JP2006147473A - Multi-electrode coaxial cable connector and connector assembling method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multi-electrode coaxial cable connector in which numerous numbers of extra-fine coaxial cables are compactly integrated. <P>SOLUTION: A coaxial cable assembly 1 in which coaxial cables are bundled in parallel and integrated with a ground plate 3 contacted with external conductors 6, a housing 11 equipped with a cable housing part, a first conductive shell 35 having means to become electrically connected to the ground plate 3, and a second conductive shell 45 having means to become electrically connected to the ground plate 3 are provided. The coaxial cable assembly placed on the cable housing part of the housing 11 is made to be electrically connected to the ground plate 3 via the first conductive shell 35 and assembled, next, another coaxial cable assembly is placed on the upper face of the first conductive shell 35, that ground plate is arranged to be connected to the first conductive shell 35, and the second conductive shell 45 is made to be electrically connected in this state to the ground plate 3 of the other coaxial cable assemblies, and is assembled in a way covering them. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a multipolar coaxial cable connector and a connector assembling method, and more specifically, without changing the pitch of the fine coaxial cable, a plurality of fine coaxial cables, for example, if the required pole is 60 pieces, 30 pieces each. The present invention relates to a multipolar coaxial cable connector that can be miniaturized even if the number of poles is large by shifting the position of the ground contact of the upper and lower stages in two layers.

As shown in FIG. 25, the coaxial connector in the prior art is mounted with three aligned fine coaxial cables 111 and a ground plate 113 connected to the outer conductor 112 of the three fine coaxial cables 111 on the distal end side. The plate receiving portion 114 to be connected, the first terminal receiving portion 118 for connecting the connection piece 116 of the terminal 115 and the inner conductor 117 of the coaxial cable 111 at a substantially central position, and the contact piece 119 of the terminal 115 facing the rear end side. Insulating housing 121 provided with second terminal accommodating portion 120, insulating plate 122 for covering from the upper position of first and second terminal accommodating portions 118, 120 of insulating housing 121, and upper portion where insulating plate 122 is disposed And a conductive shell 124 that covers the insulating housing 121. .
The first terminal accommodating portion 118 of the insulating housing 121 is formed in a concave portion continuously in the lower direction, and has a first fitting provided with a terminal guide hole 125 for engaging the contact piece 119 of the terminal 115 on one side wall surface thereof. The joint recess 126 is formed, and further, a second fitting recess 128 of a recess is provided at an outer position of the fitting projection 127 forming the first fitting recess 126.

  The micro coaxial cable 111 has a structure in which an inner conductor 117 is provided at the center, an outer side thereof is covered with an inner insulating coating 129, an outer conductor 112 is provided on the outer side, and a coating 130 is provided on the outermost side. Three micro coaxial cables having such a structure are used in parallel in series.

  The terminal 115 is formed by punching and bending a conductive metal plate. The terminal 115 is formed by bending a connection piece 116 formed in a substantially rectangular plate shape and a base portion of the connection piece 116 in a substantially orthogonal upper direction. The first connecting piece 131 is formed, and the base portion of the first connecting piece 131 is bent in the opposite direction perpendicular to the same direction as the connecting piece 116 to form the second connecting piece 132, and the base portion of the second connecting piece 132 is further formed. The contact piece 119 is formed by being bent in the direction orthogonal to the connection piece 116 and opposite to the first connection piece 131.

  The terminal 115 disposed in the second terminal accommodating portion 120 is disposed in a state where the contact piece 119 faces the first fitting recessed portion 126 formed in the recessed portion.

  As shown in FIG. 25, the mating connector 135 is formed of an insulating housing, and a central portion of the housing is provided with a fitting convex portion 127 of the coaxial connector and first and second fitting concave portions 126 and 128, respectively. The fitting concave portion 136 and the first and second fitting convex portions 137 and 138 are formed, and the signal side terminal 139 is formed between the first fitting convex portion 137 and the second fitting convex portion 138. It has a structure in which a terminal receiving groove 141 in which the contact portion 140 at the front end is arranged is provided.

