The present invention relates generally to interfaces for coaxial cable connections. More particularly, the present invention relates to an interface for a connector (for example, an axially compressible connector, for a coaxial cable) and an adapter that provides a secure ground connection while also providing a simple push/pull connection.
Coaxial cables are commonly used in the cable television industry to carry cable TV signals to television sets in homes, businesses, and other locations.
Exemplary flexible coaxial cables include a solid wire core or inner conductor, typically of copper or copper-clad aluminum, surrounded by a flexible tubular outer conductor. The outer conductor is also usually made of woven copper or aluminum. Dielectric material or insulation separates the inner and outer conductors. The outer conductor is covered with a cable jacket or sheath of plastic to provide protection against corrosion and weathering.
The ability of a connector to make a solid mechanical connection and solid electrical connections to an adapter is required to achieve long term performance as well as facilitate proper signal transmission through the interface with minimal loss or disruption of the signal. Threaded interfaces that include swivel cable connectors on either the connector or the adapter have been employed to provide a way to connect a cable to an interface port or other device without introducing a twist into the cable.
It may be desirable to provide an interface that overcomes one or more of the aforementioned disadvantages of other interfaces. That is, it may be desirable to provide an interface having strong mechanical and electrical connections that also makes these connections in a way that is easy for a non-technician user to achieve. It may also be desirable to provide a structure that reduces radio frequency leakage from the inner conductor and/or reduces radio frequency noise reaching the inner conductor.
Embodiments of the disclosure include biasing members that may be configured to provide axial and radial biasing forces so as to provide a secure ground connection between a connector portion and an adapter portion and such that a push/pull connection between the connector portion and the adapter portion that is operable by a non-technician user is permitted.
Embodiments of the disclosure include a biasing portion that may be configured to prevent a direct, line of sight path through a space in the biasing portion from an outside of the biasing portion to a longitudinal centerline of the biasing portion so as to prevent a direct path through the spaces for radio-frequency signals from outside the connector assembly to a center conductor of a cable connected by the connector assembly such that radio-frequency noise received by the center conductor is reduced.
The present disclosure provides cable connector assembly that may include: a connector portion that may comprise a compression member that may have a rearward cable receiving end and a forward end opposite the rearward end, a first body portion that may have a rearward end and a forward end opposite the rearward end, the rearward end may be configured to be coupled with the forward end of the compression member, a second body portion that may have a rearward end and a forward end, the rearward end may be configured to be coupled with the forward end of the first body portion, and an outer conductor engager that may be supported within the first body portion and the second body portion, the outer conductor engager having a rearward end portion; an adapter portion that may have an adapter body portion, a coupling portion that may be configured to connect the adapter body portion to a device; a biasing portion that may be configured to be received in the adapter body portion and that may be configured to be coupled with the second body portion of the connector portion. The biasing portion may comprise a plurality of biasing members; the biasing members may be configured to be separated by spaces that may be configured to allow the biasing members to elastically deform radially inwardly; the second body portion may comprise an adapter receiving portion that may be configured to receive the biasing members; the biasing members may be configured to exert a biasing force axially against the adapter receiving portion so as to bias the biasing portion toward the rearward end of the second body portion; the biasing force may be configured to resist an external separating force for separating the adapter portion from the connector portion; the biasing members may be configured to exert a radial biasing force outwardly against the second body portion; and the biasing members may be configured to provide the axial and radial biasing forces to provide a secure ground connection between the connector portion and the adapter portion and allow a push/pull connection between the connector portion and the adapter portion.
In embodiments, the cable receiving end may comprise a cable receiving opening configured to receive a coaxial cable.
Embodiments further comprise an engagement surface on the adapter body portion, the engagement surface may be configured to receive a tool for connecting the adapter body portion to the device.
Embodiments further comprise a center conductor receiving portion that may be configured to be received in the biasing portion and the adapter body portion, may be configured to receive a center conductor of a coaxial cable at a forward end of the adapter portion, may be configured to receive a second conductor from a rearward end of the adapter portion, and may be configured to electrically connect the center conductor of the coaxial cable and the second conductor.
