JP2003077595A - Coaxial connector structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coaxial connector structure allowing a shield connector to connect the termination part of a coaxial line to be constructed in a small size and capable of enhancing the reliance upon the connection of the termination part of the coaxial line. SOLUTION: An inner conductor terminal 20 is connected with each conductor 11 at the termination part of the coaxial line 10 while an outer conductor terminal 30 furnished with electrically continuing engagement pieces 33L and 33R is held on the peripheral surface of an outer conductor 13 in such a way as attached pinchedly, and the termination part of the coaxial line 10 is stored in a connector housing 40 so that the inner conductor terminal 20 is stored in a terminal storage chamber formed inside the connector housing 40 and also the engagement pieces 33L and 33R are fitted in fitting recesses 43L and 43R formed at that edge of the connector housing 40 located on the coaxial line 10 inserting side, and an outer conductor shell 50 is mounted on the connector housing 40 where electrically continuing engagement pieces 53L and 53R are fixed pinchedly and connected electrically with the engagement pieces 33L and 33R.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coaxial connector structure, and more specifically, it connects an inner conductor terminal to a core wire end of a coaxial wire, and an outer conductor to an outer conductor provided outside the core wire via an insulator. The present invention relates to a coaxial connector structure in which a terminal portion of a coaxial line on which a terminal is mounted is housed in an insulating connector housing.

[0002]

2. Description of the Related Art Conventionally, as a structure of this type of coaxial line connector (hereinafter referred to as "coaxial connector"), for example, a structure disclosed in Japanese Utility Model Publication No. 4-55428 is known. FIG. 16 shows this coaxial connector structure, and the coaxial wire 200 connected to the connector 210 is shown.
Is a core wire 201 formed by twisting a plurality of strands of copper wire or the like, the outer peripheral surface of which is covered with an insulating inner cover 202 made of a resin material, the outer peripheral surface of which is covered with an outer conductor 203 woven with fine metal wires, Is covered with an insulating jacket 204 also made of a resin material. FIG. 16 shows a state in which the core wire 201, the insulating inner cover 202, and the outer conductor 203 are hierarchically exposed from the end portion of the coaxial wire 200.

On the other hand, as shown in FIG. 16, the connector 210 includes an inner conductor terminal 220 which is conductively connected to the core wire 201, a connector housing 230 which accommodates the inner conductor terminal 220, and the periphery of the connector housing 230. And a cylindrical outer conductor shell 240 which covers the outer conductor 203 and is electrically connected to the outer conductor 203.

Specifically, the terminal portion of the coaxial line is connected to the connector 21.
As a connection procedure to 0, the inner conductor terminal 220 is previously prepared.
Is housed in a terminal housing chamber provided in the connector housing 230, and a core wire barrel (not shown) provided in the inner conductor terminal 220 is sandwiched and held on the outer periphery of the exposed core wire 201, and further provided behind the inner barrel. Inner barrel 2
21L and 221R hold the insulating inner cover 202 in place.

The outer conductor shell 240 has a cylindrical portion 241 mounted on the outer periphery of the connector housing 230 and a braid barrel 242 provided on the rear end side of the shell 240.
L, 242R and the insulating barrels 243L, 243R, the outer conductor 203 and the insulating jacket 2 at the end of the coaxial wire 200.
04 are held together, and the outer conductor 203 and the outer conductor shell 240 are electrically connected. Further, although not shown in FIG. 16, a shield connector is finally configured by covering the outer conductor shell 240 with a connector housing having a lock mechanism for connecting to the counterpart connector.

[0006]

[Problems to be Solved by the Invention] However, this fairness 4
In the connector described in Japanese Patent No. 55428, the insulation jacket shrinks due to stress relaxation over time, and the contact pressure between the braid barrel holding the insulation jacket and the insulation jacket is reduced, resulting in a stable connection of the connector. There was a drawback that it decreased.

Further, since an outer connector housing having a lock mechanism for connecting to the mating connector is required on the outer side of the outer conductor shell, the size of the entire connector becomes large, and electronic equipment in which the connector is frequently used. There is a problem that the wiring part of the wire hinders space saving and increases the number of parts.Furthermore, after accommodating the end part of the coaxial wire in the housing, the braid barrel and the insulation barrel provided in the outer conductor shell are Although the connection stability of the connector connecting portion is maintained by the clinging, there is a drawback in that the connecting process is troublesome and the simplification of the connecting process between the coaxial wire and the connector is hindered.

In order to solve the above problems, the problem to be solved by the present invention is to improve the connection reliability between the coaxial wire and the connector, to reduce the size of the entire connector, and to reduce the number of parts of the connector member. It is intended to simplify the process of connecting the coaxial line and the connector by reducing the number and reduce the number of steps.

[0009]

In order to solve this problem, a coaxial connector structure according to the present invention has an inner conductor terminal connected to a core wire of a coaxial wire as described in claim 1 and further outside of the core wire. A coaxial connector structure in which a terminal portion of a coaxial line in which an outer conductor terminal is attached to an outer conductor provided in an insulator is housed in a connector housing, and a conductive locking piece is provided on an outer surface of the outer conductor terminal. An outer conductor shell is attached to the connector housing, and a holding piece for holding the conductive locking piece is provided at a rear portion of the outer conductor shell, and the outer conductive terminal and the outer terminal are held by holding the conductive locking piece by the holding piece. The gist is that the conductor shell is electrically connected to the conductor shell.

With such a coaxial connector structure, a conductive locking piece is provided on the outer conductor terminal mounted on the outer conductor of the end portion of the coaxial wire housed in the connector housing, and this conductive locking piece is attached to the connector housing. It is held by a holding piece provided on the outer conductor shell to be electrically attached to the outer conductor shell and electrically connects the outer conductor terminal to the outer conductor shell, so that the connection between the coaxial wire and the connector is highly reliable and reliable. It is possible to obtain a good conduction state.

