WO2011015910A2

WO2011015910A2 - Cable connector

Info

Publication number: WO2011015910A2
Application number: PCT/IB2010/001723
Authority: WO
Inventors: 卢建; 瑟斯玛⋅皮特
Original assignee: 莫列斯公司
Priority date: 2009-06-22
Filing date: 2010-06-22
Publication date: 2011-02-10
Also published as: WO2011015910A3

Abstract

A cable connector comprising an adjoining circuit board, and a cable electrically connected to the adjoining circuit board is disclosed. The cable includes a plurality of conducting wires, a shield layer covering the wires, and an inner insulation shell covering the connection place of the adjoining circuit board and the cable. An inner shield member is disclosed, covering the inner insulation shell and connected to the shield layer of the cable. An outer insulation shell is disclosed, covering the inner shield member. An outer shield member is arranged around the outer insulation shell. At least one electric conducting component is arranged in the outer insulation shell, which electrically connects the inner shield member and the outer insulation member.

Description

Wire 缵 connector technology field

The present invention relates to a cable connector, and more particularly to an iPass cable connector that is less susceptible to external electromagnetic interference during signal transmission. Background technique

The cable connector is an important component for realizing data connection between electronic products. The conventional cable connector, as shown in Chinese patent ZL 200720178504.8, includes an insulative housing, and the insulative housing is internally provided with a pair of circuit boards. A cable is electrically connected to the rear end of the docking circuit board, and a front end of the docking circuit board is provided with a plurality of conductive sheets that can be electrically connected to the other mating connector. However, the docking circuit board and the cable of the conventional cable connector are directly disposed in the insulating casing, and the docking circuit board and the outer circumference of the cable are not provided with a shielding layer, so that effective electromagnetic shielding protection cannot be provided, so this The cable connector is susceptible to external electromagnetic interference during high-speed transmission of signals, resulting in signal transmission errors. Therefore, it is necessary to design a new cable connector to solve the above problem. Summary of the invention

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a cable connector that enhances electromagnetic shielding protection to improve signal transmission quality.

In order to achieve the above object, the present invention provides a cable connector including a pair of circuit boards and a cable electrically connected to the docking circuit board, the cable having a plurality of wires and covering the wires a shielding layer on the outer circumference of the wire, the cable connector further comprising: an insulating inner casing covering an outer circumference of the joint of the docking circuit board and the cable; an inner shield covering An outer circumference of the insulating inner casing and electrically connected to the shielding layer of the cable; an insulating outer casing covering the outer periphery of the inner shielding member; an outer shielding member mounted on the outer An outer periphery of the insulative housing; and at least one electrically conductive component disposed within the insulative housing, the at least one electrically conductive component electrically connecting the inner shield to the outer shield. a first recess is disposed on the insulative housing; the at least one conductive component includes a first conductive component disposed in the first recess, the first conductive component includes a body and the body At least one pair of elastic arms extending from the upper and lower sides, each pair of elastic arms including an upper elastic arm and a lower elastic arm, wherein the upper elastic arm elastically abuts against the outer shield, the lower elastic arm elastic abutting member to the inner shield, the shield member to said inner and said outer shield member electrically connected to each other - from ₀

a second recess is further disposed on the insulative housing; the at least one conductive component further includes a second conductive component disposed in the second recess, the second conductive component being C-shaped in cross section a strip-shaped member, the second conductive member includes a first elastic portion elastically abutting against the inner shield and a second elastic portion elastically abutting the outer shield to cause the inner shield The piece and the outer shield are electrically connected to each other.

The present invention has the following beneficial effects. The cable connector of the present invention is provided with an inner shielding member and an outer shielding member, and at least one conductive member is disposed between the inner shielding member and the outer shielding member to be electrically connected. The shielding member and the outer shielding member are used for grounding, thereby not only enhancing the electromagnetic shielding protection of the cable connector, but also improving the signal transmission quality, and the conductive member is elastically abutted between the inner shielding member and the outer shielding member. So that the two can establish a stable electrical connection relationship to maintain a good electromagnetic shielding effect. This kind of elastic abutment method is not easy to loosen and break even when the vibration is frequently severe, and the work is relatively reliable. DRAWINGS

1 is a perspective exploded view of a cable connector of the present invention;

2 is a perspective exploded view of another angle of the cable connector of the present invention;

3 to 6 are schematic diagrams showing stepwise assembly of the cable connector of the present invention;