  A signal-side terminal 139 is disposed in the fitting recess 136, the first and second fitting projections 137, 138, and the locking portion 141 of the signal-side terminal 139 is the second fitting projection 138. The contact portion 140 on the distal end side is accommodated in the terminal accommodating groove 141, the distal end portion 142 of the signal side terminal 139 protrudes into the fitting recess 136, and the connection portion 143 is exposed on the bottom side (not shown). And connected to a printed circuit board or the like.

Assembling in the connector having the above structure, first, (1) the predetermined lengths of the inner conductor 117, the inner insulating coating 129, and the outer conductor 112 are sequentially exposed from the end portions of the three micro coaxial cables 111, A micro coaxial cable is arranged in parallel in a horizontal direction at a predetermined pitch, and both upper and lower surfaces thereof are sandwiched with adhesive tape and fixed with an adhesive, and both upper and lower surfaces of these external conductors 112 are sandwiched between ground plates 113 and soldered. Forming a cable assembly;
(2) Then, the three terminals 115 are press-fitted into the second terminal accommodating portion 120 of the housing 121 from the upper surface side. Specifically, the connection piece 116 of the terminal 115, the first and second coupling pieces 131 and 132, and the contact piece 119 are guided to the first terminal accommodating portion 118, the second terminal accommodating portion 120, and the terminal guide hole 125 of the housing 121.
(3) Next, the ground plate 113 of the cable assembly assembled in the above (1) is accommodated in the plate accommodating portion 114 of the housing 121, and the inner conductor 117 of each micro coaxial cable 111 is connected to the corresponding terminal connection piece 116. Solder to.
(4) Next, the insulating plate 122 is fitted into the upper portion of the terminal 115 accommodated in the first terminal accommodating portion 118 above the first terminal accommodating portion 118 of the housing 121.
(5) Next, the conductive shell 124 is fitted from the front side of the housing 121, and the conductive shell 124 is fixed to the outer peripheral side of the housing 121. At the time of fixing, the tongue 123 of the conductive shell 124 comes into elastic contact with the ground plate 113 of the cable assembly, and the outer conductor 112 of the micro coaxial cable 111 is electrically connected to the conductive shell 124.

  The coaxial cable connector assembled in this way can be fitted to the mating connector in a male-female relationship. That is, the fitting convex portion 127 of the coaxial cable connector is fitted into the fitting concave portion 136 of the counterpart connector, so that the distal end portion 142 is maintained in contact with the contact piece 119.

Japanese Patent Application No. 20003-51706 (pages 5-9, Fig. 1)

However, in the conventional coaxial connector described in the background section above, the shield and ground bar are electrically connected and integrated by sandwiching the shield of the coaxial cable with the ground bar and filling with solder. Thus, the ground bar is in contact with the ground contact of the connector. For this reason, the coaxial cables have to be arranged in a line at a specified pitch for the required number of poles.
As described above, when the number of coaxial cables having the same shape is increased with the current structure, or there is no method other than reducing the pitch of the coaxial cable itself in order to reduce the size with the same number of coaxial cables. There is.

  Therefore, there is a problem that must be solved by using a current coaxial cable and a structure of a multipolar coaxial cable connector that can be reduced in size or increased in size even if the number of coaxial cables is increased.

  In order to solve the above problems, a multipolar coaxial cable connector according to the present invention is configured as follows.

