CN219321737U

CN219321737U - Bundling MMCX interface connector

Info

Publication number: CN219321737U
Application number: CN202320472888.3U
Authority: CN
Inventors: 陈超; 倪江雄
Original assignee: Suzhou HYC Technology Co Ltd
Current assignee: Suzhou HYC Technology Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-07-07
Anticipated expiration: 2033-03-13

Abstract

The embodiment of the utility model discloses a cluster MMCX interface connector, which comprises a plug, wherein the plug comprises a structural member and a plurality of groups of cable assemblies which are combined and fixed on the structural member; the socket comprises a groove correspondingly matched with the structural part, and a plurality of MMCX female connectors are arranged in the groove; the cable assembly comprises an MMCX male connector, an SMA male connector and a coaxial cable, wherein the MMCX male connector and the SMA male connector are respectively connected and fixed at two ends of the coaxial cable so as to realize conversion from an SMA connector to the MMCX connector; the MMCX male connectors are exposed on the surface of the structural member and correspond to the MMCX female connectors one by one. The SMA connector and the MMCX connector are converted through the cable assembly, the MMCX is used for carrying out a plug test, the service life can be remarkably prolonged, and compared with the traditional SMA connector, the SMA connector has the advantages of greatly reducing the occupied area and being more miniaturized.

Description

Bundling MMCX interface connector

Technical Field

The utility model relates to the technical field of connectors. And more particularly to a bundled MMCX interface connector.

Background

The connector is taken as a basic unit for signal transmission, is widely applied to communication, military industry and aerospace systems, along with rapid development of radio, the volume of equipment such as microwave communication, mobile communication and the like increasingly tends to be miniaturized, miniaturized and integrated, the existing connector is generally an SMP interface or an SMA interface, the service life of the conventional SMP interface is 100-300 times, and the conventional SMP interface is difficult to plug and is not suitable for debugging work; the connector of the SMA interface occupies a larger space and is not suitable for miniaturized equipment.

Disclosure of Invention

In view of the foregoing, it is an object of the present utility model to provide a bundled MMCX interface connector having a small footprint and a long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bundled MMCX interface connector comprising:

the plug comprises a structural member and a plurality of groups of cable assemblies which are combined and fixed on the structural member;

the socket comprises a groove correspondingly matched with the structural part, and a plurality of MMCX female connectors are arranged in the groove;

the cable assembly comprises an MMCX male connector, an SMA male connector and a coaxial cable, wherein the MMCX male connector and the SMA male connector are respectively connected and fixed at two ends of the coaxial cable so as to realize conversion from an SMA connector to the MMCX connector;

the MMCX male connector is exposed on the surface of the structural member and corresponds to the MMCX female connector one by one, when the plug is plugged in the socket, the structural member is inserted into the groove, and the MMCX male connector and the MMCX female connector are correspondingly plugged.

Furthermore, preferably, the structural member comprises a fixing plate and a connecting plate, wherein the fixing plate comprises a first through hole, and one end of the MMCX male connector is exposed out of the surface of the fixing plate;

the connecting plate comprises a second through hole, and the other end of the MMCX male connector penetrates through the second through hole to be electrically connected with the coaxial cable.

In addition, preferably, the fixing plate comprises a first step part and a second step part protruding out of the edges of the left side and the right side of the connecting plate, the first step part and the second step part respectively comprise a first connecting hole and a second connecting hole, and fasteners are arranged in the first connecting hole and the second connecting hole.

In addition, preferably, the groove comprises a first threaded hole and a second threaded hole which are correspondingly matched with the first connecting hole and the second connecting hole;

after the plug is plugged on the socket, the fastener is screwed with the first threaded hole and the second threaded hole so as to enable the plug to be connected with the socket stably.

Furthermore, preferably, a side of the fixing plate away from the connecting plate comprises a first positioning column and a second positioning column;

the groove comprises a first positioning hole and a second positioning hole which are correspondingly matched with the first positioning column and the second positioning column;

after the plug is inserted into the socket, the first positioning column is inserted into the first positioning hole, and the second positioning column is inserted into the second positioning hole.

