JP2002313482A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To excellently engage a cam groove and a follower pin when initially fitting both housings. SOLUTION: An inlet 75 opening at a right angle to a front edge of a sliding plate 71 of a slider 70 is continuously provided at a starting end part 74A of the cam groove 74 formed on the sliding plate 71. In a part located slightly inside from the inlet 75, a pull-in part 80 having steep inclination is formed. When the female and male housings 10 and 20 are initially fitted, the follower pin 77 pushes the pull-in part 80 after advancing to the inlet 75 of the cam groove 74, and thereby the slider 70 moves by prescribed amount toward a forward position and a state in which the follower pin 77 enters the starting end part 74A side of the cam groove 74 is made. As a result, slip-off prevention of both of the housings 10 and 20 is performed and the follower pin 77 already enters the starting end part 74A of the cam groove 74, and thereby the continuous slider 70 can be smoothly pushed in.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector which is engaged and disengaged via a cam mechanism.

[0002]

2. Description of the Related Art As an example of this type of connector, a slider type connector as disclosed in U.S. Pat. No. 6,113,407 is known. In this connector, a slider having a cam groove is provided on one of a pair of connector housings fitted together so as to be able to advance and retreat in a direction intersecting the fitting direction, and the other connector housing is engaged with the cam groove. When the slider is in the retracted position and the two connector housings are fitted together, the follower pin faces the entrance of the cam groove, and when the slider is subsequently advanced, the follower pin is moved to the cam groove. And both connector housings are fitted together.

[0003]

By the way, in the above-described connector, when the connector housing is initially fitted and the follower pin is made to face the entrance of the cam groove, and then the slider is pushed in, the connector housing is used. However, in such a case, when the connector housings are displaced from each other, the follower pins cannot be guided into the cam groove from the entrance, that is, the slider cannot be pushed in smoothly. Further, there are cases where both connector housings come off while follower pins come out of the entrance. The present invention has been completed based on the above circumstances, and an object of the present invention is to make it possible for a cam groove and a follower pin to be well engaged when both connector housings are initially fitted. is there.

[0004]

According to a first aspect of the present invention, a cam groove is provided in one of a pair of connector housings fitted to each other. A slider is provided so as to be able to advance and retreat in a direction intersecting with the fitting direction, and the other connector housing is provided with a follower pin which can be engaged with the cam groove. The follower pin faces the entrance of the cam groove as the connector is fitted, and the follower pin is displaced along the cam groove as the slider advances and retreats.
In the connector configured to be detached, when the two connector housings are initially fitted to the entrance of the cam groove by a predetermined amount, the slider receives the pressing force of the follower pin and moves the slider toward the forward position by a predetermined amount. It is characterized in that it has a configuration in which a retracting portion for displacement is formed.

[0005]

According to the first aspect of the present invention, when the connector housings are initially fitted, the follower pin enters the inlet of the cam groove and then presses the retracted portion, whereby the slider is moved toward the forward position by a predetermined amount. Then, the follower pin moves into the starting end side of the cam groove. As a result, the connector housings are prevented from coming off, and the follower pins have already entered the cam grooves, so that the slider can be smoothly pushed in continuously.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
21 will be described with reference to FIG. In this embodiment,
FIG. 1 illustrates an example of a connector that uses a lever function by a slider to assist in fitting and disengaging. As shown in FIG.
A male connector housing 10 (hereinafter, referred to as a male housing) and a female connector housing 20 (hereinafter, referred to as a female housing) are provided so that the slider 70 is mounted on the female housing 20. Has become.

The male housing 10 is made of synthetic resin,
As shown in FIGS. 2 to 4, a small hood portion 12 is formed to project from a front surface of a horizontally long block-shaped main body portion 11. The male housing 10 is provided with two tabular male terminal fittings (large male terminal 14L and small male terminal 14S). More specifically, as shown in FIG. 2, four large male terminals 14L shown in the figure are arranged in a grid pattern and protruded from the rear end of the small hood portion 12 at the right end area as viewed from the front, and the remaining portions are provided. In the area, small male terminals 14S are protruded in three stages in rows of 14 shown in the figure. The space between the rows of the small male terminals 14S in the center and the lower row is wider than that between the rows of the small male terminals 14S in the middle and the upper row.

