CN217823628U

CN217823628U - SBMA-SMP radio frequency coaxial adapter

Info

Publication number: CN217823628U
Application number: CN202221707344.2U
Authority: CN
Inventors: 王健; 苗勇; 王有财
Original assignee: Xi'an Goldwave S&t Co ltd
Current assignee: Xi'an Goldwave S&t Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-15
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to a SBMA-SMP radio frequency coaxial adapter, including inner conductor, first insulator, second insulator, first shell, second shell, third shell, snap ring, first sealing washer and second sealing washer, the left end of inner conductor is connected with first insulator. This SBMA-SMP radio frequency coaxial adapter is equipped with air medium between inner conductor interlude and the first casing, is equipped with air medium between inner conductor right-hand member and the second casing, first casing sets up to the aperture with first insulator left end face contact site, leaves one section air medium between aperture and the first insulator, and the inner conductor is provided with the step with the contact site of first insulator right-hand member, and first casing is provided with the step with second insulator right-hand member connection position, and the inner conductor is provided with the step with second insulator left end connection position to make first insulation and second insulator and inner conductor can not control the drunkenness, and performance index and reliability obtain promoting.

Description

SBMA-SMP radio frequency coaxial adapter

Technical Field

The utility model relates to a coaxial adapter technical field of radio frequency specifically is a coaxial adapter of SBMA-SMP radio frequency.

Background

Because SBMA, SMP connector have miniaturization and can float the characteristic installed, its range of application is wider and wider.

When the SBMA-SMP adapter is applied to the expansion layer adapter board, an integral channel formed by other connectors, adapters, cables and the like needs to be tested, the performance index of the SBMA-SMP adapter board is in the frequency range of 6-18GHZ, and the standing wave is required to be less than 1.25, while the performance index of the conventional SBMA-SMP adapter board cannot meet the use requirement of a user, and the average standing wave is 1.3.

SUMMERY OF THE UTILITY MODEL

To prior art not enough, the utility model provides a SBMA-SMP radio frequency coaxial adapter, possess the advantage that promotes the performance index of SBMA-SMP adapter, when having solved SBMA-SMP adapter and using in the extension layer adapter plate, need test with the whole passageway of other connectors, adapter and cable etc. constitution, its performance index is in 6-18GHZ frequency range, require the standing wave to be less than 1.25, performance index can not satisfy user's operation requirement when conventional SBMA-SMP adapter is used in the extension layer adapter plate, its standing wave is average 1.3, under this background, in order to satisfy user's operation requirement, promote the performance index of SBMA-SMP adapter problem at present.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a SBMA-SMP radio frequency coaxial adapter, includes inner conductor, first insulator, second insulator, first shell, second shell, third shell, snap ring, first sealing washer and second sealing washer, the left end of inner conductor is connected with first insulator, the right-hand member of inner conductor is connected with the second insulator, the surface of first insulator and second insulator all is connected with first shell, the right-hand member surface connection of first shell has the second shell, the surface swing joint of first shell has the third shell, the snap ring is equipped with between first shell surface and the third shell is inside, first shell and third shell right-hand member department are equipped with first sealing washer, the surface of second shell is equipped with the second sealing washer.

Further, first insulator, inner conductor and second insulator all cup joint the inside at first shell, second shell, first sealing washer, snap ring and third shell all are located the surface of first shell.

Furthermore, a through hole is formed in the first insulator, the through hole is located in the middle of the first insulator, and the first insulator is connected with the inner conductor in an inserting mode through the through hole.

Further, the outer surface fixed connection of first insulator has the boss, the quantity of boss is two, two the boss is located first insulator's both ends about respectively.

Further, the contact position of first shell and first insulator left end has seted up the aperture, the aperture does not laminate with first insulator, first shell and second insulator right-hand member connection position are provided with the step.

Furthermore, a step is arranged at the contact position of the inner conductor and the right end of the first insulator, and a step is arranged at the contact position of the inner conductor and the left end of the second insulator.

Furthermore, a boss is arranged at the left end of the second insulator, and an annular groove is formed in the right end of the second insulator.

Further, the first insulator and the second insulator are not in contact, so that an air medium is formed between the middle section of the inner conductor and the first shell.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

the SBMA-SMP radio frequency coaxial adapter is simple in structure and easy to assemble, the first insulator and the second insulator cannot move left and right, reliability is high, and performance indexes are improved.

