KR100800788B1 - Means for connecting shield-electrode and shield connector having the same - Google Patents

Abstract

A shield shell connection unit and a shield connector having the same are provided to mount a shield cable in a shield connector easily and reduce work time for connecting the shield cable with the shield connector. In a connection unit for electrically coupling a shield layer(13) installed in a shield cable(10) with a shield shell of a shield connector, the connection unit comprises a connection member(50) and a shield ring(60). The connection member includes a hollow for enabling at least the shield cable to pass through. One part of the connection member is directly contacted with the shield layer exposed to the outside, and the other part is fixed to an outer cover(14). The shield ring surrounds a part fixed to the outer cover of the connection member, and includes a flange(62) in its one end.

Description

Shield shell connecting means and shield connector having the same {Means for connecting shield-electrode and Shield connector having the same}

The following drawings attached to this specification are illustrative of preferred embodiments of the present invention, and together with the detailed description of the invention to serve to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings It should not be construed as limited to

1 is a view showing a shield shell connecting means and a shield shell according to the prior art.

2 is an exploded perspective view of a shield shell connecting means connected to a shield cable according to a preferred embodiment of the present invention.

3 is a perspective view of a shield shell connecting means mounted on a shield cable according to a preferred embodiment of the present invention.

4 is a cross-sectional view of a shield connector with shield shell connecting means according to a preferred embodiment of the present invention.

<Description of main reference numerals in the drawings>

10 ... shield cable 11 ... core

12 ... endothelial 13 ... shielding layer

14 ... shell 20 ... shield shell connection means

21 Protrusion 30 Shield electrode

31 ... corresponding connection member 32 ...

50.Connectors 51 ... Head

52.Shield layer contacts 53 ... Fixed

54 ... slit 60 ... shield ring

61 ... corresponding connection 62 ... flange

70 ... Connection terminal 71 ... Terminal connection

73.Terminal head 75.Terminal high government

80 ... shield shell 90 ... housing assembly

91.Terminal storage 92.Shield shell storage

The present invention relates to a shield connector, and more particularly, to a means for connecting between a shield cable and a shield electrode and connecting the shield cable and the shield shell, and a shield connector having the same.

Recently, a large number of electronic components or sensors have been used for automotive electronics. Electrical signals are generated simultaneously by multiple electronic components or sensors. The signals generated in this way are transmitted to a control device or a driving device through a plurality of signal lines. In this process, electromagnetic waves generated by electrical signals may be irregularly generated. If such electromagnetic waves are transmitted directly or indirectly to a signal line or an electronic device, the electronic device may malfunction and put the driver at risk.

In order to prevent this, a shield cable is generally used for a harness of an automobile, and the shield cable includes a core wire made of a conductor, an inner shell surrounding the core wire, a shielding layer formed by wrapping a braided wire outside the inner shell, and an outer portion of the shielding layer. It is provided with a shell formed on.

Shielded cables are difficult to connect directly with electrical equipment or other types of cables. For this reason, it is common to select and use an appropriate connector for connecting the shielded cable to an electrical device or a cable of a different type in consideration of workability and space.

1 is a view showing a shield shell connecting means and a shield shell according to the prior art.

Referring to FIG. 1, the shield cable 10 includes a core 11, an endothelial 12, a shielding layer 13, and an outer sheath 14. The shield shell connecting means 20 is a ring surrounding the shielding layer 13 of the shield cable 10, and has a projection 21 on its outer circumferential surface. On the other hand, the shield electrode 30 is provided with a corresponding connecting member 31 surrounding the shield shell connecting means 20, the corresponding connecting member 31 is provided with a groove 32 that can accommodate the projection (21). .

The shielding layer 13 of the shield cable 10 is inserted into the shield shell connecting means 20. The shield shell connecting means 20 is inserted into and fixed to the corresponding connecting member 31 of the shield electrode 30. At this time, the protrusion 21 formed in the shield shell connecting means 20 is received and fixed in the groove 32 of the corresponding connection member 31.

