CN210744213U - High-reliability sealed radio frequency connector - Google Patents

Abstract

The utility model provides a high-reliable sealed radio frequency connector, this radio frequency connector include casing, back insulator, casting glue, preceding insulator, holding ring, switching jack, contact pin, insulating pad, welding ring. The utility model discloses a radio frequency connector structure need not carry out sintering treatment, can satisfy airtight requirement, and the jack is with the contact pin switching with the wire in addition, and assembly process is simple to the jack need not be done very long, realizes easily in the machining skill. The connector can be used in cooperation with a radio frequency connector with the same interface, the transmission function of high-frequency signals is achieved, the use requirements of environments such as high impact and strong vibration can be met, and meanwhile the requirement of air sealing can also be met.

Description

High-reliability sealed radio frequency connector

Technical Field

The utility model belongs to the technical field of the radio frequency connector, a high reliable sealed radio frequency connector is provided very much. The method is applied to the fields of communication equipment, aviation, aerospace, outdoor wireless transmission systems and the like.

Background

In order to be able to use a highly reliable rf interconnection system on a wall-penetrating device in a field communication system, it is necessary to provide an rf connector with a sealing function.

The radio frequency connector which is commonly applied at present loses elasticity due to the high temperature of the elastic jack, so that the connector provided with the jack cannot realize the traditional air sealing processes such as sintering, embedding plastic compression and the like; and the pin-mounted connector can not be directly connected with a lead, so that the sintered pin-mounted connector (adapter) needs to be matched with two plugs for use, and the occupied space is large, and the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a can satisfy airtight requirement, assembly process is simple and can realize the high reliable sealed radio frequency connector of high frequency transmission.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-reliability sealed radio frequency connector comprises a shell, a rear insulator, pouring sealant, a front insulator, a positioning ring, a switching jack, a contact pin, an insulating pad and a welding ring, wherein the front insulator is arranged on the shell; the back insulator interference fit installs in the casing, switching jack axial installation is in the vestibule of back insulator, the periphery cover at switching jack front end is equipped with preceding insulator, adopt the potting compound embedment between switching jack periphery between preceding insulator and the back insulator and the casing, the cover is equipped with the holding ring on preceding insulator, interference fit installation between holding ring and the casing, it is spacing to preceding insulator, when switching jack and wire wiring, the wire shielding layer welds together with the welding ring, weld with the contact pin after the suit insulation pad on the wire sinle silk, send into the switching jack with the contact pin that welds and realize the termination of wire and connector.

Further, the insulating pad is in contact with the end face of the adaptor socket and is disposed inside the rear insulator.

Further, the front end face of the weld ring is in contact with the rear end face of the rear insulator and is disposed inside the housing.

Furthermore, the switching jack comprises a cylindrical jack body, a first hole cavity and a second hole cavity are axially formed in the front end and the rear end of the jack body inwards, the first hole cavity is a plug hole, the second hole cavity is a switching hole for inserting a contact pin, a first ring surface, a second ring surface, a third ring surface and a fourth ring surface are sequentially arranged on the periphery of the jack body from front to back, the outer diameter of the fourth ring surface is larger than that of the first ring surface and larger than that of the third ring surface, the outer diameter of the second ring surface is larger than that of the fourth ring surface and smaller than that of the first ring surface, the rear insulator is in a hollow cylinder shape and is sleeved on the periphery of the fourth ring surface, the pouring sealant is arranged on the periphery of the third ring surface, the front insulator comprises a hollow cylinder body, an annular boss extending towards the periphery is arranged at one end of the cylinder body, and the hollow cylinder body is sleeved on the peripheries of the first ring surface and the second ring surface of, the tail end face of the annular boss is in contact with the front end face of the third annular face of the jack body, and the front end face of the hollow cylindrical body is flush with the front end face of the jack body.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a radio frequency connector structure need not carry out sintering treatment, can satisfy airtight requirement, and the jack is with the contact pin switching with the wire in addition, and assembly process is simple to the jack need not be done very long, realizes easily in the machining skill. The connector can be used in cooperation with a radio frequency connector with the same interface, the transmission function of high-frequency signals is achieved, the use requirements of environments such as high impact and strong vibration can be met, and meanwhile the requirement of air sealing can also be met.

