WO2022185394A1 - Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur - Google Patents

Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur Download PDF

Info

Publication number
WO2022185394A1
WO2022185394A1 PCT/JP2021/007809 JP2021007809W WO2022185394A1 WO 2022185394 A1 WO2022185394 A1 WO 2022185394A1 JP 2021007809 W JP2021007809 W JP 2021007809W WO 2022185394 A1 WO2022185394 A1 WO 2022185394A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
connector
connection
electric wire
connector housing
Prior art date
Application number
PCT/JP2021/007809
Other languages
English (en)
Japanese (ja)
Inventor
清 齋藤
徹也 平岩
卓十 和田
槙二 河原木
甫 笠原
Original Assignee
古河電気工業株式会社
古河As株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 古河電気工業株式会社, 古河As株式会社 filed Critical 古河電気工業株式会社
Priority to JP2023503558A priority Critical patent/JPWO2022185394A1/ja
Priority to PCT/JP2021/007809 priority patent/WO2022185394A1/fr
Publication of WO2022185394A1 publication Critical patent/WO2022185394A1/fr

Links

Images

Classifications

    • 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
    • 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
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6463—Means for preventing cross-talk using twisted pairs of wires
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • H01R13/6476—Impedance matching by variation of conductive properties, e.g. by dimension variations by making an aperture, e.g. a hole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve

