CN217882209U

CN217882209U - Floatable radio frequency adapter structure

Info

Publication number: CN217882209U
Application number: CN202121566082.8U
Authority: CN
Inventors: 张军奎
Original assignee: Wuhan Fingu Electronic Technology Co Ltd
Current assignee: Wuhan Fingu Electronic Technology Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-11-22
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a floatable radio frequency adapter structure, include inner conductor, insulator and the shell body by interior coaxial cup jointing in proper order to outer, the surface one end of shell body is equipped with keeps off the ring, and the other end is equipped with and is used for controlling the unsteady opening snap ring subassembly of radial angle, keep off and be equipped with the compression spring who arranges along the shell body axial between ring and the opening snap ring subassembly. The utility model realizes radial angle floating by additionally arranging an open snap ring component on the outer shell, and can play roles of quick connection and installation and axial limiting; meanwhile, axial floating is realized through the arrangement of the compression spring, and the requirement that the contact force of the plate on the mechanical surface of the multi-port radio frequency connector is continuous and reliable is met.

Description

Floatable radio frequency adapter structure

Technical Field

The utility model belongs to the technical field of electrical components connects the socket, concretely relates to floatable radio frequency adapter structure.

Background

The radio frequency connector is widely applied to a signal transmission network and plays a role in electrical connection and separation of transmission lines; since the coaxial connectors of the panel and the printed circuit board are used for mutual contact between the panel and the printed circuit board, the device must have the function of compensating radial and axial deviations between components so as to maintain high-frequency performance, and generally has a plurality of pairs of connections.

To among the present board-to-board interconnection scheme, left end radio frequency connector and right-hand member radio frequency connector install respectively on the both sides base plate, connect through the adapter in the middle, and the adapter technique of present radio frequency connector mainly has two kinds: firstly, a flange fixing structure is adopted, but the structure cannot float, and a complex auxiliary structure is required to be additionally matched, so that the cost is high, and the replacement is troublesome; and secondly, a floating flange is added on the adapter shell, but the floating flange needs to be fixed and locked by screws, and the row spacing between the connector and the adapter is large and is limited by space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the unstable factor of cooperation that current radio frequency multiport arouses because of axial and radial geometric tolerances to and the problem of the unable space limitation who realizes of conventional scheme is used to the compact demand of multiport trunk spacing.

Therefore, the utility model provides a floatable radio frequency adapter structure, include by interior inner conductor, insulator and the shell body that coaxial cup jointed outside to in proper order, the surface one end of shell body is equipped with keeps off the ring, and the other end is equipped with and is used for controlling the unsteady opening snap ring subassembly of radial angle, keep off and be equipped with the compression spring who arranges along the shell body axial between ring and the opening snap ring subassembly.

Furthermore, the split snap ring assembly comprises a limiting blocking ring, a split snap ring and a sleeve with a snap ring, the limiting blocking ring is abutted against the compression spring, the split snap ring is clamped between the sleeve and the limiting blocking ring, an annular groove is formed in the sleeve, and the annular groove is located between the split snap ring and the snap ring.

Furthermore, the outer diameter of the split snap ring is gradually enlarged from the limiting stop ring to the sleeve.

Furthermore, the side wall of the annular groove is a gradually-expanding side wall which gradually inclines outwards from the groove bottom to the groove top.

Further, the split snap ring assembly is in interference fit with the outer shell.

Further, the insulator, the inner conductor and the outer shell are in interference fit.

Furthermore, the insulator is a connector seat made of elastic material

Furthermore, the inner conductor is a connector with a plugging hole at one end, the inner conductor penetrates through the outer shell along the axis of the outer shell to be arranged, and the end, far away from the plugging hole, of the inner conductor extends out of the end face of the outer shell.

Furthermore, an external sleeve is arranged outside one end, far away from the plug hole, of the inner conductor, one end of the external sleeve is connected to the outer surface of the outer shell, and the other end of the external sleeve is sleeved on the inner conductor and extends out of the end face of the outer shell.

Further, the shell body is an interface tube body structure formed by small-diameter sections at two ends and a large-diameter section at the middle part, the baffle ring is arranged at the joint of one of the small-diameter sections and the large-diameter section, and external threads of an external radio frequency connector are arranged at the end part of the small-diameter section far away from the baffle ring on the shell body.

