JP2910311B2 - connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting and disconnecting a plurality of cables connecting electronic devices in an integrated state.

[0002]

2. Description of the Related Art Among a plurality of cables for connecting electronic devices, a shielded cable having a core wire covered with an external conductor is used as a cable for which it is necessary to prevent electric noise caused by electromagnetic waves. Further, with respect to this shielded cable, the connector portion is also shielded in order to make the electromagnetic wave shield more complete.

As a shielded connector, a so-called shielded connector, a connector housing in which the outer periphery of a connector housing is covered with a metal conductor, or a connector having a shielded housing, has been known.
As shown in 1-1157280, there is a connector housing itself formed of a conductive material.

[0004] When a plurality of cables connecting electronic devices include a shielded cable and an unshielded cable, conventionally, the shielded cable has the above-described shielded connector, and the unshielded cable has a normal unshielded connector. Thus, two types of connectors are used, or a shielded cable and an unshielded cable are put together into one shielded connector.

[0005]

However, if two types of connectors, shielded and unshielded, are used, the number of connectors increases, which increases the time required for attachment and detachment, and is not preferable in terms of maintenance.

When both types of cables are combined into one shielded connector, an unnecessary shield is applied to an unshielded cable.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems in the case of using the conventional connector. The present invention is applicable to both shielded and unshielded cables, and furthermore, only to shielded cables. It is an object of the present invention to provide a connector provided with.

[0008]

A connector according to the present invention comprises the following parts.

That is, the shield terminal and the non-seal
Terminal housing that houses the terminal inside
On the other hand, this terminal housing accommodates
Compatible with shielded and unshielded terminals
Connector housing with drawer terminals
Have. The shield terminal is a shielded cable
Core terminal connected to the core wire
Of the shielded cable
An outer conductor terminal connected to the conductor.
Unshielded terminals are connected to unshielded cables.
Have been. Terminal housing includes a shield terminal insertion holes shield terminals Ru is inserted, unsealed
Non-shielded terminal insertion hole where the terminal is inserted
Has the result shield terminal and unsealed
Terminal is housed inside the terminal housing
Is done. The lead-out terminal is
Terminal, outer conductor terminal and unshielded terminal
It is connected for each null. Connector
The housing has a terminal to accommodate the terminal housing.
Terminal mounting hole, and the terminal mounting hole
A drawer terminal is located.

[0010]

In the connector having the above configuration, the shield terminal and the non-shield terminal are respectively inserted into the shield terminal insertion hole and the non-shield terminal insertion hole of the terminal housing, and the terminal housing is further attached to the terminal of the connector housing. Attached to the hole. Therefore, both shielded and unshielded cables are attached and detached in an integrated state. Moreover, only the shielded cable is shielded at the connector by the shield terminal.

[0011]

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a view showing a configuration of a connector according to the present invention. FIG. 1A is a sectional view showing a state in which a shield terminal 1 and a non-shield terminal 2 are inserted into a terminal housing 3 and FIG. FIG. 1B is a sectional view of the connector housing 4 into which the terminal housing 1 is inserted.

As shown in the figure, this connector has a shield terminal 1 for a shielded cable 5, an unshielded terminal 2 for an unshielded cable 6, and a terminal housing for inserting the shielded terminal 1 and the unshielded terminal 2. 3 and a connector housing 4 to which the terminal housing 3 is attached.

The shield terminal 1 is formed by covering the periphery of a core terminal 7 with an external conductor terminal 9 via an insulating material 8. The core wire terminal 7 is formed by forming the tip of an elongated conductor into a pipe shape and turning a part thereof inward to form a contact portion 7a. The base portion is fixed to the core wire 5a of the shielded cable 5, and is electrically connected. ing.

The external conductor terminal 9 of the shield terminal 1 is formed by combining a pair of box-shaped conductors as shown in the perspective views of FIGS. Is formed with a horizontally elongated hole 9a communicating with the contact portion 7a of the core terminal 7, and the hole 9a
Above the contact part 9 is a part of the conductor folded inside upward.
b is formed. And this outer conductor terminal 9
Is fixed to and electrically connected to the outer conductor 5b of the shielded cable 5.