Figure 7 is a perspective view of the cable connector of the present invention;

Figure 8 is a front elevational view of the cable connector of the present invention;

Figure 9 is a plan view of the cable connector of the present invention;

Figure 10 is a cross-sectional view taken along line A-A of Figure 9;

Figure 11 is a cross-sectional view taken along line B-B of Figure 9;

Figure 12 is a perspective view of the first conductive element of the cable connector of the present invention _:

Figure 13 is a perspective view of a second conductive member of the cable connector of the present invention. detailed description

The cable connector of the present invention is for interfacing with another connector socket (not shown) to enable a communication connection therebetween. In order to further illustrate the principles and structures of the invention, the preferred embodiments of the present invention

Referring to FIG. 1 to FIG. 2 , the cable connector of the present invention comprises a pair of circuit boards 1 , a cable 2 electrically connected to the docking circuit board 1 , and a circuit board 1 and the line An inner casing 3 on the outer circumference of the joint of the cable 2, an inner shield 4 covering the outer periphery of the inner casing 3, and an insulating casing 5 covering the outer periphery of the inner shield 4 are mounted on the insulating casing. A first conductive element 6 and a second conductive element 7 in the 5, an outer shield 8 and a hook element 9 mounted on the outer periphery of the insulating case 5.

The front end of the docking circuit board 1 is provided with a plurality of conductive sheets 11, and the conductive sheets 1 1 are respectively arranged on the upper and lower surfaces of the mating circuit board 1.

The cable 2 includes a plurality of wires 21 insulated from each other, a shielding layer 22 covering the outer circumference of the wires 21, and an outer insulating layer 23 covering the outer periphery of the shielding layer 22. The front ends of the wires 21 are respectively The conductive sheet 11 of the docking circuit board 1 is electrically connected together, and the front portion of the shielding layer 22 is exposed outside the outer insulating layer 23.

The insulating inner casing 3 is made of an insulating material which is injection-molded at the outer periphery of the joint of the mating circuit board 1 and the cable 2 (refer to FIG. 3 in combination), wherein the docking circuit board 1 is provided with The front end of the conductive sheet 11 protrudes forwardly from the insulating inner casing 3.

The inner shield member 4 is made of a plurality of layers of copper foil or other conductive material, and includes a shielding body 41 and a connecting portion 42 connected to the rear end of the shielding body 41. The shielding body 41 is covered in the insulating layer. The outer periphery of the case 3 covers the outer periphery of the shield layer 22 exposed at the front end of the cable 2 and is electrically connected thereto (refer to FIG. 4 in combination).

The insulating housing 5 is made of an insulating material, which is further injection-molded over the outer periphery of the inner shield 4 and the cable 2 (refer to FIG. 5). The insulating housing 5 includes a top plate 51 and a bottom plate 52. And two side plates 53 connected between the top plate 51 and the bottom plate 52. The top plate 51 and the front end of the bottom plate 52 respectively extend forward to form two mutually parallel tongue plates 54. Referring to FIG. 5, FIG. 10 and FIG. 11, a middle portion of the top plate 51 protrudes upwardly to form a protrusion 511. The protrusion portion 511 is provided with a first recess 55, and the first recess 55 includes a relatively small portion. Narrow card slot 552 and points Two accommodating grooves 554 are disposed on two sides of the card slot 552; a second groove 56 is disposed in a middle portion of the bottom plate 52. The upper and lower tongues 54 of the insulative housing 5 are respectively located above and below the docking circuit board 1 to form a pair of interfaces at the front end of the cable connector that can be docked with the socket connector.

Referring to FIG. 6 and FIG. 12 together, the first conductive member 6 is an elastic conductive member which is stamped and bent from a metal foil, and has a shape adapted to the shape of the first recess 55 on the insulating housing 5. , to be accommodated in the first groove 55. The first conductive element 6 includes a body 61 and two pairs of elastic arms respectively disposed at two ends of the body 61. The lower side of the middle portion of the body 61 is bent upward to form a fastening arm 62. The fastening arm 62 can A conductive element 6 is snapped into the slot 552 of the first recess 55 (refer to FIG. 10 in conjunction). Referring to FIG. 11 , each pair of elastic arms are elastically movably received in the two receiving grooves 554 of the first groove 55 , and are extended from the upper and lower sides of the corresponding ends of the body 61 to obliquely upward and obliquely downward. An upper elastic arm 63 and a lower elastic arm 64 are formed, wherein the upper elastic arm 63 elastically abuts against the outer shield member 8, and the lower elastic arm 64 elastically abuts against the inner shield member 4, thereby electrically connecting the outer shield member 8 and the purpose of the inner cover 4 .

