JPH10241791A - Connector and attaching structure thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To directly connect a shielding member, provided in a housing to a ground by providing an opening part in the housing for opening a part of the shielding member to the outside of the housing and a ground contact part protruded through this opening part to the outside of the housing. SOLUTION: A plurality of windows (opening parts) 13b are provided in the upper wall of the outer side part 13 of a housing 10, so as to penetrate the same. A part of the upper wall of each shielding shell is opened to the outside of the housing by each window 13b. The opening part of the shielding shell is made as a spring plate part 24 with its intermediate part expanding upwards like a mountain. A protruding position and a protruding dimension are set, such that the protruded part of the spring plate part 24 makes contact with the lower surface of a connector attaching piece 60 inserted into a guide groove 19a. Since the spring plate part 24 of each shielding shell makes contact with the lower surface of the connector attaching piece 60, the shielding shell and the shielding layer of a shielded wire DI side are connected to the ground.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector having a shield function and a mounting structure thereof.

[0002]

2. Description of the Related Art There is known a conventional connector in which a terminal housed in a housing is surrounded by a shield member in order to protect the terminal from external noise.

One example is shown in FIGS. 16A and 16B. The shielded electric wire 80 shown in the figure has, in order from the inside, a central conductor (not shown), an internal insulator 81, a shield layer 82 made of copper braid or the like, and an external insulator 83 in a substantially concentric manner. . At the end of the electric wire, the shield layer 82 is exposed to the outside by peeling the outer insulator 83, and the terminal 84 is fixed to the end of the center conductor.

On the other hand, the connector 90 comprises a cavity 91 and a hood 93 formed of an insulating material such as a synthetic resin, and a shielding shell 9 made of a conductive material such as a metal.
And 2. The cavity 91 has a cylindrical shape and accommodates an electric wire terminal inside thereof, and a lance (not shown) for fixing the terminal is formed inside the cavity 91. The shield shell 92 includes a cylindrical shield portion 92 a fitted to the outside of the cavity 91 and the shield layer 8.
2 and a barrel portion 92b to be crimped on the surface. The hood 93 is formed in a shape that covers the entire shield shell 92 from the outside, and
1 together with a connector housing.

According to such a connector 90, the shield shell 92 is formed of the shield layer 8 of the shielded electric wire 80.
2, the shield layer 82 is connected to the ground, so that the shield wire 82 is connected to the connector 9.
A preferred shield barrier that is continuous over zero can be formed.

[0006]

In order to form a shield barrier by the shield shell 92 of the connector 90, a metal braid or the like constituting the wire-side shield layer 82 which comes into contact with the shield shell 92 is formed by using the shield wire. It is necessary to derive from the right place of 80 and connect to the earth.
The work of leading out the shield layer 82 and the work of connecting the ground are troublesome, which greatly hinders the efficiency of the wiring work. Depending on the specification, it may be preferable to take the ground directly from the connector 90 side. However, in the connector 90 in which the shield shell 92 is completely covered with the hood 93 as described above, the shield shell 92 is It is extremely difficult to connect directly to earth.

[0007] In view of such circumstances, an object of the present invention is to provide a connector capable of easily and directly connecting a shield member provided in a housing to a ground without performing a special operation, and an object of the present invention. And

[0008]

As a means for solving the above problems, the present invention relates to a connector having a terminal in a housing and a shield member made of a conductive material surrounding the terminal. An opening is provided for partially opening the housing to the outside, and a portion of the shield member opened by the opening is used as a ground contact protruding to the outside of the housing through the opening, and the connector is mounted at a predetermined mounting location. In this state, the ground contact portion comes into contact with a ground connection portion provided at the mounting location.

According to this connector, the shield member is automatically connected to the ground by simply attaching the connector to a predetermined mounting location and the ground contact portion of the shield member coming into contact with the ground connection portion outside the connector. can do.

[0010] In this connector, the number of the shield members is not particularly limited. In the case where a plurality of terminals and a plurality of shield members individually surrounding each terminal are provided in the housing, an open portion is provided in the housing corresponding to each shield member, and each shield opened by the open portion is provided. A part of the member may be the ground contact portion, and each of the ground contact portions may be simultaneously contacted with the ground connection portion in a state where the connector is mounted on the mounting portion. A terminal and a plurality of shield members individually surrounding each terminal are provided, an opening is provided in the housing corresponding to only a part of the shield members, and a portion of the shield member opened by the opening is grounded to the ground. When the housing is mounted on the mounting point, the ground contact portion comes into contact with the ground contact portion, and the entire seal is formed. Member may be brought into contact with the shielding member together so as to be connected to ground. In any case, a plurality of shield members can be simultaneously connected to the ground simply by mounting the connector at a predetermined mounting location.

According to the present invention, there is provided a connector having a terminal in a housing and a shield member made of a conductive material surrounding the terminal, wherein a shield contact member made of a conductive material in contact with the shield member is provided in the housing. At least a part of the contact member is opened to the outside of the housing to serve as a ground contact portion. When the connector is mounted at a predetermined mounting location, the ground contact portion comes into contact with a ground connection portion provided at the mounting location. It was made.

In this connector, when a plurality of terminals and a plurality of shield members individually surrounding each terminal are provided in the housing, a plurality of shield contact members may be provided corresponding to each shield member. However, if a single shield connection member is brought into common contact with these shield members, the ground contact portion of the shield member is simply brought into contact with the ground connection portion to simultaneously connect the plurality of shield members to ground. can do.