The shielding layer 13 of the shield cable 10 and the shield electrode 30 are electrically connected to block the electromagnetic waves generated from the outside so as not to affect the main connection terminal (not shown) connected to the inner core 11. do.

When the shielding layer 13 of the shielded cable 10 and the shield electrode 30 are connected by using the shielded shell connecting means 20 described above, the shielded layer 13 of the shielded cable 10 is connected to the shielded shell connecting means ( 20) Not easy to insert

In addition, since the shielding shell connecting means 20 is not directly caulked or crimped to the shielding layer 13 of the shielded cable 10, the shielding shell connection means 20 between the shielded layer 13 and the shield electrode 30 of the shielded cable 10 is prevented. The connection force is lowered.

The present invention is to solve the above problems, and can be easily mounted on the shield cable, the shield shell connecting means and the shield connector having the same that can improve the connection reliability between the shield layer and the shield shell of the shield cable The purpose is to provide.

Shield shell connecting means according to an aspect of the present invention to achieve the above object in the connecting means for electrically coupling the shielding layer provided in the shield cable to the shield shell of the shield connector, at least the shield cable is to pass through A connection member provided with a hollow portion, the portion of which is in direct contact with the shielding layer exposed to the outside, and the other portion of which is fixedly mounted to the outer shell; And a shield ring surrounding a portion to be fixedly mounted to the outer cover of the connection member, and having a flange at one end thereof.

The connecting member includes a flat head for providing a hole having a size corresponding to the outer diameter of the inner shell of the shield cable; A shielding layer contact portion whose outer surface is continuously connected from the outer circumferential surface of the head, forms a hollow communicating with the hole therein, and a portion of which is elastically deformed toward the center of the inner space; And a fixing part continuously connected from the shielding layer contact part and communicating therewith with the hollow of the shielding layer contact part to provide an inner space of a size that can accommodate the shield cable.

The connection member may provide at least one or more slits connected in the longitudinal direction from the shielding layer contact portion to the fixing portion.

The shield ring has a hollow for accommodating a portion fixedly mounted to the outer shell of the connecting member, the corresponding connection portion is crimped connected to the portion fixedly mounted to the outer shell of the connecting member; And a flange portion continuously extending from the corresponding connection portion.

Shield connector according to another aspect of the present invention is a connection terminal connected to the core wire of the shielded cable exposed to the outside; A connection member providing a hollow through which at least the shield cable can pass, a portion of which is in direct contact with the shielding layer of the shield cable exposed to the outside, and the other of which is fixedly mounted to the outer shell; A shield ring surrounding a portion fixedly mounted to an outer surface of the connection member and having a flange at one end; A cylindrical shell, the shield shell having a hollow therein and receiving the flange therein and having an inner diameter of a size corresponding to the outer diameter of the flange; And an assembly housing configured to provide an inner space for accommodating the shield cable and the shield shell in which the connection terminal is mounted at one end.

The connecting member includes a flat head for providing a hole having a size corresponding to the outer diameter of the inner shell of the shield cable; A shielding layer contact portion whose outer surface is continuously connected from the outer circumferential surface of the head, forms a hollow communicating with the hole therein, and a portion of which is elastically deformed toward the center of the inner space; And a fixing part continuously connected from the shielding layer contact part and communicating therewith with the hollow of the shielding layer contact part to provide an inner space of a size that can accommodate the shield cable.

The shielding layer contacting portion and the fixing portion are provided with at least one slit connected in the longitudinal direction from the shielding layer contacting portion to the fixing portion.

The connecting member provides at least one or more slits connected in the longitudinal direction.

The shield ring has a hollow for accommodating a portion fixedly mounted to the outer shell of the connecting member, the corresponding connection portion is crimped connected to the portion fixedly mounted to the outer shell of the connecting member; And a flange portion extending continuously from the corresponding connection portion.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

2 is an exploded perspective view of a shield shell connecting means connected to a shield cable according to a preferred embodiment of the present invention, and FIG. 3 is a perspective view of a shield shell connecting means mounted to a shield cable according to a preferred embodiment of the present invention.

