CN210167598U

CN210167598U - SMB type radio frequency coaxial connector

Info

Publication number: CN210167598U
Application number: CN201921113406.5U
Authority: CN
Inventors: 邓忠
Original assignee: Jiangsu Guangda Precision Electronics Co Ltd
Current assignee: Jiangsu Guangda Precision Electronics Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-03-20
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a SMB type radio frequency coaxial connector, including the outer conductor, the inner chamber of outer conductor is provided with the plug connector, the outer wall of plug connector is equipped with the inserting groove, the inner chamber of plug connector is provided with the insulator, it has central needle to peg graft in the inner chamber of insulator, the right side rigid coupling of outer conductor has threaded connection spare, threaded connection spare's outer wall has cup jointed first ring and second ring, and the second ring is located the right side of first ring, threaded connection spare's right side rigid coupling has the spiro union ring, the right side wall rigid coupling of spiro union ring has the mounting, the bottom four corners rigid coupling of mounting has the fixed weld foot, the bottom center of mounting is pegged graft and is had central conductor. The utility model provides a solved present radio frequency coaxial connector's voltage standing wave ratio and insertion loss's index uniformity relatively poor, and the steadiness is relatively poor after pegging graft, does not have fixed protection device's problem.

Description

SMB type radio frequency coaxial connector

Technical Field

The utility model relates to a radio frequency coaxial connector technical field specifically is a SMB type radio frequency coaxial connector.

Background

A radio frequency coaxial connector is generally considered to be a component attached to a cable or mounted on an instrument as a component to which a transmission line is electrically connected or separated. The bridge belongs to a mechanical and electrical integration product, and simply speaking, the bridge mainly plays a role of a bridge.

The existing radio frequency coaxial connector has the problems that the index consistency of the voltage standing wave ratio and the insertion loss is poor, the stability after plugging is poor, and a protection device is not fixed, so that an SMB type radio frequency coaxial connector is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a SMB type radio frequency coaxial connector has solved present radio frequency coaxial connector's voltage standing wave ratio and insertion loss's index uniformity relatively poor, and the steadiness is relatively poor after pegging graft, does not have fixed protection device's problem.

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

the utility model provides a SMB type radio frequency coaxial connector, includes the outer conductor, the right side rigid coupling of outer conductor has threaded connection spare, first ring and second ring have been cup jointed to threaded connection spare's outer wall, and the second ring is located the right side of first ring, threaded connection spare's right side rigid coupling has the spiro union ring, the right side wall rigid coupling of spiro union ring has the mounting, the bottom four corners rigid coupling of mounting has the fixed welding foot, the bottom center of mounting is pegged graft and is had central conductor.

The SMB type radio frequency coaxial connector is characterized in that the inner cavity of the outer conductor is provided with a plug connector, the outer wall of the plug connector is provided with a plug-in slot, the inner cavity of the plug connector is provided with an insulator, and the inner cavity of the insulator is plugged with a center pin.

The SMB type radio frequency coaxial connector is characterized in that the insertion grooves are provided with a plurality of groups, and the insertion grooves are arranged along the outer wall of the plug connector in a circumferential array manner.

In the foregoing SMB type radio frequency coaxial connector, the threaded connection member is threadedly connected to the threaded ring.

In the SMB type radio frequency coaxial connector, the total length of the outer conductor, the threaded connecting piece, the threaded ring and the fixing piece is 20-25 mm.

In the SMB type radio frequency coaxial connector, a sealing gasket is disposed at a joint between the screw ring and the fixing member.

The utility model has the advantages that: the utility model has the advantages of reasonable design, the inner chamber of outer conductor is provided with the plug connector, the inner chamber of plug connector is provided with the insulator, can effectively guarantee the fixing of insulator, simultaneously be favorable to the inspection, make the electrical property index good, the uniformity is good, the space utilization of complete machine is improved, and can guarantee that the insulator is pressed and fixed in place, make the electrical property index good, the uniformity is good, the inserting groove is provided with a plurality of groups, and the inserting groove is arranged along the outer wall of plug connector in a circumferential array form, the inserting efficiency is high, the assembly connection is convenient, the joint of the spiro union ring and the fixing piece is provided with the sealing gasket, the sealing performance is also strengthened, the entering of dust is reduced, the influence of long-time use dust on the cable is reduced, the bottom four corners of the fixing piece are fixedly connected with the fixed welding feet, the four fixed, the problems that the index consistency of the voltage standing wave ratio and the insertion loss of the existing radio frequency coaxial connector is poor, the stability after the connector is plugged is poor, and a protection device is not fixed are solved.

