JPH0727787B2 - Multi-contact connector - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a connector provided at a printed wiring board mutual or an electrical connection portion between a printed wiring board and a flat cable, and particularly, it has a large number of contacts. The present invention relates to a connector having a structure in which it is arranged in several rows.

《Prior art》 In this type of conventional connector, the direction of the contact and the protruding direction of the pin that fixes the connector are constant, so that the direction in which the cable to be connected and the direction in which the printed wiring board is mounted are different. It was fixed on one side, and when changing the direction, it was necessary to change the mounting direction of the connector using an adapter or a bracket.

<< Problems to be Solved by the Invention >> With the downsizing of electronic devices, there is a strong demand for downsizing of parts and reduction of space required for wiring and connection between units.

However, in the conventional connector, when the mounting direction of the mating cable or printed wiring board does not match the contact direction of the connector, change the contact direction using an adapter or bracket or bend the cable. However, there is a problem with any structure that goes against the request for space saving.

The structure that uses adapters and brackets increases the number of parts and the number of assembly steps, and the structure that bends the cable deteriorates the cable due to excessive stress on the insulation coating of the cable and operability at the time of connector insertion There was a problem such as the decrease of the.

On the other hand, as a plug for a power cable, a plug whose housing can be bent is known. However, when such a plug is used for a flat cable plug having a large number of contacts, the contact direction is not stable, which causes a problem that a thin contact may be bent when the plug is inserted and removed.

An object of the present invention is to obtain a connector that solves these problems, and it is possible to easily change the direction of the contact with respect to the direction of the pin that fixes the connector, that is, the insertion / removal direction of the mating connector, and ensure the changed direction. The problem is to obtain a connector that can be fixed to.

<< Means for Solving the Problems >> A multi-contact connector 2 of the present invention is a contact housing 5 for holding a large number of contacts 3 for contacting / separating a housing of a connector with contacts of a mating connector, fixing the connector, and a circuit. It is divided into a pin housing 6 holding the lead pins 4 for connection, and the contact housing 5 and the pin housing 6 are rotated around an axis 7 parallel to the longitudinal direction of the arrangement of the contacts 3 ,. The moving angle can be fixed and is inseparably connected. Each of the contacts 3 ... And the lead pin 4
... and flexible conductor wires with a margin in the length dimension
10 and 12 are connected.

As a structure in which the contact housing 5 and the pin housing 6 can be rotated and their rotation angles can be fixed and cannot be separated, the shaft rod 20 pivotally attaching the housings 5 and 6 can be slightly moved in the axial direction. And a spring 19 for urging the same in one direction, and both ends of the shaft rod 20 and the housing 5,
A pair of fittings having a polygonal diameter between the opposite ends of 6 and 20.
A structure in which a, 25 and 21, 24 are formed, and the rod 20 is moved in the axial direction to release the fitting of one of the fitting pairs is adopted.

<< Operation >> The connector housing having the above structure can be mounted in the same manner as a conventional connector by fixing the two housings 5 and 6 with the contact housing 5 and the pin housing 6 in the same direction. This can be done without increasing the number of parts and man-hours at the time of mounting.

On the other hand, when it is desired to insert or pull out the cable or the mating printed board in different directions, the shaft rod 20 is pushed in the direction opposite to the urging direction of the spring 19 to move the pin housing 6 and the contact housing 5 together.
The contact housing 5 may be oriented in a desired direction by unfixing and rotating the contact housing 5, and the contact housing 5 may be fixed in that direction. At this time, the contact housing 5 is
Since the 20a, 25 and 21, 24 are securely held in the directed direction, the contact housing 5 unnecessarily rotates when inserting or removing the cable or the printed wiring board from the connector, which deteriorates the operability. It is possible to surely avoid the risk of damage to the contacts.

<< Embodiment >> FIG. 1 is a view showing the outer appearance of an embodiment of the connector of the present invention. 1 is a printed wiring board, 2 is the connector of the present invention, and 3 is a connector.
... are contacts, 4 ... are lead pins, 5 are contacts 3 ...
· Contact housing holding, 6 is lead pin 4 ·
.. is a pin housing holding 7 and 7 is a central axis of rotation of the contact housing 5 and the pin housing 6. The connector 2 is fixed by soldering the lead pins 4 ... To the wiring pattern of the printed wiring board 1, and the contacts 3 ...
A flat cable or another printed wiring board is connected to the side through a mating connector (not shown).