The male housing 10 is provided with ribs for preventing prying when the female housing 20 is fitted with the female housing 20 described later in detail. First, between the row of the small male terminals 14S at the center and the lower stage on the back surface of the small hood portion 12, a horizontal rib 16 having a length almost the entire length of these rows is provided. In parallel with the rows of On the lower surface of the horizontal rib 16, five reinforcing ribs 16A shown in the front and rear direction are formed at intervals. On the other hand, a cross rib 17 is erected so as to partition between the large male terminals 14L, and the cross rib 17 is formed with a cross at the base side, and a protruding piece portion 17 in a horizontal position from the center thereof.
A has a shape projecting forward. Also, on the outer peripheral surface of the small hood portion 12, three peripheral ribs 18 are formed, two on the left side and one on the right side as viewed from the front.

The female housing 20 is also made of a synthetic resin and is formed in a shape as shown in FIGS. In detail, a shape in which a large hood portion 22 that can be fitted outside the small hood portion 12 is provided around a flat tower portion 21 that can be fitted into the small hood portion 12 of the male housing 10 described above. Has become. A cover portion 23 is formed on the upper surface and the lower surface of the large hood portion 22 at predetermined intervals, and a slider 70 (described later) is provided between both the cover portions 23 and upper and lower surfaces of the large hood portion 22. An insertion passage 24 through which the sliding plate 71 is inserted is formed. This insertion passage 24
The front and rear sides are closed while the left and right sides are open.

In the above-mentioned tower portion 21, as shown in FIG. 6, a front stop portion 21A is formed as a separate piece in advance, and is integrally connected by retrofitting. This tower part 2
1, two types of female terminal fittings (large female terminal 26L)
And the small female terminal 26S) are accommodated. The large female terminal 26L (see the chain line in FIG. 9) has a known structure such as having a connection portion to be connected to the above-mentioned large male terminal 14L, and is crimped to the end of a thick electric wire. As shown in FIG. 6, the small female terminal 26S has a rectangular cylindrical connection portion 27 connected to the small male terminal 14S, and is crimped to the end of the thin electric wire w by caulking the barrel 28 at the rear end. ing. At a position near the front end of the upper surface of the connection portion 27, a locked portion 29 for a small lance 33S described later is formed, and a rear edge (jaw portion 30) of the upper surface of the connection portion 27 is formed by a retainer 40 described later. Can be locked.

[0011] As shown in FIG.
The large female terminal 26 described above is provided in the left end area viewed from the front.
Four large cavities 32L for accommodating L are formed in a lattice-like arrangement corresponding to the large male terminals 14L. In the remaining area, small cavities 32S in which the small female terminals 26S are accommodated correspond to the small male terminals 14S.
It is formed in three rows in individual rows. On the bottom surface of the large cavity 32L, a large lance 33L that is primarily locked to the large female terminal 26L is provided so as to be flexibly deformable. On the other hand, on the ceiling surface of the small cavity 32S, a small lance 33S which is primarily locked to the locked portion 29 of the small female terminal 26S is provided so as to be able to bend and deform.

A retainer 40 for double-locking the large and small female terminals 26L and 26S described above can be mounted on the female housing 20. This retainer 40 is made of a synthetic resin and is formed in the shape shown in FIGS. 7 and 8 and is roughly composed of a small female terminal locking portion 41S and a large female terminal locking portion 41L. Small female terminal locking part 41S
Are five arm portions 42 facing sideways as shown in FIG.
Are arranged at an interval in the up-down direction, and the left and right ends are connected by a vertical frame 43.
Of the five arms 42, the first, second and fourth arms 42 from the top function as double locking,
On the lower surfaces of the arms 42, locking projections 45 for locking the jaws 30 of the small female terminals 26S are formed at the same pitch as the small cavities 32S.

