CN218770190U

CN218770190U - Coaxial cable connector

Info

Publication number: CN218770190U
Application number: CN202220607625.4U
Authority: CN
Inventors: 黄凯威
Original assignee: EZconn Corp
Current assignee: EZconn Corp
Priority date: 2022-01-21
Filing date: 2022-03-21
Publication date: 2023-03-28
Anticipated expiration: 2032-03-21
Also published as: TW202332146A; CN116505312A

Abstract

The utility model provides a coaxial cable connector contains inner skleeve, first outer sleeve, nut cover and the outer sleeve of second. The outer surface of the inner sleeve is in a step shape and surrounds an axis, and the inner sleeve comprises a first surface and a second surface. The head of the first outer sleeve surrounds the first surface of the inner sleeve. An inner flange of the nut sleeve surrounds the second surface of the inner sleeve, the inner flange having an angled surface disposed at an angle to the axis. The second outer sleeve is sleeved at the tail part of the first outer sleeve. When the second outer sleeve moves axially towards the nut sleeve, the inner circumferential surface of the second outer sleeve pushes the tail part of the first outer sleeve to be close to and contracted towards the axis line, so that a more satisfactory product is provided for a user.

Description

Coaxial cable connector

Technical Field

The present invention relates to a coaxial cable connector, and more particularly, to a coaxial cable connector with good electrical connectivity.

Background

At present, cable television is the mainstream of television reception. The signal of the cable television is connected to the receiving television by Coaxial cable (Coaxial cable). The coaxial Cable is connected with Cable TV decoders (Cable TV decoders), digital hard disk recorders (hard disk digital recorders) of cassette video cassette recorders/digital video disks (VCR/DVD), satellite receivers (satellite receivers), video games (video games), TV signal distribution splitters (TV signal distribution splitters) and switches (switches) by rotary F-on F-Type connectors.

The conventional rotary F-type connector often has poor electrical grounding connection because when the nut of the F-type connector is coupled with the threaded interface connector of the equipment, the nut is not completely contacted with the inner sleeve of the F-type connector and the inner sleeve is not contacted with the threaded interface connector, and the poor contact causes the poor grounding of the F-type connector body and the threaded interface, so that the electrical signal transmission performance is reduced and the contact therebetween is poor. In addition, when a user pulls the coaxial cable of the coaxial cable connector, the coaxial cable is easily loosened, and the signal transmission is unstable, so how to improve the above problems to provide a more satisfactory product for the user is an important problem to be solved.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is an object of the present invention to provide a coaxial cable connector that can overcome at least one of the disadvantages of the prior art.

Accordingly, the present invention is directed to a coaxial cable connector adapted to engage a terminal of an electronic device having a threaded surface. The coaxial cable connector includes:

the inner sleeve surrounds an axis, and the outer surface of the inner sleeve is in a step shape and comprises a first surface and a second surface;

a first outer sleeve coaxially disposed outside the inner sleeve and including a head portion and a tail portion, the head portion surrounding the first surface of the inner sleeve;

the nut sleeve is sleeved on the inner sleeve and comprises a threaded part and an inner flange, the threaded part is used for being jointed with the threaded surface of the electronic device, and an inclined surface of the inner flange is arranged at an angle with the axis; and

and the second outer sleeve is sleeved on the tail part of the first outer sleeve, wherein when the second outer sleeve axially moves towards the nut sleeve, the inner circumferential surface of the second outer sleeve pushes the tail part of the first outer sleeve to approach towards the axial lead.

The inner peripheral surface of the second outer sleeve is provided with a guide inclined surface, and the guide inclined surface faces the tail part of the first outer sleeve.

Preferably, the inner surface of the tail portion of the first outer sleeve is roughened.

Preferably, the outer peripheral surface of a rear end extension of the inner sleeve is parallel to the shaft axis, and the inner surface of the tail portion of the first outer sleeve is provided with a groove.

Preferably, the inner sleeve further comprises a C-ring located between the second surface of the inner sleeve and the inclined surface of the inner flange.

Preferably, the elastic piece further comprises a base portion and at least one elastic wing portion, the base portion is connected to the second surface of the inner sleeve in a surrounding manner, when the elastic piece is in an expanded state, the at least one elastic wing portion bends outwards from the base portion by an angle, and when the elastic piece is in a contracted state, the at least one elastic wing portion is located between the inner flange and the inner sleeve in a radial direction.

Preferably, the cross section of the C-shaped ring is equal in width from top to bottom.

Preferably, at least one said resilient wing portion is adapted to bear against an inclined surface of said inner flange of said nut sleeve, said inclined surface being inclined from a radially extending surface of said inner flange to an axially extending surface of said inner flange.

Preferably, the thickness of at least one of said elastic wing portions is comprised between 0.05mm and 0.5 mm.

Preferably, said base portion is integral with at least one said resilient wing portion.