The shield member may be previously incorporated in the housing, or may be inserted into the housing while being connected to the shield layer of the electric wire by means such as crimping. .

In each of the above connectors, it is more preferable that the ground contact portion is formed in a plate shape that can be bent and deformed in the direction of contact with the ground connection portion. With this configuration, when the ground contact portion comes into contact with the ground connection portion, the ground contact portion bends and deforms, whereby the contact pressure between the ground contact portion and the ground connection portion is increased by the elastic force, and the reliability of the contact is improved. The performance is improved.

Further, the housing is provided with an engaging portion which is engaged with a connector mounting member for mounting the connector, so that the connector mounting member engaging with the engaging portion and the ground contact portion come into contact with each other. If the position of the ground contact portion is set, the mounting of the connector and the ground connection of the shield member can be performed simultaneously only by engaging the connector mounting portion and the engaging portion.

According to the present invention, in a structure in which a connector having a terminal in a housing and a shield member made of a conductive material surrounding the terminal is mounted at a predetermined mounting position, the grounding portion connected to the ground is mounted at the mounting position. The connector is configured such that the ground contact portion and the shield member are electrically connected in a state in which the connector is mounted at the mounting location.

Here, if the connector is a connector according to any one of the first to sixth aspects, the ground contact portion comes into contact with the ground connection portion in a state where the connector is mounted on the mounting portion. With this configuration, the shield member can be automatically connected to the ground.

Specifically, when the mounting location is on a printed circuit board, a ground connection portion is provided on the printed circuit board, and the grounding portion is mounted on the printed circuit board in a state where the connector is mounted. The position of the ground contact portion may be set so that the contact portion comes into contact with the ground connection portion.If the mounting portion is inside a shield case made of a conductive material connected to the ground, this case is used. The position of the ground contact portion may be set so that the ground contact portion of the connector comes into contact with the case in a state where the connector is mounted inside the case.

[0019]

FIG. 1 shows a first embodiment of the present invention.
This will be described with reference to FIG.

In FIG. 1, a common connector C1 is provided at a terminal of a plurality of shielded wires D1 arranged in the depth direction, and a common connector C2 is provided at a terminal of a plurality of shielded wires D2 also arranged in the depth direction. And each of the shielded wires D1,
D2 are connected to each other. Each of the shielded wires D1 and D2 is, in order from the inside, a central conductor 52,
An unillustrated internal insulator and a shield layer 54 made of copper braid or the like
And an external insulator 56, and the male terminal T1 is fixed to the end of the center conductor 52 of the shielded wire D1, while the female terminal T2 is fixed to the end of the center conductor 52 of the shielded wire D2. The center conductors 52 of the shielded wires D1 and D2 are electrically connected to each other by fitting the terminals T1 and T2 together.

As shown in FIGS. 2 and 3, the connector C
1 includes a housing 10 and a shielding shell (shielding member) 20.

The housing 10 is integrally formed entirely of an insulating material such as synthetic resin, and has the same number of cylindrical inner portions 12 as the male terminals T1 and the outer portions 1 surrounding these inner portions 12.
It consists of three. The inner portions 12 are arranged in a horizontal direction, and the inner portions 12 are separated from each other by an inner wall 13c on the outer portion 13 side. Each inner portion 12 has a terminal accommodating chamber 11 for accommodating the male terminal T1, and an inner wall of each terminal accommodating chamber 11 has a lance 12 for locking the male terminal T1.
a is formed.

Each of the inner portion 12 and the outer portion 13 is locally connected by a pair of connecting portions 14 as shown in FIG. A shell insertion groove 15 is secured between them. A pair of upper and lower locking recesses 12b are formed on a surface of the inner portion 12 facing the shell insertion groove 15.

The inner portion 12 has a smaller axial dimension than the outer portion 13. The space surrounded by the outer portion 13 in front of each inner portion 12 (to the right in FIGS. The housing fitting holes 16 into which the respective partial housings 30a of C2 can be fitted are formed. The outer portion 13 surrounding the housing fitting hole 16 is provided with a fitting holding hole 13a penetrating the housing fitting hole 16 in the radial direction.

The shield shell 20 is entirely made of a conductive material and has an overall shape that can be inserted into the shell insertion groove 15. A notch 21 is formed in the front half (the right half in FIG. 3) of the shield shell 20 to avoid interference with the connecting portion 14. On the upper and lower surfaces of the shielding shell 20, a locked piece 22 having a free end whose rear end (the left end in FIGS. 1 and 5) protrudes inward is formed. The shielding shell 20 is inserted into the shell insertion groove 1 until it is fitted into the locking recess 12b.
By being inserted into the shell 5, the shield shell 20 is locked at the position. In this state, the rear half of the shield shell 20 covers the housing fitting hole 16 from the inside.

The rear end of the shield shell 20 (FIG. 5)
In the left end portion), a leaf spring 23 is formed in which a part of the upper and lower walls is bent radially inward. Double leaf spring 2
Reference numeral 3 indicates that the rear end can be displaced radially inward by bending deformation of the root portion.

On the other hand, a pair of upper and lower lids 17, 17 'which can be opened and closed are provided at positions corresponding to the two leaf springs 23 at the rear end of the housing 10. These lids 1
The front ends of the members 7 and 17 ′ are integrally connected to the outer portion 13 of the housing 10 via a thin hinge portion 18, and the lids 17 and 17 ′ can be rotated by bending deformation of the hinge portion 18. ing.

