KR102095797B1 - Connector assembly and connector-cable assembly including the same - Google Patents

Abstract

According to the present invention, provided is a connector assembly which is coupled to at least one end unit of a shield cable having a main conducting wire unit extended in a longitudinal direction, and a shield unit extended in the longitudinal direction to surround the main conducting wire unit. The connector assembly comprises: a cover formed to surround the main conducting wire unit; a collet formed to surround the main conducting wire unit and the shield unit and disposed to be spaced apart from the cover in the longitudinal direction; and a shield washer interposed between the cover and the collet and formed to be guided to an outer circumferential side by allowing the main conducting wire unit to pass through an inner circumferential side, and allowing the shield unit to be in contact with an outer circumferential surface. Accordingly, the ground of the shield unit can be stably implemented.

Description

CONNECTOR ASSEMBLY AND CONNECTOR-CABLE ASSEMBLY INCLUDING THE SAME

The present invention relates to a connector assembly having an electromagnetic wave shielding function and a shielded cable.

In general, a connector means a component that electrically connects power and electrical / electronic devices or parts inside electrical / electronic devices. Among them, the shielding connector is a connector for connecting a shielding cable configured to block noise caused by electromagnetic waves from the outside or to leak electromagnetic waves to the outside, and is used in various industries such as vehicles and communication.

In this regard, FIGS. 1A and 1B are views showing the interior of a connector in which a shielded cable is assembled as a prior art. Referring to Figures 1a and 1b, a typical shielded cable consists of a conductor portion 11 for transmitting a signal, a shield portion 12 surrounding the conductor portion, and a covering portion 13 surrounding the shield portion, and the connector includes a shield portion ( 12). Specifically, while the cable fixing plate 15 is fastened to the cable cover 14 through which the conductor portion 11 passes, the shield wires constituting the shield portion 12 are collected in one direction and drawn out to be fastened together. .

However, in the prior art configuration of forming the ground by inducing the shield wires surrounding the conductor portion 11 in one direction at a time, the ground wire is not kept wide and the shield wires are tied to the point at which the fastening is performed. This was a problem in that it requires a separate operation to withdraw. In particular, as the number of shield wires has recently increased and the thickness becomes thick, it has become difficult to ensure reliability related to the shielding effect by implementing effective grounding in the conventional method.

An object of the present invention is to provide a connector assembly having a grounding structure formed to secure a wide contact area with a shield portion, and a connector-cable assembly having the same.

Another object of the present invention is to provide a connector assembly having a configuration in which a connection operation for grounding can be efficiently performed, and a connector-cable assembly having the same.

In order to achieve one object of the present invention, the connector assembly according to the present invention is coupled to at least one end of a shielding cable having a main conductor part extending in the longitudinal direction and a shield part extending in the longitudinal direction to surround the main conductor part. As being, the cover is formed to surround the main conductor; A collet formed to surround the main conductor portion and the shield portion and disposed to be spaced apart from the cover in the longitudinal direction; And a shield washer interposed between the cover and the collet, the main conductor portion passing through the inner circumferential side, and the shield portion contacting the outer circumferential surface and being guided to the outer circumferential side.

The shield washer includes: a ring portion whose inner peripheral surface extends to face the main conductor portion; And a flange portion formed to extend toward the outer circumference from the ring portion.

In order to achieve another object of the present invention, a connector assembly according to the present invention includes a body formed to receive the cover and support it in one of the longitudinal directions; And a screw cap formed to receive at least a portion of the collet and support it in the other direction of the longitudinal direction, wherein the body and the screw cap are rotated about an axis extending in the longitudinal direction and screwed to each other, The cover washer and the collet are pressed close to each other with a shield washer and a shield part interposed therebetween.

The shield washer may be further provided with a plurality of slit portions that are formed to cut a portion of the ring portion and accommodate the shield portion.

The slit portion may extend along the length direction, and the plurality of slit portions may be disposed to be spaced apart along the circumferential direction of the ring portion.

An uneven portion for increasing the contact area with the shield portion may be formed on at least one of the outer peripheral surface of the ring portion and one surface of the flange portion adjacent to the outer peripheral surface of the ring portion.

The uneven portion may be formed in a pattern that repeats along the circumferential direction of the ring portion or the flange portion.

The connector-cable assembly according to the present invention includes: a shielding cable having a main conductor portion extending in a longitudinal direction and a shield portion extending in the longitudinal direction to surround the main conductor portion; And a connector assembly coupled to at least one end of the shielding cable, the connector assembly comprising: a cover formed to surround the main conductor; A collet formed to surround the main conductor portion and the shield portion and disposed to be spaced apart from the cover in the longitudinal direction; And a shield washer interposed between the cover and the collet, the main conductor portion passing through the inner circumferential side, and the shield portion contacting the outer circumferential surface and being guided to the outer circumferential side.

