Coaxial connector of variable-diameter inner conductor

Abstract

The utility model relates to a coaxial connector of a reducing inner conductor. The coaxial connector comprises an outer conductor, a cavity enclosed by the outer conductor, the inner conductor and sealing glass. The cavity enclosed by the outer conductor comprises a first cavity and a second cavity. The diameter of the second cavity is matched with the diameter of the narrow-diameter section of the inner conductor; the inner conductor comprises a wide-diameter section and a narrow-diameter section, the diameter of the narrow-diameter section is matched with an actually required frequency value, and the wide-diameter section is located in the first cavity; the sealing glass is arranged on the periphery of the narrow-diameter section and located in the second cavity. Compared with the prior art, by adopting the variable-diameter inner conductor and the diameter of the second cavity matched with the variable-diameter inner conductor, signal transmission with the highest frequency of 65GHz is met according to actual use requirements on the premise of not changing an original socket and an original mounting hole.

Description

Technical Field

[0001] The utility model relates to the technical field of coaxial connectors, in particular to a coaxial connector with a variable-diameter inner conductor. Background Art

[0002] Coaxial connector is a common electronic connector, mainly used to connect coaxial cables, including inner conductor and outer conductor. The inner conductor is usually made of metal wire and is responsible for transmitting signals; the outer conductor is usually made of metal tube or metal mesh, which is used to shield signals and prevent electromagnetic interference. Coaxial connector has good impedance matching and can achieve efficient signal transmission; excellent shielding performance can effectively suppress electromagnetic interference, can reliably connect coaxial cables, and ensure signal integrity and safe transmission.

[0003] However, the inner conductor of the coaxial connector in the prior art generally adopts a wire diameter of 0.38 mm, and the diameters at both ends are the same. Since its frequency is below 40 GHz, it cannot be connected with products with higher frequencies. Therefore, it is urgent to study a coaxial connector that can meet high-frequency signal transmission. Utility Model Content

[0004] The purpose of the utility model is to provide a coaxial connector with a variable diameter inner conductor in order to overcome the defects of the above-mentioned prior art. By adopting a variable diameter inner conductor and a diameter of a second cavity matching it, it is possible to achieve signal transmission with a maximum frequency of 65 GHz according to actual use requirements without changing the original socket and the mounting hole.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] The utility model provides a coaxial connector with a variable diameter inner conductor, comprising an outer conductor, a cavity surrounded by the outer conductor, an inner conductor and sealing glass;

[0007] The cavity surrounded by the outer conductor includes a first cavity and a second cavity, and the diameter of the second cavity is matched with the diameter of the narrow diameter section of the inner conductor;

[0008] The inner conductor comprises a wide diameter section and a narrow diameter section, the diameter of the narrow diameter section is set to match the actual required frequency value, and the wide diameter section is located in the first cavity;

[0009] The sealing glass is arranged around the narrow diameter section and is located in the second cavity.

[0010] Furthermore, the wide diameter section and the narrow diameter section are an integrated structure.

[0011] Furthermore, the narrow diameter section passes through and extends out of the second cavity.

[0012] Furthermore, the diameter of the wide diameter section is 0.37-0.38 mm.

[0013] Furthermore, the second cavity is filled with sealing glass, and the first cavity is provided with an upper through groove opening upward.

[0014] Furthermore, the height of the first cavity is 1.7-1.9 mm.

[0015] Furthermore, the height of the second cavity is 1.4-1.6 mm.

[0016] Furthermore, an arc-shaped recess is provided at the end of the sealing glass.

[0017] Furthermore, the outer diameter of the outer conductor surrounding the first cavity is 3.6-3.7 mm.

[0018] Furthermore, the outer diameter of the outer conductor forming the second cavity is 2.4-2.6 mm.

[0019] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0020] The utility model sets the inner conductor into a wide diameter section and a narrow diameter section, fixes the diameter of the wide diameter section, determines the diameter of the narrow diameter section according to the actual required frequency value, and matches the diameter of the second cavity with the diameter of the narrow diameter section of the inner conductor, thereby achieving signal transmission with a maximum frequency of 65 GHz according to actual use requirements without changing the original socket and the mounting hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The figure is a schematic diagram of the structure of a coaxial connector with a variable diameter inner conductor.

