JPH0523457U - Electrical connector structure - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] Complete shielding is performed without the need to use a shield material as a separate part and without the need to wind the shield material. [Structure] One contact portion is provided in the metal housing 3 of the male connector 1, internal terminals are provided in the housing 3 via an insulator, and a terminal unit 37 provided in the housing 33 of the female connector 2 is provided. , A shield 72 of a shielded electric wire 70 connected to an internal terminal 36 mounted inside an insulator 34 covered with the shield outer cylinder 35.
The shield outer cylinder 35 is provided with the other contact portion that comes into contact with one contact portion when the female and male side connectors 2 and 1 are coupled. When the female and male side connectors 2 and 1 are coupled, the other contact portion of the shield outer cylinder 35 of the terminal unit 37 is brought into contact with the contact portion of the housing 3 of the male side connector 1 to form a shield.
The shield 72 of the shielded electric wire 70 is electrically connected to the housing 3 of the male connector 1 and electrically short-circuited to the mounting portion having conductivity to drop it to the ground.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an electric connector structure used in electronic devices and the like.

[0002]

[Prior Art]

 As a conventional electrical connector structure of this kind, as shown in FIG. 40, a plurality of internal male terminals (not shown) connected to the tip side of an electric wire 81 are inserted and locked in a male connector 80 made of an insulating material. , A plurality of internal female terminals (not shown) connected to the tip side of the electric wire 83 are inserted and locked in the female connector 82 made of an insulating material, and the female and male connectors 82 and 80 are connected to each other to form an internal male connector. There is one in which the terminal is brought into contact with the internal female terminal and the lock portion 84 of the male side connector 80 is engaged with the lock portion 85 of the female side connector 82. The shield of this electric connector structure is the male and female side connector 82. , 80 as well as the entire electric wires 81, 83 were covered with a shield material 86.

[0003]

[Problems to be solved by the device]

 As described above, not only the male and female connectors 82 and 80 but also the entire electric wires 81 and 83 are covered with the shield material 86 to be shielded, so that the shield material 86 as a separate component is required. In addition, there is a problem that an operation such as winding the shield material 86 is required, which is very complicated and a complete shield cannot be performed.

The present invention solves the above-mentioned problems, and its purpose is to eliminate the need for a shield material as a separate component and to wind a shield material. An object of the present invention is to provide an electrical connector structure that can be completely shielded without any operation.

[0005]

[Means for Solving the Problems]

 To achieve the above object, the present invention provides a housing of one connector made of metal that electrically short-circuits to a conductive mounting portion, and has one contact portion inside the housing. An internal terminal is provided in the housing through an insulator, a terminal unit is provided in the housing of the other connector, and this terminal unit is covered with a shield outer cylinder to attach the internal terminal inside the insulator. The shield of the shielded wire connected to this internal terminal is configured to be connected to the shield outer cylinder, and one of the contact parts is contacted when the female and male side connectors are connected to the shield outer cylinder. It is characterized in that the other contact portion is provided.

[0006]

[Action]

 With this construction, when the two connectors are connected to each other, the shield of the shielded electric wire is such that the other contact portion of the shield outer casing of the terminal unit comes into contact with the contact portion of the housing of the one connector. It is electrically connected to the housing and is electrically short-circuited to the electrically conductive mounting part and dropped to the ground. As described above, the shield material as a separate component is unnecessary, and the operation of winding the shield material is not necessary, so that the complete shield can be performed.

[0007]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 (1) is a perspective view of an electric connector structure according to the present invention before connection, and FIG. 1 (3) is a plan view of the same connection state. The electric connector structure according to the present invention comprises a male connector 1 which is one connector and a female connector 2 which is the other connector.

The male connector 1 includes a housing 3, an insulator 15, and an internal terminal 16. The housing 3 is made of metal and is a die cast product. Therefore, it has conductivity. As shown in FIGS. 6 to 8, the housing 3 has a quadrangular front shape, and a mounting seat portion 4 is integrally formed on the base portion thereof. A fitting concave portion 5 is formed on the front surface of the housing 1, and a bottom surface portion 6 of the fitting concave portion 5 is formed with an insulator mounting hole 7 having a substantially rectangular plane shape. Lance insertion groove portions 8 are formed on the left and right side surfaces 7a and 7b of the insulator mounting hole portion 7 (in FIG. 6) along the axial direction of the insulator mounting hole portion 7, respectively. A locking protrusion 9 is formed in the middle of the groove 8, and the insulator mounting hole 7 is formed on the upper and lower side surfaces 7c and 7d of the insulator mounting hole 7 (in FIG. 6). Guide insertion groove portions 24 are formed along the axial direction of the guide insertion groove portions 24, and T-shaped stopper portions 25 are formed at the rear end portions of the guide insertion groove portions 24. Further, contact ridges 26 are formed on the left and right inner surfaces of the fitting recess 5 of the housing 3 along the axis of the fitting recess 5.