ADVANTAGE OF THE INVENTION According to this invention comprised by the solution means demonstrated above, it has the following effects.

The ground connection is implemented in a structure that extends to the outer circumferential side while the shield portion of the shielding cable contacts the outer circumferential surface of the shield washer provided in the connector assembly according to the present invention. Thereby, the ground region of the shield portion may be formed wide in a ring shape surrounding the main conductor portion. Therefore, a stable grounding and electromagnetic shielding effect can be implemented.

In addition, when assembling the connector assembly and the shielding cable according to the present invention, the coupling of the ground structure can be achieved by a simple operation of separating the main conductor portion and the shield portion and mounting the shield washer without processing the shield portion in a separate form. have. Therefore, the connector assembly according to the present invention can be economically assembled with a shielded cable.

1A and 1B are views showing the inside of a connector in which a shielded cable is assembled as a prior art.
Figure 2 is a perspective view showing the development of the components of the connector assembly in the present invention.
3 is a cross-sectional view showing a state in which a shielded cable is assembled to the connector assembly shown in FIG. 2.
FIG. 4 is a view showing a ground region formed by the shield washer shown in FIG. 2.
5A and 5B are views showing other embodiments of the shield washer of the connector assembly according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. In addition, in order to clearly describe the present invention in the drawings, parts irrelevant to the description are omitted, and like reference numerals are assigned to similar parts throughout the specification.

Throughout the specification, when a part “includes” a certain component, it means that the component may further include other components, not to exclude other components, unless otherwise stated. In addition, when it is said that a part is "connected" with another part in the whole specification, this includes not only the case of being directly connected but also being connected through another part in the middle. Furthermore, throughout this specification, when a member is said to be "on" another member, this includes not only the case where one member is in contact with the other member but also another member between the two members.

The connector assembly according to the present invention is assembled at the end of a shielding cable, and is characterized by having a structure capable of improving reliability related to grounding and shielding. In addition, the connector-cable assembly according to the present invention is a shield cable and a connector assembly according to the present invention.

Figure 2 is a perspective view showing the development of the components of the connector assembly 100 according to the present invention, Figure 3 is a cross-sectional view showing a state in which the shielding cable 200 is assembled to the connector assembly 100 shown in Figure 2 to be. In addition, FIG. 4 is a view showing a ground area formed by the shield washer 130 shown in FIG. 2.

The shielding cable 200 described below may include a main conductor portion 210 and a shield portion 220. The main conductor 210 extends in the longitudinal direction and may be formed of a conductive material capable of transmitting current or signals.

The shield part 220 is a component for performing the electromagnetic wave shielding function of the shielding cable 200, and may be formed to extend in the longitudinal direction while surrounding one or a plurality of main conductor parts 210. For example, the shield part 220 may be formed in a tube shape by a plurality of metal wires intertwined like a mesh, a plurality of metal wires spirally wound into a tube shape, or a tape made of a metal material in a tube shape to form a main conductor portion ( 210).

In addition, the shielding cable 200 may further include an outer shell portion 230 of an insulating material surrounding the outer surface of the shield portion 220. The connector assembly 100 according to the present invention may be coupled to both ends or one end of the shielding cable 200.

2 and 3, the connector assembly 100 according to the present invention includes a cover 110, a collet 120, and a shield washer 130.

The cover 110 and the collet 120 are components inserted into the connector assembly 100 and may perform a function of fixing the position of the shield washer 130. The cover 110 and the collet 120 may be made of an insulating material.

Referring to FIG. 3, the cover 110 may be formed in a cylindrical shape to surround the main conductor portion 210 exposed at the end of the shielding cable 200. In addition, the collet 120 may be formed in a cylindrical shape to surround the shielding cable 200 or the main conductor portion 210 and the shield portion 220, and may be disposed to be spaced apart from each other in the longitudinal direction with the cover 110. .

The shield washer 130 provided in the present invention is interposed between the cover 110 and the collet 120. The shield washer 130 may be formed in a ring shape axially in the longitudinal direction, and may be positioned on the inner circumferential side (inside the ring shape) so that the main conductor 210 passes. However, the shield part 220 may not be passed to the inner circumferential side of the shield washer 130, but may be guided to the outer circumferential side. As illustrated, the shield part 220 may be in contact with the outer circumferential surface of the shield washer 130 and guided to the outer circumferential side, so that an end portion may be assembled in an extended shape.

The shield washer 130 may be made of a metal material to perform a grounding role. More specifically, the shield washer 130 may include an integrally formed ring portion 131 and a flange portion 132.

