JPH07263090A - Zif connector - Google Patents

Abstract

PURPOSE:To provide a ZIF connector with a shield plate capable of having shield structure and moreover simple structure. CONSTITUTION:Notched parts 15a are formed on the connection side end part of the first shield plate 15 of a socket side connector 1. Connecting pieces 71, positioned in the notched parts 15a when both of the connector 1 and a connector 5 are fitted and contacting the first shield plate 15 when both the connectors 1 and 5 are relatively moved in the longitudinal directions of them, are provided on the connection sides of the second shield plates 70 of the pin side connector 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly to a connector having a shield plate in a ZIF (zero insertion force) connector which is fitted and connected to each other by moving in the connector longitudinal direction. .

[0002]

2. Description of the Related Art As a conventional connector having a built-in shield plate, there has been one that does not have a ZIF structure as shown in FIGS. 11 and 12, for example. That is, in the insulator 91 of the pin side connector 90, for example,
The pin contacts 93 are arranged in two rows, and a shield plate 95 having a flat plate portion is provided between the rows of pin contacts 93 to shield the pin contact rows. Further, an insulator 101 of the socket-side connector 100 fixedly holds a socket contact 103 which is fitted and connected to a pin contact 93, and the socket contact 103 also has two rows corresponding to the pin contact row. Then, even between the socket contact rows arranged in these two rows, both connectors 90, 100 are provided.
A shield plate 105 that is connected to the shield plate 95 of the pin side connector 90 at the time of mating connection is provided.

The shield plate 105 of the socket-side connector 100 has a spring portion 10 extending in the connector fitting direction.
6 and the shield plates 105 are arranged so as to face each other, the shield plate 95 of the pin side connector 90 is connected by the spring portion 106 at the time of connector fitting connection.
It was intended to connect by sandwiching.

[0004]

However, if the connector incorporating the shield plates 95 and 105 having the above-mentioned connection structure is applied to the ZIF connector, a large force is required when inserting and removing the shield plates, and the ZIF connector is required. However, the shield structure cannot be directly applied to the ZIF connector.

Therefore, an object of the present invention is to provide a ZIF connector having a shield plate which can have a shield structure even in the case of a ZIF connector and is structurally simple.

[0006]

According to the present invention, one connector and the other connector are moved relative to each other in the longitudinal direction of the connector to fit and connect the two connectors.
In the connector, the insulators of the both connectors are provided with shield plates that are connected to each other, and a cutout portion is provided at an end portion of the first shield plate of the one connector that is connected to the counterpart shield plate. One end of the second shield plate of the other connector is integrally connected to the main body of the second shield plate, and the other end of the second shield plate is connected to the counterpart shield plate. A connection piece is formed which has a free end extending in the connector movement direction, and is eccentric in the plate thickness direction of the second shield plate body and imparted with a spring property in the plate thickness direction. Further, a contact portion bent in a direction opposite to the eccentric direction is formed at the tip of the connecting piece, and the other connector is moved at the time of fitting connection movement of the both connectors. The connection piece of the second shield plate is configured to move relatively from the cutout portion of the first shield plate of the one connector and press-contact with the main body of the first shield plate through the contact point. A ZIF connector is obtained which is characterized in that

[0007]

According to the present invention having the above-described structure, the contacts of both connectors are connected to each other during the fitting and connection movement of both connectors, and the contact portion formed on the connection piece of the second shield plate of the other connector. Moves from the notch formed in the first shield plate of one of the connectors toward the first shield plate body, presses and contacts the first shield plate, and connects both shield plates together. be able to.

Further, a plurality of cutout portions formed on the first shield plate of one connector are formed at predetermined intervals in the longitudinal direction of the connector, and are formed on the second shield plate of the other connector. If a plurality of connecting pieces are provided at predetermined intervals corresponding to the cutout portions of the first shield plate, and the eccentric directions in the plate thickness direction of the connecting pieces are formed alternately, The first shield plate can be sandwiched by the connecting pieces alternately arranged on the second shield plate, the connection between both shield plates can be ensured, and further when connecting both connectors. The direction of the force of the connecting piece at is alternated, so that the force received by the first shield plate is balanced.

[0009]

Embodiments of the present invention will now be described with reference to the accompanying drawings.

FIG. 1 is a perspective view of a socket side connector of a ZIF connector according to an embodiment of the present invention, (a) is an exploded perspective view of components, and (b) is a side view as seen from a mating side with a pin side connector. FIG. 2 is an exploded perspective view, and FIG. 2 is an explanatory view showing an assembled state of the socket side connector.

As shown in FIGS. 1 and 2, a contact insertion hole 11 is formed in the insulator 10 of the socket side connector 1, and the contact insertion end 11 has a bifurcated end on the connection side. Formed socket contact 1
3 is inserted. The socket contacts 13 are provided at predetermined intervals in the longitudinal direction, and in this embodiment, they are configured to have four contact rows.

