CN1133499A

CN1133499A - Wire protective cover for connector

Info

Publication number: CN1133499A
Application number: CN95116165A
Authority: CN
Inventors: 佐川哲也
Original assignee: Whitaker LLC
Current assignee: Whitaker LLC
Priority date: 1994-10-17
Filing date: 1995-10-17
Publication date: 1996-10-16
Also published as: KR960015683U; KR200223251Y1; JP3209481B2; JPH08115764A; TW296856U

Abstract

The present invention provides a wire cover with connector in which a connector can be surely and easily fixed without largely changing its form. 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

The trunking of connector

The present invention relates to a kind of trunking of connector.

In the prior art, many electric wires that form terminal on connector put together usually from a direction and draw.Draw the direction of electric wire and protect electric wire and trunking is installed on connector in order to determine this.

As a this example, have by the real disclosed connector trunking of flat 5-69868 communique of opening.Express this connector trunking (being designated hereinafter simply as sheath) 100 in Figure 10, its cross section roughly is コ shape, is a kind of elongated sheath of being made by plastics etc.Rubber-like tongue piece 102 is set everywhere in this sheath 100.On tongue piece 102, be respectively equipped with roughly rectangular aperture 104.Sheath 100 is contained in the rear portion of connector 150, and hole 104 is interlocked with the projection 152 at connector 150 rear portions, and makes sheath 100 padlocks on connector 150.At this moment, electric wire W draws to the outside from the openend 106 of sheath 100.But, for sheath 100 stably is installed on the connector 150, just flange 154 must be set, and have the shortcoming that connector is maximized in the both sides of connector 150.If the padlock both sides just can not fixed.

Identical sheath is disclosed real opening in the flat 6-2577 communique.In them any all is that the sheath padlock is fixed in the both sides of connector.

As another existing example, be the real disclosed guard shield of flat 5-17961 communique of opening.This guard shield is contained on the connector in order to cover almost all connector back.But, in this case, can not block the gap between the shell of the door bolt arm of connector and connector, the electric wire tension that enters this gap has the danger that the door bolt arm is damaged.

The purpose of this invention is to provide a kind of like this sheath, it can be only be installed on the connector reliably in one-sided (side) of connector.This sheath that is provided only needs that general connector is carried out very little change in design and just can install, and installation property is good.

Another object of the present invention provides a kind of like this sheath, and it can prevent that electric wire is wrapped on the door bolt arm and the door bolt arm is damaged.

Sheath of the present invention is mounted in the connector trunking on the rear portion of corresponding connector, it is characterized in that, installing on the installation portion of usefulness of the trunking of above-mentioned connector, be provided with the logical portion that inserts in the hole of passing at least one side that is located at above-mentioned connector rear portion to above-mentioned connector; And with should insert logical portion position stagger configuration, carry out concavo-convex fastening and insert with above-mentioned that the portion of leading to matches, the fixing padlock portion of said wires sheath with above-mentioned rear portion.

And, sheath of the present invention is mounted in the connector trunking with the connector shell rear portion that is used for the door bolt arm that connector fastens mutually, it is characterized in that, on this connector trunking, be provided with protuberance, be used for blocking the free-ended both sides of above-mentioned door bolt arm with the gap between the above-mentioned shell, this protuberance is positioned at the position corresponding to above-mentioned both sides.

Describe most preferred embodiment of the present invention with reference to the accompanying drawings in detail.The parts identical with conventional example are represented with same-sign.

Fig. 1 represents the front view of connector trunking of the present invention;

The vertical view of the connector trunking in Fig. 2 presentation graphs 1;

The dorsal view of the connector trunking in Fig. 3 presentation graphs 1;

The upward view of the connector trunking in Fig. 4 presentation graphs 1;

The left view of the connector trunking in Fig. 5 (A) presentation graphs 1, Fig. 5 (B) represents its right view;

The sectional view that Fig. 6 (A) expression is cut off along the VIA-VIA line among Fig. 3, the sectional view that Fig. 6 (B) expression is cut off along its VIB-VIB line;

Fig. 7 represents the end view of connector trunking with the assembly of connector formation;

The upward view of the assembly in Fig. 8 presentation graphs 7;

The front view of the assembly in Fig. 9 presentation graphs 7;

Figure 10 represents the oblique view of the connector trunking of conventional example with connector.