2. The SBMA-SMP radio frequency coaxial adapter is characterized in that a first insulator is firstly installed from the right end of a first shell, an inner conductor, a second insulator and a second shell are sequentially installed from the right end of the first shell, a first sealing ring, a clamping ring, a third shell and a second sealing ring are sequentially installed, a section of air medium is reserved between a small hole in the first shell and the first insulator, the adapter performance is further improved due to the section of air medium, the first insulator cannot move towards the left end due to the small hole, the first insulator cannot move towards the right end due to the step, the step arranged at the contact part of the right end of the first shell and the second insulator and the step arranged at the contact part of the inner conductor and the left end of the second insulator prevent the second insulator from moving towards the left and right, finally, the adapter performance can be improved by the boss arranged at the left end of the second insulator and the annular groove arranged at the right end, the first insulator is not in contact with the second insulator, so that an air medium is formed between the middle section of the inner conductor and the first shell, and the problem that when the SBMA-SMP adapter is applied to an expansion layer adapter plate, an integral channel formed by other connectors, the adapter and cables needs to be tested, the performance index of the SBMA-SMP adapter is in a frequency range of 6-18GHZ, standing waves are required to be less than 1.25, when the conventional SBMA-SMP adapter is applied to the expansion layer adapter plate, the performance index cannot meet the use requirement of a user, the standing waves are averagely 1.3, and under the background, in order to meet the use requirement of the user, the performance index of the SBMA-SMP adapter is improved urgently.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1 inner conductor, 2 first insulator, 3 second insulator, 4 first shell, 5 second shell, 6 third shell, 7 snap rings, 8 first sealing rings, 9 second sealing rings.

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.

Referring to fig. 1-3, an SBMA-SMP rf coaxial adapter comprises an inner conductor 1, a first insulator 2 connected to the left end of the inner conductor 1, a section of air dielectric left between the small hole and the first insulator 2, so that the first insulator 2 does not move to the left end, and performance index is improved, a step is provided at the contact portion between the inner conductor 1 and the right end of the first insulator 2, so that the first insulator 2 does not move to the right end, and the first insulator and the second insulator do not contact, so that the air dielectric is provided between the middle section of the inner conductor 1 and the first housing 4, an air dielectric is provided between the right end of the inner conductor 1 and the second housing 5, a second insulator 3 is connected to the right end of the inner conductor 1, a boss is provided at the left end of the second insulator 3, and an annular groove provided at the second insulator 3 can improve performance of the adapter, steps provided at the contact portion between the first housing and the right end of the second insulator, and a contact portion between the right end of the inner conductor 1 and the second insulator 3, and a second insulator 4, and a snap ring provided at the left end of the second insulator 3 can prevent the second insulator from moving, a simple seal ring 7 is provided between the outer surface of the outer housing 4 and the outer housing 4, a snap ring 6 provided at the outer surface of the outer housing 4, a third housing 4 is provided at the outer surface of the outer housing 4 and the outer housing 4, a simple seal ring 6, a snap ring 6 provided between the outer housing 4 and the outer housing 6 and the inner housing 4, a simple connector is provided with a snap ring 6, a snap ring 6 is provided at the inner housing 4 is provided at the inner surface of the inner housing 4, and a simple structure for easy-to connect the inner housing 4, a simple structure for transferring the inner housing 4, a snap ring 6, the reliability is high and the performance index is improved.

When in implementation, the method comprises the following steps:

1) Firstly, the first insulator 2 is arranged from the right end of the first shell 4, and then the inner conductor 1, the second insulator 2 and the second shell 5 are arranged from the right end of the first shell 4 in sequence;

2) Then a first sealing ring 8, a snap ring 7, a third shell 6 and a second sealing ring 9 are sequentially arranged;

3) A section of air medium is reserved between the first shell small hole and the first insulator 2, the performance of the adapter is further improved by the section of air medium, the first insulator cannot move towards the left end due to the first shell small hole, and the first insulator 2 cannot move towards the right end due to the step on the inner conductor;

4) The adapter performance can be improved by the boss arranged at the left end of the second insulator 3 and the annular groove arranged at the right end;

5) The step that first shell 4 and the contact position of second insulator 3 right-hand member set up to and the step that the contact position of inner conductor 1 and the left end of second insulator 3 set up, can make second insulator 3 not control the drunkenness.

