A millimeter radio frequency coaxial connector

Abstract

The utility model discloses a millimeter grade radio frequency coaxial connector belongs to radio frequency coaxial connector technical field, and its technical scheme main points include the coaxial connector main part, the front side screw thread connection of coaxial connector main part has the connecting mechanism, and the surface fixed connection of coaxial connector main part has the auxiliary mechanism, the connecting mechanism includes outer conductor, thread mark, inner conductor, a plurality of filling rod, anti -loose ring and sealing ring, the outer conductor screw thread connection is in the front side of coaxial connector main part, the surface of outer conductor is set up in thread mark, and through setting connecting mechanism, the coaxial structure of outer conductor and inner conductor forms, and cooperation filling rod guarantees the stability and impedance matching of structure, and the threaded connection is convenient for installation and dismounting, and anti -loose ring and sealing ring enhance the reliability and leakproofness of connection, effectively reduce the loss and interference in signal transmission process, improve the reliability and electrical contact stability when connecting.

Description

Technical Field

[0001] This utility model relates to the field of radio frequency coaxial connector technology, and in particular to a millimeter-level radio frequency coaxial connector. Background Technology

[0002] Millimeter-scale RF coaxial connectors are miniaturized precision electronic components used to connect radio frequency (RF) and radio frequency (KF) signal transmission lines. Their size is typically in the millimeter range. They are mainly used to achieve efficient and low-loss signal transmission in high-frequency bands such as microwaves and millimeter waves. They consist of an inner conductor, an outer conductor, an insulating medium, and a connector interface. They follow a coaxial structure design, with the inner and outer conductors coaxial to reduce electromagnetic interference and energy loss during signal transmission.

[0003] Radio frequency coaxial connectors are generally considered to be components that are attached to cables or installed on instruments, serving as components for electrical connection or disconnection of transmission lines; they belong to mechatronics products.

[0004] The existing patent (publication number: CN217468988U) includes a sub-connector and a female connector. The sub-connector has multiple first retaining rings fixedly connected to its outer side. Each of the first retaining rings has a fixing ring on its outer surface, and each fixing ring has a fixing rod on one side. Each fixing rod has a sliding groove at one end, and a sliding rod is slidably connected to the inner wall of each sliding groove. In this invention, the sub-connector and female connector are fixed together by the fixing rod and sliding rod, through a buckle and a second retaining ring. Then, a first spring is used to fix the buckle and the second retaining ring, preventing the sub-connector and female connector from rotating relative to each other. This solves the problem of the sub-connector and female connector separating due to rotation. The first spring is designed to allow the sliding rod to move, and after the retaining ring and the second buckle are fixed together, the sub-connector and female connector are permanently connected.

[0005] To address the aforementioned issues, existing patents have provided solutions. However, existing coaxial connectors typically only enable basic physical connection and disconnection of radio frequency signals. In practical use, such coaxial connectors can only achieve their basic function and cannot guarantee the reliability of the connection and the stability of electrical contact. Furthermore, they cannot achieve other auxiliary effects during the use of coaxial connectors, making them impractical.

[0006] To address this, a millimeter-scale radio frequency coaxial connector is proposed. Utility Model Content

[0007] The purpose of this invention is to provide a millimeter-level radio frequency coaxial connector that can solve the problems of existing radio frequency coaxial connectors, which can only achieve basic physical connection and disconnection of radio frequency signals. In practical use, such radio frequency coaxial connectors can only achieve their own ordinary effects and cannot guarantee the reliability of connection and electrical contact stability during use. Furthermore, they cannot achieve other auxiliary effects during the use of radio frequency coaxial connectors, resulting in insufficient practicality.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a millimeter-level radio frequency coaxial connector, comprising a coaxial connector body, a connecting mechanism being threadedly connected to the front side of the coaxial connector body, and an auxiliary mechanism being fixedly connected to the surface of the coaxial connector body;

[0009] The connection mechanism includes an outer conductor, a threaded groove, an inner conductor, several filler rods, an anti-loosening ring, and a sealing ring. The outer conductor is threadedly connected to the front side of the coaxial connector body, and the threaded groove is formed on the surface of the outer conductor. The inner conductor is fixedly connected to the front side of the outer conductor and is tapered in shape. The several filler rods are fixedly connected between the outer conductor and the inner conductor. The anti-loosening ring is threadedly connected to the surface of the outer conductor, and the sealing ring is engaged with the inner wall of the anti-loosening ring.

