KR100496409B1 - Connector - Google Patents

Abstract

A plurality of connection terminals are easily coupled between the housings.

The receiving housing 1 accommodates the convex terminal 6 on the side wall side of the receiving housing 1, and at the same time, the receiving housing 1 and the insert housing 3 are concave and convex. The terminal 8 is accommodated in contact with each other, and the receiving housing 1 is provided with a leaf spring 39 that expands above the bottom wall 31 and is inverted downward. The top portion 31a of the leaf spring 39 is reversed when pressed by the shaft portion 25 of the insertion housing 3 through the fitting hole 34a of the bottom wall 31 of the receiving housing 1, It expands below the bottom wall 31 of the housing 1 and abuts against the die 45 of the bracket 2, and the end 39c of the leaf spring 39 inserts the receiving housing 1 into the housing 3. Press on the side.

Description

Connector {CONNECTOR}

The present invention relates to a connector which can couple a receiving housing containing a first connecting terminal group and an insertion housing containing a second connecting terminal group to be connected to the first connecting terminal group by a slight pressing force.

[Prior art]

Conventionally, when the connection of electric wires, such as an electric device, is performed using a connector, the number of poles of the connection terminal of a connector may be large.

However, if the connection terminals are multipolarized in this way, there is a problem that a considerable force is required to couple the housings of the connectors while ensuring a good electrical connection state.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a connector that can be easily coupled to housings even when a large number of connection terminals are used, using the pressure force accumulated in the connector.

EXAMPLE

1 is a perspective view of a state in which the housing 1 is attached to the dash panel P of the vehicle through the bracket 2, and FIG. 2 is the housing of the receiving housing 1 in a state of being attached to the dash panel P. FIG. Fig. 3 is an exploded perspective view of the receiving housing 1, and Fig. 4 is a sectional view of the two housings 1 and 3 fitted together.

The receiving housing 1 is held on the bracket 2 fixed to the dash panel P so as to be able to move slightly up, down, left and right, and in the front and rear directions, and the insert housing 3 is fixed to the instrument panel (not shown). It is. In the receiving housing 1, the terminal part 5 of the laminated flat cable 4 provided with the at least one bending part 4a has the receiving housing 1 in four orthogonal directions on the side of the receiving housing 1, for example. Introduced in Convex terminal 6 is fixed to each terminal part 5 which has a substantially flat fan shape of laminated flat cable 4, and is connected to electric wire 7 to insertion housing 3, and is connected to convex terminal 6 The recessed terminal 8 is accommodated.

FIG. 5 shows a partial cross-sectional view of the concave terminal 8 and the convex terminal 6 which are not yet connected to the electric wire. The concave terminal 8 has a terminal connecting portion 10 for receiving the convex terminal 6, a slightly narrow intermediate portion 11, and a core wire crimping portion 12 for crimping the core wires of the electric wires 7. Is installed. The terminal connecting portion 10 has a cylindrical shape, and three flexible pieces 14 are provided therein as a plurality of, for example, three cutouts 13 are formed. The front end side of the flexible piece 14 is folded inward, and the flexible contact piece 15 which can receive and press-contact a convex terminal 6 is formed.

The convex terminal 6 includes a cover 16 having a hemispherical distal end portion which is press-fitted between the flexible contact pieces 15 of the concave terminal 8 and a cover to be described later of the terminal portion 5 of the laminated flat cable 4. The fitting part 17 which fits into the terminal exposure hole of and the fastening part 18 fixed to the exposed part of the conductor of the laminated flat cable 4 mentioned later are provided. The tip of the connecting portion 16 can be formed in a hemispherical shape by pinching, for example, three protruding pieces protruding from the fitting portion 17.

