JP3218393B2 - Connector malfunction prevention mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector,
The present invention relates to a malfunction prevention mechanism for a connector of a type in which a plug with a lever is fitted into a receptacle.

[0002]

2. Description of the Related Art Conventionally, this type of connector has a plug (plug side connector member) having a plurality of pin contacts,
A receptacle (receptacle-side connector member) having an insulator in which a socket contact for receiving the pin contact is implanted. On both sides of the plug, a pair of lever members (removal lever) for detaching the plug from the receptacle Are rotatably mounted.

In such a conventional connector, a lever member is provided in such a shape as to protrude outward on both sides in a longitudinal direction of a plug to which a cable is wired so as to be easily operated.
The mounting area of the receptacle can be reduced.

By the way, in the connector having the above-mentioned lever member, the detachment / removal operation of the connector can be easily performed, but when the connector is fitted, an external force in the lever operation direction is applied to the lever member by accident, that is, by mistake. is there. In this case, there is a problem that the lever member malfunctions and the connector is detached.

Now, a conventional example of a connector malfunction prevention mechanism will be described.

As a first conventional example, the lever member itself is fixed by another article (lever fixing part) so that the lever member does not perform the connector detachment operation.

As a second conventional example, a cover or the like is provided around the lever member so that no external force is applied to the lever member.

Further, as a third conventional example, the connector itself is forcibly fixed with parts such as screws.

[0009]

However, in the first conventional example, the lever member is forcibly operated in a state where the lever member is fixed, and the lever member is damaged, or another article (lever fixing part) is lost. May cause

Further, in the second conventional example, there is a possibility that the operability of the operation of fitting / removing the connector is deteriorated by the cover or the like.

Further, in the third conventional example, there is a problem that the mounting area of the receptacle becomes large.

Accordingly, the present invention has been made to improve such a conventional disadvantage, and a first technical problem is to prevent a lever from malfunctioning even when an external force in the lever operating direction is applied. The purpose of the present invention is to obtain a malfunction prevention mechanism for the connector.

A second technical problem of the present invention is to provide a connector malfunction preventing mechanism which does not damage a lever member and does not lose a lever fixing part.

A third technical object of the present invention is to provide a connector malfunction prevention mechanism which has good operability in fitting and disengaging the connector.

A fourth technical object of the present invention is to provide a connector malfunction prevention mechanism which can reduce the mounting area of the receptacle.

[0016]

The connector malfunction prevention mechanism of the present invention employs the following two means to solve the above-mentioned problems.

As a first means, a connector provided with a pull-out lever mechanism on one side of the mated connector will be described below.

1. A plug with multiple contacts,
A receptacle having an insulator, a side portion of the plug, a slider portion for sliding into a concave portion of the side portion of the receptacle to be in a connector fitting state, and a rotatable attached to the slider portion. A connector that slides and detaches the slider portion of the plug in the recess of the receptacle and pulls out the plug from the receptacle by tilting the lever member into the inside of the connector. The member includes a lever body rotatably attached to the slider portion and having a groove, an elastic member connected to the lever body and extending along the groove, and a member rotatably connected to the elastic member and rotatably connected to the bottom of the groove. With an auxiliary lever part to be guided,
The auxiliary lever portion is guided to move into the groove portion of the lever main body against the spring force of the connector outside by the elastic member, and the lever main body and the auxiliary lever portion are integrated with the elastic member. A connector malfunction preventing mechanism, wherein the connector is pulled down inside the connector in a direction different from the direction in which the connector is pushed into the groove, and the connector is removed.

As a second means, the following will describe a connector provided with a pull-out lever mechanism on both sides of the fitted connector.

2. A plug with multiple contacts,
A receptacle having an insulator, on both sides of the plug, a pair of sliders for sliding into recesses on both sides of the receptacle to be in a connector fitting state, and attached to these sliders. A pair of rotatable lever members are provided, and by tilting these lever members into the inside of the connector, the pair of slider portions of the plug are respectively slid and disengaged in the recesses of the receptacle, and the plug is removed from the receptacle. A connector to be removed, wherein each of the lever members includes a lever body rotatably attached to the slider portion and having a groove, an elastic member connected to the lever body and extending along the groove, and the elastic member. And an auxiliary lever portion rotatably connected to and guided by the bottom of the groove. , Guided so as to move each of the pair of auxiliary lever in the groove of the pair of the lever body against the spring force to the connector outside by the pair of elastic members,
A connector in which the lever body and the auxiliary lever are integrated together with the elastic member, respectively, and are respectively pushed down into the inside of the connector in a direction different from the direction in which the lever body and the auxiliary lever are pushed into the groove, and the connector is removed. Malfunction prevention mechanism.

