Enhanced DF radio frequency coaxial connecting line joint
By designing limiting and fixing components, the connection instability problem caused by long-term use of the enhanced DF RF coaxial connector is solved, achieving stable connection and convenient maintenance, and ensuring reliable transmission of high-frequency signals.
Patent Information
- Application Number
- CN202520127957.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-01-20
AI Technical Summary
The existing enhanced DF RF coaxial connector is fixed by a snap-fit method. After long-term use, the surface of the connector wears down, resulting in unstable connection, affecting high-frequency signal transmission and posing safety hazards.
The design employs a limiting component and a fixing component. The connection wire is stably fixed by the cooperation of the ferrule nut and the external threaded tube. The fixing is released by the sliding groove and the fixing rod, which facilitates inspection and replacement.
It improves the stability of connecting wires and connectors, avoids aging and detachment caused by long-term use, ensures stable transmission of high-frequency signals and convenient testing and maintenance, and reduces safety hazards.
Smart Images

Figure CN223898737U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, and in particular to an enhanced DF radio frequency coaxial connector. Background Technology
[0002] The basic structure of an RF coaxial connector typically includes a center conductor, dielectric material, insulator, and outer conductor. Its function is to provide stable and reliable signal transmission in the RF range, reducing signal loss and reflection. There are various types of RF coaxial connectors, such as SMA, N-type, and BNC, each with its specific dimensions, impedance, frequency range, and other parameters.
[0003] In the existing technology, there are two types of connectors: fixed connectors and detachable connectors. In particular, for detachable connectors, snap-fit structures are commonly used. However, snap-fit connectors are generally complex and have relatively high manufacturing costs. Alternatively, threaded connections using studs and screws are often used, but these connectors require tools to disassemble, which is inconvenient.
[0004] The existing patent (publication number: CN219892455U) describes a connector that, by aligning the pins on the male connector with the socket of the female connector and inserting it, allows the ends of the pins to slide from the first chamfer to the second chamfer. The pins open the conductor pieces inside the socket, and the conductor pieces deform to generate elasticity, splitting into multiple conductor pieces. Each conductor piece exerts an axial pressure on the pins, achieving the effect of locking the pins in place. This makes it easy to insert, use, and disassemble with its simple structure.
[0005] To address the aforementioned issues, existing patents offer solutions. Existing enhanced DF RF coaxial connectors are primarily fixed by snapping the connector head and connector end together. However, prolonged use can lead to wear on the connector head surface, resulting in unstable connection between the connector head and connector port. This poor contact can cause poor electrical performance, affecting stable high-frequency signal transmission. Furthermore, it makes it difficult to inspect and repair the connector head and connector, thus posing safety hazards and impacting their usability.
[0006] To address this, an enhanced DF RF coaxial connector is proposed. Utility Model Content
[0007] The purpose of this invention is to provide an enhanced DF RF coaxial connector that solves the problems of existing enhanced DF RF coaxial connectors, which are mainly fixed by a snap-fit method between the connector head and the connector end. However, when the surface of the connector head wears down during long-term use, the connection between the connector head and the connector end becomes unstable, resulting in poor contact and poor electrical performance, affecting the stable transmission of high-frequency signals. Furthermore, it makes it difficult to inspect and repair the connector and the cable, thus posing safety hazards and affecting the use of the connector and the cable.
[0008] To achieve the above objectives, this utility model provides the following technical solution: an enhanced DF radio frequency coaxial connector, including a connecting end, a connector body slidably connected inside the connecting end, a connecting wire provided on the front side of the connector body, a limiting component bolted to the rear side of the connecting wire, a sliding groove provided on the top side inside the connecting end, a fixing block bolted to the top of the connector body, the outer side of the fixing block slidably connected to the inside of the sliding groove, slots provided on both sides of the top of the fixing block, and a fixing component provided on the top of the connecting end, the fixing component including a positioning seat fixedly connected inside the sliding groove;
[0009] The limiting assembly includes a connector fixedly connected to the front side of the connecting end, an external threaded tube bolted to the outside of the connector, a ferrule nut threaded to the outside of the external threaded tube, a ferrule connector bolted to the front side of the ferrule nut, a limiting block clamped to the front side of the connector, the limiting block being located behind the ferrule connector, and the limiting block being located outside the connecting wire.
