CN218958132U

CN218958132U - Floatable blind-mate connector

Info

Publication number: CN218958132U
Application number: CN202223231136.2U
Authority: CN
Inventors: 夏杨军; 吴江龙; 谭婷婷; 蒋军璋
Original assignee: Suzhou Luzhiyao Intelligent Equipment Co ltd
Current assignee: Suzhou Luzhiyao Intelligent Equipment Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-02
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of communication, in particular to a floatable blind-mate connector. The floating shell is sleeved with the spring, the free end of the spring is abutted with the shell, and the spring floating mechanism is utilized to realize wide tolerance rapid plug; the first conductor component is connected with the second conductor component through the adapter, two interface forms are converted through the adapter, and the installation dimension of the whole product can compensate for the installation dimension error generated by machining tolerance and assembly by matching with the spring, so that the connector meets the high-density use environment, meanwhile, the adapter ensures the stability during connection, and ensures continuous and reliable contact in work; the combination of the spring floating and the bell mouth structure can solve the problem that the radial and axial alignment is difficult when the high-integration radio frequency module is inserted.

Description

Floatable blind-mate connector

Technical Field

The utility model relates to the technical field of communication, in particular to a floatable blind-mate connector.

Background

With the development of communication technology, the requirements of people on high-quality networks are higher and higher, and the development of a high-power and high-integration module is promoted to be presented by a key element radio-frequency coaxial connector which plays a role in connection in information transmission. The density of connectors in the existing radio frequency module is large, 5, 10 or tens of connectors are in a group, and the connectors are plugged and pulled out simultaneously, so that when the connectors are butted, the center lines of the socket and the plug are not aligned due to the accumulation of machining tolerance and assembly error, and in addition, in the plugging process, the panel stress can generate slight deformation, so that the transmission effect of the connectors is affected. Meanwhile, the existing connector adopts threaded connection to be aligned, so that tolerance requirements cannot be met, contact reliability is low, and high-power requirements cannot be met.

Disclosure of Invention

The utility model aims to provide a floatable blind-mate connector which can realize wide tolerance quick plug and ensure continuous and reliable contact in operation.

In order to solve the technical problems, the technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a but floating blind-mate connector, includes casing, first conductor subassembly, adapter, second conductor subassembly and floating shell, first conductor subassembly sets up on the casing, the adapter with floating shell is connected, just the adapter wears to establish in the casing, second conductor subassembly sets up on the floating shell, first conductor subassembly passes through the adapter with second conductor subassembly is connected, be provided with the locking piece on the casing, make floating shell can't follow on the casing breaks away from, the cover is equipped with the spring on the floating shell, the spring free end with the casing butt;

the connecting end of the floating shell is provided with a connecting hole, and the edge of the connecting hole is of a bell mouth structure.

Further, a flange plate is arranged on the shell, a mounting hole is formed in the flange plate, a sealing groove is formed in the flange plate, and a sealing ring is arranged on the sealing groove.

Further, the first conductor assembly comprises a first inner conductor and a first insulator, a first mounting hole is formed in the shell, the first insulator penetrates through the first mounting hole, the first inner conductor penetrates through the first insulator, a first groove is formed in the first insulator, a first protrusion is arranged on the first inner conductor, and the first protrusion is clamped and arranged on the first groove.

Further, the second conductor assembly comprises a second inner conductor and a second insulator, a second mounting hole is formed in the floating shell, the second insulator penetrates through the second mounting hole, the second inner conductor penetrates through the second insulator, a second groove is formed in the second insulator, a second protrusion is arranged on the second inner conductor, and the second protrusion is clamped and arranged on the second groove.

Further, a third protrusion is arranged on the inner wall of the second mounting hole, a third groove is arranged on the outer side wall of the second insulator, and the third protrusion is clamped in the third groove.

Further, a threaded hole is formed in the shell, connecting threads are formed in the locking block, the locking block is connected with the threaded hole, and the floating shell penetrates through the locking block.

Further, the floating shell comprises a guide shell and a connecting shell, the second conductor assembly is arranged on the connecting shell, a screw hole is formed in the guide shell, a threaded end is arranged on the connecting shell, the threaded end is screwed with the screw hole, the adapter is connected with the guide shell, and the connecting shell is arranged on the locking block in a penetrating mode.