A recess 21 is formed in the upper surface of the circumferential main body 20 of the insertion housing 3, and a plurality of terminal accommodating holes 22 for accommodating the concave terminal 8 are arranged in the main body 20. The concave terminal 8 is stopped in this terminal accommodating hole 22 so that it cannot escape. 6, the flange part 23 is provided in the upper part of the main body 20, and the taper part 24 is provided in the lower surface of the flange part 23. As shown also in the perspective view seen from the bottom view of FIG. In the center of the lower surface of the main body 20, the shaft part 25 protrudes downward, and the guide part 25a and the annular groove 25b are provided in the lower part of this shaft part 25 sequentially at the lower end. The lower surface 26 of the main body 20 around the shaft portion 25 has an end portion 26a and the shaft portion 25 side is raised in a step shape. On the peripheral side of the lower surface 26, four locking projections 27 protrude downward. And between the shaft part 25 and the locking projection 27, the fitting groove 28 to which the partition wall of the receiving housing 1 mentioned later is fitted is formed, and the terminal connection part of the concave terminal 8 is provided. 10 is arrange | positioned so that the lower surface 26 of the main body 20 may be followed. In addition, what is necessary is just to provide the recessed part 21 and the flange part 23 as needed.

On the other hand, the bottom wall 31 is provided in the lower part of the cylindrical main body 30 of the receiving housing 1, as shown in the cross-sectional perspective view of FIG. 7, and the outer peripheral surface of this bottom wall 31 is the outer peripheral surface of the main body 30. As shown in FIG. It protrudes in the shape of a flange on the outer side. Inside the main body 30, a fitting hole 32 for fitting the main body 20 of the insertion housing 3, and a taper hole 33 for fitting the taper portion 24 of the insertion housing 3 together. It is installed. In the center of the upper surface of the bottom wall 31, a cylindrical portion 34 having a fitting hole 34a into which the shaft portion 25 of the insert housing 3 is fitted is provided upward, and an upper portion of the fitting hole 34a is provided with a tapered portion. The outer peripheral surface of the bottom wall 31 may be made to correspond with the outer peripheral surface of the main body 30, and it is set as the guide hole 34b which has.

Moreover, the cable introduction window 35 which introduces the terminal part 5 of the laminated flat cable 4 into the fitting hole 32 in the lower part of the main body 30 is formed in four directions orthogonal, for example. For example, both side walls of the cable introduction window 35 are provided with lock grooves (not shown) for locking the terminal portion 5 of the laminated flat cable 4. In the main body 30 between the cable introduction windows 35 which adjoin, the slits 36 which communicate with the receiving hole 31a formed in the bottom wall 31 are formed, and the slits 36 and the cylinder part 34 are formed. The partition wall 37 which fits into the fitting groove 28 of the insertion housing 3 is provided in between, and each terminal part 5 of the laminated flat cable 4 is partitioned by the partition 37. Each is to be accommodated. Around the upper outer circumference of the main body 30, for example, four engaging pieces 38 which engage the bracket 2 protrude outward. In the circular receiving groove 31a formed on the lower surface of the bottom wall 31, a leaf spring 39 made of a metal plate is formed which expands the center portion upward and inverts the expansion thereof.

As shown in the plan view of Fig. 8 and the cross-sectional view of Fig. 9, the leaf spring 39 has a flat top section 39a in the center, a slanted section 39b gently descending from the top section 39a, and a top section 39a. Has an end portion 39c positioned lower than). An insertion hole 39d through which the shaft portion 25 of the insertion housing 3 is press-fitted is formed in the top portion 39a of the leaf spring 39, and a plurality of holes 39e are formed in the inclined portion 39b. Four engaging pieces 39f protrude upward from the end 39c. Then, the leaf spring 39 is accommodated in the receiving groove (31a) of the receiving housing 1, the state 39 is pressed by the upper wall of the receiving groove (31a), the end portion 39c is the holding portion ( 31b). Moreover, the top part 39a of the leaf spring 39 can be made into the curved surface continuous to the inclination part 39b. In addition, although the hole 39e does not necessarily need to be provided, providing the hole 39e can invert the leaf spring 39 smoothly.

