CN214505985U - Radio frequency coaxial connector in threaded connection - Google Patents
Radio frequency coaxial connector in threaded connection Download PDFInfo
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- CN214505985U CN214505985U CN202023082719.4U CN202023082719U CN214505985U CN 214505985 U CN214505985 U CN 214505985U CN 202023082719 U CN202023082719 U CN 202023082719U CN 214505985 U CN214505985 U CN 214505985U
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Abstract
The utility model discloses a threaded connection's radio frequency coaxial connector, including center needle, insulator and main part, main part and insulator are hollow, and the insulator nestification sets up in the main part, and center needle insertion is adorned in the insulator inside, and the one end of center needle passes the insulator and stands out and locates the outside, and the other end stands out and locates inside the main part; the main part is equipped with the screw thread that is used for with public first threaded connection, and the main part is equipped with and is used for preventing the gliding first overhead kick portion of insulator, and the cross-section of first overhead kick portion is triangle-shaped and encircles and set up on the inside wall of main part. This scheme is through above-mentioned setting, makes the connection of radio frequency coaxial connector public female head adopt threaded connection, has cancelled the original mode of riveting with the crimping cover, has increased joint strength and has ensured the stability of connecting, has improved shielding effect simultaneously and has improved performance such as transmission frequency. And after the insulator is directly pressed into the main body, the main body is fixed by the first inverted hook part in the main body, so that a compression joint tail structure of the main body is eliminated, the use of raw materials is reduced, and the production cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the radio frequency coaxial connector, especially, relate to threaded connection's radio frequency coaxial connector.
Background
With the continuous improvement of performance requirements in the communication industry, the cost reduction of electronic equipment is more and more severe, and meanwhile, the competition among industries is more and more severe due to the stability and development of the market of the radio frequency coaxial connector, so that the radio frequency coaxial connector serving as a main matching product of the electronic equipment is also required to have a better function.
In the prior mobile communication system, a large number of N-type connectors are used for connecting cables or are made into cable components for connecting equipment, and the connectors or the cable components are connected with the cables through riveting, wherein the crimping sleeve is shaped into a regular hexagon after being riveted, the contact surface of the shape and a connector tail end main body is reduced, namely the conductive area is reduced, the shielding effect of the connector is influenced, and the electrical property is poor; in addition, the connection strength of the cable is completely close to the friction force between the riveted joint sleeve and the contact surface of the tail end of the main body, the tensile strength is poor, and the connection tightness of the cable and the main body cannot be guaranteed.
In order to solve the above problems, it is urgently needed to develop a low-cost and high-performance rf coaxial connector.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a threaded connection radio frequency coaxial connector, which comprises a central needle, an insulator and a main body, wherein the main body and the insulator are both hollow parts, the insulator is nested in the main body, the central needle is inserted in the insulator, one end of the central needle penetrates through the insulator and is arranged outside, and the other end of the central needle is arranged inside the main body in a protruding manner; the main part is equipped with the screw thread that is used for with public first threaded connection, and the main part is equipped with and is used for preventing the gliding first overhead kick portion of insulator, and the cross-section of first overhead kick portion is triangle-shaped and encircles and set up on the inside wall of main part. This scheme is through above-mentioned setting, makes the connection of radio frequency coaxial connector public female head adopt threaded connection, has cancelled the original mode of riveting with the crimping cover, has increased joint strength and has ensured the stability of connecting, has improved shielding effect simultaneously and has improved performance such as transmission frequency. And after the insulator is directly pressed into the main body, the main body is fixed by the first inverted hook part in the main body, so that a compression joint tail structure of the main body is eliminated, the use of raw materials is reduced, and the production cost is reduced.
The purpose of the utility model is realized by adopting the following technical scheme:
the radio frequency coaxial connector in threaded connection comprises a central needle, an insulator and a main body, wherein the main body and the insulator are both hollow pieces, the insulator is nested in the main body, the central needle is inserted in the insulator, one end of the central needle penetrates through the insulator and is arranged outside in a protruding mode, and the other end of the central needle is arranged inside the main body in a protruding mode; the main part is equipped with the screw thread that is used for with public first threaded connection, the main part is equipped with and is used for preventing gliding first overhead kick portion of insulator, the cross-section of first overhead kick portion for triangle-shaped and encircle set up in on the inside wall of main part.
Further, the thread is an external thread and is disposed on an outer sidewall of the body.
Furthermore, a through hole is formed in the main body and is divided into a front section, a middle section and a rear section with different apertures, and the insulator is nested in the rear section of the through hole.
Furthermore, two notches convenient for clamping by a wrench are symmetrically arranged on the outer side wall of the main body.
Furthermore, the central needle is provided with a second barb part, and the cross sectional shape of the second barb part is the same as that of the first barb and the barb is arranged in the opposite direction.
Furthermore, the central needle is provided with a limiting part for preventing the central needle from sliding, and the limiting part is in a protruding circular ring shape.