(1) A multi-pole coaxial cable connector includes at least two first and second coaxial cable assemblies in which a predetermined number of coaxial cables are bundled in parallel and integrated with a ground plate that contacts an outer conductor of the coaxial cable; A housing provided with a fitting recess in parallel with a terminal facing the side, and provided with an upper stage and a lower stage by shifting the cable housing part for housing and holding the first and second coaxial cable assemblies on the upper side;
Means for electrically connecting to the ground plate of the first coaxial cable assembly housed and held in the lower cable housing portion, and a space for placing the second coaxial cable assembly on the upper surface; A first conductive shell, and a second conductive shell having means for electrically connecting to a ground plate of the second coaxial cable assembly, the first conductive shell and the second conductive shell. Are electrically connected directly or conducted through a conductive member.
(2) The space for placing the second coaxial cable assembly of the first conductive shell is provided with a cable placement portion that conducts with the ground plate of the second coaxial cable assembly. The multipolar coaxial cable connector according to 1).
(3) The first conductive shell is inserted and attached from the rear side of the housing, and the second conductive shell is formed to cover a substantially outer periphery of the housing, and is inserted from the front direction of the housing. The multipolar coaxial cable connector according to (1), characterized in that it is configured as described above.
(4) The multipolar coaxial cable connector according to (1), wherein the means for electrically connecting the first conductive shell is configured to connect a tongue piece formed by cutting and bending a plate member to a ground plate. .
(5) The connector assembling method includes preparing at least two coaxial cable assemblies generated by bundling a plurality of coaxial cables and electrically connecting external conductors with a ground plate,
In the housing in which the cable housing portion for housing the coaxial cable assembly is shifted in position and provided in the upper and lower stages, and the fitting recess is provided in parallel with the mating connector at the bottom.
One coaxial cable assembly is attached to the lower cable housing portion, the first conductive shell is inserted so as to sandwich the attached coaxial cable assembly, and coaxial with the tongue piece provided on the first conductive shell. Contact the ground plate of the cable assembly for electrical connection,
Next, another coaxial cable assembly is attached to the upper cable housing portion, and the second conductive shell is inserted so as to cover the upper portion of the attached coaxial cable assembly, and is provided on the second conductive shell. The ground plate of the coaxial cable assembly is brought into contact with and electrically connected to a tongue piece, and at the same time, the ground plate is brought into contact with the convex portion of the first conductive shell to obtain an electrical connection. is there.

  The multipolar coaxial cable connector of the present invention is a bundle of a plurality of microcoaxial cables that are assembled into an assembly, arranged in a state where there is an upper and lower step and shifted in the horizontal direction, and each ground plate is interposed via a shell. By connecting them electrically, a large number of micro coaxial cables can be gathered in a compact manner, and the size can be reduced accordingly.

  Next, embodiments of the multipolar coaxial cable connector and the connector assembling method according to the present invention will be described with reference to the drawings.

  As shown in FIGS. 1 and 2 to 4, the multipolar coaxial cable connector 10 according to the present invention prepares two sets of micro coaxial cable assemblies 1 in which 30 wires are bundled in parallel. A housing 11 formed of an insulating member that arranges a micro coaxial cable assembly 1 in a bundle on the upper stage and a lower stage, and a micro coaxial cable assembly on the lower stage side (first coaxial cable assembly) assembled to the housing 11 A first conductive shell 35 formed of a metal member for grounding the ground plate 3 between the first and second micro coaxial cable assemblies (second coaxial cable assemblies) 1; A second conductive shell 45 that is mounted in electrical contact with the ground plate 3 so as to be covered from the upper part of the micro coaxial cable assembly 1 on the side, and a micro coaxial cable assembly on the lower stage side The first terminal 53 connected to the core wire 4 of each of the fine coaxial cables 2 and the second terminal 58 connected to the core wire 4 of each of the fine coaxial cables 2 in the upper-stage fine coaxial cable assembly 1. ing.

  As shown in FIGS. 5 to 7, the ultrafine coaxial cable assembly 1 includes 30 coaxial cables 2 bundled and arranged in parallel in parallel in the embodiment, and sandwiched between mesh-like outer conductors 6 by a ground plate 3. It is configured to be bundled in an electrically connected state. The coaxial cable 2 is covered with an inner insulating coating 5 so as to cover the core wire 4 of the inner conductor, and is formed with an outer conductor 6 formed of a mesh-like metal member on the outer periphery thereof, so as to cover the outer conductor 6. It consists of the outer jacket 7 formed.

