JP2686652B2 - Electric connector for multi-core coaxial cable and its connection method - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector for a multi-core coaxial cable used for detachably connecting a multi-core coaxial cable to a printed circuit board or the like with high density and a wiring method thereof. It is a thing.

2. Description of the Related Art Conventionally, as such an electrical connector for a multi-core coaxial cable, the one disclosed in Japanese Utility Model Publication No. 58-11023 is known. This electrical connector includes a guide block portion for arranging an exposed outer conductor of an end portion of a coaxial ribbon cable to be connected, and a cable clamp for connecting to the guide block portion to clamp the coaxial ribbon cable. And a housing part in which a contact for ground and a contact for signal are arranged, the contact for ground includes at least a ground terminal that may be arranged in place of the contact for signal, The ground terminal has an outer conductor contact piece that contacts the outer conductor of the end of the coaxial ribbon cable arranged in the guide block portion and can protrude upward through the periphery of the outer conductor. Ground by heating the solder placed on the outer conductor through the protruding portion of the outer conductor contact piece of the ground terminal. After soldering the child and the outer conductor, in which clamping of the coaxial ribbon cable attached to the cable clamp portion is to be performed.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In recent years, with the increasing density and increasing propagation speed in computer circuit systems and the like, there has been a demand for an electrical connector for a multi-core coaxial cable in which a thin coaxial cable is multi-core. It's getting more and more. However, the conventional connector as described above has the following problems, and it has not been possible to sufficiently meet such requirements.

(1) On the outlet side of the coaxial cable, the cable is in one row, whereas the signal contact array on the mating surface to be mated with the mating connector is in two rows.
We cannot meet the demand for higher density.

(2) The contact receiving opening of the housing is shared by the signal contact and the ground contact. When the signal connection is increased, the ground connection is decreased, and when the ground connection is increased, the signal connection is decreased. I will end up. That is,
If you try to increase the number of signal connections, the amount of crosstalk will increase and noise will easily enter. If you try to reduce the crosstalk by increasing the number of ground connections, you will have to reduce the number of signal connections. Met.
There is also a drawback that the connector becomes large in size if the number of ground connections and the number of signal connections are increased.

(3) If you assemble the guide block by winding the terminated coaxial cable, if you leave it as it is, the cable winding may come off from the guide block. Since it has to be done, it has been impossible to carry out assembly work and the like. Therefore, 1
A human worker had to work from the first step to the last step, which required skill, resulting in poor production efficiency and high cost.

An object of the present invention is to provide an electrical connector for a multi-core coaxial cable and a method for connecting the same, which can solve the above conventional problems.

According to the present invention, in a multi-core coaxial cable electric connector for connecting a coaxial cable having a signal conductor and a shield conductor, a contact portion for contacting a contact of a mating connector is provided at one end. A plurality of contacts having a pressure connection wire portion at the other end, a plurality of ground terminals having a contact portion in contact with the ground terminal of the mating connector at one end, and a shield member,
The contact portion has a fitting portion that fits with a mating connector at one end, and the contact portions of the plurality of contacts and the contact portions of the plurality of ground terminals are close to each other so as to face the fitting portion. A contact arranging member for arranging a child and a ground terminal, a plurality of cable receiving grooves for arranging a coaxial cable wire which exposes an end of the coaxial cable and is separated from a shield conductor, and a pressure connection portion of the contact. And a cable wiring member that has a pressure contact receiving surface provided with a plurality of pressure connection wire receiving grooves for receiving the tips of the contact wire and is coupled to the other end of the contact disposing member. The signal conductor is electrically connected to each contact at the other end of the contact arranging member and the pressure contact receiving surface of the cable wiring member at each pressure contact connection portion of each contact, and the shield member is Said separation Are electrically connected between said exposed shielding conductor extend along the coaxial cable line wherein the other end of each of the ground terminals.