[0021]

The connecting portion between the elastic member and the auxiliary lever functions as a movable and rotatable, that is, rotatable hinge mechanism along the groove of the lever body. The elastic member and the auxiliary lever portion can be stored in the groove of the lever body.

When the auxiliary lever is depressed, the auxiliary lever is guided into the groove. The lever body and the auxiliary lever portion function as an integrated lever member with an elastic member interposed.

When detaching the plug from the receptacle in the connector fitted state, first, the auxiliary lever portion is pressed down with, for example, the flat portion of the thumb of the hand. The auxiliary lever portion is guided in a pushing direction toward the inside of the groove portion of the lever body. As a result, the auxiliary lever is moved and guided to the bottom of the groove of the lever main body and is embedded therein. As a result, the auxiliary lever and the lever main body are integrated.

Next, the integrated body of the lever body and the auxiliary lever is operated in a direction different from the pushing direction, for example, so that the lever body and the auxiliary lever are tilted into the inside of the connector with the back of the index finger of the hand. At this time, the lever member integrated with the lever main body and the auxiliary lever rotates inwardly around the end of the lever main body according to the principle of leverage while the end of the lever main body abuts on the upper part of the protrusion. start. The rotational force based on the leverage principle causes the slider portion in the fitted state on the side of the plug to slide in the recess through the main body support. As a result, the slider part is detached from the concave part on the side of the receptacle, and the operation of detaching and removing the connector is performed.

Even if an external force in the lever operation direction, that is, inward of the connector is applied to the auxiliary lever, the auxiliary lever absorbs the external force by the action of the elastic member of the present invention, and the direction of the external force, that is, the inner side of the connector. The lever body is not affected by external force and does not malfunction.

When there is no external force, the auxiliary lever returns to the original position, and the connector fitting state is always maintained.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Example of Related Invention According to the Embodiment of the Present Invention) First, before describing the connector malfunction preventing mechanism according to an embodiment of the present invention, please refer to FIGS. Then, an example of a related invention according to the embodiment of the present invention will be described.

This type of connector 1 has a plug 3 having a plurality of pin contacts and an insulator 5 having a socket contact for receiving the pin contact.
1 is provided. Recesses are formed on both left and right sides of the receptacle 5, respectively. A pair of locking projections 6 are formed on each of the left and right recesses in the front and rear, respectively.

Withdrawal lever mechanisms are provided on both right and left sides of the connector, respectively, and only those on the right side are shown with reference numerals.

As a removal lever mechanism, a pair of slider portions 10-1 are provided integrally on the left and right sides of the plug 3, respectively, and slide vertically in the recess of the receptacle 5, respectively. A pair of levers 7 for detaching the plug 3 from the receptacle 5 are provided on these slider portions 10-1.
, A pair of columns 9, and a pair of coil springs 10 arranged around the columns 9.

Each of the levers 7 has an end 7-1, which comes into contact with an upper portion of a projection 5-2 provided adjacent to the recess of the insulator 5-1. Each of the recesses of the insulator 5-1 is formed so as to be recessed vertically and have a bottom. Projection 5-2
Has a predetermined thickness in the left-right direction.

On the other hand, the coil spring 10 urges the lever 7 to the outside of the connector.

Further, a pair of convex locking members 8 are provided around the lever 7 so as to interfere with each other on the pair of locking convex portions 6 so as to interfere with each other. It functions as a lock mechanism for preventing the connector from being easily detached.

Referring to FIG. 2, when performing the connector detachment operation, the lever 7 is pushed inward from the outside of the connector (arrows 11-1 and 11-2 indicate the direction of lever operation), and the lever lever is used. , The lever 7 is rotated with the end 7-1 as a fulcrum, and the connector is detached (indicated by an arrow 13).
The plug 3 is detached from the receptacle 5.

However, the example of the related invention has the same drawbacks as the conventional example described in the section of the prior art.

(One Embodiment of the Present Invention) Now, FIGS.
With reference to FIG. 7, a malfunction preventing mechanism for a connector according to an embodiment of the present invention will be described.

Connector 2 according to one embodiment of the present invention
1 is a plug 23 having a plurality of contacts (not shown)
And a receptacle 25 having an insulator 25-1 for receiving the plug 23. The insulator 25-1 has concave portions 26 that are concave in the vertical direction on both sides.

Withdrawal lever mechanisms are provided on both left and right sides of the mated connector, respectively, and only those on the right side are shown with reference numerals. The lock mechanism around the lever is omitted.

As an extraction lever mechanism, L is provided on both sides of the plug 23 so as to slide up and down in the recesses 26 on both sides of the receptacle 25 so as to be in a connector fitting / removing state.
A pair of slider portions 35 having a shape portion are integrally formed.

