JPH0831499A - Connector - Google Patents

Abstract

PURPOSE:To facilitate and quicken a casing mounting works for a connector by placing a plurality of connectors in connection beforehand so as to make them in one connector and mounting it on a casing. CONSTITUTION:A projecting beam 11 of a connection part 10 of one connector housing 1 is inserted in an engagement groove 21 of a connection part 20 of the other connector housing 1. Then, a guide projection 24 of the other housing 1 is fitted in an engagement groove 15. Both housing are moved in this state so that the projecting beam 11 is slidably pushed into the groove 21 of the projecting beam 11. Then, the connection part 20 is made to a bending state by an engagement hook 22 and in the case of completing sliding, the hook 22 is fitted in the groove 13 so as to be in a locked state and then connection of both blocks is completed. In this connection state, screws 7 are inserted in screw insertion holes 17, 27 so as to be mounted to a casing 8. Therefore, mounting works can be performed simply and speedily.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION This invention relates to connectors, and more particularly to
In the pin side connector housing for board mounting,
The present invention relates to a connector in which a plurality of pin side connector housings are mutually connected and used.

[0002]

2. Description of the Related Art Conventionally, this type of connector connecting structure is
For example, there is one as shown in FIG. A mounting portion 52 having a U-shaped cross section is integrally formed on one end surface of the pin side connector housing 51 in the coupling direction. A mounting portion 53 that is coupled to the mounting portion 52 is integrally formed on the other end surface of the pin side connector housing 51 in the coupling direction. The height a, width b, and depth c of the internal space of the recess 52a of the mounting portion 52 correspond to the height a, width b, and depth c of the mounting portion 53. As shown in FIG. 5, the pin-side connector housings 51 are connected to each other by inserting the mounting portions 53 into the recesses 52a of the mounting portions 52. It is fixed to B. In FIG. 4, 54 and 55 are through holes (screw holes) for attaching and fixing the pin side connector housing 51 to the board B.

Another embodiment of the connector connecting structure will be described with reference to FIGS. 6 and 7. In the connector used here, a dovetail-shaped projection 63 is formed on one end surface of the pin side connector housing (insulating case) 60 in the connecting direction, and the other end surface of the pin side connector housing (insulating case) 60 in the connecting direction is A dovetail groove 65 is formed. As shown in FIG. 6, the pin-side connector housings 60 are connected to each other by inserting the ridges 63 into the dovetail grooves 65. Then, each housing 60 is fixed to the board B by inserting a mounting screw into the mounting hole 68 of the protruding leg 66 provided at the rear side end portion of both side surfaces of the housing 60.

[0004]

However, in the former connection structure of the pin side connector housings described above, in the former case, the pin side connector housings are mounted on the board B by connecting the respective housings to be connected on the board B. Must be fixed to the board B with screws while being connected.
That is, the connection of the housing is performed by screwing to the substrate, which causes a problem that the mounting process becomes complicated and complicated.

Further, in the latter connecting structure of the pin side connector housing, since the mutual separation preventing structure is not adopted, before the protrusion 63 is inserted into the dovetail groove 65 and fixed on the substrate B, However, when the connected housings are moved in the opposite directions of the protrusions 63 and the dovetail grooves 65, the housings are disengaged from each other and separated from each other.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to provide a connector having a connecting structure capable of simplifying and speeding up the process of attaching the connector housing to the substrate.

[0007]

According to the present invention, a connector housing having a first connecting portion formed therein and a second connecting portion having a shape fitting with the first connecting portion are formed. A connector having a connector housing, wherein a plurality of the connector housings can be connected to each other, wherein the first connecting portion is formed with a dovetail-shaped projection extending along a predetermined direction. The second connecting portion is formed with a dovetail-shaped locking groove that extends along the predetermined direction and has a shape that fits into the ridge, and is connected to the first connecting portion. A locking recess is formed in one of the second connecting portions, and the projection is slid in the other by engaging with the locking recess after sliding the projection in the locking groove for a predetermined distance. Is formed on the first and second connecting portions. Connector, wherein a through hole is formed in the connecting state is obtained.

[0008]

According to the present invention, after the locking projection of the first connector is inserted into the slidable locking groove of the second connector, the first connector and the second connector are at the connection completion position. Then,
Due to the locking structure, the first connector and the second connector are locked so that they cannot slide relative to each other, and then the screws are inserted into the screw insertion holes to be fixedly attached to the housing. Therefore, even when the connected housings are moved in the opposite directions of the extending direction of the ridges and dovetails, the housings are not disengaged from each other and are not easily separated from each other.

[0009]

Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a partial perspective view showing the structure of a connector according to the present invention. The connectors drawn on the left and right are the same, one end of the connector is on one side and the other end of the connector is on the other side. Are shown, each showing a different side. The connector is configured to have a connector housing having a connecting portion, which will be described later, and pin contacts (not shown).

As shown in FIG. 1, a connector housing 1
Has a first connecting portion 10 formed on one end surface thereof, and has a second connecting portion 2 connected to the first connecting portion 10 on the other end surface thereof.
0 is formed.

The first connecting portion 10 has a block shape, and a dovetail-shaped convex strip 11 extends in the front-rear direction on the side surface thereof. On the rear side of the side surface of the first connecting portion 10,
When connecting with the second connecting portion 20 described later, the second connecting portion 2
A stopper portion 12 is formed to prevent 0 from further advancing. A locking groove (locking recess) 13 is formed in the stopper portion 12 in the front-rear direction, and the locking groove 13 is a locking hook (locking projection) formed in a second connecting portion 20 described later. ) 22 is locked.