Preferably, the inner sleeve further comprises an outer flange, the second surface of the inner sleeve is located between the outer flange and the first surface, the resilient tab further comprises a tab portion and a connecting portion, the connecting portion connects the tab portion with the base portion, the resilient tab assumes the retracted state when the nut sleeve fully engages the connector of the electronic device, the tab portion is located between the outer flange and the inner flange, and the connecting portion is adapted to be radially between the inner flange and the inner sleeve.

Preferably, when the elastic sheet is in the open state, the angle is an acute angle, and an opening direction of the acute angle faces the blocking piece portion.

Preferably, the thickness of the baffle portion is between 0.05mm and 0.5 mm.

The present invention also provides a coaxial cable connector adapted to engage a connector having a threaded surface of an electronic device. The coaxial cable connector includes:

the inner sleeve surrounds an axis, the outer surface of the inner sleeve is in a step shape and comprises a first surface, a second surface and an inclined surface, and the inclined surface and the axis are arranged at an angle;

the nut sleeve is sleeved on the inner sleeve and comprises a threaded part and an inner flange, the threaded part is used for being connected with the threaded surface of the electronic device, and the inner flange surrounds the second surface of the inner sleeve; and

the second outer sleeve is sleeved on the tail portion of the first outer sleeve, and when the second outer sleeve axially moves towards the nut sleeve, the inner circumferential surface of the second outer sleeve pushes the tail portion of the first outer sleeve to approach the axial lead.

Preferably, the inner sleeve further comprises a C-shaped ring, the C-shaped ring is connected to the inclined surface of the inner sleeve in an encircling manner, and a radially extending surface of the inner flange is used for pushing the C-shaped ring to move along the inclined surface.

Preferably, the C-ring has a cross-section of one of a rectangle, a circle, an ellipse, and a polygon.

Preferably, the inner sleeve further comprises a resilient tab, the resilient tab comprises a base portion and at least one resilient wing portion, the base portion is connected to the second surface of the inner sleeve in a looped manner, and the at least one resilient wing portion is adapted to lie against the inclined surface of the inner sleeve.

The present invention also provides a coaxial cable connector adapted to engage a connector having a threaded surface of an electronic device, the coaxial cable connector comprising:

the first outer sleeve is coaxially arranged outside the inner sleeve and comprises a head part and a tail part, the head part surrounds the first surface of the inner sleeve, and the tail part is provided with an end surface perpendicular to the axial lead and a groove positioned on the inner surface;

the nut sleeve is sleeved on the inner sleeve and comprises a threaded part and an inner flange, the threaded part is used for being jointed with the threaded surface of the electronic device, and an inclined surface of the inner flange is arranged at an angle with the axis;

a resilient tab comprising a base portion and a single resilient wing portion, the base portion being attached around a portion of the second surface of the inner sleeve, the single resilient wing portion being adapted to lie against the inclined surface of the nut sleeve; and

Preferably, the shell fragment still includes a piece portion and two connecting portion, connecting portion connect the piece portion with the base, it is single elasticity alar part is located two in the middle of the connecting portion, the piece portion is cyclic annular, works as when the shell fragment is presenting open state, it is single elasticity alar part with both of axial lead press from both sides a first angle, the nut cover the inclined surface with both of axial lead press from both sides a second angle, first angle is greater than the second angle.

Preferably, the elastic piece further comprises a convex part formed on the single elastic wing part, the convex part is used for contacting the inclined surface of the nut sleeve, and the thickness of the convex part is between 0.1mm and 0.2 mm.

Preferably, the convex part of the elastic sheet is in one of a circular shape, a rectangular shape, a square shape, a diamond shape, a trapezoid shape, an oval shape, a cross shape or a polygonal shape.

Preferably, a single elastic wing portion of the elastic sheet is bent, the single elastic wing portion has a first extending section and a second extending section, and a tip portion is formed at a joint of the first extending section and the second extending section, and the tip portion is used for contacting the inclined surface of the nut sleeve.

Preferably, a single elastic wing part of the elastic sheet is arc-shaped.

Preferably, the elastic sheet further comprises a counterweight portion disposed on the blocking portion, and the counterweight portion is correspondingly disposed on an opposite side of the single elastic wing portion.

Preferably, the weight portion of the resilient piece is formed on an inner circumferential surface of the stopper portion and extends inward.

the nut sleeve is sleeved on the inner sleeve and comprises a thread part and an inner flange, the thread part is used for being connected with the thread surface of the electronic device, and the inner flange surrounds the second surface of the inner sleeve;

a resilient tab comprising a base portion and a single resilient wing portion, the base portion being annular and annularly attached to the second surface of the inner sleeve, the single resilient wing portion being adapted to lie against the inclined surface of the inner sleeve; and

and the second outer sleeve is sleeved on the tail part of the first outer sleeve, and when the second outer sleeve axially moves towards the nut sleeve, the inner circumferential surface of the second outer sleeve pushes the tail part of the first outer sleeve to approach the axial lead.

Preferably, the resilient tab further comprises a protrusion formed on the single resilient wing, the protrusion is configured to contact the inclined surface of the inner sleeve, and the thickness of the protrusion is between 0.1mm and 0.2 mm.