Further, according to the present invention, in a connection method for connecting a coaxial cable to an electrical connector for a multi-core coaxial cable having the above-described configuration, a coaxial cable wire and a shield conductor are exposed by exposing a terminal portion of the coaxial cable. First step of separating the exposed coaxial cable wire into each of the cable receiving grooves of the cable wiring member, and electrically connecting the separated shield wire to the shield member;
By coupling the pressure contact receiving surface of the cable wiring member assembled with the coaxial cable wire and the shield member in the step to the other end of the contact arranging member in which the contact is arranged, each coaxial A second step of connecting the signal conductor of the cable wire to each contact at the contact connection portion of each contact.

Furthermore, according to the present invention, there is provided a shield member used for the electrical connector for a multi-core coaxial cable having the above-mentioned configuration, the soldering portion being soldered to the separated shield conductor, and the soldering portion. It has comb-teeth-shaped extensions from the tip of the attachment part and is formed alternately, and has a shield contact part in contact with the other end of the ground terminal and a connection conductor part in contact with the pressure connection part of the contact. Also, a shield member is provided in which the connection conductor portion can be arbitrarily cut and removed at its base portion.

Examples Next, the present invention will be described in more detail with reference to the accompanying drawings with reference to the examples of the present invention.

FIG. 1 is a partially cutaway perspective view showing a connected state of an electrical connector for a multi-core coaxial cable as an embodiment of the present invention, and FIG. 2 is a perspective view of the electrical connector for a multi-core coaxial cable in FIG. It is an expanded sectional view. As shown in FIG. 1 and FIG. 2, the electrical connector of this embodiment includes a contactor disposing member 10 integrally formed of, for example, a plastic material, and a contactor wiring similarly integrally formed of, for example, a plastic material. A member 20, a shield contact portion protection member 30 which is also integrally formed of, for example, a plastic material, and a plurality of signal or ground contacts 40 which are punched, bent, and lowered by, for example, a conductive material having a spring property. For arranging a plurality of coaxial cables, for example, a ground terminal 50 punched out of a conductive material and connected in plural, a shield member 60, and a plurality of coaxial cables integrally formed of a plastic material, for example.
A pair of cable wiring members 70A and 70B and a pair of cable clamps 80 are provided. Reference numeral 90 indicates a coaxial cable connected to this electrical connector.

 Hereinafter, the structure of each member will be described in order.

First, FIG. 3 (A) is a plan view showing a state in which the contactor arrangement member 20, the contactor 40, and the ground terminal 50 are incorporated in the contactor disposing member 10, and FIG. 3 (B) is , Its front view,
FIG. 3 (C) is a bottom view thereof, and FIG. 4 is an enlarged sectional view taken along the line AA of FIG. 3 (A). As shown in these drawings, the contact arranging member 10 is provided with a rectangular fitting recess 11 on the mating side with the mating connector.
Each of the both side walls has a contactor accommodation hole 12, and the upper part of the accommodation hole 12 is opened by being extended in the central axis direction so that the pressure connection parts 43 of the contactor 40 can be arranged in a zigzag manner. There is. In the center of the bottom surface of the fitting concave portion 11, a plurality of ground terminal accommodating holes 13 arranged in a line are provided. A recess 14 for receiving and arranging a contact arranging member 20 described later is provided on the contact arranging member 10. Further, the contact disposition member
Four locking portions 15 projecting from the rear end surface are provided on both left and right sides (in FIG. 3 (A) or (B)) of 10. Each of the locking portions 15 has a protrusion 15 'that protrudes inward.
Is provided.

5 (A) is a plan view of the contact arrangement member 20, FIG. 5 (B) is a front view thereof, FIG. 5 (C) is a bottom view thereof, and FIG. It is a BB line expanded sectional view of a figure (A). An opening portion 21 having an open top is provided at substantially the center of the contactor array member 20, and a bottom wall of the opening portion 21 has
The ground terminal insertion hole 22 having the taper 22 'at the bottom is 1
Rows are provided. On both side walls of the opening 21, contactor disposing holes 23 for receiving and disposing the intermediate part of the contactor 40 are formed in two rows on each side wall by forming a taper 23 'therebelow. Reference numeral 24 is a contactor accommodating hole of the contactor disposing member 10.
It is a projection that is inserted into the upper part of 12 to prevent backlash and that holds the bent portion of the intermediate portion 44 of the contact 40.