Symbolic representation among the figure:

Fig. 1 represents the front view of connector of the present invention with trunking (being designated hereinafter simply as sheath) 1.Profile slightly is spill, by plastics forming.Jacket surface 2 is the parts that become the outside when connector 70 (referring to Fig. 7) is gone up when sheath 1 is installed in.Protuberance 4 is formed at the top at sheath 1.Left end is seen in the drawings is the groove 6 that the projection 82 (referring to Fig. 7) with connector 70 is interlocked.Padlock portion 10 is formed on the bottom at sheath 1.Opening 8 is the structures that are used to form padlock portion 10.And form the projection 14 be located on tongue piece (inserting logical portion) 12 (referring to Fig. 3) in bottom center portion.

Fig. 2 is the vertical view of sheath 1.On the upper wall 17 of the front of sheath 1 20 1 sides, form the breach 18 that extends to protuberance 4.In this breach 18, accommodate the free end 74 of the door bolt arm 72 (referring to Fig. 9) of connector 70.The ora terminalis 22 that is projected into the upper wall 17 of breach 18 central portions contacts to carry out the location of sheath 1 with connector 70.This be will be described below.

Fig. 3 is the dorsal view of sheath 1, i.e. the figure that one side is seen from the front.Front one side forms opening 23, holds connector 70 therein.The opening of electric wire W (not shown) usefulness is drawn in 24 expressions among the figure.The breach 28 that the diapire 26 of sheath 1 cuts in central portion forms.Tongue piece 12 extends forward perpendicular to paper in breach 28.On diapire 26, form the projection 11 that is projected in the opening 24, constitute padlock portion 10 together with diapire 26.This diapire 26 provides elasticity by breach 28.Padlock portion 10 staggers with tongue piece 12 positions, is installed on the connector by these padlock portions 10 and tongue piece 12.The back will be described in detail installation method.On the upper wall 32, sidewall 34 and the diapire 26 that form opening 23, all be provided with chamfering 30, can be easily mounted on the connector 70.

Fig. 4 represents the upward view of sheath 1.Conclusively show out the position of the projection 14 of

tongue piece

12,35 expression chamferings among the figure.

Fig. 5 (A) is the left view of the sheath in the presentation graphs 1.Can easily understand: jacket surface 2 by with the plane 2 of front surface 20 almost parallels ' and favour the plane 2 of front surface 20 " constitute.This surperficial shape can be taked arbitrary shape according to purposes.Groove 6 extends predetermined distance from jacket surface 2 to front surface 20, and forms the padlock portion with connector 70.The right view of the sheath 1 in Fig. 5 (B) presentation graphs 1 is clearly expressed the shape of opening shown in Figure 3 24.On the projection 14 that is located on the tongue piece 12, along forming perpendicular to the direction of tongue piece 12 that back with connector 70 contacts so that the contact-making surface 14 of sheath 1 location '.

The sectional view that Fig. 6 (A) expression is cut off along the VIA-VIA line among Fig. 3, the sectional view that the same expression of Fig. 6 (B) is cut off along the VIB-VIB line among Fig. 3.In Fig. 6 (A), conclusively show out with diapire 26 (referring to Fig. 3) all-in-one-piece padlock portion 10 and projection 11 thereof.In Fig. 6 (B), be understood that the ora terminalis 22 of upper wall 17 is with the contact-making surface 14 of the projection 14 of tongue piece 12 ' be positioned on the roughly the same position with respect to the installation direction of sheath 1.When being installed to sheath 1 on the connector 70, ora terminalis 22 and connect face 14 ' contact and make sheath 1 location with the rear surface (referring to Fig. 7) 76 of connector 70.

Fig. 7 is that expression is installed to the connector 70 of the state on the connector 70 and the right view of the assembly 50 that sheath 1 constitutes to sheath 1.The hole 80 that the top ends 36 of tongue piece 12 is inserted on the flange 78 that is located at connector 70, the projection 14 of tongue piece 12 contacts with the rear surface 76 of connector 70.Because tongue piece 12 patchholes 80, and guiding (guiding) member when becoming sheath and installing.When inserting, by the

chamfering

35,35 of tongue piece 12, tongue piece 12 is patchhole 80 sleekly.At this moment, the projection 11 of padlock portion 10 is along the outer side shifting of flange 78, in case cross flange 78 with regard to elastic reset.Clamp flange 78 and sheath 1 is installed on the connector 70 by tongue piece 12 and padlock portion 10.Though tongue piece is tabular in the present embodiment, also can be the bar-shaped arbitrary shape that waits.As shown in Figure 7, the ora terminalis 22 of the upper wall 17 of sheath 1 contacts with the rear surface 76 of connector 70.Moreover the

protuberance

4,4 of sheath 1 covers it like that with near two bights, top the rear surface 76 that encases connector 70, and finishes the location on sheath 1 top.