Preferably, a single elastic wing of the elastic piece is bent, the single elastic wing has a first extending section and a second extending section, and a tip is formed at a joint of the first extending section and the second extending section, and the tip is used for contacting the inclined surface of the inner sleeve.

Preferably, a single elastic wing part of the elastic sheet is arc-shaped.

The utility model discloses for prior art gain following technological effect:

the utility model discloses coaxial cable connector increases at least one in shell fragment and C type ring between nut cover and inner skleeve promptly in the front end portion, can ensure the utility model discloses can have good electric connection in the use, and the tail end part then pushes away the design that makes the afterbody of first outer skleeve towards the axial lead compression through the second outer skleeve, increases through the second outer skleeve the utility model discloses tensile strength when combining with coaxial cable line to prevent coaxial cable line from breaking away from the utility model discloses, the event can reach the cost really the purpose of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a cross-sectional view of a first embodiment of the coaxial cable connector of the present invention;

fig. 2 is a cross-sectional view of the coaxial cable of the present invention;

FIG. 3 is a perspective view of the resilient plate in the first embodiment;

FIG. 4 is a left side view of the resilient plate in the first embodiment;

FIG. 5 is a front view of the resilient plate in the first embodiment;

FIG. 6 is a cross-sectional view of the coaxial cable connector of the first embodiment with the coaxial cable installed, illustrating the first outer sleeve of the first embodiment not yet deformed by the second outer sleeve;

FIG. 7 is a view similar to FIG. 6, showing the first embodiment with the end of the first outer sleeve being urged against the second outer sleeve to contract toward the coaxial cable;

FIGS. 8 and 9 are schematic diagrams illustrating steps of the first embodiment of the coaxial cable connector being coupled to a connector of an electronic device;

fig. 10, 11 and 12 are a perspective view, a left side view and a cross-sectional view of another elastic piece of the first embodiment of the coaxial cable connector according to the present invention;

FIG. 13 is a schematic view of a coaxial cable connector with another spring plate being used in combination with a connector of an electronic device;

FIG. 14 is a cross-sectional view of the first embodiment of the coaxial cable connector using a C-ring;

fig. 15 is a cross-sectional view of a second embodiment of the coaxial cable connector of the present invention;

FIG. 16 is a perspective view of the second embodiment using a resilient tab, illustrating that the tab has only one resilient wing portion;

FIG. 17 is a side view of the second embodiment with spring plates;

FIG. 18 is a bottom view of the second embodiment using the resilient plate;

FIG. 19 is a side view of the second embodiment using another resilient tab;

FIG. 20 is a perspective view of another spring plate according to the second embodiment;

FIG. 21 is a cross-sectional view of a third embodiment of the coaxial cable connector of the present invention

FIG. 22 is a cross-sectional view of the third embodiment using the resilient plate;

fig. 23 is a cross-sectional view of a fourth embodiment of the coaxial cable connector of the present invention;

FIG. 24 is a cross-sectional view of a fourth embodiment using a resilient tab, illustrating that the tab has only one resilient wing portion;

FIG. 25 is a side view of the fourth embodiment using an alternative resilient tab, illustrating the resilient wing portion of the tab having a tip portion;

fig. 26 is a side view of another spring plate according to the fourth embodiment, illustrating the flexible wing portion of the spring plate being arc-shaped.

In the figure: 1-inner sleeve, 11-first surface, 12-second surface, 13-outer flange, 14-back end extension, 141-outer peripheral surface, 142-gap, 15-ramp, 2-nut sleeve, 21-thread, 22-inner flange, 221-ramp surface, 222-radial extension surface, 223-axial extension surface, 31-first outer sleeve, 311-head, 312-tail, 313-shoulder, 314-inner surface, 315-groove, 316-end surface, 32-second outer sleeve, 321-guide ramp, 4-spring, 41-stop, 411-weight, 42-base, 43-connection, 44-elastic wing, 441-first extension, 442-second extension, 443-tip, 45-through hole, 46-protrusion, 50-wire, 52-insulation layer, 54-thin metal layer, 56-braid, 58-plastic skin, 6-C, 9-electronic device, 91-joint, 92-thread surface, a-B-first angle, L-axis.

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same reference numerals, and the relevant parameters such as the shapes, the sizes, the thicknesses, the angles, etc. of the elements in the drawings are not drawn to scale, and the simplification is only for the convenience of clear description.

