JPH071740Y2 - Multi-pole socket connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial Application Field" The present invention relates to a multi-pole socket connector having a relatively large number of contacts and being electromagnetically shielded.

"Prior Art" Since the conventional multi-pole socket connector is configured in a rectangular shape in which the body is long in the lateral direction, its length becomes long to be arranged on one side edge of the wiring board. There was a limit.
Also, because of its oblong shape, it was difficult to combine and remove it. Furthermore, the conventional multi-pole connector has not been sufficiently shielded against electromagnetic noise.

[Means for Solving Problems] According to the present invention, a plurality of contact accommodating holes extending in the front-rear direction are arranged in rows and columns in a rectangular body made of an insulating material, and socket contacts are formed in the contact accommodating holes. Each of them is housed and held, the body is covered with a metal rectangular tubular shield, and a rectangular tubular case is attached to the outside of the shield, and a plug connector is inserted between the shield and the case in the front part. A square tubular groove to be removed is formed, a recess extending rearward from the front end is formed on one side wall of the case, and a locking step portion whose rear portion is lower than the front portion is formed on the bottom surface of the recess. ing.

[Embodiment] Prior to the description of the embodiment of the multipolar socket connector according to the present invention, a multipolar plug connector used in combination with this multipolar socket connector will be described with reference to FIGS. 1 to 4.

The body 11 of the plug connector insulation is made square, that is to say its end face is approximately square. Contact housing holes 12 penetrating through the body 11 in the front-rear direction are arranged in rows and columns. In the figure, the case is formed in 5 rows and 5 columns. Pin contacts 13 are inserted and housed in the contact housing holes 12, respectively. Each pin contact 13 has a front end portion serving as a pin contact body 13a protruding from the front surface of the body 11, and a rear end portion serving as a cord connecting portion 13b.

A plurality of cords 15 are housed in the shielded cable 14, and each cord 15 has a cord connecting portion 13 of a pin contact 13.
It is connected and fixed to b. A metal cable clamper 16 is inserted and fixed on the shielded cable 14. After the shield (braid) 17 of the shielded cable 14 is exposed, the cable
It is folded back on the outer cover of 14, and the inner peripheral surface of the cable clamper 16 is brought into contact therewith, and the front end of the cable clamper 16 and the shield 17 are connected to each other by solder 18. The outer peripheral surface of the cable clamper 16 is crimped to the cable 14 by the crimping portion 19 and fixed to each other.

A cable clamper is installed in the rear end of the tubular metallic shield 21.
16 is fitted and fixed. A fitting portion 22 is formed concentrically and integrally with the outer circumference of the front end portion of the cable clamper 16, the fitting portion 22 is inserted into the rear end of the shield 21, and further fixedly connected with solder 23.

On the other hand, the body 11 is fitted and held in the front portion of the shield 21. The front part of the shield 21 has a square tubular shape corresponding to the body 11, and the body 11 is fitted into the square tubular part from the rear side, and the rear end of the fitted part has a large inner diameter, Part 24
The collar portion 25 of the body 11 is brought into contact with. In addition, the ring-shaped protrusions 26 formed on the outer peripheral surface of the body 11 are small protrusions 27 of the shield 21.
It is said to be engaged with and prevented from coming off.

In this example, a lock portion is also provided when the lock portion is coupled with the socket connector. That is, the holding portion 31 is fixed by extending on the rear portion of the cable clamper 16 and the shield 21.
A cover 32 whose rear end engages with the holding portion 31 and covers the shield 21.
Is provided so that it can move back and forth. A slide piece (33) is provided outside the shield (21) and inside the cover (32) so as to be able to move forward and backward with respect to the cover (32). Guide portions 34a, 34b of the slide piece 33
Are integrally formed on the shield 21. The socket connector is inserted and coupled to the front end portion of the shield 21, and at this time, the slide piece 33 is engaged so as to push the slide piece 33 backward.
A notch 35 is formed in the shield 21 so as to face the front end of 33. Further, the slide piece 33 pushed backward is biased forward. Therefore, the coil spring 36 is wound around the shield 21 between the slide piece 33 and the holding portion 31. To release the lock, the coil spring 36 engages with the cover 32 and the slide piece 33 and biases them both forward.

Spring pieces 37 are arranged outside the slide pieces 33 so as to face each other, and the spring pieces 37 are retained in the cover 32 by engagement with the guide portions 34a and 34b.
A protrusion 38 is formed at the front end of the spring piece 37, and the front end of the protrusion 38 is engaged with the tip connecting portion 39 of the guide portions 34a and 34b.

Socket Connector Next, an embodiment of the multi-socket connector of the present invention which is combined with the above-mentioned multi-pole plug connector will be described with reference to FIGS. Contact housing holes 42 are formed in rows and columns in the front half of an insulating rectangular body 41, and socket contacts 43 are housed in the contact housing holes 42, respectively. In this example, the front end surface of the body 41 is almost square,
Further, contact receiving holes 42 are formed in 5 rows and 5 columns. The rear portion of the body 41 is hollow, and the back surface and bottom surface are open. As shown in FIG. 8, each socket contact 43 is extended rearward and then bent downward at a right angle to form a terminal 44. Each socket contact
The terminals 44 of 43 are bent at different positions in the front-rear direction so that they do not contact each other, and are inserted into a bottom plate 45 that covers the rear open bottom surface of the body 41.

