CN217691994U - Structure of SMP broadband phase-shifting cable assembly - Google Patents

Abstract

The utility model relates to a structure of an SMP broadband phase-shifting cable component, which comprises a connector main body; the connector main part includes shell one and shell two, this practicality adopts PTFE insulating medium to support, shortens the unsupported section of inner conductor, guarantees the axiality, increases the range of shifting the phase, optimizes the phase shift structure simultaneously, increases the clamping ring, deviates from when effectively preventing the biggest phase shift distance, and simple structure, simple to operate has that the shock resistance is strong, connect advantages such as reliable, electrical property is good, and the wide application is in radio equipment and instrument under wide band, the long phase shift scope or have the vibration condition.

Description

Structure of SMP broadband phase-shifting cable assembly

Technical Field

The utility model relates to an electrical connection equipment technical field especially relates to a structure of SMP wide band phase shift cable subassembly.

Background

The cable assembly is used for connecting different electronic equipment systems or electrical connecting assemblies among subsystems and consists of various insulated wires, shielded wires and electrical connectors; with the wide application of cable components in the field of communication, the requirements on the stability, service life and environmental resistance of the electrical performance of the cable components are higher and higher.

The conventional connectors at present have the following technical disadvantages:

1. the phase shifting part of the conventional connector adopts an air medium, an inner conductor is unsupported, the telescopic distance is limited, and the wide band cannot be met, so that the phase shifting distance is short, the coaxiality of a product cannot be ensured, and the index consistency is poor;

the phase-shifting part of the conventional connector is easy to be separated for multiple times after long-term use, the inner conductor and the cable core wire are easy to cause core wire deflection or breakage in the multiple insertion and separation process, the structure is unreliable, and the structure is complex and the installation difficulty is higher in the phase modulation process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a SMP broadband moves structure of looks cable subassembly to prior art not enough, having solved all adoption air medium among the current device, move the phase section inner conductor and do not have the support, scalable distance is limited, can't satisfy the broadband, the long distance moves the operation requirement's under the environment problem of shifting the phase.

The utility model discloses an adopt following technical scheme to realize:

a structure of an SMP broadband phase-shifting cable assembly comprises a cable and a connector main body arranged on the cable, wherein the connector main body comprises a first shell, a second shell, a contact pin, a jack, a first insulator, a second insulator, a third insulator and an inner conductor;

the novel plug connector is characterized in that a second insulator and a contact pin are arranged in the first shell, a jack is arranged in the second insulator, a first insulator and a third insulator are arranged in the second shell, inner conductors are arranged in the first insulator and the third insulator, and two ends of the contact pin are connected with the jack and the inner conductors respectively.

Preferably, the right end of the jack is provided with a first open slot with an elastic flap; the left end of the contact pin is inserted into the first groove, and the right end of the contact pin is welded with the inner conductor.

Preferably, the connector main body further comprises a first contact and a second contact, the right ends of the first contact and the second contact are respectively arranged in the first shell and the second shell, and the left ends of the first contact and the second contact are respectively provided with a second open slot with an elastic flap.

Preferably, the connector main body further comprises a threaded sleeve, a clamping ring is arranged on the second shell, a clamping groove is formed in the right end of the threaded sleeve, the clamping ring is rotatably connected in the clamping groove, and the left end of the threaded sleeve is in threaded connection with the first shell.

Preferably, the connector body further comprises a press ring, and the press ring is press-fitted in the first shell; the left end of the compression ring is of a cylindrical structure with step transition, and the right end of the compression ring is of a circular wall structure.

Preferably, the connector body further includes an insulating sheet that is fitted over the inner conductor on the outer cable core.

Preferably, the connector body further comprises a bushing, the bushing is press-fit in the second housing, and the bushing is welded with the external cable shielding layer.

Preferably, the insulation sheet, the first insulator, the second insulator and the third insulator all adopt polytetrafluoroethylene.

Preferably, the first contact head is sequentially sleeved with an anti-shaking ring and a movable flange.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the medium part is supported by Polytetrafluoroethylene (PTFE) insulating medium, so that the unsupported section of the inner conductor is shortened, the coaxiality is ensured, and the phase shift range is enlarged;

2. the phase shift structure is optimized, the compression ring is added, the separation of the phase shift structure from the compression ring in the maximum phase shift distance is effectively prevented, the structure is simple, and the installation is convenient;

3. the phase shift connection position of the inner conductor and the outer conductor is elastically connected by adopting a contact head, so that the elastic contact of the inner wall and the outer wall is ensured, and the connection is reliable and smooth;

4. the SMP end connector is simple and reliable, can be quickly plugged and pulled out, can adapt to a small installation space, and reduces the labor intensity.