Further, a pair of lever members is attached to each of the slider portions 35 for detaching and removing the plug 23 from the receptacle 25 in which the plug 23 is fitted. The lever member 27 includes a lever body 27 rotatably mounted on the slider portion 35 and having a groove 27-1.
An elastic member 31 having one end connected to the lever body 27 and extending along the groove 27-1 and biasing the connector outward (upward) by its spring force; and an auxiliary column 32 at the other end of the elastic member 31. And an auxiliary lever portion 29 that is rotatably connected through the auxiliary lever portion 29. The auxiliary lever portion 29 includes a pressing portion that is pressed down by a flat portion of a person's thumb, and an arm portion having one formed integrally with the pressing portion and the other having an auxiliary column 32. The auxiliary lever portion 29 functions as a movable and rotatable, ie, rotatable, hinge mechanism.

In particular, referring to FIG.
It is formed vertically from the upper part of the lever main body 27 in the connector fitted state and has a bottom. One end of the elastic member 31 is attached and fixed to an upper portion of a slope adjacent to the vicinity of the bottom of the groove 27-1. Elastic member 31 and auxiliary column 32
The auxiliary lever 29 rotates along the groove 27-1.

When disconnecting the connector, the auxiliary lever 2
9 is pushed in a direction from the auxiliary lever portion 29 toward the lever main body 27 (a direction from top to bottom along the groove 27-1) and is guided to the bottom of the groove 27-1 to be integrated with the lever main body 27. Lever operation.
This is a feature of the present invention.

More specifically, on each side of the plug 23, a main body post 33 for rotatably moving the lever main body 27 and a coil spring 34 arranged around the main body post 33 are provided. Is formed. On the other hand, on both sides of the receptacle 25, projections 37 adjacent to the respective recesses 26 are formed. At the time of the connector detachment operation, the lever body and the auxiliary lever unit integrated with each other rotate about the upper end of the protrusion 37 as a fulcrum.

Next, referring to FIG. 8 to FIG.
A connector detaching operation for detaching the plug 23 from the receptacle 25 in a state where the connector 3 is fitted will be described.

As shown in FIG. 8, as a first operation, the pressed part of the auxiliary lever 29 is pushed downward from above against the spring force of the elastic member 31.

As shown in FIG. 9, as a second operation, an integrated lever body 27 and an auxiliary lever portion 29 are pressed down from both the left and right sides in the direction toward the inside of the connector and fall down.

As shown in FIG. 10, as a third operation,
The one in which the lever main body 27 and the auxiliary lever portion 29 are integrated is pushed down inside the connector and rotates. As a result, a connector disconnection operation is performed.

By the way, referring to FIG. 11, even if the external force F in the direction from
Is applied to the auxiliary lever portion 29.

The auxiliary lever 29 disposed at the other end of the elastic member 31 is pushed down inside the connector around the auxiliary support 32 and moves to absorb external force. Only when the auxiliary lever portion 29 is pushed down inside the connector, the connector fitted state is maintained. When the external force F disappears, the auxiliary lever 2
Reference numeral 9 denotes a structure which returns to the position shown in FIG. 5 by a spring force.

As described above, in the connector malfunction prevention mechanism of the present invention, the auxiliary lever portion 29 is embedded in the groove of the lever main body 27 to be integrated. It is not limited only to such an example.

For example, a configuration may be adopted in which the auxiliary lever portion 29 is slid left and right and sideways.

Although the above-mentioned lever member has an invariable shape, a structure is employed in which a part of the lever member, that is, a part which receives an external force, is made of a deformable elastic material to absorb the external force. May be.

[0053]

The malfunction preventing mechanism of the connector according to the present invention is as follows.
An auxiliary lever, which is movable and rotatable or rotatable via an elastic member along a groove of the lever body, is employed as a movable hinge mechanism. The lever member and the auxiliary lever are integrated with the elastic member as a lever member. It is designed to be operated.

Thus, even if an external force in the lever operating direction is applied, the auxiliary lever portion is merely pushed down inside the connector around the auxiliary support column, and the connector fitted state is maintained, thereby preventing malfunction of the lever.

Further, the lever member is not damaged and the lever fixing parts are not lost.

Further, it is possible to obtain a connector malfunction prevention mechanism which has good operability in fitting and disengaging the connector.

There is also an effect that the mounting area of the receptacle can be reduced.

[Brief description of the drawings]

FIG. 1 is an example of a related invention relating to a connector malfunction prevention mechanism according to an embodiment of the present invention, showing a state in which a plug 12 is fitted to a receptacle 13, a front view of a left half of a connector and a cross-sectional view of a right half of a connector. It is. The cross-sectional view of the right half of the connector is vertically cut along the line II in FIG.