Referring to the drawings, the shield shell connecting means according to the present invention includes a connecting member 50 and the shield shield ring 60.

The connecting member 50 is a means for connecting the shielding layer 13 and the shield ring 60 of the shielded cable 10 to provide a space for accommodating at least the shielding layer 13 of the shielded cable therein. do. In detail, the connecting member 50 includes a head 51, a shielding layer contact portion 52, and a fixing portion 53. The head 51 is formed of a circular plate provided with a hole in the center, wherein the hole diameter is provided in a size corresponding to the outer diameter of the endothelial 12 so that the endothelial 12 can penetrate. The shielding layer contact portion 52 is continuously formed from the outer circumferential surface of the head 51, and provides a space for accommodating the shielding layer 13 of the shield cable therein. In addition, a portion of the shielding layer contact portion 52 is elastically deformed to the outer circumferential surface of the shielding layer 13 accommodated therein. The fixing portion 53 is formed in a cylinder shape and extends from the shielding layer contact portion 52, and the hollow inner diameter provided therein is provided to have a size corresponding to the outer diameter of the outer shell 14. Accordingly, when the connecting member 50 is mounted on the shield cable 10, the shielding layer contact portion 52 is located outside the shielding layer 13, and the inner surface of the shielding layer contact portion 52 is shielded layer 13. It is in close contact with the outer surface, the fixing portion 53 is located outside the outer shell 14 so that the inner surface of the fixing portion 53 is in close contact with the outer surface of the outer shell 14.

Although the head 51 is illustrated as being made of a circular plate in the embodiment of the present invention, the present invention is not limited thereto, and the head 51 has a shielding layer contact portion elastically deformed along the outer circumferential surface of the shielding layer 13. 52) is sufficient to support the form.

Preferably, the connection member 50 may be provided with at least one or more slits 54 in the longitudinal direction which are continuously formed from the shielding layer contact portion 52 to the fixing portion 53. As a result, the size of the hollows formed in the shielding layer contact portion 52 and the fixing portion 53 may be temporarily deformed by an external force. Therefore, when attaching the shield ring 60 to the shield cable 10, it is possible to mount more easily.

The shield ring 60 is a member for connecting the connecting member 50 and the shield shell, and the corresponding connecting portion 61 and one of the corresponding connecting portions 61 connected to the fixing portion 53 of the connecting member 50. And a flange portion 62 connected to the end. A hollow having an inner diameter of a size corresponding to the outer diameter of the fixing portion 53 is formed in the corresponding connecting portion 61 so that the fixing portion 53 of the connecting member 50 can be accommodated. The flange portion 62 is configured in a form corresponding to the inner surface of the shield electrode to be in close contact with the inner surface of the shield shell. For example, when a circular hollow is formed in the shield shell, the outer surface of the flange portion 62 may have a cylinder shape having an outer diameter corresponding to the diameter of the circular hollow formed in the shield shell.

Hereinafter, a process of connecting the shield shell connecting means 50 and 60 to the shield cable 10 will be described with reference to the aforementioned components.

First, a portion of the core wire 11, the inner skin 12, and the shielding layer 13 of the shielded cable 10 are exposed to the outside.

Then, an external force is applied to the connecting member 50 to temporarily deform the size of the hollow, and insert the shield cable 10 into the deformed hollow. In this case, the shielding layer 13 is positioned in the hollow provided in the shielding layer contact portion 52, and the outer skin 14 is adjusted to be located in the hollow provided in the fixing part 53.

Next, the shield ring 60 is coupled to the connection member 50 mounted on the shield cable 10. Specifically, the outer surface of the corresponding connecting portion 61 is pressed in a state where the corresponding connecting portion 61 of the shield ring 60 is positioned to surround the outer surface of the fixing portion 53 of the connecting member 50.