  As shown in FIGS. 1 and 8 to 11, the insulative housing 11 is formed in a substantially horizontally long rectangular parallelepiped shape, and accommodates a first plate that accommodates the coaxial cable assembly 1 corresponding to the lower side of the tip side. A first connection piece housing portion 13 provided with a portion 12, connected to the first plate housing portion 12 to place the ground plate 3, and a first connection piece housing portion 13 provided continuously to the first connection piece housing portion 13. The first terminal accommodating portion 14 formed of a groove for accommodating the terminal 53 and the first contact piece engaging hole 15 for allowing the first contact piece 56 of the first terminal 53 to penetrate the end portion of the first terminal accommodating portion 14. And a second connecting piece receiving portion 16 for receiving the ground plate 3 of the coaxial cable assembly 1 corresponding to the upper step side is provided adjacent to the second connecting piece receiving portion 16. The second contact piece 59 of the second terminal 58 is passed through the position. A second contact piece engaging hole 17 of the eye, and has a structure in which the second terminal accommodating portion 18 for accommodating the second terminal 58 to successive positions in the second contact piece engaging hole 17.

Further, on the rear end side (left side in FIG. 1, right side in FIG. 9), a first conductive shell engagement groove 19 that engages with the first conductive shell 35 is provided, and the front end side (right side in FIG. 9 (left side in FIG. 9) is provided with a second conductive shell engaging groove 20 for engaging the second conductive shell 45, and is an upper surface shown in FIG. The first conductive shell engaging portions 24a and 24b for engaging the first conductive shell 35 formed by grooves at the intermediate position are provided.
Furthermore, at the upper position of the first plate accommodating portion 12, when the first conductive shell 35 is engaged with the first conductive shell engaging portions 24a, 24b, the upper surface thereof corresponds to the upper side. The second coaxial cable housing part 25 for housing the coaxial cable assembly 1 is provided.
Moreover, the 1st fitting recessed part 21 notched in the bottom direction was provided in the lower part position of the 1st terminal accommodating part 14, and the 1st contact piece engagement hole 15 was provided in the edge next to it, and the 1st contact piece engagement was carried out. The second fitting recess 22 having the second contact piece engagement hole 17 is provided at a position facing the hole 15, and the third fitting recess 23 is provided at an adjacent position. The wall between the first fitting concave portion 21 and the second fitting concave portion 22 becomes the first fitting convex portion 21a, and the wall between the second fitting concave portion 22 and the third fitting concave portion is the second fitting. It becomes the joint convex part 22a. The first contact piece engaging hole 15 with which the first contact piece 56 of the first terminal 53 is engaged is formed on one surface of the both side wall surfaces of the second fitting recess 22, and the second terminal is formed on the opposite surface. A second contact piece engaging hole 17 with which the 58 second contact pieces 59 are engaged is provided.

As shown in FIG. 1 and FIGS. 12 to 15, the first conductive shell 35 has a shape that covers the substantially outer periphery of the housing 11, is formed of a substantially rectangular flat plate member, and has an upper surface on the second coaxial cable. It is a space for placing the coaxial cable assembly 1 accommodated in the accommodating portion 25, and has a locking piece 36 formed by bending the distal end side in the lateral direction and further bending the distal end to form a substantially U-shape. The housing engaging portion 37, three tongue pieces (convex portions) 38a, 38b, 38c formed by notching and bending downward on the base side forming the housing engaging portion 37, and three tongue pieces 38a , 38b, 38c, the second coaxial cable support portions (convex portions) 39a, 39b formed so as to be arranged in the upper direction, and the coaxial cable assembly on both sides in the back direction from the tongue pieces 38a, 38b, 38c. Guide 1 Guide portion 40a, and 40b for the guide portion 40a of the assembly, to guide the 40b, consisting of the cable mounting part 41. for causing placed on electrically connected to the ground plate of the coaxial cable assembly 1.
The cable placement portion 41 is formed by providing two parallel protrusions 41a in parallel, and the ground plate 3 is placed on the protrusion 41a and is electrically connected. The number of the convex portions 41a formed on the wire is not limited to two. In short, the number of the convex portions 41a may be three, for example, as long as the ground plate of the coaxial cable can be electrically connected. Alternatively, the width of the line may be formed wide.
In addition, housing engaging protrusions 42a and 42b are formed at the longitudinal ends so as to protrude by a predetermined length so as to engage with the first conductive shell engaging portions 24a and 24b (see FIG. 8) of the housing 11. It has a configuration.
A space between the second coaxial cable support portions 39a and 39b and the cable placement portion 41 sandwiched between the guide portions 40a and 40b becomes a space for placing the coaxial cable assembly 1.
Further, the ground plate 3 of the coaxial cable assembly 1 in which the cable placing portion 41 is located at the upper stage is pressed by the tongue pieces 47a, 47b, 47c of the second conductive shell 45, so that the tongue pieces 47a, 47b, 47c are As a result, the second conductive shell 45, the ground plate 3 of the upper coaxial cable assembly 1, the first conductive shell 35, and the lower coaxial cable are electrically connected. The ground plate 3 of the assembly 1 is electrically connected.

