CN216015903U

CN216015903U - High-frequency radio frequency connector

Info

Publication number: CN216015903U
Application number: CN202120357816.5U
Authority: CN
Inventors: 李林涛
Original assignee: Suzhou Goto Microwave Technology Co ltd
Current assignee: Suzhou Goto Microwave Technology Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2022-03-11
Anticipated expiration: 2031-02-07

Abstract

The utility model discloses a high-frequency radio frequency connector which comprises a first shell and a second shell vertically arranged with the first shell. First casing and second casing interference fit, and be provided with the first sealing washer between first casing and the second casing sealed between them, interference is pegged graft in the first casing and is had first insulator, first insulator's length is less than first casing, and first insulator and the one end that first casing is close to the second casing flush, interference is pegged graft in the second casing and is had the second insulator, the second insulator is perpendicular with first insulator's axis, wear to be equipped with L type center needle jointly in first insulator and the second insulator, first insulator is extended to L type center needle one end, other end electric connection has the connection needle, connection needle electric connection has the cable. The assembly is simple, the leakproofness is good, has improved operating frequency greatly.

Description

High-frequency radio frequency connector

Technical Field

The utility model relates to the technical field of cable connectors, in particular to a high-frequency radio frequency connector.

Background

The connector is a widely used coaxial connector with small-sized threaded connection, and has the characteristics of wide frequency band, excellent performance, high reliability and long service life. TNC connectors are suitable for use with flexible and semi-rigid cables within a standard range and also for panel-mount and PCB-mount applications, which have a variety of applications. The radio frequency microwave cable is not easy to bend, the surface insulating high polymer material can be rapidly aged when the bending radius is too small, and meanwhile, the copper conductor can be aged due to the reduction of the fatigue life caused by the bending force, so that the radio frequency connector with a 90-degree bend angle appears in the market. The existing radio frequency connector has a complex structure and poor sealing performance, the working frequency is 11GHz, and the actual requirements cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide the high-frequency radio frequency connector which is simple to assemble, has good sealing performance and greatly improves the working frequency.

In order to achieve the above purposes, the utility model adopts the technical scheme that: a high frequency radio frequency connector comprising a first housing and a second housing disposed perpendicular to the first housing, the high frequency radio frequency connector comprising: the first shell and the second shell are assembled in an interference fit mode, a first sealing ring for sealing the first shell and the second shell is arranged between the first shell and the second shell, a first insulator is inserted into the first shell in an interference fit mode, the length of the first insulator is smaller than that of the first shell, one end, close to the second shell, of the first insulator and one end, close to the second shell, of the first shell are flush, a second insulator is inserted into the second shell in an interference fit mode, the second insulator is perpendicular to the axis of the first insulator, an L-shaped center needle is arranged in the first insulator and the second insulator in a penetrating mode, the first insulator extends out of one end of the L-shaped center needle, the other end of the L-shaped center needle is electrically connected with a connecting needle, and the connecting needle is electrically connected with a cable.

The utility model has the beneficial effects that: when the high-frequency radio frequency connector realizes a 90-degree corner, the first sealing ring improves the sealing performance, dust in the first shell and the second shell enters the first shell and the second shell to reduce electromagnetic interference, and the first insulator, the second insulator and the L-shaped center pin are arranged to reduce the influence on the frequency of the L-shaped center pin, so that the working frequency of the connector is greatly improved and can reach 18 GHz.

Further, the connecting needle comprises a needle point portion and a connecting portion, the needle point portion is arranged in a stepped mode, the diameter of the needle point portion is smaller than that of the connecting portion, a first groove for inserting the needle point portion is formed in the L-shaped central needle, a second groove is formed in one end, far away from the needle point portion, of the connecting portion, and the electric core of the cable extends into the second groove and is fixedly welded with the connecting portion. The cable is welded with the connecting pin, then the connecting pin is inserted into the L-shaped central pin, and the L-shaped central pin is fixed in the first shell and the second shell, so that the installation is convenient, and the cable replacement is convenient.