Referring to fig. 1, 2 and 3, the first embodiment of the coaxial cable connector of the present invention is adapted to engage a connector 91 (shown in fig. 8) having a threaded surface 92 of an electronic device 9. The coaxial cable connector of the present invention comprises an inner sleeve 1, a nut sleeve 2, a first outer sleeve 31, a second outer sleeve 32, and a spring plate 4, wherein the inner sleeve 1, the first outer sleeve 31 and the second outer sleeve 32 are coaxially disposed to receive a coaxial cable. The inner sleeve 1, the first outer sleeve 31 and the resilient plate 4 are made of conductive materials, such as copper, iron, silver, nickel, gold, copper-gold alloy, copper-tin alloy, copper-nickel alloy or other polymer or non-metal conductors with good conductivity, and the surfaces of the inner sleeve 1, the first outer sleeve 31 and the resilient plate 4 can be plated with a layer of antirust metal, which is made of a material such as copper, iron, silver, nickel, gold, copper-gold alloy, copper-tin alloy, copper-nickel alloy or other polymer or non-metal conductors with good conductivity.

The cross-sectional view of the coaxial cable is shown in fig. 2, the coaxial cable includes a metal wire 50 covered by an insulating layer 52, the insulating layer 52 is covered by a thin metal layer 54, the thin metal layer 54 is covered by a braided layer 56, and the braided layer 56 is covered by a plastic skin layer 58, wherein the metal wire 50 is made of copper, iron, silver, nickel, gold, cuprum-tin alloy, cuprum-nickel alloy or other polymer or non-metallic conductor with good conductivity, and the thin metal layer 54 is made of aluminum-containing metal layer, copper-containing metal layer or conductive layer containing conductive material, such as an aluminum foil covering layer or a copper foil covering layer, wherein the thin metal layer 54 has an electrical shielding effect and can reduce interference, and the braided layer 56 is in the form of two-layer braiding (Standard three-layer braiding), tri-braiding (Tri-braiding), and four-layer braiding (Quad).

The inner sleeve 1 of the present invention surrounds an axis L, and has a stepped outer surface, and includes a first surface 11, a second surface 12, an outer flange 13, and a rear end extension 14. The second surface 12 of the inner sleeve 1 is located between the outer flange 13 and the first surface 11. The rear end extension 14 has a smaller outer diameter and wall thickness than the first surface 11.

The nut sleeve 2 is sleeved on the inner sleeve 1 and includes a threaded portion 21 and an inner flange 22 inside thereof. The threaded portion 21 is configured to engage a threaded surface 92 of the electronic device 9 (see fig. 8). The inner flange 22 surrounds the second surface 12 of the inner sleeve 1, the inner flange 22 includes a radially extending surface 222, an axially extending surface 223, and an inclined surface 221, the inclined surface 221 is disposed at an angle to the axis L and is inclined from the radially extending surface 222 to the axially extending surface 223, and an included angle a between the inclined surface 221 and the axially extending surface 223 is between 15 degrees and 60 degrees, between 10 degrees and 30 degrees, or between 20 degrees and 45 degrees. The external shape of the middle nut case 2 of the present invention can be any type of nut such as a hexagon nut, a square nut, a ring nut, and a wing nut, and the coaxial cable connector can be locked to the electronic device 9 by a wrench or other tools.

The first outer sleeve 31 is coaxially disposed outside the inner sleeve 1, and includes a head portion 311 and a tail portion 312, and a shoulder portion 313 located between the head portion 311 and the tail portion 312. The head 311 of the first outer sleeve 31 surrounds the first surface 11 of the inner sleeve 1 and in this embodiment the tail 312 has an outer diameter and a wall thickness which are smaller than the outer diameter and the wall thickness of the head 311. However, in other designs or embodiments it is also possible that the tail portion 312 has an outer diameter and wall thickness greater than or equal to the outer diameter and wall thickness of the head portion 311, the tail portion 312 of the first outer sleeve 31 and the rear end extension 14 of the inner sleeve 1 being in concentric surrounding relationship with an annular hollow in the middle.

The second outer sleeve 32 is sleeved on the tail portion 312 of the first outer sleeve 31. The inner peripheral surface of the second outer sleeve 32 has a guiding inclined surface 321, the guiding inclined surface 321 faces the tail part 312 of the first outer sleeve 31 and is disposed at an angle with the axis L, and preferably, the guiding inclined surface 321 matches the outer surface shape of the tail part 312 of the first outer sleeve 31.

Referring to fig. 1, 3, 4 and 5, the resilient piece 4 is sleeved on the second surface 12 of the inner sleeve 1 and includes a blocking portion 41, a plurality of bases 42, a plurality of connecting portions 43 and a plurality of resilient wings 44. The blocking portion 41 has a through hole 45, and the blocking portion 41 is annular or has a gap with an arc of 10 to 30 degrees, 20 to 45 degrees, 60 to 150 degrees, or 60 to 120 degrees, and a diameter such that the resilient sheet 4 is disposed on the peripheral edge of the second surface 12 of the inner sleeve 1. The base 42 is looped around the second surface 12 of the inner sleeve 1. The connecting portions 43 are arranged at intervals in the circumferential direction, and one end of each connecting portion 43 is connected to the stopper portion 41, and the other end is connected to the corresponding base portion 42. The elastic wings 44 are respectively connected to the base 42, each elastic wing 44 being adapted to abut against an inclined surface 221 of the inner flange 22 of the nut 2. Preferably, the blocking portion 41 is integrally formed with the base portion 42, the connecting portion 43 and the elastic wing portion 44.