Further, since it is not necessary to mount a housing on the outside of this connector housing, the number of connector members can be reduced, and further, this connector housing is provided with a connection locking mechanism with a mating connector. If so, the connectors can be connected to each other with the minimum size, and the size of the connector can be reduced.

Further, the coaxial connector structure according to claim 2
As described above, a rotation supporting piece that rotatably supports the outer conductor shell is provided on the outer wall surface of the connector housing, while the rotation supporting piece is rotatably fitted on the side wall surface of the outer conductor shell. An insertion hole for supporting is provided, and by inserting a rotation support piece into the insertion hole, the outer conductor terminal is rotatably mounted on the outer wall surface of the connector housing, and by the rotation, the coaxial wire terminal portion accommodated in the connector housing is attached. The outer conductor terminal and the outer conductor shell may be electrically conductively connected to each other by holding the conduction locking piece of the mounted outer conductor terminal with the holding piece.

With such a coaxial connector structure, the rotation support piece provided on the outer wall surface of the connector housing is fitted into the fitting hole provided on the outer wall surface of the outer conductor shell, thereby preliminarily forming the outer conductor shell and the connector housing. Since it can be formed as an assembly, it is easy to handle the connector member, and it is possible to realize simplification of the connecting step of the end portion of the coaxial line and reduction of the number of assembling steps.

Further, the coaxial connector structure is claimed in claim 3.
As described in (4) above, the outer conductor shell is provided with a plug-in insert piece for inserting and inserting into the connector housing, while a plug-in piece for inserting the plug-in insert piece into the rear portion of the connector housing. An outer conductor shell is attached to the connector housing by providing an engaging portion and inserting the insertion insertion piece into the inserting engagement portion, and is also attached to a coaxial wire terminal portion accommodated in the connector housing. The outer conductor terminal and the outer conductor shell may be electrically conductively connected to each other by sandwiching the conduction locking piece of the outer conductor terminal with the insertion insertion piece.

With such a coaxial connector structure, after the end portion of the coaxial wire is housed in the connector housing,
Since the outer conductor shell is inserted into the insertion piece provided in the connector housing and the outer conductor terminal that is held by the outer conductor of the end portion of the coaxial line is locked and fixed, the end of the coaxial line is fixed. It is possible to prevent the portion from falling out of the connector housing and improve the reliability of connection.

Further, it is preferable that the conductive locking piece constituting the coaxial connector is provided at the end edge of the outer conductor terminal on the terminal side as described in claim 4. If the conductive locking piece is thus provided at the end edge of the outer conductor terminal on the terminal side, the conductive locking piece is locked at the edge of the connector housing. The volume of the terminal portion of the wire is reduced, and as a result, it is possible to reduce the size of the connector housing and the shield connector as a whole.

Further, in the outer conductor terminal which is a member forming the coaxial connector, as described in claim 5, the outer conductor terminal is provided with a peripheral surface of an insulating jacket which covers an outer periphery of the outer conductor. It is desirable that an insulating barrel for holding the cling is integrally provided. If it has such a configuration,
The fixing force of the outer conductor terminal to the end portion of the coaxial wire is increased, and as a result, the connection stability of the end portion of the coaxial wire to the shield connector can be enhanced.

Further, the inner conductor terminal which is a member constituting the coaxial connector is, as described in claim 6, a female terminal in which the inner conductor terminal is provided with a cylindrical portion having an open end. Alternatively, a male terminal having an outer diameter substantially equal to the inner diameter of the cylindrical portion of the female terminal and provided with a cylindrical terminal connecting portion formed of a convex tip portion fitted and connected in the cylindrical portion Either one is desirable. In this way, if the inner conductor terminal is a female or male terminal having a substantially cylindrical shape, even if twisting in the circumferential direction occurs, it can be smoothly accommodated in the housing, and also The connection with the inner conductor terminal of the counterpart (male or female) having a cylindrical shape can be easily performed.

[0019]

BEST MODE FOR CARRYING OUT THE INVENTION A coaxial connector structure according to an embodiment of the present invention, that is, a connector connection structure for a coaxial wire will be described in detail below with reference to the drawings.

(Embodiment 1) First, FIG. 1 shows the first embodiment of the present invention.
The connector structure in Example is shown, and as shown in FIG. 1, the female inner conductor terminal 20 connected to the terminal part of the coaxial wire 10 and the metal outer conductor terminal similarly connected to the terminal part. 30, the inner conductor terminal 20 and the outer conductor terminal 3
It is composed of a resin-made connector housing 40 that accommodates 0, and an outer conductor shell 50 that covers the periphery of the connector housing 40 and is electrically connected to the outer conductor terminal 30.

In the coaxial wire 10 used in this embodiment, a core wire 11 formed by bundling a plurality of copper wires is covered with an insulating inner cover 12 made of an insulating resin material, and a fine metal wire is knitted around the core wire 11. The outer conductor 13 is covered with the outer conductor 13 and the outer periphery thereof is covered with an insulating jacket 14 made of the same insulating resin material.

Also, in this embodiment, the coaxial connector is for a female connector, the inner conductor terminal 20 is of a cylindrical female type, and the mating male terminal is inserted into the tip edge of the cylindrical portion 21. And a pair of left and right cutouts 23L, 2 in the cylindrical direction.
3R is formed, and the upper and lower semi-cylindrical portions of the cylindrical portion 21 sandwiching the notches 23L and 23R are slightly plastically deformed and compressed so that the interval between the tip ends thereof is narrowed. This is to increase the pinching force of the terminal when the male terminal is inserted. On the other hand, on the base end side of the inner conductor terminal 20, a pair of core barrels 24L, 24R for holding the exposed core 11 of the coaxial wire 10 in a fixed manner is provided.

The outer conductor terminal 30 has a substantially U-shaped cross section, and has a pair of braid barrels 31L and 31R for holding the exposed outer conductor 13 at the end of the coaxial wire 10 in a sandwiched manner, and an insulating jacket 14. Is formed with a pair of insulating barrels 32L, 32R for holding and holding the peripheral surface thereof, and two conductive sheets for electrically connecting to the outer conductor shell 50 are provided at the end edges of the insulating barrels 32L, 32R. Locking pieces 33L, 33R are provided vertically outward with respect to the coaxial axis.