A lock portion 10 is formed on the outer surface of the housing 3. The lock portion 10 is provided with left and right guide grooves 12 separated by a partition wall portion 11, and locking projections 13 are formed on the front sides of these guide grooves 12. A mounting hole 14 is provided at each corner of the mounting seat portion 4.

As shown in FIGS. 9 to 15, the insulator 15 has a substantially rectangular flat shape so that it can be inserted into the insulator mounting hole 7 of the housing 3. The chambers 17 and 18 are partitioned into one fitting chamber 19 at the bottom, the left and right fitting chambers 17 and 18 at the top are squares, and the fitting chamber 19 at the bottom is a rectangle long in the left and right. Internal terminal mounting holes 20 are formed in the center of the bottom parts 17a, 18a of the upper left and right fitting chambers 17, 18 and on the left and right of the bottom part 19a of the lower fitting chamber 19, respectively. An internal lance portion 21 is formed on one side wall portion of the internal terminal mounting hole portion 20. On the outer surface of the insulator 15, external lances 22 are formed at the left and right, and T-shaped guide protrusions 23 are formed at the top and bottom.

As shown in FIGS. 16 to 19, the internal terminal 16 is provided with a terminal main body 27. A contact 28 is provided at the tip of the terminal main body 27, and a guide protrusion 29 and an engaging protrusion 30 are provided at the intermediate portion. A crimp portion 31 is formed on each of the rear portions. The inner terminal 16 is attached to the electric wire 32 by crimping the core wire 33 of the electric wire 32 at the crimp portion 31.

Then, the insulator 15 is inserted into the insulator mounting hole 7 of the housing 3, and the T-shaped guide protrusion 23 of the insulator 15 is inserted into the guide inserting groove portion 2 of the insulator mounting hole 7. 4, the outer lance 22 of the insulator 15 is engaged with the lance insertion groove 8 of the insulator mounting hole 7 to mount the insulator 15 on the housing 3, and the inner terminal of the insulator 15 is inserted. The internal terminal 16 is inserted into the mounting hole portion 20, the internal lance portion 21 of the internal terminal mounting hole portion 20 is engaged with the engaging protrusion 30, and the internal terminal 16 is attached to the insulator 15. The female connector 1 is formed by inserting 28 into the fitting chambers 17, 18, and 19.

The female connector 2 includes a housing 33 and a terminal unit 37 including an insulator 34, a shield outer cylinder 35, and an inner terminal 36. The housing 33 is shown in FIGS. 23 to 25. As described above, an outer cylindrical portion 42 having a quadrangular front shape is formed at the front portion thereof, and a guide portion 38 having a quadrangular cross section and a seal member fitting portion 39 are formed at the rear portion thereof. A terminal unit fitting portion 40, which is an inner cylinder portion, is formed in the housing 1. The left and right and front and rear side wall portions 40a, 40b, 40c, 40d of the terminal unit fitting portion 40 are guide portions. 38 is connected to the left and right and upper and lower side wall portions 41a, 41b, 41c and 41d. An annular insertion recess 43 is formed between the left and right side wall parts 40 a, 40 b, 40 c, 40 d of the terminal unit fitting part 40 and the outer cylinder part 42, and the bottom part of the insertion recess 43 has a seal. -A member for housing the housing.

A square notch 44 is formed at the center of the left and right side walls 40a, 40b, 40c, 40d of the terminal unit fitting part 40. Further, a groove portion 45 is formed from the side wall portion 41d below the guide portion 38 to the center of the inner surface of the side wall portion 40d below the terminal unit fitting portion 40, and a lance portion 46 is formed at the center of this groove portion 45. There is. Further, stopper portions 46a are formed on both side edge portions of the cutout portion 44 of the side wall portion 40d below the terminal unit fitting portion 40. A slit 47 is formed on the lower side of the outer tubular portion 42 from its front edge to the rear, and lock pieces 48 are formed on the left and right sides of the outer tubular portion 42 sandwiching the slit 47. An engaging projection 49 is formed on the lock piece 48.

The terminal unit 37 includes an insulator 34, a shield outer cylinder 35, and an inner terminal 36. As shown in FIGS. 30 to 35, the insulator 34 has a quadrangular front shape, and on the front part thereof, the left and right fitting parts 50 and 51 are provided at the upper part, and the one fitting part 52 is provided at the lower part. The left and right upper fitting portions 50 and 51 are formed in a square shape, and the lower fitting portion 52 is a rectangle that is long in the left and right directions. Internal terminal mounting holes 53 are formed in the center of the upper left and right fitting portions 50 and 51 and on the left and right of the lower fitting portion 52, respectively. A lance portion 54 is formed on one side wall portion of the internal terminal mounting hole portion 53. In addition, a locking recess 55 is formed on the outer surface of the insulator 34 so as to be located on the upper surface.