Further, the inner wall of the first shell is provided with a first convex ring, the first insulator is provided with a first stepped structure matched with the first convex ring, and the first convex ring is matched with the first stepped structure to limit the distance of the first insulator inserted into the first shell. The inner wall of the second shell is provided with a second convex ring, and the end part of the second insulator is abutted against the second shell, so that the distance of the second insulator inserted into the second shell is limited.

Further, first casing is including the fixed part that can extend into in the second casing, fixed part and second casing clearance connection, be provided with the recess of locking fixed part and second casing on the second casing outer wall. After the first shell and the second shell are assembled, the first shell and the second shell are used

The joint of the second shell and the first shell of the punching needle is collapsed, and the thread is damaged to prevent the L-shaped central needle from being screwed out.

Further, a sealing groove is formed in the first shell, the first sealing ring is embedded in the sealing groove and can abut against the second shell, and the first sealing ring is made of fluororubber.

Further, the threaded sleeve is sleeved at one end, far away from the second shell, of the first shell through the clamping ring, the first shell extends out of one end of the threaded sleeve, and the second sealing ring is arranged between the first shell and the threaded sleeve.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a first housing in an embodiment of the utility model;

FIG. 3 is a cross-sectional view of a connector pin in an embodiment of the present invention.

In the figure:

1-first shell, 11-first convex ring, 12-fixing part, 13-sealing groove, 2-second shell, 3-first sealing ring, 4-first insulator, 5-second insulator, 6-L-shaped central needle, 61-first open slot, 7-connecting needle, 71-needle tip part, 72-connecting part, 73-second open slot and 8-thread sleeve.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

Examples

Referring to fig. 1-3, the high frequency rf connector of the present invention includes a first housing 1 and a second housing 2 perpendicular to the first housing 1, wherein the cavities of the first housing 1 and the second housing 2 are both cylindrical structures and form an L-shaped connection cavity. The first shell 1 and the second shell 2 are in interference fit, and a first sealing ring 3 for sealing the first shell 1 and the second shell 2 is arranged between the first shell 1 and the second shell 2. The swivel nut 8 has been cup jointed through the snap ring to the one end that second casing 2 was kept away from to first casing 1, and the snap ring is C type loose loop, and first casing 1 is extended to the one end of swivel nut 8, is provided with the second sealing washer between first casing 1 and the swivel nut 8.

The first shell 1 comprises a fixing part 12 which can extend into the second shell 2, the fixing part 12 is in clearance connection with the second shell 2, and a groove for locking the fixing part 12 and the second shell 2 is formed in the outer wall of the second shell 2. After the first and second housings 1 and 2 are assembled, the first and second housings are used

The joint of the punch needle second shell 2 and the first shell 1 is collapsed, and the thread is damaged to prevent the L-shaped central needle 6 from being screwed out.

A sealing groove 13 is formed in the first shell 1, the first sealing ring 3 is embedded in the sealing groove 13 and can be abutted against the second shell 2, and the first sealing ring 3 is made of fluororubber.

First insulator 4 is inserted in first casing 1 in the interference, and the length of first insulator 4 is less than first casing 1, and first insulator 4 flushes with the one end of first casing 1, and the one end that flushes is for being close to the one end of second casing 2. The second insulator 5 is inserted into the second housing 2 in an interference manner, the second insulator 5 is perpendicular to the axis of the first insulator 4, the first insulator 4 and the second insulator 5 are internally provided with an L-shaped center pin 6 in a penetrating manner, one end of the L-shaped center pin 6 extends out of the first insulator 4, and the other end of the L-shaped center pin is electrically connected with a connecting pin 7. The connecting pin 7 is electrically connected with a cable.

The inner wall of first casing 1 is provided with first bulge loop 11, is provided with the first stair structure who matches with first bulge loop 11 on the first insulator 4, and first bulge loop 11 and the cooperation of first stair structure have injectd the distance that first insulator 4 inserted in first casing 1. The inner wall of the second housing 2 is provided with a second bulge loop, and the end of the second insulator 5 abuts against the second housing 2, limiting the distance of insertion of the second insulator 5 into the second housing 2.