In the large female terminal locking portion 41L, two cantilever arms 46 are formed from the left vertical frame 43 of the small female terminal locking portion 41S so as to correspond to the upper and lower large cavities 32L. Is protruding. On the lower surface of each cantilever arm 46, a locking projection 47 for locking to the large female terminal 26L is formed at the same pitch as the large cavity 32L. At the right end of the retainer 40 in FIG. 7, an operation unit 48 for performing the insertion / removal operation is formed.

On the other hand, an intermediate position in the depth direction of the tower portion 21 of the female housing 20, specifically, a lance 33L,
As shown in FIGS. 6 and 8, a retainer insertion port 50 into which the retainer 40 described above can be inserted is formed slightly behind the formation position of the 33S, and the right side when viewed from the front is the entrance 50A. Has become. This retainer outlet 50
In the area where the small cavity 32S is formed, the small female terminal locking portion 41S can be inserted almost tightly, and two large female terminal locking portions 41L are further provided on the inner surface in the insertion direction. An insertion groove 51 into which the cantilever arm 46 is inserted is formed.

The uppermost and lowermost arm portions 42 constituting the small female terminal engaging portion 41S of the retainer 40 are provided with guide grooves 52 extending in the left-right direction on both front and rear surfaces thereof over the entire length. Both sides are relative overhanging edges 53,
A pair of front and rear locking pieces 54 are formed at the inner end of the overhanging edge 53 in the insertion direction so as to be elastically openable and closable.
As shown in FIG. 8, a temporary locking concave portion 55A and a main locking concave portion 55B are formed on the outer edge of each locking piece 54, as shown in FIG. On the other hand, as shown in FIG. 6, ribs 57 that can be fitted into the above-described guide grooves 52 of the retainer 40 are formed on the front and rear wall surfaces of the retainer insertion port 50 in the left-right direction. An insertion groove 58 that can be inserted from the locking piece 54 to the overhanging edge 53 is cut. Protrusions 59 are formed on the inner side of the insertion groove 58 so as to fit into the temporary locking recess 55A and the final locking recess 55B of the locking piece 54, respectively.

Therefore, when the retainer 40 is inserted into the retainer insertion port 50 and the projection 59 is fitted into the temporary locking recess 55A of the locking piece 54, the retainer 40 is held at the temporary locking position as shown in FIG. Is done. In this temporary locking position, the locking projections 45 and 47 are retracted to the labor side of the corresponding cavities 32S and 32L, and the insertion and removal of the corresponding female terminals 26S and 26L into and from the cavities 32S and 32L are allowed. It has become so. On the other hand, the final locking recess 55B of the locking piece 54
As shown in FIG. 10, the retainer 40 is held at the final locking position. In this full locking position, the locking projections 45 and 47 correspond to the corresponding cavities 32.
S, 32L, which is inserted into the female terminal 26S, 2
6L can be double-locked.

Further, the arm 42 provided with the locking projection 45 in the small female terminal locking portion 41S of the retainer 40.
Among them, the second and fourth arms 42 from the top
As shown in FIG. 7, guide grooves 52 </ b> A extending in the left-right direction are formed over substantially the entire length on both front and rear surfaces on the upper edge side. The guide groove 52A is open at the back end and has a dead end at the near side. On the other hand, on the front and rear wall surfaces of the retainer insertion port 50, ribs 57A that can be fitted into the guide grooves 52A are formed similarly in the left-right direction. The rib 57A is formed from a position slightly in from the entrance 50A of the retainer insertion port 50 to a position deep in the row of the small cavities 32S, and a front edge is tapered for guiding.

Further, as described above, in response to the fact that the rib for preventing prying is provided on the male housing 10 side,
The female housing 20 is formed with a groove for fitting them. Specifically, as shown in FIG. 5, the cross rib 17 is tightly fitted to the formation area of the four large cavities 32L on the front surface of the tower portion 21 so as to be located between these large cavities 32L. A cross groove 61 is formed. On the other hand, a lateral groove 62 in which the lateral rib 16 is tightly fitted is formed between the center and the lower row of small cavities 32S on the front surface of the tower portion 21. However,
As shown in FIG. 6, only the portion formed in the front stop portion 21A has a cross-sectional shape in which the horizontal rib 16 including the reinforcing rib 16A is tightly fitted. In addition, before and after the retainer insertion port 50 on the back side, a slightly larger horizontally long rectangular cross-sectional shape is formed without following the shape of the reinforcing rib 16A. A peripheral groove 63 into which the peripheral rib 18 of the male housing 10 can be fitted is also formed on the inner peripheral surface of the large hood portion 22.