The front ends (right ends in FIG. 1) of the lids 17, 17 'are provided with pressing portions 17a projecting inward from the inner surfaces thereof.
Are formed corresponding to the respective shield shells 20, and the rear end portion has an electric wire holding portion 17b protruding inward from the inner side surface thereof.
Are formed corresponding to the respective shield shells 20. As shown in FIG. 2, a locking groove 17c is formed at the lower edge of the upper lid 17, while a locking projection 17d is formed at the rear upper edge of the lower lid 17 '. When the locking projection 17d fits into the locking groove 17c, the closed state of the lids 17 and 17 'is maintained. When the male terminals T1 connected to the shielded electric wire D1 are inserted into the terminal accommodating chamber 11, the lids 17, 17 'are closed, so that the pressing portion 17a presses the leaf spring 23 from outside. Leaf spring 23
The pressing portion 17a and the wire holding portion 17b are set in such a manner that the contact portion 17a contacts the shield layer 54 of the shielded wire D1 and the wire holding portions 17b sandwich the outer insulator 56 of the shielded wire D1 from above and below. ing.

On the other hand, as shown in FIGS. 1, 4, and 5, the connector C2 has a housing 30 and a shielding shell 40.

The housing 30 includes a plurality of partial housings 30 that can be fitted into the respective housing fitting holes 16.
a are arranged in the horizontal direction and integrated with each other,
Like the housing 10, the whole is integrally formed of an insulating material such as a synthetic resin. Each housing part 30a
Is composed of a cylindrical inner portion 32 and an outer portion 33,
The inside of the inner portion 32 is a terminal accommodating chamber 31 for accommodating the female terminal T2. On the inner wall of the terminal accommodating chamber 31, a lance 32a for locking the female terminal T2 is formed. The inner portion 32 and the outer portion 33 are
The front end (the left end in FIG. 1) is locally connected by a connecting portion 34, and a shell insertion groove 35 is secured between the inner portion 32 and the outer portion 33 behind the connecting portion 34. A pair of left and right locking recesses 33b are formed on the surface of the outer portion 33 facing the shell insertion groove 35, and spring piece insertion holes 33c penetrating the upper and lower walls of the outer portion 33 vertically. Is formed.

The shape of the outer surface of the housing 30 is such that the housing 30 itself can be fitted into the housing fitting hole 16 of the housing 10, and the outer surface of the housing 30 is fitted and held by the housing 10 during the fitting. A fitting holding piece 33a that fits into the hole 13a is formed. The terminals T1 and T2 are also fitted together with the fitting between the housings 10 and 30.

The shield shell 40 is formed of a conductive material similarly to the shield shell 20 and has an overall shape insertable into the shell insertion groove 35, and has a front half (the left half in FIG. 1). A contact spring piece 41 is formed on the upper and lower walls of the part) so that the middle part in the front-rear direction is curved outward and the front end is a free end. On both left and right side surfaces of the shielding shell 40, a locked piece 42 whose rear end (the right end in FIG. 5) is a free end protruding outward is formed. The shield shell 40 is inserted into the shell insertion groove 35 until the shield shell 40 is inserted into the stop concave portion 33b, so that the shield shell 40 is locked at the position. At this position, the two contact spring pieces 41 slightly protrude out of the housing 30 through the spring piece insertion holes 33c, and when the housing 30 is fitted into the housing fitting hole 16 of the housing 10, the two contact spring pieces 41 are formed. The piece 41 can contact the inner peripheral surface of the shield shell 20.

The rear end of the shield shell 40 (FIG. 1)
A pair of upper and lower leaf springs 43 similar to the leaf springs 23 is also formed at the right end of the housing 30. Lids 37 and 37 'are provided. The front ends of these lids 37 and 37 ′ are also integrally connected to the outer part 33 of the housing 30 via a thin hinge part 38, and the lids 37 and 3 ′ are bent by bending the hinge part 38.
7 'can be rotated.

Both lids 37 and 37 'also have front ends (FIG. 1).
In the left end) a plurality of pressing portions 3 projecting inward from the inner surface
7a and a plurality of wire holding portions 37b protruding inward from the rear end inner surface, and a locking means (not shown) similar to the locking groove 17c and the locking projection 17d shown in FIG. Is provided. When the female terminals T2 connected to the shielded electric wire D2 are inserted into the terminal accommodating chamber 31, the lids 37 and 37 'are closed, so that the pressing portion 37a presses the leaf spring 43 from outside. The leaf spring 43 is connected to the shield layer 5 of the shielded electric wire D2.
4 and the shape of the pressing portion 37a and the wire holding portion 37b is set so that both wire holding portions 37b sandwich the outer insulator 56 of the shielded wire D2 from above and below.

Next, the mounting structure of the connector C1 will be described.

In this embodiment, the connector C1 is adapted to be attached to the body of an automobile. In an appropriate position of this body, a substantially L-shaped connector mounting piece (connector mounting member) 6 extending downward and further to the side as shown in FIG.
0 is provided. The connector attachment piece 60 is formed of a conductive material such as a metal and is connected to the ground.

On the other hand, the housing 1 of the connector C1
0, a pair of left and right guide rails (engaging portions) 19
Are integrally formed. Guide grooves 19a into which both right and left edges of the connector mounting piece 60 can be fitted are formed on the inner surface of each guide rail 19, and these guide grooves 19 are formed.
The connector C1 can be mounted on the connector mounting piece 60 by inserting the connector mounting piece 60 between the positions a.

