High temperature resistant radio frequency coaxial connector

Abstract

The invention discloses a high-temperature-resistant radio frequency coaxial connector, which comprises a shell, a compression ring and a first insulator which are clamped in the shell, a contact pin which sequentially penetrates through the compression ring and the first insulator, and a first bushing, a second bushing and a third bushing which are sequentially clamped in the shell, the first bushing is internally provided with a first insulator, the second bushing is internally provided with a second insulator, one end of the shell is provided with a screw sleeve, the other end of the shell is provided with a nut, the first insulator and the second insulator are made of ceramic materials, and the contact pin, the shell, the first bushing, the second bushing and the third bushing are made of high-temperature alloy materials; according to the radio frequency coaxial connector, the first insulator and the second insulator which are made of ceramic materials, and the contact pin, the shell, the first lining, the second lining and the third lining which are made of high-temperature alloy materials are arranged, so that the high-temperature-resistant characteristic of the radio frequency coaxial connector is improved, and the high-temperature-resistant strength of the radio frequency coaxial connector is not lower than 1000 DEG C.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machine structure, and particularly relates to a high-temperature-resistant radio frequency coaxial connector. BACKGROUND

[0002] The radio frequency coaxial connector is a key electromechanical element for transmitting radio frequency / microwave signals, and its main function is to realize reliable electrical connection and separation between coaxial transmission lines or devices.

[0003] As a "bridge" for radio frequency signal transmission, it connects cables, instruments or system components, ensuring the integrity of high-frequency signals in the transmission path.

[0004] The radio frequency coaxial connector is generally used in vehicle-mounted, airborne, missile-mounted and other occasions, and has certain requirements for the temperature resistance of the product, especially when used in missile-mounted occasions, the product has higher requirements for temperature. Although various heat insulation measures are adopted during design, it is still unavoidable to need high-temperature resistance. When the temperature is higher than 500 DEG C, the commonly used products cannot meet the use requirements of the customer end.

[0005] In order to solve the above problems, the present application provides a high-temperature-resistant radio frequency coaxial connector. SUMMARY

[0006] In order to solve the above problems, the present application provides a high-temperature-resistant radio frequency coaxial connector, which achieves the purpose of improving the high-temperature resistance of the radio frequency coaxial connector.

[0007] To achieve the above purpose, the present application provides the following scheme:

[0008] A high-temperature-resistant radio frequency coaxial connector, comprising a shell, a compression ring and a first insulator which are clamped in the shell, a pin which is sequentially arranged in the compression ring and the first insulator, a first bushing, a second bushing and a third bushing which are sequentially clamped in the shell, a second insulator arranged in the second bushing, one end of the shell is provided with a screw sleeve, and the other end is provided with a nut, the first insulator and the second insulator are made of ceramic material, and the pin, the shell, the first bushing, the second bushing and the third bushing are made of high-temperature alloy material.

[0009] Preferably, the shell and the screw sleeve are connected through a snap ring.

[0010] Preferably, the compression ring and the pin are fixed by laser welding.

[0011] Preferably, the nut and the shell are fixed by threads.

[0012] Preferably, the shell and the nut are laser welded.

[0013] Preferably, the pin is used to connect the core wire of the cable, and the pin and the core wire of the cable are connected by laser welding.

[0014] Preferably, the third bushing is used to connect the shielding layer of the cable, and the third bushing and the shielding layer of the cable are connected by laser welding.

[0015] The present application has the following technical effects relative to the prior art:

[0016] The present application improves the high-temperature resistance of the radio frequency coaxial connector by setting the first insulator and the second insulator of ceramic material and the pin, the shell, the first bushing, the second bushing and the third bushing of high-temperature alloy material, so that the high-temperature resistance of the radio frequency coaxial connector is not less than 1000 degrees Celsius. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 The present application is a structural schematic diagram;

[0019] Among them, 1, pin; 2, first bushing; 3, second bushing; 4, third bushing; 5, pressure ring; 6, first insulator; 7, insulator; 8, shell; 9, screw sleeve; 10, nut; 11, clasp ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] The present application provides a high-temperature resistant radio frequency coaxial connector to improve the high-temperature resistance of the radio frequency coaxial connector.