Definitions

  • the present invention relates to a connector housing that holds a connection terminal having a wire connecting portion to be connected to an electric wire having a conductor inside, a connector and an electric wire with a connector, a connector unit, and a method for manufacturing an electric wire with a connector.
  • Cables with connectors are used in vehicles such as automobiles to transmit and receive signals between electrical devices and to supply power to these electrical devices.
  • vehicles such as automobiles to transmit and receive signals between electrical devices and to supply power to these electrical devices.
  • a terminal portion of the electric wire with a terminal (that is, a connection terminal connected to the electric wire) is inserted into a terminal insertion hole formed through a connector housing. , the terminal is pushed into a terminal accommodating chamber (cavity) forming a part of the terminal insertion hole and held in the terminal accommodating chamber.
  • the electric wire when inserting the terminal portion of the electric wire with a terminal into the terminal insertion hole of the connector housing, the electric wire may buckle (bend) and the transmission characteristics and durability of the electric wire may deteriorate.
  • a twisted pair electric wire in which a pair of electric wires are twisted together, may be defined with a characteristic impedance.
  • the electric wire When a connection terminal connected to such a twisted pair electric wire is pushed into a terminal insertion hole, the electric wire may buckle and the distance between the electric wires may change. If the distance between the electric wires changes in this way, there is a possibility that a predetermined characteristic impedance cannot be obtained.
  • the present invention has been made in view of such problems, and is a connector in which a wire with a terminal is arranged in a connector housing without causing the wire to buckle, thereby suppressing deterioration in the transmission characteristics and durability of the wire due to buckling.
  • An object of the present invention is to provide a housing, a connector, an electric wire with a connector, a connector unit, and a method for manufacturing an electric wire with a connector.
  • the present invention provides a connector comprising: a conductive connection terminal having a wire connecting portion to be connected to an electric wire; and a dielectric connector housing for holding the connection terminal.
  • a connection portion arrangement portion is provided in which a wire connection portion is arranged, and the connector housing has an opening on the opposite side of the connection portion arrangement portion sandwiching the connection terminal in a state where the connection terminal is attached to the connector housing. It has a part.
  • the opening provided on the opposite side of the connecting portion placement portion with the connection terminal sandwiched therebetween may be an open portion including the portion facing the connecting portion placement portion of the connector housing. , may be partially provided openings. Also, the opening may remain open or may be closed in the state of use.
  • the electric wire when connecting an electric wire to a connection terminal held in a connector housing, the electric wire can be appropriately connected to the connection terminal without buckling. More specifically, in a state where the connection terminal is attached to the connector housing, a tool for connecting the wire connection portion and the wire to the wire connection portion arranged in the connection portion arrangement portion of the connector housing is directly inserted through the opening. It is possible to reliably connect the wire connecting portion and the wire.
  • the electric wire can be connected to the wire connecting portion after the connecting terminal is attached to the connector housing. It is possible to prevent the occurrence of troubles such as buckling of the connector, and suppress deterioration of the transmission characteristics and durability of the electric wire due to the buckling of the electric wire connected to the connector.
  • the tool for connecting the wire connection portion and the wire described above may be a pair of tools for sandwiching and connecting the wire and the wire connection portion, such as a so-called anvil and crimper, or laser welding or ultrasonic welding. It may also be a welding tool such as a welder.
  • the connector housing may have a fixing structure for fixing the connection terminal.
  • the wire connection portion of the connection terminal fixed to the connector housing can be fixed to the connection portion placement portion. Therefore, a tool directly acting through the opening can reliably act on the wire splicing portion, and the wire splicing portion and the wire can be more firmly connected in the connected state.
  • the above-described fixing structure for fixing the connection terminal may be fixed at any position on the connection terminal, but the wire connection portion where the tool directly acts or the vicinity of the wire connection portion is preferable. Further, the fixing structure for fixing the connection terminal may be provided at any position in the connector housing as long as it does not interfere with the tool directly acting through the opening.
  • portions other than the opposite side corresponding to the connecting portion arrangement portion may be covered with the connector housing.
  • the connector housing covers the portion other than the opening through which the tool acts on the wire connecting portion arranged in the connecting portion placing portion, so that the connecting terminal can be protected by the connector housing. It is possible to stably fix the connection terminal.
  • the portion other than the opposite side corresponding to the connecting portion placement portion may be covered with the connector housing after the electric wire and the connection terminal are connected, or may be covered with a separate connector housing after the electric wire and the connection terminal are connected. may be covered prior to connection with
  • the connecting portion arrangement portion allows at least one of a pair of tools for sandwiching and connecting the electric wire and the electric wire connecting portion to pass through or temporarily exist. It has a through hole for
  • a connector having a conductive connection terminal, a dielectric connector housing for holding the connection terminal, and an electric wire having an end portion connected to the connection terminal.
  • the connection terminal is arranged in the connector housing such that the wire connection portion is arranged in the connection portion arrangement portion of the connector housing.
  • one of the pair of tools arranged on the side opposite to the side where the wire connecting portion is arranged with respect to the connector housing is connected to the connector housing by: It is inserted into a through-hole formed through the pair of tools in the sandwiching direction, and presses the wire connecting portion by directly contacting the wire connecting portion.
  • the present invention also provides a dielectric connector housing that holds a conductive connection terminal provided with a wire connection portion that is connected to an electric wire having a conductor inside, wherein the wire connection portion is arranged.
  • a connection portion placement portion is provided, and the connection portion placement portion allows at least one of a pair of tools for sandwiching and connecting the wire and the wire connection portion to pass through or temporarily exist. It has a through hole for
  • the present invention also provides an electric wire having a conductor inside, a conductive connection terminal provided with a wire connecting portion electrically connected to the electric wire, and a dielectric connector housing for holding the connection terminal.
  • the connector housing is provided with a connection portion arrangement portion in which the wire connection portion is arranged, and the connection portion arrangement portion sandwiches and connects the electric wire and the wire connection portion. It has a through hole that allows at least one of the pair of tools to pass through or to exist temporarily. According to the present invention, when connecting an electric wire to a connection terminal held in a connector housing, the electric wire and the connection terminal can be appropriately connected without buckling the electric wire.
  • connection portion arrangement portion and the wire arranged in the wire connection portion are sandwiched from both sides by a pair of tools (pressure tools) and connected to each other.
  • the connector housing having dielectric property and holding the conductive connection terminal having the wire connection portion is provided with the connection portion placement portion and the through hole, and the connection portion placement portion and the through hole are arranged in the connection portion placement portion.
  • a pair of tools are used to connect the wire connection portion and the wire connection portion.
  • the wire connecting portion and the wire can be connected by sandwiching the wire between the two. Therefore, the electric wire and the connection terminal can be appropriately connected without buckling the electric wire. Therefore, it is possible to suppress deterioration in transmission characteristics and durability of the electric wire due to buckling of the electric wire connected to the connector.
  • the electric wire and the connection terminal when connecting an electric wire to a connection terminal held in a connector housing, the electric wire and the connection terminal can be appropriately connected without buckling the electric wire. Therefore, it is possible to suppress deterioration in transmission characteristics and durability of the electric wire due to buckling of the electric wire connected to the connector.
  • the through-hole may be provided with a size and shape that match the characteristic impedance of the connection portion of the electric wire to the connector housing so as to satisfy a predetermined range.
  • matching can be achieved so that the characteristic impedance of the connecting portion of the electric wire to the connector housing falls within a predetermined range according to the size and shape of the through hole formed in the connector housing.
  • a twisted pair electric wire formed by twisting two electric wires is provided, and each end of the two electric wires is arranged in the electric wire connection part in a state of untwisting.
  • An untwisted portion may be formed.
  • the characteristic impedance of the connector housing portion of the electric wire is adjusted according to the size and shape of the through hole formed in the connector housing. Matching can be done so that it falls within a predetermined range.
  • the characteristic impedance is within a predetermined range, preferably within a range of 95 to 140 ⁇ , more preferably 120 ⁇ 10%. indicates a range of 90 to 110 ⁇ , that is, 100 ⁇ 10%.
  • connection portion placement portions are spaced apart from each other and arranged side by side on the surface of the connector housing provided with the connection portion placement portion, and the through hole is provided in the connection portion.
  • Each part corresponding to the placement part may be provided separately from each other.
  • the present invention by forming the through-hole in the connector housing in the manner described above, it is possible to suppress the reduction (effect of reduction) of the characteristic impedance in the connector portion of the electric wire due to the existence of the connector housing having dielectric properties. , can be matched to a predetermined value with high accuracy. Therefore, even if the characteristic impedance in the connector housing portion of the electric wire deviates from the predetermined characteristic impedance, it can be matched with a predetermined value with high accuracy.
  • connection portion placement portions are arranged in parallel and spaced apart from each other on the surface of the connector housing provided with the connection portion placement portion, and the through holes are arranged in parallel with each other. It may be provided across a portion corresponding to the connecting portion arrangement portion.
  • the present invention it is possible to reduce the reduction (effect of reduction) of the characteristic impedance in the connector portion of the electric wire due to the presence of the dielectric connector housing.
  • the through-holes can be greatly suppressed compared to the case where the through-holes are provided separately for each portion corresponding to the connection portion arrangement portion, and as a result, the deviation from the predetermined value can be greatly reduced. Impedance matching can be achieved.
  • the through hole is a first through hole, and in the connector housing, at least the other of the pair of tools passes through or temporarily passes through a portion facing the first through hole in the connector housing. It may have a second through-hole that permits the existence of the second through-hole, and the second through-hole may be the opening.
  • the through hole is the first through hole, and at least one of the pair of tools is provided in the connector housing at a location facing the first through hole. It has a second through hole that allows the other tool to pass through or temporarily exist, and the other tool is inserted into the second through hole and directly abuts the wire connecting portion. may pressurize the wire connection portion.
  • the connector housing has the first through-hole in the connection portion placement portion and the second through-hole in a portion facing the connection portion placement portion. Therefore, when the wire connection portion and the wire are crimped and connected, the wire connection portion and the wire can be connected by the tool without the tool interfering with the connection portion arrangement portion and the portion facing the connection portion arrangement portion. It can be directly pinched and crimped.
  • the connector housing has the first through hole and the second through hole, so that not only the first through hole but also the size and size of each of the first through hole and the second through hole Based on the shape, matching can be achieved so that the characteristic impedance of the connecting portion of the wire to the connector housing satisfies a predetermined range.
  • the connector housing and a connector housing cover assembled to the connector housing so as to house the connection terminals together with the connector housing may constitute an assembly type connector housing. According to the present invention, by accommodating the connection terminals inside the connector housing and the connector housing cover, it is possible to protect the connection portions between the connection terminals and the electric wires from external factors.
  • the wire connecting portion may be provided with a pressure contact piece.
  • the wire connection portion since the wire connection portion is provided with the pressure contact piece that can be press-contacted by piercing the wire, it is not necessary to peel off the insulation coating portion of the wire. Moreover, the pressure contact piece does not need to be plastically deformed by pressure when it is connected to the insulation coating. Therefore, the wire connecting portion can be configured compactly, and the through hole into which at least one of the tools is inserted can be made compact in the pair of tools for pressurizing the connection terminal and the connector housing.
  • the wire connecting portion may be provided with a crimping piece (barrel piece).
  • a crimping piece barrel piece
  • the wire and the connection terminal can be connected in a state where the conductor at the end of the wire is crimped so as to be covered by the crimping piece. Therefore, the connection terminal can be connected to the electric wire with excellent connection strength even in the state of being arranged in the connector housing.
  • the present invention is characterized by a connector unit comprising a plurality of the above connectors and a unit housing for holding the plurality of connectors.
  • a connector unit comprising a plurality of the above connectors and a unit housing for holding the plurality of connectors.
  • the number of poles can be increased compared to the case of using a single connector. Therefore, for example, even if the number of poles of the connector is increased as the performance and function of the electric equipment mounted on the vehicle are improved, the connector can be reliably and efficiently connected to the connector of the connection partner.
  • the connection portion between the wire connection portion and the wire is exposed to water through the through hole.
  • the through-hole can be covered with the unit housing to prevent the leakage, and as a result, the waterproofness of the connecting portion can be improved.
  • a connector having a conductive connection terminal and a dielectric connector housing for holding the connection terminal; and an electric wire having an end portion connected to the connection terminal.
  • the connector housing is provided with a connection portion arrangement portion in which the electric wire connection portion is arranged while holding the connection terminal.
  • a wire arranging step of arranging the end portion of the wire in the wire connection portion, and a wire connection step of sandwiching the wire connection portion and the wire from both sides and connecting them to each other by the pair of pressure means are performed in this order,
  • one of the pair of pressure means is arranged on the side opposite to the side having the connection portion arrangement portion in the sandwiching direction of the pressure means, and presses the wire connection portion through the connector housing.
  • One of the pressing means presses the wire connection portion via the pressurized portion of the connector housing.
  • the present invention also provides a dielectric connector housing that holds a conductive connection terminal and is provided with a wire connection portion that is connected to an electric wire having a conductor inside, wherein the wire connection portion is arranged. Destruction of the connector housing when a connection portion arrangement portion is provided, and the wire connection portion arranged in the connection portion arrangement portion and the wire are sandwiched and connected by a pair of pressure means. Alternatively, it is a high-strength portion that is resistant to deformation and has a higher strength than other portions.
  • the present invention provides a conductive connection terminal provided with a wire having a conductor inside and a wire connection portion electrically connected to the wire, and a dielectric connector housing holding the connection terminal.
  • the connector housing is provided with a connection portion arrangement portion in which the wire connection portion is arranged, and the connection portion arrangement portion is connected to the wire connection arranged in the connection portion arrangement portion. It is formed as a high-strength portion having high strength relative to other portions, which suppresses destruction or deformation of the connector housing when the portion and the electric wire are sandwiched and connected by a pair of pressurizing means.
  • the electric wire and the connection terminal when connecting an electric wire to a connection terminal held in a connector housing, the electric wire and the connection terminal can be appropriately connected without buckling of the electric wire.
  • the wire connection portion arranged in the connection portion arrangement portion and the wire arranged in the wire connection portion are sandwiched from both sides by a pair of pressure means and connected to each other.
  • one of the pair of pressure means in the sandwiching direction is arranged on the opposite side of the connector housing to the side of the connector housing where the connection portion is arranged. Therefore, when connecting the wire connection portion and the wire, one of the pressure means indirectly presses the wire connection portion through the connector housing.
  • the connector housing is directly pressurized by one of the pressurizing means.
  • a portion directly pressurized by one of the pressure means is defined as a pressurized portion, and the pressurized portion is the electric wire arranged in the connecting portion arrangement portion.
  • the connection arrangement portion is provided with a high-strength portion having a higher strength than other portions. is adopted.
  • the wire connection portion is arranged in the connection portion arrangement portion. After that, the end of the wire can be placed in the wire splice. That is, according to the present invention, it is possible to dispose the end portion of the electric wire and the electric wire connection portion separately inside the connector housing, so that it is possible to insert them into the connector housing while being connected to each other. can be inserted smoothly.
  • the connector is broken during insertion. There is concern that it will easily get caught on the inner wall of the housing and buckle.
  • the end portion of the wire and the wire connection portion can be placed inside the connector housing before they are connected to each other. It can be inserted smoothly without buckling.
  • the wire connecting portion and the wire can be connected by the pair of pressurizing means without the connector housing being destroyed or deformed and the wire being buckled. Therefore, it is possible to suppress deterioration in transmission characteristics and durability of the electric wire due to buckling of the electric wire connected to the connector.
  • the pair of pressurizing means is not particularly limited as long as it is configured to connect the wire connection portion and the wire by pressurization (pressing).
  • the pair of pressurizing means is not limited to a pair of tools. It may be formed by a pressure member other than a tool, such as a mounting surface.
  • one of the pair of pressurizing means is composed of a movable tool (eg, a movable tool (anvil) as one of the tools), and the other pressurizing means is a support surface (fixed surface other than the tool).
  • a movable tool eg, a movable tool (anvil) as one of the tools
  • the other pressurizing means is a support surface (fixed surface other than the tool).
  • the one pressurizing means and the other pressurizing means are used regardless of whether a tool or a pressurizing member other than a tool is employed as at least one of the pressurizing means. At least one of them may be movable. For example, a configuration may be employed in which both of the pair of pressurizing means are movable.
  • the direction in which the wire connecting portion and the wire are sandwiched by the pair of pressure means, that is, the pressure direction is not limited to the vertical direction, and may be other directions than the vertical direction.
  • the high-strength portion is provided with a size and shape that match the characteristic impedance of the connection portion of the electric wire to the connector housing within a predetermined range.
  • the high-strength portion has a size and shape that match the characteristic impedance of the connecting portion within a predetermined range, thereby matching the characteristic impedance within a predetermined range.
  • the characteristic impedance of the connecting portion changes.
  • the size and shape can be set.
  • the high-strength portion is provided with a protruding portion that protrudes the pressure-applied portion of the connector housing toward the one pressure means with respect to the periphery of the pressure-applied portion. It is a thing. According to this aspect of the invention, by providing the raised portion in the high-strength portion of the connector housing, it is possible to thicken and reinforce the pressurized portion of the connector housing.
  • the characteristic impedance of the connection portion tends to be lower than when the raised portion is not provided.
  • the characteristic impedance of the connection portion of the electric wire to the connector housing is higher than a predetermined range, by providing the raised portion in the high-strength portion, the characteristic impedance of the connection portion satisfies the predetermined range. can be matched to lower
  • the raised portion is not limited to a structure in which the entire pressurized portion, that is, the entire high-strength portion is raised compared to other portions. may adopt a configuration in which the is partially protruded like a rib.
  • the high-strength portion is provided with a high-strength member having a higher strength than the other portions. According to the above configuration, by providing the high-strength portion with a high-strength member, it is possible to increase the strength of the pressurized portion while suppressing thickening of the pressurized portion as compared with other portions. can be done. Therefore, the strength of the pressurized portion can be increased without increasing the size of the connector housing.
  • the material of the high-strength member is not particularly limited as long as it is a member having higher strength than the other portions.
  • the high-strength portion and the other portion of the connector housing are made of a synthetic resin material, the high-strength portion has a higher strength than the other portion.
  • a different kind of synthetic resin material than the part can be employed.
  • the high-strength portion may be, for example, provided with the high-strength member at a portion corresponding to the high-strength portion at the time of molding the connector housing, and integrally molded together with other portions, Alternatively, the high-strength member may be formed by attaching the high-strength member to the other portion by adhesion, welding, or the like after molding only the other portion without the high-strength portion.
  • the high-strength member when employed as the high-strength portion, is formed of a material that matches the characteristic impedance of the connection portion of the electric wire to the connector housing within a predetermined range. preferably.
  • the other portion of the connector housing is formed only of a non-metallic material, and the high-strength portion is made of a metal member.
  • the strength can be remarkably increased as compared with the case where the high-strength portion is formed from a synthetic resin material, for example.
  • the connector housing has a through hole at a location facing the connecting portion arrangement portion, through which the pressure means passes through or is allowed to exist temporarily. be.
  • the wire connection portion and the wire when the wire connection portion and the wire are connected, the wire connection portion and the wire are pushed to one side in the sandwiching direction via the high-strength portion provided at the pressurized portion by one of the pressure means. It is possible to pressurize the wire connecting portion and the wire directly from the other side in the sandwiching direction through the through hole by the other pressure means.
  • the connector housing may be provided with a cover and formed separately from the housing main body, or may be formed integrally with portions respectively corresponding to the housing main body and the cover. Even in this case, the wire connecting portion and the wire can be connected to each other while being arranged inside the connector housing.
  • the connector housing has the high-strength portion and the through-hole, so that not only the size and shape of the high-strength portion but also the size and shape of each of the high-strength portion and the through-hole are used.
  • the characteristic impedance of the connecting portion of the electric wire to the connector housing can be matched more finely so as to be within a predetermined range.
  • the connector housing and a connector housing cover assembled to the connector housing so as to house the connection terminals inside together with the connector housing constitute an assembly type connector housing. According to the present invention, by accommodating the connection terminals inside the connector housing and the connector housing cover, it is possible to protect the connection portions between the connection terminals and the electric wires from external factors.
  • the wire connecting portion is provided with a press-contact piece that pierces and press-contacts the conductor at the end portion of the wire covered with an insulating coating until it comes into contact with the conductor.
  • the wire connecting portion can be configured compactly, and the pressurizing means for pressurizing the connection terminal can also be compactized.
  • the high-strength portion pressurized by the pressurizing means can also be made compact.
  • the present invention may comprise a connector unit that includes a plurality of the connectors described above, a unit housing that holds the plurality of connectors, and the unit housing that holds the plurality of connectors.
  • the connector by holding a plurality of connectors in the unit housing, it is possible to increase the number of poles compared to using a single connector. Therefore, for example, even if the number of poles of the connector is increased as the performance and function of the electric equipment mounted on the vehicle are improved, the connector can be reliably and efficiently connected to the connector of the connection partner.
  • connection portion between the wire connection portion and the wire can be made through the through hole.
  • the through-hole can be covered with the unit housing so as not to be exposed to water, and as a result, the waterproofness of the connecting portion can be improved.
  • a connector housing, a connector, an electric wire with a connector, and a connector in which an electric wire with a terminal is arranged in the connector housing without buckling the electric wire, and a deterioration in transmission characteristics and durability of the electric wire due to buckling can be suppressed. It is possible to provide a unit and a method for manufacturing an electric wire with a connector.
  • FIG. 1 is an exploded perspective view of an electric wire with a connector according to a first embodiment
  • FIG. 4A is a longitudinal sectional view showing a state immediately before a wire connection step in the first embodiment
  • FIG. Fig. 2(b) is a longitudinal sectional view corresponding to Fig. 2(c) and a transverse sectional view corresponding to Fig.
  • FIG. 2 is a plan view showing the internal configuration of the assembly type connector housing for the electric wire with connector in the first embodiment, corresponding to FIG. 2(a);
  • FIG. 2A is a vertical cross-sectional view corresponding to FIG. 2C, and a cross section corresponding to FIG. A side view (b) and a cross-sectional view taken along line CC of FIG. 6 (c).
  • the plan view (a) corresponding to FIG. 2(a), the cross-sectional view (b) corresponding to FIG. 2(b), and FIG. FIG. 4(c) is a vertical cross-sectional view corresponding to c).
  • FIG. 2(a) is a vertical cross-sectional view corresponding to Fig. 2(c)
  • Fig. 2(b) is a lateral cross-sectional view corresponding to Fig. 2(b).
  • 2(a) is a plan view corresponding to FIG. 2(a), and a cross section is shown corresponding to FIG. Plan view (b).
  • FIG. 2(a) is a vertical cross-sectional view showing a state immediately before a wire connection step in the third embodiment
  • 2A and 2B are vertical cross-sectional views corresponding to FIG. 2C and cross-sectional views corresponding to FIG. Plan view (b).
  • FIG. 11 is an exploded perspective view showing a connector unit having a connector-equipped electric wire and a connection counterpart connector unit according to a third embodiment;
  • FIG. 19 is an external view of the connector unit shown in FIG. 18 viewed from the other side in the depth direction;
  • the top view (b) shown. 2A is a plan view showing a connector housing according to another modification of the first embodiment corresponding to FIG. 2A;
  • FIG. 2A is a connector housing according to another modification of the second embodiment;
  • FIG. 24(a) is a plan view of the connector housing, (b) is a sectional view taken along the line AA of FIG. 24(a), and (c) is a sectional view taken along the line BB of FIG. 24(a).
  • the top view which showed the mode of the terminal arrangement
  • FIG. 24( a ) is a vertical cross-sectional view corresponding to FIG. 24( c )
  • (b) is a cross-sectional view corresponding to FIG. Fig. 24(a) is a longitudinal sectional view corresponding to Fig. 24(c), and Fig.
  • FIG. 24(b) is a lateral cross-sectional view corresponding to Fig. 24(b), respectively, showing a state of a wire connection step in the sixth embodiment
  • FIG. 24A is a plan view showing the internal configuration of an assembly-type connector housing for an electric wire with a connector according to a sixth embodiment, corresponding to FIG. 24(a); 24(a) and 24(c), respectively, showing the internal structure of an assembly type connector housing for an electric wire with a connector according to the sixth embodiment
  • FIG. 11 is an exploded perspective view showing a connector unit having a connector-equipped electric wire and a connection counterpart connector unit according to an eighth embodiment
  • FIG. 36 is an external view of the connector unit shown in FIG. 35 viewed from the other side in the depth direction; The exploded perspective view of the electric wire with a connector which concerns on the modification of 6th Embodiment.
  • FIG. 24 The cross-sectional view (b) shown corresponding to the top view (a) and FIG.24(b) shown corresponding to Fig.24 (a) of the electric wire with a connector which concerns on the modification of 6th Embodiment.
  • FIG. 43 is a plan view showing the internal structure of an assembly type connector housing for an electric wire with a connector according to another modification of the first embodiment, corresponding to FIG. 43(a); Fig. 43(a) and Fig.
  • FIG. 43(b) respectively show the internal configuration of an assembly type connector housing for an electric wire with a connector according to another modification of the first embodiment, corresponding to Fig. 43(c).
  • FIG. 8 is an exploded perspective view of a connector-equipped electric wire of still another modification of the first embodiment;
  • FIG. 48 is a plan view showing the internal configuration of an assembly-type connector housing for an electric wire with a connector according to still another modification of the first embodiment, corresponding to FIG. 48(a); 48(a) and 48(b) show the internal structure of an assembly type connector housing for an electric wire with a connector according to still another modification of the first embodiment, corresponding to FIG. 48(c). Corresponding transverse cross-sectional view (b) and cross-sectional view taken along the line CC of FIG. 50 (c).
  • FIG. 11 is an exploded perspective view of a connector-equipped electric wire of another modification of the sixth embodiment; The perspective view which looked at the electric wire with a connector of another modification of 6th Embodiment from the downward direction. The top view which showed the mode of the terminal arrangement
  • FIG. 11 is a plan view showing the internal configuration of an assembly type connector housing for an electric wire with a connector according to another modification of the sixth embodiment; Cross-sectional views (a) and (b) showing the internal configuration of an assembly type connector housing for an electric wire with a connector according to another modification of the sixth embodiment, and a cross-sectional view taken along the line CC in FIG. 56 . (c).
  • FIG. 11 is an exploded perspective view of a connector-equipped electric wire of still another modification of the sixth embodiment; The perspective view which looked at the electric wire with a connector of another modification of 6th Embodiment from the downward direction. The top view which showed the mode of the terminal arrangement
  • FIG. 11 is an exploded perspective view of a connector-equipped electric wire of still another modification of the sixth embodiment; The perspective view which looked at the electric wire with a connector of another modification of 6th Embodiment from the downward direction. The top view which showed the mode of the
  • FIG. 11 is a plan view showing the internal structure of an assembly type connector housing for an electric wire with a connector according to still another modification of the sixth embodiment;
  • Cross-sectional views (a) and (b) showing the internal configuration of an assembly-type connector housing for an electric wire with a connector according to still another modification of the sixth embodiment, and a cross-section taken along the line CC in FIG. 61.
  • FIG. 4 is an exploded perspective view showing a connector unit having a connector-equipped electric wire and a connection counterpart connector unit;
  • FIG. 64 is an external view of the connector unit shown in FIG. 63 viewed from the other side in the depth direction;
  • the connector-equipped wire 1 of the first embodiment includes an assembly type connector housing 2 , two covered wires 3 , and two connection terminals 4 .
  • the connector 5 is composed of the assembly type connector housing 2 and the connection terminals 4 held therein.
  • the longitudinal direction, the lateral direction, and the thickness direction of the assembly type connector housing 2 are defined as the front-rear direction, the width direction, and the vertical direction, respectively.
  • the arrow R indicates the right direction
  • the arrow L indicates the left direction.
  • the covered electric wire 3 has a conductor 31 made of a conductive material and an insulating coating 32 made of an insulating material covering the entire outer periphery of the conductor 31 .
  • the conductor 31 employs a copper core wire formed by bundling a plurality of wires made of copper or its alloy, but the conductor 31 may be formed of a single wire. good.
  • the material of the conductor 31 can be other than copper or its alloy depending on the purpose, etc., and the conductor 31 can be a conductor having high conductivity only on the surface.
  • the conductor 31 is exposed by, for example, peeling off the insulating coating 32 at the end portion 33 of the covered wire 3 on the side connected to the connection terminal 4 (hereinafter referred to as the "wire end portion 33") in the length direction.
  • a conductor exposed portion 31a is formed.
  • a covered end portion 32a is formed on the base side (opposite side to the end side) of the exposed conductor portion 31a of the wire end portion 33. As shown in FIG.
  • the electric wire 1 with a connector has two covered electric wires 3 described above, and these two covered electric wires 3 constitute a twisted pair electric wire 35 formed by being twisted together. Then, untwisted (untwisted) portions 35 a are formed at the ends of the two covered wires 3 on the connection side to the connector 5 .
  • the untwisted portion 35a has an electric wire end portion 33 in which a conductor exposed portion 31a is formed.
  • the connection terminal 4 is a female terminal fitting, and is formed by punching a conductive metal plate into a predetermined terminal developed shape and then bending the punch.
  • the connection terminal 4 includes a box portion 41 , a transition portion 42 and a wire connection portion 43 .
  • a box portion 41, a transition portion 42, and a wire connection portion 43, which are arranged in series from front to back in this order, are integrally formed, and the connection terminal 4 is formed in an elongated shape.
  • the box portion 41 is formed in a rectangular tubular shape.
  • An elastic contact piece 41a (see FIG. 7(c)) is arranged inside the box portion 41 by folding back an extension portion extending forward from the front end of the bottom surface of the box portion 41.
  • a tab provided on a mating connection terminal male connection terminal
  • the elastic contact piece 41 a is urged against the tab inside the box portion 41 .
  • the mating connection terminal and the connection terminal 4 are electrically connected by bringing them into contact with each other.
  • the tabs provided on the mating connection terminals male connection terminals
  • the transition portion 42 is interposed between the box portion 41 and the wire connection portion 43, and is a portion that integrally connects these bottom surfaces.
  • the wire connection portion 43 is a portion that connects the wire end portion 33 of the covered wire 3 .
  • the wire connecting portion 43 has a wire barrel portion 44 on the front side and an insulation barrel portion 45 on the rear side.
