JP2014086168A - Pressure contact connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pressure contact connector capable of improving productivity of a wire harness in which the pressure contact connector is connected to a flat cable.SOLUTION: In a pressure contact connector 1, plural pressure contact terminals 10 having pressure contact parts 14 to be pressure-connected to electric wire conductors by pushing a coated electric wire 201 of a flat cable 200 in a direction orthogonal to an axial line of the electric wire are supported by a terminal housing part 241 of a housing 20 under an alignment state. The pressure contact part 14 comprises: a pair of side wall blades 143 for cutting both side bridges 211 of the coated electric wire 201 from the coated electric wire 201 when the flat cable 200 is pressed; and contact pressure blades 144 that cut coating of the coated electric wire 201 entering between the pair of side wall blades 143 in an entering direction and whose tip blades contact the electric wire conductors.

Description

  The present invention relates to a press-connecting connector that press-connects a flat cable in which a plurality of covered electric wires are arranged in a plane and adjacent adjacent electric wires are connected by a bridge portion.

FIG. 13 shows a pressure contact connector disclosed in Patent Document 1 below.
The flat cable 200 connected to the press-connecting connector 100 has a configuration in which a plurality of covered electric wires 201 are arranged in a plane and the adjacent covered electric wires 201 are connected by a bridge portion 211. The bridge portion 211 is made of the same insulating material as the outer covering of the covered electric wire 201 and is integral with the outer covering of the covered electric wire 201.

  The press-connecting connector 100 includes a plurality of press-connecting terminals 110 for press-connecting the covered electric wires 201 and a housing body 120 having a terminal accommodating portion 121 for housing the plurality of press-connecting terminals 110.

  The press contact terminal 110 includes a press contact portion 111 and a terminal connection portion (not shown) that extends from the distal end of the press contact portion 111 and is connected to a connection terminal on the mating connector side. The press contact portion 111 of the press contact terminal 110 in Patent Document 1 is formed by forming a slit into which the covered electric wire 201 is pushed by a pair of opposing press contact blades 111a and 111b. When the covered electric wire 201 is pushed into the slit between the pair of press contact blades 111a and 111b along the direction perpendicular to the axis of the wire (in the direction of the arrow X1 in FIG. 13), the press contact portion 111 has a pair of press contact blades 111a and 111a. The opposing inner surface (blade) of 111b cuts the coating of the covered electric wire 201 to contact the electric wire conductor, and achieves a pressure contact connection to the electric wire conductor.

  The terminal accommodating portion 121 in the housing main body 120 covers the plurality of press contact terminals 110 in the flat cable 200 so that the plurality of covered wires 201 of the flat cable 200 can be collectively pushed into the press contact portions of the plurality of press contact terminals 110. The wires 201 are supported in an aligned state at a pitch corresponding to the arrangement pitch of the electric wires 201. Moreover, the terminal accommodating part 121 has exposed the press-contact part 111 of the press-contact terminal 110 which has accommodated outside.

  When the press contact of the flat cable 200 is finished, the terminal accommodating portion 121 is covered with a cover (not shown) coupled to the housing main body 120.

JP 2004-165055 A

  By the way, the press contact portion 111 of the press contact terminal 110 used in the press contact connector 100 of Patent Document 1 includes only a pair of press contact blades 111a and 111b for cutting the covering of the covered electric wire 201 itself, and between the adjacent covered electric wires 201. In a state where the cables are still connected by the bridge portion 211, the pressure welding process of the flat cable 200 cannot be performed.

  Therefore, when the flat cable 200 is press-contacted to the press-connecting connector 100 of Patent Document 1, it is necessary to cut the bridge portion 211 in the range to be press-contacted (the range indicated by the arrow R1 in FIG. 13) in advance.

  However, a great deal of labor is required for the excision work of the bridge portion 211. Therefore, it became a factor which hinders the productivity of the wire harness which connected the press-connecting connector 100 to the flat cable.

  Further, the press contact blades 111a and 111b in Patent Document 1 are simple flat plate shapes, have low bending strength in shape, and are likely to be deformed. Therefore, when attaching the press contact terminal 110 to the housing main body 120 or pushing the covered electric wire 201 into the press contact portion 111, careful work is required so as not to cause deformation of the press contact blades 111a and 111b. However, this was one factor that hindered the productivity of wire harnesses.

  Furthermore, since the only means for regulating the movement of the flat cable in the axial direction is the press contact blade of the press contact terminal, the tension acting on the flat cable from the outside acts on the press contact blade, and the press contact blade is deformed to deform the press contact blade. The connection reliability with the cable conductor may also be reduced.

  Accordingly, an object of the present invention is to provide a pressure contact connector that can improve the productivity of a wire harness in which a pressure contact connector is connected to a flat cable, in order to solve the above problems.

