JPH0557779U - Electrical connector structure - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] To provide an electrical connector structure that can be completely shielded and that can positively lock a terminal unit double. [Structure] A plurality of retainer engaging portions are provided on the outer periphery of the rear portion of the socket side housing 3 in the circumferential direction, and the socket side terminal unit 4 is inserted and locked in the socket side terminal unit mounting portion of the socket side housing 3 to obtain Terminal unit 4
The female side terminal 24 is provided in the shield outer cylinder 13 connected to the shield of one of the shielded electric wires via the insulator 14, and the core wire of the shielded electric wire is attached to the female side terminal 24. A connector socket 1 in which the socket side terminal unit 4 is doubly locked by the retainer 35 and a connector plug 2 in which the plug side terminal unit 41 is doubly locked by the retainer. The shield outer cylinders 13 and 51 are in contact with each other when the connector socket 1 and the connector plug 2 are coupled.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 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 type, as shown in FIG. 46, 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 coupled to the lock portion 85 of the female side connector 82. The shield of this electrical connector structure is a female or male side connector. Not only 82 and 80 but also the entire electric wires 81 and 83 were covered with the shield material 86.

[0003]

[Problems to be solved by the device]

 However, as described above, in order to shield not only the female and male side connectors 82, 80 but also the entire electric wires 81, 83 with the shield member 86, a shield material is required as a separate component, Further, there is a problem that operations such as winding the shield material 86 are required, which is extremely complicated and cannot be completely shielded, and this shield material does not take any waterproofing means, There was a problem that it was difficult to use in places where waterproofing was required due to rust and the like.

The present invention has been made in view of the above-mentioned problems. For the purpose of the invention, a shield material as a separate component is unnecessary, and the shield is not required. An object of the present invention is to provide an electric connector structure that not only enables complete shielding without the need to wind material but also ensures locking of the terminal unit.

[0005]

In order to achieve the above object, the present invention provides a plurality of retainer engaging portions in the circumferential direction on the outer periphery of a rear portion of a socket side housing, and a socket side terminal of the socket side housing. Insert and lock the socket-side terminal unit in the unit mounting part, and insert this socket-side terminal unit into the shield outer cylinder connected to the shield of one of the shielded wires through an insulator. And the core wire of the shield wire is connected to this one terminal, and the retainer is attached to the rear end of the socket side housing by engaging its engaging leg with the retainer engaging part. A connector socket in which the socket side terminal unit is doubly locked by a lever retainer, and a plurality of retainer engaging parts in the circumferential direction are provided on the outer periphery of the rear part of the plug side housing. Install the plug-side terminal unit in the slave unit mounting part, and connect the plug-side terminal unit to the other terminal through an insulator in the shield outer cylinder connected to the shield of the other shield wire. It is constructed by connecting the core wire of the shielded electric wire to this terminal, and the retainer is attached to the rear end of the plug-side housing by engaging its engaging leg with the retainer engaging part. -A connector plug in which the plug-side terminal unit is doubly locked by a connector, and both shield outer cylinders are in contact with each other when the connector socket and the connector plug are coupled.

[0006]

[Action]

 With this configuration, when the connector socket and the connector plug are coupled together, the shielded outer cylinders may come into contact with each other and the shields of the shielded wires may be conducted, so that a shield material as a separate component is not necessary. A complete shield can be performed without the need to wind the shield material. For the connector socket and the connector plug, a retainer is attached to the rear end of these housings, and the retainer double-locks the terminal unit. Be certain.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a vertical cross-sectional view of an electric connector structure according to the present invention in a coupled state, FIG. 2 is a plan view of a connector socket of the electric connector structure according to the present invention, FIG. 3 is a side view thereof, and FIG. 4 is a front view thereof. 5 is a rear view of the same, and FIG. 6 is a sectional view taken along the line AA of FIG.

