CN211377015U

CN211377015U - Bipyramid pressing connection structure of radio frequency leakage cable connector

Info

Publication number: CN211377015U
Application number: CN201922132668.2U
Authority: CN
Inventors: 徐一鸣
Original assignee: Changzhou Amphenol Fuyang Communication Equipment Co Ltd
Current assignee: Changzhou Amphenol Fuyang Communication Equipment Co Ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-28
Anticipated expiration: 2029-12-03

Abstract

The utility model provides a bipyramid of radio frequency leakage cable connector compresses tightly connection structure, include: preceding shell, jack, back shell, clamping ring, back clamping ring, the afterbody outside of preceding shell is provided with the screw thread, the head inboard of back shell is equipped with the thread groove, preceding shell connects soon in the back shell, back clamping ring fixed mounting be in the inboard of back shell, back clamping ring is located the thread groove afterbody, the clamping ring is installed preceding shell with between the back clamping ring, the clamping ring is provided with the breach, all set up 30 degrees inclinations between the outer lane of clamping ring and the both sides limit, the pipe wall of preceding shell afterbody is provided with the inclination of inside sunken 30 degrees, the left pipe wall of back clamping ring is provided with inside sunken 30 degrees inclinations, the interior circle of clamping ring evenly is provided with the closed angle. The utility model discloses the erection joint is reliable, effectively avoids three intermodulation interferences.

Description

Bipyramid pressing connection structure of radio frequency leakage cable connector

Technical Field

The utility model relates to a cable connector technical field especially relates to a bipyramid compresses tightly connection structure of radio frequency leakage cable connector.

Background

The contact reliability of the existing plain-weave leaky cable connector and a leaky cable during installation is not high, and triple-dielectric intermodulation interference is caused. The conventional cable circumferential shape is corrugated, the seams are welded, the conventional plain-leakage cable circumferential shape is flat, the seams are overlapped and are not welded, and the seams generate the intermodulation interference during the installation.

Disclosure of Invention

In order to solve the problem mentioned in the above-mentioned background art, the utility model provides a bipyramid compresses tightly connection structure of leakage cable connector is let out to radio frequency, include: preceding shell, jack, back shell, clamping ring, back clamping ring, the afterbody outside of preceding shell is provided with the screw thread, the head inboard of back shell is equipped with the thread groove, preceding shell connects soon in the back shell, back clamping ring fixed mounting be in the inboard of back shell, back clamping ring is located the thread groove afterbody, the clamping ring is installed preceding shell with between the back clamping ring, the clamping ring is provided with the breach, all set up 30 degrees inclinations between the outer lane of clamping ring and the both sides limit, the pipe wall of preceding shell afterbody is provided with the inclination of inside sunken 30 degrees, the left pipe wall of back clamping ring is provided with inside sunken 30 degrees inclinations, the interior circle of clamping ring evenly is provided with the closed angle.

Furthermore, be provided with many toper ribs of 60 degrees on the internal surface of clamp ring, toper rib interval 1mm evenly distributes along the inner circle of clamp ring, the toper rib can stab into the cable protective sheath.

Further, the method also comprises the following steps: preceding insulator, back insulator, inner core, insulating piece, preceding insulator with the back insulator is all installed the inside of preceding shell, the inner core is the tubular metal resonator follow the tail end of preceding shell begins to extend along the coaxial direction of preceding shell right, the inner core external diameter is less than the internal diameter of preceding shell tail end, the first end of insulating piece with the left end of inner core links to each other, the second end of insulating piece with the tail end inner wall of preceding shell links to each other, the insulating piece can with the outer conductor terminal surface of cable with effectively separate between the inner core, prevent to produce three intermodulation interferences.

Furthermore, the inner core can wrap the metal core of the cable and is inserted into the cable, and when the pressing ring shrinks inwards, the inner core and the pressing ring approach to each other to press and connect the outer conductor of the cable.

Further, the method also comprises the following steps: first sealing washer, second sealing washer, the thread groove of preceding shell, first sealing washer tightly overlaps in the recess, compress tightly the connection between back shell, first sealing washer, the preceding shell, the tight cover of second sealing washer is on the cable, the second sealing washer is located the right side of back clamping ring, the right-hand member of back shell is to the internal contraction will the second sealing washer restriction is in the back shell, compress tightly between cable, second sealing washer, the back shell and link to each other.