As shown in the cross-sectional view of FIG. 10, the lower portion of the cylindrical main body 40 of the bracket 2 has a thick portion 40a, and the outer circumferential surface of the lower portion of the main body 40 has An approximately matching bottom wall 41 is provided. The inside of the main body 40 is a connector receiving hole 42 for freely receiving the main body 30 of the receiving housing 1 in the horizontal direction freely, and an inwardly engaging portion 43 at the inlet of the connector receiving hole 42. ) Is installed. The engaging portion 43 is formed with a coupling hole 43a for receiving the engaging piece 38 of the receiving housing 1 slightly freely in all directions. In addition, although the lower part of the main body 40 was made into the thick part 40a, it is not necessary to thicken unless the intensity | strength of the bottom wall 41 and the die part 45 is impaired.

Moreover, the cable introduction window 44 which introduces the terminal part 5 of the laminated flat cable 4 is provided in the lower part of the main body 40. As shown in FIG. The upper surface of the bottom wall 41 is provided with a die portion 45 having an outer diameter which is sufficiently smaller than the inner diameter of the receiving groove 31a of the housing 1, and the die portion 45 has an axial portion of the insertion housing 3. The fitting hole 46 which fits the 25 through the cylindrical part 34 of the receiving housing 1 is formed.

Fig. 11 is a perspective view of the terminal portion 5 of the laminated flat cable 4, Fig. 12 is an exploded perspective view, and the laminated flat cable 4 is composed of four flat cables 50 to 53 stacked, for example, and flat As for the cables 50-53, sheet-like conductors 50a-53a are protected by the insulating sheets 50b-53b on both surfaces, and flexibility is provided. The width | variety of the flat cables 50-53 becomes wider according to the difference, and the convex terminal 6 is welded upward to the conductors 50a-53a, respectively.

In the terminal portion 5 of the laminated flat cable 4, four frame plates 54 to 57 are stacked so as to recede backwards, and the tips of these frame plates 54 to 57 are supported by the housing. It is a shape introduce | transduced between the partitions 37 of (1). In the frame plates 54 to 57, the exposed portions of the conductors 50a to 53a of the flat cables 50 to 53 and the cable receiving grooves 54a to 57a for accommodating a part of the insulating sheets 50b to 53b are respectively. Formed. For example, two pin portions 54b are formed on the upper surface of the lowermost frame plate 54, and pin fitting holes 55b to 57b are formed on the upper frame plates 55 to 57 to fit the pin portions 54b. It is.

An insulating cover 58 is covered on the upper surface of the uppermost frame plate 57. The cover 58 becomes a step shape which has conductor contact surfaces 58a-58d which respectively contact the upper surfaces of the conductors 50a-53a of the flat cables 50-53, and these conductor-contacting surfaces 58a 58d) are formed with the many terminal exposure hole 58e which exposes the convex terminal 6, and the pin hole which is not shown in which the pin part 54b of the lowest insulating plate 54 is fitted. The rear portions of the insulating plates 54 to 57 and the cover 58 have a shape that fits tightly to the cable introduction window 35 of the receiving housing 1, and for example, the intermediate insulating plates 56 and 57. On both sides of the), lock projections 56c for filling the lock grooves on both side walls of the cable introduction window 35 of the receiving housing 1 are formed.

When attaching the receiving housing 1 and the bracket 2 having such a configuration, first, the leaf spring 39 is attached to the receiving groove 31a of the receiving housing 1, and as shown in FIG. The connector engaging portion 43 of the bracket 2 is bent outward, the bottom wall 31 of the receiving housing 1 is inserted into the connector receiving hole 42 of the bracket 2, and the coupling of the receiving housing 1 is combined. The piece 38 is inserted into the engaging hole 43a of the bracket 2. Accordingly, the bottom wall 31 of the receiving housing 1 abuts against the bottom wall 41 of the bracket 2, and the die 45 of the bracket 2 is placed in the receiving groove 31a of the receiving housing 1. Put it in. At this time, the receiving housing 1 is free to move in the horizontal direction with the distance (A) with respect to the bracket (2), it is free to move in the vertical direction with the gap (B). And the bracket 2 which hold | maintained the receiving housing 1 is hold | maintained and fixed in the vicinity of dash panel P. As shown in FIG.

