JPH113753A - Block-type card edge connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card edge connector which is capable of flexibly correspond to various design aspects in limited types of connectors and achieving variation in plural poles. SOLUTION: A plug connection 1 and a receptacle connection 2 in the form of being mutually connected to two sides facing each other of the molding 3 of a card edge connector mainbody 5 are formed in the same direction as the direction for connecting a contact lead 4 (the number of poles being N) to a pin. By slidably connecting the plug connection 1 of one connector to the receptacle connection 2 of the other connector, plural card edge connector main bodies 5 are connected together. In this way, the card edge connector main bodies are connected together and combined in any number, so as to achieve variation with arbitrary number of poles.

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 block type card edge connector for electrically connecting a plurality of electronic circuits constituting a computer, a communication device, and the like.

[0002]

2. Description of the Related Art In a conventional card edge connector, when a plurality of electronic circuit units are electrically connected, an arbitrary number of pins prepared and fixed in advance in accordance with the number of signals of the required interface unit. Card edge connector had to be selected.

In a conventional multiple printed circuit board storage device disclosed in Japanese Patent Application Laid-Open No. 61-48998 shown in FIG. 7, a card rack block 20 is formed by a rack unit 21 and a card edge connector 22 fixed thereto. By connecting these with the connection plate 23, the connector can flexibly correspond to a plurality of substrates.

[0004]

In the conventional card edge connector described above, it is necessary to select a card edge connector having a number of pins corresponding to a required number of signals of the interface section. If a connector with the same number of poles is not prepared, the signal may be forcibly cut off, or a connector with more poles may be selected than necessary. It was easy.

[0005] In addition, it is necessary to develop a dedicated card edge connector with a large number of poles in advance in consideration of various aspects of the pole repertoire of the connector. Capital investment was required and connector productivity was poor.

Further, in the conventional apparatus for accommodating a plurality of printed circuit boards shown in FIG. 7, the connection has to depend on the connection plate, so that the assemblability is complicated and many related parts such as bolts and nuts are required.

An object of the present invention is to provide a block type card edge connector which can flexibly cope with various design situations and realize a plurality of pole number variations among limited types of connectors.

[0008]

SUMMARY OF THE INVENTION A block type card edge connector according to the present invention comprises a connector main body having therein a contact lead forming a plurality of poles, and a connector body having two sides opposite to each other in a molded portion of the connector main body. First and second connecting means having a connectable shape are provided, and are connected by these connecting means to connect an arbitrary number of the connector bodies.

In this block type card edge connector, the first and second connecting means have a substantially convex shape and a substantially concave shape, respectively, and the number of poles of the contact lead of the connector body is arbitrary. .

[0010] The connecting operation direction of the first and second connecting means may be the same as the pin connecting direction of the contact lead, or the connecting operation direction of the first and second connecting means. May be in a direction perpendicular to the pin connection direction of the contact lead.

According to the present invention, in a card edge connector having an arbitrary number of poles, an arbitrary number of connectors are connected to each other by using an interconnecting means, so that a plurality of pole number variations can be obtained by a combination thereof. A block type card edge connector can be realized.

[0012]

Next, the present invention will be described with reference to the drawings.

FIG. 1 is a view showing a first embodiment of a block type card edge connector according to the present invention, wherein (a) is a plan view, (b) is a front view, (c) is a perspective view, and FIG. FIGS. 3A and 3B are a plan view and a front view showing an arbitrary number of connected states.

The block type card edge connector of the first embodiment has a card edge connector main body (hereinafter abbreviated as a connector main body) having a contact lead 4 forming a plurality of poles N in a molded part 3 of the connector. 5 has a connection function that allows the two sides of the mold portion 3 to be connected to each other. The number N of poles of the contact lead 4 of the connector body 5 is an arbitrary number.

A plug connecting portion 1 having a substantially wedge-shaped plug function is provided on two opposite sides of the molded portion 3.
The plug connection part 1 has a substantially concave inverted wedge-shaped receptacle function interconnected with the plug connection part 1 or is provided with a receptacle connection part 2.

The plug connecting portion 1 and the receptacle connecting portion 2 are formed on two sides of the mold portion 3 such that the connecting operation direction using the mutual connecting function is the same as the pin connecting direction of the contact lead 4. You.

In the first embodiment having such a configuration, an arbitrary number of block-type card edge connector bodies 5 are assembled with each other by a connecting means using the plug connecting portion 1 and the receptacle connecting portion 2, and the connecting connection is established. I do. FIG. 2 shows how two connector bodies 5 are connected and connected.

One connector body 5 having an arbitrary number of poles N
The wedge-shaped plug connecting portion 1 provided to face the other connector main body 5 having the same number of poles N is connected to the inverted wedge-shaped receptacle connecting portion 2 provided on the contact lead 4 as shown by an arrow A. Are connected to each other while sliding in the same direction with respect to the pin connection direction.

FIG. 3 shows, as an application example of the first embodiment, a state in which three or more arbitrary (α) connector bodies 5 each having N poles are connected. In this way, N × α poles can be realized by connecting an arbitrary number of one type of connector bodies 5.

FIGS. 4A and 4B are views showing a second embodiment of the block type card edge connector of the present invention, wherein FIG. 4A is a plan view and FIG. 4B is a front view.

In the second embodiment, card edge connectors having different numbers of poles are connected and connected, and the connector body 5 having the number of poles N described in the first embodiment is used.
And the connector body 6 having M poles. The number of poles of the contact lead 6c of the connector body 6 is M
A plug connecting portion 6a and a receptacle connecting portion 6b that can be connected to each other are formed on two opposite sides of the molded portion of the connector body 6 in the same direction as the pin connecting direction of the contact lead 6c.