  • both the wire barrel portion 44 and the insulation barrel portion 45 have barrel bottom surfaces 44a, 45a (see FIGS. 4(a), (b)) and left and right It is integrally constructed with a pair of barrel pieces 44b and 45b.
  • the pair of left and right barrel pieces 44b, 45b are formed so as to extend upward from the barrel bottom surfaces 44a, 45a toward the outer side in the width direction.
  • the wire barrel portion 44 and the insulation barrel portion 45 which are composed of the barrel bottom surfaces 44a and 45a and the barrel pieces 44b and 45b, are formed in an open barrel shape.
  • the wire barrel portion 44 crimps the exposed conductor portion 31a at the end portion 33 of the electric wire in the electric wire connection step described later (see FIGS. 5A and 5B).
  • the insulation barrel portion 45 crimps the coated end portion 32a on the wire end portion 33 side in the wire connection step (see FIG. 5A).
  • the insulation barrel portion 45 is formed to be one size larger than the wire barrel portion 44 so as to be able to hold the covering end portion 32a.
  • the connector-equipped electric wire 1 of the first embodiment includes a total of two connection terminals 4 corresponding to the two covered electric wires 3, respectively.
  • the assembly type connector housing 2 is composed of a housing body 2d and a cover 2u that covers the housing body 2d from above, and is formed in a rectangular parallelepiped shape as a whole.
  • the housing body 2d and the cover 2u, which constitute the assembly type connector housing 2 are both made of a dielectric (insulating) synthetic resin material.
  • At least one terminal accommodating chamber 6 is provided inside the assembly type connector housing 2 .
  • One connection terminal 4 is accommodated in one terminal accommodation chamber 6 .
  • two terminal accommodating chambers 6 are provided inside the assembly type connector housing 2 so that two connection terminals 4 can be accommodated therein. They are arranged side by side in the width direction.
  • the terminal accommodating chamber 6 is composed of an upper terminal accommodating recess 6u and a lower terminal accommodating recess 6d.
  • the upper terminal accommodating recess 6u is formed on the cover 2u so that the upper side (one side in the thickness direction) of the connection terminal 4 can be accommodated.
  • the lower terminal accommodating recess 6d is formed on the housing main body 2d so that the lower side (the other side in the thickness direction) of the connection terminal 4 can be accommodated.
  • the upper terminal housing recess 6u is formed in a recessed shape that opens downward on the lower surface of the cover 2u so that the connection terminal 4 can be fitted into the cover 2u from below. Further, the lower terminal accommodating recess 6d is formed in a concave shape with an upper surface of the housing body 2d open upward so that the connection terminal 4 can be fitted into the housing body 2d from above.
  • the cover 2u has a flat bottom surface instead of a concave shape, and only the upper surface of the housing body 2d has a concave shape. configuration may be employed.
  • the lower terminal accommodating recess 6d is formed to a depth that allows the connection terminal 4 to be fitted in its entirety in the vertical direction.
  • the opening is configured to be closed from above by a cover 2u.
  • the housing body 2d includes a base portion 21, a front wall portion 22, a rear wall portion 23, left and right side wall portions 24, 24 and a partition wall portion 25, which are integrally formed.
  • the base portion 21 forms the bottom plate of the housing main body 2d, and the upper surface of the portion of the base portion 21 corresponding to the lower terminal accommodating recess 6d in plan view forms the bottom surface of the lower terminal accommodating recess 6d.
  • the rear wall portion 23, the partition wall portion 25, and the left and right side wall portions 24, 24 are all formed in a vertical wall shape with a height slightly lower than the height of the attached connector housing 2.
  • the front wall portion 22 is formed in the shape of a vertical wall having substantially the same height as the attached connector housing 2 .
  • the upper portion of the front wall portion 22 is formed to protrude upward in a stepped manner from the upper surfaces of the pair of left and right side wall portions 24, 24 and the partition wall portion 25 (see FIG. 1).
  • the side wall portions 24, 24 extend in the front-rear direction at both ends in the width direction of the housing body 2d. Therefore, the side walls 24 , 24 connect the widthwise ends of the front wall 22 and the rear wall 23 .
  • the partition wall portion 25 extends in the front-rear direction so as to partition the box portion arrangement regions 61 on the left and right sides, which will be described later, in the width direction.
  • the lower terminal accommodating recess 6d includes a box portion arrangement region 61, and a wire connecting portion arrangement area 62 .
  • the box portion arrangement area 61 the box portion 41 of the connection terminal 4 arranged so as to be fitted into the lower terminal accommodating recess 6d from above is arranged.
  • the wire connection portion arrangement area 62 the wire connection portion 43 and the transition portion 42 of the connection terminal 4 arranged so as to be fitted into the lower terminal accommodating recess 6d from above are arranged.
  • the inner wall of the lower terminal accommodating recess 6d faces the inner space of the lower terminal accommodating recess 6d by means of the vertical wall-shaped front wall 22, rear wall 23, side walls 24, 24, and partition wall 25. is formed as
  • the box portion arrangement areas 61 in the lower terminal accommodating recesses 6d on the left and right sides are partitioned in the width direction by the partition wall portions 25 as described above. Further, the box portion arrangement area 61 is formed slightly wider than the width of the box portion 41 by the partition wall portion 25 and the side wall portions 24, 24 corresponding to the left and right sides so that the box portion 41 can be fitted therein (see FIG. 6). and FIG. 7(c)).
  • the box portions 41 of the two connection terminals 4 are arranged so as to be fitted into the box portion arrangement areas 61 provided in concave shapes on the left and right sides of the upper surface of the housing body 2d, respectively.
  • the box portion 41 is fitted and held in the width direction by the inner walls of the box portion arrangement area 61 formed by the side wall portions 24, 24 corresponding to the left and right sides and the partition wall portion 25, respectively.
  • the housing main body 2d By holding the box portion 41 in the width direction in the box portion arrangement area 61, the housing main body 2d is arranged such that the connection terminal 4 itself is fitted into the lower terminal accommodating recess portion 6d. It can be held in the width direction.
  • connection terminals 4 are held by the housing main body 2d is not limited to the above configuration in which the connection terminals 4 are held by fitting the box portions 41 into the box portion arrangement regions 61 of the lower terminal accommodating recesses 6d.
  • the housing main body 2d is provided with an engaging portion or the like that engages with the connecting terminal 4 arranged to be fitted into the lower terminal accommodating recess 6d on the inner wall of the lower terminal accommodating recess 6d.
  • a configuration in which the connection terminal 4 is held by an engaging portion or the like may be employed.
  • the engaging portion and the like may employ a known structure, and may have, for example, a shape like the engaging projection 29d shown in FIG.
  • the housing body 2d of the first embodiment is provided rearwardly of the box portion arrangement areas 61 on the left and right sides.
  • a concave wide recess 7 is formed on the upper surface.
  • the wide concave portion 7 partially includes wire connection portion arrangement areas 62 on the left and right sides, and the bottom surface is formed by the upper surface of the base portion 21 so as to have the same depth as the wire connection portion arrangement areas 62 . Further, the inner wall of the wide concave portion 7 is formed by the left and right side wall portions 24, 24, the rear wall portion 23, and the rear end of the partition wall portion 25 so as to be surrounded by them.
  • the inner walls of the widthwise outer ends of the wide recessed portion 7 are wider than the inner walls of the widthwise outer ends of the box portion arrangement regions 61 corresponding to the left and right sides, respectively. It is formed wide so as to be positioned outward in the direction. Further, the wide concave portion 7 is formed so as to straddle the wire connection portion arrangement regions 62 in the width direction including the wire connection portion arrangement regions 62 on the left and right sides spaced apart in the width direction of the housing body 2d. ing. In other words, the wide recesses 7 are formed so as to communicate with each other in the width direction without being partitioned by the partition walls 25 in the width direction.
  • the rear ends of the box portion placement areas 61 on the left and right sides are opened toward the wide recessed portions 7, and the box portion placement areas 61 on the left and right sides and the wide recessed portions 7 communicate with each other in the front-rear direction.
  • the housing main body 2d is formed with the wide concave portion 7 having the electric wire connecting portion arrangement areas 62 on the left and right sides in part in the width direction.
  • a pair of tools 81 and 82 (here, an upper side tool which is a pressure tool) for crimping the covered wire 3 and the connection terminal 4 in a wire connection step to be described later.
  • an upper side tool which is a pressure tool
  • interference between the upper tool 81 and the housing body 2d is particularly avoided (see FIGS. 5(a) and 5(b)).
  • the upper tool 81 is lowered from above to the wire connection portion 43 arranged in the housing body 2d. Since the lowered upper tool 81 enters the recessed space of the wide recess 7, interference between the upper tool 81 and the housing body 2d can be avoided.
  • the front wall portion 22 of the housing body 2d has insertion holes for inserting tabs of mating connection terminals (male connection terminals) to be connected to the connection terminals 4.
  • 22a is formed. Specifically, insertion holes into which the tabs of the mating connection terminals are inserted from the front are located on the left and right sides of the front wall portion 22 corresponding to the lower terminal housing recesses 6d in a front view (from the front to the rear). 22a is formed through in the front-rear direction.
  • the rear wall portion 23 of the housing body 2d is formed with a wire placement recess 23a in which the coated wire 3 is placed.
  • the electric wire arrangement recesses 23a in which the covered electric wires 3 are arranged are located on the left and right sides of the rear wall portion 23 corresponding to the lower terminal accommodation recesses 6d in a rear view (viewed from the rear to the front). is formed in a concave shape with respect to the upper surface of the
  • the wire arrangement recess 23a is formed by connecting the covered wire 3 and the rear wall portion 23 in a state where the wire end portion 33 is arranged in the wire connection portion 43 of the connection terminal 4 arranged in the lower terminal accommodation recess 6d in the wire arrangement step to be described later. (see FIGS. 3 and 4(a)).
  • connection terminals 4 accommodated in the lower terminal accommodation recesses 6d are held so as not to be displaced in the front-rear direction. Specifically, the front ends of the connection terminals 4 accommodated in the lower terminal accommodation recesses 6 d abut against the rear surface of the front wall portion 22 . Further, the rear ends of the connection terminals 4 accommodated in the lower terminal accommodation recesses 6 d abut against the front surface of the rear wall portion 23 . In this manner, the front and rear ends of the connection terminals 4 accommodated in the lower terminal accommodation recesses 6d abut against the front wall portion 22 and the rear wall portion 23, so that the connection terminals 4 are positioned in the front-rear direction with respect to the lower terminal accommodation recesses 6d. position is restricted.
  • a through hole 10 is formed through the housing body 2d in the vertical direction in the wire connecting portion arrangement region 62 of the housing body 2d.
  • the through hole 10 is formed across the wire connecting portion arrangement regions 62 on the left and right sides of the housing body 2d that are spaced apart in the width direction.
  • the through-hole 10 is formed in a rectangular shape in plan view in the central portion of the bottom surface of the wide recess 7 excluding the peripheral edge.
  • the through hole 10 is formed when the housing body 2d is arranged with respect to the lower tool 82 (fixed tool: the tool to be fixed in the wire connection step) of the pair of tools 81 and 82 in the wire connection step described later. It is formed in such a size and shape that at least the lower tool 82 can be inserted through it (see FIGS. 4(a), (b) and FIGS. 5(a), (b)).
  • the through hole 10 has a size and shape that do not interfere with the housing body 2d when the lower tool 82 supports the wire connection portions 43 arranged in the wire connection portion arrangement areas 62 on the left and right sides from below. (see FIGS. 5A and 5B).
  • the through-hole 10 in the first embodiment has a pair of tools 81 and 82, the upper tool 81 (movable tool: the tool on the side that moves in the wire connection process) arranged above the housing body 2d. It is formed in a size and shape that does not interfere with the housing body 2d in the lowered state (see FIG. 5(b)).
  • the upper tool 81 movable tool: the tool on the side that moves in the wire connection process
  • the through hole 10 has a size and shape that match the characteristic impedance of the connecting portion 3C (see FIG. 7A) of the coated wire 3 to the attached connector housing 2 so that the characteristic impedance is within a predetermined range. formed.
  • the opposite side (upper side) of the wire connecting portion arrangement region 62 across the wire connecting portion 43 is open when the connection terminal 4 is attached.
  • the cover 2u includes a flat plate-like top plate portion 27 and cover side wall portions 28 extending downward from both sides of the top plate portion 27 in the width direction. , 28 are integrally formed.
  • the top plate portion 27 is configured to cover the housing body 2d including the front wall portion 22 from above.
  • the cover side wall portions 28, 28 are configured to cover the side wall portions 24, 24 from the outside in the width direction.
  • engaging protrusions 29d are formed on the outer surfaces of the side walls 24, 24 of the housing body 2d.
  • Engagement holes 29u that engage with the engagement projections 29d when the housing body 2d and the cover 2u are assembled are formed in portions of the cover side walls 28, 28 corresponding to the engagement projections 29d.
  • the connector-equipped wire 1 has connection terminals 4 inside an assembly-type connector housing 2 in which a housing body 2d and a cover 2u are assembled and integrated. and the wire end portion 33 are crimped and connected. As a result, in the connector-equipped wire 1 , the conductor exposed portion 31 a of the wire end portion 33 and the connection terminal 4 are electrically connected inside the attached connector housing 2 .
  • the manufacturing method of the electric wire 1 with a connector includes a terminal arranging process, an electric wire arranging process, an electric wire connecting process, and a cover assembling process.
  • the terminal arranging step is a step of arranging the connection terminals 4 on the housing main body 2d.
  • the wire placement step is a step of placing the wire end portion 33 in the wire connection portion 43 .
  • the wire connection step is a step of crimping and connecting the wire connection portion 43 and the covered wire 3 with a pair of tools 81 and 82 .
  • the cover assembling step is a step of assembling the cover 2u to the housing body 2d to complete the electric wire with connector 1. As shown in FIG.
  • a terminal arrangement step is performed to arrange the connection terminals 4 in the housing main body 2d.
  • the two connection terminals 4 are arranged from above the housing body 2d so as to fit into the left and right lower terminal accommodating recesses 6d provided in the housing body 2d (see FIG. 3).
  • the box portion 41 is held by the inner wall of the box portion placement region 61 in the lower terminal accommodating recess 6d.
  • the transition portion 42 and the wire connection portion 43 are arranged in a state of being fitted in the wire connection portion arrangement region 62 , that is, the wide concave portion 7 .
  • the wire connection portion 43 is arranged in the wire connection portion arrangement region 62 in a posture in which both the wire barrel portion 44 and the insulation barrel portion 45 face upward (FIGS. 3 and 4A and 4B). reference).
  • the wire end portion 33 is attached to the wire connection portion 43 of the connection terminal 4 placed in the lower terminal accommodating recess 6d. Place from above. At this time, the exposed conductor portion 31 a of the wire end portion 33 is arranged on the barrel bottom surface 44 a of the wire barrel portion 44 , and the covered end portion 32 a of the wire end portion 33 is arranged on the barrel bottom surface 45 a of the insulation barrel portion 45 .
  • the wire connection portion 43 having the wire end portion 33 disposed thereon is sandwiched between the pair of tools 81 and 82 from both sides in the vertical direction and crimped to connect to each other.
  • a pair of tools 81 and 82 consist of an upper tool 81 and a lower tool 82 .
  • the lower tool 82 is arranged below the wire connection portion 43 where the coated wire 3 is arranged, and the lower tool 82 is arranged above the wire connection portion 43. is set so that the upper tool 81 is arranged at
  • the lower tool 82 is inserted into the through hole 10 from below, and the upper surface (pressure surface 82 a ) of the lower tool 82 is brought into direct contact with the lower surface of the wire connecting portion 43 .
  • the lower tool 82 is in a state of supporting the wire connecting portion 43 on which the wire end portion 33 is arranged from below.
  • the upper tool 81 arranged above the wire end portion 33 is lowered.
  • the upper tool 81 and the lower tool 82 can crimp and connect the wire connection portion 43 and the wire end portion 33 so as to sandwich the wire connection portion 43 and the wire end portion 33 from above and below.
  • the wire barrel portion 44 is plastically bent so that the barrel piece 44b wraps around the outer circumference of the exposed conductor portion 31a of the wire end portion 33. Transform. As a result, the exposed conductor portion 31a is crimped by the wire barrel portion 44, and the exposed conductor portion 31a and the wire barrel portion 44 are brought into contact with each other and electrically connected to the wire end portion 33 and the connection terminal 4.
  • FIG. 5(a) and 5(b) the wire barrel portion 44 is plastically bent so that the barrel piece 44b wraps around the outer circumference of the exposed conductor portion 31a of the wire end portion 33. Transform.
  • the exposed conductor portion 31a is crimped by the wire barrel portion 44, and the exposed conductor portion 31a and the wire barrel portion 44 are brought into contact with each other and electrically connected to the wire end portion 33 and the connection terminal 4.
  • the insulation barrel portion 45 In the insulation barrel portion 45, the insulation barrel portion 45 is plastically deformed so that the barrel piece 45b wraps around the outer circumference of the covering end portion 32a. Thereby, as shown in FIG. 5(b), the covering end portion 32a is crimped by the insulation barrel portion 45. As shown in FIG. Therefore, the holding force with which the connection terminal 4 holds the wire end portion 33 can be increased as compared with the case where only the exposed conductor portion 31a and the wire barrel portion 44 are crimped.
  • the wire connection portion 43 is directly supported by the lower tool 82 inserted through the through hole 10 without the housing main body 2d. Furthermore, the upper tool 81 that descends and presses the wire connecting portion 43 is moved into the wide recess 7 and the through hole 10 from above (see FIG. 5(b)).
  • both the upper tool 81 and the lower tool 82 can crimp-connect the wire connection portion 43 and the wire end portion 33 without interfering with the housing body 2d. That is, both the wire connection portion 43 and the wire end portion 33 can be crimped to each other while being arranged in the housing body 2d.
  • connection terminal 4 of the electric wire with a terminal to which the electric wire end portion 33 and the electric wire connection portion 43 are connected is in a state of being fitted into the lower terminal accommodating recess 6d of the housing main body 2d.
  • the cover 2u covers from above the housing body 2d in which the connection terminals 4 of the electric wire with terminals are arranged. At this time, the engagement protrusion 29d on the housing main body 2d side and the engagement hole 29u on the cover 2u side are engaged and fixed.
  • the housing body 2d and the cover 2u can be assembled with each other while the connection terminals 4 of the electric wires with terminals are accommodated in the terminal accommodating chambers 6. , and the electric wire 1 with a connector can be produced.
  • the electric wire 1 with a connector includes a covered electric wire 3 having a conductor 31 therein, a metal connection terminal 4 having a wire connection portion 43 electrically connected to the covered electric wire 3, a connection terminal 4 and a dielectric housing body 2d that holds .
  • the housing body 2d is provided with a lower terminal accommodating recess 6d (connection portion placement portion) in which the wire connection portion 43 is placed.
  • connection portion placement portion connection portion placement portion
  • FIG. 3 the wire connection portion 43 arranged in the wire connection portion arrangement area 62 and the wire end portion 33 arranged in the wire connection portion 43 are shown in FIGS.
  • FIGS. As shown in (a) and (b), they are sandwiched by a pair of tools 81 and 82 from both sides and connected to each other.
  • a lower tool 82 (one pressurizing tool) arranged on the lower side (the side opposite to the side where the wire connection portion 43 is arranged) with respect to the housing body 2d is placed on the lower side ( A through hole 10 inserted from the opposite side) is formed through the housing body 2d in the vertical direction (the direction in which the pair of pressurizing tools are sandwiched) (see FIGS. 2A, 2B, and 2C). ).
  • the assembly includes the conductive connection terminal 4 having the wire connection portion 43 connected to the coated wire 3 and the dielectric housing main body 2d holding the connection terminal 4.
  • the housing main body 2d is provided with a wire connection portion arrangement area 62 in which the wire connection portion 43 is arranged, and the housing main body 2d is provided with the wire connection in a state where the connection terminal 4 is attached to the housing main body 2d. Since the upper portion U sandwiching the connection terminal 4 of the portion arrangement region 62 is open, the covered wire 3 can be connected without buckling when connecting the covered wire 3 to the connection terminal 4 held by the housing body 2d. Terminal 4 can be properly connected.
  • connection terminal 4 attached to the housing body 2d
  • the wire connection portion 43 and the covered wire 3 are connected to the wire connection portion 43 arranged in the wire connection portion arrangement area 62 of the housing body 2d.
  • the wire connecting portion 43 and the covered wire 3 can be reliably connected by directly applying a tool from the opening.
  • the connection terminal 4 with the covered wire 3 connected to the wire connection portion 43 can be attached to the housing body 2d. It prevents the occurrence of defects such as buckling of the covered electric wire 3 when it is mounted, and prevents deterioration of the transmission characteristics and durability of the covered electric wire 3 due to the buckling of the covered electric wire 3 connected to the assembly type connector housing 2. can be suppressed.
  • the housing main body 2 d has a fixing structure for fixing the connection terminal 4 , the wire connection portion 43 of the connection terminal 4 fixed to the housing main body 2 d can be fixed to the wire connection portion arrangement area 62 . Therefore, a tool that directly acts through the opening can reliably act on the wire connection portion 43, and the wire connection portion 43 and the covered wire 3 can be more firmly connected in the connected state.
  • the connection terminal 4 can be protected by the housing body 2d, and the connection terminal 4 can be stably fixed to the housing body 2d.
  • the covered wire 3 and the connection terminal 4 can be properly connected without the covered wire 3 buckling. Therefore, the durability of the covered electric wire 3 connected to the housing main body 2d can be ensured, and the transmission loss can be suppressed.
  • the covered electric wire 3 and the connection terminal 4 are connected separately in a state in which the covered electric wire 3 and the connection terminal 4 are not connected to each other. , are placed in the housing body 2d constituting the connector 5, and the covered wires 3 and the connection terminals 4 are connected in this state.
  • the wire connection portion 43 arranged in the wire connection portion arrangement area 62 of the lower terminal accommodating recess 6d and the wire end portion 33 arranged in the wire connection portion 43 are separated from both sides by a pair of tools.
  • the covered wire 3 and the connection terminal 4 are connected to each other by being sandwiched by 81 and 82 .
  • the lower tool 82 is inserted through the through-hole 10 formed vertically through the wire connection portion arrangement area 62 in the housing body 2d, and the wire connection portion 43 arranged in the wire connection portion arrangement area 62 is lowered.
  • the side tool 82 directly supports from below.
  • the wire connecting portion 43 having the wire end portion 33 arranged thereon is vertically sandwiched between the upper tool 81 (the other pressurizing tool) and the lower tool 82 and connected to each other.
  • connection terminals 4 arranged in the housing main body 2d and the connection terminals 4 arranged in the housing main body 2d can be connected without inserting the connection terminal 4 of the electric wire with a terminal, which is previously connected to the covered electric wire 3 as in the prior art, into the connector housing.
  • the covered electric wire 3 can be connected.
  • connection terminal 4 since the covered wire 3 and the connection terminal 4 are pressure-connected by a pair of tools 81 and 82, the work of placing the connection terminal 4 on the pressure surface 82a of the lower tool 82 and the work of placing the connection terminal 4 on the housing body 2d are performed. In order to hold the connection terminals 4 in the housing body 2d, two terminal arrangement operations can be combined into one terminal arrangement operation to arrange the connection terminals 4 in the housing body 2d. It is possible to simplify the work.
  • connection terminal 4 in order to connect the covered electric wire 3 and the connection terminal 4 and arrange the connection terminal 4 in the housing body 2d, for example, an electric wire with a terminal to which the connection terminal 4 is connected is prepared in advance.
  • a possible method is to arrange the connection terminals 4 of the electric wires with terminals so as to be fitted into the lower terminal accommodating recesses 6d provided on the upper surface of the connector housing, thereby connecting them to each other.
  • connection method it is not necessary to insert the connection terminal 4 of the electric wire with the terminal to which the connection terminal 4 is connected in advance into the connector housing as in the conventional art. Therefore, there is an advantage that the possibility of buckling of the covered electric wire 3 can be eliminated when the covered electric wire 3 is connected to the connector housing.
  • connection terminal 4 of the wire is removed during the manufacturing process.
  • the arrangement work requires time and effort.
  • the connecting terminals 4 are placed on the housing main body 2d only by arranging the connecting terminals 4 on the housing main body 2d so that the connecting terminals 4 are pressure-connected by a pair of tools 81 and 82. and the terminal arrangement work of fitting the connection terminals 4 into the housing body 2d in order to hold (attach and fix) the connection terminals 4 to the housing body 2d. , it is possible to simplify the work of arranging terminals.
  • connection terminals 4 when a plurality of connection terminals 4 are provided on an electric wire with a connector, it is necessary to arrange the connection terminals 4 one by one according to the number in the terminal arrangement work. For this reason, when it is necessary to perform the terminal arrangement work for each process as in the conventional method of manufacturing an electric wire with a connector, as the number of connection terminals 4 increases, the terminal arrangement work to be performed as a whole requires Increased effort.
  • the apparatus for manufacturing the electric wire with connector 1 can be configured compactly.
  • FIGS. It is provided with a size and shape that match the characteristic impedance of the connecting portion 3C to 2d within a predetermined range.
  • matching is performed so that the characteristic impedance of the connection portion 3C of the covered electric wire 3 to the housing body 2d is within a predetermined range according to the size and shape of the through hole 10 formed in the housing body 2d. be able to.
  • the size and shape of the through hole 10 are used to match the characteristic impedance of the connection portion 3C. may be configured to match the characteristic impedance of
  • the characteristic impedance is generally set to 120 ⁇ in a CAN system communication system, and is set to 100 ⁇ in a 100BASE-T communication system commonly used in Ethernet (registered trademark).
  • the characteristic impedance of the connection portion 3C of the covered wire 3 to the housing body 2d is matched to be within the range of 120 ⁇ 10%. do. Also, when applying the connector-equipped wire to a 100BASE-T communication system, the characteristic impedance of the connecting portion 3C is matched within the range of 100 ⁇ 10%. Specifically, the characteristic impedance of the connection portion 3C of the coated wire 3 to the housing body 2d tends to decrease as the thickness of the housing body 2d having dielectric properties increases.
  • the characteristic impedance tends to be high.
  • the characteristic impedance of the connection portion 3C of the covered wire 3 to the housing body 2d tends to increase as the line-to-wire distance of the covered wire 3 (interval between the pair of covered wires 3) and the distance between the connection portions 3C increase.
  • the characteristic impedance of the connection portion 3C of the covered electric wire 3 fluctuates due to the line-to-wire distance, the dielectric constant of the housing body 2d, and the like.
  • the size and shape of the through hole 10 formed in the housing body 2d are set so that they are matched within the range of ⁇ 10%.
  • the transition portion 42 that connects the box portion 41 connected to the mating connection terminal and the wire connection portion 43 is made of the material of the connection terminal 4 compared to the box portion 41 and the wire connection portion 43 .
  • the characteristic impedance tends to be high because the ratio of the metal portion occupied by as is small.
  • the through holes 10 are also provided in the area where the transition portion 42 is particularly arranged in the wire connection portion arrangement area 62, so that the through hole 10 is provided only in the portion where the wire connection portion 43 is arranged, for example. It is possible to effectively match the characteristic impedance compared to the case.
  • the twisted pair electric wire 35 formed by twisting a pair of coated electric wires 3 provided in the electric wire 1 with a connector of the first embodiment is generally used in a CAN system communication system.
  • an untwisted portion 35a is formed at each wire end portion 33 of a twisted pair electric wire 35 obtained by twisting two coated wires 3, and is arranged at the wire connecting portion 43 by untwisting. It is a thing.
  • the twisted pair electric wire 35 is generally used in a CAN system communication system, and in the CAN system communication system, the characteristic impedance is often set to 120 ⁇ . Due to the formation of the return portion 35a, the characteristic impedance may deviate from the predetermined value, that is, be outside the range of 120 ⁇ 10%. According to the above configuration, according to the size and shape of the through hole 10 formed in the housing body 2d, the characteristic impedance of the connection portion 3C of the coated wire 3 to the housing body 2d is within the range of 120 ⁇ 10%. can be aligned.
  • two lower terminal receiving recesses 6d are spaced apart from each other and arranged side by side. It is provided across the wire connecting portion arrangement regions 62 of the two lower terminal accommodating recesses 6d.
  • the degree of reduction (influence of reduction) of the characteristic impedance at the connection portion 3C of the insulated wire 3 to the housing body 2d can be determined, for example, by connecting the through holes 10 to each other at each portion corresponding to the lower terminal accommodating recess 6d. This can be greatly reduced compared to the case where they are spaced apart. As a result, it is possible to match characteristic impedances that deviate greatly from a predetermined value.
  • the through hole 10 is formed in the housing main body 2d as described above, and the wire connection portion arrangement area By forming it over 62, alignment can be achieved.
  • a cover 2u (connector housing cover) is attached to the housing body 2d so as to accommodate the connection terminals 4 inside the housing body 2d. 2d to constitute an assembly-type connector housing 2.
  • the connection portion can be protected from external factors.
  • the wire connecting portion 43 is provided with barrel pieces 44b and 45b for crimping the wire 33 by crimping it with a pair of tools 81 and 82. As shown in FIG.
  • connection terminals 4 arranged in the housing body 2d and the coated wires 3 can be connected with excellent connection strength.
  • the electric wire 1A with a connector according to the second embodiment does not have the exposed conductor portion 31a at the end portion 33A of the electric wire, and the exposed conductor portion in the length direction of the covered electric wire 3A
  • the entire outer periphery of the conductor 31 is covered with the insulating coating portion 32 up to the end including the portion corresponding to 31a.
  • the wire connection portion 43A of the connection terminal 4A includes an insulation barrel portion 45A on the rear side, but does not include the wire barrel portion 44 on the front side, but includes a pressure contact portion 44A.
  • the pressure contact portion 44A has a bottom wall 44Aa, side walls 44Ab extending upward from both left and right ends of the bottom wall 44Aa, and a pair of pressure contact pieces 44Ac.
  • the pair of pressure contact pieces 44Ac are arranged so as to be spaced apart in the front-rear direction and face each other.
  • the pressure contact piece 44Ac is formed wider than the outer diameter of the covered electric wire 3A.
  • a recess 44d extending downward from the upper end is formed in the widthwise central portion of the pressure contact piece 44Ac.
  • the recess 44 d is formed slightly wider than the outer diameter of the conductor 31 .
  • the through-holes 10A formed through the attached connector housing 2Ad correspond to the wire connection portion arrangement areas 62 on the left and right sides.
  • the parts are formed apart from each other in the width direction. That is, in one attached connector housing 2Ad, two through-holes 10A corresponding to the wire connecting portion arrangement regions 62 on the left and right sides are formed independently.
  • the through-holes 10A formed in the assembly type connector housing 2Ad so as to be spaced apart from each other in the width direction are used in the wire connection process as a lower tool 82 (fixed tool) arranged below the assembly type connector housing 2Ad. is sized and shaped to allow the lower tool 82 to pass therethrough or to temporarily exist (stay).
  • the through hole 10A has a size that matches the characteristic impedance of the connection portion 3C (see FIG. 13A) of the covered electric wire 3A within a predetermined range. and shape.
  • connection terminals 4 are arranged so as to be fitted into the lower terminal accommodating recesses 6d provided on the left and right sides of the assembly type connector housing 2Ad. Thereafter, in the wire placement step, the wire end portion 33A is placed from above the wire connection portion 43A.
  • the wire end portion 33A is arranged from above the pressure contact portion 44A and the insulation barrel portion 45A.
  • the portion is arranged so as to straddle a pair of pressure contact pieces 44Ac provided on the pressure contact portion 44A in the front and rear direction.
  • the lower tool 82A is arranged below the wire connection portion 43A where the coated wire 3A is arranged, and the upper tool 81A is arranged above. (See FIG. 11(a)).
  • the upper tool 81A includes an upper press tool 81Aa and an upper press tool 81Ab.
  • the lower tool 82A includes a lower press tool 82Aa and a lower press tool 82Ab.
  • the pressure contact portion 44A and the wire end portion 33A are pressure-contacted by the pressure contact upper tool 81Aa and the pressure contact lower tool 82Aa. Also, the insulation barrel portion 45A and the wire end portion 33A are crimped by the upper crimping tool 81Ab and the lower crimping tool 82Ab.
  • the lower pressure contact tool 82Aa and the lower pressure contact tool 82Ab are inserted into the through hole 10A from the lower side of the assembly type connector housing 2Ad, and the upper surface (pressure surface) of the lower pressure contact tool 82Aa is pressed. is brought into direct contact with the lower surface of the pressure contact portion 44A of the wire connection portion 43A.
  • the upper surface (pressure surface) of the lower crimping tool 82Ab is brought into direct contact with the lower surface of the insulation barrel portion 45A of the wire connection portion 43A.
  • the wire connection portion 43A, on which the wire end portion 33A is arranged can be supported from below by the lower press-contacting tool 82Aa and the lower crimping tool 82Ab.
  • the upper tool 81A (the upper pressure welding tool 81Aa and the upper crimping tool 81Ab) arranged above the wire end portion 33A is lowered.
  • the pressure contact portion 44A and the wire end portion 33A are sandwiched from both the upper and lower sides by the upper pressure contact tool 81Aa and the lower pressure contact tool 82Aa.
  • the insulation barrel portion 45A and the wire end portion 33A are crimped and connected to each other so as to be sandwiched from both upper and lower sides by the upper crimping tool 81Aa and the lower crimping tool 82Ab.
  • the conductor 31 is fitted into the recess 44d of the pressure contact piece 44Ac, and the insulation coating portion 32 is torn by the pressure contact piece 44Ac.
  • the covered wire 3A and the connection terminal 4A are electrically connected to each other by abutting on the peripheral edge.
  • the lower tool 82A does not interfere with the assembly type connector housing 2Ad in the electric wire connection process.
  • the wire connection portion 43A can be directly supported without the assembly type connector housing 2Ad. That is, the covered electric wire 3A and the connection terminal 4A can be pressure-connected to each other while being arranged in the assembly type connector housing 2Ad.
  • the wire end portion 33A can be simply inserted into the pressure-contact piece 44Ac so as to tear the insulation coating portion 32, and the wire terminal 4A can be opened as in the first embodiment.
  • the lower tool 82A can be attached to the assembly-type connector housing 2Ad as compared with the case where the wire barrel portion 44 of the barrel type is plastically deformed to crimp-connect the covered electric wire 3A and the connection terminal 4A. can be connected without interfering with the
