CN105071172B - Rectangular high and low frequency mixed connector assembly - Google Patents

Abstract

The invention provides a rectangular high and low frequency mixed connector assembly, which includes a plug and a socket. There are socket high-frequency accessories and socket low-frequency accessories. There is an ear plate on both sides of the plug shell. A screw cover is fixed on the ear plate. A screw is installed in the screw cover. The front end of the screw passes through the ear plate. Spring washer; there is a flange on the left and right sides of the socket housing, and a stud is fixed on the flange. match. The connector assembly can transmit multiple low-frequency signals and multiple high-frequency signals at the same time to realize stable transmission of power, differential and radio frequency signals. There is not only end-face contact but also elastic contact between high-frequency accessories, which fully guarantees the high-frequency signal stable transmission.

Description

Rectangular high and low frequency mixed connector assembly

technical field

The invention belongs to the field of electrical connectors, in particular to a rectangular high and low frequency mixed connector assembly.

Background technique

With the rapid development of military equipment technology, system equipment is gradually required to be miniaturized, modularized, integrated, easy to maintain, and easy to replace, and the system transmission signal is becoming more and more complex, and it is often necessary to transmit multiple channels simultaneously stably and reliably. High frequency and multiple low frequency signals. In order to simultaneously realize the transmission of high frequency and low frequency signals in a limited space, it is necessary to develop suitable high frequency and low frequency mixed connectors according to user needs.

Most of the existing electrical connectors are used independently for low frequency and high frequency. Of course, there are also a small number of high and low frequency mixed connectors. However, the existing high and low frequency mixed connectors are often fixed with their high and low frequency accessories on the corresponding However, in order to ensure that the high-frequency and low-frequency accessories do not interfere with each other, it is necessary to uniformly arrange the high-frequency and low-frequency parts on the shell to isolate them electromagnetically through the shell, which results in The non-replacement of the high-frequency and low-frequency accessories, once a part of them is damaged during the working process, will result in the scrapping of the high-low frequency mixed connector as a whole, which obviously causes great waste.

In addition, most of the existing high and low frequency mixed connectors do not have a corresponding anti-mis-insertion structure, and errors often occur during use.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the defects of the prior art, and provide a rectangular high-low frequency mixed connector assembly, which can simultaneously transmit multiple low-frequency signals and multiple high-frequency signals, and realize power supply, differential and The stable transmission of radio frequency signals, not only end-face contact but also elastic contact between high-frequency accessories, fully guarantees the stable transmission of high-frequency signals.

In order to solve the above technical problems, the technical solution adopted by the present invention is to provide a rectangular high and low frequency mixed connector assembly, including a plug and a socket, the plug and the socket each use the front end as the insertion end, the plug includes a plug shell, and the plug shell There is a high-frequency accessory installation hole on the front side of the body, and a plug high-frequency accessory is installed in the high-frequency accessory installation hole. The wall surface and the inner wall surface of the high-frequency accessory installation hole are respectively provided with opposite step surfaces, and the spring top is installed between the two step surfaces; the front side of the plug housing has a plug low-frequency accessory installation hole, and the low-frequency accessory installation hole There are plug low-frequency accessories inside; there is an ear plate on the left and right sides of the plug housing, and a screw sleeve is fixed on the ear plate, and a screw is installed in the screw sleeve, and the front end of the screw passes through the ear plate, and there is a spring washer between the nut of the screw and the screw sleeve ;

The socket includes a socket housing and a gasket. The rear side of the socket housing is equipped with a socket high-frequency accessory and a socket low-frequency accessory. The gasket is installed in the socket housing. Pass through; there is a flange on the left and right sides of the socket housing, and a stud is fixed on the flange. The front end of the stud passes through the flange, and a threaded hole is opened at the rear end of the stud. match.

For the sake of simple description, the rectangular high-low frequency mixed connector assembly described in the present invention is referred to as this assembly for short.

When the plug of this component is mated with the socket, the screw is inserted into the threaded hole of the stud, and then the high-frequency accessory of the plug is mated with the high-frequency accessory of the socket, and the low-frequency accessory of the plug is mated with the low-frequency accessory of the socket. Under the pressure of the frequency accessory spring, each contact piece forms an elastic contact, and the mating interface is maintained to ensure low contact resistance under vibration conditions. This component still has good radio frequency performance, thereby simultaneously realizing power supply, differential , Good transmission of radio frequency signals.