The electrical connector structure according to the present invention comprises a connector socket 1 and a connector plug 2. As shown in FIGS. 2 to 6, the connector socket 1 is provided with a socket side housing 3 and a socket side terminal unit 4, and the socket side housing 3 has an outer shape of a front surface as shown in FIGS. 7 and 8. It has a quadrangular shape, and its inner surface forms a front circular shape. The front side of the socket-side housing 3 is made thin to form a fitting portion 5, and an inclined surface is formed on the outer peripheral portion of the tip end of the fitting portion 5 to form a seal. It is formed on the press contact portion 5a. The inside of the socket-side housing 3 is a socket-side terminal unit mounting portion 3a, and a lance portion 3b is formed on the socket-side terminal unit mounting portion 3a. A lock portion 6 is provided on one side of the outer peripheral surface of the socket-side housing 3. The front and rear ends of the lock portion 6 are composed of a lock bar 7 connected to the socket-side housing 3, a locking projection 8 protruding from the upper surface of the lock bar 7, and a holding portion 9. Further, a retainer engaging portion 10 is formed on the outer peripheral surface portion of the socket side housing 3 at each corner. These retainer engaging portions 10 are provided with groove portions 11 formed in the front-rear direction at each corner of the outer peripheral surface portion 6 of the socket-side housing 3, and the engaging protrusions 12 are provided in these groove portions 11. It is projected.

As shown in FIGS. 9 and 10, the socket side terminal unit 4 is composed of a metal shield outer cylinder 13, an insulator 14, and a female side terminal 24. As shown in FIGS. 11 to 13, the shield outer cylinder 13 is provided with a cylindrical shield portion 16 which is vertically divided at one place, and the shield portion 16 is formed by a cut-and-raised piece. Locking pieces 17 and 18 are formed. A shield crimping portion 19 and a covering crimping portion 20 are integrally formed at the rear end of the shield portion 16.

An insulator 14 is attached to the shield portion 16 of the shield outer cylinder 13. The insulator 14 is a substantially cylindrical body as shown in FIGS. 14 to 16, and four terminal holding portions 21 are formed on the front side of the insulator 14, and these terminal holding portions 21 are independent of each other. Therefore, a gap is formed between the terminal holding portions 21. A terminal insertion hole 22 is formed in the terminal holding portion 21, and a lance portion 23 is formed in the terminal insertion hole 22.

A female terminal 24, which is one terminal, is inserted and locked in the terminal insertion hole 22 of the insulator 14. The female side terminal 24 is provided with a bag-shaped contact portion 25 as shown in FIGS. 17 to 19, and the contact portion 25 is provided with a contact piece 26. An engaging portion 27 is formed on the back of the contact portion 25, and a core wire crimping portion 22 is formed so as to be continuous with the contact portion 19.

Then, the core wires 29 of the shielded electric wires 28 are crimped to the core wire crimping portions 22 of the female terminals 24, and the female terminals 24 are inserted into the terminal insertion holes 22 of the insulator 14. The lance portion 23 is locked to the locking portion 27 of the female terminal 24, and the shield 30 of the shield wire 28 is crimped to the shield crimping portion 19 of the shield outer cylinder 13. A seal member 31 described later is attached to the shielded electric wire 23, and the covering portion 26 of the shielded electric wire 23 is pressure-bonded to the covering crimping portion 20 via the electric wire holding portion 33 of the seal member 31 so that the socket side terminal unit 4 Is configured.

The socket-side terminal unit 4 is inserted into the socket-side terminal unit mounting portion 3a of the socket-side housing 3, and the seal member 31 is press-fitted into the rear end portion of the socket-side terminal unit mounting portion 3a. is there. As shown in FIGS. 20 to 21, this seal member 31 has a wire holding portion 33 protruding from the inner surface side of a disk-shaped seal body 32, and two wire wires are provided from the wire holding portion 33 to the outer surface of the seal body 32. The insertion holes 34 are formed, and the shielded electric wires 28 are inserted into the electric wire insertion holes 43.