Drawings

The utility model is further described with the following drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the jack of the present invention;

fig. 3 is a schematic view of the structure of the contact pin of the present invention;

fig. 4 is a schematic view of the inner conductor structure of the present invention;

fig. 5 is a schematic structural view of a second contact of the present invention;

fig. 6 is a schematic view of a structure of the insulator of the present invention;

FIG. 7 is a schematic view of the structure of the pressing ring of the present invention;

fig. 8 is a schematic view of the thread insert structure of the present invention;

fig. 9 is a schematic view of the nut structure of the present invention.

Description of the reference numerals

1. A first contact head; 2. a second contact head; 3. inserting a pin; 4. a jack; 5. an inner conductor; 6. an insulating sheet; 7. a first insulator; 8. a second insulator; 9. a third insulator; 10. a bushing; 11. pressing a ring; 12. a first shell; 13. a second shell; 14. a nut; 15. a threaded sleeve; 16. a snap ring; 17. An anti-sway ring; 18. a movable flange.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they 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.

Example (b):

referring to fig. 1 to 9, a structure of an SMP broadband phase-shifting cable assembly includes a cable and a connector body disposed on the cable, wherein the connector body adopts an SMP series radio frequency coaxial connector;

the connector main body comprises a first shell 12, a second shell 13, a contact pin 3, a jack 4, an insulating sheet 6, a first insulator 7, a second insulator 8, a third insulator 9, an inner conductor 5, a first contact 1, a second contact 2, a bushing 10, a pressing ring 11 and a threaded sleeve 15;

a contact head I1, a contact pin 3 and a pressing ring 11 are sequentially arranged in a shell I12, an insulator II 8 is arranged in the contact head I1, a jack 4 is arranged in the insulator II 8, the plug pin 3 is inserted into the jack 4 and is pressed in the shell I12 together with the pressing ring 11;

a second contact 2, an inner conductor 5, an insulating sheet 6 and a bushing 10 are sequentially arranged in the second shell 13, a third insulator 9 and a first insulator 7 are sequentially arranged in the second contact 2, the inner conductor 5 is welded with the contact pin 3, the insulating sheet 6 is sleeved on the inner conductor 5 on the external cable core wire, the bushing 10 is welded with the external cable shielding layer, and the bushing 10 is press-fitted in the second shell 13;

in the embodiment, the insulating sheet 6, the first insulator 7, the second insulator 8 and the third insulator 9 all adopt Polytetrafluoroethylene (PTFE) insulating media for supporting and mounting the inner conductor 5;

in the embodiment, two nuts 14 are respectively screwed on the first shell 12 and the second shell 13; the left end of the screw sleeve 15 is in threaded connection with the first shell 12, the right end of the screw sleeve is provided with a clamping groove, the second shell 13 is provided with a clamping ring 16, and the clamping ring 16 is rotatably connected in the clamping groove; the first shell 12 and the second shell 13 are used as a first outer conductor and a second outer conductor, the first shell 12 is axially moved by adopting threaded connection on the threaded sleeve 15, the axial telescopic function of the connector main body can be realized, the threaded sleeve 15 and the second shell 13 can relatively rotate by using the snap ring 16, and when the connector main body is moved to a proper phase, the moved threaded sleeve 15 is locked forwards and backwards by using the two nuts 14, so that the phase fixation is realized;

in this embodiment, the left end of the jack 4 is an SMP standard interface, the right end is a phase shift portion, and the jack is matched with the pin 3 to achieve expansion and contraction in the hole, so as to achieve the purpose of phase shift, the jack 4 is further provided with a first open groove which is an elastic member for performing closing-up treatment and has an elastic flap, when the pin 3 is inserted, the elastic flap will expand and then close up, a certain radial force is generated on the pin 3 to ensure sidewall contact, and when the pin 3 is inserted, reliable contact is ensured;

in the embodiment, the inner conductor 5 is welded with the contact pin 3 and is supported by an insulating medium formed by combining an insulator I7 and an insulator III 9 (refer to FIG. 6), and the inner conductor and the insulator III are fixed together in the contact II 2;

in this embodiment, referring to fig. 5, the first contact 1 and the second contact 2 are both provided with a second slot, which is an elastic member, and ensure reliable contact during mutual insertion, and normally are in an expanded state, when the second contact 2 is inserted into the compression ring 11, the elastic lobe thereof is constrained by the compression ring, and a certain radial force is generated to ensure sidewall contact, thereby realizing reliable connection;

in this embodiment, referring to fig. 7, the press ring 11 is designed as a local press-fit structure, and the front end of the press ring is provided with a guide section, which is a cylindrical structure with a step transition, so as to facilitate guiding press-in during assembly; the circular wall is arranged at the tail of the pressure ring 11, and after the threaded sleeve 15 is screwed into the interface end, the pressure ring 11 is pressed in, so that the threaded sleeve 15 can be effectively prevented from being screwed out, locking is realized when the maximum phase-shifting distance is realized, the integral escape of the internal structure is prevented, and the structure is simple;