The connector housing 40 is shown in FIGS.
As shown in, the end face 41 on the side where the coaxial wire 10 is inserted is provided with a circular coaxial wire insertion opening 42 having an inner diameter dimension that matches the outer diameter dimension of the end portion of the substantially coaxial wire 10, and On this end face 41, a conductive locking piece 33 provided on the outer conductor terminal 30 is provided at the opening edge of the coaxial wire insertion port 42.
Locking piece fitting recesses 43L, 4 for fitting L, 33R
3R is formed. The locking piece fitting recess 43
The depths of L and 43R are the same as the engaging engagement pieces 33L and 33R.
It is formed to have a thickness substantially equal to or smaller than the plate thickness of R.

On the other hand, as shown in FIG. 2B, the connection side end face 44 is provided with a terminal insertion port 45 for inserting the mating male terminal. Further, as shown in FIGS. 2A and 2B, fitting protrusions 47, 47 for fitting into fitting holes 53, 53 provided in an outer conductor shell 50 described later are provided on both left and right wall surfaces. It is provided. Since the outer conductor shell 50 is mounted on the outer sides of the housing 40 including both wall surfaces, the width corresponding to the thickness of the outer conductor shell 50 is larger than the width of the connection side end surface 44 on the edge side. Is also designed to be small.

Also, guide grooves 46, 46 for engaging a mating connector housing for male terminals, which will be described later, are provided on the upper surface of the connector housing 40. Further, similarly, on the upper surface portion, a connection engagement piece 48 for connecting and engaging with the mating connector housing is provided. Furthermore, a terminal accommodating chamber 49 for accommodating the terminal portion of the coaxial line 10 is provided (see FIG. 8).

The outer conductor shell 50 is provided with two standing side wall plates 52, 52 on both left and right sides of a bottom plate 51, and the both side wall plates 52, 52 are fitted with the fitting projections 4 of the connector housing 40.
Rectangular fitting holes 53, 53 for fitting with 7 are provided. The outer conductor shell 50 has one end edge formed vertically inward with respect to both side wall plates 52, 52, and holding pieces 54L, 54R for conducting with the conductive engagement pieces 33L, 33R provided on the outer conductor terminal 30. Is provided. On the other hand, the bottom plate 51 on the side opposite to the side on which the holding pieces 54L and 54R are formed.
A notch 55 for fitting a mating shield connector, which will be described later, is formed at the edge of the.

When connecting the end portion of the coaxial wire 10 to the shield connector, first, the core wire barrel 24 of the inner conductor terminal 20 is connected to the exposed core wire 11 of the end portion of the coaxial wire 10.
The core wire 11 and the inner conductor terminal 20 are electrically connected by holding the L and 24R in place. Next, the braid barrels 31L and 31R and the insulating barrels 32L and 32R that form the outer conductor terminal 30.
Are held on the outer periphery of the exposed outer conductor 13 of the coaxial wire 10 and the outer circumference of the insulating jacket 14, respectively.
Assembly of the terminal part of is done.

The coaxial cable 1 assembled in this way
0 terminal portion, the inner conductor terminal 20 and the outer conductor terminal 3
The terminal portion including 0 is inserted from the coaxial wire insertion port 42 of the connector housing 40 and accommodated in the housing 40. At this time, the conductive locking pieces 33L, 33R provided on the rear end side of the outer conductor terminal 30 are fitted into the locking piece fitting recesses 43L, 43R provided on the end surface 41 of the housing 40, and further coaxial At the same time as the insertion of the end portion of the wire 10 is locked, the coaxial wire 10 is restricted from rotating in a plane orthogonal to the axis.

Next, holding this state, the outer conductor shell 50 is mounted from the bottom side of the connector housing 40.
At this time, the fitting protrusions 47, 47 provided on both side wall surfaces of the connector housing 40 are attached to the both side wall plates 5 of the outer conductor shell 50.
The fitting holes 53, 53 provided in the Nos. 2, 52 are fitted together, and the conductive locking pieces 33L, 33R are held by the holding pieces 54L, 5L.
The outer conductor 13 of the coaxial wire 10 and the outer conductor shell 50 are electrically connected to each other via the outer conductor terminal 30. Also, the fitting protrusion 4
The coaxial wire 10 is formed by the engagement of the fitting holes 7, 47 with the fitting holes 53, 53.
Even if the cable is pulled, the conductive locking pieces 33L and 33R are held by the holding piece 5.
It is firmly held by the 4L and 54R, and the careless removal thereof is avoided.

As described above, the engaging piece fitting recess 43 is formed.
The depths of L and 43R are the same as the engaging engagement pieces 33L and 3L.
Since the plate is formed to have a thickness substantially equal to or shallower than the plate thickness of 3R, the conductive locking pieces 33L, 3L which are fitted and locked.
3R is at the same height as the end surface 41 on the coaxial line side of the housing 40, or slightly protrudes from the end surface 41, and the conductive locking pieces 33L and 33R are sandwiched and fixed by the sandwiching pieces 54L and 54R of the outer conductor shell 50. This reliably prevents the terminal portion of the coaxial line 10 from being pulled out from the shield connector, and the conductive locking pieces 33L and 33R and the holding piece 5 are held.
The reliable electrical connection with 4L and 54R is guaranteed.

Further, as shown in FIGS. 4 and 5, the conductive locking pieces 33L, 33R provided on the outer conductor terminal 30 may be provided at the end edges of the braid barrels 31L, 31R on the end side of the coaxial wire 10. For example, since the accommodation space of the end portion of the coaxial wire 10 accommodated in the connector housing 40 is reduced, the size of the connector housing 40 and the outer conductor shell 50 mounted on the outer side thereof can be reduced. The structure of each connector member and the assembling procedure thereof are the same as those described above, and will not be described.