As shown in FIGS. 26 to 29, the shield outer cylinder 35 is manufactured by punching a metal plate material and then bending the metal plate material. A crimping portion 57 is integrally formed on the rear portion. Contact portions 58 projecting outward are formed on the left and right surface portions of the outer tubular portion 56, a locking piece 59 is formed on the upper surface portion, and a stopper portion 60 is formed on the lower surface portion. There is. The crimp portion 57 has an outer cover crimp portion 61 and a shield crimp portion 62.

As shown in FIGS. 36 to 39, the internal terminal 36 is provided with a terminal body 63, and a contact portion 65 composed of a pair of contact pieces 64 is provided at a tip portion of the terminal body 63, and an engagement portion is provided at an intermediate portion. Joint protrusions 66 are formed, and a crimp portion 67 is formed on the rear portion. The inner terminal 36 is attached to the shield electric wire 70 by crimping the core wire 69 of the electric wire 68 at the crimping portion 67.

Then, the outer surface portion of the insulator 34 is covered with the shield outer cylinder 35, the locking piece 59 on the upper surface is bent, and is locked in the locking recess 55 of the insulator 34 so that the insulator 34 is fixed. The shield outer cylinder 35 is attached, the internal terminal 36 is inserted into the internal terminal mounting hole portion 53 of the insulator 34, and the lance portion 54 of the internal terminal mounting hole portion 53 is engaged with the engaging projection 66 to cause the internal terminal 36. Is attached to the insulator 34, the jacket 71 of the shielded electric wire 70 connected to the internal terminal 36 is crimped by the jacket crimping portion 61, and the shield 72 is crimped by the shield crimping portion 62. The unit 37 is configured.

Then, the terminal unit 37 is inserted into the seal member fitting portion 39 from the rear portion of the housing 33 via the guide portion 38, and the lance of the housing 33 is attached to the rear edge portion of the shield outer cylinder 42. The terminal unit 37 is attached to the housing 33 by engaging the portion 46 and the stopper portion 60 of the shield outer cylinder 42 against the stopper portion 46a of the housing 33, and then the terminal member 37 is mounted in the seal member fitting portion 39. The female connector 2 is configured by fitting the wire seal member 74 and accommodating the seal member 75 in the bottom portion of the insertion recess 43.

Next, the coupling of the female and male side connectors 1 and 2 will be described. As shown in FIG. 2, the male side connector 1 is attached to the chassis 77 by the screw 76 using the attachment holes 14 at each corner of the attachment seat portion 4. In this case, a seal member (packing) 78 is interposed between the peripheral portion of the opening 77a of the chassis 77 and the mounting seat 4.

Since the housing 3 of the female connector 1 is made of metal and has conductivity, the housing 3 is electrically connected to the chassis 77 via the screw 76, and the housing 3 is dropped to the ground. Has been done.

In this way, the female connector 2 is coupled to the male connector 1 attached to the chassis 77. In this connection, the housing 3 of the male connector 1 is inserted into the insertion recess 43 of the female connector 2, and the fitting portions 50, 51 and 52 of the terminal unit 37 are fitted into the fitting chambers 17, 18, and 19. , The contact 28 of the internal terminal 16 of the female connector 2 is inserted into and brought into contact with the contact portion 65 of the male connector 1, and at the same time, the contact portion 58 of the shield outer cylinder 35 is inserted into the housing of the male connector 1. 3, the locking piece 48 of the female connector 2 is inserted into the guide groove 12 of the locking portion 10 of the male connector 1, and the engaging projection 49 of the lock piece 48 is inserted into the guide groove. The locking projections 13 on the front side of 12 are engaged with each other for coupling.

In this case, the shield 72 of the shield electric wire 70 is connected to the male side via the contact portion 58 of the shield outer tube 35 of the terminal unit 37 and the contact protrusions 26 with which the contact portion 58 contacts. It is electrically connected to the housing 3 of the connector 1 and is guided to the chassis 77 through the screw 76 and dropped to the ground.

Further, in the male side connector 1, a seal member (packing) 78 is interposed between the peripheral portion of the opening 77 a of the chassis 77 and the mounting seat portion 4, and at this portion. Of the electric wire seal member 74 is fitted in the seal member fitting portion 39 in the female side connector 2, and the electric wire seal member 74 is Thus, the waterproof between the shield electric wire 70 and the housing 33 is surely achieved. Further, at the time of connection, the seal member 75 is accommodated in the bottom portion of the insertion recess 43 of the male and female connector 2, and the step portion 3a is provided inside the front portion of the housing 3 of the male connector 1. When the front end of the housing 3 is inserted into the insertion recess 43, the seal member 78 is compressed by the stepped portion 3a as shown in FIG. 1 to ensure the waterproofness of this portion. ing.