FIG. 2 is a view showing a connector detached state in the malfunction preventing mechanism of the connector of FIG. 1;

3 is an enlarged view showing only a lever 7 and its related structure in the malfunction preventing mechanism of the connector shown in FIGS. 1 and 2. FIG.

FIG. 4 is a cross-sectional view taken along a line IV-IV in FIG.

FIG. 5 is a front view of the left half of the connector and a cross-sectional view of the right half of the connector, showing a connector fitting state according to the connector malfunction preventing mechanism according to the embodiment of the present invention. The right half of the connector is cut vertically along the line VV in FIG.

FIG. 6 is an enlarged cross-sectional view of the right side of the connector according to the right half of the connector of FIG.

FIG. 7 is a vertical cross-sectional view of the connector of FIG. 6 cut along a line VII-VII.

FIG. 8 is a diagram for explaining a first operation of a connector detaching operation according to the connector malfunction preventing mechanism according to the embodiment of the present invention.

FIG. 9 is a diagram for explaining a second operation of the connector detachment operation according to the connector malfunction prevention mechanism according to the embodiment of the present invention.

FIG. 10 is a diagram for explaining a third operation of the connector detachment operation relating to the connector malfunction prevention mechanism according to the embodiment of the present invention.

FIG. 11 is a perspective view of the auxiliary lever portion when an external force F applied from the auxiliary lever portion toward the lever body to the inside of the connector is applied to the auxiliary lever portion according to the connector malfunction prevention mechanism according to the embodiment of the present invention; It is a figure showing an operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector 3 Plug 5 Receptacle 5-1 Insulator 5-2 Projection part 6 Locking convex part 7 Lever 7-1 End part 8 Convex locking member 9 Prop 10 Coil spring 10-1 Slider part 11-1, 11-2 Lever Operating direction 13 Connector detaching direction 21 Connector 23 Plug 25-1 Insulator 25 Receptacle 26 Recess 27 Lever main body 27-1 Groove 29 Auxiliary lever 31 Elastic member (spring) 32 Auxiliary support 33 Main body support 34 Coil spring 35 Slider 37 Projection

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) H01R 13/633 H01R 13/639 H01R 24/00

Claims (4)

(57) [Claims] 1. A plug having a plurality of contacts and a receptacle having an insulator, wherein a side portion of the plug slides into a concave portion of a side portion of the receptacle to form a connector fitting state. A slider portion, and a rotatable lever member attached to the slider portion, wherein the lever member is tilted down inside the connector, so that the slider portion of the plug slides and detaches in a recess of the receptacle, and Wherein the lever member is rotatably mounted on the slider portion and has a groove, an elastic member connected to the lever body and extending along the groove, and the elastic member. An auxiliary lever portion rotatably connected to the member and guided to the bottom of the groove portion, A guide that guides the auxiliary lever portion to move into the groove portion of the lever main body against the spring force to the outside of the blade, and integrates the lever main body and the auxiliary lever portion together with the elastic member, A connector malfunction prevention mechanism, wherein the connector is pulled out of the connector in a direction different from the pushing direction into the groove to perform a connector removal operation. 2. The mechanism for preventing malfunction of a connector according to claim 1, wherein a projection is formed adjacent to a recess of the receptacle, and the lever body and the auxiliary lever are integrated with the elastic member. A connector that rotates about an upper portion of the protrusion as a fulcrum. 3. A plug comprising a plug having a plurality of contacts and a receptacle having an insulator, wherein both sides of the plug are slid into recesses on both sides of the receptacle to form a connector fitting state. A pair of slider portions, and a pair of rotatable lever members attached to the slider portions. The lever members are respectively depressed inside the connector, so that the pair of slider portions of the plug are recessed in the receptacle. A connector for sliding and detaching the plug from the receptacle, respectively, wherein each of the lever members is connected to the lever main body, the lever main body having a groove rotatably attached to the slider portion, and the lever main body. An elastic member extending along the groove, and rotatably connected to the elastic member; An auxiliary lever portion guided at the bottom of the groove portion. The auxiliary lever portions are moved into the groove portions of the pair of lever bodies, respectively, against the spring force of the pair of elastic members toward the outside of the connector. And each of the lever body and the auxiliary lever unit integrated with the elastic member is respectively fallen into the inside of the connector in a direction different from the pushing direction into the groove portion, and the connector removal operation is performed. Characteristic connector malfunction prevention mechanism. 4. The connector malfunction preventing mechanism according to claim 3, wherein a projection is formed adjacent to the recess of the receptacle, and the lever body and the auxiliary lever are integrated with the elastic member. Each of them let
A malfunction preventing mechanism for a connector, wherein the mechanism rotates around an upper portion of the protrusion.