In embodiments, the biasing members may extend from a forward end of the adapter portion.
In embodiments, the second body portion may comprise an interior surface and a ramp portion that may be configured to extend radially inward from the interior surface toward a center axis of the connector portion.
In embodiments, the adapter receiving portion may be configured adjacent to the ramp portion on a rearward side of the ramp portion.
In embodiments, the adapter receiving portion may be located a greater distance from the central axis of the connector than is an inward most portion of the ramp portion, and the ramp portion may be configured to form a lip portion that may extend radially inward relative to the adapter receiving portion.
In embodiments, each of the biasing members may comprise an engagement portion that is an outermost portion of the biasing member.
In embodiments, the engagement portion may be configured to contact the adapter receiving area and may be configured to apply the radial biasing force on the adapter receiving portion.
In embodiments, the biasing member may be configured to contact the ramp portion and may be configured to apply the axial biasing force to the ramp portion.
In embodiments, the biasing members may be configured to prevent a direct, line of sight path through the spaces between an outside of the biasing portion to a longitudinal centerline of the biasing portion.
The present disclosure provides a cable connector assembly that may include: a connector portion that may comprise a compression portion, a first body portion that may be configured to be coupled to the compression portion; a second body portion that may be configured to be coupled to the first body portion; an adapter portion that may include an adapter body portion; a biasing portion that may be configured to be received in the adapter body portion. The biasing portion may be configured to be coupled to the second body portion; the biasing portion may be configured to elastically deform radially inward; the second body portion may comprise an adapter receiving portion that may be configured to receive the biasing portion; the biasing portion may be configured to exert an axial biasing force against the adapter receiving portion; the biasing portion may be configured to exert a radial biasing force outwardly against the second body portion; and the biasing portion may be configured to provide the axial and radial biasing forces to provide a secure ground connection between the connector portion and the adapter portion and allow a push/pull connection between the connector portion and the adapter portion.
In embodiments, the adapter portion may comprise a coupling portion that may be configured to connect the adapter body portion to a device.
In embodiments, the axial biasing force may be configured to bias the biasing portion toward a rearward end of the second body portion.
In embodiments, the axial biasing force may be configured to resist an external separating force, the external separating force being for separating the adapter portion from the connector portion.
In embodiments, the second body portion may comprise an interior surface and a ramp portion that may be configured to extend radially inward from the interior surface toward a center axis of the connector portion.
In embodiments, the adapter receiving portion may be configured adjacent to the ramp portion on a rearward side of the ramp portion.
In embodiments, the biasing portion may comprise an engagement portion that is an outermost portion of the biasing portion.
In embodiments, the engagement portion may be configured to contact the adapter receiving portion and may be configured to apply the radial biasing force on the adapter receiving portion.
In embodiments, the biasing portion may be configured to contact the ramp portion and may be configured to apply the axial biasing force to the ramp portion.
In embodiments, the biasing portion may be configured to prevent a direct, line of sight path through spaces in the biasing portion between an outside of the biasing portion to a longitudinal centerline of the biasing portion.
In embodiments, the biasing portion may comprise a plurality of biasing members, and the biasing members may be configured to be separated by spaces that may be configured to allow the biasing members to elastically deform radially inward.
The present disclosure provides cable connector assembly that may include: a connector portion that may comprise a first body portion and a second body portion that may be configured to be coupled to the first body portion; and an adapter portion that may comprise a biasing portion. The biasing portion may be configured to be coupled to the second body portion; the biasing portion may be configured to allow the biasing portion to elastically deform radially; the biasing portion may be configured to exert a first biasing force against the second body portion; the biasing portion may be configured to exert a second biasing force against the second body portion; and the biasing portion may be configured to provide a secure ground connection between the connector portion and the adapter portion and allow a push/pull connection between the connector portion and the adapter portion.