A retainer 35 is attached to the rear end of the socket-side housing 3. That is, in the retainer 35, as shown in FIGS. 23 to 25, four retainer legs 38 are formed in a retainer body 37 having left and right electric wire support portions 36, and engage holes 39 are formed in these retainer legs 38. The engaging leg portion 38 is inserted into the groove portion 11 of the retainer engaging portion 10 of the socket side housing 3, the engaging protrusion 12 is engaged with the engaging hole 34, and the retainer 35 is retained by the retainer engaging portion. It is attached to 10. The shield wire 28 is supported by the left and right wire support portions 36.

The connector plug 2 includes a plug-side housing 40 and a plug-side terminal unit 41 as shown in FIGS. 26 to 30, and the plug-side housing 40 has a plug-side housing 40 as shown in FIGS. 31 and 32. The outer shape is almost square on the front, and the inner surface is circular on the front. The inside of the plug-side housing 40 is a plug-side terminal unit mounting portion 42, and the front side of the plug-side terminal unit mounting portion 42 is a fitting recess 43. The corner of the fitting recess 43 is formed as the seal mounting portion 44. A lance portion 45 is formed on the plug-side terminal unit mounting portion 42. A lock bar insertion portion 46 is provided on one side of the outer peripheral surface portion of the plug side housing 40. A locking protrusion 47 is formed on the front end of the lock bar insertion portion 46. Further, a retainer engaging portion 48 is formed on the outer peripheral surface of the plug-side housing 40 at each corner. These retainer engaging portions 48 are provided with grooves 49 formed in the front-rear direction at each corner of the outer peripheral surface of the plug-side housing 40, and the locking projections 50 project into these grooves 49. It is set up.

The plug-side terminal unit 41 includes a metal shield outer cylinder 51, an insulator 52, and a male-side terminal 53. As shown in FIGS. 35 to 37, the shield outer cylinder 51 is provided with a cylindrical shield portion 54, which is vertically divided, and the shield portion 54 is formed by a cut-and-raised piece. A locking piece 55 is formed. A shield crimping portion 57 and a cover crimping portion 58 are integrally formed at the rear end of the shield portion 54.

An insulator 52 is attached to the shield portion 54 of the shield outer cylinder 51. This insulator 52 is a substantially cylindrical body as shown in FIGS. 38 to 40. Four insulators 59 are formed on the front side of the insulator 52, and terminals are inserted in the bottom of the insulator 59. A hole 61 is formed, and a lance portion 62 is formed in the terminal insertion hole 61.

The male side terminal 53, which is the other terminal, is inserted and locked in the terminal insertion hole 61 of the insulator 52. As shown in FIGS. 41 and 42, this male side terminal 53 is provided with a contact portion 64, and a locking portion 65 and a core wire crimping portion 66 are formed in series with the contact portion 64.

The core wire 68 of the shielded wire 67 is crimped onto the core wire crimping portion 66 of the male terminal 53, and the male terminal 53 is inserted into the terminal insertion hole 61 of the insulator 52. The locking portion 65 of the male-side terminal 53 is locked with the lance portion 62, and the shield 69 of the shielded electric wire 67 is crimped to the shield crimping portion 57 of the shield outer cylinder 51. A seal member 73 is attached to the shielded electric wire 67, and the covering portion 70 of the shielded electric wire 67 is crimped to the covering pressing portion 58 via the electric wire holding portion 33 of the sealing member 73 so that the plug-side terminal unit 41 is secured. It is configured.

A connector seal 71 is mounted on the seal mounting portion 44 of the fitting recess 43 of the plug-side housing 40. The connector seal 71 has an annular shape as shown in FIGS. 43 to 45, and a plurality of uneven portions 72 are formed on the front side thereof. The plug-side terminal unit 41 is inserted into the plug-side terminal unit mounting portion 42 of the plug-side housing 40, and the seal member 73 is press-fitted into the rear end portion of the plug-side terminal unit mounting portion 42. The seal member 73 has the same structure as the seal member 31 described above, and the shield electric wire 67 is inserted into the electric wire insertion hole 34.