(Embodiment 2) Next, a second embodiment of the present invention is applied to a male connector, in which a terminal portion of a coaxial wire 10 having a male terminal is accommodated and connected to the connector. Will be described with reference to FIGS. 6 and 7. This shielded connector includes a male inner conductor terminal 60 connected to the terminal portion of the coaxial line 10, a metal outer conductor terminal 30 also connected to the terminal portion, and the male inner conductor terminal 60.
And a resin-made connector housing 70 for accommodating the outer conductor terminal 30, and an outer conductor shell 80 which covers the periphery of the connector housing 40 and is electrically connected to the outer conductor terminal 30. Hereinafter, each connector member will be described. Since the outer conductor terminal 30 and the coaxial wire 10 are the same as those in the first embodiment, the description of the configuration will be omitted.

The inner conductor terminal 60 is a male terminal having a cylindrical shape, and the distal end side of the cylindrical portion 61 has a mating female terminal 20.
A convex terminal connecting portion 62 is provided to be inserted into the insertion port 22 of the female terminal, and the outer diameter of the terminal connecting portion 62 is substantially equal to the inner diameter of the cylindrical portion 21 of the female inner conductor terminal 20. Have On the other hand, on the rear end side, a pair of core wire barrels 6 for holding the exposed core wire 11 of the coaxial wire 10 in place.
3L and 63R are provided.

As shown in FIG. 6, the connector housing 70 has a circular coaxial wire insertion opening 72 on the end surface 71 on the coaxial wire 10 side, which has an inner diameter that matches the outer diameter of the end of the coaxial wire 10. And the outer conductor terminal 3 is provided at the opening edge of the coaxial wire insertion port 72 on the end face 71.
Locking piece fitting recesses 73L and 73R for fitting the conductive locking pieces 33L and 33R provided in 0 are formed.
The depths of the locking piece fitting recesses 73L, 73R are formed to be substantially equal to or shallower than the plate thickness of the conductive locking pieces 33L, 33R to be fitted.

On the other hand, as shown in FIG. 6B, a terminal insertion hole 75 for inserting the terminal connection portion 62 of the male inner conductor terminal 60 housed in the housing 70 is formed in the terminal connection surface 74. It is provided. Fitting protrusions 77, 77 for fitting into fitting holes 83, 83 provided in an outer conductor shell 80 described later are provided on both left and right wall surfaces. The outer periphery of the housing 70 including both wall surfaces has the outer conductor shell 80 mounted on the outer sides of the both wall surfaces, so that the outer conductor shell 80 has a width corresponding to the plate thickness of the outer conductor shell 80 rather than the width dimension of the edge portion on the connection side. It is designed to be small.

Further, guide rails 76, 76 for engaging with the guide grooves 46, 46 provided in the housing 40 for the female terminal 20 are provided at the connection side edge portion of the connector housing 70. ing. Further, a terminal accommodating chamber 79 for accommodating the terminal portion of the coaxial wire 10 is provided in the housing 70 (see FIG. 8).

The outer conductor shell 80, as shown in FIG.
Two standing side wall plates 82, 82 on the left and right sides of the bottom plate 81.
The two side wall plates 82, 82 are provided with rectangular fitting holes 83, 83 for fitting in the fitting protrusions 77, 77 of the connector housing 70, and one end edge of the both side wall plates 82, 82. Holding pieces 84L, 84R are formed vertically inward with respect to 82, 82 and are electrically connected to the conductive locking pieces 33L, 33R provided on the outer conductor terminal 30. On the other hand, a fitting piece 85 for fitting into the notch 55 provided in the outer conductor shell 50 of the mating shield connector is provided on the bottom surface 82 on the edge side opposite to the side where the holding pieces 84L and 84R are formed.
Are formed.

When connecting the end portion of the coaxial wire 10 to the shield connector, first, the core wire barrel 62 of the inner conductor terminal 60 is connected to the exposed core wire 11 of the end portion of the coaxial wire 10.
The core wire 11 and the inner conductor terminal 60 are electrically connected by holding the L and 62R together. Next, the braid barrels 31L and 31R and the insulating barrels 32L and 32R that form the outer conductor terminal 30.
Are held on the outer periphery of the exposed outer conductor 13 of the coaxial wire 10 and the outer circumference of the insulating jacket 14, respectively.
Assembly of the terminal part of is done.

Regarding the end portion of the coaxial wire 10, the end portion including the inner conductor terminal 60 and the outer conductor terminal 30 is inserted from the coaxial wire insertion port 72 of the connector housing 70 and accommodated in the housing 70. At this time, the conductive locking pieces 33L, 33R provided on the rear end side of the outer conductor terminal 30 are locked with the locking piece fitting recesses 73L, 7L provided on the end surface 71 of the housing 70.
3R is fitted and the insertion of the further end portion of the coaxial wire 10 is locked, and at the same time, the coaxial wire 10 is restricted from rotating in a plane orthogonal to the axis.

Next, holding this state, the outer conductor shell 80 is mounted from the bottom side of the connector housing 70.
At this time, the fitting projections 77, 77 provided on both side wall portions of the connector housing 70 are attached to the both side wall plates 8 of the outer conductor shell 80.
The fitting holes 83, 83 provided in the Nos. 2 and 82 are fitted, and the conductive locking pieces 33L, 33R are held by the holding pieces 84L, 8L.
The outer conductor 13 of the coaxial wire 10 and the outer conductor shell 80 are electrically connected to each other via the outer conductor terminal 30. Also, the fitting protrusion 7
The coaxial wire 10 is formed by the engagement between the fitting holes 7, 77 and the fitting holes 83, 83.
Even if is pulled, the conduction locking pieces 33L and 33R are held by the holding piece 8
It is firmly held by the 4L and 84R, and the careless removal thereof is avoided.

