JPH05335053A - Connector cover - Google Patents

Abstract

PURPOSE:To increase the locking strength relative to a mating connector member and enhance the producibility by mounting a member, which can reinforce a lock screw fit part, on a shield cover made of metal, and thereby forming a connector cover. CONSTITUTION:A lock screw 5 is pinched by two lock screw retaining tools 12, 12 whose semi-circular grooves 12b are opposed, and mounting is made by inserting their neck parts 12a in grooves 11d provided in a shield cover 11. This connector can be coupled with a jack connector in certainly locked state by turning the screws 5, 5' with a grip part 5c. Particularly because the screws 5, 5' are both located by the retaining tolls 12-1, 12-2 and are themselves secured to the cover 11 made of metal by their neck parts 12a, a connector cover is formed which is free from breakage and whose strength near the screws 5, 5' is greatly enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a connector cover made of plastic which is used for a connector which is required to shield electromagnetic noise and the like among connectors for external interfaces which connect devices. The present invention relates to a connector cover that improves productivity by improving the lock strength with respect to the connector.

In the field of electronic equipment in recent years, shield measures have been taken for external interface connectors for connecting electronic equipments in order to suppress noise from the outside world, but the appearance as a connector is improved. A technique of housing a shielded connector in a plastic cover is often used in order to improve workability by colorization or the like.

[0003]

2. Description of the Related Art FIG. 3 is a view for schematically explaining the structure of a conventional connector cover. (3-1) shows a state at the time of assembly and (3-2) shows the vicinity of a lock screw at the time of assembly. It is a figure which shows the state of.

In the drawings, the case where the connector mounted on the cover is a plug connector will be described as an example. In (3-1) of the figure, a plug connector (hereinafter simply referred to as a plug) 1 in which a plurality of plug terminals 1a are arranged and planted at predetermined positions of an insulator 1b has a contact portion of the plug terminal 1a. It is in a state of being surrounded by a shield cover 2 composed of a peripheral wall 2a surrounding the terminal arrangement area and a skirt wall 2b surrounding the insulator 1b portion.

At the end of the shield cover 2 opposite to the peripheral wall 2a, each plug terminal 1a of the connector 1 is provided.
A clamper 2c for converging and fixing a plurality of signal lines (not shown) connected to is formed.

Further, the connector 1 surrounded by the shield cover 2 is fitted to the cover body 3 and a bottomed box-shaped mold cover body 3 capable of positioning and accommodating the connector 1 in the outer portion of the cover 2. A cover 4 for covering the cover body 3 over its entire surface covers the entire periphery except the peripheral wall 2a and the clamper 2c.

In both cases of the cover body 3 in this case, the regions projecting from the side surfaces in the width direction of the shield 2 are
A lock screw 5 having a screw 5a screwed to a jack connector (not shown) at its tip end and passing through a flange 5b and having, for example, a knurled grip portion 5c at the other end is at least between the flange 5b and the grip portion 5c. U-shaped grooves on the corresponding partition walls 3a ', 3b' so that they can be positioned by
3a and 3b are formed and configured.

Therefore, the lock screws 5 are dropped into the grooves 3a and 3b respectively as guides as shown by the arrow A, and then the lid cover 4 is fitted and fitted to the grooves 3a and 3b.
The lock screw 5 can be rotatably positioned like the lock screw 5'on the left side in the drawing in which the screw 5a and the grip portion 5c are projected by the lid cover 4 having a projecting piece (not shown) located corresponding to b. it can.

(3-2) is a plan view showing the state at this time, and the U-shaped groove 3a in which the lock screw 5 is formed in each partition wall 3a ', 3b' of the mold cover body 3 is shown. , 3b, which can be freely rotated in the direction of arrow B, when connecting a jack connector (not shown) having female threads at positions corresponding to the lock screws 5, 5'to the connector 1, By rotating 5, 5'with the grip portion 5c, it is possible to connect the jack connector in a securely locked state.

[0010]

On the other hand, the increase in the number of signals to be exchanged with the recent progress of electronic technology has resulted in the increase in the number of terminals of connectors for connecting respective devices.

For example, SCSI (S
mall Computer System Interference), SCSI-2
The recently migrated SCSI-3 specifies 50 poles but 68 poles.

This means that the insertion / removal force between the plug and the jack connector becomes large, and as a result, the lock screw mounted on the plug must be firmly mounted on the cover. ..

However, in the conventional connector cover, the lock screws 5 and 5'are positioned by the mold cover body 3 and the lid cover 4 fitted to the cover body 3. Therefore, there has been a problem that the connector cover is more likely to be damaged as the number of terminals as the connector is increased.