Furthermore, it is preferable that the first positioning column and the second positioning column are diagonally arranged.

Furthermore, preferably, the MMCX female connector includes an inner conductor socket, and the MMCX male connector includes an inner conductor pin that is connected to the inner conductor socket.

Furthermore, preferably, the number of the cable assemblies is eight, and eight cable assemblies are arranged on the structural member side by side;

the number of the MMCX female connectors is eight, and the eight MMCX female connectors are respectively arranged corresponding to the MMCX male connectors.

Furthermore, it is preferable that the diameter of the coaxial cable is 0.5-2mm.

In addition, preferably, the connection parts of the MMCX male connector and the SMA male connector and the coaxial cable are respectively provided with a wire protection sleeve.

The beneficial effects of the utility model are as follows:

to the technical problem that exists among the prior art, this application embodiment provides a cluster type MMCX interface connector, realizes the conversion of SMA interface connector and MMCX interface connector through cable subassembly, carries out plug test through the MMCX interface, can show improvement life, and compares traditional SMA connector, has greatly reduced area occupied, miniaturized more. The first positioning column and the second positioning column play a role in positioning and guiding, the diagonal arrangement of the first positioning column and the second positioning column can facilitate butt joint, the risk of damage to the connector caused by blind insertion is avoided, and the stability after butt joint can be improved. The fastener can guarantee the stability of plug and socket connection, prevents that the plug from unexpected droing, can also guarantee the stability of signal connection between plug and the socket simultaneously.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

Fig. 1 shows a schematic structural diagram of a plug according to an embodiment of the present utility model.

Fig. 2 shows an exploded view of a plug provided by an embodiment of the present utility model.

Fig. 3 shows a schematic diagram of a socket according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

At present, equipment is connected with equipment through a signal wire, a connector is necessarily used in connection, the existing connector is generally an SMP interface or an SMA interface, the service life of a conventional SMP interface is 100-300 times, and the conventional SMP interface is difficult to plug and difficult to use for debugging work; the connector of the SMA interface occupies a larger space and is not suitable for miniaturized equipment.

In view of the shortcomings of the prior art, the present utility model provides a bundled MMCX interface connector, as shown in fig. 1-3, that includes a plug and a receptacle. The plug comprises a structural member 1 and a plurality of groups of cable assemblies which are combined and fixed on the structural member 1. The cable assembly comprises a coaxial cable 2, the two ends of the coaxial cable 2 are respectively connected and fixed with an MMCX male connector 3 and an SMA male connector 4, the MMCX male connector 3 and the SMA male connector 4 are respectively electrically connected with the coaxial cable 2, the conversion from the SMA connector to the MMCX connector can be realized, and the miniature electric cable assembly is more suitable for the miniaturization requirement.

In one embodiment, as shown in fig. 1, the MMCX male connector 3 is exposed on the surface of the structural member 1, so as to implement plug-and-socket connection. As shown in fig. 3, the socket includes a groove 5 correspondingly matched with the structural member 1, a plurality of MMCX female connectors 6 are disposed in the groove 5, and the MMCX female connectors 6 are disposed in one-to-one correspondence with the MMCX male connectors 3. After the plug is plugged into the socket, the structural member 1 is inserted into the groove 5, and the MMCX male connector 3 and the MMCX female connector are correspondingly plugged.

In one embodiment, as shown in fig. 2, the structural member 1 includes a fixing plate 11 and a connecting plate 12, where the fixing plate 11 and the connecting plate 12 are stacked and arranged in a stepped structure. The fixing plate 11 is provided with a first through hole 110, and one end of the MMCX male connector 3 passes through the first through hole 110 and is exposed on the surface of the fixing plate 11; the connecting plate 12 is provided with a second through hole 120, and the other end of the MMCX male connector 3 passes through the second through hole 120 and is electrically connected to the coaxial cable 2. The fixing plate 11 and the connecting plate 12 are fixed by bolting. The structural member 1 can fix the MMCX male connector 3, can dredge the coaxial cable of each cable assembly, prevents that coaxial cable 2 from crossing, influences dismantlement and use.

