JPS62500693A - Shielded electrical connector - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] shielded electrical connector The present invention relates to shielded electrical connectors.

U.S. Patent No. 4,449. γγ8 has a front joint part and a rear cable connection part. It is a type with terminal housing, upper and lower ground shields, and upper and lower ground shields. A shielded electrical connector assembly is disclosed that includes a lip cover component. . The lower ground shield has a base panel from which - twin side walls and one The rear wall rises and the front contact portion extends in a direction away from the rear wall. Part of the lower cover The product also has a base panel with a pair of side walls and a rear wall rising from the base panel. When this connector is assembled, the lower shield panel, side walls and rear The walls fit into the panels, side walls and rear wall of the F cover.

The front contact portion fits into the housing, which has a terminal support floor and A pair of side walls rising on the sides are bridged by a hood near their front ends. top seal The terminal has a front contact portion that fits into the hood and faces the terminal support floor.

When this connector is mated with a similar connector, the front contact part of the upper shield engages the front contact portion of the field. This known connector has a lower ground shield and lower cover. Each of the parts has a rising wall panel, and each rising wall has its own panel. There are cable-receiving openings that open away from the When the cables are assembled inside the lower cover part, they align with each other to accommodate the cables. becomes nJ Noh.

This known connector, however, is joined with another connector along both sides. Does not have consecutive shield openings. ~・Cable seal connected to connector The ground Ti current flows only through the front contact portions of both the upper and lower shields. joining The proximity of the shields in the complementary connectors alone is sufficient, especially at high signal frequencies (400 (on the order of megahertz), effective electrical Ia interference shielding is not available.

Therefore, the present invention provides the shielded electrical connector as described above, in which the lower shield is It has a pair of wings extending forward from each side wall, and both wings are connected to the housing. It is characterized in that it is incorporated between the side walls and extends between the terminal support floor and the hood. Many The wing includes a flange that contacts the associated housing side wall and a complementary flange that extends beyond the side wall. and spring tongues that can engage the flanges of the wings on the connector.

In this way, the shield configuration provides electrical continuity around the fitting during connector mating. It does not leave any "holes" that could cause electromagnetic interference.

The connector of the present invention also aims at ease of manufacturing, and the core removal of molded parts is done directly. Multi-cavity molding is possible by performing the process in two directions.

The connector also offers ease of assembly. The lower shield enters the rear of the housing. position, then the lower cover part is also turned towards the rear so that it aligns with the housing. The touch engages the lower shield and holds it in place until the ankle is moved. .

In addition, the cable receiving opening in the rising wall of the lower shield has a pair of integrally molded flaps. Both flanges are defined by flanges on both sides, and both flanges are defined by a It fits almost flat into the cable receiving opening. One part of the lower cover is the outer surface of the rising wall. has a pair of parallel flanges defining both sides of the frontage, and both flanges together form a dovetail shape. It has the shape of The assembly further includes an inserter member having a through hole. , the hole opening into the dovetail thrower I- on the mating surface of the inserter member. However, the dovetail slot is located in the inserter part perpendicular to the plane of the panel of the lower cover part. The lower cover has a shape that engages a dovetail flange on the outer wall of the lower cover part by movement of the material.

The assembly is also shaped to fit between the cable's individual conductors and the shield. It also includes metal contact ferrules with a The lower earth shield is made into a part of the lower cover. Insert the cable into the inserter member, with the cable end protruding from the mating surface. Remove the outer insulation from the cable to expose the cable, then remove the individual conductors and exposed cable. After inserting the ferrule between the inserter and the shield, insert the dovetail slot of the inserter into the lower cover. When joining the dovetail flange of one part of the cable, attach the exposed cable shield to the lower sheath. It can be pushed between the rod flanges.

The connector of the present invention guarantees the integrity of the contact between the lower shield and the cable shield. Provides ground continuity between the shields of each cable when mated with complementary connectors. This has the advantage that the properties are guaranteed.

These and other advantages will be readily understood from the following description and drawings.

Figure 1 is an exploded perspective view of the housing, terminal, lower shield, and shunt assembly. It is.

Figure 2 is a perspective view of the lower cover disassembled from the housing and lower shield assembly. It is a diagram.

Figure 3 is a perspective view of the upper cover, upper housing, lower shield J, and lower cover. .

FIG. 4 is an exploded perspective view of the shunt assembly and a cross-sectional portion of the housing.

FIG. 5 is a perspective view of the assembled connector.

Figure 6A shows the cable and insert before assembling the contact ferrule and clamp. FIG. 2 is a plan view of the assembled state of the relaxation ferrule.

Figure 6B is a top view of the contact ferrule and clamp assembled to the cable. Ru.

FIG. 7A is a plan view of the assembled connector.

FIG. 7B is a side view of the assembled connector.