As described above, the engaging piece fitting recess 73
The depths of L and 73R are the same as the engaging engagement pieces 33L and 3L.
Since the plate is formed to have a thickness substantially equal to or shallower than the plate thickness of 3R, the conductive locking pieces 33L, 3L which are fitted and locked.
3R has the same height as the end surface 71 of the housing 70 on the coaxial line 10 side or slightly protrudes from the end surface 71, so that the holding pieces 84L, 84R of the outer conductor shell 80 are provided.
By sandwiching and fixing the conductive locking pieces 33L and 33R by the above, the disconnection of the end portion of the coaxial line 10 from the shield connector is reliably prevented, and the conductive locking pieces 33L and 33R and the holding pieces 84L and 84R are securely held. The electrical continuity is guaranteed.

8 and 9A and 9B are cross-sectional views before and after the connection between the shield connector for the male terminal of the second embodiment and the shield connector for the female terminal of the first embodiment described above. The structure is shown, and FIG. 10 is a perspective view after the both shield connectors are connected. Here, FIG. 8 is a cross-sectional view of each shield connector, and FIGS. 9A and 9B are vertical cross-sectional views of each shield connector.

The shield connectors are connected to each other by the terminal connecting portion 6 provided at the tip of the male inner conductor terminal 60 accommodated in the terminal accommodating chamber 79 of the male terminal shield connector.
2 is inserted through the terminal insertion port 45 of the mating female terminal shield connector and is inserted and connected to the connection insertion port 22 of the female inner conductor terminal 20 that is also accommodated in the terminal accommodating chamber 49. It

At the time of this connection, as shown in FIG.
The guide rails 76, 76 provided in the connector housing 70 for male terminals are engaged with the guide grooves 46, 46 provided in the connector housing 40 for female terminals on the mating side to connect the shielded connectors. Can be done smoothly.

Further, as shown in FIGS. 9A and 9B, a fitting piece 85 formed on the outer conductor shell 80 for the male terminal.
Is engaged with an engagement notch 55 formed in the outer conductor shell 50 for female terminals, and the connection engagement protrusion 48a of the connection engagement piece 48 provided above the housing 40 of the shield connector for female terminals. By engaging with the end edge portion of the connection engagement piece accommodating portion 78, a sufficient connection force between the connectors is ensured, and disconnection is reliably prevented.

(Embodiment 3) A shield connector of the present embodiment will be described with reference to FIGS. 11 and 12. This shielded connector is composed of a connector housing 90 that accommodates and connects the end portion of the coaxial wire 10, and a metal outer conductor shell 100 that is mounted on the outside of the resin connector housing 90. This shielded connector
As in the first embodiment, the female type inner conductor terminal 20 and the outer conductor terminal 30 are connected and the end portion of the coaxial wire 10 is inserted and connected. Therefore, the description of the configuration of the terminal portion of the coaxial cable 10 will be omitted here. The configuration of each connector member will be described below.

The connector housing 90 is provided with a circular coaxial wire insertion port 92 having an inner diameter dimension that substantially matches the outer diameter dimension of the end portion of the coaxial wire 10 on the end surface 91 on the coaxial wire 10 side. The outer conductor terminal 30 is provided at the opening edge.
Locking piece fitting recesses 93L, 93R for fitting the conductive locking pieces 33L, 33R provided in the.
The depths of the locking piece fitting recesses 93L and 93R are formed to be substantially equal to or shallower than the plate thickness of the conductive locking pieces 33L and 33R to be fitted. Further, shell engaging portions 94, 94 for engaging holding pieces 105L, 105R provided on an outer conductor shell 100 described later are formed on both sides of the end surface 91.

Further, on both wall surfaces of the housing 90, side fitting holes 10 provided in an outer conductor shell 100 described later are provided.
Fitting projections 95, 95 for fitting into the outer conductor shells 3, 103 are provided. Further, the outer conductor shells are fitted in the fitting holes 104, 104 also provided in the outer conductor shell 100 on both wall surfaces. Cylindrical rotation support pieces 96, 96 for allowing 100 to rotate freely with respect to the housing 90 are provided in a protruding manner.

On the upper surface of the connector housing 90, a connection engagement piece 97 (not shown) for connecting and engaging a mating connector housing for male terminals is provided. Further, although not shown, the connector housing 90 is provided with a terminal accommodating chamber for accommodating the terminal portion of the coaxial wire 10.

The outer conductor shell 100 is provided with two standing side wall surfaces 102, 102 on both left and right sides of a bottom plate 101, and the side wall surfaces 102, 102 have a connector housing 90.
Rectangular fitting holes 103, 103 for fitting with the fitting projections 95, 95 of the connector housing 90 are also provided on the side wall surfaces.
Fitting holes 104,1 for rotatably fitting 6,96
04 is formed. Further, one end edge of the outer conductor shell 100 is formed vertically inward with respect to the side wall surfaces 102, 102, and the shell engaging portions 94, 94 of the connector housing 90.
And a holding piece 105 that engages with the conductive locking pieces 33L and 33R provided on the outer conductor terminal 30.
L and 105R are provided.

The process of connecting the end portion of the coaxial wire 10 to the shield connector composed of the above connector members will be described below. First, by inserting the rotation support pieces 96, 96 provided on both side surfaces of the connector housing 90 into the insertion holes 104, 104 provided on both side wall surfaces 101, 101 of the outer conductor shell 100, the outer conductor shell 1 is formed.
00 to the connector housing 90 to form the assembly.

As shown in FIG. 12, this assembly includes rotary support pieces 96, 96 provided on the connector housing 90.
The outer conductor shell 100 is rotatable around the fulcrum as a fulcrum, and when the end portion of the coaxial wire 10 is inserted and connected, this assembly, as shown in FIG. The holding pieces 105L and 105R are held in a state where they are not engaged with the shell engaging portions 94 of the connector housing 90.

The end portion of the coaxial wire 10 connecting the female inner conductor terminal 20 and the outer conductor terminal 30 is inserted from the coaxial wire insertion opening 92 of the connector housing 90 to form the inner conductor terminal 2
0 is accommodated in the terminal accommodating chamber in the housing 90, and the conduction locking piece 3 is provided on the rear end side of the outer conductor terminal 30.
3L and 33R are fitted into locking piece fitting recesses 93L and 93R provided on the end surface 91 of the housing 90, and lock the further insertion of the end portion of the coaxial wire 10.

