JP2717350B2 - Connector with lock - 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 fitted to and connected to a mating connector such as an IC card or a memory card, and more particularly to a connector provided with an ejector for detaching the mating connector.

[0002]

2. Description of the Related Art A conventional example of this type of connector will be described with reference to FIGS. The connector 1 includes a plurality of pin contacts 6 for connecting to corresponding contacts (not shown) of a mating connector 80 such as a card, and a frame 2 holding these pin contacts 6 insulated. I have. The frame 2 is fitted to the mating connector 80 so that the corresponding contact can be moved in the direction of contact / removal corresponding to the pin contact 6. The frame 2 has an ejector 4 that can move forward and backward in the contact and detachment directions.
And a lever 3 rotatably fitted in a bearing hole 20 provided in the frame 2 and having one end engaged with an ejector 4. The lever 3 is moved by the advance operation of the ejector 4.
Is rotated, and the push-out portion 17 at the other end of the lever 3 moves the mating connector 80 in a direction in which the corresponding contact is separated from the pin contact 6.

FIG. 10 shows a state before the mating connector 80 is inserted into the hollow portion 7 of the connector 1, and the pushing portion 17 of the lever projects into the hollow portion 7. When the mating connector 80 is inserted into the hollow portion 7 through the connector fitting opening 8 as shown in FIG. 11, the pushing portion 17 is pushed out of the hollow portion 7 by the mating connector 80, whereby the lever 3 rotates, The ejector 4 protrudes.

When the projecting ejector 4 is pushed in again, the lever 3 rotates, and the pushing portion 17 is pushed out into the hollow portion 7, and the mating connector 80 is pushed out from the hollow portion 7. As a result, the corresponding contact is pin contact 6
Break away from

[0005]

As described above, as described above,
Conventionally, a structure is employed in which the mating connector is detached by pushing the ejector. However, in the conventional structure, when the mating connector is inserted into the connector, it is unavoidable that the ejector protrudes from the front surface, that is, the connector fitting opening by the length of the operation stroke.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a lock connector for locking an ejector for detaching a mating connector, and a lock connector with little projection of an ejector even when the mating connector is inserted. Is to provide.

[0007]

According to the present invention, there is provided a contact for connecting to a mating connector,
A frame fitted to the mating connector through a connector fitting opening so as to be able to move the mating connector in a direction of contacting / removing with respect to the contact; And an ejector for moving the mating connector in a direction to disengage the contact from the contact by a predetermined advancing operation, wherein the ejector is rotatable between a locked position and an unlocked position. Wherein the lock member engages with the frame when the lock member is at the lock position to lock the ejector.

[0008]

According to the present invention, when the connector insertion opening is not closed, the lock member extends the length of the ejector, thereby increasing the operation stroke of the ejector. When the lock member closes the connector insertion opening, the advance / retreat operation of the ejector is fixed by the lock member.

[0009]

An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a connector with a lock according to an embodiment of the present invention, showing an unlocked state, FIG. 2 is a perspective view showing the locked state, FIG. 3 is an exploded perspective view, and FIG. FIG. 5 is an enlarged perspective view of the same portion in a locked state, FIG. 6 is an exploded perspective view of the same portion, FIG. 7 is a plan view (a) and a front view (b). ).

In FIG. 1 and FIG. 2, a connector 1 with a lock includes an electrically insulating frame 2, a lever 3 rotatably attached to the frame 2, and a movable and retractable frame 60 in an arrow 60 direction. And a lock member 5 for locking the operation of the ejector 4. Frame 2
Are fixed to one end side thereof. The frame 2 has a hollow portion 7 that accepts a socket-type mating connector 80 such as an IC card or a memory card in the direction of an arrow 60 so that the mating connector 80 can be fitted into and removed from the mating connector 80 and inserts the mating connector 80 into the hollow portion 7. For the connector.

The mating connector 80 has a corresponding contact (not shown) that can come into contact with the pin contact 6 when fitted to the frame 2.

The frame 2 is composed of a guide frame 9 and a contact frame 10, as best shown in FIG. Guide frame 9 and contact frame 10
Are coupled to each other by mutual engagement between the engaging projection 11 and the engaging recess 12. The guide frame 9 is provided with a pair of parallel guide portions 13 and 14 on both sides for slidably receiving both side edges of the mating connector 80 and guiding the same. Outside the one guide part 14, a holder part 15 for holding the ejector 4 to be able to advance and retreat along this guide part 14 is provided. That is, the ejector 4 is held by the guide portion 14 so as to be able to advance and retreat in the direction of the arrow 60.

The contact frame 10 is substantially box-shaped, and has a plurality of pin contacts 6 arranged on one end side in a direction perpendicular to the connector fitting direction. The contact frame 10 has a space 16 that can receive the distal end of the mating connector 80 inside.

The lever 3 has a pushing portion 17 on one end side,
It has an engaging portion 18 on the other end side and a shaft 19 intermediate these. The shaft 19 is fitted in a bearing hole 20 formed in the upper and lower plates 26 of the contact frame 10. Thus, the lever 3 is held by the contact frame 10 so as to be rotatable about the shaft 19. The shaft 19 has a recess 21 at its axial center. The recess 21 is for avoiding contact with the side of the distal end of the mating connector 80 fitted to the frame 2, and a part of the shaft 19 is
Even in the space 16, the space 16 of the mating connector 80.
It does not prevent entry into the area. Extruded part 17
Is located out of the space 16 when the mating connector 80 is inserted into the frame 2,
When the connector 0 is disengaged from the frame 2, the ejector 4 is given a rotational movement about the shaft 19, and as a result, projects into the space 16 and is in a mating state.
Push 0 out of space 16.