FIG. 7C is a joint side end view of the assembled connector excluding the upper cover.

Figure 8 is a plan view of another inserter assembled to the cable and lower cover. .

Figures 98 through 9D are views of other inserter half-openings.

FIG. 1 shows the terminal housing (10), from which the assembly sequence begins. house The ring (10) has a rear end (12) that receives terminals (2) from the front +W (11). It has a terminal support floor (13) extending up to the terminal support floor (13). Each terminal (2) has a wire barrel (4 ), a connecting tongue piece (61 (15) and a base part (7) interposed therebetween, The base portions (7) are received in respective grooves (17) in the floor (13). floor (13) has side walls (18) rising on both sides, and each side wall has an inner wall. On the side, there is a rear facing step (1) and a shield groove (2) extending forward from the step (19). There is 1). A partition (24) is provided in front of the step (19) on the inner side of both side walls (18). Along and below the groove (21) a slot (25) is defined.

At this end a hood (28) bridges the side walls (18).

The shunt assembly (30) is located between the step (19) and the two central grooves (17). It is shown that one is about to be inserted between the post (23) rising from the floor (13). It is.

The lower shield (40) includes a base panel (41) from which The integrally molded front contact portion (42) extends and both side walls (43) rise. ing. v! Wall portions (44) are molded from respective side walls (43). defining a cable receiving opening (55) along and between the base panel (41); . Each rear wall portion (44) is formed with a flange (45) along the opening (55); Detents (46) are formed on each flange (45). Panel (41) A spring tongue (47) extends into the frontage (55). Both side walls (43) forward from the first bend (49) defining a rearward facing step on each outer surface! fl (48) is formed. These IIH (43) also have a second song. ridges (50) are formed to define a forward facing step on each outer surface. Each step A joint flange (51) and a spring tongue piece (53) extend forward from (50). The tongue (51) also has an outwardly curved lip piece (52) to be joined to the tongue piece of the connector. There is.

Figure 2 shows the lower shield (40) assembled to the housing (10). Front H (48) is in contact with the inner surface of the side wall (18) of the housing, and is located at the forward facing step of the shield. (50) is in contact with the rearward step (19) of the housing. The tongue piece (53) is A flange (51) is unevenly distributed above the lot (25).

The groove (211 (Fig. 1) allows passage of the lip piece (52) during assembly. The assembly (30) will be assembled into the housing (10) with the shield (40) later. It is inserted in the same way.

The lower cover (60) includes a base panel (61), and both sides integrally molded therewith. A side wall (63) and a rear wall (68) are made to stand up.

A latch (62) rising from the center of the base (61) attaches the cover (60) to the housing. (10) and plays a role of binding and holding (Figure 7B).

Both side walls (63) have horizontal contacts extending forward to join with the housing (10). The joint rib (64) (Fig. 7C) and the rear surface (12) and bottom of the housing (10) Vertical joining ribs (65) to be received between the steps (49) of the shield (40) and has. The rear wall (68) defines a cable opening (69) therebetween, each has a flange (71) extending from the outer surface (10) along the opening (69).

The combined profile of both flanges (71) has a dovetail shape ( 72). The notches (74) formed at the corners of each side wall and rear wall are The cover (110) (FIG. 3) has a holding step (75). Latch arm (7 8) is molded with an F-shaped member (79) for joining with a complementary connector.

Figure 3 shows the lower cover assembled to the lower shield (40) and housing (10). (60) is shown. The flange (45) is flush with the flange (71) of the rear wall (68). Fitted. The inserter assembly is shown in detail in Figures 6A and 6B. Includes cable (80), inserter member (81) and stuffer (97) Ru. The inserter member (87) has a rear gripping portion (88) and a joining flange (89). The joining flange (89) receives the dovetail ridge (72) of the lower cover (60). It has a shape defining a dovetail slot (90) for entry. Individual insulated conductors (8 1) and the braided shield (82), a contact ferrule (94) is inserted between the ferrule 1) and the braided shield (82). Ensures good ground contact between the langes (45) and the braided shield (82).

Detent (46) serves to retain ferrule (94).

The upper shield (100) has a base panel (101), a plurality of front contact tongues ( 102) and springy side members (103), both side members ( 103) are received on the inner surfaces of both side walls (43) of the lower cover (40). springiness The tongue piece (104) serves to contact the braided shield (82) like the lower tongue piece (47). do. The upper cover (110) has a panel part (112) and a lock arm (114). , and a latch arm (117), the latch arm (117) having a complementary connector. Turn right the T-slot (118) for joining with the connector. Consistency post(s) (116 ) is received in the groove (66) and the rounded surface of the post (116) is received in the cover (110). The function is to eject it forward and fit it tightly into the hood (28). Upper shield (1 00) by planting a plastic stud through the through hole (105). Assemble (pull) the upper cover (+io), and then install the innerter (87) and stuffer (9). 7) is attached to the housing (10), the arm (114) is cut out (74). The lower cover (60) and the housing ( 10).