As shown in FIGS. 1 and 16 to 20, the second conductive shell 45 is obtained by processing a flat plate member with a size covering the outer periphery of the housing 11, and bending the rear end side at a substantially right angle. A gripping portion 46 is provided, and tongue pieces (protrusions) 47a, 47b, 47c are provided at approximately the central position, and notches are protruded in the downward direction. A side wall locking portion 49 including a piece 48 is provided, and a side wall portion 50 is provided at a position in the back direction aligned with the side wall locking portion 49.
As described above, since the second conductive shell 45 has a structure that covers the substantially outer periphery of the housing 11, the shield effect of the connector can be enhanced.

  As shown in FIGS. 1 and 21, the first terminal 53 is formed by bending a flat bar-like member, and has one end that is long enough to be accommodated in the first connection piece accommodating portion 13 shown in FIG. The first connection piece 54 is formed, and the first connection piece 54 is formed by being bent in the direction orthogonal to the first connection piece 54 to have a step, and then bent in the opposite direction parallel to the first connection piece 54. The connecting piece 55 and the terminal end side of the first connecting piece 55 are bent in a direction perpendicular to the first connecting piece 54 side, that is, the length of the first contact piece engaging hole 15 shown in FIG. And the first contact piece 56 formed by folding back. The first connection piece 54 is accommodated in the first connection piece accommodation portion 13 shown in FIG. 8 and the first contact piece 56 is inserted into the first contact piece engagement hole 15.

  As shown in FIGS. 1 and 22, the second terminal 58 is formed by bending a flat bar-like member. One end is bent and brought into close contact to form a second contact piece 59. This second contact It has a structure including a second connection piece 60 formed by bending a position continuous with the piece 59 in a direction perpendicular to the piece 59. The second connection piece 60 is accommodated in the second terminal accommodating portion 18 shown in FIG. 8, and the second contact piece 59 is inserted into the second contact piece engaging hole 17.

The mating connector 63 is formed of an insulating housing, as shown in FIGS. 1 and 23 to 24, and the first and second fitting convex portions 21 a and 22 a of the coaxial connector are formed at the center of the housing. First, second and second fitting recesses 64, 65, first, second, and third fitting projections that can be fitted into the first, second, and third fitting recesses 21, 22, and 23 (see FIG. 1), respectively. First portions 73, 67, and 68 are formed, and the tip portion 73 at the tip of the first signal side terminal 71 faces between the first fitting convex portion 66 and the second fitting convex portion 67. A terminal accommodating groove 69 is provided, and a second terminal accommodating groove 70 is disposed between the second fitting convex portion 67 and the third fitting convex portion 68 so that the leading end portion 79 of the second signal side terminal 76 faces. The structure is provided.

And the 1st latching of the 1st signal side terminal 71 is carried out in the 1st terminal accommodation slot 69 provided in the 1st fitting crevice 64 between these 1st fitting convex parts 66 and the 2nd fitting convex parts 67. The portion 75 is press-fitted and locked from behind, the tip portion 72 on the tip side is received in the first terminal receiving groove 69, the contact portion 73 of the first signal side terminal 71 protrudes into the first fitting recess 64, and the connecting portion 74. Is exposed to the bottom side (not shown) and connected to a printed circuit board or the like.
Similarly, in the second terminal receiving groove 70 provided in the second fitting recess 65 between the second fitting protrusion 67 and the third fitting protrusion 68, the second locking portion 77 of the second signal side terminal 76 is provided. Is press-fitted and locked from behind, the distal end portion 78 of the distal end side is accommodated in the second terminal accommodating groove 70, the contact portion 79 of the second signal side terminal 76 protrudes into the second fitting recess 65, and the connecting portion is not shown. It is exposed on the bottom side and connected to a printed circuit board or the like.