Through the above process, the shielding layer contact portion 52 is in close contact with the shielding layer 13, and the fixing portion 53 connected to the shielding layer contact portion 52 is connected to the corresponding connection portion 61 of the shield ring 60. It is closely connected. As a result, the shield shell connecting means 50 and 60 coupled to the shield cable 10 are coupled between the shield layer 13 and the shield shell of the shield cable 10, thereby electrically connecting the shield layer 13 and the shield shell. Can be kept stable.

4 is a cross-sectional view showing a cross section of the shield connector coupled to the shield cable according to another embodiment of the present invention. Referring to FIG. 4, the shield connector according to the present invention includes a connection terminal 70, a shield shell 80, a housing assembly 90, and the shield shell connection members 50 and 60 described above.

The connection terminal 70 is a thin conductive plate that has been cut and provided at one end thereof with a terminal connection portion 71 connected to the center line 11 of the shielded cable exposed to the outside, and at the other end thereof, a terminal of an external electronic device. Or a terminal head 73 to which a center line (or a connection terminal connected to the center line) of another cable can be connected. Here, the terminal head 73 may be a terminal head for receiving a terminal of an external electronic device or a center line (or a connection terminal connected to the center line) of another cable.

However, in the embodiment of the present invention, the connection terminal 70 has exemplified a female connection terminal in which the terminal head 73 is formed in a form that can accommodate the center line of the terminal or other cable of the external electronic device. However, the present invention is not limited thereto, and a male connection terminal may be adopted in which the terminal head 73 is inserted into and fixed to the female connection terminal.

Also, preferably, the connection terminal 70 may further include a terminal fixing part 75. The terminal fixing portion 75 is made of a thin conductive plate cut like the terminal connecting portion 71, and is provided in the opposite direction in which the terminal head 73 is provided based on the terminal connecting portion 71.

The shield shell 80 is a cylindrical conductive material, and has a hollow sized to accommodate the shield cable 10 having the shield shell connecting members 50 and 60 coupled therein. At this time, the hollow inner diameter is preferably provided with a size corresponding to the outer diameter of the flange portion 61 of the shield ring (60).

The housing assembly 90 includes a terminal housing 91 for accommodating and fixing the connection terminal 70, and a shield shell housing 92 for accommodating and fixing the shield shell 80. The terminal housing portion 91 and the shield shell storage portion 92 each provide a predetermined space therein, and the respective spaces provided in the terminal storage portion 91 and the shield shell storage portion 92 are connected to each other. The terminal accommodating part 91 has a form corresponding to the external shape of the terminal head 73 and is provided at a size large enough to accommodate and fix the terminal head 73 of the connection terminal 70. In addition, the terminal housing portion 91 has a hole 93 that can communicate with the outside at its end (an end in the opposite direction in which an opening connected with the shield shell storage portion 92 is formed).

Hereinafter, a process of connecting the shield connectors 50, 60, 70, 80, and 90 to the shield cable 10 will be described with reference to the aforementioned components.

First, a portion of the core wire 11, the inner skin 12, and the shielding layer 13 of the shielded cable 10 are exposed to the outside. Then, the terminal connecting portion 71 is positioned on the center line 11 of the shielded cable and the terminal fixing portion 75 is placed on the inner shell 12, and then the terminal connecting portion 71 and the terminal fixing portion 75 are clamped, respectively. .

Next, an external force is applied to the connecting member 50 to temporarily deform the size of the hollow, and insert the shield cable 10 into the deformed hollow. In this case, the shielding layer 13 is positioned in the hollow provided in the shielding layer contact portion 52, and the outer skin 14 is adjusted to be located in the hollow provided in the fixing part 53. Then, the shield ring 60 is coupled to the connection member 50 mounted on the shield cable 10. Specifically, the outer surface of the corresponding connecting portion 61 is pressed in a state where the corresponding connecting portion 61 of the shield ring 60 is positioned to surround the outer surface of the fixing portion 53 of the connecting member 50.