FIG. 7 (A) is a plan view of the shield contact portion protection member 30, FIG. 7 (B) is a front view thereof, FIG. 7 (C) is a bottom view thereof, and FIG. FIG. 7 is an enlarged sectional view taken along line CC of FIG. 7 (A). The protective member is provided with a row of ground terminal accommodating holes 31 at the center thereof for receiving the ground terminal 50 at the center thereof and having a taper 31 ', and is connected to the ground terminal accommodating holes on both sides thereof. The shield contact portion accommodating hole 32 is provided with a taper 32 'at the top.

9 (A) is a left side view of the contact 40, FIG. 9 (B).
Is a front view. This contactor 40 includes a contactor disposing member 10
It is inserted and arranged in any one of the contactor accommodating holes (12) and serves both as a signal and a ground. This contactor 40 has a downwardly V-shaped contact portion 41, and a slit 42 for receiving and connecting the signal conductor of the cable or the connecting conductor portion 62 of the shield member 60 at the upper portion. A pressure connection portion 43 is provided. Contact 40
The intermediate portion 44 has a step portion for locking the upper end portion of the contact receiving hole 12 of the contact arranging member 10 to prevent the contact disposing member 10 from dropping downward.
45 and a press-fitting projection 46 for press-fitting into the contactor housing hole 12 to prevent backlash. Contact 40 shown in FIG.
Has a straight middle part, but the contactor 40 has a bent middle part (contactor shown by a dotted line in FIG. 2), and the contactor accommodating holes 12 of each row have By alternately arranging straight ones and bent ones, the pressure connection parts 42 are arranged in a staggered arrangement.

FIG. 10 (A) is a front view of the ground terminal 50, and FIG. 10 (B) is a right side view thereof. This ground terminal 50
Are connected by a connecting portion 51 at an intermediate portion thereof, and a shield contact portion 52 for contacting with a shield contact portion 61 of the shield member 60 is provided above the connecting portion 51, and the connecting portion
Immediately below 51, a press-fitting projection 53 for press-fitting and inserting into and holding the ground terminal accommodating hole 13 of the contact disposing member 10 is provided. Further, below the protrusion 53, a contact portion 54 is provided which is elongated and extends so as to come into contact with a ground terminal (not shown) of the mating connector.

11 (A) is a front view of the shield member 60, FIG. 11 (B) is a bottom view thereof, and FIG. 11 (C) is a right side view thereof. The shield member 60 is provided with shield contact portions 61 and connecting conductor portions 62, which extend in a comb-teeth shape and are alternately provided at the tip thereof. However, in the example of FIG. 11, every other connecting conductor portion 62 is cut from the base portion according to the ground pattern. The shield contact portion 61 is provided with a spring tongue piece 63 for contacting the ground terminal 50 so as to project forward (on the left side in FIG. 11C) with a cantilever. A pressure contact piece 64 for pressure contact connection with the slit 42 provided in the pressure contact connection portion 43 of the contact 40 is bent in the direction of 90 degrees and is rearward (right side in FIG. 11C) on the connection conductor portion 62. Is provided so as to project. As will be described later, a soldering portion 65 for soldering the shield wire of the coaxial cable is provided at the rear of each shield connecting portion 61 and the connecting conductor portion 62.

FIG. 12 (A) is a rear view of the first cable wiring member 70A, FIG. 12 (B) is a front view thereof, FIG. 12 (C) is a right side view thereof, and FIG. FIG. 12 is a sectional view taken along line DD of FIG. 12 (B). The first cable wiring member 70A includes a cable pull-out portion 71A, an adhesive fixing groove 72A, an opening 72A ', a clamp surface portion 73A, a cable clamp press-fitting projection portion 74A, a soldering receiving surface 75A, a coaxial cable receiving groove 76A, and a pressure contact receiving surface. 77A, a pressure connection section receiving groove 78A, a locking projection 79A and a locking receiving section 79A 'are provided.