The shape of the plug connecting portion 6a and the shape of the receptacle connecting portion 6b are both substantially convex and substantially wedge-shaped, so that they can be connected to each other, and the plug connecting portion 6a is connected to the receptacle connecting portion of the connector body 5. Part 2
In addition, the receptacle connecting portion 6b can be connected to the plug connecting portion 1 of the connector main body 5, respectively.

According to such a configuration, card edge connectors having different numbers of poles can be connected to each other.
In the example shown in FIG. 4, the connector body 5 having the number of poles N and the connector body 6 having the number of poles M are connected and connected one by one, thereby realizing the number of poles of N + M. In a further expansion, when α connector bodies 5 and β connector bodies 6 are connected and connected, the number of poles of Nα + Mβ can be obtained.

FIG. 5 shows the first and second connection states in the above-described connected state.
It is a perspective view which shows the mounting situation to the printed circuit board of the card edge connector of embodiment.

An arbitrary number of connector bodies 5 and 6 connected, a printed circuit board 7 having the same multi-pole through-holes 7a as connected, and a printed board 8 having the same multi-pole terminals 8a. There is. The connected connector body 5 or 6 is connected to its contact lead 4
Is inserted and connected to the through hole 7a and mounted on the printed circuit board 7. By connecting the terminal 8a to the connector body 5 or 6 from the opening opposite to the contact lead 4, the printed circuit board 8 and the printed circuit board 7 are connected via the connector body 5 or 6 connected and connected. .

FIGS. 6A and 6B are views showing a third embodiment of the block type card edge connector of the present invention, wherein FIG. 6A is a plan view, FIG. 6B is a front view, and FIG. It is. The third embodiment is different from the first and second embodiments in that the connecting operation direction is changed.

That is, as shown in FIGS. 6A and 6B, two opposite sides of the molded portion 13 of the connector body 10 are
A substantially convex wedge-shaped plug connecting portion 11 and a substantially concave inverted wedge-shaped receptacle connecting portion 12 interconnecting with the plug connecting portion 11 are provided. These plug connecting portion 11 and receptacle connecting portion 12 are provided. The mold part 13 is arranged such that the connection operation direction using the interconnection function is perpendicular to the pin connection direction of the contact lead 14.
Are formed on two sides.

The two connector bodies 10 having such a configuration are connected and connected as shown in FIG. 6 (c). That is, one plug connecting part 11 is connected to the other receptacle connecting part 12.
Then, as shown by an arrow B, the contact leads 14 are connected to each other while sliding in a direction perpendicular to the pin connection direction.

In the example of the third embodiment shown in FIG.
Although the number of poles of the connector bodies 10 is the same, the configuration of the third embodiment is applied to connector bodies having different numbers of poles as in the second embodiment, and the connector bodies 10 are connected to each other. Good.

As described above, according to the third embodiment, it is possible to flexibly cope with a change in the shape of the connecting portion or the connecting method according to the use, restrictions, dimensional tolerances, and the like in which the card edge connector is used.

In each of the above-described embodiments, the shapes of the plug connecting portion and the receptacle connecting portion, which are connecting means that can be connected to each other, are exemplified by substantially convex and substantially concave wedge shapes. Instead, any other shape that can be interconnected may be used.

[0032]

As described above, according to the present invention, an arbitrary number of card edge connectors can be connected by providing a structure for connecting and connecting the connectors to two opposite sides of the mold portion provided in the connector body. Become. This connection function has an effect that if a plurality of types of card edge connectors having an arbitrary number of poles are prepared, a plurality of pole number variations can be realized by a combination thereof.

In the connector manufacturing phase, it is not necessary to develop a dedicated card edge connector having a large number of poles in advance, so that capital investment is minimized and the productivity of the connector is improved.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of a block type card edge connector according to the present invention, wherein (a) is a plan view, (b) is a front view, and (c) is a perspective view.

FIG. 2 is a front view showing a connecting operation according to the first embodiment of the present invention.

FIG. 3 illustrates a card edge connector (N) according to the first embodiment;
(A) is a plan view showing an arbitrary number of connected states of (poles), and (b)
Is a front view.

FIG. 4A is a plan view and FIG. 4B is a front view showing a connection state of block type card edge connectors having different numbers of poles according to the second embodiment of the present invention.

FIG. 5 is a perspective view showing a situation where the card edge connector according to the embodiment of the present invention is mounted on a printed circuit board.

6 (a) is a plan view, FIG. 6 (b) is a front view, and FIG. 6 (c) is a plan view showing a side connection operation of a block type card edge connector according to a third embodiment of the present invention.

FIG. 7 is an exploded perspective view showing a conventional connection type card edge connector.

[Explanation of symbols]

 1, 6a, 11 Plug connection part 2, 6b, 12 Receptacle connection part 3, 13 Mold part 4, 6c, 14 Contact lead 5 Card edge connector main body (N pole) 6 Card edge connector main body (M pole) 7, 8 Print Board 7a Through hole 8a Terminal 10 Card edge connector body

Claims (5)

[Claims] 1. A connector main body having therein a contact lead forming a plurality of poles, and first and second connecting means having a shape connectable to two opposite sides of a molded portion of the connector main body. And an arbitrary number of the connector bodies are connected to each other by means of these connecting means. 2. A block type card edge connector according to claim 1, wherein said first and second connecting means have a substantially convex shape and a substantially concave shape, respectively. 3. The block type card edge connector according to claim 1, wherein the number of poles of the contact lead of the connector main body is an arbitrary number. 4. The block card according to claim 1, wherein a connecting operation direction of the first and second connecting means is the same as a pin connecting direction of the contact lead. Edge connector. 5. The block type according to claim 1, wherein a connecting operation direction of said first and second connecting means is perpendicular to a pin connecting direction of said contact lead. Card edge connector.