  • the wire connecting portion 43A can be configured compactly, and the pair of tools 81A and 82A for pressurizing the connection terminal 4A can also be compactized. Further, in the assembly type connector housing 2Ad, the through hole 10A into which the lower tool 82A is inserted can also be made compact.
  • the through hole of the present invention does not need to be attached to the assembly type connector housing like the through hole 10 of the first embodiment. It is also possible to employ a configuration in which the width of the wire connecting portion arrangement regions 62 on the left and right sides of 2Ad is widened.
  • the lower tool 82 can be inserted as in the through hole 10A of the second embodiment.
  • a configuration in which the electric wire connecting portion arrangement regions 62 on the left and right sides of the housing body 2d are independently formed may be adopted as long as they do not interfere with the housing body 2d.
  • the lower terminal accommodating recesses 6d are located on the left and right sides of the upper surface of the assembly type connector housing 2Ad.
  • the through-holes 10A are spaced apart from each other for each portion corresponding to the two lower terminal accommodating recesses 6d.
  • the through-holes 10A can be formed with a minimum size as much as possible by providing the through-holes 10A separately from each other for each portion corresponding to the lower terminal accommodating recessed portion 6d.
  • the assembly-type connector housing 2Ad forms the through-hole 10A while avoiding interference between the lower tool 82A inserted into the through-hole 10A in the wire connection process and the assembly-type connector housing 2Ad. A decrease in strength can be suppressed.
  • the electrostatic capacitance is accumulated in the assembly type connector housing 2Ad having dielectric properties, and the covered electric wire 3A is reduced in size.
  • the amount of decrease (influence of decrease) in the characteristic impedance at the connecting portion 3C to the assembly type connector housing 2Ad corresponds to the lower terminal accommodating recesses 6d on the left and right sides, for example, like the through hole 10 of the first embodiment.
  • the size can be reduced and alignment can be achieved with high precision. In other words, even if the characteristic impedance at the connection portion 3C of the covered wire 3A deviates slightly from the predetermined value, it can be matched with the predetermined value with high precision.
  • an attached connector housing 2B (hereinafter abbreviated as “attached connector housing 2B") provided in the electric wire 1B with connector (connector 5B) of the third embodiment includes a housing main body 2d. and the cover 2Bu are formed with through holes 10 (10d, 10u).
  • the through hole 10 formed in the housing main body 2d side is also referred to as the main body side through hole 10d.
  • the through-hole 10 formed on the cover 2Bu side is also referred to as a cover-side through-hole 10u.
  • the body-side through-hole 10d is formed wide so as to straddle the wire connection portion arrangement regions 62 on the left and right sides, similarly to the through-hole 10 formed in the housing body 2d. ing. That is, the body-side through-hole 10d is formed in the same formation location as the through-hole 10 of the first embodiment, and has the same shape and size as the through-hole 10 .
  • the cover-side through-hole 10u in the cover 2Bu is formed in a portion of the cover 2Bu that vertically faces the main-body-side through-hole 10d of the housing main body 2d in a state where the housing main body 2d is covered by the cover 2Bu. ing.
  • the position and shape of the cover side through hole 10u are formed so as to completely match the position and shape of the main body side through hole 10d when the attached connector housing 2B is viewed from above.
  • the cover-side through-hole 10u allows at least the upper tool 81 of the pair of tools 81 and 82 to pass through or temporarily exist in the wire connection step described later (see FIG. 15(b)).
  • the cover assembling process is performed between the electric wire arrangement process and the electric wire connecting process, not after the electric wire connecting process.
  • the wire connection portion 43 of the connection terminal 4 is arranged in the lower terminal accommodating recess 6d from above, and an arrow s2 in FIG. 4, in the wire placement step, the wire end portion 33 is placed from above with respect to the wire connection portion 43 of the connection terminal 4 placed in the lower terminal accommodating recess 6d of the housing body 2d.
  • the terminal arranging step and the electric wire arranging step may be performed at the same time. That is, in a state in which the wire end portion 33 is placed above the wire connection portion 43 of the connection terminal 4, the wire end portion 33 and the wire connection portion 43 may be placed in the lower terminal accommodating recess 6d.
  • the cover 2Bu is assembled to cover the housing body 2d from above.
  • the wire connecting portion 43 and the wire end portion 33 arranged inside the attached connector housing 2B are exposed to the outside through the cover-side through hole 10u and the body-side through hole 10d (see FIG. 15(a)). )reference).
  • the lower tool 82 connects the wire connection portion 43 of the connection terminal 4 arranged in the lower terminal housing recess 6d to the body side as described above. It is supported in direct contact from below through the through hole 10d.
  • the upper tool 81 is lowered from above the cover 2Bu to the wire end portion 33 arranged in the wire connection portion 43 .
  • the housing body 2d is covered from above by the cover 2Bu, and a cover-side through hole 10u is formed in the cover 2Bu at a portion directly above the lower terminal accommodating recess 6d. Therefore, as shown in FIG. 15(b), even if the upper tool 81 is lowered from above the cover 2Bu with respect to the wire end portion 33 arranged in the wire connection portion 43, the upper tool 81 does not reach the cover.
  • the wire connection portion 43 and the wire end portion 33 can be directly pressurized without interfering with 2Bu.
  • the upper tool 81 and the lower tool 82 can crimp and connect the wire connection portion 43 and the wire end portion 33 so as to sandwich the wire connection portion 43 and the wire end portion 33 from above and below, as shown in FIGS.
  • the connector-equipped electric wire 1B (connector 5B) of the third embodiment can be obtained.
  • the wire connection portion 43 of the connection terminal 4 and the wire end portion 33 can be connected in a state where the cover 2Bu is assembled to cover the housing body 2d from above.
  • connection terminal 4 arranged in the lower terminal accommodation recess 6d and the wire end portion 33 arranged in the wire connection portion 43 of the connection terminal 4 are positioned relative to the lower terminal accommodation recess 6d during the wire connection process.
  • the connection terminal 4 and the wire end portion 33 can be held so as to be covered from above by the cover 2Bu so as not to shift or come off.
  • the upper tool 81 and the lower tool 82 can be used to easily connect the wire connection portion 43 and the wire end portion 33 as compared with the case where the cover 2Bu does not hold the wire connection portion 43 and the wire end portion 33. can be crimped and connected with high accuracy.
  • the body side through hole 10d is formed in the housing body 2d
  • the cover side through hole 10u is formed in the cover 2Bu.
  • matching can be achieved so that the characteristic impedance of the connection portion 3C of the covered wire 3 to the housing body 2d is within a predetermined range. . That is, the characteristic impedance can be matched more finely than when matching is performed based only on the size and shape of the body-side through hole 10d.
  • the cover 2Bu and the housing main body 2d are not integrally formed by a single member.
  • the cover 2Bu and the housing main body 2d are configured by separate members so that they can be assembled.
  • connection terminals are arranged in a state in which the cover 2Bu is not attached to the housing main body 2d. 4 can be placed in the lower terminal accommodating recess 6d from above (see FIG. 14).
  • the wire end portion 33 can be arranged with respect to the wire connection portion 43 in a state in which the cover 2Bu is not attached to the housing body 2d in the wire arrangement process.
  • the wire connection portion 43 and the wire end portion 33 are separated from each other at the time of manufacture like a connector housing in which the housing body 2d and the cover 2Bu are integrated. No need to insert inside the connector housing. Therefore, the wire connection portion 43 and the wire end portion 33 can be easily arranged from above with respect to the housing main body 2d without the risk of buckling unlike when they are inserted into the connector housing.
  • the number of terminals is larger than that of the conventional method of manufacturing an electric wire with a connector. It is possible to simplify the arrangement work.
  • the connection terminal 4 and the electric wire end portion 33 are crimped and connected, the pressure surface 82 a of the lower tool 82 is applied to the connection terminal. Work to arrange 4 is required. Furthermore, in the conventional method of manufacturing a connector-equipped electric wire, in order to attach a connector to the connecting portion between the electric wire connection portion 43 and the electric wire end portion 33, the connection terminal 4 connected to the electric wire end portion 33 is inserted into the connector housing. work needs to be done.
  • the above-described two terminal arrangement operations which were performed in the conventional method of manufacturing an electric wire with a connector, are replaced with the connection terminal 4 and the end of the electric wire. It can be summarized as one terminal placement operation of placing the portion 33 in the assembled connector housing 2C.
  • an integrated assembly type connector housing 2C (hereinafter referred to as "assembly type connector housing 2C") is formed integrally with portions corresponding to the housing main body 2d and the cover 2u in the assembly type connector housing 2 of the first embodiment.
  • the assembly-type connector housing 2C is formed to have terminal accommodating chambers 6 inside, similarly to the assembly-type connector housing 2 of the first embodiment.
  • the assembly type connector housing 2C is formed in a hollow shape having at least two terminal accommodating chambers 6 arranged side by side in the width direction (horizontal direction) so as to accommodate two connection terminals 4. ing. Further, as shown in FIGS. 17(b) and 17(c), the assembly type connector housing 2C has a portion corresponding to the cover 2u (upper surface) formed as an upper wall portion 27'. Furthermore, the rear wall portion 23 ′, the partition wall portion 25 ′, and the left and right side wall portions 24 ′, 24 ′ are all formed in a vertical wall shape having substantially the same height as the front wall portion 22 .
  • the terminal accommodating chamber 6 is not divided into an upper terminal accommodating recess 6u and a lower terminal accommodating recess 6d.
  • both the base portion 21 corresponding to the lower wall portion and the upper wall portion 27' through-holes 10 (10u', 10d') are formed in.
  • the through hole 10 formed on the base portion 21 side is also referred to as the lower surface side through hole 10d', and the through hole 10 formed on the upper wall portion 27' side is also referred to as the upper surface side through hole 10u'.
  • the lower surface side through hole 10d' and the upper surface side through hole 10u' are formed at locations facing each other in the vertical direction with the internal space of the wide recess 7 interposed therebetween.
  • the lower through-holes 10d' correspond to the main body through-holes 10d in the third embodiment, and the upper through-holes 10u' correspond to the cover through-holes 10u in the third embodiment.
  • the connecting terminal 4 is passed through the electric wire arranging recess 23a formed through the rear wall portion 23' to the inside of the assembly type connector housing 2C. is inserted into the terminal accommodating chamber 6 provided in the .
  • the box portion 41 of the connection terminal 4 is arranged in the box portion arrangement area 61 (see FIGS. 17A, 17B, and 17C) in the terminal housing chamber 6, and the wire connection portion 43 of the connection terminal 4 is arranged. are arranged in the wire connecting portion arrangement area 62 (see the same figure) in the terminal accommodating chamber 6 .
  • the wire end portion 33 is inserted into the terminal accommodating chamber 6 (wire connection portion arrangement region 62) provided inside the assembly type connector housing 2C through the wire arrangement concave portion 23a formed through the rear wall portion 23'. insert As a result, the wire end portion 33 is arranged above the wire connection portion 43 of the connection terminal 4 . In this state, the wire end portion 33 and the wire connection portion 43 are accommodated (stored) inside the assembly type connector housing 2C in a state in which they are not connected to each other.
  • the terminal arranging step and the electric wire arranging step may be performed at the same time. That is, in a state in which the wire end portion 33 is arranged above the wire connection portion 43 of the connection terminal 4, the connection terminal 4 and the wire end portion 33 may be simultaneously inserted into the terminal accommodating chamber 6 through the wire arrangement recess 23a. .
  • the lower tool 82 can directly contact the wire connection portion 43 and the wire end portion 33 from below through the lower surface side through hole 10d′, and the upper tool 81 can , the upper surface-side through hole 10u' can directly abut against the wire connection portion 43 and the wire end portion 33 from above.
  • the upper tool 81 and the lower tool 82 crimp-connect the wire connection portion 43 and the wire end portion 33 so as to sandwich the wire connection portion 43 and the wire end portion 33 from both upper and lower sides without interfering with the assembly type connector housing 2C. be able to.
  • connection terminals 4 in the terminal accommodating chambers 6 they are not limited to being inserted into the terminal accommodating chambers 6 through the wire arrangement recesses 23a. ' may be inserted into the terminal receiving chamber 6.
  • the wire connecting portion 43 and the wire end portion 33 are inserted into the terminal receiving chamber 6 through the wire arranging concave portion 23a in the terminal arranging step and the wire arranging step 23a, respectively. It is different from the method of manufacturing the electric wire 1B with a connector of the third embodiment in that it is inserted into the .
  • connection terminal 4 is inserted into the assembly type connector housing 2C through the electric wire arrangement recess 23a before the electric wire connection step.
  • the wire end portion 33 is inserted through the wire placement recess 23 a into the assembled connector housing 2 ⁇ /b>C and placed on the wire connection portion 43 .
  • the wire can be smoothly inserted into the terminal accommodating chamber 6 through the wire placement recess 23a, compared to the case where the wire end portion 33 and the wire connection portion 43 are connected in advance.
  • the wire end portion 33 and the wire connection portion 43 are connected in advance and inserted into the assembly type connector housing 2C as in the conventional manufacturing method of the wire with a connector, the wire is inserted into the assembly type connector housing 2C. , it is likely to get caught on the inner walls of the terminal accommodating chamber 6 and the wire arrangement recess 23a, and there is a concern that it may buckle.
  • the electric wire end portion 33 and the electric wire connecting portion 43 can be separately inserted into the terminal accommodating chamber 6 through the electric wire arrangement recess 23a.
  • the wire end portion 33 and the connection terminal 4 can be inserted smoothly without buckling during each insertion.
  • the wide concave portion 7 is separated from the lower surface side through hole 10d' and the upper surface side through hole in the vertical direction. 10u' are formed. Therefore, the characteristic impedance of the connection portion 3C of the covered electric wire 3 to the attached connector housing 2C is matched based on the sizes and shapes of the lower surface side through hole 10d' and the upper surface side through hole 10u'. be able to.
  • Fine matching can be achieved.
  • a connector unit 50 of the present embodiment includes a plurality (two in this example) of the connector-equipped electric wires 1B of the third embodiment described above, and each of the plurality of connector-equipped electric wires 1B and a unit housing 51 for holding the connector 5B (attachment type connector housing 2B).
  • FIG. 18 and 19 indicate the depth direction of the unit housing 51, arrow Y1 indicates one side in the depth direction, and arrow Y2 indicates the other side in the depth direction. Further, FIG. 18 shows a detailed illustration of the internal structure (connection portion between the connection terminal 4 and the wire end portion 33) visible from the outside of the connector 5B through the cover-side through hole 10u provided in the attached connector housing 2B. are omitted.
  • the unit housing 51 is made of a synthetic resin material and has a connector fitting portion 55 as an internal space for fitting and holding substantially the entirety of a plurality of (two in this example) connectors 5B.
  • a plurality of connector fitting portions 55 are arranged in the width direction corresponding to the plurality of connectors 5B, and each of them is formed in the same shape and divided.
  • the connector fitting portion 55 is formed through the interior of the unit housing 51 in the depth direction.
  • a connector insertion opening 55a for inserting the connector 5B into the connector fitting portion 55 is formed on one side of the connector fitting portion 55 in the depth direction.
  • a terminal insertion opening 54 (see FIG. 19) into which a male terminal 65 provided in a mating connector unit 60 to be described later can be inserted is formed on the other side of the connector fitting portion 55 in the depth direction.
  • the terminal insertion opening 54 has a width of one connector insertion portion 55 corresponding to the two insertion holes 22a (see FIG. 1) provided in the front wall portion 22 of the attached connector housing 2B. Two are arranged in the direction. That is, four terminal insertion openings 54 are arranged in the width direction corresponding to the two connector fitting portions 55 on the other end face in the depth direction of the unit housing 51 (see FIG. 19).
  • the insertion hole 22a provided in the assembly type connector housing 2B and the terminal insertion opening 54 provided in the unit housing 51 are separated. communicate with each other in the depth direction.
  • the connector unit 50 of this embodiment is configured as a female connector unit having multiple poles (four poles in this example, that is, four terminal insertion openings 54) corresponding to the two assembly-type connector housings 2B. be.
  • connection counterpart connector unit 60 in FIG. 18 indicates a connection counterpart connector unit.
  • the mating connector unit 60 is configured as a male connector unit having four poles so as to be connectable to the connector unit 50 of the present embodiment from the other side in the depth direction.
  • connection counterpart connector unit 60 of the present embodiment is connected to the tip of the cable 63, it may be connected to a connector or terminal mounted on the board.
  • the male terminal 65 provided in the side connector unit 60 has a protruding piece 65a (tab) at the tip provided inside the connector 5B through the terminal insertion opening 54 (see FIG. 19) and the insertion hole 22a (see FIG. 19). It is inserted into the box portion 41 (see FIGS. 1 and 6) of the connection terminal 4 and electrically connected to the connection terminal 4 .
  • the unit housing 51 is provided with a shield shell 57 so as to surround the pair of connector fitting portions 55 from both sides in the width direction and from above.
  • the shield shell 57 may be arranged in at least one direction out of all directions, such as surrounding all directions around the center axis extending in the depth direction of the unit housing 51 .
  • the shield shell 57 of this embodiment is formed of a metal plate that is bent so as to have a size corresponding to substantially the entire surfaces of the upper wall and left and right side walls. and the left and right side wall portions by insert molding.
  • the shield shell 57 may be press-fitted into the unit housing 51 or may be formed so as to cover the outer periphery of the unit housing 51 .
  • the connector unit 50 includes a metal shield shell 57 in the unit housing 51, thereby electromagnetically shielding the connection portion between the assembly type connector housing 2B and the connector holding portion 54 and the connection portion with the connection mating connector unit 60. can do.
  • the two sets of twisted pair electric wires 35 corresponding to the two assembly type connector housings 2B held in the unit housing 51 are covered along the longitudinal direction with a braided wire 58 from the outer peripheral side of each twisted pair electric wire 35.
  • the shield shell 57 is electrically connected to the end portion of the braided wire 58 that covers the outer periphery of the coated wire 3 along the longitudinal direction.
  • the shield shell 57 may be provided in the attached connector housing 2B, or may be provided only in the attached connector housing 2B.
  • the shield shell 57 may be provided on both the inner circumference of the connector fitting portion 55 of the unit housing 51 and the outer circumference of the attached connector housing 2B.
  • the inner peripheral shield shell 57 of the connector fitting portion 55 of the unit housing 51 and the outer peripheral shield shell (not shown) of the attached connector housing 2B are electrically connected. Furthermore, in this configuration, the braided wire 58 is preferably connected to a shield shell (not shown) provided around the outer circumference of the attached connector housing 2B.
  • the through holes 10u and 10d formed in the upper and lower surfaces of the assembly type connector housing 2B are fitted with the connectors. It can be covered by the inner wall of the recess 55 .
  • the waterproofness of the connection portion between the wire connection portion 43 and the wire end portion 33 is enhanced as compared with the case where the connector 5B is used alone without being fitted. be able to.
  • the connector unit 50 of the present embodiment can easily configure a multi-pole (four poles in this example) structure by holding a plurality of connectors in the connector holding portion 54 of the unit housing 51 .
  • the connector unit of the present invention is not limited to the configuration in which the plurality of connector fitting portions 55 are arranged in the width direction of the unit housing 51 as described above. It is possible to have a configuration in which a plurality of them are provided in at least one direction.
  • the connector unit of the present invention is not limited to the configuration in which only the connector fitting portion 55 for accommodating the connector 5B is provided like the unit housing 51 described above.
  • a configuration provided with a terminal fitting portion into which the connection terminal 4 can be fitted independently may be employed.
  • the present invention is not limited to the configurations of the first to fifth embodiments described above, and can be formed in various embodiments. As a modification of the above-described embodiment, the present invention adopts a configuration in which through holes are formed at least in the lower terminal accommodating recess 6d of the assembly type connector housing 2Ad. It is not limited to the portion corresponding to , and a configuration extending to the box portion arrangement region 61 may be employed.
  • the through hole of the present invention is the through hole 10 of the first embodiment formed over the left and right wire connection portion arrangement regions 62 like the through hole 10' shown in FIG. 20(a). It may be formed in such a form as to extend up to the box portion arrangement area 61 . Moreover, like the through-hole 10A' shown in FIG. 20B, the through-hole 10A of the second embodiment formed in each wire connecting portion arrangement region 62 is extended to the box portion arrangement region 61. may be formed with
  • the through-holes of the present invention are formed over the left and right wire connection portion arrangement regions 62, such as through-holes 10f and 10r shown in FIG.
  • the through hole 10 may be provided independently in a portion corresponding to the wire barrel portion 44 and a portion corresponding to the insulation barrel portion 45 .
  • the through-holes of the present invention may be the through-holes 10A of the second embodiment, which are formed separately for each of the left and right wire connection portion arrangement regions 62, such as the through-holes 10Af and 10Ar shown in FIG. A portion corresponding to the pressure contact portion 44A and a portion corresponding to the insulation barrel portion 45A may be provided independently.
  • the through-holes of the present invention are not limited to being spaced apart in the width direction of the assembly type connector housing 2Ad like the through-hole 10A of the second embodiment, but are also formed spaced apart in the front-rear direction. may
  • the through hole 10f (the front through hole 10f) formed in a portion corresponding to the wire barrel portion 44 is connected to the box portion. It may extend up to the arrangement area 61 . Further, as indicated by a dashed line in FIG. 21(b), of the through holes 10Af and 10Ar, the through hole 10Af (front through hole 10Af) formed at a portion corresponding to the pressure contact portion 44A is arranged in the box portion. It may extend up to the region 61 .
  • the through-holes 10A are not limited to two each in the width direction or the front-rear direction when forming the through-holes 10A spaced apart in the width direction and the front-rear direction of the assembly type connector housing 2Ad.
  • a configuration in which three or more are provided independently may be adopted.
  • the present invention can employ a configuration in which a through hole is provided in the cover like the cover 2Bu provided for the electric wire 1B with a connector of the third embodiment.
  • the present invention provides various aspects in which at least the upper tool 81 of the pair of tools 81 and 82 is allowed to pass through or temporarily exist in the wire connection process when a through hole is provided in the cover. (size, shape, site, number, etc.).
  • the cover-side through-holes are used when the pair of tools 81 and 82 (particularly, the upper It may be formed in a shape different from that of the cover-side through-hole 10u of the third embodiment as long as it has a size and shape that do not interfere with the tool 81).
  • the coated electric wires 3 provided in the electric wires 1, 1A, 1B, and 1C with connectors of the above-described embodiments employ a twisted pair electric wire formed by twisting two of the electric wires
  • the twisted pair electric wire is limited to the twisted pair electric wire.
  • untwisted pair wires may be employed.
  • the electric wire may be a pair electric wire provided with a pair of conductors 31 arranged substantially in parallel (parallel) so that the distance between them is substantially constant along the longitudinal direction. .
  • a pair of electric wires is a pair of conductors 31 that are arranged substantially in parallel (parallel) so that the distance between them is substantially constant along the longitudinal direction, such as a ribbon electric wire, regardless of whether they are twisted or not. may be integrally covered with the insulating covering portion 32 .
  • the pair of electric wires may be, for example, a pair of conductors 31 independently covered with an insulating coating 32 like a power cable.
  • the pair electric wires are covered with an electromagnetic shielding member made of braided wire, metal foil, or the like. It may be a configuration without
  • the connector housing provided in the present invention mainly includes the housing body 2d (lower terminal accommodating recess) between the housing body 2d and the cover 2u. 6d), the connection terminals 4 are held by the cover 2u (the upper terminal housing recesses 6u). That is, the connector housing provided in the present invention may employ a configuration in which the connection terminals 4 are substantially fitted into the cover 2u side instead of the housing main body 2d side.
  • the shield shell 57 provided in the unit housing 51 of the connector unit 50 of the fifth embodiment is provided on the outer periphery of the assembly type connector housing 2B, that is, the assembly type connector housing 2B of the first embodiment.
  • the present invention is not limited to this configuration, but the perimeter of the assembled connector housing 2A of the second embodiment, the perimeter of the assembled connector housing 2B of the third embodiment, or the fourth embodiment.
  • a configuration provided on the outer periphery of the assembly type connector housing 2C may be employed.
  • FIG. 41 shows an exploded perspective view of an electric wire 1D with a connector, which is a modification of the first embodiment.
  • the same components as those of the electric wire with connector 1 of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • An electric wire 1D with a connector which is a modification of the electric wire 1 with a connector of the first embodiment, has a concave shape in which a top plate portion 27 and a pair of cover side wall portions 28 in an assembly type connector housing 2D are oppositely oriented when viewed from an arrow F. is divided into a front cover 2uF and a rear cover 2uB in the front-rear direction.
  • the front cover 2uF covers the terminal accommodating chamber 6 in the housing body 2d from the upper side U
  • the rear side cover 2uB covers the wire connecting portion arrangement area 62 in the housing body 2d from the upper side U.
  • two engaging holes 29u are provided in the cover side walls 28 of the front cover 2uF and the rear cover 2uB at a predetermined interval in the front-rear direction, and the side walls 24 and the wire connection in the terminal accommodating chamber 6 are provided.
  • Two engaging projections 29d are also provided on each of the side wall portions 24 in the portion arrangement region 62. As shown in FIG.
  • connection terminals 4 are attached to the housing body 2d, the front cover 2uF is attached to the terminal accommodating chamber 6 in which the box portion 41 is arranged in the lower terminal accommodating recess 6d, and the electric wire is mounted.
  • the wire end portion 33 is connected to the wire connection portion 43 arranged in the connection portion arrangement area 62 with a pressure welding tool, the wire connection portion arrangement area 62 is covered with the rear cover 2uB.
  • the electric wire end portion 33 is pressure-welded to the electric wire connection portion 43 arranged in the electric wire connection portion arrangement area 62.
  • the front cover 2uF is attached to the terminal accommodating chamber 6 in which the box portion 41 is arranged in the lower terminal accommodating recess 6d. Since it is covered, the wire end portion 33 can be connected to the wire connection portion 43 in a stable state.
  • the cover may be composed of only the front cover 2uF without the rear cover 2uB.
  • the upper side U of the wire connection portion arrangement region 62 where the wire end portion 33 is connected to the wire connection portion 43 remains open.
  • FIG. 42 shows an exploded perspective view of a connector-equipped electric wire 1E of another modification of the first embodiment
  • FIG. 43 is a plan view of an attached connector housing 2E of another modification of the first embodiment (a ), AA cross-sectional view (b) of FIG. 43(a), and BB cross-sectional view (c) of FIG. 43(a).
  • FIG. 44 is a plan view showing the state of the terminal arranging step and the wire arranging step of another modification of the first embodiment
  • FIG. 45 is an assembly of the connector-equipped wire 1E of another modification of the first embodiment.
  • FIG. 43(a) is a plan view showing the internal structure of a type connector housing 2E corresponding to FIG. 43(a).
  • 46A and 46B are longitudinal cross-sectional views (a) and 43(a) respectively showing the internal configuration of an assembly type connector housing 2E for an electric wire 1E with a connector according to another modification of the first embodiment, corresponding to FIG. 43(c).
  • 46 shows a cross-sectional view (b) corresponding to (b) and a cross-sectional view (c) taken along the line CC of FIG. 45.
  • FIG. In the following description, the same components as those of the electric wire with connector 1 of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • a connector-equipped electric wire 1E which is another modification of the connector-equipped electric wire 1 of the above-described first embodiment, has a length obtained by dividing the cover 2u of the connector-equipped electric wire 1 of the above-described embodiment into two in the front-rear direction.
  • the cover is composed only of the front side cover 2uF.
  • connection terminals 4 are attached to the housing body 2d
  • the front cover 2uF is attached to the terminal accommodating chamber 6 in which the box portion 41 is arranged in the lower terminal accommodating recess 6d
  • the electric wire is mounted.
  • the wire connection portion arrangement area 62 is covered with the rear cover 2uB. Therefore, two engagement holes 29u are provided in the cover side wall portion 28 of the front cover 2uF at a predetermined interval in the front-rear direction, and two engagement projections 29d are also provided in the side wall portion 24 of the terminal accommodating chamber 6. is provided.
  • the front cover 2uF is attached to the terminal accommodating chamber 6 in the housing body 2d to cover the upper side U of the lower terminal accommodating recess 6d. In other words, even if the front cover 2uF is attached to the terminal accommodating chamber 6, the upper side U of the wire connecting portion arrangement area 62 remains open.
  • the side wall portions 24E, 24E on the left and right sides of the wire connection portion arrangement region 62 are compared to the side wall portions 24, 24 on the left and right sides of the wire connection portion arrangement region 62 of the electric wire 1 with a connector described above, and the front cover 2 uF It is formed as thick as the thickness of the cover side wall portion 28 .
  • the side wall portion 24E is not provided with the engaging projection 29d.
  • the electric wire end portion 33 is pressure-welded to the electric wire connection portion 43 arranged in the electric wire connection portion arrangement area 62.
  • the front cover 2uF is attached to the terminal accommodating chamber 6 in which the box portion 41 is arranged in the lower terminal accommodating recess 6d. Since it is covered, the wire end portion 33 can be connected to the wire connection portion 43 in a stable state.
  • FIG. 47 shows an exploded perspective view of a connector-equipped electric wire 1G of still another modification of the first embodiment
  • FIG. 48 is a plan view of an assembly type connector housing 2G of still another modification of the first embodiment. 48(a), a sectional view (b) taken along the line AA of FIG. 48(a), and a sectional view (c) taken along the line BB of FIG. 48(a).
  • FIG. 49 shows a plan view showing the state of the terminal arranging step and the wire arranging step in still another modification of the first embodiment corresponding to FIG. 48(a)
  • FIG. 48A is a plan view showing the internal configuration of an assembly type connector housing 2G of a connector-equipped electric wire 1G of a modified example of FIG. 48(a).
  • FIG. 51 is a vertical cross-sectional view (a) showing the internal configuration of an assembly type connector housing 2G for an electric wire 1G with a connector according to a further modification of the first embodiment, corresponding to FIG. 48(c).
  • 48(b) shows a cross-sectional view (b) corresponding to FIG. 50 and a cross-sectional view (c) taken along line CC of FIG.
  • the same components as those of the electric wire with connector 1 of the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • a wire 1G with a connector shown in FIGS. 47 to 51 is formed by integrating the terminal accommodating chamber 6 to which the cover 2u is attached in the wire 1 with a connector of the first embodiment.
  • the assembly-type connector housing 2G has a box-shaped terminal accommodating chamber 6G indicated by an arrow F in the front-rear direction, and a lower terminal accommodating concave portion 6d is formed therein.
  • a rear side cover 2uB which is only a rear side portion obtained by dividing the cover 2u in the first embodiment into two in the front-rear direction, is mounted.
  • two engagement holes 29u are provided in the cover side wall portion 28 of the rear cover 2uB at a predetermined interval in the front-rear direction, and two engagement holes 29u are also provided in the side wall portion 24 in the wire connecting portion arrangement region 62.
  • a protrusion 29d is provided.
  • left and right side wall portions 24G, 24G of the terminal receiving chamber 6G have a larger width than the left and right side wall portions 24, 24 of the terminal receiving chamber 6 in the first embodiment. is formed as thick as the thickness of As a result, as shown in FIGS. 50 and 51, the cover side wall portion 28 of the cover 2uG and the side wall portion 24G of the terminal accommodating chamber 6 are flush with each other on the side surface of the attached connector housing 2G to which the rear cover 2uB is attached. becomes.
  • connection terminals 4 are attached to the housing main body 2d, the box portion 41 is inserted from the rear into the lower terminal accommodating recess 6d inside the terminal accommodating chamber 6G, and the wire connecting portion is inserted.
  • the rear side cover 2uB is attached to the wire connecting portion arrangement area 62 to cover it.
  • the electric wire end portion 33 is pressure-welded to the electric wire connection portion 43 arranged in the electric wire connection portion arrangement area 62.
  • the box portion 41 is inserted into the lower terminal accommodating recess 6d inside the box-shaped terminal accommodating chamber 6G.
  • the wire end portion 33 can be connected to the wire connection portion 43 in a stable state.
  • the aspect which does not have cover 2uG may be sufficient.
  • the connector-equipped electric wire 101 includes an attached connector housing 102 , two covered electric wires 103 and two connection terminals 104 .
  • the connector 105 is composed of the assembly type connector housing 102 and the connection terminals 104 held therein.
  • the longitudinal direction, the lateral direction, and the thickness direction of the assembly type connector housing 102 are defined as the front-rear direction, the width direction, and the vertical direction, respectively.
  • the arrow R indicates the right direction
  • the arrow L indicates the left direction.
  • the covered electric wire 103 has a conductor 131 made of a conductive material and an insulating coating portion 132 made of an insulating material covering the entire outer circumference of the conductor 131 .
  • the conductor 131 employs a copper core wire formed by bundling a plurality of element wires made of copper or its alloy, but the conductor 131 may be formed of a single element wire. good. Note that the material of the conductor 131 may be other than copper or its alloy depending on the purpose or the like, and the conductor 131 may be a conductor having high conductivity only on the surface.
  • the covered electric wire 103 includes a conductor 131 including an end portion 133 (hereinafter referred to as "electric wire end portion 133") on the side connected to the connection terminal 104 in the length direction.
  • the entire outer periphery of is covered with an insulating coating portion 132 .
  • the electric wire 101 with a connector has two covered electric wires 103 described above, and these two covered electric wires 103 constitute a twisted pair electric wire 135 formed by being twisted together. Then, untwisted (untwisted) portions 135a are formed at the ends of the two covered wires 103 connected to the connector 105 .