As shown in FIG. 7, the retainer 40 has a through hole 6 between the third and fourth arms 42 from the top, through which the lateral rib 16 of the male housing 10 can be inserted.
5 are formed. The through hole 65 is formed slightly larger, especially in the height direction. However, in a state where the retainer 40 has shifted to the above-described full locking position, the detecting portion 66 that is the deep edge (the left edge in FIG. 7) of the through hole 65 in the insertion direction of the retainer 40 is moved to the horizontal groove 62 in the front stop portion 21A. Is set to match the inner edge 62A (left edge in FIG. 5). As shown in FIG. 3, at least the right corner of the leading edge of the lateral rib 16 as viewed from the front, that is, the portion inserted into the deep edge 62A of the lateral groove 62,
8 is attached.

A slider 70 is mounted on the female housing 20. The slider 70 is also made of synthetic resin, and as shown in FIGS. 11 and 12,
The pair of sliding plates 71 are formed in a gate shape in which the base ends thereof are connected to each other by a connecting plate 72. It is designed to be plugged in from. Both sliding plates 71
Is formed with a cam groove 74. The cam groove 74 extends from the leading end of the sliding plate 71 to the center in the length direction, and is formed in an inclined shape gradually inclined toward the rear edge in the width direction. An inlet 75 that opens at a right angle to the front edge of the sliding plate 71 is continuously provided at the start end 74 </ b> A of the cam groove 74.

On the other hand, on the male housing 10 side, as shown in FIG. 1 and FIG. A follower pin 77 that can be fitted to 74 is set up. As shown in FIG. 5, the front plate 78 of the upper and lower insertion passages 24 in the female housing 20 is provided with a through hole 79 at the center in the lateral width direction to allow the follower pin 77 to enter.

Here, in the above-described cam groove 74, a retraction portion 80 having a steep inclination is formed in a portion slightly inside from the entrance 75 thereof. For example, as shown in FIG. 19, when the follower pin 77 enters from the entrance 75 of the cam groove 74, the retraction portion 8 continues.
The function of moving the slider 70 to the right side in FIG. On one wall surface at a position slightly entering from the entrance 75 of the cam groove 74, a retaining projection 81 is formed which is retained on the follower pin 77 in a retaining shape.

A grip portion 83 used when the slider 70 is inserted and removed is set on the outer surface of the slider 70 on the base end side of both sliding plates 71. This grip 83
As shown in FIG. 1, the front end is formed into a so-called semi-elliptical shape with a rounded end, and four non-slip projections 84 are formed in the figure. However, one grip portion 83
As shown in FIGS. 11 and 12, the back side is cut into a thin wall, and a slit is formed around the back side, so that the lock piece 85 is also used as a deformable lock piece 85. On the lock piece 85 side, a non-slip protruding ridge 84 at the tip is
It has become. The lock claw 86 has a tapered surface on the front side (the left side in FIG. 12).

On the other hand, the left and right ends of the upper and lower cover portions 23 in the female housing 20 are, for example, left end portions as viewed from the front.
As shown in FIG. 7, an escape groove 88 is formed to fit and release the grip portion 83 of the slider 70, and one lower cover portion 23 is formed.
As shown in FIG. 17, a relief groove 88A into which the lock piece 85 can enter is formed.
A bridge 89A is inserted over the tip of the lock piece 85A.
A lock hole 89 into which the lock claw 86 is fitted and locked is formed. The right end is formed upside down from the left end.

As shown in FIG.
As shown in FIG. 12, a temporary lock piece 90 is formed at a position substantially corresponding to the center in the length direction of the cam groove 74 and at a position close to the rear edge. This temporary lock piece 90
Are protruded in a cantilever shape toward the base end side of the sliding plate 71 so as to be flexibly deformable, and a protrusion 91 is formed on the outer surface side of the protruding end.
Are formed. The rear side (the left side in FIG. 12) of the projection 91 is a tapered surface.