At the rear end of the plug-side housing 40, a retainer 74 having the same structure as the above-mentioned retainer 35 is provided, and the engaging leg 33 is provided in the groove 49 of the retainer engaging portion 48 of the plug-side housing 40. , And the engaging projections 50 are engaged with the engaging holes 34 and attached to the retainer engaging portion 48. The shielded electric wire 64 is supported by the left and right electric wire support portions 36.

Next, the connection between the connector socket 1 and the connector plug 2 will be described. The fitting portion 5 of the connector socket 1 is inserted into the fitting concave portion 43 of the connector plug 2, and the lock portion 6 of the connector socket 1 is inserted into the lock bar insertion portion 46 of the connector plug 2 to obtain the plug of the connector socket 1. The terminal holding portion 21 of the insulator 14 of the side terminal unit 4 is inserted into the insertion portion 59 of the insulator 52 of the connector plug 2 and the contact portion 64 of the male side terminal 53 is inserted into the female side terminal 24 so that both terminals 24 , 53 are brought into contact with each other, and both shield outer cylinders 13, 51 are brought into contact with each other, so that the locking projections 8 projecting from the upper surface of the lock bar 7 of the lock portion 6 are fitted to the locking projections 47 of the lock bar insertion portion 46. Lock it. In this case, the seal pressure contact portion 5a at the tip of the fitting portion 5 of the connector socket 1 presses against the connector seal 71 mounted on the seal mounting portion 44 of the fitting recess 43 of the connector plug 2 to form a coupling portion. Is waterproofed. Further, the connector socket 1 and the connector plug 2 are provided with sealing members 31 and 73 respectively at their rear end portions to achieve waterproofing.

According to the above-described embodiment, when the connector socket 1 and the connector plug 2 are coupled, the shield outer cylinders 13 and 51 contact each other, and the shields 30 and 69 of the shielded wires 28 and 67 are electrically connected. As a result, a shield material as a separate component is unnecessary, and a complete shield can be performed without the need for an operation such as winding a shield material. The connector socket 1 and the connector plug 2 have retainers 34 and 75 attached to the rear ends of the housings 3 and 40 to double-hold the terminal units 4 and 41. , 41 is securely locked.

[0024]

[Effect of the device]

 As described above, according to the present invention, a plurality of retainer engaging portions are provided on the outer periphery of the rear portion of the socket side housing in the circumferential direction, and the socket side terminal unit is inserted and locked in the socket side terminal unit mounting portion of the socket side housing. This socket-side terminal unit is provided with one terminal via an insulator inside the shield outer cylinder connected to the shield of one shield wire, and the shield wire is connected to this one terminal. , And the retainer is attached to the rear end of the socket-side housing to attach the retainer to the retainer engaging part. A heavily locked connector socket and multiple retainer engaging parts are provided on the outer circumference of the rear part of the plug-side housing in the circumferential direction, and the plug-side terminal unit is installed in the plug-side terminal unit mounting part of the plug-side housing. Mount the plug-side terminal unit, and install the other terminal through an insulator in the shield outer cylinder connected to the shield of the other shield wire. It is configured by connecting the core wire of the lead wire, and the retainer is attached to the rear end of the plug-side housing by engaging its engaging leg with the retainer engaging part, and the retainer is used to attach the plug-side terminal unit. The connector has a double-locked connector plug, and both shield outer cylinders are brought into contact with each other when the connector socket and the connector plug are combined. Since the shields of both shielded wires can be made conductive by contacting each other, a shield material as a separate component is unnecessary, and there is no need to wind the shield material or the like to complete the shield. Can be done That. Also, for connector sockets and connector plugs, a retainer is attached to the rear end of these housings, and this retainer double-locks the terminal unit, ensuring the locking of the terminal unit. Become.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a connected state of an electric connector structure according to the present invention.

FIG. 2 is a plan view of a connector socket having an electric connector structure according to the present invention.

FIG. 3 is a side view of the same.

FIG. 4 is a front view of the same.

FIG. 5 is a rear view of the same.

FIG. 6 is a cross-sectional view taken along the line AA of FIG.

FIG. 7 is a front view of the housing of the connector socket.

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

FIG. 9 is a vertical cross-sectional view with a part of the socket-side terminal unit omitted.

