Low-loss high-voltage-resistant radio frequency connector
By using kits made with low-loss, high-voltage dielectric materials and retaining ring sealing gaskets in RF connectors, the problem of unstable RF connector-to-cable connection is solved, achieving higher electrical performance and stability while reducing production costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2026-03-17
AI Technical Summary
Existing RF connectors have low withstand voltage at the cable connection points, resulting in unstable connections and failing to meet electrical performance requirements.
A low-loss, high-voltage-resistance RF connector was designed, using a kit made of low-loss, high-voltage-resistance dielectric material, including a low-loss, high-voltage-resistance sleeve and a pressure sleeve, to ensure a secure connection between the RF connector housing and the cable, and to improve the stability and sealing of the connection through retaining rings and sealing gaskets.
This improved the connection stability between the RF connector and the cable, enhanced electrical performance, and reduced production costs.
Smart Images

Figure CN224006228U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of radio frequency connector technology, specifically relating to a low-loss, high-voltage-resistance radio frequency connector. Background Technology
[0002] Radio frequency connectors are generally considered to be components that are attached to cables or installed on instruments. As components that electrically connect or disconnect transmission lines, they belong to mechatronics products, and simply put, they mainly act as bridges.
[0003] Existing RF connectors suffer from unstable connections with cables due to their low withstand voltage at the connection point, resulting in electrical performance that fails to meet usage requirements. To address this, we propose a low-loss, high-voltage RF connector. Utility Model Content
[0004] The purpose of this invention is to provide a low-loss, high-voltage-resistance RF connector to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-loss, high-voltage withstand radio frequency connector, comprising a radio frequency connector housing, wherein pins are disposed inside the radio frequency connector housing via an insulator;
[0006] One end of the RF connector housing is plugged into a cable via a connector section, and the conductor of the cable is connected to the pin.
[0007] A low-loss pressure-resistant sleeve is provided on the outside of the plug section, and a pressure sleeve is fitted at the connection between the RF connector housing and the cable.
[0008] Preferably, one end of the low-loss withstand voltage sleeve is attached to the outer periphery of the plug segment and extends to the cable, and the other end of the low-loss withstand voltage sleeve is attached to the outer periphery of the plug segment and extends to the RF connector housing.
[0009] Preferably, the low-loss pressure-resistant sleeve is a kit made using a low-loss, high-pressure-resistant medium.
[0010] Preferably, a hexagonal threaded sleeve is provided on the end of the RF connector housing away from the cable.
[0011] Preferably, the RF connector housing and the hexagonal screw sleeve are connected by a retaining ring.
[0012] Preferably, a first slot is provided on the RF connector housing at the position corresponding to the retaining ring, and the retaining ring is engaged in the first slot.
[0013] Preferably, a sealing gasket is provided between the RF connector housing and the hexagonal threaded sleeve.
[0014] Preferably, a second slot is provided on the RF connector housing at the position corresponding to the sealing gasket, and the sealing gasket is disposed in the second slot.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This invention includes a low-loss withstand voltage sleeve and a pressure sleeve. In use, the cable conductor is inserted into the plug section and connected to the pin, so that the cable abuts against the end of the plug section. At this time, the low-loss withstand voltage sleeve is fitted onto the plug section, and the pressure sleeve is fitted onto the outer periphery of the connection between the RF connector housing and the cable, so that the RF connector housing and the cable are firmly connected. The low-loss withstand voltage sleeve is a kit made of low-loss high-voltage dielectric material. The low-loss high-voltage dielectric material has the characteristics of low loss and high withstand voltage, which improves the connection stability of the RF connector housing and the cable, thereby improving the electrical performance of the RF connector and reducing production costs. Attached Figure Description
[0017] Figure 1 This is a partial cross-sectional structural diagram of the present invention.
[0018] In the diagram: 1. RF connector housing; 2. Insulator; 3. Pin; 4. Connector section; 5. Cable; 6. Low-loss withstand voltage sleeve; 7. Pressure sleeve; 8. Hexagonal threaded sleeve; 9. Snap ring; 10. First slot; 11. Sealing gasket; 12. Second slot. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Please see Figure 1 The low-loss, high-voltage RF connector provided by this utility model includes an RF connector housing 1, and a pin 3 is provided inside the RF connector housing 1 through an insulator 2.