2 and 3 show contact points 3 ... and lead pins 4.
.. shows an example of the connection structure between the base ends. The one shown in FIG. 2 is one in which the base end of the contact 3 and the base end of the lead pin 4 are connected by a flexible thin twisted wire 10, and the twisted wire 10, the contact 3 and the lead pin 4 are soldered 11 etc. Connected by. Also, in FIG. 3, the base end of the contact 3 and the base end of the lead pin 4 are connected by the coiled conductor 12, and the coiled conductor 12, contact 3 and lead pin 4 are the same as those in FIG. It is connected by soldering 11 or the like. Stranded wire
Both ends of the 10 and the coil-shaped conductor 12 are soldered to the contacts 3 and the lead pins 4 with a margin in the lengthwise direction, and the flexibility of the stranded wire 10 and the coil-shaped conductor 12 is utilized to make contact. The electrical connection between the contacts 3 ... And the lead pins 4 ... Is ensured when the housing 5 rotates with respect to the pin housing 6.

The contact housing 5 and the pin housing 6 are pivotally attached by a straight pin at one end (front side in FIG. 1) and at the other end (back side in FIG. 1) as shown in FIGS. 4 and 5. In the structure shown, the two housings 5 and 6 are connected so that they can rotate and the rotation angle can be fixed.

In FIGS. 4 and 5, reference numeral 20 denotes a shaft rod for pivotally connecting both housings, and in this example, a bolt having an octagonal head 20a is used. Although FIGS. 4 and 5 are shown in an exploded state, an octagonal nut 21 is fastened to the tip of the bolt 20. The bolt 20 is fitted in one end of the contact housing 5 and pivot support holes 22 and 23 of the same diameter and concentricity formed in the bracket 17 of the pin housing so as to be movable in the axial direction.
19 is the one shown in FIG. 4 in the direction in which the screw head 20a
The illustrated one is biased in the direction in which the screw head 20a projects.

24 and 25 are octagonal fitting holes provided in the end of the contact housing 5 and the bracket 17 of the pin housing, and 26 is a fitting hole 24.
Alternatively, it is an escape hole having a larger diameter than the fitting holes 24 and 25 provided adjacent to 25. In the normal state, the octagonal head 20a of the bolt 20 and the octagonal nut 21 are fitted in the octagonal fitting holes 25 and 24, respectively, so that the contact housing 5 and the pin housing 6 are prevented from rotating. In FIG. 4, the octagonal head 20a enters the escape hole 26 by pulling out the bolt 20, and in FIG. 5, the nut 21 enters the escape hole 26 by pushing in the bolt 20 and the contact housing 5 rotates. Be free to move. If the pulling out or pushing force of the bolt 20 is released, the bolt 20 will
It returns by the force of 19 and the rotation angle of the contact housing 5 is fixed.

Of course, the shapes of the bolt head 20a and the nut 21 at both ends of the bolt 20 can be made into a dodecagonal shape or a hexagonal shape so that the turning angle can be selected more finely.

<< Effects of the Invention >> According to the structure of the present invention described above, the connector can be mounted on the printed wiring board in the same manner as the conventional connector, and the contact after mounting can be oriented in a desired direction. In addition, it is possible to obtain a connector in which the direction of the contacts can be reliably fixed and the direction of the contacts can be changed by a simple operation when necessary. Therefore,
It is possible to provide a connector that does not occupy a mounting space, is easy to insert and remove, and does not cause the connector to rotate during insertion and removal to damage the contacts.

[Brief description of drawings]

FIG. 1 is a perspective view of a connector of the present invention, and FIGS. 2 and 3 are perspective views partially showing a connecting structure of a contact and a base end of a lead pin. 4 and 5 are cross-sectional views showing a connecting structure of the contact housing and the pin housing. In the figure, 2: Connector, 3: Contact, 5: Contact housing 6: Pin housing, 7: Pivot center axis, 19: Spring 20: Bolt, 21: Nut, 20a, 25: Fitting pair 21,24: Fitting Meeting

Claims (1)

[Claims] 1. A contact housing (5) in which a connector housing holds a large number of contacts (3) that come into contact with and separate from a contact of a mating connector, and a pin which holds a large number of lead pins (4) for fixing the connector and circuit connection. The contact housing (5) and the pin housing (6) are formed separately in the housing (6), and the contact rod (5) and the pin housing (6) are parallel to the longitudinal direction of the contacts (3).
0) is pivotally connected, and this shaft rod is slightly movable in the axial direction and is urged in one direction, and is connected to both ends of the shaft rod (20) and both ends of the housings (5) and (6). Polygonal fitting pairs (20a, 25) and (21, 24), one of which is engaged and disengaged by the axial movement of the shaft rod (20), are formed between the contact points (3). ) And lead pins (4)
And each of the flexible conductors (10,1
2) A multi-contact connector characterized by being electrically connected via.