Next, while maintaining this state, the outer conductor shell 100 is rotated about the rotation supporting pieces 96, 96 as a fulcrum, and the fitting projections 95, 95 of the connector housing 90 are fitted to the outer conductor shell 100. The holes 103, 103 are fitted, and the holding pieces 105L, 105R are engaged with the shell engaging portions 94, 94 on the housing 90 side. At this time, the conductive locking pieces 33L, 33R are clamped and fixed by the sandwiching pieces 105L, 105R, whereby the outer conductor 13 of the coaxial wire 10 and the outer conductor shell 90 are electrically connected via the outer conductor terminal 30. Connected. Further, even if the coaxial wire 10 is pulled by the engagement between the fitting protrusions 95, 95 and the fitting holes 103, 103, the conduction locking pieces 33L, 33R are held by the holding pieces 105L,
It is firmly held by 105R, and the careless removal thereof is avoided.

As described above, the engaging piece fitting recess 93
The depths of L and 93R are the same as the engaging engagement pieces 33L and 3L.
Since it is formed to have a thickness substantially equal to or smaller than the plate thickness of 3R, the conductive locking pieces 33L and 33R fitted and locked in the above state are the end surface 91 of the housing 90 on the coaxial line 10 side. Since it is at the same height as or slightly protruding from the end surface 91, the holding piece 1 of the outer conductor shell 90 is
By sandwiching and fixing the conductive locking pieces 33L, 33R by the 05L, 105R, the terminal portion of the coaxial wire 10 is reliably prevented from being pulled out, and the conductive locking pieces 33L, 33R and the holding piece 1 are secured.
The reliable electrical connection with 05L and 105R is guaranteed.

(Embodiment 4) The shield connector of the present embodiment will be described with reference to FIGS. This shielded connector includes a resin-made connector housing 110 for accommodating and connecting the end portion of the coaxial wire 10, and a metallic outer conductor shell 120 mounted on the insertion end side of the end portion of the coaxial wire 10 of the connector housing 110. Composed of. This shielded connector is to insert and connect the end portion of the coaxial line 10 to which the male inner conductor terminal 60 and the outer conductor terminal 30 are connected, as in the second embodiment. Therefore, the description of the configuration of the terminal portion of the coaxial cable 10 will be omitted here.

The connector housing 110 used in this embodiment has a substantially coaxial wire 10 on the end face 111 on the coaxial wire 10 side.
Is provided with a circular coaxial wire insertion port 112 having an inner diameter dimension matching the outer diameter dimension of the terminal portion, and a conductive locking piece 33L provided on the outer conductor terminal 30 is provided at the opening edge. Locking piece fitting recess 113 for fitting 33R
L and 113R are formed. The depths of the locking piece fitting recesses 113L and 113R are the same as those of the fitted conductive locking piece 3.
It is formed to have a thickness substantially equal to or shallower than the plate thickness of 3L and 33R.

Further, the end face 111 is provided with a plug engaging portion 114 for inserting and engaging an outer conductor shell 120, which will be described later, into the plug engaging portion 114. Guide rail 11 for smooth insertion and insertion
5L and 115R are formed to face inward via the insertion port 116.

Further, the guide rails 115L, 11
5R has a conductive locking piece 3 at the end of the coaxial wire 10 to be inserted.
Rectangular housing-side locking piece insertion notches 117L and 117R for inserting 3L and 33R are formed. The notches 117L and 117R for inserting the locking pieces are
It is positioned so as to overlap with the locking piece fitting recesses 113L and 113R provided on the end surface 111 on the coaxial line 10 side.

Further, the end face 111 is provided with an engaging projection 118 for engaging the outer conductor shell 120. The bottom surface 119 of the connector housing 110 is
Is at a position lower than the connection side edge by the thickness of the bottom plate 122 of the outer conductor shell 120 to be mounted.

The outer conductor shell 120 includes a plug insertion piece 121.
The connector housing 1 has a substantially L-shaped structure including a bottom part 122 and a bottom part 122.
10 is inserted and inserted from the insertion port 116 of the insertion engagement portion 114 of the guide rails 115L and 115R, and is attached to the housing 110.

The plug-in insert piece 121 includes the plug-in insert piece 1
A coaxial wire insertion hole 123 is provided for inserting the end portion of the coaxial wire 10 when inserting the coaxial wire 21.
3 is a conductive locking piece 33 that constitutes the end of the coaxial wire 10.
Rectangular locking piece insertion cutouts 124L and 124R for inserting L and 33R are formed. Similarly, the insertion side end edge of the insertion hole 123 is provided with a notch 125 for facilitating the engagement of the insertion hole 123 with the engaging projection of the housing 110. Further, a connector engaging piece 126 for engaging a mating shield connector (not shown) is formed on the end edge side of the bottom surface portion 122.

When connecting the end portion of the shielded wire 10 to the shield connector used in this embodiment, first, the outer side is guided from the shell insertion port 116 of the insertion engagement portion 114 along the guide rails 115L and 115R. Conductor shell 1
20 of the plug-in insertion pieces 121 are inserted to form notches 117L, 117R and 124L, 124 for inserting the locking pieces on the connector housing 110 side and the outer conductor shell 120 side, respectively.
Hold R in a state where they overlap each other (FIG. 14).
(B)).

In this state, at the end portion of the coaxial wire 10, the conductive locking pieces 33L and 33R are provided with the respective locking piece insertion notches 11 on the housing 110 side and the outer conductor shell 120 side.
7L, 117R and 124L, 124R are inserted and inserted from the coaxial wire insertion port 112 of the connector housing 110 to accommodate the inner conductor terminal 60 in the terminal accommodation chamber in the housing 110 and the rear end of the outer conductor terminal 30. The conductive locking pieces 33L and 33R provided on the side of the housing 4 are
Locking piece fitting recess 113L provided on the end surface 111 of 0,
It is fitted to 113R to lock the insertion of the end portion of the coaxial line 10 beyond that.

