JP2549255Y2 - Structure of uninterrupted jack - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the electrical connection of a circuit on an existing printed circuit board when a new printed circuit board is connected to an existing printed circuit board mounted on electronic equipment such as communication equipment and OA equipment. The present invention relates to an improvement of an instantaneous interruption jack that prevents an instantaneous interruption of a state.

[0002]

2. Description of the Related Art A printed circuit board mounted on an electronic device such as a communication device and an OA device has a connector for adding a substrate, and two sets of terminals, IN and OUT, are elastically provided inside the connector. The plurality of circuits on the substrate are kept in a closed state by being pressed against each other. If another circuit is to be inserted between the plurality of circuits on the board, a warning is given in advance that the circuit will be temporarily turned off by designating the date and time of the extension work, or an electrical connection between the circuits will be made. It is necessary to connect a new printed circuit board for expansion to a connector of an existing board using a non-interruptible jack for connection without instantaneous interruption of the state. The former method may not be adopted depending on the type of the target device or its use, and in this case, the instantaneous interruption jack is used.

FIG. 3 shows an uninterruptible jack 3 with a cable for connecting an additional printed circuit board 2 to an existing printed circuit board 1.
The jack 3 has a configuration in which a normal plug 5 is connected to one end of a cable 4 and a non-interruptible plug 6 is connected to the other end. While the normal plug 5 is connected to the connector 2a of the extension board 2, the uninterruptible plug 6 is connected to the connector 1a of the existing board 1.
The circuit on the extension board can be inserted between the two sets of terminals in the connector 1a without causing an instantaneous interruption. This non-interruptible plug 6 is a thin plate (having a conductor pattern) for inserting an additional circuit while maintaining the electrical connection between the two groups when the two groups of terminals in the connector 1a are pressed into each other. Provided).

However, the conventional hitless jack with cable has a problem that the number of components is large, the installation space is increased by the length of the cable, and crosstalk is easily generated by the length of the cable. Also, the connection work was complicated.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above, and has eliminated the need for cables for connecting printed circuit boards, thereby reducing installation space and crosstalk, and enabling one-touch connection. The purpose is to provide uninterrupted jacks.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an instantaneous interruption jack for instantaneously connecting connectors provided at the edges of a plurality of printed circuit boards arranged in parallel at a predetermined interval. The uninterruptible jack includes a casing which can be simultaneously fitted to each connector at an opening, and a plurality of plug terminal plates protruding from the inner bottom of the casing toward the opening. Is composed of a thin insulating plate and conductor patterns formed on both sides of the insulating plate, the conductor pattern on one plug terminal plate is connected to the conductor pattern on the other plug terminal plate, and the interval between the plug terminal plates is It is characterized in that it matches the interval between terminals inside each of the connectors.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a jack according to the present invention; FIG.
(a) is an external view showing a state in which an extension board is connected to an existing printed board using the instantaneous interruption jack of the present invention. In this embodiment, a digital signal processor (DS) is shown.
A printed circuit board for constructing a dedicated line in P) is assumed. When the extension board 12 is connected to the extension connector 11 provided on the existing board 10 in FIG.
The instantaneous interruption connection is completed by connecting the instantaneous interruption jack 15 of the present invention to the extension connector 11 and the connector 13 of the extension board 12 at the same time.

FIG. 1 (b) is an explanatory view of a main part of the hitless jack 15 according to the present invention. The hitless jack 15 is provided inside a box-shaped casing 16 made of resin or the like with one opening.
It has a configuration in which a plurality of plug terminal plates 20, 21 are projected in parallel. The plug terminal plates 20 and 21 are formed by bending a single insulating plate 22 into a U-shape as shown in FIG.
The interval l (ell) is determined by the terminals 16a, 16a inside the connectors 11, 13 provided at the edges of the adjacent substrates 10, 12, respectively.
16b, 17a, and 17b, the plug terminal plate 2
0 and 21 are set so that press-fitting can be performed simultaneously. Therefore, the connector 1 of the existing board and the board 1 to be added
2 in advance according to the arrangement interval between the terminal board 2 and the connector 13.
By appropriately setting the interval between 0 and 21, it is possible to simultaneously press-fit the terminal boards 20 and 21 to the connectors 11 and 13.