Compared with the prior art, the beneficial effects of the utility model are that:

the floatable radio frequency adapter structure provided by the utility model realizes radial angle floatation by additionally arranging an open snap ring component on the outer shell, and can play roles of quick connection installation and axial limiting; meanwhile, axial floating is realized through the arrangement of the compression spring, and the requirement that the contact force of the plate on the mechanical surface of the multi-port radio frequency connector is continuous and reliable is met.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the floatable radio frequency adapter of the present invention;

fig. 2 is a front view of the floatable rf adapter structure of the present invention;

fig. 3 is a schematic diagram of the floatable rf adapter structure of the present invention after compression of the compression spring;

FIG. 4 is a schematic diagram of the combined application of the floatable RF adapter structure of the present invention;

fig. 5 is a front view of the floatable rf adapter structure of the present invention;

fig. 6 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A in fig. 4.

Description of the reference numerals: 1. an inner conductor; 2. an insulator; 3. the sleeve is externally connected; 4. an outer housing; 5. a baffle ring; 6. a compression spring; 7. a split-collar assembly; 8. installing a panel; 9. a step; 11. inserting holes; 41. a small diameter section; 42. a large diameter section; 71. a limit stop ring; 72. a split snap ring; 73. an annular groove; 74. a snap ring; 75. an opening; 76. the sidewalls are tapered.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 and fig. 2, the embodiment provides a floatable radio frequency adapter structure, which includes an inner conductor 1, an insulator 2, and an outer shell 4 coaxially sleeved from inside to outside in sequence, wherein a retaining ring 5 is disposed at one end of an outer surface of the outer shell 4, a snap ring assembly 7 for controlling radial angle floating is disposed at the other end of the outer surface of the outer shell, and a compression spring 6 axially disposed along the outer shell 4 is disposed between the retaining ring 5 and the snap ring assembly 7. In the embodiment, the split snap ring assembly 7 is additionally arranged on the outer shell 4, so that the adapter can be contracted in the radial direction to realize radial angle floating of the adapter, and the installation of a matched installation panel 8 can be axially limited; meanwhile, the compression spring 6 is arranged between the baffle ring 5 and the split snap ring assembly 7 on the outer shell 4, so that the axial floating of the adapter is realized, the split snap ring assembly 7 and the compression spring 6 can be automatically aligned and reset in an out-of-operation state, the problem of unstable matching factors caused by axial and radial form and position tolerances of the radio frequency multi-port is effectively solved, and the problem of space limitation cannot be realized by a conventional scheme due to the requirement of compact multi-port plant spacing.

In a specific embodiment, as shown in fig. 2, the snap ring assembly 7 comprises a limit stop ring 71, a snap ring 72 and a sleeve with a snap ring 74, the limit stop ring 71 abuts against the compression spring 6, the snap ring 72 is clamped between the sleeve and the limit stop ring 71, the snap ring 72 is provided with an opening 75, and the tightness of the snap ring 72 can be adjusted by adjusting the size of the opening 75, so that radial angle floating is realized; preferably, the outside diameter of the snap ring 72 is gradually enlarged from the limit stop ring 71 to the sleeve. An annular groove 73 is formed in the sleeve, and the annular groove 73 is located between the split snap ring 72 and the snap ring 74 and is used for being matched and connected with the matched installation panel 8; the side walls of the annular groove 73 are preferably designed as diverging side walls 76 which taper outwardly from the base of the groove to the top of the groove, so that the snap-ring assembly 7 can be automatically aligned and returned in the inoperative state. Furthermore, the snap ring assembly 7 is in interference fit with the outer shell 4, so that the connection between the snap ring assembly 7 and the outer shell 4 is firm, and the stability of the overall structure of the adapter is improved.

Preferably, the insulator 2, the inner conductor 1 and the outer shell 4 are in interference fit, so that the stability of the overall structure of the adapter is ensured; specifically, the insulator 2 may be a socket made of an elastic material.