  Furthermore, an object of the present invention is to eliminate the above-mentioned problems, and the pressure acting on the flat cable from the outside does not act on the pressure welding blade, and the pressure welding capable of improving the connection reliability between the pressure welding blade and the cable conductor. To provide a connector.

The above-described object of the present invention is achieved by the following configuration.
(1) A press-connecting connector for press-connecting a flat cable in which a plurality of covered electric wires are arranged in a plane and the adjacent covered electric wires are connected by a bridge portion,
A plurality of press contact terminals including a press contact portion that performs press contact connection to the wire conductor by pushing the covered wire in a direction orthogonal to the axis of the covered wire;
The plurality of the press contact terminals are arranged at a pitch corresponding to the arrangement pitch of the cover electric wires in the flat cable so that the plurality of the cover electric wires of the flat cable can be collectively pushed into the press contact portions of the plurality of press contact terminals. A housing having a terminal accommodating portion for supporting in an aligned state;
With
The pressure contact portion includes a pair of side wall blades that separate the bridge portions on both sides of the covered electric wire from the covered electric wire when the flat cable is pressed, and a covering of the covered electric wire that enters between the pair of side wall blades. A press-contacting connector, comprising: a press-contacting blade that is cut along an entering direction and has a blade tip that contacts the electric wire conductor.

  (2) The pressure contact blade is formed by cutting and raising a part of the side wall blade, and a bent portion at the time of cutting and extending extends along an entering direction of the covered electric wire. The pressure contact connector described in 1.

(3) The housing includes a housing main body having an opening that exposes the press contact portions of the plurality of press contact terminals arranged in the terminal accommodating portion, and a cover that covers the opening and is coupled to the housing main body. And comprising
The flat cable is placed on each of the pressure contact portions exposed to the opening, and the cover is placed on the flat cable, and the cover is attached to the housing main body in order to connect the cover to the housing main body. The press-connecting connector according to (1) or (2), wherein when pressed, the flat cable is pressed into the press-contact portion, and each covered electric wire of the flat cable is pressed into the press-contact portion.

(4) The housing body includes a first housing body having the opening on the upper surface, and a second housing body coupled in a stacked state to the lower surface of the first housing body,
The second housing body includes the terminal accommodating portion and the opening on an upper surface where the first housing body overlaps,
The first housing body is placed on the second housing body in a state where the flat cable is placed on the pressure contact parts arranged in the opening of the second housing body, When the first housing main body is pushed into the second housing main body in order to connect the first housing main body to the second housing main body, the flat placed on the second housing main body The cable is pushed into the pressure contact portion in the second housing body, and the pressure contact of the flat cable to the pressure contact portion in the second housing body is completed. Pressure contact connector.

  (5) The pressure contact portion includes a cable piercing protrusion at a position spaced from a pair of the side wall blades toward the rear end side of the pressure contact portion, and the cable piercing protrusion is pressed against the pressure contact portion. The pressure contact connector according to any one of (1) to (4), wherein the connector is pierced into a bridge portion and receives a tension acting on the flat cable.

  According to the configuration of the above (1), the press contact portion of the press contact terminal accommodated in the housing has a pair of side wall blades for separating the bridge portions on both sides of the covered wire from the covered wire when the flat cable is pressed, and the bridge A covered electric wire that is separated from the portion and enters between the pair of side wall blades, and a press contact blade that is in a press contact state.

  Therefore, when the flat cable is pressed against the pressure contact part of the pressure contact terminal, it is not necessary to cut the bridge part connecting the adjacent covered wires of the flat cable in advance, and the wire with the pressure cable connected to the flat cable Harness productivity can be improved.

  According to the configuration of (2) above, the press contact blade is formed by cutting and raising a part of the side wall blade, and the bent portion formed at the time of cutting and raising is along the length direction of the press contact blade. And function as a reinforcing structure that improves the bending strength of the press contact blade. Therefore, the press contact blade has high strength. Therefore, when the pressure contact terminal is attached to the housing body or when the covered electric wire is pushed into the pressure contact portion of the pressure contact terminal, the pressure contact blade is not easily deformed. This makes it easier to handle when attaching the pressure contact terminal to the housing body or when pushing the covered wire into the pressure contact portion of the pressure contact terminal. Productivity can be improved.

  According to the configuration of (3) above, the work of pressing the flat cable to the plurality of press contact terminals is carried by placing the flat cable on each press contact portion arranged on the housing body, and further on the flat cable. When the cover is placed and pushed into the housing body in order to join the cover to the housing body, the flat cable is pushed into the pressure contact portion through the cover, and the flat cables can be easily connected together.

