Plum-blossom needle type microstrip radio frequency coaxial connector

Abstract

The plum-blossom needle type microstrip radio frequency coaxial connector comprises a plug, the plug comprises a shell, an insulator and a contact pin, the contact pin is fixedly installed in the insulator in a penetrating mode, the insulator is fixedly installed in the shell, an axial groove is formed in the head of one end of the contact pin, the groove penetrates through the head of one end of the contact pin, and the contact pin is fixedly installed in the shell. An annular protrusion is arranged outside the head of the end, provided with the groove, of the contact pin, and conical surfaces are arranged on the two sides of the annular protrusion. According to the utility model, the head part of one end of the pin of the plug is provided with the axial groove, and the groove is cross-shaped to form the plum-blossom pin type pin, so that the structure is adjusted, the traditional microstrip welding structure is changed, and the traditional microstrip welding connection mode is expanded. The structure is reliable, the use is convenient, and the consistency of electrical performance is ensured. Meanwhile, the structure product is simple in installation procedure and high in machining efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of connectors, and particularly relates to a plum blossom pin type microstrip radio frequency coaxial connector. Background Technique

[0002] With the continuous progress of electronic devices and electronic instruments, it is also required that the electrical connectors used on the devices and instruments develop in the direction of high density, miniaturization, and light weight, and it is necessary to provide high installation efficiency, diversified use environments, and firm and reliable product use processes. It mainly consists of a central inner conductor (plug pin / socket jack), an insulator, and an outer conductor (outer shell).

[0003] However, compared with the traditional radio frequency coaxial connector microstrip that usually uses a solid metal rod as the tail connection structure: the traditional radio frequency coaxial connector microstrip usually uses a solid metal rod as the tail connection structure, and its structure connection method mainly uses microstrip tail welding to achieve the connection between the two structures; the installation process of its structure product is complex, the efficiency is low, and there is a hidden danger of false soldering at the tail connection during the welding process, resulting in poor electrical performance and affecting the product use. Summary of the Utility Model

[0004] The utility model provides a plum blossom pin type microstrip radio frequency coaxial connector, which is used to solve the technical problems in the prior art of the background technique that the installation process of the radio frequency coaxial connector is complex, the efficiency is low, and there is a hidden danger of false soldering at the tail connection during the welding process, resulting in poor electrical performance and affecting the product use.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a plum blossom pin type microstrip radio frequency coaxial connector, including a plug, the plug includes an outer shell, an insulator, and a pin. The pin is fixedly installed through the insulator, the insulator is fixedly installed inside the outer shell, an axial groove is opened at one end head of the pin, the groove penetrates through one end head of the pin, and an annular protrusion is arranged outside the end head of the pin where the groove is opened, and both sides of the annular protrusion are conical surfaces.

[0006] Preferably, a sealing ring is sleeved outside the outer shell, and flange holes are opened on the outer shell.

[0007] Preferably, the groove is in a cross shape.

[0008] Preferably, a potting groove is opened outside the pin, and potting holes are opened on both the insulator and the outer shell. The potting holes are communicated with the potting groove, and glue is injected into the potting holes to realize the fixation between the outer shell, the insulator, and the pin.

[0009] Preferably, the outer shell, the insulator, and the pin are concentrically arranged.

[0010] Preferably, one end of the pin away from the groove is used for connecting to the connector.

[0011] Preferably, the material of the insulator is polytetrafluoroethylene.

[0012] Preferably, the material of the pin is beryllium bronze.

[0013] Advantages of the present utility model:

[0014] One end of the pin of the plug of the present utility model is provided with an axial groove at the head. The groove is in a cross shape to form a plum blossom needle type pin. The cross-shaped plum blossom makes the pin elastic and relatively stable after connection. The present utility model adjusts from the structure, changes the traditional microstrip welding structure, and expands the traditional microstrip welding connection method. Its structure is reliable, easy to use, and ensures the consistency of electrical performance. At the same time, the installation process of the structural product of the present utility model is simple and the processing efficiency is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic cross-sectional structure diagram of the plug of a plum blossom needle type microstrip RF coaxial connector of the present utility model;

[0016] Figure 2 It is a structure diagram of the housing of a plum blossom needle type microstrip RF coaxial connector of the present utility model;

[0017] Figure 3 It is a structure diagram of the insulator of a plum blossom needle type microstrip RF coaxial connector of the present utility model;

[0018] Figure 4 It is a structure diagram of the pin of a plum blossom needle type microstrip RF coaxial connector of the present utility model.

