空間11は、アウタハウジング10を前後方向に貫通した形態である。収容空間11内には、その上面に沿って前方へ片持ち状に延出した形態の弾性抜止片12が形成されている。弾性抜止片12は、上下方向(収容空間11に対する端末モジュール14の挿入方向と交差する方向)へ弾性撓み可能である。同じく収容空間11内には、その下面から上方へ突出した形態のストッパ13が形成されている。
図6、11に示すように、シールド電線15は、2本の被覆電線からなる芯線16と、2本の芯線16を個別に包囲する絶縁内皮17と、絶縁内皮17で包囲された2本の芯線16を一括して包囲する編組線18(請求項に記載のシールド層)と、円筒形をなして編組線18を包囲する合成樹脂製のシース19とを備えている。編組線18は、芯線16を包囲して芯線16を電磁的にシールドする機能を有する。シース19の内部空間では、2本の芯線16が捻り合わされてツイストペア線を構成している。シールド電線15の前端部(端末部)では、2本の芯線16が撚りを解かれてシース19の先端から略平行に並んで露出している。同じくシールド電線15の前端部では、シース19を除去して露出させた編組線18が、後方へ折り返されてシース19の前端部外周に被せられている。
図6に示すように、2本の芯線16の前端部(端末部)には、夫々、前後方向に細長い端子金具20の後端部が、導通可能に圧着されている。端子金具20の前端側領域は、角筒状の端子本体部21となっており、端子本体部21の前端部と後端部には、上向きに突出する一対の位置決め凸部22が形成されている。
誘電体23は、合成樹脂製であり、全体として前後方向に細長い形状である。誘電体23は、図7に示すアッパケース24(請求項に記載の一方の半割体)と図12に示すロアケース34(請求項に記載の他方の半割体)を、図3に示すように合体させて構成されている。アッパケース24とロアケース34を合体させる方向は、上下方向(即ち、端子金具20とシールド電線15の端末部とが並ぶ前後方向に対して交差する方向)である。
外導体40は、所定形状の金属板材に曲げ加工等を施して前後方向に長い略角筒状に成形されたものであり、外導体40は、端子金具20と芯線16の前端部を包囲して、端子金具20と芯線16の前端部を電磁的にシールドする機能を有している。外導体40は、図7に示すアッパシェル41(請求項に記載の第1のシェル)と、図12に示すロアシェル52(請求項に記載の第2のシェル)とを合体させて構成されている。アッパシェル41とロアシェル52を合体させる方向は、誘電体23と同じく、上下方向(即ち、端子金具20とシールド電線15の端末部とが並ぶ前後方向に対して交差する方向)である。
シールドコネクタAは、次の手順で組み付けられる。まず、図8,9に示すように、アッパケース24をアッパシェル41内に組み付ける。組付け状態では、アッパケース24が、アッパシェル41の左右両内側面板部43の間に挟まれ、アッパケース24の上面がアッパシェル41の上面板部42の下面に密着又は接近して対向する。また、アッパケース24の上面突起29がアッパシェル41の上面係止部46に嵌合し、アッパケース24の第1側面突起30と第2側面突起33が、夫々、アッパシェル41の第1側面係止部47と第2側面係止部48に嵌合する。以上により、アッパケース24とアッパシェル41が、前後方向、左右方向及び上下方向への相対変位を規制された位置決め状態となり、組付け状態に保持される。
本実施例のシールドコネクタAは、シールド電線15の芯線16に接続された端子金具20と、誘電体23と、アウタハウジング10とを備えている。誘電体23は、合成樹脂製であり、端子金具20を三次元方向に位置決め状態で収容する。誘電体23は、一対の半割体(アッパケース24とロアケース34)によって構成されている。アッパケース24とロアケース34は、端子金具20を挟むように合体することで誘電体23を構成している。アッパケース24とロアケース34は、端子金具20とこの端子金具20に接続された芯線16とが並ぶ前後方向に対して交差する上下方向において、分割及び合体が可能である。アウタハウジング10内には、外導体40と誘電体23とが収容されている。
本発明は上記記述及び図面によって説明した実施例に限定されるものではなく、例えば次のような実施例も本発明の技術的範囲に含まれる。
(1)上記実施例では、シールド電線の芯線がツイストペア線を構成しているが、芯線は、シースの内部で互いに平行に配索されたものでもよい。
(2)上記実施例では、シールド電線が2本の芯線を1つのシールド層で包囲した形態であるが、シールド電線は、各芯線を個別のシールド層で包囲したものであってもよい。
