High-reliability welding-free radio frequency coaxial connector
By adopting a multi-point contact clamping structure in the RF coaxial connector, the problems of inconvenient disassembly and instable contact in narrow spaces are solved, and high reliability and easy disassembly and assembly are achieved.
Patent Information
- Application Number
- CN202420782515.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-15
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-04-15
AI Technical Summary
The existing RF coaxial connectors are inconvenient to disassemble and assemble in a narrow space. Welded connectors require welding equipment, while welding-free connectors are unstable in contact.
A multi-point contact clamping structure is adopted, including a connector locking structure, a wire core clamping mechanism, a cable end face compression mechanism and a cable locking mechanism. The stable clamping of the wire core and cable is achieved through components such as elastic clamping rings, springs and flat gaskets.
It realizes rapid disassembly and assembly in a small space, ensures contact reliability and stable performance, and has the characteristics of easy disassembly and assembly and stable contact, improving reliability and simplifying the replacement process.
Smart Images

Figure CN222839122U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of radio frequency communication, in particular to a high-reliability solder-free radio frequency coaxial connector. Background Art
[0002] With the development of wireless communication technology, RF coaxial connectors are widely used in electronic devices. With the development trend of miniaturization and integration of equipment, in specific use environments, RF coaxial connectors are required to be easy to replace in a small space and have stable performance. Welded coaxial connectors require welding equipment for disassembly and assembly, which cannot meet this requirement. The existing solder-free RF coaxial connectors only use clamping shielding layers as a fixing means, which is prone to unstable contact during use.
[0003] Based on this background, the inventor wants to develop a RF coaxial connector that can be disassembled and assembled in a small space, has reliable contact and stable performance. The RF coaxial connector is a solder-free structure, and adopts a multi-point contact clamping method for the wire core, cable end face, shielding layer, and sheath to ensure contact reliability. It is a fully mechanical connection mechanism with the characteristics of strong versatility, easy disassembly and assembly, and stable contact, thus meeting the requirements. Utility Model Content
[0004] The utility model aims to provide a highly reliable solder-free radio frequency coaxial connector to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-reliability solderless RF coaxial connector, comprising a connector locking structure, a wire core clamping mechanism, a cable end face pressing mechanism and a cable locking mechanism, wherein the connector locking structure is used to lock the connectors after they are mated, and it is composed of a connecting screw sleeve, an elastic clamping ring, and a sealing gasket; the wire core clamping mechanism is located on the inner side of the connector and is an elastic jack, and the tail of the elastic jack is a symmetrical slotted elastic structure, which can clamp the wire core; the cable end face pressing mechanism is composed of a stepped metal sleeve, a spring and a flat gasket, a flat gasket is arranged on the tail side of the stepped metal sleeve, and a spring is arranged on the step surface on the outer side of the stepped metal sleeve.
[0006] Preferably, the cable locking mechanism comprises a drum spring, an elastic claw and an oblique cavity locking nut, wherein the drum spring is of embedded design and an elastic claw is arranged at the front end of the drum spring.
[0007] Preferably, the elastic claw is a symmetrical slotted elastic structure, the inner hole of the elastic claw is provided with a clamping boss, and the outer circle is designed as a smooth inclined surface.
[0008] Preferably, the oblique cavity locking nut is located on one side of the elastic claw, the inner hole of the oblique cavity locking nut is designed as a smooth inclined surface, and the oblique cavity locking nut is connected to the shell through a thread.
[0009] Preferably, the inner hole of the oblique cavity locking nut can cooperate with the outer circular inclined surface of the elastic claw, and during the locking process, the oblique cavity locking nut applies force to the outer circular inclined surface of the elastic claw through the smooth inclined surface of the inner hole.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The utility model can quickly realize the solder-free connection between the cable and the connector, has stable contact at multiple points, has the characteristics of easy disassembly and assembly, stable contact, can effectively improve the reliability, and is convenient to replace, and has certain use value. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the overall structure of the connector of the utility model;
[0013] Figure 2 This is a structural schematic diagram of the end surface pressing mechanism in the embodiment of the utility model;
[0014] Figure 3 Schematic diagram of the structure of the cable clamping mechanism in the embodiment of the utility model.