Further, an engaging recess 1a is formed on the bottom surface of the shield terminal 1, that is, on the bottom surface of the external conductor terminal 9.

The non-shielded terminal 2 is the same as the core terminal 7 of the shield terminal 1, and has a contact portion 2a formed inside a pipe-shaped tip.
However, in the non-shielded terminal 2, an engagement recess 2b is formed on the bottom surface. Terminal housing 3
Is made of a flexible insulating material, and includes a shield terminal insertion hole 10 for inserting the shield terminal 1 and a non-shield terminal insertion hole 11 for inserting the non-shield terminal 2. I have. Each of the insertion holes 10 and 11 is formed from the front surface of the terminal housing 3 to the rear. In the case of the present embodiment, a plurality of upper and lower stages with the non-shielded terminal insertion holes 11 upward are provided. A pair is formed. In addition, these two insertion holes 1
The numbers 0 and 11 are appropriately set according to the number of the shielded cables 5 and the unshielded cables 6 connecting the electronic devices.

Inside the shield terminal insertion hole 10, there is formed an engagement projection 10b which bends in the vertical direction and engages with the engagement recess 1a of the shield terminal 1, and the other non-shield terminal insertion hole. An engagement protrusion 11a that engages with the engagement recess 2b of the non-shield terminal 2 is formed in the interior of the terminal 11.

A notch 3a at the rear end of the terminal housing 3 exposes a contact portion 9b of the shield terminal 1 inserted into the shield terminal insertion hole 10.
And a through hole 3b corresponding to the contact portion 2a of the non-shielded terminal 2 inserted into the non-shielded terminal insertion hole 11
Are formed.

Further, on the upper part of the terminal housing 3, there is provided a locking piece 12 which rises from the front end and extends rearward.
2a is formed.

The connector housing 4 has a terminal mounting hole 13 into which the terminal housing 3 is fitted without any gap, a core wire of the shield terminal 1,
External conductor terminals 7, 9 and unshielded terminal 2
And three types of drawer terminals 14, 1 respectively corresponding to
5 and 16 and is made of an insulating material. The terminal mounting hole 13 is open on the front surface of the connector housing 4. The above shield terminal 1
The lead-out terminals 14 and 16 respectively corresponding to the core terminal 7 and the non-shielded terminal 2 have a rod shape and are provided so as to protrude into the terminal mounting hole 13 from the rear part of the connector housing 4. On the other hand, the drawer terminal 15 corresponding to the outer conductor terminal 9 of the shield terminal 1 has a plate shape as shown in the perspective views of FIGS.
3 is provided along the rear inner surface. The plate-shaped drawer terminal 15 is provided commonly to the external conductor terminals 9 of all the shield terminals 1 inserted into the terminal housing 3 and has a rod-like shape corresponding to the core terminal 7 of the shield terminal 1. A plurality of holes 15a are formed to allow the lead-out terminals 14 to pass through without contact, and leads 15b are connected to the rear surface.

A locking hole 17 for inserting the locking piece 12 of the terminal housing 3 is provided at an upper portion of the connector housing 4.
Inside, a locking recess 17a is formed corresponding to the locking projection 12a of the locking piece 12.

In order to connect the shielded cable 5 and the unshielded cable 6 to the connector having the above configuration, the shielded terminal 1 is attached to the shielded cable 5 and the unshielded terminal 2 is attached to the unshielded cable 6 in advance. Then, the shield terminal 1 and the non-shield terminal 2 are inserted into the shield terminal insertion hole 10 and the non-shield terminal insertion hole 11 of the terminal housing 3, respectively.

At this time, the shield terminal 1 gets over the engagement protrusion 10b by bending the engagement protrusion 10b in the insertion hole 10, and the engagement protrusion 10b further engages with the terminal 1. By engaging with the concave portion 1a, it is locked at a predetermined position in the shield terminal insertion hole 10.
The unshielded terminal 2 gets over the engagement protrusion 11 a in the insertion hole 11 by bending itself, and furthermore, the engagement protrusion 11 a Shield terminal insertion hole 11
It is locked at a predetermined position in the inside. Of course each terminal 1,
2 can be pulled out from each of the insertion holes 10 and 11 of the terminal housing 3.