Next, from this state, the insertion insert piece 121 of the outer conductor shell 120 is further inserted into the guide rails 115L and 11L.
The outer conductor shell 120 is mounted and fixed to the housing 110 by inserting along the 5R and engaging the insertion side of the coaxial wire insertion hole 123 with the engaging projection 118 provided on the housing 110 (see FIG. 14 (c)). At this time, as shown in the cross section of the shielded connector after connection in FIG. 15, the conductive locking pieces 33L and 33R are the insertion insertion pieces 1 of the outer conductor shell 120.
The outer conductor 13 of the coaxial wire 10 and the outer conductor shell 120 are electrically connected to each other via the outer conductor terminal 30.

Incidentally, as described above, the engaging piece fitting recess 113
The depths of L and 113R are as follows:
Since it is formed to have a thickness substantially equal to or shallower than the plate thickness of 33R, the conductive locking piece 33L fitted and locked,
33R is an end surface 11 of the housing 110 on the coaxial line 10 side.
1 is at the same height as or slightly out of the end surface 111, and the insertion piece 12 of the outer conductor shell 110
By sandwiching and fixing the conductive locking pieces 33L and 33R by means of 1, it is possible to reliably prevent the terminal portion of the coaxial wire 10 from being pulled out, and to ensure a reliable electrical connection between the outer conductor 13 and the outer conductor shell 120. (Fig. 15).

The present invention is not limited to the above-mentioned embodiments, and various modifications can be made without departing from the spirit of the present invention. For example, a technique capable of reducing the size of the shield connector by providing the conductive locking piece provided on the outer conductor terminal on the end edge of the braided barrel, which is shown in the first embodiment, is described in other embodiments. Four
It goes without saying that it can also be used in the case of the shielded connector shown in FIG.

Further, as in the above-mentioned embodiment, this conduction locking piece does not have to be provided at the edge portion of the outer conductor terminal, and the outer conductor and the outer conductor shell are electrically connected via this outer conductor terminal. The conductive locking piece may be of a type provided on the side surface portion of the outer conductor terminal as long as it is electrically conductively connected.

Further, in the above embodiment, the inner conductor terminal is a cylindrical terminal because of its ease of connection.
The present invention is not limited to this, and it may be a rectangular shape, and as a means for connecting the exposed core wire end portion, in the present application, a core wire barrel is provided, and the core wire barrel is held by this to perform the connection. However, a press-contact blade is provided behind the inner conductor terminal, while the end portion of the coaxial wire does not expose the core wire, and the insulating inner cover is cut by this press-contact blade to electrically connect the core wire and the inner conductor terminal. It doesn't matter.

[0071]

According to the shielded connector of the present invention, the end portion of the coaxial line is formed by connecting the inner conductor terminal to the core wire and mounting the outer conductor terminal provided with the conductive locking piece on the outer conductor. The outer conductor shell is housed in the housing, the outer conductor shell is mounted on the connector housing, and the conducting locking piece is clamped and fixed by the holding piece provided at the rear portion of the outer conductor shell and electrically connected to the conducting locking piece. Compared to a conventional shielded connector, the outer circumference of the connector housing is covered with an outer conductor shell, and a connector housing equipped with a connection / locking mechanism with the mating shielded connector is attached to the outside of the outer conductor shell. Thus, it is possible to reduce the size of the entire shield connector.

Further, with such a coaxial connector structure, a conductive locking piece is provided on the outer conductor terminal mounted on the outer conductor of the end portion of the coaxial wire housed in the connector housing, and this conductive locking piece is provided. Since it is held by a holding piece provided on the outer conductor shell attached to the connector housing, the outer conductor shell and the outer conductor terminal are electrically conducted,
The connection reliability of the connecting portion between the coaxial wire and the connector is high, and a reliable conduction state can be obtained.

Further, the shield connector has a rotation support piece protrudingly provided on the outer wall surface of the connector housing for rotationally supporting the outer conductor shell, while the side wall surface of the outer conductor shell rotatably supports the rotation support piece. Since the outer conductor terminal is rotatably mounted on the outer wall surface of the connector housing by providing a fitting hole for fitting and supporting and inserting the rotation support piece into the fitting hole, the outer conductor shell and the connector housing are previously arranged. Since it can be formed as an assembly, the connector member can be easily handled, and the connection process of the end portion of the coaxial line can be simplified and the number of assembling steps can be reduced.

Further, in the shielded connector, the outer conductor shell is provided with a plug-in insert piece for inserting and inserting into the connector housing, while the plug-in engaging portion for inserting and inserting the plug-in insert piece into the rear portion of the connector housing. The outer conductor shell is mounted on the connector housing by inserting and inserting the insertion insertion piece into the insertion engaging portion, and the outer conductor terminal is mounted on the coaxial wire terminal portion housed in the connector housing. If the outer conductor terminal and the outer conductor shell are electrically conductively connected by sandwiching the conductive locking piece of the insert insertion piece, it is possible to prevent the end portion of the coaxial wire from falling off from the connector housing. The connection can be made more reliable.

Further, in the shielded connector according to the present invention, if the conductive locking piece is provided at the end edge of the outer conductor terminal, the conductive locking piece is locked at the edge of the connector housing. Therefore, the volume of the end portion of the coaxial wire accommodated in the connector housing is reduced, and as a result, the connector housing and the shielded connector as a whole can be downsized, which is a unique effect of the present application.

Further, if the outer conductor terminal provided with this conductive locking piece is integrally provided with an insulating barrel for holding the peripheral surface of the insulating jacket of the coaxial wire, the coaxial wire and the connector can be connected. The connection reliability is further improved.