Compared with the prior art, the utility model provides a bipyramid of radio frequency leakage cable connector compresses tightly connection structure has following beneficial effect:

1, the utility model discloses the rotatory tight ring shrink that is close to of shell and back shell before utilizing, the closed angle that utilizes the tight ring internal surface makes the connector fix on the cable, has increased the reliability of connecting.

2, the utility model discloses shell life sets up preceding insulator, back insulator, insulating piece in the front, effectively prevents to produce three and mediates intermodulation interference.

3, the utility model discloses set up two sealing washers, effectively guarantee the sealed effect of device.

Drawings

Fig. 1 is a schematic structural diagram of a biconical press-connection structure of a radio frequency leakage cable connector.

Fig. 2 is a schematic structural view of a clamping ring of a biconical press connection structure of a radio frequency leakage cable connector.

Fig. 3 is a schematic structural view of a section of a clamping ring of a double-cone compression connection structure of a radio frequency leakage cable connector.

Fig. 4 is a front view of a cross-section ring C of a clamping ring of a double-cone compression connecting structure of a radio frequency leakage cable connector.

Fig. 5 is a schematic structural view of a double-cone compression connection structure of a radio frequency leakage cable connector when the cable is placed in the double-cone compression connection structure.

Fig. 6 is a partially enlarged view of a biconical crimping connecting structure ring a of the rf leaky cable connector.

Fig. 7 is a partially enlarged view of a biconical crimping connecting structure ring B of a radio frequency leaky cable connector.

Wherein: 1-a front insulator; 2-a front housing; 3-a jack; 4-a first sealing ring; 5-a rear insulator; 6-inner core; 7-an insulating sheet; 8-a pressing ring; 9-rear pressing ring; 10-a second sealing ring; 11-rear housing.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person having ordinary skill in the art without creative efforts shall belong to the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The present invention will be described in detail with reference to the drawings, and in order to describe the embodiments of the present invention in detail, the cross-sectional view showing the structure of the device will not be enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Meanwhile, in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "mounted, connected and connected" in the present application are to be understood broadly, unless otherwise explicitly stated or limited, for example: can be fixedly connected, detachably connected or integrally connected; they may be mechanically, electrically, or directly connected, or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in the figure, the utility model provides a bipyramid of radio frequency leakage cable connector compresses tightly connection structure, include: preceding shell 2, jack 3, back shell 11, its characterized in that still includes: the outer side of the tail of the front shell 2 is provided with threads, the inner side of the head of the rear shell 11 is provided with a thread groove, the front shell 2 is screwed in the rear shell 11, the rear clamping ring 9 is fixedly arranged on the inner side of the rear shell 11, the rear clamping ring 9 is positioned at the tail of the thread groove, the clamping ring 8 is arranged between the front shell 2 and the rear clamping ring 9, the clamping ring 8 is provided with a notch, 30-degree inclination angles are arranged between the outer ring of the clamping ring 8 and two side edges, the pipe wall of the tail of the front shell 2 is provided with an inwards-recessed 30-degree inclination angle, the pipe wall on the left side of the rear clamping ring 9 is provided with an inwards-recessed 30-degree inclination angle, the inner surface of the clamping ring 8 is provided with a plurality of 60-degree conical ribs, and the conical ribs are uniformly distributed along the inner ring of the clamping ring 8 at intervals of 1mm, the tapered ribs may pierce the cable jacket.

Further comprising: the front insulator 1, the rear insulator 5, the inner core 6 and the insulating sheet 7, wherein the front insulator 1 and the rear insulator 5 are both arranged in the front shell 2, the inner core 6 is arranged inside the front shell 2, the inner core 6 is a metal tube which extends rightwards from the tail end of the front shell 2 along the coaxial direction of the front shell 2, the outer diameter of the inner core 6 is smaller than the inner diameter of the tail end of the front shell 2, the first end of the insulation sheet 7 is connected with the left end of the inner core 6, the second end of the insulating sheet 7 is connected with the inner wall of the tail end of the front shell 2, the insulating sheet 7 can effectively separate the end face of the outer conductor of the cable from the inner core 6, so as to prevent the generation of the intermodulation interference, the inner core 6 can be wrapped on the outer portion of the metal core of the cable and inserted into the cable, and when the pressing ring 8 contracts inwards, the inner core 6 and the pressing ring 8 approach to each other to press and connect the outer conductor of the cable.