As shown in FIG. 1 (c), the plug terminal plates 20 and 21 are formed on both sides of the insulating plate 22 in the form of narrow strip-shaped conductor patterns 2.
3 and 24 are wired, and a terminal 16
a and 16b and between 17a and 17b
At the same time (or immediately before the press-fitting) of the 0s and 21s, the ends of the conductor patterns 23 and 24 are electrically connected to the respective terminals without any interruption. In addition, one terminal 16a, 17a of each connector 11, 13 is IN, and the other terminal 16b, 1
When 7b is OUT, each plug terminal plate 20, 2
1, the conductor patterns 23, 23 on one side are IN, and the conductor patterns 24, 24 on the other side are OUT. In this case, as shown in FIG. 2, for example, as shown in FIG. 2, an IN conductor pattern 23 is formed on the outer surface of one terminal plate 20 and an inner surface of the other terminal plate 21, and through holes 26 formed in the insulating plate 22 are formed. This is done by connecting the two conductor patterns 23, 23 via the. OUT conductor patterns 24, 24
The wiring is performed by the same method.

[0010] Both boards 1 by the instantaneous interruption jack of the present invention.
The operation for connecting 0, 12 is simply the operation of both connectors 11,
It is sufficient to mount the instantaneous interruption jack 15 so that the plug terminal boards 20 and 21 are simultaneously press-fitted into the plug 13 at the same time. Also, since there is no cable, installation space and crosstalk can be reduced.

Although not specifically shown in this embodiment,
A projection for accurately guiding the fitting between the casing 16 and each of the connectors 11 and 13 and a guide groove may be provided on both of them. In the above description, an example is shown in which instantaneous disconnection connection is made between two connectors. However, the present invention can be modified and applied to a case where instantaneous interruption connection is made between three or more connectors. Further, the present invention can be applied not only to the case where connectors provided on adjacent substrates are connected but also to the case where non-adjacent substrates are connected.

[0012]

As described above, the instantaneous interruption jack according to the present invention has the plug terminal plates which are set in advance in accordance with the arrangement intervals of the connector portions provided on the existing board and the extension board. The two substrates can be connected instantaneously by one-touch operation.

[Brief description of the drawings]

FIG. 1 (a) is an external view showing a state in which an extension board is connected to an existing printed board using the instantaneous interruption jack of the present invention.
(b) is a sectional view showing the internal configuration of the instantaneous interruption jack and each connector, and (c) is a perspective view of a plug terminal plate.

FIG. 2 is an explanatory diagram of a specific configuration of a plug terminal plate.

FIG. 3 is an explanatory diagram of a conventional example.

[Explanation of symbols]

10 ... existing board, 11 ... extension connector, 12
... Expansion connector, 13 ... Connector, 15 ...
Instantaneous interruption jack, 16 ... casing, 16a, 16
b ... terminal, 17a, 17b ... terminal, 20, 21
... Terminal plate, 22 ... Insulating plate, 23, 24 ... Conductor pattern

Continuation of the front page (56) References JP-A-1-18781 (JP, A) JP-A-61-156190 (JP, U) JP-A-51-140483 (JP, U) JP-A-58-165988 (JP, A) , U) Japanese Utility Model Showa 57-89287 (JP, U) Japanese Utility Model Application Hei 3-50730 (JP, U)

Claims (1)

(57) [Scope of request for utility model registration] An instantaneous interruption jack for instantaneously connecting connectors provided at the edges of a plurality of printed circuit boards arranged in parallel at a predetermined interval, wherein the instantaneous interruption jack has an opening. And a plurality of plug terminal plates protruding from the inner bottom of the casing toward the opening. Each plug terminal plate has a thin insulating plate and both surfaces of the insulating plate. The conductor pattern on one plug terminal plate is connected to the conductor pattern on the other plug terminal plate, and the interval between the plug terminal plates is the same as the interval between terminals inside each connector. The structure of the hitless jack that is characterized by matching.