The ejector 4 extends to the side of the contact frame 10 along the outside of the guide portion 14, and the tip of the ejector 4 contacts the engaging portion 18 of the lever 3. When the ejector 4 is in the ejected state where the lever 3 is pushed in the mating direction of the mating connector 80 by hand, the lever 3 is moved to the shaft 19.
, And push the extruded portion 17 into the space 16. When the user releases the hand pushing the ejector 4, the ejector 4 is returned to the original position by the spring 22.

Referring to FIGS. 4 and 5, the lock member 5 is provided with a bearing hole 25, engagement recesses 26 and 27, a cut 28, and a wedge 29. On the other hand, a lock shaft 23 and an engagement projection 24 are provided at the distal end of the ejector 4, as best shown in FIG. Bearing hole 2
The lock shaft 23 is fitted into the inside 5. Thus, the lock member 5 is attached to the tip of the ejector 4 so as to be rotatable around the lock shaft 23.

When the engaging projection 24 of the ejector 4 and the engaging recess 26 of the lock member 5 are engaged, the connector fitting opening 8 is opened, and the mating connector 80 can be inserted. When disconnecting the mating connector 80, the lock member 5 is rotated as shown by a chain line in FIG. The lock member 5 in this state has a shape in which the length of the ejector 4 is extended by the stroke of the pushing operation of the ejector 4, so that the mating connector 80 can be easily detached.

When the engaging projection 24 of the ejector 4 engages with the engaging recess 27 of the lock member 5, the connector fitting port 8 is closed by the lock member 5, and the mating connector 80 cannot be fitted or disconnected. It becomes possible. Thus, the lock member 5
The opening / closing member of the connector insertion opening 8 is also used. At this time, the ejector 4 is located at the back of the guide frame 9, that is, on the advancing side of the ejector 4 with respect to the connector fitting port 8.
Since the hook member 5 is abutted against the guide frame 9, the ejector 4 cannot move forward.

Returning to FIG. 3, the switch 30 is composed of two switch terminals 31 and 32 made of a conductor plate. The switch terminals 31 and 32 are incorporated outside the guide portion 14 so as to face each other inside and outside. When the lock member 5 is in the unlocked state, the switch terminals 31 and 32 are not in contact with each other as shown in FIG. 8, and the switch 30 is in the OFF state. On the other hand, when the lock member 5 is in the locked state, as shown in FIG. 9, the wedge 29 sets the switch 30 to the ON state in order to move the switch terminal 32 to the switch terminal 31 side and bring them into contact with each other.

The switch 30 is connected to the power supply of the main body of the device in which the connector 1 is incorporated, and switches ON / OFF of the power supply to the connector 1. In the present embodiment, ON / OFF of energization to the connector 1 is switched depending on whether the lock member 5 is in the locked state or the unlocked state.

[0022]

As described above, according to the present invention, a lock mechanism for locking an ejector for detaching a mating connector is provided, and an ejector is mounted even when the mating connector is inserted. And a connector with a lock having a small protrusion can be provided.

[Brief description of the drawings]

FIG. 1 is a perspective view of a connector with a lock according to an embodiment of the present invention in an unlocked state.

FIG. 2 is a perspective view of the locked connector of FIG. 1 in a locked state.

FIG. 3 is an exploded perspective view of the connector with a lock shown in FIG. 1;

4 is an enlarged perspective view of a lock mechanism of the connector with a lock in FIG. 1 in an unlocked state.

FIG. 5 is an enlarged perspective view of the lock mechanism of the connector with a lock in FIG. 1 in a locked state.

FIG. 6 is an enlarged exploded perspective view of a lock mechanism portion of the connector with a lock in FIG. 1;

FIGS. 7A and 7B are a plan view and a front view, respectively, of the connector with a lock shown in FIG. 1;

FIG. 8 is an enlarged view of a switch portion of the connector with a lock in FIG. 1 in an unlocked state.

FIG. 9 is an enlarged view of a switch portion in a locked state of the connector with a lock in FIG. 1;

FIG. 10 is a perspective view of a conventional example when a mating connector is not inserted.

FIG. 11 is a perspective view of a conventional example when a mating connector is inserted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connector with a lock 2 Frame 3 Lever 4 Ejector 5 Lock member 6 Pin contact 7 Hollow part 8 Connector fitting port 9 Guide frame 10 Contact frame 13, 14 Guide part 15 Holder 17 Push-out part 18 Engagement part 19 Axis 22 Spring 30 Switch Terminal 80 Mating connector

Claims (4)

(57) [Claims] A contact for connecting to the mating connector; and a mating connector fitted to the mating connector so that the mating connector can be moved in a direction of coming into contact with and detaching from the contact. And a connector provided with an ejector that is provided on the frame so as to be able to move forward and backward in the direction of contact and detachment, and that moves the mating connector in a direction to disengage from the contact by a predetermined advancing operation. The ejector is provided with a lock member that is rotatable between a lock position and a non-lock position, and when the lock member is in the lock position,
A connector with a lock, which locks the ejector by engaging with the frame. 2. The connector with a lock according to claim 1, wherein the center of the rotational movement of the lock member is located closer to the advancing side of the ejector than the connector fitting port, whereby the lock member is in the unlocked position. A connector with a lock, wherein the predetermined advancing operation of the ejector can be obtained only at a time. 3. The connector with a lock according to claim 1, further comprising a switch, wherein the switch is interlocked with the lock member. 4. The connector with a lock according to claim 1, wherein the connector fitting port is closed when the lock member is at a lock position, and the connector fit port is closed when the lock member is at a non-lock position. To open
A connector with a lock mechanism, characterized in that an opening / closing member interlocking with the lock member is provided.