JP2002216928A - Lock releasing tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock releasing tool that facilitates releasing of locking state and protects the finger of the operator. SOLUTION: The lock releasing tool for releasing the locking state of a connector, which comprises a protrusion part 17a of which lock piece 17 engages with the opposite connector 31 and locks and a free top end part 21 that separates the protrusion part 17a from the opposite connector 31 in releasing the locking state and releases the engagement, comprises a fitting part 3 capable of fitting on the finger 51, and a protrusion 5 for releasing the locking state by pressing on the free top end part 21. The protrusion 5 protrudes to the outside from the outer face of the above fitting part 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unlocking aid used for unlocking a locked state between a connector and a mating connector.

[0002]

2. Description of the Related Art As a conventional connector, there is a connector which is connected to a mating connector so as to be able to be fitted / removed, and is in a locked state so as not to be easily detached from the fitted state when fitted. The connector 10 shown in FIG. 7 has an insulator 11 and a conductive contact 13 held by the insulator 11.

[0005] The insulator 11 has a contact receiving hole 12, a fitting portion 15 including the contact receiving hole 12 in which the contact 13 is incorporated, and a lock piece 17 for locking to a mating connector 31. In addition, a cable (not shown) is connected to the contact 13, and the cable is led out from the contact receiving hole 12 of the insulator 11.

The locking piece 17 is fitted in the fitting direction X of the fitting portion 15.
Are connected integrally on the upper surface of the insulator 11, are separated from the upper surface of the insulator 11, and extend from one end in the detaching direction Y. This lock piece 17
Is the mating connector 3 when the mating connector 31 is fitted.
1 has an elasticity and a restoring force so as to press and hold the fitting state to lock the state.

[0005] At the intermediate portion in the longitudinal direction of the lock piece 17 is provided a projection 17a which engages with the mating connector 31 in the locked state. Release direction Y of lock piece 17
The free end portion (additional pressing portion) 21 for pressing to release the lock state and releasing the engagement so as to separate the projection 17a from the mating connector 31 is released.

Further, on the upper surface of the insulator 11,
A pair of ribs 23 and 24 are formed.
The free end 21 of the lock piece 17 is located between the four.

On the other hand, the mating connector 31 has a mating fitting portion 35 having a large groove 32 for fitting the insulator 11.
Are formed, and a conductive mating contact 39 provided on the mating insulator 37 is provided.

The mating contact 39 shown in the figure is two pin contacts, and these pin contacts are inserted into the socket-shaped contact 13 and connected to each other when they are fitted together.

The mating insulator 37 has a mating lock portion 41 for guiding the lock piece 17 when the insulator 11 is fitted to the mating insulator 37 and for inserting the lock piece 17. The mating lock portion 41 has a groove shape that is continuous with the mating fitting portion 35.

That is, when the mating portion 15 of the connector 10 and the mating mating portion 35 of the mating connector 31 are mated, the protrusions of the lock piece 17 are fitted into holes 41 a formed in the groove bottom surface of the mating lock portion 41. The engagement is performed by the engagement of 17a. At this time, since the lock piece 17 has an elastic force, the free end portion 21 is deformed so as to slightly bend toward the upper surface of the insulator 11. When the mating portion 15 of the connector 10 and the mating mating portion 32 of the mating connector 31 are mated with each other, the projection 17a of the lock piece 17 is engaged with the hole 41a of the mating lock portion 41 by a restoring force. At this time,
The connector 10 and the mating connector 31 are locked.

The connector 10 and the mating connector 3
As shown in FIG. 8, the lock state of the lock piece 17 is released by placing the finger 51 of the hand between the pair of ribs 23 and 24 and slightly pressing the free end 21 of the lock piece 17 with the finger 51. When the projection 17a of the piece 17 is disengaged from the hole 41a of the lock part 41, the locked state is released. In this state, the connector 10 is separated from the mating connector 31 in the detaching direction Y.
Can be pulled out.