FIG. 14 (A) is a rear view of the second cable wiring member 70B, FIG. 14 (B) is a front view thereof, FIG. 14 (C) is a right side view thereof, and FIG. FIG. 14 is a sectional view taken along line EE in FIG. 14 (B). The second cable wiring member 70B includes a cable pull-out portion 71B, an adhesive fixing groove 72B, an opening 72B ', a clamp surface portion 73B, a cable clamp press-fitting protrusion portion 74B, a soldering receiving surface 75B, a coaxial cable receiving groove 76B, and a pressure contact receiving surface. 77B, pressure connection wire receiving groove 78B, locking projection receiving step 79B and locking receiving portion 79
B'is provided. These first cable wiring members 70A
After the coaxial cable 90 is wired and the shield member 60 is assembled, the second cable wiring member 70B and the second cable wiring member 70B are
They are combined with each other, and at this time, the locking projection 79A of the first cable wiring member 70A engages with the locking projection receiving step 79B of the second cable wiring member 70B, and the first cable wiring member 7
It functions to maintain the combined state of 0A and the second cable wiring member 70B.

FIG. 16 (A) is a plan view of the cable clamp 80, FIG.
FIG. 1B is a front view thereof. This cable clamp
A cable receiving groove 81 for receiving the coaxial cable and a press-fitting hole 82 for receiving the cable clamp press-fitting protrusions 74A, 74B provided on the first and second cable wiring members 70A, 70B are provided at 80.

An example of the procedure for connecting the multi-core coaxial cable to the multi-core coaxial cable electric connector of the present invention having such a configuration will be described below.

(1) First, as shown in FIGS. 3 and 4, the ground terminal is placed in the ground terminal accommodating hole 13 of the contact disposing member 10.
The contact arranging member 20 in which the plurality of contacts 40 are installed is inserted into the concave portion of the contact arranging member 10 and installed.

(2) Next, as schematically shown in FIG. 17 (A), the first cable wiring member 70A is installed in the groove 111 of the fixed base 110, and the coaxial cable wire 91 including the signal conductor at the center and the shield are provided. Each coaxial cable terminated to separate conductor 92
90 is arranged on the upper side of the first cable wiring member 70A, and the coaxial cable 90 is fixed by the fixing tool 112.

(3) Next, as schematically shown in FIG. 17 (B), a cable clamp 80 for fixing the coaxial cable 90 to the first cable wiring member 70A is sandwiched between the coaxial cables 90 so that the coaxial cables 90 are coaxial. The cable clamp 80 is installed on the upper part of the cable 90, and the cable clamp 80 is inserted downward by the pushing tool 113, and at the same time, the coaxial cable wire 91 from which the jacket and the shield conductor 92 are peeled off is placed in the cable receiving groove 76A of the first cable wiring member 70A. Insert into and homing.

(4) Next, as schematically shown in FIG. 17 (C), the first cable wiring member 70A is fixed in the groove 111 ′ of another fixing base 110 ′ whose front (left side in the drawing) is open. , Coaxial cable 90 and first cable wiring member 70A from above with a retainer 1
The coaxial cable 91 is fixed by 14 and the coaxial cable 91 is bent by a bending tool 115 at the upper part where the coaxial cable 91 protrudes.
Bend it to rotate 0 degrees downward, and then
As schematically shown in FIG. 17 (D), the end portion of the coaxial cable wire 91 is homing-processed into a C-shape from the front (left side in the drawing) by the coaxial cable wire forming tool 116, and the end portion is completely inserted into the cable receiving groove 76. To insert. At this time, the coaxial cable wire 91
The excess length portion of the tip of is cut by the action of the edge blades of the coaxial cable wire forming tool 116 and the fixing base 110 ', and is discarded as the excess length portion 91'.