The rectangular high-low frequency mixed connector assembly of the present invention has two pairs of high-frequency accessories and a pair of low-frequency accessories, and can simultaneously transmit multiple low-frequency signals and multiple high-frequency signals in a limited space to realize power supply, differential and radio frequency signals stable transmission. The plug and the socket can be inserted through the screw on the plug housing and the threaded hole on the stud of the socket housing, and the connector assembly can be fixed on the user panel through the stud of the socket housing. The assembly time is short, and the installation, It is easy to disassemble, saving time and effort. The screw sleeve can make the screw and the gasket slide back and forth in the screw sleeve without falling off, which not only reduces the installation size, but also reduces the difficulty of assembly.

The rear end of the plug housing is fixed with a wire sheath, and the wire clamping plate is fixed on the wire sheath to protect the cable from damage.

The high-frequency accessory of the plug is composed of a high-frequency housing, a contact head, an insulator and a high-frequency jack contact, the snap ring is pressed into the contact head, the contact head is welded in the high-frequency housing, and the inner wall of the high-frequency housing has a Step surface, there is a gasket between the contact head and the step surface, the tail end of the contact head is fixed by a boot, the insulator is welded to the high-frequency jack contact, and pressed into the high-frequency shell; it is mated with the high-frequency accessory of the socket When using the spring, the overall floating of the plug and the socket and the interface maintenance after mating are realized by using the spring. Moreover, the contact area of the outer surface of the high-frequency housing is increased through the contact head, which fully ensures the stable and reliable transmission of high-frequency signals.

The low-frequency accessory of the plug includes an upper mounting plate, a lower mounting plate and a low-frequency jack contact piece, the low-frequency jack contact piece is loaded into the lower mounting plate, and there is a positioning card slot on the lower mounting plate, and the boss of the low-frequency jack contact piece is located at the positioning In the card slot, the upper mounting plate is fixed at the front of the lower mounting plate;

The high-frequency accessories of the socket include a high-frequency housing, an insulator and a high-frequency pin contact. The end of the high-frequency housing is beveled. There are insulators between the walls, and the end of the high-frequency shell is welded with a pressure ring; the bevel at the end of the high-frequency shell can avoid damage to the plug shell when mating.

The socket low-frequency accessory includes an upper mounting plate, a lower mounting plate and pin contacts, the pin contacts are mounted on the upper mounting plate and the lower mounting plate, and the upper mounting plate and the lower mounting plate are fixedly installed in the socket housing.

The screw sleeve is fixed on the plug housing by pressing riveting first and then riveting. The screw and the washer can slide back and forth in the screw sleeve without falling off, which not only reduces the installation size, but also reduces the difficulty of assembly.

The outer diameters of the two screws on the plug housing are not equal, and correspondingly, the outer diameters of the two studs on the socket housing are also not equal, which can prevent the plug housing from being inserted into the socket housing by mistake and protect the socket contacts not be damaged.

The component can realize the transmission of high-frequency and low-frequency signals at the same time, saves cost, improves assembly efficiency, and is easy to maintain.

Description of drawings

Fig. 1 is a schematic diagram of the appearance of the plug of the rectangular high and low frequency mixed connector assembly of the present invention;

Fig. 2 is a schematic structural view of the plug of the rectangular high-low frequency mixed connector assembly of the present invention;

Fig. 3 is a schematic structural view of the plug high-frequency accessory of the rectangular high-low frequency mixed connector assembly of the present invention;

Fig. 4 is a schematic structural view of the low-frequency plug accessory of the rectangular high-low frequency mixed connector assembly of the present invention;

Fig. 5 is a schematic diagram of the appearance of the socket of the rectangular high-low frequency mixed connector assembly of the present invention;

Fig. 6 is a schematic structural view of the socket of the rectangular high-low frequency mixed connector assembly of the present invention;

Fig. 7 is a schematic structural view of the socket high-frequency accessory of the rectangular high-low frequency mixed connector assembly of the present invention.

detailed description

In order to understand the present invention more clearly, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