[0012]

However, the locked state of the mated connector 10 and the mating connector 31 is released by the finger 51, but the connector 10 and the mating connector 31 are miniaturized. Then, naturally, since the lock piece 17 becomes smaller than the width of the finger 51, there is a problem that the stimulation to the finger 51 increases and the free end 21 of the lock piece 17 cannot be pressed accurately.

The ribs 23 and 24 provided on the upper surface of the insulator 11 are provided on both sides of the free end 21 of the lock piece 17 to protect the lock piece 17 and prevent the cable from being pinched. When the locked state is released, the force of the finger 51 is hardly transmitted to the free end 21 of the lock piece 17.

SUMMARY OF THE INVENTION An object of the present invention is to provide an unlocking assisting device which can easily release the locked state of a small-sized connector and suppresses stimulation of a finger to improve work efficiency.

[0015]

According to the present invention, there is provided an insulator, and a conductive contact held by the insulator, wherein the insulator presses the mating connector when fitted to the mating connector. A lock piece having one end integrally connected to the insulator with elasticity and restoring force so as to maintain the fitted state, and the lock piece is pressed into the locked state by pressing the mating connector so as to maintain the fitted state. Lock release for releasing the locked state in a connector having a pressing portion and an additional pressing portion for releasing the pressing force by releasing the pressing portion by pressing when releasing the locked state. The auxiliary tool has a mounting portion that can be mounted on a finger of a hand, and a projection that presses against the additional pressing portion to release the locked state, and the projection is provided with the mounting device. Unlocking aid is obtained, characterized in that projects outwardly from the outer surface of the part.

[0016]

According to the unlocking assisting device of the present invention, the mounting portion of the unlocking assisting device is attached to the finger. To release the locked state between the connector and the mating connector after attaching the unlocking assisting tool to the finger of the hand, the additional pressing portion of the locking piece is slightly pressed by the protrusion of the unlocking assisting tool to release the locking piece. Since the protruding portion comes off the mating lock portion, the locked state is released. In this state, the connector can be pulled out from the mating connector in the detaching direction.

[0017]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lock release aid according to an embodiment of the present invention. FIG. 1 shows an embodiment of a lock release aid according to an embodiment. FIG. 2 shows a state in which the unlocking aid shown in FIG. 1 is attached to a finger. 3 to 6 show the respective surfaces of the unlocking aid shown in FIG.

In describing the use of the unlocking aid in this embodiment, the connector 10 and the mating connector 31 described in the conventional example of FIGS. 7 and 8 will be described. To

Referring to FIGS. 1 to 6, the unlocking assisting tool 1 includes a mounting portion 3 that can be mounted on a finger 51 and a connector 1.
0 and a projection 5 for pressing against the free end 21 of the lock piece 17 to release the locked state. The protruding portion 5 protrudes outward from the mounting portion 3.

The mounting portion 3 is formed in a shape that can be changed according to the size of the finger 51. That is, the mounting portion 3 is made of, for example, a rubber material having elasticity, a resin material having flexibility, or the like. In addition, not only the mounting part 3 but also the whole unlocking assisting tool 1 including the protruding part 5 can be made by integrally molding using an elastic rubber material, a flexible resin material, or the like. it can.

The outer shape of the mounting portion 3 is substantially the same as that of the distal end of the finger 51 so that the mounting portion 3 can be easily fitted to the finger, and the inside is a cavity corresponding to the distal end of the finger 51. In addition, a portion of the finger 51 facing the nail portion is a cutout portion 7.

The unlocking assisting tool 1 is formed in a rail shape with a dimension long in a predetermined direction so that the locking state can be released by pressing the projection 5 against the locking piece 17. The protrusion 5 is provided on the outer surface of the mounting section 3. Further, the protrusion 5 is formed to have a width smaller than the width between the pair of ribs 23 and 24 located on the upper surface of the insulator 11. Regardless of the size, the connector enters between the pair of ribs 23 and 24 of the connector 10 to release the locked state. In addition, the protrusion 5 is formed integrally with the mounting portion 3, and is not directly stimulated by the worker's finger 51 and does not directly stimulate the finger 51, so that the protrusion 5 serves to protect the finger 51. Fulfill. Further, not only the connector 10 shown in FIG. 7 but also a connector 10 having a smaller shape can be implemented by changing the shape of the projection 5. Specifically, the protrusion 5 can be formed in a hemispherical shape, a pillar shape, an elliptical shape, or the like instead of the rail shape.