As shown in FIG. 1, in order to fix the bracket 2 and the laminated flat cable 4 at a predetermined position of the dash panel P, the bracket 2 is attached to the insert housing 3 fixed to the instrument panel. It is fixed in a corresponding position, and the laminated flat cable 4 attaches the part except the bend part 4a and the terminal part 5 to the dash panel P. FIG. And the fitting part of the receiving housing 1 is connected to the terminal part 5 of the laminated flat cable 4 through the cable introduction window 44 of the bracket 2, and the cable introduction window 35 of the receiving housing 1. We push in (32). At this time, since the bent part 4a is formed in the laminated flat cable 4, the terminal part 5 can be pushed in easily in all directions. Accordingly, as shown in the plan view of FIG. 14, the side portion of the terminal portion 5 of the laminated flat cable 4 abuts the partition wall 37, and the convex terminal 6 fits the receiving housing 1. Align with the hole 32. At this time, the locking projection 56c of the terminal portion 5 of the laminated flat cable 4 fits into the lock groove of the side wall of the cable introduction window 35, and the laminated flat cable 4 is bent portion 4a. And move according to the receiving housing (1) between the terminal portion (5).

When attaching the instrument panel to the dash panel P, as shown in Fig. 15, the guide hole 34b of the cylindrical portion 34 of the housing 1 receives the shaft portion 25 of the insertion housing 3; Position it at the entrance. At this time, if the position of the receiving housing 1 and the insertion housing 3 is shifted, the receiving housing 1 will be inclined along the insertion housing 3, and one coupling piece 38 will lower the wall of the coupling hole 43a. The engagement piece 38 on the opposite side abuts against the upper wall of the engagement hole 43a. Further, since the terminal portion 5 of the laminated flat cable 4 is free to move in all directions by the bent portion 4a, the laminated flat cable 4 rises to the cable introduction windows 35 and 44.

When the instrument panel is pushed in such a state, as shown in Fig. 16, the shaft portion 25 of the insertion housing 3 fits into the fitting hole 34a of the cylindrical portion 34 of the receiving housing 1, , While the receiving housing 1 changes in the horizontal direction, the partition wall 37 fits into the fitting groove 28 of the insertion housing 3, and the main body 20 of the insertion housing 3 receives the housing 1. The fitting hole 32). Then, the guide portion 25a of the shaft portion 25 of the insertion housing 3 is press-fitted into the fitting hole 39d of the leaf spring 39. Furthermore, when the instrument panel is pushed in, as shown in Fig. 17, the circumferential wall of the fitting hole 39d of the leaf spring 39 is press-fitted into the annular groove 25b of the shaft portion 25, and the shaft portion 25 The top portion 39a of the leaf spring 39 is pressed, and the leaf spring 39 starts to reverse and temporarily deforms to a horizontal state.

At this time, as shown in FIG. 18, the connection part 16 of the convex terminal 6 contacts the flexible contact piece 15 of the concave terminal 8. As shown in FIG. When the instrument panel is finally pushed in, the top end 39a of the leaf spring 39 is pressed by the shaft portion 25, and as shown in Fig. 4, the top end 39a swells upward until then. The leaf spring 39, which has been inverted, is reversed, and the government 39a swells downward, and the government 39a of the leaf spring 39 abuts against the bottom wall 41 of the bracket 2, and the leaf spring 39 ) End 39c presses the receiving housing 1 onto the insert housing 3 side. At the same time, as shown in the partial sectional view of FIG. 19, the engaging piece 39f is retracted inward, and is engaged with the engaging projection 27 of the insertion housing 3 through the slits 36 of the receiving housing 1. do. At this time, as shown in Fig. 20, the connecting portion 15 of the convex terminal 6 slightly enters therebetween while bending the flexible contact piece 15 of the concave terminal 8, and both terminals 6 and 8 are connected. Sufficient contact pressure can be obtained between and electrical connection is possible.