The first shield plate 15 provided on the socket-side connector 1 has a flat plate shape, and a predetermined distance is provided on the end face of the pin-side connector, which will be described later, on the side of connection with the second shield plate 70. The cutout portion 15a is formed. The number of the cutout portions 15a may be one, but a plurality thereof may be formed at predetermined intervals as shown in FIG. Notch 15 of the first shield plate 15
On both end sides of the end surface opposite to the end surface on which a is formed, a solder connecting portion 15b for connecting the first shield plate 15 and a substrate (not shown) and a first shield plate 15 are provided to the insulator 11 Press-fitting part 1 for holding
5c are formed. The press-fitting portion 15c is provided with a slit 12 formed in the insulator 11 and long in the longitudinal direction.
The first shield plate 15 is held by the insulator 11 by being press-fitted in (two places in the figure).
In the illustrated example, there are four contact rows, and the first shield plate 15 is arranged at the center to separate the contact rows into two rows.

A fitting recess 19 for fitting with the housing 55 of the pin side connector 5 is formed on the fitting side of the socket side connector 1 with the pin side connector 5 described later.

Next, as shown in FIG. 3, in the pin side connector 5, the insulator 51, which is a base member for fixing and holding the pin contact 60, the locator 53 for holding the pin contact 60 in alignment, and the pin side connector 1 are fitted. A housing 55 that fits into the fitting recess 19, and a second member that is fixedly held by the insulator 51 at the center of the pin contact row.
The shield plate 70 of FIG. Insulator 51
Slides in the longitudinal direction (left-right direction in FIG. 3A) relative to the housing 55 when the connector is fitted and connected. Each pin contact 60 is connected to each cable 80 at the connection portion 61.

The second shield plate 70 described above is
As shown in FIG. 4, it has a flat plate shape, and a bent tongue-shaped connecting piece 71 is provided at the upper end and extends in parallel with the upper end surface of the main body 70a. This connecting piece 71 is shown in FIG.
As shown in (e) and (f), the second shield plate main body 70a is formed so as to project from the plate thickness surface in the plate thickness direction, and the protrusions in the plate thickness direction alternate. Made of The connection piece 71 has a spring property imparting portion 71a, and its tip end portion 70b is a free end. The tip portion 71b of the connecting piece 71 is bent toward the second shield plate body 70a, and this portion contacts the side surface of the first shield plate 15 when the connector is fitted and connected. Made of contact points. The connecting piece 71
4B so as to extend in a direction opposite to the moving direction for connecting the insulator 51 described later.
Although it is formed so as to face left in (d),
On the contrary, it may be configured to extend rightward.

On both sides of the second shield plate 70, two contact portions 73 for making conductive contact with a predetermined pin contact 60 are punched out. These contact portions 73 are, as shown in FIG.
It is bent so as to project outward from the plate surface in opposite directions. The contact portion 73 is provided with springiness at its shoulder portion 73a, and as a result, as shown in FIG.
The tip portion 73b of the contact portion 73 elastically contacts the side surface 64 of the pin contact 60. Therefore, of the pin contacts 60, the pin contact 60 connected to the second shield plate 70 serves as a shield contact and is electrically connected to the corresponding socket contact 13 of the socket side connector 1. Needless to say, such a contact portion 73 may be formed as needed and is not an essential component of the present invention.

FIG. 6 is a perspective view showing a disassembled state of the pin side connector 5, and shows a lever 83 for performing a moving operation of an insulator 51 described later. The lever 83 is accommodated in the lever 51 and the lever accommodating portions 85 and 87 of the housing 55.
Rollers 86 inserted into shaft holes 85a and 87a formed in the shafts 5 and 87 are configured to move within the cam surface 83a. That is, the lever 83, the cam surface 83a and the shaft hole 85
The a and 87a are related to each other such that the insulator 51 is moved in the longitudinal direction with respect to the housing 55 by operating the lever 83.

7 to 8 are explanatory views when the insulator 51 of the pin side connector 5 moves along the longitudinal direction with respect to the housing 55, and when the lever 83 is on the left side in the state of FIG. It ’s when you ’re out
As shown in FIG. 8, when the housing 55 is fixed and the lever 83 is moved to the right, the insulator 51 is moved to the right. That is, the state shown in FIG. 8 is the posture position when the pin contact 60 of the pin side connector 5 is pressed into contact with the socket contact 13 of the socket side connector 1 during fitting with the socket side connector 1.

That is, when the socket side connector 1 is fitted into the pin side connector 5, the pin contacts 60 of the pin side connector 5 are in a state of being aligned in an upright state by the locator 53. That is, the pin contact 60 is
In this upright state, the socket contact 13 of the socket connector 5 is inserted into the two crotch portions without requiring insertion force.