(5) Next, as shown in FIG. 17 (E), again,
The first cable wiring member 70A is returned to the groove 111 of the fixing base 110 and fixed by another fixing tool 112 ', and the fixing tool 117 is fixed on the upper surface of the first cable wiring member 70A so that the shield member 60 does not move. Hold down. Then, as schematically shown in FIG. 17 (F), the soldering portion of the shield member 60
Place the solder plate member 118 on the upper surface of the 65, and
The separated shield conductor 92 of 0 is covered, and the heater 120 is heated from above by the heater 119 therein to melt the solder plate member 118, and the shield conductor 92 is integrally connected to the shield member 60. Then, as shown in FIG. 17 (G), the first cable wiring member 70A is again attached to another fixture 1 again.
12 ', and while pressing with the holding tool 122, the connecting conductor portion 62 of the shield member 60 according to a predetermined ground pattern is bent downward by about 90 degrees by the bending tool 121, and at the same time, the unnecessary connecting conductor portion. 62 is cut at its base to complete the assembly and wiring of the coaxial cable 90 to the first cable wiring member 70A.

(6) Next, assembling and wiring the coaxial cable 90 to the second cable wiring member 70B is performed by the same procedure as the procedure described in the above items (2) to (5).

(7) The first and second cable wiring members 70A, 70B assembled as described above are united with each other such that the locking projection 79A and the locking projection receiving step 79B are engaged with each other. Let Then, an adhesive or a compound (indicated by reference numeral 85 in FIGS. 1 and 2) or the like is poured into the coaxial cable 90 from the upper coaxial cable outlet and the openings 72A ′ on both sides. And the second
Completely adhere to the cable wiring members 70A and 70B. This state is shown in FIG. 18, FIG. 18 (A) is its front view, FIG. 18 (B) is its side view, and FIG. 18 (C) is its bottom view. Further, the shield contact portion protection member 30 is inserted into the contact portion 61 for protection (see FIG. 2).

(8) Finally, the first united according to the procedure of (7) above.
Then, the second cable wiring members 70A and 70B are press-fitted and assembled from the upper part of the contactor disposing member 10 incorporating the contactor 40 and the ground terminal 50 in the above item (1) with a press-fitting tool (not shown). As a result, the first and second cable wiring members 70A and 70B and the contact disposing member 10 are combined and integrated to complete the connection of the coaxial cable to the electric connector. At this time, the projection 15 'of the locking portion 15 of the contact disposing member 10 has the locking receiving portions 79A', 7A of the first and second cable wiring members 70A, 70B.
By engaging with 9B ', the connection between the contact disposing member 10 and the first and second cable wiring members 70A, 70B is maintained. Further, as shown in FIG. 2, each coaxial cable wire 92 is press-fitted into the slit 42 of the press-connecting connection portion 43 of each contact 40 to electrically connect each signal conductor and its contact 40. When the connection is made, the pressure contact piece 64 of the connection conductor portion 62 located at the position corresponding to the ground pattern of the shield member 60 is press-fitted. Furthermore, as well shown in FIG. 2, each shield contact portion 52 of the ground terminal 50 contacts the spring tongue 63 of the shield contact portion 61 of each corresponding shield member.

FIG. 19 (A) is a front view showing another embodiment of the shield member used in the electric connector of the present invention, and FIG. 19 (B) is a side view thereof. As shown in these figures, the shield member 60A of this embodiment is similar to that of the ground terminal shown in FIG. 10 and the shield member shown in FIG. 11, and the tip of the soldering portion 65A. Further, ground terminal connecting portions 61A and connecting conductor portions 62A extending in a comb shape are alternately provided. However, in the example of FIG. 19, every other connecting conductor portion 62A is cut from the base portion according to the ground pattern. The tip of the ground terminal connection 61A is
They are connected by a connecting portion 51A, and immediately below the connecting portion 51A, there is provided a contact portion 54A which is elongated and extends to make contact with a ground terminal (not shown) of a mating connector. The connection conductor portion 62A has a pressure contact piece 64 for pressure contact connection with the slit 42 provided in the pressure contact connection portion 43 of the contact 40.
A is bent in the direction of 90 degrees and is provided so as to project rearward. By using such a shield member 60A, the number of parts can be reduced.