  According to the configuration of (4) above, the housing main body is configured such that the second housing main body is coupled in a stacked state under the first housing main body. Furthermore, the first housing body and the second housing body both have a terminal accommodating portion for supporting a plurality of pressure contact terminals in an aligned state on the upper surface, and a pressure contact portion of the pressure contact terminal accommodated in the terminal accommodating portion. And an opening to be exposed.

  Then, when a flat cable is placed on the pressure contact portion on the upper surface of the second housing body and the first housing body placed thereon is pushed into the second housing body, the first housing body is Similarly to the cover for the housing body 1, the flat cable is pressed into the press contact blade and pressed.

  Therefore, it is not necessary to equip the second housing body with a cover for pushing in the flat cable, and an increase in the number of components can be suppressed, and a structure in which the flat cable is pressed in multiple stages can be obtained in a small space.

  According to the configuration of (5) above, the cable piercing protrusion is provided in the pressure contact portion of the pressure contact terminal, and the cable piercing protrusion is pierced into the bridge portion of the flat cable and receives a tension acting on the flat cable. Therefore, the tension acting on the flat cable from the outside is prevented from acting on the press contact blade. Therefore, the pressure contact blade can be prevented from being deformed by the tension acting on the flat cable, and the connection reliability between the pressure contact blade and the cable conductor can be improved.

  According to the pressure contact connector according to the present invention, the pressure contact portion of the pressure contact terminal accommodated in the housing has a pair of side wall blades for separating the bridge portions on both sides of the covered wire from the covered wire when the flat cable is pressed, and the bridge portion. And a press-contact blade that is in a press-contact state and a covered electric wire that is separated from the pair of side wall blades.

  Therefore, when pressing the flat cable to the press contact part of the press contact terminal, it is not necessary to cut out the bridge part connecting the adjacent covered wires of the flat cable in advance, and the wire with the press contact connector connected to the flat cable Harness productivity can be improved.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a perspective view of an assembled state of an embodiment of a pressure contact connector according to the present invention. FIG. 2 is a perspective view of the press-connecting connector shown in FIG. 1 as viewed from an angle different from that in FIG. FIG. 3 is a perspective view illustrating a state in which the first housing body is overlaid on the second housing body of the press-connecting connector according to the embodiment. FIG. 4 is a perspective view of a press contact terminal used in an embodiment of the present invention. FIG. 5 is a perspective view showing an equipped state of the press contact blade of the press contact terminal shown in FIG. FIG. 6 is a perspective view showing a state before the press contact terminal is attached to the terminal accommodating portion of the first housing body in the embodiment. FIG. 7 is a perspective view of a state in which the press contact terminal is mounted on the terminal housing portion of the first housing body in the embodiment. FIG. 8 is a perspective view of a state in which a flat cable is disposed on the pressure contact portion on the first housing body of the embodiment and a cover is disposed on the flat cable. FIG. 9 is a cross-sectional view of the main part showing the positional relationship between the pressure contact portion, the flat cable, and the cover in the state of FIG. FIG. 10 is a perspective view showing stepwise the process of the press contact blade being stuck into the flat cable under the cover during the operation of joining the cover to the first housing body, and FIG. 10 (b) is a perspective view showing the middle stage of the process, and FIG. 10 (c) is a perspective view showing the latter stage of the process. FIG. 11 is a perspective view of a state in which a cover is coupled to the first housing body. FIG. 12 is a cross-sectional view showing a state in which the press contact of the flat cable is completed by the coupling of the cover to the first housing body. FIG. 13 is a perspective view showing a pressure contact state between a flat cable and a pressure contact terminal of a conventional pressure contact connector.

  DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a pressure contact connector according to the present invention will be described in detail with reference to the drawings.

  1 to 12 show one embodiment of a pressure contact connector according to the present invention, FIG. 1 is a perspective view of an assembly state of one embodiment of a pressure contact connector according to the present invention, and FIG. 2 is shown in FIG. FIG. 3 is a perspective view of the pressure contact connector viewed from an angle different from that of FIG. 1, FIG. 3 is a perspective view of a state in which the first housing body is overlaid on the second housing body of the pressure contact connector of the embodiment, and FIG. 5 is a perspective view of a pressure contact terminal used in an embodiment of the present invention, FIG. 5 is a perspective view showing an equipped state of a pressure contact blade of the pressure contact terminal shown in FIG. 4, and FIG. 6 is a first housing in the embodiment. FIG. 7 is a perspective view showing a state before the press contact terminal is mounted on the terminal housing portion of the main body, FIG. 7 is a perspective view showing a state where the press contact terminal is mounted on the terminal housing portion of the first housing body in the embodiment, and FIG. Is flat on the pressure contact on the first housing body of one embodiment 9 is a perspective view of a state in which a cable is disposed and a cover is disposed on the flat cable. FIG. 9 is a cross-sectional view of a principal part showing a positional relationship between the press contact portion, the flat cable, and the cover in the state of FIG. 10 is a perspective view showing stepwise a process in which the press contact blade is stuck in the flat cable under the cover during the operation of joining the cover to the first housing body. FIG. FIG. 10C is a perspective view showing the latter stage of the process, FIG. 11 is a perspective view showing a state in which a cover is coupled to the first housing body, and FIG. 12 shows the first housing body. It is sectional drawing which shows the state which the press-contact of the flat cable was completed by the coupling | bonding of this cover.