The rectangular high and low frequency mixed connector assembly, as shown in Figures 1 to 7, includes a plug 100 and a socket 200. The front end of the plug 100 is used as the insertion end, and includes a plug housing 109. The plug housing 109 is a rectangular aluminum alloy. The housing also has a high-frequency accessory installation hole and a low-frequency accessory installation hole. A plug high-frequency accessory 101 is installed in the high-frequency accessory installation hole. The insulator 18 and the high-frequency jack contact piece 17 are composed, the snap ring 12 is pressed into the contact head 14, and the contact head 14 is welded in the high-frequency housing 13. The inner wall of the high-frequency housing 13 has a stepped surface, and the contact head 14 and There are gaskets 15 between the stepped surfaces, the tail end of the contact head 14 is fixed by a boot 11, the insulator 16 is welded with the high-frequency socket contact piece 17, and pressed into the high-frequency housing 13, and the outer wall of the high-frequency housing 13 There is a groove, and there is a collar 108 in the groove. The plug high-frequency accessory 101 is floatingly assembled in the high-frequency accessory installation hole through the spring 102 along the insertion direction. The walls are respectively provided with opposite step surfaces, and the spring 102 is installed between the two step surfaces, and the end of the high-frequency jack contact 17 is a round hole double-slot elastic structure, which adopts high elasticity, It is made of beryllium bronze hard copper alloy with advantages of wear resistance, high temperature resistance and fatigue resistance. The material also has good stress relaxation resistance in high temperature environment, which can guarantee the mechanical life of 500 times and the stable and reliable signal transmission under vibration conditions. The front side of the plug housing 109 has a plug low-frequency accessory installation hole, and the plug low-frequency accessory is equipped in the low-frequency accessory installation hole. The plug low-frequency accessory includes an upper mounting plate 103, a lower The hole contact piece 111 is a round hole with two petal grooves. The low-frequency jack contacts 111 are installed into the lower mounting plate 104, and the lower mounting plate 104 has a positioning slot 114, the boss 115 of the low-frequency jack contact 111 is located in the positioning slot 114, and the upper mounting plate 103 is fixed on the lower mounting plate 104 At the front, the inner wall of the low-frequency accessory mounting hole has a groove, and a snap ring 110 is installed in the groove for fixing the positions of the upper mounting plate 103 and the lower mounting plate 104 . There is an ear plate on the left and right sides of the plug housing 109, and a screw sleeve 107 is fixed on the ear plate. The screw sleeve 107 is fixed on the plug housing 109 by first pressing and then riveting, and the screw sleeve 107 is equipped with a screw 106, the front end of the screw 106 passes through the ear plate, and there is a spring washer 105 between the nut of the screw 106 and the screw sleeve 107, so that the screw 106 and the spring washer 105 can slide back and forth in the screw sleeve 107 without falling off, which reduces the installation cost. The size reduces the difficulty of assembly, and the outer diameters of the two screws 106 are not equal. A grommet 112 is fixed on the rear end of the plug housing 109, and a clamping plate 113 is fixed on the grommet 112, which can protect the cables from damage. When mating with the high-frequency accessory 210 of the socket, the spring 102 is used to realize the overall floating of the plug 100 and the socket 200 and the interface maintenance after mating, and the locking of the plug 100 and the socket 200 is realized by using the screw 106 on the plug housing 109 .

The socket 200 takes its front end as the plug-in terminal, and includes a socket housing 203, a gasket 205 and a gasket 210. The rear side of the socket housing 203 is equipped with a socket high-frequency accessory 210 and a socket low-frequency accessory. The socket high-frequency accessory 210 Including high-frequency shell 21, insulator 22, insulator 25 and high-frequency pin contact 24, the end of high-frequency shell 21 is beveled to avoid damage to plug shell 109 when mating, and high-frequency pin contact 24 Located in the high-frequency housing 21, separated from the inner wall of the high-frequency housing 21 by an insulator 22 and an insulator 25, the end of the high-frequency housing 21 is welded with a pressure ring 26, and there is a groove on the outer wall of the high-frequency housing 21. There is a snap ring 23 in the groove, which is used to fix the position of the high-frequency accessory 210 of the socket. The socket low-frequency accessories include an upper mounting plate 207, a lower mounting plate 206 and a low-frequency pin contact 204, and the low-frequency pin contact 204 is installed on the upper mounting plate 207 and the lower mounting plate 206, and the upper mounting plate 207 and the lower mounting plate 206 is fixedly installed in the socket housing 203 . The gasket 205 is installed in the socket housing 203, the socket high-frequency accessories 210 and the low-frequency pin contacts 204 pass through the holes of the gasket 205, and the gasket 210 is located on the front end of the socket housing 203; the socket housing There is a flange on the left and right sides of 203, on which a stud 201 is fixed, and the front end of the stud 201 passes through the flange and the gasket 210 and is exposed outside the socket housing 203, between the nut of the stud 201 and the flange There is a standard spring washer 202, the rear end of the stud 201 has a threaded hole 211, the threaded hole 211 is adapted to the screw 106 of the plug housing 109, and the socket 200 is fixed on the socket 200 through the stud 201 and the standard spring washer 202 On the user's panel, the screw 106 cooperates with the threaded hole 211 to prevent errors between the plug 100 and the socket 200 .

