Mounting base for NFC antenna
By designing a combined structure of sliding rod, spring, and fixed fan, the problems of electromagnetic interference sensitivity and inconvenient maintenance of traditional NFC antenna bases are solved, achieving stability and convenient maintenance of NFC antennas.
Patent Information
- Application Number
- CN202422955934.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-02
AI Technical Summary
Traditional NFC antenna mounting bases are sensitive to electromagnetic interference, which affects communication stability and reliability, and are also inconvenient to maintain.
A mounting base comprising an NFC antenna, a first fixed cylinder, and a second fixed cylinder was designed. Through a combination structure of a sliding rod, a spring, and a fixed fan, the height of the support rod can be adjusted and secondary fixed, thereby enhancing stability.
It improves the communication stability and ease of maintenance of the NFC antenna, enhances the stability and wind resistance of the base, and facilitates daily maintenance.
Smart Images

Figure CN223539876U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of antenna base technology, specifically to a mounting base for an NFC antenna. Background Technology
[0002] An NFC (Near Field Communication) antenna is a device used to enable NFC communication. It transmits and receives electromagnetic signals, allowing two devices (such as a mobile phone and an NFC tag) to transmit and communicate data at close range. An NFC antenna is usually a small coil that can be integrated into various electronic devices, such as smartphones, tablets, and access control systems.
[0003] Traditional NFC antenna mounting bases may be sensitive to electromagnetic interference, affecting the stability and reliability of NFC communication. This invention provides a stable installation environment within the base, which helps improve the stability and reliability of NFC communication and facilitates maintenance. The base design is easy to disassemble and clean, and the stability of the support rod height adjustment facilitates daily maintenance of NFC devices. Therefore, we propose a mounting base for NFC antennas. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this invention provides a mounting base for NFC antennas, thus solving the aforementioned problems.
[0006] (II) Technical Solution
[0007] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a mounting base for an NFC antenna, comprising an NFC antenna, a first fixed cylinder, and a second fixed cylinder. A mounting base is fixed to the bottom end of the second fixed cylinder. Multiple fixing fans are fixed to the outer side of the second fixed cylinder and the top end of the mounting base. The fixing fans are connected to the first fixed cylinder via tension springs. A sliding rod is fixed to the bottom end of the first fixed cylinder. A spring is sleeved on the sliding rod. The spring and the sliding rod are slidably installed inside the second fixed cylinder. The NFC antenna is threaded onto the top end of a support rod. The lower end of the support rod passes through the first fixed cylinder and the second fixed cylinder in sequence. The support rod is threaded onto the cylindrical surface of the first fixed cylinder in conjunction with a fixing mechanism.
[0008] Preferably, the bottom end of the second fixed cylinder is fixed with a ring-shaped mounting base, the mounting base has multiple ring-shaped mounting holes, and four fixed fans are fixed on the outer cylindrical surface of the second fixed cylinder at equal intervals in a ring, with the fixed fans at the top of the mounting base.
[0009] Preferably, the second fixed cylinder has a cylindrical sliding groove inside, and the top of the sliding groove has multiple annular sliding holes that penetrate the top of the second fixed cylinder. The bottom of the first fixed cylinder is fixed with multiple annular equidistant sliding rods, which slide into the corresponding sliding holes, and springs are sleeved on the sliding rods, wherein the springs are installed inside the sliding groove.
[0010] Preferably, a circular connecting plate is fixed at the bottom of the first fixed cylinder, and multiple annular equidistant connecting holes are provided on the connecting plate. The fixed fan is fan-shaped, and a connecting hole is fixed on the arc surface of the fixed fan. A connecting hole is provided on the connecting hole. The two ends of the tension spring are respectively engaged and connected to the connecting hole and the connecting hole.
[0011] Preferably, a through threaded hole is provided on the cylindrical surface of the first fixed cylinder, and the threaded end of the fixing mechanism is threadedly connected to the threaded hole on the cylindrical surface of the first fixed cylinder. The lower end of the support rod is inserted into the interior of the first fixed cylinder and the second fixed cylinder, and the fixing mechanism fixes the support rod inside the first fixed cylinder.
[0012] Preferably, the NFC antenna is arranged in an I-shape, and a threaded hole is provided on the middle horizontal plate of the NFC antenna, and a threaded hole is provided on the top surface of the support rod. The threaded hole on the NFC antenna is connected to the threaded hole at the top of the support rod by a bolt thread connection.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, this utility model provides a mounting base for NFC antennas, which has the following advantages:
[0015] 1. Before use, the second fixing cylinder is installed in the pre-set position through the mounting holes on the mounting base and bolts. Then, a spring is sleeved on the sliding rod at the lower end of the first fixing cylinder. The spring and the sliding rod are installed in the sliding groove opened inside the second fixing cylinder, and the sliding rod is slidably connected with the sliding hole at the top of the sliding groove. The higher the height of the first fixing cylinder, the better the stability of the support rod.
