JP3025886B1 - Connector lock release mechanism - Google Patents

Abstract

A lock release mechanism for a connector facilitates unlocking and pulling out of a connector with respect to a housing by one operation. SOLUTION: When a connector 2 is pushed into a housing 1 while being guided by an inclined surface 7 at a distal end, the connector 2 is locked with a locking projection provided on an inner surface of a side wall 1c of the housing 1 so that the connector 2 is locked. A lock claw 6 is provided on the outer side of the connector 2 to protrude in the axial direction by giving a spring property by being separated from the side surface of the connector 2, and an inclined recess 6 c is provided at the center of the surface of the lock claw 6 from the inside of the tip. On the other hand, a slide bar 8 is disposed on the lock claw 6 so as to be slidable in the axial direction. 6c.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable connector unlocking mechanism which is fitted and locked in a cable fitting housing.

[0002]

2. Description of the Related Art Conventionally, a connector locking mechanism for a housing has a locking claw having a spring property provided on a side portion of the connector and protruding forward by pushing a connector into the housing. The locking claw is elastically returned to the outside after being pressed and deformed inward by being brought into contact with and guided by the inclined surface in front of the locking projection provided, and the connector is engaged with the locking projection and locked. Is locked to the housing.

[0003]

However, in the above-described conventional connector locking mechanism, to unlock the connector, the locking claw is pressed and deformed inward by using a screwdriver or other tools to lock the housing. It is necessary to perform two operations, i.e., the operation of releasing the engagement with the protrusion and the operation of pulling out the connector from the housing while maintaining the unlocked state, and the operation of pulling out the connector while maintaining the unlocked state is an operation. However, there are problems such as complicated operation, poor workability, and long time.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has been made in consideration of the following problems.
An object of the present invention is to provide a connector unlocking mechanism that can easily perform unlocking by one operation.

[0005]

In order to achieve the above object, a connector locking mechanism according to the present invention is provided on an inner surface of a side wall of the housing by pushing the connector into a housing while guiding the connector with an inclined surface at a tip end. A locking claw that is provided on the outer side of the connector so as to engage with the locking protrusion and lock the connector so that the connector is separated from the side surface of the connector to provide spring properties and protrude in the axial direction; An inclined recess is formed in the center of the surface of the surface of the lock so as to incline upward from the inner side to the outer side, and a slide bar is disposed on the lock claw so as to be slidable in the axial direction, and is formed at a lower portion of the distal end. The part is fitted into the inclined concave part of the lock claw.

[0006]

The locking claw of the connector is locked to the locking projection on the inner surface of the housing side wall, and the connector is fitted and locked in the housing. In the locked state of the connector, when the slide bar is pulled and slid in the pull-out direction of the connector, when the slide bar is slid, the protrusion at the lower end of the slide bar fitted into the inclined recess on the surface of the lock claw causes the inclined recess to be inclined. Abuts on the locking claw along the inclined surface, but since the outer surface of the slide bar is in contact with the inner surface of the housing side wall and does not move outward or is deformed. Since the projecting portion is pushed like a wedge between the inner surface of the housing side wall and the inclined surface, the locking claw is pressed and deformed inward, the engagement with the engaging projection is released, and the connector is unlocked. You.

Further, by pulling the slide bar in the above-described direction, the connector is pulled out of the housing. In other words, the unlocking and pulling out of the connector can be easily performed by one operation and without the need for tools.

When the slide bar is slid in a direction opposite to the unlocking state in a state where the connector is pulled out of the housing, the projecting portion of the slide bar slides on the inclined surface of the inclined concave portion to thereby slide the inclined surface. The lock claw is elastically returned to its original position by its own spring property by being fitted into the housing.In this state, the lock claw is pushed into the housing, so that the locking claw is provided on the inclined surface provided at the front of the locking protrusion of the housing. Guided by the contact, the lock claw and slide bar tip are pressed and deformed inward, and the connector is fitted into the housing to the predetermined position, and at the same time, the lock claw elastically returns outward and locks with the locking protrusion. Then, the connector is locked.

Even if the connector is fitted into the housing while the slide bar is unlocked, the tip of the housing is formed on a gentle slope, and after the slope of the tip of the slide bar contacts the slope, The slide bar can be automatically returned to the original position before the lock claw is locked by abutting the lock claw.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a connector unlocking mechanism according to the present invention will be described below with reference to the drawings. 1 is a cross-sectional view of a main part in a state where the connector is fitted and locked in a housing, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1, and FIG. 3 is a line BB in FIG. FIG. 4 is an exploded perspective view of the connector and the slide bar, FIG. 5 is a cross-sectional view of a main part in a state before the connector is fitted, and FIG. FIG. 7 is a cross-sectional view of the main part in a state where the connector is fitted and locked in the housing, FIG. 8 is a cross-sectional view of the main part in an unlocked state of the connector, FIG.
10 is a cross-sectional view of a main part in a state where the connector is pulled out from the housing, FIG. 10 is a cross-sectional view of the main part in a state where the connector is initially fitted with the slide bar being pulled, and FIG. FIG. 12 is a cross-sectional view of a main part in a state where the connector is being fitted while the slide bar is being pulled, and FIG.