On the other hand, as shown in FIG. 1, the cover portion 23 of the female housing 20 is formed with a locking groove 93 at a central portion in the longitudinal direction at a position along the rear edge. The protrusion 91 of the temporary lock piece 90 can be freely fitted in the locking groove 93, and the front side is closed at both ends in the length direction. The slider 70 is inserted through the insertion passage 24 of the female housing 20 from the left side in FIG.
Is locked to the left edge of the locking groove 93 on the left side in the figure, so that the slider 70 is held at the retracted position in a retaining state. In the retracted position, as shown in FIG.
9.

On the other hand, the position where the connecting plate 72 is pushed in until it hits the left side surface of the female housing 20 is the forward position. In this forward position, as shown in FIG. And is locked by being fitted into the lock hole 89 of the. In addition, when the slider 70 is mounted from the right side of the female housing 20, the same operation as described above is exhibited, and thus the duplicated description will be omitted. That is, depending on the arrangement position of the connector, it is possible to select the direction in which the operation of inserting the slider 70 or the like is easier.

This embodiment has a structure as described above,
Next, an example of an assembling procedure will be described. Female housing 2
On the 0 side, after the packing 95 is attached to the outer periphery of the base portion of the tower portion 21, the front stop portion 21A is integrally connected (see FIG. 16). At the same time, the packing 95 is prevented from coming off. Next, the retainer 40 is inserted into the retainer insertion port 50.
Insert During the insertion, the guide grooves 52, 52A provided on the front and rear surfaces of the arm portion 42 of the retainer 40 relatively enter the corresponding ribs 57, 57A on the wall surface of the retainer insertion port 50, and the locking piece. The portion from 54 to the overhanging edge 53 enters the insertion groove 58, and the cantilever arm 46 enters the insertion groove 51 on the back surface.

When the retainer 40 is pushed close to the end, the insertion groove 58 is inserted into the temporary locking recess 55A on the back side of the locking piece 54.
The protrusion 59 is elastically fitted, so that the retainer 40 is temporarily held at the temporary locking position as shown in FIG. At this temporary locking position, each locking projection 45, 47 is retracted to the near side of the corresponding cavity 32S, 32L. In particular, on the side of the small female terminal locking portion 41S, the guide grooves 52, 52A and the ribs 57, 57A, or the protruding edge 5
Since the concave and convex are fitted over substantially the entire length of the arm 42, such as the insertion groove 58, the arm 42 is prevented from being curved and deformed despite its elongated shape. Therefore, unnecessary deformation of the deformed portion into the small cavity 32S is avoided, and the small cavity 32 of the small female terminal 26S is prevented.
Smooth insertion and removal into S is ensured. Also, the guide groove 5
2, 52A and the ribs 57, 57A, or the overhanging edge 53 and the insertion groove 58, respectively, function as guides, and the insertion of the retainer 40 itself is smoothly performed.

When the retainer 40 is held at the temporary locking position as described above, the female terminal is mounted. When the small female terminal 26S is inserted into the corresponding small cavity 32S from behind,
When the small lance 33S is depressed while being flexed and deformed and pushed into a predetermined position, the small lance 33S is restored and locked to the locked portion 29, whereby the small female terminal 26S is primarily locked. Similarly, the large female terminal 26L is inserted into the corresponding large cavity 32L from the rear, the large lance 33L is elastically locked, and the large female terminal 26L is also primarily locked.

When the insertion of the large and small female terminals 26S, 26L is completed, the retainer 40 is further pushed in from the temporary locking position, and the temporary locking recess 55A replaces the temporary locking recess 55A.
5B, the retainer 40 is moved to the position shown in FIG.
As shown in FIG. Here, each locking projection 45 on the small female terminal locking portion 41S side enters the corresponding small cavity 32S, and fits after the jaw portion 30 of the small female terminal 26S inserted into the small cavity 32S. The small female terminal 26S is double-locked in a retaining state. On the other hand, each locking projection 47 on the side of the large female terminal locking portion 41L enters the corresponding large cavity 32L, and fits behind the jaw portion of the large female terminal 26L inserted into the large cavity 32L to form a large female terminal. The terminal 26L is double-locked in a retaining state.

