JPH037900Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention mainly relates to improvements in a shield cover that is attached to a multicore connector used as a connector for connecting devices to electronic devices such as computer communication devices.

As shown in FIG. 1, the multicore connector A usually includes a pair of outer tubes 10, 10 made of a metal material such as a steel plate and formed into a rectangular tube shape with a flange 10a at one open end. A shell 1 having a flange 1a in the middle of the body formed by abutting and closing the flanges 10a, 10a and opening in the front and back.
, an insulator 2 molded into a prismatic shape from an insulating material such as a synthetic resin material assembled inside the shell 1, and a large number of contacts 3 held in an aligned state on the insulator 2. , by assembling the connector main body a, connecting the core wires 40 to the rear ends of the contacts 3, and connecting the cord 4.

The multi-conductor connector A configured in this manner covers the outer periphery of the connection area in order to prevent leakage of electricity from the connection area between the contacts 3 of the connector body a and the core wires 40 of the cord 4 connected thereto. In some cases, a shield cover 5 made of a metal plate is attached to the outer surface of the connector body a.

Conventionally, the shield cover 5 assembled in this manner has two upper halves 5a that fit together and close together in a shell shape, as shown in FIG.
and a lower half side 5b, each of which has a hook protruding inwardly on its front end side so as to engage with the outer peripheral edge of the flange 1a installed in the middle of the body of the shell 1 of the connector body a. A semi-cylindrical part 50 is formed on the rear end side of each of the upper half side 5a and the lower half side 5b to fit around the outer periphery of the cord 4, which has the core wire 40 connected to the contact 3 of the connector main body a. holding parts w are formed respectively, and the upper half side 5a and the lower half side 5b
and a hook portion 50 formed at the front end fits into the outer peripheral edge of the flange 1a located in the middle of the body of the shell 1,
In a state where the holding part w formed at the rear end is fitted to the outer periphery of the cord 4, the connector main body a is placed over the top and bottom sides of the connector body a, and the holding part w formed at the rear end is fitted as shown in FIG. In order to connect to the shield wire 41 of the cord 4, the cylindrical body 6 is screwed or fitted to the outer periphery of the cord 4, and the cord 4 is tightly bound and assembled and held. It is assembled to the connector main body a by covering it with a molded body 7 made of a resin material.

Conventional shield cover 5 configured in this way
This is because the assembly work is troublesome, and the shield cover 5 is easily disassembled from the connector body a when the hook portion 50 on the front end side of the shield cover 5 and the flange 1a of the shell 1 are fitted together. There's a problem. In addition, as a countermeasure to the problem of the front end easily coming off, as described in Japanese Patent Laid-Open No. 57-21078, the outer periphery of the front end of the shield cover is tightened with a separately provided tightening tool, which makes the assembly process even easier. It becomes troublesome.

The present invention has been devised to solve these problems, and it is possible to assemble the shield cover to the connector body with a simple operation, and the front end of the assembled shield cover can be attached to the connector body. The object of the present invention is to provide a new means by which the assembly can be reliably carried out without the use of fasteners.

In the present invention, as a means to achieve this objective, the upper and lower halves of a dish-like or flat box-like shape that fit together and close together in a shell-like manner are formed from metal plates. , hooks protruding outward are formed on the front edges of the bottom plates of the upper and lower halves, respectively, and hooks are formed on the side walls of the upper and lower halves. A locking part that engages with each other is formed by closing them together in a shell shape, and the outer hook part provided on the front edge of the upper and lower halves is connected to the outer hook part of the shell of the connector main body. The top and bottom sides of the opening rim on the rear end side are locked respectively to the upper and lower sides of the cord connection part of the connector body, and the upper and lower halves are shaped like a shell by the locking parts. The present invention proposes a shield cover for a multi-core connector, which is characterized in that the shield cover is assembled to a connector main body by being closed together.

Next, embodiments will be described in detail with reference to the drawings. Note that the same reference numerals in the drawings as in the previous means are used for constituent members having the same effect.

FIG. 3 is a perspective view of a multicore connector A (male type) with a shield cover according to the present invention assembled, in the process of being assembled; in the figure, a is the connector body, 4 is a cord connected to the connector body 5 is a shield cover according to the present invention assembled to the connector body a so as to cover the outer periphery of the connecting portion of the cord 4;
7 indicates a molded body made of synthetic resin material.

The connector body a includes a shell 1 formed from a metal plate into a rectangular tube shape, an insulator 2 formed of a synthetic resin material to be fitted into the inner cavity of the shell 1, and a number of contacts 3 held by the shell 1. A flange 1a is installed on the outer periphery of the body of the shell 1. In addition, the insulator 2 has a front end portion facing the open opening on the front end side of the shell 1 that is formed into a simple shape, and a large number of contacts 3 are formed in each groove portion of the insulator 2 into an arc shape when viewed from the side. It is well located.

