CN218334522U

CN218334522U - SMA type inner and outer conductor double-floating connector

Info

Publication number: CN218334522U
Application number: CN202221323715.7U
Authority: CN
Inventors: 孙博瑶; 李祺骏; 张萌; 付倩梅; 周洁
Original assignee: Shanxi Huada Communication Technology Co ltd
Current assignee: Shanxi Huada Communication Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2023-01-17
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a two floating connectors of SMA type inside and outside conductor, including first installation casing, the inside of first installation casing is provided with first insulator, the inside of first insulator is provided with first inner conductor, but wide application is connected in blind plug between board and the board, not only the electrical property is stable superior, and is small, and long service life, this product comprises parts such as shell, insulator, inner conductor, spring, the cooperation is inseparable between each part, elasticity is stable, the flexible smoothness of inside and outside conductor, when this product uses, fix on the board by the shell flange, SMA-K end can routine SMA-J type be to inserting, the other end uses with PCB board cavity cooperation, and the design that this product inside spring cooperation was used, can realize floating in certain extent and use, it is the not telescopic defect of fixed length mostly to have remedied present internal SMA series product, the not enough in the market, have very strong development potentiality.

Description

SMA type inner and outer conductor double-floating connector

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to two floating connectors of SMA type inner and outer conductor.

Background

The SMA type inner conductor and outer conductor double-floating connector is provided by a PCB test scheme of a 5G project, the inner conductor and the outer conductor of the SMA-K type microstrip connector are required to float, the elasticity of the inner conductor meets 1N-4N, the SMA-K type microstrip connector can be compressed from 7mm to 5mm and is matched with a cavity specification with the diameter phi 7 and the depth 6.8mm for use, the SMA-type inner conductor and outer conductor double-floating connector is mainly used for testing the PCB in the assembly process of the existing 5G equipment, and the SMA-type inner conductor and outer conductor double-floating connector is used for testing the PCB in the production process for the first time.

With the development of modern technology, the requirements on connectors in systems such as communication, radar, electronic countermeasure, radio navigation and the like are higher and higher, especially in the aspect of electrical performance, and with the higher and higher requirements on product use of users, the radio frequency connector is more rigorous in design in various aspects, at present, most domestic SMA series products are not telescopic in fixed length, and are inconvenient in the actual use process, so that an SMA type inner conductor and outer conductor double-floating connector is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a SMA type inside and outside conductor double floating connector to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: SMA type inside and outside conductor double floating connector, including first installation casing, the inside of first installation casing is provided with first insulator, the inside of first insulator is provided with first inner conductor, the right-hand member of first installation casing is pegged graft and is had second installation casing, the right-hand member circumferential surface of first installation casing and the left end circumferential surface of second installation casing are provided with the shell flange, the inside of second installation casing is provided with the second insulator, the inside of second insulator is provided with the second inner conductor, the inside first reset spring that is provided with in left side of second inner conductor, the left end surface butt joint of second installation casing has second reset spring.

Preferably, the left end of the second return spring is abutted with a gasket, the gasket is arranged inside the left side of the shell flange, and the left end of the gasket is abutted with the first mounting shell.

Preferably, a movable groove is formed in the inner wall of the left side of the second mounting shell, and the outer wall of the right end of the first mounting shell is slidably mounted inside the movable groove through a sliding block.

Preferably, barb and step structure are fixed between first inner conductor and the first insulator, barb structure is fixed between first insulator and the first installation casing.

Preferably, the second insulator, the second mounting shell and the plug-in shell are fixed by a step structure, and the second inner conductor and the second insulator are fixed by a step structure.

Preferably, threaded through holes are formed in the upper end and the lower end of the shell flange.

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

the SMA type inner conductor and outer conductor double-floating connector can be widely applied to blind plug connection between plates, and has the advantages of stable and superior electrical performance, small volume and long service life.

Drawings

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

fig. 2 is a front sectional view of the present invention;

fig. 3 is an enlarged view of the structure of fig. 2 at a;

fig. 4 is an enlarged view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a first inner conductor; 2. a second inner conductor; 3. a first insulator; 4. a second insulator; 5. a first mounting housing; 6. a housing flange; 7. a second mounting housing; 8. inserting the shell; 9. a gasket; 10. a first return spring; 11. a second return spring.

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.

Please refer to fig. 1-4, the utility model provides a SMA type inner and outer conductor double floating connector, including first installation casing 5, the inside of first installation casing 5 is provided with first insulator 3, the inside of first insulator 3 is provided with first inner conductor 1, the right-hand member of first installation casing 5 is pegged graft and is had second installation casing 7, the right-hand member circumferential surface of first installation casing 5 and the left end circumferential surface of second installation casing 7 are provided with shell flange 6, the inside of second installation casing 7 is provided with second insulator 4, the inside of second insulator 4 is provided with second inner conductor 2, the inside first reset spring 10 that is provided with in left side of second inner conductor 2, the left end surface butt joint of second installation casing 7 has second reset spring 11.

In this embodiment, preferably, the gasket 9 abuts against the left end of the second return spring 11, the gasket 9 is disposed inside the left side of the housing flange 6, the left end of the gasket 9 abuts against the first mounting housing 5, and the gasket 9 is disposed so that the left end of the second return spring 11 abuts against the housing flange 6 through the gasket 9, the left end of the second return spring 11 contacts with the first mounting housing 5, and therefore when the second return spring 11 is compressed by a force, the left end of the product is guaranteed not to shift in the middle.