  The press-connecting connector 1 of this embodiment is a connector for press-connecting a flat cable 200, and includes a flat cable 200, a plurality of press-connecting terminals 10, and a housing 20, as shown in FIGS. .

  As shown in FIG. 13, the flat cable 200 has a configuration in which a plurality of covered electric wires 201 are arranged in a planar shape and adjacent covered electric wires 201 are connected by a bridge portion 211. The bridge portion 211 is made of the same insulating material as the outer covering of the covered electric wire 201 and is integral with the outer covering of the covered electric wire 201.

  As shown in FIGS. 4 and 5, the press contact terminal 10 is a press-formed product of a metal plate, and includes a press contact portion 14 and a terminal connection portion 15 formed to extend from the tip of the press contact portion 14.

  The press contact portion 14 is a portion that performs press contact connection to the wire conductor by pushing the covered wire 201 in a direction orthogonal to the axis of the wire 201.

  The press contact portion 14 includes a bottom wall portion 141, a pair of side wall portions 142 formed by bending both sides of the bottom wall portion 141, a pair of side wall blades 143 formed integrally with the respective side wall portions 142, and a pair of press contact blades. 144 and a pair of cable piercing protrusions 145.

  The side wall part 142 is formed by bending both side edges of the bottom wall part 141 in a direction orthogonal to the bottom wall part 141.

  The pair of side wall blades 143 are formed by extending a part of the pair of side wall portions 142 upward (in the direction of arrow X2 in FIG. 4) perpendicular to the bottom wall portion 141. The upper end of the side wall blade 143 is a blade 143 a that cuts the bridge portion 211. The blade 143a has a polygonal line shape in which both end portions 143b of the blade are inclined in order to reduce a resistance force when the bridge portion 211 is cut. The pair of side wall blades 143 separates the bridge portions 211 on both sides of the covered electric wire 201 from the covered electric wire 201 when the flat cable 200 is pressed.

  As shown in FIGS. 4 and 5, the pair of press contact blades 144 are formed by cutting and raising a part of each side wall blade 143 toward the inside of the terminal. The pair of press contact blades 144 has a terminal inner edge 144a as a blade, and cuts the covering of the covered electric wire 201 entering between the pair of side wall blades 143 along the electric wire entrance direction (the direction of arrow X3 in FIG. 5). To do. And as for the press-contacting blade 144, the blade edge | tip which cut | disconnected the coating | cover of the covered electric wire 201 contacts an electric wire conductor.

  Further, as shown in FIGS. 4 and 5, the pair of press contact blades 144 has a bent portion 144 b formed at the time of cutting and raising the blade length direction of the press contact blade 144 (a direction orthogonal to the bottom wall portion 141). ) And function as a reinforcing structure that improves the bending strength of the press contact blade 144.

  The pair of cable piercing protrusions 145 are provided at positions spaced from the pair of side wall blades 143 toward the rear end side of the press contact portion 14. The pair of cable piercing projections 145 is formed by extending a part of the pair of side wall portions 142 upward (in the direction of arrow X2 in FIG. 4) perpendicular to the bottom wall portion 141, similarly to the side wall blade 143.

  The pair of cable piercing protrusions 145 are pierced into the bridge portion 211 of the flat cable 200 pressed against the pressure contact portion 14 and receive a tension acting on the flat cable 200.

  The pair of cable piercing protrusions 145 and the pair of side wall blades 143 have different protrusion heights. This is intended to reduce the resistance force (operation force) at the time of piercing by shifting the timing at which the cable piercing projection 145 and the side wall blade 143 pass through the bridge portion 211. In the case of this embodiment, the cable piercing protrusion 145 is set to have a lower protrusion height than the side wall blade 143. Therefore, as shown in FIG. 10, the timing of penetrating the bridge portion 211 is earlier in the side wall blade 143, and the cable piercing projection 145 is pierced into the bridge portion 211 later. Thereby, the resistance force when the cable piercing projection 145 and the side wall blade 143 penetrate the bridge portion 211 can be reduced.