The utility model discloses a holding ring and casing interference fit, the effect that insulator removed before the restriction can be played on the one hand, and on the other hand can realize better electromagnetic shield's effect, makes it play the effect of better shielding continuity. In addition, the welding ring can limit the lead, and the insulator behind the part is prevented from being damaged by excessive force during assembly.

To sum up, the utility model discloses a high reliable sealed radio frequency connector has high accuracy, airtight, operation simple process, anti-electromagnetic interference, resistant extreme environment, high performance such as reliable. Particularly, under the airtight condition, the connector not only can ensure the excellent transmission of signals, but also can prolong the service life of the connector.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the external structure of FIG. 1;

fig. 3 is a schematic structural view of the switching jack of the present invention;

in the figure: 1-a shell; 2-rear insulator; 3-pouring sealant; 4-a front insulator; 4-1-cylinder body; 4-2-annular boss; 5-a positioning ring; 6-switching jack; 6-1-a first bore; 6-2-a second bore; 6-3-first annulus; 6-4-second annulus; 6-5-third annulus; 6-6-fourth annulus; 7-inserting a pin; 8-an insulating pad; 9-welding the ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a high-reliability sealed radio frequency connector comprises a housing 1, a rear insulator 2, a potting adhesive 3, a front insulator 4, a positioning ring 5, a switching jack 6, a pin 7, an insulating pad 8 and a welding ring 9; the back insulator 2 interference fit installs in casing 1, switching jack 6 axial is installed in the vestibule of back insulator 2, the periphery cover at switching jack 6 front end is equipped with preceding insulator 4, adopt the embedment of casting glue 3 between switching jack 6 periphery between insulator 4 and back insulator 2 and casing 1 in the front, the cover is equipped with holding ring 5 on insulator 4 in the front, interference fit installs between holding ring 5 and the casing 1, it is spacing to preceding insulator 4, when switching jack 6 and wire wiring, the welding of wire shielding layer and weld ring 9 is in the same place, weld with contact pin 7 behind the suit insulating pad 8 on the wire sinle silk, send into switching jack 6 with welded contact pin 7 and realize the termination of wire and connector.

The insulating pad 8 is in contact with the end face of the adaptor socket 6 and is disposed inside the rear insulator 2.

The front end face of the weld ring 9 is in contact with the rear end face of the rear insulator 2 and is disposed inside the case 1.

Referring to fig. 3, the adapting jack 6 includes a cylindrical jack body, a first hole cavity 6-1 and a second hole cavity 6-2 are axially formed at the front end and the rear end of the jack body, the first hole cavity 6-1 is a plug hole, the second hole cavity 6-2 is an adapting hole for inserting a pin 7, a first ring surface 6-3, a second ring surface 6-4, a third ring surface 6-5 and a fourth ring surface 6-6 are sequentially arranged on the periphery of the jack body from front to back, the outer diameter of the fourth ring surface 6-6 is larger than the outer diameter of the first ring surface 6-3 and larger than the outer diameter of the third ring surface 6-5, the outer diameter of the second ring surface 6-4 is larger than the outer diameter of the fourth ring surface 6-6 and smaller than the outer diameter of the first ring surface 6-3, the rear insulator 2 is in a hollow cylindrical shape and is sleeved on the periphery of the fourth ring surface 6-6, the pouring sealant 3 is arranged on the periphery of the third ring surface 6-5, the front insulator 4 comprises a hollow cylinder body 4-1, an annular boss 4-2 extending towards the periphery is arranged at one end of the cylinder body 4-1, the hollow cylinder body 4-1 is sleeved on the peripheries of the first ring surface 6-3 and the second ring surface 6-4 of the jack body, the tail end face of the annular boss 4-2 is in contact with the front end face of the third ring surface 6-5 of the jack body, and the front end face of the hollow cylinder body 4-1 is flush with the front end face of the jack body.