[0010] Preferably, the positioning seat has a placement groove inside, and a fixing rod is slidably connected inside the placement groove. The top of the fixing rod passes through the top of the connecting end, and the bottom of the fixing rod is located inside the slot. A fixing plate is bolted to the outer side of the bottom of the fixing rod. A limit spring is fixedly connected to the top inside the placement groove, and the bottom of the limit spring is bolted to the top of the fixing plate.
[0011] Preferably, the bottom of the fixing rod is provided with a placement groove, and a return spring is bolted inside the placement groove.
[0012] Preferably, both sides of the placement groove are slidably connected to arc-shaped blocks, and the inner sides of the arc-shaped blocks are respectively bolted to both sides of the return spring.
[0013] Preferably, insertion holes are provided on both sides of the front side of the connecting end, and connecting plates are bolted to both sides of the front side of the connector body. A limit rod is bolted to the rear side of the connecting plate, and the limit rod is slidably connected to the insertion hole.
[0014] Preferably, auxiliary blocks are bolted to both sides of the top of the slot, and the auxiliary blocks are located on top of the arc-shaped block.
[0015] Preferably, a sealing ring is fitted on the outer side of the connector body, and the rear side of the sealing ring is in sealing contact with the front side of the connector end. The sealing ring is made of rubber.
[0016] Preferably, mounting bases are bolted to both sides of the connecting end, and mounting holes are provided at the bottom of the mounting bases.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. This application uses a connector to install and fix the connecting wire. Then, the ferrule nut is rotated on the outside of the external threaded tube, causing the ferrule connector on the front side of the ferrule nut to move and push the limiting block to move. The limiting block moves to the inside of the front side of the connector to limit and fix the connecting wire. This improves the stability of the connecting wire and the connection stability between the connecting wire and the wire body. Compared with the existing enhanced DF RF coaxial connector, it can avoid the aging and detachment of the connecting wire and the connection end due to long-term use, which would result in poor connection between the connecting wire and the connector body and affect its subsequent use.
[0019] 2. This application moves the fixing rod upward, causing the fixing plate to move inside the slide groove. This, in turn, moves the arc-shaped block upward, causing it to encounter resistance from the auxiliary block at the top of the slot. This resistance generates an inward elastic force on the return spring, causing the arc-shaped block to slide into the placement groove. Then, the arc of the arc-shaped block aligns with the curvature of the fixing rod, allowing the fixing rod to completely leave the slot, thus releasing the connection to the connector body. This is more flexible than existing enhanced DF RF coaxial connectors, allowing for the fixing of both the connector body and the connection end, preventing unstable connection between the connector body and the connection end due to prolonged use, which could affect stable high-frequency signal transmission. Attached Figure Description
[0020] Figure 1 This is an overall structural diagram of the enhanced DF radio frequency coaxial connector of this utility model;
[0021] Figure 2 This is a schematic diagram of the limiting component of this utility model;
[0022] Figure 3 This is a cross-sectional view of the fixing component of this utility model;
[0023] Figure 4 This is a schematic diagram of the structure of the connector body and the connector end of this utility model;
[0024] Figure 5This is a cross-sectional view of the connecting end of this utility model;
[0025] Figure 6 This utility model Figure 5 Enlarged view of point A in the middle.
[0026] In the diagram, 1. Connecting end; 2. Connecting head body; 3. Connecting wire; 4. Limiting component; 401. Connector; 402. External threaded tube; 403. Compression nut; 404. Compression fitting; 405. Limiting block; 5. Sliding groove; 6. Fixing block; 7. Slot; 8. Fixing component; 801. Positioning seat; 802. Sliding groove; 803. Fixing rod; 804. Fixing plate; 805. Limiting spring; 806. Placement groove; 807. Return spring; 808. Arc-shaped block; 9. Insertion hole; 10. Connecting plate; 11. Limiting rod; 12. Auxiliary block; 13. Sealing ring; 14. Mounting seat; 15. Mounting hole. Detailed Implementation
[0027] 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.