The elastic sheet 4 of the present invention is not assembled with other components, and is in an open state, and at this time, each elastic wing portion 44 is bent outward from the corresponding base portion 42 by an angle B, the angle B is an acute angle, for example, the angle B is opened outward by 10 degrees to 20 degrees, 15 degrees to 60 degrees, 20 degrees to 45 degrees, or 30 degrees to 75 degrees, and the opening direction of the acute angle faces the stopper portion 41. When the resilient strip 4 is disposed on the inner sleeve 1, the resilient wing 44 is adapted to abut against the inclined surface 221 of the inner flange 22 of the nut 2, and the connecting portion 43 of the resilient strip 4 is in close contact with the peripheral edge of the second surface 12, so that the resilient strip 4 and the inner sleeve 1 are firmly coupled. Further, the thickness of the blocking portion 41, the connecting portion 43 and the elastic wing portion 44 of the elastic sheet 4 is between 0.05mm and 0.5mm or between 0.03mm and 1mm, and the shape of the elastic wing portion 44 includes a square, triangle, semicircle or polygon, and the surface of the elastic wing portion 44 may be smooth, rough or granular.

Referring to fig. 1, 5, 6 and 7, the assembling procedure of the coaxial cable connector of the present invention may include, for example, first passing the through hole 45 of the elastic piece 4 through the rear end extension 14 of the inner sleeve 1, then disposing the through hole on the second surface 12 of the inner sleeve 1, then passing the nut sleeve 2 through the rear end extension 14 of the inner sleeve 1, making the inner flange 22 of the nut sleeve 2 surround the second surface 12 of the inner sleeve 1 and the surface of the elastic piece 4, then passing the rear end extension 14 of the inner sleeve 1 through the first outer sleeve 31 in a tight fit manner, and making the first surface 11 of the inner sleeve 1 tightly engaged with the head 311 of the first outer sleeve 31, and then passing the second outer sleeve 32 through the tail 312 of the first outer sleeve 31.

When the coaxial cable is installed in the coaxial cable connector, the braid 56 and the plastic skin 58 of the coaxial cable are extruded into the gap formed by the rear end extension 14 of the inner sleeve 1 and the tail 312 of the first outer sleeve 31, at this time, a part of the braid 56 is turned over to cover a part of the plastic skin 58, and the metal wire 50, the insulating layer 52 and the thin metal layer 54 of the coaxial cable pass through the outer flange 13 of the inner sleeve 1, wherein the metal wire 50 extends into the space formed by the threaded portion 21 of the nut sleeve 2. In order to prevent that the user from pulling coaxial cable and causing coaxial cable easily to take off the situation emergence in the connector, the utility model discloses a second outer sleeve 32 axially towards the process that nut cover 2 removed, the inner peripheral surface of forcing the second outer sleeve 32 pushes away the afterbody 312 that supports first outer sleeve 31 and is close to towards axial lead L, thereby makes the afterbody 312 that has elastic first outer sleeve 31 under the effect that receives radial component, sets up in coaxial cable more close-fitting, as shown in fig. 7.

Referring to fig. 8 and 9, the step of installing the coaxial cable connector on the electronic device 9 may be, for example, aligning the connector with the coaxial cable to be close to the connector 91 with the threaded surface 92 of the electronic device 9, inserting the metal wire 50 at the center of the coaxial cable into the connector 91 with the threaded surface 92, then rotating the nut 2 to make the outer flange 13 of the inner sleeve 1 of the coaxial cable connector approach the connector 91 slowly, the inner flange 22 of the nut 2 will approach the blocking portion 41 of the elastic piece 4 gradually until contacting each other while rotating, and the inner flange 22 of the nut 2 will press the elastic wing portion 44 of the elastic piece 4 at the same time to reduce the opening angle of the elastic wing portion 44. During the rotation of the nut 2, the elastic wing 44 of the elastic piece 4 is compressed (or contracted) from the open state (as shown in fig. 8) to the contracted state (as shown in fig. 9), when the nut 2 is completely coupled to the connector 91 of the electronic device 9, the coaxial cable connector and the connector 91 of the electronic device 9 are completely locked, wherein the elastic wing 44 is radially located between the inner flange 22 of the nut 2 and the second surface 12 of the inner sleeve 1, the inner flange 22 of the nut 2 abuts against the blocking portion 41 of the elastic piece 4, and the blocking portion 41 is tightly contacted with the outer flange 13 of the inner sleeve 1 due to the compression of the inner flange 22 of the nut 2, the blocking portion 41 is located between the outer flange 13 and the inner flange 22, and the elastic wing 44 has elasticity, so that the elastic wing 4 and the surface of the inner sleeve 1 are tightly contacted, the elastic wing 44 and the connecting portion 43 are adapted to be radially located between the inner flange 22 and the inner sleeve 1, the inner flange 22 of the nut 2 abuts against the blocking portion 41, the elastic wing 44 and the connecting portion 43, so that the contact between the three provides good electrical connection, and the good signal transmission is also provided (electrical connection).