In embodiments, the second body portion may comprise an adapter receiving portion configured to receive the biasing portion.
In embodiments, the first biasing force may be configured to resist an external separating force, the external separating force being for separating the adapter portion from the connector portion.
In embodiments, the second body portion may comprise an interior surface and a ramp portion that may be configured to extend radially inward from the interior surface toward a center axis of the connector portion.
In embodiments, the second body portion may comprise an adapter receiving portion that may be configured to receive the biasing portion, and the adapter receiving portion may be configured adjacent to the ramp portion on a rearward side of the ramp portion.
In embodiments, the second biasing force is a radial force, the biasing portion may comprise an engagement portion that is an outermost portion of the biasing portion, and the engagement portion may be configured to contact the adapter receiving portion and may be configured to apply the radial biasing force on the adapter receiving portion.
In embodiments, the second biasing force is an axial biasing force, and the biasing portion may be configured to contact the ramp portion and may be configured to apply the axial biasing force to the ramp portion.
In embodiments, the biasing portion may comprise a space, and the biasing portion may be configured to prevent a direct, line of sight path through the space between an outside of the biasing portion to a longitudinal centerline of the biasing portion.
In embodiments, the biasing portion may comprise a plurality of biasing members.
In embodiments, the biasing portion may comprise spaces between the biasing members to allow the biasing members to elastically deform radially.
In embodiments, the biasing portion may be configured to allow the biasing portion to elastically deform radially inwardly.
In embodiments, the biasing portion may be configured to exert an axial biasing force axially against the second body portion.
In embodiments, the biasing portion may be configured to exert an outward radial biasing force radially against the second body portion.
The present disclosure provides a cable connector assembly that may include: a connector portion that may comprise a first body portion and a second body portion that may be configured to be coupled to the first body portion; and an adapter portion that may comprise a biasing portion. The biasing portion may be configured to be coupled to the second body portion; the biasing portion may be configured to elastically deform radially inwardly; and the biasing portion may be configured to prevent a direct, line of sight path through a space in the biasing portion from an outside of the biasing portion to a longitudinal centerline of the biasing portion so as to prevent a direct path through the spaces for radio-frequency signals from outside the connector assembly to a center conductor of a cable connected by the connector assembly so as to reduce radio-frequency noise received by the center conductor.
In embodiments, the biasing portion may comprise a plurality of biasing members that may be configured to exert an axial biasing force axially against the second body portion, and the biasing members may be configured to exert an outward radial biasing force against the second body portion.
In embodiments, the axial and radial biasing forces may provide a secure ground connection between the connector portion and the adapter portion and allow a push/pull connection between the connector portion and the adapter portion.
In embodiments, the space may comprise a plurality of spaces, and a first space of the spaces may intersect a second space of the spaces.
In embodiments, the space may comprise a plurality of spaces, and a first space of the spaces may be parallel to a second space of the spaces.
In embodiments, a first biasing member of the biasing members may be configured to have a first shape, a second biasing member of the biasing members may be configured to have a second shape, and the first shape and second shape are different shapes.
Various aspects of the coaxial connector, as well as other embodiments, objects, features and advantages of this disclosure, will be apparent from the following detailed description of illustrative embodiments thereof, which is to be read in conjunction with the accompanying drawings.
Embodiments of the disclosure include biasing members that may be configured to provide axial and radial biasing forces so as to provide a secure ground connection between a connector portion and an adapter portion and such that a push/pull connection between the connector portion and the adapter portion that is operable by a non-technician user is permitted.
Embodiments of the disclosure include a biasing portion that may be configured to prevent a direct, line of sight path through a space in the biasing portion from an outside of the biasing portion to a longitudinal centerline of the biasing portion so as to prevent a direct path through the spaces for radio-frequency signals from outside the connector assembly to a center conductor of a cable connected by the connector assembly such that radio-frequency noise received by the center conductor is reduced.