The shield cover 5 is formed from a metal plate and is formed into a case shape that covers the outer periphery of the connecting portion of the cord 4 connected to the connector main body a.As shown in FIG. It is divided into two parts, 5b and 5b. The upper half side 5a and the lower half side 5b are shown in FIGS. 4 to 6 and 7 to 9.
As shown in the figure, the bottom plate 5 is formed by forming a metal plate.
1 and side walls 52, 52 rising from its left and right side edges.
It is formed into a shallow dish-like or flat box-like shape with an open front and rear sides, and its upper half side 5a is connected to its lower half side 5b.
The left and right widths are slightly wider, so that when the upper half side 5a and the lower half side 5b are closed together in a shell shape, the left and right side walls 5 of the upper half side 5a
2, 52 is the lower half side 5b as shown in the above-mentioned FIG.
The left and right side walls 52, 52 are overlapped on the outside so that it can be assembled into a case shape. At the front edge of each of the bottom plates 51, 51 on the upper half side 5a and the lower half side 5b, hook portions 5 are bent outward and protrude, respectively.
0,50 is formed. Further, a locking portion 5 formed in the shape of a window hole is provided at a portion of the rear end side of the side wall 52 of the upper half side 5a that becomes a holding portion w that wraps around the outer periphery of the cord 4.
3 is installed, and a locking portion 54 corresponding to the locking portion 53 forms a holding portion w that wraps around the outer periphery of the cord 4 on the rear end side of the side wall 52 of the lower half side 5b.
When the upper half side 5a and the lower half side 5b are closed together in a shell shape, the locking portions 53 and 54 engage with each other. Said third
As shown in the figure, the upper half side 5a and the lower half side 5b are held in a closed state.

These upper half side 5a and lower half side 5b are
As shown by the chain lines in FIG. 13, outward hook portions 50, 50 are formed on the respective front edges.
are inserted into the upper and lower inner sides of the opening rim 12 on the rear end side of the shell 1 of the connector body a, and from that state, the hooks 50, 50 and the opening rim 12 of the shell 1 are inserted. The connecting portion of the connector body a is rotated as shown by the solid line in FIG. 13 as a rotational fulcrum, and the outer periphery of the cord connecting portion of the connector main body a is closed so as to be covered from both the upper and lower surfaces, thereby forming the above-mentioned side walls 52, By engaging the locking portions 53 and 54 provided in the connector body 52, the shield cover 5 is assembled to the outer periphery of the cord connecting portion of the connector body a, as shown in FIG. It is configured so that

Next, FIGS. 10 and 11 show another embodiment of the shield cover 5 according to the present invention.

In these embodiments, the shield cover 5 is divided into two halves, an upper half 5a and a lower half 5b formed of metal plates,
Each bottom plate 51 of those upper half side 5a and lower half side 5b,
Hook portions 50, 50 are formed on the front edge of each of the left and right side walls 52, 52, respectively, to bend outward and protrude.
Regarding the provision of locking portions 53 and 54 that engage with each other by closing the upper half side 5a and the lower half side 5b together in a shell shape, the embodiment shown in FIG. Although it is the same as the shield cover 5 in the example, it has a configuration in which the holding part w of the cord 4 formed on the rear end side of the shield cover 5 is removed, and as shown in FIG. Female multi-core connector A that can be assembled into
It is adapted to be used in By the way,
The female multi-conductor connector A that is assembled into the body of the device does not use the core wires exposed from a single cord 4 for the cord wires that are connected to the numerous contacts 3 that are assembled in the connector body a. In this case, the cord wires in a separate state are used, and the cord wires are bundled and led to the connector body a.

The shield cover in the multicore connector configured as described above functions as follows.

When each core wire 40 of the cord 4 is assembled into the multi-conductor connector A in which a large number of contacts 3 installed in the connector body a are connected to the connecting terminal portion 30 by soldering, the shield cover The upper half side 5a and the lower half side 5b of 5 are separated, and as shown by the chain lines in FIG. A hook portion 50 that protrudes outward.
into the inside of the shell 1 through the gap formed between the rim 12 of the opening on the rear side of the shell 1 of the connector body a and the outer peripheral surface of the insulator 2, and the hook part 50 is inserted into the shell 1. The upper half side 5a is engaged with the inside of the mouth rim 12, and from this state, the upper half side 5a
and the lower half side 5b are rotated toward the posture along both the upper and lower sides of the connector body a, and the 13th
When the side walls 5 of the upper half side 5a and the lower half side 5b are closed to each other as shown by solid lines in the figure,
The locking part 53 and the locking part 54 provided at 2 and 52
are engaged with each other to maintain the closed state, completing the assembly to the connector body a, and forming the shield cover 5 that covers the outer periphery of the cord connection portion of the connector body a.

