JPH08115764A - Wire cover for connector - Google Patents

Abstract

PURPOSE: To provide a wire cover with connector in which a connector can be surely and easily fixed without largely changing its form. CONSTITUTION: A wire cover with connector has a tongue piece 12 and a latch engaging part 10. The top end part 36 of the tongue piece 12 is inserted to the hole 80 of the flange 78 of a connector 70 to bring the projection 14 of the tongue piece 12 into contact with the rear surface 76 of the connector 70. The latch engaging part 10 provided on both sides of the tongue piece 12 is elastically returned after the projection 11 on its front end is moved along the flange 78, and irregularly engaged with the flange 78. A cover 1 is fixed to the connector 70 by these tongue piece 12 and latch engaging part 10.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wire cover for a connector.

[0002]

2. Description of the Related Art A plurality of electric wires terminated in a connector are usually led together in one direction. A wire cover may be attached to the connector to orient the derived wire and protect the wire.

As an example of this, there is a wire cover for a connector disclosed in Japanese Utility Model Laid-Open No. 5-69868. FIG. 10 shows this connector wire cover (hereinafter simply referred to as “cover”) 100, which has an elongated U-shaped cross section and is made of plastic or the like. The cover 100 is provided with four elastic tongue pieces 102. Each of the tongue pieces 102 is provided with a substantially rectangular hole 104. The cover 100 is mounted on the rear portion of the connector 150, and the hole 104 and the projection 152 on the rear portion of the connector 150 are engaged with each other to lock the cover 100 on the connector 150. At this time, the electric wire W is led out from the open end 106 of the cover 100. However, in order to stably attach the cover 100 to the connector 150, it is necessary to provide the flanges 154 on both sides of the connector 150, which has a disadvantage that the connector becomes large. Moreover, it cannot be fixed without latching both sides.

A similar cover is disclosed in Japanese Utility Model Publication No. 6-2577. In either of these, covers are latched and fixed to both sides of the connector.

As another conventional example, there is a protector disclosed in Japanese Utility Model Laid-Open No. 5-17961. The protector is attached to the connector so as to cover substantially the entire rear surface of the connector. However, in this case, the gap between the latch arm of the connector and the housing of the connector is not closed, and there is a possibility that the electric wire that has entered this gap is pulled and the latch arm is damaged.

An object of the present invention is to provide a cover which can be securely attached to a connector only on one side (one side) of the connector. Another object of the present invention is to provide a cover that can be attached to an ordinary connector with a minimum design change, and that has a better mountability.

Yet another object is to provide a cover that prevents the wires from tangling in the latch arm and damaging the latch arm.

[0008]

The cover of the present invention is a connector electric wire cover attached to the rear portion of a corresponding connector, wherein at least the rear portion of the connector is attached to the connector electric wire cover attaching portion to the connector. An insertion portion that is inserted through a hole provided on one side, and a latch engagement that is disposed in a position displaced from the insertion portion and that engages with the rear portion in a concavo-convex manner and that cooperates with the insertion portion to fix the wire cover. And a section are provided.

Further, the cover of the present invention is a wire cover for a connector which is attached to a rear portion of a main body of a connector having a latch arm for engaging the connectors with each other, wherein the wire cover for the connector has a free end portion of the latch arm. It is characterized in that protrusions for closing a gap between both sides and the main body are provided at positions corresponding to the both sides.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. The same parts as those in the conventional example will be described using the same reference numerals.

FIG. 1 is a front view of a connector wire cover (hereinafter, simply referred to as a cover) 1 of the present invention. The outer shape is almost concave and is made of plastic. The cover surface 2 is a portion that becomes an outer side when the cover 1 is attached to the connector 70 (see FIG. 7). A protrusion 4 is formed on the top of the cover 1. The connector on the left edge of the figure is
The slot 6 engages with the projection 82 (see FIG. 7) of 70.
A latch engagement portion 10 is formed on the bottom of the cover 1.
The opening 8 is for forming the latch engagement portion 10. Further, a protrusion 14 provided on the tongue piece (insertion portion) 12 (see FIG. 3) is formed at the center of the bottom portion.

FIG. 2 is a plan view of the cover 1. Cover 1
A notch 18 extending to the protrusion 4 is formed in the upper wall 17 on the front surface 20 side. The notch 18 receives the free end 74 of the latch arm 72 (see FIG. 9) of the connector 70. Notch
The edge 22 of the upper wall 17 protruding in the center of 18 is the connector 70.
The cover 1 is positioned by abutting against. This will be described later.