On the other hand, when removing the instrument panel from the dash panel P, when the insertion housing 3 is pulled out, the shaft part 25 of the insertion housing 3 press-fits into the fitting hole 39d of the leaf spring 39. FIG. Since the top portion 39a of the leaf spring 39 moves in accordance with the movement of the shaft portion 25, the leaf spring 39 is inverted and restored to the shape shown in FIG. Thereby, the receiving housing 1 and the insertion housing 3 can be easily dissociated.

In addition, the shape of the leaf spring 39 is not limited to embodiment, Of course, various shapes can be employ | adopted according to the shape of the receiving housing 1, of course. In addition, the intensity | strength of the leaf spring 39 can be adjusted by selecting material, thickness, a shape, etc. suitably.

Fig. 21 is a sectional view of another embodiment, in which the same reference numerals as in the previous embodiment indicate the same members. The receiving housing 1 shows a state in which the insertion housing 3 is fitted halfway, and this insertion housing 3 is attached to an instrument panel (not shown) attached to the dash panel P. As shown in FIG. In the receiving housing 1, the terminal portion 5 of the laminated flat cable 4 is introduced, for example, in four directions, and a plurality of conical convex terminals 6 are fixed to the terminal portion 5. The insertion housing 3 houses a plurality of concave terminals 8 connected to the electric wires 7 and connected to the convex terminals 6.

The housing box 61 is fixed to the dash panel P, and has a box body 62 for freely receiving the lower portion of the bracket 2 in all directions, and a lower portion of the bracket 2 attached to the box body 62. It is comprised by the fall prevention plate 63 etc. which prevent that the box body 62 escapes. Inside the box body 62, the guide member 64 which guides the bracket 2 along the spherical surface is arrange | positioned. And inside the bracket 2, the compression coil spring 66 which presses the receiving housing 1 into the housing 3 side through the movable plate 65 is arrange | positioned.

The receiving housing 1 has a cylindrical fitting hole 32 for fitting the insert housing 3 and the insert housing 3 in the fitting hole 32 in the main body 30 as in the first embodiment. A tapered taper hole 33 for guiding is formed. In the center of the bottom wall 31 of the lower part, a tubular part 34 for penetrating the shaft member of the insertion housing 3 to be described below is installed in the bottom of the bottom wall 31, and the insertion housing 32 is provided in the inner surface of the fitting hole 32. Guide grooves 67 are provided for guiding while maintaining the positional relationship of 3).

In addition, the main body 30 is formed so that four cable introduction windows 35 which fit the terminal part 5 of the laminated flat cable 4 may be located between partition walls. The terminal part 5 of the laminated flat cable 4 is engaged with the bottom wall 31 of the receiving housing 1 via the engaging protrusion 5a provided in the bottom surface. And the recessed part 68 which accommodates the movable plate 65 freely in the axial direction is formed in the lower surface of the bottom wall 31. As shown in FIG.

The bracket 2 has a cylindrical main body 71 fitting the main body 30 of the receiving housing 1, and the main body 71 inserts the laminated flat cable 4 into the cable introduction window to allow the vertical movement thereof. 72 are installed. The flange part 74 is provided in the outer periphery of the die part 73 of the lower part of the main body 71, and the concave spherical surface part 75 which has the center on an axis line is formed in the lower surface of the die part 73. As shown in FIG. At the center of the inner surface of the die portion 73, a stop release portion 76 is provided which freely stops the movable plate 65 and freezes the insertion housing 3.

In the insert housing 3, for example, a metal shaft member 82 is attached to the center of the cylindrical housing body 81 made of synthetic resin. The housing main body 81 around the shaft member 82 is formed with a plurality of terminal accommodation holes 83 for receiving the concave terminal 8, and the guide of the receiving housing 1 is formed on the outer circumference of the housing main body 81. A regulating projection 84 is formed to fit the groove 67 and to regulate the rotational direction position of the housing main body 81. And the guide surface 85 which guides the locking release part 76 of the bracket 2 is provided in the front-end | tip of the shaft member 82, and the bracket 2 stops in the vicinity of the front-end | tip of the shaft member 82. FIG. An annular groove 86 is formed to engage the release portion 76.