  • the untwisted portion 135a has an electric wire end portion 133 in which a conductor exposed portion 131a is formed.
  • the connection terminal 104 is a female terminal fitting, which is formed by punching out a conductive metal plate into a predetermined terminal developed shape and then bending it.
  • the connection terminal 104 includes a box portion 141 , a transition portion 142 and a wire connection portion 143 .
  • a box portion 141, a transition portion 142, and a wire connection portion 143, which are arranged in series from front to back in this order, are integrally formed, and the connection terminal 104 is formed in an elongated shape.
  • the box portion 141 is formed in a rectangular tubular shape.
  • An elastic contact piece (not shown) is arranged inside the box portion 141 by folding back an extension portion extending forward from the front end of the bottom surface of the box portion 141 . Therefore, when a tab provided on a mating connection terminal (male connection terminal) (not shown) is inserted from the front of the box portion 141 , the elastic contact piece is biased against the tab inside the box portion 141 . By making contact with each other, the mating connection terminal and the connection terminal 104 are electrically connected.
  • the tabs provided on the mating connection terminals male connection terminals
  • the transition portion 142 is interposed between the box portion 141 and the wire connecting portion 143, and is a portion that integrally connects these bottom surfaces.
  • the wire connecting portion 143 has a pressure contact portion 144 on the front side and an insulation barrel portion 145 on the rear side.
  • the pressure contact portion 144 has a bottom wall 144a, side walls 144b extending upward from both left and right ends of the bottom wall 144a, and a pair of pressure contact pieces 144c.
  • the pair of pressure contact pieces 144c are arranged to face each other while being separated from each other in the front-rear direction.
  • the pressure contact piece 144c is formed wider than the outer diameter of the coated wire 103.
  • a recess 144d extending downward from the upper end is formed in the widthwise central portion of the pressure contact piece 144c.
  • the recess 144 d is formed slightly wider than the outer diameter of the conductor 131 .
  • the insulation barrel portion 145 is integrated with a barrel bottom surface 145a (see FIGS. 25(a) and (b)) and a pair of left and right barrel pieces 145b. It is configured.
  • the pair of left and right barrel pieces 145b are formed so as to extend upward toward the outside in the width direction with respect to the barrel bottom surface 145a.
  • the insulation barrel portion 145 composed of the barrel bottom surface 145a and the barrel piece 145b is formed in an open barrel shape.
  • the insulation barrel portion 145 crimps the coated end portion 132a on the wire end portion 133 side in the wire connection step (see FIG. 26(a)).
  • the connector-equipped electric wire 101 has a total of two connection terminals 104 corresponding to the two covered electric wires 103 respectively.
  • the assembly type connector housing 102 is composed of a housing body 102d and a cover 102u that covers the housing body 102d from above, and is formed in a rectangular parallelepiped shape as a whole. Both the housing body 102d and the cover 102u that constitute the assembly-type connector housing 102 are made of a dielectric (insulating) synthetic resin material.
  • At least one terminal receiving chamber 106 is provided inside the assembly type connector housing 102 .
  • One connection terminal 104 is accommodated in one terminal accommodation chamber 106 . Therefore, two terminal accommodating chambers 106 are arranged side by side in the width direction inside the assembly type connector housing 102 so as to accommodate two connecting terminals 104 (see FIGS. 22 and 24).
  • the terminal accommodating chamber 106 is composed of an upper terminal accommodating recess 106u and a lower terminal accommodating recess 106d.
  • the upper terminal accommodating recess 106u is formed on the cover 102u side so as to accommodate the upper side of the connection terminal 104 (one side in the thickness direction).
  • the lower terminal accommodating recess 106d is formed on the housing main body 102d so that the lower side (the other side in the thickness direction) of the connection terminal 104 can be accommodated.
  • the upper terminal housing recess 106u is formed in a recessed shape that opens downward on the lower surface of the cover 102u so that the connection terminal 104 can be fitted into the cover 102u from below.
  • the lower terminal accommodating recess 106d is formed in a concave shape that opens upward on the upper surface of the housing body 102d so that the connection terminal 104 can be fitted into the housing body 102d from above.
  • the cover 102u has a flat bottom surface without a concave shape, and only the upper surface of the housing main body 102d has a concave shape. may be adopted.
  • the lower terminal accommodating recess 106d is formed with a depth such that the entire vertical direction of the connection terminal 104 can be fitted therein, and when the cover 102u and the housing main body 102d are assembled, the lower terminal accommodating recess 106d can be A cover 102u covers the opening of the terminal housing recess 106d from above.
  • the housing body 102d includes a base portion 121, a front wall portion 122, a rear wall portion 123, and left and right side walls. It is composed of portions 124, 124 and a partition wall portion 125, which are integrally formed.
  • the base portion 121 forms the bottom plate of the housing main body 102d, and the upper surface of the portion of the base portion 121 corresponding to the lower terminal accommodating recess 106d in plan view forms the bottom surface of the lower terminal accommodating recess 106d.
  • the rear wall portion 123, the partition wall portion 125, and the left and right side wall portions 124, 124 are all formed in a vertical wall shape having a height slightly lower than the height of the attached connector housing 102.
  • the front wall portion 122 is formed in a vertical wall shape with substantially the same height as the attached connector housing 102 .
  • the upper portion of the front wall portion 122 is formed to protrude upward in a stepped manner from the upper surfaces of the pair of left and right side wall portions 124 and 124 and the partition wall portion 125 (see FIG. 22).
  • the side wall portions 124, 124 extend in the front-rear direction at both ends in the width direction of the housing body 102d. Therefore, the side walls 124 , 124 connect both ends in the width direction of the front wall 122 and the rear wall 123 .
  • the partition wall portion 125 extends in the front-rear direction so as to partition the box portion arrangement regions 161, which will be described later, on the left and right sides in the width direction.
  • the lower terminal accommodating recess 106d has 161 and a wire connecting portion arrangement area 162 .
  • the box portion arrangement area 161 the box portion 141 of the connection terminal 104 arranged so as to be fitted into the lower terminal accommodating recess 106d from above is arranged.
  • the wire connection portion arrangement area 162 the wire connection portion 143 and the transition portion 142 of the connection terminal 104 arranged so as to be fitted from above into the lower terminal accommodating recess 106d are arranged.
  • the inner wall of the lower terminal accommodating recess 106d faces the inner space of the lower terminal accommodating recess 106d by means of the vertical wall-shaped front wall 122, rear wall 123, side walls 124, 124, and partition wall 125. is formed as
  • the box portion arrangement areas 161 in the lower terminal accommodating recesses 106d on the left and right sides are partitioned in the width direction by the partition walls 125 as described above. ing. Also, the box portion arrangement area 161 is formed slightly wider than the width of the box portion 141 by the partition wall portion 125 and the side wall portions 124, 124 corresponding to the left and right sides, respectively, so that the box portion 141 can be fitted therein (FIG. 25). and FIG. 29(c)).
  • the box portions 141 of the two connection terminals 104 are arranged so as to be fitted into the box portion arrangement areas 161 provided in concave shapes on the left and right sides of the upper surface of the housing body 102d, respectively.
  • the box portion 141 is fitted and held in the width direction by the inner walls of the box portion arrangement area 161 formed by the left and right side walls 124 and 124 and the partition wall portion 125 .
  • the housing main body 102d is arranged such that the connection terminal 104 itself is fitted into the lower terminal accommodating recess portion 106d. It can be held in the width direction.
  • connection terminals 104 are held by the housing main body 102d is not limited to the above-described configuration in which the connection terminals 104 are held by fitting the box portions 141 into the box portion arrangement regions 161 of the lower terminal accommodating recesses 106d.
  • the housing main body 102d is provided with an engaging portion or the like that engages with the connecting terminal 104 arranged to be fitted into the lower terminal accommodating recess 106d on the inner wall of the lower terminal accommodating recess 106d.
  • a configuration in which the connection terminal 104 is held by an engaging portion or the like may be employed.
  • the engaging portion and the like may employ a known structure, and may be shaped like an engaging projection 129d as shown in FIG. 22, for example.
  • the housing body 102d is provided with a recessed shape with respect to the upper surface of the housing body 102d behind the box portion arrangement regions 161 on each side of the housing body 102d. wide recess 107 is formed.
  • the wide concave portion 107 partially includes wire connection portion arrangement areas 162 on the left and right sides, and the bottom surface is formed by the upper surface of the base portion 121 so as to have the same depth as the wire connection portion arrangement areas 162 . Further, the inner wall of the wide concave portion 107 is formed by the left and right side wall portions 124, 124, the rear wall portion 123, and the rear ends of the partition wall portion 125 so as to be surrounded by them.
  • the inner walls of the wide recess 107 at the widthwise outer ends of the left and right sides are wider than the inner walls of the widthwise outer ends of the box portion arrangement regions 161 corresponding to the left and right, respectively. It is formed wide so as to be positioned outward in the direction. Further, the wide concave portion 107 is formed so as to straddle the wire connection portion arrangement regions 162 in the width direction including the wire connection portion arrangement regions 162 on the left and right sides spaced apart in the width direction of the housing body 102d. ing. In other words, the wide recesses 107 are formed to communicate with each other in the width direction without being partitioned in the width direction by the partition wall portion 125 .
  • the rear ends of the box portion placement areas 161 on the left and right sides are opened toward the wide recessed portions 107, and the box portion placement areas 161 on the left and right sides and the wide recessed portions 107 communicate in the front-rear direction.
  • the housing main body 102d is formed with the wide concave portion 107 having the electric wire connecting portion arrangement areas 162 on the left and right sides in part in the width direction.
  • the coated wire 103 and the connection terminal 104 are used as a pair of pressure means.
  • the upper tool 181 and the lower tool 182 which are pressurizing tools are used for connection in the wire connection process, which will be described later.
  • 181 movable tool
  • the upper tool 181 is lowered from above to the wire connection portion 143 arranged in the housing body 102d. Since the lowered upper tool 181 enters the recessed space of the wide recess 107, it is possible to avoid interference between the upper tool 181 and the housing body 102d (see FIGS. 27(a) and 27(b)).
  • the tab of the mating connection terminal (male connection terminal) to be connected to the connection terminal 104 is inserted into the front wall portion 122 of the housing body 102d.
  • An insertion hole 122a is formed. Specifically, insertion holes into which the tabs of the mating connection terminals are inserted from the front are located on the left and right sides of the front wall portion 122 corresponding to the lower terminal housing recesses 106d when viewed from the front (viewed from the front to the rear). 122a is formed through in the front-rear direction.
  • the rear wall portion 123 of the housing body 102d is formed with a wire placement recess 123a in which the coated wire 103 is placed.
  • the electric wire arrangement recesses 123a in which the covered electric wires 103 are arranged are located on the left and right sides corresponding to the lower terminal accommodation recesses 106d in a rear view (viewed from the rear to the front). is formed in a concave shape with respect to the upper surface of the
  • the wire placement recess 123a is formed by connecting the covered wire 103 and the rear wall portion 123 in a state where the wire end portion 133 is placed in the wire connection portion 143 of the connection terminal 104 placed in the lower terminal accommodation recess 106d in a wire placement step to be described later. (see FIGS. 25 and 27(a)).
  • connection terminals 104 accommodated in the lower terminal accommodation recesses 106d are held so as not to be displaced in the front-rear direction. Specifically, the front end of the connection terminal 104 accommodated in the lower terminal accommodation recess 106 d abuts the rear surface of the front wall portion 122 . Further, the rear ends of the connection terminals 104 accommodated in the lower terminal accommodation recesses 106 d abut against the front surface of the rear wall portion 123 .
  • connection terminals 104 accommodated in the lower terminal accommodation recesses 106d abut against the front wall portion 122 and the rear wall portion 123, thereby moving the connection terminals 104 forward and backward relative to the lower terminal accommodation recesses 106d. position is restricted.
  • portions corresponding to the wire connection portion arrangement regions 162 on at least the left and right sides of the housing main body 102d in a plan view are formed by a pair of tools during a wire connection step to be described later.
  • 181 and 182 it corresponds to a portion that overlaps with the lower tool 182 (fixed tool) arranged on the lower side of the housing body 102d.
  • FIGS. 22, 23, 24(a), (b), and (c) at least portions corresponding to the wire connection portion arrangement regions 162 on the left and right sides of the housing body 102d in a plan view are This corresponds to a portion (hereinafter referred to as “pressurized portion Zp”) that is pressurized from the lower side of the housing body 102d by the lower tool 182 during the connecting process (FIGS. 26(a) and 26(b)). )reference).
  • the housing main body 102d has at least the pressurized portions Zp on the left and right sides formed as high-strength portions 110 having higher strength than other portions.
  • the high-strength portion 110 is provided with a protruding portion 111 that protrudes stepwise downward from the periphery of the portion corresponding to the high-strength portion 110 on the lower surface of the housing body 102d.
  • the portion of the base portion 121 corresponding to the high-strength portion 110 is thickened with respect to the periphery, so that the high-strength portion 110 has strength against pinching (pressurization in the thickness direction). is formed in a high shape.
  • the high-strength portion 110 has a plate thickness of each portion of the base portion 121 other than the high-strength portion 110, the front wall portion 122, the rear wall portion 123, and the left and right side wall portions 124 of the housing body 102d. It is formed thicker than the As a result, the high-strength portion 110, when indirectly pressurized from below the wire connection portion 143 via the high-strength portion 110 of the housing body 102d by the lower tool 182 in the wire connection step described later ( (see FIGS. 26(a) and (b)), the housing body 102d is formed to have a high strength against the surroundings so as to suppress destruction or deformation of the housing body 102d. In other words, the protuberances 111 reinforce at least the pressurized portions Zp on the left and right sides of the housing body 102d.
  • the protuberance 111 is integrally formed with other parts as a part of the housing main body 102d from a dielectric synthetic resin material.
  • the raised portion 111 is formed continuously on the lower surface of the housing body 102d, including at least the left and right pressurized portions Zp (portions corresponding to the wire connecting portion arrangement regions 162). .
  • the raised portion 111 is formed with the same amount of protrusion (amount of downward protrusion) over the entire raised portion 111 in a bottom view of the housing body 102d so that the lower surface of the raised portion 111 is flat ( See Figure 23).
  • the side opposite to the high-strength portion 110 that is, the opposite side (upper side) across the wire connection portion 143 of the wire connection portion arrangement region 162 in the state where the connection terminal 1044 is attached is open.
  • the cover 102u includes a flat plate-shaped top plate portion 127 and a width of the top plate portion 127. It is integrally formed with cover side walls 128, 128 extending downward from both sides.
  • the top plate portion 127 is configured to cover the housing body 102d including the front wall portion 122 from above.
  • the cover side wall portions 128, 128 are configured to cover the side wall portions 124, 124 from the outside in the width direction.
  • engaging projections 129d are formed on the outer surfaces of the side walls 124, 124 of the housing body 102d.
  • Engagement holes 129u that engage with the engagement projections 129d when the housing body 102d and the cover 102u are assembled are formed in portions of the cover side walls 128, 128 corresponding to the engagement projections 129d.
  • the engaging projection 129d and the engaging hole 129u are shown only in FIGS. 22 and 23.
  • the connector-equipped electric wire 101 is an assembly-type connector housing 102 in which a housing body 102d and a cover 102u are assembled and integrated.
  • the connection terminal 104 and the wire end portion 133 are housed inside in a connected state. Thereby, in the electric wire with connector 101 , the exposed conductor portion 131 a of the electric wire end portion 133 and the connection terminal 104 are electrically connected inside the attached connector housing 102 .
  • the manufacturing method of the electric wire 101 with a connector includes a terminal arranging process, an electric wire arranging process, an electric wire connecting process, and a cover assembling process.
  • the terminal arranging step is a step of arranging the connection terminals 104 on the housing main body 102d.
  • the wire placement step is a step of placing the wire end portion 133 in the wire connection portion 143 .
  • the wire connection step is a step of press-contacting the wire connection portion 143 and the coated wire 103 with a pair of tools 181 and 182 .
  • the cover assembling step is a step of assembling the cover 102u to the housing body 102d to complete the electric wire with connector 101. As shown in FIG.
  • a terminal arranging step of arranging the connection terminals 104 in the housing main body 102d is performed.
  • this terminal arranging process as shown in FIG. 25, two connection terminals 104 are mounted on the housing body 102d from above so as to be fitted into corresponding left and right lower terminal receiving recesses 106d provided in the housing body 102d. Deploy.
  • the box portion 141 of the connection terminal 104 is held by the housing body 102d, that is, by the inner wall of the box portion placement region 161 in the lower terminal accommodating recess 106d.
  • the transition portion 142 and the wire connection portion 143 of the connection terminal 104 are arranged in a state of being fitted in the wire connection portion arrangement region 162 , that is, the wide concave portion 107 .
  • the wire connection portion 143 is arranged in the wire connection portion arrangement area 162 in a posture in which both the pressure contact portion 144 and the insulation barrel portion 145 face upward (see FIGS. 25 and 26(a) and (b)). ).
  • the wire end portion 133 is arranged with respect to the wire connecting portion 143 from above.
  • the wire end portion 133 is arranged from above each of the pressure contact portion 144 and the insulation barrel portion 145.
  • the portion is arranged so as to straddle a pair of pressure contact pieces 144c provided on the pressure contact portion 144 in the front-rear direction.
  • the lower tool 182 is arranged below the wire connecting portion 143 and the coated wire 103, and the upper tool 181 is arranged above the pair of tools 181 and 182. (See FIGS. 26(a) and (b)).
  • the upper tool 181 includes an upper press tool 181a and an upper crimp tool 181b.
  • the lower tool 182 includes a lower press tool 182a and a lower crimp tool 182b.
  • an upper pressure contact tool 181a and a lower pressure contact tool 182a are used to press the pressure contact portion 144 and the wire end portion 133, and the upper pressure contact tool 181b is pressed. and the lower crimping tool 182b crimp the insulation barrel portion 145 and the wire end portion 133 together.
  • the lower pressure contact tool 182a and the lower pressure contact tool 182b are set so as to be disposed below the housing body 102d.
  • the upper surface (pressure surface 182au) of the lower pressure contact tool 182a and the upper surface (pressure surface 182bu) of the lower pressure contact tool 182b are brought into contact with the lower surface of the housing body 102d corresponding to the pressurized location Zp.
  • the upper tool 181 (the upper pressure welding tool 181a and the upper crimping tool 181b) arranged above the wire end portion 133 is lowered.
  • the pressure contact portion 144 and the wire end portion 133 are sandwiched from both upper and lower sides (both sides in the sandwiching direction) by the upper pressure contact tool 181a and the lower pressure contact tool 182a.
  • the upper crimping tool 181b and the lower crimping tool 182b sandwich the insulation barrel portion 145 and the wire end portion 133 from both upper and lower sides (both sides in the sandwiching direction) and connect them by crimping.
  • the conductor 131 is fitted into the recess 144d of the pressure contact piece 144c of the pressure contact portion 144, and the insulation coating portion 132 is torn by the pressure contact piece 144c.
  • Covered wire 103 and connection terminal 104 are electrically connected by contacting the periphery of recess 144d of piece 144c.
  • the insulation barrel portion 145 In the insulation barrel portion 145, the insulation barrel portion 145 is plastically deformed so that the barrel piece 145b wraps around the outer circumference of the covering end portion 132a. As a result, the covering end portion 132a is crimped by the insulation barrel portion 145, as shown in FIG. 26(b). Therefore, the holding force with which the connection terminal 104 holds the wire end portion 133 can be increased.
  • the lower tools 182 indirectly connect the wire connection portion 143 from below via the high-strength portion 110 of the housing body 102d. (See FIGS. 26(a) and (b)).
  • the high-strength portion 110 on which the pressure acts is reinforced by the raised portion 111, so that the housing body 102d is not damaged. . That is, the coated wire 103 and the connection terminal 104 can be connected to each other while being arranged in the housing main body 102d.
  • the assembly type includes the conductive connection terminal 104 having the wire connection portion 143 connected to the coated wire 103 and the dielectric housing main body 102d holding the connection terminal 104.
  • the housing main body 102d is provided with a wire connection portion arrangement area 162 in which the wire connection portion 143 is arranged. Since the upper portion U of the arrangement region 162 sandwiching the connection terminal 104 is open, when the covered wire 103 is connected to the connection terminal 104 held by the housing body 102d, the connection terminal can be connected without buckling the covered wire 103. 104 can be appropriately connected.
  • connection terminal 104 attached to the housing body 102d
  • the wire connection portion 143 and the covered wire 103 are connected to the wire connection portion 143 arranged in the wire connection portion arrangement area 162 of the housing body 102d.
  • the wire connection portion 143 and the covered wire 103 can be reliably connected by directly applying a tool from the opening.
  • the covered wire 103 can be connected to the wire connection portion 143 after the connection terminal 104 is attached to the housing body 102d. It prevents the occurrence of troubles such as the buckling of the covered wire 103 at the time of attachment, and prevents deterioration of the transmission characteristics and durability of the covered wire 103 due to the buckling of the covered wire 103 connected to the assembly type connector housing 102. can be suppressed.
  • the housing main body 102d has a fixing structure for fixing the connection terminal 104
  • the wire connection portion 143 of the connection terminal 104 fixed to the housing main body 102d can be fixed to the wire connection portion arrangement area 162. Therefore, a tool that directly acts through the opening can reliably act on the wire connection portion 143, and the wire connection portion 143 and the covered wire 103 can be more firmly connected in the connected state.
  • the connection terminal 104 can be protected by the housing body 102d, and the connection terminal 104 can be stably fixed to the housing body 102d.
  • the connector-equipped wire 101 has a wire connecting portion 143 electrically connected to the covered wire 103 having the conductor 131 therein. , and a dielectric (insulating) housing main body 102d that holds the connection terminal 104.
  • a wire connection portion arrangement area 162 (connection portion arrangement portion) in which the wire connection portion 143 is arranged is provided in the housing body 102d, and the wire connection portion 143 arranged in the wire connection portion arrangement area 162 and the wire connection portion 143 are arranged.
  • the covered wire 103 is sandwiched by a pair of tools 181 and 182 from both sides and connected to each other (see FIGS. 27(a) and 27(b)).
  • the lower tool (one of the tools) of the pair of tools 181 and 182 is arranged on the lower side of the housing main body 102d (in the direction in which these tools are sandwiched, the electric wire connection portion arrangement in the housing main body 102d). 162) and presses the wire connecting portion 143 via the housing body 102d.
  • the pressurized portion Zp of the housing body 102d pressurized by the lower tool 182 is a high-strength portion 110 having a higher strength than other portions (FIGS. 23 and 29(a), (b). ), see (c)).
  • the covered wire 103 and the connection terminal 104 can be appropriately connected without buckling of the covered wire 103. can. Therefore, deterioration of transmission characteristics and durability of the coated wire 103 connected to the housing main body 102d can be suppressed.
  • the wire connection portion 143 arranged in the wire connection portion arrangement area 162 and the covered wire 103 arranged in the wire connection portion 143 are separated from both sides by a pair of tools 181 and 182. Pinched and connected to each other.
  • the lower tool 182 is arranged so as to directly abut against the pressurized portion Zp (high-strength portion 110) of the housing body 102d from below, and in the wire connection process, the pressurized portion Zp is pressed. Pressurize the wire connecting portion 143 through the wire.
  • connection terminal 104 and the covered wire 103 are separately arranged with respect to the housing body 102d, and pressure-connected by a pair of tools 181 and 182, so that the terminal to which the connection terminal 104 is connected can be connected as in the prior art.
  • the connection terminal 104 and the covered wire 103 can be connected in the housing body 102d without inserting the terminal portion of the attached wire into the connector housing.
  • the covered wire 103 and the connection terminal 104 can be properly connected without the covered wire 103 buckling.
  • connection terminal 104 is arranged on the pressure surface 182au of the lower tool 182 of the pair of tools 181 and 182.
  • two terminal arrangement operations of arranging the connection terminals 104 in the housing main body 102d are combined into one terminal arrangement operation of arranging the connection terminals 104 in the housing main body 102d. It is possible to put them together and simplify the work of arranging the terminals.
  • an electric wire with a terminal to which the connection terminal 104 is connected is prepared in advance, and the terminal portion of the electric wire with the terminal is attached to the connector housing. It is conceivable to connect them by arranging them so as to be fitted in the lower terminal accommodating recess 106d provided on the upper surface of the terminal.
  • connection method it is not necessary to insert the terminal portion of the electric wire with the terminal to which the connection terminal 104 is connected in advance into the connector housing, unlike the conventional method. Therefore, there is an advantage that the possibility of buckling of the covered electric wire 103 can be eliminated when the covered electric wire 103 is connected to the connector housing.
  • the electric wire with a connector is manufactured by arranging the terminal portion of the electric wire with the terminal to which the connecting terminal 104 and the covered electric wire 103 are connected in advance in the connector housing, the arrangement of the connecting terminal 104 is performed in the manufacturing process. There is a problem that the work requires time and effort.
  • the lower tool 182 (fixed tool) of the pair of tools 181 and 182 is applied as a pre-stage of pressure application by the pair of tools. It is necessary to perform an operation of arranging the connection terminals 104 on the pressure surface. Furthermore, in the step of attaching the terminal to the connector housing, it is necessary to arrange the terminal portion of the electric wire with the terminal in the connector housing. Therefore, in such a conventional method for producing a connector-equipped electric wire, it is necessary to arrange terminals for each process, which is troublesome.
  • connection terminals 104 are simply arranged in the housing body 102d, and the connection terminals 104 are connected to the housing body by a pair of tools 181 and 182 for pressure connection of the connection terminals 104.
  • 102d and the terminal arrangement work of fitting the connection terminals 104 into the housing body 102d in order to hold (attach and fix) the connection terminals 104 to the housing body 102d. It is possible to simplify the work of arranging the terminals.
  • connection terminals 104 when a plurality of connection terminals 104 are provided on an electric wire with a connector, it is necessary to arrange the connection terminals 104 one by one according to the number in the terminal arrangement work. For this reason, when it is necessary to perform the terminal arrangement work for each process as in the conventional method of producing an electric wire with a connector, as the number of connection terminals 104 increases, the terminal arrangement work to be performed as a whole requires Increased effort.
  • the manufacturing method of the present invention described above for example, even when connecting a plurality of thin covered wires 103 to the housing main body 102d, a plurality of wires existing according to the number of the plurality of covered wires 103 , the work for arranging the connection terminals 104 can be combined into one between each process, and the work efficiency for connecting the connector 105 and the coated wire 103 can be greatly improved.
  • connection terminal 104 and the covered wire 103 can be arranged in one place, so that the apparatus for manufacturing the connector-equipped wire 101 can be made compact.
  • the high-strength portion 110 has a load bearing portion of the housing body 102d.
  • a protruding portion 111 is provided by protruding the press point Zp toward the lower side of the periphery of the pressurized point Zp, that is, toward the lower tool 182 side (one tool side). According to the above configuration, by providing the raised portion 111 in the high-strength portion 110 of the housing body 102d, the pressurized portion Zp of the housing body 102d can be thickened and reinforced.
  • the dielectric constant of the raised portion 111 becomes larger than that of the air.
  • the characteristic impedance at the connecting portion 103C tends to decrease.
  • the characteristic impedance at the connection portion 103C of the coated wire 103 is higher than the predetermined range, the characteristic impedance can be matched within the predetermined range by providing the raised portion 111 on the high-strength portion 110. can.
  • the impedance may be adjusted by extending the raised portion 111 to part of the base portion 121 .
  • the twisted pair electric wire 135 formed by twisting a pair of covered electric wires 103 provided in the electric wire 101 with a connector of the sixth embodiment is generally used in a CAN system communication system.
  • untwisted portions 135 a are formed at each wire end portion 133 of a twisted pair electric wire 135 obtained by twisting two coated wires 103 to untwist and be arranged at a wire connecting portion 143 . It is a thing.
  • the twisted pair electric wire 135 is generally used in a CAN system communication system, and in the CAN system communication system, the characteristic impedance is often set in the range of 95 to 140 ⁇ . Due to the formation of the untwisted portion 135a in 103C, the characteristic impedance may deviate from the predetermined value, that is, be outside the range of 95 to 140 ⁇ .
  • the characteristic impedance of the connection portion 103C of the covered wire 103 to the housing body 102d is 95 to 140 ⁇ , more preferably 120 ⁇ 10%, depending on the size and shape of the raised portion 111 formed on the housing body 102d. can be matched so as to be in the range of
  • the communication protocol is, for example, the so-called Ethernet (registered trademark)
  • the characteristic impedance of the connection portion 103C is 90 to 110 ⁇ , that is, within the range of 100 ⁇ 10%.
  • the wire connection portion 143 is provided with a pressure contact piece 144c that is pierced and press-contacts with the wire end portion 133. As shown in FIG.
  • the wire connection portion 143 with the pressure contact piece 144c that is pressed against the wire end portion 133 by piercing the wire end portion 133, when connecting the wire end portion 133 and the wire connection portion 143, the wire end portion There is no need to peel off the insulating coating portion 132 of 133 . Moreover, it is not necessary to plastically deform the pressure contact piece 144c by pressurization in the wire connection process.
  • the wire connection portion 143 can be compactly configured, the pair of tools 181 and 182 for applying pressure to the connection terminal 104 can be made compact, and the housing body 102d has a high-strength pressurized by the lower tool 182.
  • the section 110 can also be made compact.
  • the housing body 102d and the connection terminals 104 are housed inside together with the housing body 102d.
  • the assembly type connector housing 102 is constituted by the cover 102u (connector housing cover) assembled to the housing main body 102d.
  • connection portion connecting the covered wire 103 and the connection terminal 104 inside the housing body 102d and the cover 102u, the connection portion can be protected from external factors.
  • a connector-equipped electric wire 101A of the seventh embodiment does not have a raised portion 111 in a high-strength portion 110A unlike the high-strength portion 110 described above.
  • a metal plate 112 is provided as a material having higher strength than the synthetic resin material that is the main forming material of the housing body 102Ad.
  • the metal plate 112 is formed thinner than the plate thickness of the base portion 121A of the housing main body 102Ad, and is provided inside the housing main body 102Ad. That is, the housing body 102Ad is insert-molded so that the metal plate 112 is embedded in a portion of the base portion 121A corresponding to the pressurized portion Zp (see FIGS. 30(b) and 30(c)).
  • the housing main body 102Ad reinforces the pressurized portion Zp with the metal plate 112 .
  • the metal plate 112 is disposed at least at the pressurized portion Zp of the housing body 102Ad, in other words, at a portion that coincides with the raised portion 111 described above in plan view.
  • the base portion 121A is formed so that the high-strength portion 110A and its periphery have the same plate thickness even in a mode in which the metal plate 112 is embedded in the high-strength portion 110A (FIG. 30(b)). , (c)). That is, the lower surface of the housing main body 102Ad is formed flat so that the portion corresponding to the high-strength portion 110A and its periphery are flush with each other.
  • the other parts of the housing body 102Ad are formed only of synthetic resin (non-metallic material), and the high-strength part 110A has the metal plate 112 (made of metal) having a higher strength than the other parts. member).
  • the strength of the pressurized portion Zp can be increased without increasing the thickness of the pressurized portion Zp compared to other portions. can. Therefore, the strength of the pressurized portion Zp against the pressure of the lower tool 182 can be increased without increasing the size of the housing body 102Ad.
  • the rigidity of the pressurized location Zp can be increased. Therefore, in the wire connection process, the pressure force indirectly input from the lower tool 182 to the wire connection portion via the pressurized portion Zp in the housing body 102Ad can be efficiently transmitted to the wire connection portion.
  • the rust prevention of the metal plate 112 can be enhanced. Furthermore, by interposing the metal plate 112 in the pressurized portion Zp in the housing body 102Ad, the characteristic impedance of the location where the metal plate 112 is arranged tends to decrease, similar to the case where the raised portion 111 is provided in the high-strength portion 110. There is This tendency can be used to match the characteristic impedance within a predetermined range.
  • a cover 102Bu of an assembly type connector housing 102B (hereinafter abbreviated as "assembly type connector housing 102B") provided in an electric wire 101B (connector 105B) with a connector according to the eighth embodiment includes: , through-holes 120 are formed to penetrate vertically.
  • the through-holes 120 are formed in the width direction (horizontal direction) over portions of the cover 102Bu facing the wire connecting portion arrangement areas 162 on the left and right sides of the housing body 102d.
  • the through-hole 120 is positioned above the cover 102Bu of the pair of tools 181 and 182 when performing the wire connection step described later with the housing body 102d covered from above by the cover 102u.
  • the upper tool 181 is formed with respect to the cover 102Bu in a size and shape that does not interfere with the cover 102Bu even when the upper tool 181 (movable tool) descends.
  • the through hole 120 passes through the cover 102Bu from above to below when the upper tool 108 descends during the wire connection process, or is temporarily present in a portion corresponding to the cover 102Bu. It is formed in a size and shape that allow
  • the through hole 120 is formed with a size and shape that match the characteristic impedance of the connection portion 103C of the coated wire 103 to the attached connector housing 102 within a predetermined range.
  • the cover assembling step is performed between the electric wire placement step and the electric wire connecting step, not after the electric wire connecting step.
  • the wire connection portion 143 of the connection terminal 104 is arranged in the lower terminal accommodating recess 106d from above, and an arrow s2 in FIG. 2, in the wire placement step, the wire end portion 133 is placed from above with respect to the wire connection portion 143 of the connection terminal 104 placed in the lower terminal accommodating recess 106d of the housing body 102d.