FIG. 4 shows the shunt assembly (30) disassembled into parts. 0) is a dielectric carrier (31), a selective terminal bridging shunt member (36), (3g ) and a dielectric spacer (35) interposed therebetween. The carrier (31) is A retaining needle (32) for fixing the members (36) and (38) and a shunt contact are attached to this. It has grooves (33) that allow the tentacles (37) and (39) to bend.

Latches (34) are located in holes (20) in both side walls (18) of the housing (10) In cooperation with Position and hold in between. The slot (16) in the floor (13) is the lower shield (40 ) (Fig. 1).

The assembled connector is shown in FIG. 5 and is disclosed in U.S. Pat. Male and female conductor type designed to mate with a similar connector turned inside out, similar to the connector shown. A connector in which a T-bar (79) mates with a T-slot (118). Also , the connector of the present invention is of the type disclosed in U.S. Pat. No. 4,449,778. The spring tongue pieces (plurality) (53) are adapted to be connected to the connector. each flange (51) of the connector, but prevents connection with conventional technology connectors. It's not something you can do.

Figure 6A shows that the cable (80) is fed through the shaft hole (92) and the joining flange ( The inserter member is shown extending from 89). The insulator (83) has been peeled off. 11; The i group (82) is exposed, and the tensile stress relaxation ferrule (84) is exposed. 82) is crimped to the nearby insulator (83). Flange of ferrule (84) (85) As shown in Fig. 613, the counterbore (9) of the joining flange (89) 3) is shaped to fit tightly into the cable (80) and Prevents tensile stress on conductor terminations when subjected to such forces. Returning to Figure 5A, The contact ferrule (95) fits loosely into the exposed conductor (81), which is then The clamp (9G) is inserted concentrically into the braid (82) as shown in FIG. ) is applied and the braid is trimmed.

FIG. 7A is a plan view of the assembled connector with the top cover removed. stuffer (97) connects the individual insulated conductors (81) in the usual manner to the wire perrels (2) of the terminals (2). 4) It is used for pushing. The joining flange (8) of the inserter member (87) The dovetail slot (91) of 9) engages with the dovetail flange (72) to connect the connector of the present invention. It exhibits the main advantages of the power is maintained. This means that the electrical connection between the braid (82) and the lower earth shield (40) ensure that personal contact is maintained. On the other hand, in the configuration of known conventional technology, the contact force tends to be loose. It is.

FIG. 7B is a partially sectional side view of the assembled connector.

This figure shows the housing (10), lower shield (40), and lower cover part (60). details the cooperation status of The housing (10) has a terminal support floor (13) on which It has a forward extension (15) and an opposite bottom recess (14). to the housing (10) is the front contact portion of the lower shield (40) through which the shield slot (16) passes ( 42) under the receiving extension (15). The contact part placed in this way ( 42) is the joint surface of the upper shield (100) of the complementary connector with the contact tongue piece (102) provide. The lower cover part (60) is the base panel (41) of the lower shield (40). ) and maintains its position by the cooperation of the recess (14) and the latch (62).

Figure 7C shows the rib (64) of the lower cover (60) and the groove (22) of the housing (10). ) is an end view showing a situation in which the two parts cooperate to hold both parts in a joined state. lower seal The front part (48) of the door (40) is placed along the side wall (18) and the tongue piece (53) is attached thereto. (Figure 2) Complementary Co., Ltd. Similar to the connector, it is connected to the flange (51) of the shield. 8 pieces ( 52) is formed facing outward so as not to hinder joining.

Figure 8 shows another way to terminate the cable (80) at a 45 degree angle to the lower cover part (60). A mold inserter (120) is shown. This insert (120) is an internally threaded compression key. A threaded portion (124) that receives the t-ship (134) and a flange (7) as described above. 2) and a joining part (125) having a dovetail slot (126) joining Ru. This inserter (120) can be attached to the bottom cover by turning it inside out. The cable (80) can be terminated in another 45 degree orientation. Conductor (8 1) Attach a compression nut to the cable tightening screw part (124) to relieve stress at the termination. 19 by attaching the

In Figures 98 to 91, the other type inserter (+20) is shown for convenience. It is molded into two halves (121) connected by a hinge (122). Each half-holiday (12 The cable receiving bore portion (128) of 1) is assembled in cooperation with the other bore portion. A through path is formed in the erected inserter (120). Each bore part has oak h (13 4) As the (Fig. 8) is screwed into place, the outer thread 17 of the cable (80) Flanges (1301, (131), ridges (132) and and spikes (133) are defined. This configuration is suitable for tensile stress as described above. The relaxation ferrule (84) is rendered useless.