[0015] In the figure: 1. Connector locking structure; 2. Wire core clamping mechanism; 3. Cable end face pressing mechanism; 301. Stepped metal sleeve; 302. Spring; 303. Flat gasket; 4. Cable locking mechanism; 401. Drum spring; 402. Elastic claw; 403. Oblique cavity locking nut. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0018] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0019] See also Figure 1-3 The utility model provides a technical solution: a high-reliability solder-free radio frequency coaxial connector, comprising a connector locking structure 1, a wire core clamping mechanism 2, a cable end face pressing mechanism 3 and a cable locking mechanism 4, wherein the connector locking structure 1 is used to lock the connectors after they are mated, and is composed of a connecting screw sleeve, an elastic clamping ring, and a sealing gasket; the wire core clamping mechanism 2 is located on the inner side of the connector and is an elastic jack, and the tail of the elastic jack is a symmetrical slotted elastic structure, which can clamp the wire core; the cable end face pressing mechanism 3 is composed of a stepped metal sleeve 301, a spring 302 and a flat gasket 303, a flat gasket 303 is arranged on the tail side of the stepped metal sleeve 301, and a spring 302 is sleeved on the step surface of the outer side of the stepped metal sleeve 301.
[0020] In this embodiment, the cable locking mechanism 4 includes a drum spring 401 , an elastic claw 402 and an oblique cavity locking nut 403 , wherein the drum spring 401 is of embedded design and an elastic claw 402 is provided at the front end of the drum spring 401 .
[0021] In this embodiment, the elastic claw 402 is a symmetrical slotted elastic structure, the inner hole of the elastic claw 402 is provided with a clamping boss, and the outer circle is a smooth inclined surface design.
[0022] In this embodiment, the oblique cavity locking nut 403 is located on one side of the elastic claw 402, the inner hole of the oblique cavity locking nut 403 is designed as a smooth inclined surface, and the oblique cavity locking nut 403 is connected to the housing through threads.
[0023] In this embodiment, the inner hole of the oblique cavity locking nut 403 can cooperate with the outer circular inclined surface of the elastic claw 402, and during the locking process, the oblique cavity locking nut 403 applies force to the outer circular inclined surface of the elastic claw 402 through the smooth inclined surface of the inner hole.
[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A highly reliable solderless RF coaxial connector, characterized in that: The invention comprises a connector locking structure (1), a wire core clamping mechanism (2), a cable end face pressing mechanism (3) and a cable locking mechanism (4), wherein the connector locking structure (1) is used for locking the connectors after they are mated, and is composed of a connecting screw sleeve, an elastic clamping ring and a sealing gasket; the wire core clamping mechanism (2) is located on the inner side of the connector and is an elastic jack, and the tail of the elastic jack is a symmetrical slotted elastic structure, which can clamp the wire core; the cable end face pressing mechanism (3) is composed of a stepped metal sleeve (301), a spring (302) and a flat washer (303), wherein the flat washer (303) is arranged on the tail side of the stepped metal sleeve (301), and the spring (302) is sleeved on the stepped surface of the outer side of the stepped metal sleeve (301).
2. A highly reliable solderless RF coaxial connector according to claim 1, characterized in that: The cable locking mechanism (4) comprises a drum spring (401), an elastic claw (402) and an oblique cavity locking nut (403), wherein the drum spring (401) is of an embedded design, and the elastic claw (402) is arranged at the front end of the drum spring (401).
3. A highly reliable solderless RF coaxial connector according to claim 2, characterized in that: The elastic claw (402) is a symmetrical slotted elastic structure, the inner hole of the elastic claw (402) is provided with a clamping boss, and the outer circle is designed as a smooth inclined surface.
4. The high-reliability solderless RF coaxial connector according to claim 2, characterized in that: The oblique cavity locking nut (403) is located on one side of the elastic claw (402), the inner hole of the oblique cavity locking nut (403) is designed as a smooth inclined surface, and the oblique cavity locking nut (403) is connected to the shell through a thread.
5. The high-reliability solderless RF coaxial connector according to claim 4, characterized in that: The inner hole of the oblique cavity locking nut (403) can cooperate with the outer circular inclined surface of the elastic claw (402), and during the locking process, the oblique cavity locking nut (403) applies force to the outer circular inclined surface of the elastic claw (402) through the smooth inclined surface of the inner hole.