  The terminal connection portion 15 has a rectangular tube-like structure extending at the tip of the pressure contact portion 14 and is fitted and connected to a male connection terminal on the mating connector side. As shown in FIG. 4, the terminal connection portion 15 is provided with a lance 152 for retaining the upper wall portion 151. The retaining lance 152 is formed by cutting and raising a part of the upper wall portion 151. When the terminal connection portion 15 is inserted into a terminal insertion hole 241a of the terminal accommodating portion 241 to be described later, the lance 152 for retaining is engaged with a locking portion provided in the terminal insertion hole 241a to be detached. I will stop.

  As shown in FIGS. 1 to 3, the housing 20 includes a housing main body 23 and a cover 26 coupled to the housing main body 23. The housing body 23 includes a first housing body 24 to which the cover 26 is coupled on the upper surface side, a second housing body 25 coupled to the lower surface of the first housing body 24 in a stacked state, It has.

  As shown in FIG. 6, the first housing body 24, which is a component of the housing body 23, has a terminal accommodating portion 241 on the upper surface portion.

  The terminal accommodating portion 241 supports the plurality of press contact terminals 10 in an aligned state so that the plurality of covered electric wires 201 of the flat cable 200 can be collectively pushed into the press contact portions 14 of the plurality of press contact terminals 10. Specifically, a plurality of terminal insertion holes 241 a into which the terminal connection portions 15 of the press contact terminals 10 can be inserted are formed in the terminal accommodating portion 241 at a pitch corresponding to the arrangement pitch of the covered electric wires 201 in the flat cable 200. ing. The terminal accommodating portion 241 holds the press contact terminal 10 by fitting the terminal connecting portion 15 into the terminal insertion hole 241a. The terminal insertion hole 241a is provided with a locking portion (not shown) that engages with the lance 152 for preventing the terminal connection portion 15 from coming off and prevents the press contact terminal 10 from coming off.

  In other words, as shown in FIG. 7, the terminal accommodating portion 241 supports the plurality of press contact terminals 10 in an aligned state at a pitch corresponding to the arrangement pitch of the covered electric wires 201 in the flat cable 200.

  As for the terminal accommodating part 241, the range in which the press-contact part 14 of the press-contact terminal 10 is mounted becomes the opening part (opening part) 242 which exposes the press-contact part 14 outside. In other words, the first housing body 24 in the housing 20 has an opening 242 that exposes the press contact portions 14 of the plurality of press contact terminals 10 arranged in the terminal accommodating portion 241 on the upper surface.

  As shown in FIGS. 2 and 3, the first housing body 24 is provided with coupling pieces 244 and 245 for coupling to the second housing body 25 on both sides thereof.

  Although not shown, the upper surface of the second housing body 25 is attached to the lower surface of the first housing body 24 when the first housing body 24 is assembled to the upper surface of the second housing body 25. An electric wire pressing piece for pushing the flat cable 200 placed on the press contact portion 14 of the press contact terminal 10 in the second housing body 25 is provided. This electric wire holding piece may have the same configuration as the electric wire holding piece 264 of the cover 26 shown in FIG.

  The second housing main body 25 includes a terminal accommodating portion 251 and an opening 252 on the upper surface where the first housing main body 24 overlaps.

  The terminal accommodating portion 251 has the same structure as the terminal accommodating portion 241 in the first housing main body 24, and the opening 252 has the same structure as the opening 242 in the first housing main body 24.

  That is, as shown in FIG. 3, the terminal accommodating portion 251 has a plurality of terminal insertion holes 251 a into which the terminal connection portions 15 of the press contact terminals 10 can be inserted, and the pitch corresponding to the arrangement pitch of the covered electric wires 201 in the flat cable 200. And formed. The terminal accommodating portion 251 holds the press contact terminal 10 by fitting the terminal connecting portion 15 into the terminal insertion hole 251a. The terminal insertion hole 251a is provided with a locking portion (not shown) that engages with the lance 152 for preventing the terminal connection portion 15 from coming off and prevents the press contact terminal 10 from coming off.

  In other words, the terminal accommodating portion 251 supports the plurality of press contact terminals 10 in an aligned state at a pitch corresponding to the arrangement pitch of the covered electric wires 201 in the flat cable 200, as shown in FIG.

  Further, the terminal accommodating portion 251 has an opening (opening portion) 252 that exposes the pressure contact portion 14 to the outside in a range where the pressure contact portion 14 of the pressure contact terminal 10 is placed. In other words, the second housing body 25 in the housing 20 has an opening 252 that exposes the press contact portions 14 of the plurality of press contact terminals 10 arranged in the terminal accommodating portion 251.