Further, as a feature of this connector C1,
A plurality of windows (opening portions) 13b penetrating the outer portion 13 of the housing 10 are formed in the upper wall, and a part of the upper wall of each shielding shell 40 is formed outside the housing (see FIG. In the example, it is opened upward.
The open portion of the shielding shell 40 has a spring plate portion 24 whose middle portion bulges upward and protrudes upward, and the middle portion of the spring plate portion 24 projects further upward than the upper surface of the housing 10. The projecting position and the projecting dimension are set so that the projecting portion contacts the lower surface of the connector mounting piece 60 inserted into the guide groove 19a.

Next, the procedure for connecting the shielded wires D1, D2 to the connectors C1, C2, the procedure for attaching the connector C1,
The connection procedure of the two connectors C1 and C2 will be described.

As shown in FIG. 1 two-dot chain line and FIG.
The two lids 17, 17 'of the connector C1 (the two lids 37, 37' in the connector C2; hereinafter, the brackets indicate elements on the connector C2 side) are opened, and the upper and lower leaf springs 23 (4
3) Insert the male terminal T1 (female terminal T2) of the shielded electric wire D1 (D2) into the terminal accommodating chamber 11 (31) from between the terminals, and connect the terminal T1 (T2) to the lance 12a shown in FIG.
It is fixed in the terminal accommodating chamber 11 (31) by engagement with (32a).

The lids 17 and 17 ′ (37 and 37 ′) are closed, and the locking groove 17 c and the locking projection 17 d are engaged and fixed in a closed state. At this time, both lids 17, 17 '(3
7, 37 ') is pressed by the leaf spring 23 (37a).
(43) is pressed from both outer sides to bring the end of the leaf spring 23 (43) into contact with the shield layer 54 of the shielded electric wires D1 and D2. Further, both wire holding portions 17b (37b) hold the outer insulator 56 of the shielded wire D1 (D2) from above and below,
The shielded electric wire D1 (D2) is fixed to the connector C1 (C2) side. Thus, the connection between the shielded electric wire D1 (D2) and the connector C1 (C2) is completed.

As shown in FIG. 6, the connector C1 is attached to the connector attachment piece 60 such that the connector attachment piece 60 is inserted into the guide groove 19a of the guide rail 19 formed on the connector C1. Here, the connector mounting pieces 60 are connected to ground, and the spring plate portions 24 of the shield shells 20 contact the lower surface of the connector mounting pieces 60 (see FIG. 1). 20 and the shield layer 54 of each shielded electric wire D1 connected thereto are connected to the ground.

The housing 10 in the connector C 1
The respective partial housings 30a of the connector C2 are fitted into the respective housing fitting holes 16 (the state of FIG. 1). Thereby, the male terminal T1 and the female terminal T2 are fitted to each other to electrically connect the center conductors 52 of both shielded electric wires D1 and D2, and at the same time, the two contact spring pieces 41 of the connector C2 are connected to the connector. It contacts the inner surface of the shielding shell 20 at C1. As described above, since the shield shell 20 is connected to the ground via the connector attachment piece 60, finally, the shield layer 54 of the shield wire D1 → the shield shell 20 → the shield shell 40 → the shield wire A series of shield barriers following the shield layer 54 of D2 will be formed.

As described above, in the connector C1 according to this embodiment, the operation of engaging the guide rail 19 and the connector mounting piece 60, that is, the operation of mounting the connector C1 to the connector mounting piece 60, is performed. The shield shell 20 can be automatically connected to the ground. Therefore, there is no need to perform the work of connecting the shield layer to the ground again as in the related art, and the efficiency of the wiring work is improved.

Further, the ground contact portion shown in this embodiment is a plate-like spring plate portion 24 which can be bent and deformed in a contact direction (vertical direction in the drawing) with the connector mounting piece 60. If the height of the ridge of the spring plate portion 24 is set so as to contact the lower surface of the connector mounting piece 60 in a state where the connector mounting piece 60 is slightly bent and deformed downward, the elasticity of the spring is used to mount the connector. The contact pressure between the piece and the spring plate portion 24 can be kept high, and the reliability of the contact can be increased.

In this embodiment, the connector mounting piece 60 is engaged with the housing 10 in a state where the connector mounting piece 60 is fixed to a predetermined mounting position in advance. In this case, after the connector mounting piece 60 and the housing 10 are engaged with each other, the connector mounting piece 60 may be fixed to the connector mounting location and may be grounded.

FIGS. 7A and 7B show a second embodiment. In this embodiment, the rear end of the shielding shell 20 is a pair of upper and lower slack portions 25, and these slack portions 2
5 fixed part 1 whose rear end is formed on the back surface of lids 17 and 17 ′
7c so that the lids 17 and 17 'can be opened and closed with the bending deformation of the slack portion 25. At the portion where the outer portion 13 is adjacent to both the lids 17 and 17 ', a window (opening) 13d penetrating the lid 17 and 17' is provided, and the lids 17 and 17 'are closed as shown in FIG. In this state, the rear end portions of the both slack portions 25 bulge inward and come into contact with the shield layer 54, and the intermediate portions rise up and down on both outer sides and protrude from the windows 13d to the outside of the housing 10.

In the connector C1 as well, when the connector C1 is mounted on the connector mounting piece 60, the raised position is set so that the slack portion 25 contacts the connector mounting piece 60. As in the first embodiment, the shield shell 20 can be easily connected to the ground. Further, as shown in the drawing, the slack portion 2 when the lids 17 and 17 'are closed by providing a projection 13e on the inner surface of the housing outer portion 13 or the like.
If the shape of 5 is regulated and stabilized, the contact between the slack portion 25 and the connector mounting piece 60 can be made more reliable.