[0014]

Means for Solving the Problems The above-mentioned problem is to provide both contact side arrangement regions of connection terminals which are planted in alignment with an insulator and a clamper region for concentrating and leading out signal lines connected to the respective connection terminals. A plug connector or a jack connector whose entire circumference except for the above is covered with a shield cover in the entire circumference except the above two areas, and a flange for the jack connector or the plug connector on both outer sides in the longitudinal direction of the area where the plug connector or the jack connector exists. A connector cover made of a molding material that can be rotatably held by positioning a lock screw provided with two partition walls that are formed so as to match the distance between the flange and the grip portion. The connector cover, which includes a cover, is separate from the lock screw positioning and holding means that the connector cover has. The partition walls, the shield cover corresponding mounted or fixed to the side surface position is achieved by a connector cover which is constructed by is equipped lock screw holding means for rotatably holding the lock screw.

[0015]

If the lock screw mounting portion of the connector cover is combined with a member that reinforces the lock screw, the connector cover can be prevented from being damaged.

Therefore, according to the present invention, a member which can reinforce the lock screw mounting portion of the conventional connector cover is attached to the shield cover made of metal to form the connector cover.

Therefore, the lock screw mounting portion can be reinforced without changing the conventional connector cover, and improvement in productivity can be expected.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a diagram for explaining a configuration example of a connector cover according to the present invention, and FIG. 2 is a diagram for explaining another configuration example of the embodiment.

Since all of the cases correspond to plugs similar to those shown in FIG. 3, the same objects as those in FIG. 3 are designated by the same symbols. As in Fig. 3, (1-
1) shows the assembled state, and (1-2) shows the state near the lock screw when assembled. In (1-1) of Fig. 1, the plug 1 explained in Fig. 3 is the shield described in Fig. 3. It is in a state of being surrounded by a shield cover 11 having the same peripheral wall 11a, skirt wall 11b and clamper 11c as the cover 2 and having the same size. Grooves 11d cut in the thickness direction of the cover from the edges are formed in the wall portions at respective positions corresponding to the central portions of the partition walls 3a 'and 3b' of the mold cover body 3 described in FIG. Has been done.

The connector 1 surrounded by the shield cover 11 may be covered by the mold cover body 3 and the lid cover 4 described with reference to FIG. 3 except the peripheral wall 11a and the clamper 11c. This is similar to the case of FIG.

On the other hand, the groove 11d of the shield cover 11 has a constriction 12a which can be inserted into the groove 11d at its width portion, and the partition wall 3a 'of the mold cover body 3 described with reference to FIG.
Two lock screw holders 12 _-1 , made of, for example, resin, having a width slightly smaller than the distance between 3 and 3b ',
12 _-2 are inserted in an overlapping state, and when the lock screw holders 12 _-1 , 12 _-2 at the time of insertion are in close contact with each other at corresponding positions on the facing surfaces. 3 is formed with a semicircular groove 12b capable of rotatably holding the lock screw 5 described in FIG. 3 at the shaft portion between the flange 5b and the grip portion 5c.

Therefore, as shown in the drawing, the lock screw 5 of FIG. 3 is clamped by the two lock screw holders 12 _-1 , 12 _-2 having the semicircular grooves 12b facing each other, and then the respective constricted portions 12a are clamped. Above groove
When the two holders 12 ₋₁ and 12 ₋₂ are inserted into the shield cover 11 after being inserted into the 11d, the state shown in (1-2) can be obtained.

Therefore, when connecting the above-mentioned connector 1 with a jack connector (not shown) having a female screw at a position corresponding to each lock screw 5, 5 ', the lock screw 5, 5'is rotated by the grip portion 5c. Thus, the jack connector can be connected while being surely locked.

Particularly in this case, the lock screws 5, 5'are both positioned by the two lock screw holders 12 _-1 , 12 _-2 , and the holders 12 _-1 , 12 _-2 themselves are Since it is fixed to the shield cover 11 made of metal by the constricted portion 12a, the strength of the connector cover and eventually the vicinity of the lock screw as the connector can be significantly improved, and a connector cover without damage can be configured.

FIG. 2 showing another embodiment showing the state at the time of assembly at (2-1) and the state near the lock screw at the time of assembly at (2-2) is as shown in (2-1). Instead of the two lock screw holders 12 _-1 , 12 _-2 described in FIG. 1, a lock screw holder plate 13 made of, for example, a metal plate or the like bent so as to have a "U" shape in plan view is used It was done.