A metal rectangular tubular shield 46 is covered on the body 41, and a rectangular cylindrical case 47 made of an insulating material is further covered thereon. A space is provided in the front part between the shield 46 and the case 47, and a square tubular groove 40 into which a mating plug connector is inserted and removed is formed. The front portion of the shield 46 is fitted into the front portion of the shield 21 when the multi-pole plug connector shown in FIGS. At this time, a plurality of cuts 50 are formed in the front part of the shield 46 so as to be elastically fitted. Also a shield
An engaging projection 48 is extruded on the upper surface of 46, and the connecting portion 39 and the guide portion 34 are provided on the inner surface of one side wall of the case 47 so as to face this portion.
A recess 49 into which a and 34b are inserted is formed to extend rearward from the front end, and a hole 51 is formed facing the engaging protrusion 48 of the recess 49.

When the multi-pole plug connector is joined to this multi-pole socket connector, the connecting portion 3 of the multi-pole plug connector
9. A part of the guide portions 34a, 34b is inserted into the recess 49 as shown in FIG. 9A, and when a multipolar plug connector is further inserted, a slide piece is inserted into the engaging projection 48 as shown in FIG. 9B. Although 33 is hooked, the connecting portion 39 and the spring piece 37 are further pushed in, as shown in FIG. 9C.
When the protrusion 38 of the spring piece enters the hole 51 as shown in FIG. 2, the slide piece 33 in this state causes the engaging protrusion 48 by the force of the coil spring 36.
The riding protrusion 38 is engaged with the hole 51 to prevent it from being pulled out, that is, the locked state. In this state, the pin contact 13 is press-fitted into the socket contact 43 to be in a coupled state.

To release this locked state, cover 32 with coil spring 36
When the slide piece 33 is pulled rearward against the biasing force of (3), the slide piece 33 is also pulled backward and disengaged from the engaging projection 48, so that the projection 38 and the hole 51 can be easily disengaged.

As the coil spring 36, as shown in FIG.
The outer shape of the cover 32 can be made small by using a plurality of windings each having a small diameter without being wound around the outer circumference of the cover 21. The hole 51 is for inserting and engaging the protrusion 38,
Since the front wall in hole 51 is used, a concave portion is used instead of hole 51.
It is also possible to use a locking step portion formed on the bottom surface of 49 with the rear portion being lower than the front portion. The terminal 44 of the socket contact 43 may be extended and projected rearward without being bent.

"Effect of the device" As described above, according to the multipolar socket connector of the present invention, the body has a rectangular shape, which holds the contacts in a concentrated manner and is wider and wider than the conventional horizontally long connector. Can be made almost equal, and therefore the overall shape is close to a round shape, and the operability of coupling and removal is good. Also, many socket connectors can be attached when they are arranged and attached to one side edge of the wiring board. Further, since the body 4 is arranged in the shield 46, electromagnetic shielding is surely performed.

Further, since the concave portion 49 is formed on the inner surface of the case 47 and the connecting portion 39 of the plug connector is inserted into the concave portion 49, the angle is adjusted when the two connectors are coupled, and the connectors are coupled only in a specific direction. The angle adjustment is performed by utilizing the engaging means for locking. The shield 46 has its engaging protrusion.
48 also acts as a stopper for the slide piece 33 of the plug connector.

[Brief description of drawings]

FIG. 1 is a perspective view in which a part of an example of a mating multi-pole plug connector is broken away, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a vertical sectional view taken along the line II of FIG. 2, and FIG. 2 is a left side view of FIG. 2, FIG. 5 is a partially cutaway front view showing an example of a multipolar socket connector according to the present invention, FIG. 6 is a right side view of FIG.
5 is a partially cutaway bottom view of FIG. 5, FIG. 8 is an exploded perspective view of FIG. 5, FIG. 9 is a cross-sectional view showing a locking process of a locking mechanism, and FIG. 10 is a mating multipolar plug connector. It is sectional drawing which shows the example of.

Claims (3)

[Scope of utility model registration request] 1. A rectangular body made of an insulating material, in which a plurality of contact receiving holes extending in the front-rear direction are arranged in rows and columns, and a plurality of socket contacts respectively held and held in the contact receiving holes of the body. A metal rectangular tubular shield covered on the body and a rectangular tubular groove mounted on the outside of the shield, the front part of which is inserted into and removed from the mating plug connector. And a square tubular case in which a concave portion extending rearward from the front surface is formed on the inner surface of one side wall, and a locking step portion whose rear portion is lower than the front portion is formed on the bottom surface of the concave portion. Multi-pole socket connector. 2. The multipolar socket connector according to claim 1, wherein the shield is integrally provided with a convex portion facing the rear portion of the locking step portion. 3. A plug fitting portion in a front portion of the shield body,
The multipolar socket connector according to claim 1, wherein a plurality of notches extending rearward from the front end are formed.