In this embodiment, the plug housing 109, the socket housing 203, the wire guard 112 and the clamping plate 113 are made of aluminum alloy with high hardness, and the upper mounting plate 103 and the lower mounting plate 104 are made of reinforced flame-retardant PBT material , Manufactured by mold, not only has good mechanical strength and dimensional stability, but also is light in weight and environment-resistant. It is made of copper alloy with good elasticity, manufactured by precision machining, and the surface is plated with hard gold.

The foregoing is only a specific embodiment of the present invention, and is not a limitation of the present invention. Any changes or modifications made by those skilled in the art by using the above technical content shall be regarded as Belong to the protection scope of the present invention.

Claims (4)

1. Rectangular high and low frequency mixed connector assembly, including a plug and a socket. The front end of the plug and socket is used as the insertion end. The high-frequency accessory of the plug is installed in the installation hole, and the high-frequency accessory of the plug is floated in the installation hole of the high-frequency accessory through the spring along the insertion direction. The opposite step surface, the spring top is mounted between the two step surfaces; the front side of the plug housing has a plug low-frequency accessory installation hole, and the low-frequency accessory installation hole is equipped with a plug low-frequency accessory; the left and right sides of the plug housing are respectively There is an ear plate, a screw sleeve is fixed on the ear plate, a screw is installed in the screw sleeve, the front end of the screw passes through the ear plate, and a spring washer is arranged between the nut of the screw and the screw sleeve; The socket includes a socket housing and a gasket. The rear side of the socket housing is equipped with a socket high-frequency accessory and a socket low-frequency accessory. The gasket is installed in the socket housing. Pass through; there is a flange on the left and right sides of the socket housing, and a stud is fixed on the flange. The front end of the stud passes through the flange, and a threaded hole is opened at the rear end of the stud. match; It is characterized by: The high-frequency accessory of the plug is composed of a high-frequency housing, a contact head, an insulator and a high-frequency jack contact, the snap ring is pressed into the contact head, the contact head is welded in the high-frequency housing, and the inner wall of the high-frequency housing has a Step surface, there is a gasket between the contact head and the step surface, the tail end of the contact head is fixed by a boot, the insulator is welded to the high-frequency jack contact, and pressed into the high-frequency housing; The low-frequency accessory of the plug includes an upper mounting plate, a lower mounting plate and a low-frequency jack contact piece, the low-frequency jack contact piece is loaded into the lower mounting plate, and there is a positioning card slot on the lower mounting plate, and the boss of the low-frequency jack contact piece is located at the positioning In the card slot, the upper mounting plate is fixed at the front of the lower mounting plate; The high-frequency accessory of the socket includes a high-frequency housing, an insulator and a high-frequency pin contact. The high-frequency pin contact is located in the high-frequency housing and is separated from the inner wall of the high-frequency housing by an insulator. Welded pressure ring; The socket low-frequency accessory includes an upper mounting plate, a lower mounting plate and pin contacts, the pin contacts are mounted on the upper mounting plate and the lower mounting plate, and the upper mounting plate and the lower mounting plate are fixedly installed in the socket housing. 2. The rectangular high and low frequency mixed connector assembly according to claim 1, characterized in that: a wire sheath is fixed at the rear end of the plug housing, and a wire clamping plate is fixed on the wire sheath. 3. The rectangular high-low frequency mixed connector assembly according to claim 1, wherein the screw sleeve is fixed on the plug housing by first pressing and then riveting. 4. The rectangular high and low frequency mixed connector assembly according to claim 1, characterized in that: the outer diameters of the two screws on the plug housing are not equal, and the outer diameters of the two studs on the socket housing are also different. equal.