The ring portion 131 may have an inner circumferential surface extending to face the main conductor portion 210, and may be formed, for example, in a cylindrical shape or a truncated cone shape in the longitudinal direction. In addition, the flange portion 132 may be formed to be connected to the longitudinal end of the ring portion 131 to expand the diameter toward the outer circumferential side. The outer circumferential surface of the ring portion 131 and one surface of the flange portion 132 adjacent to the outer circumferential surface of the ring portion 131 may form a continuous surface with each other to guide the shield portion 220 to extend in the outer circumferential direction.

According to the present invention, the shield part 220 of the shielding cable 200 may be grounded and connected to the entire outer circumferential surface of the shield washer 130 provided in the present invention. Accordingly, the connector assembly 100 according to the present invention has an effect that reliability of ground connection and electromagnetic wave shielding can be improved.

Meanwhile, the connector assembly 100 according to the present invention may further include a body 140 and a screw cap 150. The body 140 and the screw cap 150 may form an outer shape of the connector assembly 100 that receives and protects the cover 110 and the collet 120 and the shield washer 130. The body 140 and the screw cap 150 may be made of a metallic material.

Specifically, the cover 110 may be inserted into the body 140 such that the outer circumferential surface contacts the inner circumferential surface of the body 140. At this time, the cover 110 may be supported by the body 140 on the opposite end of the side in which the shield washer 130 is positioned in the longitudinal direction. That is, the body 140 may be formed to support the cover 110 in one direction R of the longitudinal direction. The screw cap 150 may accommodate at least a portion of the collet 120, and the collet 120 may be supported by the screw cap 150 at an opposite end of the side in which the shield washer 130 is located in the longitudinal direction. have. That is, the screw cap 150 may be formed to support the collet 120 in the other direction (F) of the longitudinal direction.

In addition, the body 140 and the screw cap 150 may be made to be screwed to each other by rotation in the longitudinal direction of each other. At this time, the body 140 and the screw cap 150 may be screwed while supporting the cover 110 and the collet 120 in opposite directions (R, F), respectively. By such a screw coupling, the cover 110 and the collet 120 may be pressed and fastened to be close to each other with the shield washer 130 and the shield portion 220 therebetween.

By the above fastening method and structure, the connector assembly 100 according to the present invention does not need to process the shield portion 220 of the shielding cable 200 into a separate shape when assembling the shielding cable 200. That is, by separating the main conductor part 210 and the shield part 220, they are disposed inside and outside the shield washer 130, respectively, and the ground structure is formed by a simple assembly process of fastening the body 140 and the screw cap 150. The binding of can be made solid. Therefore, the connector assembly 100 according to the present invention can be economically performed to assemble the shielding cable 200 while connecting the ground.

Meanwhile, referring to FIG. 2, the connector assembly 100 according to the present invention may further include a terminal unit 160, a rotating cap 170, an O-ring 180, and a supporting member 190. The terminal part 160 may include a pin 161 electrically connected to the main conductor part 210 and an insulator 162 on which the pin 161 is supported. The rotation cap 170 is coupled to the body 140 so as to be rotatable, and the terminal portion 160 can be fastened and fixed to the connection target by rotation of the rotation cap 170. The O-ring 180 is mounted on the outer circumferential surface of the collet 120 to perform a supporting and sealing role, and the supporting member 190 is interposed between the collet 120 and the outer shell 230 of the shielding cable 200 Made of a ring shape, it can serve to support or secure the shielding cable 200.

5A and 5B are views showing other embodiments of the shield washer of the connector assembly 100 according to the present invention. Hereinafter, with reference to FIGS. 5A and 5B, other embodiments capable of further securing the ground area of the shield washers 330 and 430 and the shield part 220 will be described.

5A, the shield washer 330 provided in the present invention may further include a plurality of slit portions 333. The slit portion 333 may be formed by cutting a portion of the ring portion 331, and a portion of the metal wire constituting the shield portion 220 may be accommodated therein. As illustrated, each slit portion 333 is formed to extend along the longitudinal direction, and a plurality of slit portions 333 may be arranged to be spaced apart at predetermined intervals along the circumferential direction of the ring portion 131.

In addition, referring to FIG. 5B, an uneven portion 433 may be formed in the shield washer 430 provided in the present invention. The uneven portion 433 may be formed on at least one of the outer peripheral surface of the ring portion 431 and one surface of the flange portion 432 adjacent to the outer peripheral surface of the ring portion 431. The uneven portion 433 is for increasing the contact area with the shield portion 220, and may be formed of a surface formed to protrude and recess from the ring portion 431 or the flange portion 432. The protruding and recessed surfaces, for example, may form a pattern that repeats along the circumferential direction of the ring portion 431 or the flange portion 432. The uneven portion 433 may be designed in a size and shape that is easy to accommodate individual metal wires constituting the shield portion 220.