Further comprising: first sealing washer 4, second sealing washer 10, the thread groove of preceding shell 2, first sealing washer 4 tightly overlaps in the recess, compress tightly between back shell 11, first sealing washer 4, the preceding shell 2 and connect, second sealing washer 10 tightly overlaps on the cable, second sealing washer 10 is located the right side of back clamping ring 9, the right-hand member of back shell 11 is to the internal contraction will second sealing washer 10 restriction is in the back shell 11, compress tightly between cable, second sealing washer 10, the back shell 11 and link to each other.

When the cable and the radio frequency leakage cable connector are installed in the working principle, the protective sleeve on the front side of the cable is peeled off, the rear shell 11 is sleeved on the cable, the inner core 6 is inserted into the cable from the front end of the cable, the iron core of the cable penetrates through the jack 3 and is fixed through the front insulator 1 and the rear insulator 5, the pressing ring 8 is placed between the front shell 2 and the rear shell 11, the front shell 2 and the rear shell 11 are rotatably connected and are extruded to the pressing ring 8, and the radio frequency leakage cable connector is fixed on the cable through inward contraction of the pressing ring 8.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A bipyramid compression connection structure of a radio frequency leakage cable connector comprises: preceding shell (2), jack (3), back shell (11), its characterized in that still includes: a pressing ring (8) and a rear pressing ring (9), wherein the outer side of the tail part of the front shell (2) is provided with a thread, the inner side of the head part of the rear shell (11) is provided with a thread groove, the front shell (2) is screwed in the rear shell (11), the rear pressing ring (9) is fixedly arranged on the inner side of the rear shell (11), the rear pressing ring (9) is positioned at the tail part of the thread groove, the pressing ring (8) is arranged between the front shell (2) and the rear pressing ring (9), the pressing ring (8) is provided with a gap, the outer ring of the pressing ring (8) and two side edges are provided with inclination angles of 30 degrees, the pipe wall at the tail part of the front shell (2) is provided with an inward sunken inclination angle of 30 degrees, the pipe wall on the left side of the rear pressing ring (9) is provided with an inward sunken 30-degree inclination angle, and sharp corners are uniformly arranged on the inner ring of the pressing ring (8).

2. The structure of claim 1, wherein a plurality of 60-degree conical ribs are arranged on the inner surface of the clamping ring (8), the conical ribs are uniformly distributed along the inner ring of the clamping ring (8) at intervals of 1mm, and the conical ribs can pierce into the cable protection sleeve.

3. The double-cone compression connection structure of a radio frequency leaky cable connector as claimed in claim 1, further comprising: preceding insulator (1), rear insulator (5), inner core (6), insulating piece (7), preceding insulator (1) with rear insulator (5) are all installed the inside of preceding shell (2), install inner core (6) the inside of preceding shell (2), inner core (6) are the tubular metal resonator from the tail end of preceding shell (2) begins to extend right along the coaxial direction of preceding shell (2), inner core (6) external diameter is less than the internal diameter of preceding shell (2) tail end, the first end of insulating piece (7) with the left end of inner core (6) links to each other, the second end of insulating piece (7) with the tail end inner wall of preceding shell (2) links to each other, insulating piece (7) can with the outer conductor terminal surface of cable with effectively separate between inner core (6), prevent to produce three and intervene intermodulation interference.

4. The structure of claim 3, wherein the inner core (6) can be inserted into the cable by wrapping the outer portion of the metal core of the cable, and when the clamping ring (8) is retracted inward, the inner core (6) and the clamping ring (8) approach each other to clamp the outer conductor of the cable.

5. The double-cone compression connection structure of a radio frequency leaky cable connector as claimed in claim 1, further comprising: first sealing washer (4), second sealing washer (10), the thread groove of preceding shell (2), first sealing washer (4) tightly overlaps in the recess, compress tightly the connection between back shell (11), first sealing washer (4), preceding shell (2), second sealing washer (10) tightly overlaps on the cable, second sealing washer (10) are located the right side of back clamping ring (9), the right-hand member of back shell (11) is to the internal contraction will second sealing washer (10) restriction is in back shell (11), compress tightly between cable, second sealing washer (10), back shell (11) and link to each other.