(3)上記実施例では、シールド電線が芯線を個別に絶縁内皮で包囲したものであるが、シールド電線は、2本の芯線を1つの絶縁内皮で一括して包囲したものであってもよい。
(4)上記実施例では、1つの誘電体に2つの端子金具を収容したが、1つの誘電体に収容する端子金具の数は、1つでもよく、3つ以上でもよい。
(5)上記実施例では、一対の半割体(アッパケースとロアケース)が外導体を介すことによって合体状態に保持されているが、一対の半割体は、互いに直接係止することによって合体状態に保持されていてもよい。
(6)上記実施例では、外導体が一対のシェル(アッパシェルとロアシェル)を合体させた形態であるが、外導体は、単一部品であってもよい。
(7)上記実施例では、シールド電線のシースの外周と圧着部(アッパ側圧着部)との間でシールド層(編組線)を挟み付けることによってシールド層と外導体を接続したが、シールド層を外導体の外周に固着することによってシールド層と外導体を接続してもよい。
(8)上記実施例では、シールド層(編組線)を、シールド電線のシースの外周と第1のシェル(アッパシェル)の圧着部(アッパ側圧着部)との間で挟み付けたが、シールド層は、第1のシェル(アッパシェル)の圧着部(アッパ側圧着部)と、第2のシェル(ロアシェル)の圧着部(ロア側圧着部)との間で挟み付けてもよい。
(9)上記実施例では、第1のシェル(アッパシェル)と第2のシェル(ロアシェル)の両方をシールド電線の外周に圧着したが、シールド電線の外周に圧着するのは第1のシェルと第2のシェルのいずれか一方だけであってもよい。
(10)上記実施例では、シールド層を編組線としたが、シールド層は金属箔等であってもよい。
(11)上記実施例では、電線がシールド層を有するシールド電線であるが、本発明は、電線がシールド層を有しない非シールド電線である場合にも適用できる。この場合、誘電体を包囲する外導体を設けなくてもよい。
(12)上記実施例では、外導体を有するシールドコネクタに適用した形態について説明したが、本発明は、外導体を有しない非シールドタイプのコネクタにも適用できる。
(13)上記実施例では、誘電体と外導体をアウタハウジング内に収容したが、誘電体や外導体をアウタハウジング内に収容しない形態としてもよい。
(14)上記実施例では、一対の半割体を合体状態に位置決めする金属部材が、シールド機能を有する外導体として用いられているが、一対の半割体を合体状態に位置決めする金属部材とは別に、外導体を設けてもよい。
10…アウタハウジング
15…シールド電線(電線)
16…芯線
18…編組線(シールド層)
20…端子金具
23…誘電体
24…アッパケース(一方の半割体)
29…上面突起(位置決め用係止部)
30…第1側面突起(位置決め用係止部)
33…第2側面突起(位置決め用係止部)
34…ロアケース(他方の半割体)
36…下面突起(位置決め用係止部)
37…側面凹部(位置決め用係止部)
40…外導体(金属部材)
41…アッパシェル(第1のシェル)
44…アッパ側圧着部(圧着部)
49…嵌合孔(合体用第1係止部)
52…ロアシェル(第2のシェル)
55…ロア側圧着部(圧着部)
59…嵌合突起(合体用第2係止部)
Claims (5)
- 電線の芯線が接続される端子金具と、
前記端子金具を位置決め状態で収容可能な合成樹脂製の誘電体と、
前記端子金具を挟むように合体することで前記誘電体を構成する一対の半割体とを備え、
前記一対の半割体が合体及び分割する方向は、前記端子金具と、前記端子金具に接続された前記芯線とが並ぶ方向に対して交差する方向であることを特徴とするコネクタ。 - 金属部材と、
前記一対の半割体に形成され、前記金属部材に係止することで前記一対の半割体を合体状態に位置決めする位置決め用係止部とを備えていることを特徴とする請求項1記載のコネクタ。 - 前記金属部材が第1のシェルと第2のシェルを備えており、
前記第1のシェルは、前記一対の半割体が分割されている状態において一方の前記半割体に対しその外面を覆うように組み付けられ、
前記第2のシェルは、前記一対の半割体が分割されている状態において他方の前記半割体に対しその外面を覆うように組み付けられ、
前記第1のシェルには合体用第1係止部が形成され、
前記第2のシェルには合体用第2係止部が形成され、
前記合体用第1係止部と前記合体用第2係止部が互いに係止することで、前記第1のシェルと前記第2のシェルとが合体状態に保持されて前記金属部材を構成していることを特徴とする請求項2記載のコネクタ。 - 前記金属部材は、前記電線の外周に圧着される圧着部を備えていることを特徴とする請求項2又は請求項3記載のコネクタ。
- 前記電線が、前記芯線を包囲して前記芯線を電磁的にシールドするシールド層を有し、