As shown in this embodiment, ora terminalis 38 (referring to Fig. 5) the phase padlock of projection 82 with the groove 6 of sheath 1 is set in the both sides of connector 70, just can increases installation strength.In this case, it is also harmless even without being interlocked with opening 24 to be positioned at the projection 82 of connector 70 at sheath 1 opening 24 places.

Fig. 8 is the upward view of the assembly 50 of connector 70 and sheath 1 formation.Find out easily that from this figure sheath 1 positions on the left and right directions of paper by tongue piece 12 and hole 80.When the electric wire W that draws from the opening 24 of sheath 1 was wound, the projection 11 by padlock portion 10 fastened with flange 78 and can stop sheath 1 to come off.

Fig. 9 is a front view of seeing assembly 50 from sheath 1 one

sides.By protuberance

4,4 cover door bolt arm 72 both sides 72 of connector 70 ', 72 ' and connector 70 shells 84 between gap 86.Stop electric wire W to enter gap 86 by it, damage thereby can prevent to fasten with a bolt or latch arm 72.Connector 70 from the connector (not shown) of its pairing when unloading, clamp the diapire 26 of door bolt arm 72 and sheath 1 with finger (not shown), push door bolt arm 72.So just can remove with unloading down with the fastening of its matching connector.Therefore, upward just can unload, bring harmful effect with the electrical connection of electric wire W can for terminal (not shown) owing to need not be added to electric wire W to power.

Though more than most preferred embodiment of the present invention at length is illustrated, self-evidently in technical scope of the present invention, can carry out suitable distortion, change.

For example, though sheath 1 is installed on the flange 78 of connector 70, under the situation that does not have flange 78, also can install.That is, tongue piece 12 inserted the hole on the back 76 that is located at connector 70, carry out concavo-convex fastening with the projection 11 of padlock portion 10 and just can fix being located at recess on the connector bottom surface 88.In this case, the hole is the hole that the end is arranged that does not have break-through.Equally, in the embodiment shown in fig. 7, when flange 78 was thicker, hole 80 also was the hole that the end is arranged that does not have break-through.

Also the projection that hole or recess replace padlock portion 10 can be set, and corresponding projection is set on connector 70 carries out concavo-convex fastening.

And the direction of drawing of lead W can be along the plug direction extension of connector 70.At this moment, preferably opening 24 is located on the jacket surface 2, identical with most preferred embodiment, when the connector plug, do not need to control electric wire W.

Because connector trunking of the present invention has the insertion portion in the hole of passing connector rear portion one side and carries out the padlock section of concavo-convex fastening with the stagger same connector of configuration of insertion portion position, be secured on the connector by insertion portion and padlock section, so have following effect:

Only by the hole being set at connector and being used for recess or the protuberance of padlock, just can be in company A side that connects device is fixed sheath reliably, and operability is good. Thereby can make connector little Type. If the projections such as formed flange have been arranged on the connector, just can utilize them to advance The concavo-convex fastening of row is so for sheath is installed, the design alteration of connector is minimum.

And, connector trunking of the present invention, block the door bolt arm free end both sides of connector with the protuberance in the gap between connector shell the correspondence position setting of both sides, thereby have following effect:

That is, because electric wire can not enter same crack, just can prevent from taking place because electric wire is tightened up The door bolt arm damages.

Claims

1, a kind of connector trunking is installed in the rear portion of corresponding connector, it is characterized in that,

Installing on the installation portion of usefulness of above-mentioned connector trunking, be provided with to above-mentioned connector: pass hole at least one side in above-mentioned rear portion that is located at above-mentioned connector insert logical portion and with this insert logical portion position stagger configuration, carry out concavo-convex fastening and insert with above-mentioned that the portion of leading to matches, the fixing padlock portion of said wires sheath with above-mentioned rear portion.

2, a kind of connector trunking is installed in the rear portion with the connector shell that is used for door bolt arm that connector is fastened mutually, it is characterized in that,

On this connector trunking, be located on the position corresponding to above-mentioned both sides blocking the protuberance of above-mentioned door bolt arm free end both sides with the gap between the above-mentioned shell.