FIGS. 8 and 9 show a third embodiment.
In this embodiment, a window 13f penetrating the inner wall 13c interposed between the shielding shells 20 is provided, and a window (opening) 13g penetrating the outer shell 13 is provided on one side wall of the outer portion 13. A recess 13h is formed on the inner side surface of the other side wall.

On the other hand, spring plate portions 26 bulging outward are formed in the middle portions of the left and right side walls of each shield shell 20, and these spring plate portions 26 are fitted to the windows 13f, 13g and the recesses 13h. By being fitted, the shield shells 20 are locked in the housing 10 and the spring plate portions 2 of the shield shells 20 adjacent to each other.
6 are in contact with each other through the window 13f, and one of the outer shield shells 20 (the right shield shell 2 in FIG. 9).
The outer spring plate portion 0) protrudes to the side of the housing 10 through the window 13g. The guide rails 19 shown in the first embodiment are vertically arranged on the side surfaces of the housing 10 from which the spring plate portions 26 protrude, and the connector mounting pieces 60 are fitted in the guide grooves 19a of the guide rails 19. The spring plate portion 26 comes into contact with the connector mounting piece 60 in the inserted state.

In FIG. 8, reference numeral 61 denotes a stopper for regulating the position of the distal end of the connector mounting piece 60.

In this connector C1, the connector mounting piece 6
0 is the shield shell 20 closest to this.
Of the shield shell 2
0 is in contact with the central shielding shell 20, and this central shielding shell 20 is in contact with the connector mounting piece 60 on the opposite side (left side in FIG. 9). In the same manner as in the first embodiment, the entire shielding shell 20 can be connected to the ground with the mounting operation of the connector C1.

FIGS. 10 and 11 show the fourth embodiment.
(A) and (b). In each of the above-described embodiments, the shield shell 20 is formed integrally with the ground contact portion, which is in direct contact with the connector mounting piece 60. However, in this embodiment, each shield shell 20 Are grounded via a shield contact member 70 made of a conductive material such as a metal.

Specifically, in the housing 10 shown in the third embodiment, instead of providing the window 13f or the like, an insertion groove 62 extending horizontally at the bottom of the housing as shown in FIG. And a concave groove 64 traversing the lower guide rail 19 on the side surface of the housing is formed continuously, and the insertion groove 62 and each shield shell 2 are formed.
There is formed a communication port 66 for communicating 0 with the upper and lower sides. On the other hand, the shield contact member 70 is made of a thin plate, and has a substantially L-shape having a horizontal portion 72 that can be inserted into the insertion groove 62 from the side and a vertical portion 74 that can be inserted into the concave groove 64. A protrusion 76 corresponding to each communication port 66 is formed on the upper surface of the horizontal portion 72, and a protrusion 77 is formed on the outer surface of the vertical portion 74. When the shield contact member 70 is mounted in the insertion groove 62 and the concave groove 64, each protrusion 76 of the horizontal portion 72 fits into each communication port 66 and comes into contact with the bottom surface of each shield shell 20. At the same time, the protrusion 77 of the vertical portion 74 projects sideward from the side surface of the housing 10, and in this state, the connector mounting piece 60 is inserted into the guide groove 19 a of the guide rail 19 on the side surface, so that the connector mounting piece 60 The protrusion 7
7 come into contact with each other.

In the connector C1 as well, by attaching the connector C1 to the connector mounting piece 60, each shield shell 20 can be simultaneously connected to the ground via the shield contact member 70 and the connector mounting piece 60. .

The shield contact member 70 may be provided for each shield shell 20 (that is, provided in the same number as the number of shield shells 20), but as described above, a plurality of shield shells 20 are provided. If a single shield contact member 70 is brought into common contact with the ground, ground connection can be achieved with a simple structure having a smaller number of components.

Also, the connector mounting piece 60 is omitted,
The shield contact member 70 is provided on the body side as the connector mounting piece 60, and the fitting of the connector mounting piece 60 with the insertion groove 62 and the concave groove 64 allows the mounting of the connector C1 and the ground connection of the shield shell 20 to be performed simultaneously. You may do so. That is, the connector mounting structure of the present invention is not limited to the shield shell side projecting out of the housing through the opening, and conversely, the ground connection outside the connector penetrates into the housing through the opening, and the shield shell and It may be in contact.

A fifth embodiment will be described with reference to FIGS. In this embodiment, an example is shown in which the connector C1 according to the present invention is a board connector mounted on a printed circuit board P.

In the figure, the housing 1 of the connector C1 is shown.
The mounting portions 10a are provided on both left and right side portions of the front panel 0 so as to protrude laterally.
A bolt insertion hole 1 that penetrates each mounting portion 10a vertically.
0b is provided, and a bolt (not shown) is inserted through the bolt insertion hole 10b and screwed into a screw hole provided at an appropriate position on the printed circuit board P, thereby connecting the connector C1 at an appropriate position on the printed circuit board P. It can be fixed to.

As shown in FIG. 13, a pin-shaped male terminal 68 is fixed to each housing inner portion 12 of the connector C1 so as to penetrate it in the horizontal direction, and one end of the male terminal 68 is inserted into the housing fitting hole 16. While the other end is bent downward and inserted through the through hole 67a of the printed circuit board P, and the circuit pattern P disposed on the lower surface of the board P
_It is connected and fixed to ₁ by soldering 69.