  The assembly in such a configuration will be described below.

(1) First, predetermined lengths of the core wire 4, the inner insulating coating 5, and the outer conductor 6 are sequentially exposed from the ends of the 30 coaxial cables 2 shown in FIGS. Arranged in parallel in the horizontal direction, both upper and lower surfaces are sandwiched with adhesive tape and fixed with an adhesive, and both upper and lower surfaces of these external conductors 6 are sandwiched with a ground plate 3 and soldered to create a coaxial cable assembly 1 To do. Two coaxial cable assemblies 1 are prepared.

(2) Then, the 30 first terminals 53 are press-fitted into the first terminal accommodating portion 14 of the housing 11 from the upper surface side. Specifically, the first connection piece 54, the first connection piece 55, and the first contact piece 56 of the first terminal 53 shown in FIG. 21 are connected to the first connection piece housing portion 13 of the housing 11 shown in FIGS. The first connecting piece 54 is guided by engaging press-fitting the first connecting piece 55 into the first terminal accommodating portion 14 and the first contact piece 56 into the first contact piece engaging hole 15.

(3) Similarly, the 30 second terminals 58 are also press-fitted into the second terminal accommodating portion 18 of the housing 11 from the upper surface side. Specifically, the second connection piece 60 and the second contact piece 59 of the second terminal 58 shown in FIG. 22 are connected to the second terminal accommodating portion 18 of the housing 11 shown in FIGS. The second contact pieces 59 are respectively engaged with the contact piece engaging holes 17 and guided.

(4) Next, as shown in FIG. 1, each coaxial cable is accommodated by housing the ground plate 3 of one coaxial cable assembly 1 assembled in the above (1) in the first plate housing portion 12 of the housing 11. The second core wire 4 overlaps with the first connection piece 54 of the first terminal 53 located in the first connection piece housing portion 13. The overlapping first connection piece 54 and the core wire 4 are soldered.

(5) Next, in the upper part of the first terminal accommodating portion 14 of the housing 11 shown in FIG. 1 and on the upper surface side of the first terminal 53 accommodated in the first terminal accommodating portion 14, The housing engaging protrusions 42a and 42b of the first conductive shell 35 shown in FIGS. 12 and 1 are arranged so as to sandwich the coaxial cable assembly 1 from the direction in which the coaxial cable 2 is placed (left side in FIG. 1). 8 is engaged with the first conductive shell engaging portions 24a and 24b of the housing 11, and the first conductive shell engaging groove 19 of the housing 11 is engaged with the locking piece 36 of the first conductive shell 35 and the housing. The joint portion 37 is fitted and inserted. Then, the tongue pieces 38a, 38b, 38c of the first conductive shell 35 shown in FIGS. 1 and 12 can be brought into contact with the ground plate 3 of the coaxial cable assembly 1 to obtain an electrical connection.

(6) Next, guide portions 40a and 40b guide the second coaxial cable support portions 39a and 39b on the upper surface of the first conductive shell 35 incorporated in the housing 11 shown in FIGS. The coaxial cable assembly 1 is accommodated. As a result, the ground plate 3 is placed on the cable placement portion 41 of the first conductive shell 35 shown in FIG. 1 and comes into contact with the projection 41 a to obtain an electrical connection. The core wires 4 face each other so as to overlap the second connection piece 60 of the second terminal 58 accommodated in the two-terminal accommodating portion 18. The second connecting piece 60 and the core wire 4 facing each other in an overlapping manner are soldered.