  As shown in FIGS. 2 and 3, the second housing body 25 is provided with housing coupling grooves 254 on both sides thereof. As shown in FIG. 2, the second housing body 25 is configured such that the distal end portions (engagement protrusions) of the coupling pieces 244 and 245 of the first housing body 24 engage with the housing coupling groove 254. The bottom surface of the housing body 24 is coupled in a stacked state.

  The second housing body 25 is provided with a lock mechanism 256 on the outer surface opposite to the side on which the terminal accommodating portion 251 is equipped.

  When the press contact connector 1 is fitted and connected to the mating connector, the lock mechanism 256 is engaged with the lock portion of the mating connector to lock the fitting state between the press contact connector 1 and the mating connector.

  As shown in FIG. 8, the cover 26 includes a cover body 261 that covers the opening 242 of the first housing body 24, and connecting pieces 262 that extend on both sides of the cover body 261. Yes. The connecting piece 262 engages with the locking protrusion 247 of the first housing body 24 when the cover 26 is put on the opening 242 of the first housing body 24, so that the cover 26 is engaged with the first housing body 24. 24. That is, the cover 26 is coupled to the housing body 23 so as to cover the opening 242.

  As shown in FIGS. 9 and 12, an electric wire pressing piece 264 that pushes the covered electric wire 201 of the flat cable 200 between the pair of press contact blades 144 protrudes from the inner surface side of the cover 26 facing the flat cable 200. .

Next, the assembly procedure of the pressure contact connector 1 in this embodiment will be described.
First, as shown in FIGS. 6 and 7, the plurality of press contact terminals 10 are arranged and arranged in the terminal accommodating portion 241 of the first housing body 24.

  Next, as shown in FIGS. 8 and 9, the flat cable 200 is placed on each pressure contact portion 14 exposed in the opening 242, and the cover 26 is further placed on the flat cable 200. Then, in order to connect the cover 26 to the housing main body 23, as shown by an arrow X4 in FIG. 9, when the cover 26 is pushed into the first housing main body 24 side, FIGS. 10 (a), 10 (b), 10 (c). ), The flat cable 200 is pushed into the press contact portion 14, and each covered electric wire 201 of the flat cable 200 is press contacted to the press contact portion 14.

  As shown in FIGS. 11 and 12, when the connection of the cover 26 to the first housing body 24 is completed, the press contact of the respective covered electric wires 201 of the flat cable 200 to the press contact blades 144 is also completed.

  Next, as shown in FIG. 3, the first housing is placed on the second housing body 25 in a state where the flat cable 200 is placed on each pressure contact portion 14 aligned with the opening 252 of the second housing body 25. The main body 24 is placed. Next, when the first housing body 24 is pushed into the second housing body 25 in order to couple the first housing body 24 to the second housing body 25, the first housing body 24 is placed on the second housing body 25. The flat cable 200 that has been used is pushed into the press contact portion 14 in the second housing body 25. As shown in FIG. 2, when the coupling of the first housing body 24 to the second housing body 25 is completed, the press-contact of the flat cable 200 to the press-contact portion 14 in the second housing body 25 is completed.

  In the case of the pressure contact connector 1 according to the embodiment described above, the pressure contact portion 14 of the pressure contact terminal 10 accommodated in the housing 20 is covered with the bridge portions 211 on both sides of the covered wire 201 when the flat cable 200 is pressed. A pair of side wall blades 143 that are separated from the electric wire 201 and a pressure contact blade 144 that is separated from the bridge portion 211 and enters between the pair of side wall blades 143 are brought into a pressure contact state.

  Therefore, when the flat cable 200 is press-contacted to the press contact portion 14 of the press contact terminal 10, it is not necessary to cut the bridge portion 211 connecting the adjacent covered electric wires 201 of the flat cable 200 in advance. It is possible to improve the productivity of the wire harness in which the pressure connector 1 is connected.

  Further, in the case of the press-connecting connector 1 according to the embodiment described above, the press-contacting blade 144 is formed by cutting and raising a part of the side wall blade 143, and the bent portion 144b formed at the time of cutting and raising is pressed. The blade 144 extends along the length direction of the blade and functions as a reinforcing structure that improves the bending strength of the press contact blade 144. Therefore, the press contact blade 144 has high strength. Therefore, when the press contact terminal 10 is attached to the housing main body 23 or when the covered electric wire 201 is pushed into the press contact portion 14 of the press contact terminal 10, the press contact blade 144 is hardly deformed. This facilitates handling during the operation of mounting the press contact terminal 10 on the housing body 23 or the operation of pushing the covered electric wire 201 into the press contact portion 14 of the press contact terminal 10, and this also improves the workability during assembly. Thus, the productivity of the wire harness can be improved.