FIG. 3 is a rear view of the cover 1, that is, a front view. An opening 23 is formed on the front surface side, and the connector 70 is received therein. Reference numeral 24 in the drawing denotes an opening through which the electric wire W (not shown) is led out. The bottom wall 26 of the cover 1 is formed with a notch 28 which is notched at the center. The tongue piece 12 extends toward the front in the notch 28 in a direction perpendicular to the plane of the drawing. The bottom wall 26 is formed with a projection 11 that projects into the opening 24, and is configured as the latch engagement portion 10 together with the bottom wall 26. The bottom wall 26 is given elasticity by the notch 28. The latch engagement portion 10 and the tongue piece 12 are displaced from each other, and are attached to the connector 70 by the latch engagement portion 10 and the tongue piece 12. The mounting method will be described later in detail. Top wall 32, side wall 34 and bottom wall 26 forming opening 23
A chamfer 30 is provided on the connector to facilitate the attachment to the connector 70.

FIG. 4 shows a bottom view of the cover 1. The position of the projection 14 on the tongue 12 is clearly shown. Reference numeral 35 in the figure indicates chamfering.

FIG. 5A is a left side view of the cover shown in FIG. A plane 2'where the cover surface 2 is substantially parallel to the front surface 20,
It can be easily understood that it is composed of a flat surface 2 '' inclined to the 20 side. The shape of this surface can be any shape depending on the application. The slot 6 extends from the cover surface 2 side to the front surface 20 side by a predetermined distance and constitutes an engaging portion with the connector 70. FIG. 5B shows a right side view of the cover 1 of FIG. The shape of the opening 24 shown in FIG. 3 is clearly shown. Further, the projection 14 provided on the tongue piece 12 has an abutment surface 14 ′ which comes into contact with the rear surface of the connector 70 to position the cover 1.
Is formed in a vertical direction with respect to.

FIG. 6A is a sectional view taken along line VIA-VIA of FIG. 3, and FIG. 6B is also VIB of FIG.
-A cross-sectional view taken along line VIB is shown. In FIG. 6A, the latch engagement portion 10 and the projection 11 thereof which are integrated with the bottom wall 26 (see FIG. 3) are clearly shown. It can be seen in FIG. 6B that the edge 22 of the upper wall 17 and the contact surface 14 'of the projection 14 of the tongue 12 are located at substantially the same position with respect to the mounting direction of the cover 1. When the cover 1 is attached to the connector 70, the edge 22 and the contact surface 14 ′ contact the rear surface (see FIG. 7) 76 of the connector 70 to position the cover 1.

FIG. 7 is a right side view of the connector 70 and cover 1 assembly 50 showing the state where the cover 1 is attached to the connector 70. The tip end portion 36 of the tongue piece 12 is inserted into a hole 80 formed in the flange 78 of the connector 70, and the projection 14 of the tongue piece 12 abuts on the rear surface 76 of the connector 70. The tongue piece 12 is inserted into the hole 80 to serve as a guide when the cover is attached. During insertion, the tongue 12 is smoothly inserted into the hole 80 by the chamfers 35, 35 of the tongue 12. At that time, the protrusion 11 of the latch engagement portion 10 moves along the outside of the flange 78 and elastically returns when it exceeds the flange 78. Thus, the cover 1 is attached to the connector 70 so that the tongue piece 12 and the latch engagement portion 10 sandwich the flange 78. The tongue has a plate shape in this embodiment, but may have any shape such as a rod shape. The edge 22 of the upper wall 17 of the cover 1 is in contact with the rear surface 76 of the connector 70 as shown in FIG. On the other hand, the protrusions 4 and 4 of the cover 1 are capped so as to cover both upper corners near the rear surface 76 of the connector 70.
The upper part of the is positioned.

Further, as in the present embodiment, the projections 82 are provided on both sides of the connector 70 so that the edge 38 of the slot 6 of the cover 1 (see FIG.
(See (A)) to increase the mounting strength. In this case, the projection 82 of the connector 70 on the side of the opening 24 of the cover 1 need not be engaged with the opening 24.

FIG. 8 shows an assembly 50 of the connector 70 and the cover 1.
FIG. The cover 1 can be seen easily from this figure.
The tongue piece 12 and the hole 80 allow lateral positioning in the plane of the drawing. In addition, the electric wire W led out from the opening 24 of the cover 1
Even if the cover is twisted, the protrusion 11 of the latch engagement portion 10 and the flange 78 are engaged with each other, so that the cover 1 is prevented from coming off.