(7) Next, the second conductive shell 45 is placed so as to cover the upper part of the coaxial cable assembly 1 from the front direction of the housing, that is, the direction opposite to the direction in which the coaxial cable 2 is placed (right side in FIG. 1). The side wall portion 50 and the side wall locking portion 49 are engaged with the lateral side of the housing and inserted into the outer periphery, and the grip portion 46 of the second conductive shell 45 is engaged with the second conductive shell engagement groove 20 of the housing. The second conductive shell 45 is fixed to the outer peripheral side of the housing 11 by engaging the cut-and-raised piece 48 (see FIG. 17) of the side wall locking portion 49 with the locking portion (not shown) of the housing 11. At the time of fixing, the tongue pieces 47a, 47b, 47c of the second conductive shell 45 shown in FIGS. 1 and 3 press and elastically contact the ground plate 3 of the upper coaxial cable assembly 1, and the ground plate 3 is electrically connected. Thus, the outer conductor 6 of the coaxial cable 2 connected electrically is electrically connected to the second conductive shell 45.
Then, the ground plate 3 of the upper coaxial cable assembly 1 electrically connected by the first conductive shell 35 is pressed by the tongue pieces 47a (47b, 47c) of the second conductive shell 45 to be electrically connected. Electrical connection is obtained by being connected and simultaneously pushed by the cable mounting portion 41 of the first conductive shell 35 located on the lower side of the ground plate 3.
As described above, the ground plate 3 of the upper coaxial cable assembly 1 electrically connected by the first conductive shell 35 and the ground of the lower coaxial cable assembly 1 electrically connected by the second conductive shell 45. This means that the plate 3 is electrically connected, and even when the upper and lower coaxial cables are physically displaced at the time of assembly, both ground plates 3 can be electrically connected. .

  The coaxial cable connector assembled in this way can be fitted with the mating connector. That is, the contact portion 73 is obtained by fitting the first, second, and third fitting convex portions 66, 67, and 68 of the mating connector 63 into the first, second, and third fitting concave portions 21, 22, and 23. Is in contact with the first contact piece 56, and the contact portion 79 is in contact with the second contact piece 59.

  In the embodiment, the description has been given by assembling the two-stage coaxial cable assembly. However, the present invention is not limited to this. For example, three stages may be used, and all the connectors in which a plurality of coaxial cable assemblies are assembled may be used. Of course, it can be applied.

  The multipolar coaxial cable connector according to the present invention includes, for example, 30 micro coaxial cables bundled to form an assembly, and the assembly is arranged in a state where there is an upper and lower step and shifted in the horizontal direction, and each ground plate is disposed in a shell. As a result of being electrically connected via a cable, a large number of micro coaxial cables, for example 60 coaxial cables, can be assembled into a compact assembly of 30 cables each. A polar coaxial cable connector can be provided.