international search report ANhlEX τOTHE IN’r: Rainbow IATIONAf, 5EARCHRE PORT 0 NINTERNATIONAL APPLICAT N No. PCj:/'IJS 85101867 (SA 10915) rR-A-24 5052426109/80 Nona

Claims (1)

[Claims] 1 A similar corresponding cable assembly having a front joint part and a rear cable joint part. It can be connected to the terminal housing (10), upper (100), lower (40) and both housings. a base shield and both upper (110) and lower (60) insulating cover parts; The lower earth shield (40) has sidewalls (43) that can be used when assembling the wooden connector. Fits into the lower cover part (60) and connects the lower cover part (60) and the lower ground. The shields (40) each have a cable receiving opening (69, 55), and The housing (10) has a terminal support floor (13) and a hood (28) near its front end. , both the upper (100) and lower (60) earth shields are connected to the front contact portion (102, 42). ) and when two similar connector assemblies are joined, one connector The upper earth shield front contact portion (102) of the assembly has a similar corresponding connector With a type of shield that engages the lower ground shield front contact portion (42) of the assembly. Electrical connector assembly and its features The lower earth shield (40) has a pair of forwardly extending wings (48) and has both wings (48). 48) is assembled to the housing (10) and connects the terminal support floor (13) and the each wing (48) extends between the flange (51) and the hood (28); flange of a similar corresponding connector assembly extending beyond (51) (51) and a spring tongue piece (53) that can be engaged with the The lower ground shield (40) is arranged along both sides of its cable receiving opening (55). A pair of integrally molded flanges received in the lower cover component cable receiving opening (69) (45), and the lower cover part (60) has a dovetail-shaped (72) profile. a rising wall (68) and connecting the rising wall (68) to the cable receiving opening (69); penetrates, The connector assembly is further fitted with a metal contact ferrule (94). Also includes an inserter member (87) for receiving the shielded cable L (80), a dovetail in which the inserter member engages a dovetail profile (72) of the lower cover part; slot (90), which allows the cable shield (82) to fit into the dovetail profile. Cable reception by interengagement of field (72) and dovetail slot (91) The lower earth shield integrally molded flange (45) of the opening (55) is maintained in a state of engagement. A shielded electrical connector assembly characterized in that: 2. The housing (10) has a flat slot parallel to the terminal support floor (13). (16) attached to the front contact portion (4) of the lower earth shield (40). 2), the front contact portion (42) being in contact with the floor (1) of the housing (10). 3), characterized in that it rests on the front extension opposite to 3). connector assembly. 3. The flange (51) of the wing (48) has an outwardly curved lip piece (52), which It comes into contact with the end of each housing side wall (43) and connects with the complementary tongue piece (53). The connector assembly according to claim 1, characterized in that it facilitates Li. 4 The housing (10) has a pair of partitions ( 24), and the floor (13) and both partitions (24) are located closer to each other than the adjacent side wall (43). also extends forward, and the spring tongue piece (53) abuts the partition (24) and the side The coil according to claim 1, characterized in that it extends beyond the wall (43). connector assembly. 5 The cover (60) is attached to the housing (10) and the lower cover (60). Cooperate to make it possible to assemble by sliding it onto the Uzing (10) from behind. Rib (64) and groove 122) means and cooperating latching means (62,14) is molded, and the lower earth shield (40) is attached to the housing of the lower cover (60). claim, characterized in that it is retained within the connector by engagement with the ring (10); A connector assembly according to scope 1. 6. The connector assembly further passes through the hole (92) of the inserter member (87). stress relief ferrule which is crimped to the outer insulation (83) after the cable has been installed. (84), the stress relief ferrule (84) near the edge of the outer insulation (83). The flange (85) has a flange (85) which absorbs the stress from the hole (92). a shaft that joins the cable and has a shape that should prevent the relaxation ferrule (84) from being pulled out; Linear force is transmitted to the lower cover (60) via the inserter member (87). A connector assembly according to claim 1, characterized in that: 7. The hole (92) has the flange (85) of the stress relaxation ferrule (84). Claim 2, characterized in that a counterbore is provided to accommodate the connector assembly. 8. Each of both integrally molded flanges (45) of the lower earth shield (40) has an opening (5 5) a pair of spring detents (46) are formed within the opposing flange (45); detents (46) between which the contact flap as claimed in claim 1, characterized in that it serves to fix the ferrule (94). Connector assembly included. 9 Shape the shaft hole (92) of the inserter member (87) to bend the cable. and the dovetail slot (90) on the mating surface connects to the dovetail flange (90) on the lower cover (60). 71) and has a shape that can be joined in two directions, and the cable is connected to this connector assembly. as claimed in claim 1, characterized in that it can be approached from either of two directions. connector assembly.