[0028] Please see Figure 1-6 The present invention provides the following technical solution:
[0029] An enhanced DF radio frequency coaxial connector includes a connecting end 1, a connector body 2 slidably connected inside the connecting end 1, a connecting wire 3 provided on the front side of the connector body 2, a limiting component 4 bolted to the rear side of the connecting wire 3, a sliding groove 5 provided on the top side inside the connecting end 1, a fixing block 6 bolted to the top of the connector body 2, the outer side of the fixing block 6 slidably connected to the inside of the sliding groove 5, slots 7 provided on both sides of the top of the fixing block 6, and a fixing component 8 provided on the top of the connecting end 1, the fixing component 8 including a positioning seat 801 fixedly connected inside the sliding groove 5;
[0030] The limiting component 4 includes a connector 401 fixedly connected to the front side of the connecting end 1. An external threaded tube 402 is bolted to the outside of the connector 401. A ferrule nut 403 is threaded to the outside of the external threaded tube 402. A ferrule connector 404 is bolted to the front side of the ferrule nut 403. A limiting block 405 is clamped to the front side of the connector 401. The limiting block 405 is located behind the ferrule connector 404 and is located outside the connecting wire 3.
[0031] In this embodiment: the connecting wire 3 is installed and fixed by the connector 401. Then, the ferrule nut 403 is rotated on the outside of the external threaded tube 402, causing the ferrule connector 404 on the front side of the ferrule nut 403 to move and push the limiting block 405 to move. The limiting block 405 moves to the inside of the front side of the connector 401 to limit and fix the connecting wire 3. When the connecting wire 3 needs to be replaced, the ferrule nut 403 is rotated in the opposite direction to release the fixing of the connecting wire 3 by the limiting block 405 and the connector 401, making it easy to detect and replace during use. This improves the stability of the connecting wire 3 and the connection stability between it and the wire body. Compared with the existing enhanced DF RF coaxial connector, this can avoid the connecting wire 3 aging and falling off from the connector end 1 due to long-term use, which would result in poor connection between the connecting wire 3 and the connector body 2 and affect its subsequent use.
[0032] Specifically, such as Figure 3 , Figure 5 , Figure 6 As shown, the positioning seat 801 has a placement groove 806 inside, and a fixing rod 803 is slidably connected inside the placement groove 806. The top of the fixing rod 803 passes through the top of the connecting end 1, and the bottom of the fixing rod 803 is located inside the slot 7. A fixing plate 804 is bolted to the outer side of the bottom of the fixing rod 803. A limit spring 805 is fixedly connected to the top inside the placement groove 806, and the bottom of the limit spring 805 is bolted to the top of the fixing plate 804.
[0033] Specifically, such as Figure 3 , Figure 5 , Figure 6 As shown, a placement groove 806 is provided at the bottom of the fixing rod 803, and a return spring 807 is bolted inside the placement groove 806.
[0034] Specifically, such as Figure 3 , Figure 5 , Figure 6 As shown, a return spring 807 is movably connected inside the placement groove 806, and arc-shaped blocks 808 are slidably connected to both sides inside the placement groove 806. The inner sides of the arc-shaped blocks 808 are respectively bolted to both sides of the return spring 807.