[0019] In the figure: housing 1, flange hole 101, sealing ring 2, insulator 3, potting hole 301, pin 4, groove 401, annular protrusion 402, potting groove 403, glue 5. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Now, the specific embodiments of the present utility model will be described comprehensively with reference to the accompanying drawings. For the sake of clarity, many physical details will be described together in the following description. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are not necessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

[0021] The present utility model is as Figures 1 to 4As shown in the figure, a plum blossom pin type microstrip RF coaxial connector includes a plug. The plug includes a housing 1, an insulator 3, and a pin 4. The pin 4 is fixedly installed through the inside of the insulator 3. The insulator 3 is fixedly installed inside the housing 1. An axial groove 401 is formed at one end of the pin 4. The groove 401 penetrates through one end of the pin 4. And an annular protrusion 402 is provided outside one end of the pin 4 where the groove 401 is formed. Both sides of the annular protrusion 402 are conical surfaces. The cross-shaped groove structure makes the plug elastic, with good stability after connection and not easily falling off.

[0022] Further, a sealing ring 2 is sleeved outside the housing 1. The sealing ring 2 is used for sealing when the plug of the present invention is connected to the outside. And a flange hole 101 is formed on the housing 1. The flange hole 101 is used as an installation hole when the plug of the present invention is connected to the outside.

[0023] Further, the groove 401 is cross-shaped. And because an annular protrusion 402 is provided outside one end of the pin 4 where the groove 401 is formed, and both sides of the annular protrusion 402 are conical surfaces, the pin 4 at this end has elasticity, and there is a certain resistance during plugging and unplugging, providing stability at the connection part and softness during plugging and unplugging.

[0024] Further, a potting groove 403 is formed outside the pin 4. And potting holes 301 are formed on both the insulator 3 and the housing 1. The potting holes 301 are communicated with the potting groove 403. Glue 5 is injected into the potting holes 301 to fix the housing 1, the insulator 3, and the pin 4.

[0025] Further, the housing 1, the insulator 3, and the pin 4 are all concentrically arranged.

[0026] Further, the end of the pin 4 far from the groove 401 is used for the connection of the connector.

[0027] Further, the material of the insulator 3 is polytetrafluoroethylene. Polytetrafluoroethylene has good insulation performance.

[0028] Further, the material of the pin 4 is beryllium bronze. Beryllium bronze has good elasticity.

[0029] During use, the pin 4 is installed inside the insulator 3. The combination after the pin 4 is installed inside the insulator 3 is installed inside the plug housing 1. Then the three are fixed with fixing glue 5, and the plum blossom pin type microstrip RF coaxial connector of the present invention can be assembled. The plum blossom pin type pin 4 is connected to the external jack to achieve the connection between the two structures. It expands the traditional microstrip welding connection method of the connector, can ensure the consistency of electrical performance, and improve the product installation efficiency.

[0030] The above are only specific embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, various modifications and variations can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.

Claims

1. A plum blossom needle type microstrip RF coaxial connector, comprising a plug, characterized in that: The plug includes a housing (1), an insulator (3), and a pin (4). The pin (4) is fixedly installed through the inside of the insulator (3). The insulator (3) is fixedly installed inside the housing (1). An axial groove (401) is formed at one end head of the pin (4). The groove (401) penetrates through one end head of the pin (4). And a circular protrusion (402) is arranged outside one end head of the pin (4) where the groove (401) is formed. Both sides of the circular protrusion (402) are conical surfaces.

2. The connector according to claim 1, wherein A sealing ring (2) is sleeved outside the housing (1), and a flange hole (101) is formed on the housing (1).

3. The connector according to claim 1, characterized in that, The groove (401) is in a cross shape.

4. The connector according to claim 1, wherein, A potting groove (403) is formed outside the pin (4). Potting holes (301) are formed on both the insulator (3) and the housing (1). The potting holes (301) are communicated with the potting groove (403). Glue (5) is injected into the potting holes (301) to fix the housing (1), the insulator (3), and the pin (4).

5. The connector according to claim 4, wherein The housing (1), the insulator (3), and the pin (4) are all concentrically arranged.

6. The connector according to claim 1 or 4 or 5, characterized in that, One end of the pin (4) far from the groove (401) is used for electrical connection of the connector.

7. The connector according to claim 1 or 4 or 5, characterized in that, The material of the insulator (3) is polytetrafluoroethylene.

8. The connector according to claim 6, characterized in that, The material of the pin (4) is beryllium bronze.

Images