As shown in FIGS. 1 and 3, the housing 1 for fitting a cable connector has a bottom wall 1a and right and left (FIG.
The upper and lower side walls 1b and 1c (FIG. 3) are formed in a substantially concave shape on the side surface. 1 and 3 is provided with a concave groove 4 for slidably engaging a ridge 3 protruding from one side wall 2 (FIGS. 1 and 3).
In the left and right directions).

The housing 1 is, as shown in FIG.
On the inner surface of the other side wall 1c, a locking locking projection 5 is provided.
At the front of the locking projection 5,
An inclined surface 7 for pressing and deforming a lock claw 6 and a slide bar 8 described later by pushing the connector 2 into the housing 1 is formed to be inclined downward and inward from the front end to the rear.

The connector 2 has a rear portion (left portion in FIGS. 1 and 3) at a wide portion 2a and a front portion (right portion in FIGS. 1 and 3) fitted to the housing 1 at a narrow portion 2b. Each pair of two locking claws 6, 6 is formed at a position of the widened portion 2 a corresponding to the locking projection 5 described above.
Is projected forward (to the right in FIGS. 1, 2 and 3) in parallel with the outer surface of the narrow portion 2b.

As shown in FIG. 4, the pair of lock claws 6, 6 are fixed to the left and right upper surfaces on the left and right sides of the distal end of the plate-like portion 6a extending from the widened portion 2a to the narrowed portion 2b. The locking projections 6b, 6b protrude at an interval, and an inclined recess 6c is formed between the projections 6b, 6b. And is formed.

As shown in FIGS. 1, 3 and 4, the distance from the base end of the plate-shaped portion 6a to the tip end of the lock claw 6, 6 is equal to the outside surface of the narrow portion 2b of the connector 2. The lock claws 6 and 6 are provided with a spring property so that the lock claws 6 and 6 are elastically deformed inward at a distance a.

Further, the upper corner portions of the protrusions 6b, 6b of the lock claws 6, 6 are formed on the inclined surfaces 6e, 6e so as to be inclined downward from the rear to the inside of the distal end, as shown in FIG. Then, by pushing the connector 2 into the housing 1, the above-described inclined surfaces 6 e,
6e abuts, the protrusions 6b, 6b are guided on the inclined surface 7 by the pushing force, and the lock claws 6, 6 are pressed and deformed inward, so that the connector 2 is inserted into the housing 1 as shown in FIG. The lock claws 6, 6 are elastically restored, locked to the locking projections 5 of the housing 1, and locked.

A flat slide bar that slides in the axial direction (left and right in FIGS. 1 to 3) is provided between the projections 6b and 6b from above the plate 6a at the bases of the pair of lock claws 6 and 6 described above. 8 is superposed. As shown in FIGS. 1 and 4, the slide bar 8 is formed with a projecting portion 8a projecting downward from the front end, and the rear end face of the projecting portion 8a is moved from the lower front end to the rear inside. It is formed on the inclined surface 8b that rises and is fitted into the inclined concave portion 6c between the two protruding portions 6b, 6b of the lock claws 6, 6, described above. The upper end of the slide bar 8 is formed on an inclined surface 8c which comes into contact with the inclined surface 7 of the housing.

The slide bar 8 is in the state before the connector 2 is fitted to the housing 1 shown in FIG. 5 and the connector 2 is connected to the housing 1 shown in FIGS.
Are locked so that the surfaces thereof are flush with the surfaces of the protrusions 6b, 6b of the lock claws 6, 6, and the base is located on one side of the widened portion 2a of the connector 2. This portion is inserted into a guide hole 9 formed long in the axial direction (the left-right direction in FIGS. 1 to 4).

1 to 4 in the guide hole 9.
As shown in FIG. 5, a window hole 9a is formed so as to open outward, and a projection 8d projecting from the upper surface of the slide bar 8 is fitted in the window hole 9a so as to be slidable in the axial direction. is there.
That is, the slide bar 8 is pulled in the direction of arrow b shown in FIG.
b, between the inclined surface 6d of the inclined concave portion 6c and the inner surface of the housing side wall 1c, the lock claws 6, 6 are pressed and deformed inward as a wedge, and the position at which the connector 2 is unlocked and the unlock position In this state, the slide bar 8 is slid in the opposite direction to the above-described direction, and the window hole 9 is moved so that the slide bar 8 is slid only between the positions where the lock claws 6 are elastically returned to the original positions. Axial length L of
On the other hand, the axial length l of the projection 8d is made small.