The terminal housing 3 in which the shield terminal 1 and the non-shield terminal 2 are inserted as described above is connected to the terminal mounting hole 13 of the connector housing 4.
Fit into At this time, the locking piece 12 of the terminal housing 3 is inserted into the locking hole 17 of the connector housing 4 by bending itself downward, and when the terminal housing 3 is completely fitted in the mounting hole 13. Then, the locking projection 12a of the locking piece 12 is engaged with the locking recess 17a in the locking hole 17. As a result, the terminal housing 3 is securely mounted in the terminal mounting hole 13 of the connector housing 4.

At the same time, the connector housing 4
The drawer terminal 14 corresponding to the core terminal 7 is
Through the hole 9 a of the external conductor terminal 9, the contact portion 7 a of the core terminal 7 does not come into contact with the external conductor terminal 9, and the lead terminal 15 corresponding to the external conductor terminal 9 is formed by the cutout 3 a of the terminal housing 3. Contact portion 9 of external conductor terminal 9 exposed from
b. In this way, the outer conductor 5b of the shielded cable and the shield lead 15b of the lead terminal are connected. Furthermore, the drawer terminal 16 corresponding to the non-shielded terminal 2 passes through the through-hole 3b of the terminal housing 3 to form the unshielded terminal 2.
Is in contact with the contact portion 2a.

In order to separate the integrated terminal housing 3 and connector housing 4, the terminal housing 3 may be pulled out.

As described above, the connector according to the present invention comprises:
Corresponding to the shielded cable 5 and the unshielded cable 6, both types of cables 5 and 6 can be attached and detached in an integrated state. Moreover, shield terminal 1
Thus, only the shielded cable 5 can be shielded at the connector portion.

[0029]

As described above, the connector according to the present invention can cope with both types of cables, shielded and unshielded. By using this connector, two types of connectors, a shielded connector and an unshielded connector, are used. This eliminates the need to use the, and it does not require much time for attachment and detachment, which is convenient for maintenance.

Further, only the shielded cable is shielded at the connector portion by using the shield terminal, so that unnecessary shield for the unshielded cable can be omitted.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a connector according to the present invention;
(A) is a sectional view showing a state where a shield terminal and a non-shield terminal are inserted into a terminal housing, and (B) is a sectional view of a connector housing into which the terminal housing is inserted.

FIG. 2 is a perspective view showing an outer conductor terminal of the shield terminal.

FIG. 3 is a perspective view showing a drawer terminal corresponding to an outer conductor terminal of the shield terminal.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Shield terminal 2 Non-shield terminal 3 Terminal housing 4 Connector housing 5 Shield cable 6 Non-shield cable 7 Core terminal 8 Insulation material 9 External conductor terminal 10 Shield terminal insertion hole 11 Non-shield terminal insertion hole 13 Terminal mounting holes 14,15 , 16 drawer terminal

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁶ , DB name) H01R 13/648 H01R 17/00 H01R 23/02

Claims (1)

(57) [Claims] 1. A core connected to a core of a shielded cable.
A line terminal, a periphery of the core wire terminal cover through the insulation material, which is connected to the outer conductor of the shielded cable
An outer conductor terminal, the shield terminal having a non-shield terminal which is connected to the unshielded cable, a shield terminal insertion hole in which the shield terminal is Ru is inserted, non of the unshielded terminals Ru is inserted and a shield terminal insertion hole, the shield terpolymers
House the terminal and the above unshielded terminal
A terminal housing that, the core wire terminals, the outer conductor terminal and the upper <br/> Symbol drawer terminals respectively corresponding to the unshielded coater Mina Le, the terminal mounting holes for accommodating the terminal housing
Having the drawer terminal in the terminal mounting hole.
It comprises a connector housing Le is disposed, and the terminal housing and the connector housing
By connecting the core terminal and the external
Conductor terminal and the above unshielded terminal
Each of them is connected to the corresponding drawer terminal
That, connector.