The box body 61 has a cylindrical side wall 92 which forms a recess 91 which receives the flange portion 74 of the bracket 2 at intervals, and at the bottom of the side wall 92 a dash panel ( The bottom wall 93 fixed to P) is provided. On the outer surface of the side wall 92, a locking groove 94 for locking the release prevention plate 63 is formed, and the release prevention plate 63 fits the main body 71 of the bracket 2 at intervals. And an annular portion 96 forming a hole 95 in which the flange portion 74 is not fitted, and the annular portion 96 is fitted with an engaging groove 94 of the box main body 62. (97) is provided.

The guide member 64 is made of synthetic resin or metal, and has a spherical surface portion 101 which is swelled to the bracket 2 side by a curvature substantially coincident with the concave spherical surface portion 75 of the bracket 2. And an annular planar portion 102 extending in parallel to the bottom wall 93 of the box body 62 in the outer circumference of the spherical surface portion 101. In the vicinity of the substantially center of the spherical surface portion 101, at least three hemispherical small protrusions 103 which contact the concave spherical surface portion 75 of the bracket 2 are formed at equal intervals in the circumferential direction, At least three hemispherical small protrusions 104 in contact with the bottom wall 93 of the box main body 62 are provided at equal intervals in the circumferential direction on the lower surface of the part 102.

Here, as shown in the partially enlarged perspective view of FIG. 22, in the movable plate 65, the fitting hole 111 which fits the shaft member 82 of the insertion housing 3 is provided in the center. In addition, the movable plate 65 includes, for example, four fitting holes 112 for freely moving a flexible piece, which will be described later, of the locking release portion 76 of the bracket 2 in the radial direction, to the outside of the fitting hole 111. It is installed on the circumference of the page at equal intervals. Further, the movable plate 65 is provided with an engaging groove 113 that engages with the upper protrusion described later of the locking release portion 76 on the inner surface of the fitting hole 112.

On the other hand, as shown in a partially enlarged perspective view of Fig. 23, the locking release portion 76 has, for example, four flexible pieces 114, which are set up at equal intervals in the circumferential direction on the upper surface of the bottom plate 34, and these flexible pieces are flexible. The piece 114 is adapted to enter the fitting hole 112 of the movable plate 65. The small diameter part 115 is provided in the lower part of the flexible piece 114, and is pressed outward by the shaft member 82. As shown in FIG. The upper end 116 which protrudes inward and couples to the engaging groove 113 of the movable plate 65 is provided in the front-end | tip of the flexible piece 114, and protrudes inward in the substantially upper and lower sides of the flexible piece 114. The lower protrusion 117 is installed to engage the annular groove 86 of the shaft member 82 of the insertion housing 3.

In the electrical connector of this embodiment, first, the compression coil spring 66 and the movable plate 65 are sequentially stacked on the upper surface of the die portion 73 of the bracket 2, and the movable plate 65 is pushed into the compression coil spring ( 66 is compressed, and the upper protrusion 116 of the locking release portion 76 is coupled to the engaging groove 113 of the movable plate 65. And the upper projection 116 of the stopping release part 76, with the movable plate 65 compressed the compression coil spring 66, until the insertion housing 3 is fully fitted into the receiving housing 1. ) Is coupled to the coupling groove 113 of the movable plate 65. After arranging the guide member 64 inside the box body 62, the bracket 2 is overlaid on the guide member 64, and the release preventing plate 63 is attached to the box body 62. Accordingly, the bracket 2 is freely supported in all directions by the guide member 64.