Specifically, the inner conductor 1 is a connector with an insertion hole 11 at one end, the inner conductor 1 penetrates through the outer shell 4 along the axis of the outer shell 4, and the end, far away from the insertion hole 11, of the inner conductor 1 extends out of the end face of the outer shell 4 so as to be inserted into the radio frequency connector. Further, the one end outside that spliced eye 11 was kept away from to inner conductor 1 is equipped with external sleeve 3, the surface in shell body 4 is connected to external sleeve 3's one end, and external sleeve 3's other pot head is located and is extended the outside of shell body 4 terminal surface part on inner conductor 1, and this external sleeve 3 can be protected the part that the shell body was stretched out to inner conductor 1 on the one hand, and on the other hand can set up the internal thread at external sleeve 3 inner wall for be connected with external radio frequency connector, further guarantee the stability that this adapter and radio frequency connector are connected.

Specifically, shell body 4 is the interface body structure that the footpath section 41 and the major diameter section 42 at middle part constitute by the footpath section at both ends, keep off ring 5 and set up in the junction of one of them footpath section 41 and major diameter section 42, keep away from the external screw thread that the path section 41 tip that keeps off ring 5 was equipped with external radio frequency connector on shell body 4.

In addition, as for the assembly mode of a plurality of radio frequency adapter structures adapted to a radio frequency multiport, as shown in fig. 3 and 4, the radio frequency adapter structures are mounted on the matched mounting panel 8, only one step hole needs to be made on the mounting panel 8, the radio frequency adapter structures are mounted in the step holes, and the radio frequency adapter structures can be axially limited in mounting through the matching of the open snap ring 72 of the open snap ring assembly 7 and the steps 9 in the step holes, so that the quick clamping and replacement are realized; if the hole positions are staggered or the plate intervals are inconsistent, as long as the deviation is within the range of the radial floating amount and the axial floating amount of the embodiment, the compression spring 6 on the radio frequency adapter structure floats in the axial direction, and the open snap ring 72 realizes radial angle floating, so that the normal installation can be ensured, and the matching failure or performance reduction cannot be caused.

The above examples are merely illustrative of the present invention and do not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.

Claims

1. The utility model provides a floatable radio frequency adapter structure, its characterized in that includes inner conductor, insulator and the shell body that by interior coaxial cup joint outward in proper order, the surface one end of shell body is equipped with keeps off the ring, and the other end is equipped with the opening snap ring subassembly that is used for controlling radial angle and floats, keep off and be equipped with the compression spring who arranges along the shell body axial between ring and the opening snap ring subassembly.

2. The floatable radio frequency adapter structure of claim 1 wherein the split snap ring assembly includes a stop collar, a split snap ring and a sleeve with a snap ring, the stop collar abutting the compression spring, the split snap ring being captured between the sleeve and the stop collar, the sleeve having an annular groove therebetween.

3. The floatable radio frequency adapter structure of claim 2, wherein said snap ring has an outer diameter that is tapered from the retainer ring to the sleeve.

4. The structure of claim 2, wherein the side walls of the annular recess are diverging side walls that taper outwardly from the base of the recess to the top of the recess.

5. A floatable radio frequency adapter structure as claimed in claim 1 or 2, wherein said split collar assembly is an interference fit with the outer housing.

6. The floatable radio frequency adapter structure of claim 1, wherein said insulator is an interference fit with both said inner conductor and said outer housing.

7. The floatable radio frequency adapter structure of claim 6, wherein said insulator is a socket made of an elastic material.

8. The floatable radio frequency adapter structure as claimed in claim 1, wherein said inner conductor is a connector having a plugging hole at one end thereof, said inner conductor being disposed through said outer shell along an axis of said outer shell, and an end thereof remote from said plugging hole extending outside an end surface of said outer shell.

9. The floating rf adapter structure of claim 8, wherein an external sleeve is disposed outside an end of the inner conductor away from the insertion hole, one end of the external sleeve is connected to the outer surface of the outer housing, and the other end of the external sleeve is disposed on the inner conductor to extend outside the end surface of the outer housing.

10. The floating rf adapter structure of claim 1, wherein the outer housing is an interface tube structure formed by a small diameter section at two ends and a large diameter section at a middle portion, the baffle ring is disposed at a connection portion of one of the small diameter section and the large diameter section, and an external thread for externally connecting the rf connector is disposed at an end portion of the small diameter section far from the baffle ring on the outer housing.