Referring to FIG. 10, FIG. 11 and FIG. 13 together, the second conductive element 7 is a strip-shaped elastic conductive element having a C-shaped cross section formed by stamping and bending a metal foil, and the overall shape and the insulation thereof. The second recess 56 on the outer casing 5 is adapted to be received in the second recess 56. The second conductive member 7 includes a first elastic portion 71 and a second elastic portion symmetrically disposed above and below. 72. The first elastic portion 71 of the second conductive member 7 elastically abuts against the shield body 41 of the inner shield member 4 to form an electrical connection.

Referring to FIGS. 1 through 6, the outer shield member 8 is made of a metal material and includes an outer copper foil 81 and a shield 82. The outer copper foil 81 is substantially U-shaped, and can cover the outer circumference of the middle portion of the insulating shell 5 and cover the second recess 56, and can be disposed with the second conductive member 7 disposed on the second recess 54. The second elastic portions 72 are elastically abutted together to achieve electrical connection (refer to FIG. 10 and FIG. 1 1 in combination). The shield cover 82 is a square frame sleeved on the outer periphery of the insulative housing 5, and includes a cover top plate 821, two cover side plates 822 and a cover bottom plate 823. The cover top plate 821 is stepped. The shape is adapted to the shape of the protrusion 511 on the insulative housing 5 such that the cover top plate 821 can conformably cover the protrusion when the shield cover 82 is sleeved on the outer circumference of the middle portion of the insulative housing 5. The upper portion and the side surface of the portion 511 are in electrical contact with the upper elastic arm 63 of the first conductive member 6 disposed in the first recess 55; the cover side plate 822 is provided with two elastic pieces 824 protruding inwardly, and A plurality of elastic pieces 824 are also protruded inwardly on the cover bottom plate 823 so that the shielding cover 82 is When the outer periphery of the middle portion of the insulating case 5 is fitted, the elastic piece 824 elastically abuts against the outer surface of the outer copper foil 81 to form an electrical connection.

The hooking member 9 is disposed behind the protruding portion 511 of the top plate 51 of the insulative housing 5, and the hooking member 9 is provided with two hooks 91 so that the cable connector and the other connector socket are When the hook is not shown, the hook 91 can hook the connector socket (not shown) to prevent the cable connector from falling off.

When assembling the cable connector of the present invention, first referring to FIG. 1 to FIG. 3, the wire 21 on the cable 2 is first soldered to the rear of the docking circuit board 1, and then the docking circuit board 1 and the The outer periphery of the connection of the cable 2 is overmolded to form the inner insulating shell 3; then, referring to FIG. 4, the shielding body 41 of the inner shield 4 is wrapped around the outer circumference of the insulating inner casing 3, and the connecting portion 42 is covered. The outer periphery of the shield layer 22 exposed at the front end of the cable 2; referring to FIG. 5, the outer casing of the inner shield 4 is then overmolded to overmold the insulating casing 5, and the second conductive member 7 is loaded into the outer conductive member 7 In the second recess 56 of the insulative housing 5, the outer copper foil 81 is wrapped around the outer circumference of the central portion of the insulative housing 5, at which time the first elastic portion 71 and the second elastic portion of the second conductive member 7 72, respectively, the shield body 41 of the inner shield 4 and the outer copper foil 81 are elastically abutted to form an electrical connection (refer to FIG. 10 and FIG. 11 in combination), and the hook component 9 can be latched thereon. The rear surface 51 of the insulating case 5 is on the rear of the protruding portion 511; see also 6 and FIG. 7, finally, the first conductive member 6 is fastened into the first recess 55 of the insulative housing 5, and the shield 82 is sleeved from the front to the outer circumference of the outer copper foil 81. The upper elastic arms 63 and the lower elastic arms 64 of the first conductive member 6 are respectively elastically abutted against the top plate 821 of the shield cover 82 and the shield body 41 of the inner shield member 4 to form an electrical connection. The elastic piece 824 on the cover 82 and the outer copper foil 81 are also elastically abutted against each other to form an electrical connection (refer to FIG. 10 and FIG. 11 in combination), so that the inner shield 4 and the outer shield A stable electrical connection relationship is established between 8. Thereby, the cable connector shown in Fig. 7 is assembled. When the cable connector is docked with another connector socket (not shown), the shield 82 of the outer shield 8 is electrically connected to a shield (not shown) on the other connector socket. Together, the inner shield 4 and the shield 22 on the cable 2 connected thereto are electrically connected to each other to achieve the purpose of shielding external electromagnetic interference.