[0016] 2. The mounting base for the NFC antenna has a support rod whose bottom end is inserted into the interior of the first fixing cylinder and the second fixing cylinder respectively. The first fixing cylinder is slid upward to adjust the height of the support rod.
[0017] 3. The mounting base for the NFC antenna has a connection hole 2 on the lower end of the connecting plate of the first fixing cylinder and a connection hole 1 on the arc surface of the fixing fan connected by a tension spring, which serves as a secondary fixation to prevent the stability of the support rod from being affected by strong winds, thereby improving the stability of the base. Attached Figure Description
[0018] Figure 1This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the base structure of this utility model;
[0020] Figure 3 This is a cross-sectional view of the second fixing cylinder and mounting chassis structure of this utility model;
[0021] Figure 4 This is a schematic diagram of the first fixed cylinder structure of this utility model.
[0022] In the diagram: 1. NFC antenna; 2. Support rod; 3. First fixing cylinder; 4. Spring; 5. Fixing mechanism; 6. Tension spring; 7. Second fixing cylinder; 8. Mounting chassis; 9. Sliding rod; 10. Sliding hole; 11. Fixing fan; 12. Sliding groove; 13. Connection hole one; 14. Mounting hole; 15. Connection hole two. Detailed Implementation
[0023] 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.
[0024] Please see Figure 1-4 An NFC antenna mounting base includes an NFC antenna 1, a first fixing cylinder 3, and a second fixing cylinder 7. A mounting base 8 is fixed to the bottom of the second fixing cylinder 7. Multiple fixing fans 11 are fixed to the outside of the second fixing cylinder 7 and the top of the mounting base 8. The fixing fans 11 are connected to the first fixing cylinder 3 by a tension spring 6. A sliding rod 9 is fixed to the bottom of the first fixing cylinder 3. A spring 4 is sleeved on the sliding rod 9. The spring 4 and the sliding rod 9 are slidably installed inside the second fixing cylinder 7. The NFC antenna 1 is threaded onto the top of a support rod 2. The lower end of the support rod 2 passes through the first fixing cylinder 3 and the second fixing cylinder 7 in sequence. The support rod 2 is threaded onto the cylindrical surface of the first fixing cylinder 3 by a fixing mechanism 5.
[0025] Furthermore, a ring-shaped mounting base 8 is fixed to the bottom end of the second fixed cylinder 7. The mounting base 8 has multiple ring-shaped mounting holes 14. Four fixed fans 11 are fixed on the outer cylindrical surface of the second fixed cylinder 7, which are evenly distributed in a ring. The fixed fans 11 are located at the top of the mounting base 8 and are fixed to the mounting base 8 with multiple bolts. The multiple fixed fans 11 also play a role in improving stability.
[0026] Furthermore, the interior of the second fixed cylinder 7 is provided with a cylindrical sliding groove 12, and the top of the sliding groove 12 is provided with multiple annular sliding holes 10 that penetrate the top of the second fixed cylinder 7. The bottom of the first fixed cylinder 3 is fixed with multiple annular equidistant sliding rods 9, which are slidably inserted into the corresponding sliding holes 10. A spring 4 is sleeved on the sliding rod 9, and the spring 4 is installed inside the sliding groove 12. The first fixed cylinder 3 is slid up and down to cooperate with the fixing mechanism 5 to increase the stability of the corresponding support rod 2 and improve the signal strength of the NFC antenna 1.
[0027] Furthermore, a circular connecting plate is fixed to the bottom end of the first fixed cylinder 3. The connecting plate has multiple annular equidistant connecting holes 15. The fixed fan 11 is fan-shaped, and a connecting hole 13 is fixed on the arc surface of the fixed fan 11. A connecting hole is opened on the connecting hole 13. The two ends of the tension spring 6 are respectively connected to the connecting hole 13 and the connecting hole 15. The base is stabilized secondary by multiple tension springs 6, and the multiple tension springs 6 play a shock absorption role to prevent the base from being blown over by the wind.
[0028] Furthermore, a through threaded hole is provided on the cylindrical surface of the first fixed cylinder 3, and the threaded end of the fixing mechanism 5 is threadedly connected to the threaded hole on the cylindrical surface of the first fixed cylinder 3. The lower end of the support rod 2 is inserted into the interior of the first fixed cylinder 3 and the second fixed cylinder 7. The fixing mechanism 5 fixes the support rod 2 inside the first fixed cylinder 3 and adjusts the support rod 2 in conjunction with the fixing mechanism 5.