Further, the adapter comprises an adapter shell, a third insulator and an adapter conductor, wherein the adapter conductor is arranged on the third insulator in a penetrating mode, the third insulator is arranged on the adapter shell in a penetrating mode, two ends of the adapter conductor are provided with first expansion pipes, a plurality of pressing plates are arranged on the first expansion pipes, and two ends of the adapter conductor are respectively connected with the first conductor assembly and the second conductor assembly.

Further, second expansion pipes are arranged at two ends of the switching shell, a plurality of expansion plates are arranged on the second expansion pipes, a guide groove is formed in the shell, one of the two second expansion pipes is slidably arranged on the guide groove, a clamping groove is formed in the guiding shell, and the other of the two second expansion pipes is clamped on the clamping groove.

Further, the guide shell is provided with a limiting plate, the connecting shell is provided with a baffle, the locking block is arranged between the limiting plate and the baffle, the free end of the guide shell is provided with a limiting snap ring, the shell is provided with a connecting snap ring, and the limiting snap ring is clamped on the connecting snap ring.

The utility model has the beneficial effects that:

the floating shell is sleeved with the spring, the free end of the spring is abutted with the shell, and the spring floating mechanism is utilized to realize wide tolerance rapid plug; the first conductor component is connected with the second conductor component through the adapter, two interface forms are converted through the adapter, and the installation dimension of the whole product can compensate for the installation dimension error generated by machining tolerance and assembly by matching with the spring, so that the connector meets the high-density use environment, meanwhile, the adapter ensures the stability during connection, and ensures continuous and reliable contact in work; the combination of the spring floating and the bell mouth structure can solve the problem that the radial and axial alignment is difficult when the high-integration radio frequency module is inserted.

Drawings

Fig. 1 is a schematic view of a floatable blind mate connector according to the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is a cross-sectional view of the present utility model.

The reference numerals in the figures illustrate: 1. a housing; 11. a flange plate; 12. a seal ring; 13. a mounting hole; 2. a floating housing; 21. a guide housing; 211. a limiting snap ring; 212. connecting a clamping ring; 213. a clamping groove; 214. a limiting plate; 22. a connection housing; 221. a second mounting hole; 222. a horn mouth; 223. a baffle; 3. a locking block; 4. a first insulator; 41. a first inner conductor; 42. a first protrusion; 5. a spring; 6. a second insulator; 61. a second inner conductor; 62. a second protrusion; 7. a transfer housing; 71. a third insulator; 72. a transfer conductor; 73. a second expansion tube; 731. an expansion plate; 74. a first expansion tube; 741. a pressing plate; 75. a guide groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1-3, a floatable blind-mate connector includes a housing 1, a first conductor assembly, an adapter, a second conductor assembly and a floating housing 2, where the first conductor assembly is disposed on the housing 1, the adapter is connected with the floating housing 2, the adapter is inserted into the housing 1, the second conductor assembly is disposed on the floating housing 2, the first conductor assembly is connected with the second conductor assembly through the adapter, a locking block 3 is disposed on the housing 1, so that the floating housing 2 cannot be separated from the housing 1, a spring 5 is sleeved on the floating housing 2, and a free end of the spring 5 abuts against the housing 1;

the connecting end of the floating shell 2 is provided with a connecting hole, and the edge of the connecting hole is in a horn mouth 222 structure.

The floating shell 2 is sleeved with the spring 5, the free end of the spring 5 is abutted with the shell 1, and the floating mechanism of the spring 5 is utilized to realize the rapid plug with wide tolerance; the first conductor component is connected with the second conductor component through the adapter, two interface forms are converted through the adapter, and the installation dimension of the whole product can compensate for the installation dimension error generated by machining tolerance and assembly by matching with the spring 5, so that the connector meets the high-density use environment, meanwhile, the adapter ensures the stability during connection, and ensures continuous and reliable contact in work; the combination of the floating of the spring 5 and the structure of the flare 222 can solve the problem that the radial and axial alignment is difficult when the high-integration radio frequency module is inserted.

The connector can be applied to high-power multi-channel radio frequency modules, effectively solves the problem of misalignment of the high-power multi-channel radio frequency modules in radial and axial directions, provides reliable contact, and realizes quick plugging and unplugging of the radio frequency modules. Meanwhile, the resilience force generated by the spring 5 ensures the contact reliability between the TMA interface end and the radio frequency module. The connector has moderate geometric dimension and power capacity of 500W to 2100W, and can meet most of the use requirements.