Furthermore, the side wall of the limiting part is provided with a straight knurling for increasing friction force.
Further, the insulator is made of bakelite.
Furthermore, the surface layer of the main body is processed by silver plating, and the contact is processed by gold plating.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a threaded connection's radio frequency coaxial connector, including center needle, insulator and main part, main part and insulator are hollow, and the insulator nestification sets up in the main part, and center needle insertion is adorned in the insulator inside, and the one end of center needle passes the insulator and stands out and locates the outside, and the other end stands out and locates inside the main part; the main part is equipped with the screw thread that is used for with public first threaded connection, and the main part is equipped with and is used for preventing the gliding first overhead kick portion of insulator, and the cross-section of first overhead kick portion is triangle-shaped and encircles and set up on the inside wall of main part. This scheme is through above-mentioned setting, makes the connection of radio frequency coaxial connector public female head adopt threaded connection, has cancelled the original mode of riveting with the crimping cover, has increased joint strength and has ensured the stability of connecting, has improved shielding effect simultaneously and has improved performance such as transmission frequency. And after the insulator is directly pressed into the main body, the main body is fixed by the first inverted hook part in the main body, so that a compression joint tail structure of the main body is eliminated, the use of raw materials is reduced, and the production cost is reduced.
Drawings
Fig. 1 is a front view of a preferred embodiment of the threaded rf coaxial connector of the present invention;
fig. 2 is a right side view of a preferred embodiment of the threaded rf coaxial connector of the present invention;
FIG. 3 is a front view of a preferred embodiment of the body of the present invention;
FIG. 4 is an enlarged partial view of A of FIG. 3;
fig. 5 is a front view of a preferred embodiment of the insulator of the present invention;
FIG. 6 is an elevation view of a preferred embodiment of the center needle of the present invention;
fig. 7 is a partially enlarged view of B in fig. 6.
In the figure: 100. a radio frequency coaxial connector in threaded connection; 1. a main body; 11. a thread; 12. a first inverted hook part; 13. a through hole; 14. a notch; 2. an insulator; 3. a central needle; 31. a second inverted hook part; 32. a limiting part.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
The radio frequency coaxial connector 100 of the utility model with threaded connection is shown in fig. 1-7, and comprises a central needle 3, an insulator 2 and a main body 1, wherein the main body 1 and the insulator 2 are both hollow pieces, the insulator 2 is nested in the main body 1, the central needle 3 is inserted in the insulator 2, one end of the central needle 3 passes through the insulator 2 and is protrudingly arranged outside, and the other end is protrudingly arranged in the main body 1; the main body 1 is provided with a thread 11 for being connected with the male thread 11, the main body 1 is provided with a first inverted hook part 12 for preventing the insulator 2 from sliding, and the cross section of the first inverted hook part 12 is triangular and is arranged on the inner side wall of the main body 1 in a surrounding manner. This scheme is through above-mentioned setting, makes the connection of radio frequency coaxial connector public female head adopt screw thread 11 to connect, has cancelled the original mode of riveting with the crimping cover, has increased joint strength and has ensured the stability of connecting, has improved shielding effect simultaneously and has improved performance such as transmission frequency. And after the insulator 2 is directly pressed into the main body 1, the insulator is fixed by the first inverted hook part 12 in the main body 1, so that a compression joint tail structure of the main body 1 is eliminated, the use of raw materials is reduced, and the production cost is reduced.
The radio frequency coaxial connector in this embodiment is female, wherein screw thread 11 be external screw thread 11 and set up in on the lateral wall of main part 1, this external screw thread 11 is realized being connected the cooperation with internal thread 11 on the public head and is fixed to this need not the original crimping cover riveting of reuse, has guaranteed to have sufficient area of contact with the connector, and electrically conductive effect can not receive the influence, and shielding effect is more stable.
In this embodiment, the main body 1 is further provided with a through hole 13 therein, the through hole 13 is divided into a front section, a middle section and a rear section, the through holes 13 have different apertures, wherein the apertures of the through holes 13 at the two ends are larger, the aperture of the middle section is smaller, the insulator 2 is nested in the rear section of the through hole 13, the center pin 3 is inserted into the insulator 2, one end of the center pin penetrates through the insulator 2, a part of the center pin protrudes out of the rear end of the main body 1, a part of the center pin protrudes out of the through hole 13 of the main body 1, and the center pin does not extend out of the main body 1, thereby forming a radio frequency coaxial connector through assembly
Preferably, be equipped with the breach 14 of the spanner centre gripping of being convenient for of two at least on the 1 lateral wall of main part, because the connection between the public female head of radio frequency coaxial connector in this scheme is threaded 11 connection, and the public female head of radio frequency coaxial connector all is the cylinder usually, therefore both when connecting or both when the dismouting, the rotation takes place for equal difficult atress, and this breach 14 sets up then provides the stress surface, but the staff hand snatchs or realizes the rotation of radio frequency coaxial connector through the breach 14 of this symmetry of instrument centre gripping such as spanners, ensure the compactness of connecting, or it is more convenient to make the disassembly.