The utility model discloses a high reliable sealed radio frequency connector's assembly method, this method is realized through following step:

step one, the rear insulator 2 is arranged in the shell 1 in an interference fit manner;

step two, axially installing a fourth ring surface 6-6 of the switching jack 6 in the rear insulator 2;

pouring a pouring sealant 3 between the periphery of the third ring surface 6-5 of the switching jack 6 and the shell 1;

step four, sleeving the front insulator 4 on the transfer jack 6, tightly attaching the front insulator to the pouring sealant 3, sleeving the positioning ring 5 on the annular boss of the front insulator 4, installing the positioning ring in interference fit with the shell 1, and limiting the front insulator 4;

step five, conducting wire wiring: firstly, welding the welding ring 9 and the wire shielding layer together, then sleeving the insulating pad 8 on the wire core, welding and fixing the wire core and the contact pin 7, and finally sending the welded contact pin 7 into the second hole cavity 6-2 of the switching jack 6, thus realizing the termination of the wire.

The utility model discloses a radio frequency connector structure need not carry out sintering treatment, through overall structure's design to and adopt the casting glue to carry out the embedment at the casing and handle and can satisfy airtight requirement, the contact pin switching for jack and wire in addition, assembly process is simple, the cost is reduced, and the jack need not be done very long (the jack whole length of prior art shortens), realizes easily on the machining skill. The connector can be used in cooperation with a radio frequency connector with the same interface, the transmission function of high-frequency signals is achieved, the use requirements of environments such as high impact and strong vibration can be met, and meanwhile the requirement of air sealing can also be met.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (4)

1. A high-reliability sealed radio frequency connector is characterized by comprising a shell, a rear insulator, pouring sealant, a front insulator, a positioning ring, a switching jack, a contact pin, an insulating pad and a welding ring, wherein the shell is provided with a front end and a rear end; the back insulator interference fit installs in the casing, switching jack axial installation is in the vestibule of back insulator, the periphery cover at switching jack front end is equipped with preceding insulator, adopt the potting compound embedment between switching jack periphery between preceding insulator and the back insulator and the casing, the cover is equipped with the holding ring on preceding insulator, interference fit installation between holding ring and the casing, it is spacing to preceding insulator, when switching jack and wire wiring, the wire shielding layer welds together with the welding ring, weld with the contact pin after the suit insulation pad on the wire sinle silk, send into the switching jack with the contact pin that welds and realize the termination of wire and connector.

2. A highly reliable sealed rf connector as in claim 1, wherein said insulating pad is in contact with the end face of the transition jack and is disposed inside the rear insulator.

3. A highly reliable sealed rf connector as in claim 1, wherein the front end face of said solder ring is in contact with the rear end face of the rear insulator and is disposed inside the housing.

4. The high-reliability sealed radio frequency connector of claim 1, wherein the adaptor jack comprises a cylindrical jack body, a first bore and a second bore are axially formed at the front and rear ends of the jack body, the first bore is a plug hole, the second bore is an adaptor hole for inserting a pin, a first ring surface, a second ring surface, a third ring surface and a fourth ring surface are sequentially formed on the periphery of the jack body from front to back, the outer diameter of the fourth ring surface is larger than that of the first ring surface and is larger than that of the third ring surface, the outer diameter of the second ring surface is larger than that of the fourth ring surface and is smaller than that of the first ring surface, the rear insulator is in a hollow cylindrical shape and is sleeved on the periphery of the fourth ring surface, the potting adhesive is disposed on the periphery of the third ring surface, the front insulator comprises a hollow cylindrical body, and an annular boss extending towards the periphery is formed at one end of the cylindrical body, the periphery of the first anchor ring and the second anchor ring of jack body is overlapped to hollow cylinder body suit, and the terminal surface of annular boss contacts with the terminal surface before the third anchor ring of jack body, and terminal surface before the hollow cylinder body is parallel and level mutually with the preceding terminal surface of jack body.

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