In this embodiment, it is preferred, movable groove has been seted up to the left side inner wall of second installation casing 7, the outer wall of first installation casing 5 right-hand member passes through slider slidable mounting in the inside in movable groove, the setting in movable groove, the activity space is provided for the slider, then be convenient for second installation casing 7 horizontal migration about on first installation casing 5, the setting of slider, make first installation casing 5 be connected with second installation casing 7 through the slider, then be convenient for second installation casing 7 right-hand member when receiving power left, move smoothly on first installation casing 5.

In this embodiment, it is preferable that the first inner conductor 1 and the first insulator 3 are fixed by a barb-and-step structure, the structure is configured to allow the first inner conductor 1 to be installed inside the first insulator 3 while ensuring that the holding force between the first inner conductor 1 and the first insulator 3 is equal to or greater than 27N, and the structure is configured to allow the first insulator 3 to be installed inside the first installation housing 5 while ensuring that the holding force between the first insulator 3 and the first installation housing 5 is equal to or greater than 27N.

In this embodiment, preferably, the second insulator 4, the second mounting housing 7 and the plug housing 8 are fixed in a step structure, the second insulator 4 and the plug housing 8 are arranged in the second mounting housing 7, the holding force between the second insulator 4 and the second mounting housing 7 is ensured to be larger than or equal to 27N, the holding force between the second inner conductor 2 and the second insulator 4 is ensured to be larger than or equal to 27N, the step structure is arranged between the second inner conductor 2 and the second insulator 4, the second inner conductor 2 can be mounted in the second insulator 4, the holding force between the second inner conductor 2 and the second insulator 4 is ensured to be larger than or equal to 27N, the right end of the second inner conductor 2 is stressed in the second mounting housing 7 to move leftwards smoothly, and then the second inner conductor 2 moves rightwards smoothly in the second mounting housing 7 by means of the elastic force of the first return spring 10, so as to realize the floating of two millimeters between the first inner conductor 1 and the second inner conductor 2.

In this embodiment, the preferred, the inside screw thread through-hole that has all seted up in the upper and lower both ends of shell flange 6, the setting of this structure, the staff screw thread through-hole of being convenient for and the bolt are fixed shell flange 6 on the board that needs used, the use of the inside spare part of shell flange 6 of being convenient for then.

The utility model discloses a theory of operation and use flow: when the product is used, firstly, the first inner conductor 1 is press-fitted into the first insulator 3, then the first insulator 3 is press-fitted into the first installation shell 5, then the second insulator 4 is inserted into the second installation shell 7, then the plug-in shell 8 is press-fitted into the second installation shell 7, so that the second insulator 4 of the plug-in shell 8 pair is limited, then the second inner conductor 2 is installed into the second insulator 4, then the right end of the first installation shell 5 is plugged into the shell flange 6, then the gasket 9 is placed into the shell flange 6 from the right end of the shell flange 6, so that the gasket 9 is installed on the inner wall of the left end of the shell flange 6, then the second return spring 11 is placed into the shell flange 6 from the right end of the shell flange 6, so that the left end of the second return spring 11 is abutted against the gasket 9, then the left end of the first return spring 10 is placed into the right end of the first inner conductor 1, then the first installation shell 5 is press-fitted into the second installation shell 7, thereby completing the work of the product, the installation work of the product, the product can make up the floating of the floating shell 6 when the floating shell 6 moves to the right, and the floating shell 6 can make up and make up the floating force of the floating shell 7, and make up the floating force of the floating shell.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

SMA type inside and outside conductor double floating connector, including first installation casing (5), its characterized in that: the novel high-voltage cable is characterized in that a first insulator (3) is arranged inside the first installation shell (5), a first inner conductor (1) is arranged inside the first insulator (3), a second installation shell (7) is inserted into the right end of the first installation shell (5), a shell flange (6) is arranged on the circumferential surface of the right end of the first installation shell (5) and the circumferential surface of the left end of the second installation shell (7), a second insulator (4) is arranged inside the second installation shell (7), a second inner conductor (2) is arranged inside the second insulator (4), a first reset spring (10) is arranged inside the left side of the second inner conductor (2), and a second reset spring (11) abuts against the outer surface of the left end of the second installation shell (7).
2. The SMA type inner and outer conductor double floating connector according to claim 1, wherein: the left end of the second reset spring (11) is abutted with a gasket (9), the gasket (9) is arranged inside the left side of the shell flange (6), and the left end of the gasket (9) is abutted with the first mounting shell (5).
3. The SMA type inner and outer conductor double floating connector according to claim 1, wherein: the inner wall of the left side of the second mounting shell (7) is provided with a movable groove, and the outer wall of the right end of the first mounting shell (5) is slidably mounted in the movable groove through a sliding block.
4. The SMA type inner and outer conductor double floating connector according to claim 1, wherein: it is fixed that barb adds the stair structure between first inner conductor (1) and first insulator (3), it is fixed that barb structure is between first insulator (3) and first installation casing (5).
5. The SMA type inner and outer conductor double floating connector according to claim 1, wherein: step structures are arranged among the second insulator (4), the second installation shell (7) and the plug-in shell (8) for fixation, and the step structures are arranged between the second inner conductor (2) and the second insulator (4) for fixation.
6. The SMA type inner and outer conductor double floating connector according to claim 1, wherein: threaded through holes are formed in the upper end and the lower end of the shell flange (6).