FIG. 9 shows a state immediately after the socket side connector 1 is fitted into the pin side connector 5, and the relationship between the insulator 51 of the pin side connector 5 and the housing 55 is as shown in FIG. It is the same as the socket side connector 1 not shown in the figure). Then, as described above, the lever 83 is operated to move the insulator 51 relative to the housing 55 in one longitudinal direction (rightward in FIG. 9). That is, at the time of fitting with the socket side connector 1, the insulator 51 is moved to a state as shown in FIG. 8 (FIG. 8 is shown in a state where the socket side connector 1 is not fitted). Then, as shown in FIG. 10, the fixing portion 65 of the pin contact 60 provided on the pin side connector 5 on the insulator 51 side moves to the right, and the pin contact 60 bends, like the normal ZIF connector. The tips are brought into pressure contact with the socket contacts 13 and the mutual connection is completed.

By the way, when the socket side connector 1 and the pin side connector 5 are fitted together, the tip portion 71 of the connecting piece 71 of the second shield plate 70 of the pin side connector 5 is connected.
b is the first shield plate 1 of the socket-side connector 1
Although it is located in the notch 15a of No. 5, the tip portion (contact point) 71b of the connection piece 71 comes into contact with the first shield plate 15 as the insulator 51 moves.
Both shield plates 15 and 70 are connected to each other.

[0022]

According to the present invention described above, since the shield plate is built-in, it is possible to obtain a ZIF connector having excellent transmission characteristics of high transmission signals, and further, to connect the shield plates of both connectors with each other. Even when detached, a large operation force is not required, so that the performance of the ZIF connector is not impaired.

[Brief description of drawings]

FIG. 1 is a perspective view of a socket-side connector of a ZIF connector according to an embodiment of the present invention, FIG.
(B) is an exploded perspective view seen from the fitting side with the pin side connector.

2A and 2B are explanatory views showing an assembled state of the socket side connector shown in FIG. 1, in which FIG. 2A is a partial plan view, FIG. 2B is a partial vertical sectional view, and FIG. ) Is a partial bottom view,
(E) is a vertical cross-sectional view showing a mounting state of the shield plate.

FIG. 3 is a sectional view of a pin side connector of a ZIF connector according to an embodiment of the present invention, in which (a) is a partial longitudinal sectional view;
(B) is a cross-sectional view.

4A and 4B are explanatory views showing a second shield plate used for the pin side connector shown in FIG. 3, in which FIG. 4A is a plan view, FIG. 4B is a front view, and FIG. FIG. 3D is a front partial enlarged view, FIG. 6E is a plan partial enlarged view, and FIG.

5 is a cross-sectional view of the pin-side connector shown in FIG.

6 is an exploded perspective view of the pin-side connector shown in FIG.

FIG. 7 is an external perspective view showing an operating state of the pin side connector shown in FIG.

8 is an external perspective view showing an operating state of the pin side connector shown in FIG.

FIG. 9 is a partial vertical cross-sectional view showing a state when the socket-side connector and the pin-side connector shown in FIGS. 1 and 3 are fitted together.

FIG. 10 is a partial vertical cross-sectional view showing a state when the contacts of the socket side connector and the pin side connector shown in FIGS. 1 and 3 are connected.

FIG. 11 is an exploded perspective view showing an example of a conventional pin side connector.

FIG. 12 is an exploded perspective view showing an example of a conventional socket-side connector.

[Explanation of symbols]

 1 Socket-side Connector 5 Pin-side Connector 10 Insulator 15 First Shield Plate 15a Notch 51 Insulator 70 Second Shield Plate 70a Second Shield Plate Main Body 71 Connection Piece 71a Resilient Part 71b Tip (Contact Point)

Claims (3)

[Claims] 1. A ZIF connector in which one connector and the other connector are moved relative to each other in the longitudinal direction of the connector so as to be fitted and connected to each other, and a shield which is connected to an insulator of each of the connectors. A plate is provided, a notch is formed at an end portion of the first shield plate of the one connector that is connected to the counterpart shield plate, and a second shield plate of the other connector is provided. One end is integrally connected to the main body of the second shield plate and the other end is a free end extending in the connector moving direction, on the side of connection with the counterpart shield plate. Further, a connection piece is formed which is eccentric in the plate thickness direction of the second shield plate body and has a spring property in the plate thickness direction, and further, the connection piece. A contact portion bent in a direction opposite to the eccentric direction is formed at the tip of the connector, and the connecting piece of the second shield plate of the other connector when the fitting connection of the both connectors moves. A ZIF connector, wherein the ZIF connector is configured to move relatively from a cutout portion of the first shield plate of one of the connectors and press-contact with the main body of the first shield plate through the contact point. 2. A plurality of cutout portions formed in the first shield plate of the one connector are formed at a predetermined interval in the connector longitudinal direction, and a second notch portion of the other connector is formed. A plurality of the connection pieces formed on the shield plate are provided at predetermined intervals corresponding to the cutout portions, and are formed such that the eccentric directions of the connection pieces in the plate thickness direction alternate. The ZIF connector according to claim 1, wherein the ZIF connector is provided. 3. The second shield plate of the other connector is provided with a contact portion that comes into contact with a contact provided in the other connector. ZIF connector.