Drawings

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

fig. 2 is a schematic diagram of the inner cavity structure of the outer conductor.

In the figure: 1. the outer conductor 101, the plug connector 102, the plug groove 103, the insulator 104, the center pin 2, the threaded connector 3, the first ring 4, the second ring 5, the screw connection ring 6, the fixing piece 7, the fixed welding pin 8 and the center conductor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

Referring to FIGS. 1-2: an SMB type radio frequency coaxial connector comprises an outer conductor 1, an inner cavity of the outer conductor 1 is provided with a plug connector 101, the outer wall of the plug connector 101 is provided with a plug-in groove 102, the inner cavity of the plug connector 101 is provided with an insulator 103, the inner cavity of the insulator 103 is plugged with a central needle 104, the plug-in groove 102 is provided with a plurality of groups, the plug-in grooves 102 are arranged along the outer wall of the plug connector 101 in a circumferential array manner, the right side of the outer conductor 1 is fixedly connected with a threaded connector 2, the outer wall of the threaded connector 2 is sleeved with a first ring 3 and a second ring 4, the second ring 4 is positioned on the right side of the first ring 3, the right side of the threaded connector 2 is fixedly connected with a threaded ring 5, the threaded connector 2 is in threaded connection with the threaded ring 5, the right side wall of the threaded connector 5 is fixedly connected with a fixing piece 6, the total length of the outer conductor 1, the threaded connector 2, the threaded ring 5 and, fixed welding feet 7 are fixedly connected to four corners of the bottom of the fixing piece 6, and a central conductor 8 is inserted into the center of the bottom of the fixing piece 6.

To sum up, when the utility model is used, the inner cavity of the outer conductor 1 is provided with the plug connector 101, the inner cavity of the plug connector 101 is provided with the insulator 103, the fixation of the insulator 103 can be effectively ensured, simultaneously, the inspection is facilitated, the electrical performance index is excellent, the consistency is good, the space utilization rate of the whole machine is improved, and the press-fit fixation of the insulator 103 can be ensured, the inserting groove 102 is provided with a plurality of groups, and the inserting groove 102 is arranged along the outer wall of the plug connector 101 in a circumferential array shape, the inserting efficiency is high, the assembly connection is convenient, the joint of the bolt connection ring 5 and the fixing part 6 is provided with the sealing gasket, the sealing performance is enhanced, the entering of dust is reduced, the influence of the dust used for a long time on the cable is reduced, the fixed welding pins 7 are fixedly connected at the four corners of the bottom of the fixing part, the, the problems that the index consistency of the voltage standing wave ratio and the insertion loss of the existing radio frequency coaxial connector is poor, the stability after the connector is plugged is poor, and a protection device is not fixed are solved.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An SMB type radio frequency coaxial connector, comprising an outer conductor (1), characterized in that: the right side rigid coupling of outer conductor (1) has threaded connection spare (2), the outer wall of threaded connection spare (2) has cup jointed first ring (3) and second ring (4), and second ring (4) are located the right side of first ring (3), the right side rigid coupling of threaded connection spare (2) has spiro union ring (5), the right side wall rigid coupling of spiro union ring (5) has mounting (6), the bottom four corners rigid coupling of mounting (6) has fixed welding foot (7), the bottom center grafting of mounting (6) has central conductor (8).

2. An SMB type radio frequency coaxial connector according to claim 1, characterized in that: the inner cavity of the outer conductor (1) is provided with a plug connector (101), the outer wall of the plug connector (101) is provided with a plug slot (102), the inner cavity of the plug connector (101) is provided with an insulator (103), and the inner cavity of the insulator (103) is plugged with a center needle (104).

3. An SMB type radio frequency coaxial connector according to claim 2, characterized in that: the plug-in connection grooves (102) are provided with a plurality of groups, and the plug-in connection grooves (102) are arranged along the outer wall of the plug connector (101) in a circumferential array manner.

4. An SMB type radio frequency coaxial connector according to claim 1, characterized in that: the threaded connecting piece (2) is in threaded connection with the threaded connecting ring (5).

5. An SMB type radio frequency coaxial connector according to claim 1, characterized in that: the total length of the outer conductor (1), the threaded connecting piece (2), the threaded ring (5) and the fixing piece (6) is 20-25 mm.

6. An SMB type radio frequency coaxial connector according to claim 1, characterized in that: and a sealing gasket is arranged at the joint of the screw joint ring (5) and the fixing piece (6).