It should be noted that the number of the elastic wing part 44, the connecting part 43 and the base part 42 of the middle spring plate 4 of the present invention can be only one, so that the same purpose and efficacy of the present invention can be achieved.

Referring to fig. 10, fig. 11, fig. 12 and fig. 13, another embodiment of the elastic piece 4 is adopted for the first embodiment of the coaxial cable connector of the present invention.

The elastic sheet 4 is only provided with a base portion 42, a plurality of connecting portions 43 and a plurality of elastic wing portions 44, the base portion 42 and the connecting portions 43 are integrally formed, and the connecting portions 43 and the elastic wing portions 44 are arranged in a staggered manner in the circumferential direction of the base portion 42. When the coaxial cable connector is assembled to the electronic device 9, the inner flange 22 of the nut sleeve 2 is in contact with the outer flange 13 of the inner sleeve 1, and the elastic wing 44 is radially between the inner flange 22 of the nut sleeve 2 and the second surface 12 of the inner sleeve 1, so that the nut sleeve 2 is in close contact with the inner sleeve 1 by the elastic force of the elastic wing 44 itself, thereby providing a good electrical connection and further ensuring the signal transmission quality, wherein the electrical connection is a ground (round).

Referring to fig. 14, the coaxial cable connector of the present invention can be implemented by disposing a C-ring 6 instead of the resilient plate, the C-ring 6 is located between the second surface 12 of the inner sleeve 1 and the inclined surface 221 of the inner flange 22, the cross section of the C-ring 6 is a rectangle with equal width in the present embodiment, and in other embodiments, the C-ring 6 can be a parallelogram with equal width in the upper and lower directions, a circle, an ellipse or a polygon, the C-ring 6 is made of a conductive material, such as copper, iron, silver, nickel, tin, gold, copper-gold alloy, copper-tin alloy, copper-nickel alloy, brass alloy, phosphor bronze, beryllium copper, aluminum alloy, zinc alloy, steel alloy or other polymer with good conductivity (such as conductive plastic) or non-metallic conductor, and the surface of the C-ring 6 can be electroplated, electroplated or covered with a rust-proof metal layer, which is made of a metal material, such as copper, iron, silver, nickel, tin, gold. In the process that the inner flange 22 of the nut sleeve 2 axially moves towards the outer flange 13 of the inner sleeve 1, the inclined surface 221 of the inner flange 22 can move the C-shaped ring 6 along the surface thereof, so that the C-shaped ring 6 deforms in a limited space, and is in contact with the nut sleeve 2 and the inner sleeve 1 in a more close fit manner, thereby ensuring that the utility model is in a conducting state at any time when in operation, so as to provide good electrical connection and ensure the quality of signal transmission.

It should be noted that, in other embodiments, the coaxial cable connector of the present invention can also be implemented by disposing the C-shaped ring and the elastic piece at the same time. In the component configuration, for example, the base of the spring plate is connected to the second surface of the inner sleeve, and the elastic wing of the spring plate and the partial C-shaped ring are located between the second surface of the inner sleeve and the inclined surface of the inner flange. When the inner flange is moved axially toward the outer flange, the inclined surface of the inner flange contacts the elastic wing and the C-ring with a tight fit, so that good electrical contact can be achieved.

Referring to fig. 15, 16, 17 and 18, a second embodiment of the coaxial cable connector according to the present invention is similar to the first embodiment, and the main difference is:

the tail portion 312 of the first outer sleeve 31 has an end surface 316 perpendicular to the axis L and a groove 315 in the inner surface 314. The resilient piece 4 includes a blocking portion 41 surrounding the axis L, a base portion 42, two connecting portions 43, and a resilient wing portion 44. The base 42 circumscribes a portion of the second surface 12 of the inner sleeve 1. The number of the elastic wing portions 44 is only one, and the elastic wing portions are connected with the base portion 42 and located between the two connecting portions 43, the two connecting portions 43 connect the blocking piece portion 41 with the base portion 42, and the blocking piece portion 41 is annular. When the resilient piece 4 is in the open state, the single resilient wing portion 44 and the axis L form a first angle B, and the inclined surface 221 of the nut sleeve 2 and the axis L form a second angle, wherein the second angle is equal to the included angle a in fig. 1, and the first angle B is greater than the second angle, for example, the first angle B may be between 45 degrees and 65 degrees.

In some embodiments, the resilient tab 4 includes a protrusion 46 formed on the single resilient wing 44, the protrusion 46 is configured to contact the inclined surface 221 of the nut 2, preferably, the protrusion 46 has a thickness of 0.1mm to 0.2mm, and the shape of the protrusion 46 may be one of circular, rectangular, square, diamond, trapezoidal, oval, cross, or polygonal.