Particularly, in this case, the lock screw holding plate 13 is
When the back surface of the connecting portion 13a is brought into contact with the outside of the side surface in the longitudinal width direction of the shield cover 2 described in FIG. 3, it is located at a position corresponding to the U-shaped grooves 3a, 3b of the mold cover main body 3 on both sides of the free end. A U-shaped groove 13b having substantially the same size as the grooves 3a and 3b is formed, and the outer surface distance between the two pieces on the free end side is substantially equal to the distance between the partition walls 3a 'and 3b' of the mold cover body 3. It is formed to match.

Therefore, the lock screw holding plate 13 is fixed to the corresponding position of the shield cover 2 described in FIG. 3 by means such as welding or rivet so that it is located between the partition walls 3a 'and 3b'. After forming the shield cover 2 ', the cover 2'is set together with the plug 1 on the mold cover main body 3 described with reference to FIG. 3, and then the lock screw 5 is dropped and the cover plate 4 is fitted in the same manner as in FIG. Then, (2-
It can be in the state shown in 2).

Particularly in this case, the lock screws 5 and 5'are formed by two U-shaped grooves 13b on the free end side of the lock screw holding plate 13 inscribed in the respective partition walls 3a 'and 3b' of the mold cover body 3. Since the holding plate 13 itself is positioned and fixed to the shield cover 2 made of metal, it is possible to improve the strength of the mold cover and eventually the vicinity of the lock screw as a connector, thus forming a connector cover without damage. be able to.

[0029]

As described above, according to the present invention, it is possible to provide a connector cover in which the lock strength for the mating connector to be connected is improved and the productivity is improved.

In the description of the present invention, the case where the connector housed in the connector cover is a plug is taken as an example, but it is clear that the same effect can be obtained even if the connector is a jack.

[Brief description of drawings]

FIG. 1 is a diagram illustrating a configuration example of a connector cover according to the present invention.

FIG. 2 is a diagram illustrating another example of the configuration.

FIG. 3 is a diagram schematically illustrating a configuration of a conventional connector cover.

[Explanation of symbols]

1 Plug connector 2,2 'Shield cover 3 Mold cover body 3a, 3b U-shaped groove 3a', 3b 'Partition wall 4 Lid cover 5,5' Lock screw 5a Screw 5b Flange 5c Grip 11 Shield cover 11a Peripheral wall 11b Skirt wall 11c Clamper 11d Slit-shaped groove 12 _-1 , 12 _-2 Lock screw holder 12a Narrowed portion 12b Semicircular groove 13 Lock screw holding plate 13a Connecting portion 13b U-shaped groove

Claims (3)

[Claims] 1. A shield cover (11) covers the entire circumference except for a contact-side arrangement region of connection terminals that are lined up in an insulator and a clamper region for focusing and leading out signal lines connected to each connection terminal. ), The plug connector (1) or the jack connector is covered over the entire circumference excluding the above two areas, and the jack connector or the flange for the plug connector is provided on both outer sides in the longitudinal direction of the plug connector (1) or the jack connector existing area. Lock screw (5,
5 ') is formed by a molding material which can be rotatably held by positioning it by two partition walls (3a', 3b ') formed so as to match the distance between the flange (5b) and the gripping portion (5c). The connector cover consisting of the mold cover body (3) and the lid cover (4) has the lock screw (5,
Separately from the positioning and holding means of 5 '), the lock screws (5, 5') are rotatably held by being attached or fixed to the corresponding side surface positions of the shield cover (11) between the two partition walls. A connector cover characterized in that it is provided with a lock screw holding means. 2. The lock cover holding means included in the connector cover according to claim 1, wherein the mold cover main body (3) is provided.
Constricted part formed in a slit-like groove (11d) formed by cutting from the end side at a side surface position of the shield cover corresponding to the center of the space between the two partition walls so as to match the groove width. When the lock screws (5) are sized so that they can be smoothly inserted between the two partition walls when they are fitted together by the (12a), the lock screws (5) are attached to the flanges (5b) at the opposite positions. ) And the grip portion (5c), the two lock screw holders are formed with a semicircular groove (12b) that holds the shaft portion in a rotatable manner.
A connector cover characterized by comprising (12). 3. The mold cover main body (3), wherein the lock screw holding means included in the connector cover according to claim 1 is provided.
It is fixed to the side surface of the shield cover corresponding to the space between the two partition walls, and the connecting part (13
The above 2 when a) is attached to the side of the shield cover.
The U-shaped grooves (3a, 3b) on the respective partition walls of the two pieces on the free end side in contact with the inner wall surfaces of the individual partition walls (3a ', 3b') are located at positions corresponding to the U-shaped grooves (3a, 3b). A connector cover characterized in that it is composed of a lock screw holding plate (13) having a U-shaped groove (13b) equal to