  Further, in the case of the press-connecting connector 1 according to the embodiment described above, the operation of pressing the flat cable 200 to the plurality of press-connecting terminals 10 is performed on each press-connecting portion 14 arranged on the housing body 23. When the cover 26 is placed on the flat cable 200 and the cover 26 is pushed into the housing main body 23 in order to connect the cover 26 to the housing main body 23, the flat cable 200 is pushed into the pressure contact portion 14 through the cover 26. Thus, the flat cables 200 can be easily connected together.

  In the case of the press-connecting connector 1 according to the embodiment described above, the housing body 23 is configured such that the second housing body 25 is coupled in a stacked state under the first housing body 24. Furthermore, the first housing main body 24 and the second housing main body 25 both have a terminal accommodating portion 241 for supporting the plurality of press contact terminals 10 in an aligned state on the upper surface, and a pressure contact accommodated in the terminal accommodating portion 241. And an opening 242 that exposes the pressure contact portion 14 of the terminal 10.

  Then, when the flat cable 200 is placed on the pressure contact portion 14 on the upper surface of the second housing body 25 and the first housing body 24 placed thereon is pushed into the second housing body 25 side, The housing main body 24 plays the role of pressing the flat cable 200 into the press contact blade 144 in the same manner as the cover 26 for the first housing main body 24.

  Therefore, it is not necessary to equip the second housing body 25 with the cover 26 for pushing the flat cable 200, and an increase in the number of components is suppressed, and a structure in which the flat cable 200 is press-contacted in multiple stages in a space-saving manner is obtained. be able to.

  In the case of the pressure contact connector 1 according to the embodiment described above, the pressure contact portion 14 of the pressure contact terminal 10 is provided with a cable piercing projection 145, and the cable piercing projection 145 is provided on the bridge portion 211 of the flat cable 200. It is pierced and receives tension acting on the flat cable 200. Therefore, the tension acting on the flat cable 200 from the outside is prevented from acting on the press contact blade 144. Therefore, the press contact blade 144 can be prevented from being deformed by the tension acting on the flat cable 200, and the connection reliability between the press contact blade 144 and the cable conductor can be improved.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

  For example, in the above-described embodiment, a pair of press contact blades 144 are arranged opposite to each other in the press contact portion of the press contact terminal 10, and the covered electric wire 201 is inserted between the pair of press contact blades 144. The press contact blade 144 may be provided only on one side, and a guide wall that movably presses the covered electric wire 201 along the press contact blade 144 may be provided on the side facing the press contact blade 144.

  Further, the housing body 23 of the above-described embodiment is configured in a two-stage structure of a first housing body 24 and a second housing body 25, and the flat cable 200 is press-contacted to each housing body 24, 25. However, it is possible to further increase the number of flat cables 200 to be press-contacted by forming the housing body 23 in multiple stages.

  Here, the features of the above-described embodiments of the pressure contact connector according to the present invention are summarized and listed in the following [1] to [5], respectively.

[1] A pressure connector (1) that press-connects a flat cable (200) in which a plurality of covered electric wires (201) are arranged in a plane and the adjacent covered electric wires (201) are connected by a bridge portion (211). ) And
A plurality of press contact terminals (10) including a press contact portion (14) that performs press contact connection to the wire conductor by pushing the covered wire (201) in a direction perpendicular to the axis of the covered wire (201);
A plurality of the press contact terminals (10) are arranged so that a plurality of the covered electric wires (201) of the flat cable (200) can be collectively pushed into the press contact portions (14) of the plurality of press contact terminals (10). A housing (20) having a terminal accommodating portion (241) which is supported in an aligned state at a pitch corresponding to the arrangement pitch of the covered electric wires (201) in the flat cable (200);
With
The pressure contact portion (14) includes a pair of side wall blades (143) that separate the bridge portions (211) on both sides of the covered electric wire (201) from the covered electric wire (201) when the flat cable (200) is pressed. And a press contact blade (144) in which the coating of the covered electric wire (201) entering between the pair of side wall blades (143) is cut along the entering direction so that the blade tip comes into contact with the electric wire conductor. A pressure contact connector (1) characterized by the above.

  [2] The press contact blade (144) is formed by cutting and raising a part of the side wall blade (143), and a bent portion (144b) at the time of cutting and raising is formed along the approach direction of the covered electric wire (201). The press-connecting connector (1) according to the above [1], which extends.

[3] The housing (20) has an opening (242) that exposes the pressure contact portions (14) of the plurality of pressure contact terminals (10) arranged in the terminal accommodating portion (241). And a cover (26) that covers the opening (242) and is coupled to the housing body (23),
The flat cable (200) is placed on each pressure contact portion (14) exposed in the opening (242), and the cover (26) is placed on the flat cable (200). ) To the housing body (23), the flat cable (200) is pushed into the pressure contact portion (14) when the cover (26) is pushed into the housing body (23). Each said covered electric wire (201) of a cable (200) is press-contacted to the said press-contact part (14), The press-contact connector (1) as described in said [1] or [2] characterized by the above-mentioned.