FIG. 10 is a perspective view of the same.

FIG. 11 is a plan view of a shield outer cylinder of the socket-side terminal unit.

FIG. 12 is a side view of the same.

FIG. 13 is a front view of the same.

FIG. 14 is a side view of an insulator of the socket side terminal unit.

FIG. 15 is a front view of the same.

FIG. 16 is a cross-sectional view taken along the line C-C of FIG.

FIG. 17 is a plan view of a female terminal.

FIG. 18 is a side view of the same.

FIG. 19 is a cross-sectional view taken along the line 17D-D of FIG.

FIG. 20 is a side view of the seal member.

FIG. 21 is an inside view of the same.

FIG. 22 is an external view of the same.

FIG. 23 is a front view of the retainer.

FIG. 24 is a view from the direction of FIG. 23E.

FIG. 25 is an arrow view from the direction of FIG. 23F.

FIG. 26 is a plan view of a connector plug of an electric connector structure according to the present invention.

FIG. 27 is a side view of the same.

FIG. 28 is a front view of the same.

FIG. 29 is a rear view of the same.

FIG. 30 is a cross-sectional view taken along the line 26G-G of FIG.

FIG. 31 is a front view of the housing of the connector plug.

FIG. 32 is a cross-sectional view taken along the line HH of FIG.

FIG. 33 is a vertical cross-sectional view with a part of the plug-side terminal unit omitted.

FIG. 34 is a perspective view of a plug-side terminal unit.

FIG. 35 is a plan view of a shield outer cylinder of the plug-side terminal unit.

FIG. 36 is a side view of the same.

FIG. 37 is a front view of the same.

FIG. 38 is a side view of the insulator of the plug-side terminal unit.

FIG. 39 is a front view of the same.

FIG. 40 is a cross-sectional view taken along the line I-I of FIG. 39.

FIG. 41 is a plan view of the male terminal.

FIG. 42 is a side view of the same.

FIG. 43 is a front view of the connector seal.

FIG. 44 is a side view of the same.

FIG. 45 is a cross-sectional view taken along the line JJ of FIG.

FIG. 46 is a perspective view of a conventional electric connector structure.

[Explanation of symbols]

 1 Connector Socket 2 Connector Plug 3 Socket Side Housing 3a Socket Side Terminal Unit Mounting Part 4 Socket Side Terminal Unit 6 Retainer Engaging Part 13 Shield Outer Cylinder 14 Insulator 24 Female Side Terminal (One Terminal) 35 Retainer 40 Socket Side Housing 41 Plug-side terminal unit 42 Plug-side terminal unit mounting part 48 Retainer engaging part 51 Shield outer cylinder 52 Insulator 63 Male side terminal (other terminal) 74 Retainer

Claims (1)

[Scope of utility model registration request] 1. A plurality of retainer engaging portions are provided circumferentially on the outer periphery of a rear portion of a socket side housing, and the socket side terminal unit is inserted and locked in a socket side terminal unit mounting portion of the socket side housing. The terminal unit is provided with one terminal via an insulator in the shield outer cylinder connected to the shield of one shield wire, and the core wire of the shield wire is connected to this one terminal. Consists of
Attach the retainer to the rear end of the socket-side housing by engaging the engaging legs with the retainer engaging portion and attaching the retainer.
Connector socket that double-locks the socket-side terminal unit with a socket, and a plurality of retainer engaging parts in the circumferential direction on the outer periphery of the rear of the plug-side housing, and plug inside the plug-side terminal unit mounting part of the plug-side housing. Side terminal unit is mounted, and the plug side terminal unit is provided with the other terminal through an insulator inside the shield outer cylinder connected to the shield of the other shielded electric wire and the shielded terminal unit. It is configured by connecting the core wire of the lead wire, and the retaining leg is engaged with the retainer engaging portion at the rear end of the plug side housing.
And a connector plug in which the plug-side terminal unit is doubly locked by the retainer, and both shield outer cylinders are brought into contact with each other when the connector socket and the connector plug are coupled. Connector structure.