Each shield shell 20 of the connector C1 is formed with an elastic tongue (ground contact portion) 28 which can be bent up and down by folding the bottom wall thereof. The elastic tongue piece 28 projects downward from the bottom surface of the housing 10 by being inserted from the rear (left side in FIG. 13) into an open groove (open portion) 13j formed in the bottom wall of the housing 10. .

The rear end of each shielding shell 20 is formed as a hood 27 that covers the male terminal 68 outside the housing 10, and a through hole 27 a in the center of the hood 27 is inserted into the male terminal 68.
Is in a penetrating state. Furthermore, this hood part 2
The lower center of 7 is separated from other parts and bent downward to form connection pins 29.

On the other hand, on the upper and lower surfaces of the printed circuit board P, ground patterns (ground connection portions) P ₂ and P ₃ connected to the ground are provided, and both ground patterns P ₂ and P _{3 are provided.} The substrate P is provided with a through hole 67b penetrating these. Then, the mounting portion 10
while fixed in place of the printed circuit board P the connector C1 with a (state of FIG. 13), while pressing the front side of the ground pattern P ₂ in its resilient force while deforming the elastic tongue piece 28 is bent the connection pin 29 is adapted to be inserted from above into the through-hole 67b, connected to the connection pins 29 and the back side of the ground pattern P ₃ is soldered 69 in this inserted condition, is fixed.

Also in this embodiment, simply by fixing the connector C1 at an appropriate position on the printed circuit board P, the shielding shell 20 is automatically set to the ground pattern P _2.
Can be connected to earth. In this embodiment, in order to improve the reliability of the ground connection,
Although soldering 69 is also performed between the connection pin 29 and the back ground pattern P _3, skip this soldering 69 are possible ground connection, work by this omission is more simplified.

FIG. 15 shows a sixth embodiment. In this embodiment, the mounting location of the connector C1 is set inside the shield case 78. Shield case 78
Is entirely made of a conductive material such as a metal, and is connected to the ground by wiring (not shown). An opening 79 is formed in a side wall of the shield case 78.
9, the connector C1 is inserted into the shield case 78 with the front end (lower end in FIG. 15) of the connector C1 protruding out of the case.
1 is fixed. On the side wall of the housing 10 of the connector C1, an open groove (open portion) 13k that opens laterally is formed, and an elastic tongue piece 28 extends laterally from the front end of the shielding shell 20 through the open groove 13k. The position of the elastic tongue piece 28 is set so that the elastic tongue piece 28 is pressed against the peripheral edge of the opening 79 of the shield case 78 in a state where the connector C1 is fixed in place.

Also in this embodiment, the shield case 78
The shield shell 20 can be automatically connected to the ground by the contact between the elastic tongue piece 28 of the connector C1 and the shield case 78 only by the operation of fixing the connector C1 in an appropriate place in the inside.

A seventh embodiment is shown in FIGS.

In the first embodiment, the shield shell 20 is incorporated in the housing 10 in advance, and then the shield shell 20 is connected to the shield layer 54 of the electric wires D1 and D2. In this embodiment, in a state where the shield shell 110 is crimp-connected to the electric wire (the electric wire D2 in the illustrated example) in advance, the shield shell 110 is inserted into the housing 130 to complete the connector. ing.

In the figure, the shield shell 110 is
It has a rectangular tubular main body 111 that opens forward and backward, and a barrel 116 is formed extending rearward from the main body 111. Then, with the terminal T2 connected to the central conductor 52 of the electric wire D2 and the internal insulator 120 interposed between the terminal T2 and the main body 111, the terminal of the electric wire D2 is inserted into the main body 111. After that, the electric wire D2
The barrel portion 116 is crimped to the shield layer 54 of FIG.

On the side of the main body 111, an arm 112 extending downward from the side of the top wall of the main body 111 is formed.
A leaf spring piece (earth contact portion) 113 extends rearward from the arm portion 112. The rear end of the leaf spring piece 113 is a free end that can be bent and deformed in a direction of coming into contact with and separating from the side surface of the main body portion 111. And the connector mounting piece 60 shown in FIG.
A contact protrusion 114 for realizing a point contact with the contact is formed. A stopper 115 is formed at the rear end of the main body 111 to prevent the rear end of the leaf spring piece 113 from being displaced outward.

The housing 130 has a rectangular cylindrical shape into which the shield shell 110 can be fitted, and the side wall thereof has a leaf spring piece 113 of the shield shell 110 in the fitted state.
A notch 131 is formed for exposing the side surface to the side. A pair of front and rear guide rails 132 are formed on the side of the housing 130, and the guide grooves 13 into which the connector mounting pieces 60 can be fitted are inside the guide rails 132.
3 are formed. A locked projection 134 is formed on the same side surface as the guide rail 132. In contrast, the connector mounting piece 60 has a through hole 60a.
Is formed, and the connector mounting piece 60 is connected to the guide groove 1.
When the through-hole 60 and the locked projection 134 are engaged with each other while being inserted into the
Is fixed to the housing 130.

17 and 18, reference numeral 60b denotes a bolt insertion hole formed in the connector mounting piece 60.
By inserting the bolt 64 into the bolt insertion hole 60b and screwing the bolt 64 into the screw hole 152 of the connector mounting location 150, the housing 130 can be mounted to the connector mounting location 150 via the connector mounting piece 60. I can do it.