In some embodiments, the elastic wing 44 of the elastic sheet 4 is not flat, for example, it may be bent, and referring to fig. 19, the elastic wing 44 of the elastic sheet 4 has a first extension 441 and a second extension 442. The first extension segment 441 extends outwardly from the base portion 42, and a tip portion 443 is formed at a junction of the first extension segment 441 and the second extension segment 442, and the tip portion 443 is configured to contact the inclined surface 221 of the nut sleeve 2. Or, the elastic wing portion 44 of the elastic piece 4 is arc-shaped, and the center of curvature of the elastic wing portion 44 may be the same side or different side as the inclined surface 221 of the nut sleeve 2.

Referring to fig. 20, in some embodiments, the elastic sheet 4 further includes a weight portion 411 formed on the inner circumferential surface of the blocking portion 41, and the weight portion 411 is correspondingly disposed on the opposite side of the elastic wing portion 44, so that the center of gravity of the elastic sheet 4 having only a single elastic wing portion 44 can be balanced on the axis during assembly, thereby preventing the elastic sheet 4 from being unevenly weighted and failing to average the supporting force, and further preventing the elastic sheet 4 from being deformed and clamped between the nut sleeve 2 and the inner sleeve 1. Referring to fig. 21, a third embodiment of the coaxial cable connector according to the present invention is similar to the first embodiment, and the main difference is:

the inner sleeve 1 further comprises a ramp 15, the second surface 12 of the inner sleeve 1 being located between the first surface 11 and the ramp 15, the ramp 15 being arranged at an angle to the axis L. In this embodiment, the C-shaped ring 6 is used to replace the spring, and the C-shaped ring 6 is connected to the inclined surface 15 of the inner sleeve 1. During assembly, when the inner flange 22 of the nut 2 moves axially towards the outer flange 13 of the inner sleeve 1, the radially extending surface 222 of the inner flange 22 contacts the C-ring 6 and pushes the C-ring 6 to move along the inclined surface 15, which ensures that the nut 2 and the inner sleeve 1 are in a conductive state during operation, thereby providing a good electrical connection and ensuring signal transmission quality. In addition, the outer peripheral surface 141 of the rear end extension 14 of the inner sleeve 1 is serrated, and the inner surface 314 of the tail portion 312 of the first outer sleeve 31 is rough, for example, a knurled interference surface, which is used to increase the tensile strength when the coaxial cable is combined.

Referring to fig. 22, the coaxial cable connector according to the third embodiment of the present invention can be implemented by disposing the spring plate 4 instead of the C-ring, wherein the base portion 42 of the spring plate 4 is connected to the second surface 12 of the inner sleeve 1, and the elastic wing portion 44 is bent outward from the base portion 42 at an angle. When the inner flange 22 of the nut sleeve 2 moves axially towards the outer flange 13 of the inner sleeve 1, the axially extending surface 223 of the inner flange 22 contacts the base 42 of the resilient plate 4 and pushes the resilient wing 44 of the resilient plate 4 to lie against the inclined surface 15 of the inner sleeve 1, so as to provide a good electrical connection through the design of the nut sleeve 2, the resilient plate 4 and the inner sleeve 1 in close fit contact with each other, wherein the electrical connection is grounded.

In addition, in order to make the parts of the coaxial cable (the braid and the plastic sheath) easily inserted into the gap 142 formed by the rear end extension 14 and the tail part 312 of the first outer sleeve 31, in the present embodiment, the outer peripheral surface 141 of the rear end extension 14 of the inner sleeve 1 is parallel to the axis L, and preferably, the inner surface of the tail part 312 of the first outer sleeve 31 has a groove 315, and the groove 315 is used for accommodating the portion of the coaxial cable which is extruded and deformed, thereby increasing the tensile strength between the tail part 312 of the first outer sleeve 31 and the coaxial cable after being compressed and deformed toward the axis L.

Referring to fig. 23 and 24, a fourth embodiment of the coaxial cable connector of the present invention is similar to the first embodiment, and the main difference is:

the inner sleeve 1 further comprises a ramp 15, the second surface 12 of the inner sleeve 1 being located between the first surface 11 and the ramp 15, the ramp 15 being angled with respect to the axis L. The tail portion 312 of the first outer sleeve 31 has an end surface 316 perpendicular to the axis L and a groove 315 in the inner surface 314. The resilient plate 4 includes a base 42, a resilient wing 44, and a protrusion 46. The base 42 is annular and is circumjacent to the second surface 12 of the inner sleeve 1. The number of the flexible wings 44 is only one and lies against the ramps 15 of the inner sleeve 1. The protrusion 46 protrudes from the surface of the elastic wing 44 to contact the inclined surface 15 of the inner sleeve 1, preferably, the thickness of the protrusion 46 is between 0.1mm and 0.2mm, and the shape of the protrusion 46 may be any shape.

Referring to fig. 25, in some embodiments, the elastic wing 44 of the elastic sheet 4 has a first extension 441 and a second extension 442. The intersection of the first extension segment 441 and the second extension segment 442 forms a tip 443, and the tip 443 is configured to contact the inclined surface 15 of the inner sleeve 1. Or as shown in fig. 26, the elastic wings 44 of the elastic strip 4 are arc-shaped, and the curvature center of the elastic wings 44 is different from the inclined surface 15 of the inner sleeve 1.