[0022] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0023] REFERENCE Figure 1The utility model provides a kind of high-temperature-resistant radio frequency coaxial connector, including shell, clamping setting the compression ring and first insulator in the shell, plug pin is sequentially worn in the compression ring and the first insulator, first bushing, second bushing and third bushing are sequentially clamped in the shell, second insulator is arranged in the second bushing, one end of the shell is provided with nipple, and the other end is provided with nut, the first insulator and second insulator are ceramic material, the plug pin, shell, first bushing, second bushing and third bushing are high-temperature alloy material;The utility model is provided with first insulator and second insulator of ceramic material and the plug pin, shell, first bushing, second bushing and third bushing of high-temperature alloy material, improve the high-temperature-resistant characteristic of radio frequency coaxial connector of the utility model, so that the high-temperature-resistant temperature of radio frequency coaxial connector is not less than 1000 DEG C.

[0024] Further, the metal material is high-temperature alloy, which can meet the requirement of resisting 1000 DEG C for a long time.

[0025] Further, the first insulator and the second insulator are treated specially to reduce the dielectric constant, so that the product has the same size as a conventional product, and the high-frequency performance of the product meets the use requirement of the customer.

[0026] Further, the first bushing, the second bushing and the third bushing are connected by laser welding.

[0027] Reference Figure 1 The front end of the first bushing abuts against the first insulator, the rear end abuts against the front end of the second bushing, and the rear end of the second bushing abuts against the third bushing.

[0028] Reference Figure 1 The shell and the nipple are connected by a clasp, and the clasp is arranged in the mounting groove formed between the shell and the nipple to connect the shell and the nipple.

[0029] Reference Figure 1 The compression ring and the plug pin are fixed by laser welding to ensure the stability of the connection between the compression ring and the plug pin.

[0030] Reference Figure 1 The nut and the shell are fixed by threads.

[0031] Further, the shell and the nut are laser welded.

[0032] Further, the plug pin is used to connect the core wire of a cable, and the plug pin and the core wire of the cable are laser welded.

[0033] Further, the third bushing is used to connect the shielding layer of a cable, and the third bushing and the shielding layer of the cable are laser welded.

[0034] It is to be understood that the application is not limited to the details of the above-exemplified embodiment and can be practiced with alteration and in various other specific forms without departing from the spirit or essential characteristics of the application. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No reference signs in the claims should be considered as limiting the scope of the claims in any way.

Claims

1. A high temperature resistant radio frequency coaxial connector, characterized by, The utility model relates to a high temperature alloy material bushing, including shell, the compression ring and first insulator of joint setting in shell, the pin is worn in first insulator and compression ring in proper order, first bushing, second bushing and third bushing are in proper order joint setting in shell, second insulator is arranged in second bushing, one end of shell is provided with the screw bush, and the other end is provided with the nut, first insulator and second insulator are ceramic material, pin, shell, first bushing, second bushing and third bushing are high temperature alloy material.

2. The high-temperature RF coaxial connector of claim 1, wherein, The shell and the screw bush are connected through a snap ring.

3. The high-temperature RF coaxial connector of claim 1, wherein, The compression ring and the pin are fixed through laser welding.

4. The high-temperature RF coaxial connector of claim 1, wherein, The nut and the shell are fixed through threads.

5. The high-temperature radio frequency coaxial connector of claim 4, wherein, The shell and the nut are laser welded.

6. The high-temperature resistant RF coaxial connector of claim 1, wherein, The pin is used to connect the core wire of a cable, and the pin and the core wire of the cable are laser welded.

7. The high-temperature radio frequency coaxial connector of claim 6, wherein, The third bushing is used to connect the shielding layer of a cable, and the third bushing and the shielding layer of the cable are laser welded.

Images