Next, an operation of unlocking the locked state between the connector 10 and the mating connector 31 using the unlocking assistant 1 will be described. The operation up to the locked state between the connector 10 and the mating connector 31 is the same as the conventional example described with reference to FIG.

First, as shown in FIG. 2, the mounting portion of the unlocking aid 1 is attached to the finger 51 of the hand. At this time, the mounting portion 3 is moved to the position of the finger 5 so that the protrusion 5 is directed to a position on the belly of the finger 51.
Attach to 1. To release the locked state between the connector 10 and the mating connector 31 after the mounting in this manner, FIG.
When the protrusion 5 is opposed to the pair of ribs 23 and 24 and the free end 21 of the lock piece 17 is slightly pressed by the protrusion 5, the protrusion 17a of the lock piece 17
The lock state is released because it is removed from the first hole 41a.
In this state, the connector 10 can be pulled out from the mating connector 31 in the detaching direction Y.

[0025]

As described above, according to the unlocking aid of the present invention, since the lock is released by the projection, the locked state of the connector can be easily released regardless of the size of the operator's finger. Thus, the operator's finger can be protected.

Further, according to the unlocking aid of the present invention, the workability of a smaller connector can be maintained.

According to the auxiliary device for unlocking of the present invention, since the projection is provided on the mounting portion, the stimulation to the finger is suppressed, so that an improvement in working efficiency can be expected.

Further, according to the unlocking aid of the present invention, the lock of the small connector can be easily released, and the lock piece of the connector can be reduced in size.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of an unlocking assisting device according to the present invention.

FIG. 2 is a perspective view showing a state in which the unlocking aid shown in FIG. 1 is attached to a finger of a hand.

FIG. 3 is a plan view of the unlocking aid shown in FIG. 1;

FIG. 4 is a front view of the unlocking aid shown in FIG. 3;

FIG. 5 is a left side view of the unlocking aid shown in FIG. 3;

FIG. 6 is a bottom view of the unlocking aid shown in FIG. 3;

FIG. 7 is a perspective view showing a connector and a mating connector which are shown as objects to be unlocked by adopting the unlocking aid shown in FIG. 1;

FIG. 8 is an enlarged side view showing a conventional operation of releasing the locked state by a finger in the connector and the mating connector shown in FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Unlocking aid 3 Mounting part 5 Projection 10 Connector 11 Insulator 13 Contact 15 Fitting part 17 Lock piece 17a Projection 21 Free end 23, 24 Rib 31 Mating connector 35 Mating fitting part 39 Mating contact 41 Mating lock Part 51 finger

Claims (3)

[Claims] 1. An insulator comprising: an insulator; and a conductive contact held by the insulator, wherein the insulator presses the mating connector when mated with the mating connector so as to maintain the mating state. A locking portion having one end integrally connected to the insulator, the locking portion pressing the mating connector to lock the mating connector so as to maintain the fitted state, and releasing the locked state. An unlocking aid for releasing the locked state of the connector having an additional pressing portion for releasing the pressing force by releasing the pressing portion from the mating connector by pressing when attached to a finger of a hand. A mounting portion, and a protrusion for pressing the additional pressing portion to release the locked state, and the protrusion protruding outward from an outer surface of the mounting portion. Unlocking aid to be characterized. 2. The unlocking assistant according to claim 1, wherein the mounting portion is formed in a shape that can be changed according to the size of the finger. 3. The unlocking assistant according to claim 1, wherein the protrusion is formed to have a longer dimension in the predetermined direction.