Next, the insertion housing 3 is fixed to the predetermined position of the instrument panel, and the box body 62 is fixed to the predetermined position of the dash panel P. As shown in FIG. In addition, the terminal part 5 of the laminated flat cable 4 is inserted into the receiving housing 1 through the cable introduction windows 72 and 35 while the receiving housing 1 is fitted to the bracket 2. The terminal part 5 is fixed to the receiving housing 1 by the locking protrusion 5a, and the rest of the laminated flat cable 4 is fixed to the dash terminal P. As shown in FIG. Accordingly, the receiving housing 1 is maintained so as not to escape to the bracket (2).

Thus, when the instrument panel provided with the insertion housing 3 is attached to the dash panel P provided with the one receiving housing 1, the housing main body 81 of the insertion housing 3 will be attached to the housing of the receiving housing 1. Press the taper hole 33, move the receiving housing 1 together with the bracket 2 in the insertion direction of the insertion housing 3, and make the axis of the insertion housing 3 and the receiving housing 1 coincide. . At this time, the concave spherical surface portion 75 of the bracket 2 slides along the spherical surface in a stable state on the small projection 103 of the guide member 64, and as shown in Fig. 24, the convex terminal 6 ) And the concave terminal 8 are opposed to each other at intervals.

Next, when the instrument panel is pushed back to the dash panel P side, the shaft member 82 of the insertion housing 3 receives the fitting hole of the cylindrical portion 34 of the receiving housing 1 and the movable plate 65 ( Through the 111, the guide surface 85 of the shaft member 82 enters the inner side of the lower protrusion 117 of the detent release part 76, as shown in FIG. Then, the shaft member 82 presses the lower protrusion 117 outward, and slightly flexes the flexible piece 114 outward. At this time, as shown in Fig. 26, the convex terminal 6 and the concave terminal 8 come into contact with each other.

Subsequently, when the instrument panel is pushed into the final position with respect to the dash panel P, the shaft member 82 enters below the lower projection 117 and the lower projection 117 annularly forms the shaft member 82. It fits into the groove 86, and the insertion housing 3 is fastened to the bracket 2 via the shaft member 82. As shown in FIG. Moreover, the shaft member 82 enlarges the upper projection 116 outward as shown in FIG. 27 by pressing the small diameter portion 115 of the flexible piece 114, and the engaging groove 113 of the movable plate 65. ) As a result, the movable plate 65 is released, the movable plate 65 is pressed by the compression coil spring 66 to move upward, and presses the receiving housing 1 toward the insertion housing 3 side. Accordingly, as shown in Fig. 28, the conical convex terminal 6 enters into the concave terminal 8, so that sufficient contact pressure between the convex terminal 6 and the concave terminal 8 is ensured.

In such an embodiment, the locking release portion 76 of the bracket 2 is adapted to move the shaft member 82 of the insertion housing 3 before the insertion housing 3 is completely fitted to the receiving housing 1. Since the movable plate 65 is stopped and the movable plate 65 is released, the receiving housing 1 is pressed by the compression coil spring 66 to the insertion housing 3 side, and the concave terminal 8 of the convex terminal 6 is pressed. To facilitate insertion.

In addition, although one compression coil spring 66 was provided in the Example, you may provide several compression coil springs in the circumferential direction. In addition, the shaft member 82 of the insertion housing 3 is stopped by the locking release portion 76 and the distance between the bracket 2 and the insertion housing 3 is maintained at a predetermined size. By fixing the instrument panel to P), the bracket 2 and the insertion housing 3 may be held at predetermined intervals. In addition, although the locking of the insertion housing 3 and the bracket 2 was performed by the shaft member 82 and the locking release part 76, this locking may be performed by the locking mechanism provided in both. . Moreover, the spring is not a compression coil spring 66, but a tension coil spring may be used. The accumulated pressure can use not only a spring but also energy from air pressure, water pressure, hydraulic pressure, magnetic force, rubber, and explosions caused by gunpowder.