In one embodiment, the fixing plate 11 includes a first step portion protruding from the left edge of the connecting plate 12, a first connecting hole 111 is formed on the first step portion, and a fastener 7 is disposed in the first connecting hole 111; the fixing plate 11 comprises a second step part protruding out of the right edge of the connecting plate 12, a second connecting hole 112 is formed in the second step part, a fastening piece 7 is also arranged in the second connecting hole 112, and the stability of connection between the plug and the socket can be ensured through the fastening piece 7.

In a specific embodiment, as shown in fig. 3, a first threaded hole 51 and a second threaded hole 52 are formed in the groove 5, the first threaded hole 51 and the first connecting hole 111 are correspondingly matched, and the first threaded hole 51 includes an internal thread matched with the fastener 7; the second threaded hole 52 and the second connecting hole 112 are correspondingly matched, and the second threaded hole 52 comprises internal threads matched with the fastener 7. After the plug is plugged into the socket, the fastener 7 is screwed down, so that the plug and the socket are connected stably, the plug is prevented from falling off accidentally, and meanwhile, the stability of signal connection between the plug and the socket can be ensured. In this embodiment, the fastener 7 includes, but is not limited to, a set screw.

In one embodiment, the side of the fixing plate 11 away from the connecting plate includes a first positioning column 81 and a second positioning column 82, and the first positioning column 81 and the second positioning column 82 are disposed perpendicular to the plate surface of the fixing plate 11. The first locating hole 53 which is correspondingly matched with the first locating column 81 and the second locating hole 54 which is correspondingly matched with the second locating column 82 are arranged in the groove 5, after the plug is plugged into the socket, the first locating column 81 is inserted into the first locating hole 53, the second locating column 82 is inserted into the second locating hole 54, and the first locating column 81 and the second locating column 82 are used for assisting the plugging of the MMCX male connector 3 and the MMCX female connector 6, so that the risk of damage to the connector caused by blind plugging is avoided.

In one embodiment, on the structural member 1, the first positioning post 81 and the second positioning post 82 are diagonally arranged, and the first positioning hole 53 and the second positioning hole 54 are diagonally arranged, respectively. In this embodiment, the first positioning column 81 and the second positioning column 82 play a role in positioning and guiding, and the diagonal arrangement of the first positioning column 81 and the second positioning column 82 can facilitate docking and improve stability after docking. In other embodiments, the number of the positioning columns on the structural member 1 is not limited to two, but may be one or more, and the position distribution of the corresponding positioning columns is not limited to diagonal arrangement, which can be designed by combining with practical implementation by those skilled in the art.

In one embodiment, the number of the cable assemblies is eight, the structural member 1 comprises eight MMCX male connectors 3, the eight MMCX male connectors 3 are arranged on the structural member 1 side by side, and one end of each MMCX male connector 3 is connected with a coaxial cable 2; correspondingly, the number of the MMCX female connectors 6 is eight, and the eight MMCX female connectors 6 are respectively arranged corresponding to the MMCX male connectors 3 and are in one-to-one corresponding plug connection with the MMCX male connectors 3. In other embodiments, the number of MMCX male connectors 3 can also be a multiple of eight. The female MMCX connector 6 is also adapted to the plugging of a single coaxial MMCX cable.

In one embodiment, the MMCX female connector 6 includes a first outer conductor having a coaxial channel, a first inner conductor disposed within the coaxial channel, and a first insulating medium surrounding and securing the first inner conductor. The front end of the first inner conductor includes an inner conductor insertion hole 61. The first insulating medium may be an interference fit with the first inner conductor. The MMCX male connector 3 includes a second outer conductor 31 having a coaxial channel, a second dielectric 32 disposed within the coaxial channel, and an inner conductor pin 33, the second dielectric 32 surrounding the fixed inner conductor pin 33. The inner conductor pin 33 has a columnar structure, and when the MMCX male connector 3 is mated with the MMCX female connector 6, the inner conductor pin 33 is inserted into the inner conductor insertion hole 61 of the first inner conductor. The second insulating medium 32 may be an interference fit with the inner conductor pin 33.