[0010] Preferably, the auxiliary mechanism includes an anti-slip ring and a sealing ring, wherein the anti-slip ring is fixedly connected to the surface of the coaxial connector body, and the sealing ring is snapped onto the surface of the inner conductor.

[0011] Preferably, the rear side of the coaxial connector body is threaded with a tail connecting ring, and the inner wall of the tail connecting ring is fixedly connected with a connector head.

[0012] Preferably, the inner wall of the connector has a connecting hole, and the connecting hole is tapered.

[0013] Preferably, the inner wall of the inner conductor has a socket, and an elastic flap is fixedly connected to the inner wall of the socket.

[0014] Preferably, the tail of the filling rod is provided with an air hole, and the size of the sealing ring is adapted to the size of the inner conductor.

[0015] Preferably, the inner wall of the anti-loosening ring has a groove, and the sealing ring is engaged with the inner wall of the groove.

[0016] Preferably, the inner wall of the tail connecting ring is provided with a connecting groove, and the connector is fixedly connected to the inner wall of the connecting groove.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. This application sets up a connection mechanism to form a coaxial structure between the outer conductor and the inner conductor. The filling rod ensures the stability of the structure and impedance matching. The threaded connection facilitates installation and disassembly. The anti-loosening ring and sealing ring enhance the reliability and sealing of the connection, effectively reducing signal loss and interference during signal transmission, and improving the reliability and electrical contact stability during connection.

[0019] 2. This application incorporates an anti-slip ring in the auxiliary mechanism to facilitate operator gripping and installation, preventing slippage. The sealing ring further enhances the sealing performance of the inner conductor, preventing external impurities from entering and affecting signal transmission, thus achieving more auxiliary effects and improving the practicality of the equipment. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of the millimeter-level radio frequency coaxial connector of this utility model;

[0021] Figure 2 This is a partial structural diagram of the outer conductor surface of this utility model;

[0022] Figure 3 This is a partial structural diagram of the internal structure of the anti-loosening ring of this utility model;

[0023] Figure 4 This is a partial structural schematic diagram of the connecting mechanism of this utility model;

[0024] Figure 5 This is a partial structural schematic diagram of the auxiliary mechanism of this utility model.

[0025] In the diagram, 1. Connecting mechanism; 11. Outer conductor; 12. Thread mark; 13. Inner conductor; 14. Filler rod; 15. Tail connecting ring; 16. Connector head; 17. Connecting hole; 18. Anti-loosening ring; 19. Sealing ring; 2. Auxiliary mechanism; 21. Anti-slip ring; 22. Insertion hole; 23. Air hole; 24. Elastic flap; 25. Sealing ring; 3. Coaxial connector body. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-5 The present invention provides the following technical solution:

[0028] A millimeter-level radio frequency coaxial connector includes a coaxial connector body 3, a connection mechanism 1 threadedly connected to the front side of the coaxial connector body 3, and an auxiliary mechanism 2 fixedly connected to the surface of the coaxial connector body 3.

[0029] The connecting mechanism 1 includes an outer conductor 11, a threaded groove 12, an inner conductor 13, several filler rods 14, an anti-loosening ring 18, and a sealing ring 19. The outer conductor 11 is threaded to the front side of the coaxial connector body 3. The threaded groove 12 is formed on the surface of the outer conductor 11. The inner conductor 13 is fixedly connected to the front side of the outer conductor 11. The inner conductor 13 is tapered. Several filler rods 14 are fixedly connected between the outer conductor 11 and the inner conductor 13. The anti-loosening ring 18 is threaded to the surface of the outer conductor 11. The sealing ring 19 is snapped into the inner wall of the anti-loosening ring 18.