[4] The housing body (23) is coupled in a stacked state to the first housing body (24) having the opening (242) on the upper surface and the lower surface of the first housing body (24). A second housing body (25),
The second housing body (25) includes the terminal accommodating portion (251) and the opening (252) on an upper surface where the first housing body (24) overlaps,
In a state where the flat cable (200) is placed on each pressure contact portion (14) aligned with the opening (252) of the second housing body (25), the second housing body (25) The first housing body (24) is mounted on the first housing body (24) so that the first housing body (24) is coupled to the second housing body (25). When pushed into the second housing body (25), the flat cable (200) placed on the second housing body (25) is moved into the second housing body (25). The above-mentioned [3], wherein the flat cable (200) is pressed into the press contact portion (14) in the second housing body (25) by being pushed into the press contact portion (14). The description of the insulation displacement connector (1).

  [5] The pressure contact portion (14) includes a cable piercing protrusion (145) at a position spaced from the pair of side wall blades (143) toward the rear end side of the pressure contact portion (14), and the cable piercing protrusion (145). ) Is subjected to tension acting on the flat cable (200) by being pierced into the bridge portion (211) of the flat cable (200) pressed against the pressure contact portion (14) [1] -Pressure connector (1) given in any 1 paragraph of [4].

DESCRIPTION OF SYMBOLS 1 Pressure contact connector 10 Pressure contact terminal 14 Pressure contact part 15 Terminal connection part 20 Housing 23 Housing main body 24 1st housing main body 25 2nd housing main body 26 Cover 143 Side wall blade 144 Press contact blade 144b Bending part 145 Cable sticking protrusion 200 Flat cable 201 Covering Electric wire 211 Bridge portion 241 Terminal accommodating portion 242 Opening portion 251 Terminal accommodating portion 252 Opening portion

Claims (5)

A press-connecting connector for press-connecting a flat cable in which a plurality of covered electric wires are arranged in a plane and the adjacent covered electric wires are connected by a bridge portion,
A plurality of press contact terminals including a press contact portion that performs press contact connection to the wire conductor by pushing the covered wire in a direction orthogonal to the axis of the covered wire;
The plurality of the press contact terminals are arranged at a pitch corresponding to the arrangement pitch of the cover electric wires in the flat cable so that the plurality of the cover electric wires of the flat cable can be collectively pushed into the press contact portions of the plurality of press contact terminals. A housing having a terminal accommodating portion for supporting in an aligned state;
With
The pressure contact portion includes a pair of side wall blades that separate the bridge portions on both sides of the covered electric wire from the covered electric wire when the flat cable is pressed, and a covering of the covered electric wire that enters between the pair of side wall blades. A press-contacting connector, comprising: a press-contacting blade that is cut along an entering direction and has a blade tip that contacts the electric wire conductor.   The press-contacting blade according to claim 1, wherein the press-contacting blade is formed by cutting and raising a part of the side wall blade, and a bent portion at the time of cutting and extending extends along an entering direction of the covered electric wire. connector. The housing includes a housing main body having an opening that exposes the press contact portions of the plurality of press contact terminals arranged in the terminal accommodating portion, and a cover that covers the opening and is coupled to the housing main body. Prepared,
The flat cable is placed on each of the pressure contact portions exposed to the opening, and the cover is placed on the flat cable, and the cover is attached to the housing main body in order to connect the cover to the housing main body. 3. The press-connecting connector according to claim 1, wherein when pressed, the flat cable is pressed into the press-contact portion, and each of the covered electric wires of the flat cable is press-contacted to the press-contact portion. The housing body includes a first housing body having the opening on the upper surface, and a second housing body coupled in a stacked state to the lower surface of the first housing body,
The second housing body includes the terminal accommodating portion and the opening on an upper surface where the first housing body overlaps,
The first housing body is placed on the second housing body in a state where the flat cable is placed on the pressure contact parts arranged in the opening of the second housing body, When the first housing main body is pushed into the second housing main body in order to connect the first housing main body to the second housing main body, the flat placed on the second housing main body The press contact of the flat cable according to claim 3, wherein the cable is pushed into the press contact portion in the second housing body, and the press contact of the flat cable to the press contact portion in the second housing body is completed. connector.   The press contact portion includes a cable piercing protrusion at a position spaced from a pair of the side wall blades toward the rear end side of the press contact portion, and the cable piercing protrusion is provided on the bridge portion of the flat cable that is press-contacted to the press contact portion. The pressure contact connector according to any one of claims 1 to 4, wherein the connector is pierced and receives a tension acting on the flat cable.

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