[0035] In this embodiment: by moving the fixing rod 803 upward, the fixing rod 803 drives the fixing plate 804 to move inside the slide groove 802. Then, while driving the arc block 808 upward, the arc block 808 is resisted by the auxiliary block 12 at the top of the slot 7, generating an inward elastic force on the return spring 807, causing the arc block 808 to slide into the placement groove 806. Then, the arc of the arc block 808 is consistent with the curvature of the fixing rod 803, causing the fixing rod 803 to completely leave the inside of the slot 7, thereby releasing the fixation of the connector body 2. When fixing the connector body 2 and the connecting end 1, the fixing rod 803 is used to fix the connector body 2. 03 drives the fixed plate 804 to move inside the slide groove 802, generating a spring force on the limit spring 805 to cause it to retract. Then, the spring force of the limit spring 805 drives the fixed rod 803 to move downward. Then, the reset spring 807 generates an outward spring force on the arc block 808, causing the arc block 808 to move outward. This completes the fixation of the connector body 2 and the connection end 1. Compared with the existing enhanced DF RF coaxial connector, it is more flexible and can fix the connector body 2 and the connection end 1 for use. It avoids the unstable connection between the connector body 2 and the connection end 1 due to long-term use, which affects its stable high-frequency signal transmission.
[0036] Specifically, such as Figure 3 , Figure 4 As shown, insertion holes 9 are respectively opened on both sides of the front side of the connecting end 1, and connecting plates 10 are bolted to both sides of the front side of the connector body 2. A limiting rod 11 is bolted to the rear side of the connecting plate 10, and the limiting rod 11 is slidably connected to the insertion hole 9.
[0037] Specifically, such as Figure 6 As shown, auxiliary blocks 12 are bolted to both sides of the top of the slot 7, and the auxiliary blocks 12 are located on the top of the arc-shaped block 808.
[0038] In this embodiment: by setting the insertion hole 9, the connecting plate 10 and the limiting rod 11, the limiting rod 11 can slide inside the insertion hole 9, and limit the movement when fixing the connector body 2 and the connecting end 1, so as to ensure that the connection line between the connector body 2 and the connecting end 1 is correct. By setting the auxiliary block 12, the arc block 808 can move upward while the arc block 808 is resisted by the auxiliary block 12 at the top of the slot 7, thereby releasing the fixation of the connector body 2 and the connecting end 1.
[0039] Specifically, such as Figure 1 , Figure 4 , Figure 5 As shown, a sealing ring 13 is sleeved on the outer side of the connector body 2. The sealing ring 13 is embedded inside the front side of the connector end 1 and is made of rubber.
[0040] Specifically, such as Figure 1 , Figure 4 As shown, mounting bases 14 are bolted to both sides of the connecting end 1, and mounting holes 15 are provided at the bottom of the mounting base 14.
[0041] In this embodiment: by setting the sealing ring 13, the connection between the connector body 2 and the connector end 1 can be sealed to prevent external moisture from entering the interior of the connector end 1 and causing damage to its internal electronic components. By setting the mounting base 14 and the mounting hole 15, it is convenient to place and fix the connector end 1 for use.
[0042] Working principle: When installing the enhanced DF RF coaxial connector, the connecting wire 3 is installed and fixed through the connector 401. Then, the ferrule nut 403 is rotated on the outside of the external threaded tube 402, causing the ferrule connector 404 in front of the ferrule nut 403 to move, simultaneously pushing the limiting block 405 to move. The limiting block 405 moves to the inside of the front side of the connector 401, limiting and fixing the connecting wire 3. When it is necessary to replace the connecting wire 3, the limiting block 405 is released by rotating the ferrule nut 403 in the opposite direction. 05 and connector 401 are used to fix the connecting wire 3, making it easy to inspect and replace during use, thereby improving the stability of the connecting wire 3 and the connection stability between it and the wire body. Then, by moving the fixing rod 803 upward, the connector body 2 is inserted into the connecting end 1. Then, the fixing rod 803 drives the fixing plate 804 to move inside the slide groove 802, generating a spring force on the limit spring 805 to cause it to retract. Then, the spring force of the limit spring 805 drives the fixing rod 803 to move downward. Then, the return spring 80 7. An outward elastic force is generated on the arc-shaped block 808, causing it to move outward, thereby fixing the connector body 2 and the connecting end 1. During the inspection and maintenance of the connector body 2 and the connecting end 1, the fixing rod 803 is moved upward, causing the fixing rod 803 to drive the fixing plate 804 to move inside the slide groove 802. This, in turn, causes the arc-shaped block 808 to move upward, while at the top of the slot 7, it is resisted by the auxiliary block 12, generating an inward elastic force on the return spring 807, causing the arc-shaped block 808 to move outward. The 8-way sliding block 808 slides into the groove 806, and then the arc of the arc block 808 matches the arc of the fixing rod 803, causing the fixing rod 803 to completely leave the groove 7. This releases the fixing of the connector body 2, thus solving the problem that wear on the connector surface during long-term use will lead to unstable connection between the connector and the connection port, resulting in poor contact and poor electrical performance, affecting its stable high-frequency signal transmission, and making it inconvenient to inspect and repair the connecting wires and connectors, thus posing a safety hazard and affecting the use of the connecting wires and connectors.