  • the terminal arranging step and the electric wire arranging step may be performed at the same time. That is, in a state in which the wire end portion 133 is placed above the wire connection portion 143 of the connection terminal 104, the wire end portion 133 and the wire connection portion 143 may be placed in the lower terminal accommodating recess 106d.
  • the cover 102Bu is assembled to cover the housing body 102d from above.
  • the wire connection portion 143 and the wire end portion 133 are accommodated inside the attached connector housing 102B without being connected to each other, and are exposed to the outside through the through hole 120 formed in the cover 102Bu. .
  • the lower tool 182 inserts the wire connection portion 143 of the connection terminal 104 arranged in the lower terminal accommodating recess 106d into the housing main body 102d as described above.
  • the high-strength portion 110 is provided so as to indirectly abut against the pressure-receiving portion Zp from below.
  • the upper tool 181 is lowered from above the cover 102Bu to the wire end portion 133 arranged in the wire connection portion 143 .
  • the housing body 102d is covered from above by the cover 102Bu, and a through hole 120 is formed in the cover 102Bu at a portion directly above the lower terminal accommodating recess 106d. Therefore, as shown in FIG. 32(a), even if the upper tool 181 is lowered from above the cover 102Bu with respect to the wire end portion 133 arranged in the wire connection portion 143, the upper tool 181 is lowered as shown in FIG. Thus, the upper tool 181 can directly press the wire connecting portion 143 and the wire end portion 133 without interfering with the cover 102Bu.
  • the lower tool 182 indirectly presses the wire connecting portion 143 from below via the high-strength portion 110 of the housing body 102d (see FIG. 32(b)).
  • the upper tool 181 and the lower tool 182 can crimp and connect the wire connection portion 143 and the wire end portion 133 so as to sandwich the wire connection portion 143 and the wire end portion 133 from above and below, as shown in FIGS.
  • the connector-equipped electric wire 101B (connector 105B) of the eighth embodiment can be obtained.
  • the wire connection portion 143 of the connection terminal 104 and the wire end portion 133 can be connected in a state where the cover 102Bu is assembled to cover the housing body 102d from above.
  • connection terminals 104 arranged in the lower terminal accommodation recesses 106d and the wire end portions 133 arranged in the wire connection portions 143 of the connection terminals 104 do not move with respect to the lower terminal accommodation recesses 106d during the wire connection process.
  • the connection terminal 104 and the wire end portion 133 can be held so as to be covered from above by the cover 102Bu so as not to be displaced or pulled out.
  • the upper tool 181 and the lower tool 182 can be used to easily connect the wire connection portion 143 and the wire end portion 133 as compared with the case where the cover 102Bu is not used to hold down the wire connection portion 143 and the wire end portion 133. can be connected (press-welded) to each other and with high accuracy.
  • the cover 102Bu in addition to providing the raised portion 111 as the high-strength portion 110 at the pressurized portion Zp of the housing body 102d, the cover 102Bu is formed with the through hole 120.
  • the characteristic impedance of the connection portion 103C of the covered wire 103 to the housing body 102d is set within a predetermined range. can be consistent with
  • the portion corresponding to the high-strength portion 110 formed in the cover 102Bu is filled with air having a lower dielectric property than the synthetic resin material forming the cover 102Bu, connection of the covered wire 103 to the housing main body 102d
  • the characteristic impedance in the portion 103C tends to be high.
  • the characteristic impedance tends to decrease because the dielectric constant of the raised portion 111 is higher than that of air.
  • the cover 102Bu and the housing body 102d can be expected to have opposite effects. Fine matching can be obtained.
  • the cover 102Bu and the housing main body 102d are not integrally formed by a single member.
  • the cover 102Bu and the housing main body 102d are configured by separate members so that they can be assembled.
  • connection terminals are arranged in a state in which the cover 102Bu is not attached to the housing main body 102d.
  • the wire connecting portion 143 of 104 can be placed in the lower terminal accommodating recess 106d from above (see FIG. 31).
  • the wire end portion 133 can be arranged with respect to the wire connection portion 143 in a state where the cover 102Bu is not attached to the housing body 102d in the wire arrangement process (same as above). (see diagram).
  • the wire connection portion 143 and the wire end portion 133 are separated from each other at the time of manufacture, like the connector housing in which the housing main body 102d and the cover 102Bu are integrated. No need to insert inside the connector housing. Therefore, the wire connecting portion 143 and the wire end portion 133 can be easily arranged from above with respect to the housing main body 102d without the risk of buckling unlike when they are inserted into the connector housing.
  • the number of terminals is larger than that of the conventional method of manufacturing an electric wire with a connector. It is possible to simplify the arrangement work.
  • the pressing surface 182au of the lower tool 182, 182bu requires the work of arranging the connection terminal 104 .
  • the connection terminal 104 connected to the electric wire end portion 133 is inserted into the connector housing. work needs to be done.
  • an integrated type assembly type connector housing 102C (hereinafter referred to as “assembly type The connector housing 102C'') is formed integrally with portions corresponding to the housing main body 102d and the cover 102Bu in the assembly type connector housing 102 of the sixth embodiment.
  • the assembly-type connector housing 102C is formed to have a terminal accommodating chamber 106 therein, like the assembly-type connector housing 102 of the sixth embodiment. Specifically, the assembly type connector housing 102C is formed in a hollow shape having at least two terminal accommodating chambers 106 arranged side by side in the width direction (horizontal direction) so as to accommodate two connection terminals 104. ing. As shown in FIGS. 34(b) and 34(c), the assembly type connector housing 102C is formed with an upper wall portion 127' at a portion corresponding to the cover 102Bu (upper surface).
  • the terminal accommodating chamber 106 is configured without being divided into an upper terminal accommodating recess 106u and a lower terminal accommodating recess 106d.
  • the base portion 121 corresponding to the lower wall portion has a raised portion as the high-strength portion 110.
  • a portion 111 is provided, and a through hole 120 is formed in the upper wall portion 127'.
  • connection terminal 104 is inserted into the assembly type connector housing 102C through the electric wire arrangement recess 123a formed through the rear wall portion 123'. is inserted into the terminal receiving chamber 106 provided in the .
  • the box portion 141 of the connection terminal 104 is arranged in the box portion arrangement region 161 in the terminal accommodating chamber 106 , and the wire connection portion 143 of the connection terminal 104 is arranged in the wire connection portion arrangement region 162 in the terminal accommodation chamber 106 . placed.
  • the wire end portion 133 is inserted into the terminal accommodating chamber 106 (wire connection portion placement region 162) provided inside the assembly type connector housing 102C through the wire placement recess 123a formed through the rear wall portion 123'. insert As a result, the wire end portion 133 is arranged above the wire connection portion 143 of the connection terminal 104 . In this state, the wire end portion 133 and the wire connection portion 143 are accommodated (stored) inside the assembly type connector housing 102C in a state in which they are not connected to each other.
  • the terminal arranging step and the electric wire arranging step may be performed at the same time. That is, in a state in which the wire end portion 133 is arranged above the wire connection portion 143 of the connection terminal 104, the connection terminal 104 and the wire end portion 133 may be simultaneously inserted into the terminal accommodating chamber 106 through the wire arrangement recess 123a. .
  • the upper tool 181 is directly above the wire connection portion 143 and the wire end portion 133 through the through hole 120 without interfering with the upper wall of the attached connector housing 102C.
  • the lower tool 182 indirectly presses the wire connection portion 143 and the wire end portion 133 from below via the high-strength portion 110 of the housing body 102d.
  • the wire connection portion 143 and the wire end portion 133 can be crimped and connected to each other so as to be sandwiched from both upper and lower sides.
  • connection terminals 104 when arranging the connection terminals 104 in the terminal accommodating chambers 106, they may be inserted into the terminal accommodating chambers 106 through the through-holes 120 instead of being inserted through the wire arrangement recesses 123a.
  • the wire connection portion 143 and the wire end portion 133 are inserted in the terminal arrangement step and the wire end portion 133, respectively, through the wire arrangement concave portion 123a and the terminal receiving chamber 106 in the terminal arrangement step. It is different from the method of manufacturing the connector-equipped electric wire 101B of the eighth embodiment in that it is inserted into the .
  • connection terminal 104 is inserted into the attached connector housing 102C through the electric wire arrangement recess 123a before the electric wire connection step. After that, the wire end portion 133 is inserted through the wire placement recess 123a into the assembled connector housing 102C and placed over the wire connection portion 143. As shown in FIG.
  • the wire can be smoothly inserted into the terminal accommodating chamber 106 through the wire placement recess 123a, compared to the case where the wire end portion 133 and the wire connection portion 143 are connected in advance.
  • the wire end portion 133 and the wire connecting portion 143 can be separately inserted into the terminal accommodating chamber 106 through the wire arrangement recess 123a.
  • the wire end portion 133 and the connection terminal 104 can be inserted smoothly without buckling during each insertion.
  • the base portion 121 of the housing main body 102d is provided with the raised portion 111 as the high-strength portion 110.
  • the through hole 120 in the upper wall portion 127 ′ the size and shape of the through hole 120 as well as the size and shape of the raised portion 111 can be adjusted according to the size and shape of the through hole 120 .
  • the matching can be performed so that the characteristic impedance of the connecting portion 103C to is within a predetermined range. That is, the characteristic impedance can be matched more finely than when matching is performed based only on the size and shape of the raised portion 111 .
  • a connector unit 150 of the present embodiment includes a plurality (two in this example) of the connector-equipped electric wires 101B of the eighth embodiment described above, and each of the plurality of connector-equipped electric wires 101B and a unit housing 151 for holding the connector 105B (attachment type connector housing 102B) provided in.
  • arrow Y in FIGS. 35 and 36 indicates the depth direction of the unit housing 151
  • arrow Y1 indicates one side in the depth direction
  • arrow Y2 indicates the other side in the depth direction.
  • FIG. 35 the detailed illustration of the internal structure (the connection portion between the connection terminal 104 and the wire end portion 133) is visible from the outside of the connector 105B through the cover-side through hole 110u provided in the attached connector housing 102B. are omitted.
  • the unit housing 151 is made of a synthetic resin material and has a connector fitting portion 155 as an internal space for fitting and holding substantially the entirety of a plurality of (two in this example) connectors 105B.
  • a plurality of connector fitting portions 155 are arranged in the width direction corresponding to the plurality of connectors 105B, and each of them is formed in the same shape and divided.
  • the connector fitting portion 155 is formed through the interior of the unit housing 151 in the depth direction.
  • a connector insertion opening 155a for inserting the connector 105B into the connector fitting portion 155 is formed on one side of the connector fitting portion 155 in the depth direction.
  • a terminal insertion opening 154 (see FIG. 36) into which a male terminal 165 provided in a mating connector unit 160 to be described later can be inserted is formed on the other side of the connector fitting portion 155 in the depth direction.
  • the terminal insertion opening 154 has a width of one connector insertion portion 155 corresponding to two insertion holes 122a (see FIG. 22) provided in the front wall portion 122 of the attached connector housing 102B. Two are arranged in the direction. That is, four terminal insertion openings 154 are arranged in the width direction corresponding to the two connector fitting portions 155 on the other end surface of the unit housing 151 in the depth direction (see FIG. 36).
  • the insertion hole 122a provided in the attached connector housing 102B and the terminal insertion opening 154 provided in the unit housing 151 are separated. communicate with each other in the depth direction.
  • the connector unit 150 of this embodiment is configured as a female connector unit having multiple poles (four poles in this example, that is, four terminal insertion openings 154) corresponding to the two attached connector housings 102B. be.
  • connection counterpart connector unit 160 is configured as a male connector unit having four poles so as to be connectable to the connector unit 150 of the present embodiment from the other side in the depth direction.
  • the connection counterpart connector unit 160 of the present embodiment is connected to the tip of the cable 163, but may be connected to a connector or terminal mounted on the board.
  • the male terminal 165 provided in the side connector unit 160 has a protruding piece 165a (tab) at the tip provided inside the connector 105B through the terminal insertion opening 154 (see FIG. 36) and the insertion hole 122a (see FIG. 36). It is inserted into the box portion 141 (see FIGS. 22 and 28) of the connection terminal 104 and electrically connected to the connection terminal 104 .
  • the unit housing 151 is provided with a shield shell 157 so as to surround the pair of connector fitting portions 155 from both sides in the width direction and from above.
  • the shield shell 157 can be arranged in at least one direction out of all directions, such as surrounding all directions around the center axis extending in the depth direction of the unit housing 151 .
  • the shield shell 157 of this embodiment is formed of a metal plate that is bent so as to have a size corresponding to substantially the entire surfaces of the upper wall portion and the left and right side wall portions. and the left and right side wall portions by insert molding.
  • the shield shell 157 may be press-fitted into the unit housing 151 or may be formed so as to cover the outer circumference of the unit housing 151 .
  • the connector unit 150 includes a metal shield shell 157 in the unit housing 151, thereby electromagnetically shielding the connection portion between the assembly type connector housing 102B and the connector holding portion 154 and the connection portion with the mating connector unit 160. can do.
  • the two sets of twisted pair electric wires 135 corresponding to the two assembly type connector housings 102B held in the unit housing 151 are covered with a braided wire 158 from the outer peripheral side of each twisted pair electric wire 135 along the longitudinal direction.
  • the shield shell 157 is electrically connected to the terminal end of a braided wire 158 covering the outer circumference of the coated wire 103 along the longitudinal direction.
  • the shield shell 157 may be provided not only in the unit housing 151 but also in the attached connector housing 102B, or may be provided only in the attached connector housing 102B. Alternatively, the shield shell 157 may be provided on both the inner periphery of the connector fitting portion 155 of the unit housing 151 and the outer periphery of the attached connector housing 102B.
  • the inner peripheral shield shell 157 of the connector fitting portion 155 of the unit housing 151 and the outer peripheral shield shell (not shown) of the attached connector housing 102B are electrically connected.
  • the braided wire 158 is preferably connected to a shield shell (not shown) provided around the perimeter of the assembled connector housing 102B.
  • the through hole 120 formed in the upper wall portion 127' of the assembly type connector housing 102B is fitted with the connector. It can be covered by the inner wall of recess 155 .
  • the waterproofness of the connection portion between the wire connection portion 143 and the wire end portion 133 is enhanced as compared with the case where the connector 105B is used alone without being fitted. be able to.
  • the connector unit 150 of the present embodiment holds a plurality of connectors in the connector holding portion 154 of the unit housing 151, so that a structure having multiple poles (four poles in this example) can be easily configured.
  • the connector unit of the present invention is not limited to the configuration in which the plurality of connector fitting portions 155 are arranged in the width direction of the unit housing 151 as described above, but can be arranged in the width direction and the vertical direction of the unit housing. It is possible to have a configuration in which a plurality of them are provided in at least one direction.
  • the connector unit of the present invention is not limited to the configuration in which only the connector fitting portion 155 for accommodating the connector 105B is provided like the unit housing 151 described above.
  • a configuration provided with a terminal fitting portion into which the connection terminal 104 can be fitted independently may be adopted.
  • the present invention is not limited to the configurations of the first to fifth embodiments described above, and can be formed in various embodiments.
  • the coated electric wire 103 provided in the electric wires 101, 101A, 101B, and 101C with connectors of the above-described embodiments employs a twisted pair electric wire formed by twisting two of the electric wires, but the twisted pair electric wire is limited. Instead, untwisted pair wires may be employed.
  • the electric wire may be a pair electric wire provided with a pair of conductors 131 arranged substantially in parallel (parallel) so that the distance between them is substantially constant along the longitudinal direction.
  • a pair of electric wires is a pair of conductors 131 that are arranged substantially in parallel (parallel) so that the distance between them is substantially constant along the longitudinal direction, for example, like a ribbon electric wire, regardless of whether they are twisted or not. may be integrally covered with the insulating covering portion 132 .
  • the paired electric wire may be, for example, a pair of conductors 131 each independently covered with an insulating covering portion 132 like a power cable. Furthermore, regardless of whether the paired electric wires are twisted or not, it is preferable that the pair electric wires are covered with an electromagnetic shielding member made of braided wire, metal foil, or the like. It may be a configuration without
  • the connector housing provided in the present invention mainly includes the housing main body 102d (lower terminal accommodating concave portion) between the housing main body 102d and the cover 102u. 106d), the connection terminal 104 is held by the cover 102u (upper terminal housing recess 106u).
  • the connector housing provided in the present invention may adopt a configuration in which the connection terminals 104 are substantially fitted into the cover 102u instead of the housing main body 102d.
  • the raised portion 111 provided at the pressurized location Zp of the sixth embodiment and the metal plate 112 provided at the pressurized location Zp of the seventh embodiment correspond to the left and right wire connection portion arrangement regions 162. You may provide independently so that it may space apart for every to-be-pressurized location Zp.
  • the wire connection portion of the present invention is not limited to the structure provided with the pressure contact piece 144c like the wire connection portion 143 described above, and may be the wire barrel portion 44 or the insulation barrel portion 45 shown in FIG.
  • a crimping piece (barrel piece ) may be employed.
  • the crimping piece By providing the crimping piece at the wire connecting portion in this manner, in a state where the terminal is arranged in the connector housing, the crimping piece is applied so as to cover the conductor 131 exposed from the insulating coating portion 132 at the terminal end of the wire. By tightening, the covered wire 103 and the connection terminal 104 can be firmly connected.
  • the present invention can employ a configuration in which a through hole is provided in the cover like the cover 102Bu provided for the electric wire with connector 101B of the eighth embodiment.
  • the present invention provides various aspects that allow at least the upper tool 181 of the pair of tools 181 and 182 to pass through or temporarily exist in the wire connection process when a through hole is provided in the cover. (size, shape, site, number, etc.).
  • the cover-side through-holes are formed when the pair of tools 181 and 182 (particularly, the upper side tool 182) is pressed against the covered wire 103 and the connection terminal 104 in a state where the housing body 102d is covered from above by the cover u.
  • it may be formed in a shape different from that of the cover-side through-hole 120u of the eighth embodiment.
  • the present invention may apply the configuration in which the cover is provided with through holes to the cover 102u provided for the electric wire with connector 101A of the seventh embodiment.
  • the shield shell 157 provided in the unit housing 151 of the connector unit 150 of the tenth embodiment is mounted on the outer periphery of the assembly type connector housing 102B, that is, the assembly type connector housing 102B of the sixth embodiment.
  • the invention is not limited to this configuration, and the outer periphery of the assembled connector housing 102A of the seventh embodiment, the outer periphery of the assembled connector housing 102B of the eighth embodiment, or the ninth embodiment.
  • a configuration provided on the outer periphery of the assembly type connector housing 102C may be employed.
  • the partition wall portion 125 provided in the assembly type connector housing 102 of the sixth embodiment is formed so as to partition the box portion arrangement regions 161 on the left and right sides in the width direction, which will be described later (Fig. 22), in the connector housing of the present invention, if the partition wall portion 125 partitions the terminal accommodating chamber 106 (lower terminal accommodating recess 106d), the vertical wall partitions the wire connecting portion arrangement region 162 in the width direction.
  • a configuration formed in a shape may also be employed.
  • a connector-equipped electric wire 10101' (attachment type connector housing 102') according to a modification of the sixth embodiment is
  • the partition wall portion 125 is formed to include a box portion partition portion 125a and a wire connection portion partition portion 125b, and extends linearly and continuously so as to connect the front wall portion 122 and the rear wall portion 123 in the front-rear direction.
  • the wire connection portion partition wall portion 125b is configured to guide the wire connection portion 143 arranged in the wire connection portion arrangement area 162 (connection portion arrangement portion) from the inner side (central side) in the width direction.
  • the wire connecting portion partition portion 125b is designed so as not to interfere with the lowering upper tool 181 when the pressure contact portion 144 and the wire end portion 133 are sandwiched from above and below by the pair of tools 181 and 182 and are press-connected to each other. It is formed to have a lower height and a smaller width than the box portion partition wall portion 125a.
  • the wire connection portion partition wall portion 125b can enhance the function of guiding the wire connection portion 143 arranged in the wire connection portion arrangement area 162. It is possible to prevent the connection terminal 104 from being displaced when the terminal portion 133 is pressure-connected from both upper and lower sides.
  • connection portions between the wire end portion 133 and the wire connection portion 143 are accommodated in the assembly type connector housing 102' in a state of being aligned in the width direction, but the relative positions of the pair of connection portions are Since there is no variation with respect to the relative position before connection, the characteristic impedance of the connection portion 103C can be set to an intended value or a value as close to that value as possible.
  • the partition wall portion of the present invention has a configuration and a shape (large size) that do not interfere with the lower tool 181 when the pressure contact portion 144 and the wire end portion 133 are sandwiched from above and below by the pair of tools 181 and 182 and connected to each other by pressure contact. ), it can be formed in other forms without being limited to the above-described form of the wire connecting portion partition wall portion 125b.
  • the wire connection portion partition wall portion 125b is not formed in a portion corresponding to the insulation barrel portion 145 of the wire connection portion 143 in the front-to-rear direction. You may employ
  • the electric wire connection portion partition wall portion 125b is formed such that the pressure contact portion 144 and the electric wire end portion 133 are sandwiched from both upper and lower sides by a pair of tools. It can be formed in an arrangement and shape (size) that does not interfere with the upper tool when they are crimped and connected to each other.
  • the high-strength portions 110 and 110A are not limited to being provided on the base portion 121, and are provided on the cover 102u (upper wall portion), the front wall portion 122, the rear wall portion 123, and the side wall portions 124 on each side of the connector housing. , 124 may be provided in at least some of them.
  • the high-strength portions 110 and 110A are not limited to being provided only at the pressurized location Zp as long as they are provided at least at the pressurized location Zp.
  • the high-strength portion 110 may be provided in the base portion 121 so as to integrally reinforce the wide concave portion 107 from the pressurized portion Zp to the side wall portions 124 , 124 .
  • FIG. 52 shows an exploded perspective view of a connector-equipped electric wire 101D that is a modification of the sixth embodiment.
  • the same components as those of the electric wire with connector 101 of the sixth embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • a connector-attached wire 101D which is a modification of the connector-attached wire 101 of the sixth embodiment, has a cover 102u in which a top plate portion 127 and a pair of cover side wall portions 128 are recessed in opposite directions as viewed from the arrow F in the front-rear direction. , a front cover 2uF and a rear cover 102uB.
  • the assembly type connector housing 102uF covers the terminal accommodating chamber 106 in the housing main body 102d from the upper side U
  • the rear side cover 102uB covers the wire connecting portion arrangement area 162 in the housing main body 102d from the upper side U.
  • two engaging holes 129u are provided in each of the cover side walls 128 of the attached connector housing 102uF and the rear cover 102uB at a predetermined interval in the front-rear direction. Also, two engaging projections 129d are provided on each of the side wall portions 124 in the wire connecting portion arrangement area 162 as well.
  • the connecting terminal 104 is attached to the housing main body 102d, the assembly type connector housing 102uF is attached to the terminal accommodating chamber 106 in which the box portion 141 is arranged in the lower terminal accommodating recess 106d, After the wire end portion 133 is connected to the wire connection portion 143 arranged in the wire connection portion arrangement area 162 with a pressure welding tool, the wire connection portion arrangement area 162 is covered with the rear cover 102uB.
  • the electric wire end portion 133 is pressure-welded to the electric wire connection portion 143 arranged in the electric wire connection portion arrangement area 162.
  • the assembly type connector housing 102uF is placed in the terminal accommodating chamber 106 in which the box portion 141 is arranged in the lower terminal accommodating recess 106d. Since it is attached and covered, the wire end portion 133 can be connected to the wire connection portion 143 in a stable state.
  • the rear cover 102uB may not be provided, and only the attached connector housing 102uF may be provided.
  • the upper side U of the wire connection portion arrangement region 162 where the wire end portion 133 is connected to the wire connection portion 143 remains open.
  • the cover may be configured only with the attached connector housing 102uF without the rear cover 102uB.
  • the upper side U of the wire connection portion arrangement region 162 where the wire end portion 133 is connected to the wire connection portion 143 remains open.
  • FIG. 53 shows an exploded perspective view of another modification of the electric wire 101E with a connector of the sixth embodiment
  • FIG. 54 is a perspective view of the electric wire 101E with a connector of another modification of the sixth embodiment as viewed from below. is shown.
  • FIG. 55 is a plan view showing the state of the terminal arranging process and the wire arranging process of another modification of the sixth embodiment, and FIG. The top view which showed the internal structure of the attachment type
  • FIG. 57 shows cross sectional views (a), (b) and CC of FIG. 56 respectively showing the internal configuration of an assembly type connector housing 102E of an electric wire 101E with a connector according to another modification of the sixth embodiment.
  • the arrow directional cross-sectional view (c) is shown.
  • the same components as those of the electric wire with connector 101 of the sixth embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • a connector-equipped electric wire 101E which is another modification of the connector-equipped electric wire 101 of the sixth embodiment described above, has a length obtained by dividing the cover 102u of the connector-equipped electric wire 101 of the above-described embodiment into two in the front-rear direction.
  • the cover is composed only of the assembled type connector housing 102uF.
  • the connecting terminals 104 are attached to the housing main body 102d, the front cover 2uF is attached to the terminal accommodating chamber 106 in which the box portion 141 is arranged in the lower terminal accommodating recess 106d, and the electric wire is mounted.
  • the wire connection portion arrangement area 162 is covered with the rear cover 102uB.
  • two engaging holes 129u are provided in the cover side wall portion 128 of the assembly type connector housing 102uF at a predetermined interval in the front-rear direction, and two engaging holes 129u are provided in the side wall portion 124 in the terminal accommodating chamber 106.
  • a protrusion 129d is provided.
  • the attached connector housing 102uF is attached to the terminal accommodating chamber 106 in the housing body 102d to cover the upper side U of the lower terminal accommodating recess 106d. In other words, even if the attached connector housing 102uF is attached to the terminal accommodating chamber 106, the upper side U of the wire connecting portion arrangement area 162 remains open.
  • the side wall portions 124E, 124E on the left and right sides of the wire connection portion arrangement region 162 are more difficult to install than the side wall portions 124, 124 on the left and right sides of the wire connection portion arrangement region 162 of the electric wire 101 with a connector described above. It is formed as thick as the thickness of the cover side wall portion 128 of the connector housing 102uF. Note that the side wall portion 124E is not provided with the engagement protrusion 129d. As a result, as shown in FIG. 45, on the side surface of the attached connector housing 102E to which the cover 102uE is attached, the cover side wall portion 128 and the side wall portion 124E of the cover 102uE are flush with each other.
  • the electric wire end portion 133 is pressure-welded to the electric wire connection portion 143 arranged in the electric wire connection portion arrangement area 162.
  • the assembly type connector housing 102uF is placed in the terminal accommodating chamber 106 in which the box portion 141 is arranged in the lower terminal accommodating recess 106d. Since it is attached and covered, the wire end portion 133 can be connected to the wire connection portion 143 in a stable state.
  • FIG. 58 shows an exploded perspective view of a connector-equipped electric wire 101G of still another modification of the sixth embodiment.
  • FIG. 59 shows a perspective view of a connector-equipped electric wire 101G of still another modification of the sixth embodiment as seen from below
  • FIG. 60 shows a terminal arranging process and an electric wire arranging process of still another modification of the sixth embodiment
  • FIG. 61 is a plan view showing the internal configuration of an attached connector housing 102g of a connector-equipped electric wire 101G of still another modification of the sixth embodiment.
  • FIG. 62 is cross-sectional views (a) and (b) showing the internal configuration of an attached connector housing 102g of an electric wire 101G with a connector according to still another modification of the sixth embodiment, and FIG. The C arrow directional cross-sectional view (c) is shown.
  • the same components as those of the electric wire with connector 101 of the sixth embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • An electric wire with connector 101G shown in FIGS. 58 to 62 is formed by integrating the terminal accommodating chamber 106 to which the cover 102u is attached in the electric wire with connector 101 of the sixth embodiment.
  • the assembly-type connector housing 102G has a box-shaped terminal accommodating chamber 106G indicated by an arrow F in the front-rear direction, and a lower terminal accommodating concave portion 106d is formed therein.
  • a rear side cover 102uB which is only the rear side portion obtained by dividing the cover 102u in the sixth embodiment in the front-rear direction, is attached.
  • two engagement holes 129u are provided in the cover side wall portion 128 of the rear cover 102uB at a predetermined interval in the front-rear direction, and two engagement holes 129u are also provided in the side wall portion 124 in the wire connecting portion arrangement area 162.
  • a protrusion 129d is provided.
  • left and right side wall portions 124G, 124G of the terminal receiving chamber 106G are larger than the left and right side wall portions 124, 124 of the terminal receiving chamber 6 in the sixth embodiment. It is formed as thick as the thickness of As a result, as shown in FIGS. 50 and 62, the cover side wall portion 128 of the cover 102uG and the side wall portion 124G of the terminal accommodating chamber 6 are flush with each other on the side surface of the attached connector housing 102G to which the rear cover 102uB is attached. becomes.
  • connection terminals 104 are attached to the housing main body 102d, the box portion 141 is inserted into the lower terminal accommodating recess 106d inside the terminal accommodating chamber 106G from behind, and the wire connection portion is inserted.
  • the wire connecting portion arrangement area 162 is covered with the rear cover 102uB.
  • the electric wire end portion 133 is press-contacted to the electric wire connection portion 143 arranged in the electric wire connection portion arrangement area 162.
  • the box portion 141 is inserted into the lower terminal accommodating recess 106d inside the box-shaped terminal accommodating chamber 106G.
  • the wire end portion 133 can be connected to the wire connection portion 143 in a stable state. Note that a mode without the cover 102uG may be used.
  • FIG. 63 and 64 modifications of the connector units 50 and 150 described as the fifth and tenth embodiments will be described with reference to FIGS. 63 and 64.
  • FIG. 63 and 64 modifications of the connector units 50 and 150 described as the fifth and tenth embodiments will be described with reference to FIGS. 63 and 64.
  • a connector unit 50X of the present embodiment includes a plurality of (two in this example) connector-equipped electric wires 1 and 101, similar to the above-described connector units 50 and 150, and a unit housing 51X. are housed in
  • the assembly type connector housings 2, 102 of the electric wires 1, 101 with connectors are arranged in the width direction and accommodated in the unit housings 51, 151. 2 and 102 are stacked in the thickness direction and accommodated in the unit housing 51X.
  • the male terminals 65 are arranged in a substantially square shape when viewed from the one side Y1 in the depth direction on the mating connector unit 60X to be connected.
  • the connector unit 50X configured in this manner has the same effect as the connector units 50 and 150 described above, and is taller than the connector units 50 and 150 described above, but is narrower. The connector units 50 and 150 can be placed even in narrow places where the connector units 50 and 150 cannot be placed.
  • the connector unit 50X described above has two assembly type connector housings 2 and 102 arranged in the vertical direction, three or more assembly type connector housings 2 and 102 may be arranged. A plurality of assembly type connector housings 2, 102 arranged in the width direction like the units 50, 150 may be further arranged in the vertical direction.
  • the covered wires 3, 103 and the connection terminals 4, 104 arranged in the wire connection portion arrangement regions 62, 162 are connected to the upper tools 81, 181 and the lower tools 82, 182 as a pair of pressure means.
  • the connection may be made by welding from the upper side U of the wire connection portion arrangement regions 62 and 162 using a welding tool such as laser welding or ultrasonic welding.
  • connector housings 1, 1A, 1B, 1C... Wires with connectors 2, 2A, 2B... Assembly type connector housings (connector housings) 2C...Integrated connector housing (connector housing) 2d, 2Ad, 2d', 2Ad', 2d'', 2Ad'' ... housing main body 2u, 2Bu ... cover (connector housing cover) 3, 3A... Insulated wire 3C... Connection portion of wire to connector housing 4, 4A... Connection terminals 5, 5B, 5C... Connector 6d... Lower terminal housing recess (connection part placement part) 10 (10d, 10d'), 10A, 10', 10A', 10f, 10r, 10Af, 10Ar, 10u, 10u'... Through hole 31... Conductor 33...
  • Wire end (wire end) 35 Twisted pair electric wire 35a Untwisted portions 43, 43A Wire connection portion 44Ac Press contact pieces 44b, 45b Barrel pieces (crimp pieces) 50
  • Connector unit 51 Unit housing 81, 82 Pair of tools 101, 101', 101A, 101B, 101C Wires with connectors 102, 102', 102A, 102B Assembly type connector housing (connector housing) 102C...Integrated connector housing (connector housing) 102d, 102d', 102Ad... Housing bodies 102u, 102Bu...
  • connection terminals 105, 105B, 105C Connectors 110, 110A High-strength portion 111 Raised portion 112 Metal plate (metal member) DESCRIPTION OF SYMBOLS 120... Through-hole 131... Conductor 132... Insulating coating part 133... Wire end (end of wire) 143... Wire connection portion 144c... Pressure contact piece 150... Connector unit 151... Unit housing 162... Wire connection portion arrangement area (connection portion arrangement portion) 181, 182... A pair of tools (a pair of pressurizing means) Zp...Pressured part