Since the slit portion 333 or the uneven portion 433 is formed in the shield washers 330 and 430 provided in the present invention, the contact area between the shield portion 220 formed of the metal wires and the shield washers 330 and 430 is It can be further expanded. Therefore, the connector assembly 100 of the present invention has the advantage that the ground connection can be more reliably guaranteed. Particularly, even when a structure in which metal wires constituting the shield portion 220 or a thickness of the metal wires are variously formed, areas where the shield washers 330 and 430 and the shield portion 220 contact each other are secured widely. You can.

That is, even if it has the same diameter as the shield washer 130 of the previous embodiment, the contact area with the shield part 220 can be further maximized, thereby additionally securing a grounding area and increasing the effect of shielding electromagnetic waves and improving reliability. .

On the other hand, the connector-cable assembly according to the present invention includes a shielding cable 200 and a connector assembly 100 coupled to each other. The shielding cable 200 includes a main conductor portion 210 extending in the longitudinal direction and a shield portion 220 extending in the longitudinal direction to surround the main conductor portion 210. In addition, the connector assembly 100 is coupled to at least one end of the shielding cable 200, and includes a cover 110, a collet 120, and a shield washer 130. Specifically, the cover 110 is formed to surround the main conductor portion 210, and the collet 120 is formed to surround the main conductor portion 210 and the shield portion 220 and is spaced apart from the cover 110 in the longitudinal direction. It is arranged as much as possible. Then, the shield washer 130 interposed between the cover 110 and the collet 120 is formed to pass the main conductor portion 210 to the inner circumferential side and guide the shield portion 220 to the outer circumferential side by contacting the outer circumferential surface.

The description of the present invention described above is for illustration only, and those skilled in the art to which the present invention pertains can understand that the present invention can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. There will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

In addition, the scope of the present invention is indicated by the following claims rather than the above detailed description, and it should be interpreted that all changes or modified forms derived from the meaning and scope of the claims and equivalent concepts thereof are included in the scope of the present invention. do.

11: conductor
12: Shield
13: coating
14: cable cover
15: cable fixing plate
100: connector assembly
110: cover
120: collet
130, 330, 430: shield washer
131, 331, 431: ring part
132, 332, 432: flange
140: body
150: screw cap
160: terminal
161: pin
162: insulator
170: rotating cap
180: O-ring
190: support member
200: shielded cable
210: main conductor
220: shield
230: outer skin
333: slit
433: irregularities

Claims (8)

In the connector assembly coupled to at least one end of the shielding cable having a main conductor portion extending in the longitudinal direction and a shield portion extending in the longitudinal direction to surround the main conductor portion,
A cover formed to surround the main conductor portion;
A collet formed to surround the main conductor portion and the shield portion and disposed to be spaced apart from the cover in the longitudinal direction;
A shield washer interposed between the cover and the collet, the main conductor portion passing through the inner circumferential side, and the shield portion contacting the outer circumferential surface and being guided to the outer circumferential side;
A body formed to receive the cover and support it in one of the longitudinal directions; And
And a screw cap formed to receive at least a portion of the collet and support it in the other direction of the longitudinal direction.
The shield washer,
A ring portion whose inner circumferential surface extends to face the main conductor portion;
A flange portion formed to extend toward the outer circumference from the ring portion; And
It is provided with a plurality of slit portions that are arranged to extend along the longitudinal direction by cutting a portion of the ring portion and spaced apart in the circumferential direction of the ring portion, to accommodate the shield portion,
The body and the screw cap are rotated around an axis extending in the longitudinal direction and screwed to each other, and the connector assembly characterized in that the cover and the collet are pressed close to each other with the shield washer and the shield portion therebetween.
delete delete delete delete delete delete A shielding cable having a main conductor portion extending in the longitudinal direction and a shield portion extending in the longitudinal direction to surround the main conductor portion; And
And a connector assembly coupled to at least one end of the shielding cable,
The connector assembly,
A cover formed to surround the main conductor portion;
A collet formed to surround the main conductor portion and the shield portion and disposed to be spaced apart from the cover in the longitudinal direction;
A shield washer interposed between the cover and the collet, the main conductor portion passing through the inner circumferential side, and the shield portion contacting the outer circumferential surface and being guided to the outer circumferential side;
A body formed to receive the cover and support it in one of the longitudinal directions; And
And a screw cap formed to receive at least a portion of the collet and support it in the other direction of the longitudinal direction.
The shield washer,
A ring portion whose inner circumferential surface extends to face the main conductor portion;
A flange portion formed to extend toward the outer circumference from the ring portion; And
It is provided with a plurality of slit portions that are arranged to extend along the longitudinal direction by cutting a portion of the ring portion and spaced apart in the circumferential direction of the ring portion, to accommodate the shield portion,
The body and the screw cap are rotated around an axis extending in the longitudinal direction and screwed to each other, and the connector-cable assembly characterized in that the cover and the collet are pressed close to each other with the shield washer and the shield part interposed therebetween. .

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