As described above, in the male connector 1, the male connector 2 is connected to the male connector 2 by the seal member (packing) 78 between the peripheral portion of the opening 77 a of the chassis 77 and the mounting seat 4. In addition, since the electric wire seal member 74 fitted in the seal member fitting portion 39 and the seal member 75 in the joint portion waterproof each other, the waterproof is surely performed. Be seen.

[0026]

[Effect of the device]

 As described above, according to the present invention, the housing of one connector is made of a metal that electrically short-circuits to the mounting portion having conductivity, and one contact portion is provided in the housing so that the housing is provided inside the housing. An internal terminal is provided via an insulator, a terminal unit is provided in the housing of the other connector, and this terminal unit is covered with a shield outer cylinder and the internal terminal is attached inside the insulator. The shield wire is connected to the shield outer cylinder, and the shield outer cylinder is provided with the other contact part that contacts one contact part when both connectors are connected. Therefore, when connecting both connectors, the shield of the shielded electric wire is connected to the connector of one terminal by the contact of the connector of the shield of the terminal unit with the contact of the housing of the other connector. Housing Conduction, and dropped to the ground electrically shorted to the mounting portion having conductivity. As described above, a shield material as a separate component is unnecessary, and an operation such as winding the shield material is not necessary, so that a complete shield can be performed.

[Brief description of drawings]

FIG. 1 is a perspective view of an electric connector structure according to the present invention before connection. (2) It is a perspective view of a terminal unit.

FIG. 2 is a plan view of an electric connector structure according to the present invention in a coupled state.

FIG. 3 is a front view of a male connector.

FIG. 4 is a plan view of the same.

FIG. 5 is a side view of the same.

FIG. 6 is a front view of the male connector.

FIG. 7 is a cross-sectional view taken along the line AA of FIG.

FIG. 8 is a sectional view taken along the line BB of FIG.

FIG. 9 is a front view of an insulator.

FIG. 10 is a plan view of the same.

FIG. 11 is a side view of the same.

FIG. 12 is a rear view of the same.

FIG. 13 is a cross-sectional view taken along the line CC of FIG.

FIG. 14 is a cross-sectional view taken along the line 9D-D of FIG.

FIG. 15 is a cross-sectional view taken along the line EE of FIG.

FIG. 16 is a perspective view of an internal male terminal in a wire-coupled state.

FIG. 17 is a plan view of the internal male terminal.

FIG. 18 is a side view of the internal male terminal.

FIG. 19 is a rear view of the internal male terminal.

FIG. 20 is a front view of the female connector.

FIG. 21 is a plan view of the same.

FIG. 22 is a side view of the same.

FIG. 23 is a front view of the housing of the female connector.

FIG. 24 is a cross-sectional view taken along the line F-F of FIG.

FIG. 25 is a cross-sectional view taken along the line G-G of FIG. 23.

FIG. 26 is a plan view of the shield outer cylinder.

FIG. 27 is a side view of the same.

FIG. 28 is a rear view of the same.

FIG. 29 is a front view of the same.

FIG. 30 is a front view of an insulator.

FIG. 31 is a plan view of the same.

FIG. 32 is a side view of the same.

FIG. 33 is a cross-sectional view taken along the line HH of FIG.

FIG. 34 is a cross-sectional view taken along the line I-I of FIG.

FIG. 35 is a cross-sectional view taken along the line JJ of FIG.

FIG. 36 is a plan view of the internal female terminal.

FIG. 37 is a side view of the internal female terminal.

FIG. 38 is a rear view of the internal female terminal.

FIG. 39 is a front view of the internal female terminal.

FIG. 40 is a perspective view of a conventional electric connector structure in a coupled state.

[Explanation of symbols]

 1 Male Connector (One Connector) 2 Female Connector (Other Connector) 3 Housing 15 Insulator 16 Internal Terminal 33 Housing 34 Insulator 35 Shield Outer Cylinder 36 Internal Terminal 37 Terminal Unit 70 Shield Wire 72 Series − Ludo

Claims (1)

[Scope of utility model registration request] 1. A housing of one of the connectors is made of a metal that electrically short-circuits to a mounting portion having conductivity, and one contact portion is provided in the housing, and the inside of the housing is provided via an insulator. A terminal is provided, a terminal unit is provided in the housing of the other connector, the insulator is covered with a shield outer cylinder, and an internal terminal is attached to the inside of the insulator. A shielded electric wire is constructed by connecting a shield to a shield outer cylinder, and the shield outer cylinder is provided with the other contact portion that comes into contact with one contact portion when the two connectors are coupled to each other. Connector structure.