The slide bar 8 may be pushed back with the finger of the hand holding the connector 2 to release the lock, and the lock may be released. However, as shown in the drawing, the slide bar 8 extends from the slide hole 9 of the slide bar 8. If the pull-out tab 10 is fixed to the protruding end and the slide bar 8 is formed to slide with the tab 10, the pull-out of the pull-out tab 10 makes unlocking and pulling out of the connector 2 more convenient. . In other words, pull-out tab 1
The connector 2 is pulled out of the housing 1 integrally with the pull-out tab 10 by pulling the pull-out tab 10 in a state where the rear edge of the projection 8d of the zero is locked to the rear edge of the window hole 9a.

Thus, the connector 2 is connected to the housing 1
When the connector 2 is fitted into the housing 1 again after being pulled out from the connector, the slide bar 8 is pushed forward and slid back to the original position. Even when the connector 2 is fitted to the housing 1, the connector can be properly fitted and locked to the housing 1.

That is, as described above, when the locking claws 6, 6 of the connector 2 are removed from the locking projections 5 of the housing 1, the pressing force of the housing 1 on the locking claws 6, 6 is released, and the plate-like shape is released. The portion 6a rises, whereby the tip of the slide bar 8 is pressed and held obliquely upward as shown in FIG. 10, while the angle of the inclined surface 7 of the housing 1 is gently inclined as shown in FIGS. When the connector 2 is fitted to the housing 1 at the beginning, the inclined surface 8c at the tip of the slide bar 8 abuts first, and then the inclined surfaces 6e of the lock claws 6, 6 during the fitting. If it is configured to abut, the inclined surface 8b at the tip of the slide bar 8 slides on the inclined surface 6d of the inclined concave portion 6c of the lock claws 6, 6 and is pushed forward to return to the original position.
As shown in FIG. 12, by pressing the connector 2 as it is, the locking claws 6, 6 are locked to the locking projections 5 of the housing 1 and locked.

At this time, since the lock claws 6, 6 of the connector 2 are pushed down to fit into the housing 1, the slide bar 8 is released from the pressing force of the lock claws 6, 6, thereby facilitating movement. It is.

1 to 3, reference numeral 11 denotes a motherboard to which the housing 1 is fixed, 12, 12,.
Indicates a plurality of signal terminals that stand on the motherboard 11 at regular intervals in the biaxial direction.

[0025]

Since the present invention is constructed as described above, the slide bar is slid in the pull-out direction of the connector, so that the lock is released and the pull-out of the connector with respect to the housing is easily and simply performed by one operation. Can be performed.

Further, even if the connector is fitted into the housing with the slide bar pulled backward from the connector,
When the slide bar tip is pressed against the inclined surface of the housing tip, it is pushed forward and returns to its original position, so the locking claw of the connector is not locked without being caught by the locking projection of the housing. Without being in a state, the locking protrusion is securely locked by the elastic return action of the lock itself.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an embodiment of a lock release mechanism for a connector according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a sectional view taken along line BB in FIG. 2;

FIG. 4 is an exploded perspective view of a connector and a slide bar in the lock mechanism of the connector.

FIG. 5 is a sectional view of a main part showing a state before the connector is fitted to the housing.

FIG. 6 is a sectional view of a main part showing a state at the beginning of fitting of the connector to the housing.

FIG. 7 is a sectional view of a main part showing a state where the connector is fitted and locked in the housing.

FIG. 8 is a cross-sectional view of a main part showing the unlocked state of the connector.

FIG. 9 is a sectional view of a main part showing a state where the connector is pulled out of the housing.

FIG. 10 is a cross-sectional view of a main part of a state at the beginning of connector fitting with the slide bar being pulled with respect to the housing.

FIG. 11 is a cross-sectional view of a main part in a state where the connector is being fitted while the slide bar is pulled with respect to the housing.

FIG. 12 is a cross-sectional view of a main part in a state where the connector is fitted and locked in the housing in the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 2 Connector 5 Locking protrusion 6 Lock claw 6c Inclined recessed part 7 Inclined surface 8 Slide bar 8a Projection

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

Claims (1)

(57) [Claims] The connector is pushed into the housing while being guided by an inclined surface at a tip end thereof, so that the connector is engaged with a locking projection provided on the inner surface of the side wall of the housing so that the connector is locked so that the connector is locked. Along with providing a locking claw that protrudes in the axial direction by providing a spring property by separating from the connector side surface, an inclined concave portion is formed at the center of the surface of the locking claw by being inclined upward from the inside of the tip to the outside of the rear, and formed. On the other hand, a slide bar is disposed on the lock claw so as to be slidable in the axial direction, and a protruding portion formed at the lower end of the slide bar is fitted into the inclined recess of the lock claw. Release mechanism.