in the embodiment, a movable flange 18 is sleeved outside a contact head I1, the movable flange 18 comprises a flange plate and a flange, the flange plate is connected with a shell I12, the flange plate is partially sleeved on the flange plate, the flange plate can move, is convenient to mount and use and is not limited by mounting screws, an anti-shaking ring 17 is sleeved on the contact head I1, the anti-shaking ring 17 is a matched connecting piece of an SMP series radio frequency coaxial connector, and plays a role in guiding the SMP series radio frequency coaxial connector in the subsequent opposite insertion process with a J-type socket;

in the present embodiment, as shown in fig. 1, the structure is assembled in the order: installing an interface end: the movable flange 18 is sleeved on the contact head 1 and then pressed into the first shell 12 together, the movable flange 18 of the security card can flexibly rotate without clamping stagnation and then is welded by using a soldering tin wire; the jack 4 is pressed into the insulator II 8 and is pressed into the piece shell I12 together, so that the size of an interface end is ensured;

phase shift part installation: one nut 14 is screwed into the first shell 12, and then the threaded sleeve 15 is screwed into the hexagonal bottom of the first shell 12 and pressed into the pressing ring 11; then the second contact 2 is pressed into a second shell 13, a clamping ring 16 is arranged in the second shell 13, a threaded sleeve 15 is pressed into the clamping ring 16, the clamping ring 16 is required to rotate flexibly and not to be clamped, and finally another nut 14 is screwed into the second shell 13 and provided with an anti-shaking ring 17;

welding a cable at the tail part: the first insulator 7 and the third insulator 9 are sequentially installed in the inner conductor 5, then the pin 3 is welded with the inner conductor 5 combination, the insulation sheet 6 penetrates through the cable core wire to be welded with the inner conductor 5, the bushing 10 is welded with the cable shielding layer, and finally the second insulator 13 is pressed into the outer shell.

The utility model is verified by various experiments such as vibration, warm punching and the like, and is applicable to the environments such as the ground, the vehicle and the like; the device can meet the requirements of 0-40 degrees of phase shift range, 7mm of phase shift distance, less than or equal to 1.25 standing waves, simple structure, convenient installation, strong shock resistance, reliable connection, excellent electrical property and the like under the frequency band of 5 GHz-7 GHz, is widely applied to radio equipment and instruments under the conditions of wide frequency band, long phase shift range or vibration, is convenient to test and install, and is worthy of large-scale use and popularization.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. A structure of an SMP broadband phase-shifting cable assembly is characterized by comprising a cable and a connector main body arranged on the cable, wherein the connector main body comprises a first shell (12), a second shell (13), a contact pin (3), a jack (4), a first insulator (7), a second insulator (8), a third insulator (9) and an inner conductor (5);

be equipped with insulator two (8) and contact pin (3) in shell (12), be equipped with jack (4) in insulator two (8), be equipped with insulator one (7), insulator three (9) in shell two (13), be equipped with inner conductor (5) in insulator one (7) and insulator three (9), contact pin (3) both ends are connected with jack (4), inner conductor (5) respectively.

2. The SMP broadband phase-shift cable assembly structure of claim 1, wherein the right end of the insertion hole (4) is provided with a first slot with elastic flap; the left end of the contact pin (3) is inserted into the first groove, and the right end of the contact pin is welded with the inner conductor (5).

3. The structure of the SMP broadband phase-shift cable assembly according to claim 1, wherein the connector body further includes a first contact (1) and a second contact (2), the right ends of the first contact (1) and the second contact (2) are respectively disposed in the first shell (12) and the second shell (13), and the left ends of the first contact (1) and the second contact (2) are respectively provided with a second slot having an elastic flap.

4. The SMP broadband phase-shift cable assembly structure of claim 1, wherein the connector body further comprises a threaded sleeve (15), the second housing (13) is provided with a snap ring (16), a slot is arranged in a right end of the threaded sleeve (15), the snap ring (16) is rotatably connected in the slot, and a left end of the threaded sleeve (15) is in threaded connection with the first housing (12).

5. The SMP broadband phase-shift cable assembly structure of claim 1, wherein the connector body further comprises a press ring (11), the press ring (11) press-fit into the first housing (12); the left end of the compression ring (11) is of a cylindrical structure with step transition, and the right end of the compression ring is of a circular ring wall structure.

6. The structure for an SMP broadband phase-shift cable assembly according to claim 1, wherein the connector body further comprises an insulating sheet (6), the insulating sheet (6) being sleeved over the inner conductor (5) on the outer cable core.

7. The structure of an SMP broadband phase-shift cable assembly according to claim 1, wherein the connector body further comprises a bushing (10), the bushing (10) being press-fit into the second housing (13), the bushing (10) being soldered to the external cable shield.

8. The SMP broadband phase-shift cable assembly structure of claim 6, wherein the insulating sheet (6), the first insulator (7), the second insulator (8), and the third insulator (9) are all made of ptfe.

9. The structure of an SMP broadband phase-shift cable assembly according to claim 3, wherein the first contact (1) is sleeved with an anti-sloshing ring (17) and a movable flange (18) in sequence.

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