A vacant space 14 is defined on the front side of the first connecting portion 10 by plate portions 14a and 14b projecting upward and downward, respectively, and the vacant space 14 has a second space described later. The block portion 23 of the connecting portion 20 is accommodated.

Engagement grooves 15 are formed in the front-rear direction of the first connecting portion 10 so that the engaging grooves 15 are open on the opposite sides of the plate portions 14a and 14b. This engagement groove 15 is provided with a second connecting portion 20 which will be described later.
Guide projections 24 formed on the upper and lower surfaces of the block portion 23 of
Is slidably engaged and held.

A screw insertion hole (through hole) 17 is formed in the first connecting portion 10 in parallel with the ridge 11. On the side surface of the second connecting portion 20, there is formed a dovetail-shaped fitting groove 21 that slidably engages and holds the ridge 11. A block portion 23 is provided on the front side of the fitting groove 21 in the fitting direction so as to close the opening of the fitting groove 21. Also, the fitting groove 21
A locking hook 22 having an inclined surface that rises toward the opening of the fitting groove 21 is formed on the rear side in the fitting direction.

The block portion 23 is thicker than the portion where the fitting groove 21 is formed.
Guide protrusions 24 that slidably engage with the engaging grooves 15 are formed on the upper and lower surfaces of the upper part. Also, this block part 2
A screw insertion hole 27 is formed in the plate 3 from the front surface to the back surface. Screw insertion hole 2 formed in the second connecting portion 20
7 and the screw insertion hole 17 formed in the first connecting portion 10 of the connector to be connected to the connector having the connecting portion 20 have the same axis when the respective connector housings 1 to be connected are connected. Is formed in position.

Next, a procedure for connecting the connector housings 1 having the above-mentioned configurations will be described. First, one connector housing (the left connector housing in FIG. 1)
The ridge 11 of the first connecting portion 10 is inserted into the fitting groove 21 of the second connecting portion 20 of the other connector housing (the right connector housing in FIG. 1) 1. At this time,
The guide protrusion 24 of the other connector housing is fitted into the engagement groove 15 of the one connector housing. In this state, both connector housings are moved and the ridge 11 is pushed in while sliding in the fitting groove 21. At this time, the second connecting portion 20 is in a bent state due to the presence of the locking hook 22 of the second connecting portion 20, but when the sliding is completed, the locking hook 22 is locked by the locking groove 13. 2 and the lock state is established, and as shown in FIG. 2, the connection of both blocks is completed.
Although the number of pin contacts of the connectors connected to each other is different in FIG. 2, it goes without saying that connectors having the same number of pin contacts may be connected to each other. Further, in the present invention, the first connecting portion 10 and the second connecting portion 20 are formed in the same connector housing 1. However, it is possible to connect any number of three or more connector housings. This is because Therefore, when only two connector housings are connected to each other, the first connecting portion 10 is provided on one side surface of one connector housing and the second connecting housing 10 is provided on the other side surface of the other connector housing. It suffices to provide only the connecting portion of. In FIG. 2, only two of the one connector housing 1 and the other connector housing are connected to each other, and both connector housings are formed with connecting portions only on the connecting side. Incidentally, in FIG.
Is a screw insertion hole for attaching with a screw to the housing.

In this connected state, the screw insertion hole 17 of one connector housing and the screw insertion hole 27 of the other connector housing are connected so that they are in communication with each other, so that as shown in FIG. Screws 7 and 17
And insert it into the housing 8. In FIG. 3, the two-dot chain line A is the board mounting position for the straight pin header, and the two-dot chain line B is the board mounting position for the angle pin header. Needless to say, the object to which the connected connectors are attached is not limited to the housing, and may be a substrate or the like. Further, it goes without saying that the connector connecting structure of the present invention is not limited to the pin side connector but can be widely applied to connectors to be connected to each other.

[0018]

According to the connector of the present invention having the above-described structure, the connectors to be connected to each other are formed into a dovetail-shaped projection and a dovetail-shaped fitting groove slidably fitted to the projection. Are engaged with each other, and in the sliding direction, the locking groove and the locking hook are engaged in a locked state, so that the connection is not released, and in this state, it can be fixedly attached to the housing. it can. That is, since a plurality of connectors are connected in advance to form one connector and this is attached to the housing, the housing installation work of the connector can be simplified and speeded up.
Greatly improved work efficiency can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view for explaining an embodiment of a connector according to the present invention.

FIG. 2 is a front view showing a connected state of the connector of FIG.

FIG. 3 is a side view showing a connected state of the connector of FIG.

FIG. 4 is a perspective view for explaining an example of a conventional connector.

5 is a front view showing a connected state of the connector of FIG. 4. FIG.

FIG. 6 is a perspective view for explaining another embodiment of the conventional connector.

FIG. 7 is a front view showing a connected state of the connector of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector housing 10 1st connection part 11 Convex strip 13 Locking groove 20 2nd connection part 21 Fitting groove 22 Locking hook

Claims (1)

[Claims] 1. A connector having a connector housing having a first connecting portion and a connector housing having a second connecting portion having a shape fitting with the first connecting portion. In a connector in which a plurality of connector housings can be connected to each other, the first connecting portion is formed with a dovetail-shaped protrusion extending in a predetermined direction, and the second connecting portion is formed. A dovetail-shaped fitting groove is formed that extends along the predetermined direction and has a shape that fits into the protrusion, and one of the first connecting portion and the second connecting portion is formed. A locking recess is formed on the other side, and on the other hand, a locking projection that engages with the locking recess after the projection slides in the fitting groove for a predetermined distance to prevent the projection from sliding And a through hole is formed in the first and second connecting portions in a connected state. The connector characterized by being.