[0030] In this embodiment: by setting the coaxial connector body 3, the structures on the connection mechanism 1 and auxiliary mechanism 2 can be installed; by setting the outer conductor 11, structures such as the anti-loosening ring 18 can be installed; and in this scheme, the outer conductor 11 is a rigid metal shell, such as stainless steel or brass, which can serve as a grounding and shielding layer to isolate external electromagnetic interference. Simultaneously, it, together with the inner conductor 13, defines the impedance characteristics of the transmission line, which is the core guarantee of anti-interference performance. By setting the thread marks 12, the coaxial connector body 3 can be initially connected to the corresponding equipment or components. By setting the inner conductor 13, the socket 22 can be opened. In this scheme, the inner conductor 13 uses high-strength... Conductive materials, such as brass and beryllium copper, are plated with gold or silver to reduce contact resistance. The filler rod 14 provides support and insulation between the outer conductor 11 and the inner conductor 13, ensuring their coaxiality and reducing signal transmission loss. In this design, the filler rod 14 is made of materials such as polytetrafluoroethylene and ceramics with a low loss tangent, which can reduce the attenuation of high-frequency signals in the medium. By setting an anti-loosening ring 18, when the coaxial connector body 3 is initially connected to the corresponding equipment or component, the anti-loosening ring 18 can be rotated to make it fit tightly against the connection part. The sealing ring 19 cooperates with the anti-loosening ring 18 to achieve sealing and anti-loosening, ensuring the reliability of the connection.

[0031] Specifically, such as Figure 2 , Figure 3 , Figure 5 As shown, the auxiliary mechanism 2 includes an anti-slip ring 21 and a sealing ring 25. The anti-slip ring 21 is fixedly connected to the surface of the coaxial connector body 3, and the sealing ring 25 is snapped onto the surface of the inner conductor 13.

[0032] Specifically, such as Figure 2 , Figure 3 , Figure 4 As shown, a tail connecting ring 15 is threadedly connected to the rear side of the coaxial connector body 3, and a connector head 16 is fixedly connected to the inner wall of the tail connecting ring 15.

[0033] Specifically, such as Figure 4 As shown, the inner wall of the connector 16 has a connecting hole 17, which is tapered in shape.

[0034] In this embodiment: by setting the anti-slip ring 21, it is convenient for the operator to hold and avoid slipping. By setting the sealing ring 25, it is possible to further prevent external dust, moisture and other substances from entering the connection part of the inner conductor 13, and ensure the stability of signal transmission. By setting the tail connecting ring 15 and the connector 16, the two can cooperate with each other to connect the cable. By setting the shape of the connecting hole 17 to be conical, it is possible to ensure that the cable and the connector are tightly connected.

[0035] Specifically, such as Figure 5 As shown, the inner wall of the inner conductor 13 is provided with a socket 22, and an elastic flap 24 is fixedly connected to the inner wall of the socket 22.

[0036] Specifically, such as Figure 2 , Figure 3 , Figure 5 As shown, the tail of the filling rod 14 is provided with an air hole 23, and the size of the sealing ring 25 is adapted to the size of the inner conductor 13.

[0037] In this embodiment: the elastic flap 24 can be installed by opening the socket 22. By setting the elastic flap 24, the tightness of the contact between the outer conductor 11 and the inner conductor 13 can be ensured, and a good electrical connection can be achieved. By opening the air hole 23, a hybrid structure of air and dielectric can be adopted, which can reduce the equivalent dielectric constant. At the same time, while ensuring the mechanical support strength, the inner conductor 13 can also be prevented from being deformed by force. By matching the size of the sealing ring 25 with the size of the inner conductor 13, the sealing ring 25 can be installed quickly.

[0038] Specifically, such as Figure 2 , Figure 3 , Figure 5 As shown, the inner wall of the anti-loosening ring 18 has a groove, and the sealing ring 19 is snapped into the inner wall of the groove.