Then, the shield shell 80 is mounted on the shield cable 10 to which the connection terminal 70, the connection member 50, and the shield ring 60 are coupled.

Finally, the shield cable 10 is coupled to the housing assembly 90 so that the connection terminal 70 is positioned in the space in which the connection terminal 70 is formed inside the terminal housing 91 and the shield shell 80 is shielded. It is fixed to be located in the space formed inside the shell housing (92).

Through the above process, it is possible to easily combine the shield cable with the terminal or the other cable of the electrical device by using the shield connector of the present invention made of a relatively simple component.

Although the present invention has been described above by means of limited embodiments and drawings, the present invention is not limited thereto and will be described below by the person skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of the claims.

According to the present invention, the shield cable can be easily attached to the shield connector, and the work time for connecting the shield cable and the shield connector can be reduced.

In addition, by using the shield connector of the present invention to improve the contact reliability between the shield cable and the shield shell, it is possible to effectively block the noise flowing from the outside.

Claims (9)

In the connecting means for electrically coupling the shielding layer provided on the shield cable to the shield shell of the shield connector, A connection member providing a hollow through which at least the shield cable can pass, a portion of which is in direct contact with the shielding layer exposed to the outside, and the other of which is fixedly mounted to the outer shell; And Shield shell connecting means comprising a; surrounding the part fixedly mounted to the outer shell of the connection member, the shield ring having a flange at one end. The method of claim 1, The connecting member, A flat head for providing a hole having a size corresponding to an outer diameter of the inner shell of the shielded cable; A shielding layer contact portion whose outer surface is continuously connected from the outer circumferential surface of the head, forms a hollow communicating with the hole therein, and a portion of which is elastically deformed toward the center of the inner space; And A shielding part connected to the shielding layer contact part continuously, the fixing part communicating with the hollow of the shielding layer contact part therein and providing an inner space of a size that can accommodate the shield cable; Way. The method of claim 2, The connecting member, And at least one slit connected longitudinally from the shielding layer contact portion to the fixed portion. The method according to claim 1 or 2, The shield ring, A corresponding connection part having a hollow for accommodating a part to be fixedly mounted to an outer shell of the connection member, and a crimp connection part connected to the part fixedly mounted to the outer part of the connecting member to be crimped; And And a flange portion extending continuously from the corresponding connection portion. A connection terminal connected to the core wire of the shielded cable exposed to the outside; A connection member providing a hollow through which at least the shield cable can pass, a portion of which is in direct contact with the shielding layer of the shield cable exposed to the outside, and the other of which is fixedly mounted to the outer shell; And A shield ring surrounding a portion fixedly mounted to an outer surface of the connection member and having a flange at one end; A cylindrical shell, the shield shell having a hollow therein and receiving the flange therein and having an inner diameter of a size corresponding to the outer diameter of the flange; And And a housing for providing an inner space for accommodating the shield cable and the shield shell in which the connection terminal is mounted at one end thereof. The method of claim 5, The connecting member, A flat head for providing a hole having a size corresponding to an outer diameter of the inner shell of the shielded cable; A shielding layer contact portion whose outer surface is continuously connected from the outer circumferential surface of the head, forms a hollow communicating with the hole therein, and a portion of which is elastically deformed toward the center of the inner space; And And a fixing part connected to the shielding layer contact part continuously, the fixing part communicating with the hollow of the shielding layer contact part and providing an inner space of a size that can accommodate the shield cable. The method of claim 6, The shielding layer contact portion and the fixing portion, And at least one slit connected longitudinally from said shielding layer contact portion to said fixed portion. The method of claim 5, The connecting member, Shield connector, characterized in that to provide at least one or more slits connected in the longitudinal direction. The method according to claim 5 or 6, The shield ring, A corresponding connection part having a hollow for accommodating a part to be fixedly mounted to an outer shell of the connection member, and a crimp connection part connected to the part fixedly mounted to the outer part of the connecting member to be crimped; And And a flange portion extending continuously from the corresponding connection portion.

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