At the same time, the slider 70 is mounted on the female housing 20 in advance. The slider 70 is inserted into the insertion passage 24 from the left side of the female housing 20, for example, and is pushed to the forward position at a stretch. That is, first, the temporary lock piece 90 is pushed in while being bent and deformed, and the temporary lock piece 90 is fitted into the locking groove 93 while being deformed and restored along the way, and proceeds along the same. In the final stage of the pushing, the lock piece 85 bends and deforms as the lock claw 86 rides on the bridge 89A,
When the connecting plate 72 hits the left side surface of the female housing 20, as shown in FIG.
Is exceeded, the lock claw 86 is fitted into the lock hole 89 while the lock piece 85 is restored and deformed, and is held at the forward position.

The female housing 20 is mounted on the male housing 10 with the slider 70 mounted at the forward position as described above.
Is carried into the fitting work site. Then, prior to fitting the two housings 10 and 20, the slider 70 is returned to the retracted position. In this case, when the upper and lower gripping portions 83 (one of which is the lock piece 85) of the slider 70 are gripped with fingers, the lock piece 85 is bent inward and deformed, so that the lock claw 86 comes out of the lock hole 89, and the lock 70 is locked. Is released, the slider 70 is pulled while holding the grip portion 83. During this time, when the temporary lock piece 90 returns along the locking groove 93 and the pulling is stopped when the protrusion 91 hits the edge of the locking groove 93, the slider 70 is held at the retracted position shown in FIG. Becomes

Then, the male housing 10 is fitted into the large hood portion 22 of the female housing 20, as shown by the arrow in FIG. In that case, the ribs 16, 17 and 18 provided on the male housing 10 side are fitted into the corresponding grooves 61, 62 and 63 provided on the female housing 20 side,
Fits straight without twisting. Here, in the female housing 20, there may be a case where the retainer 40 has already been shifted to the full locking position, but has forgotten it and is kept at the temporary locking position. At that time, as shown in FIG. 18, since the detecting portion 66 which is the deep edge of the through hole 65 of the retainer 40 faces the inside of the deep edge 62A of the horizontal groove 62, the horizontal rib 16 is inserted into the horizontal groove 62. When entering, the corresponding end hits the detection unit 66,
Further fitting is restricted.

As a result, it is detected that the retainer 40 has not been pushed down to the final locking position, that is, it is in a half-inserted state. Therefore, the retainer 40 may be pushed again and held at the final locking position. Note that, when the retainer 40 is held in the half-inserted state close to the final locking position, the detection unit 66 faces slightly inward of the deep edge 62A of the lateral groove 62 as shown by a chain line in FIG. State. On the other hand, the corners of the corresponding ends of the lateral ribs 16 are rounded 68 (FIG. 3), so that when the lateral ribs 16 enter the lateral grooves 62, the roundness 68 of the lateral ribs 16 By pressing against the edge, the retainer 40 is automatically moved to the full locking position.

When the fitting of the two housings 10 and 20 is started normally, the follower pin 7 on the male housing 10 side is used.
7 enters the entrance 75 of the cam groove 74 through the through hole 79,
When the male housing 10 is further pushed in, as shown in FIG. 19, the follower pin 77 pushes the far side edge (upper side edge in the drawing) of the drawing-in portion 80, and the slider 70 moves forward following the inclination thereof. Move a predetermined distance toward the position. As a result, the follower pin 77 enters the starting end 74A of the cam groove 74. At the same time, the follower pin 77 is hooked on the side edge on the near side of the retraction portion 80, thereby preventing the male housing 10 from coming off.

Subsequently, as shown by the arrow in FIG. 19, the slider 70 is pushed toward the forward position. As a result, FIG.
As shown at 0, the male housing 10 is gradually pushed into the female housing 20 by mainly pressing the follower pin 77 at the side edge on the front side of the cam groove 74. Slider 7
When 0 is pushed to the forward position, the follower pin 77 also moves to the terminal end 74B of the cam groove 74, as shown in FIG. 21, whereby the male and female housings 10, 20 are properly fitted. When the slider 70 is pushed to the forward position, as described above, the lock claw 86 of the lock piece 85 is fitted into the lock hole 89 and locked in a locking state (see FIG. 17). Are locked in the proper fitting state.