[0039] Specifically, such as Figure 4 As shown, the inner wall of the tail connecting ring 15 is provided with a connecting groove, and the connector 16 is fixedly connected to the inner wall of the connecting groove.

[0040] In this embodiment: the sealing ring 19 can be installed by opening a groove, and the connector 16 can be installed by opening a connecting groove.

[0041] Working principle: When the user needs to use this millimeter-level RF coaxial connector, the coaxial connector body 3 is first initially connected to the corresponding equipment or component through the threaded marks 12 on the surface of the outer conductor 11. The anti-loosening ring 18 is rotated to make it fit tightly against the connection part, and the sealing ring 19 is used to achieve sealing and anti-loosening, ensuring the reliability of the connection. After completion, the inner conductor 13 is connected to the conductor of the mating part through the socket 22. The elastic flap 24 ensures that the two are in close contact and achieves a good electrical connection. The filler rod 14 plays a supporting and insulating role between the outer conductor 11 and the inner conductor 13, ensuring the coaxiality of the two and reducing signal transmission loss. The tail connecting ring 15 and the connector head 16 are used to connect the cable. The tapered connecting hole 17 ensures that the cable and the connector are tightly connected. During operation, the anti-slip ring 21 makes it easy for the operator to hold and avoids slipping. The sealing ring 25 further prevents external dust, moisture and other substances from entering the connection part of the inner conductor 13, ensuring the stability of signal transmission.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A millimeter-scale radio frequency coaxial connector, comprising a coaxial connector body (3), characterized in that: The coaxial connector body (3) is threadedly connected to the front side of the connection mechanism (1), and the surface of the coaxial connector body (3) is fixedly connected to the auxiliary mechanism (2); The connecting mechanism (1) includes an outer conductor (11), a threaded groove (12), an inner conductor (13), several filler rods (14), an anti-loosening ring (18), and a sealing ring (19). The outer conductor (11) is threaded to the front side of the coaxial connector body (3). The threaded groove (12) is formed on the surface of the outer conductor (11). The inner conductor (13) is fixedly connected to the front side of the outer conductor (11). The inner conductor (13) is tapered. The several filler rods (14) are fixedly connected between the outer conductor (11) and the inner conductor (13). The anti-loosening ring (18) is threaded to the surface of the outer conductor (11). The sealing ring (19) is snapped into the inner wall of the anti-loosening ring (18).

2. The millimeter-scale radio frequency coaxial connector according to claim 1, characterized in that: The auxiliary mechanism (2) includes an anti-slip ring (21) and a sealing ring (25). The anti-slip ring (21) is fixedly connected to the surface of the coaxial connector body (3), and the sealing ring (25) is snapped onto the surface of the inner conductor (13).

3. The millimeter-scale radio frequency coaxial connector according to claim 1, characterized in that: The coaxial connector body (3) is threaded with a tail connecting ring (15) on its rear side, and a connector head (16) is fixedly connected to the inner wall of the tail connecting ring (15).

4. A millimeter-scale radio frequency coaxial connector according to claim 3, characterized in that: The inner wall of the connector (16) is provided with a connecting hole (17), and the connecting hole (17) is tapered.

5. A millimeter-scale radio frequency coaxial connector according to claim 1, characterized in that: The inner wall of the inner conductor (13) is provided with a socket (22), and an elastic flap (24) is fixedly connected to the inner wall of the socket (22).

6. A millimeter-scale radio frequency coaxial connector according to claim 2, characterized in that: The tail of the filling rod (14) is provided with an air hole (23), and the size of the sealing ring (25) is adapted to the size of the inner conductor (13).

7. A millimeter-scale radio frequency coaxial connector according to claim 1, characterized in that: The inner wall of the anti-loosening ring (18) is provided with a groove, and the sealing ring (19) is engaged with the inner wall of the groove.

8. A millimeter-scale radio frequency coaxial connector according to claim 3, characterized in that: The inner wall of the tail connecting ring (15) is provided with a connecting groove, and the connector (16) is fixedly connected to the inner wall of the connecting groove.

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