In this embodiment, the material of the second outer conductor 3 is copper alloy, the material of the inner conductor 33 is copper alloy, and the material of the second insulating medium 32 is PTFE (polytetrafluoroethylene).

In one embodiment, the SMA male joint 4 includes a third outer conductor having a coaxial passage, a third insulating medium disposed within the coaxial passage surrounding the fixed inner conductor pin, and an inner conductor pin. The SMA male connector 4 can be connected with the SMA female connector in a plug-in mode.

In one embodiment, the connection between the MMCX male connector 3 and the SMA male connector 4 and the coaxial cable 2 is configured with a wire protecting sleeve 9, and the wire protecting sleeve 9 is used for ensuring the stability of the connection between the MMCX male connector 3 and the SMA male connector 4 and the coaxial cable 2.

In one embodiment, the diameter of the coaxial cable 2 is 0.5-2mm, and in a preferred embodiment, the diameter of the coaxial cable 2 is 1.6mm. The structural member 1 has a length of 50mm and a width of 6.5mm. The standard impedance of the cluster MMCX interface connector is 50 omega, the insertion loss is less than 0.4dB, the frequency range is 0-6GHz, the insulation resistance is 5000MΩ, and the durability is 500 times.

According to the cluster type MMCX interface connector provided by the embodiment of the utility model, the conversion of the SMA interface connector and the MMCX interface connector is realized through the cable assembly, and the plugging test is carried out through the MMCX interface, so that the service life can be remarkably prolonged, and compared with the traditional SMA connector, the occupied area is greatly reduced, and the cluster type MMCX interface connector is more miniaturized. Through setting up the effect that first reference column 81 and second reference column 82 played the location direction, first reference column 81 and second reference column 82 diagonal setting both can make things convenient for the butt joint, avoids blind the risk that leads to the connector to damage, can improve the stability after the butt joint again. The fastener 7 can guarantee the stability of plug and socket connection, prevents that the plug from unexpected droing, can also guarantee the stability of signal connection between plug and the socket simultaneously.

It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.

Claims

1. A bundled MMCX interface connector comprising:

2. The bundled MMCX interface connector of claim 1, wherein the structural member comprises a securing plate and a connecting plate, the securing plate comprising a first through-hole therein, one end of the male connector of the MMCX being exposed to a surface of the securing plate;

3. The bundled MMCX interface connector of claim 2, wherein the securing plate comprises first and second stepped portions protruding from the left and right side edges of the connecting plate, the first and second stepped portions each comprising a first and second connecting hole having a fastener disposed therein.

4. A bundled MMCX interface connector as defined in claim 3, wherein the recess comprises first and second threaded bores disposed in corresponding mating relation with the first and second connection bores;

5. The bundled MMCX interface connector of claim 2, wherein the side of the securing plate remote from the connecting plate comprises a first locating post and a second locating post;

6. The bundled MMCX interface connector of claim 5, wherein the first and second positioning posts are diagonally disposed.

7. The bundled MMCX interface connector of claim 1, wherein the female MMCX connector comprises an inner conductor jack and the male MMCX connector comprises an inner conductor pin that is pluggable to the inner conductor jack.

8. The bundled MMCX interface connector of claim 1, wherein the number of cable assemblies is eight, the eight cable assemblies being disposed side-by-side on the structural member;

9. The bundled MMCX interface connector of claim 1, wherein the coaxial cable has a diameter of 0.5-2mm.

10. The bundled MMCX interface connector of claim 1, wherein the connection of the MMCX male connector and SMA male connector to the coaxial cable are each configured with a wire wrap.