As described above, in the connector according to the present invention, when the receiving housing and the inserting housing are combined, the accumulated pressing force is released to press the receiving housing into the inserting housing, so that both housings can be easily combined even when the connecting terminal is multipolarized. have.

1 is a perspective view of an embodiment of a state in which the housing is attached to the dash panel through a bracket;

2 is an exploded perspective view of the receiving housing and the insert housing attached to the dash panel;

3 is an exploded perspective view of both housings,

4 is a sectional view of a state in which both housings are fitted;

5 is a partial cross-sectional view of the convex terminal and the concave terminal;

6 is a perspective view from the bottom of the insert housing,

7 is a cross-sectional perspective view of the receiving housing;

8 is a plan view of a leaf spring,

9 is a cross-sectional view of the leaf spring,

10 is a cross-sectional perspective view of the bracket,

11 is a perspective view of a terminal portion of a laminated flat cable;

12 is an exploded perspective view of the terminal unit;

13 is an assembled sectional perspective view of the receiving housing and the bracket;

14 is a plan view of a state where a terminal portion of a laminated flat cable is introduced into a receiving housing;

15 is an explanatory view of the operation when the two housings are fitted;

16 is an explanatory view of the operation when the two housings are fitted;

17 is an explanatory view of the operation when the two housings are fitted;

18 is an explanatory view of the operation of the convex terminal and the concave terminal;

19 is a partial cross-sectional view,

20 is an explanatory view of the operation of the convex terminal and the concave terminal;

21 is a sectional view of another embodiment;

22 is a partially enlarged perspective view of the movable plate;

23 is a partially enlarged perspective view of the stopping release portion;

24 is a partially enlarged cross sectional view showing a concave terminal in section;

25 is an operation explanatory diagram,

26 is an operation explanatory diagram,

27 is an operation explanatory diagram,

28 is an operation explanatory diagram.

Claims (13)

An insert housing a receiving housing for accommodating a first connecting terminal group, a holding housing for holding the receiving housing, and a second connecting terminal group for connecting with the first connecting terminal group and fitting with the receiving housing. When the gap between the receiving housing and the insertion housing reaches a predetermined size, the housing is stopped and the pressing force accumulated between the receiving housing and the holding housing is released. And pressurizing the receiving housing to the insertion housing side. The connector according to claim 1, wherein the pressing force is a force by a spring. The leaf spring according to claim 2, wherein the spring is a reversible leaf spring, and the spring spring is accumulated by expanding the leaf spring to one side, and the leaf spring is fitted to the receiving housing to press the leaf spring to press the leaf spring. The connector is inverted so as to swell to the opposite side, and the receiving housing is pressed against the insertion housing side. The connector according to claim 3, wherein the shaft portion of the insertion housing passing through the receiving housing presses the leaf spring so that the leaf spring is inverted. 5. The connector according to claim 4, wherein a small diameter hole is provided at the center of the leaf spring and the shaft portion of the insertion housing is engaged. The connector according to claim 3, wherein the leaf spring is formed in a disc shape. 7. A plurality of granular portions are placed in the leaf spring, wherein the leaf springs have their central portions swelled on the side of the granular portion before inversion, and their central portions swell to the opposite side to the granular portion at the time of inversion. And a connector to retract the granular part inward. 8. The connector according to claim 7, wherein a stopping part is provided in the standing part and the stopping part stops the insertion housing when the leaf spring is inverted. The connector according to claim 2, wherein the spring is a coil spring. The connector of claim 9, wherein the coil spring is a compression coil spring. 11. The electric pressure coil of claim 10, wherein the compression coil spring is configured to accumulate the spring force of the compression coil spring by stopping the movable plate that presses the compression coil spring in a locking opening provided in the holding housing. Connector. 12. The connector according to claim 11, wherein the shaft portion of the insertion housing which penetrates through the receiving housing and protrudes on the outer surface of the bottom wall is engaged with the locking opening by locking the insertion housing. 13. The electrical connector according to claim 12, wherein the shaft portion of the insertion housing releases the locking of the movable plate by deforming the locking opening.