FIG. 20 is a sectional view of an electric connector as another embodiment of the present invention. In the electrical connector of this embodiment, the contactor wiring member 20 'and the shield contact portion protection member 30' are used to arrange the contactor arrangement member 10 in which the super-multicore contactor 40 'and the ground terminal 50' are disposed below. ′ Is provided, and a plurality of cable wiring members 70 ′ in which the coaxial cables 90 ′ for each row are laid using the shield member 60 ′ and the cable 80 ′ are prepared, and one block is provided on the contact for each row. The ultra-multicore connector can be completed by incorporating the converted cable wiring member.

EFFECTS OF THE INVENTION According to the electrical connector for a multi-core coaxial cable and the method of connecting the same of the present invention as described above, the following effects can be obtained.

(1) On the outlet side of the coaxial cable, the cable can be arranged in one row and the signal contacts on the mating surface can be arranged in one row. Electrical connector.

(2) The contact arranging member can completely separate the arrangement of the signal contacts and the arrangement of the ground contacts, and the ground pattern can be various patterns, so that the crosstalk is possible. Is more complete, and the number of signal connections and ground connections can be increased more than ever before.

(3) Whether the cable wiring member is a single member or a pair, after the cable and the shield member are assembled, they can be made into blocks as they are. Since the work can be performed without requiring much skill, streamlined work can be performed, mass production can be performed, and production efficiency is improved, which is inexpensive.

(4) The shield member is connected to the shield member of the coaxial cable, and the shield member is connected to the ground terminal. It is possible to dispose each member close to the signal line or signal contact of the coaxial cable. Therefore, it greatly contributes to the reduction of crosstalk.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing a connected state of an electrical connector for a multi-core coaxial cable according to an embodiment of the present invention.
The figure is an enlarged cross-sectional view of the electric connector for a multi-core coaxial cable in FIG. 1, and FIG. 3 (A) shows a contact arrangement member, a contact arrangement member, a contact, and a ground terminal. A plan view showing the state, FIG. 3 (B) is a front view thereof, FIG. 3 (C) is a bottom view thereof, and FIG. 4 is A- of FIG. 3 (A).
A line A enlarged sectional view, FIG. 5 (A) is a plan view of the contactor array member, FIG. 5 (B) is its front view, and FIG. 5 (C) is
A bottom view thereof, FIG. 6 is an enlarged sectional view taken along line BB of FIG. 5 (A), FIG. 7 (A) is a plan view of a shield contact portion protecting member, and FIG. 7 (B) is thereof. A front view, FIG. 7 (C) is a bottom view thereof, FIG. 8 is an enlarged sectional view taken along line CC of FIG. 7 (A), and FIG. 9 (A) is a left side view of a contactor, Fig. 9 (B)
Is its front view, FIG. 10 (A) is a front view of the ground terminal, FIG. 10 (B) is its right side view, and FIG. 11 (A) is
A front view of the shield member, FIG. 11 (B) is a bottom view thereof,
FIG. 11 (C) is a right side view thereof, and FIG. 12 (A) is a first side view.
A rear view of the cable wiring member, FIG. 12 (B) is a front view thereof, FIG. 12 (C) is a right side view thereof, and FIG. 13 is a sectional view taken along line DD of FIG. 12 (B). , FIG. 14 (A) is a rear view of the second cable wiring member, and FIG. 14 (B) is a front view thereof.
FIG. 14 (C) is a right side view thereof, FIG. 15 is a sectional view taken along line EE of FIG. 14 (B), and FIG. 16 (A) is a plan view of the cable clamp. (B) is a front view thereof, and FIGS. 17 (A) to (G) are for connecting the multi-core coaxial cable to the electric connector for multi-core coaxial cable of the present invention shown in FIGS. 1 and 2. 18 is a schematic view for explaining the procedure of
FIG. 18A is a front view showing a state where a coaxial cable is assembled to a cable wiring member, and FIG.
FIG. 18 (C) is a bottom view thereof, FIG. 19 (A) is a front view showing another embodiment of the shield member used in the electrical connector of the present invention, and FIG. 19 (B) is a side view thereof. Figure, Figure 20,
It is sectional drawing of the electric connector as another Example of this invention. 10 ...... Contact arrangement member, 20 ...... Contact wiring member, 30 ...... Shield contact protection member, 40 ...... Contact, 41 ...... Contact part, 43 ...... Pressure connection wire part, 50 ...... Ground terminal , 51 ... Coupling part, 52 ... Shield contact part, 54 ... Contact part, 60 ... Shield member, 61 ... Shield contact part, 62 ... Connecting conductor part, 63 ... Spring tongue piece, 64 ... Pressure contact piece, 65 ... Soldering part, 70A ... First cable wiring member, 70B ... Second cable wiring member, 80 ... Cable clamp, 90 ... Coaxial cable, 91 ... Coaxial cable wire, 92 ... Shield conductor.