Further, the inner conductor terminal connected to the core wire of the coaxial wire is a female terminal provided with a cylindrical portion having an opening at the tip end, or an outer diameter substantially equal to the inner diameter of the cylindrical portion of the female terminal. Any of the male terminals having a cylindrical terminal connecting portion having a diameter and having a convex tip end portion that is fitted and connected in the cylindrical portion can be smoothly accommodated in the housing. In addition, it is possible to easily connect to the other side (male or female) inner conductor terminal having a cylindrical shape, which simplifies and shortens the process of terminating the coaxial line and connecting to the connector. It becomes possible to realize time reduction.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a shield connector according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing an external appearance of a connector housing that constitutes the shielded connector shown in FIG.

FIG. 3 is a perspective view showing a state in which an outer conductor shell is attached to a connector housing to which a coaxial cable end portion is connected,
(A) shows a state before connection, and (b) shows a state after connection.

FIG. 4 is a perspective view showing a state in which a terminal portion of a coaxial wire to which an outer conductor terminal provided with a conductive locking piece on an end edge of a braided barrel is connected is accommodated in a connector housing.

5 is a perspective view showing a state in which an outer conductor shell is attached to a connector housing accommodating the end portion of the coaxial line shown in FIG. 4, (a) before connection and (b) after connection. It shows the state of.

FIG. 6 is a perspective view showing an external appearance of a connector housing that constitutes a shielded connector according to a second embodiment of the present invention.

7 is a perspective view showing a state in which a coaxial cable end portion is connected to the connector housing shown in FIG. 6 and an outer conductor shell is attached.

FIG. 8 is a cross-sectional view showing a shield connector for female terminals and a shield connector for male terminals.

9 is a vertical cross-sectional view showing a connection state between the female terminal shield connector and the male terminal shield connector shown in FIG. 8, where (a) is before connection and (b) is after connection. It shows the state of.

FIG. 10 is a perspective view showing a state in which a shield connector for female terminals and a shield connector for male terminals are obtained and connected.

FIG. 11 is a perspective view showing appearances of a connector housing and an outer conductor shell that form a shielded connector according to a third embodiment of the present invention.

12 is a perspective view showing a state in which a coaxial connector end portion is accommodated in a shielded connector in which an outer conductor shell is attached to the connector housing shown in FIG. 11, and FIG. FIG. 3B shows a state in which the end portion of the coaxial wire is locked / fixed by a holding piece provided on the outer conductor shell.

FIG. 13 is a perspective view showing appearances of a connector housing and an outer conductor shell which form a shielded connector according to a third embodiment of the present invention.

14A to 14C are perspective views showing a process of connecting a terminal portion of a coaxial line to the shield connector shown in FIG.

15 is a cross-sectional view showing a state in which the end portion of the coaxial line shown in FIG. 14 is housed / connected to a shield connector.

FIG. 16 is a perspective view showing a connection state between a conventionally commonly used shield connector and a terminal portion of a shielded cable.

[Explanation of symbols]

10 Shielded Cable 11 Core Wire 13 Outer Conductor 20, 60 Inner Conductor Terminal 30 Outer Conductor Terminal 31L, 31R Braided Barrel 33L, 33R Conductive Locking Piece 40, 70, 90, 110 Connector Housing 50, 80, 100, 120 Outer Conductor Shell 54L , 54R, 84L, 84R, 105L, 105R
Clamping piece 114 Inserting engagement part 121 Inserting piece

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Nobuaki Kojima             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. F-term (reference) 5E021 FA02 FA09 FA14 FA16 FA20                       FB11 FB14 FC03 FC32 LA10                       LA15 LA21                 5E087 EE08 FF04 FF07 FF13 FF18                       HH01 HH04 MM06 QQ01 RR03                       RR06 RR25 RR29

Claims (6)

[Claims] 1. A coaxial connector in which a connector housing accommodates a coaxial wire terminal portion in which an inner conductor terminal is connected to a core wire of a coaxial wire, and an outer conductor terminal is attached to an outer conductor provided outside the core wire via an insulator. In the structure, a conduction locking piece is provided on an outer surface of the outer conductor terminal, an outer conductor shell is mounted on the connector housing, and a holding piece for holding the conduction locking piece is provided at a rear portion of the outer conductor shell. A coaxial connector structure, characterized in that the outer conductor terminal and the outer conductor shell are electrically connected to each other by holding the conducting locking piece by the holding piece. 2. A rotation support piece for rotatably supporting the outer conductor shell is projectingly provided on an outer wall surface of the connector housing,
On the other hand, the side wall surface of the outer conductor shell is provided with a fitting hole for rotatably fitting and supporting the rotation support piece, and the rotation support piece is fitted into the fitting hole to rotate the outer conductor terminal to the outer wall surface of the connector housing. The outer conductor terminal and the outer conductor shell are freely attached, and the outer conductor terminal and the outer conductor shell are held by holding the conductive engaging piece of the outer conductor terminal, which is attached to the coaxial wire terminal portion accommodated in the connector housing by the rotation thereof. The coaxial connector structure according to claim 1, wherein and are electrically connected to each other. 3. The outer conductor shell is provided with an insertion piece for insertion into the connector housing, and, on the other hand,
An insertion engaging portion for inserting the insertion insertion piece is provided at a rear portion of the connector housing, and the insertion hole is inserted into the insertion engagement portion to form an outer conductor shell. The outer conductor terminal and the outer conductor shell by sandwiching the conductive locking piece of the outer conductor terminal mounted on the coaxial wire end portion housed in the connector housing with the insertion insertion piece. 2. The coaxial connector structure according to claim 1, wherein the coaxial connector structure is electrically connected. 4. The shielded connector according to claim 1, wherein the conductive locking piece is provided on an end edge of the outer conductor terminal on a terminal side. 5. The outer conductor terminal is integrally provided with an insulating barrel for holding and holding a peripheral surface of an insulating jacket covering the outer periphery of the outer conductor.
Shield connector described in. 6. A female-type terminal in which the inner conductor terminal is provided with a cylindrical portion having an opening at its tip, or an outer diameter substantially equal to the inner diameter of the cylindrical portion of the female-type terminal. 6. The shielded connector according to claim 1, wherein the shielded connector is any one of male terminals provided with a cylindrical terminal connection portion having a convex tip end portion that is fitted and connected to the.