The connecting needle 7 comprises a needle point portion 71 and a connecting portion 72 which are arranged in a stepped manner, the diameter of the needle point portion 71 is smaller than that of the connecting portion 72, a first groove 61 for inserting the needle point portion 71 is formed in the L-shaped central needle 6, a second groove 73 is formed in one end, far away from the needle point portion 71, of the connecting portion 72, and a battery core of the cable extends into the second groove 73 and is fixedly welded with the connecting portion 72. The cable welds with connecting needle 7 earlier, inserts L type center needle 6 with connecting needle 7 again, and L type center needle 6 is fixed in first casing 1 and second casing 2, the installation of being convenient for, and is convenient for change the cable.

When the high-frequency radio frequency connector realizes a 90-degree corner, the first sealing ring 3 improves the sealing performance, dust inside the first shell 1 and the second shell 2 is reduced, electromagnetic interference is reduced, the first insulator 4, the second insulator 5 and the L-shaped center pin 6 are arranged, the influence on the frequency of the L-shaped center pin 6 is reduced, the working frequency of the connector is greatly improved, and the working frequency can reach 18 GHz.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and any equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A high frequency radio frequency connector comprising a first housing (1) and a second housing (2) arranged perpendicular to the first housing (1), characterized in that: the first shell (1) and the second shell (2) are assembled in an interference fit mode, a first sealing ring (3) for sealing the joint of the first shell (1) and the second shell (2) is arranged between the first shell (1) and the second shell (2), a first insulator (4) is inserted in the first shell (1) in an interference fit mode, the length of the first insulator (4) is smaller than that of the first shell (1), the first insulator (4) and one end, close to the second shell (2), of the first shell (1) are flush, a second insulator (5) is inserted in the second shell (2) in an interference fit mode, the second insulator (5) is perpendicular to the axis of the first insulator (4), an L-shaped central needle (6) penetrates through the first insulator (4) and the second insulator (5) together, one end of the L-shaped central needle (6) extends out of the first insulator (4), and the other end of the L-shaped central needle is electrically connected with a connecting needle (7), the connecting needle (7) is electrically connected with a cable.

2. A high frequency radio frequency connector as claimed in claim 1, wherein: connect needle (7) including pinpoint portion (71) and connecting portion (72) that become the ladder setting, the diameter of pinpoint portion (71) is less than the diameter of connecting portion (72), set up on L type center needle (6) and supply pinpoint portion (71) male first fluting (61), connecting portion (72) are kept away from the one end of pinpoint portion (71) and have been seted up second fluting (73), the electric core of cable extend into in second fluting (73) and with connecting portion welded fastening.

3. A high frequency radio frequency connector as claimed in claim 1, wherein: the inner wall of first casing (1) is provided with first bulge loop (11), be provided with the first stair structure who matches with first bulge loop (11) on first insulator (4), the inner wall of second casing (2) is provided with the second bulge loop, the tip and the second casing of second insulator (5) support and lean on.

4. A high frequency radio frequency connector as claimed in claim 1, wherein: first casing (1) is including fixed part (12) that can extend into in second casing (2), fixed part (12) and second casing (2) clearance connection, be provided with the recess of locking fixed part and second casing on second casing (2) the outer wall.

5. A high frequency radio frequency connector as claimed in claim 1, wherein: a sealing groove (13) is formed in the first shell (1), the first sealing ring (3) is embedded in the sealing groove (13) and can be abutted to the second shell (2), and the first sealing ring (3) is made of fluororubber.

6. A high frequency radio frequency connector as claimed in claim 1, wherein: the one end that second casing (2) were kept away from in first casing (1) has cup jointed swivel nut (8) through the snap ring, first casing (1) is extended to the one end of swivel nut (8), be provided with the second sealing washer between first casing (1) and swivel nut (8).