It is sectional drawing which shows the coaxial cable connector and other party connector which concern on this invention. 2 is a plan view of the coaxial cable connector. FIG. It is a side view of a coaxial cable connector. It is a bottom view of a coaxial cable connector. 2 is a front view of the coaxial cable assembly. FIG. 2 is a plan view of the coaxial cable assembly. FIG. 2 is a rear view of the coaxial cable assembly. FIG. It is a top view of a housing same as the above. It is sectional drawing of a housing same as the above. It is a side view of a housing same as the above. It is a bottom view of a housing same as the above. FIG. 4 is a plan view of the first conductive shell. FIG. 4 is a side view of the first conductive shell. FIG. 3 is a front view of the first conductive shell. FIG. 3 is a bottom view of the first conductive shell. FIG. 6 is a plan view of the second conductive shell. FIG. 3 is a side view of the second conductive shell. FIG. 4 is a front view of the second conductive shell. FIG. 6 is a rear view of the second conductive shell. It is sectional drawing which made the side surface of the 2nd electroconductive shell a partial cross section similarly. FIG. 6 is a plan view of the first terminal. It is a top view of the 2nd terminal same as the above. It is a top view of the other party connector similarly. It is sectional drawing seen from the side of the other party connector. It is sectional drawing which shows the coaxial cable connector and other party connector in a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1; Coaxial cable assembly, 2; Coaxial cable, 3; Ground plate, 4; Core wire, 5; Inner insulation coating, 6: Outer conductor, 7: Outer jacket, 10; Cable connector, 11: Housing, 12; Plate accommodating part, 13; 1st connection piece accommodating part, 14; 1st terminal accommodating part, 15; 1st contact piece engaging hole, 16; 2nd connecting piece accommodating part, 17; 2nd contact piece engaging hole, 18; 2nd terminal accommodating part, 19; 1st electroconductive shell engaging groove, 20; 2nd electroconductive shell engaging groove, 21; 1st fitting recessed part, 21a; 1st fitting convex part, 22; 2 fitting recessed part, 22a; 2nd fitting convex part, 23; 3rd fitting recessed part, 24a; 1st conductive shell engaging part, 24b; 1st conductive shell engaging part, 25; 2nd coaxial cable Receiving portion 35; first conductive shell 36; locking piece 37; housing engaging portion 38a; tongue piece 38b; Tongue, 39a; second coaxial cable support, 39b; second coaxial cable support, 40a; guide, 40b; guide, 42a; housing engaging projection, 41; cable mounting, 41a; convex part, 42b; housing engaging convex part, 45; second conductive shell, 46; gripping part, 47a; tongue piece, 47b; tongue piece, 47c; tongue piece, 48; cut-and-raised piece, 49; Locking portion 50; side wall portion 53; first terminal 54; first connection piece 55; first connection piece 56; first contact piece 58; second terminal 59; second contact piece 60 Second connection piece 63; mating connector 64; first fitting recess 65; second fitting recess 66; first fitting projection 67; second fitting projection 68; third fitting Joint convex part, 69; 1st terminal accommodation groove, 70; 2nd terminal accommodation groove, 71; 1st signal side terminal, 72; 3; contact portion, 75; first locking portion, 76: second signal terminal, 77: second engaging portion, 78; tip, 79; contacts.

Claims (5)

At least two first and second coaxial cable assemblies in which a predetermined number of coaxial cables are bundled in parallel and integrated with a ground plate that contacts an outer conductor of the coaxial cable;
A housing provided with a fitting recess in parallel with a terminal facing the bottom side, and provided with an upper stage and a lower stage by shifting the cable housing part that houses and holds the first and second coaxial cable assemblies on the upper side,
Means for electrically connecting to the ground plate of the first coaxial cable assembly housed and held in the lower cable housing portion, and a space for placing the second coaxial cable assembly on the upper surface; 1 conductive shell;
A second conductive shell comprising means for electrically connecting to a ground plate of the second coaxial cable assembly;
The multipolar coaxial cable connector, wherein the first conductive shell and the second conductive shell are electrically connected directly or are conducted through a conductive member.   2. The space for placing the second coaxial cable assembly of the first conductive shell is provided with a cable placement portion that conducts with the ground plate of the second coaxial cable assembly. The multipolar coaxial cable connector described.   The first conductive shell is attached by being inserted from the rear side of the housing, and the second conductive shell is formed to cover a substantially outer periphery of the housing, and is attached by being inserted from the front direction of the housing. The multipolar coaxial cable connector according to claim 1.   2. The multipolar coaxial cable connector according to claim 1, wherein the means for electrically connecting the first conductive shells connects a tongue piece formed by cutting and bending a plate member to a ground plate. 3. Preparing at least two coaxial cable assemblies generated by bundling a plurality of coaxial cables and electrically connecting outer conductors with a ground plate;
In the housing in which the cable housing portion for housing the coaxial cable assembly is shifted in position and provided in the upper and lower stages, and the fitting recess is provided in parallel with the mating connector at the bottom.
One coaxial cable assembly is attached to the lower cable housing portion, the first conductive shell is inserted so as to sandwich the attached coaxial cable assembly, and coaxial with the tongue piece provided on the first conductive shell. Contact the ground plate of the cable assembly for electrical connection,
Next, another coaxial cable assembly is attached to the upper cable housing portion, and the second conductive shell is inserted so as to cover the upper portion of the attached coaxial cable assembly, and is provided on the second conductive shell. The ground plate of the coaxial cable assembly is brought into contact with and electrically connected to a tongue piece, and at the same time, the ground plate is brought into contact with the convex portion of the first conductive shell to obtain an electrical connection. A connector assembly method.

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