In this embodiment, the central needle 3 is provided with a second barb portion 31, and the cross-sectional shape of the second barb portion 31 is the same as that of the first barb and the barb is arranged in the opposite direction. The function of the second hook 31 is the same as that of the first hook 12, and the second hook is used for fixing the insulator 2, wherein the first hook 12 is disposed on the inner sidewall of the rear hole of the main body 1 where the through hole 13 is located, and is used for fixing the insulator 2 in the rear through hole 13 of the main body 1. The second barb 31 is arranged on the central needle 3, the position of the second barb 31 is just the position of the central needle 3 inserted on the insulator 2, the central needle 3 and the insulator 2 are fixed by the contact of the second barb 31 and the insulator 2, and meanwhile, the arrangement directions of the first barb 12 and the second barb 31 are opposite, so that the sliding of the insulator 2 can be limited after the assembly is completed, and the connection of the first barb 12 and the second barb 31 is more stable.
Preferably, in order to make the assembly between the central needle 3 and the insulator 2 more firm, the central needle 3 is provided with a limiting portion 32 for preventing the central needle 3 from sliding, the limiting portion 32 is in a protruding annular shape, and after the central needle 3 and the insulator 2 are installed and matched, the limiting portion 32 and the insulator 2 form an interference fit.
Correspondingly, the through hole 13 of the insulator 2 is internally provided with annular grooves with the same shape corresponding to the first inverted hook part 12, the second inverted hook part 31 and the limiting part 32, and when the main body 1, the insulator 2 and the central needle 3 are assembled, the three parts can be mutually buckled to ensure the tightness of assembly connection.
Preferably, be equipped with the straight line annular knurl that increases frictional force on spacing portion 32's the lateral wall, straight line annular knurl stripe and insulator 2's inner wall in close contact with have greatly increased the resistance between central needle 3 and the insulator 2, can effectively prevent the rear end cable twist-off scheduling problem that causes because of rotating after the assembly connection.
The radio frequency coaxial connector is firm in structure, a quick plug connection mode is adopted, the surface layer of the main body 1 is subjected to silver plating treatment, the contact is subjected to gold plating treatment, the insulator 2 is made of bakelite, the transmission frequency of the radio frequency coaxial connector can be improved to 11GHz from the original 6GHz, and the performance of the radio frequency coaxial connector is greatly improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (9)
1. Threaded connection's radio frequency coaxial connector, its characterized in that: the insulation device comprises a central needle, an insulator and a main body, wherein the main body and the insulator are both hollow pieces, the insulator is nested in the main body, the central needle is inserted in the insulator, one end of the central needle penetrates through the insulator and is arranged outside in a protruding mode, and the other end of the central needle is arranged inside the main body in a protruding mode; the main part is equipped with the screw thread that is used for with public first threaded connection, the main part is equipped with and is used for preventing gliding first overhead kick portion of insulator, the cross-section of first overhead kick portion for triangle-shaped and encircle set up in on the inside wall of main part.
2. The threaded rf coaxial connector of claim 1, wherein: the thread is an external thread and is arranged on the outer side wall of the main body.
3. The threaded rf coaxial connector of claim 1, wherein: the insulator is characterized in that a through hole is formed in the main body and is divided into a front section, a middle section and a rear section, wherein the apertures of the front section, the middle section and the rear section are different from each other, and the insulator is nested in the rear section of the through hole.
4. The threaded rf coaxial connector of claim 1, wherein: two notches convenient for clamping the wrench are symmetrically arranged on the outer side wall of the main body.
5. The threaded rf coaxial connector of claim 1, wherein: the central needle is provided with a second barb part, and the cross sectional shape of the second barb part is the same as that of the first barb and the barb is arranged in the opposite direction.
6. The threaded rf coaxial connector of claim 1, wherein: the central needle is provided with a limiting part for preventing the central needle from sliding, and the limiting part is in a protruding circular ring shape.
7. The threaded rf coaxial connector of claim 6, wherein: and the side wall of the limiting part is provided with a straight knurling for increasing friction force.
8. The threaded rf coaxial connector of claim 1, wherein: the insulator is made of bakelite.
9. The threaded rf coaxial connector of claim 1, wherein: the surface layer of the main body is processed by silver plating, and the contact is processed by gold plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082719.4U CN214505985U (en) | 2020-12-18 | 2020-12-18 | Radio frequency coaxial connector in threaded connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023082719.4U CN214505985U (en) | 2020-12-18 | 2020-12-18 | Radio frequency coaxial connector in threaded connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214505985U true CN214505985U (en) | 2021-10-26 |
Family
ID=78207733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023082719.4U Active CN214505985U (en) | 2020-12-18 | 2020-12-18 | Radio frequency coaxial connector in threaded connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214505985U (en) |
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2020
- 2020-12-18 CN CN202023082719.4U patent/CN214505985U/en active Active
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