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Le problème décrit par la présente invention est de fournir un boîtier de connecteur, un connecteur, un fil électrique équipé d'un connecteur, une unité de connecteur et un procédé de fabrication de fil électrique équipé d'un connecteur, avec lesquels il est possible de disposer un fil électrique équipé d'une borne dans un boîtier de connecteur sans flamber un fil électrique, ce qui permet de supprimer la détérioration des caractéristiques de transmission et la durabilité du fil électrique due au flambement. La solution selon l'invention concerne un boîtier de connecteur de type à assemblage 2 comprenant : des bornes de connexion 4 qui ont une conductivité électrique et qui sont pourvues de parties de connexion de fil électrique 43 connectées à des fils électriques revêtus 3 ; et un corps de boîtier 2d qui a une conductivité électrique et qui maintient les bornes de connexion 4, le corps de boîtier 2d étant pourvu d'une région de disposition de partie de connexion de fil électrique 62 dans laquelle les parties de connexion de fil électrique 43 sont disposées, et, dans un état dans lequel les bornes de connexion 4 sont fixées au corps de boîtier 2d, le corps de boîtier 2d est ouvert au niveau d'un côté supérieur U de la région de disposition de partie de connexion de fil électrique 62, les bornes de connexion 4 étant interposées entre celles-ci.
PCT/JP2021/007809 2021-03-02 2021-03-02 Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur WO2022185394A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2023503558A JPWO2022185394A1 (fr) 2021-03-02 2021-03-02
PCT/JP2021/007809 WO2022185394A1 (fr) 2021-03-02 2021-03-02 Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/007809 WO2022185394A1 (fr) 2021-03-02 2021-03-02 Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur

Publications (1)

Publication Number Publication Date
WO2022185394A1 true WO2022185394A1 (fr) 2022-09-09

Family

ID=83154015

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/007809 WO2022185394A1 (fr) 2021-03-02 2021-03-02 Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur

Country Status (2)

Country Link
JP (1) JPWO2022185394A1 (fr)
WO (1) WO2022185394A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634367B2 (ja) * 1988-03-12 1994-05-02 クリエイト・システム株式会社 圧着コネクタおよびその取付け方法
JPH06267634A (ja) * 1993-03-09 1994-09-22 Sumitomo Wiring Syst Ltd 端子圧着装置
JPH09134755A (ja) * 1995-11-09 1997-05-20 Sumitomo Wiring Syst Ltd ブロックコネクタ
WO2010021055A1 (fr) * 2008-08-22 2010-02-25 イリソ電子工業株式会社 Connecteur
JP2014170725A (ja) * 2013-02-05 2014-09-18 Sumitomo Wiring Syst Ltd 電子部品付きコネクタおよびホルダ
JP2016045982A (ja) * 2014-08-19 2016-04-04 株式会社オートネットワーク技術研究所 ツイストペア電線のインピーダンス調整方法、ツイストペア電線およびワイヤーハーネス
JP2018032534A (ja) * 2016-08-25 2018-03-01 株式会社オートネットワーク技術研究所 ツイストペア線用ジョイントコネクタ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0634367B2 (ja) * 1988-03-12 1994-05-02 クリエイト・システム株式会社 圧着コネクタおよびその取付け方法
JPH06267634A (ja) * 1993-03-09 1994-09-22 Sumitomo Wiring Syst Ltd 端子圧着装置
JPH09134755A (ja) * 1995-11-09 1997-05-20 Sumitomo Wiring Syst Ltd ブロックコネクタ
WO2010021055A1 (fr) * 2008-08-22 2010-02-25 イリソ電子工業株式会社 Connecteur
JP2014170725A (ja) * 2013-02-05 2014-09-18 Sumitomo Wiring Syst Ltd 電子部品付きコネクタおよびホルダ
JP2016045982A (ja) * 2014-08-19 2016-04-04 株式会社オートネットワーク技術研究所 ツイストペア電線のインピーダンス調整方法、ツイストペア電線およびワイヤーハーネス
JP2018032534A (ja) * 2016-08-25 2018-03-01 株式会社オートネットワーク技術研究所 ツイストペア線用ジョイントコネクタ

Also Published As

Publication number Publication date
JPWO2022185394A1 (fr) 2022-09-09

Similar Documents

Publication Publication Date Title
US7462062B2 (en) Crimping terminal and flat circuitry having same
US7442097B2 (en) Method for forming a terminal metal and terminal metal formed by the method
US7581979B2 (en) Flat circuit device
US7316581B2 (en) Terminal fitting and method of attaching the same
JP4520933B2 (ja) 端子連鎖体、該端子連鎖体を圧着するクリンパ、端子連鎖体の製造方法、及び複数の端子金具とフラット回路体の接続構造
WO2018186216A1 (fr) Borne de conducteur interne et connecteur de blindage
US20230163495A1 (en) Electrical Terminal For Flat Flexible Cables
EP1533868B1 (fr) Dispositif de connexion à pression pour câbles coaxiaux
WO2022185394A1 (fr) Boîtier de connecteur, connecteur, fil électrique équipé d'un connecteur, unité de connecteur et procédé de fabrication de fil électrique équipé d'un connecteur
JP4864340B2 (ja) 同軸ケーブルの電気コネクタ
JP2006236873A (ja) 端子金具の製造方法及び該端子金具
JP4977768B2 (ja) 複数種の端子金具の製造方法
CN202444078U (zh) 连接器
JPH087968A (ja) コネクタ及びその組立方法
US11296440B2 (en) Electrical terminal for flat flexible cables
CN112018543B (zh) 带端子的电线及线束
JP2021057346A (ja) コネクタハウジング、コネクタ及びコネクタ付き電線、コネクタユニット、並びにコネクタ付き電線の製造方法
JP2021057345A (ja) コネクタハウジング、コネクタ及びコネクタ付き電線、コネクタユニット、並びにコネクタ付き電線の製造方法
JP6013130B2 (ja) 圧接コネクタ及び端子装着方法
US6948974B2 (en) End-processing structure of flat cable and method of end-processing of flat cable
JP3054345B2 (ja) 電線圧接コネクタ
JP7360310B2 (ja) コンタクトおよびコネクタ
CN113228429B (zh) 带端子电线及连接器
US20220006207A1 (en) Electrical Terminal For Flat Flexible Cables
JP2022127252A (ja) コネクタ付き電線の製造方法、及び、コネクタ付き電線

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21928972

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2023503558

Country of ref document: JP

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21928972

Country of ref document: EP

Kind code of ref document: A1