To sum up, the utility model discloses coaxial cable connector increases at least one in shell fragment and C type ring between nut cover and inner skleeve promptly in the front end portion, can ensure the utility model discloses can have good electric connection on using, and the tail end portion then pushes away the design that makes the afterbody of first outer skleeve towards the axial lead compression through the second outer skleeve to first outer skleeve, increases the utility model discloses tensile strength when combining with coaxial cable line to prevent coaxial cable line from breaking away from the utility model discloses, the event can reach cost utility model's purpose really.

The technical content of the present invention is not limited to the above embodiments, and all the same concepts and principles as the present invention are disclosed in the present invention, which fall within the scope of the claims of the present invention. It should be noted that the definitions of elements, such as "first" and "second," are not words of limitation, but are words of distinction. As used herein, the terms "comprises" and "comprising" encompass the concepts of "including" and "having" and mean that elements, acts and/or groups or combinations thereof do not have an exclusive or added meaning. Further, unless specifically stated otherwise, the order of the steps of operations does not represent an absolute order. Furthermore, reference to an element in the singular (e.g., using the articles "a" or "an") does not mean "one and only one" but rather "one or more" unless specifically stated otherwise. As used herein, "and/or" means "and" or "and" or ". As used herein, the term "range-related" is intended to include all and/or range limitations, such as "at least," "greater than," "less than," "not greater than," and the like, and refers to either the upper or lower limit of a range.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereto, and all simple equivalent changes and modifications made according to the claims and the contents of the patent specification are still within the scope of the present invention.

Claims

1. A coaxial cable connector adapted to engage a contact of an electronic device having a threaded surface, the coaxial cable connector comprising:

the nut sleeve is sleeved on the inner sleeve and comprises a thread part and an inner flange, the thread part is used for being connected with the thread surface of the electronic device, and an inclined surface of the inner flange is arranged at an angle with the axis;

the second outer sleeve is sleeved on the tail part of the first outer sleeve, and the inner circumferential surface of the second outer sleeve pushes the tail part of the first outer sleeve to approach the axial lead when the second outer sleeve axially moves towards the nut sleeve;

the shell fragment still includes a fender portion and two connecting portion, connecting portion are connected the fender portion with the base, it is single elasticity alar part is located two in the middle of the connecting portion, the fender portion is cyclic annularly, works as the shell fragment is when presenting open state, it is single elasticity alar part with both of axial lead press from both sides a first angle, the nut cover the inclined surface with both of axial lead press from both sides a second angle, first angle is greater than the second angle.

2. The coaxial cable connector of claim 1, wherein the spring further comprises a protrusion formed on a single one of the resilient wings, the protrusion configured to contact the inclined surface of the nut sleeve, the protrusion having a thickness of between 0.1mm and 0.2 mm.

3. The coaxial cable connector of claim 2, wherein the protrusion of the spring is one of circular, rectangular, square, diamond, trapezoidal, oval, cross, or polygonal in shape.

4. The coaxial cable connector of claim 1, wherein a single elastic wing of the spring plate is bent, the single elastic wing has a first extension section and a second extension section, and a point is formed at a junction of the first extension section and the second extension section, and the point is configured to contact the inclined surface of the nut sleeve.

5. The coaxial cable connector of claim 1, wherein a single one of the resilient wings of the spring is arcuate.

6. The coaxial cable connector of claim 1, wherein the spring further comprises a weight portion disposed on the blocking portion, the weight portion being disposed on an opposite side of a single one of the elastic wing portions.

7. The coaxial cable connector according to claim 6, wherein the weight portion of the spring is formed on an inner circumferential surface of the stopper portion and extends inward.

8. A coaxial cable connector adapted to engage a contact of an electronic device having a threaded surface, the coaxial cable connector comprising:

the nut sleeve is sleeved on the inner sleeve and comprises a threaded part and an inner flange, the threaded part is used for being connected with the threaded surface of the electronic device, and the inner flange surrounds the second surface of the inner sleeve;

the second outer sleeve is sleeved on the tail part of the first outer sleeve, and when the second outer sleeve axially moves towards the nut sleeve, the inner circumferential surface of the second outer sleeve pushes the tail part of the first outer sleeve to approach the axial lead;

the elastic sheet also comprises a convex part formed on the single elastic wing part, the convex part is used for contacting the inclined plane of the inner sleeve, and the thickness of the convex part is between 0.1mm and 0.2 mm.

9. The coaxial cable connector of claim 8, wherein a single elastic wing of the elastic piece is bent, the single elastic wing has a first extension section and a second extension section, and a tip is formed at a joint of the first extension section and the second extension section, and the tip is configured to contact the inclined surface of the inner sleeve.

10. The coaxial cable connector of claim 8, wherein a single one of the resilient wings of the spring is arcuate.