[0021] One end of the RF connector housing 1 is plugged into the cable 5 via the plug section 4, and the conductor of the cable 5 is connected to the pin 3;
[0022] A low-loss withstand voltage sleeve 6 is provided on the outer side of the plug section 4. One end of the low-loss withstand voltage sleeve 6 is attached to the outer periphery of the plug section 4 and extends to the cable 5. The other end of the low-loss withstand voltage sleeve 6 is attached to the outer periphery of the plug section 4 and extends to the RF connector housing 1. The low-loss withstand voltage sleeve 6 is a kit made of low-loss high withstand voltage medium. A pressure sleeve 7 is sleeved at the connection between the RF connector housing 1 and the cable 5.
[0023] This utility model includes a low-loss withstand voltage sleeve 6 and a pressure sleeve 7. In use, the conductor of the cable 5 is inserted into the plug section 4 and connected to the pin 3, so that the cable 5 abuts against the end of the plug section 4. At this time, the low-loss withstand voltage sleeve 6 is sleeved on the plug section 4, and the pressure sleeve 7 is sleeved on the outer periphery of the connection between the RF connector housing 1 and the cable 5, so that the RF connector housing 1 and the cable 5 are firmly connected. The low-loss withstand voltage sleeve 6 is a kit made of low-loss high withstand voltage medium. The low-loss high withstand voltage medium has the characteristics of low loss and high withstand voltage, which improves the connection stability of the RF connector housing 1 and the cable 5, thereby improving the electrical performance of the RF connector and reducing production costs.
[0024] In this embodiment, as Figure 1 As shown, a hexagonal screw sleeve 8 is provided at one end of the RF connector housing 1 away from the cable 5. The RF connector housing 1 and the hexagonal screw sleeve 8 are connected by a retaining ring 9. A first retaining groove 10 is provided on the RF connector housing 1 at the position corresponding to the retaining ring 9. The retaining ring 9 is engaged in the first retaining groove 10. The retaining ring 9 restricts the position of the hexagonal screw sleeve 8 on the RF connector housing 1 and prevents the hexagonal screw sleeve 8 from detaching from the RF connector housing 1.
[0025] In this embodiment, as Figure 1 As shown, a sealing gasket 11 is provided between the RF connector housing 1 and the hexagonal screw sleeve 8. A second slot 12 is provided on the RF connector housing 1 at the position corresponding to the sealing gasket 11. The sealing gasket 11 is placed in the second slot 12 to improve the connection sealing performance of the RF connector.
[0026] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A low-loss high-voltage radio frequency connector, characterized by, The application relates to a radio frequency connector shell (1) provided with a pin (3) through an insulator (2) inside the radio frequency connector shell (1). One end of the radio frequency connector shell (1) is connected with a cable (5) through a plug-in section (4), and a core of the cable (5) is connected with the pin (3). An outer side of the plug-in section (4) is provided with a low-loss pressure-resistant sleeve (6), and a connecting position of the radio frequency connector shell (1) and the cable (5) is sleeved with a pressure sleeve (7). The low-loss pressure-resistant sleeve (6) is a sleeve prepared from a low-loss high-pressure-resistant medium.
2. The low-loss high-voltage RF connector of claim 1, wherein: One end of the low-loss pressure-resistant sleeve (6) is attached to an outer periphery of the plug-in section (4) and extends to the cable (5), and the other end of the low-loss pressure-resistant sleeve (6) is attached to the outer periphery of the plug-in section (4) and extends to the radio frequency connector shell (1).
3. The low-loss high-voltage RF connector of claim 1, wherein: One end of the radio frequency connector shell (1) away from the cable (5) is provided with a hexagonal sleeve (8).
4. The low-loss high-voltage RF connector of claim 3, wherein: The radio frequency connector shell (1) and the hexagonal sleeve (8) are connected through a snap ring (9).
5. A low-loss high-voltage RF connector according to claim 4, characterized in that: The radio frequency connector shell (1) is provided with a first clamping groove (10) at a position corresponding to the snap ring (9), and the snap ring (9) is clamped in the first clamping groove (10).
6. The low-loss high-voltage RF connector of claim 3, wherein: The radio frequency connector shell (1) and the hexagonal sleeve (8) are provided with a sealing washer (11).
7. A low-loss high-voltage RF connector according to claim 6, characterized in that: The radio frequency connector shell (1) is provided with a second clamping groove (12) at a position corresponding to the sealing washer (11), and the sealing washer (11) is arranged in the second clamping groove (12).