The shell 1 is provided with a flange plate 11, the flange plate 11 is provided with a mounting hole 13, the flange plate 11 is provided with a sealing groove, and the sealing groove is provided with a sealing ring 12.

Specifically, the external dimension of the connector and the specific dimension of the mounting flange 11 are determined according to the use and mounting conditions of the connector, and the positions of the mounting holes 13 at two ends of the connector are determined according to the interface form of the radio frequency module connected with the connector, so that the connector is simple and reasonable in structure and convenient to use.

The first conductor assembly comprises a first inner conductor 41 and a first insulator 4, wherein a first mounting hole 13 is formed in the shell 1, the first insulator 4 is arranged on the first mounting hole 13 in a penetrating mode, the first inner conductor 41 is arranged on the first insulator 4 in a penetrating mode, a first groove is formed in the first insulator 4, a first protrusion 42 is arranged on the first inner conductor 41, and the first protrusion 42 is clamped on the first groove in a clamping mode.

The second conductor assembly comprises a second inner conductor 61 and a second insulator 6, a second mounting hole 22113 is formed in the floating shell 2, the second insulator 6 is arranged on the second mounting hole 22113 in a penetrating mode, the second inner conductor 61 is arranged on the second insulator 6 in a penetrating mode, a second groove is formed in the second insulator 6, a second protrusion 62 is arranged on the second inner conductor 61, and the second protrusion 62 is clamped on the second groove in a clamping mode.

The inner wall of the second mounting hole 22113 is provided with a third protrusion, the outer side wall of the second insulator 6 is provided with a third groove, and the third protrusion is clamped in the third groove.

The third protrusion is clamped in the third groove, so that the second insulator 6 is connected with the floating shell 2 more firmly.

The shell 1 is provided with a threaded hole, the locking block 3 is provided with a connecting thread, the locking block 3 is connected with the threaded hole, and the floating shell 2 is arranged on the locking block 3 in a penetrating mode.

The floating shell 2 comprises a guide shell 21 and a connecting shell 22, the second conductor assembly is arranged on the connecting shell 22, a screw hole is formed in the guide shell 21, a threaded end is arranged on the connecting shell 22 and screwed with the screw hole, the adapter is connected with the guide shell 21, and the connecting shell 22 is arranged on the locking block 3 in a penetrating mode.

The mounting dimension of the entire guide housing 21 can be made up for by the spring 5, which is an error in mounting dimension due to machining tolerance and assembly, so that the connector satisfies a high-density use environment,

the spring 5 provides sufficient resilience to ensure contact reliability, and when the spring 5 is loaded with a product, the spring 5 should be in a free state corresponding to the maximum axial installation space, and at the same time, in order to ensure smooth insertion and contact reliability of the product, the initial resilience of the spring 5 should be greater than the maximum insertion force of the product.

The adapter comprises an adapter shell 7, a third insulator 71 and an adapter conductor 72, wherein the adapter conductor 72 is arranged on the third insulator 71 in a penetrating mode, the third insulator 71 is arranged on the adapter shell 7 in a penetrating mode, first expansion pipes 74 are arranged at two ends of the adapter conductor 72, a plurality of pressing plates 741 are arranged on the first expansion pipes 74, and two ends of the adapter conductor 72 are connected with a first conductor assembly and a second conductor assembly respectively.

The first expansion tubes 74 are arranged at the two ends of the transfer conductor 72, and the two ends of the transfer conductor 72 are respectively connected with the first conductor assembly and the second conductor assembly, so that the floating requirement is realized, the consistency of the impedance of each coaxial cross section of the transfer conductor 72, the second inner conductor 61 and the first inner conductor 41 before and after floating and in the floating process is ensured, and continuous and reliable contact in the working process is ensured.

The second inner conductor 61, the first inner conductor 41, the floating shell 2 and the shell 1 are arranged with air medium therebetween and are designed into a stepped shaft structure to realize the floating function.

The first insulator 4, the second insulator 6 and the third insulator 71 are all polytetrafluoroethylene insulators, so that the radio frequency performance is guaranteed.