In this case, the hooks 50, 50 attached to the front edge of the bottom plate 51 of the upper half 5a and lower half 5b of the shield cover 5 are substantially attached to the shell 1, as shown in FIG. If a suitable locking portion or rib y that is hooked to the hook portion 50 of this shield cover 5 is separately formed on the outside of the opening edge 12, this locking portion or rib y can be used to It may be made to engage with.

Note that this shield cover 5 can be used as is not only for multicore connectors but also for other connectors.

As explained above, the shield cover 5 in the multi-core connector according to the present invention has an upper half 5a and a lower half 5b formed in the shape of a plate or a flat box that fit together and close together in a shell shape. A hook portion 5 protruding outward is provided on the front edge of each bottom plate 51 of
0,50, and this hook part 50,50
are inserted into the upper and lower inner sides of the opening rim 12 on the rear end side of the shell 1 of the connector main body a and engaged there, and the upper half side 5a and the lower half side 5b are connected using this engaging part as a hinge. Since the shield cover 5 is attached to the connector body a by rotating and closing them together, the shield cover 5 can be attached to the connector body a by rotating the upper half side 5a and the lower half side 5b. The hooks 50, 50 on the front end edge are connected to the mouth edge 12 of the open opening on the rear end edge of the shell 1 of the connector body a.
Insert it inside the hook part 50,
Using 50 as a hinge, the upper half side 5a and the lower half side 5b are rotated in a direction in which their rear end sides approach each other,
Assembling can be completed by simply closing the shield covers together, which greatly facilitates the assembly of the shield cover.

In the assembled state, the locking portions 53 provided on the side walls 52, 52 of the upper half side 5a and the lower half side 5b
The stress caused by the engagement of the locking portion 54 with the hook portion 5 provided on the front edge of each of the upper half side 5a and the lower half side 5b
0.50, the lip 1 of the shell 1 of the connector body a
2, the front end side of the assembled shield cover 5 is extremely firmly attached to the connector body a.

Therefore, according to the present invention, the shield cover can be assembled to the connector body with a simple operation, and the front end side of the assembled shield cover can be firmly attached to the connector body without using any fasteners. You will be able to fasten it.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a conventional shield cover in the process of being assembled, Fig. 2 is a longitudinal side view of the same multi-core connector as shown above, and Fig. 3 is a multi-core connector according to an embodiment of the present invention. Fig. 4 is a bottom view of the upper half of the same embodiment, Fig. 5 is a vertical sectional side view of the same, Fig. 6 is a top view of the same, and Fig. 7 is the same as the above embodiment. Top view of the lower half of the example,
FIG. 8 is a vertical side view of the same as above, FIG. 9 is a bottom view of same as above, FIG. 10 is a perspective view of another embodiment, FIG. 11 is a perspective view of still another embodiment, and FIG. 12 is an embodiment of same as above. A perspective view of a multi-core connector (female type) assembled with the above, and FIGS. 13 and 14 are explanatory diagrams of the operation. Explanation of drawing symbols, A...Multi-core connector, a...
... Connector body, 1 ... Shell, 1a ... Flange, 10 ... Outer cylinder, 10a ... Flange, 12 ... Lip, 2 ... Insulator, 3 ... Contact, 30 ... Connection terminal section, 4...Code, 40...
... Core wire, 41 ... Shield wire, 5 ... Shield cover, 5a ... Upper half side, 5b ... Lower half side, 50 ...
... Hook part, 51 ... Bottom plate, 52 ... Side wall, 53,5
4... Locking part, 6... Cylindrical body, 7... Molded body, y...
...Rib, lol...Holding part.

Claims (1)

[Scope of utility model registration request] An upper half 5a and a lower half 5b in the shape of a dish or flat box that fit together and close together in a shell shape are formed of metal plates, and each bottom plate 51 of the upper half 5a and the lower half 5b is made of a metal plate. .
and the lower half side 5b are closed together in a shell shape to form locking parts 53 and 54 that engage with each other, and the upper half side 5a and the lower half side 5b are connected to the outer surface provided on the front edge thereof. The hooks 50, 50 of the same direction are respectively engaged with the upper and lower inner sides of the mouth rim 12 of the open opening on the rear end side of the shell 1 of the connector body a, and are connected to both the upper and lower surfaces of the cord connection part of the connector body a. , the upper half side 5a and the lower half side 5b are connected to the locking portion 53,
54. A shield cover for a multi-core connector, characterized in that the cover is closed in a shell shape and assembled to the connector body a.