As shown in
The connector 300 includes a plurality of components generally having a coaxial configuration about an axis defined by the center conductor 12 of the coaxial cable 10. A second body portion, for example, a nose portion, 306 receives an outer conductor engager, for example, a post, 312 in an axial bore from a rearward direction which is opposite to the adapter 200. The nose portion 306 is an electrically conductive material such as aluminum, brass, or the like. The post 312 is an electrically conductive material such as aluminum, brass, or the like and has a cylindrical portion 314 that extends in the rearward direction and includes an axial bore. The post 312 has a flange 336 that is configured to engage the inner wall of the nose portion 306. The flange 336 provides additional surface area of electrical contact with the nose portion 306. The cylindrical portion 314 extends rearward from the flange 336. A first body portion, for example, an outer body, 304 is coupled with the post 312. When the coaxial cable 10 is inserted into connector 300, the cylindrical portion 314 penetrates the coaxial cable 10 between the dielectric 14 and the outer conductor or shield 18. In an assembled state, the cylindrical portion 314 forms an electrically conductive connection with the outer conductor or shield 18.
The outer body 304 extends partially into the nose portion 306 and is limited in movement relative to the nose portion 306 in the axial direction. In embodiments, a knurled or other engaging interface exists between the outer body 304 and the post 312 to prevent the post 312 from rotating relative to the outer body 304.
The compression ring 302 extends axially partially onto the outer body 304. During connection of the coaxial cable 10 to the connector 300, the coaxial cable 10 is inserted into the opening 301 in the compression ring 302 and into contact with the post 312. The leading edge of the cylindrical portion 314 separates the outer conductor or shield 18 from the dielectric 14. In the assembled state, the center conductor 12 extends into a receiving opening 320 in the nose portion 306. The receiving opening 320 is configured to receive the biasing portion 260 of the adapter 200. In the assembled state of the connector 300, an electrically conductive path is formed from the outer conductor or shield 18 through the post 312 and the nose portion 306.
The adapter 200 has a main body 210 that includes an engagement surface 210 that, in this example, is a hex surface 212. The engagement surface 212 is configured to receive a tool, or a user's fingers, to facilitate rotation of the main body 210. In this example, the main body 210 includes a threaded portion 211 that is configured to engage a threaded portion of a device to which the adapter 200 is to be coupled. The rotation of the main body 210 can facilitate connection of the adapter 200 to the connector 300, as well as engage the threaded portion 211 with a threaded portion of the device.
The adapter 200 has a biasing body 250 that is received in the main body 210. In embodiments, the biasing body 250 is press fit into the main body 210. The biasing body 250 has a biasing portion 260 that exerts both a radial biasing force and an axial biasing force on the nose portion 306 of the connector 300. In this example, the biasing portion 260 is configured as a plurality of biasing members 262 that extend radially from a forward end of the biasing body 250. The biasing members 262 are separated from each other by spaces 264 that allow the biasing members 262 to bend radially inward toward a central axis of the adapter 200. As shown in
The biasing body 250 being a separate piece from the main body 210 allows assembly of the forward dielectric 253 inside the biasing body 250, the rearward dielectric 213 inside the main body 210, and the center conductor connector 218 inside both the forward dielectric 253 and the rearward dielectric 213.
The center conductor connector 218 has at its forward end a center conductor receiving portion 254 (such as, for example, a milmax connector) configured to receive and make an electrically conductive connection with the center conductor 12 of the coaxial cable 10. The center conductor receiving portion 254 has a constricted portion 252 that is configured to press radially inwardly against the center conductor 12 of the coaxial cable 10 to form a secure mechanical and electrical connection with the center conductor 12. In an assembled state, the center conductor 12 extends into the constricted portion 252 of the center conductor receiving portion 254. The center conductor connector 218 has at its rearward end a second conductor receiving portion 214 (such as, for example, a milmax connector) configured to receive and make an electrically conductive connection with a conductor (“second conductor”) of the device to which the adapter 200 is to be connected. The second conductor receiving portion 214 has a constricted portion 216 that is configured to press radially inwardly against the second conductor to form a secure mechanical and electrical connection with the second conductor. In an assembled state, the second conductor extends into the constricted portion 216 of the second conductor receiving portion 214.