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Mitsuo Takamoto 5-33-1 Shiba, Minato-ku, Tokyo NEC Corporation (72) Inventor Noriaki Nishiyama 5-33-1 Shiba, Minato-ku, Tokyo Japan Electric Co., Ltd.

Claims (3)

(57) [Claims] 1. An electrical connector for a multi-core coaxial cable for connecting a coaxial cable having a signal conductor and a shield conductor, wherein a contact portion for contacting a contact of a mating connector is provided at one end and a pressure connection portion is provided at the other end. A plurality of contacts having
A plurality of ground terminals having a contact portion that contacts a ground terminal of the mating connector at one end, a shield member, and a contact portion of the plurality of contacts that has a fitting portion that mates with the mating connector at one end A contact disposing member that disposes the contact and the ground terminal so as to face the fitting part in a state where the contact parts of the plurality of ground terminals are close to each other, and the end part of the coaxial cable is exposed. A plurality of cable receiving grooves for arranging the coaxial cable wire separated from the shield conductor and a plurality of pressure contact connecting portion receiving grooves for receiving the tips of the pressure contact connecting portions of the contacts are provided at one end, and A cable wiring member coupled to the other end of the contact arranging member, wherein the signal conductor of each of the coaxial cable wires includes the other end of the contact arranging member and the cable wiring member. On the contact-receiving surface, each contact is electrically connected to each contact at a pressure connection portion of each contact, and the shield member extends along the separated coaxial cable line and the exposed shield conductor. An electrical connector for a multi-core coaxial cable, which is electrically connected to the other end of each of the ground terminals. 2. A wiring method for connecting a coaxial cable to an electrical connector for a multi-core coaxial cable according to claim 1, wherein a terminal portion of the coaxial cable is exposed to separate the coaxial cable wire and the shield conductor. A first step of arranging the exposed coaxial cable wire in each of the cable receiving grooves of the cable wiring member and electrically connecting the separated shield wire to the shield member; and the first step. By connecting the pressure contact receiving surface of the cable wiring member in which the coaxial cable wire and the shield member are assembled to the other end of the contactor disposing member in which the contactor is disposed, each of the coaxial cable wires A second step of crimping the signal conductor to each contact at the crimping connection part of each contactor. 3. A shield member used in the electrical connector for a multi-core coaxial cable according to claim 1, wherein a soldering portion to be soldered to the separated shield conductor and a tip of the soldering portion are provided. The connection conductor portion has a shield contact portion that extends in a comb-like shape and is alternately formed and that contacts the other end of the ground terminal, and a connection conductor portion that connects to the pressure connection portion of the contactor. Is a shield member which can be arbitrarily cut and removed at its base.