Even in such a structure, by connecting the connector mounting piece 60 to the ground, a shield shell 110 that comes into contact with the connector mounting piece 60 at the contact protrusion 114, and a crimp contact with the shield shell 110 The connected shield layer 54 can be connected to ground.

Even in such a crimp connection type, as shown in FIG. 19, a plurality of shield shells 110 can be accommodated in a single housing 130 as shown in FIG. In this case, each shield shell 11
Each leaf spring piece 1 is formed by forming a notch 131 corresponding to
The position of the guide rail 132 may be set so that the plate spring 13 is exposed to the outside of the housing 130 and the leaf spring piece 113 and the connector mounting piece 60 come into contact at the same time.

As a ninth embodiment, as shown in FIG. 20, one side surface of the main body 111 is bulged to the side as a spring plate 117, and a through hole 136 is formed in the partition inner wall 135 of the housing 130. Formed through this through-hole 13
6 through which the spring plate portion 117 is adjacent to the main body portion 111.
So that the spring plate portion 117 of the outermost shield shell 110 is exposed to the outside of the housing through the through hole 137 in the side wall of the housing 130. The spring plate portion 117 and the connector mounting piece 60 are Even if they are in contact with each other, it is possible to simultaneously connect all the shielding shells 110 to the ground via the connector mounting pieces 60.

As in the case of the spring plate 26 of the shield shell 20 shown in FIG. 9, spring plates 117 are formed on both side surfaces of the main body 111 so that the spring plates 117 are brought into contact with each other. Is also good.

In the present invention, the shield shell 20 may be singular regardless of the number thereof. Also, regardless of the arrangement of the shield shells 20, the shield shells 20 may be arranged in a row as shown in the above-described drawings, or may be arranged in a plurality of stages. In any case, the configuration may be such that each shield shell 20 is finally connected to a ground connection outside the connector in a state where the connector C1 is mounted at a predetermined mounting location.

[0078]

As described above, according to the present invention, the ground connection portion is provided at the mounting position of the connector having the shield member, and the ground contact portion and the shield member are electrically connected to each other when the connector is mounted. A connector is provided, and an opening is provided in the housing to open a part of the shield member to the outside of the housing, and the part of the shield member opened by the opening is passed through the opening to the outside of the housing. A shield contact member made of a conductive material that contacts the shield member in the housing, and at least a part of the shield contact member is opened to the outside of the housing to be grounded. Since it is a contact part, the shield member is connected to the ground contact part only by attaching the connector to the specified mounting location. Can be automatically connected, it is possible to increase the efficiency of the wiring operation.

In a connector having a plurality of terminals in a housing and a plurality of shield members individually surrounding each terminal, an open portion is provided in the housing corresponding to each shield member. A part of each of the opened shield members is used as the ground contact part, and the ground contact part is simultaneously contacted with the ground connection part in a state where the connector is attached to the mounting part, or the inside of the housing. A plurality of terminals and a plurality of shield members individually surrounding each terminal, an open portion is provided in the housing corresponding to only some of the shield members, and a shield member opened by the open portion is provided. The ground contact portion, and the ground contact portion contacts the ground connection portion in a state where the housing is mounted on the mounting portion. By connecting the shield members to each other so that all the shield members are connected to the ground, or by using a single shield connection member in common contact with the shield member, the connector is mounted in a predetermined manner. An effect that a plurality of shield members can be simultaneously connected to the ground simply by attaching the shield member to the location is obtained.

In each of the connectors, the ground contact portion is formed in a plate shape that can be bent and deformed in the direction of contact with the ground connection portion. Using the generated force, the contact pressure between the ground contact portion and the ground connection portion can be increased, and the effect of improving the reliability of the contact can be obtained.

Further, the housing is provided with an engaging portion which is engaged with a connector mounting member for mounting the connector, and the connector mounting member which engages with the engaging portion is in contact with the ground contact portion. If the position of the ground contact portion is set, the effect of being able to simultaneously perform the mounting of the connector and the ground connection of the shield member only by engaging the connector mounting portion and the engaging portion is obtained.

[Brief description of the drawings]

FIG. 1 is a sectional side view showing a connection state between connectors according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a housing and a shielding shell of a connector having a male terminal among the connectors shown in FIG. 1;

FIG. 3 is a sectional plan view of the connector shown in FIG. 2;

4 is an exploded perspective view showing a housing and a shielding shell of a connector having a female terminal among the connectors shown in FIG. 1;

FIG. 5 is a sectional plan view of the connector shown in FIG. 4;

FIG. 6 is a perspective view showing a state where the connector shown in FIG. 2 is mounted on a connector mounting piece.

FIG. 7A is a cross-sectional side view showing a state in which a connector lid is open in a second embodiment of the present invention, and FIG.
FIG. 3 is a cross-sectional side view showing a state where a lid is closed.

FIG. 8 is an exploded perspective view showing a housing and a shielding shell of a connector according to a third embodiment of the present invention.

9 is a cross-sectional plan view showing a main part of the connector shown in FIG.

FIG. 10 is a perspective view of a connector according to a fourth embodiment of the present invention.

11A is a cross-sectional front view showing a state where the shield contact member is not mounted in the connector shown in FIG. 10, and FIG. 11B is a cross-sectional front view showing a state where the shield contact member is mounted.

FIG. 12 is a perspective view of a connector according to a fifth embodiment of the present invention.

13 is a cross-sectional side view showing a connector mounted on a printed circuit board among the connectors shown in FIG.

FIG. 14 is a perspective view of the connector shown in FIG. 13 as viewed from a bottom surface side.