As shown in
The described embodiments provide various advantages including a simple and reliable push/pull connection that provides a secure conductivity path from the outer conductor of the coaxial cable 10 to the adapter 200.
As shown in
The adapter 1200 has a main body 1210 that includes an engagement surface 1212 that, in this example, is a hex surface 1212. The engagement surface 1212 is configured to receive a tool, or a user's fingers, to facilitate rotation of the main body 1210. In this example, the main body 1210 includes a threaded portion 1211 that is configured to engage a threaded portion of a device to which the adapter 1200 is to be coupled. The rotation of the main body 1210 can facilitate connection of the adapter 1200 to the connector 300, as well as engage the threaded portion 1211 with a threaded portion of the device.
The adapter 1200 has a biasing body 1250 that is received in the main body 1210. In embodiments, the biasing body 1250 is press fit into the main body 1210. The biasing body 1250 has a biasing portion 1260 that exerts both a radial biasing force and an axial biasing force on the nose portion 306 of the connector 300. In this example, the biasing portion 1260 is configured as a plurality of biasing members 1262, 1264 that extend from a forward end of the biasing body 1250. The biasing members 1262, 1264 are separated from each other by spaces 1266, 1268 that allow the biasing members 1262, 1264 to bend inward toward a central axis of the adapter 1200. As shown in
The biasing body 1250 being a separate piece from the main body 1210 allows assembly of the forward dielectric 1253 inside the biasing body 1250, the rearward dielectric 1213 inside the main body 1210, and the center conductor connector 1218 inside both the forward dielectric 1253 and the rearward dielectric 1213.
The center conductor connector 1218 has at its forward end a center conductor receiving portion 1254 (such as, for example, a milmax connector) configured to receive and make an electrically conductive connection with the center conductor 12 of the coaxial cable 10. The center conductor receiving portion 1254 has a constricted portion 1252 that is configured to press radially inwardly against the center conductor 12 of the coaxial cable 10 to form a secure mechanical and electrical connection with the center conductor 12. In an assembled state, the center conductor 12 extends into the constricted portion 1252 of the center conductor receiving portion 1254. The center conductor connector 1218 has at its rearward end a second conductor receiving portion 1214 (such as, for example, a milmax connector) configured to receive and make an electrically conductive connection with a conductor (“second conductor”) of the device to which the adapter 1200 is to be connected. The second conductor receiving portion 1214 has a constricted portion 1216 that is configured to press radially inwardly against the second conductor to form a secure mechanical and electrical connection with the second conductor. In an assembled state, the second conductor extends into the constricted portion 1216 of the second conductor receiving portion 1214.
As shown in
Embodiments of the disclosure use configurations of the biasing body 1250 that prevent direct, line of sight paths from outside the biasing body 1250 to the center conductor 12 of the coaxial cable 10. An example of a configuration of a biasing body 400 is shown in
By configuring the biasing body 1250 (as shown, for example, in
The described embodiments provide various advantages including a simple and reliable push/pull connection that provides a secure conductivity path from the outer conductor of the coaxial cable 10 to the adapter 1200, while minimizing radio frequency ingress and egress.
Although the illustrative embodiments of the present invention have been described herein with reference to the accompanying drawings, it is to be understood that the invention is not limited to those precise embodiments, and that various other changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention.
Various changes to the foregoing described and shown structures will now be evident to those skilled in the art. Accordingly, the particularly disclosed scope of the invention is set forth in the following claims.
This application claims the benefit of U.S. Provisional Application No. 63/367,137, which was filed on Jun. 28, 2022, and U.S. Provisional Application No. 63/356,096, which was filed on Jun. 28, 2022, the disclosures of which are hereby incorporated by reference herein in their entirety.
Number | Date | Country | |
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63367137 | Jun 2022 | US | |
63356096 | Jun 2022 | US |