It should be noted that, in the cable connector of this embodiment, two conductive elements (ie, the first conductive element 6 and the second conductive element 7) are simultaneously disposed, but should not be limited thereto, that is, Said that in practical applications, the two conductive elements can be set only by setting one of them or setting multiple To a better shielding effect.

An inner shield member 4 and an outer shield member 8 are added to the cable connector of the present invention, and two conductive members 6, 7 are disposed between the inner shield member 4 and the outer shield member 8 to electrically connect the inner shield. The component 4 and the outer shield 8 are grounded, thereby enhancing the electromagnetic shielding protection of the cable connector, improving the signal transmission quality, and the two conductive elements 6, 7 are elastically abutted on the inner shield 4 and the outer Between the shielding members 8, the two establish a stable electrical connection relationship to maintain the grounding and obtain a good electromagnetic shielding effect. The elastic abutting method is not easy to loosen and disconnect even if the vibration is frequently applied. The work is more reliable.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and equivalent structural changes made by the present invention and the contents of the drawings are included in the scope of the present invention.

Claims

A cable connector comprising a pair of circuit boards and a cable electrically connected to the docking circuit board, the cable having a plurality of wires and a shielding layer covering the outer circumference of the wires. The cable connector further includes:

An insulating inner casing covering an outer periphery of a joint of the docking circuit board and the cable;

An inner shield covering the outer periphery of the insulating inner casing and electrically connected to the shielding layer of the cable;

An insulating outer casing covering the outer periphery of the inner shield;

An outer shield mounted on an outer circumference of the insulative housing;

At least one electrically conductive element disposed within the insulative housing, the at least one electrically conductive element electrically connecting the inner shield to the outer shield.

The cable connector according to claim 1, wherein the insulating housing is provided with a first recess; the at least one conductive component comprises a first one disposed in the first recess a conductive element, the first conductive element includes a body and at least one pair of elastic arms extending from upper and lower sides of the body, each pair of elastic arms including an upper elastic arm and a lower elastic arm, wherein the upper The elastic arm elastically abuts against the outer shield, and the lower elastic arm elastically abuts against the inner shield to electrically connect the inner shield and the outer shield to each other.

3. The cable connector of claim 2, wherein the first conductive element

The cable connector according to claim 3, wherein the first groove comprises a relatively narrow card slot and two receiving slots respectively disposed on two sides of the card slot, a conductive member is further bent on a side of the middle portion of the body to form a fastening arm, and the first conductive member is locked into the card slot of the first groove by the fastening arm, and the two pairs of elastic The arm is elastically movably received in the two receiving slots.

The cable connector according to claim 1, 2, 3 or 4, wherein the insulating housing is further provided with a second recess; the at least one conductive component further comprises a second conductive element in the two recesses, the second conductive element being an elongated element having a C-shaped cross section, the second conductive element comprising a first elasticity elastically abutting the inner shield And a second elastic portion elastically abutting the outer shield such that the inner shield and the outer shield are in contact with each other Electrically connected together.

The cable connector according to claim 5, wherein the outer shield comprises an outer copper foil disposed on an outer circumference of the insulating outer casing and one outer periphery of the outer copper foil a shielding cover, the outer copper foil covers the second recess, and is electrically connected to the second elastic portion of the second conductive element disposed in the second recess.

The cable connector according to claim 6, wherein the shield cover is provided with a plurality of elastic pieces, and the elastic pieces are elastically abutted on the outer copper foil to form an electrical connection.

The cable connector according to claim 1, 2, 3 or 4, wherein the outer shield comprises a shield, and the shield is sleeved on a periphery of the outer periphery of the insulating housing Shaped frame.

The cable connector according to claim 1, 2, 3 or 4, wherein the inner shield comprises a shield body and a connecting portion connected to a rear end of the shield body, the shield body And surrounding the outer circumference of the insulating inner casing and electrically connected to the at least one conductive element, the connecting portion is covered on the outer circumference of the shielding layer of the cable and electrically connected thereto.

The cable connector according to claim 9, wherein the inner shield is formed by coating a plurality of copper foils on an outer circumference of the insulating inner casing.