In order to release the engagement between the housings 10 and 20, when the grip portion 83 of the slider 70 is gripped from the state shown in FIG. 21, the lock piece 85 is bent and deformed to release the lock. The slider 70 is pulled. Then, the male housing 10 is gradually pushed out in a direction away from the female housing 20 mainly by pushing the follower pin 77 at the side edge on the far side of the cam groove 74. Slider 7
When the male housing 10 is pulled back to the retracted position, the follower pin 77 is returned to the entrance 75 of the cam groove 74.
The male housing 10 can be detached from the female housing 20 while being pulled forward through 9.

As described above, according to the present embodiment,
When the male and female housings 10 and 20 are initially fitted, the follower pin 77 enters the entrance 75 of the cam groove 74 and then presses the retraction portion 80, so that the slider 70 moves a predetermined amount toward the forward position, and the follower pin 77 Enters the starting end 74A side of the cam groove 74. As a result, the two housings 10 and 20 are prevented from coming off, and the follower pin 77 has already entered the start end portion 74A of the cam groove 74.
0 can be pushed smoothly toward the forward position.

<Other Embodiments> The present invention is not limited to the embodiments described above and illustrated in the drawings. For example, the following embodiments are also included in the technical scope of the present invention. In addition, various changes can be made without departing from the scope of the invention. (1) In the above embodiment, the slider can be mounted from either the left or right side. However, only one of the sliders may be mounted, and such a slider is also included in the technical scope of the present invention. (2) The slider may be mounted on the male housing.

[Brief description of the drawings]

FIG. 1 is a plan view of a male and female housing before fitting according to an embodiment of the present invention.

FIG. 2 is a front view of a male housing.

FIG. 3 is a partially cutaway plan view thereof.

FIG. 4 is a partially cutaway side view thereof.

FIG. 5 is a front view of the female housing.

FIG. 6 is an exploded longitudinal sectional view thereof.

FIG. 7 is a cross-sectional view showing the structure of the insertion portion of the retainer.

FIG. 8 is a cross-sectional view as viewed from the bottom surface.

FIG. 9 is a cross-sectional view of the state where the retainer is at a temporary locking position.

FIG. 10 is a cross-sectional view showing a state where the retainer is at a final locking position.

FIG. 11 is a bottom view of the slider.

FIG. 12 is a longitudinal sectional view thereof.

FIG. 13 is a front view of the female housing in a state where the slider is mounted at the forward position.

FIG. 14 is a plan view thereof.

FIG. 15 is a side view thereof.

FIG. 16 is a longitudinal sectional view thereof.

FIG. 17 is a bottom view thereof.

FIG. 18 is a front view of the state where the retainer is held at the temporary locking position.

FIG. 19 is a partially cutaway plan view showing an initial fitting state of the male and female housings.

FIG. 20 is a partially cutaway plan view showing the fitting process.

FIG. 21 is a partially cutaway plan view showing the fitting completed state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Male housing 20 ... Female housing 24 ... Insert passage 70 ... Slider 71 ... Sliding plate 74 ... Cam groove 74A ... Start end part 75 ... Inlet (of the cam groove 74) 77 ... Follower pin 80 ... Retraction part

Claims (1)

[Claims] A slider having a cam groove is provided in one of a pair of connector housings fitted to each other so as to be able to advance and retreat in a direction intersecting the fitting direction, and the other connector housing is provided. Is provided with a follower pin which can be engaged with the cam groove. When the slider is at the retracted position, the follower pin faces the entrance of the cam groove as the two connector housings are fitted together, and In a connector in which the follower pins are displaced along the cam groove as the arm moves forward and backward, the two connector housings are fitted and disengaged. When fitted, the slider is displaced by a predetermined amount toward the forward position under the pressing force of the follower pin. Connector, characterized in that the cell pull portion is formed.