[0043] 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. An enhanced DF radio frequency coaxial connector, comprising a connector end (1), characterized in that: The connector body (2) is slidably connected inside the connector end (1). A connecting wire (3) is provided on the front side of the connector body (2). A limit component (4) is bolted to the rear side of the connecting wire (3). A sliding groove (5) is provided on the top side inside the connector end (1). A fixing block (6) is bolted to the top of the connector body (2). The outer side of the fixing block (6) is slidably connected to the inside of the sliding groove (5). Slots (7) are provided on both sides of the top of the fixing block (6). A fixing component (8) is provided on the top of the connector end (1). The fixing component (8) includes a positioning seat (801) fixedly connected inside the sliding groove (5). The limiting component (4) includes a connector (401) fixedly connected to the front side of the connecting end (1). An external threaded tube (402) is bolted to the outside of the connector (401). A ferrule nut (403) is threaded to the outside of the external threaded tube (402). A ferrule connector (404) is bolted to the front side of the ferrule nut (403). A limiting block (405) is clamped to the front side of the connector (401). The limiting block (405) is located behind the ferrule connector (404) and is located outside the connecting wire (3).
2. The enhanced DF RF coaxial connector according to claim 1, characterized in that: The positioning seat (801) has a sliding groove (802) inside, and a fixing rod (803) is slidably connected inside the sliding groove (802). The top of the fixing rod (803) passes through the top of the connecting end (1), and the bottom of the fixing rod (803) is located inside the slot (7). A fixing plate (804) is bolted to the outer side of the bottom of the fixing rod (803). A limit spring (805) is fixedly connected to the top inside the sliding groove (802), and the bottom of the limit spring (805) is bolted to the top of the fixing plate (804).
3. The enhanced DF RF coaxial connector according to claim 2, characterized in that: The bottom of the fixing rod (803) is provided with a placement groove (806), and a return spring (807) is bolted inside the placement groove (806).
4. The enhanced DF RF coaxial connector according to claim 3, characterized in that: Both sides of the placement groove (806) are slidably connected to arc-shaped blocks (808), and the inner sides of the arc-shaped blocks (808) are respectively bolted to the two sides of the return spring (807).
5. The enhanced DF RF coaxial connector according to claim 1, characterized in that: The connecting end (1) has insertion holes (9) on both sides of its front side. The connecting head body (2) has connecting plates (10) bolted to both sides of its front side. The connecting plate (10) has a limit rod (11) bolted to its rear side. The limit rod (11) is slidably connected to the insertion hole (9).
6. The enhanced DF RF coaxial connector according to claim 1, characterized in that: Auxiliary blocks (12) are bolted to both sides of the top of the slot (7), and the auxiliary blocks (12) are located on the top of the arc-shaped block (808).
7. The enhanced DF RF coaxial connector according to claim 1, characterized in that: A sealing ring (13) is fitted on the outer side of the connector body (2). The sealing ring (13) is embedded inside the front side of the connector end (1). The sealing ring (13) is made of rubber.
8. The enhanced DF RF coaxial connector according to claim 1, characterized in that: Mounting bases (14) are bolted to both sides of the rear side of the connecting end (1), and mounting holes (15) are provided at the bottom of the mounting bases (14).
Citation Information
Patent Citations
Connecting line joint
CN219892455U