[0029] Furthermore, the NFC antenna 1 is arranged in an I-shape, and a threaded hole is provided on the middle horizontal plate of the NFC antenna 1. A threaded hole is provided on the top surface of the support rod 2. The threaded hole on the NFC antenna 1 is connected to the threaded hole at the top of the support rod 2 by a bolt thread connection.
[0030] Working principle: Before use, the second fixed cylinder 7 is installed in the pre-set position through the mounting hole 14 on the mounting base 8 with bolts. Then, a spring 4 is sleeved on the sliding rod 9 at the lower end of the first fixed cylinder 3. The spring 4 and the sliding rod 9 are installed in the sliding groove 12 opened inside the second fixed cylinder 7, and the sliding rod 9 is slidably connected with the sliding hole 10 at the top of the sliding groove 12. The bottom end of the support rod 2 is inserted into the interior of the first fixed cylinder 3 and the second fixed cylinder 7 respectively. The first fixed cylinder 3 is slid upward to adjust the height of the support rod 2. The second connection hole 15 on the connecting plate at the lower end of the first fixed cylinder 3 is connected to the first connection hole 13 on the arc surface of the fixed fan 11 through the tension spring 6, which plays a secondary fixing role to prevent the stability of the support rod 2 from being affected by strong winds, thereby improving the stability of the base.
[0031] 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 mounting base for an NFC antenna, comprising an NFC antenna (1), a first fixing cylinder (3), and a second fixing cylinder (7), characterized in that: The bottom end of the second fixed cylinder (7) is fixed with a mounting base (8). Multiple fixed fans (11) are fixed on the outside of the second fixed cylinder (7) and the top of the mounting base (8). The fixed fans (11) are connected to the first fixed cylinder (3) by a tension spring (6). The bottom end of the first fixed cylinder (3) is fixed with a sliding rod (9). A spring (4) is sleeved on the sliding rod (9). The spring (4) and the sliding rod (9) are slidably installed inside the second fixed cylinder (7). The top end of the support rod (2) is threaded with an NFC antenna (1). The lower end of the support rod (2) is inserted into the first fixed cylinder (3) and the second fixed cylinder (7) in sequence. The support rod (2) is threaded on the cylindrical surface of the first fixed cylinder (3) in conjunction with the fixing mechanism (5).
2. The mounting base for an NFC antenna according to claim 1, characterized in that: The bottom end of the second fixed cylinder (7) is fixed with a ring-shaped mounting base (8). The mounting base (8) has multiple ring-shaped mounting holes (14). Four fixed fans (11) are fixed on the outer cylindrical surface of the second fixed cylinder (7) and are evenly distributed in a ring. The fixed fans (11) are at the top of the mounting base (8).
3. A mounting base for an NFC antenna according to claim 2, characterized in that: The second fixed cylinder (7) has a cylindrical sliding groove (12) inside. The top of the sliding groove (12) has multiple sliding holes (10) that pass through the top of the second fixed cylinder (7) in an annular shape. The bottom of the first fixed cylinder (3) is fixed with multiple annular equidistant sliding rods (9). The sliding rods (9) are slidably inserted into the corresponding sliding holes (10), and springs (4) are sleeved on the sliding rods (9). The springs (4) are installed inside the sliding groove (12).
4. A mounting base for an NFC antenna according to claim 3, characterized in that: The bottom end of the first fixed cylinder (3) is fixed with a ring-shaped connecting plate. Multiple annular equidistant connecting holes (15) are provided on the connecting plate. The fixed fan (11) is fan-shaped. A connecting hole (13) is fixed on the arc surface of the fixed fan (11). A connecting hole is provided on the connecting hole (13). The two ends of the tension spring (6) are respectively connected to the connecting hole (13) and the connecting hole (15).
5. A mounting base for an NFC antenna according to claim 4, characterized in that: The first fixed cylinder (3) has a through threaded hole on its cylindrical surface. The threaded end of the fixing mechanism (5) is threadedly connected to the threaded hole on the cylindrical surface of the first fixed cylinder (3). The lower end of the support rod (2) is inserted into the interior of the first fixed cylinder (3) and the second fixed cylinder (7). The fixing mechanism (5) fixes the support rod (2) inside the first fixed cylinder (3).
6. A mounting base for an NFC antenna according to claim 5, characterized in that: The NFC antenna (1) is arranged in an I-shape, and a threaded hole is provided on the middle horizontal plate of the NFC antenna (1). A threaded hole is provided on the top surface of the support rod (2). The threaded hole on the NFC antenna (1) is connected to the threaded hole at the top of the support rod (2) by a bolt thread connection.