FIG. 9 is a front view of the assembly 50 as seen from the cover 1 side. On both sides 72 'of the latch arm 72 of the connector 70,
The gap 86 between the 72 'and the body 84 of the connector 70 is the protrusion 4,
Covered by 4. As a result, the electric wire W is prevented from entering the gap 86, so that the latch arm 72 is prevented from being damaged. When disconnecting the connector 70 from the mating connector (not shown), the latch arm 72 and the bottom wall 26 of the cover 1 are held by fingers (not shown), and the latch arm 72
Press. Thereby, the engagement with the mating connector may be released and the connector may be removed. Therefore, the electric wire W can be removed without applying a force, so that the electric connection between the terminal (not shown) and the electric wire W is not adversely affected.

The preferred embodiments of the present invention have been described above in detail, but it goes without saying that they can be appropriately modified and changed within the scope of the gist of the present invention.

For example, the cover 1 is a flange of the connector 70.
Although it is attached to 78, it can be attached even without the flange 78. That is, it is possible to insert the tongue piece 12 into the hole provided on the rear surface 76 of the connector 70 and fix the concave portion provided on the bottom surface 88 of the connector 70 and the projection 11 of the latch engaging portion 10 by engaging the concave and convex portions. . In this case, the holes may be bottomed holes that do not penetrate. Similarly, in the embodiment of FIG. 7, when the flange 78 is thick, the hole 80 may be a bottomed hole that does not penetrate.

Instead of the protrusion 11 of the latch engaging portion 10, a hole or a recess may be provided, and a corresponding protrusion may be provided on the side of the connector 70 to engage the concave and convex portions.

Further, the lead-out direction of the conductive wire W may be extended along the inserting / removing direction of the connector 70. In this case, the opening 24 may be provided in the cover surface 2, and it is not necessary to grip the electric wire W when the connector is inserted or withdrawn, as in the preferred embodiment.

[0025]

The electric wire cover for a connector of the present invention has an insertion portion which is inserted into the hole at one side of the rear portion of the connector, and a latch engagement portion which is displaced from the insertion portion and engages with the connector unevenly. Since the insertion portion and the latch engagement portion are fixed to the connector, the following effects are obtained.

The cover can be securely fixed on one side of the connector only by providing the connector with the concave portion or the convex portion for the latch engagement with the hole, and the operability is also good. Therefore, the connector can be downsized. If there are already protrusions such as flanges that are often formed on the connector, they can be used to engage and disengage the protrusions, so the design change of the connector for mounting the cover is minimal.

Further, the electric wire cover for a connector of the present invention is
Since the protrusions for closing the gap between the both sides of the free end of the latch arm of the connector and the body of the connector are provided at the corresponding positions on both sides, the following effects can be obtained.

That is, since the electric wire does not enter the gap, the damage of the latch arm caused by the pulling of the electric wire can be prevented.

[Brief description of drawings]

FIG. 1 shows a front view of a wire cover for a connector of the present invention.

2 is a plan view of the connector wire cover of FIG. 1. FIG.

3 shows a rear view of the contact electric wire cover of FIG. 1. FIG.

FIG. 4 shows a bottom view of the connector wire cover of FIG. 1.

5A is a left side view of the connector wire cover of FIG. 1. FIG. Similarly, (B) shows a right side view.

6A is a sectional view taken along line VIA-VIA in FIG. Similarly, (B) shows a sectional view taken along line VIB-VIB.

FIG. 7 shows a side view of an assembly of a wire cover for a connector and a connector.

FIG. 8 shows a bottom view of the assembly of FIG.

FIG. 9 shows a front view of the assembly of FIG.

FIG. 10 shows a perspective view of a conventional wire cover for a connector together with a connector.

[Explanation of symbols]

 1 Connector wire cover 4 Projection 10 Latch engagement 12 Insertion 70 Connector 72 Latch arm 72 'Both sides 74 Free end 80 Hole 84 Body 86 Gap

Claims (2)

[Claims] 1. An electric wire cover for a connector to be attached to a rear portion of a corresponding connector, wherein an attaching portion of the electric wire cover for a connector is inserted into a hole provided on at least one side of the rear portion of the connector. And a latch engaging portion that is disposed so as to be displaced from the insertion portion, engages with the rear portion in a concavo-convex manner, and cooperates with the insertion portion to fix the wire cover. Electric wire cover. 2. A wire cover for a connector, which is attached to a rear portion of a main body of a connector having a latch arm for engaging the connectors with each other, wherein the wire cover for the connector includes both sides of a free end portion of the latch arm and the main body. A wire cover for a connector, characterized in that protrusions for closing a gap between the wire cover and the connector are provided at positions corresponding to the both sides.