The two ends of the switching shell 7 are provided with second expansion pipes 73, a plurality of expansion plates 731 are arranged on the second expansion pipes 73, the shell 1 is provided with a guide groove 75, one second expansion pipe 73 of the two second expansion pipes 73 is slidably arranged on the guide groove 75, the guide shell 21 is provided with a clamping groove 213, and the other second expansion pipe 73 of the two second expansion pipes 73 is clamped on the clamping groove 213.

The guide shell 21 is provided with a limiting plate 214, the connecting shell 22 is provided with a baffle 223, the locking block 3 is arranged between the limiting plate 214 and the baffle 223, the free end of the guide shell 21 is provided with a limiting snap ring 211, the shell 1 is provided with a connecting snap ring 212, and the limiting snap ring 211 is clamped on the connecting snap ring 212.

Specifically, the limiting snap ring 211 is clamped on the connecting snap ring 212, and the limiting snap ring 211 is limited by the connecting snap ring 212, so that the guiding shell 21 is prevented from being separated from the shell 1; while the spring 5 may support the guide housing 21 to define the maximum floating distance of the connector.

The above-described embodiments are merely preferred embodiments for fully explaining the present utility model, and the scope of the present utility model is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present utility model, and are intended to be within the scope of the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. The utility model provides a but floating blind-mate connector which characterized in that, includes casing, first conductor subassembly, adapter, second conductor subassembly and floating shell, first conductor subassembly sets up on the casing, the adapter with floating shell is connected, just the adapter wears to establish in the casing, second conductor subassembly sets up on the floating shell, first conductor subassembly passes through the adapter with second conductor subassembly is connected, be provided with the locking piece on the casing, make floating shell can't break away from on the casing, the cover is equipped with the spring on the floating shell, the spring free end with the casing butt;

2. The floatable blind mate connector of claim 1, wherein the housing is provided with a flange having mounting holes, the flange is provided with a seal groove, and the seal groove is provided with a seal ring.

3. The floatable blind mate connector of claim 1 wherein the first conductor assembly includes a first inner conductor, a first insulator, the housing having a first mounting hole, the first insulator being disposed through the first mounting hole, the first inner conductor being disposed through the first insulator, the first insulator having a first recess, the first inner conductor having a first protrusion, the first protrusion being disposed through the first recess.

4. The floatable blind mate connector of claim 1 wherein the second conductor assembly includes a second inner conductor, a second insulator, the floating housing having a second mounting hole therein, the second insulator being disposed through the second mounting hole, the second inner conductor being disposed through the second insulator, the second insulator having a second recess therein, the second inner conductor having a second protrusion therein, the second protrusion being captured in the second recess.

5. The floatable blind mate connector of claim 4 wherein a third projection is provided on the inner wall of the second mounting hole, a third recess is provided on the outer sidewall of the second insulator, and the third projection is captured in the third recess.

6. The floatable blind mate connector of claim 1 wherein the housing has a threaded bore and the lock block has connecting threads, the lock block being connected to the threaded bore, the floating housing being threaded onto the lock block.

7. The floatable blind mate connector of claim 1 wherein the floating housing includes a guide housing and a connection housing, the second conductor assembly being disposed on the connection housing, the guide housing being provided with a threaded bore, the connection housing being provided with a threaded end, the threaded end being threaded with the threaded bore, the adapter being connected to the guide housing, the connection housing being threaded on the locking block.

8. The floatable blind mate connector of claim 7 wherein the adapter includes an adapter housing, a third insulator and an adapter conductor, the adapter conductor is threaded on the third insulator, the third insulator is threaded on the adapter housing, first expansion tubes are disposed at two ends of the adapter conductor, a plurality of pressure plates are disposed on the first expansion tubes, and two ends of the adapter conductor are respectively connected with the first conductor assembly and the second conductor assembly.

9. The floatable blind-mate connector of claim 8 wherein the adaptor housing has second expansion tubes at both ends, a plurality of expansion plates are provided on the second expansion tubes, a guide slot is provided on the housing, one of the second expansion tubes is slidably provided on the guide slot, a slot is provided on the guide housing, and the other of the second expansion tubes is slidably provided on the slot.

10. The floatable blind-mate connector of claim 7, wherein the guide housing is provided with a stop plate, the connection housing is provided with a baffle, the locking block is disposed between the stop plate and the baffle, the free end of the guide housing is provided with a stop collar, the housing is provided with a connection collar, and the stop collar is clamped on the connection collar.