前記金属部材が、前記シールド層に接続された状態で前記誘電体を包囲する外導体であることを特徴とする請求項2ないし請求項4のいずれか1項記載のコネクタ。
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US16/066,332 US10511116B2 (en) | 2016-01-13 | 2017-01-13 | Connector |
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2017
- 2017-01-13 WO PCT/JP2017/001018 patent/WO2017122779A1/ja active Application Filing
- 2017-01-13 DE DE112017000356.3T patent/DE112017000356T5/de not_active Ceased
- 2017-01-13 CN CN201780006279.6A patent/CN108463925A/zh active Pending
- 2017-01-13 JP JP2017561182A patent/JP6525221B2/ja active Active
- 2017-01-13 US US16/066,332 patent/US10511116B2/en active Active
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2019
- 2019-05-08 JP JP2019088219A patent/JP2019149379A/ja active Pending
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110021846A (zh) * | 2017-12-19 | 2019-07-16 | 矢崎总业株式会社 | 屏蔽连接器以及线束 |
JP2019216109A (ja) * | 2017-12-21 | 2019-12-19 | 株式会社オートネットワーク技術研究所 | シールド端子 |
US20220115822A1 (en) * | 2018-12-28 | 2022-04-14 | Autonetworks Technologies, Ltd. | Connector, and connector structure |
US11799247B2 (en) * | 2018-12-28 | 2023-10-24 | Autonetworks Technologies, Ltd. | Connector, and connector structure including inner conductor and outer conductor |
WO2021029199A1 (ja) * | 2019-08-09 | 2021-02-18 | 株式会社オートネットワーク技術研究所 | コネクタ |
JP2023033402A (ja) * | 2019-08-09 | 2023-03-10 | 株式会社オートネットワーク技術研究所 | コネクタ |
JP7389957B2 (ja) | 2019-08-09 | 2023-12-01 | 株式会社オートネットワーク技術研究所 | コネクタ |
WO2021145194A1 (ja) * | 2020-01-15 | 2021-07-22 | 株式会社オートネットワーク技術研究所 | シールドコネクタ |
JP2021111563A (ja) * | 2020-01-15 | 2021-08-02 | 株式会社オートネットワーク技術研究所 | シールドコネクタ |
JP7272283B2 (ja) | 2020-01-15 | 2023-05-12 | 株式会社オートネットワーク技術研究所 | シールドコネクタ |
Also Published As
Publication number | Publication date |
---|---|
DE112017000356T5 (de) | 2018-10-04 |
US20190006785A1 (en) | 2019-01-03 |
US10511116B2 (en) | 2019-12-17 |
CN108463925A (zh) | 2018-08-28 |
JPWO2017122779A1 (ja) | 2018-05-31 |
JP6525221B2 (ja) | 2019-06-05 |
JP2019149379A (ja) | 2019-09-05 |
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