FIG. 15 is a partial cross-sectional plan view of a connector according to a sixth embodiment of the present invention.

FIG. 16 is an exploded perspective view of a connector according to a seventh embodiment of the present invention.

FIG. 17 is an assembled perspective view of the connector shown in FIG. 16;

FIG. 18 is a cross-sectional plan view showing an attached state of the connector shown in FIG.

FIG. 19 is an exploded perspective view of a connector according to an eighth embodiment of the present invention.

FIG. 20 is a sectional plan view of a connector according to a ninth embodiment of the present invention.

21A is an assembled perspective view showing an example of a conventional connector with a shield function, and FIG. 21B is an exploded perspective view of the connector.

[Explanation of symbols]

C1, C2 Connector D1, D2 Shielded wire T1 Male terminal T2 Female terminal 10, 130 Housing 13b, 13d, 13g Window (open part) 13j, 13k Open groove (open part) 19, 133 Guide rail (engagement part) 20, 110 Shield shell (shield member) 24, 26 Spring plate portion (earth contact portion) 25 Loose portion (earth contact portion) 28 Elastic tongue piece (earth contact portion) 60 Connector attachment piece (connector attachment member) 70 Shield contact Member 77 Projection (Earth contact part) 78 Shield case 113 Leaf spring part (Earth contact part) 131 Notch (Open part) P Printed circuit board P ₂ , P ₃ Ground pattern (Earth connection part)

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroki Hirai 1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi Prefecture Inside Harness Research Institute, Inc. (72) Inventor Yuichiro Tsutsumi 1-Kikuzumi, Minami-ku, Nagoya-shi, Aichi Prefecture No. 7-10 Inside Harness Research Institute

Claims (12)

[Claims] 1. A connector having a terminal in a housing and a shield member made of a conductive material surrounding the terminal.
The connector is provided with an opening for opening a part of the shield member to the outside of the housing, and the portion of the shield member opened by the opening is a ground contact portion protruding outside the housing through the opening. Wherein the ground contact portion contacts a ground connection portion provided at the mounting location in a state where the ground contact portion is mounted at a predetermined mounting location. 2. The connector according to claim 1, wherein a plurality of terminals and a plurality of shield members individually surrounding the terminals are provided in the housing, and an opening is provided in the housing corresponding to each shield member. In addition to providing the ground contact portion, the portion of each shield member opened by the open portion is set as the ground contact portion, and the ground contact portions are simultaneously contacted with the ground connection portion in a state where the connector is mounted at the mounting location. A connector characterized in that: 3. The connector according to claim 1, wherein a plurality of terminals and a plurality of shield members individually surrounding the terminals are provided in the housing, and only a part of the shield members is provided in the housing. By providing an open portion, the portion of the shield member opened by the open portion is used as the ground contact portion, and the ground contact portion comes into contact with the ground connection portion in a state where the housing is mounted at the mounting location. A connector wherein the shield members are brought into contact with each other so that all shield members are connected to the ground. 4. A connector having a terminal in a housing and a shielding member made of a conductive material surrounding the terminal.
A shield contact member made of a conductive material that contacts the shield member is provided in the housing, and at least a part of the shield contact member is opened to the outside of the housing to serve as a ground contact portion, and the connector is mounted at a predetermined mounting location. Wherein the ground contact portion comes into contact with a ground connection portion provided at the mounting location in a state where the connector is in a state of being placed. 5. The connector according to claim 4, wherein a plurality of terminals and a plurality of shield members individually surrounding the terminals are provided in the housing, and a single shield connection member is provided for these shield members. A connector characterized by being brought into common contact. 6. The connector according to claim 1, wherein the ground contact portion is formed in a plate shape that can be bent and deformed in a direction of contact with the ground connection portion. 7. The connector according to claim 1, wherein the housing is provided with an engaging portion that is engaged with a connector mounting member for mounting the connector.
A connector wherein the position of the ground contact portion is set such that the connector mounting member engaging with the engagement portion and the ground contact portion come into contact with each other. 8. In a structure in which a connector having a terminal and a shield member made of a conductive material surrounding the terminal in a housing is mounted at a predetermined mounting position, a ground connection portion connected to a ground is provided at the mounting position. A connector mounting structure wherein the connector is configured such that the ground contact portion and the shield member are electrically connected in a state where the connector is mounted at a mounting location. 9. The connector mounting structure according to claim 8, wherein the connector is the connector according to any one of claims 1 to 6, wherein the ground contact portion is mounted in a state where the connector is mounted at the mounting location. A connector mounting structure wherein the connector is configured to be in contact with the ground connection portion. 10. The connector mounting structure according to claim 8, wherein a connector mounting member that is connected to the ground is provided at the mounting location, and an engaging portion that is engaged with the connector mounting member is provided at the housing. A connector mounting structure wherein the connector is configured such that the connector mounting member engaging with the engaging portion and the ground contact portion are in contact with each other. 11. The connector mounting structure according to claim 9, wherein the mounting portion is on a printed circuit board, and a ground connection portion is provided on the printed circuit board.
A connector mounting structure, wherein the position of the ground contact portion is set such that the ground contact portion contacts the ground connection portion in a state where the connector is mounted on the printed circuit board. 12. The connector mounting structure according to claim 9, wherein the mounting portion is inside a shield case made of a conductive material connected to a ground, and the connector is mounted in the shield case in a state where the connector is mounted. A connector mounting structure wherein the position of the ground contact portion is set so that the ground contact portion of the connector contacts the case.