[0022] Figure 1 Description of the mark in:

[0023] 1-outer conductor, 2-narrow diameter section, 3-first cavity, 4-wide diameter section, 5-sealing glass. DETAILED DESCRIPTION

[0024] The specific implementation methods of the utility model are described in detail below through examples. These examples are implemented on the premise of the scheme described in the utility model, and provide detailed implementation methods and specific operating processes, but the protection scope of the utility model is not limited to the following examples.

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. Any features such as component models, material names, connection structures, preparation methods, materials, structures or composition ratios not clearly described in this technical solution are deemed to be common technical features disclosed in the prior art.

[0026] Example 1

[0027] This embodiment provides a coaxial connector with a variable diameter inner conductor, such as Figure 1 As shown, it includes an outer conductor 1 and a cavity surrounded by the outer conductor 1, an inner conductor and a sealing glass 5. The cavity surrounded by the outer conductor 1 includes a first cavity 3 and a second cavity, and the second cavity is filled with a sealing glass 5. The first cavity 3 is provided with an upper through groove opening upward, and the height of the first cavity 3 is 1.7-1.9mm, and the height of the second cavity is 1.4-1.6mm. The outer diameter of the outer conductor 1 surrounding the first cavity 3 is 3.6-3.7mm; the outer diameter of the outer conductor 1 surrounding the second cavity is 2.4-2.6mm. The diameter of the second cavity is matched with the diameter of the narrow diameter section 2 of the inner conductor; the inner conductor includes a wide diameter section 4 and a narrow diameter section 2, and the wide diameter section 4 and the narrow diameter section 2 are an integrated structure. The diameter of the narrow diameter section 2 is matched with the actual required frequency value. The narrow diameter section 2 passes through and extends out of the second cavity, and the wide diameter section 4 is located in the first cavity 3, and the diameter is 0.37-0.38mm. The sealing glass 5 is arranged around the narrow diameter section 2 and is located in the second cavity. An arc-shaped recess is arranged at the end of the sealing glass 5 .

[0028] By setting the inner conductor to a wide diameter section 4 and a narrow diameter section 2, and fixing the diameter of the wide diameter section 4, and determining the diameter of the narrow diameter section 2 according to the actual required frequency value, the diameter of the second cavity is matched with the diameter of the narrow diameter section 2 of the inner conductor, thereby achieving signal transmission with a maximum frequency of 65 GHz according to actual usage requirements without changing the original socket and the mounting hole.

[0029] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. A coaxial connector with a variable diameter inner conductor, characterized in that: It comprises an outer conductor (1), a cavity surrounded by the outer conductor, an inner conductor and sealing glass (5); The cavity surrounded by the outer conductor comprises a first cavity (3) and a second cavity, and the diameter of the second cavity is matched with the diameter of the narrow diameter section (2) of the inner conductor; The inner conductor comprises a wide diameter section (4) and a narrow diameter section (2), the diameter of the narrow diameter section (2) is set to match the frequency value actually required, and the wide diameter section (4) is located in the first cavity (3); The sealing glass (5) is arranged around the narrow diameter section (2) and is located in the second cavity.

2. A coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The wide diameter section (4) and the narrow diameter section (2) are an integrated structure.

3. A coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The narrow diameter section (2) passes through and extends out of the second cavity.

4. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The diameter of the wide diameter section (4) is 0.37-0.38 mm.

5. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The second cavity is filled with sealing glass (5), and the first cavity (3) is provided with an upper through groove opening upward.

6. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The height of the first cavity (3) is 1.7-1.9 mm.

7. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The height of the second cavity is 1.4-1.6 mm.

8. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The end of the sealing glass (5) is provided with an arc-shaped recess.

9. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The outer diameter of the outer conductor (1) surrounding the first cavity (3) is 3.6-3.7 mm.

10. The coaxial connector with a variable diameter inner conductor according to claim 1, characterized in that: The outer diameter of the outer conductor (1) surrounding the second cavity is 2.4-2.6 mm.

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