In summary, according to the SBMA-SMP radio frequency coaxial adapter, an air medium is arranged between the middle section of the inner conductor 1 and the first housing 4, an air medium is arranged between the right end of the inner conductor 1 and the second housing 5, a contact portion between the first housing 4 and the left end surface of the first insulator 2 is set to be a small hole, a section of air medium is left between the small hole and the first insulator 2, so that the first insulator 2 does not move towards the left end, and performance indexes are improved, a step is arranged at a contact portion between the inner conductor 1 and the right end of the first insulator 2, so that the first insulator 2 does not move towards the right end, a boss arranged at the left end of the second insulator 3 and an annular groove arranged at the right end can improve the performance of the adapter, a step arranged at a contact portion between the right end of the first housing 4 and the second insulator 3, and a step arranged at a contact portion between the left end of the inner conductor 1 and the second insulator 3 can prevent the second insulator 3 from moving towards the left and right. Through the arrangement, the SBMA-SMP radio frequency coaxial adapter is simple in structure and easy to assemble, the first insulator 2 and the second insulator 3 do not move left and right with the inner conductor 1, the first insulator and the second insulator are not in contact, an air medium is left between the middle section of the inner conductor and the first shell, and performance indexes are improved while the reliability is high.

The first insulator 2 is firstly installed from the right end of the first shell 4, the inner conductor 1, the second insulator 2 and the second shell 5 are sequentially installed from the right end of the first shell 4, then the first sealing ring 8, the clamping ring 7, the third shell 6 and the second sealing ring 9 are sequentially installed, a section of air medium is reserved between the small hole and the first insulator 2, the air medium improves the performance of the adapter, the small hole enables the first insulator 2 not to move towards the left end, the step enables the first insulator 2 not to move towards the right end, the step arranged at the contact position of the right end of the first shell 4 and the second insulator 3 and the step arranged at the contact position of the left end of the inner conductor 1 and the second insulator 3 can enable the second insulator 3 not to move towards the left end and the right end, finally, a boss arranged at the left end of the second insulator 3 and a ring groove arranged at the right end can improve the performance of the adapter, and the problem that when the SBMA-SMP adapter is applied to an expansion layer adapter, the integral channel formed by other connectors, the adapter, the SMP adapter and the cable and the SMP adapter can meet the average performance test requirement of SBMA-10-GHZ index of the SBMA-10, and the standard of the SBMA-SMP adapter can meet the requirement of the standard of the user and the standard of the user.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a SBMA-SMP radio frequency coaxial adapter, includes inner conductor (1), first insulator (2), second insulator (3), first shell (4), second shell (5), third shell (6), snap ring (7), first sealing washer (8) and second sealing washer (9), its characterized in that: the left end of inner conductor (1) is connected with first insulator (2), the right-hand member of inner conductor (1) is connected with second insulator (3), the surface of first insulator (2) and second insulator (3) all is connected with first shell (4), the right-hand member surface of first shell (4) is connected with second shell (5), the surface swing joint of first shell (4) has third shell (6), snap ring (7) are equipped with between first shell (4) surface and third shell (6) inside, first shell (4) and third shell (6) right-hand member connector department are equipped with first sealing washer (8), the surface of second shell (5) is equipped with second sealing washer (9).

2. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: first insulator (2), inner conductor (1) and second insulator (3) all cup joint the inside in first shell (4), second shell (5), first sealing washer (8), snap ring (7) and third shell (6) all are located the surface of first shell (4), second sealing washer (9) suit is at second shell (5) surface.

3. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: a through hole is formed in the first insulator (2), the through hole is located in the middle of the first insulator (2), and the first insulator (2) is connected with the inner conductor (1) in an inserting mode through the through hole.

4. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: the outer fixed surface of first insulator (2) is connected with the boss, the quantity of boss is two, two the boss is located both ends about first insulator (2) respectively.

5. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: the contact position of the outer surface of the first shell (4) and the left end of the first insulator (2) is provided with a small hole, and the small hole is not attached to the first insulator (2).

6. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: the inner conductor (1) and the contact position of the right end of the first insulator (2) are fixedly connected with steps, a boss is arranged at the left end of the second insulator (3), and an annular groove is formed in the right end of the second insulator (3).

7. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: the step is arranged at the connecting part of the first shell (4) and the right end of the second insulator (3), and the step is arranged at the connecting part of the outer surface of the inner conductor (1) and the left end of the second insulator (3).

8. The SBMA-SMP radio frequency coaxial adapter of claim 1, wherein: contactless between first insulator (2) and second insulator (3), be equipped with the aperture between the interlude of inner conductor (1) and first shell (4).